| File: | builds/wireshark/wireshark/epan/dissectors/packet-dof.c |
| Warning: | line 7127, column 25 Access to field 'opid_last' results in a dereference of a null pointer (loaded from variable 'ptr') |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
| 1 | /* packet-dof.c | ||||||
| 2 | * Routines for Distributed Object Framework (DOF) Wireshark Support | ||||||
| 3 | * Copyright 2015 Bryant Eastham <bryant.eastham[AT]us.panasonic.com> | ||||||
| 4 | * See https://opendof.org for more information. | ||||||
| 5 | * | ||||||
| 6 | * Wireshark - Network traffic analyzer | ||||||
| 7 | * By Gerald Combs <gerald@wireshark.org> | ||||||
| 8 | * Copyright 1998 Gerald Combs | ||||||
| 9 | * | ||||||
| 10 | * SPDX-License-Identifier: GPL-2.0-or-later | ||||||
| 11 | */ | ||||||
| 12 | |||||||
| 13 | /* INTRODUCTION | ||||||
| 14 | * This very large dissector implements packet decoding for the entire | ||||||
| 15 | * protocol suite of the OpenDOF Project. The OpenDOF Project | ||||||
| 16 | * (https://opendof.org) is an open-source IoT platform with | ||||||
| 17 | * implementations in Java, C#, and C. The protocols are documented | ||||||
| 18 | * on the web site, and the IP ports referenced are registered with IANA. | ||||||
| 19 | * | ||||||
| 20 | * "DOF" stands for Distributed Object Framework. The protocols define | ||||||
| 21 | * a complete protocol stack that can sit on top of a variety of transports. | ||||||
| 22 | * The stack itself is called the DPS, or "DOF Protocol Stack". It | ||||||
| 23 | * is a layered stack including a Network, Presentation, and Application | ||||||
| 24 | * layer. The underlying transport can be anything, these dissectors | ||||||
| 25 | * hook in to UDP and TCP. To the Wireshark user, however, this is | ||||||
| 26 | * referred to as "dof" and not "dps". | ||||||
| 27 | * | ||||||
| 28 | * The following protocols are defined in the stack and implemented | ||||||
| 29 | * here: | ||||||
| 30 | * DNP - DOF Network Protocol (versions: 0, 1) | ||||||
| 31 | * DPP - DOF Presentation Protocol (version: 0, 2) [1 is reserved and not supported] | ||||||
| 32 | * DAP - DOF Application Protocols: | ||||||
| 33 | * DSP - DOF Session Protocol (versions: 0) | ||||||
| 34 | * OAP - Object Access Protocol (versions: 1) | ||||||
| 35 | * TEP - Ticket Exchange Protocol (versions: 128) | ||||||
| 36 | * TRP - Ticket Request Protocol (versions: 129) | ||||||
| 37 | * SGMP - Secure Group Management Protocol (versions: 130) | ||||||
| 38 | * DOFSEC - DOF Security Protocols: | ||||||
| 39 | * CCM - Chained mode | ||||||
| 40 | * TUN - A tunneling protocol for embedding DOF in other protocols. | ||||||
| 41 | */ | ||||||
| 42 | |||||||
| 43 | /* VERSIONS AND NAMING | ||||||
| 44 | * There are several different ways in which "versions" are used | ||||||
| 45 | * throughout the dissector. First, each of the DNP and DPP layers | ||||||
| 46 | * has a defined 'version'. The DOF Application Protocols are also | ||||||
| 47 | * distinguished by versioning, but it is actually the registered | ||||||
| 48 | * application ID that is the version. This is complicated by | ||||||
| 49 | * the fact that many of the application IDs represent the same | ||||||
| 50 | * version of a protocol from a capability perspective (and | ||||||
| 51 | * a user perspective) with the difference being some attribute | ||||||
| 52 | * of the protocol - for example the security primitives used. | ||||||
| 53 | * | ||||||
| 54 | * Another means of versioning is by specification document. | ||||||
| 55 | * In this case the document is identified by a year and sequence, | ||||||
| 56 | * with specifications and PDUs using a name and sequence. | ||||||
| 57 | * Naming of fields and variables will use these identifiers | ||||||
| 58 | * as they are the easiest way to tie the code to the specifications. | ||||||
| 59 | * | ||||||
| 60 | * The specification documents are also the easiest way (although | ||||||
| 61 | * maybe not the clearest) to expose fields to the Wireshark user. | ||||||
| 62 | * A consistent naming is used, which is: | ||||||
| 63 | * | ||||||
| 64 | * (spec)-pdu-(seq)-(field) | ||||||
| 65 | * For example: dof-2009-1-pdu-1-value | ||||||
| 66 | * | ||||||
| 67 | * Variable naming includes a protocol name to provide clarity. | ||||||
| 68 | * | ||||||
| 69 | * This is not the clearest from a user perspective, but it | ||||||
| 70 | * has the benefit of tying directly to the specifications | ||||||
| 71 | * themselves and uniquely identifies each field. | ||||||
| 72 | * | ||||||
| 73 | * Routines that dissect are uniformly named by the PDU | ||||||
| 74 | * that they dissect using the PDU specification document | ||||||
| 75 | * and PDU name from that document as follows: | ||||||
| 76 | * | ||||||
| 77 | * dissect_(spec)_(name) | ||||||
| 78 | */ | ||||||
| 79 | |||||||
| 80 | /* DISSECTOR DESIGN | ||||||
| 81 | * The original work on these dissectors began over ten years ago, but | ||||||
| 82 | * shared only within Panasonic. During the opening of the protocols in | ||||||
| 83 | * March of 2015 the decision was made to contribute the code to the Wireshark | ||||||
| 84 | * community. During this process the plugin approach was rejected and the | ||||||
| 85 | * entire set made into standard dissectors, and further to that all of the | ||||||
| 86 | * dissectors were merged into a single file. | ||||||
| 87 | * | ||||||
| 88 | * There are several types of supported dissectors that are part of the DPS family. | ||||||
| 89 | * At the lowest level are the transport dissectors. The responsibility | ||||||
| 90 | * of these dissectors is to determine the transport session information, pass | ||||||
| 91 | * DPS packets to the DPS dissector, and properly maintain the dof_api_data | ||||||
| 92 | * structure. | ||||||
| 93 | * | ||||||
| 94 | * The DPS dissector API comprises: | ||||||
| 95 | * 1. The structure (dof_api_data) that is passed in the data field to the DPS | ||||||
| 96 | * dissector. Transport plugins must understand this. | ||||||
| 97 | * 2. The dof_transport_session structure, which contains all transport | ||||||
| 98 | * information that is passed to the DPS dissector. | ||||||
| 99 | * 3. The name of the DPS dissector. | ||||||
| 100 | * | ||||||
| 101 | * The DPS dissector API extends to dissectors that are called by the DPS dissectors. | ||||||
| 102 | * | ||||||
| 103 | * Finally, there is the DPS Security Mode dissectors. These dissectors are passed | ||||||
| 104 | * additional security context information and it is their job to decrypt packets | ||||||
| 105 | * and pass them to higher-level dissectors. | ||||||
| 106 | * | ||||||
| 107 | * The DOF Protocol Stack is strictly layered with minimal (and defined) state | ||||||
| 108 | * exchanged between layers. This allows a fairly structured design, using | ||||||
| 109 | * dissector tables at each layer. The main DPS dissector receives packets | ||||||
| 110 | * from the transport hooks, and then dissects the packet layer by layer using | ||||||
| 111 | * the different dissector tables. Dissectors and the DNP, DPP, and DAP layers. | ||||||
| 112 | * | ||||||
| 113 | * In addition to the main protocol stack with its associated protocols there are | ||||||
| 114 | * additional common data elements that include extensibility. If an extension | ||||||
| 115 | * is found then it will be used to dissect, otherwise the base dissector will be | ||||||
| 116 | * used. | ||||||
| 117 | */ | ||||||
| 118 | |||||||
| 119 | /* SESSIONS | ||||||
| 120 | * DOF defines sessions at many different levels, and state is always associated | ||||||
| 121 | * with a session. Much of the power (and complexity) of these dissectors relates | ||||||
| 122 | * to accurately tracking and maintaining context for each session, and displaying | ||||||
| 123 | * context-related decode information based on the session. This includes, for | ||||||
| 124 | * example, decoding encrypted data (including multicast group traffic) and | ||||||
| 125 | * showing full packet information even when the packet data uses aliases or | ||||||
| 126 | * other context specific data. | ||||||
| 127 | * | ||||||
| 128 | * Sessions are an extremely complex part of the dissectors because they occur at | ||||||
| 129 | * so many different levels, and that they are temporal in nature while wireshark | ||||||
| 130 | * is not. This means that all data structures that deal with sessions must deal | ||||||
| 131 | * with both the level and the time of the packet. | ||||||
| 132 | * | ||||||
| 133 | * The levels are: | ||||||
| 134 | * 1. Transport. These sessions are defined by the transport, and transport | ||||||
| 135 | * addresses. As in the transports, there is no transport information allowed | ||||||
| 136 | * at the dps level, but transport information is allowed to influence other | ||||||
| 137 | * decisions. Every dps packet must be part of a transport session. Transport | ||||||
| 138 | * sessions are usually managed as conversations in Wireshark. Each transport | ||||||
| 139 | * session is has an identifier that is defined by the DPS plugin the first | ||||||
| 140 | * time a packet in the transport session is passed to the plugin. | ||||||
| 141 | * 2. DPS. These sessions are defined by DPS, and are part of the DNP definition. | ||||||
| 142 | * These sessions are also assigned a unique DPS session identifier. | ||||||
| 143 | * | ||||||
| 144 | * 3. Security (Optional). Security sessions always exist inside of | ||||||
| 145 | * an DPS session. Security sessions are further divided into epochs, keys, etc. | ||||||
| 146 | * | ||||||
| 147 | * Temporal information is always associated with packet numbers, which always increase. | ||||||
| 148 | * This temporal information is used during the first pass to create sessions by | ||||||
| 149 | * determining that a new packet doesn't belong to a previous session. | ||||||
| 150 | * | ||||||
| 151 | * During the first pass the data structures are referenced from the transport | ||||||
| 152 | * session information up. The goal of the first pass is to create the most specific | ||||||
| 153 | * session information and associate each packet with the appropriate session. These | ||||||
| 154 | * sessions refer to more general session information. | ||||||
| 155 | * | ||||||
| 156 | * In order to make lookups easier, the most fine-grained sessions are assigned | ||||||
| 157 | * unique identifiers. Secure sessions are always born unsecure (during security | ||||||
| 158 | * negotiation). These use the same session identifiers, but the state for the | ||||||
| 159 | * secure and unsecured times are separated. Once a session is secured it never | ||||||
| 160 | * transitions back to unsecured. | ||||||
| 161 | * | ||||||
| 162 | * MEMBERSHIP | ||||||
| 163 | * Each packet is sent by a member of the session. Session members have state related | ||||||
| 164 | * to the session. Packets are received by either a member of the session or the | ||||||
| 165 | * session itself (implying all members). This means that packet state can come | ||||||
| 166 | * from: | ||||||
| 167 | * 1. The sender. | ||||||
| 168 | * 2. The receiver (if directed to a receiver). | ||||||
| 169 | * 3. The session. | ||||||
| 170 | * The identity of a member is always a combination of transport and dps information. | ||||||
| 171 | * However, the state of the membership is in the context of the session, keyed by | ||||||
| 172 | * the sender. | ||||||
| 173 | * | ||||||
| 174 | * In order to make lookups easier, each unique sender in the system is | ||||||
| 175 | * assigned a unique identifier. | ||||||
| 176 | */ | ||||||
| 177 | |||||||
| 178 | #include <config.h> | ||||||
| 179 | |||||||
| 180 | #include <ctype.h> | ||||||
| 181 | |||||||
| 182 | #include <wsutil/wsgcrypt.h> | ||||||
| 183 | |||||||
| 184 | #include <epan/packet.h> | ||||||
| 185 | #include <epan/proto.h> | ||||||
| 186 | #include <epan/proto_data.h> | ||||||
| 187 | #include <epan/prefs.h> | ||||||
| 188 | #include <epan/conversation.h> | ||||||
| 189 | #include <epan/expert.h> | ||||||
| 190 | #include <epan/uat.h> | ||||||
| 191 | #include <wsutil/str_util.h> | ||||||
| 192 | #include <epan/tfs.h> | ||||||
| 193 | #include "packet-tcp.h" | ||||||
| 194 | |||||||
| 195 | /* DEFINES, STRUCTURES, AND SUPPORT METHOD DECLARATIONS | ||||||
| 196 | * The following sections includes preprocessor definitions, structure definitions, | ||||||
| 197 | * and method declarations for all dissectors. | ||||||
| 198 | * The ordering is by DPS stack order, general first and then by protocols. | ||||||
| 199 | */ | ||||||
| 200 | |||||||
| 201 | /** | ||||||
| 202 | * GENERAL SUPPORT STRUCTURES | ||||||
| 203 | * The following structures represent state that must be maintained for | ||||||
| 204 | * the dissectors to operate. They are not directly related to protocol | ||||||
| 205 | * information. | ||||||
| 206 | */ | ||||||
| 207 | |||||||
| 208 | /** | ||||||
| 209 | * This structure represents a SID, or Sender ID, in the system. | ||||||
| 210 | * This is allocated as global memory, and must be freed. SIDs | ||||||
| 211 | * are Object IDs, and can be displayed in hex but preferably | ||||||
| 212 | * using the OID output format. Even though the OID contains | ||||||
| 213 | * a length, we prefix this buffer with a length (which must | ||||||
| 214 | * be less than 255 by the definition of a SID. | ||||||
| 215 | * SIDs are not versioned, so they can be used universally in | ||||||
| 216 | * any protocol version. | ||||||
| 217 | */ | ||||||
| 218 | typedef uint8_t *dof_2009_1_pdu_19_sid; | ||||||
| 219 | |||||||
| 220 | /** | ||||||
| 221 | * This structure encapsulates an OPID, which is the combination of | ||||||
| 222 | * a source identifier (SID, and OID) and a packet number. This is a separate | ||||||
| 223 | * structure because some operations actually contain multiple opids, but need | ||||||
| 224 | * to be placed in the appropriate data structures based on SID lookup. This | ||||||
| 225 | * structure can be used as a key in different hash tables. | ||||||
| 226 | */ | ||||||
| 227 | typedef struct _dpp_opid | ||||||
| 228 | { | ||||||
| 229 | unsigned op_sid_id; | ||||||
| 230 | dof_2009_1_pdu_19_sid op_sid; | ||||||
| 231 | unsigned op_cnt; | ||||||
| 232 | } dof_2009_1_pdu_20_opid; | ||||||
| 233 | |||||||
| 234 | /** | ||||||
| 235 | * This structure contains all of the transport session information | ||||||
| 236 | * related to a particular session, but not related to the packet | ||||||
| 237 | * within that session. That information is separated to allow | ||||||
| 238 | * reuse of the structure. | ||||||
| 239 | */ | ||||||
| 240 | typedef struct _dof_transport_session | ||||||
| 241 | { | ||||||
| 242 | /** | ||||||
| 243 | * TRANSPORT ID: This is a unique identifier for each transport, | ||||||
| 244 | * used to prevent aliasing of the SENDER ID value in the | ||||||
| 245 | * transport packet structure. It contains the protocol id | ||||||
| 246 | * assigned by Wireshark (unique per protocol). | ||||||
| 247 | */ | ||||||
| 248 | int transport_id; | ||||||
| 249 | |||||||
| 250 | /** | ||||||
| 251 | * For new sessions, this is left zero. The DPS dissector will | ||||||
| 252 | * set this value. | ||||||
| 253 | */ | ||||||
| 254 | uint32_t transport_session_id; | ||||||
| 255 | |||||||
| 256 | /** | ||||||
| 257 | * Timestamp of start of session. | ||||||
| 258 | */ | ||||||
| 259 | nstime_t session_start_ts; | ||||||
| 260 | |||||||
| 261 | /** | ||||||
| 262 | * Whether negotiation is required on this session. | ||||||
| 263 | */ | ||||||
| 264 | bool_Bool negotiation_required; | ||||||
| 265 | |||||||
| 266 | /** | ||||||
| 267 | * The frame number where negotiation was complete, or zero if not complete. | ||||||
| 268 | */ | ||||||
| 269 | uint32_t negotiation_complete_at; | ||||||
| 270 | |||||||
| 271 | /** | ||||||
| 272 | * The time when negotiation was complete, or zero if not complete. | ||||||
| 273 | */ | ||||||
| 274 | nstime_t negotiation_complete_at_ts; | ||||||
| 275 | |||||||
| 276 | /** | ||||||
| 277 | * Type of transport session. | ||||||
| 278 | */ | ||||||
| 279 | bool_Bool is_streaming; /* Inverse is 'is_datagram'. */ | ||||||
| 280 | |||||||
| 281 | /** | ||||||
| 282 | * Cardinality of transport session. | ||||||
| 283 | */ | ||||||
| 284 | bool_Bool is_2_node; /* Inverse is 'is_n_node'. */ | ||||||
| 285 | } dof_transport_session; | ||||||
| 286 | |||||||
| 287 | typedef struct _dof_transport_packet | ||||||
| 288 | { | ||||||
| 289 | /** | ||||||
| 290 | * Source of packet (if known, default is server). | ||||||
| 291 | */ | ||||||
| 292 | bool_Bool is_sent_by_client; /* Inverse is 'is_sent_by_server'. */ | ||||||
| 293 | |||||||
| 294 | /** | ||||||
| 295 | * SENDER ID/RECEIVER ID: A unique value that identifies the unique | ||||||
| 296 | * transport sender/receiver address. This number is based on only | ||||||
| 297 | * the transport, and not session, information. | ||||||
| 298 | */ | ||||||
| 299 | unsigned sender_id; | ||||||
| 300 | unsigned receiver_id; | ||||||
| 301 | } dof_transport_packet; | ||||||
| 302 | |||||||
| 303 | /** | ||||||
| 304 | * This structure maintains security state throughout an DPS session. | ||||||
| 305 | * It is managed by the key exchange protocol, and becomes effective | ||||||
| 306 | * at different dps packets in each communication direction. Decrypting | ||||||
| 307 | * a packet requires that this structure exists. | ||||||
| 308 | */ | ||||||
| 309 | typedef struct _dof_session_key_exchange_data | ||||||
| 310 | { | ||||||
| 311 | /** | ||||||
| 312 | * The frame at which this becomes valid for initiator packets. | ||||||
| 313 | */ | ||||||
| 314 | uint32_t i_valid; | ||||||
| 315 | |||||||
| 316 | /** | ||||||
| 317 | * The frame at which this becomes valid for responder packets. | ||||||
| 318 | */ | ||||||
| 319 | uint32_t r_valid; | ||||||
| 320 | |||||||
| 321 | /** | ||||||
| 322 | * SECURITY MODE: The security mode for a secure session. Set | ||||||
| 323 | * by the key exchange dissector. | ||||||
| 324 | */ | ||||||
| 325 | uint32_t security_mode; | ||||||
| 326 | |||||||
| 327 | /** | ||||||
| 328 | * SECURITY MODE INITIALIZATION DATA: Determined by the key exchange | ||||||
| 329 | * protocol and passed here for the reference of the security mode. | ||||||
| 330 | */ | ||||||
| 331 | uint32_t security_mode_data_length; | ||||||
| 332 | uint8_t *security_mode_data; | ||||||
| 333 | |||||||
| 334 | /** | ||||||
| 335 | * SECURITY MODE DATA: Created and managed by the security mode | ||||||
| 336 | * dissector. | ||||||
| 337 | */ | ||||||
| 338 | void *security_mode_key_data; | ||||||
| 339 | |||||||
| 340 | /** | ||||||
| 341 | * SESSION KEY: Pointer to seasonal data that holds the encryption key. | ||||||
| 342 | */ | ||||||
| 343 | uint8_t *session_key; | ||||||
| 344 | |||||||
| 345 | /** | ||||||
| 346 | * The next security data in this session. | ||||||
| 347 | */ | ||||||
| 348 | struct _dof_session_key_exchange_data *next; | ||||||
| 349 | } dof_session_key_exchange_data; | ||||||
| 350 | |||||||
| 351 | /** | ||||||
| 352 | * This structure contains security keys that should be tried with | ||||||
| 353 | * sessions that otherwise are not known. | ||||||
| 354 | */ | ||||||
| 355 | typedef struct _dof_session_key_data | ||||||
| 356 | { | ||||||
| 357 | uint8_t *session_key; | ||||||
| 358 | } dof_session_key_data; | ||||||
| 359 | |||||||
| 360 | /** | ||||||
| 361 | * This structure contains security keys for groups. | ||||||
| 362 | */ | ||||||
| 363 | typedef struct _dof_group_data | ||||||
| 364 | { | ||||||
| 365 | uint8_t *domain; | ||||||
| 366 | unsigned domain_length; | ||||||
| 367 | uint8_t *identity; | ||||||
| 368 | unsigned identity_length; | ||||||
| 369 | uint8_t *kek; | ||||||
| 370 | } dof_group_data; | ||||||
| 371 | |||||||
| 372 | /** | ||||||
| 373 | * This structure contains security keys for non-group identities. | ||||||
| 374 | */ | ||||||
| 375 | typedef struct _dof_identity_data | ||||||
| 376 | { | ||||||
| 377 | uint8_t *domain; | ||||||
| 378 | unsigned domain_length; | ||||||
| 379 | uint8_t *identity; | ||||||
| 380 | unsigned identity_length; | ||||||
| 381 | uint8_t *secret; | ||||||
| 382 | } dof_identity_data; | ||||||
| 383 | |||||||
| 384 | /** | ||||||
| 385 | * This structure exists for global security state. It exposes the | ||||||
| 386 | * configuration data associated with DPS, and also is a common location | ||||||
| 387 | * that learned security information is stored. Each dof_packet_data will | ||||||
| 388 | * contain a pointer to this structure - there is only one for the entire | ||||||
| 389 | * DPS. | ||||||
| 390 | */ | ||||||
| 391 | typedef struct _dof_security_data | ||||||
| 392 | { | ||||||
| 393 | /* Array of session_keys. */ | ||||||
| 394 | dof_session_key_data *session_key; | ||||||
| 395 | uint16_t session_key_count; | ||||||
| 396 | |||||||
| 397 | /* Array of group data. */ | ||||||
| 398 | dof_group_data *group_data; | ||||||
| 399 | uint16_t group_data_count; | ||||||
| 400 | |||||||
| 401 | /* Array of identity data. */ | ||||||
| 402 | dof_identity_data *identity_data; | ||||||
| 403 | uint16_t identity_data_count; | ||||||
| 404 | |||||||
| 405 | /* Global sessions. */ | ||||||
| 406 | /*TODO: Figure this out */ | ||||||
| 407 | /* dof_session_list* sessions; */ | ||||||
| 408 | } dof_security_data; | ||||||
| 409 | |||||||
| 410 | /** | ||||||
| 411 | * This structure represents a key that is learned for a group and epoch. | ||||||
| 412 | */ | ||||||
| 413 | struct _dof_learned_group_data; | ||||||
| 414 | typedef struct _dof_learned_group_auth_data | ||||||
| 415 | { | ||||||
| 416 | uint32_t epoch; | ||||||
| 417 | uint8_t *kek; | ||||||
| 418 | unsigned mode_length; | ||||||
| 419 | uint8_t *mode; | ||||||
| 420 | uint16_t security_mode; | ||||||
| 421 | struct _dof_learned_group_data *parent; | ||||||
| 422 | struct _dof_learned_group_auth_data *next; | ||||||
| 423 | } dof_learned_group_auth_data; | ||||||
| 424 | |||||||
| 425 | /** | ||||||
| 426 | * This structure represents a group that is learned about. | ||||||
| 427 | */ | ||||||
| 428 | typedef struct _dof_learned_group_data | ||||||
| 429 | { | ||||||
| 430 | unsigned domain_length; | ||||||
| 431 | uint8_t *domain; | ||||||
| 432 | unsigned group_length; | ||||||
| 433 | uint8_t *group; | ||||||
| 434 | uint32_t ssid; | ||||||
| 435 | |||||||
| 436 | dof_learned_group_auth_data *keys; | ||||||
| 437 | struct _dof_learned_group_data *next; | ||||||
| 438 | } dof_learned_group_data; | ||||||
| 439 | |||||||
| 440 | /** | ||||||
| 441 | * This structure exists for each secure DPS session. This is kept in | ||||||
| 442 | * addition to the normal session | ||||||
| 443 | * Each packet that has state will contain a reference to one of these. | ||||||
| 444 | * | ||||||
| 445 | * Information in this structure is invariant for the duration of the | ||||||
| 446 | * session *or* is only used during the initial pass through the packets. | ||||||
| 447 | * Information that changes (for example, security parameters, keys, etc.) | ||||||
| 448 | * needs to be maintained separately, although this structure is the | ||||||
| 449 | * starting place for this information. | ||||||
| 450 | * | ||||||
| 451 | * This structure is initialized to zero. | ||||||
| 452 | */ | ||||||
| 453 | struct _dof_session_data; | ||||||
| 454 | typedef struct _dof_secure_session_data | ||||||
| 455 | { | ||||||
| 456 | /** | ||||||
| 457 | * SSID: Zero is typically used for streaming sessions. | ||||||
| 458 | */ | ||||||
| 459 | uint32_t ssid; | ||||||
| 460 | |||||||
| 461 | /** | ||||||
| 462 | * DOMAIN LENGTH: The length of the security domain, greater than | ||||||
| 463 | * zero for secure sessions. Set by the key exchange dissector. | ||||||
| 464 | */ | ||||||
| 465 | unsigned domain_length; | ||||||
| 466 | |||||||
| 467 | /** | ||||||
| 468 | * DOMAIN: The security domain itself, seasonal storage, non-null | ||||||
| 469 | * for secure sessions. Set by the key exchange dissector. | ||||||
| 470 | */ | ||||||
| 471 | uint8_t *domain; | ||||||
| 472 | |||||||
| 473 | /** | ||||||
| 474 | * SESSION SECURITY: This is a list of security data for this | ||||||
| 475 | * session, created by the key exchange protocol. | ||||||
| 476 | */ | ||||||
| 477 | dof_session_key_exchange_data *session_security_data; | ||||||
| 478 | dof_session_key_exchange_data *session_security_data_last; | ||||||
| 479 | |||||||
| 480 | /** | ||||||
| 481 | * NEXT: This is the next secure session related to the parent | ||||||
| 482 | * unsecure session. Protocols can define new secure sessions and | ||||||
| 483 | * add them to this list. DPP then finds the correct secure session | ||||||
| 484 | * for a secure packet and caches it. | ||||||
| 485 | */ | ||||||
| 486 | struct _dof_secure_session_data *next; | ||||||
| 487 | struct _dof_session_data *parent; | ||||||
| 488 | uint32_t original_session_id; | ||||||
| 489 | bool_Bool is_2_node; | ||||||
| 490 | } dof_secure_session_data; | ||||||
| 491 | |||||||
| 492 | /** | ||||||
| 493 | * This structure exists for each DPS session. Secure sessions have an | ||||||
| 494 | * additional data structure that includes the secure session information. | ||||||
| 495 | * Each packet that has state will contain a reference to one of these. | ||||||
| 496 | * | ||||||
| 497 | * Information in this structure is invariant for the duration of the | ||||||
| 498 | * session *or* is only used during the initial pass through the packets. | ||||||
| 499 | * Information that changes (for example, security parameters, keys, etc.) | ||||||
| 500 | * needs to be maintained separately, although this structure is the | ||||||
| 501 | * starting place for this information. | ||||||
| 502 | * | ||||||
| 503 | * This structure is initialized to zero. | ||||||
| 504 | */ | ||||||
| 505 | typedef struct _dof_session_data | ||||||
| 506 | { | ||||||
| 507 | /** | ||||||
| 508 | * SESSION ID: Set when the session is created, required. | ||||||
| 509 | */ | ||||||
| 510 | uint32_t session_id; | ||||||
| 511 | |||||||
| 512 | /** | ||||||
| 513 | * DPS ID: The type of DPS SENDER ID (in the packet data) to prevent | ||||||
| 514 | * aliasing. Since DPS senders identifiers relate to DNP, this is the | ||||||
| 515 | * DNP version number. | ||||||
| 516 | */ | ||||||
| 517 | uint8_t dof_id; | ||||||
| 518 | |||||||
| 519 | /** | ||||||
| 520 | * SECURE SESSIONS: When secure sessions are created from this | ||||||
| 521 | * unsecure session then they are added to this list. Each member | ||||||
| 522 | * of the list must be distinguished. | ||||||
| 523 | */ | ||||||
| 524 | dof_secure_session_data *secure_sessions; | ||||||
| 525 | |||||||
| 526 | /** | ||||||
| 527 | * Protocol-specific data. | ||||||
| 528 | */ | ||||||
| 529 | GSList *data_list; | ||||||
| 530 | } dof_session_data; | ||||||
| 531 | |||||||
| 532 | /* DOF Security Structures. */ | ||||||
| 533 | /* Return structures for different packets. */ | ||||||
| 534 | |||||||
| 535 | typedef struct _dof_2008_16_security_3_1 | ||||||
| 536 | { | ||||||
| 537 | tvbuff_t *identity; | ||||||
| 538 | } dof_2008_16_security_3_1; | ||||||
| 539 | |||||||
| 540 | typedef struct _dof_2008_16_security_4 | ||||||
| 541 | { | ||||||
| 542 | tvbuff_t *identity; | ||||||
| 543 | tvbuff_t *nonce; | ||||||
| 544 | } dof_2008_16_security_4; | ||||||
| 545 | |||||||
| 546 | typedef struct _dof_2008_16_security_6_1 | ||||||
| 547 | { | ||||||
| 548 | tvbuff_t *i_identity; | ||||||
| 549 | tvbuff_t *i_nonce; | ||||||
| 550 | uint16_t security_mode; | ||||||
| 551 | uint32_t security_mode_data_length; | ||||||
| 552 | uint8_t *security_mode_data; | ||||||
| 553 | } dof_2008_16_security_6_1; | ||||||
| 554 | |||||||
| 555 | typedef struct _dof_2008_16_security_6_2 | ||||||
| 556 | { | ||||||
| 557 | tvbuff_t *r_identity; | ||||||
| 558 | tvbuff_t *r_nonce; | ||||||
| 559 | } dof_2008_16_security_6_2; | ||||||
| 560 | |||||||
| 561 | |||||||
| 562 | /** | ||||||
| 563 | * This structure defines the address for Wireshark transports. There is no | ||||||
| 564 | * DPS information associated here. | ||||||
| 565 | */ | ||||||
| 566 | typedef struct _ws_node | ||||||
| 567 | { | ||||||
| 568 | address addr; | ||||||
| 569 | uint32_t port; | ||||||
| 570 | } ws_node; | ||||||
| 571 | |||||||
| 572 | typedef struct _dof_session_list | ||||||
| 573 | { | ||||||
| 574 | dof_session_data *session; | ||||||
| 575 | struct _dof_session_list *next; | ||||||
| 576 | } dof_session_list; | ||||||
| 577 | |||||||
| 578 | /** | ||||||
| 579 | * DOF PACKET DATA | ||||||
| 580 | * This structure exists for each DOF packet. There is ABSOLUTELY NO | ||||||
| 581 | * transport-specific information here, although there is a session | ||||||
| 582 | * number which may relate to transport information indirectly through | ||||||
| 583 | * a transport session. | ||||||
| 584 | * There will be one of these for each DOF packet, even if the corresponding | ||||||
| 585 | * Wireshark frame has multiple DOF packets encapsulated in it. The key | ||||||
| 586 | * to this structure is the operation identifier, and there is a hash | ||||||
| 587 | * lookup to go from an operation identifier to this structure. | ||||||
| 588 | */ | ||||||
| 589 | typedef struct _dof_packet_data | ||||||
| 590 | { | ||||||
| 591 | /** | ||||||
| 592 | * NON-DPS FIELDS, USED FOR WIRESHARK COMMUNICATION/PROCESSING | ||||||
| 593 | * Protocol-specific data. | ||||||
| 594 | */ | ||||||
| 595 | wmem_list_t *data_list; | ||||||
| 596 | |||||||
| 597 | /** | ||||||
| 598 | * The Wireshark frame. Note that a single frame can have multiple DPS packets. | ||||||
| 599 | */ | ||||||
| 600 | uint32_t frame; | ||||||
| 601 | |||||||
| 602 | /** | ||||||
| 603 | * The DPS frame/packet. This number is unique in the entire trace. | ||||||
| 604 | */ | ||||||
| 605 | uint32_t dof_frame; | ||||||
| 606 | |||||||
| 607 | /** | ||||||
| 608 | * Packet linked list for all dps packets. | ||||||
| 609 | */ | ||||||
| 610 | struct _dof_packet_data *next; | ||||||
| 611 | |||||||
| 612 | /** | ||||||
| 613 | * DPS FIELDS | ||||||
| 614 | * Indicator that the packet has already been processed. Processed packets | ||||||
| 615 | * have all their fields set that can be determined. Further attempts to | ||||||
| 616 | * determine NULL fields are worthless. | ||||||
| 617 | */ | ||||||
| 618 | bool_Bool processed; | ||||||
| 619 | |||||||
| 620 | /** | ||||||
| 621 | * SUMMARY: An operation summary, displayed in the Operation History. This is seasonal | ||||||
| 622 | * data, managed by the DPP dissector. | ||||||
| 623 | */ | ||||||
| 624 | const char *summary; | ||||||
| 625 | |||||||
| 626 | /** | ||||||
| 627 | * SENDER ID/RECEIVER ID: An identifier for each unique sender/receiver according to DPS. | ||||||
| 628 | * This augments the transport SENDER ID/RECEIVER ID in determining each | ||||||
| 629 | * unique sender. | ||||||
| 630 | */ | ||||||
| 631 | int sender_id; | ||||||
| 632 | int receiver_id; | ||||||
| 633 | |||||||
| 634 | /** | ||||||
| 635 | * DPP INFORMATION - CACHED INFORMATION | ||||||
| 636 | */ | ||||||
| 637 | bool_Bool is_command; /* Inverse is 'is_response'. */ | ||||||
| 638 | bool_Bool is_sent_by_initiator; | ||||||
| 639 | |||||||
| 640 | /** | ||||||
| 641 | * SENDER SID ID/RECEIVER SID ID: An identifier for the sid associated with this packet's sender. | ||||||
| 642 | * Zero indicates that it has not been assigned. Assigned by the DPP | ||||||
| 643 | * dissector. | ||||||
| 644 | */ | ||||||
| 645 | unsigned sender_sid_id; | ||||||
| 646 | unsigned receiver_sid_id; | ||||||
| 647 | |||||||
| 648 | /** | ||||||
| 649 | * SENDER SID/RECEIVER SID: The SID of the sender/receiver, or NULL if not known. | ||||||
| 650 | */ | ||||||
| 651 | dof_2009_1_pdu_19_sid sender_sid; | ||||||
| 652 | dof_2009_1_pdu_19_sid receiver_sid; | ||||||
| 653 | |||||||
| 654 | /** | ||||||
| 655 | * Operation references. | ||||||
| 656 | */ | ||||||
| 657 | bool_Bool has_opid; | ||||||
| 658 | dof_2009_1_pdu_20_opid op; | ||||||
| 659 | bool_Bool has_referenced_opid; | ||||||
| 660 | dof_2009_1_pdu_20_opid ref_op; | ||||||
| 661 | |||||||
| 662 | struct _dof_packet_data *opid_first; | ||||||
| 663 | struct _dof_packet_data *opid_next; | ||||||
| 664 | struct _dof_packet_data *opid_last; | ||||||
| 665 | struct _dof_packet_data *opid_first_response; | ||||||
| 666 | struct _dof_packet_data *opid_next_response; | ||||||
| 667 | struct _dof_packet_data *opid_last_response; | ||||||
| 668 | |||||||
| 669 | /** | ||||||
| 670 | * SECURITY INFORMATION - CACHED | ||||||
| 671 | */ | ||||||
| 672 | const char *security_session_error; | ||||||
| 673 | dof_session_key_exchange_data *security_session; | ||||||
| 674 | void *security_packet; | ||||||
| 675 | uint8_t *decrypted_buffer; | ||||||
| 676 | tvbuff_t *decrypted_tvb; | ||||||
| 677 | uint16_t decrypted_offset; | ||||||
| 678 | char *decrypted_buffer_error; | ||||||
| 679 | |||||||
| 680 | |||||||
| 681 | /** | ||||||
| 682 | * OPERATION DATA: Generic data, seasonal, owned by the application protocol dissector | ||||||
| 683 | * for this packet. | ||||||
| 684 | */ | ||||||
| 685 | void *opid_data; | ||||||
| 686 | } dof_packet_data; | ||||||
| 687 | |||||||
| 688 | |||||||
| 689 | /** | ||||||
| 690 | * This structure represents globals that are passed to all dissectors. | ||||||
| 691 | */ | ||||||
| 692 | typedef struct _dof_globals | ||||||
| 693 | { | ||||||
| 694 | uint32_t next_transport_session; | ||||||
| 695 | uint32_t next_session; | ||||||
| 696 | dof_packet_data *dof_packet_head; | ||||||
| 697 | dof_packet_data *dof_packet_tail; | ||||||
| 698 | dof_security_data *global_security; | ||||||
| 699 | dof_learned_group_data *learned_group_data; | ||||||
| 700 | bool_Bool decrypt_all_packets; | ||||||
| 701 | bool_Bool track_operations; | ||||||
| 702 | unsigned track_operations_window; | ||||||
| 703 | } dof_globals; | ||||||
| 704 | |||||||
| 705 | /** | ||||||
| 706 | * This structure contains all information that is passed between | ||||||
| 707 | * transport dissectors/plugins and the DPS dissector. It is allocated | ||||||
| 708 | * by the transport plugin, and its fields are set as described here. | ||||||
| 709 | */ | ||||||
| 710 | typedef struct _dof_api_data | ||||||
| 711 | { | ||||||
| 712 | /** | ||||||
| 713 | * TRANSPORT SESSION: Set by the transport dissector, required. | ||||||
| 714 | */ | ||||||
| 715 | dof_transport_session *transport_session; | ||||||
| 716 | |||||||
| 717 | /** | ||||||
| 718 | * TRANSPORT PACKET: Set by the transport dissector, required. | ||||||
| 719 | */ | ||||||
| 720 | dof_transport_packet *transport_packet; | ||||||
| 721 | |||||||
| 722 | /** | ||||||
| 723 | * DPS SESSION: Set by the DPS dissector. | ||||||
| 724 | */ | ||||||
| 725 | dof_session_data *session; | ||||||
| 726 | |||||||
| 727 | /** | ||||||
| 728 | * DPS DATA: Set by the DPS dissector. | ||||||
| 729 | */ | ||||||
| 730 | dof_packet_data *packet; | ||||||
| 731 | |||||||
| 732 | /** | ||||||
| 733 | * DPS SECURE SESSION: Set by the DPP dissector. | ||||||
| 734 | */ | ||||||
| 735 | dof_secure_session_data *secure_session; | ||||||
| 736 | } dof_api_data; | ||||||
| 737 | |||||||
| 738 | /** | ||||||
| 739 | * This set of types defines the Security Mode dissector API. | ||||||
| 740 | * This structure identifies the context of the dissection, | ||||||
| 741 | * allowing a single structure to know what part of the packet | ||||||
| 742 | * of sequence of packets it is working with. | ||||||
| 743 | * | ||||||
| 744 | * Structure for Security Mode of Operation dissectors. | ||||||
| 745 | */ | ||||||
| 746 | typedef enum _dof_secmode_context | ||||||
| 747 | { | ||||||
| 748 | INITIALIZE, | ||||||
| 749 | HEADER, | ||||||
| 750 | TRAILER | ||||||
| 751 | } dof_secmode_context; | ||||||
| 752 | |||||||
| 753 | /* Seasonal, initialized to zero. */ | ||||||
| 754 | typedef struct _dof_secmode_api_data | ||||||
| 755 | { | ||||||
| 756 | /** | ||||||
| 757 | * API VERSION: Set by the DPS dissector, required. | ||||||
| 758 | * MUST BE THE FIRST FIELD. | ||||||
| 759 | */ | ||||||
| 760 | uint8_t version; | ||||||
| 761 | |||||||
| 762 | /** | ||||||
| 763 | * CONTEXT: Set the DPS dissector, required. | ||||||
| 764 | */ | ||||||
| 765 | dof_secmode_context context; | ||||||
| 766 | |||||||
| 767 | /** | ||||||
| 768 | * SECURITY MODE OFFSET: The packet offset from the DPP header of the security mode. | ||||||
| 769 | */ | ||||||
| 770 | unsigned security_mode_offset; | ||||||
| 771 | |||||||
| 772 | /** | ||||||
| 773 | * API DATA: Set by the DPS dissector, required. | ||||||
| 774 | */ | ||||||
| 775 | dof_api_data *dof_api; | ||||||
| 776 | |||||||
| 777 | /** | ||||||
| 778 | * SECURE SESSION DATA: Controlled by the caller, either associated | ||||||
| 779 | * with the current packet (HEADER mode) or not (other modes). | ||||||
| 780 | * Used to access session information. | ||||||
| 781 | */ | ||||||
| 782 | dof_secure_session_data *secure_session; | ||||||
| 783 | |||||||
| 784 | /** | ||||||
| 785 | * KEY EXCHANGE: Controlled by the caller, represents the key exchange | ||||||
| 786 | * for INITIALIZE mode. | ||||||
| 787 | */ | ||||||
| 788 | dof_session_key_exchange_data *session_key_data; | ||||||
| 789 | } dof_secmode_api_data; | ||||||
| 790 | |||||||
| 791 | /* These should be the only non-static declarations in the file. */ | ||||||
| 792 | void proto_register_dof(void); | ||||||
| 793 | void proto_reg_handoff_dof(void); | ||||||
| 794 | |||||||
| 795 | /* Dissector routines. */ | ||||||
| 796 | static int dissect_2008_1_dsp_1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); | ||||||
| 797 | static int dissect_2008_16_security_1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 798 | static int dissect_2008_16_security_2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 799 | static int dissect_2008_16_security_3_1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 800 | static int dissect_2008_16_security_3_2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 801 | static int dissect_2008_16_security_4(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 802 | static int dissect_2008_16_security_5(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 803 | static int dissect_2008_16_security_6_1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 804 | static int dissect_2008_16_security_6_2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 805 | static int dissect_2008_16_security_6_3(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 806 | static int dissect_2008_16_security_7(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 807 | static int dissect_2008_16_security_8(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 808 | static int dissect_2008_16_security_9(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 809 | static int dissect_2008_16_security_10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 810 | static int dissect_2008_16_security_11(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 811 | static int dissect_2008_16_security_12(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 812 | static int dissect_2008_16_security_13(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 813 | static int dissect_2009_11_type_4(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data); | ||||||
| 814 | static int dissect_2009_11_type_5(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); | ||||||
| 815 | |||||||
| 816 | static const char* dof_oid_create_standard_string(wmem_allocator_t* allocator, uint32_t bufferSize, const uint8_t *pOIDBuffer, packet_info *pinfo); | ||||||
| 817 | static const char* dof_iid_create_standard_string(wmem_allocator_t* allocator, uint32_t bufferSize, const uint8_t *pIIDBuffer); | ||||||
| 818 | static uint8_t dof_oid_create_internal(const char *oid, uint32_t *size, uint8_t *buffer); | ||||||
| 819 | static void dof_oid_new_standard_string(const char *data, uint32_t *rsize, uint8_t **oid); | ||||||
| 820 | static int read_c4(tvbuff_t *tvb, int offset, uint32_t *v, int *len); | ||||||
| 821 | static void validate_c4(packet_info *pinfo, proto_item *pi, uint32_t, int len); | ||||||
| 822 | static int read_c3(tvbuff_t *tvb, int offset, uint32_t *v, int *len); | ||||||
| 823 | static void validate_c3(packet_info *pinfo, proto_item *pi, uint32_t, int len); | ||||||
| 824 | static int read_c2(tvbuff_t *tvb, int offset, uint16_t *v, int *len); | ||||||
| 825 | static void validate_c2(packet_info *pinfo, proto_item *pi, uint16_t, int len); | ||||||
| 826 | |||||||
| 827 | static int dof_dissect_pdu(dissector_t dissector, tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *result); | ||||||
| 828 | static int dof_dissect_pdu_as_field(dissector_t dissector, tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, int item, int ett, void *result); | ||||||
| 829 | |||||||
| 830 | #if 0 /* TODO not used yet */ | ||||||
| 831 | static void dof_session_add_proto_data(dof_session_data *session, int proto, void *proto_data); | ||||||
| 832 | static void* dof_session_get_proto_data(dof_session_data *session, int proto); | ||||||
| 833 | static void dof_session_delete_proto_data(dof_session_data *session, int proto); | ||||||
| 834 | #endif | ||||||
| 835 | |||||||
| 836 | static void dof_packet_add_proto_data(dof_packet_data *packet, int proto, void *proto_data); | ||||||
| 837 | static void* dof_packet_get_proto_data(dof_packet_data *packet, int proto); | ||||||
| 838 | |||||||
| 839 | /* DOF PROTOCOL STACK */ | ||||||
| 840 | #define DOF_PROTOCOL_STACK"DOF Protocol Stack" "DOF Protocol Stack" | ||||||
| 841 | |||||||
| 842 | /** | ||||||
| 843 | * PORTS | ||||||
| 844 | * The following ports are registered with IANA and used to hook transport | ||||||
| 845 | * dissectors into the lower-level Wireshark transport dissectors. | ||||||
| 846 | * | ||||||
| 847 | * Related to these ports is the usage of conversations for DOF. The goal of | ||||||
| 848 | * using Wireshark conversations is to guarantee that DPS data is available for | ||||||
| 849 | * any DPS packet. However, there is no assumption that Wireshark conversations | ||||||
| 850 | * map in any way to DOF sessions. | ||||||
| 851 | * | ||||||
| 852 | * One exception to this use is in discovery of DOF servers. The DOF_MCAST_NEG_SEC_UDP_PORT | ||||||
| 853 | * is watched for all traffic. A "wildcard" conversation is then created for the | ||||||
| 854 | * source address, and the DPS dissector is associated with that port. In this | ||||||
| 855 | * way, servers on non-standard ports will automatically be decoded using DPS. | ||||||
| 856 | */ | ||||||
| 857 | #define DOF_NEG_SEC_UDP_PORT_RANGE"3567,5567" "3567,5567" /* P2P + Multicast */ | ||||||
| 858 | #define DOF_P2P_NEG_SEC_TCP_PORT3567 3567 | ||||||
| 859 | /* Reserved UDP port 3568*/ | ||||||
| 860 | #define DOF_TUN_SEC_TCP_PORT3568 3568 | ||||||
| 861 | #define DOF_P2P_SEC_TCP_PORT5567 5567 | ||||||
| 862 | /* Reserved UDP port 8567*/ | ||||||
| 863 | #define DOF_TUN_NON_SEC_TCP_PORT8567 8567 | ||||||
| 864 | |||||||
| 865 | /* This is needed to register multicast sessions with the UDP handler. */ | ||||||
| 866 | static dissector_handle_t dof_udp_handle; | ||||||
| 867 | |||||||
| 868 | static int proto_2008_1_dof; | ||||||
| 869 | static int proto_2008_1_dof_tcp; | ||||||
| 870 | static int proto_2008_1_dof_udp; | ||||||
| 871 | |||||||
| 872 | static int hf_2008_1_dof_session; | ||||||
| 873 | static int hf_2008_1_dof_is_2_node; | ||||||
| 874 | static int hf_2008_1_dof_is_streaming; | ||||||
| 875 | static int hf_2008_1_dof_is_from_client; | ||||||
| 876 | static int hf_2008_1_dof_frame; | ||||||
| 877 | static int hf_2008_1_dof_session_transport; | ||||||
| 878 | |||||||
| 879 | static int ett_2008_1_dof; | ||||||
| 880 | |||||||
| 881 | /* DOF Tunnel Protocol */ | ||||||
| 882 | |||||||
| 883 | /* UDP Registrations */ | ||||||
| 884 | #define TUNNEL_PROTOCOL_STACK"DOF Tunnel Protocol Stack" "DOF Tunnel Protocol Stack" | ||||||
| 885 | #define TUNNEL_APPLICATION_PROTOCOL"DOF Tunnel Protocol" "DOF Tunnel Protocol" | ||||||
| 886 | |||||||
| 887 | static dissector_table_t dof_tun_app_dissectors; | ||||||
| 888 | |||||||
| 889 | /***** TUNNEL *****/ | ||||||
| 890 | static int proto_2012_1_tunnel; | ||||||
| 891 | |||||||
| 892 | static int ett_2012_1_tunnel; | ||||||
| 893 | |||||||
| 894 | static int hf_2012_1_tunnel_1_version; | ||||||
| 895 | static int hf_2012_1_tunnel_1_length; | ||||||
| 896 | |||||||
| 897 | /* DOF NETWORK PROTOCOL */ | ||||||
| 898 | #define DNP_MAX_VERSION1 1 | ||||||
| 899 | #define DOF_NETWORK_PROTOCOL"DOF Network Protocol" "DOF Network Protocol" | ||||||
| 900 | |||||||
| 901 | static dissector_table_t dnp_dissectors; | ||||||
| 902 | static dissector_table_t dnp_framing_dissectors; | ||||||
| 903 | |||||||
| 904 | static int proto_2008_1_dnp; | ||||||
| 905 | |||||||
| 906 | static int hf_2008_1_dnp_1_version; | ||||||
| 907 | static int hf_2008_1_dnp_1_flag; | ||||||
| 908 | |||||||
| 909 | static int ett_2008_1_dnp; | ||||||
| 910 | static int ett_2008_1_dnp_header; | ||||||
| 911 | |||||||
| 912 | /* DNP V0 */ | ||||||
| 913 | static int proto_2008_1_dnp_0; | ||||||
| 914 | |||||||
| 915 | static int hf_2008_1_dnp_0_1_1_padding; | ||||||
| 916 | static int hf_2008_1_dnp_0_1_1_version; | ||||||
| 917 | |||||||
| 918 | /* DNP V1 */ | ||||||
| 919 | #define DNP_V1_DEFAULT_FLAGS(0) (0) | ||||||
| 920 | static int proto_2009_9_dnp_1; | ||||||
| 921 | |||||||
| 922 | static int hf_2009_9_dnp_1_flags; | ||||||
| 923 | static int hf_2009_9_dnp_1_flag_length; | ||||||
| 924 | static int hf_2009_9_dnp_1_length; | ||||||
| 925 | static int hf_2009_9_dnp_1_flag_srcport; | ||||||
| 926 | static int hf_2009_9_dnp_1_srcport; | ||||||
| 927 | static int hf_2009_9_dnp_1_flag_dstport; | ||||||
| 928 | static int hf_2009_9_dnp_1_dstport; | ||||||
| 929 | |||||||
| 930 | static int ett_2009_9_dnp_1_flags; | ||||||
| 931 | |||||||
| 932 | static int * const bitmask_2009_9_dnp_1_flags[] = { | ||||||
| 933 | &hf_2009_9_dnp_1_flag_length, | ||||||
| 934 | &hf_2009_9_dnp_1_flag_srcport, | ||||||
| 935 | &hf_2009_9_dnp_1_flag_dstport, | ||||||
| 936 | NULL((void*)0) | ||||||
| 937 | }; | ||||||
| 938 | |||||||
| 939 | /* DOF PRESENTATION PROTOCOL */ | ||||||
| 940 | #define DOF_PRESENTATION_PROTOCOL"DOF Presentation Protocol" "DOF Presentation Protocol" | ||||||
| 941 | |||||||
| 942 | static dissector_table_t dof_dpp_dissectors; | ||||||
| 943 | |||||||
| 944 | static int proto_2008_1_dpp; | ||||||
| 945 | |||||||
| 946 | static int hf_2008_1_dpp_sid_num; | ||||||
| 947 | static int hf_2008_1_dpp_rid_num; | ||||||
| 948 | static int hf_2008_1_dpp_sid_str; | ||||||
| 949 | static int hf_2008_1_dpp_rid_str; | ||||||
| 950 | static int hf_2008_1_dpp_first_command; | ||||||
| 951 | static int hf_2008_1_dpp_last_command; | ||||||
| 952 | static int hf_2008_1_dpp_first_response; | ||||||
| 953 | static int hf_2008_1_dpp_last_response; | ||||||
| 954 | static int hf_2008_1_dpp_related_frame; | ||||||
| 955 | static int hf_2008_1_dpp_1_version; | ||||||
| 956 | static int hf_2008_1_dpp_1_flag; | ||||||
| 957 | |||||||
| 958 | static int ett_2008_1_dpp; | ||||||
| 959 | static int ett_2008_1_dpp_1_header; | ||||||
| 960 | |||||||
| 961 | /* DPP V0 */ | ||||||
| 962 | static int proto_2008_1_dpp_0; | ||||||
| 963 | |||||||
| 964 | static int hf_2008_1_dpp_0_1_1_version; | ||||||
| 965 | |||||||
| 966 | /* DPP V1 - RESERVED, NOT SUPPORTED */ | ||||||
| 967 | |||||||
| 968 | /* DPP V2 */ | ||||||
| 969 | #define DPP_V2_DEFAULT_FLAGS(0) (0) | ||||||
| 970 | #define DPP_V2_SEC_FLAG_E(0x80) (0x80) | ||||||
| 971 | #define DPP_V2_SEC_FLAG_D(0x08) (0x08) | ||||||
| 972 | #define DPP_V2_SEC_FLAG_P(0x04) (0x04) | ||||||
| 973 | #define DPP_V2_SEC_FLAG_A(0x02) (0x02) | ||||||
| 974 | #define DPP_V2_SEC_FLAG_S(0x01) (0x01) | ||||||
| 975 | |||||||
| 976 | static int proto_2009_12_dpp; | ||||||
| 977 | static int proto_2009_12_dpp_common; | ||||||
| 978 | |||||||
| 979 | /* TODO: The complete on final and final flags are not covered. */ | ||||||
| 980 | static int hf_2009_12_dpp_2_1_flags; | ||||||
| 981 | static int hf_2009_12_dpp_2_1_flag_security; | ||||||
| 982 | static int hf_2009_12_dpp_2_1_flag_opid; | ||||||
| 983 | static int hf_2009_12_dpp_2_1_flag_seq; | ||||||
| 984 | static int hf_2009_12_dpp_2_1_flag_retry; | ||||||
| 985 | static int hf_2009_12_dpp_2_1_flag_cmdrsp; | ||||||
| 986 | static int hf_2009_12_dpp_2_3_sec_flags; | ||||||
| 987 | static int hf_2009_12_dpp_2_3_sec_flag_secure; | ||||||
| 988 | static int hf_2009_12_dpp_2_3_sec_flag_rdid; | ||||||
| 989 | static int hf_2009_12_dpp_2_3_sec_flag_partition; | ||||||
| 990 | static int hf_2009_12_dpp_2_3_sec_flag_ssid; | ||||||
| 991 | static int hf_2009_12_dpp_2_3_sec_flag_as; | ||||||
| 992 | static int hf_2009_12_dpp_2_3_sec_ssid; | ||||||
| 993 | static int hf_2009_12_dpp_2_3_sec_rdid; | ||||||
| 994 | static int hf_2009_12_dpp_2_3_sec_remote_partition; | ||||||
| 995 | static int hf_2009_12_dpp_2_3_sec_partition; | ||||||
| 996 | static int hf_2009_12_dpp_2_1_opcnt; | ||||||
| 997 | static int hf_2009_12_dpp_2_1_seq; | ||||||
| 998 | static int hf_2009_12_dpp_2_1_retry; | ||||||
| 999 | static int hf_2009_12_dpp_2_1_delay; | ||||||
| 1000 | static int hf_2009_12_dpp_2_14_opcode; | ||||||
| 1001 | |||||||
| 1002 | static int ett_2009_12_dpp_2_1_flags; | ||||||
| 1003 | static int ett_2009_12_dpp_2_3_security; | ||||||
| 1004 | static int ett_2009_12_dpp_2_3_sec_flags; | ||||||
| 1005 | static int ett_2009_12_dpp_2_3_sec_remote_partition; | ||||||
| 1006 | static int ett_2009_12_dpp_2_3_sec_partition; | ||||||
| 1007 | static int ett_2009_12_dpp_2_opid; | ||||||
| 1008 | static int ett_2009_12_dpp_2_opid_history; | ||||||
| 1009 | |||||||
| 1010 | static int ett_2009_12_dpp_common; | ||||||
| 1011 | |||||||
| 1012 | static const value_string strings_2009_12_dpp_opid_types[] = { | ||||||
| 1013 | { 0, "Not Present" }, | ||||||
| 1014 | { 1, "SID [Sender]" }, | ||||||
| 1015 | { 2, "SID [Receiver]" }, | ||||||
| 1016 | { 3, "SID [Explicit]" }, | ||||||
| 1017 | { 0, NULL((void*)0) } | ||||||
| 1018 | }; | ||||||
| 1019 | |||||||
| 1020 | #define OP_2009_12_RESPONSE_FLAG(0x80) (0x80) | ||||||
| 1021 | #define OP_2009_12_NODE_DOWN_CMD(0) (0) | ||||||
| 1022 | #define OP_2009_12_NODE_DOWN_RSP((0x80)|(0)) (OP_2009_12_RESPONSE_FLAG(0x80)|OP_2009_12_NODE_DOWN_CMD(0)) | ||||||
| 1023 | #define OP_2009_12_SOURCE_LOST_CMD(1) (1) | ||||||
| 1024 | #define OP_2009_12_SOURCE_LOST_RSP((0x80)|(1)) (OP_2009_12_RESPONSE_FLAG(0x80)|OP_2009_12_SOURCE_LOST_CMD(1)) | ||||||
| 1025 | #define OP_2009_12_RENAME_CMD(2) (2) | ||||||
| 1026 | #define OP_2009_12_RENAME_RSP((0x80)|(2)) (OP_2009_12_RESPONSE_FLAG(0x80)|OP_2009_12_RENAME_CMD(2)) | ||||||
| 1027 | #define OP_2009_12_PING_CMD(3) (3) | ||||||
| 1028 | #define OP_2009_12_PING_RSP((0x80)|(3)) (OP_2009_12_RESPONSE_FLAG(0x80)|OP_2009_12_PING_CMD(3)) | ||||||
| 1029 | #define OP_2009_12_CANCEL_ALL_CMD(4) (4) | ||||||
| 1030 | #define OP_2009_12_CANCEL_ALL_RSP((0x80)|(4)) (OP_2009_12_RESPONSE_FLAG(0x80)|OP_2009_12_CANCEL_ALL_CMD(4)) | ||||||
| 1031 | #define OP_2009_12_HEARTBEAT_CMD(5) (5) | ||||||
| 1032 | #define OP_2009_12_HEARTBEAT_RSP((0x80)|(5)) (OP_2009_12_RESPONSE_FLAG(0x80)|OP_2009_12_HEARTBEAT_CMD(5)) | ||||||
| 1033 | #define OP_2009_12_QUERY_CMD(6) (6) | ||||||
| 1034 | #define OP_2009_12_QUERY_RSP((0x80)|(6)) (OP_2009_12_RESPONSE_FLAG(0x80)|OP_2009_12_QUERY_CMD(6)) | ||||||
| 1035 | #define OP_2009_12_SOURCE_FOUND_CMD(8) (8) | ||||||
| 1036 | #define OP_2009_12_SOURCE_FOUND_RSP((0x80)|(8)) (OP_2009_12_RESPONSE_FLAG(0x80)|OP_2009_12_SOURCE_FOUND_CMD(8)) | ||||||
| 1037 | |||||||
| 1038 | static const value_string strings_2009_12_dpp_common_opcodes[] = { | ||||||
| 1039 | { OP_2009_12_NODE_DOWN_CMD(0), "DPP Node Down" }, | ||||||
| 1040 | { OP_2009_12_NODE_DOWN_RSP((0x80)|(0)), "DPP Node Down Response (Illegal)" }, | ||||||
| 1041 | { OP_2009_12_SOURCE_LOST_CMD(1), "DPP Source Lost" }, | ||||||
| 1042 | { OP_2009_12_SOURCE_LOST_RSP((0x80)|(1)), "DPP Source Lost Response (Illegal)" }, | ||||||
| 1043 | { OP_2009_12_SOURCE_FOUND_CMD(8), "DPP Source Found" }, | ||||||
| 1044 | { OP_2009_12_SOURCE_FOUND_RSP((0x80)|(8)), "DPP Source Found Response (Illegal)" }, | ||||||
| 1045 | { OP_2009_12_RENAME_CMD(2), "DPP Rename" }, | ||||||
| 1046 | { OP_2009_12_RENAME_RSP((0x80)|(2)), "DPP Rename Response (Illegal)" }, | ||||||
| 1047 | { OP_2009_12_PING_CMD(3), "DPP Ping" }, | ||||||
| 1048 | { OP_2009_12_PING_RSP((0x80)|(3)), "DPP Ping Response" }, | ||||||
| 1049 | { OP_2009_12_HEARTBEAT_CMD(5), "DPP Heartbeat" }, | ||||||
| 1050 | { OP_2009_12_HEARTBEAT_RSP((0x80)|(5)), "DPP Heartbeat Response (Illegal)" }, | ||||||
| 1051 | { OP_2009_12_QUERY_CMD(6), "DPP Query" }, | ||||||
| 1052 | { OP_2009_12_QUERY_RSP((0x80)|(6)), "DPP Query Response" }, | ||||||
| 1053 | { OP_2009_12_CANCEL_ALL_CMD(4), "DPP Cancel All" }, | ||||||
| 1054 | { OP_2009_12_CANCEL_ALL_RSP((0x80)|(4)), "DPP Cancel All Response (Illegal)" }, | ||||||
| 1055 | { 0, NULL((void*)0) } | ||||||
| 1056 | }; | ||||||
| 1057 | |||||||
| 1058 | /* DOF APPLICATION PROTOCOL */ | ||||||
| 1059 | #define DOF_APPLICATION_PROTOCOL"DOF Application Protocol" "DOF Application Protocol" | ||||||
| 1060 | |||||||
| 1061 | static dissector_table_t app_dissectors; | ||||||
| 1062 | |||||||
| 1063 | static int proto_2008_1_app; | ||||||
| 1064 | |||||||
| 1065 | static int hf_2008_1_app_version; | ||||||
| 1066 | |||||||
| 1067 | /* DAP V0 (DSP - DOF SESSION PROTOCOL) */ | ||||||
| 1068 | /* Note that DSP is *always* appid 0 and so it violates the standard naming rule. */ | ||||||
| 1069 | static dissector_table_t dsp_option_dissectors; | ||||||
| 1070 | |||||||
| 1071 | static int hf_2008_1_dsp_12_opcode; | ||||||
| 1072 | static int hf_2008_1_dsp_attribute_code; | ||||||
| 1073 | static int hf_2008_1_dsp_attribute_data; | ||||||
| 1074 | static int hf_2008_1_dsp_value_length; | ||||||
| 1075 | static int hf_2008_1_dsp_value_data; | ||||||
| 1076 | |||||||
| 1077 | static const value_string strings_2008_1_dsp_attribute_codes[] = { | ||||||
| 1078 | { 0, "TEP Family" }, | ||||||
| 1079 | { 1, "OAP Family" }, | ||||||
| 1080 | { 2, "CCM Family" }, | ||||||
| 1081 | { 3, "TRP Family" }, | ||||||
| 1082 | { 255, "General" }, | ||||||
| 1083 | { 0, NULL((void*)0) } | ||||||
| 1084 | }; | ||||||
| 1085 | |||||||
| 1086 | #define DOF_PROTOCOL_DSP0 0 | ||||||
| 1087 | #define DSP_OAP_FAMILY0x010000 0x010000 | ||||||
| 1088 | |||||||
| 1089 | static int proto_2008_1_dsp; | ||||||
| 1090 | |||||||
| 1091 | #define OP_2008_1_RSP(0x80) (0x80) | ||||||
| 1092 | #define OP_2008_1_QUERY_CMD0 0 | ||||||
| 1093 | #define OP_2008_1_QUERY_RSP((0x80)|0) (OP_2008_1_RSP(0x80)|OP_2008_1_QUERY_CMD0) | ||||||
| 1094 | #define OP_2008_1_CONFIG_REQ1 1 | ||||||
| 1095 | #define OP_2008_1_CONFIG_ACK((0x80)|2) (OP_2008_1_RSP(0x80)|2) | ||||||
| 1096 | #define OP_2008_1_CONFIG_NAK((0x80)|3) (OP_2008_1_RSP(0x80)|3) | ||||||
| 1097 | #define OP_2008_1_CONFIG_REJ((0x80)|4) (OP_2008_1_RSP(0x80)|4) | ||||||
| 1098 | #define OP_2008_1_TERMINATE_CMD5 5 | ||||||
| 1099 | #define OP_2008_1_TERMINATE_RSP((0x80)|5) (OP_2008_1_RSP(0x80)|OP_2008_1_TERMINATE_CMD5) | ||||||
| 1100 | #define OP_2008_1_OPEN_CMD6 6 | ||||||
| 1101 | #define OP_2008_1_OPEN_RSP((0x80)|6) (OP_2008_1_RSP(0x80)|OP_2008_1_OPEN_CMD6) | ||||||
| 1102 | #define OP_2008_1_OPEN_SECURE_RSP((0x80)|7) (OP_2008_1_RSP(0x80)|7) | ||||||
| 1103 | |||||||
| 1104 | static const value_string strings_2008_1_dsp_opcodes[] = { | ||||||
| 1105 | { OP_2008_1_QUERY_CMD0, "DSP Query" }, | ||||||
| 1106 | { OP_2008_1_QUERY_RSP((0x80)|0), "DSP Query Response" }, | ||||||
| 1107 | { OP_2008_1_CONFIG_REQ1, "DSP Request" }, | ||||||
| 1108 | { OP_2008_1_CONFIG_ACK((0x80)|2), "DSP ACK Response" }, | ||||||
| 1109 | { OP_2008_1_CONFIG_NAK((0x80)|3), "DSP NAK Response" }, | ||||||
| 1110 | { OP_2008_1_CONFIG_REJ((0x80)|4), "DSP REJ Response" }, | ||||||
| 1111 | { OP_2008_1_TERMINATE_CMD5, "DSP Terminate/Close Request" }, | ||||||
| 1112 | { OP_2008_1_TERMINATE_RSP((0x80)|5), "DSP Terminate/Close Response" }, | ||||||
| 1113 | { OP_2008_1_OPEN_CMD6, "DSP Open" }, | ||||||
| 1114 | { OP_2008_1_OPEN_RSP((0x80)|6), "DSP Open Response" }, | ||||||
| 1115 | { OP_2008_1_OPEN_SECURE_RSP((0x80)|7), "DSP Open Secure Response" }, | ||||||
| 1116 | { 0, NULL((void*)0) } | ||||||
| 1117 | }; | ||||||
| 1118 | |||||||
| 1119 | #define DSP_AVP_AUTHENTICATION0 0 | ||||||
| 1120 | #define DSP_AVP_APPLICATION1 1 | ||||||
| 1121 | |||||||
| 1122 | #if 0 /* not used yet */ | ||||||
| 1123 | static const value_string strings_2008_1_dsp_attributes[] = { | ||||||
| 1124 | { DSP_AVP_AUTHENTICATION0, "Authentication Protocol" }, | ||||||
| 1125 | { DSP_AVP_APPLICATION1, "Application Protocol" }, | ||||||
| 1126 | { 0, NULL((void*)0) } | ||||||
| 1127 | }; | ||||||
| 1128 | |||||||
| 1129 | static const value_string strings_2008_1_dsp_values[] = { | ||||||
| 1130 | { 1, "DOF Object Access Protocol (version 1)" }, | ||||||
| 1131 | { 3, "DOF Ticket Exchange Protocol (version 1)" }, | ||||||
| 1132 | { 0, NULL((void*)0) } | ||||||
| 1133 | }; | ||||||
| 1134 | #endif | ||||||
| 1135 | |||||||
| 1136 | static int ett_2008_1_dsp_12; | ||||||
| 1137 | static int ett_2008_1_dsp_12_options; | ||||||
| 1138 | static int ett_2008_1_dsp_12_option; | ||||||
| 1139 | |||||||
| 1140 | /* DAP V1 (OAP - OBJECT ACCESS PROTOCOL V1) */ | ||||||
| 1141 | /* This is the defined protocol id for OAP. */ | ||||||
| 1142 | #define DOF_PROTOCOL_OAP_11 1 | ||||||
| 1143 | /* There are two "protocols", one hooks into DSP and the other to DOF. */ | ||||||
| 1144 | static int proto_oap_1; | ||||||
| 1145 | static int proto_oap_1_dsp; | ||||||
| 1146 | |||||||
| 1147 | /* OAP DSP protocol items. */ | ||||||
| 1148 | static int hf_oap_1_dsp_option; | ||||||
| 1149 | |||||||
| 1150 | /* OAP protocol items. */ | ||||||
| 1151 | static int hf_oap_1_opcode; | ||||||
| 1152 | |||||||
| 1153 | static int hf_oap_1_alias_size; | ||||||
| 1154 | static int hf_oap_1_flags; | ||||||
| 1155 | static int hf_oap_1_exception_internal_flag; | ||||||
| 1156 | static int hf_oap_1_exception_final_flag; | ||||||
| 1157 | static int hf_oap_1_exception_provider_flag; | ||||||
| 1158 | static int hf_oap_1_cmdcontrol; | ||||||
| 1159 | static int hf_oap_1_cmdcontrol_cache_flag; | ||||||
| 1160 | static int hf_oap_1_cmdcontrol_verbosity_flag; | ||||||
| 1161 | static int hf_oap_1_cmdcontrol_noexecute_flag; | ||||||
| 1162 | static int hf_oap_1_cmdcontrol_ack_flag; | ||||||
| 1163 | static int hf_oap_1_cmdcontrol_delay_flag; | ||||||
| 1164 | static int hf_oap_1_cmdcontrol_heuristic_flag; | ||||||
| 1165 | static int hf_oap_1_cmdcontrol_heuristic; | ||||||
| 1166 | static int hf_oap_1_cmdcontrol_cache; | ||||||
| 1167 | static int hf_oap_1_cmdcontrol_ackcnt; | ||||||
| 1168 | static int hf_oap_1_cmdcontrol_ack; | ||||||
| 1169 | |||||||
| 1170 | #if 0 /* not used yet */ | ||||||
| 1171 | static int hf_oap_1_opinfo_start_frame; | ||||||
| 1172 | static int hf_oap_1_opinfo_end_frame; | ||||||
| 1173 | static int hf_oap_1_opinfo_timeout; | ||||||
| 1174 | #endif | ||||||
| 1175 | |||||||
| 1176 | static int hf_oap_1_providerid; | ||||||
| 1177 | static int ett_oap_1_1_providerid; | ||||||
| 1178 | |||||||
| 1179 | static int hf_oap_1_objectid; | ||||||
| 1180 | static int ett_oap_1_objectid; | ||||||
| 1181 | |||||||
| 1182 | static int hf_oap_1_interfaceid; | ||||||
| 1183 | static int hf_oap_1_itemid; | ||||||
| 1184 | |||||||
| 1185 | #if 0 /* not used yet */ | ||||||
| 1186 | static int hf_oap_1_distance; | ||||||
| 1187 | #endif | ||||||
| 1188 | |||||||
| 1189 | static int hf_oap_1_alias; | ||||||
| 1190 | static int hf_oap_1_alias_frame; | ||||||
| 1191 | |||||||
| 1192 | static int hf_oap_1_subscription_delta; | ||||||
| 1193 | static int hf_oap_1_update_sequence; | ||||||
| 1194 | static int hf_oap_1_value_list; | ||||||
| 1195 | |||||||
| 1196 | static int ett_oap_1_dsp; | ||||||
| 1197 | static int ett_oap_1_dsp_options; | ||||||
| 1198 | |||||||
| 1199 | static int ett_oap_1; | ||||||
| 1200 | static int ett_oap_1_opinfo; | ||||||
| 1201 | static int ett_oap_1_cmdcontrol; | ||||||
| 1202 | static int ett_oap_1_cmdcontrol_flags; | ||||||
| 1203 | static int ett_oap_1_cmdcontrol_ack; | ||||||
| 1204 | static int ett_oap_1_alias; | ||||||
| 1205 | |||||||
| 1206 | static int * const bitmask_oap_1_cmdcontrol_flags[] = { | ||||||
| 1207 | &hf_oap_1_cmdcontrol_cache_flag, | ||||||
| 1208 | &hf_oap_1_cmdcontrol_verbosity_flag, | ||||||
| 1209 | &hf_oap_1_cmdcontrol_noexecute_flag, | ||||||
| 1210 | &hf_oap_1_cmdcontrol_ack_flag, | ||||||
| 1211 | &hf_oap_1_cmdcontrol_delay_flag, | ||||||
| 1212 | &hf_oap_1_cmdcontrol_heuristic_flag, | ||||||
| 1213 | NULL((void*)0) | ||||||
| 1214 | }; | ||||||
| 1215 | |||||||
| 1216 | static expert_field ei_oap_no_session; | ||||||
| 1217 | |||||||
| 1218 | static GHashTable *oap_1_alias_to_binding; | ||||||
| 1219 | |||||||
| 1220 | #define OAP_1_RESPONSE(0x80) (0x80) | ||||||
| 1221 | #define OAP_1_CMD_ACTIVATE28 28 | ||||||
| 1222 | #define OAP_1_RSP_ACTIVATE(28|(0x80)) (OAP_1_CMD_ACTIVATE28|OAP_1_RESPONSE(0x80)) | ||||||
| 1223 | #define OAP_1_CMD_ADVERTISE5 5 | ||||||
| 1224 | #define OAP_1_RSP_ADVERTISE(5|(0x80)) (OAP_1_CMD_ADVERTISE5|OAP_1_RESPONSE(0x80)) | ||||||
| 1225 | #define OAP_1_CMD_CHANGE2 2 | ||||||
| 1226 | #define OAP_1_RSP_CHANGE(2|(0x80)) (OAP_1_CMD_CHANGE2|OAP_1_RESPONSE(0x80)) | ||||||
| 1227 | #define OAP_1_CMD_CONNECT4 4 | ||||||
| 1228 | #define OAP_1_RSP_CONNECT(4|(0x80)) (OAP_1_CMD_CONNECT4|OAP_1_RESPONSE(0x80)) | ||||||
| 1229 | #define OAP_1_CMD_DEFINE6 6 | ||||||
| 1230 | #define OAP_1_RSP_DEFINE(6|(0x80)) (OAP_1_CMD_DEFINE6|OAP_1_RESPONSE(0x80)) | ||||||
| 1231 | #define OAP_1_CMD_EXCEPTION9 9 | ||||||
| 1232 | #define OAP_1_RSP_EXCEPTION(9|(0x80)) (OAP_1_CMD_EXCEPTION9|OAP_1_RESPONSE(0x80)) | ||||||
| 1233 | #define OAP_1_CMD_FULL_CONNECT3 3 | ||||||
| 1234 | #define OAP_1_RSP_FULL_CONNECT(3|(0x80)) (OAP_1_CMD_FULL_CONNECT3|OAP_1_RESPONSE(0x80)) | ||||||
| 1235 | #define OAP_1_CMD_GET10 10 | ||||||
| 1236 | #define OAP_1_RSP_GET(10|(0x80)) (OAP_1_CMD_GET10|OAP_1_RESPONSE(0x80)) | ||||||
| 1237 | #define OAP_1_CMD_INVOKE12 12 | ||||||
| 1238 | #define OAP_1_RSP_INVOKE(12|(0x80)) (OAP_1_CMD_INVOKE12|OAP_1_RESPONSE(0x80)) | ||||||
| 1239 | #define OAP_1_CMD_OPEN14 14 | ||||||
| 1240 | #define OAP_1_RSP_OPEN(14|(0x80)) (OAP_1_CMD_OPEN14|OAP_1_RESPONSE(0x80)) | ||||||
| 1241 | #define OAP_1_CMD_PROVIDE16 16 | ||||||
| 1242 | #define OAP_1_RSP_PROVIDE(16|(0x80)) (OAP_1_CMD_PROVIDE16|OAP_1_RESPONSE(0x80)) | ||||||
| 1243 | #define OAP_1_CMD_REGISTER25 25 | ||||||
| 1244 | #define OAP_1_RSP_REGISTER(25|(0x80)) (OAP_1_CMD_REGISTER25|OAP_1_RESPONSE(0x80)) | ||||||
| 1245 | #define OAP_1_CMD_SET20 20 | ||||||
| 1246 | #define OAP_1_RSP_SET(20|(0x80)) (OAP_1_CMD_SET20|OAP_1_RESPONSE(0x80)) | ||||||
| 1247 | #define OAP_1_CMD_SIGNAL22 22 | ||||||
| 1248 | #define OAP_1_RSP_SIGNAL(22|(0x80)) (OAP_1_CMD_SIGNAL22|OAP_1_RESPONSE(0x80)) | ||||||
| 1249 | #define OAP_1_CMD_SUBSCRIBE24 24 | ||||||
| 1250 | #define OAP_1_RSP_SUBSCRIBE(24|(0x80)) (OAP_1_CMD_SUBSCRIBE24|OAP_1_RESPONSE(0x80)) | ||||||
| 1251 | #define OAP_1_CMD_WATCH30 30 | ||||||
| 1252 | #define OAP_1_RSP_WATCH(30|(0x80)) (OAP_1_CMD_WATCH30|OAP_1_RESPONSE(0x80)) | ||||||
| 1253 | |||||||
| 1254 | static const value_string oap_opcode_strings[] = { | ||||||
| 1255 | { OAP_1_CMD_ACTIVATE28, "OAP Activate" }, | ||||||
| 1256 | { OAP_1_RSP_ACTIVATE(28|(0x80)), "OAP Activate Response (Illegal)" }, | ||||||
| 1257 | { OAP_1_CMD_ADVERTISE5, "OAP Advertise" }, | ||||||
| 1258 | { OAP_1_RSP_ADVERTISE(5|(0x80)), "OAP Advertise Response (Illegal)" }, | ||||||
| 1259 | { OAP_1_CMD_CHANGE2, "OAP Change" }, | ||||||
| 1260 | { OAP_1_RSP_CHANGE(2|(0x80)), "OAP Change Response (Illegal)" }, | ||||||
| 1261 | { OAP_1_CMD_CONNECT4, "OAP Connect" }, | ||||||
| 1262 | { OAP_1_RSP_CONNECT(4|(0x80)), "OAP Connect Response (Illegal)" }, | ||||||
| 1263 | { OAP_1_CMD_DEFINE6, "OAP Define" }, | ||||||
| 1264 | { OAP_1_RSP_DEFINE(6|(0x80)), "OAP Define Response" }, | ||||||
| 1265 | { OAP_1_CMD_EXCEPTION9, "OAP Exception (Illegal)" }, | ||||||
| 1266 | { OAP_1_RSP_EXCEPTION(9|(0x80)), "OAP Exception Response" }, | ||||||
| 1267 | { OAP_1_CMD_FULL_CONNECT3, "OAP Full Connect" }, | ||||||
| 1268 | { OAP_1_RSP_FULL_CONNECT(3|(0x80)), "OAP Full Connect Response (Illegal)" }, | ||||||
| 1269 | { OAP_1_CMD_GET10, "OAP Get" }, | ||||||
| 1270 | { OAP_1_RSP_GET(10|(0x80)), "OAP Get Response" }, | ||||||
| 1271 | { OAP_1_CMD_INVOKE12, "OAP Invoke" }, | ||||||
| 1272 | { OAP_1_RSP_INVOKE(12|(0x80)), "OAP Invoke Response" }, | ||||||
| 1273 | { OAP_1_CMD_OPEN14, "OAP Open" }, | ||||||
| 1274 | { OAP_1_RSP_OPEN(14|(0x80)), "OAP Open Response" }, | ||||||
| 1275 | { OAP_1_CMD_PROVIDE16, "OAP Provide" }, | ||||||
| 1276 | { OAP_1_RSP_PROVIDE(16|(0x80)), "OAP Provide Response (Illegal)" }, | ||||||
| 1277 | { OAP_1_CMD_REGISTER25, "OAP Register" }, | ||||||
| 1278 | { OAP_1_RSP_REGISTER(25|(0x80)), "OAP Register Response" }, | ||||||
| 1279 | { OAP_1_CMD_SET20, "OAP Set" }, | ||||||
| 1280 | { OAP_1_RSP_SET(20|(0x80)), "OAP Set Response" }, | ||||||
| 1281 | { OAP_1_CMD_SIGNAL22, "OAP Signal" }, | ||||||
| 1282 | { OAP_1_RSP_SIGNAL(22|(0x80)), "OAP Signal Response (Illegal)" }, | ||||||
| 1283 | { OAP_1_CMD_SUBSCRIBE24, "OAP Subscribe" }, | ||||||
| 1284 | { OAP_1_RSP_SUBSCRIBE(24|(0x80)), "OAP Subscribe Response" }, | ||||||
| 1285 | { OAP_1_CMD_WATCH30, "OAP Watch" }, | ||||||
| 1286 | { OAP_1_RSP_WATCH(30|(0x80)), "OAP Watch Response (Illegal)" }, | ||||||
| 1287 | |||||||
| 1288 | { 0, NULL((void*)0) } | ||||||
| 1289 | }; | ||||||
| 1290 | |||||||
| 1291 | typedef struct _alias_key | ||||||
| 1292 | { | ||||||
| 1293 | uint32_t session; | ||||||
| 1294 | uint32_t sender; | ||||||
| 1295 | uint32_t alias; | ||||||
| 1296 | } oap_1_alias_key; | ||||||
| 1297 | |||||||
| 1298 | static unsigned oap_1_alias_hash_func(const void *ptr) | ||||||
| 1299 | { | ||||||
| 1300 | const oap_1_alias_key *key = (const oap_1_alias_key *)ptr; | ||||||
| 1301 | return g_int_hash(&key->session) + g_int_hash(&key->sender) + g_int_hash(&key->alias); | ||||||
| 1302 | } | ||||||
| 1303 | |||||||
| 1304 | static int oap_1_alias_equal_func(const void *ptr1, const void *ptr2) | ||||||
| 1305 | { | ||||||
| 1306 | const oap_1_alias_key *key1 = (const oap_1_alias_key *)ptr1; | ||||||
| 1307 | const oap_1_alias_key *key2 = (const oap_1_alias_key *)ptr2; | ||||||
| 1308 | |||||||
| 1309 | if (key1->session != key2->session) | ||||||
| 1310 | return 0; | ||||||
| 1311 | |||||||
| 1312 | if (key1->sender != key2->sender) | ||||||
| 1313 | return 0; | ||||||
| 1314 | |||||||
| 1315 | if (key1->alias != key2->alias) | ||||||
| 1316 | return 0; | ||||||
| 1317 | |||||||
| 1318 | return 1; | ||||||
| 1319 | } | ||||||
| 1320 | |||||||
| 1321 | typedef struct | ||||||
| 1322 | { | ||||||
| 1323 | uint8_t *oid; | ||||||
| 1324 | uint16_t oid_length; | ||||||
| 1325 | uint8_t *iid; | ||||||
| 1326 | uint16_t iid_length; | ||||||
| 1327 | uint32_t frame; | ||||||
| 1328 | } oap_1_binding; | ||||||
| 1329 | |||||||
| 1330 | typedef struct oap_1_binding_list | ||||||
| 1331 | { | ||||||
| 1332 | oap_1_binding *binding; | ||||||
| 1333 | struct oap_1_binding_list *next; | ||||||
| 1334 | } oap_1_binding_list; | ||||||
| 1335 | |||||||
| 1336 | typedef struct | ||||||
| 1337 | { | ||||||
| 1338 | oap_1_binding *resolved_alias; | ||||||
| 1339 | } oap_1_packet_data; | ||||||
| 1340 | |||||||
| 1341 | static oap_1_binding* oap_1_resolve_alias(oap_1_alias_key *key); | ||||||
| 1342 | |||||||
| 1343 | static int oap_1_tree_add_alias(dof_api_data *api_data, oap_1_packet_data *oap_packet _U___attribute__((unused)), dof_packet_data *packet, proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, int offset, uint8_t alias_length, uint8_t resolve) | ||||||
| 1344 | { | ||||||
| 1345 | dof_session_data *session = api_data->session; | ||||||
| 1346 | proto_item *ti; | ||||||
| 1347 | proto_tree *options_tree; | ||||||
| 1348 | |||||||
| 1349 | if (alias_length == 0) | ||||||
| 1350 | /* TODO: Output error. */ | ||||||
| 1351 | return offset; | ||||||
| 1352 | |||||||
| 1353 | if (session == NULL((void*)0)) | ||||||
| 1354 | /* TODO: Output error. */ | ||||||
| 1355 | return offset; | ||||||
| 1356 | |||||||
| 1357 | ti = proto_tree_add_item(tree, hf_oap_1_alias, tvb, offset, alias_length, ENC_BIG_ENDIAN0x00000000); | ||||||
| 1358 | |||||||
| 1359 | if (resolve) | ||||||
| 1360 | { | ||||||
| 1361 | oap_1_binding *binding = NULL((void*)0); | ||||||
| 1362 | oap_1_alias_key key; | ||||||
| 1363 | int i; | ||||||
| 1364 | uint32_t alias; | ||||||
| 1365 | |||||||
| 1366 | alias = 0; | ||||||
| 1367 | for (i = 0; i < alias_length; i++) | ||||||
| 1368 | alias = (alias << 8) | tvb_get_uint8(tvb, offset + i); | ||||||
| 1369 | |||||||
| 1370 | key.session = session->session_id; | ||||||
| 1371 | key.sender = packet->sender_id; | ||||||
| 1372 | key.alias = alias; | ||||||
| 1373 | binding = oap_1_resolve_alias(&key); | ||||||
| 1374 | /* Only a binding defined by this frame or an earlier one, as in the first pass */ | ||||||
| 1375 | if (binding && binding->frame > pinfo->num) | ||||||
| 1376 | binding = NULL((void*)0); | ||||||
| 1377 | |||||||
| 1378 | if (binding) | ||||||
| 1379 | { | ||||||
| 1380 | options_tree = proto_item_add_subtree(ti, ett_oap_1_alias); | ||||||
| 1381 | |||||||
| 1382 | /* Decode the Interface */ | ||||||
| 1383 | ti = proto_tree_add_bytes_format_value(tree, hf_oap_1_interfaceid, tvb, 0, 0, binding->iid, "%s", dof_iid_create_standard_string(pinfo->pool, binding->iid_length, binding->iid)); | ||||||
| 1384 | proto_item_set_generated(ti); | ||||||
| 1385 | |||||||
| 1386 | /* Decode the Object ID */ | ||||||
| 1387 | ti = proto_tree_add_bytes_format_value(tree, hf_oap_1_objectid, tvb, 0, 0, binding->oid, "%s", dof_oid_create_standard_string(pinfo->pool, binding->oid_length, binding->oid, pinfo)); | ||||||
| 1388 | proto_item_set_generated(ti); | ||||||
| 1389 | |||||||
| 1390 | proto_tree_add_uint_format(options_tree, hf_oap_1_alias_frame, | ||||||
| 1391 | tvb, 0, 0, binding->frame, | ||||||
| 1392 | "This alias is defined in frame %u", | ||||||
| 1393 | binding->frame); | ||||||
| 1394 | } | ||||||
| 1395 | } | ||||||
| 1396 | |||||||
| 1397 | return offset + alias_length; | ||||||
| 1398 | } | ||||||
| 1399 | |||||||
| 1400 | static int oap_1_tree_add_interface(proto_tree *tree, tvbuff_t *tvb, int offset) | ||||||
| 1401 | { | ||||||
| 1402 | uint8_t registry; | ||||||
| 1403 | uint8_t len; | ||||||
| 1404 | |||||||
| 1405 | registry = tvb_get_uint8(tvb, offset); | ||||||
| 1406 | len = registry & 0x03; | ||||||
| 1407 | /* XXX - The DOF specifications indicate "len [bits] equal to 0 is invalid" | ||||||
| 1408 | * Why is a length of 16 bytes used in that case? */ | ||||||
| 1409 | if (len == 0) | ||||||
| 1410 | len = 16; | ||||||
| 1411 | else | ||||||
| 1412 | len = 1 << (len - 1); | ||||||
| 1413 | |||||||
| 1414 | proto_tree_add_item(tree, hf_oap_1_interfaceid, tvb, offset, 1 + len, ENC_NA0x00000000); | ||||||
| 1415 | return offset + 1 + len; | ||||||
| 1416 | } | ||||||
| 1417 | |||||||
| 1418 | static int oap_1_tree_add_binding(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, int offset) | ||||||
| 1419 | { | ||||||
| 1420 | /* uint8_t cl; */ | ||||||
| 1421 | |||||||
| 1422 | offset = oap_1_tree_add_interface(tree, tvb, offset); | ||||||
| 1423 | |||||||
| 1424 | #if 0 /* this seems to be dead code - check! */ | ||||||
| 1425 | cl = tvb_get_uint8(tvb, offset); | ||||||
| 1426 | if (cl & 0x80) | ||||||
| 1427 | len = tvb_get_uint8(tvb, offset + 2); | ||||||
| 1428 | else | ||||||
| 1429 | len = tvb_get_uint8(tvb, offset + 1); | ||||||
| 1430 | #endif | ||||||
| 1431 | |||||||
| 1432 | offset = dof_dissect_pdu_as_field(dissect_2009_11_type_4, tvb, pinfo, tree, | ||||||
| 1433 | offset, hf_oap_1_objectid, ett_oap_1_objectid, NULL((void*)0)); | ||||||
| 1434 | return offset; | ||||||
| 1435 | } | ||||||
| 1436 | |||||||
| 1437 | static int oap_1_tree_add_cmdcontrol(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) | ||||||
| 1438 | { | ||||||
| 1439 | proto_item *ti; | ||||||
| 1440 | proto_tree *opinfo_tree; | ||||||
| 1441 | uint8_t flags; | ||||||
| 1442 | |||||||
| 1443 | flags = tvb_get_uint8(tvb, offset); | ||||||
| 1444 | |||||||
| 1445 | ti = proto_tree_add_bitmask(tree, tvb, offset, hf_oap_1_cmdcontrol, ett_oap_1_cmdcontrol_flags, bitmask_oap_1_cmdcontrol_flags, ENC_NA0x00000000); | ||||||
| 1446 | opinfo_tree = proto_item_add_subtree(ti, ett_oap_1_cmdcontrol); | ||||||
| 1447 | |||||||
| 1448 | proto_tree_add_item(opinfo_tree, hf_oap_1_cmdcontrol_cache_flag, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 1449 | proto_tree_add_item(opinfo_tree, hf_oap_1_cmdcontrol_verbosity_flag, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 1450 | proto_tree_add_item(opinfo_tree, hf_oap_1_cmdcontrol_noexecute_flag, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 1451 | proto_tree_add_item(opinfo_tree, hf_oap_1_cmdcontrol_ack_flag, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 1452 | proto_tree_add_item(opinfo_tree, hf_oap_1_cmdcontrol_delay_flag, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 1453 | proto_tree_add_item(opinfo_tree, hf_oap_1_cmdcontrol_heuristic_flag, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 1454 | |||||||
| 1455 | offset += 1; | ||||||
| 1456 | |||||||
| 1457 | if (flags & 0x01) | ||||||
| 1458 | { | ||||||
| 1459 | /* Heuristic */ | ||||||
| 1460 | int heur_len; | ||||||
| 1461 | uint16_t heur; | ||||||
| 1462 | proto_item *pi; | ||||||
| 1463 | |||||||
| 1464 | read_c2(tvb, offset, &heur, &heur_len); | ||||||
| 1465 | pi = proto_tree_add_uint_format(opinfo_tree, hf_oap_1_cmdcontrol_heuristic, tvb, offset, heur_len, heur, "Heuristic Value: %hu", heur); | ||||||
| 1466 | validate_c2(pinfo, pi, heur, heur_len); | ||||||
| 1467 | offset += heur_len; | ||||||
| 1468 | } | ||||||
| 1469 | |||||||
| 1470 | if (flags & 0x04) | ||||||
| 1471 | { | ||||||
| 1472 | /* Ack List */ | ||||||
| 1473 | uint8_t ackcnt; | ||||||
| 1474 | uint8_t i; | ||||||
| 1475 | |||||||
| 1476 | proto_tree_add_item_ret_uint8(opinfo_tree, hf_oap_1_cmdcontrol_ackcnt, tvb, offset, 1, ENC_NA0x00000000, &ackcnt); | ||||||
| 1477 | offset += 1; | ||||||
| 1478 | |||||||
| 1479 | for (i = 0; i < ackcnt; i++) | ||||||
| 1480 | { | ||||||
| 1481 | offset = dof_dissect_pdu_as_field(dissect_2009_11_type_4, tvb, pinfo, opinfo_tree, | ||||||
| 1482 | offset, hf_oap_1_cmdcontrol_ack, ett_oap_1_cmdcontrol_ack, NULL((void*)0)); | ||||||
| 1483 | } | ||||||
| 1484 | } | ||||||
| 1485 | |||||||
| 1486 | if (flags & 0x40) | ||||||
| 1487 | { | ||||||
| 1488 | /* Cache Delay */ | ||||||
| 1489 | int cache_len; | ||||||
| 1490 | uint16_t cache; | ||||||
| 1491 | proto_item *pi; | ||||||
| 1492 | |||||||
| 1493 | read_c2(tvb, offset, &cache, &cache_len); | ||||||
| 1494 | pi = proto_tree_add_uint_format(opinfo_tree, hf_oap_1_cmdcontrol_cache, tvb, offset, cache_len, cache, "Cache Delay: %hu", cache); | ||||||
| 1495 | validate_c2(pinfo, pi, cache, cache_len); | ||||||
| 1496 | offset += cache_len; | ||||||
| 1497 | } | ||||||
| 1498 | |||||||
| 1499 | return offset; | ||||||
| 1500 | } | ||||||
| 1501 | |||||||
| 1502 | /** | ||||||
| 1503 | * Define an alias. This routine is called for each Provide operation that includes an alias assignment. | ||||||
| 1504 | * It is also called for retries of Provide operations. | ||||||
| 1505 | * The alias is defined for the duration of the Provide. This means that if the operation is cancelled | ||||||
| 1506 | * then the alias should no longer be valid. | ||||||
| 1507 | * The alias is associated with an oap_session, an dof_node, and the alias itself. Aliases | ||||||
| 1508 | * may be reused as long as the previous use has expired, and so the list is stored in reverse | ||||||
| 1509 | * order. | ||||||
| 1510 | * | ||||||
| 1511 | * NOTE: The alias is passed as a structure pointer, and must be reallocated if it is stored in | ||||||
| 1512 | * the hash. | ||||||
| 1513 | */ | ||||||
| 1514 | static void oap_1_define_alias(dof_api_data *api_data, uint32_t alias, oap_1_binding *binding) | ||||||
| 1515 | { | ||||||
| 1516 | /* The definer of an alias is the sender, in the session. */ | ||||||
| 1517 | dof_session_data *session = api_data->session; | ||||||
| 1518 | dof_packet_data *packet = (dof_packet_data *)api_data->packet; | ||||||
| 1519 | uint32_t session_id; | ||||||
| 1520 | uint32_t sender_id; | ||||||
| 1521 | oap_1_alias_key key; | ||||||
| 1522 | |||||||
| 1523 | if (!session) | ||||||
| 1524 | return; | ||||||
| 1525 | |||||||
| 1526 | session_id = session->session_id; | ||||||
| 1527 | sender_id = packet->sender_id; | ||||||
| 1528 | |||||||
| 1529 | if (!binding) | ||||||
| 1530 | return; | ||||||
| 1531 | |||||||
| 1532 | key.session = session_id; | ||||||
| 1533 | key.sender = sender_id; | ||||||
| 1534 | key.alias = alias; | ||||||
| 1535 | |||||||
| 1536 | /* If there isn't an entry for the alias, then we need to create one. | ||||||
| 1537 | * The first entry will be the binding we are defining. | ||||||
| 1538 | */ | ||||||
| 1539 | if (!g_hash_table_lookup(oap_1_alias_to_binding, &key)) | ||||||
| 1540 | { | ||||||
| 1541 | oap_1_alias_key *alias_ptr = wmem_new0(wmem_file_scope(), oap_1_alias_key)((oap_1_alias_key*)wmem_alloc0((wmem_file_scope()), sizeof(oap_1_alias_key ))); | ||||||
| 1542 | memcpy(alias_ptr, &key, sizeof(oap_1_alias_key)); | ||||||
| 1543 | g_hash_table_insert(oap_1_alias_to_binding, alias_ptr, binding); | ||||||
| 1544 | } | ||||||
| 1545 | } | ||||||
| 1546 | |||||||
| 1547 | /** | ||||||
| 1548 | * Given an oap_alias, resolve it to an oap_1_binding. This assumes that the destination of the | ||||||
| 1549 | * packet is the one that defined the alias. | ||||||
| 1550 | */ | ||||||
| 1551 | static oap_1_binding* oap_1_resolve_alias(oap_1_alias_key *key) | ||||||
| 1552 | { | ||||||
| 1553 | /* The first lookup is inside the session based on defining node. */ | ||||||
| 1554 | return (oap_1_binding *)g_hash_table_lookup(oap_1_alias_to_binding, key); | ||||||
| 1555 | } | ||||||
| 1556 | |||||||
| 1557 | /* DAP V128 (TEP - TICKET EXCHANGE PROTOCOL V1) */ | ||||||
| 1558 | #define DOF_PROTOCOL_TEP128 128 | ||||||
| 1559 | #define DSP_TEP_FAMILY0x000000 0x000000 | ||||||
| 1560 | static int proto_tep; | ||||||
| 1561 | static int proto_tep_dsp; | ||||||
| 1562 | |||||||
| 1563 | static int hf_dsp_option; | ||||||
| 1564 | |||||||
| 1565 | static int ett_tep_operation; | ||||||
| 1566 | static int hf_tep_operation; | ||||||
| 1567 | static int hf_tep_operation_type; | ||||||
| 1568 | static int hf_tep_opcode; | ||||||
| 1569 | static int hf_tep_k; | ||||||
| 1570 | static int hf_tep_c; | ||||||
| 1571 | static int hf_tep_reject_code; | ||||||
| 1572 | static int hf_tep_reject_data; | ||||||
| 1573 | |||||||
| 1574 | static const true_false_string tep_optype_vals = { "DPP Response", "DPP Command" }; | ||||||
| 1575 | |||||||
| 1576 | /* TEP.2.1 */ | ||||||
| 1577 | static int ett_tep_2_1_domain; | ||||||
| 1578 | static int hf_tep_2_1_domain; | ||||||
| 1579 | static int ett_tep_2_1_initiator_block; | ||||||
| 1580 | static int hf_tep_2_1_initiator_block; | ||||||
| 1581 | static int hf_tep_2_1_ticket_confirmation; | ||||||
| 1582 | |||||||
| 1583 | /* TEP.2.2 */ | ||||||
| 1584 | static int ett_tep_2_2_initiator_ticket; | ||||||
| 1585 | static int hf_tep_2_2_initiator_ticket; | ||||||
| 1586 | static int hf_tep_2_2_ticket_confirmation; | ||||||
| 1587 | static int ett_tep_2_2_responder_initialization; | ||||||
| 1588 | static int hf_tep_2_2_responder_initialization; | ||||||
| 1589 | static int ett_tep_2_2_responder_block; | ||||||
| 1590 | static int hf_tep_2_2_responder_block; | ||||||
| 1591 | static int ett_tep_2_2_authenticator_initialization; | ||||||
| 1592 | static int hf_tep_2_2_authenticator_initialization; | ||||||
| 1593 | |||||||
| 1594 | /* TEP.2.2.1 */ | ||||||
| 1595 | static int hf_tep_2_2_1_state_identifier; | ||||||
| 1596 | static int ett_tep_2_2_1_initial_state; | ||||||
| 1597 | static int hf_tep_2_2_1_initial_state; | ||||||
| 1598 | |||||||
| 1599 | static int hf_tep_session_key; | ||||||
| 1600 | |||||||
| 1601 | static int ett_tep_dsp; | ||||||
| 1602 | static int ett_tep_dsp_options; | ||||||
| 1603 | static int ett_tep; | ||||||
| 1604 | |||||||
| 1605 | #if 0 /* not used yet */ | ||||||
| 1606 | static const value_string tep_filter_existing[] = { | ||||||
| 1607 | { 1, "Include Existing Matches" }, | ||||||
| 1608 | { 0, "Exclude Existing Matches" }, | ||||||
| 1609 | { 0, NULL((void*)0) } | ||||||
| 1610 | }; | ||||||
| 1611 | #endif | ||||||
| 1612 | |||||||
| 1613 | #define TEP_OPCODE_RSP(0x80) (0x80) | ||||||
| 1614 | #define TEP_OPCODE_C(0x20) (0x20) | ||||||
| 1615 | #define TEP_OPCODE_K(0x10) (0x10) | ||||||
| 1616 | #define TEP_PDU_REJECT((0x80)|0) (TEP_OPCODE_RSP(0x80)|0) | ||||||
| 1617 | #define TEP_PDU_REQUEST(1) (1) | ||||||
| 1618 | #define TEP_PDU_END_SESSION(5) (5) | ||||||
| 1619 | #define TEP_PDU_SESSION_ENDING(6) (6) | ||||||
| 1620 | |||||||
| 1621 | #define TEP_PDU_REQUEST_KEY((0x10)|(1)) (TEP_OPCODE_K(0x10)|TEP_PDU_REQUEST(1)) | ||||||
| 1622 | #define TEP_PDU_CONFIRM((0x20)|(1)) (TEP_OPCODE_C(0x20)|TEP_PDU_REQUEST(1)) | ||||||
| 1623 | #define TEP_PDU_ACCEPT((0x80)|(1)) (TEP_OPCODE_RSP(0x80)|TEP_PDU_REQUEST(1)) | ||||||
| 1624 | #define TEP_PDU_CONFIRM_ACK((0x80)|(0x20)|(1)) (TEP_OPCODE_RSP(0x80)|TEP_OPCODE_C(0x20)|TEP_PDU_REQUEST(1)) | ||||||
| 1625 | |||||||
| 1626 | static const value_string tep_opcode_strings[] = { | ||||||
| 1627 | { TEP_PDU_REJECT((0x80)|0), "TEP Reject" }, | ||||||
| 1628 | { TEP_PDU_REQUEST(1), "TEP Request" }, | ||||||
| 1629 | { TEP_PDU_END_SESSION(5), "TEP End Session" }, | ||||||
| 1630 | { TEP_PDU_SESSION_ENDING(6), "TEP Session Ending" }, | ||||||
| 1631 | |||||||
| 1632 | { TEP_PDU_REQUEST_KEY((0x10)|(1)), "TEP Rekey" }, | ||||||
| 1633 | { TEP_PDU_CONFIRM((0x20)|(1)), "TEP Confirm" }, | ||||||
| 1634 | { TEP_PDU_ACCEPT((0x80)|(1)), "TEP Accept" }, | ||||||
| 1635 | { TEP_PDU_CONFIRM_ACK((0x80)|(0x20)|(1)), "TEP Confirm Ack" }, | ||||||
| 1636 | |||||||
| 1637 | { 0, NULL((void*)0) } | ||||||
| 1638 | }; | ||||||
| 1639 | |||||||
| 1640 | #if 0 /* not use yet */ | ||||||
| 1641 | static const value_string tep_error_strings[] = { | ||||||
| 1642 | { 1, "Parse Error" }, | ||||||
| 1643 | { 2, "Access Denied" }, | ||||||
| 1644 | { 3, "Duration Not Supported" }, | ||||||
| 1645 | { 4, "Authentication Failed" }, | ||||||
| 1646 | { 0, NULL((void*)0) } | ||||||
| 1647 | }; | ||||||
| 1648 | #endif | ||||||
| 1649 | |||||||
| 1650 | /* Initialized to zero. */ | ||||||
| 1651 | typedef struct tep_rekey_data | ||||||
| 1652 | { | ||||||
| 1653 | /* Stored from the K bit of the Request PDU. */ | ||||||
| 1654 | bool_Bool is_rekey; | ||||||
| 1655 | |||||||
| 1656 | /* Stored from the key request for non-secure rekeys. Otherwise 0 and NULL. */ | ||||||
| 1657 | unsigned domain_length; | ||||||
| 1658 | uint8_t *domain; | ||||||
| 1659 | |||||||
| 1660 | /* Stored from the identity of the Request PDU. Seasonal. */ | ||||||
| 1661 | uint8_t *i_identity; | ||||||
| 1662 | unsigned i_identity_length; | ||||||
| 1663 | |||||||
| 1664 | /* Stored from the nonce of the Request PDU. Seasonal. */ | ||||||
| 1665 | uint8_t *i_nonce; | ||||||
| 1666 | uint8_t i_nonce_length; | ||||||
| 1667 | |||||||
| 1668 | /* Stored from the identity of the Request response PDU. Seasonal. */ | ||||||
| 1669 | uint8_t *r_identity; | ||||||
| 1670 | unsigned r_identity_length; | ||||||
| 1671 | |||||||
| 1672 | /* Stored from the nonce of the Request response PDU. Seasonal. */ | ||||||
| 1673 | uint8_t *r_nonce; | ||||||
| 1674 | uint8_t r_nonce_length; | ||||||
| 1675 | |||||||
| 1676 | uint16_t security_mode; | ||||||
| 1677 | uint32_t security_mode_data_length; | ||||||
| 1678 | uint8_t *security_mode_data; | ||||||
| 1679 | |||||||
| 1680 | /* Security session data for this rekey, if is_rekey is true. */ | ||||||
| 1681 | dof_session_key_exchange_data *key_data; | ||||||
| 1682 | } tep_rekey_data; | ||||||
| 1683 | |||||||
| 1684 | /* DAP V129 (TRP - TICKET REQUEST PROTOCOL V2) */ | ||||||
| 1685 | #define DOF_PROTOCOL_TRP129 129 | ||||||
| 1686 | #define DSP_TRP_FAMILY0x030000 0x030000 | ||||||
| 1687 | typedef struct _trp_packet_data | ||||||
| 1688 | { | ||||||
| 1689 | uint8_t *domain; | ||||||
| 1690 | unsigned domain_length; | ||||||
| 1691 | uint8_t *identity; | ||||||
| 1692 | unsigned identity_length; | ||||||
| 1693 | uint8_t *group; | ||||||
| 1694 | unsigned group_length; | ||||||
| 1695 | uint8_t *block_I; | ||||||
| 1696 | unsigned block_I_length; | ||||||
| 1697 | uint8_t *secret; | ||||||
| 1698 | bool_Bool kek_known; | ||||||
| 1699 | } trp_packet_data; | ||||||
| 1700 | |||||||
| 1701 | |||||||
| 1702 | static int proto_trp; | ||||||
| 1703 | static int proto_trp_dsp; | ||||||
| 1704 | |||||||
| 1705 | static int hf_trp_dsp_option; | ||||||
| 1706 | |||||||
| 1707 | static int hf_trp_opcode; | ||||||
| 1708 | static int hf_domain; | ||||||
| 1709 | static int hf_identity_resolution; | ||||||
| 1710 | static int hf_initiator_request; | ||||||
| 1711 | static int hf_responder_request; | ||||||
| 1712 | static int hf_initiator_ticket; | ||||||
| 1713 | static int hf_responder_ticket; | ||||||
| 1714 | static int hf_authentication_block; | ||||||
| 1715 | static int hf_group_identifier; | ||||||
| 1716 | static int hf_node_identifier; | ||||||
| 1717 | static int hf_thb; | ||||||
| 1718 | static int hf_tmin; | ||||||
| 1719 | static int hf_tmax; | ||||||
| 1720 | static int hf_trp_epoch; | ||||||
| 1721 | static int hf_sidg; | ||||||
| 1722 | static int hf_security_scope; | ||||||
| 1723 | static int hf_security_mode; | ||||||
| 1724 | static int hf_ssid; | ||||||
| 1725 | #if 0 /* not used yet */ | ||||||
| 1726 | static int hf_initiator_pg; | ||||||
| 1727 | #endif | ||||||
| 1728 | static int hf_initiator_validation; | ||||||
| 1729 | static int hf_responder_pg; | ||||||
| 1730 | static int hf_responder_validation; | ||||||
| 1731 | |||||||
| 1732 | static int hf_trp_errorcode; | ||||||
| 1733 | static int hf_trp_duration; | ||||||
| 1734 | #if 0 /* not used yet */ | ||||||
| 1735 | static int hf_trp_rnonce; | ||||||
| 1736 | static int hf_trp_pnonce; | ||||||
| 1737 | static int hf_trp_reqid; | ||||||
| 1738 | static int hf_trp_provid; | ||||||
| 1739 | static int hf_trp_perm_count; | ||||||
| 1740 | static int hf_trp_perm_type; | ||||||
| 1741 | static int hf_trp_perm_rcache; | ||||||
| 1742 | static int hf_trp_perm_rsrp; | ||||||
| 1743 | static int hf_trp_perm_rsrp_a; | ||||||
| 1744 | static int hf_trp_perm_rsrp_u; | ||||||
| 1745 | static int hf_trp_perm_rflags; | ||||||
| 1746 | static int hf_trp_perm_pcache; | ||||||
| 1747 | static int hf_trp_perm_psrp; | ||||||
| 1748 | static int hf_trp_perm_psrp_a; | ||||||
| 1749 | static int hf_trp_perm_psrp_u; | ||||||
| 1750 | static int hf_trp_perm_psrp_b; | ||||||
| 1751 | static int hf_trp_perm_psrp_s; | ||||||
| 1752 | static int hf_trp_perm_pflags; | ||||||
| 1753 | static int hf_trp_confirmation; | ||||||
| 1754 | static int hf_trp_perm_pke; | ||||||
| 1755 | static int hf_trp_perm_pka; | ||||||
| 1756 | #endif | ||||||
| 1757 | |||||||
| 1758 | static int ett_trp_dsp; | ||||||
| 1759 | static int ett_trp; | ||||||
| 1760 | static int ett_domain; | ||||||
| 1761 | static int ett_identity_resolution; | ||||||
| 1762 | static int ett_initiator_request; | ||||||
| 1763 | static int ett_initiator_ticket; | ||||||
| 1764 | static int ett_responder_request; | ||||||
| 1765 | static int ett_responder_ticket; | ||||||
| 1766 | static int ett_authentication_block; | ||||||
| 1767 | static int ett_group_identifier; | ||||||
| 1768 | static int ett_node_identifier; | ||||||
| 1769 | static int ett_sidg; | ||||||
| 1770 | static int ett_security_scope; | ||||||
| 1771 | static int ett_security_mode; | ||||||
| 1772 | static int ett_initiator_pg; | ||||||
| 1773 | static int ett_initiator_validation; | ||||||
| 1774 | static int ett_responder_pg; | ||||||
| 1775 | static int ett_responder_validation; | ||||||
| 1776 | |||||||
| 1777 | |||||||
| 1778 | static int ett_trp_permset; | ||||||
| 1779 | static int ett_srp_flags; | ||||||
| 1780 | static int ett_trp_ticket; | ||||||
| 1781 | |||||||
| 1782 | static expert_field ei_trp_initiator_id_known; | ||||||
| 1783 | static expert_field ei_trp_kek_discovered; | ||||||
| 1784 | |||||||
| 1785 | #define TRP_RESPONSE(0x80) (0x80) | ||||||
| 1786 | |||||||
| 1787 | #define TRP_RSP_REJECT((0x80)|0) (TRP_RESPONSE(0x80)|0) | ||||||
| 1788 | #define TRP_CMD_REQUEST_KEK(1) (1) | ||||||
| 1789 | #define TRP_RSP_REQUEST_KEK((0x80)|(1)) (TRP_RESPONSE(0x80)|TRP_CMD_REQUEST_KEK(1)) | ||||||
| 1790 | #define TRP_CMD_REQUEST_RANDOM(2) (2) | ||||||
| 1791 | #define TRP_RSP_REQUEST_RANDOM((0x80)|(2)) (TRP_RESPONSE(0x80)|TRP_CMD_REQUEST_RANDOM(2)) | ||||||
| 1792 | #define TRP_CMD_REQUEST_SESSION(3) (3) | ||||||
| 1793 | #define TRP_RSP_REQUEST_SESSION((0x80)|(3)) (TRP_RESPONSE(0x80)|TRP_CMD_REQUEST_SESSION(3)) | ||||||
| 1794 | #define TRP_CMD_REQUEST_SECURITY_SCOPES(4) (4) | ||||||
| 1795 | #define TRP_RSP_REQUEST_SECURITY_SCOPES((0x80)|(4)) (TRP_RESPONSE(0x80)|TRP_CMD_REQUEST_SECURITY_SCOPES(4)) | ||||||
| 1796 | #define TRP_CMD_RESOLVE_CREDENTIAL(6) (6) | ||||||
| 1797 | #define TRP_RSP_RESOLVE_CREDENTIAL((0x80)|(6)) (TRP_RESPONSE(0x80)|TRP_CMD_RESOLVE_CREDENTIAL(6)) | ||||||
| 1798 | #define TRP_CMD_REQUEST_LOCAL_DOMAIN(7) (7) | ||||||
| 1799 | #define TRP_RSP_REQUEST_LOCAL_DOMAIN((0x80)|(7)) (TRP_RESPONSE(0x80)|TRP_CMD_REQUEST_LOCAL_DOMAIN(7)) | ||||||
| 1800 | #define TRP_CMD_REQUEST_REMOTE_DOMAIN(8) (8) | ||||||
| 1801 | #define TRP_RSP_REQUEST_REMOTE_DOMAIN((0x80)|(8)) (TRP_RESPONSE(0x80)|TRP_CMD_REQUEST_REMOTE_DOMAIN(8)) | ||||||
| 1802 | #define TRP_RSP_REQUEST_DISCOVERED_REMOTE_DOMAIN((0x80)|0x0A) (TRP_RESPONSE(0x80)|0x0A) | ||||||
| 1803 | #define TRP_CMD_VALIDATE_CREDENTIAL(9) (9) | ||||||
| 1804 | #define TRP_RSP_VALIDATE_CREDENTIAL((0x80)|(9)) (TRP_RESPONSE(0x80)|TRP_CMD_VALIDATE_CREDENTIAL(9)) | ||||||
| 1805 | |||||||
| 1806 | static const value_string trp_opcode_strings[] = { | ||||||
| 1807 | { TRP_RSP_REJECT((0x80)|0), "Reject" }, | ||||||
| 1808 | |||||||
| 1809 | { TRP_CMD_REQUEST_KEK(1), "TRP Request KEK" }, | ||||||
| 1810 | { TRP_RSP_REQUEST_KEK((0x80)|(1)), "TRP Request KEK Response" }, | ||||||
| 1811 | |||||||
| 1812 | { TRP_CMD_REQUEST_RANDOM(2), "TRP Request Random" }, | ||||||
| 1813 | { TRP_RSP_REQUEST_RANDOM((0x80)|(2)), "TRP Request Random Response" }, | ||||||
| 1814 | |||||||
| 1815 | { TRP_CMD_REQUEST_SESSION(3), "TRP Request Session" }, | ||||||
| 1816 | { TRP_RSP_REQUEST_SESSION((0x80)|(3)), "TRP Request Session Response" }, | ||||||
| 1817 | |||||||
| 1818 | { TRP_CMD_REQUEST_SECURITY_SCOPES(4), "TRP Request Security Scopes" }, | ||||||
| 1819 | { TRP_RSP_REQUEST_SECURITY_SCOPES((0x80)|(4)), "TRP Request Security Scopes Response" }, | ||||||
| 1820 | |||||||
| 1821 | { TRP_CMD_RESOLVE_CREDENTIAL(6), "TRP Resolve Credential" }, | ||||||
| 1822 | { TRP_RSP_RESOLVE_CREDENTIAL((0x80)|(6)), "TRP Resolve Credential Response" }, | ||||||
| 1823 | |||||||
| 1824 | { TRP_CMD_REQUEST_LOCAL_DOMAIN(7), "TRP Request Local Domain" }, | ||||||
| 1825 | { TRP_RSP_REQUEST_LOCAL_DOMAIN((0x80)|(7)), "TRP Request Local Domain Response" }, | ||||||
| 1826 | |||||||
| 1827 | { TRP_CMD_REQUEST_REMOTE_DOMAIN(8), "TRP Request Remote Domain" }, | ||||||
| 1828 | { TRP_RSP_REQUEST_REMOTE_DOMAIN((0x80)|(8)), "TRP Request Remote Domain Response" }, | ||||||
| 1829 | { TRP_RSP_REQUEST_DISCOVERED_REMOTE_DOMAIN((0x80)|0x0A), "TRP Request Discovered Remote Domain Response" }, | ||||||
| 1830 | |||||||
| 1831 | { TRP_CMD_VALIDATE_CREDENTIAL(9), "TRP Validate Credential" }, | ||||||
| 1832 | { TRP_RSP_VALIDATE_CREDENTIAL((0x80)|(9)), "TRP Validate Credential Response" }, | ||||||
| 1833 | |||||||
| 1834 | { 0, NULL((void*)0) } | ||||||
| 1835 | }; | ||||||
| 1836 | |||||||
| 1837 | static const value_string trp_error_strings[] = { | ||||||
| 1838 | { 1, "Parse Error" }, | ||||||
| 1839 | { 2, "Access Denied" }, | ||||||
| 1840 | { 3, "Unknown Initiator" }, | ||||||
| 1841 | { 4, "Unknown Responder" }, | ||||||
| 1842 | { 5, "Unknown Domain" }, | ||||||
| 1843 | { 6, "High Load" }, | ||||||
| 1844 | { 7, "Bad Mode" }, | ||||||
| 1845 | { 8, "Incompatible Security Identifiers" }, | ||||||
| 1846 | { 127, "Internal Error" }, | ||||||
| 1847 | |||||||
| 1848 | { 0, NULL((void*)0) } | ||||||
| 1849 | }; | ||||||
| 1850 | |||||||
| 1851 | /* DAP V130 (SGMP - SECURE GROUP MANAGEMENT PROTOCOL V1) */ | ||||||
| 1852 | #define DOF_PROTOCOL_SGMP130 130 | ||||||
| 1853 | typedef struct _sgmp_packet_data | ||||||
| 1854 | { | ||||||
| 1855 | unsigned domain_length; | ||||||
| 1856 | uint8_t *domain; | ||||||
| 1857 | |||||||
| 1858 | unsigned group_length; | ||||||
| 1859 | uint8_t *group; | ||||||
| 1860 | |||||||
| 1861 | uint16_t epoch; | ||||||
| 1862 | uint8_t *kek; | ||||||
| 1863 | |||||||
| 1864 | unsigned I_length; | ||||||
| 1865 | uint8_t *I; | ||||||
| 1866 | unsigned A_length; | ||||||
| 1867 | uint8_t *A; | ||||||
| 1868 | |||||||
| 1869 | dof_session_data *request_session; | ||||||
| 1870 | } sgmp_packet_data; | ||||||
| 1871 | |||||||
| 1872 | static int proto_sgmp; | ||||||
| 1873 | |||||||
| 1874 | static int hf_opcode; | ||||||
| 1875 | static int hf_sgmp_domain; | ||||||
| 1876 | static int hf_sgmp_epoch; | ||||||
| 1877 | static int hf_initiator_block; | ||||||
| 1878 | static int hf_sgmp_security_scope; | ||||||
| 1879 | static int hf_initial_state; | ||||||
| 1880 | static int hf_latest_version; | ||||||
| 1881 | static int hf_desire; | ||||||
| 1882 | static int hf_ticket; | ||||||
| 1883 | static int hf_sgmp_tmin; | ||||||
| 1884 | static int hf_tie_breaker; | ||||||
| 1885 | static int hf_delay; | ||||||
| 1886 | static int hf_key; | ||||||
| 1887 | |||||||
| 1888 | static int ett_sgmp; | ||||||
| 1889 | static int ett_sgmp_domain; | ||||||
| 1890 | static int ett_initiator_block; | ||||||
| 1891 | static int ett_sgmp_security_scope; | ||||||
| 1892 | static int ett_initial_state; | ||||||
| 1893 | static int ett_ticket; | ||||||
| 1894 | |||||||
| 1895 | #define SGMP_RESPONSE(0x80) (0x80) | ||||||
| 1896 | #define SGMP_CMD_HEARTBEAT(0) (0) | ||||||
| 1897 | #define SGMP_RSP_HEARTBEAT((0)|(0x80)) (SGMP_CMD_HEARTBEAT(0)|SGMP_RESPONSE(0x80)) | ||||||
| 1898 | #define SGMP_CMD_EPOCH_CHANGED(1) (1) | ||||||
| 1899 | #define SGMP_RSP_EPOCH_CHANGED((1)|(0x80)) (SGMP_CMD_EPOCH_CHANGED(1)|SGMP_RESPONSE(0x80)) | ||||||
| 1900 | #define SGMP_CMD_REKEY(2) (2) | ||||||
| 1901 | #define SGMP_RSP_REKEY((2)|(0x80)) (SGMP_CMD_REKEY(2)|SGMP_RESPONSE(0x80)) | ||||||
| 1902 | #define SGMP_CMD_REQUEST_GROUP(3) (3) | ||||||
| 1903 | #define SGMP_RSP_REQUEST_GROUP((3)|(0x80)) (SGMP_CMD_REQUEST_GROUP(3)|SGMP_RESPONSE(0x80)) | ||||||
| 1904 | #define SGMP_CMD_REKEY_EPOCH(5) (5) | ||||||
| 1905 | #define SGMP_RSP_REKEY_EPOCH((5)|(0x80)) (SGMP_CMD_REKEY_EPOCH(5)|SGMP_RESPONSE(0x80)) | ||||||
| 1906 | #define SGMP_CMD_REKEY_MERGE(7) (7) | ||||||
| 1907 | #define SGMP_RSP_REKEY_MERGE((7)|(0x80)) (SGMP_CMD_REKEY_MERGE(7)|SGMP_RESPONSE(0x80)) | ||||||
| 1908 | |||||||
| 1909 | static const value_string sgmp_opcode_strings[] = { | ||||||
| 1910 | { SGMP_CMD_HEARTBEAT(0), "SGMP Heartbeat" }, | ||||||
| 1911 | { SGMP_RSP_HEARTBEAT((0)|(0x80)), "SGMP Heartbeat Response (Illegal)" }, | ||||||
| 1912 | { SGMP_CMD_EPOCH_CHANGED(1), "SGMP Epoch Changed" }, | ||||||
| 1913 | { SGMP_RSP_EPOCH_CHANGED((1)|(0x80)), "SGMP Epoch Changed Response (Illegal)" }, | ||||||
| 1914 | { SGMP_CMD_REKEY(2), "SGMP Rekey" }, | ||||||
| 1915 | { SGMP_RSP_REKEY((2)|(0x80)), "SGMP Rekey Response (Illegal)" }, | ||||||
| 1916 | { SGMP_CMD_REQUEST_GROUP(3), "SGMP Request Group" }, | ||||||
| 1917 | { SGMP_RSP_REQUEST_GROUP((3)|(0x80)), "SGMP Request Group Response" }, | ||||||
| 1918 | { SGMP_CMD_REKEY_EPOCH(5), "SGMP Rekey Epoch" }, | ||||||
| 1919 | { SGMP_RSP_REKEY_EPOCH((5)|(0x80)), "SGMP Rekey Epoch Response (Illegal)" }, | ||||||
| 1920 | { SGMP_CMD_REKEY_MERGE(7), "SGMP Rekey Merge" }, | ||||||
| 1921 | { SGMP_RSP_REKEY_MERGE((7)|(0x80)), "SGMP Rekey Merge Response (Illegal)" }, | ||||||
| 1922 | |||||||
| 1923 | { 0, NULL((void*)0) } | ||||||
| 1924 | }; | ||||||
| 1925 | |||||||
| 1926 | |||||||
| 1927 | #if 0 /* TODO not used yet */ | ||||||
| 1928 | static bool_Bool sgmp_validate_session_key(sgmp_packet_data *cmd_data, uint8_t *confirmation, uint8_t *kek, uint8_t *key) | ||||||
| 1929 | { | ||||||
| 1930 | gcry_mac_hd_t hmac; | ||||||
| 1931 | gcry_error_t result; | ||||||
| 1932 | |||||||
| 1933 | result = gcry_mac_open(&hmac, GCRY_MAC_HMAC_SHA256, 0, NULL((void*)0)); | ||||||
| 1934 | if (result != 0) | ||||||
| 1935 | return false0; | ||||||
| 1936 | |||||||
| 1937 | gcry_mac_setkey(hmac, kek, 32); | ||||||
| 1938 | gcry_mac_write(hmac, cmd_data->I, cmd_data->I_length); | ||||||
| 1939 | gcry_mac_write(hmac, cmd_data->A, cmd_data->A_length); | ||||||
| 1940 | gcry_mac_write(hmac, key, 32); | ||||||
| 1941 | result = gcry_mac_verify(hmac, confirmation, sizeof(confirmation)); | ||||||
| 1942 | return result == 0; | ||||||
| 1943 | } | ||||||
| 1944 | #endif | ||||||
| 1945 | |||||||
| 1946 | /* DOF SECURITY PROTOCOL */ | ||||||
| 1947 | #define DOF_SECURITY_PROTOCOL"DOF Security Protocol" "DOF Security Protocol" | ||||||
| 1948 | static dissector_table_t dof_sec_dissectors; | ||||||
| 1949 | #define AS_ASSIGNED_SSID0x40000000 0x40000000 | ||||||
| 1950 | |||||||
| 1951 | /* DOFSEC Vxxxx (CCM - COUNTER WITH CBC-MAC PROTOCOL V1) */ | ||||||
| 1952 | #define DOF_PROTOCOL_CCM24577 24577 | ||||||
| 1953 | #define DSP_CCM_FAMILY0x020000 0x020000 | ||||||
| 1954 | |||||||
| 1955 | static int proto_ccm_app; | ||||||
| 1956 | static int proto_ccm; | ||||||
| 1957 | static int proto_ccm_dsp; | ||||||
| 1958 | |||||||
| 1959 | static int hf_ccm_dsp_option; | ||||||
| 1960 | static int hf_ccm_dsp_strength_count; | ||||||
| 1961 | static int hf_ccm_dsp_strength; | ||||||
| 1962 | static int hf_ccm_dsp_e_flag; | ||||||
| 1963 | static int hf_ccm_dsp_m_flag; | ||||||
| 1964 | static int hf_ccm_dsp_tmax; | ||||||
| 1965 | static int hf_ccm_dsp_tmin; | ||||||
| 1966 | |||||||
| 1967 | static const value_string ccm_strengths[] = { | ||||||
| 1968 | { 1, "256-bit" }, | ||||||
| 1969 | { 2, "192-bit" }, | ||||||
| 1970 | { 3, "128-bit" }, | ||||||
| 1971 | { 0, NULL((void*)0) } | ||||||
| 1972 | }; | ||||||
| 1973 | static int hf_ccm_opcode; | ||||||
| 1974 | |||||||
| 1975 | static int hf_epp_v1_ccm_flags; | ||||||
| 1976 | static int hf_epp_v1_ccm_flags_manager; | ||||||
| 1977 | static int hf_epp_v1_ccm_flags_period; | ||||||
| 1978 | static int hf_epp_v1_ccm_flags_target; | ||||||
| 1979 | static int hf_epp_v1_ccm_flags_next_nid; | ||||||
| 1980 | static int hf_epp_v1_ccm_flags_packet; | ||||||
| 1981 | static int hf_epp_v1_ccm_tnid; | ||||||
| 1982 | static int hf_epp_v1_ccm_nnid; | ||||||
| 1983 | static int hf_epp_v1_ccm_nid; | ||||||
| 1984 | static int hf_epp_v1_ccm_slot; | ||||||
| 1985 | static int hf_epp_v1_ccm_pn; | ||||||
| 1986 | |||||||
| 1987 | static int ett_header; | ||||||
| 1988 | static int ett_epp_v1_ccm_flags; | ||||||
| 1989 | |||||||
| 1990 | static int ett_ccm_dsp_option; | ||||||
| 1991 | static int ett_ccm_dsp; | ||||||
| 1992 | static int ett_ccm; | ||||||
| 1993 | |||||||
| 1994 | static expert_field ei_decode_failure; | ||||||
| 1995 | |||||||
| 1996 | typedef struct _ccm_session_data | ||||||
| 1997 | { | ||||||
| 1998 | unsigned protocol_id; | ||||||
| 1999 | gcry_cipher_hd_t cipher_data; | ||||||
| 2000 | GHashTable *cipher_data_table; | ||||||
| 2001 | /* Starts at 1, incrementing for each new key. */ | ||||||
| 2002 | uint32_t period; | ||||||
| 2003 | /* Mapping from wire period to absolute periods. */ | ||||||
| 2004 | uint32_t periods[8]; | ||||||
| 2005 | uint8_t cipher; | ||||||
| 2006 | bool_Bool encrypted; | ||||||
| 2007 | uint8_t mac_len; | ||||||
| 2008 | uint32_t client_datagram_number; | ||||||
| 2009 | uint32_t server_datagram_number; | ||||||
| 2010 | } ccm_session_data; | ||||||
| 2011 | |||||||
| 2012 | typedef struct _ccm_packet_data | ||||||
| 2013 | { | ||||||
| 2014 | uint32_t nid; | ||||||
| 2015 | uint32_t dn; | ||||||
| 2016 | uint32_t period; | ||||||
| 2017 | } ccm_packet_data; | ||||||
| 2018 | |||||||
| 2019 | /* The cipher handle is opaque, so the key bytes are kept for comparison. */ | ||||||
| 2020 | typedef struct _ccm_period_key | ||||||
| 2021 | { | ||||||
| 2022 | gcry_cipher_hd_t cipher; | ||||||
| 2023 | uint8_t key[32]; | ||||||
| 2024 | } ccm_period_key; | ||||||
| 2025 | |||||||
| 2026 | #define CCM_PDU_PROBE(0) (0) | ||||||
| 2027 | |||||||
| 2028 | static const value_string ccm_opcode_strings[] = { | ||||||
| 2029 | { CCM_PDU_PROBE(0), "Probe" }, | ||||||
| 2030 | { 0, NULL((void*)0) } | ||||||
| 2031 | }; | ||||||
| 2032 | |||||||
| 2033 | /* DOF OBJECT IDENTIFIER (OID) */ | ||||||
| 2034 | #define DOF_OBJECT_IDENTIFIER"DOF Object Identifier" "DOF Object Identifier" | ||||||
| 2035 | |||||||
| 2036 | static dissector_handle_t dof_oid_handle; | ||||||
| 2037 | |||||||
| 2038 | static int oid_proto = -1; | ||||||
| 2039 | |||||||
| 2040 | static int hf_oid_class; | ||||||
| 2041 | static int hf_oid_header; | ||||||
| 2042 | static int hf_oid_attribute; | ||||||
| 2043 | static int hf_oid_length; | ||||||
| 2044 | static int hf_oid_data; | ||||||
| 2045 | static int hf_oid_all_attribute_data; | ||||||
| 2046 | static int hf_oid_attribute_header; | ||||||
| 2047 | static int hf_oid_attribute_attribute; | ||||||
| 2048 | static int hf_oid_attribute_id; | ||||||
| 2049 | static int hf_oid_attribute_length; | ||||||
| 2050 | static int hf_oid_attribute_data; | ||||||
| 2051 | static int hf_oid_attribute_oid; | ||||||
| 2052 | |||||||
| 2053 | static int ett_oid; | ||||||
| 2054 | static int ett_oid_header; | ||||||
| 2055 | static int ett_oid_attribute; | ||||||
| 2056 | static int ett_oid_attribute_header; | ||||||
| 2057 | static int ett_oid_attribute_oid; | ||||||
| 2058 | |||||||
| 2059 | /** | ||||||
| 2060 | * EXPERT INFOS | ||||||
| 2061 | * Expert infos are related to either a PDU type or a specification, and so | ||||||
| 2062 | * they are listed separately. | ||||||
| 2063 | */ | ||||||
| 2064 | #if 0 | ||||||
| 2065 | static expert_field ei_undecoded; | ||||||
| 2066 | #endif | ||||||
| 2067 | static expert_field ei_malformed; | ||||||
| 2068 | static expert_field ei_implicit_no_op; | ||||||
| 2069 | static expert_field ei_c2_c3_c4_format; | ||||||
| 2070 | static expert_field ei_type_4_header_zero; | ||||||
| 2071 | static expert_field ei_dof_10_flags_zero; | ||||||
| 2072 | static expert_field ei_dof_dnp_length_short; | ||||||
| 2073 | #if 0 | ||||||
| 2074 | static expert_field ei_dof_13_length_specified; | ||||||
| 2075 | #endif | ||||||
| 2076 | |||||||
| 2077 | static expert_field ei_dpp2_dof_10_flags_zero; | ||||||
| 2078 | static expert_field ei_dpp_default_flags; | ||||||
| 2079 | static expert_field ei_dpp_explicit_sender_sid_included; | ||||||
| 2080 | static expert_field ei_dpp_explicit_receiver_sid_included; | ||||||
| 2081 | static expert_field ei_dpp_no_security_context; | ||||||
| 2082 | static expert_field ei_dof_6_timeout; | ||||||
| 2083 | |||||||
| 2084 | static expert_field ei_security_3_1_invalid_stage; | ||||||
| 2085 | static expert_field ei_security_4_invalid_bit; | ||||||
| 2086 | static expert_field ei_security_13_out_of_range; | ||||||
| 2087 | |||||||
| 2088 | /** | ||||||
| 2089 | * SOURCE IDENTIFIER (SID) SUPPORT | ||||||
| 2090 | * Source identifiers are used as part of operation tracking in the | ||||||
| 2091 | * DOF Protocol Stack. They are version independent, and associated with | ||||||
| 2092 | * a node in the DOF mesh network. Each session is associated with a SID. | ||||||
| 2093 | * | ||||||
| 2094 | * DPP Manages the SID information, since it is DPP that learns about SIDs. | ||||||
| 2095 | * SIDs are complicated because the can be 'unknown' for periods, and then | ||||||
| 2096 | * learned later. The requirement here is that all SIDs that can be known | ||||||
| 2097 | * are known by the second pass of the dissector (pinfo->visited != 0). | ||||||
| 2098 | * | ||||||
| 2099 | * There are two hash tables to map to an actual SID. The first goes | ||||||
| 2100 | * from sender information to SID ID. During the first pass multiple SID ID | ||||||
| 2101 | * may actually refer to the same SID, and so the system must be able to "patch" | ||||||
| 2102 | * these values as actual SIDs are learned. The second hash table goes from SID ID | ||||||
| 2103 | * to actual SID. This lookup is only known after a real SID has been learned. | ||||||
| 2104 | * | ||||||
| 2105 | * The hash tables are used in order to look up full SID information when only | ||||||
| 2106 | * partial information is known, and must support looking up in both directions | ||||||
| 2107 | * based on what is known from a particular PDU. | ||||||
| 2108 | */ | ||||||
| 2109 | static GHashTable *node_key_to_sid_id; | ||||||
| 2110 | static GHashTable *sid_buffer_to_sid_id; | ||||||
| 2111 | static GHashTable *sid_id_to_sid_buffer; | ||||||
| 2112 | /* sid_id -> GSList of packets that store that id. Avoids scanning every DOF packet. */ | ||||||
| 2113 | static GHashTable *sid_id_to_packets; | ||||||
| 2114 | |||||||
| 2115 | typedef struct _node_key_to_sid_id_key | ||||||
| 2116 | { | ||||||
| 2117 | int transport_id; | ||||||
| 2118 | int transport_node_id; | ||||||
| 2119 | int dof_id; | ||||||
| 2120 | int dof_node_id; | ||||||
| 2121 | int dof_session_id; | ||||||
| 2122 | } node_key_to_sid_id_key; | ||||||
| 2123 | |||||||
| 2124 | static unsigned sender_key_hash_fn(const void *key) | ||||||
| 2125 | { | ||||||
| 2126 | const node_key_to_sid_id_key *sid_key_ptr = (const node_key_to_sid_id_key *)key; | ||||||
| 2127 | unsigned result = 0; | ||||||
| 2128 | |||||||
| 2129 | result += g_int_hash(&(sid_key_ptr->transport_id)); | ||||||
| 2130 | result += g_int_hash(&(sid_key_ptr->transport_node_id)); | ||||||
| 2131 | result += g_int_hash(&(sid_key_ptr->dof_id)); | ||||||
| 2132 | result += g_int_hash(&(sid_key_ptr->dof_node_id)); | ||||||
| 2133 | result += g_int_hash(&(sid_key_ptr->dof_session_id)); | ||||||
| 2134 | |||||||
| 2135 | return result; | ||||||
| 2136 | } | ||||||
| 2137 | |||||||
| 2138 | static unsigned sid_buffer_hash_fn(const void *key) | ||||||
| 2139 | { | ||||||
| 2140 | /* The sid buffer is a length byte followed by data. */ | ||||||
| 2141 | unsigned hash = 5381; | ||||||
| 2142 | const uint8_t *str = (const uint8_t *)key; | ||||||
| 2143 | uint16_t i; | ||||||
| 2144 | |||||||
| 2145 | for (i = 0; i <= str[0]; i++) | ||||||
| 2146 | hash = ((hash << 5) + hash) + str[i]; /* hash * 33 + c */ | ||||||
| 2147 | |||||||
| 2148 | return hash; | ||||||
| 2149 | } | ||||||
| 2150 | |||||||
| 2151 | static gboolean sender_key_equal_fn(const void *key1, const void *key2) | ||||||
| 2152 | { | ||||||
| 2153 | const node_key_to_sid_id_key *sid_key_ptr1 = (const node_key_to_sid_id_key *)key1; | ||||||
| 2154 | const node_key_to_sid_id_key *sid_key_ptr2 = (const node_key_to_sid_id_key *)key2; | ||||||
| 2155 | |||||||
| 2156 | if (sid_key_ptr1->transport_id != sid_key_ptr2->transport_id) | ||||||
| 2157 | return FALSE(0); | ||||||
| 2158 | |||||||
| 2159 | if (sid_key_ptr1->transport_node_id != sid_key_ptr2->transport_node_id) | ||||||
| 2160 | return FALSE(0); | ||||||
| 2161 | |||||||
| 2162 | if (sid_key_ptr1->dof_id != sid_key_ptr2->dof_id) | ||||||
| 2163 | return FALSE(0); | ||||||
| 2164 | |||||||
| 2165 | if (sid_key_ptr1->dof_node_id != sid_key_ptr2->dof_node_id) | ||||||
| 2166 | return FALSE(0); | ||||||
| 2167 | |||||||
| 2168 | if (sid_key_ptr1->dof_session_id != sid_key_ptr2->dof_session_id) | ||||||
| 2169 | return FALSE(0); | ||||||
| 2170 | |||||||
| 2171 | return TRUE(!(0)); | ||||||
| 2172 | } | ||||||
| 2173 | |||||||
| 2174 | static gboolean sid_buffer_equal_fn(const void *key1, const void *key2) | ||||||
| 2175 | { | ||||||
| 2176 | const uint8_t *sb1 = (const uint8_t *)key1; | ||||||
| 2177 | const uint8_t *sb2 = (const uint8_t *)key2; | ||||||
| 2178 | |||||||
| 2179 | if (sb1[0] != sb2[0]) | ||||||
| 2180 | return FALSE(0); | ||||||
| 2181 | |||||||
| 2182 | return memcmp(sb1 + 1, sb2 + 1, sb1[0]) == 0; | ||||||
| 2183 | } | ||||||
| 2184 | |||||||
| 2185 | static unsigned dpp_next_sid_id = 1; | ||||||
| 2186 | |||||||
| 2187 | /** | ||||||
| 2188 | * This routine is called for each reset (file load, capture) and is responsible | ||||||
| 2189 | * for allocating the SID support hash tables. Previous information is freed | ||||||
| 2190 | * if needed. | ||||||
| 2191 | */ | ||||||
| 2192 | static void dpp_reset_sid_support(void) | ||||||
| 2193 | { | ||||||
| 2194 | dpp_next_sid_id = 1; | ||||||
| 2195 | |||||||
| 2196 | if (node_key_to_sid_id != NULL((void*)0)) | ||||||
| 2197 | { | ||||||
| 2198 | g_hash_table_destroy(node_key_to_sid_id); | ||||||
| 2199 | node_key_to_sid_id = NULL((void*)0); | ||||||
| 2200 | } | ||||||
| 2201 | |||||||
| 2202 | if (sid_buffer_to_sid_id != NULL((void*)0)) | ||||||
| 2203 | { | ||||||
| 2204 | g_hash_table_destroy(sid_buffer_to_sid_id); | ||||||
| 2205 | sid_buffer_to_sid_id = NULL((void*)0); | ||||||
| 2206 | } | ||||||
| 2207 | |||||||
| 2208 | if (sid_id_to_sid_buffer != NULL((void*)0)) | ||||||
| 2209 | { | ||||||
| 2210 | g_hash_table_destroy(sid_id_to_sid_buffer); | ||||||
| 2211 | sid_id_to_sid_buffer = NULL((void*)0); | ||||||
| 2212 | } | ||||||
| 2213 | |||||||
| 2214 | if (sid_id_to_packets != NULL((void*)0)) | ||||||
| 2215 | { | ||||||
| 2216 | g_hash_table_destroy(sid_id_to_packets); | ||||||
| 2217 | sid_id_to_packets = NULL((void*)0); | ||||||
| 2218 | } | ||||||
| 2219 | |||||||
| 2220 | /* The value is not allocated, so does not need to be freed. */ | ||||||
| 2221 | node_key_to_sid_id = g_hash_table_new_full(sender_key_hash_fn, sender_key_equal_fn, g_free, NULL((void*)0)); | ||||||
| 2222 | sid_buffer_to_sid_id = g_hash_table_new_full(sid_buffer_hash_fn, sid_buffer_equal_fn, g_free, NULL((void*)0)); | ||||||
| 2223 | sid_id_to_sid_buffer = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL((void*)0), NULL((void*)0)); | ||||||
| 2224 | sid_id_to_packets = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL((void*)0), (GDestroyNotify)g_slist_free); | ||||||
| 2225 | } | ||||||
| 2226 | |||||||
| 2227 | /** | ||||||
| 2228 | * OPERATION IDENTIFIER SUPPORT | ||||||
| 2229 | * Operation identifiers are an extension of a SID, and represent each separate | ||||||
| 2230 | * operation in the DOF. They are identified by a SID and an operation count. | ||||||
| 2231 | * Like SIDs, they are independent of version (at least in meaning, the formatting | ||||||
| 2232 | * may change). | ||||||
| 2233 | * | ||||||
| 2234 | * The hash is used to look up common operation information each time an operation | ||||||
| 2235 | * is seen in any packet. | ||||||
| 2236 | */ | ||||||
| 2237 | static GHashTable *dpp_opid_to_packet_data; | ||||||
| 2238 | |||||||
| 2239 | static unsigned dpp_opid_hash_fn(const void *opid) | ||||||
| 2240 | { | ||||||
| 2241 | const dof_2009_1_pdu_20_opid *ptr = (const dof_2009_1_pdu_20_opid *)opid; | ||||||
| 2242 | return g_int_hash(&ptr->op_sid_id) + g_int_hash(&ptr->op_cnt); | ||||||
| 2243 | } | ||||||
| 2244 | |||||||
| 2245 | static gboolean dpp_opid_equal_fn(const void *opid1, const void *opid2) | ||||||
| 2246 | { | ||||||
| 2247 | const dof_2009_1_pdu_20_opid *ptr1 = (const dof_2009_1_pdu_20_opid *)opid1; | ||||||
| 2248 | const dof_2009_1_pdu_20_opid *ptr2 = (const dof_2009_1_pdu_20_opid *)opid2; | ||||||
| 2249 | if (ptr1->op_cnt != ptr2->op_cnt) | ||||||
| 2250 | return FALSE(0); | ||||||
| 2251 | if (ptr1->op_sid_id != ptr2->op_sid_id) | ||||||
| 2252 | return FALSE(0); | ||||||
| 2253 | |||||||
| 2254 | return TRUE(!(0)); | ||||||
| 2255 | } | ||||||
| 2256 | |||||||
| 2257 | static void dpp_reset_opid_support(void) | ||||||
| 2258 | { | ||||||
| 2259 | if (dpp_opid_to_packet_data != NULL((void*)0)) | ||||||
| 2260 | { | ||||||
| 2261 | /* Clear it out. Note that this calls the destroy functions for each element. */ | ||||||
| 2262 | g_hash_table_destroy(dpp_opid_to_packet_data); | ||||||
| 2263 | dpp_opid_to_packet_data = NULL((void*)0); | ||||||
| 2264 | } | ||||||
| 2265 | |||||||
| 2266 | dpp_opid_to_packet_data = g_hash_table_new_full(dpp_opid_hash_fn, dpp_opid_equal_fn, NULL((void*)0), NULL((void*)0)); | ||||||
| 2267 | } | ||||||
| 2268 | |||||||
| 2269 | /** | ||||||
| 2270 | * NON-SECURE SESSION LOOKUP SUPPORT | ||||||
| 2271 | */ | ||||||
| 2272 | static GHashTable *dof_ns_session_lookup; | ||||||
| 2273 | |||||||
| 2274 | /** | ||||||
| 2275 | * NON-SECURE DPS SESSION | ||||||
| 2276 | * This is defined by the transport session and the DNP port information. | ||||||
| 2277 | */ | ||||||
| 2278 | typedef struct _dof_ns_session_key | ||||||
| 2279 | { | ||||||
| 2280 | unsigned transport_session_id; | ||||||
| 2281 | unsigned client; | ||||||
| 2282 | unsigned server; | ||||||
| 2283 | bool_Bool is_secure; | ||||||
| 2284 | } dof_ns_session_key; | ||||||
| 2285 | |||||||
| 2286 | static dof_session_data* dof_ns_session_retrieve(unsigned transport_session_id, unsigned client, unsigned server) | ||||||
| 2287 | { | ||||||
| 2288 | dof_ns_session_key lookup_key; | ||||||
| 2289 | dof_session_data *value; | ||||||
| 2290 | |||||||
| 2291 | /* Build a (non-allocated) key to do the lookup. */ | ||||||
| 2292 | lookup_key.transport_session_id = transport_session_id; | ||||||
| 2293 | lookup_key.client = client; | ||||||
| 2294 | lookup_key.server = server; | ||||||
| 2295 | |||||||
| 2296 | value = (dof_session_data *)g_hash_table_lookup(dof_ns_session_lookup, &lookup_key); | ||||||
| 2297 | if (value) | ||||||
| 2298 | { | ||||||
| 2299 | /* We found a match. */ | ||||||
| 2300 | return value; | ||||||
| 2301 | } | ||||||
| 2302 | |||||||
| 2303 | return NULL((void*)0); | ||||||
| 2304 | } | ||||||
| 2305 | |||||||
| 2306 | static void dof_ns_session_define(unsigned transport_session_id, unsigned client, unsigned server, dof_session_data *session_data) | ||||||
| 2307 | { | ||||||
| 2308 | dof_ns_session_key *key; | ||||||
| 2309 | |||||||
| 2310 | /* No match, need to add a key. */ | ||||||
| 2311 | key = g_new0(dof_ns_session_key, 1)((dof_ns_session_key *) g_malloc0_n ((1), sizeof (dof_ns_session_key ))); | ||||||
| 2312 | key->transport_session_id = transport_session_id; | ||||||
| 2313 | key->client = client; | ||||||
| 2314 | key->server = server; | ||||||
| 2315 | |||||||
| 2316 | /* Note, this is not multithread safe, but Wireshark isn't multithreaded. */ | ||||||
| 2317 | g_hash_table_insert(dof_ns_session_lookup, key, session_data); | ||||||
| 2318 | } | ||||||
| 2319 | |||||||
| 2320 | /* COMMON PDU DISSECTORS */ | ||||||
| 2321 | |||||||
| 2322 | /* Security.1 */ | ||||||
| 2323 | static int hf_security_1_permission_type; | ||||||
| 2324 | static int hf_security_1_length; | ||||||
| 2325 | static int hf_security_1_data; | ||||||
| 2326 | |||||||
| 2327 | static const value_string dof_2008_16_permission_type[] = { | ||||||
| 2328 | { 1, "Binding" }, | ||||||
| 2329 | { 3, "IAM" }, | ||||||
| 2330 | { 5, "ACTAS" }, | ||||||
| 2331 | { 128, "Requestor" }, | ||||||
| 2332 | { 130, "Provider" }, | ||||||
| 2333 | { 131, "Define" }, | ||||||
| 2334 | { 133, "Tunnel Domain" }, | ||||||
| 2335 | { 0, NULL((void*)0) } | ||||||
| 2336 | }; | ||||||
| 2337 | |||||||
| 2338 | /* Security.2 */ | ||||||
| 2339 | static int hf_security_2_count; | ||||||
| 2340 | static int ett_security_2_permission; | ||||||
| 2341 | static int hf_security_2_permission; | ||||||
| 2342 | |||||||
| 2343 | /* Security.3.1 */ | ||||||
| 2344 | static int hf_security_3_1_credential_type; | ||||||
| 2345 | static int hf_security_3_1_stage; | ||||||
| 2346 | static int ett_security_3_1_security_node_identifier; | ||||||
| 2347 | static int hf_security_3_1_security_node_identifier; | ||||||
| 2348 | |||||||
| 2349 | /* Security.3.2 */ | ||||||
| 2350 | static int hf_security_3_2_credential_type; | ||||||
| 2351 | static int hf_security_3_2_stage; | ||||||
| 2352 | static int hf_security_3_2_length; | ||||||
| 2353 | static int hf_security_3_2_public_data; | ||||||
| 2354 | |||||||
| 2355 | /* Security.4 */ | ||||||
| 2356 | static int hf_security_4_l; | ||||||
| 2357 | static int hf_security_4_f; | ||||||
| 2358 | static int hf_security_4_ln; | ||||||
| 2359 | static int ett_security_4_identity; | ||||||
| 2360 | static int hf_security_4_identity; | ||||||
| 2361 | static int hf_security_4_nonce; | ||||||
| 2362 | static int ett_security_4_permission_set; | ||||||
| 2363 | static int hf_security_4_permission_set; | ||||||
| 2364 | |||||||
| 2365 | /* Security.5 */ | ||||||
| 2366 | static int hf_security_5_mac; | ||||||
| 2367 | static int hf_security_5_key; | ||||||
| 2368 | |||||||
| 2369 | /* Security.6.1 */ | ||||||
| 2370 | static int hf_security_6_1_desired_duration; | ||||||
| 2371 | static int ett_security_6_1_desired_security_mode; | ||||||
| 2372 | static int hf_security_6_1_desired_security_mode; | ||||||
| 2373 | static int ett_security_6_1_initiator_request; | ||||||
| 2374 | static int hf_security_6_1_initiator_request; | ||||||
| 2375 | |||||||
| 2376 | /* Security.6.2 */ | ||||||
| 2377 | static int ett_security_6_2_responder_request; | ||||||
| 2378 | static int hf_security_6_2_responder_request; | ||||||
| 2379 | |||||||
| 2380 | /* Security.6.3 */ | ||||||
| 2381 | static int hf_security_6_3_granted_duration; | ||||||
| 2382 | static int ett_security_6_3_session_security_scope; | ||||||
| 2383 | static int hf_security_6_3_session_security_scope; | ||||||
| 2384 | static int ett_security_6_3_initiator_validation; | ||||||
| 2385 | static int hf_security_6_3_initiator_validation; | ||||||
| 2386 | static int ett_security_6_3_responder_validation; | ||||||
| 2387 | static int hf_security_6_3_responder_validation; | ||||||
| 2388 | |||||||
| 2389 | /* Security.9 */ | ||||||
| 2390 | static int hf_security_9_length; | ||||||
| 2391 | static int hf_security_9_initial_state; | ||||||
| 2392 | |||||||
| 2393 | /* Security.10 */ | ||||||
| 2394 | static int hf_security_10_count; | ||||||
| 2395 | static int hf_security_10_permission_group_identifier; | ||||||
| 2396 | |||||||
| 2397 | /* Security.11 */ | ||||||
| 2398 | static int hf_security_11_count; | ||||||
| 2399 | static int ett_security_11_permission_security_scope; | ||||||
| 2400 | static int hf_security_11_permission_security_scope; | ||||||
| 2401 | |||||||
| 2402 | /* Security.12 */ | ||||||
| 2403 | static int hf_security_12_m; | ||||||
| 2404 | |||||||
| 2405 | static const value_string dof_2008_16_security_12_m[] = { | ||||||
| 2406 | { 0, "Reference" }, | ||||||
| 2407 | { 1, "Relative" }, | ||||||
| 2408 | { 2, "Absolute" }, | ||||||
| 2409 | { 3, "Continued" }, | ||||||
| 2410 | { 0, NULL((void*)0) } | ||||||
| 2411 | }; | ||||||
| 2412 | |||||||
| 2413 | static int hf_security_12_count; | ||||||
| 2414 | static int hf_security_12_permission_group_identifier; | ||||||
| 2415 | |||||||
| 2416 | static bool_Bool | ||||||
| 2417 | dof_sessions_destroy_cb(wmem_allocator_t *allocator _U___attribute__((unused)), wmem_cb_event_t event _U___attribute__((unused)), void *user_data) | ||||||
| 2418 | { | ||||||
| 2419 | ccm_session_data *ccm_data = (ccm_session_data*) user_data; | ||||||
| 2420 | if (ccm_data->cipher_data) | ||||||
| 2421 | gcry_cipher_close(ccm_data->cipher_data); | ||||||
| 2422 | if (ccm_data->cipher_data_table) { | ||||||
| 2423 | g_hash_table_destroy(ccm_data->cipher_data_table); | ||||||
| 2424 | } | ||||||
| 2425 | /* unregister this callback */ | ||||||
| 2426 | return false0; | ||||||
| 2427 | } | ||||||
| 2428 | |||||||
| 2429 | static void dof_cipher_data_destroy (void *data) | ||||||
| 2430 | { | ||||||
| 2431 | ccm_period_key *period_key = (ccm_period_key *)data; | ||||||
| 2432 | |||||||
| 2433 | if (period_key->cipher) | ||||||
| 2434 | gcry_cipher_close(period_key->cipher); | ||||||
| 2435 | g_free(period_key)(__builtin_object_size ((period_key), 0) != ((size_t) - 1)) ? g_free_sized (period_key, __builtin_object_size ((period_key ), 0)) : (g_free) (period_key); | ||||||
| 2436 | } | ||||||
| 2437 | |||||||
| 2438 | static ccm_period_key *ccm_period_key_new(const uint8_t *session_key) | ||||||
| 2439 | { | ||||||
| 2440 | ccm_period_key *pk = g_new0(ccm_period_key, 1)((ccm_period_key *) g_malloc0_n ((1), sizeof (ccm_period_key) )); | ||||||
| 2441 | |||||||
| 2442 | if (gcry_cipher_open(&pk->cipher, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_ECB, 0)) | ||||||
| 2443 | { | ||||||
| 2444 | g_free(pk)(__builtin_object_size ((pk), 0) != ((size_t) - 1)) ? g_free_sized (pk, __builtin_object_size ((pk), 0)) : (g_free) (pk); | ||||||
| 2445 | return NULL((void*)0); | ||||||
| 2446 | } | ||||||
| 2447 | if (gcry_cipher_setkey(pk->cipher, session_key, 32)) | ||||||
| 2448 | { | ||||||
| 2449 | gcry_cipher_close(pk->cipher); | ||||||
| 2450 | g_free(pk)(__builtin_object_size ((pk), 0) != ((size_t) - 1)) ? g_free_sized (pk, __builtin_object_size ((pk), 0)) : (g_free) (pk); | ||||||
| 2451 | return NULL((void*)0); | ||||||
| 2452 | } | ||||||
| 2453 | memcpy(pk->key, session_key, 32); | ||||||
| 2454 | return pk; | ||||||
| 2455 | } | ||||||
| 2456 | |||||||
| 2457 | static int dissect_2008_1_dsp_1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) | ||||||
| 2458 | { | ||||||
| 2459 | proto_item *parent = proto_tree_get_parent(tree); | ||||||
| 2460 | uint8_t attribute_code = tvb_get_uint8(tvb, 0); | ||||||
| 2461 | uint16_t attribute_data = tvb_get_ntohs(tvb, 1); | ||||||
| 2462 | uint8_t option_length = tvb_get_uint8(tvb, 3); | ||||||
| 2463 | |||||||
| 2464 | /* Add the generic representation of the fields. */ | ||||||
| 2465 | proto_tree_add_item(tree, hf_2008_1_dsp_attribute_code, tvb, 0, 1, ENC_NA0x00000000); | ||||||
| 2466 | proto_tree_add_item(tree, hf_2008_1_dsp_attribute_data, tvb, 1, 2, ENC_BIG_ENDIAN0x00000000); | ||||||
| 2467 | proto_tree_add_item(tree, hf_2008_1_dsp_value_length, tvb, 3, 1, ENC_NA0x00000000); | ||||||
| 2468 | |||||||
| 2469 | /* Append description to the parent. */ | ||||||
| 2470 | proto_item_append_text(parent, " (Code=%s/Data=0x%04x)", val_to_str(pinfo->pool, attribute_code, strings_2008_1_dsp_attribute_codes, "%u"), attribute_data); | ||||||
| 2471 | |||||||
| 2472 | if (option_length) | ||||||
| 2473 | { | ||||||
| 2474 | proto_tree_add_item(tree, hf_2008_1_dsp_value_data, tvb, 4, option_length, ENC_NA0x00000000); | ||||||
| 2475 | |||||||
| 2476 | /* call the next dissector */ | ||||||
| 2477 | tvb_set_reported_length(tvb, option_length + 4); | ||||||
| 2478 | dissector_try_uint(dsp_option_dissectors, (attribute_code << 16) | attribute_data, tvb, pinfo, tree); | ||||||
| 2479 | } | ||||||
| 2480 | return option_length + 4; | ||||||
| 2481 | } | ||||||
| 2482 | |||||||
| 2483 | /** | ||||||
| 2484 | * Security.1: Permission. This is the base type for | ||||||
| 2485 | * permissions, and supports extension. | ||||||
| 2486 | */ | ||||||
| 2487 | static int dissect_2008_16_security_1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 2488 | { | ||||||
| 2489 | unsigned offset = 0; | ||||||
| 2490 | bool_Bool has_length; | ||||||
| 2491 | uint16_t length; | ||||||
| 2492 | |||||||
| 2493 | /* Permission Type */ | ||||||
| 2494 | { | ||||||
| 2495 | int start = offset; | ||||||
| 2496 | uint16_t value; | ||||||
| 2497 | int val_len; | ||||||
| 2498 | proto_item *pi; | ||||||
| 2499 | offset = read_c2(tvb, offset, &value, &val_len); | ||||||
| 2500 | has_length = (bool_Bool)(value % 2); | ||||||
| 2501 | pi = proto_tree_add_uint(tree, hf_security_1_permission_type, tvb, start, offset - start, value); | ||||||
| 2502 | validate_c2(pinfo, pi, value, val_len); | ||||||
| 2503 | } | ||||||
| 2504 | |||||||
| 2505 | if (!has_length) | ||||||
| 2506 | return offset; | ||||||
| 2507 | |||||||
| 2508 | /* Length */ | ||||||
| 2509 | { | ||||||
| 2510 | int start = offset; | ||||||
| 2511 | uint16_t value; | ||||||
| 2512 | int value_len; | ||||||
| 2513 | proto_item *pi; | ||||||
| 2514 | offset = read_c2(tvb, offset, &value, &value_len); | ||||||
| 2515 | length = value; | ||||||
| 2516 | pi = proto_tree_add_uint(tree, hf_security_1_length, tvb, start, offset - start, value); | ||||||
| 2517 | validate_c2(pinfo, pi, value, value_len); | ||||||
| 2518 | } | ||||||
| 2519 | |||||||
| 2520 | /* Data */ | ||||||
| 2521 | proto_tree_add_item(tree, hf_security_1_data, tvb, offset, length, ENC_NA0x00000000); | ||||||
| 2522 | offset += length; | ||||||
| 2523 | |||||||
| 2524 | return offset; | ||||||
| 2525 | } | ||||||
| 2526 | |||||||
| 2527 | /** | ||||||
| 2528 | * Security.2: Permission Request. | ||||||
| 2529 | */ | ||||||
| 2530 | static int dissect_2008_16_security_2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 2531 | { | ||||||
| 2532 | unsigned offset = 0; | ||||||
| 2533 | uint16_t count; | ||||||
| 2534 | |||||||
| 2535 | /* Count */ | ||||||
| 2536 | { | ||||||
| 2537 | int start = offset; | ||||||
| 2538 | uint16_t value; | ||||||
| 2539 | int length; | ||||||
| 2540 | proto_item *pi; | ||||||
| 2541 | offset = read_c2(tvb, offset, &value, &length); | ||||||
| 2542 | count = value; | ||||||
| 2543 | pi = proto_tree_add_uint(tree, hf_security_2_count, tvb, start, offset - start, value); | ||||||
| 2544 | validate_c2(pinfo, pi, value, length); | ||||||
| 2545 | } | ||||||
| 2546 | |||||||
| 2547 | while (count--) | ||||||
| 2548 | { | ||||||
| 2549 | proto_item *ti = proto_tree_add_item(tree, hf_security_2_permission, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 2550 | proto_tree *subtree = proto_item_add_subtree(ti, ett_security_2_permission); | ||||||
| 2551 | tvbuff_t *next_tvb = tvb_new_subset_remaining(tvb, offset); | ||||||
| 2552 | int len = dissect_2008_16_security_1(next_tvb, pinfo, subtree, NULL((void*)0)); | ||||||
| 2553 | proto_item_set_len(ti, len); | ||||||
| 2554 | offset += len; | ||||||
| 2555 | } | ||||||
| 2556 | |||||||
| 2557 | return offset; | ||||||
| 2558 | } | ||||||
| 2559 | |||||||
| 2560 | /** | ||||||
| 2561 | * Security.3.1: Base Credential Format. | ||||||
| 2562 | * Returns: dof_2008_16_security_3_1 | ||||||
| 2563 | */ | ||||||
| 2564 | static int dissect_2008_16_security_3_1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 2565 | { | ||||||
| 2566 | unsigned offset = 0; | ||||||
| 2567 | uint8_t stage; | ||||||
| 2568 | proto_item *ti; | ||||||
| 2569 | dof_2008_16_security_3_1 *return_data = (dof_2008_16_security_3_1 *)data; | ||||||
| 2570 | |||||||
| 2571 | /* Credential Type */ | ||||||
| 2572 | { | ||||||
| 2573 | int start = offset; | ||||||
| 2574 | uint16_t value; | ||||||
| 2575 | int length; | ||||||
| 2576 | proto_item *pi; | ||||||
| 2577 | offset = read_c2(tvb, offset, &value, &length); | ||||||
| 2578 | pi = proto_tree_add_uint(tree, hf_security_3_1_credential_type, tvb, start, offset - start, value); | ||||||
| 2579 | validate_c2(pinfo, pi, value, length); | ||||||
| 2580 | } | ||||||
| 2581 | |||||||
| 2582 | /* Stage */ | ||||||
| 2583 | ti = proto_tree_add_item_ret_uint8(tree, hf_security_3_1_stage, tvb, offset, 1, ENC_NA0x00000000, &stage); | ||||||
| 2584 | offset += 1; | ||||||
| 2585 | |||||||
| 2586 | if (stage != 0) | ||||||
| 2587 | expert_add_info(pinfo, ti, &ei_security_3_1_invalid_stage); | ||||||
| 2588 | |||||||
| 2589 | /* Security Node Identifier */ | ||||||
| 2590 | { | ||||||
| 2591 | int block_length; | ||||||
| 2592 | tvbuff_t *start = tvb_new_subset_remaining(tvb, offset); | ||||||
| 2593 | proto_tree *subtree; | ||||||
| 2594 | ti = proto_tree_add_item(tree, hf_security_3_1_security_node_identifier, tvb, offset, 0, ENC_NA0x00000000); | ||||||
| 2595 | subtree = proto_item_add_subtree(ti, ett_security_3_1_security_node_identifier); | ||||||
| 2596 | block_length = dissect_2008_16_security_8(start, pinfo, subtree, NULL((void*)0)); | ||||||
| 2597 | proto_item_set_len(ti, block_length); | ||||||
| 2598 | offset += block_length; | ||||||
| 2599 | tvb_set_reported_length(start, block_length); | ||||||
| 2600 | if (return_data) | ||||||
| 2601 | return_data->identity = start; | ||||||
| 2602 | } | ||||||
| 2603 | |||||||
| 2604 | return offset; | ||||||
| 2605 | } | ||||||
| 2606 | |||||||
| 2607 | /** | ||||||
| 2608 | * Security.3.2: Identity Resolution. | ||||||
| 2609 | */ | ||||||
| 2610 | int dissect_2008_16_security_3_2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 2611 | { | ||||||
| 2612 | unsigned offset = 0; | ||||||
| 2613 | uint16_t length; | ||||||
| 2614 | |||||||
| 2615 | /* Credential Type */ | ||||||
| 2616 | { | ||||||
| 2617 | int start = offset; | ||||||
| 2618 | uint16_t value; | ||||||
| 2619 | int val_len; | ||||||
| 2620 | proto_item *pi; | ||||||
| 2621 | offset = read_c2(tvb, offset, &value, &val_len); | ||||||
| 2622 | pi = proto_tree_add_uint(tree, hf_security_3_2_credential_type, tvb, start, offset - start, value); | ||||||
| 2623 | validate_c2(pinfo, pi, value, val_len); | ||||||
| 2624 | } | ||||||
| 2625 | |||||||
| 2626 | /* Stage */ | ||||||
| 2627 | proto_tree_add_item(tree, hf_security_3_2_stage, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 2628 | offset += 1; | ||||||
| 2629 | |||||||
| 2630 | /* Length */ | ||||||
| 2631 | { | ||||||
| 2632 | int start = offset; | ||||||
| 2633 | uint16_t value; | ||||||
| 2634 | int value_len; | ||||||
| 2635 | proto_item *pi; | ||||||
| 2636 | offset = read_c2(tvb, offset, &value, &value_len); | ||||||
| 2637 | length = value; | ||||||
| 2638 | pi = proto_tree_add_uint(tree, hf_security_3_2_length, tvb, start, offset - start, value); | ||||||
| 2639 | validate_c2(pinfo, pi, value, value_len); | ||||||
| 2640 | } | ||||||
| 2641 | |||||||
| 2642 | /* Public Data */ | ||||||
| 2643 | proto_tree_add_item(tree, hf_security_3_2_public_data, tvb, offset, length, ENC_NA0x00000000); | ||||||
| 2644 | offset += length; | ||||||
| 2645 | |||||||
| 2646 | return offset; | ||||||
| 2647 | } | ||||||
| 2648 | |||||||
| 2649 | /** | ||||||
| 2650 | * Security.4: Key Request. Returns: dof_2008_16_security_4 | ||||||
| 2651 | */ | ||||||
| 2652 | static int dissect_2008_16_security_4(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 2653 | { | ||||||
| 2654 | unsigned offset = 0; | ||||||
| 2655 | uint8_t flag; | ||||||
| 2656 | dof_2008_16_security_4 *return_data = (dof_2008_16_security_4 *)data; | ||||||
| 2657 | |||||||
| 2658 | flag = tvb_get_uint8(tvb, offset); | ||||||
| 2659 | if (flag & 0x30) | ||||||
| 2660 | expert_add_info(pinfo, tree, &ei_security_4_invalid_bit); | ||||||
| 2661 | |||||||
| 2662 | proto_tree_add_item(tree, hf_security_4_l, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 2663 | proto_tree_add_item(tree, hf_security_4_f, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 2664 | proto_tree_add_item(tree, hf_security_4_ln, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 2665 | offset += 1; | ||||||
| 2666 | |||||||
| 2667 | { | ||||||
| 2668 | int block_length; | ||||||
| 2669 | tvbuff_t *start = tvb_new_subset_remaining(tvb, offset); | ||||||
| 2670 | proto_item *ti; | ||||||
| 2671 | proto_tree *subtree; | ||||||
| 2672 | dof_2008_16_security_3_1 return_3_1; | ||||||
| 2673 | |||||||
| 2674 | ti = proto_tree_add_item(tree, hf_security_4_identity, tvb, offset, 0, ENC_NA0x00000000); | ||||||
| 2675 | subtree = proto_item_add_subtree(ti, ett_security_4_identity); | ||||||
| 2676 | |||||||
| 2677 | block_length = dissect_2008_16_security_3_1(start, pinfo, subtree, &return_3_1); | ||||||
| 2678 | proto_item_set_len(ti, block_length); | ||||||
| 2679 | offset += block_length; | ||||||
| 2680 | if (return_data) | ||||||
| 2681 | { | ||||||
| 2682 | return_data->identity = return_3_1.identity; | ||||||
| 2683 | } | ||||||
| 2684 | } | ||||||
| 2685 | |||||||
| 2686 | { | ||||||
| 2687 | tvbuff_t *start = tvb_new_subset_length(tvb, offset, (flag & 0x0F) + 1); | ||||||
| 2688 | if (return_data) | ||||||
| 2689 | return_data->nonce = start; | ||||||
| 2690 | |||||||
| 2691 | proto_tree_add_item(tree, hf_security_4_nonce, start, 0, (flag & 0x0F) + 1, ENC_NA0x00000000); | ||||||
| 2692 | offset += (flag & 0x0F) + 1; | ||||||
| 2693 | } | ||||||
| 2694 | |||||||
| 2695 | { | ||||||
| 2696 | int block_length; | ||||||
| 2697 | tvbuff_t *start = tvb_new_subset_remaining(tvb, offset); | ||||||
| 2698 | proto_item *ti; | ||||||
| 2699 | proto_tree *subtree; | ||||||
| 2700 | |||||||
| 2701 | ti = proto_tree_add_item(tree, hf_security_4_permission_set, tvb, offset, 0, ENC_NA0x00000000); | ||||||
| 2702 | subtree = proto_item_add_subtree(ti, ett_security_4_permission_set); | ||||||
| 2703 | block_length = dissect_2008_16_security_2(start, pinfo, subtree, NULL((void*)0)); | ||||||
| 2704 | proto_item_set_len(ti, block_length); | ||||||
| 2705 | offset += block_length; | ||||||
| 2706 | } | ||||||
| 2707 | |||||||
| 2708 | return offset; | ||||||
| 2709 | } | ||||||
| 2710 | |||||||
| 2711 | /** | ||||||
| 2712 | * Security.5: Key Grant. | ||||||
| 2713 | */ | ||||||
| 2714 | static int dissect_2008_16_security_5(tvbuff_t *tvb, packet_info *pinfo _U___attribute__((unused)), proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 2715 | { | ||||||
| 2716 | unsigned offset = 0; | ||||||
| 2717 | |||||||
| 2718 | proto_tree_add_item(tree, hf_security_5_mac, tvb, offset, 32, ENC_NA0x00000000); | ||||||
| 2719 | offset += 32; | ||||||
| 2720 | |||||||
| 2721 | proto_tree_add_item(tree, hf_security_5_key, tvb, offset, 32, ENC_NA0x00000000); | ||||||
| 2722 | offset += 32; | ||||||
| 2723 | |||||||
| 2724 | return offset; | ||||||
| 2725 | } | ||||||
| 2726 | |||||||
| 2727 | /** | ||||||
| 2728 | * Security.6.1: Session Initiator Block. | ||||||
| 2729 | * Returns dof_2008_16_security_6_1 | ||||||
| 2730 | */ | ||||||
| 2731 | static int dissect_2008_16_security_6_1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 2732 | { | ||||||
| 2733 | unsigned offset = 0; | ||||||
| 2734 | |||||||
| 2735 | /* Allocate the return structure. */ | ||||||
| 2736 | dof_2008_16_security_6_1 *return_data = (dof_2008_16_security_6_1 *)data; | ||||||
| 2737 | |||||||
| 2738 | /* Desired Duration */ | ||||||
| 2739 | proto_tree_add_item(tree, hf_security_6_1_desired_duration, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 2740 | offset += 1; | ||||||
| 2741 | |||||||
| 2742 | /* Desired Security Mode */ | ||||||
| 2743 | { | ||||||
| 2744 | int block_length; | ||||||
| 2745 | tvbuff_t *start = tvb_new_subset_remaining(tvb, offset); | ||||||
| 2746 | proto_item *ti; | ||||||
| 2747 | proto_tree *subtree; | ||||||
| 2748 | |||||||
| 2749 | ti = proto_tree_add_item(tree, hf_security_6_1_desired_security_mode, tvb, offset, 0, ENC_NA0x00000000); | ||||||
| 2750 | subtree = proto_item_add_subtree(ti, ett_security_6_1_desired_security_mode); | ||||||
| 2751 | |||||||
| 2752 | block_length = dissect_2008_16_security_13(start, pinfo, subtree, NULL((void*)0)); | ||||||
| 2753 | offset += block_length; | ||||||
| 2754 | tvb_set_reported_length(start, block_length); | ||||||
| 2755 | proto_item_set_len(ti, block_length); | ||||||
| 2756 | |||||||
| 2757 | if (return_data) | ||||||
| 2758 | { | ||||||
| 2759 | return_data->security_mode = tvb_get_ntohs(start, 1); | ||||||
| 2760 | return_data->security_mode_data_length = block_length - 4; | ||||||
| 2761 | return_data->security_mode_data = (uint8_t *)tvb_memdup(wmem_file_scope(), start, 4, block_length - 4); | ||||||
| 2762 | } | ||||||
| 2763 | } | ||||||
| 2764 | |||||||
| 2765 | /* Initiator Request */ | ||||||
| 2766 | { | ||||||
| 2767 | int block_length; | ||||||
| 2768 | dof_2008_16_security_4 output; | ||||||
| 2769 | tvbuff_t *start = tvb_new_subset_remaining(tvb, offset); | ||||||
| 2770 | proto_item *ti; | ||||||
| 2771 | proto_tree *subtree; | ||||||
| 2772 | |||||||
| 2773 | ti = proto_tree_add_item(tree, hf_security_6_1_initiator_request, tvb, offset, 0, ENC_NA0x00000000); | ||||||
| 2774 | subtree = proto_item_add_subtree(ti, ett_security_6_1_initiator_request); | ||||||
| 2775 | |||||||
| 2776 | block_length = dissect_2008_16_security_4(start, pinfo, subtree, &output); | ||||||
| 2777 | proto_item_set_len(ti, block_length); | ||||||
| 2778 | offset += block_length; | ||||||
| 2779 | if (return_data) | ||||||
| 2780 | { | ||||||
| 2781 | return_data->i_identity = output.identity; | ||||||
| 2782 | return_data->i_nonce = output.nonce; | ||||||
| 2783 | } | ||||||
| 2784 | } | ||||||
| 2785 | |||||||
| 2786 | return offset; | ||||||
| 2787 | } | ||||||
| 2788 | |||||||
| 2789 | /** | ||||||
| 2790 | * Security.6.2: Session Responder Block. | ||||||
| 2791 | * Returns dof_2008_16_security_6_2 | ||||||
| 2792 | */ | ||||||
| 2793 | static int dissect_2008_16_security_6_2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 2794 | { | ||||||
| 2795 | unsigned offset = 0; | ||||||
| 2796 | dof_2008_16_security_6_2 *return_data = (dof_2008_16_security_6_2 *)data; | ||||||
| 2797 | |||||||
| 2798 | /* Responder Request */ | ||||||
| 2799 | { | ||||||
| 2800 | int block_length; | ||||||
| 2801 | dof_2008_16_security_4 output; | ||||||
| 2802 | tvbuff_t *start = tvb_new_subset_remaining(tvb, offset); | ||||||
| 2803 | proto_item *ti; | ||||||
| 2804 | proto_tree *subtree; | ||||||
| 2805 | |||||||
| 2806 | ti = proto_tree_add_item(tree, hf_security_6_2_responder_request, tvb, offset, 0, ENC_NA0x00000000); | ||||||
| 2807 | subtree = proto_item_add_subtree(ti, ett_security_6_2_responder_request); | ||||||
| 2808 | |||||||
| 2809 | block_length = dissect_2008_16_security_4(start, pinfo, subtree, &output); | ||||||
| 2810 | proto_item_set_len(ti, block_length); | ||||||
| 2811 | offset += block_length; | ||||||
| 2812 | if (return_data) | ||||||
| 2813 | { | ||||||
| 2814 | return_data->r_identity = output.identity; | ||||||
| 2815 | return_data->r_nonce = output.nonce; | ||||||
| 2816 | } | ||||||
| 2817 | } | ||||||
| 2818 | |||||||
| 2819 | return offset; | ||||||
| 2820 | } | ||||||
| 2821 | |||||||
| 2822 | /** | ||||||
| 2823 | * Security.6.3: Authentication Response Block. | ||||||
| 2824 | */ | ||||||
| 2825 | static int dissect_2008_16_security_6_3(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 2826 | { | ||||||
| 2827 | unsigned offset = 0; | ||||||
| 2828 | |||||||
| 2829 | /* Granted Duration */ | ||||||
| 2830 | proto_tree_add_item(tree, hf_security_6_3_granted_duration, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 2831 | offset += 1; | ||||||
| 2832 | |||||||
| 2833 | /* Session Security Scope */ | ||||||
| 2834 | { | ||||||
| 2835 | int block_length; | ||||||
| 2836 | tvbuff_t *start = tvb_new_subset_remaining(tvb, offset); | ||||||
| 2837 | proto_item *ti; | ||||||
| 2838 | proto_tree *subtree; | ||||||
| 2839 | |||||||
| 2840 | ti = proto_tree_add_item(tree, hf_security_6_3_session_security_scope, tvb, offset, 0, ENC_NA0x00000000); | ||||||
| 2841 | subtree = proto_item_add_subtree(ti, ett_security_6_3_session_security_scope); | ||||||
| 2842 | block_length = dissect_2008_16_security_10(start, pinfo, subtree, NULL((void*)0)); | ||||||
| 2843 | proto_item_set_len(ti, block_length); | ||||||
| 2844 | offset += block_length; | ||||||
| 2845 | } | ||||||
| 2846 | |||||||
| 2847 | /* Initiator Validation */ | ||||||
| 2848 | { | ||||||
| 2849 | int block_length; | ||||||
| 2850 | tvbuff_t *start = tvb_new_subset_remaining(tvb, offset); | ||||||
| 2851 | proto_item *ti; | ||||||
| 2852 | proto_tree *subtree; | ||||||
| 2853 | |||||||
| 2854 | ti = proto_tree_add_item(tree, hf_security_6_3_initiator_validation, tvb, offset, 0, ENC_NA0x00000000); | ||||||
| 2855 | subtree = proto_item_add_subtree(ti, ett_security_6_3_initiator_validation); | ||||||
| 2856 | block_length = dissect_2008_16_security_11(start, pinfo, subtree, NULL((void*)0)); | ||||||
| 2857 | proto_item_set_len(ti, block_length); | ||||||
| 2858 | offset += block_length; | ||||||
| 2859 | } | ||||||
| 2860 | |||||||
| 2861 | /* Responder Validation */ | ||||||
| 2862 | { | ||||||
| 2863 | int block_length; | ||||||
| 2864 | tvbuff_t *start = tvb_new_subset_remaining(tvb, offset); | ||||||
| 2865 | proto_item *ti; | ||||||
| 2866 | proto_tree *subtree; | ||||||
| 2867 | |||||||
| 2868 | ti = proto_tree_add_item(tree, hf_security_6_3_responder_validation, tvb, offset, 0, ENC_NA0x00000000); | ||||||
| 2869 | subtree = proto_item_add_subtree(ti, ett_security_6_3_responder_validation); | ||||||
| 2870 | block_length = dissect_2008_16_security_11(start, pinfo, subtree, NULL((void*)0)); | ||||||
| 2871 | proto_item_set_len(ti, block_length); | ||||||
| 2872 | offset += block_length; | ||||||
| 2873 | } | ||||||
| 2874 | |||||||
| 2875 | return offset; | ||||||
| 2876 | } | ||||||
| 2877 | |||||||
| 2878 | /** | ||||||
| 2879 | * Security.7: Security Domain. | ||||||
| 2880 | */ | ||||||
| 2881 | static int dissect_2008_16_security_7(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 2882 | { | ||||||
| 2883 | /* Parse the base type. */ | ||||||
| 2884 | int block_length; | ||||||
| 2885 | |||||||
| 2886 | block_length = dissect_2009_11_type_4(tvb, pinfo, tree, NULL((void*)0)); | ||||||
| 2887 | |||||||
| 2888 | return block_length; | ||||||
| 2889 | } | ||||||
| 2890 | |||||||
| 2891 | /** | ||||||
| 2892 | * Security.8: Security Node Identifier. | ||||||
| 2893 | */ | ||||||
| 2894 | static int dissect_2008_16_security_8(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 2895 | { | ||||||
| 2896 | /* Parse the base type. */ | ||||||
| 2897 | int block_length; | ||||||
| 2898 | |||||||
| 2899 | block_length = dissect_2009_11_type_4(tvb, pinfo, tree, NULL((void*)0)); | ||||||
| 2900 | |||||||
| 2901 | return block_length; | ||||||
| 2902 | } | ||||||
| 2903 | |||||||
| 2904 | /** | ||||||
| 2905 | * Security.9: Security Mode of Operation Initialization. | ||||||
| 2906 | * If the packet info has knowledge of the active security mode | ||||||
| 2907 | * of operation then this datagram can be further decoded. | ||||||
| 2908 | */ | ||||||
| 2909 | static int dissect_2008_16_security_9(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 2910 | { | ||||||
| 2911 | unsigned offset = 0; | ||||||
| 2912 | uint16_t length; | ||||||
| 2913 | |||||||
| 2914 | /* Length */ | ||||||
| 2915 | { | ||||||
| 2916 | int start = offset; | ||||||
| 2917 | uint16_t value; | ||||||
| 2918 | int value_len; | ||||||
| 2919 | proto_item *pi; | ||||||
| 2920 | offset = read_c2(tvb, offset, &value, &value_len); | ||||||
| 2921 | length = value; | ||||||
| 2922 | pi = proto_tree_add_uint(tree, hf_security_9_length, tvb, start, offset - start, value); | ||||||
| 2923 | validate_c2(pinfo, pi, value, value_len); | ||||||
| 2924 | } | ||||||
| 2925 | |||||||
| 2926 | if (length > 0) | ||||||
| 2927 | { | ||||||
| 2928 | proto_tree_add_item(tree, hf_security_9_initial_state, tvb, offset, length, ENC_NA0x00000000); | ||||||
| 2929 | offset += length; | ||||||
| 2930 | } | ||||||
| 2931 | |||||||
| 2932 | return offset; | ||||||
| 2933 | } | ||||||
| 2934 | |||||||
| 2935 | /** | ||||||
| 2936 | * Security.10: Security Scope. | ||||||
| 2937 | */ | ||||||
| 2938 | static int dissect_2008_16_security_10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 2939 | { | ||||||
| 2940 | unsigned offset = 0; | ||||||
| 2941 | uint16_t count; | ||||||
| 2942 | |||||||
| 2943 | /* Count */ | ||||||
| 2944 | { | ||||||
| 2945 | int start = offset; | ||||||
| 2946 | uint16_t value; | ||||||
| 2947 | int length; | ||||||
| 2948 | proto_item *pi; | ||||||
| 2949 | offset = read_c2(tvb, offset, &value, &length); | ||||||
| 2950 | count = value; | ||||||
| 2951 | pi = proto_tree_add_uint(tree, hf_security_10_count, tvb, start, offset - start, value); | ||||||
| 2952 | validate_c2(pinfo, pi, value, length); | ||||||
| 2953 | } | ||||||
| 2954 | |||||||
| 2955 | while (count--) | ||||||
| 2956 | { | ||||||
| 2957 | const char *def = ""; | ||||||
| 2958 | |||||||
| 2959 | int start = offset; | ||||||
| 2960 | uint32_t value; | ||||||
| 2961 | int length; | ||||||
| 2962 | proto_item *pi; | ||||||
| 2963 | |||||||
| 2964 | offset = read_c4(tvb, offset, &value, &length); | ||||||
| 2965 | |||||||
| 2966 | switch (value) | ||||||
| 2967 | { | ||||||
| 2968 | case 0x3FFFFFFF: | ||||||
| 2969 | def = " (all scopes)"; | ||||||
| 2970 | break; | ||||||
| 2971 | case 0x3FFFFFFE: | ||||||
| 2972 | def = " (doesn't mask)"; | ||||||
| 2973 | break; | ||||||
| 2974 | case 0x3FFFFFFD: | ||||||
| 2975 | def = " (session scope)"; | ||||||
| 2976 | break; | ||||||
| 2977 | } | ||||||
| 2978 | |||||||
| 2979 | pi = proto_tree_add_uint_format_value(tree, hf_security_10_permission_group_identifier, tvb, start, offset - start, value, "%u%s", value, def); | ||||||
| 2980 | validate_c4(pinfo, pi, value, length); | ||||||
| 2981 | } | ||||||
| 2982 | |||||||
| 2983 | return offset; | ||||||
| 2984 | } | ||||||
| 2985 | |||||||
| 2986 | /** | ||||||
| 2987 | * Security.11: Permission Validation. | ||||||
| 2988 | */ | ||||||
| 2989 | static int dissect_2008_16_security_11(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 2990 | { | ||||||
| 2991 | unsigned offset = 0; | ||||||
| 2992 | uint16_t count; | ||||||
| 2993 | |||||||
| 2994 | /* Count */ | ||||||
| 2995 | { | ||||||
| 2996 | int start = offset; | ||||||
| 2997 | uint16_t value; | ||||||
| 2998 | int length; | ||||||
| 2999 | proto_item *pi; | ||||||
| 3000 | offset = read_c2(tvb, offset, &value, &length); | ||||||
| 3001 | count = value; | ||||||
| 3002 | pi = proto_tree_add_uint(tree, hf_security_11_count, tvb, start, offset - start, value); | ||||||
| 3003 | validate_c2(pinfo, pi, value, length); | ||||||
| 3004 | } | ||||||
| 3005 | |||||||
| 3006 | while (count--) | ||||||
| 3007 | { | ||||||
| 3008 | proto_item *ti = proto_tree_add_item(tree, hf_security_11_permission_security_scope, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 3009 | proto_tree *subtree = proto_item_add_subtree(ti, ett_security_11_permission_security_scope); | ||||||
| 3010 | tvbuff_t *next_tvb = tvb_new_subset_remaining(tvb, offset); | ||||||
| 3011 | int len; | ||||||
| 3012 | len = dissect_2008_16_security_12(next_tvb, pinfo, subtree, NULL((void*)0)); | ||||||
| 3013 | proto_item_set_len(ti, len); | ||||||
| 3014 | offset += len; | ||||||
| 3015 | } | ||||||
| 3016 | |||||||
| 3017 | return offset; | ||||||
| 3018 | } | ||||||
| 3019 | |||||||
| 3020 | /** | ||||||
| 3021 | * Security.12: Permission Security Scope. | ||||||
| 3022 | */ | ||||||
| 3023 | static int dissect_2008_16_security_12(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 3024 | { | ||||||
| 3025 | unsigned offset = 0; | ||||||
| 3026 | uint8_t m = tvb_get_uint8(tvb, offset) >> 6; | ||||||
| 3027 | uint16_t count = tvb_get_uint8(tvb, offset) & 0x3F; | ||||||
| 3028 | proto_item *pi; | ||||||
| 3029 | |||||||
| 3030 | proto_tree_add_item(tree, hf_security_12_m, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 3031 | proto_tree_add_item(tree, hf_security_12_count, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 3032 | offset += 1; | ||||||
| 3033 | |||||||
| 3034 | if (m == 0) | ||||||
| 3035 | return offset; | ||||||
| 3036 | |||||||
| 3037 | while (count--) | ||||||
| 3038 | { | ||||||
| 3039 | const char *def = ""; | ||||||
| 3040 | |||||||
| 3041 | int start = offset; | ||||||
| 3042 | uint32_t value; | ||||||
| 3043 | int length; | ||||||
| 3044 | offset = read_c4(tvb, offset, &value, &length); | ||||||
| 3045 | |||||||
| 3046 | switch (value) | ||||||
| 3047 | { | ||||||
| 3048 | case 0x3FFFFFFF: | ||||||
| 3049 | def = " (all scopes)"; | ||||||
| 3050 | break; | ||||||
| 3051 | case 0x3FFFFFFE: | ||||||
| 3052 | def = " (doesn't mask)"; | ||||||
| 3053 | break; | ||||||
| 3054 | case 0x3FFFFFFD: | ||||||
| 3055 | def = " (session scope)"; | ||||||
| 3056 | break; | ||||||
| 3057 | } | ||||||
| 3058 | |||||||
| 3059 | pi = proto_tree_add_uint_format_value(tree, hf_security_12_permission_group_identifier, tvb, start, offset - start, value, "%u%s", value, def); | ||||||
| 3060 | validate_c4(pinfo, pi, value, length); | ||||||
| 3061 | } | ||||||
| 3062 | |||||||
| 3063 | return offset; | ||||||
| 3064 | } | ||||||
| 3065 | |||||||
| 3066 | /** | ||||||
| 3067 | * Security.13: Security Mode of Operation Negotiation. | ||||||
| 3068 | */ | ||||||
| 3069 | static int dissect_2008_16_security_13(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 3070 | { | ||||||
| 3071 | /* Parse the base type. */ | ||||||
| 3072 | int block_length; | ||||||
| 3073 | uint16_t attribute_data; | ||||||
| 3074 | |||||||
| 3075 | /* TODO: Skipping this first byte means that no other encryption modes can be supported. */ | ||||||
| 3076 | attribute_data = tvb_get_ntohs(tvb, 1); | ||||||
| 3077 | if (attribute_data < 0x6000 || attribute_data >= 0x7000) | ||||||
| 3078 | expert_add_info(pinfo, tree, &ei_security_13_out_of_range); | ||||||
| 3079 | |||||||
| 3080 | block_length = dissect_2008_1_dsp_1(tvb, pinfo, tree); | ||||||
| 3081 | |||||||
| 3082 | return block_length; | ||||||
| 3083 | } | ||||||
| 3084 | |||||||
| 3085 | /** | ||||||
| 3086 | * Dissects a buffer that is pointing at an OID. | ||||||
| 3087 | * Adds a subtree with detailed information about the fields of | ||||||
| 3088 | * the OID, | ||||||
| 3089 | * returns the length of the OID, | ||||||
| 3090 | * and appends text to the tree (really a tree item) that is | ||||||
| 3091 | * passed in that gives a more accurate description of the OID. | ||||||
| 3092 | * Note that the tree already shows the bytes of the OID, so if | ||||||
| 3093 | * no additional information can be displayed then it should not | ||||||
| 3094 | * be. | ||||||
| 3095 | * | ||||||
| 3096 | * If 'tree' is NULL then just return the length. | ||||||
| 3097 | */ | ||||||
| 3098 | // NOLINTNEXTLINE(misc-no-recursion) | ||||||
| 3099 | static int dissect_2009_11_type_4(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 3100 | { | ||||||
| 3101 | proto_item *ti; | ||||||
| 3102 | int start_offset = 0; | ||||||
| 3103 | unsigned offset = 0; | ||||||
| 3104 | uint32_t oid_class; | ||||||
| 3105 | int oid_class_len; | ||||||
| 3106 | uint8_t oid_len_byte; | ||||||
| 3107 | proto_tree *oid_tree = tree; | ||||||
| 3108 | proto_tree *header_tree; | ||||||
| 3109 | |||||||
| 3110 | if (tree) | ||||||
| 3111 | { | ||||||
| 3112 | ti = proto_tree_get_parent(tree); | ||||||
| 3113 | proto_item_set_text(ti, "Object ID: %s", dof_oid_create_standard_string(pinfo->pool, tvb_captured_length(tvb), tvb_get_ptr(tvb, 0, tvb_captured_length(tvb)), pinfo)); | ||||||
| 3114 | } | ||||||
| 3115 | |||||||
| 3116 | offset = read_c4(tvb, offset, &oid_class, &oid_class_len); | ||||||
| 3117 | ti = proto_tree_add_uint_format(oid_tree, hf_oid_class, tvb, start_offset, offset - start_offset, oid_class, "Class: %u", oid_class); | ||||||
| 3118 | validate_c4(pinfo, ti, oid_class, oid_class_len); | ||||||
| 3119 | |||||||
| 3120 | oid_len_byte = tvb_get_uint8(tvb, offset); | ||||||
| 3121 | ti = proto_tree_add_uint_format(oid_tree, hf_oid_header, tvb, | ||||||
| 3122 | offset, 1, oid_len_byte, "Header: 0x%02x (%sLength=%d)", oid_len_byte, oid_len_byte & 0x80 ? "Attribute, " : "", oid_len_byte & 0x3F); | ||||||
| 3123 | |||||||
| 3124 | header_tree = proto_item_add_subtree(ti, ett_oid_header); | ||||||
| 3125 | proto_tree_add_item(header_tree, hf_oid_attribute, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 3126 | proto_tree_add_item(header_tree, hf_oid_length, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 3127 | offset += 1; | ||||||
| 3128 | |||||||
| 3129 | /* Validate the flag byte */ | ||||||
| 3130 | if (oid_len_byte & 0x40) | ||||||
| 3131 | { | ||||||
| 3132 | /* Type.4 Malformed (bit mandated zero). */ | ||||||
| 3133 | expert_add_info(pinfo, ti, &ei_type_4_header_zero); | ||||||
| 3134 | } | ||||||
| 3135 | |||||||
| 3136 | if ((oid_len_byte & 0x3F) > 0) | ||||||
| 3137 | { | ||||||
| 3138 | /* Add the raw data. */ | ||||||
| 3139 | proto_tree_add_item(oid_tree, hf_oid_data, tvb, offset, oid_len_byte & 0x3F, ENC_NA0x00000000); | ||||||
| 3140 | offset += oid_len_byte & 0x3F; | ||||||
| 3141 | } | ||||||
| 3142 | |||||||
| 3143 | /* Check for attributes */ | ||||||
| 3144 | if (oid_len_byte & 0x80) | ||||||
| 3145 | { | ||||||
| 3146 | /* Read attributes, adding them to oid_tree. */ | ||||||
| 3147 | uint8_t flag; | ||||||
| 3148 | |||||||
| 3149 | do | ||||||
| 3150 | { | ||||||
| 3151 | tvbuff_t *packet = tvb_new_subset_remaining(tvb, offset); | ||||||
| 3152 | proto_tree *attribute_tree; | ||||||
| 3153 | int attribute_length; | ||||||
| 3154 | |||||||
| 3155 | ti = proto_tree_add_item(tree, hf_oid_all_attribute_data, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 3156 | attribute_tree = proto_item_add_subtree(ti, ett_oid_attribute); | ||||||
| 3157 | flag = tvb_get_uint8(tvb, offset); | ||||||
| 3158 | increment_dissection_depth(pinfo); | ||||||
| 3159 | attribute_length = dissect_2009_11_type_5(packet, pinfo, attribute_tree); | ||||||
| 3160 | decrement_dissection_depth(pinfo); | ||||||
| 3161 | proto_item_set_len(ti, (const int)attribute_length); | ||||||
| 3162 | offset += attribute_length; | ||||||
| 3163 | } | ||||||
| 3164 | while (flag & 0x80); | ||||||
| 3165 | } | ||||||
| 3166 | |||||||
| 3167 | if (tree) | ||||||
| 3168 | { | ||||||
| 3169 | ti = proto_tree_get_parent(tree); | ||||||
| 3170 | proto_item_set_len(ti, offset - start_offset); | ||||||
| 3171 | } | ||||||
| 3172 | |||||||
| 3173 | /* TODO: Add the description. */ | ||||||
| 3174 | /* proto_item_append_text( oid_tree, ": %s", "TODO" ); */ | ||||||
| 3175 | return offset; | ||||||
| 3176 | } | ||||||
| 3177 | |||||||
| 3178 | /** | ||||||
| 3179 | * Dissects a buffer that is pointing at an attribute. | ||||||
| 3180 | * Adds a subtree with detailed information about the fields of | ||||||
| 3181 | * the attribute, | ||||||
| 3182 | * returns the new offset, | ||||||
| 3183 | * and appends text to the tree (really a tree item) that is | ||||||
| 3184 | * passed in that gives a more accurate description of the | ||||||
| 3185 | * attribute. | ||||||
| 3186 | * Note that the tree already shows the bytes of the OID, so if | ||||||
| 3187 | * no additional information can be displayed then it should not | ||||||
| 3188 | * be. | ||||||
| 3189 | * | ||||||
| 3190 | * If 'tree' is NULL then just return the length. | ||||||
| 3191 | */ | ||||||
| 3192 | // NOLINTNEXTLINE(misc-no-recursion) | ||||||
| 3193 | static int dissect_2009_11_type_5(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) | ||||||
| 3194 | { | ||||||
| 3195 | proto_item *ti; | ||||||
| 3196 | unsigned offset = 0; | ||||||
| 3197 | uint8_t attribute_id_byte; | ||||||
| 3198 | uint8_t attribute_length_byte; | ||||||
| 3199 | proto_tree *oid_tree = tree; | ||||||
| 3200 | proto_tree *header_tree; | ||||||
| 3201 | |||||||
| 3202 | attribute_id_byte = tvb_get_uint8(tvb, offset); | ||||||
| 3203 | ti = proto_tree_add_uint_format(oid_tree, hf_oid_attribute_header, tvb, | ||||||
| 3204 | offset, 1, attribute_id_byte, "Header: 0x%02x (%sLength=%d)", attribute_id_byte, attribute_id_byte & 0x80 ? "Attribute, " : "", attribute_id_byte & 0x3F); | ||||||
| 3205 | |||||||
| 3206 | header_tree = proto_item_add_subtree(ti, ett_oid_attribute_header); | ||||||
| 3207 | proto_tree_add_item(header_tree, hf_oid_attribute_attribute, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 3208 | proto_tree_add_item(header_tree, hf_oid_attribute_id, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 3209 | offset += 1; | ||||||
| 3210 | |||||||
| 3211 | attribute_length_byte = tvb_get_uint8(tvb, offset); | ||||||
| 3212 | proto_tree_add_item(oid_tree, hf_oid_attribute_length, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 3213 | offset += 1; | ||||||
| 3214 | |||||||
| 3215 | switch (attribute_id_byte & 0x7F) | ||||||
| 3216 | { | ||||||
| 3217 | case 1: | ||||||
| 3218 | /* TODO: Check length */ | ||||||
| 3219 | proto_tree_add_item(oid_tree, hf_oid_attribute_data, tvb, offset, attribute_length_byte, ENC_NA0x00000000); | ||||||
| 3220 | offset += attribute_length_byte; | ||||||
| 3221 | break; | ||||||
| 3222 | |||||||
| 3223 | case 0: | ||||||
| 3224 | case 2: | ||||||
| 3225 | { | ||||||
| 3226 | tvbuff_t *packet = tvb_new_subset_length(tvb, offset, attribute_length_byte); | ||||||
| 3227 | proto_tree *attribute_tree; | ||||||
| 3228 | |||||||
| 3229 | ti = proto_tree_add_item(tree, hf_oid_attribute_oid, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 3230 | attribute_tree = proto_item_add_subtree(ti, ett_oid_attribute_oid); | ||||||
| 3231 | increment_dissection_depth(pinfo); | ||||||
| 3232 | offset += dissect_2009_11_type_4(packet, pinfo, attribute_tree, NULL((void*)0)); | ||||||
| 3233 | decrement_dissection_depth(pinfo); | ||||||
| 3234 | } | ||||||
| 3235 | break; | ||||||
| 3236 | |||||||
| 3237 | default: | ||||||
| 3238 | proto_tree_add_item(oid_tree, hf_oid_attribute_data, tvb, offset, attribute_length_byte, ENC_NA0x00000000); | ||||||
| 3239 | offset += attribute_length_byte; | ||||||
| 3240 | } | ||||||
| 3241 | |||||||
| 3242 | return offset; | ||||||
| 3243 | } | ||||||
| 3244 | |||||||
| 3245 | |||||||
| 3246 | /* Transport Session ID */ | ||||||
| 3247 | static dof_globals globals; | ||||||
| 3248 | |||||||
| 3249 | /* Static Methods. */ | ||||||
| 3250 | |||||||
| 3251 | static dof_packet_data* create_packet_data(packet_info *pinfo); | ||||||
| 3252 | static int dof_dissect_dnp_length(tvbuff_t *tvb, packet_info *pinfo, uint8_t version, unsigned *offset); | ||||||
| 3253 | #define VALIDHEX(c)( ((c) >= '0' && (c) <= '9') || ((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f') ) ( ((c) >= '0' && (c) <= '9') || ((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f') ) | ||||||
| 3254 | |||||||
| 3255 | |||||||
| 3256 | /* Configuration structures. These tables allow for security | ||||||
| 3257 | * mode templates, security keys, and secrets to be configured. | ||||||
| 3258 | */ | ||||||
| 3259 | |||||||
| 3260 | static bool_Bool decrypt_all_packets; | ||||||
| 3261 | static bool_Bool track_operations; | ||||||
| 3262 | static unsigned track_operations_window = 5; | ||||||
| 3263 | static uint32_t next_dof_frame = 1; | ||||||
| 3264 | |||||||
| 3265 | /* Structure for security mode of operation templates. */ | ||||||
| 3266 | typedef struct _secmode_field_t { | ||||||
| 3267 | char *domain; | ||||||
| 3268 | char *identity; | ||||||
| 3269 | char *kek; | ||||||
| 3270 | } secmode_field_t; | ||||||
| 3271 | |||||||
| 3272 | static secmode_field_t *secmode_list; | ||||||
| 3273 | static unsigned num_secmode_list; | ||||||
| 3274 | |||||||
| 3275 | /* Structure for security keys. */ | ||||||
| 3276 | typedef struct _seckey_field_t { | ||||||
| 3277 | char *key; | ||||||
| 3278 | } seckey_field_t; | ||||||
| 3279 | |||||||
| 3280 | /* Structure for secrets (for identities) */ | ||||||
| 3281 | typedef struct _identsecret_field_t { | ||||||
| 3282 | char *domain; | ||||||
| 3283 | char *identity; | ||||||
| 3284 | char *secret; | ||||||
| 3285 | } identsecret_field_t; | ||||||
| 3286 | |||||||
| 3287 | typedef struct _tcp_ignore_data | ||||||
| 3288 | { | ||||||
| 3289 | uint32_t sequence; | ||||||
| 3290 | bool_Bool ignore; | ||||||
| 3291 | struct _tcp_ignore_data *next; | ||||||
| 3292 | } tcp_ignore_data; | ||||||
| 3293 | |||||||
| 3294 | typedef struct _tcp_dof_packet_ref | ||||||
| 3295 | { | ||||||
| 3296 | /* A single TCP frame can contain multiple packets. We must | ||||||
| 3297 | * be able to keep track of them all. | ||||||
| 3298 | */ | ||||||
| 3299 | dof_api_data api_data; | ||||||
| 3300 | |||||||
| 3301 | int start_offset; | ||||||
| 3302 | dof_transport_packet transport_packet; | ||||||
| 3303 | struct _tcp_dof_packet_ref *next; | ||||||
| 3304 | } tcp_dof_packet_ref; | ||||||
| 3305 | |||||||
| 3306 | /** | ||||||
| 3307 | * This structure exists for TCP packets and allows matching Wireshark frames to | ||||||
| 3308 | * DPS packets. | ||||||
| 3309 | */ | ||||||
| 3310 | typedef struct _tcp_packet_data | ||||||
| 3311 | { | ||||||
| 3312 | /* Packets are ignored based on the starting TCP SEQ (sequence of first byte). */ | ||||||
| 3313 | tcp_ignore_data *from_client_ignore_list; | ||||||
| 3314 | tcp_ignore_data *from_server_ignore_list; | ||||||
| 3315 | |||||||
| 3316 | /* DPS packet structures contained within a TCP frame. */ | ||||||
| 3317 | tcp_dof_packet_ref *dof_packets; | ||||||
| 3318 | } tcp_packet_data; | ||||||
| 3319 | |||||||
| 3320 | /** | ||||||
| 3321 | * This structure exists for UDP sessions and allows for advanced stream handling | ||||||
| 3322 | * and matching Wireshark frames to DPS packets. | ||||||
| 3323 | */ | ||||||
| 3324 | typedef struct _udp_session_data | ||||||
| 3325 | { | ||||||
| 3326 | /* This must be the first structure, as a pointer to this type is stored in each DPS packet. */ | ||||||
| 3327 | dof_transport_session common; | ||||||
| 3328 | |||||||
| 3329 | /* For the associated TCP conversation, this tracks the client and server | ||||||
| 3330 | * addresses. | ||||||
| 3331 | */ | ||||||
| 3332 | ws_node server; | ||||||
| 3333 | } udp_session_data; | ||||||
| 3334 | |||||||
| 3335 | /* This structure exists for TCP sessions and allows for advanced stream handling | ||||||
| 3336 | * and matching Wireshark frames to DPS packets. | ||||||
| 3337 | */ | ||||||
| 3338 | typedef struct _tcp_session_data | ||||||
| 3339 | { | ||||||
| 3340 | /* This must be the first structure, as a pointer to this type is stored in each DPS packet. */ | ||||||
| 3341 | dof_transport_session common; | ||||||
| 3342 | |||||||
| 3343 | /* This flag is used to determine that an entire TCP session is NOT OpenDOF. | ||||||
| 3344 | * Because of TCP/IP negotiation in the DPS it is easy to confuse arbitrary | ||||||
| 3345 | * protocols as OpenDOF. Once it is determined that it is not then this | ||||||
| 3346 | * flag can be set, which will turn off all the OpenDOF dissectors. | ||||||
| 3347 | */ | ||||||
| 3348 | bool_Bool not_dps; | ||||||
| 3349 | |||||||
| 3350 | /* For the associated TCP conversation, this tracks the client and server | ||||||
| 3351 | * addresses. | ||||||
| 3352 | */ | ||||||
| 3353 | ws_node client, server; | ||||||
| 3354 | |||||||
| 3355 | /* TCP sequence numbers, used to detect retransmissions. These are only valid | ||||||
| 3356 | * during the first pass through the packets. | ||||||
| 3357 | */ | ||||||
| 3358 | uint32_t from_client_seq; | ||||||
| 3359 | uint32_t from_server_seq; | ||||||
| 3360 | |||||||
| 3361 | } tcp_session_data; | ||||||
| 3362 | |||||||
| 3363 | static dof_security_data global_security; | ||||||
| 3364 | |||||||
| 3365 | static unsigned count_hex_bytes(char *str); | ||||||
| 3366 | |||||||
| 3367 | /* Global DPS data structures for security keys. */ | ||||||
| 3368 | static seckey_field_t *seckey_list; | ||||||
| 3369 | static unsigned num_seckey_list; | ||||||
| 3370 | |||||||
| 3371 | /* Global DPS data structures for identity secrets. */ | ||||||
| 3372 | static identsecret_field_t *identsecret_list; | ||||||
| 3373 | static unsigned num_identsecret_list; | ||||||
| 3374 | |||||||
| 3375 | |||||||
| 3376 | /* Callbacks for Configuration security templates. */ | ||||||
| 3377 | UAT_CSTRING_CB_DEF(secmode_list, domain, secmode_field_t)static void secmode_list_domain_set_cb(void* rec, const char* buf, unsigned len, const void* u1 __attribute__((unused)), const void* u2 __attribute__((unused))) { char* new_buf = g_strndup (buf,len); (__builtin_object_size (((((secmode_field_t*)rec)-> domain)), 0) != ((size_t) - 1)) ? g_free_sized ((((secmode_field_t *)rec)->domain), __builtin_object_size (((((secmode_field_t *)rec)->domain)), 0)) : (g_free) ((((secmode_field_t*)rec) ->domain)); (((secmode_field_t*)rec)->domain) = new_buf ; } static void secmode_list_domain_tostr_cb(void* rec, char* * out_ptr, unsigned* out_len, const void* u1 __attribute__((unused )), const void* u2 __attribute__((unused))) { if (((secmode_field_t *)rec)->domain ) { *out_ptr = g_strdup_inline ((((secmode_field_t *)rec)->domain)); *out_len = (unsigned)strlen((((secmode_field_t *)rec)->domain)); } else { *out_ptr = g_strdup_inline ("") ; *out_len = 0; } } | ||||||
| 3378 | UAT_CSTRING_CB_DEF(secmode_list, identity, secmode_field_t)static void secmode_list_identity_set_cb(void* rec, const char * buf, unsigned len, const void* u1 __attribute__((unused)), const void* u2 __attribute__((unused))) { char* new_buf = g_strndup (buf,len); (__builtin_object_size (((((secmode_field_t*)rec)-> identity)), 0) != ((size_t) - 1)) ? g_free_sized ((((secmode_field_t *)rec)->identity), __builtin_object_size (((((secmode_field_t *)rec)->identity)), 0)) : (g_free) ((((secmode_field_t*)rec )->identity)); (((secmode_field_t*)rec)->identity) = new_buf ; } static void secmode_list_identity_tostr_cb(void* rec, char ** out_ptr, unsigned* out_len, const void* u1 __attribute__(( unused)), const void* u2 __attribute__((unused))) { if (((secmode_field_t *)rec)->identity ) { *out_ptr = g_strdup_inline ((((secmode_field_t *)rec)->identity)); *out_len = (unsigned)strlen((((secmode_field_t *)rec)->identity)); } else { *out_ptr = g_strdup_inline ("" ); *out_len = 0; } } | ||||||
| 3379 | UAT_CSTRING_CB_DEF(secmode_list, kek, secmode_field_t)static void secmode_list_kek_set_cb(void* rec, const char* buf , unsigned len, const void* u1 __attribute__((unused)), const void* u2 __attribute__((unused))) { char* new_buf = g_strndup (buf,len); (__builtin_object_size (((((secmode_field_t*)rec)-> kek)), 0) != ((size_t) - 1)) ? g_free_sized ((((secmode_field_t *)rec)->kek), __builtin_object_size (((((secmode_field_t*) rec)->kek)), 0)) : (g_free) ((((secmode_field_t*)rec)-> kek)); (((secmode_field_t*)rec)->kek) = new_buf; } static void secmode_list_kek_tostr_cb(void* rec, char** out_ptr, unsigned * out_len, const void* u1 __attribute__((unused)), const void * u2 __attribute__((unused))) { if (((secmode_field_t*)rec)-> kek ) { *out_ptr = g_strdup_inline ((((secmode_field_t*)rec)-> kek)); *out_len = (unsigned)strlen((((secmode_field_t*)rec)-> kek)); } else { *out_ptr = g_strdup_inline (""); *out_len = 0 ; } } | ||||||
| 3380 | |||||||
| 3381 | static void secmode_list_post_update_cb(void) | ||||||
| 3382 | { | ||||||
| 3383 | } | ||||||
| 3384 | |||||||
| 3385 | static bool_Bool secmode_list_update_cb(void *r, char **err) | ||||||
| 3386 | { | ||||||
| 3387 | secmode_field_t *rec = (secmode_field_t *)r; | ||||||
| 3388 | uint32_t size; | ||||||
| 3389 | |||||||
| 3390 | *err = NULL((void*)0); | ||||||
| 3391 | |||||||
| 3392 | size = (uint32_t)strlen(rec->domain); | ||||||
| 3393 | if (!VALIDHEX(rec->domain[0])( ((rec->domain[0]) >= '0' && (rec->domain[0 ]) <= '9') || ((rec->domain[0]) >= 'A' && (rec ->domain[0]) <= 'F') || ((rec->domain[0]) >= 'a' && (rec->domain[0]) <= 'f') )) | ||||||
| 3394 | { | ||||||
| 3395 | /* dof_oid_create_internal() returns 0 for a valid OID string. */ | ||||||
| 3396 | if (dof_oid_create_internal(rec->domain, &size, NULL((void*)0))) | ||||||
| 3397 | { | ||||||
| 3398 | *err = g_strdup("Invalid domain [must be valid OID].")g_strdup_inline ("Invalid domain [must be valid OID]."); | ||||||
| 3399 | return false0; | ||||||
| 3400 | } | ||||||
| 3401 | } | ||||||
| 3402 | else if (!count_hex_bytes(rec->domain)) | ||||||
| 3403 | { | ||||||
| 3404 | *err = g_strdup("Invalid domain [must be valid OID].")g_strdup_inline ("Invalid domain [must be valid OID]."); | ||||||
| 3405 | return false0; | ||||||
| 3406 | } | ||||||
| 3407 | |||||||
| 3408 | size = (uint32_t)strlen(rec->identity); | ||||||
| 3409 | if (!VALIDHEX(rec->identity[0])( ((rec->identity[0]) >= '0' && (rec->identity [0]) <= '9') || ((rec->identity[0]) >= 'A' && (rec->identity[0]) <= 'F') || ((rec->identity[0]) >= 'a' && (rec->identity[0]) <= 'f') )) | ||||||
| 3410 | { | ||||||
| 3411 | /* dof_oid_create_internal() returns 0 for a valid OID string. */ | ||||||
| 3412 | if (dof_oid_create_internal(rec->identity, &size, NULL((void*)0))) | ||||||
| 3413 | { | ||||||
| 3414 | *err = g_strdup("Invalid identity [must be valid OID].")g_strdup_inline ("Invalid identity [must be valid OID]."); | ||||||
| 3415 | return false0; | ||||||
| 3416 | } | ||||||
| 3417 | } | ||||||
| 3418 | else if (!count_hex_bytes(rec->identity)) | ||||||
| 3419 | { | ||||||
| 3420 | *err = g_strdup("Invalid identity [must be valid OID].")g_strdup_inline ("Invalid identity [must be valid OID]."); | ||||||
| 3421 | return false0; | ||||||
| 3422 | } | ||||||
| 3423 | |||||||
| 3424 | if (count_hex_bytes(rec->kek) != 32) | ||||||
| 3425 | { | ||||||
| 3426 | *err = g_strdup("Invalid KEK [must be 32 byte key].")g_strdup_inline ("Invalid KEK [must be 32 byte key]."); | ||||||
| 3427 | return false0; | ||||||
| 3428 | } | ||||||
| 3429 | return true1; | ||||||
| 3430 | } | ||||||
| 3431 | |||||||
| 3432 | static void* secmode_list_copy_cb(void *n, const void *o, size_t siz _U___attribute__((unused))) | ||||||
| 3433 | { | ||||||
| 3434 | secmode_field_t *new_rec = (secmode_field_t *)n; | ||||||
| 3435 | const secmode_field_t *old_rec = (const secmode_field_t *)o; | ||||||
| 3436 | |||||||
| 3437 | new_rec->domain = g_strdup(old_rec->domain)g_strdup_inline (old_rec->domain); | ||||||
| 3438 | new_rec->identity = g_strdup(old_rec->identity)g_strdup_inline (old_rec->identity); | ||||||
| 3439 | new_rec->kek = g_strdup(old_rec->kek)g_strdup_inline (old_rec->kek); | ||||||
| 3440 | |||||||
| 3441 | return new_rec; | ||||||
| 3442 | } | ||||||
| 3443 | |||||||
| 3444 | static void secmode_list_free_cb(void *r) | ||||||
| 3445 | { | ||||||
| 3446 | secmode_field_t *rec = (secmode_field_t *)r; | ||||||
| 3447 | |||||||
| 3448 | g_free(rec->domain)(__builtin_object_size ((rec->domain), 0) != ((size_t) - 1 )) ? g_free_sized (rec->domain, __builtin_object_size ((rec ->domain), 0)) : (g_free) (rec->domain); | ||||||
| 3449 | g_free(rec->identity)(__builtin_object_size ((rec->identity), 0) != ((size_t) - 1)) ? g_free_sized (rec->identity, __builtin_object_size ( (rec->identity), 0)) : (g_free) (rec->identity); | ||||||
| 3450 | g_free(rec->kek)(__builtin_object_size ((rec->kek), 0) != ((size_t) - 1)) ? g_free_sized (rec->kek, __builtin_object_size ((rec->kek ), 0)) : (g_free) (rec->kek); | ||||||
| 3451 | } | ||||||
| 3452 | |||||||
| 3453 | |||||||
| 3454 | /* Callbacks for security keys. */ | ||||||
| 3455 | UAT_CSTRING_CB_DEF(seckey_list, key, seckey_field_t)static void seckey_list_key_set_cb(void* rec, const char* buf , unsigned len, const void* u1 __attribute__((unused)), const void* u2 __attribute__((unused))) { char* new_buf = g_strndup (buf,len); (__builtin_object_size (((((seckey_field_t*)rec)-> key)), 0) != ((size_t) - 1)) ? g_free_sized ((((seckey_field_t *)rec)->key), __builtin_object_size (((((seckey_field_t*)rec )->key)), 0)) : (g_free) ((((seckey_field_t*)rec)->key) ); (((seckey_field_t*)rec)->key) = new_buf; } static void seckey_list_key_tostr_cb (void* rec, char** out_ptr, unsigned* out_len, const void* u1 __attribute__((unused)), const void* u2 __attribute__((unused ))) { if (((seckey_field_t*)rec)->key ) { *out_ptr = g_strdup_inline ((((seckey_field_t*)rec)->key)); *out_len = (unsigned)strlen ((((seckey_field_t*)rec)->key)); } else { *out_ptr = g_strdup_inline (""); *out_len = 0; } } | ||||||
| 3456 | |||||||
| 3457 | static void seckey_list_post_update_cb(void) | ||||||
| 3458 | { | ||||||
| 3459 | } | ||||||
| 3460 | |||||||
| 3461 | static bool_Bool seckey_list_update_cb(void *r, char **err) | ||||||
| 3462 | { | ||||||
| 3463 | seckey_field_t *rec = (seckey_field_t *)r; | ||||||
| 3464 | |||||||
| 3465 | *err = NULL((void*)0); | ||||||
| 3466 | if (count_hex_bytes(rec->key) != 32) | ||||||
| 3467 | { | ||||||
| 3468 | *err = g_strdup("Invalid secret [must be 32 bytes].")g_strdup_inline ("Invalid secret [must be 32 bytes]."); | ||||||
| 3469 | return false0; | ||||||
| 3470 | } | ||||||
| 3471 | return true1; | ||||||
| 3472 | } | ||||||
| 3473 | |||||||
| 3474 | static void* seckey_list_copy_cb(void *n, const void *o, size_t siz _U___attribute__((unused))) | ||||||
| 3475 | { | ||||||
| 3476 | seckey_field_t *new_rec = (seckey_field_t *)n; | ||||||
| 3477 | const seckey_field_t *old_rec = (const seckey_field_t *)o; | ||||||
| 3478 | |||||||
| 3479 | new_rec->key = g_strdup(old_rec->key)g_strdup_inline (old_rec->key); | ||||||
| 3480 | |||||||
| 3481 | return new_rec; | ||||||
| 3482 | } | ||||||
| 3483 | |||||||
| 3484 | static void seckey_list_free_cb(void *r) | ||||||
| 3485 | { | ||||||
| 3486 | seckey_field_t *rec = (seckey_field_t *)r; | ||||||
| 3487 | |||||||
| 3488 | g_free(rec->key)(__builtin_object_size ((rec->key), 0) != ((size_t) - 1)) ? g_free_sized (rec->key, __builtin_object_size ((rec->key ), 0)) : (g_free) (rec->key); | ||||||
| 3489 | } | ||||||
| 3490 | |||||||
| 3491 | |||||||
| 3492 | /* Callbacks for identity secrets. */ | ||||||
| 3493 | UAT_CSTRING_CB_DEF(identsecret_list, domain, identsecret_field_t)static void identsecret_list_domain_set_cb(void* rec, const char * buf, unsigned len, const void* u1 __attribute__((unused)), const void* u2 __attribute__((unused))) { char* new_buf = g_strndup (buf,len); (__builtin_object_size (((((identsecret_field_t*)rec )->domain)), 0) != ((size_t) - 1)) ? g_free_sized ((((identsecret_field_t *)rec)->domain), __builtin_object_size (((((identsecret_field_t *)rec)->domain)), 0)) : (g_free) ((((identsecret_field_t*) rec)->domain)); (((identsecret_field_t*)rec)->domain) = new_buf; } static void identsecret_list_domain_tostr_cb(void * rec, char** out_ptr, unsigned* out_len, const void* u1 __attribute__ ((unused)), const void* u2 __attribute__((unused))) { if (((identsecret_field_t *)rec)->domain ) { *out_ptr = g_strdup_inline ((((identsecret_field_t *)rec)->domain)); *out_len = (unsigned)strlen((((identsecret_field_t *)rec)->domain)); } else { *out_ptr = g_strdup_inline ("") ; *out_len = 0; } } | ||||||
| 3494 | UAT_CSTRING_CB_DEF(identsecret_list, identity, identsecret_field_t)static void identsecret_list_identity_set_cb(void* rec, const char* buf, unsigned len, const void* u1 __attribute__((unused )), const void* u2 __attribute__((unused))) { char* new_buf = g_strndup(buf,len); (__builtin_object_size (((((identsecret_field_t *)rec)->identity)), 0) != ((size_t) - 1)) ? g_free_sized ( (((identsecret_field_t*)rec)->identity), __builtin_object_size (((((identsecret_field_t*)rec)->identity)), 0)) : (g_free ) ((((identsecret_field_t*)rec)->identity)); (((identsecret_field_t *)rec)->identity) = new_buf; } static void identsecret_list_identity_tostr_cb (void* rec, char** out_ptr, unsigned* out_len, const void* u1 __attribute__((unused)), const void* u2 __attribute__((unused ))) { if (((identsecret_field_t*)rec)->identity ) { *out_ptr = g_strdup_inline ((((identsecret_field_t*)rec)->identity )); *out_len = (unsigned)strlen((((identsecret_field_t*)rec)-> identity)); } else { *out_ptr = g_strdup_inline (""); *out_len = 0; } } | ||||||
| 3495 | UAT_CSTRING_CB_DEF(identsecret_list, secret, identsecret_field_t)static void identsecret_list_secret_set_cb(void* rec, const char * buf, unsigned len, const void* u1 __attribute__((unused)), const void* u2 __attribute__((unused))) { char* new_buf = g_strndup (buf,len); (__builtin_object_size (((((identsecret_field_t*)rec )->secret)), 0) != ((size_t) - 1)) ? g_free_sized ((((identsecret_field_t *)rec)->secret), __builtin_object_size (((((identsecret_field_t *)rec)->secret)), 0)) : (g_free) ((((identsecret_field_t*) rec)->secret)); (((identsecret_field_t*)rec)->secret) = new_buf; } static void identsecret_list_secret_tostr_cb(void * rec, char** out_ptr, unsigned* out_len, const void* u1 __attribute__ ((unused)), const void* u2 __attribute__((unused))) { if (((identsecret_field_t *)rec)->secret ) { *out_ptr = g_strdup_inline ((((identsecret_field_t *)rec)->secret)); *out_len = (unsigned)strlen((((identsecret_field_t *)rec)->secret)); } else { *out_ptr = g_strdup_inline ("") ; *out_len = 0; } } | ||||||
| 3496 | |||||||
| 3497 | static void identsecret_list_post_update_cb(void) | ||||||
| 3498 | { | ||||||
| 3499 | } | ||||||
| 3500 | |||||||
| 3501 | static bool_Bool identsecret_list_update_cb(void *r, char **err) | ||||||
| 3502 | { | ||||||
| 3503 | identsecret_field_t *rec = (identsecret_field_t *)r; | ||||||
| 3504 | uint32_t size; | ||||||
| 3505 | |||||||
| 3506 | *err = NULL((void*)0); | ||||||
| 3507 | |||||||
| 3508 | size = (uint32_t)strlen(rec->domain); | ||||||
| 3509 | if (!VALIDHEX(rec->domain[0])( ((rec->domain[0]) >= '0' && (rec->domain[0 ]) <= '9') || ((rec->domain[0]) >= 'A' && (rec ->domain[0]) <= 'F') || ((rec->domain[0]) >= 'a' && (rec->domain[0]) <= 'f') )) | ||||||
| 3510 | { | ||||||
| 3511 | if (dof_oid_create_internal(rec->domain, &size, NULL((void*)0))) | ||||||
| 3512 | { | ||||||
| 3513 | *err = g_strdup("Invalid domain [must be valid OID].")g_strdup_inline ("Invalid domain [must be valid OID]."); | ||||||
| 3514 | return false0; | ||||||
| 3515 | } | ||||||
| 3516 | } | ||||||
| 3517 | else if (!count_hex_bytes(rec->domain)) | ||||||
| 3518 | { | ||||||
| 3519 | *err = g_strdup("Invalid domain [must be valid OID].")g_strdup_inline ("Invalid domain [must be valid OID]."); | ||||||
| 3520 | return false0; | ||||||
| 3521 | } | ||||||
| 3522 | |||||||
| 3523 | size = (uint32_t)strlen(rec->identity); | ||||||
| 3524 | if (!VALIDHEX(rec->identity[0])( ((rec->identity[0]) >= '0' && (rec->identity [0]) <= '9') || ((rec->identity[0]) >= 'A' && (rec->identity[0]) <= 'F') || ((rec->identity[0]) >= 'a' && (rec->identity[0]) <= 'f') )) | ||||||
| 3525 | { | ||||||
| 3526 | if (dof_oid_create_internal(rec->identity, &size, NULL((void*)0))) | ||||||
| 3527 | { | ||||||
| 3528 | *err = g_strdup("Invalid identity [must be valid OID].")g_strdup_inline ("Invalid identity [must be valid OID]."); | ||||||
| 3529 | return false0; | ||||||
| 3530 | } | ||||||
| 3531 | } | ||||||
| 3532 | else if (!count_hex_bytes(rec->identity)) | ||||||
| 3533 | { | ||||||
| 3534 | *err = g_strdup("Invalid identity [must be valid OID].")g_strdup_inline ("Invalid identity [must be valid OID]."); | ||||||
| 3535 | return false0; | ||||||
| 3536 | } | ||||||
| 3537 | |||||||
| 3538 | if (count_hex_bytes(rec->secret) != 32) | ||||||
| 3539 | { | ||||||
| 3540 | *err = g_strdup("Invalid secret [must be 32 byte key].")g_strdup_inline ("Invalid secret [must be 32 byte key]."); | ||||||
| 3541 | return false0; | ||||||
| 3542 | } | ||||||
| 3543 | return true1; | ||||||
| 3544 | } | ||||||
| 3545 | |||||||
| 3546 | static void* identsecret_list_copy_cb(void *n, const void *o, size_t siz _U___attribute__((unused))) | ||||||
| 3547 | { | ||||||
| 3548 | identsecret_field_t *new_rec = (identsecret_field_t *)n; | ||||||
| 3549 | const identsecret_field_t *old_rec = (const identsecret_field_t *)o; | ||||||
| 3550 | |||||||
| 3551 | new_rec->domain = g_strdup(old_rec->domain)g_strdup_inline (old_rec->domain); | ||||||
| 3552 | new_rec->identity = g_strdup(old_rec->identity)g_strdup_inline (old_rec->identity); | ||||||
| 3553 | new_rec->secret = g_strdup(old_rec->secret)g_strdup_inline (old_rec->secret); | ||||||
| 3554 | |||||||
| 3555 | return new_rec; | ||||||
| 3556 | } | ||||||
| 3557 | |||||||
| 3558 | static void identsecret_list_free_cb(void *r) | ||||||
| 3559 | { | ||||||
| 3560 | identsecret_field_t *rec = (identsecret_field_t *)r; | ||||||
| 3561 | |||||||
| 3562 | g_free(rec->domain)(__builtin_object_size ((rec->domain), 0) != ((size_t) - 1 )) ? g_free_sized (rec->domain, __builtin_object_size ((rec ->domain), 0)) : (g_free) (rec->domain); | ||||||
| 3563 | g_free(rec->identity)(__builtin_object_size ((rec->identity), 0) != ((size_t) - 1)) ? g_free_sized (rec->identity, __builtin_object_size ( (rec->identity), 0)) : (g_free) (rec->identity); | ||||||
| 3564 | g_free(rec->secret)(__builtin_object_size ((rec->secret), 0) != ((size_t) - 1 )) ? g_free_sized (rec->secret, __builtin_object_size ((rec ->secret), 0)) : (g_free) (rec->secret); | ||||||
| 3565 | } | ||||||
| 3566 | |||||||
| 3567 | static void init_addr_port_tables(void); | ||||||
| 3568 | |||||||
| 3569 | /* The IP transport protocols need to assign SENDER ID based on the | ||||||
| 3570 | * transport address. This requires a hash lookup from address/port to ID. | ||||||
| 3571 | */ | ||||||
| 3572 | |||||||
| 3573 | static GHashTable *addr_port_to_id; | ||||||
| 3574 | |||||||
| 3575 | typedef struct _addr_port_key | ||||||
| 3576 | { | ||||||
| 3577 | address addr; | ||||||
| 3578 | uint16_t port; | ||||||
| 3579 | } addr_port_key; | ||||||
| 3580 | |||||||
| 3581 | static unsigned addr_port_key_hash_fn(const void *key) | ||||||
| 3582 | { | ||||||
| 3583 | const addr_port_key *addr_key = (const addr_port_key *)key; | ||||||
| 3584 | unsigned result = 0; | ||||||
| 3585 | unsigned port_as_int = addr_key->port; | ||||||
| 3586 | unsigned type_as_int = addr_key->addr.type; | ||||||
| 3587 | |||||||
| 3588 | result += g_int_hash(&port_as_int); | ||||||
| 3589 | result += g_int_hash(&type_as_int); | ||||||
| 3590 | |||||||
| 3591 | { | ||||||
| 3592 | unsigned hash = 5381; | ||||||
| 3593 | const uint8_t *str = (const uint8_t *)addr_key->addr.data; | ||||||
| 3594 | |||||||
| 3595 | for (int i = 0; i < addr_key->addr.len; i++) | ||||||
| 3596 | hash = ((hash << 5) + hash) + str[i]; /* hash * 33 + c */ | ||||||
| 3597 | |||||||
| 3598 | result += hash; | ||||||
| 3599 | } | ||||||
| 3600 | |||||||
| 3601 | return result; | ||||||
| 3602 | } | ||||||
| 3603 | |||||||
| 3604 | static gboolean addr_port_key_equal_fn(const void *key1, const void *key2) | ||||||
| 3605 | { | ||||||
| 3606 | const addr_port_key *addr_key_ptr1 = (const addr_port_key *)key1; | ||||||
| 3607 | const addr_port_key *addr_key_ptr2 = (const addr_port_key *)key2; | ||||||
| 3608 | |||||||
| 3609 | if (addr_key_ptr1->port != addr_key_ptr2->port) | ||||||
| 3610 | return FALSE(0); | ||||||
| 3611 | |||||||
| 3612 | return addresses_equal(&addr_key_ptr1->addr, &addr_key_ptr2->addr); | ||||||
| 3613 | } | ||||||
| 3614 | |||||||
| 3615 | static void addr_port_key_free_fn(void *key) | ||||||
| 3616 | { | ||||||
| 3617 | addr_port_key *addr_port = (addr_port_key *)key; | ||||||
| 3618 | g_free(addr_port->addr.priv)(__builtin_object_size ((addr_port->addr.priv), 0) != ((size_t ) - 1)) ? g_free_sized (addr_port->addr.priv, __builtin_object_size ((addr_port->addr.priv), 0)) : (g_free) (addr_port->addr .priv); | ||||||
| 3619 | g_free(addr_port)(__builtin_object_size ((addr_port), 0) != ((size_t) - 1)) ? g_free_sized (addr_port, __builtin_object_size ((addr_port), 0)) : (g_free ) (addr_port); | ||||||
| 3620 | } | ||||||
| 3621 | |||||||
| 3622 | static void init_addr_port_tables(void) | ||||||
| 3623 | { | ||||||
| 3624 | /* This routine is called each time the system is reset (file load, capture) | ||||||
| 3625 | * and so it should take care of freeing any of our persistent stuff. | ||||||
| 3626 | */ | ||||||
| 3627 | if (addr_port_to_id != NULL((void*)0)) | ||||||
| 3628 | { | ||||||
| 3629 | /* Clear it out. Note that this calls the destroy functions for each element. */ | ||||||
| 3630 | g_hash_table_destroy(addr_port_to_id); | ||||||
| 3631 | addr_port_to_id = NULL((void*)0); | ||||||
| 3632 | } | ||||||
| 3633 | |||||||
| 3634 | /* The value is not allocated, so does not need to be freed. */ | ||||||
| 3635 | addr_port_to_id = g_hash_table_new_full(addr_port_key_hash_fn, addr_port_key_equal_fn, addr_port_key_free_fn, NULL((void*)0)); | ||||||
| 3636 | } | ||||||
| 3637 | |||||||
| 3638 | static unsigned next_addr_port_id = 1; | ||||||
| 3639 | |||||||
| 3640 | #define EP_COPY_ADDRESS(alloc, to, from){ uint8_t *EP_COPY_ADDRESS_data; (to)->type = (from)->type ; (to)->len = (from)->len; EP_COPY_ADDRESS_data = (uint8_t *) wmem_alloc(alloc,(from)->len); memcpy(EP_COPY_ADDRESS_data , (from)->data, (from)->len); (to)->priv = EP_COPY_ADDRESS_data ; (to)->data = (to)->priv; } { \ | ||||||
| 3641 | uint8_t *EP_COPY_ADDRESS_data; \ | ||||||
| 3642 | (to)->type = (from)->type; \ | ||||||
| 3643 | (to)->len = (from)->len; \ | ||||||
| 3644 | EP_COPY_ADDRESS_data = (uint8_t*) wmem_alloc(alloc,(from)->len); \ | ||||||
| 3645 | memcpy(EP_COPY_ADDRESS_data, (from)->data, (from)->len); \ | ||||||
| 3646 | (to)->priv = EP_COPY_ADDRESS_data; \ | ||||||
| 3647 | (to)->data = (to)->priv; \ | ||||||
| 3648 | } | ||||||
| 3649 | |||||||
| 3650 | /* Return the transport ID, a unique number for each transport sender. | ||||||
| 3651 | */ | ||||||
| 3652 | static unsigned assign_addr_port_id(wmem_allocator_t* allocator, address *addr, uint16_t port) | ||||||
| 3653 | { | ||||||
| 3654 | addr_port_key lookup_key; | ||||||
| 3655 | addr_port_key *key; | ||||||
| 3656 | unsigned value; | ||||||
| 3657 | |||||||
| 3658 | /* ensure the address contains actual data */ | ||||||
| 3659 | if (addr->type == AT_NONE) | ||||||
| 3660 | return 0; | ||||||
| 3661 | |||||||
| 3662 | /* Build a (non-allocated) key to do the lookup. */ | ||||||
| 3663 | |||||||
| 3664 | EP_COPY_ADDRESS(allocator, &lookup_key.addr, addr){ uint8_t *EP_COPY_ADDRESS_data; (&lookup_key.addr)->type = (addr)->type; (&lookup_key.addr)->len = (addr)-> len; EP_COPY_ADDRESS_data = (uint8_t*) wmem_alloc(allocator,( addr)->len); memcpy(EP_COPY_ADDRESS_data, (addr)->data, (addr)->len); (&lookup_key.addr)->priv = EP_COPY_ADDRESS_data ; (&lookup_key.addr)->data = (&lookup_key.addr)-> priv; }; | ||||||
| 3665 | lookup_key.port = port; | ||||||
| 3666 | |||||||
| 3667 | value = GPOINTER_TO_UINT(g_hash_table_lookup(addr_port_to_id, &lookup_key))((guint) (gulong) (g_hash_table_lookup(addr_port_to_id, & lookup_key))); | ||||||
| 3668 | if (value) | ||||||
| 3669 | { | ||||||
| 3670 | /* We found a match. */ | ||||||
| 3671 | return value; | ||||||
| 3672 | } | ||||||
| 3673 | |||||||
| 3674 | /* No match, need to add a key. */ | ||||||
| 3675 | key = g_new0(addr_port_key, 1)((addr_port_key *) g_malloc0_n ((1), sizeof (addr_port_key))); | ||||||
| 3676 | copy_address(&key->addr, addr); | ||||||
| 3677 | key->port = port; | ||||||
| 3678 | |||||||
| 3679 | /* Note, this is not multithread safe, but Wireshark isn't multithreaded. */ | ||||||
| 3680 | g_hash_table_insert(addr_port_to_id, key, GUINT_TO_POINTER(next_addr_port_id)((gpointer) (gulong) (next_addr_port_id))); | ||||||
| 3681 | return next_addr_port_id++; | ||||||
| 3682 | } | ||||||
| 3683 | |||||||
| 3684 | /* Wireshark Configuration Dialog Routines*/ | ||||||
| 3685 | |||||||
| 3686 | static bool_Bool identsecret_chk_cb(void *r _U___attribute__((unused)), const char *p _U___attribute__((unused)), unsigned len _U___attribute__((unused)), const void *u1 _U___attribute__((unused)), const void *u2 _U___attribute__((unused)), char **err _U___attribute__((unused))) | ||||||
| 3687 | { | ||||||
| 3688 | #if 0 | ||||||
| 3689 | char** protos; | ||||||
| 3690 | char* line = ep_strndup(p, len); | ||||||
| 3691 | unsigned num_protos, i; | ||||||
| 3692 | |||||||
| 3693 | g_strstrip(line)g_strchomp (g_strchug (line)); | ||||||
| 3694 | ascii_strdown_inplace(line); | ||||||
| 3695 | |||||||
| 3696 | protos = ep_strsplit(line, ":", 0); | ||||||
| 3697 | |||||||
| 3698 | for (num_protos = 0; protos[num_protos]; num_protos++) | ||||||
| 3699 | g_strstrip(protos[num_protos])g_strchomp (g_strchug (protos[num_protos])); | ||||||
| 3700 | |||||||
| 3701 | if (!num_protos) | ||||||
| 3702 | { | ||||||
| 3703 | *err = g_strdup("No protocols given")g_strdup_inline ("No protocols given"); | ||||||
| 3704 | return false0; | ||||||
| 3705 | } | ||||||
| 3706 | |||||||
| 3707 | for (i = 0; i < num_protos; i++) | ||||||
| 3708 | { | ||||||
| 3709 | if (!find_dissector(protos[i])) | ||||||
| 3710 | { | ||||||
| 3711 | *err = g_strdup("Could not find dissector for: '%s'", protos[i]); | ||||||
| 3712 | return false0; | ||||||
| 3713 | } | ||||||
| 3714 | } | ||||||
| 3715 | #endif | ||||||
| 3716 | return true1; | ||||||
| 3717 | } | ||||||
| 3718 | |||||||
| 3719 | /* Utility Methods */ | ||||||
| 3720 | |||||||
| 3721 | /* Bytes consumed from start to end. Zero when the range is inverted, so a short field cannot wrap into a huge allocation. */ | ||||||
| 3722 | static unsigned dof_consumed_length(unsigned end, unsigned start) | ||||||
| 3723 | { | ||||||
| 3724 | if (end < start) | ||||||
| 3725 | return 0; | ||||||
| 3726 | return end - start; | ||||||
| 3727 | } | ||||||
| 3728 | |||||||
| 3729 | static unsigned count_hex_bytes(char *str) | ||||||
| 3730 | { | ||||||
| 3731 | unsigned total = 0; | ||||||
| 3732 | |||||||
| 3733 | while (str != NULL((void*)0) && *str != '\0' && *str != '#') | ||||||
| 3734 | { | ||||||
| 3735 | if (!g_ascii_isxdigit(*str)((g_ascii_table[(guchar) (*str)] & G_ASCII_XDIGIT) != 0)) | ||||||
| 3736 | { | ||||||
| 3737 | str += 1; | ||||||
| 3738 | continue; | ||||||
| 3739 | } | ||||||
| 3740 | |||||||
| 3741 | if (!g_ascii_isxdigit(str[1])((g_ascii_table[(guchar) (str[1])] & G_ASCII_XDIGIT) != 0 )) | ||||||
| 3742 | return 0; | ||||||
| 3743 | |||||||
| 3744 | if (total == UINT_MAX(2147483647 *2U +1U)) | ||||||
| 3745 | return 0; | ||||||
| 3746 | |||||||
| 3747 | total += 1; | ||||||
| 3748 | str += 2; | ||||||
| 3749 | } | ||||||
| 3750 | |||||||
| 3751 | return total; | ||||||
| 3752 | } | ||||||
| 3753 | |||||||
| 3754 | static void parse_hex_string(char *str, uint8_t **ptr, unsigned *len) | ||||||
| 3755 | { | ||||||
| 3756 | unsigned j = 0; | ||||||
| 3757 | *len = count_hex_bytes(str); | ||||||
| 3758 | *ptr = (uint8_t *)g_malloc0(*len); | ||||||
| 3759 | |||||||
| 3760 | while (j < *len) | ||||||
| 3761 | { | ||||||
| 3762 | int high, low; | ||||||
| 3763 | |||||||
| 3764 | if (!g_ascii_isxdigit(*str)((g_ascii_table[(guchar) (*str)] & G_ASCII_XDIGIT) != 0)) | ||||||
| 3765 | { | ||||||
| 3766 | str += 1; | ||||||
| 3767 | continue; | ||||||
| 3768 | } | ||||||
| 3769 | |||||||
| 3770 | high = ws_xton(str[0]); | ||||||
| 3771 | low = ws_xton(str[1]); | ||||||
| 3772 | (*ptr)[j++] = (high << 4) | low; | ||||||
| 3773 | str += 2; | ||||||
| 3774 | } | ||||||
| 3775 | } | ||||||
| 3776 | |||||||
| 3777 | /* OID and IID Parsing */ | ||||||
| 3778 | |||||||
| 3779 | static const uint8_t OALString_HexChar[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; | ||||||
| 3780 | |||||||
| 3781 | #define IS_PRINTABLE(c)( ((uint8_t)c) >= 32U && ((uint8_t)c) < 127U ) ( ((uint8_t)c) >= 32U && ((uint8_t)c) < 127U ) | ||||||
| 3782 | #define IS_ESCAPED(c)( (c) == '(' || (c) == ')' || (c) == '[' || (c) == ']' || (c) == '{' || (c) == '}' || (c) == '\\' || (c) == '|' ) ( (c) == '(' || (c) == ')' || (c) == '[' || (c) == ']' || (c) == '{' || (c) == '}' || (c) == '\\' || (c) == '|' ) | ||||||
| 3783 | #define DOFOBJECTID_MAX_CLASS_SIZE(4) (4) | ||||||
| 3784 | #define MAX_OID_DATA_SIZE(63) (63) | ||||||
| 3785 | #define OID_DATA_LEN_MASK((63)) (MAX_OID_DATA_SIZE(63)) | ||||||
| 3786 | |||||||
| 3787 | #define ObjectID_DataToStringLength( data, dataSize )ObjectID_DataToString( (data), (dataSize), ((void*)0) ) ObjectID_DataToString( (data), (dataSize), NULL((void*)0) ) | ||||||
| 3788 | #define OALString_HexDigitToChar(c)(OALString_HexChar[(c)]) (OALString_HexChar[(c)]) | ||||||
| 3789 | #define DOFObjectIDAttribute_IsValid( attribute )((attribute).id < DOFOBJECTIDATTRIBUTE_INVALID) ((attribute).id < DOFOBJECTIDATTRIBUTE_INVALID) | ||||||
| 3790 | #define DOFObjectIDAttribute_GetValueSize( attribute )((attribute).dataSize) ((attribute).dataSize) | ||||||
| 3791 | #define DOFObjectIDAttribute_GetValue( attribute )((attribute).data) ((attribute).data) | ||||||
| 3792 | #define DOFObjectIDAttribute_GetType( attribute )((DOFObjectIDAttributeType)(attribute).id) ((DOFObjectIDAttributeType)(attribute).id) | ||||||
| 3793 | |||||||
| 3794 | typedef enum DOFObjectIDAttributeID_t | ||||||
| 3795 | { | ||||||
| 3796 | /** | ||||||
| 3797 | * Provider attribute. This attribute identifies an object as being | ||||||
| 3798 | * provided by a specific service provider. The associated data must | ||||||
| 3799 | * be an object identifier. | ||||||
| 3800 | */ | ||||||
| 3801 | DOFOBJECTIDATTRIBUTE_PROVIDER = 0, | ||||||
| 3802 | |||||||
| 3803 | /** | ||||||
| 3804 | * Session attribute. This attribute associates the object with the | ||||||
| 3805 | * specified session. The associated data must be exactly 16 bytes long. | ||||||
| 3806 | */ | ||||||
| 3807 | DOFOBJECTIDATTRIBUTE_SESSION = 1, | ||||||
| 3808 | |||||||
| 3809 | /** | ||||||
| 3810 | * Group attribute. This attribute is normally used in association | ||||||
| 3811 | * with the BROADCAST object identifier. It defines a target that is | ||||||
| 3812 | * a multicast group in the DOF network (as opposed to the transport). | ||||||
| 3813 | * The associated data must be an object identifier. | ||||||
| 3814 | */ | ||||||
| 3815 | DOFOBJECTIDATTRIBUTE_GROUP = 2, | ||||||
| 3816 | |||||||
| 3817 | /** | ||||||
| 3818 | * Invalid, used to signal that an error has occurred. | ||||||
| 3819 | */ | ||||||
| 3820 | DOFOBJECTIDATTRIBUTE_INVALID = 128 | ||||||
| 3821 | } DOFObjectIDAttributeType; | ||||||
| 3822 | typedef uint32_t DOFObjectIDClass; | ||||||
| 3823 | |||||||
| 3824 | typedef struct DOFObjectID_t | ||||||
| 3825 | { | ||||||
| 3826 | uint32_t refCount; | ||||||
| 3827 | uint16_t len; /* Actual length of oid's wire representation. Max is 32707: 4 + 1 + 63 + (127 * 257). */ | ||||||
| 3828 | uint8_t oid[]; /* Extends beyond end of this defined structure, so oid MUST be last structure member! */ | ||||||
| 3829 | } DOFObjectID_t; | ||||||
| 3830 | |||||||
| 3831 | typedef DOFObjectID_t *DOFObjectID; | ||||||
| 3832 | |||||||
| 3833 | typedef uint8_t DOFObjectIDAttributeDataSize; | ||||||
| 3834 | |||||||
| 3835 | typedef struct DOFObjectIDAttribute_t | ||||||
| 3836 | { | ||||||
| 3837 | uint8_t id; /**< Attribute Identifier. Intentionally defined as uint8 for size, but holds all valid values for DOFObjectIDAttributeType. **/ | ||||||
| 3838 | DOFObjectIDAttributeDataSize dataSize; /**< Size of the attribute data. **/ | ||||||
| 3839 | const uint8_t *data; /**< Attribute data. **/ | ||||||
| 3840 | } DOFObjectIDAttribute; | ||||||
| 3841 | |||||||
| 3842 | /** | ||||||
| 3843 | * Read variable-length value from buffer. | ||||||
| 3844 | * | ||||||
| 3845 | * @param maxSize [in] Maximum size of value to be read | ||||||
| 3846 | * @param bufLength [in,out] Input: size of buffer, output: size of value in buffer | ||||||
| 3847 | * @param buffer [in] Actual buffer | ||||||
| 3848 | * @return Uncompressed value if buffer size is valid (or 0 on error) | ||||||
| 3849 | */ | ||||||
| 3850 | static uint32_t OALMarshal_UncompressValue(uint8_t maxSize, uint32_t *bufLength, const uint8_t *buffer) | ||||||
| 3851 | { | ||||||
| 3852 | uint32_t value = 0; | ||||||
| 3853 | uint8_t used = 0; | ||||||
| 3854 | uint8_t size = maxSize; | ||||||
| 3855 | uint8_t mask; | ||||||
| 3856 | |||||||
| 3857 | switch (buffer[0] >> 6) | ||||||
| 3858 | { | ||||||
| 3859 | case 0x02: | ||||||
| 3860 | /* Two Bytes */ | ||||||
| 3861 | if (maxSize > 2) | ||||||
| 3862 | mask = 0x3F; | ||||||
| 3863 | else | ||||||
| 3864 | mask = 0x7F; | ||||||
| 3865 | size = 2; | ||||||
| 3866 | break; | ||||||
| 3867 | |||||||
| 3868 | case 0x03: | ||||||
| 3869 | /* Three/Four Bytes */ | ||||||
| 3870 | if (maxSize > 2) | ||||||
| 3871 | mask = 0x3F; | ||||||
| 3872 | else | ||||||
| 3873 | mask = 0x7F; | ||||||
| 3874 | break; | ||||||
| 3875 | |||||||
| 3876 | default: | ||||||
| 3877 | /* One Byte */ | ||||||
| 3878 | size = 1; | ||||||
| 3879 | mask = 0x7F; | ||||||
| 3880 | break; | ||||||
| 3881 | } | ||||||
| 3882 | |||||||
| 3883 | /* Sanity check */ | ||||||
| 3884 | if (size > *bufLength) | ||||||
| 3885 | return 0; | ||||||
| 3886 | |||||||
| 3887 | value = buffer[used++] & mask; | ||||||
| 3888 | while (used < size) | ||||||
| 3889 | value = (value << 8) | buffer[used++]; | ||||||
| 3890 | |||||||
| 3891 | *bufLength = used; | ||||||
| 3892 | return (value); | ||||||
| 3893 | } | ||||||
| 3894 | |||||||
| 3895 | static uint32_t DOFObjectID_GetClassSize(DOFObjectID self) | ||||||
| 3896 | { | ||||||
| 3897 | uint32_t size = self->len; | ||||||
| 3898 | |||||||
| 3899 | (void)OALMarshal_UncompressValue(DOFOBJECTID_MAX_CLASS_SIZE(4), &size, self->oid); | ||||||
| 3900 | |||||||
| 3901 | return size; | ||||||
| 3902 | } | ||||||
| 3903 | |||||||
| 3904 | static uint32_t DOFObjectID_GetDataSize(const DOFObjectID self) | ||||||
| 3905 | { | ||||||
| 3906 | return ((*((const uint8_t *)self->oid + DOFObjectID_GetClassSize(self))) & OID_DATA_LEN_MASK((63))); | ||||||
| 3907 | } | ||||||
| 3908 | |||||||
| 3909 | static uint32_t ObjectID_DataToString(const uint8_t *data, uint32_t dataSize, char *pBuf) | ||||||
| 3910 | { | ||||||
| 3911 | uint32_t len = 0, i, nonprintable, escaped; | ||||||
| 3912 | |||||||
| 3913 | /* Determine if the data is printable... */ | ||||||
| 3914 | for (i = 0, nonprintable = 0, escaped = 0; i < dataSize; i++) | ||||||
| 3915 | { | ||||||
| 3916 | if (!IS_PRINTABLE(data[i])( ((uint8_t)data[i]) >= 32U && ((uint8_t)data[i]) < 127U )) | ||||||
| 3917 | nonprintable++; | ||||||
| 3918 | else if (IS_ESCAPED(data[i])( (data[i]) == '(' || (data[i]) == ')' || (data[i]) == '[' || (data[i]) == ']' || (data[i]) == '{' || (data[i]) == '}' || ( data[i]) == '\\' || (data[i]) == '|' )) | ||||||
| 3919 | escaped++; | ||||||
| 3920 | } | ||||||
| 3921 | if (nonprintable == 0) | ||||||
| 3922 | { | ||||||
| 3923 | /* Printable, so copy as a string, escaping where necessary. */ | ||||||
| 3924 | if (pBuf) | ||||||
| 3925 | { | ||||||
| 3926 | for (i = 0; i < dataSize; i++) | ||||||
| 3927 | { | ||||||
| 3928 | if (IS_ESCAPED(data[i])( (data[i]) == '(' || (data[i]) == ')' || (data[i]) == '[' || (data[i]) == ']' || (data[i]) == '{' || (data[i]) == '}' || ( data[i]) == '\\' || (data[i]) == '|' )) | ||||||
| 3929 | { | ||||||
| 3930 | pBuf[len++] = '\\'; | ||||||
| 3931 | pBuf[len++] = data[i]; | ||||||
| 3932 | } | ||||||
| 3933 | else | ||||||
| 3934 | pBuf[len++] = data[i]; | ||||||
| 3935 | } | ||||||
| 3936 | } | ||||||
| 3937 | else | ||||||
| 3938 | { | ||||||
| 3939 | len = dataSize + escaped; /* Count escaped characters twice. */ | ||||||
| 3940 | } | ||||||
| 3941 | } | ||||||
| 3942 | else | ||||||
| 3943 | { | ||||||
| 3944 | /* Non-printable, so format as hex string. */ | ||||||
| 3945 | if (pBuf) | ||||||
| 3946 | { | ||||||
| 3947 | pBuf[len++] = '{'; | ||||||
| 3948 | for (i = 0; i < dataSize; i++) | ||||||
| 3949 | { | ||||||
| 3950 | pBuf[len++] = OALString_HexDigitToChar((data[i] >> 4) & 0x0F)(OALString_HexChar[((data[i] >> 4) & 0x0F)]); | ||||||
| 3951 | pBuf[len++] = OALString_HexDigitToChar((data[i]) & 0x0F)(OALString_HexChar[((data[i]) & 0x0F)]); | ||||||
| 3952 | } | ||||||
| 3953 | pBuf[len++] = '}'; | ||||||
| 3954 | } | ||||||
| 3955 | else | ||||||
| 3956 | { | ||||||
| 3957 | len = dataSize * 2 + 2; | ||||||
| 3958 | } | ||||||
| 3959 | } | ||||||
| 3960 | return len; | ||||||
| 3961 | } | ||||||
| 3962 | |||||||
| 3963 | static const uint8_t* DOFObjectID_GetData(const DOFObjectID self) | ||||||
| 3964 | { | ||||||
| 3965 | if (DOFObjectID_GetDataSize(self) > 0) | ||||||
| 3966 | return (const uint8_t *)self->oid + DOFObjectID_GetClassSize(self) + 1; /* 1: length of length byte. */ | ||||||
| 3967 | |||||||
| 3968 | return NULL((void*)0); | ||||||
| 3969 | } | ||||||
| 3970 | |||||||
| 3971 | static uint32_t DOFObjectID_GetIDClass(const DOFObjectID self) | ||||||
| 3972 | { | ||||||
| 3973 | uint32_t size = 4; | ||||||
| 3974 | |||||||
| 3975 | return OALMarshal_UncompressValue(DOFOBJECTID_MAX_CLASS_SIZE(4), &size, self->oid); | ||||||
| 3976 | } | ||||||
| 3977 | |||||||
| 3978 | static bool_Bool DOFObjectID_HasAttributes(const DOFObjectID self) | ||||||
| 3979 | { | ||||||
| 3980 | if (!self) | ||||||
| 3981 | return false0; | ||||||
| 3982 | |||||||
| 3983 | /* bit 7: next attribute flag. */ | ||||||
| 3984 | return (bool_Bool)(((*(const uint8_t *)((const uint8_t *)(self->oid) + DOFObjectID_GetClassSize(self))) & 0x80) != 0); | ||||||
| 3985 | } | ||||||
| 3986 | |||||||
| 3987 | static uint8_t DOFObjectID_GetBaseSize(const DOFObjectID oid) | ||||||
| 3988 | { | ||||||
| 3989 | return DOFObjectID_GetClassSize(oid) + 1 + DOFObjectID_GetDataSize(oid); | ||||||
| 3990 | } | ||||||
| 3991 | |||||||
| 3992 | static uint8_t DOFObjectID_GetAttributeCount(const DOFObjectID self) | ||||||
| 3993 | { | ||||||
| 3994 | uint8_t retVal = 0; | ||||||
| 3995 | |||||||
| 3996 | /* Note: No OID can duplicate an attribute ID. Legal attribute IDs can be from 0-126. So max count fits in uint8. */ | ||||||
| 3997 | if (self && DOFObjectID_HasAttributes(self)) | ||||||
| 3998 | { | ||||||
| 3999 | const uint8_t *pNextAttribute = (const uint8_t *)self->oid + DOFObjectID_GetBaseSize(self); | ||||||
| 4000 | |||||||
| 4001 | ++retVal; | ||||||
| 4002 | while (*pNextAttribute & 0x80) /* bit 7: next attribute present flag. */ | ||||||
| 4003 | { | ||||||
| 4004 | ++retVal; | ||||||
| 4005 | pNextAttribute += (2 + *((const uint8_t *)pNextAttribute + 1)); /* 2: attribute marshalling overhead. */ | ||||||
| 4006 | } | ||||||
| 4007 | } | ||||||
| 4008 | |||||||
| 4009 | return retVal; | ||||||
| 4010 | } | ||||||
| 4011 | |||||||
| 4012 | static DOFObjectIDAttribute DOFObjectID_GetAttributeAtIndex(const DOFObjectID self, uint8_t attribute_index) | ||||||
| 4013 | { | ||||||
| 4014 | DOFObjectIDAttribute retAttributeDescriptor = { DOFOBJECTIDATTRIBUTE_INVALID, 0, NULL((void*)0) }; | ||||||
| 4015 | |||||||
| 4016 | /* Note: No OID can duplicate an attribute ID. Legal attribute IDs can be from 0-127. So max index fits in uint8. */ | ||||||
| 4017 | if (self && attribute_index < DOFOBJECTIDATTRIBUTE_INVALID) | ||||||
| 4018 | { | ||||||
| 4019 | if (DOFObjectID_HasAttributes(self)) | ||||||
| 4020 | { | ||||||
| 4021 | uint8_t count = 0; | ||||||
| 4022 | const uint8_t *pNextAttribute = (const uint8_t *)self->oid + DOFObjectID_GetBaseSize(self); | ||||||
| 4023 | |||||||
| 4024 | while (1) /* Parse through the N Attributes. */ | ||||||
| 4025 | { | ||||||
| 4026 | if (attribute_index == count++) | ||||||
| 4027 | { | ||||||
| 4028 | retAttributeDescriptor.id = *pNextAttribute & 0x7F; | ||||||
| 4029 | retAttributeDescriptor.dataSize = (DOFObjectIDAttributeDataSize) * ((const uint8_t *)pNextAttribute + 1); | ||||||
| 4030 | retAttributeDescriptor.data = (const uint8_t *)pNextAttribute + 2; /* 2: attr marshalling overhead. */ | ||||||
| 4031 | break; /* Success. */ | ||||||
| 4032 | } | ||||||
| 4033 | if (!(*pNextAttribute & 0x80)) | ||||||
| 4034 | break; /* Fail: no more Attributes */ | ||||||
| 4035 | pNextAttribute += (2 + *((const uint8_t *)pNextAttribute + 1)); | ||||||
| 4036 | } | ||||||
| 4037 | } | ||||||
| 4038 | } | ||||||
| 4039 | |||||||
| 4040 | return retAttributeDescriptor; | ||||||
| 4041 | } | ||||||
| 4042 | |||||||
| 4043 | static void DOFObjectID_Destroy(DOFObjectID self _U___attribute__((unused))) | ||||||
| 4044 | { | ||||||
| 4045 | /* Ephemeral memory doesn't need to be freed. */ | ||||||
| 4046 | } | ||||||
| 4047 | |||||||
| 4048 | static void DOFObjectID_InitStruct(DOFObjectID newObjID, uint32_t dataLen) | ||||||
| 4049 | { | ||||||
| 4050 | newObjID->refCount = 1; | ||||||
| 4051 | newObjID->len = dataLen; | ||||||
| 4052 | } | ||||||
| 4053 | |||||||
| 4054 | static DOFObjectID DOFObjectID_Create_Unmarshal(wmem_allocator_t* allocator, uint32_t *length, const uint8_t *buffer) | ||||||
| 4055 | { | ||||||
| 4056 | uint32_t len = *length; | ||||||
| 4057 | |||||||
| 4058 | /* Legal OID described at buffer must have at least 2 bytes. */ | ||||||
| 4059 | if (buffer && len >= 2) | ||||||
| 4060 | { | ||||||
| 4061 | uint32_t classSize = len; | ||||||
| 4062 | uint32_t classv = OALMarshal_UncompressValue(DOFOBJECTID_MAX_CLASS_SIZE(4), &classSize, buffer); | ||||||
| 4063 | |||||||
| 4064 | /* Legal OID described at buffer must have its class representation be correctly compressed. */ | ||||||
| 4065 | if (1) | ||||||
| 4066 | { | ||||||
| 4067 | uint32_t computedSize; | ||||||
| 4068 | |||||||
| 4069 | /* Above call won't return 3 because DOFOBJECTID_MAX_CLASS_SIZE (4) was passed in. */ | ||||||
| 4070 | computedSize = classSize + 1; /* 1: length of length byte. */ | ||||||
| 4071 | /* Legal OID described at buffer must have enough bytes to describe its OID class. */ | ||||||
| 4072 | if (len >= computedSize) | ||||||
| 4073 | { | ||||||
| 4074 | uint8_t lenByte = buffer[classSize]; | ||||||
| 4075 | |||||||
| 4076 | /* Legal OID described at buffer must have its length byte bit 6 be 0. */ | ||||||
| 4077 | if (!(lenByte & 0x40)) | ||||||
| 4078 | { | ||||||
| 4079 | bool_Bool hasAttr; | ||||||
| 4080 | uint8_t dataLen = lenByte & OID_DATA_LEN_MASK((63)); | ||||||
| 4081 | |||||||
| 4082 | /* Legal broadcast OID described at buffer must have no base data, though it can have attribute(s)*/ | ||||||
| 4083 | if ((classv == 0) && (dataLen > 0)) | ||||||
| 4084 | goto notvalid; | ||||||
| 4085 | computedSize += dataLen; | ||||||
| 4086 | hasAttr = lenByte & 0x80; /* Valid OID base; check attributes. */ | ||||||
| 4087 | while (hasAttr) | ||||||
| 4088 | { | ||||||
| 4089 | /* Legal OID described at buffer must have enough bytes to hold each new found attribute. */ | ||||||
| 4090 | if (len >= computedSize + 2) /* 2: attribute marshalling overhead. */ | ||||||
| 4091 | { | ||||||
| 4092 | hasAttr = buffer[computedSize] & 0x80; /* bit 7: next attribute present flag. */ | ||||||
| 4093 | computedSize += (2 + buffer[computedSize + 1]); | ||||||
| 4094 | } | ||||||
| 4095 | else | ||||||
| 4096 | goto notvalid; | ||||||
| 4097 | } | ||||||
| 4098 | /* Legal OID described at buffer must have enough buffer bytes, final check. | ||||||
| 4099 | * len is stored in a uint16_t; reject anything that would truncate it. | ||||||
| 4100 | */ | ||||||
| 4101 | if (computedSize > UINT16_MAX(65535)) | ||||||
| 4102 | goto notvalid; | ||||||
| 4103 | if (len >= computedSize) | ||||||
| 4104 | { | ||||||
| 4105 | DOFObjectID newObjID = (DOFObjectID)wmem_alloc0(allocator, sizeof(DOFObjectID_t) + (sizeof(uint8_t) * (computedSize + 1))); | ||||||
| 4106 | /* Adds space for null-terminator, just in case. */ | ||||||
| 4107 | |||||||
| 4108 | *length = computedSize; | ||||||
| 4109 | if (newObjID) | ||||||
| 4110 | { | ||||||
| 4111 | DOFObjectID_InitStruct(newObjID, computedSize); | ||||||
| 4112 | memcpy(newObjID->oid, buffer, computedSize); | ||||||
| 4113 | newObjID->oid[computedSize] = 0; | ||||||
| 4114 | return newObjID; /* Success. */ | ||||||
| 4115 | } | ||||||
| 4116 | /* buffer describes valid OID, but due to alloc failure we cannot return the newly created OID*/ | ||||||
| 4117 | goto allocErrorOut; | ||||||
| 4118 | } | ||||||
| 4119 | } | ||||||
| 4120 | } | ||||||
| 4121 | } | ||||||
| 4122 | } | ||||||
| 4123 | notvalid: | ||||||
| 4124 | /* buffer does not describe a valid OID, but do not log a message. The caller may have called us to find out if the | ||||||
| 4125 | buffer does or does not obey the rules of a valid OID. He learns that by our NULL return. */ | ||||||
| 4126 | allocErrorOut : | ||||||
| 4127 | *length = 0; | ||||||
| 4128 | |||||||
| 4129 | return NULL((void*)0); | ||||||
| 4130 | } | ||||||
| 4131 | |||||||
| 4132 | static DOFObjectID DOFObjectID_Create_Bytes(wmem_allocator_t* allocator, uint32_t bufferSize, const uint8_t *pOIDBuffer) | ||||||
| 4133 | { | ||||||
| 4134 | uint32_t len = bufferSize; | ||||||
| 4135 | DOFObjectID rval = DOFObjectID_Create_Unmarshal(allocator, &len, pOIDBuffer); | ||||||
| 4136 | |||||||
| 4137 | if (rval) | ||||||
| 4138 | { | ||||||
| 4139 | if (len != bufferSize) | ||||||
| 4140 | { | ||||||
| 4141 | DOFObjectID_Destroy(rval); | ||||||
| 4142 | rval = NULL((void*)0); | ||||||
| 4143 | } | ||||||
| 4144 | } | ||||||
| 4145 | return rval; | ||||||
| 4146 | } | ||||||
| 4147 | |||||||
| 4148 | // NOLINTNEXTLINE(misc-no-recursion) | ||||||
| 4149 | static uint32_t ObjectID_ToStringLength(const DOFObjectID oid, packet_info *pinfo) | ||||||
| 4150 | { | ||||||
| 4151 | uint32_t len = 0; | ||||||
| 4152 | |||||||
| 4153 | /* Note: All these string functions can be exercised with objectid_test.c, which outputs the string to console. */ | ||||||
| 4154 | len = 7 /* [{xx}: and trailing ] */ + ObjectID_DataToStringLength(DOFObjectID_GetData(oid),ObjectID_DataToString( (DOFObjectID_GetData(oid)), (DOFObjectID_GetDataSize (oid)), ((void*)0) ) | ||||||
| 4155 | DOFObjectID_GetDataSize(oid))ObjectID_DataToString( (DOFObjectID_GetData(oid)), (DOFObjectID_GetDataSize (oid)), ((void*)0) ); | ||||||
| 4156 | if (DOFObjectID_GetIDClass(oid) & 0xFF000000) | ||||||
| 4157 | len += 6; /* Six more hex digits. */ | ||||||
| 4158 | else if (DOFObjectID_GetIDClass(oid) & 0xFF0000) | ||||||
| 4159 | len += 4; /* Four more hex digits. */ | ||||||
| 4160 | else if (DOFObjectID_GetIDClass(oid) & 0xFF00) | ||||||
| 4161 | len += 2; /* Two more hex digits. */ | ||||||
| 4162 | increment_dissection_depth(pinfo); | ||||||
| 4163 | /* Handle Attributes, if any. */ | ||||||
| 4164 | if (DOFObjectID_HasAttributes(oid)) | ||||||
| 4165 | { | ||||||
| 4166 | uint8_t i; /* Max attribute count is under uint8. */ | ||||||
| 4167 | uint8_t attributeCount = DOFObjectID_GetAttributeCount(oid); | ||||||
| 4168 | |||||||
| 4169 | len += 2; /* surrounding ( ) */ | ||||||
| 4170 | for (i = 0; i < attributeCount; i++) | ||||||
| 4171 | { | ||||||
| 4172 | DOFObjectID embedOID; | ||||||
| 4173 | DOFObjectIDAttribute avpDescriptor = DOFObjectID_GetAttributeAtIndex(oid, i); | ||||||
| 4174 | |||||||
| 4175 | if (!DOFObjectIDAttribute_IsValid(avpDescriptor)((avpDescriptor).id < DOFOBJECTIDATTRIBUTE_INVALID)) | ||||||
| 4176 | break; /* Done with Attributes. If here, some error took place. */ | ||||||
| 4177 | |||||||
| 4178 | if (i) | ||||||
| 4179 | len++; | ||||||
| 4180 | len += 5; /* {xx}: */ | ||||||
| 4181 | /* Handle embedded Object IDs. */ | ||||||
| 4182 | embedOID = DOFObjectID_Create_Bytes(pinfo->pool, DOFObjectIDAttribute_GetValueSize(avpDescriptor)((avpDescriptor).dataSize), | ||||||
| 4183 | DOFObjectIDAttribute_GetValue(avpDescriptor)((avpDescriptor).data)); | ||||||
| 4184 | if (embedOID) | ||||||
| 4185 | { | ||||||
| 4186 | len += ObjectID_ToStringLength(embedOID, pinfo); /* Recurse to compute string rep length of found OID. */ | ||||||
| 4187 | DOFObjectID_Destroy(embedOID); | ||||||
| 4188 | } | ||||||
| 4189 | else | ||||||
| 4190 | { | ||||||
| 4191 | /* Hex Data. */ | ||||||
| 4192 | len += ObjectID_DataToStringLength(DOFObjectIDAttribute_GetValue(avpDescriptor),ObjectID_DataToString( (((avpDescriptor).data)), (((avpDescriptor ).dataSize)), ((void*)0) ) | ||||||
| 4193 | DOFObjectIDAttribute_GetValueSize(avpDescriptor))ObjectID_DataToString( (((avpDescriptor).data)), (((avpDescriptor ).dataSize)), ((void*)0) ); | ||||||
| 4194 | } | ||||||
| 4195 | } /* end for(). */ | ||||||
| 4196 | } | ||||||
| 4197 | decrement_dissection_depth(pinfo); | ||||||
| 4198 | |||||||
| 4199 | return len; | ||||||
| 4200 | } | ||||||
| 4201 | |||||||
| 4202 | static uint32_t InterfaceID_ToString(const uint8_t *iid, uint32_t iid_size, char *pBuf) | ||||||
| 4203 | { | ||||||
| 4204 | uint32_t len = 0; | ||||||
| 4205 | unsigned iid_len = iid[0] & 0x03; | ||||||
| 4206 | unsigned i; | ||||||
| 4207 | |||||||
| 4208 | /* Same lengths as in oap_1_tree_add_interface */ | ||||||
| 4209 | if (iid_len == 0) | ||||||
| 4210 | iid_len = 16; | ||||||
| 4211 | else if (iid_len == 3) | ||||||
| 4212 | iid_len = 4; | ||||||
| 4213 | if (iid_len > iid_size - 1) | ||||||
| 4214 | iid_len = iid_size - 1; | ||||||
| 4215 | |||||||
| 4216 | pBuf[len++] = '['; | ||||||
| 4217 | pBuf[len++] = '{'; | ||||||
| 4218 | |||||||
| 4219 | pBuf[len++] = OALString_HexDigitToChar((iid[0] >> 6) & 0x0F)(OALString_HexChar[((iid[0] >> 6) & 0x0F)]); | ||||||
| 4220 | pBuf[len++] = OALString_HexDigitToChar((iid[0] >> 2) & 0x0F)(OALString_HexChar[((iid[0] >> 2) & 0x0F)]); | ||||||
| 4221 | |||||||
| 4222 | pBuf[len++] = '}'; | ||||||
| 4223 | pBuf[len++] = ':'; | ||||||
| 4224 | pBuf[len++] = '{'; | ||||||
| 4225 | |||||||
| 4226 | /* Data */ | ||||||
| 4227 | for (i = 0; i < iid_len; i++) | ||||||
| 4228 | { | ||||||
| 4229 | pBuf[len++] = OALString_HexDigitToChar((iid[i + 1] >> 4) & 0x0F)(OALString_HexChar[((iid[i + 1] >> 4) & 0x0F)]); | ||||||
| 4230 | pBuf[len++] = OALString_HexDigitToChar(iid[i + 1] & 0x0F)(OALString_HexChar[(iid[i + 1] & 0x0F)]); | ||||||
| 4231 | } | ||||||
| 4232 | |||||||
| 4233 | pBuf[len++] = '}'; | ||||||
| 4234 | pBuf[len++] = ']'; | ||||||
| 4235 | |||||||
| 4236 | return len; | ||||||
| 4237 | } | ||||||
| 4238 | |||||||
| 4239 | // NOLINTNEXTLINE(misc-no-recursion) | ||||||
| 4240 | static uint32_t ObjectID_ToString(const DOFObjectID oid, char *pBuf, packet_info *pinfo) | ||||||
| 4241 | { | ||||||
| 4242 | DOFObjectIDClass oidClass; | ||||||
| 4243 | uint32_t len = 0; | ||||||
| 4244 | |||||||
| 4245 | pBuf[len++] = '['; | ||||||
| 4246 | pBuf[len++] = '{'; | ||||||
| 4247 | /* Class */ | ||||||
| 4248 | oidClass = DOFObjectID_GetIDClass(oid); | ||||||
| 4249 | if (oidClass & 0xFF000000) | ||||||
| 4250 | { | ||||||
| 4251 | pBuf[len++] = OALString_HexDigitToChar((oidClass >> 28) & 0x0F)(OALString_HexChar[((oidClass >> 28) & 0x0F)]); | ||||||
| 4252 | pBuf[len++] = OALString_HexDigitToChar((oidClass >> 24) & 0x0F)(OALString_HexChar[((oidClass >> 24) & 0x0F)]); | ||||||
| 4253 | } | ||||||
| 4254 | if (oidClass & 0xFFFF0000) | ||||||
| 4255 | { | ||||||
| 4256 | pBuf[len++] = OALString_HexDigitToChar((oidClass >> 20) & 0x0F)(OALString_HexChar[((oidClass >> 20) & 0x0F)]); | ||||||
| 4257 | pBuf[len++] = OALString_HexDigitToChar((oidClass >> 16) & 0x0F)(OALString_HexChar[((oidClass >> 16) & 0x0F)]); | ||||||
| 4258 | } | ||||||
| 4259 | if (oidClass & 0xFFFFFF00) | ||||||
| 4260 | { | ||||||
| 4261 | pBuf[len++] = OALString_HexDigitToChar((oidClass >> 12) & 0x0F)(OALString_HexChar[((oidClass >> 12) & 0x0F)]); | ||||||
| 4262 | pBuf[len++] = OALString_HexDigitToChar((oidClass >> 8) & 0x0F)(OALString_HexChar[((oidClass >> 8) & 0x0F)]); | ||||||
| 4263 | } | ||||||
| 4264 | pBuf[len++] = OALString_HexDigitToChar((oidClass >> 4) & 0x0F)(OALString_HexChar[((oidClass >> 4) & 0x0F)]); | ||||||
| 4265 | pBuf[len++] = OALString_HexDigitToChar((oidClass) & 0x0F)(OALString_HexChar[((oidClass) & 0x0F)]); | ||||||
| 4266 | pBuf[len++] = '}'; | ||||||
| 4267 | pBuf[len++] = ':'; | ||||||
| 4268 | /* Data */ | ||||||
| 4269 | len += ObjectID_DataToString(DOFObjectID_GetData(oid), DOFObjectID_GetDataSize(oid), &pBuf[len]); | ||||||
| 4270 | /* Handle Attributes, if any. */ | ||||||
| 4271 | if (DOFObjectID_HasAttributes(oid)) | ||||||
| 4272 | { | ||||||
| 4273 | uint8_t i; | ||||||
| 4274 | uint8_t attributeCount = DOFObjectID_GetAttributeCount(oid); | ||||||
| 4275 | |||||||
| 4276 | pBuf[len++] = '('; | ||||||
| 4277 | for (i = 0; i < attributeCount; i++) | ||||||
| 4278 | { | ||||||
| 4279 | DOFObjectID embedOID; | ||||||
| 4280 | DOFObjectIDAttribute avpDescriptor = DOFObjectID_GetAttributeAtIndex(oid, i); | ||||||
| 4281 | |||||||
| 4282 | if (!DOFObjectIDAttribute_IsValid(avpDescriptor)((avpDescriptor).id < DOFOBJECTIDATTRIBUTE_INVALID)) | ||||||
| 4283 | break; /* Done with Attributes. If here, some error took place. */ | ||||||
| 4284 | |||||||
| 4285 | if (i) | ||||||
| 4286 | pBuf[len++] = '|'; | ||||||
| 4287 | pBuf[len++] = '{'; | ||||||
| 4288 | pBuf[len++] = OALString_HexDigitToChar((DOFObjectIDAttribute_GetType(avpDescriptor) >> 4) & 0x0F)(OALString_HexChar[((((DOFObjectIDAttributeType)(avpDescriptor ).id) >> 4) & 0x0F)]); | ||||||
| 4289 | pBuf[len++] = OALString_HexDigitToChar((DOFObjectIDAttribute_GetType(avpDescriptor)) & 0x0F)(OALString_HexChar[((((DOFObjectIDAttributeType)(avpDescriptor ).id)) & 0x0F)]); | ||||||
| 4290 | pBuf[len++] = '}'; | ||||||
| 4291 | pBuf[len++] = ':'; | ||||||
| 4292 | |||||||
| 4293 | /* Handle embedded Object IDs. */ | ||||||
| 4294 | embedOID = DOFObjectID_Create_Bytes(pinfo->pool, DOFObjectIDAttribute_GetValueSize(avpDescriptor)((avpDescriptor).dataSize), | ||||||
| 4295 | DOFObjectIDAttribute_GetValue(avpDescriptor)((avpDescriptor).data)); | ||||||
| 4296 | if (embedOID) | ||||||
| 4297 | { | ||||||
| 4298 | increment_dissection_depth(pinfo); | ||||||
| 4299 | len += ObjectID_ToString(embedOID, &pBuf[len], pinfo); /* Recurse to output string rep of found OID. */ | ||||||
| 4300 | decrement_dissection_depth(pinfo); | ||||||
| 4301 | DOFObjectID_Destroy(embedOID); | ||||||
| 4302 | } | ||||||
| 4303 | else | ||||||
| 4304 | { | ||||||
| 4305 | /* Hex Data. */ | ||||||
| 4306 | len += ObjectID_DataToString(DOFObjectIDAttribute_GetValue(avpDescriptor)((avpDescriptor).data), | ||||||
| 4307 | DOFObjectIDAttribute_GetValueSize(avpDescriptor)((avpDescriptor).dataSize), &pBuf[len]); | ||||||
| 4308 | } | ||||||
| 4309 | } /* end for(). */ | ||||||
| 4310 | pBuf[len++] = ')'; | ||||||
| 4311 | } | ||||||
| 4312 | pBuf[len++] = ']'; | ||||||
| 4313 | |||||||
| 4314 | return len; | ||||||
| 4315 | } | ||||||
| 4316 | |||||||
| 4317 | static const char* dof_iid_create_standard_string(wmem_allocator_t* allocator, uint32_t bufferSize, const uint8_t *pIIDBuffer) | ||||||
| 4318 | { | ||||||
| 4319 | char *pRetval; | ||||||
| 4320 | unsigned len = 9 + (bufferSize - 1) * 2; /* Alias is always [{AA}:{01234567}] */ | ||||||
| 4321 | |||||||
| 4322 | pRetval = (char *)wmem_alloc(allocator, len + 1); | ||||||
| 4323 | if (pRetval) | ||||||
| 4324 | { | ||||||
| 4325 | len = InterfaceID_ToString(pIIDBuffer, bufferSize, pRetval); | ||||||
| 4326 | pRetval[len] = 0; | ||||||
| 4327 | } | ||||||
| 4328 | |||||||
| 4329 | return pRetval; | ||||||
| 4330 | } | ||||||
| 4331 | |||||||
| 4332 | static const char* dof_oid_create_standard_string(wmem_allocator_t* allocator, uint32_t bufferSize, const uint8_t *pOIDBuffer, packet_info *pinfo) | ||||||
| 4333 | { | ||||||
| 4334 | DOFObjectID oid; | ||||||
| 4335 | char *pRetval; | ||||||
| 4336 | uint32_t len = bufferSize; | ||||||
| 4337 | |||||||
| 4338 | oid = DOFObjectID_Create_Unmarshal(allocator, &len, pOIDBuffer); | ||||||
| 4339 | if (!oid) | ||||||
| 4340 | return "Illegal OID"; | ||||||
| 4341 | |||||||
| 4342 | len = ObjectID_ToStringLength(oid, pinfo); | ||||||
| 4343 | /* Use PCRMem_Alloc() and not DOFMem_Alloc() because app caller will be freeing memory with PCRMem_Destroy(). */ | ||||||
| 4344 | pRetval = (char *)wmem_alloc(allocator, len + 1); | ||||||
| 4345 | if (pRetval) | ||||||
| 4346 | { | ||||||
| 4347 | ObjectID_ToString(oid, pRetval, pinfo); | ||||||
| 4348 | pRetval[len] = 0; | ||||||
| 4349 | } | ||||||
| 4350 | |||||||
| 4351 | return pRetval; | ||||||
| 4352 | } | ||||||
| 4353 | |||||||
| 4354 | struct parseCtx | ||||||
| 4355 | { | ||||||
| 4356 | const char *oid; | ||||||
| 4357 | uint8_t *buffer; | ||||||
| 4358 | uint32_t buffLen; | ||||||
| 4359 | uint32_t oidLen; | ||||||
| 4360 | uint32_t currOidPos; | ||||||
| 4361 | uint32_t currBufferPos; | ||||||
| 4362 | unsigned depth; | ||||||
| 4363 | }; | ||||||
| 4364 | |||||||
| 4365 | /* Operations on OID string */ | ||||||
| 4366 | #define PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) ( (ctx)->oid[(ctx)->currOidPos] ) | ||||||
| 4367 | #define PARSECTX_PEEK_NEXT_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos+1] ) ( (ctx)->oid[(ctx)->currOidPos+1] ) | ||||||
| 4368 | #define PARSECTX_READ_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos++] ) ( (ctx)->oid[(ctx)->currOidPos++] ) | ||||||
| 4369 | #define PARSECTX_GET_CURRENT_POS_OID(ctx)( (ctx)->oid+(ctx)->currOidPos ) ( (ctx)->oid+(ctx)->currOidPos ) | ||||||
| 4370 | #define PARSECTX_STEP_OID(ctx, count)((ctx)->currOidPos+=(count))((ctx)->currOidPos+=(count)) | ||||||
| 4371 | |||||||
| 4372 | /* Operations on DOFObjectID buffer */ | ||||||
| 4373 | #define PARSECTX_GET_CURRENT_POS_BUF(ctx)( ((ctx)->buffer)? (ctx)->buffer+(ctx)->currBufferPos : ((void*)0) )( ((ctx)->buffer)? (ctx)->buffer+(ctx)->currBufferPos: NULL((void*)0) ) | ||||||
| 4374 | #define PARSECTX_STEP_BUF(ctx, count)( (ctx)->currBufferPos+=(count))( (ctx)->currBufferPos+=(count)) | ||||||
| 4375 | #define PARSECTX_WRITE_AT_POS_BUF(ctx, pos, value)do{ if((ctx)->buffer) *(pos) = (value); } while(0) do{ if((ctx)->buffer) *(pos) = (value); } while(0) | ||||||
| 4376 | #define PARSECTX_OR_AT_POS_BUF(ctx, pos, value)do{ if((ctx)->buffer) *(pos) |= (value); } while(0) do{ if((ctx)->buffer) *(pos) |= (value); } while(0) | ||||||
| 4377 | #define PARSECTX_WRITE_BUF(ctx, value)( ((ctx)->buffer)? (ctx)->buffer[(ctx)->currBufferPos ++] = (value): (ctx)->currBufferPos++ )( ((ctx)->buffer)? (ctx)->buffer[(ctx)->currBufferPos++] = (value): (ctx)->currBufferPos++ ) | ||||||
| 4378 | #define PARSECTX_CHECK_LEN(ctx, len)(((ctx)->buffer)? (((ctx)->currBufferPos+len <= (ctx )->buffLen)? 0: 1): 0) (((ctx)->buffer)? (((ctx)->currBufferPos+len <= (ctx)->buffLen)? 0: 1): 0) | ||||||
| 4379 | |||||||
| 4380 | /* Operation to read from OID straight to buffer */ | ||||||
| 4381 | #define PARSECTX_WRITE_BUF_FROM_OID(ctx)(((ctx)->buffer)? (ctx)->buffer[(ctx)->currBufferPos ++] = (ctx)->oid[(ctx)->currOidPos]: ((ctx)->currBufferPos ++),((ctx)->currOidPos++)) (((ctx)->buffer)? (ctx)->buffer[(ctx)->currBufferPos++] = (ctx)->oid[(ctx)->currOidPos]: ((ctx)->currBufferPos++),((ctx)->currOidPos++)) | ||||||
| 4382 | |||||||
| 4383 | #define IS_DIGIT(c)(((c) >= '0' && (c) <= '9')) (((c) >= '0' && (c) <= '9')) | ||||||
| 4384 | #define DIGIT2VALUE(c)(c-48) (c-48) | ||||||
| 4385 | |||||||
| 4386 | #define HEX2VALUE(c)( ((((c) >= '0' && (c) <= '9')))? (c-48) : ((c) >= 'A' && (c) <= 'F')? (c-55): (c-87) ) ( (IS_DIGIT(c)(((c) >= '0' && (c) <= '9')))? DIGIT2VALUE(c)(c-48) : ((c) >= 'A' && (c) <= 'F')? (c-55): (c-87) ) | ||||||
| 4387 | #define VALIDHEXSEP(c)( (c) == ' ' || (c) == ':' || (c) == '-' ) ( (c) == ' ' || (c) == ':' || (c) == '-' ) | ||||||
| 4388 | #define VALIDHEX(c)( ((c) >= '0' && (c) <= '9') || ((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f') ) ( ((c) >= '0' && (c) <= '9') || ((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f') ) | ||||||
| 4389 | #define VALIDHEXBYTE(s)( ( (((s)[0]) >= '0' && ((s)[0]) <= '9') || ((( s)[0]) >= 'A' && ((s)[0]) <= 'F') || (((s)[0]) >= 'a' && ((s)[0]) <= 'f') ) && ( (((s)[1]) >= '0' && ((s)[1]) <= '9') || (((s)[1]) >= 'A' && ((s)[1]) <= 'F') || (((s)[1]) >= 'a' && ((s)[1 ]) <= 'f') ) ) ( VALIDHEX((s)[0])( (((s)[0]) >= '0' && ((s)[0]) <= '9') || (((s) [0]) >= 'A' && ((s)[0]) <= 'F') || (((s)[0]) >= 'a' && ((s)[0]) <= 'f') ) && VALIDHEX((s)[1])( (((s)[1]) >= '0' && ((s)[1]) <= '9') || (((s) [1]) >= 'A' && ((s)[1]) <= 'F') || (((s)[1]) >= 'a' && ((s)[1]) <= 'f') ) ) | ||||||
| 4390 | #define VALIDNUMBER(c)((c) >= '0' && (c) <= '9') ((c) >= '0' && (c) <= '9') | ||||||
| 4391 | |||||||
| 4392 | #define VALIDASCIICHAR(c)(((uint8_t)c) >= 32 && ((uint8_t)c) <= 126 ) (((uint8_t)c) >= 32 && ((uint8_t)c) <= 126 ) | ||||||
| 4393 | |||||||
| 4394 | #define IS_ESCAPED(c)( (c) == '(' || (c) == ')' || (c) == '[' || (c) == ']' || (c) == '{' || (c) == '}' || (c) == '\\' || (c) == '|' ) ( (c) == '(' || (c) == ')' || (c) == '[' || (c) == ']' || (c) == '{' || (c) == '}' || (c) == '\\' || (c) == '|' ) | ||||||
| 4395 | |||||||
| 4396 | static uint8_t parseFormatOID(struct parseCtx *ctx); | ||||||
| 4397 | |||||||
| 4398 | static uint8_t parseHexField(struct parseCtx *ctx) | ||||||
| 4399 | { | ||||||
| 4400 | /* Hex fields start with { and end with } can contain space, dash and colon*/ | ||||||
| 4401 | if (PARSECTX_READ_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos++] ) == '{' && PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) != '}') | ||||||
| 4402 | { | ||||||
| 4403 | while (PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) != '}') | ||||||
| 4404 | { | ||||||
| 4405 | if (VALIDHEXBYTE(PARSECTX_GET_CURRENT_POS_OID(ctx))( ( (((( (ctx)->oid+(ctx)->currOidPos ))[0]) >= '0' && ((( (ctx)->oid+(ctx)->currOidPos ))[0]) <= '9') || ( ((( (ctx)->oid+(ctx)->currOidPos ))[0]) >= 'A' && ((( (ctx)->oid+(ctx)->currOidPos ))[0]) <= 'F') || ( ((( (ctx)->oid+(ctx)->currOidPos ))[0]) >= 'a' && ((( (ctx)->oid+(ctx)->currOidPos ))[0]) <= 'f') ) && ( (((( (ctx)->oid+(ctx)->currOidPos ))[1]) >= '0' && ((( (ctx)->oid+(ctx)->currOidPos ))[1]) <= '9') || ( ((( (ctx)->oid+(ctx)->currOidPos ))[1]) >= 'A' && ((( (ctx)->oid+(ctx)->currOidPos ))[1]) <= 'F') || ( ((( (ctx)->oid+(ctx)->currOidPos ))[1]) >= 'a' && ((( (ctx)->oid+(ctx)->currOidPos ))[1]) <= 'f') ) )) | ||||||
| 4406 | { | ||||||
| 4407 | if (PARSECTX_CHECK_LEN(ctx, 1)(((ctx)->buffer)? (((ctx)->currBufferPos+1 <= (ctx)-> buffLen)? 0: 1): 0) == 0) | ||||||
| 4408 | { | ||||||
| 4409 | PARSECTX_WRITE_BUF(ctx, HEX2VALUE(PARSECTX_PEEK_CHAR_OID(ctx)) << 4 | HEX2VALUE(PARSECTX_PEEK_NEXT_CHAR_OID(ctx)))( ((ctx)->buffer)? (ctx)->buffer[(ctx)->currBufferPos ++] = (( ((((( (ctx)->oid[(ctx)->currOidPos] )) >= '0' && (( (ctx)->oid[(ctx)->currOidPos] )) <= '9' )))? (( (ctx)->oid[(ctx)->currOidPos] )-48) : ((( (ctx) ->oid[(ctx)->currOidPos] )) >= 'A' && (( (ctx )->oid[(ctx)->currOidPos] )) <= 'F')? (( (ctx)->oid [(ctx)->currOidPos] )-55): (( (ctx)->oid[(ctx)->currOidPos ] )-87) ) << 4 | ( ((((( (ctx)->oid[(ctx)->currOidPos +1] )) >= '0' && (( (ctx)->oid[(ctx)->currOidPos +1] )) <= '9')))? (( (ctx)->oid[(ctx)->currOidPos+1] )-48) : ((( (ctx)->oid[(ctx)->currOidPos+1] )) >= 'A' && (( (ctx)->oid[(ctx)->currOidPos+1] )) <= 'F')? (( (ctx)->oid[(ctx)->currOidPos+1] )-55): (( (ctx )->oid[(ctx)->currOidPos+1] )-87) )): (ctx)->currBufferPos ++ ); | ||||||
| 4410 | PARSECTX_STEP_OID(ctx, 2)((ctx)->currOidPos+=(2)); | ||||||
| 4411 | |||||||
| 4412 | if (VALIDHEXSEP(PARSECTX_PEEK_CHAR_OID(ctx))( (( (ctx)->oid[(ctx)->currOidPos] )) == ' ' || (( (ctx )->oid[(ctx)->currOidPos] )) == ':' || (( (ctx)->oid [(ctx)->currOidPos] )) == '-' )) | ||||||
| 4413 | { | ||||||
| 4414 | if (PARSECTX_PEEK_NEXT_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos+1] ) == '}') | ||||||
| 4415 | { | ||||||
| 4416 | /* no separator after byte block */ | ||||||
| 4417 | return 1; | ||||||
| 4418 | } | ||||||
| 4419 | PARSECTX_STEP_OID(ctx, 1)((ctx)->currOidPos+=(1)); | ||||||
| 4420 | } | ||||||
| 4421 | } | ||||||
| 4422 | else | ||||||
| 4423 | { | ||||||
| 4424 | return 1; | ||||||
| 4425 | } | ||||||
| 4426 | } | ||||||
| 4427 | else | ||||||
| 4428 | { | ||||||
| 4429 | return 1; | ||||||
| 4430 | } | ||||||
| 4431 | } | ||||||
| 4432 | PARSECTX_STEP_OID(ctx, 1)((ctx)->currOidPos+=(1)); | ||||||
| 4433 | return 0; | ||||||
| 4434 | } | ||||||
| 4435 | return 1; | ||||||
| 4436 | } | ||||||
| 4437 | |||||||
| 4438 | static uint8_t parseStringField(struct parseCtx *ctx) | ||||||
| 4439 | { | ||||||
| 4440 | /* Copy into buffer until end or */ | ||||||
| 4441 | while (ctx->currOidPos < (ctx->oidLen - 1)) | ||||||
| 4442 | { | ||||||
| 4443 | char curr = PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ); | ||||||
| 4444 | if (curr == ']' || curr == '(') | ||||||
| 4445 | { | ||||||
| 4446 | break; /* End of string field */ | ||||||
| 4447 | } | ||||||
| 4448 | else if (curr == '\\') | ||||||
| 4449 | { | ||||||
| 4450 | /* Handle escaped char */ | ||||||
| 4451 | PARSECTX_STEP_OID(ctx, 1)((ctx)->currOidPos+=(1)); | ||||||
| 4452 | if (!IS_ESCAPED(PARSECTX_PEEK_CHAR_OID(ctx))( (( (ctx)->oid[(ctx)->currOidPos] )) == '(' || (( (ctx )->oid[(ctx)->currOidPos] )) == ')' || (( (ctx)->oid [(ctx)->currOidPos] )) == '[' || (( (ctx)->oid[(ctx)-> currOidPos] )) == ']' || (( (ctx)->oid[(ctx)->currOidPos ] )) == '{' || (( (ctx)->oid[(ctx)->currOidPos] )) == '}' || (( (ctx)->oid[(ctx)->currOidPos] )) == '\\' || (( ( ctx)->oid[(ctx)->currOidPos] )) == '|' ) || PARSECTX_CHECK_LEN(ctx, 1)(((ctx)->buffer)? (((ctx)->currBufferPos+1 <= (ctx)-> buffLen)? 0: 1): 0) != 0) | ||||||
| 4453 | return 1; | ||||||
| 4454 | PARSECTX_WRITE_BUF_FROM_OID(ctx)(((ctx)->buffer)? (ctx)->buffer[(ctx)->currBufferPos ++] = (ctx)->oid[(ctx)->currOidPos]: ((ctx)->currBufferPos ++),((ctx)->currOidPos++)); | ||||||
| 4455 | } | ||||||
| 4456 | else | ||||||
| 4457 | { | ||||||
| 4458 | if (VALIDASCIICHAR(curr)(((uint8_t)curr) >= 32 && ((uint8_t)curr) <= 126 ) && PARSECTX_CHECK_LEN(ctx, 1)(((ctx)->buffer)? (((ctx)->currBufferPos+1 <= (ctx)-> buffLen)? 0: 1): 0) == 0) | ||||||
| 4459 | PARSECTX_WRITE_BUF_FROM_OID(ctx)(((ctx)->buffer)? (ctx)->buffer[(ctx)->currBufferPos ++] = (ctx)->oid[(ctx)->currOidPos]: ((ctx)->currBufferPos ++),((ctx)->currOidPos++)); | ||||||
| 4460 | else | ||||||
| 4461 | return 1; | ||||||
| 4462 | } | ||||||
| 4463 | } | ||||||
| 4464 | return 0; | ||||||
| 4465 | } | ||||||
| 4466 | |||||||
| 4467 | static uint8_t OALMarshal_GetCompressedValueSize(uint8_t maxSize, uint32_t value) | ||||||
| 4468 | { | ||||||
| 4469 | uint8_t lenbytes = (1 + (value > 0x7F) + (value > 0x3FFF)); | ||||||
| 4470 | if (lenbytes > 2) | ||||||
| 4471 | return (maxSize); | ||||||
| 4472 | return (lenbytes); | ||||||
| 4473 | } | ||||||
| 4474 | |||||||
| 4475 | static uint32_t OALMarshal_CompressValue(uint8_t maxSize, uint32_t value, uint32_t bufLength, uint8_t *buffer) | ||||||
| 4476 | { | ||||||
| 4477 | uint8_t lenSize = OALMarshal_GetCompressedValueSize(maxSize, value); | ||||||
| 4478 | |||||||
| 4479 | if (bufLength < lenSize) | ||||||
| 4480 | return 0; | ||||||
| 4481 | switch (lenSize) | ||||||
| 4482 | { | ||||||
| 4483 | case 4: | ||||||
| 4484 | *(buffer++) = (uint8_t)((value >> 24) & 0x3F) | 0xC0; | ||||||
| 4485 | *(buffer++) = (uint8_t)((value >> 16) & 0xFF); | ||||||
| 4486 | *(buffer++) = (uint8_t)((value >> 8) & 0xFF); | ||||||
| 4487 | *(buffer++) = (uint8_t)(value & 0xFF); | ||||||
| 4488 | break; | ||||||
| 4489 | |||||||
| 4490 | case 3: | ||||||
| 4491 | *(buffer++) = (uint8_t)((value >> 16) & 0x3F) | 0xC0; | ||||||
| 4492 | *(buffer++) = (uint8_t)((value >> 8) & 0xFF); | ||||||
| 4493 | *(buffer++) = (uint8_t)(value & 0xFF); | ||||||
| 4494 | break; | ||||||
| 4495 | |||||||
| 4496 | case 2: | ||||||
| 4497 | if (maxSize == 2) | ||||||
| 4498 | { | ||||||
| 4499 | *(buffer++) = (uint8_t)((value >> 8) & 0x7F) | 0x80; | ||||||
| 4500 | } | ||||||
| 4501 | else | ||||||
| 4502 | { | ||||||
| 4503 | *(buffer++) = (uint8_t)((value >> 8) & 0x3F) | 0x80; | ||||||
| 4504 | } | ||||||
| 4505 | *(buffer++) = (uint8_t)(value & 0xFF); | ||||||
| 4506 | break; | ||||||
| 4507 | |||||||
| 4508 | case 1: | ||||||
| 4509 | *(buffer++) = (uint8_t)(value & 0x7F); | ||||||
| 4510 | break; | ||||||
| 4511 | |||||||
| 4512 | default: | ||||||
| 4513 | /* Invalid computed size! */ | ||||||
| 4514 | break; | ||||||
| 4515 | } | ||||||
| 4516 | return (lenSize); | ||||||
| 4517 | } | ||||||
| 4518 | |||||||
| 4519 | static uint8_t parseOIDClass(struct parseCtx *ctx) | ||||||
| 4520 | { | ||||||
| 4521 | if (PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) == '{' && PARSECTX_PEEK_NEXT_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos+1] ) != '}') | ||||||
| 4522 | { | ||||||
| 4523 | /* Hex */ | ||||||
| 4524 | uint8_t classSize = 0; | ||||||
| 4525 | uint32_t oidClass = 0; | ||||||
| 4526 | PARSECTX_STEP_OID(ctx, 1)((ctx)->currOidPos+=(1)); | ||||||
| 4527 | while (PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) != '}') | ||||||
| 4528 | { | ||||||
| 4529 | if (VALIDHEXBYTE(PARSECTX_GET_CURRENT_POS_OID(ctx))( ( (((( (ctx)->oid+(ctx)->currOidPos ))[0]) >= '0' && ((( (ctx)->oid+(ctx)->currOidPos ))[0]) <= '9') || ( ((( (ctx)->oid+(ctx)->currOidPos ))[0]) >= 'A' && ((( (ctx)->oid+(ctx)->currOidPos ))[0]) <= 'F') || ( ((( (ctx)->oid+(ctx)->currOidPos ))[0]) >= 'a' && ((( (ctx)->oid+(ctx)->currOidPos ))[0]) <= 'f') ) && ( (((( (ctx)->oid+(ctx)->currOidPos ))[1]) >= '0' && ((( (ctx)->oid+(ctx)->currOidPos ))[1]) <= '9') || ( ((( (ctx)->oid+(ctx)->currOidPos ))[1]) >= 'A' && ((( (ctx)->oid+(ctx)->currOidPos ))[1]) <= 'F') || ( ((( (ctx)->oid+(ctx)->currOidPos ))[1]) >= 'a' && ((( (ctx)->oid+(ctx)->currOidPos ))[1]) <= 'f') ) )) | ||||||
| 4530 | { | ||||||
| 4531 | oidClass <<= 8; | ||||||
| 4532 | oidClass += (HEX2VALUE(PARSECTX_PEEK_CHAR_OID(ctx))( ((((( (ctx)->oid[(ctx)->currOidPos] )) >= '0' && (( (ctx)->oid[(ctx)->currOidPos] )) <= '9')))? (( ( ctx)->oid[(ctx)->currOidPos] )-48) : ((( (ctx)->oid[ (ctx)->currOidPos] )) >= 'A' && (( (ctx)->oid [(ctx)->currOidPos] )) <= 'F')? (( (ctx)->oid[(ctx)-> currOidPos] )-55): (( (ctx)->oid[(ctx)->currOidPos] )-87 ) ) << 4 | HEX2VALUE(PARSECTX_PEEK_NEXT_CHAR_OID(ctx))( ((((( (ctx)->oid[(ctx)->currOidPos+1] )) >= '0' && (( (ctx)->oid[(ctx)->currOidPos+1] )) <= '9')))? (( (ctx)->oid[(ctx)->currOidPos+1] )-48) : ((( (ctx)-> oid[(ctx)->currOidPos+1] )) >= 'A' && (( (ctx)-> oid[(ctx)->currOidPos+1] )) <= 'F')? (( (ctx)->oid[( ctx)->currOidPos+1] )-55): (( (ctx)->oid[(ctx)->currOidPos +1] )-87) )); | ||||||
| 4533 | PARSECTX_STEP_OID(ctx, 2)((ctx)->currOidPos+=(2)); | ||||||
| 4534 | |||||||
| 4535 | if (VALIDHEXSEP(PARSECTX_PEEK_CHAR_OID(ctx))( (( (ctx)->oid[(ctx)->currOidPos] )) == ' ' || (( (ctx )->oid[(ctx)->currOidPos] )) == ':' || (( (ctx)->oid [(ctx)->currOidPos] )) == '-' )) | ||||||
| 4536 | { | ||||||
| 4537 | if (PARSECTX_PEEK_NEXT_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos+1] ) == '}') | ||||||
| 4538 | { | ||||||
| 4539 | /* no separator after byte block */ | ||||||
| 4540 | return 1; | ||||||
| 4541 | } | ||||||
| 4542 | PARSECTX_STEP_OID(ctx, 1)((ctx)->currOidPos+=(1)); | ||||||
| 4543 | } | ||||||
| 4544 | } | ||||||
| 4545 | else | ||||||
| 4546 | { | ||||||
| 4547 | return 1; | ||||||
| 4548 | } | ||||||
| 4549 | } | ||||||
| 4550 | PARSECTX_STEP_OID(ctx, 1)((ctx)->currOidPos+=(1)); | ||||||
| 4551 | |||||||
| 4552 | classSize = OALMarshal_GetCompressedValueSize(4, oidClass); | ||||||
| 4553 | if (PARSECTX_CHECK_LEN(ctx, classSize)(((ctx)->buffer)? (((ctx)->currBufferPos+classSize <= (ctx)->buffLen)? 0: 1): 0) == 0) | ||||||
| 4554 | { | ||||||
| 4555 | if (PARSECTX_GET_CURRENT_POS_BUF(ctx)( ((ctx)->buffer)? (ctx)->buffer+(ctx)->currBufferPos : ((void*)0) )) | ||||||
| 4556 | classSize = OALMarshal_CompressValue(4, oidClass, classSize, PARSECTX_GET_CURRENT_POS_BUF(ctx)( ((ctx)->buffer)? (ctx)->buffer+(ctx)->currBufferPos : ((void*)0) )); | ||||||
| 4557 | |||||||
| 4558 | PARSECTX_STEP_BUF(ctx, classSize)( (ctx)->currBufferPos+=(classSize)); | ||||||
| 4559 | } | ||||||
| 4560 | |||||||
| 4561 | return 0; | ||||||
| 4562 | } | ||||||
| 4563 | else | ||||||
| 4564 | { | ||||||
| 4565 | /* Number */ | ||||||
| 4566 | uint8_t classSize = 0; | ||||||
| 4567 | uint32_t oidClass = 0; | ||||||
| 4568 | while (IS_DIGIT(PARSECTX_PEEK_CHAR_OID(ctx))(((( (ctx)->oid[(ctx)->currOidPos] )) >= '0' && (( (ctx)->oid[(ctx)->currOidPos] )) <= '9'))) | ||||||
| 4569 | { | ||||||
| 4570 | oidClass *= 10; | ||||||
| 4571 | oidClass += DIGIT2VALUE(PARSECTX_PEEK_CHAR_OID(ctx))(( (ctx)->oid[(ctx)->currOidPos] )-48); | ||||||
| 4572 | PARSECTX_STEP_OID(ctx, 1)((ctx)->currOidPos+=(1)); | ||||||
| 4573 | } | ||||||
| 4574 | |||||||
| 4575 | classSize = OALMarshal_GetCompressedValueSize(4, oidClass); | ||||||
| 4576 | if (PARSECTX_CHECK_LEN(ctx, classSize)(((ctx)->buffer)? (((ctx)->currBufferPos+classSize <= (ctx)->buffLen)? 0: 1): 0) == 0) | ||||||
| 4577 | { | ||||||
| 4578 | if (PARSECTX_GET_CURRENT_POS_BUF(ctx)( ((ctx)->buffer)? (ctx)->buffer+(ctx)->currBufferPos : ((void*)0) )) | ||||||
| 4579 | classSize = OALMarshal_CompressValue(4, oidClass, classSize, PARSECTX_GET_CURRENT_POS_BUF(ctx)( ((ctx)->buffer)? (ctx)->buffer+(ctx)->currBufferPos : ((void*)0) )); | ||||||
| 4580 | |||||||
| 4581 | PARSECTX_STEP_BUF(ctx, classSize)( (ctx)->currBufferPos+=(classSize)); | ||||||
| 4582 | } | ||||||
| 4583 | |||||||
| 4584 | return 0; | ||||||
| 4585 | } | ||||||
| 4586 | } | ||||||
| 4587 | |||||||
| 4588 | static uint8_t parseAttributeID(struct parseCtx *ctx) | ||||||
| 4589 | { | ||||||
| 4590 | if (PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) == '{') | ||||||
| 4591 | { | ||||||
| 4592 | return parseHexField(ctx); | ||||||
| 4593 | } | ||||||
| 4594 | else | ||||||
| 4595 | { | ||||||
| 4596 | uint8_t avpid = 0; | ||||||
| 4597 | while (IS_DIGIT(PARSECTX_PEEK_CHAR_OID(ctx))(((( (ctx)->oid[(ctx)->currOidPos] )) >= '0' && (( (ctx)->oid[(ctx)->currOidPos] )) <= '9'))) | ||||||
| 4598 | { | ||||||
| 4599 | avpid *= 10; | ||||||
| 4600 | avpid += DIGIT2VALUE(PARSECTX_PEEK_CHAR_OID(ctx))(( (ctx)->oid[(ctx)->currOidPos] )-48); | ||||||
| 4601 | PARSECTX_STEP_OID(ctx, 1)((ctx)->currOidPos+=(1)); | ||||||
| 4602 | } | ||||||
| 4603 | |||||||
| 4604 | if (PARSECTX_CHECK_LEN(ctx, 1)(((ctx)->buffer)? (((ctx)->currBufferPos+1 <= (ctx)-> buffLen)? 0: 1): 0) == 0) | ||||||
| 4605 | { | ||||||
| 4606 | PARSECTX_WRITE_BUF(ctx, avpid)( ((ctx)->buffer)? (ctx)->buffer[(ctx)->currBufferPos ++] = (avpid): (ctx)->currBufferPos++ ); | ||||||
| 4607 | return 0; | ||||||
| 4608 | } | ||||||
| 4609 | } | ||||||
| 4610 | return 1; | ||||||
| 4611 | } | ||||||
| 4612 | |||||||
| 4613 | // NOLINTNEXTLINE(misc-no-recursion) | ||||||
| 4614 | static uint8_t parseAttributeData(struct parseCtx *ctx) | ||||||
| 4615 | { | ||||||
| 4616 | uint8_t ret; | ||||||
| 4617 | ctx->depth++; | ||||||
| 4618 | /* Preference text, not packet data. A deep OID must fail the parse, not abort. */ | ||||||
| 4619 | if (ctx->depth >= prefs.gui_max_tree_depth) | ||||||
| 4620 | { | ||||||
| 4621 | ctx->depth--; | ||||||
| 4622 | return 1; | ||||||
| 4623 | } | ||||||
| 4624 | if (PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) == '[') | ||||||
| 4625 | { | ||||||
| 4626 | ret = parseFormatOID(ctx); | ||||||
| 4627 | } | ||||||
| 4628 | else if (PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) == '{') | ||||||
| 4629 | { | ||||||
| 4630 | ret = parseHexField(ctx); | ||||||
| 4631 | } | ||||||
| 4632 | else | ||||||
| 4633 | { | ||||||
| 4634 | ret = parseStringField(ctx); | ||||||
| 4635 | } | ||||||
| 4636 | ctx->depth--; | ||||||
| 4637 | return ret; | ||||||
| 4638 | } | ||||||
| 4639 | |||||||
| 4640 | // NOLINTNEXTLINE(misc-no-recursion) | ||||||
| 4641 | static uint8_t parseAttribute(struct parseCtx *ctx) | ||||||
| 4642 | { | ||||||
| 4643 | if (parseAttributeID(ctx) == 0) | ||||||
| 4644 | { | ||||||
| 4645 | /* separated by ':' */ | ||||||
| 4646 | if (PARSECTX_READ_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos++] ) == ':' && PARSECTX_CHECK_LEN(ctx, 1)(((ctx)->buffer)? (((ctx)->currBufferPos+1 <= (ctx)-> buffLen)? 0: 1): 0) == 0) | ||||||
| 4647 | { | ||||||
| 4648 | uint8_t *length = PARSECTX_GET_CURRENT_POS_BUF(ctx)( ((ctx)->buffer)? (ctx)->buffer+(ctx)->currBufferPos : ((void*)0) ); | ||||||
| 4649 | if (length == NULL((void*)0)) | ||||||
| 4650 | return 0; | ||||||
| 4651 | |||||||
| 4652 | PARSECTX_STEP_BUF(ctx, 1)( (ctx)->currBufferPos+=(1)); | ||||||
| 4653 | |||||||
| 4654 | if (parseAttributeData(ctx) == 0) | ||||||
| 4655 | { | ||||||
| 4656 | PARSECTX_WRITE_AT_POS_BUF(ctx, length, (uint8_t)(PARSECTX_GET_CURRENT_POS_BUF(ctx) - (length + 1)))do{ if((ctx)->buffer) *(length) = ((uint8_t)(( ((ctx)-> buffer)? (ctx)->buffer+(ctx)->currBufferPos: ((void*)0) ) - (length + 1))); } while(0); | ||||||
| 4657 | return 0; | ||||||
| 4658 | } | ||||||
| 4659 | } | ||||||
| 4660 | } | ||||||
| 4661 | return 1; | ||||||
| 4662 | } | ||||||
| 4663 | |||||||
| 4664 | // NOLINTNEXTLINE(misc-no-recursion) | ||||||
| 4665 | static uint8_t parseAttributes(struct parseCtx *ctx) | ||||||
| 4666 | { | ||||||
| 4667 | /* AVPs surrounded by '(' ')' but needs at least an avp */ | ||||||
| 4668 | if (PARSECTX_READ_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos++] ) == '(' && PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) != ')') | ||||||
| 4669 | { | ||||||
| 4670 | while (PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) != ')') | ||||||
| 4671 | { | ||||||
| 4672 | uint8_t *avpID = PARSECTX_GET_CURRENT_POS_BUF(ctx)( ((ctx)->buffer)? (ctx)->buffer+(ctx)->currBufferPos : ((void*)0) ); | ||||||
| 4673 | if (avpID == NULL((void*)0)) | ||||||
| 4674 | return 0; | ||||||
| 4675 | |||||||
| 4676 | if (parseAttribute(ctx) != 0) | ||||||
| 4677 | return 1; | ||||||
| 4678 | |||||||
| 4679 | /* multiple separated by '|' */ | ||||||
| 4680 | if (PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) == '|' && PARSECTX_PEEK_NEXT_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos+1] ) != ')') | ||||||
| 4681 | { | ||||||
| 4682 | PARSECTX_OR_AT_POS_BUF(ctx, avpID, 0x80)do{ if((ctx)->buffer) *(avpID) |= (0x80); } while(0); /* set that there is a next attribute */ | ||||||
| 4683 | PARSECTX_STEP_OID(ctx, 1)((ctx)->currOidPos+=(1)); | ||||||
| 4684 | } | ||||||
| 4685 | } | ||||||
| 4686 | PARSECTX_STEP_OID(ctx, 1)((ctx)->currOidPos+=(1)); | ||||||
| 4687 | return 0; | ||||||
| 4688 | } | ||||||
| 4689 | return 1; | ||||||
| 4690 | } | ||||||
| 4691 | |||||||
| 4692 | // NOLINTNEXTLINE(misc-no-recursion) | ||||||
| 4693 | static uint8_t parseFormatOID(struct parseCtx *ctx) | ||||||
| 4694 | { | ||||||
| 4695 | /* oid must start with '[' */ | ||||||
| 4696 | if (PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) == '[') | ||||||
| 4697 | { | ||||||
| 4698 | PARSECTX_STEP_OID(ctx, 1)((ctx)->currOidPos+=(1)); | ||||||
| 4699 | /* Get class id */ | ||||||
| 4700 | if (parseOIDClass(ctx) == 0) | ||||||
| 4701 | { | ||||||
| 4702 | /* separated by ':' */ | ||||||
| 4703 | if (PARSECTX_READ_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos++] ) == ':' && PARSECTX_CHECK_LEN(ctx, 1)(((ctx)->buffer)? (((ctx)->currBufferPos+1 <= (ctx)-> buffLen)? 0: 1): 0) == 0) | ||||||
| 4704 | { | ||||||
| 4705 | uint8_t *length = PARSECTX_GET_CURRENT_POS_BUF(ctx)( ((ctx)->buffer)? (ctx)->buffer+(ctx)->currBufferPos : ((void*)0) ); | ||||||
| 4706 | PARSECTX_STEP_BUF(ctx, 1)( (ctx)->currBufferPos+=(1)); | ||||||
| 4707 | |||||||
| 4708 | /* Get data */ | ||||||
| 4709 | if (PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) == '{') | ||||||
| 4710 | { | ||||||
| 4711 | /* hex data */ | ||||||
| 4712 | if (parseHexField(ctx) != 0) | ||||||
| 4713 | return 1; | ||||||
| 4714 | } | ||||||
| 4715 | else | ||||||
| 4716 | { | ||||||
| 4717 | /* string data */ | ||||||
| 4718 | if (parseStringField(ctx) != 0) | ||||||
| 4719 | return 1; | ||||||
| 4720 | } | ||||||
| 4721 | |||||||
| 4722 | /* Write length */ | ||||||
| 4723 | if (length == NULL((void*)0)) | ||||||
| 4724 | return 0; | ||||||
| 4725 | PARSECTX_WRITE_AT_POS_BUF(ctx, length, (uint8_t)(PARSECTX_GET_CURRENT_POS_BUF(ctx) - (length + 1)))do{ if((ctx)->buffer) *(length) = ((uint8_t)(( ((ctx)-> buffer)? (ctx)->buffer+(ctx)->currBufferPos: ((void*)0) ) - (length + 1))); } while(0); | ||||||
| 4726 | |||||||
| 4727 | /* Check if attributes exist */ | ||||||
| 4728 | if (PARSECTX_PEEK_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos] ) == '(') | ||||||
| 4729 | { | ||||||
| 4730 | PARSECTX_OR_AT_POS_BUF(ctx, length, 0x80)do{ if((ctx)->buffer) *(length) |= (0x80); } while(0); /* set that there are attributes */ | ||||||
| 4731 | if (parseAttributes(ctx) != 0) | ||||||
| 4732 | return 1; | ||||||
| 4733 | } | ||||||
| 4734 | |||||||
| 4735 | /* Ends with ] */ | ||||||
| 4736 | if (PARSECTX_READ_CHAR_OID(ctx)( (ctx)->oid[(ctx)->currOidPos++] ) == ']') | ||||||
| 4737 | { | ||||||
| 4738 | return 0; | ||||||
| 4739 | } | ||||||
| 4740 | } | ||||||
| 4741 | } | ||||||
| 4742 | } | ||||||
| 4743 | return 1; | ||||||
| 4744 | } | ||||||
| 4745 | |||||||
| 4746 | static uint8_t dof_oid_create_internal(const char *oid, uint32_t *size, uint8_t *buffer) | ||||||
| 4747 | { | ||||||
| 4748 | struct parseCtx ctx = {0}; | ||||||
| 4749 | |||||||
| 4750 | ctx.oid = oid; | ||||||
| 4751 | ctx.buffer = buffer; | ||||||
| 4752 | |||||||
| 4753 | if (oid) | ||||||
| 4754 | { | ||||||
| 4755 | if (size) | ||||||
| 4756 | { | ||||||
| 4757 | ctx.buffLen = (*size); | ||||||
| 4758 | ctx.oidLen = (uint32_t)strlen(oid); | ||||||
| 4759 | if (PARSECTX_PEEK_CHAR_OID(&ctx)( (&ctx)->oid[(&ctx)->currOidPos] ) == '[') | ||||||
| 4760 | { | ||||||
| 4761 | /* Format OID */ | ||||||
| 4762 | if (parseFormatOID(&ctx) == 0) | ||||||
| 4763 | { | ||||||
| 4764 | (*size) = ctx.currBufferPos; | ||||||
| 4765 | return 0; | ||||||
| 4766 | } | ||||||
| 4767 | } | ||||||
| 4768 | else if (PARSECTX_PEEK_CHAR_OID(&ctx)( (&ctx)->oid[(&ctx)->currOidPos] ) == '{') | ||||||
| 4769 | { | ||||||
| 4770 | /* HEX OID */ | ||||||
| 4771 | if (parseHexField(&ctx) == 0) | ||||||
| 4772 | { | ||||||
| 4773 | (*size) = ctx.currBufferPos; | ||||||
| 4774 | return 0; | ||||||
| 4775 | } | ||||||
| 4776 | } | ||||||
| 4777 | (*size) = 0; | ||||||
| 4778 | } | ||||||
| 4779 | } | ||||||
| 4780 | return 1; | ||||||
| 4781 | } | ||||||
| 4782 | |||||||
| 4783 | static void dof_oid_new_standard_string(const char *data, uint32_t *rsize, uint8_t **oid) | ||||||
| 4784 | { | ||||||
| 4785 | if (data) | ||||||
| 4786 | { | ||||||
| 4787 | uint8_t err; | ||||||
| 4788 | uint32_t size = 0; | ||||||
| 4789 | |||||||
| 4790 | /* Call parseInternal to find out how big the buffer needs to be. */ | ||||||
| 4791 | err = dof_oid_create_internal(data, &size, NULL((void*)0)); | ||||||
| 4792 | |||||||
| 4793 | if (err == 0) | ||||||
| 4794 | { | ||||||
| 4795 | /* Create the DOFObjectID using the size that was just computed. */ | ||||||
| 4796 | *oid = (uint8_t *)g_malloc(size + 1); /* Adds space for null-terminator, just in case. */ | ||||||
| 4797 | |||||||
| 4798 | if (*oid) | ||||||
| 4799 | { | ||||||
| 4800 | /* Now that the size is computed and the DOFObjectID is created, call parseInternal again to fill the oid buffer. */ | ||||||
| 4801 | err = dof_oid_create_internal(data, &size, *oid); | ||||||
| 4802 | |||||||
| 4803 | if (err == 0) | ||||||
| 4804 | { | ||||||
| 4805 | *rsize = size; | ||||||
| 4806 | return; | ||||||
| 4807 | } | ||||||
| 4808 | |||||||
| 4809 | g_free(*oid)(__builtin_object_size ((*oid), 0) != ((size_t) - 1)) ? g_free_sized (*oid, __builtin_object_size ((*oid), 0)) : (g_free) (*oid); | ||||||
| 4810 | } | ||||||
| 4811 | } | ||||||
| 4812 | } | ||||||
| 4813 | |||||||
| 4814 | *rsize = 0; | ||||||
| 4815 | *oid = NULL((void*)0); | ||||||
| 4816 | } | ||||||
| 4817 | |||||||
| 4818 | /* Binary Parsing Support */ | ||||||
| 4819 | |||||||
| 4820 | /** | ||||||
| 4821 | * Read a compressed 32-bit quantity (PDU Type.3). | ||||||
| 4822 | * Since the value is variable length, the new offset is | ||||||
| 4823 | * returned. The value can also be returned, along with the size, although | ||||||
| 4824 | * NULL is allowed for those parameters. | ||||||
| 4825 | */ | ||||||
| 4826 | static int read_c4(tvbuff_t *tvb, int offset, uint32_t *v, int *L) | ||||||
| 4827 | { | ||||||
| 4828 | uint32_t val = 0; | ||||||
| 4829 | uint8_t len = 0; | ||||||
| 4830 | uint8_t b = tvb_get_uint8(tvb, offset++); | ||||||
| 4831 | int i; | ||||||
| 4832 | |||||||
| 4833 | if ((b & 0x80) == 0) | ||||||
| 4834 | { | ||||||
| 4835 | len = 1; | ||||||
| 4836 | b = b & 0x7F; | ||||||
| 4837 | } | ||||||
| 4838 | else if ((b & 0x40) == 0) | ||||||
| 4839 | { | ||||||
| 4840 | len = 2; | ||||||
| 4841 | b = b & 0x3F; | ||||||
| 4842 | } | ||||||
| 4843 | else | ||||||
| 4844 | { | ||||||
| 4845 | len = 4; | ||||||
| 4846 | b = b & 0x3F; | ||||||
| 4847 | } | ||||||
| 4848 | |||||||
| 4849 | val = b; | ||||||
| 4850 | for (i = 1; i < len; i++) | ||||||
| 4851 | val = (val << 8) | tvb_get_uint8(tvb, offset++); | ||||||
| 4852 | |||||||
| 4853 | if (L) | ||||||
| 4854 | *L = len; | ||||||
| 4855 | if (v) | ||||||
| 4856 | *v = val; | ||||||
| 4857 | return offset; | ||||||
| 4858 | } | ||||||
| 4859 | |||||||
| 4860 | /** | ||||||
| 4861 | * Validate PDU Type.3 | ||||||
| 4862 | * Validates the encoding. | ||||||
| 4863 | * Add Expert Info if format invalid | ||||||
| 4864 | * This also validates Spec Type.3.1. | ||||||
| 4865 | */ | ||||||
| 4866 | static void validate_c4(packet_info *pinfo, proto_item *pi, uint32_t val, int len) | ||||||
| 4867 | { | ||||||
| 4868 | if (len > 1 && val < 0x80) | ||||||
| 4869 | { | ||||||
| 4870 | /* SPEC Type.3.1 Violation. */ | ||||||
| 4871 | expert_add_info_format(pinfo, pi, &ei_c2_c3_c4_format, "DOF Violation: Type.3.1: Compressed 32-bit Compression Mandatory."); | ||||||
| 4872 | } | ||||||
| 4873 | |||||||
| 4874 | if (len > 2 && val < 0x4000) | ||||||
| 4875 | { | ||||||
| 4876 | /* SPEC Type.3.1 Violation. */ | ||||||
| 4877 | expert_add_info_format(pinfo, pi, &ei_c2_c3_c4_format, "DOF Violation: Type.3.1: Compressed 32-bit Compression Mandatory."); | ||||||
| 4878 | } | ||||||
| 4879 | } | ||||||
| 4880 | |||||||
| 4881 | /** | ||||||
| 4882 | * Reads a compressed 24-bit quantity (PDU Type.2). | ||||||
| 4883 | * Since the value is variable length, the new offset is | ||||||
| 4884 | * returned. | ||||||
| 4885 | * The value can also be returned, along with the size, although | ||||||
| 4886 | * NULL is allowed for those parameters. | ||||||
| 4887 | */ | ||||||
| 4888 | static int read_c3(tvbuff_t *tvb, int offset, uint32_t *v, int *L) | ||||||
| 4889 | { | ||||||
| 4890 | uint32_t val = 0; | ||||||
| 4891 | uint8_t len = 0; | ||||||
| 4892 | uint8_t b = tvb_get_uint8(tvb, offset++); | ||||||
| 4893 | int i; | ||||||
| 4894 | |||||||
| 4895 | if ((b & 0x80) == 0) | ||||||
| 4896 | { | ||||||
| 4897 | len = 1; | ||||||
| 4898 | b = b & 0x7F; | ||||||
| 4899 | } | ||||||
| 4900 | else if ((b & 0x40) == 0) | ||||||
| 4901 | { | ||||||
| 4902 | len = 2; | ||||||
| 4903 | b = b & 0x3F; | ||||||
| 4904 | } | ||||||
| 4905 | else | ||||||
| 4906 | { | ||||||
| 4907 | len = 3; | ||||||
| 4908 | b = b & 0x3F; | ||||||
| 4909 | } | ||||||
| 4910 | |||||||
| 4911 | val = b; | ||||||
| 4912 | for (i = 1; i < len; i++) | ||||||
| 4913 | val = (val << 8) | tvb_get_uint8(tvb, offset++); | ||||||
| 4914 | |||||||
| 4915 | if (L) | ||||||
| 4916 | *L = len; | ||||||
| 4917 | if (v) | ||||||
| 4918 | *v = val; | ||||||
| 4919 | return offset; | ||||||
| 4920 | } | ||||||
| 4921 | |||||||
| 4922 | /** | ||||||
| 4923 | * Validate PDU Type.2 | ||||||
| 4924 | * Validates the encoding. | ||||||
| 4925 | * Adds Expert Info if format invalid | ||||||
| 4926 | * This also validates Spec Type.2.1. | ||||||
| 4927 | */ | ||||||
| 4928 | static void validate_c3(packet_info *pinfo, proto_item *pi, uint32_t val, int len) | ||||||
| 4929 | { | ||||||
| 4930 | if (len > 1 && val < 0x80) | ||||||
| 4931 | { | ||||||
| 4932 | /* SPEC Type.2.1 Violation. */ | ||||||
| 4933 | expert_add_info_format(pinfo, pi, &ei_c2_c3_c4_format, "DOF Violation: Type.2.1: Compressed 24-bit Compression Mandatory." ); | ||||||
| 4934 | } | ||||||
| 4935 | |||||||
| 4936 | if (len > 2 && val < 0x4000) | ||||||
| 4937 | { | ||||||
| 4938 | /* SPEC Type.2.1 Violation. */ | ||||||
| 4939 | expert_add_info_format(pinfo, pi, &ei_c2_c3_c4_format, "DOF Violation: Type.2.1: Compressed 24-bit Compression Mandatory."); | ||||||
| 4940 | } | ||||||
| 4941 | } | ||||||
| 4942 | |||||||
| 4943 | /** | ||||||
| 4944 | * Reads a compressed 16-bit quantity (PDU Type.1). | ||||||
| 4945 | * Since the value is variable length, the new offset is | ||||||
| 4946 | * returned. The value can also be returned, along with the size, although | ||||||
| 4947 | * NULL is allowed for those parameters. | ||||||
| 4948 | */ | ||||||
| 4949 | static int read_c2(tvbuff_t *tvb, int offset, uint16_t *v, int *L) | ||||||
| 4950 | { | ||||||
| 4951 | uint16_t val = 0; | ||||||
| 4952 | uint8_t b = tvb_get_uint8(tvb, offset++); | ||||||
| 4953 | if (b & 0x80) | ||||||
| 4954 | { | ||||||
| 4955 | b = b & 0x7F; | ||||||
| 4956 | val = (b << 8) | tvb_get_uint8(tvb, offset++); | ||||||
| 4957 | if (L) | ||||||
| 4958 | *L = 2; | ||||||
| 4959 | } | ||||||
| 4960 | else | ||||||
| 4961 | { | ||||||
| 4962 | val = b; | ||||||
| 4963 | if (L) | ||||||
| 4964 | *L = 1; | ||||||
| 4965 | } | ||||||
| 4966 | |||||||
| 4967 | if (v) | ||||||
| 4968 | *v = val; | ||||||
| 4969 | return offset; | ||||||
| 4970 | } | ||||||
| 4971 | |||||||
| 4972 | /** | ||||||
| 4973 | * Validates PDU Type.1 | ||||||
| 4974 | * Validates the encoding. | ||||||
| 4975 | * Adds Expert Info if format invalid | ||||||
| 4976 | * This also validates Spec Type.1.1. | ||||||
| 4977 | */ | ||||||
| 4978 | static void validate_c2(packet_info *pinfo, proto_item *pi, uint16_t val, int len) | ||||||
| 4979 | { | ||||||
| 4980 | if (len > 1 && val < 0x80) | ||||||
| 4981 | { | ||||||
| 4982 | /* SPEC Type.1.1 Violation. */ | ||||||
| 4983 | expert_add_info_format(pinfo, pi, &ei_c2_c3_c4_format, "DOF Violation: Type.1.1: Compressed 16-bit Compression Mandatory." ); | ||||||
| 4984 | } | ||||||
| 4985 | } | ||||||
| 4986 | |||||||
| 4987 | static void sid_packet_index_add(unsigned sid_id, dof_packet_data *packet) | ||||||
| 4988 | { | ||||||
| 4989 | GSList *list; | ||||||
| 4990 | |||||||
| 4991 | if (sid_id == 0 || packet
| ||||||
| 4992 | return; | ||||||
| 4993 | |||||||
| 4994 | list = (GSList *)g_hash_table_lookup(sid_id_to_packets, GUINT_TO_POINTER(sid_id)((gpointer) (gulong) (sid_id))); | ||||||
| 4995 | g_hash_table_steal(sid_id_to_packets, GUINT_TO_POINTER(sid_id)((gpointer) (gulong) (sid_id))); | ||||||
| 4996 | list = g_slist_prepend(list, packet); | ||||||
| 4997 | g_hash_table_insert(sid_id_to_packets, GUINT_TO_POINTER(sid_id)((gpointer) (gulong) (sid_id)), list); | ||||||
| 4998 | } | ||||||
| 4999 | |||||||
| 5000 | /* Move every packet that stored sid_id_incorrect over to sid_id_correct. */ | ||||||
| 5001 | static void retarget_sid_id(unsigned sid_id_incorrect, unsigned sid_id_correct) | ||||||
| 5002 | { | ||||||
| 5003 | GSList *saved; | ||||||
| 5004 | GSList *l; | ||||||
| 5005 | |||||||
| 5006 | if (sid_id_incorrect == 0 || sid_id_incorrect == sid_id_correct || sid_id_to_packets == NULL((void*)0)) | ||||||
| 5007 | return; | ||||||
| 5008 | |||||||
| 5009 | saved = g_slist_copy((GSList *)g_hash_table_lookup(sid_id_to_packets, GUINT_TO_POINTER(sid_id_incorrect)((gpointer) (gulong) (sid_id_incorrect)))); | ||||||
| 5010 | for (l = saved; l; l = l->next) | ||||||
| 5011 | { | ||||||
| 5012 | dof_packet_data *ptr = (dof_packet_data *)l->data; | ||||||
| 5013 | |||||||
| 5014 | if (ptr->sender_sid_id == sid_id_incorrect) | ||||||
| 5015 | ptr->sender_sid_id = sid_id_correct; | ||||||
| 5016 | if (ptr->receiver_sid_id == sid_id_incorrect) | ||||||
| 5017 | ptr->receiver_sid_id = sid_id_correct; | ||||||
| 5018 | if (ptr->op.op_sid_id == sid_id_incorrect) | ||||||
| 5019 | ptr->op.op_sid_id = sid_id_correct; | ||||||
| 5020 | if (ptr->ref_op.op_sid_id == sid_id_incorrect) | ||||||
| 5021 | ptr->ref_op.op_sid_id = sid_id_correct; | ||||||
| 5022 | |||||||
| 5023 | sid_packet_index_add(sid_id_correct, ptr); | ||||||
| 5024 | } | ||||||
| 5025 | g_slist_free(saved); | ||||||
| 5026 | g_hash_table_remove(sid_id_to_packets, GUINT_TO_POINTER(sid_id_incorrect)((gpointer) (gulong) (sid_id_incorrect))); | ||||||
| 5027 | |||||||
| 5028 | /* Senders that were given the provisional id get the correct one in | ||||||
| 5029 | * later packets too. */ | ||||||
| 5030 | if (node_key_to_sid_id != NULL((void*)0)) | ||||||
| 5031 | { | ||||||
| 5032 | GHashTableIter iter; | ||||||
| 5033 | void *value; | ||||||
| 5034 | |||||||
| 5035 | g_hash_table_iter_init(&iter, node_key_to_sid_id); | ||||||
| 5036 | while (g_hash_table_iter_next(&iter, NULL((void*)0), &value)) | ||||||
| 5037 | { | ||||||
| 5038 | if (GPOINTER_TO_UINT(value)((guint) (gulong) (value)) == sid_id_incorrect) | ||||||
| 5039 | g_hash_table_iter_replace(&iter, GUINT_TO_POINTER(sid_id_correct)((gpointer) (gulong) (sid_id_correct))); | ||||||
| 5040 | } | ||||||
| 5041 | } | ||||||
| 5042 | } | ||||||
| 5043 | |||||||
| 5044 | /** | ||||||
| 5045 | * Given a packet data, and assuming that all of the prerequisite information is known, | ||||||
| 5046 | * assign a SID ID to the packet if not already assigned. | ||||||
| 5047 | * A SID ID is the *possibility* of a unique SID, but until the SID is learned the | ||||||
| 5048 | * association is not made. Further, multiple SID ID may end up referring to the | ||||||
| 5049 | * same SID, in which case the assignment must be repaired. | ||||||
| 5050 | */ | ||||||
| 5051 | static void assign_sid_id(dof_api_data *api_data) | ||||||
| 5052 | { | ||||||
| 5053 | node_key_to_sid_id_key lookup_key; | ||||||
| 5054 | node_key_to_sid_id_key *key; | ||||||
| 5055 | dof_session_data *session; | ||||||
| 5056 | dof_packet_data *packet; | ||||||
| 5057 | unsigned value; | ||||||
| 5058 | |||||||
| 5059 | /* Validate input. These represent dissector misuse, not decoding problems. */ | ||||||
| 5060 | /* TODO: Diagnostic/programmer message. */ | ||||||
| 5061 | if (!api_data || !api_data->packet || !api_data->session) | ||||||
| 5062 | return; | ||||||
| 5063 | |||||||
| 5064 | session = api_data->session; | ||||||
| 5065 | packet = (dof_packet_data *)api_data->packet; | ||||||
| 5066 | |||||||
| 5067 | |||||||
| 5068 | /* Check if the sender_sid_id is already assigned, if so we are done. */ | ||||||
| 5069 | if (!packet->sender_sid_id) | ||||||
| 5070 | { | ||||||
| 5071 | /* Build a (non-allocated) key to do the lookup. */ | ||||||
| 5072 | lookup_key.transport_id = api_data->transport_session->transport_id; | ||||||
| 5073 | lookup_key.transport_node_id = api_data->transport_packet->sender_id; | ||||||
| 5074 | lookup_key.dof_id = session->dof_id; | ||||||
| 5075 | lookup_key.dof_node_id = packet->sender_id; | ||||||
| 5076 | lookup_key.dof_session_id = session->session_id; | ||||||
| 5077 | |||||||
| 5078 | value = GPOINTER_TO_UINT(g_hash_table_lookup(node_key_to_sid_id, &lookup_key))((guint) (gulong) (g_hash_table_lookup(node_key_to_sid_id, & lookup_key))); | ||||||
| 5079 | if (value) | ||||||
| 5080 | { | ||||||
| 5081 | void *sid_id_key = GUINT_TO_POINTER(value)((gpointer) (gulong) (value)); | ||||||
| 5082 | void *sid_buffer; | ||||||
| 5083 | |||||||
| 5084 | /* We found a match. */ | ||||||
| 5085 | packet->sender_sid_id = value; | ||||||
| 5086 | |||||||
| 5087 | /* If we know the SID, we must get it now. */ | ||||||
| 5088 | sid_buffer = g_hash_table_lookup(sid_id_to_sid_buffer, sid_id_key); | ||||||
| 5089 | if (sid_buffer) | ||||||
| 5090 | { | ||||||
| 5091 | /* We found a match. */ | ||||||
| 5092 | packet->sender_sid = (dof_2009_1_pdu_19_sid)sid_buffer; | ||||||
| 5093 | } | ||||||
| 5094 | } | ||||||
| 5095 | else | ||||||
| 5096 | { | ||||||
| 5097 | /* No match, need to add a key. */ | ||||||
| 5098 | key = g_new0(node_key_to_sid_id_key, 1)((node_key_to_sid_id_key *) g_malloc0_n ((1), sizeof (node_key_to_sid_id_key ))); | ||||||
| 5099 | memcpy(key, &lookup_key, sizeof(node_key_to_sid_id_key)); | ||||||
| 5100 | |||||||
| 5101 | /* Note, this is not multithread safe, but Wireshark isn't multithreaded. */ | ||||||
| 5102 | g_hash_table_insert(node_key_to_sid_id, key, GUINT_TO_POINTER(dpp_next_sid_id)((gpointer) (gulong) (dpp_next_sid_id))); | ||||||
| 5103 | packet->sender_sid_id = dpp_next_sid_id++; | ||||||
| 5104 | } | ||||||
| 5105 | sid_packet_index_add(packet->sender_sid_id, packet); | ||||||
| 5106 | } | ||||||
| 5107 | |||||||
| 5108 | /* Check if the receiver_sid_id is already assigned, if so we are done. */ | ||||||
| 5109 | if (!packet->receiver_sid_id) | ||||||
| 5110 | { | ||||||
| 5111 | /* Build a (non-allocated) key to do the lookup. */ | ||||||
| 5112 | lookup_key.transport_id = api_data->transport_session->transport_id; | ||||||
| 5113 | lookup_key.transport_node_id = api_data->transport_packet->receiver_id; | ||||||
| 5114 | lookup_key.dof_id = session->dof_id; | ||||||
| 5115 | lookup_key.dof_node_id = packet->receiver_id; | ||||||
| 5116 | lookup_key.dof_session_id = session->session_id; | ||||||
| 5117 | |||||||
| 5118 | value = GPOINTER_TO_UINT(g_hash_table_lookup(node_key_to_sid_id, &lookup_key))((guint) (gulong) (g_hash_table_lookup(node_key_to_sid_id, & lookup_key))); | ||||||
| 5119 | if (value) | ||||||
| 5120 | { | ||||||
| 5121 | void *sid_id_key = GUINT_TO_POINTER(value)((gpointer) (gulong) (value)); | ||||||
| 5122 | void *sid_buffer; | ||||||
| 5123 | |||||||
| 5124 | /* We found a match. */ | ||||||
| 5125 | packet->receiver_sid_id = value; | ||||||
| 5126 | |||||||
| 5127 | /* If we know the SID, we must get it now. */ | ||||||
| 5128 | sid_buffer = g_hash_table_lookup(sid_id_to_sid_buffer, sid_id_key); | ||||||
| 5129 | if (sid_buffer) | ||||||
| 5130 | { | ||||||
| 5131 | /* We found a match. */ | ||||||
| 5132 | packet->receiver_sid = (dof_2009_1_pdu_19_sid)sid_buffer; | ||||||
| 5133 | } | ||||||
| 5134 | } | ||||||
| 5135 | else | ||||||
| 5136 | { | ||||||
| 5137 | /* No match, need to add a key. */ | ||||||
| 5138 | key = g_new0(node_key_to_sid_id_key, 1)((node_key_to_sid_id_key *) g_malloc0_n ((1), sizeof (node_key_to_sid_id_key ))); | ||||||
| 5139 | memcpy(key, &lookup_key, sizeof(node_key_to_sid_id_key)); | ||||||
| 5140 | |||||||
| 5141 | /* Note, this is not multithread safe, but Wireshark isn't multithreaded. */ | ||||||
| 5142 | g_hash_table_insert(node_key_to_sid_id, key, GUINT_TO_POINTER(dpp_next_sid_id)((gpointer) (gulong) (dpp_next_sid_id))); | ||||||
| 5143 | packet->receiver_sid_id = dpp_next_sid_id++; | ||||||
| 5144 | } | ||||||
| 5145 | if (packet->receiver_sid_id != packet->sender_sid_id) | ||||||
| 5146 | sid_packet_index_add(packet->receiver_sid_id, packet); | ||||||
| 5147 | } | ||||||
| 5148 | |||||||
| 5149 | } | ||||||
| 5150 | |||||||
| 5151 | /** | ||||||
| 5152 | * Declare that the sender of the packet is known to have a SID | ||||||
| 5153 | * that is identified by the specified buffer. There are a few | ||||||
| 5154 | * cases here: | ||||||
| 5155 | * 1. The sid of the sender is already assigned. This is a NOP. | ||||||
| 5156 | * 2. The sid has never been seen. This associates the SID with the sender SID ID. | ||||||
| 5157 | * 3. The sid has been seen, and matches the SID ID of the sender. This just sets the sid field. | ||||||
| 5158 | * 4. The sid has been seen, but with a different SID ID than ours. Patch up all the packets. | ||||||
| 5159 | */ | ||||||
| 5160 | static void learn_sender_sid(dof_api_data *api_data, unsigned length, const uint8_t *sid) | ||||||
| 5161 | { | ||||||
| 5162 | dof_packet_data *packet; | ||||||
| 5163 | uint8_t lookup_key[256]; | ||||||
| 5164 | uint8_t *key; | ||||||
| 5165 | void *value; | ||||||
| 5166 | |||||||
| 5167 | /* Validate input. */ | ||||||
| 5168 | if (!api_data) | ||||||
| 5169 | { | ||||||
| 5170 | /* TODO: Print error. */ | ||||||
| 5171 | return; | ||||||
| 5172 | } | ||||||
| 5173 | |||||||
| 5174 | if (!api_data->packet) | ||||||
| 5175 | { | ||||||
| 5176 | /* TODO: Print error. */ | ||||||
| 5177 | return; | ||||||
| 5178 | } | ||||||
| 5179 | |||||||
| 5180 | packet = (dof_packet_data *)api_data->packet; | ||||||
| 5181 | if (!packet->sender_sid_id) | ||||||
| 5182 | return; | ||||||
| 5183 | |||||||
| 5184 | /* Check for sender SID already known. */ | ||||||
| 5185 | if (packet->sender_sid) | ||||||
| 5186 | return; | ||||||
| 5187 | |||||||
| 5188 | /* The key holds the length in one octet; a longer SID is not learned */ | ||||||
| 5189 | if (length > UINT8_MAX(255)) | ||||||
| 5190 | return; | ||||||
| 5191 | |||||||
| 5192 | /* Check for SID already known (has assigned SID ID) */ | ||||||
| 5193 | /* Build a (non-allocated) key to do the lookup. */ | ||||||
| 5194 | lookup_key[0] = length; | ||||||
| 5195 | memcpy(lookup_key + 1, sid, length); | ||||||
| 5196 | |||||||
| 5197 | if (g_hash_table_lookup_extended(sid_buffer_to_sid_id, &lookup_key, (void * *)&key, &value)) | ||||||
| 5198 | { | ||||||
| 5199 | unsigned sid_id = GPOINTER_TO_UINT(value)((guint) (gulong) (value)); | ||||||
| 5200 | |||||||
| 5201 | /* We found a match. */ | ||||||
| 5202 | if (packet->sender_sid_id == sid_id) | ||||||
| 5203 | { | ||||||
| 5204 | /* It matches our SID ID. Set the sid field. */ | ||||||
| 5205 | packet->sender_sid = key; | ||||||
| 5206 | return; | ||||||
| 5207 | } | ||||||
| 5208 | else | ||||||
| 5209 | { | ||||||
| 5210 | /* There is a mis-match between SID and SID ID. Packets that stored | ||||||
| 5211 | * the provisional id are retargeted to the id this SID already has. | ||||||
| 5212 | */ | ||||||
| 5213 | retarget_sid_id(packet->sender_sid_id, sid_id); | ||||||
| 5214 | } | ||||||
| 5215 | |||||||
| 5216 | return; | ||||||
| 5217 | } | ||||||
| 5218 | |||||||
| 5219 | /* The SID has never been seen. Associate with the SID ID. */ | ||||||
| 5220 | key = (dof_2009_1_pdu_19_sid)g_malloc0(length + 1); | ||||||
| 5221 | memcpy(key, lookup_key, length + 1); | ||||||
| 5222 | |||||||
| 5223 | /* Note, this is not multithread safe, but Wireshark isn't multithreaded. */ | ||||||
| 5224 | g_hash_table_insert(sid_buffer_to_sid_id, key, GUINT_TO_POINTER(packet->sender_sid_id)((gpointer) (gulong) (packet->sender_sid_id))); | ||||||
| 5225 | g_hash_table_insert(sid_id_to_sid_buffer, GUINT_TO_POINTER(packet->sender_sid_id)((gpointer) (gulong) (packet->sender_sid_id)), key); | ||||||
| 5226 | |||||||
| 5227 | /* NOTE: We are storing a reference to the SID in the packet data. This memory | ||||||
| 5228 | * will be freed by the dissector init routine when the SID hash table is destroyed. | ||||||
| 5229 | * Nothing else should free this SID. | ||||||
| 5230 | */ | ||||||
| 5231 | packet->sender_sid = (dof_2009_1_pdu_19_sid)key; | ||||||
| 5232 | |||||||
| 5233 | /* We have learned the "correct" sid and sid_id, so we can set the sid of | ||||||
| 5234 | * any packets that have this sid_id (saves hash lookups in the future). | ||||||
| 5235 | */ | ||||||
| 5236 | { | ||||||
| 5237 | GSList *l; | ||||||
| 5238 | GSList *list = NULL((void*)0); | ||||||
| 5239 | |||||||
| 5240 | if (sid_id_to_packets) | ||||||
| 5241 | list = (GSList *)g_hash_table_lookup(sid_id_to_packets, GUINT_TO_POINTER(packet->sender_sid_id)((gpointer) (gulong) (packet->sender_sid_id))); | ||||||
| 5242 | |||||||
| 5243 | for (l = list; l; l = l->next) | ||||||
| 5244 | { | ||||||
| 5245 | dof_packet_data *ptr = (dof_packet_data *)l->data; | ||||||
| 5246 | |||||||
| 5247 | if (ptr->sender_sid_id == packet->sender_sid_id) | ||||||
| 5248 | ptr->sender_sid = key; | ||||||
| 5249 | |||||||
| 5250 | if (ptr->receiver_sid_id == packet->sender_sid_id) | ||||||
| 5251 | ptr->receiver_sid = key; | ||||||
| 5252 | } | ||||||
| 5253 | } | ||||||
| 5254 | } | ||||||
| 5255 | |||||||
| 5256 | /** | ||||||
| 5257 | * Learn a SID from an explicit operation. This only defines sids and sid ids. | ||||||
| 5258 | */ | ||||||
| 5259 | static void learn_operation_sid(dof_packet_data *packet, dof_2009_1_pdu_20_opid *opid, unsigned length, const uint8_t *sid) | ||||||
| 5260 | { | ||||||
| 5261 | uint8_t lookup_key[256]; | ||||||
| 5262 | uint8_t *key; | ||||||
| 5263 | void *value; | ||||||
| 5264 | |||||||
| 5265 | /* Check for sender SID already known. */ | ||||||
| 5266 | if (opid->op_sid) | ||||||
| 5267 | return; | ||||||
| 5268 | |||||||
| 5269 | /* The key holds the length in one octet; a longer SID is not learned */ | ||||||
| 5270 | if (length > UINT8_MAX(255)) | ||||||
| 5271 | return; | ||||||
| 5272 | |||||||
| 5273 | /* Check for SID already known (has assigned SID ID) */ | ||||||
| 5274 | /* Build a (non-allocated) key to do the lookup. */ | ||||||
| 5275 | lookup_key[0] = length; | ||||||
| 5276 | memcpy(lookup_key + 1, sid, length); | ||||||
| 5277 | |||||||
| 5278 | if (g_hash_table_lookup_extended(sid_buffer_to_sid_id, &lookup_key, (void * *)&key, &value)) | ||||||
| 5279 | { | ||||||
| 5280 | unsigned sid_id = GPOINTER_TO_UINT(value)((guint) (gulong) (value)); | ||||||
| 5281 | |||||||
| 5282 | opid->op_sid_id = sid_id; | ||||||
| 5283 | opid->op_sid = key; | ||||||
| 5284 | if (packet
| ||||||
| 5285 | sid_packet_index_add(sid_id, packet); | ||||||
| 5286 | return; | ||||||
| 5287 | } | ||||||
| 5288 | |||||||
| 5289 | /* The SID has never been seen. Associate with the SID ID. */ | ||||||
| 5290 | key = (dof_2009_1_pdu_19_sid)g_malloc0(length + 1); | ||||||
| 5291 | memcpy(key, lookup_key, length + 1); | ||||||
| 5292 | |||||||
| 5293 | /* Assign the op_sid_id. */ | ||||||
| 5294 | opid->op_sid_id = dpp_next_sid_id++; | ||||||
| 5295 | if (packet && opid->op_sid_id != packet->sender_sid_id && opid->op_sid_id != packet->receiver_sid_id) | ||||||
| 5296 | sid_packet_index_add(opid->op_sid_id, packet); | ||||||
| 5297 | |||||||
| 5298 | /* Note, this is not multithread safe, but Wireshark isn't multithreaded. */ | ||||||
| 5299 | g_hash_table_insert(sid_buffer_to_sid_id, key, GUINT_TO_POINTER(opid->op_sid_id)((gpointer) (gulong) (opid->op_sid_id))); | ||||||
| 5300 | g_hash_table_insert(sid_id_to_sid_buffer, GUINT_TO_POINTER(opid->op_sid_id)((gpointer) (gulong) (opid->op_sid_id)), key); | ||||||
| 5301 | |||||||
| 5302 | /* NOTE: We are storing a reference to the SID in the packet data. This memory | ||||||
| 5303 | * will be freed by the dissector init routine when the SID hash table is destroyed. | ||||||
| 5304 | * Nothing else should free this SID. | ||||||
| 5305 | */ | ||||||
| 5306 | opid->op_sid = (dof_2009_1_pdu_19_sid)key; | ||||||
| 5307 | } | ||||||
| 5308 | |||||||
| 5309 | static void generateMac(gcry_cipher_hd_t cipher_state, uint8_t *nonce, const uint8_t *epp, int a_len, uint8_t *data, int len, uint8_t *mac, int mac_len) | ||||||
| 5310 | { | ||||||
| 5311 | uint16_t i; | ||||||
| 5312 | |||||||
| 5313 | /* a_len = 1, t = mac_len, q = 4: (t-2)/2 : (q-1) -> 4B */ | ||||||
| 5314 | mac[0] = 0x43 | (((mac_len - 2) / 2) << 3); | ||||||
| 5315 | memcpy(mac + 1, nonce, 11); | ||||||
| 5316 | memset(mac + 12, 0, 4); | ||||||
| 5317 | mac[14] = len >> 8; | ||||||
| 5318 | mac[15] = len & 0xFF; | ||||||
| 5319 | |||||||
| 5320 | gcry_cipher_encrypt(cipher_state, mac, 16, NULL((void*)0), 0); | ||||||
| 5321 | |||||||
| 5322 | mac[0] ^= (a_len >> 8); | ||||||
| 5323 | mac[1] ^= (a_len); | ||||||
| 5324 | i = 2; | ||||||
| 5325 | |||||||
| 5326 | for (int cnt = 0; cnt < a_len; cnt++, i++) | ||||||
| 5327 | { | ||||||
| 5328 | if (i % 16 == 0) | ||||||
| 5329 | gcry_cipher_encrypt(cipher_state, mac, 16, NULL((void*)0), 0); | ||||||
| 5330 | |||||||
| 5331 | mac[i % 16] ^= epp[cnt]; | ||||||
| 5332 | } | ||||||
| 5333 | |||||||
| 5334 | i = 0; | ||||||
| 5335 | for (int cnt = 0; cnt < len; cnt++, i++) | ||||||
| 5336 | { | ||||||
| 5337 | if (i % 16 == 0) | ||||||
| 5338 | gcry_cipher_encrypt(cipher_state, mac, 16, NULL((void*)0), 0); | ||||||
| 5339 | |||||||
| 5340 | mac[i % 16] ^= data[cnt]; | ||||||
| 5341 | } | ||||||
| 5342 | |||||||
| 5343 | gcry_cipher_encrypt(cipher_state, mac, 16, NULL((void*)0), 0); | ||||||
| 5344 | } | ||||||
| 5345 | |||||||
| 5346 | static gcry_cipher_hd_t ccm_packet_cipher(ccm_session_data *session, ccm_packet_data *pdata) | ||||||
| 5347 | { | ||||||
| 5348 | if (!pdata || pdata->period == 0) | ||||||
| 5349 | return session->cipher_data; | ||||||
| 5350 | |||||||
| 5351 | if (session->cipher_data_table) | ||||||
| 5352 | { | ||||||
| 5353 | ccm_period_key *pk = (ccm_period_key *)g_hash_table_lookup(session->cipher_data_table, GUINT_TO_POINTER(pdata->period)((gpointer) (gulong) (pdata->period))); | ||||||
| 5354 | if (pk) | ||||||
| 5355 | return pk->cipher; | ||||||
| 5356 | } | ||||||
| 5357 | return NULL((void*)0); | ||||||
| 5358 | } | ||||||
| 5359 | |||||||
| 5360 | static int decrypt(ccm_session_data *session, ccm_packet_data *pdata, uint8_t *nonce, const uint8_t *epp, int a_len, uint8_t *data, int len) | ||||||
| 5361 | { | ||||||
| 5362 | int i; | ||||||
| 5363 | unsigned char ctr[16]; | ||||||
| 5364 | unsigned char encrypted_ctr[16]; | ||||||
| 5365 | unsigned char mac[16]; | ||||||
| 5366 | unsigned char computed_mac[16]; | ||||||
| 5367 | unsigned int skip; | ||||||
| 5368 | gcry_cipher_hd_t cipher; | ||||||
| 5369 | |||||||
| 5370 | if (data == NULL((void*)0) || len <= 0) | ||||||
| 5371 | return 0; | ||||||
| 5372 | |||||||
| 5373 | /* Check the mac length. Ciphertext shorter than the MAC is rejected before any copy. */ | ||||||
| 5374 | if (session->mac_len < 4 || session->mac_len > 16 || len < session->mac_len) | ||||||
| 5375 | return 0; | ||||||
| 5376 | |||||||
| 5377 | cipher = ccm_packet_cipher(session, pdata); | ||||||
| 5378 | if (!cipher) | ||||||
| 5379 | return 0; | ||||||
| 5380 | |||||||
| 5381 | /* Determine how many blocks are skipped. */ | ||||||
| 5382 | #if 0 /* seems to be dead code... check this! */ | ||||||
| 5383 | skip = a_len + 2; | ||||||
| 5384 | skip /= 16; | ||||||
| 5385 | if ((a_len + 2) % 16) | ||||||
| 5386 | skip += 1; | ||||||
| 5387 | #endif | ||||||
| 5388 | skip = 0; | ||||||
| 5389 | |||||||
| 5390 | /* This is hard-coded for q=4. This can only change with a protocol revision. | ||||||
| 5391 | Note the value is stored as (q-1). */ | ||||||
| 5392 | ctr[0] = 0x03; | ||||||
| 5393 | memcpy(ctr + 1, nonce, 11); | ||||||
| 5394 | ctr[12] = 0; | ||||||
| 5395 | ctr[13] = 0; | ||||||
| 5396 | ctr[14] = 0; | ||||||
| 5397 | ctr[15] = skip; /* Preincremented below. */ | ||||||
| 5398 | |||||||
| 5399 | |||||||
| 5400 | for (i = 0; i < len - session->mac_len; i++) | ||||||
| 5401 | { | ||||||
| 5402 | if (i % 16 == 0) | ||||||
| 5403 | { | ||||||
| 5404 | if (ctr[15] == 255) | ||||||
| 5405 | ctr[14] += 1; | ||||||
| 5406 | ctr[15] += 1; | ||||||
| 5407 | memcpy(encrypted_ctr, ctr, 16); | ||||||
| 5408 | gcry_cipher_encrypt(cipher, encrypted_ctr, 16, NULL((void*)0), 0); | ||||||
| 5409 | } | ||||||
| 5410 | |||||||
| 5411 | data[i] ^= encrypted_ctr[i % 16]; | ||||||
| 5412 | } | ||||||
| 5413 | |||||||
| 5414 | memcpy(mac, data + i, session->mac_len); | ||||||
| 5415 | |||||||
| 5416 | ctr[12] = 0; | ||||||
| 5417 | ctr[13] = 0; | ||||||
| 5418 | ctr[14] = 0; | ||||||
| 5419 | ctr[15] = 0; | ||||||
| 5420 | memcpy(encrypted_ctr, ctr, 16); | ||||||
| 5421 | gcry_cipher_encrypt(cipher, encrypted_ctr, 16, NULL((void*)0), 0); | ||||||
| 5422 | |||||||
| 5423 | for (i = 0; i < session->mac_len; i++) | ||||||
| 5424 | mac[i] ^= encrypted_ctr[i]; | ||||||
| 5425 | |||||||
| 5426 | /* Now we have to generate the MAC... */ | ||||||
| 5427 | generateMac(cipher, nonce, epp, a_len, data, (int)(len - session->mac_len), computed_mac, session->mac_len); | ||||||
| 5428 | if (!memcmp(mac, computed_mac, session->mac_len)) | ||||||
| 5429 | return 1; | ||||||
| 5430 | |||||||
| 5431 | /* Failure */ | ||||||
| 5432 | return 0; | ||||||
| 5433 | } | ||||||
| 5434 | |||||||
| 5435 | /* Master Protocol Layer Handlers */ | ||||||
| 5436 | |||||||
| 5437 | /** | ||||||
| 5438 | * This dissector is handed a DPP packet of any version. It is responsible for decoding | ||||||
| 5439 | * the common header fields and then passing off to the specific DPP dissector | ||||||
| 5440 | */ | ||||||
| 5441 | static int dissect_app_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 5442 | { | ||||||
| 5443 | col_clear(pinfo->cinfo, COL_INFO); | ||||||
| 5444 | |||||||
| 5445 | /* Compute the APP control information. This is the version and the flags byte. | ||||||
| 5446 | * The flags byte is either present, or is based on the version (and can be defaulted). | ||||||
| 5447 | */ | ||||||
| 5448 | { | ||||||
| 5449 | uint16_t app; | ||||||
| 5450 | int app_len; | ||||||
| 5451 | |||||||
| 5452 | read_c2(tvb, 0, &app, &app_len); | ||||||
| 5453 | |||||||
| 5454 | col_add_fstr(pinfo->cinfo, COL_PROTOCOL, "APP(%u)", app); | ||||||
| 5455 | |||||||
| 5456 | /* call the next dissector */ | ||||||
| 5457 | if (dissector_try_uint_with_data(app_dissectors, app, tvb, pinfo, tree, true1, data)) | ||||||
| 5458 | { | ||||||
| 5459 | col_set_fence(pinfo->cinfo, COL_PROTOCOL); | ||||||
| 5460 | col_set_fence(pinfo->cinfo, COL_INFO); | ||||||
| 5461 | |||||||
| 5462 | return tvb_reported_length(tvb); | ||||||
| 5463 | } | ||||||
| 5464 | else | ||||||
| 5465 | { | ||||||
| 5466 | proto_tree_add_protocol_format(tree, proto_2008_1_app, tvb, 0, app_len, | ||||||
| 5467 | DOF_APPLICATION_PROTOCOL"DOF Application Protocol" ", Version: %u", app); | ||||||
| 5468 | } | ||||||
| 5469 | } | ||||||
| 5470 | |||||||
| 5471 | return 0; | ||||||
| 5472 | } | ||||||
| 5473 | |||||||
| 5474 | /** | ||||||
| 5475 | * This dissector is handed a DPP packet of any version. It is responsible for decoding | ||||||
| 5476 | * the common header fields and then passing off to the specific DPP dissector | ||||||
| 5477 | */ | ||||||
| 5478 | static int dof_dissect_dpp_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 5479 | { | ||||||
| 5480 | dof_api_data *api_data = (dof_api_data *)data; | ||||||
| 5481 | unsigned offset = 0; | ||||||
| 5482 | |||||||
| 5483 | DISSECTOR_ASSERT(api_data != NULL)((void) ((api_data != ((void*)0)) ? (void)0 : (proto_report_dissector_bug ("%s:%u: failed assertion \"%s\"", "epan/dissectors/packet-dof.c" , 5483, "api_data != ((void*)0)")))); | ||||||
| 5484 | |||||||
| 5485 | col_clear(pinfo->cinfo, COL_INFO); | ||||||
| 5486 | |||||||
| 5487 | /* Compute the DPP control information. This is the version and the flags byte. | ||||||
| 5488 | * The flags byte is either present, or is based on the version (and can be defaulted). | ||||||
| 5489 | */ | ||||||
| 5490 | { | ||||||
| 5491 | uint8_t header = tvb_get_uint8(tvb, offset); | ||||||
| 5492 | uint8_t dpp_version = header & 0x7F; | ||||||
| 5493 | uint8_t dpp_flags_included = header & 0x80; | ||||||
| 5494 | proto_item *hi; | ||||||
| 5495 | proto_tree * dpp_root,*dpp_tree; | ||||||
| 5496 | |||||||
| 5497 | col_add_fstr(pinfo->cinfo, COL_PROTOCOL, "DPPv%u", dpp_version); | ||||||
| 5498 | |||||||
| 5499 | |||||||
| 5500 | hi = proto_tree_add_protocol_format(tree, proto_2008_1_dpp, tvb, offset, 0, | ||||||
| 5501 | DOF_PRESENTATION_PROTOCOL"DOF Presentation Protocol" " Version %u, Flags: %s", dpp_version, dpp_flags_included ? "Included" : "Default"); | ||||||
| 5502 | |||||||
| 5503 | dpp_root = proto_item_add_subtree(hi, ett_2008_1_dpp); | ||||||
| 5504 | |||||||
| 5505 | dpp_tree = proto_tree_add_subtree(dpp_root, tvb, offset, 1, ett_2008_1_dpp_1_header, NULL((void*)0), "Header"); | ||||||
| 5506 | |||||||
| 5507 | |||||||
| 5508 | /* Version and Flag bit */ | ||||||
| 5509 | proto_tree_add_item(dpp_tree, hf_2008_1_dpp_1_flag, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 5510 | proto_tree_add_item(dpp_tree, hf_2008_1_dpp_1_version, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 5511 | offset += 1; | ||||||
| 5512 | |||||||
| 5513 | /* This may, in some cases, be the end of the packet. This is only valid in some | ||||||
| 5514 | * situations, which are checked here. | ||||||
| 5515 | */ | ||||||
| 5516 | if (offset == tvb_reported_length(tvb)) | ||||||
| 5517 | { | ||||||
| 5518 | /* TODO: Complete this logic. */ | ||||||
| 5519 | |||||||
| 5520 | proto_item_set_len(hi, offset); | ||||||
| 5521 | |||||||
| 5522 | if (!api_data) | ||||||
| 5523 | return offset; | ||||||
| 5524 | |||||||
| 5525 | if (api_data->transport_session->is_streaming) | ||||||
| 5526 | { | ||||||
| 5527 | col_append_str(pinfo->cinfo, COL_INFO, "DNP/DPP Negotiation"); | ||||||
| 5528 | |||||||
| 5529 | if (pinfo->fd->visited && | ||||||
| 5530 | api_data->transport_session->negotiation_required && | ||||||
| 5531 | ((api_data->transport_session->negotiation_complete_at == 0) || (api_data->transport_session->negotiation_complete_at_ts.secs - api_data->transport_session->session_start_ts.secs > 10))) | ||||||
| 5532 | { | ||||||
| 5533 | /* This is the second pass, so we can check for timeouts. */ | ||||||
| 5534 | expert_add_info(pinfo, hi, &ei_dof_6_timeout); | ||||||
| 5535 | } | ||||||
| 5536 | |||||||
| 5537 | return offset; | ||||||
| 5538 | } | ||||||
| 5539 | } | ||||||
| 5540 | |||||||
| 5541 | /* call the next dissector */ | ||||||
| 5542 | if (dissector_try_uint_with_data(dof_dpp_dissectors, dpp_version, tvb, pinfo, dpp_root, false0, data)) | ||||||
| 5543 | { | ||||||
| 5544 | col_set_fence(pinfo->cinfo, COL_PROTOCOL); | ||||||
| 5545 | col_set_fence(pinfo->cinfo, COL_INFO); | ||||||
| 5546 | |||||||
| 5547 | return tvb_reported_length(tvb); | ||||||
| 5548 | } | ||||||
| 5549 | } | ||||||
| 5550 | |||||||
| 5551 | return 0; | ||||||
| 5552 | } | ||||||
| 5553 | |||||||
| 5554 | /** | ||||||
| 5555 | * This dissector is handed a DNP packet of any version. It is responsible for decoding | ||||||
| 5556 | * the common header fields and then passing off to the specific DNP dissector | ||||||
| 5557 | */ | ||||||
| 5558 | static int dof_dissect_dnp_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, dof_api_data *api_data, int offset) | ||||||
| 5559 | { | ||||||
| 5560 | uint8_t header = tvb_get_uint8(tvb, offset); | ||||||
| 5561 | uint8_t dnp_version = header & 0x7F; | ||||||
| 5562 | uint8_t dnp_flags_included = header & 0x80; | ||||||
| 5563 | proto_item *main_ti; | ||||||
| 5564 | proto_tree * dnp_root,*dnp_tree; | ||||||
| 5565 | |||||||
| 5566 | col_add_fstr(pinfo->cinfo, COL_PROTOCOL, "DNPv%u", dnp_version); | ||||||
| 5567 | |||||||
| 5568 | main_ti = proto_tree_add_protocol_format(tree, proto_2008_1_dnp, tvb, offset, 0, | ||||||
| 5569 | DOF_NETWORK_PROTOCOL"DOF Network Protocol" " Version %u, Flags: %s", dnp_version, dnp_flags_included ? "Included" : "Default"); | ||||||
| 5570 | |||||||
| 5571 | dnp_root = proto_item_add_subtree(main_ti, ett_2008_1_dnp); | ||||||
| 5572 | |||||||
| 5573 | dnp_tree = proto_tree_add_subtree(dnp_root, tvb, offset, 1, ett_2008_1_dnp_header, NULL((void*)0), "Header"); | ||||||
| 5574 | |||||||
| 5575 | /* Version and Flag bit */ | ||||||
| 5576 | proto_tree_add_item(dnp_tree, hf_2008_1_dnp_1_flag, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 5577 | proto_tree_add_item(dnp_tree, hf_2008_1_dnp_1_version, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 5578 | |||||||
| 5579 | /* call the next dissector */ | ||||||
| 5580 | if (dissector_try_uint_with_data(dnp_dissectors, dnp_version, tvb, pinfo, dnp_root, false0, api_data)) | ||||||
| 5581 | { | ||||||
| 5582 | /* Since the transport may have additional packets in this frame, protect our work. */ | ||||||
| 5583 | col_set_fence(pinfo->cinfo, COL_PROTOCOL); | ||||||
| 5584 | col_set_fence(pinfo->cinfo, COL_INFO); | ||||||
| 5585 | } | ||||||
| 5586 | else | ||||||
| 5587 | { | ||||||
| 5588 | proto_item_set_end(main_ti, tvb, 1); | ||||||
| 5589 | |||||||
| 5590 | /* During negotiation, we can move past DNP even if it is not known. */ | ||||||
| 5591 | if (((header & 0x80) == 0) && api_data->transport_session->negotiation_required && ((pinfo->fd->num < api_data->transport_session->negotiation_complete_at) || (api_data->transport_session->negotiation_complete_at == 0))) | ||||||
| 5592 | { | ||||||
| 5593 | offset += dof_dissect_dpp_common(tvb_new_subset_remaining(tvb, offset + 1), pinfo, tree, api_data); | ||||||
| 5594 | } | ||||||
| 5595 | } | ||||||
| 5596 | |||||||
| 5597 | if (dnp_flags_included && !api_data->transport_session->negotiation_complete_at) | ||||||
| 5598 | { | ||||||
| 5599 | api_data->transport_session->negotiation_complete_at = pinfo->fd->num; | ||||||
| 5600 | api_data->transport_session->negotiation_complete_at_ts = pinfo->abs_ts; | ||||||
| 5601 | } | ||||||
| 5602 | |||||||
| 5603 | return offset; | ||||||
| 5604 | } | ||||||
| 5605 | |||||||
| 5606 | /** | ||||||
| 5607 | * This dissector is called for each DPS packet. It assumes that the first layer is | ||||||
| 5608 | * DNP, but it does not know anything about versioning. Further, it only worries | ||||||
| 5609 | * about decoding DNP (DNP will decode DPP, and so on). | ||||||
| 5610 | * | ||||||
| 5611 | * This routine is given the DPS packet for the first packet, but doesn't know anything | ||||||
| 5612 | * about DPS sessions. It may understand transport sessions, but these are surprisingly | ||||||
| 5613 | * worthless for DPS. | ||||||
| 5614 | */ | ||||||
| 5615 | static int dissect_dof_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 5616 | { | ||||||
| 5617 | dof_api_data *api_data = (dof_api_data *)data; | ||||||
| 5618 | proto_tree *dof_root; | ||||||
| 5619 | dof_packet_data *packet; | ||||||
| 5620 | |||||||
| 5621 | DISSECTOR_ASSERT(api_data != NULL)((void) ((api_data != ((void*)0)) ? (void)0 : (proto_report_dissector_bug ("%s:%u: failed assertion \"%s\"", "epan/dissectors/packet-dof.c" , 5621, "api_data != ((void*)0)")))); | ||||||
| 5622 | DISSECTOR_ASSERT(api_data->transport_session != NULL)((void) ((api_data->transport_session != ((void*)0)) ? (void )0 : (proto_report_dissector_bug("%s:%u: failed assertion \"%s\"" , "epan/dissectors/packet-dof.c", 5622, "api_data->transport_session != ((void*)0)" )))); | ||||||
| 5623 | DISSECTOR_ASSERT(api_data->transport_packet != NULL)((void) ((api_data->transport_packet != ((void*)0)) ? (void )0 : (proto_report_dissector_bug("%s:%u: failed assertion \"%s\"" , "epan/dissectors/packet-dof.c", 5623, "api_data->transport_packet != ((void*)0)" )))); | ||||||
| 5624 | |||||||
| 5625 | packet = (dof_packet_data *)api_data->packet; | ||||||
| 5626 | |||||||
| 5627 | /* Create the packet if it doesn't exist. */ | ||||||
| 5628 | if (packet == NULL((void*)0)) | ||||||
| 5629 | { | ||||||
| 5630 | api_data->packet = packet = create_packet_data(pinfo); | ||||||
| 5631 | DISSECTOR_ASSERT(packet != NULL)((void) ((packet != ((void*)0)) ? (void)0 : (proto_report_dissector_bug ("%s:%u: failed assertion \"%s\"", "epan/dissectors/packet-dof.c" , 5631, "packet != ((void*)0)")))); | ||||||
| 5632 | |||||||
| 5633 | /* TODO: This is not correct for reversed sessions. */ | ||||||
| 5634 | packet->is_sent_by_initiator = api_data->transport_packet->is_sent_by_client; | ||||||
| 5635 | } | ||||||
| 5636 | |||||||
| 5637 | /* Assign the transport sequence if it does not exist. */ | ||||||
| 5638 | if (api_data->transport_session->transport_session_id == 0) | ||||||
| 5639 | api_data->transport_session->transport_session_id = globals.next_transport_session++; | ||||||
| 5640 | |||||||
| 5641 | /* Compute the DPS information. This is a master holder for general information. */ | ||||||
| 5642 | { | ||||||
| 5643 | proto_item *ti; | ||||||
| 5644 | |||||||
| 5645 | ti = proto_tree_add_protocol_format(tree, proto_2008_1_dof, tvb, 0, tvb_reported_length(tvb), DOF_PROTOCOL_STACK"DOF Protocol Stack"); | ||||||
| 5646 | dof_root = proto_item_add_subtree(ti, ett_2008_1_dof); | ||||||
| 5647 | |||||||
| 5648 | /* Add the general packet information. */ | ||||||
| 5649 | { | ||||||
| 5650 | ti = proto_tree_add_uint(dof_root, hf_2008_1_dof_session_transport, tvb, 0, 0, api_data->transport_session->transport_session_id); | ||||||
| 5651 | proto_item_set_generated(ti); | ||||||
| 5652 | |||||||
| 5653 | ti = proto_tree_add_boolean(dof_root, hf_2008_1_dof_is_2_node, tvb, 0, 0, api_data->transport_session->is_2_node); | ||||||
| 5654 | proto_item_set_generated(ti); | ||||||
| 5655 | |||||||
| 5656 | ti = proto_tree_add_boolean(dof_root, hf_2008_1_dof_is_streaming, tvb, 0, 0, api_data->transport_session->is_streaming); | ||||||
| 5657 | proto_item_set_generated(ti); | ||||||
| 5658 | |||||||
| 5659 | if (api_data->session) | ||||||
| 5660 | { | ||||||
| 5661 | ti = proto_tree_add_uint(dof_root, hf_2008_1_dof_session, tvb, 0, 0, api_data->session->session_id); | ||||||
| 5662 | proto_item_set_generated(ti); | ||||||
| 5663 | } | ||||||
| 5664 | |||||||
| 5665 | if (api_data->secure_session) | ||||||
| 5666 | { | ||||||
| 5667 | ti = proto_tree_add_uint_format(dof_root, hf_2008_1_dof_session, tvb, 0, 0, api_data->secure_session->original_session_id, "DPS Session (Non-secure): %d", api_data->secure_session->original_session_id); | ||||||
| 5668 | proto_item_set_generated(ti); | ||||||
| 5669 | } | ||||||
| 5670 | |||||||
| 5671 | ti = proto_tree_add_uint(dof_root, hf_2008_1_dof_frame, tvb, 0, 0, packet->dof_frame); | ||||||
| 5672 | proto_item_set_generated(ti); | ||||||
| 5673 | |||||||
| 5674 | ti = proto_tree_add_boolean(dof_root, hf_2008_1_dof_is_from_client, tvb, 0, 0, api_data->transport_packet->is_sent_by_client); | ||||||
| 5675 | proto_item_set_generated(ti); | ||||||
| 5676 | } | ||||||
| 5677 | } | ||||||
| 5678 | |||||||
| 5679 | dof_dissect_dnp_common(tvb, pinfo, tree, api_data, 0); | ||||||
| 5680 | |||||||
| 5681 | packet->processed = true1; | ||||||
| 5682 | return tvb_reported_length(tvb); | ||||||
| 5683 | } | ||||||
| 5684 | |||||||
| 5685 | /** | ||||||
| 5686 | * This dissector is called for each DPS packet. It assumes that the first layer is | ||||||
| 5687 | * ENP, but it does not know anything about versioning. Further, it only worries | ||||||
| 5688 | * about decoding ENP (ENP will decode EPP, and so on). | ||||||
| 5689 | * | ||||||
| 5690 | * This routine is given the DPS packet for the first packet, but doesn't know anything | ||||||
| 5691 | * about DPS sessions. It may understand transport sessions, but these are surprisingly | ||||||
| 5692 | * worthless for DPS. | ||||||
| 5693 | */ | ||||||
| 5694 | static int dissect_tunnel_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 5695 | { | ||||||
| 5696 | /* The packet data is the private_data, and must exist. */ | ||||||
| 5697 | tcp_dof_packet_ref *ref = (tcp_dof_packet_ref *)data; | ||||||
| 5698 | unsigned offset = 0; | ||||||
| 5699 | |||||||
| 5700 | /* An Exported PDU can name this dissector without the packet reference */ | ||||||
| 5701 | if (ref == NULL((void*)0)) | ||||||
| 5702 | return 0; | ||||||
| 5703 | |||||||
| 5704 | /* Compute the APP control information. This is the version and the length bytes. | ||||||
| 5705 | * The flags byte is either present, or is based on the version (and can be defaulted). | ||||||
| 5706 | */ | ||||||
| 5707 | { | ||||||
| 5708 | uint8_t version = tvb_get_uint8(tvb, offset); | ||||||
| 5709 | uint8_t opcode; | ||||||
| 5710 | proto_item *ti; | ||||||
| 5711 | proto_tree *app_root; | ||||||
| 5712 | |||||||
| 5713 | col_add_fstr(pinfo->cinfo, COL_PROTOCOL, "TUNv%u", version); | ||||||
| 5714 | |||||||
| 5715 | ti = proto_tree_add_protocol_format(tree, proto_2012_1_tunnel, tvb, offset, 0, | ||||||
| 5716 | "DOF Tunnel Protocol, Version: %u", version); | ||||||
| 5717 | |||||||
| 5718 | app_root = proto_item_add_subtree(ti, ett_2012_1_tunnel); | ||||||
| 5719 | proto_tree_add_item(app_root, hf_2012_1_tunnel_1_version, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 5720 | proto_tree_add_item(app_root, hf_2012_1_tunnel_1_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN0x00000000); | ||||||
| 5721 | |||||||
| 5722 | opcode = tvb_get_uint8(tvb, offset + 3); | ||||||
| 5723 | if (opcode == 3) | ||||||
| 5724 | { | ||||||
| 5725 | tvbuff_t *next_tvb = tvb_new_subset_remaining(tvb, offset + 5); | ||||||
| 5726 | |||||||
| 5727 | dissect_dof_common(next_tvb, pinfo, tree, &ref->api_data); | ||||||
| 5728 | } | ||||||
| 5729 | } | ||||||
| 5730 | |||||||
| 5731 | return tvb_captured_length(tvb); | ||||||
| 5732 | } | ||||||
| 5733 | |||||||
| 5734 | static int dissect_tun_app_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 5735 | { | ||||||
| 5736 | col_clear(pinfo->cinfo, COL_INFO); | ||||||
| 5737 | |||||||
| 5738 | /* Compute the APP control information. This is the version and the flags byte. | ||||||
| 5739 | * The flags byte is either present, or is based on the version (and can be defaulted). | ||||||
| 5740 | */ | ||||||
| 5741 | { | ||||||
| 5742 | uint16_t app; | ||||||
| 5743 | int app_len; | ||||||
| 5744 | |||||||
| 5745 | |||||||
| 5746 | app = tvb_get_uint8(tvb, 0); | ||||||
| 5747 | app_len = 1; | ||||||
| 5748 | |||||||
| 5749 | col_add_fstr(pinfo->cinfo, COL_PROTOCOL, "APP(%u)", app); | ||||||
| 5750 | |||||||
| 5751 | /* call the next dissector */ | ||||||
| 5752 | if (dissector_try_uint(dof_tun_app_dissectors, app, tvb, pinfo, tree)) | ||||||
| 5753 | { | ||||||
| 5754 | col_set_fence(pinfo->cinfo, COL_PROTOCOL); | ||||||
| 5755 | col_set_fence(pinfo->cinfo, COL_INFO); | ||||||
| 5756 | |||||||
| 5757 | return tvb_captured_length(tvb); | ||||||
| 5758 | } | ||||||
| 5759 | else | ||||||
| 5760 | { | ||||||
| 5761 | proto_tree_add_protocol_format(tree, proto_2012_1_tunnel, tvb, 0, app_len, | ||||||
| 5762 | DOF_APPLICATION_PROTOCOL"DOF Application Protocol" ", Version: %u", app); | ||||||
| 5763 | } | ||||||
| 5764 | } | ||||||
| 5765 | |||||||
| 5766 | return 0; | ||||||
| 5767 | } | ||||||
| 5768 | |||||||
| 5769 | /* Packet and Session Data Creation */ | ||||||
| 5770 | |||||||
| 5771 | static udp_session_data* create_udp_session_data(packet_info *pinfo, conversation_t *conversation _U___attribute__((unused))) | ||||||
| 5772 | { | ||||||
| 5773 | udp_session_data *packet = wmem_new0(wmem_file_scope(), udp_session_data)((udp_session_data*)wmem_alloc0((wmem_file_scope()), sizeof(udp_session_data ))); | ||||||
| 5774 | |||||||
| 5775 | /* TODO: Determine if this is valid or not. */ | ||||||
| 5776 | /* WMEM_COPY_ADDRESS( wmem_file_scope(), &packet->server.address, &conversation->key_ptr->addr1 ); | ||||||
| 5777 | packet->server.port = conversation->key_ptr->port1; */ | ||||||
| 5778 | copy_address_wmem(wmem_file_scope(), &packet->server.addr, &pinfo->dst); | ||||||
| 5779 | packet->server.port = pinfo->destport; | ||||||
| 5780 | |||||||
| 5781 | packet->common.transport_id = proto_2008_1_dof_udp; | ||||||
| 5782 | |||||||
| 5783 | { | ||||||
| 5784 | const uint8_t *addr = (const uint8_t *)packet->server.addr.data; | ||||||
| 5785 | if ((packet->server.addr.type == AT_IPv4) && (addr != NULL((void*)0)) && (addr[0] != 224)) | ||||||
| 5786 | packet->common.is_2_node = true1; | ||||||
| 5787 | else | ||||||
| 5788 | packet->common.is_2_node = false0; | ||||||
| 5789 | } | ||||||
| 5790 | |||||||
| 5791 | packet->common.is_streaming = false0; | ||||||
| 5792 | packet->common.session_start_ts = pinfo->abs_ts; | ||||||
| 5793 | packet->common.negotiation_required = false0; | ||||||
| 5794 | packet->common.negotiation_complete_at = 0; | ||||||
| 5795 | |||||||
| 5796 | return packet; | ||||||
| 5797 | } | ||||||
| 5798 | |||||||
| 5799 | static tcp_session_data* create_tcp_session_data(packet_info *pinfo, conversation_t *conversation) | ||||||
| 5800 | { | ||||||
| 5801 | tcp_session_data *packet = wmem_new0(wmem_file_scope(), tcp_session_data)((tcp_session_data*)wmem_alloc0((wmem_file_scope()), sizeof(tcp_session_data ))); | ||||||
| 5802 | |||||||
| 5803 | copy_address_wmem(wmem_file_scope(), &packet->client.addr, conversation_key_addr1(conversation->key_ptr)); | ||||||
| 5804 | packet->client.port = conversation_key_port1(conversation->key_ptr); | ||||||
| 5805 | copy_address_wmem(wmem_file_scope(), &packet->server.addr, conversation_key_addr2(conversation->key_ptr)); | ||||||
| 5806 | packet->server.port = conversation_key_port2(conversation->key_ptr); | ||||||
| 5807 | |||||||
| 5808 | packet->not_dps = false0; | ||||||
| 5809 | |||||||
| 5810 | packet->common.transport_id = proto_2008_1_dof_tcp; | ||||||
| 5811 | packet->common.is_2_node = true1; | ||||||
| 5812 | packet->common.is_streaming = true1; | ||||||
| 5813 | packet->common.session_start_ts = pinfo->abs_ts; | ||||||
| 5814 | packet->common.negotiation_required = true1; | ||||||
| 5815 | packet->common.negotiation_complete_at = 0; | ||||||
| 5816 | |||||||
| 5817 | return packet; | ||||||
| 5818 | } | ||||||
| 5819 | |||||||
| 5820 | static dof_packet_data* create_packet_data(packet_info *pinfo) | ||||||
| 5821 | { | ||||||
| 5822 | /* Create the packet data. */ | ||||||
| 5823 | dof_packet_data *packet = wmem_new0(wmem_file_scope(), dof_packet_data)((dof_packet_data*)wmem_alloc0((wmem_file_scope()), sizeof(dof_packet_data ))); | ||||||
| 5824 | |||||||
| 5825 | packet->data_list = wmem_list_new(wmem_file_scope()); | ||||||
| 5826 | packet->frame = pinfo->fd->num; | ||||||
| 5827 | packet->dof_frame = next_dof_frame++; | ||||||
| 5828 | |||||||
| 5829 | /* Add the packet into the list of packets. */ | ||||||
| 5830 | if (!globals.dof_packet_head) | ||||||
| 5831 | { | ||||||
| 5832 | globals.dof_packet_head = packet; | ||||||
| 5833 | globals.dof_packet_tail = packet; | ||||||
| 5834 | } | ||||||
| 5835 | else | ||||||
| 5836 | { | ||||||
| 5837 | globals.dof_packet_tail->next = packet; | ||||||
| 5838 | globals.dof_packet_tail = packet; | ||||||
| 5839 | } | ||||||
| 5840 | |||||||
| 5841 | return packet; | ||||||
| 5842 | } | ||||||
| 5843 | |||||||
| 5844 | /* Dissectors for Transports (UDP/TCP) */ | ||||||
| 5845 | |||||||
| 5846 | /** | ||||||
| 5847 | * Dissect a UDP packet. The parent protocol is UDP. No assumptions about DPS | ||||||
| 5848 | * data structures are made on input, but before calling common they must | ||||||
| 5849 | * be set up. | ||||||
| 5850 | * This dissector is registered with the UDP protocol on the standard DPS port. | ||||||
| 5851 | * It will be used for anything that involves that port (source or destination). | ||||||
| 5852 | */ | ||||||
| 5853 | static int dissect_dof_udp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 5854 | { | ||||||
| 5855 | dof_api_data *api_data = (dof_api_data *)p_get_proto_data(wmem_file_scope(), pinfo, proto_2008_1_dof_udp, 0); | ||||||
| 5856 | if (api_data == NULL((void*)0)) | ||||||
| 5857 | { | ||||||
| 5858 | conversation_t *conversation; | ||||||
| 5859 | udp_session_data *transport_session; | ||||||
| 5860 | dof_transport_packet *transport_packet; | ||||||
| 5861 | /* bool mcast = false; */ | ||||||
| 5862 | |||||||
| 5863 | /* { | ||||||
| 5864 | uint8_t* addr = (uint8_t*) pinfo->dst.data; | ||||||
| 5865 | if ( (pinfo->dst.type == AT_IPv4) && (addr != NULL) && (addr[0] != 224) ) | ||||||
| 5866 | mcast = true; | ||||||
| 5867 | } */ | ||||||
| 5868 | |||||||
| 5869 | /* Register the source address as being DPS for the sender UDP port. */ | ||||||
| 5870 | conversation = find_conversation(pinfo->fd->num, &pinfo->src, &pinfo->dst, conversation_pt_to_conversation_type(pinfo->ptype), pinfo->srcport, pinfo->destport, NO_ADDR_B0x00010000 | NO_PORT_B0x00020000); | ||||||
| 5871 | if (!conversation) | ||||||
| 5872 | { | ||||||
| 5873 | conversation = conversation_new(pinfo->fd->num, &pinfo->src, &pinfo->dst, conversation_pt_to_conversation_type(pinfo->ptype), pinfo->srcport, pinfo->destport, NO_ADDR20x01 | NO_PORT20x02); | ||||||
| 5874 | conversation_set_dissector(conversation, dof_udp_handle); | ||||||
| 5875 | } | ||||||
| 5876 | |||||||
| 5877 | /* Find or create the conversation for this transport session. For UDP, the transport session is determined entirely by the | ||||||
| 5878 | * server port. This assumes that the first packet seen is from a client to the server. | ||||||
| 5879 | */ | ||||||
| 5880 | conversation = find_conversation(pinfo->fd->num, &pinfo->dst, &pinfo->src, CONVERSATION_UDP, pinfo->destport, pinfo->srcport, NO_ADDR_B0x00010000 | NO_PORT_B0x00020000); | ||||||
| 5881 | if (conversation) | ||||||
| 5882 | { | ||||||
| 5883 | /* TODO: Determine if this is valid or not. */ | ||||||
| 5884 | /*if ( conversation->key_ptr->port1 != pinfo->destport || ! addresses_equal( &conversation->key_ptr->addr1, &pinfo->dst ) ) | ||||||
| 5885 | conversation = NULL; */ | ||||||
| 5886 | } | ||||||
| 5887 | |||||||
| 5888 | if (!conversation) | ||||||
| 5889 | conversation = conversation_new(pinfo->fd->num, &pinfo->dst, &pinfo->src, CONVERSATION_UDP, pinfo->destport, pinfo->srcport, NO_ADDR20x01 | NO_PORT20x02 | CONVERSATION_TEMPLATE0x08); | ||||||
| 5890 | |||||||
| 5891 | transport_session = (udp_session_data *)conversation_get_proto_data(conversation, proto_2008_1_dof_udp); | ||||||
| 5892 | if (transport_session == NULL((void*)0)) | ||||||
| 5893 | { | ||||||
| 5894 | transport_session = create_udp_session_data(pinfo, conversation); | ||||||
| 5895 | conversation_add_proto_data(conversation, proto_2008_1_dof_udp, transport_session); | ||||||
| 5896 | } | ||||||
| 5897 | |||||||
| 5898 | /* UDP has no framing or retransmission issues, so the dof_api_data is stored directly on the frame. */ | ||||||
| 5899 | api_data = wmem_new0(wmem_file_scope(), dof_api_data)((dof_api_data*)wmem_alloc0((wmem_file_scope()), sizeof(dof_api_data ))); | ||||||
| 5900 | if (api_data == NULL((void*)0)) | ||||||
| 5901 | return 0; | ||||||
| 5902 | |||||||
| 5903 | transport_packet = wmem_new0(wmem_file_scope(), dof_transport_packet)((dof_transport_packet*)wmem_alloc0((wmem_file_scope()), sizeof (dof_transport_packet))); | ||||||
| 5904 | if (transport_packet == NULL((void*)0)) | ||||||
| 5905 | return 0; | ||||||
| 5906 | |||||||
| 5907 | transport_packet->is_sent_by_client = true1; | ||||||
| 5908 | if (addresses_equal(&transport_session->server.addr, &pinfo->src) && (transport_session->server.port == pinfo->srcport)) | ||||||
| 5909 | transport_packet->is_sent_by_client = false0; | ||||||
| 5910 | |||||||
| 5911 | transport_packet->sender_id = assign_addr_port_id(pinfo->pool, &pinfo->src, pinfo->srcport); | ||||||
| 5912 | transport_packet->receiver_id = assign_addr_port_id(pinfo->pool, &pinfo->dst, pinfo->destport); | ||||||
| 5913 | |||||||
| 5914 | api_data->transport_session = &transport_session->common; | ||||||
| 5915 | api_data->transport_packet = transport_packet; | ||||||
| 5916 | p_add_proto_data(wmem_file_scope(), pinfo, proto_2008_1_dof_udp, 0, api_data); | ||||||
| 5917 | } | ||||||
| 5918 | |||||||
| 5919 | return dissect_dof_common(tvb, pinfo, tree, api_data); | ||||||
| 5920 | } | ||||||
| 5921 | |||||||
| 5922 | /** | ||||||
| 5923 | * Determine if the current offset has already been processed. | ||||||
| 5924 | * This is specific to the TCP dissector. | ||||||
| 5925 | */ | ||||||
| 5926 | static bool_Bool is_retransmission(packet_info *pinfo, tcp_session_data *session, tcp_packet_data *packet, struct tcpinfo *tcpinfo) | ||||||
| 5927 | { | ||||||
| 5928 | /* TODO: Determine why we get big numbers sometimes... */ | ||||||
| 5929 | /* if ( tcpinfo->seq != 0 && tcpinfo->seq < 1000000) */ | ||||||
| 5930 | { | ||||||
| 5931 | tcp_ignore_data *id; | ||||||
| 5932 | uint32_t sequence = tcpinfo->seq; | ||||||
| 5933 | |||||||
| 5934 | if (addresses_equal(&pinfo->src, &session->client.addr) && (pinfo->srcport == session->client.port)) | ||||||
| 5935 | { | ||||||
| 5936 | id = packet->from_client_ignore_list; | ||||||
| 5937 | } | ||||||
| 5938 | else | ||||||
| 5939 | { | ||||||
| 5940 | id = packet->from_server_ignore_list; | ||||||
| 5941 | } | ||||||
| 5942 | |||||||
| 5943 | while (id != NULL((void*)0) && id->sequence != sequence) | ||||||
| 5944 | { | ||||||
| 5945 | id = id->next; | ||||||
| 5946 | } | ||||||
| 5947 | |||||||
| 5948 | if (id == NULL((void*)0)) | ||||||
| 5949 | return false0; | ||||||
| 5950 | |||||||
| 5951 | return id->ignore; | ||||||
| 5952 | } | ||||||
| 5953 | |||||||
| 5954 | return false0; | ||||||
| 5955 | } | ||||||
| 5956 | |||||||
| 5957 | /** | ||||||
| 5958 | * We have found and processed packets starting at offset, so | ||||||
| 5959 | * don't allow the same (or previous) packets. | ||||||
| 5960 | * This only applies to TCP dissector conversations. | ||||||
| 5961 | */ | ||||||
| 5962 | static void remember_offset(packet_info *pinfo, tcp_session_data *session, tcp_packet_data *packet, struct tcpinfo *tcpinfo) | ||||||
| 5963 | { | ||||||
| 5964 | bool_Bool ignore = false0; | ||||||
| 5965 | |||||||
| 5966 | /* TODO: Determine why we get big numbers sometimes... */ | ||||||
| 5967 | /* if ( tcpinfo->seq != 0 && tcpinfo->seq < 1000000) */ | ||||||
| 5968 | { | ||||||
| 5969 | tcp_ignore_data **last; | ||||||
| 5970 | tcp_ignore_data *id; | ||||||
| 5971 | uint32_t sequence; | ||||||
| 5972 | uint32_t *seqptr = NULL((void*)0); | ||||||
| 5973 | |||||||
| 5974 | if (addresses_equal(&pinfo->src, &session->client.addr) && (pinfo->srcport == session->client.port)) | ||||||
| 5975 | { | ||||||
| 5976 | last = &(packet->from_client_ignore_list); | ||||||
| 5977 | id = packet->from_client_ignore_list; | ||||||
| 5978 | sequence = tcpinfo->seq; | ||||||
| 5979 | seqptr = &session->from_client_seq; | ||||||
| 5980 | |||||||
| 5981 | if (LE_SEQ(tcpinfo->seq, session->from_client_seq)((int32_t)((tcpinfo->seq) - (session->from_client_seq)) <= 0)) | ||||||
| 5982 | ignore = true1; | ||||||
| 5983 | } | ||||||
| 5984 | else | ||||||
| 5985 | { | ||||||
| 5986 | last = &(packet->from_server_ignore_list); | ||||||
| 5987 | id = packet->from_server_ignore_list; | ||||||
| 5988 | sequence = tcpinfo->seq; | ||||||
| 5989 | seqptr = &session->from_server_seq; | ||||||
| 5990 | |||||||
| 5991 | if (LE_SEQ(tcpinfo->seq, session->from_server_seq)((int32_t)((tcpinfo->seq) - (session->from_server_seq)) <= 0)) | ||||||
| 5992 | ignore = true1; | ||||||
| 5993 | } | ||||||
| 5994 | |||||||
| 5995 | while (id != NULL((void*)0) && id->sequence != tcpinfo->seq) | ||||||
| 5996 | { | ||||||
| 5997 | last = &(id->next); | ||||||
| 5998 | id = id->next; | ||||||
| 5999 | } | ||||||
| 6000 | |||||||
| 6001 | *seqptr = sequence; | ||||||
| 6002 | if (id == NULL((void*)0)) | ||||||
| 6003 | { | ||||||
| 6004 | *last = wmem_new0(wmem_file_scope(), tcp_ignore_data)((tcp_ignore_data*)wmem_alloc0((wmem_file_scope()), sizeof(tcp_ignore_data ))); | ||||||
| 6005 | id = *last; | ||||||
| 6006 | id->ignore = ignore; | ||||||
| 6007 | id->sequence = tcpinfo->seq; | ||||||
| 6008 | } | ||||||
| 6009 | } | ||||||
| 6010 | } | ||||||
| 6011 | |||||||
| 6012 | /** | ||||||
| 6013 | * This dissector is registered with TCP using the standard port. It uses registered | ||||||
| 6014 | * protocols to determine framing, and those dissectors will call into the base | ||||||
| 6015 | * DPS dissector for each packet. | ||||||
| 6016 | */ | ||||||
| 6017 | static int dissect_dof_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 6018 | { | ||||||
| 6019 | conversation_t *conversation; | ||||||
| 6020 | tcp_session_data *session; | ||||||
| 6021 | tcp_packet_data *packet; | ||||||
| 6022 | struct tcpinfo *tcpinfo = (struct tcpinfo *)data; | ||||||
| 6023 | uint8_t header; | ||||||
| 6024 | |||||||
| 6025 | /* Get the TCP conversation. TCP creates a new conversation for each TCP connection,12 | ||||||
| 6026 | * so we can "mirror" that by attaching our own data to that conversation. If our | ||||||
| 6027 | * data cannot be found, then it is a new connection (to us). | ||||||
| 6028 | */ | ||||||
| 6029 | conversation = find_conversation_pinfo(pinfo, 0); | ||||||
| 6030 | { | ||||||
| 6031 | /* This should be impossible - the TCP dissector requires this conversation. | ||||||
| 6032 | * Bail... | ||||||
| 6033 | */ | ||||||
| 6034 | DISSECTOR_ASSERT(conversation != NULL)((void) ((conversation != ((void*)0)) ? (void)0 : (proto_report_dissector_bug ("%s:%u: failed assertion \"%s\"", "epan/dissectors/packet-dof.c" , 6034, "conversation != ((void*)0)")))); | ||||||
| 6035 | } | ||||||
| 6036 | |||||||
| 6037 | |||||||
| 6038 | /* This requires explanation. TCP will call this dissector, and we know | ||||||
| 6039 | * that the first byte (offset 0 of this tvb) is the first byte of an | ||||||
| 6040 | * DPS packet. The TCP dissector ensures this. | ||||||
| 6041 | * | ||||||
| 6042 | * We do *not* know that this is the only packet, and | ||||||
| 6043 | * so the dissector that we call below must handle framing. All of | ||||||
| 6044 | * this state must be stored, and so we store it in a transport | ||||||
| 6045 | * data structure. DPS packet data is created later and associated | ||||||
| 6046 | * differently. | ||||||
| 6047 | * | ||||||
| 6048 | * Further, this routine MAY be called MULTIPLE times for the SAME | ||||||
| 6049 | * frame with DIFFERENT sequence numbers. This makes handling | ||||||
| 6050 | * retransmissions very difficult - we must track each call to this | ||||||
| 6051 | * routine with its associated offset and ignore flag. However, due | ||||||
| 6052 | * to the way that Wireshark handles asking for more data we cannot | ||||||
| 6053 | * mark an offset as "duplicate" until after it has been processed. | ||||||
| 6054 | */ | ||||||
| 6055 | |||||||
| 6056 | /* TCP packet data is only associated with TCP frames that hold DPS packets. */ | ||||||
| 6057 | session = (tcp_session_data *)conversation_get_proto_data(conversation, proto_2008_1_dof_tcp); | ||||||
| 6058 | if (session == NULL((void*)0)) | ||||||
| 6059 | { | ||||||
| 6060 | session = create_tcp_session_data(pinfo, conversation); | ||||||
| 6061 | conversation_add_proto_data(conversation, proto_2008_1_dof_tcp, session); | ||||||
| 6062 | } | ||||||
| 6063 | |||||||
| 6064 | if (session->not_dps) | ||||||
| 6065 | return 0; | ||||||
| 6066 | |||||||
| 6067 | packet = (tcp_packet_data *)p_get_proto_data(wmem_file_scope(), pinfo, proto_2008_1_dof_tcp, 0); | ||||||
| 6068 | if (packet == NULL((void*)0)) | ||||||
| 6069 | { | ||||||
| 6070 | packet = wmem_new0(wmem_file_scope(), tcp_packet_data)((tcp_packet_data*)wmem_alloc0((wmem_file_scope()), sizeof(tcp_packet_data ))); | ||||||
| 6071 | p_add_proto_data(wmem_file_scope(), pinfo, proto_2008_1_dof_tcp, 0, packet); | ||||||
| 6072 | } | ||||||
| 6073 | |||||||
| 6074 | if (is_retransmission(pinfo, session, packet, tcpinfo)) | ||||||
| 6075 | return 0; | ||||||
| 6076 | |||||||
| 6077 | /* Loop, checking all the packets in this frame and communicating with the TCP | ||||||
| 6078 | * desegmenter. The framing dissector entry is used to determine the size | ||||||
| 6079 | * of the current frame. | ||||||
| 6080 | */ | ||||||
| 6081 | { | ||||||
| 6082 | /* Note that we must handle fragmentation on TCP... */ | ||||||
| 6083 | unsigned offset = 0; | ||||||
| 6084 | |||||||
| 6085 | while (offset < tvb_reported_length(tvb)) | ||||||
| 6086 | { | ||||||
| 6087 | int available = tvb_ensure_captured_length_remaining(tvb, offset); | ||||||
| 6088 | int packet_length; | ||||||
| 6089 | |||||||
| 6090 | header = tvb_get_uint8(tvb, offset); | ||||||
| 6091 | |||||||
| 6092 | /* If we are negotiating, then we do not need the framing dissector | ||||||
| 6093 | * as we know the packet length is two. Note that for the first byte | ||||||
| 6094 | * of a TCP session there are only two cases, both handled here. An error | ||||||
| 6095 | * of not understanding the first byte will trigger that this is not | ||||||
| 6096 | * a DPS session. | ||||||
| 6097 | */ | ||||||
| 6098 | if (((header & 0x80) == 0) && session->common.negotiation_required && ((pinfo->fd->num < session->common.negotiation_complete_at) || (session->common.negotiation_complete_at == 0))) | ||||||
| 6099 | { | ||||||
| 6100 | packet_length = 2; | ||||||
| 6101 | if (header > DNP_MAX_VERSION1) | ||||||
| 6102 | { | ||||||
| 6103 | session->not_dps = true1; | ||||||
| 6104 | return 0; | ||||||
| 6105 | } | ||||||
| 6106 | } | ||||||
| 6107 | else | ||||||
| 6108 | { | ||||||
| 6109 | packet_length = dof_dissect_dnp_length(tvb, pinfo, header & 0x7F, &offset); | ||||||
| 6110 | if (packet_length < 0) | ||||||
| 6111 | { | ||||||
| 6112 | session->not_dps = true1; | ||||||
| 6113 | return offset; | ||||||
| 6114 | } | ||||||
| 6115 | } | ||||||
| 6116 | |||||||
| 6117 | if (packet_length == 0) | ||||||
| 6118 | { | ||||||
| 6119 | pinfo->desegment_offset = offset; | ||||||
| 6120 | pinfo->desegment_len = DESEGMENT_ONE_MORE_SEGMENT0x0fffffff; | ||||||
| 6121 | return offset + available; | ||||||
| 6122 | } | ||||||
| 6123 | |||||||
| 6124 | if (available < packet_length) | ||||||
| 6125 | { | ||||||
| 6126 | pinfo->desegment_offset = offset; | ||||||
| 6127 | pinfo->desegment_len = packet_length - available; | ||||||
| 6128 | return offset + available; | ||||||
| 6129 | } | ||||||
| 6130 | |||||||
| 6131 | remember_offset(pinfo, session, packet, tcpinfo); | ||||||
| 6132 | if (is_retransmission(pinfo, session, packet, tcpinfo)) | ||||||
| 6133 | return 0; | ||||||
| 6134 | |||||||
| 6135 | /* We have a packet. We have to store the dof_packet_data in a list, as there may be | ||||||
| 6136 | * multiple DPS packets in a single Wireshark frame. | ||||||
| 6137 | */ | ||||||
| 6138 | { | ||||||
| 6139 | tvbuff_t *next_tvb = tvb_new_subset_length(tvb, offset, packet_length); | ||||||
| 6140 | tcp_dof_packet_ref *ref; | ||||||
| 6141 | int raw_offset = tvb_raw_offset(tvb) + offset; | ||||||
| 6142 | bool_Bool ref_is_new = false0; | ||||||
| 6143 | |||||||
| 6144 | /* Get the packet data. This is a list in increasing sequence order. */ | ||||||
| 6145 | if (packet->dof_packets == NULL((void*)0)) | ||||||
| 6146 | { | ||||||
| 6147 | ref_is_new = true1; | ||||||
| 6148 | ref = wmem_new0(wmem_file_scope(), tcp_dof_packet_ref)((tcp_dof_packet_ref*)wmem_alloc0((wmem_file_scope()), sizeof (tcp_dof_packet_ref))); | ||||||
| 6149 | ref->transport_packet.sender_id = assign_addr_port_id(pinfo->pool, &pinfo->src, pinfo->srcport); | ||||||
| 6150 | ref->transport_packet.receiver_id = assign_addr_port_id(pinfo->pool, &pinfo->dst, pinfo->destport); | ||||||
| 6151 | packet->dof_packets = ref; | ||||||
| 6152 | ref->start_offset = raw_offset; | ||||||
| 6153 | } | ||||||
| 6154 | else | ||||||
| 6155 | ref = packet->dof_packets; | ||||||
| 6156 | |||||||
| 6157 | /* Find the entry for our offset. */ | ||||||
| 6158 | while (ref->start_offset != raw_offset) | ||||||
| 6159 | { | ||||||
| 6160 | if (ref->next) | ||||||
| 6161 | { | ||||||
| 6162 | ref = ref->next; | ||||||
| 6163 | continue; | ||||||
| 6164 | } | ||||||
| 6165 | |||||||
| 6166 | { | ||||||
| 6167 | tcp_dof_packet_ref *last = ref; | ||||||
| 6168 | |||||||
| 6169 | /* This is the default state, NULL and 0. */ | ||||||
| 6170 | ref_is_new = true1; | ||||||
| 6171 | ref = wmem_new0(wmem_file_scope(), tcp_dof_packet_ref)((tcp_dof_packet_ref*)wmem_alloc0((wmem_file_scope()), sizeof (tcp_dof_packet_ref))); | ||||||
| 6172 | ref->transport_packet.sender_id = last->transport_packet.sender_id; | ||||||
| 6173 | ref->transport_packet.receiver_id = last->transport_packet.receiver_id; | ||||||
| 6174 | ref->start_offset = raw_offset; | ||||||
| 6175 | last->next = ref; | ||||||
| 6176 | } | ||||||
| 6177 | } | ||||||
| 6178 | |||||||
| 6179 | if (ref_is_new) | ||||||
| 6180 | { | ||||||
| 6181 | dof_transport_packet *tp = &(ref->transport_packet); | ||||||
| 6182 | |||||||
| 6183 | tp->is_sent_by_client = false0; | ||||||
| 6184 | if (addresses_equal(&session->client.addr, &pinfo->src) && | ||||||
| 6185 | (session->client.port == pinfo->srcport)) | ||||||
| 6186 | tp->is_sent_by_client = true1; | ||||||
| 6187 | |||||||
| 6188 | ref->api_data.transport_session = (dof_transport_session *)&(session->common); | ||||||
| 6189 | ref->api_data.transport_packet = tp; | ||||||
| 6190 | } | ||||||
| 6191 | |||||||
| 6192 | |||||||
| 6193 | dissect_dof_common(next_tvb, pinfo, tree, &ref->api_data); | ||||||
| 6194 | } | ||||||
| 6195 | |||||||
| 6196 | offset += packet_length; | ||||||
| 6197 | } | ||||||
| 6198 | |||||||
| 6199 | return offset; | ||||||
| 6200 | } | ||||||
| 6201 | } | ||||||
| 6202 | |||||||
| 6203 | #if 0 /* TODO not used yet */ | ||||||
| 6204 | /** | ||||||
| 6205 | * This dissector is registered with the UDP protocol on the standard DPS port. | ||||||
| 6206 | * It will be used for anything that involves that port (source or destination). | ||||||
| 6207 | */ | ||||||
| 6208 | #if 0 | ||||||
| 6209 | static int dissect_tunnel_udp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 6210 | { | ||||||
| 6211 | conversation_t *conversation; | ||||||
| 6212 | dof_packet_data *packet; | ||||||
| 6213 | |||||||
| 6214 | /* Initialize the default transport session structure. */ | ||||||
| 6215 | if (!udp_transport_session) | ||||||
| 6216 | udp_transport_session = se_alloc0(sizeof(*udp_transport_session)); | ||||||
| 6217 | |||||||
| 6218 | conversation = find_or_create_conversation(pinfo); | ||||||
| 6219 | |||||||
| 6220 | /* Add the packet data. */ | ||||||
| 6221 | packet = p_get_proto_data(wmem_file_scope(), proto_2012_1_tunnel, 0); | ||||||
| 6222 | if (!packet) | ||||||
| 6223 | { | ||||||
| 6224 | packet = wmem_alloc0(wmem_file_scope(), sizeof(dof_packet_data)); | ||||||
| 6225 | packet->frame = pinfo->fd->num; | ||||||
| 6226 | packet->next = NULL((void*)0); | ||||||
| 6227 | packet->start_offset = 0; | ||||||
| 6228 | packet->session_counter = &session_counter; | ||||||
| 6229 | packet->transport_session = udp_transport_session; | ||||||
| 6230 | p_add_proto_data(wmem_file_scope(), proto_2012_1_tunnel, 0, packet); | ||||||
| 6231 | } | ||||||
| 6232 | |||||||
| 6233 | pinfo->private_data = packet; | ||||||
| 6234 | return dissect_tunnel_common(tvb, pinfo, tree); | ||||||
| 6235 | #else | ||||||
| 6236 | static int dissect_tunnel_udp(tvbuff_t *tvb _U___attribute__((unused)), packet_info *pinfo _U___attribute__((unused)), proto_tree *tree _U___attribute__((unused)), void *data _U___attribute__((unused))) | ||||||
| 6237 | { | ||||||
| 6238 | #endif | ||||||
| 6239 | return 0; | ||||||
| 6240 | } | ||||||
| 6241 | #endif | ||||||
| 6242 | |||||||
| 6243 | |||||||
| 6244 | /** | ||||||
| 6245 | * This dissector is registered with TCP using the standard port. It uses registered | ||||||
| 6246 | * protocols to determine framing, and those dissectors will call into the base | ||||||
| 6247 | * DPS dissector for each packet. | ||||||
| 6248 | */ | ||||||
| 6249 | static int dissect_tunnel_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 6250 | { | ||||||
| 6251 | conversation_t *conversation; | ||||||
| 6252 | tcp_session_data *session; | ||||||
| 6253 | tcp_packet_data *packet; | ||||||
| 6254 | struct tcpinfo *tcpinfo = (struct tcpinfo *)data; | ||||||
| 6255 | |||||||
| 6256 | /* Get the TCP conversation. TCP creates a new conversation for each TCP connection, | ||||||
| 6257 | * so we can "mirror" that by attaching our own data to that conversation. If our | ||||||
| 6258 | * data cannot be found, then it is a new connection (to us). | ||||||
| 6259 | */ | ||||||
| 6260 | conversation = find_conversation_pinfo(pinfo, 0); | ||||||
| 6261 | { | ||||||
| 6262 | /* This should be impossible - the TCP dissector requires this conversation. | ||||||
| 6263 | * Bail... | ||||||
| 6264 | */ | ||||||
| 6265 | DISSECTOR_ASSERT(conversation != NULL)((void) ((conversation != ((void*)0)) ? (void)0 : (proto_report_dissector_bug ("%s:%u: failed assertion \"%s\"", "epan/dissectors/packet-dof.c" , 6265, "conversation != ((void*)0)")))); | ||||||
| 6266 | } | ||||||
| 6267 | |||||||
| 6268 | |||||||
| 6269 | /* This requires explanation. TCP will call this dissector, and we know | ||||||
| 6270 | * that the first byte (offset 0 of this tvb) is the first byte of an | ||||||
| 6271 | * DPS packet. The TCP dissector ensures this. | ||||||
| 6272 | * | ||||||
| 6273 | * We do *not* know that this is the only packet, and | ||||||
| 6274 | * so the dissector that we call below must handle framing. All of | ||||||
| 6275 | * this state must be stored, and so we store it in a transport | ||||||
| 6276 | * data structure. DPS packet data is created later and associated | ||||||
| 6277 | * differently. | ||||||
| 6278 | * | ||||||
| 6279 | * Further, this routine MAY be called MULTIPLE times for the SAME | ||||||
| 6280 | * frame with DIFFERENT sequence numbers. This makes handling | ||||||
| 6281 | * retransmissions very difficult - we must track each call to this | ||||||
| 6282 | * routine with its associated offset and ignore flag. However, due | ||||||
| 6283 | * to the way that Wireshark handles asking for more data we cannot | ||||||
| 6284 | * mark an offset as "duplicate" until after it has been processed. | ||||||
| 6285 | */ | ||||||
| 6286 | |||||||
| 6287 | /* TCP packet data is only associated with TCP frames that hold DPS packets. */ | ||||||
| 6288 | session = (tcp_session_data *)conversation_get_proto_data(conversation, proto_2012_1_tunnel); | ||||||
| 6289 | if (session == NULL((void*)0)) | ||||||
| 6290 | { | ||||||
| 6291 | session = create_tcp_session_data(pinfo, conversation); | ||||||
| 6292 | conversation_add_proto_data(conversation, proto_2012_1_tunnel, session); | ||||||
| 6293 | } | ||||||
| 6294 | |||||||
| 6295 | packet = (tcp_packet_data *)p_get_proto_data(wmem_file_scope(), pinfo, proto_2012_1_tunnel, 0); | ||||||
| 6296 | if (packet == NULL((void*)0)) | ||||||
| 6297 | { | ||||||
| 6298 | packet = wmem_new0(wmem_file_scope(), tcp_packet_data)((tcp_packet_data*)wmem_alloc0((wmem_file_scope()), sizeof(tcp_packet_data ))); | ||||||
| 6299 | p_add_proto_data(wmem_file_scope(), pinfo, proto_2012_1_tunnel, 0, packet); | ||||||
| 6300 | } | ||||||
| 6301 | |||||||
| 6302 | if (is_retransmission(pinfo, session, packet, tcpinfo)) | ||||||
| 6303 | return 0; | ||||||
| 6304 | |||||||
| 6305 | /* Loop, checking all the packets in this TCP frame. | ||||||
| 6306 | */ | ||||||
| 6307 | { | ||||||
| 6308 | /* Note that we must handle fragmentation on TCP... */ | ||||||
| 6309 | unsigned offset = 0; | ||||||
| 6310 | |||||||
| 6311 | while (offset < tvb_reported_length(tvb)) | ||||||
| 6312 | { | ||||||
| 6313 | int available = tvb_reported_length_remaining(tvb, offset); | ||||||
| 6314 | int packet_length; | ||||||
| 6315 | int header_length; | ||||||
| 6316 | int i; | ||||||
| 6317 | |||||||
| 6318 | if (available < 3) | ||||||
| 6319 | { | ||||||
| 6320 | pinfo->desegment_offset = offset; | ||||||
| 6321 | pinfo->desegment_len = DESEGMENT_ONE_MORE_SEGMENT0x0fffffff; | ||||||
| 6322 | return offset + available; | ||||||
| 6323 | } | ||||||
| 6324 | |||||||
| 6325 | packet_length = 0; | ||||||
| 6326 | header_length = 3; | ||||||
| 6327 | |||||||
| 6328 | for (i = 0; i < 2; i++) | ||||||
| 6329 | packet_length = packet_length * 256 + tvb_get_uint8(tvb, offset + 1 + i); | ||||||
| 6330 | |||||||
| 6331 | packet_length += header_length; | ||||||
| 6332 | |||||||
| 6333 | if (available < packet_length) | ||||||
| 6334 | { | ||||||
| 6335 | pinfo->desegment_offset = offset; | ||||||
| 6336 | pinfo->desegment_len = packet_length - available; | ||||||
| 6337 | return offset + available; | ||||||
| 6338 | } | ||||||
| 6339 | |||||||
| 6340 | /* We have a packet. We have to store the dof_packet_data in a list, as there may be | ||||||
| 6341 | * multiple DPS packets in a single Wireshark frame. | ||||||
| 6342 | */ | ||||||
| 6343 | { | ||||||
| 6344 | tvbuff_t *next_tvb = tvb_new_subset_length(tvb, offset, packet_length); | ||||||
| 6345 | tcp_dof_packet_ref *ref; | ||||||
| 6346 | int raw_offset = tvb_raw_offset(tvb) + offset; | ||||||
| 6347 | bool_Bool ref_is_new = false0; | ||||||
| 6348 | |||||||
| 6349 | /* Get the packet data. This is a list in increasing sequence order. */ | ||||||
| 6350 | if (packet->dof_packets == NULL((void*)0)) | ||||||
| 6351 | { | ||||||
| 6352 | ref_is_new = true1; | ||||||
| 6353 | ref = wmem_new0(wmem_file_scope(), tcp_dof_packet_ref)((tcp_dof_packet_ref*)wmem_alloc0((wmem_file_scope()), sizeof (tcp_dof_packet_ref))); | ||||||
| 6354 | ref->transport_packet.sender_id = assign_addr_port_id(pinfo->pool, &pinfo->src, pinfo->srcport); | ||||||
| 6355 | ref->transport_packet.receiver_id = assign_addr_port_id(pinfo->pool, &pinfo->dst, pinfo->destport); | ||||||
| 6356 | packet->dof_packets = ref; | ||||||
| 6357 | ref->start_offset = raw_offset; | ||||||
| 6358 | } | ||||||
| 6359 | else | ||||||
| 6360 | ref = packet->dof_packets; | ||||||
| 6361 | |||||||
| 6362 | /* Find the entry for our offset. */ | ||||||
| 6363 | while (ref->start_offset != raw_offset) | ||||||
| 6364 | { | ||||||
| 6365 | if (ref->next) | ||||||
| 6366 | { | ||||||
| 6367 | ref = ref->next; | ||||||
| 6368 | continue; | ||||||
| 6369 | } | ||||||
| 6370 | |||||||
| 6371 | { | ||||||
| 6372 | tcp_dof_packet_ref *last = ref; | ||||||
| 6373 | |||||||
| 6374 | /* This is the default state, NULL and 0. */ | ||||||
| 6375 | ref_is_new = true1; | ||||||
| 6376 | ref = wmem_new0(wmem_file_scope(), tcp_dof_packet_ref)((tcp_dof_packet_ref*)wmem_alloc0((wmem_file_scope()), sizeof (tcp_dof_packet_ref))); | ||||||
| 6377 | ref->transport_packet.sender_id = last->transport_packet.sender_id; | ||||||
| 6378 | ref->transport_packet.receiver_id = last->transport_packet.receiver_id; | ||||||
| 6379 | ref->start_offset = raw_offset; | ||||||
| 6380 | last->next = ref; | ||||||
| 6381 | } | ||||||
| 6382 | } | ||||||
| 6383 | |||||||
| 6384 | if (ref_is_new) | ||||||
| 6385 | { | ||||||
| 6386 | dof_transport_packet *tp = &(ref->transport_packet); | ||||||
| 6387 | |||||||
| 6388 | tp->is_sent_by_client = false0; | ||||||
| 6389 | if (addresses_equal(&session->client.addr, &pinfo->src) && | ||||||
| 6390 | (session->client.port == pinfo->srcport)) | ||||||
| 6391 | tp->is_sent_by_client = true1; | ||||||
| 6392 | |||||||
| 6393 | ref->api_data.transport_session = (dof_transport_session *)&(session->common); | ||||||
| 6394 | ref->api_data.transport_packet = tp; | ||||||
| 6395 | } | ||||||
| 6396 | |||||||
| 6397 | /* Manage the private data, restoring the existing value. Call the common dissector. */ | ||||||
| 6398 | { | ||||||
| 6399 | dissect_tunnel_common(next_tvb, pinfo, tree, ref); | ||||||
| 6400 | } | ||||||
| 6401 | } | ||||||
| 6402 | |||||||
| 6403 | offset += packet_length; | ||||||
| 6404 | } | ||||||
| 6405 | |||||||
| 6406 | return tvb_captured_length(tvb); | ||||||
| 6407 | } | ||||||
| 6408 | } | ||||||
| 6409 | |||||||
| 6410 | /* Dissectors */ | ||||||
| 6411 | |||||||
| 6412 | static int dissect_dnp_0(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 6413 | { | ||||||
| 6414 | unsigned offset = 0; | ||||||
| 6415 | |||||||
| 6416 | uint8_t dnp_flags_included = 0; | ||||||
| 6417 | |||||||
| 6418 | offset = 0; | ||||||
| 6419 | col_clear(pinfo->cinfo, COL_INFO); | ||||||
| 6420 | |||||||
| 6421 | /* Compute the DNP control information. This is the version and the flags byte. | ||||||
| 6422 | * The flags byte is either present, or is based on the version (and can be defaulted). | ||||||
| 6423 | */ | ||||||
| 6424 | { | ||||||
| 6425 | uint8_t header = tvb_get_uint8(tvb, offset); | ||||||
| 6426 | |||||||
| 6427 | dnp_flags_included = (header & 0x80) != 0; | ||||||
| 6428 | |||||||
| 6429 | offset += 1; | ||||||
| 6430 | |||||||
| 6431 | { | ||||||
| 6432 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "DNPv0 "); | ||||||
| 6433 | |||||||
| 6434 | if (dnp_flags_included) | ||||||
| 6435 | { | ||||||
| 6436 | /* TODO: Protocol violation. */ | ||||||
| 6437 | } | ||||||
| 6438 | |||||||
| 6439 | if (tvb_reported_length(tvb) == offset) | ||||||
| 6440 | col_set_str(pinfo->cinfo, COL_INFO, "Query"); | ||||||
| 6441 | else | ||||||
| 6442 | { | ||||||
| 6443 | uint8_t first = tvb_get_uint8(tvb, offset); | ||||||
| 6444 | if (first == 0) | ||||||
| 6445 | { | ||||||
| 6446 | /* Query with padding. */ | ||||||
| 6447 | col_set_str(pinfo->cinfo, COL_INFO, "Query"); | ||||||
| 6448 | proto_tree_add_item(tree, hf_2008_1_dnp_0_1_1_padding, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 6449 | } | ||||||
| 6450 | else | ||||||
| 6451 | { | ||||||
| 6452 | /* Response. */ | ||||||
| 6453 | col_set_str(pinfo->cinfo, COL_INFO, "Query Response"); | ||||||
| 6454 | while (first) | ||||||
| 6455 | { | ||||||
| 6456 | proto_tree_add_item(tree, hf_2008_1_dnp_0_1_1_version, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 6457 | offset += 1; | ||||||
| 6458 | if (offset == tvb_reported_length(tvb)) | ||||||
| 6459 | break; | ||||||
| 6460 | |||||||
| 6461 | first = tvb_get_uint8(tvb, offset); | ||||||
| 6462 | } | ||||||
| 6463 | |||||||
| 6464 | if (offset < tvb_reported_length(tvb)) | ||||||
| 6465 | proto_tree_add_item(tree, hf_2008_1_dnp_0_1_1_padding, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 6466 | } | ||||||
| 6467 | } | ||||||
| 6468 | } | ||||||
| 6469 | } | ||||||
| 6470 | |||||||
| 6471 | col_set_fence(pinfo->cinfo, COL_PROTOCOL); | ||||||
| 6472 | col_set_fence(pinfo->cinfo, COL_INFO); | ||||||
| 6473 | return tvb_reported_length(tvb); | ||||||
| 6474 | } | ||||||
| 6475 | |||||||
| 6476 | /** | ||||||
| 6477 | * Determine the length of the packet in tvb, starting at an offset that is passed as a | ||||||
| 6478 | * pointer in private_data. | ||||||
| 6479 | * Return 0 if the length cannot be determined because there is not enough data in | ||||||
| 6480 | * the buffer, otherwise return the length of the packet. | ||||||
| 6481 | */ | ||||||
| 6482 | static int determine_packet_length_1(tvbuff_t *tvb, packet_info *pinfo _U___attribute__((unused)), proto_tree *tree _U___attribute__((unused)), void *data) | ||||||
| 6483 | { | ||||||
| 6484 | /* Note that we must handle fragmentation on TCP... */ | ||||||
| 6485 | int offset = *((int *)data); | ||||||
| 6486 | |||||||
| 6487 | { | ||||||
| 6488 | int available = tvb_ensure_captured_length_remaining(tvb, offset); | ||||||
| 6489 | uint8_t header, flags; | ||||||
| 6490 | uint8_t size; | ||||||
| 6491 | uint8_t i; | ||||||
| 6492 | int data_len, header_len; | ||||||
| 6493 | |||||||
| 6494 | if (available < 2) | ||||||
| 6495 | return 0; | ||||||
| 6496 | |||||||
| 6497 | header = tvb_get_uint8(tvb, offset); | ||||||
| 6498 | data_len = 0; | ||||||
| 6499 | |||||||
| 6500 | if ((header & 0x80) == 0) | ||||||
| 6501 | { | ||||||
| 6502 | /* The length is fixed in this case... */ | ||||||
| 6503 | data_len = 0; | ||||||
| 6504 | header_len = 2; | ||||||
| 6505 | size = 0; | ||||||
| 6506 | } | ||||||
| 6507 | else | ||||||
| 6508 | { | ||||||
| 6509 | flags = tvb_get_uint8(tvb, offset + 1); | ||||||
| 6510 | size = flags & 0x03; | ||||||
| 6511 | header_len = 2 + size; | ||||||
| 6512 | } | ||||||
| 6513 | |||||||
| 6514 | if (available < header_len) | ||||||
| 6515 | return 0; | ||||||
| 6516 | |||||||
| 6517 | for (i = 0; i < size; i++) | ||||||
| 6518 | data_len = data_len * 256 + tvb_get_uint8(tvb, offset + 2 + i); | ||||||
| 6519 | |||||||
| 6520 | return header_len + data_len; | ||||||
| 6521 | } | ||||||
| 6522 | } | ||||||
| 6523 | |||||||
| 6524 | static int dissect_dnp_1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 6525 | { | ||||||
| 6526 | unsigned offset = 0; | ||||||
| 6527 | dof_api_data *api_data = (dof_api_data *)data; | ||||||
| 6528 | dof_packet_data *packet; | ||||||
| 6529 | |||||||
| 6530 | int8_t dnp_version = -1; | ||||||
| 6531 | uint8_t dnp_flags_included = 0; | ||||||
| 6532 | uint8_t dnp_length_length = 0; | ||||||
| 6533 | uint32_t dnp_flags = 0; | ||||||
| 6534 | |||||||
| 6535 | unsigned length = 0; | ||||||
| 6536 | unsigned encapsulated_length = 0; | ||||||
| 6537 | |||||||
| 6538 | int i; | ||||||
| 6539 | |||||||
| 6540 | proto_tree *dnp_tree = tree; | ||||||
| 6541 | |||||||
| 6542 | if (!api_data) | ||||||
| 6543 | { | ||||||
| 6544 | /* TODO: Print error */ | ||||||
| 6545 | return 0; | ||||||
| 6546 | } | ||||||
| 6547 | |||||||
| 6548 | if (!api_data->packet) | ||||||
| 6549 | { | ||||||
| 6550 | /* TODO: Print error */ | ||||||
| 6551 | return 0; | ||||||
| 6552 | } | ||||||
| 6553 | |||||||
| 6554 | packet = api_data->packet; | ||||||
| 6555 | |||||||
| 6556 | offset = 0; | ||||||
| 6557 | col_clear(pinfo->cinfo, COL_INFO); | ||||||
| 6558 | |||||||
| 6559 | /* Compute the DNP control information. This is the version and the flags byte. | ||||||
| 6560 | * The flags byte is either present, or is based on the version (and can be defaulted). | ||||||
| 6561 | */ | ||||||
| 6562 | { | ||||||
| 6563 | uint8_t header = tvb_get_uint8(tvb, offset); | ||||||
| 6564 | uint32_t dnp_src_port = 0; | ||||||
| 6565 | uint32_t dnp_dst_port = 0; | ||||||
| 6566 | |||||||
| 6567 | dnp_version = header & 0x7F; | ||||||
| 6568 | dnp_flags_included = (header & 0x80) != 0; | ||||||
| 6569 | |||||||
| 6570 | |||||||
| 6571 | offset += 1; | ||||||
| 6572 | |||||||
| 6573 | { | ||||||
| 6574 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "DNPv1 "); | ||||||
| 6575 | |||||||
| 6576 | if (dnp_flags_included) | ||||||
| 6577 | { | ||||||
| 6578 | /* Including flags always terminates negotiation. */ | ||||||
| 6579 | /* packet->negotiated = true; */ | ||||||
| 6580 | |||||||
| 6581 | proto_item *flags_item; | ||||||
| 6582 | |||||||
| 6583 | dnp_flags = tvb_get_uint8(tvb, offset); | ||||||
| 6584 | flags_item = proto_tree_add_bitmask(dnp_tree, tvb, offset, hf_2009_9_dnp_1_flags, ett_2009_9_dnp_1_flags, bitmask_2009_9_dnp_1_flags, ENC_BIG_ENDIAN0x00000000); | ||||||
| 6585 | if ((dnp_flags & 0xF0) != 0) | ||||||
| 6586 | expert_add_info(pinfo, flags_item, &ei_dof_10_flags_zero); | ||||||
| 6587 | |||||||
| 6588 | offset += 1; | ||||||
| 6589 | } | ||||||
| 6590 | else | ||||||
| 6591 | dnp_flags = DNP_V1_DEFAULT_FLAGS(0); | ||||||
| 6592 | |||||||
| 6593 | /* Determine the size of the length field. */ | ||||||
| 6594 | dnp_length_length = dnp_flags & 0x03; | ||||||
| 6595 | if (dnp_length_length) | ||||||
| 6596 | proto_tree_add_item(dnp_tree, hf_2009_9_dnp_1_length, tvb, offset, dnp_length_length, ENC_BIG_ENDIAN0x00000000); | ||||||
| 6597 | |||||||
| 6598 | /* Read the length. */ | ||||||
| 6599 | length = 0; | ||||||
| 6600 | for (i = 0; i < dnp_length_length; i++) | ||||||
| 6601 | length = (length << 8) | tvb_get_uint8(tvb, offset + i); | ||||||
| 6602 | |||||||
| 6603 | /* Validate the length. */ | ||||||
| 6604 | #if 0 | ||||||
| 6605 | if ( (length == 0) && packet->negotiated && session && ! session->connectionless ) | ||||||
| 6606 | { | ||||||
| 6607 | expert_add_info( pinfo, NULL((void*)0), &ei_dof_13_length_specified ); | ||||||
| 6608 | } | ||||||
| 6609 | #endif | ||||||
| 6610 | |||||||
| 6611 | offset += dnp_length_length; | ||||||
| 6612 | |||||||
| 6613 | /* If there isn't a length specified then use the packet size. */ | ||||||
| 6614 | if (dnp_length_length == 0) | ||||||
| 6615 | length = tvb_reported_length_remaining(tvb, offset); | ||||||
| 6616 | |||||||
| 6617 | encapsulated_length = length; | ||||||
| 6618 | |||||||
| 6619 | /* Read the srcport */ | ||||||
| 6620 | if (dnp_flags & 0x04) | ||||||
| 6621 | { | ||||||
| 6622 | int s_offset = offset; | ||||||
| 6623 | proto_item *item; | ||||||
| 6624 | int dnp_src_port_len; | ||||||
| 6625 | |||||||
| 6626 | offset = read_c3(tvb, offset, &dnp_src_port, &dnp_src_port_len); | ||||||
| 6627 | item = proto_tree_add_uint_format(dnp_tree, hf_2009_9_dnp_1_srcport, tvb, s_offset, offset - s_offset, dnp_src_port, "Source Address: %u", dnp_src_port); | ||||||
| 6628 | validate_c3(pinfo, item, dnp_src_port, dnp_src_port_len); | ||||||
| 6629 | if (s_offset < 0 || offset < (unsigned)s_offset || offset - (unsigned)s_offset > encapsulated_length) | ||||||
| 6630 | { | ||||||
| 6631 | expert_add_info(pinfo, item, &ei_dof_dnp_length_short); | ||||||
| 6632 | return offset; | ||||||
| 6633 | } | ||||||
| 6634 | encapsulated_length -= offset - (unsigned)s_offset; | ||||||
| 6635 | } | ||||||
| 6636 | else | ||||||
| 6637 | { | ||||||
| 6638 | proto_item *item = proto_tree_add_uint_format(dnp_tree, hf_2009_9_dnp_1_srcport, tvb, 0, 0, 0, "Source Address: %u", 0); | ||||||
| 6639 | proto_item_set_generated(item); | ||||||
| 6640 | } | ||||||
| 6641 | |||||||
| 6642 | /* Read the dstport */ | ||||||
| 6643 | if (dnp_flags & 0x08) | ||||||
| 6644 | { | ||||||
| 6645 | int s_offset = offset; | ||||||
| 6646 | int dnp_dst_port_len; | ||||||
| 6647 | proto_item *item; | ||||||
| 6648 | |||||||
| 6649 | offset = read_c3(tvb, offset, &dnp_dst_port, &dnp_dst_port_len); | ||||||
| 6650 | item = proto_tree_add_uint_format(dnp_tree, hf_2009_9_dnp_1_dstport, tvb, s_offset, offset - s_offset, dnp_dst_port, "Destination Address: %u", dnp_dst_port); | ||||||
| 6651 | validate_c3(pinfo, item, dnp_dst_port, dnp_dst_port_len); | ||||||
| 6652 | if (s_offset < 0 || offset < (unsigned)s_offset || offset - (unsigned)s_offset > encapsulated_length) | ||||||
| 6653 | { | ||||||
| 6654 | expert_add_info(pinfo, item, &ei_dof_dnp_length_short); | ||||||
| 6655 | return offset; | ||||||
| 6656 | } | ||||||
| 6657 | encapsulated_length -= offset - (unsigned)s_offset; | ||||||
| 6658 | } | ||||||
| 6659 | else | ||||||
| 6660 | { | ||||||
| 6661 | proto_item *item = proto_tree_add_uint_format(dnp_tree, hf_2009_9_dnp_1_dstport, tvb, 0, 0, 0, "Destination Address: %u", 0); | ||||||
| 6662 | proto_item_set_generated(item); | ||||||
| 6663 | } | ||||||
| 6664 | } | ||||||
| 6665 | |||||||
| 6666 | proto_item_set_end(tree, tvb, offset); | ||||||
| 6667 | |||||||
| 6668 | /* Given the transport session and the DPS port information, determine the DPS session. */ | ||||||
| 6669 | if (api_data->session == NULL((void*)0)) | ||||||
| 6670 | { | ||||||
| 6671 | uint32_t client; | ||||||
| 6672 | uint32_t server; | ||||||
| 6673 | |||||||
| 6674 | if (api_data->transport_packet->is_sent_by_client) | ||||||
| 6675 | { | ||||||
| 6676 | client = dnp_src_port; | ||||||
| 6677 | server = dnp_dst_port; | ||||||
| 6678 | } | ||||||
| 6679 | else | ||||||
| 6680 | { | ||||||
| 6681 | client = dnp_dst_port; | ||||||
| 6682 | server = dnp_src_port; | ||||||
| 6683 | } | ||||||
| 6684 | |||||||
| 6685 | api_data->session = dof_ns_session_retrieve(api_data->transport_session->transport_session_id, client, server); | ||||||
| 6686 | if (api_data->session == NULL((void*)0)) | ||||||
| 6687 | { | ||||||
| 6688 | dof_session_data *sdata = wmem_new0(wmem_file_scope(), dof_session_data)((dof_session_data*)wmem_alloc0((wmem_file_scope()), sizeof(dof_session_data ))); | ||||||
| 6689 | dof_ns_session_define(api_data->transport_session->transport_session_id, client, server, sdata); | ||||||
| 6690 | sdata->session_id = globals.next_session++; | ||||||
| 6691 | sdata->dof_id = dnp_version; | ||||||
| 6692 | api_data->session = sdata; | ||||||
| 6693 | } | ||||||
| 6694 | } | ||||||
| 6695 | |||||||
| 6696 | packet->sender_id = dnp_src_port; | ||||||
| 6697 | packet->receiver_id = dnp_dst_port; | ||||||
| 6698 | |||||||
| 6699 | /* Assuming there is more, it must be DPP. */ | ||||||
| 6700 | |||||||
| 6701 | /* We have a packet. */ | ||||||
| 6702 | { | ||||||
| 6703 | tvbuff_t *next_tvb = tvb_new_subset_length(tvb, offset, encapsulated_length); | ||||||
| 6704 | offset += dof_dissect_dpp_common(next_tvb, pinfo, proto_item_get_parent(tree), data); | ||||||
| 6705 | } | ||||||
| 6706 | } | ||||||
| 6707 | |||||||
| 6708 | col_set_fence(pinfo->cinfo, COL_PROTOCOL); | ||||||
| 6709 | col_set_fence(pinfo->cinfo, COL_INFO); | ||||||
| 6710 | return offset; | ||||||
| 6711 | } | ||||||
| 6712 | |||||||
| 6713 | static int dissect_dpp_0(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 6714 | { | ||||||
| 6715 | unsigned offset = 0; | ||||||
| 6716 | |||||||
| 6717 | uint8_t dpp_flags_included = 0; | ||||||
| 6718 | |||||||
| 6719 | offset = 0; | ||||||
| 6720 | col_clear(pinfo->cinfo, COL_INFO); | ||||||
| 6721 | |||||||
| 6722 | /* Compute the DPP control information. This is the version and the flags byte. | ||||||
| 6723 | * The flags byte is either present, or is based on the version (and can be defaulted). | ||||||
| 6724 | */ | ||||||
| 6725 | { | ||||||
| 6726 | uint8_t header = tvb_get_uint8(tvb, offset); | ||||||
| 6727 | |||||||
| 6728 | dpp_flags_included = (header & 0x80) != 0; | ||||||
| 6729 | |||||||
| 6730 | offset += 1; | ||||||
| 6731 | |||||||
| 6732 | { | ||||||
| 6733 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "DPPv0 "); | ||||||
| 6734 | |||||||
| 6735 | if (dpp_flags_included) | ||||||
| 6736 | { | ||||||
| 6737 | /* TODO: Protocol violation. */ | ||||||
| 6738 | } | ||||||
| 6739 | |||||||
| 6740 | if (tvb_reported_length(tvb) == offset) | ||||||
| 6741 | col_set_str(pinfo->cinfo, COL_INFO, "Query"); | ||||||
| 6742 | else | ||||||
| 6743 | { | ||||||
| 6744 | uint8_t first = tvb_get_uint8(tvb, offset); | ||||||
| 6745 | /* Response. */ | ||||||
| 6746 | col_set_str(pinfo->cinfo, COL_INFO, "Query Response"); | ||||||
| 6747 | while (first) | ||||||
| 6748 | { | ||||||
| 6749 | proto_tree_add_item(tree, hf_2008_1_dpp_0_1_1_version, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 6750 | offset += 1; | ||||||
| 6751 | if (offset == tvb_reported_length(tvb)) | ||||||
| 6752 | break; | ||||||
| 6753 | |||||||
| 6754 | first = tvb_get_uint8(tvb, offset); | ||||||
| 6755 | } | ||||||
| 6756 | } | ||||||
| 6757 | } | ||||||
| 6758 | } | ||||||
| 6759 | |||||||
| 6760 | col_set_fence(pinfo->cinfo, COL_PROTOCOL); | ||||||
| 6761 | col_set_fence(pinfo->cinfo, COL_INFO); | ||||||
| 6762 | return tvb_reported_length(tvb); | ||||||
| 6763 | } | ||||||
| 6764 | |||||||
| 6765 | static int dissect_dpp_v2_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 6766 | { | ||||||
| 6767 | dof_api_data *api_data = (dof_api_data *)data; | ||||||
| 6768 | dof_packet_data *packet_data; | ||||||
| 6769 | unsigned offset = 0; | ||||||
| 6770 | uint8_t opcode; | ||||||
| 6771 | uint16_t app; | ||||||
| 6772 | int app_len; | ||||||
| 6773 | proto_item *ti; | ||||||
| 6774 | proto_tree *dpps_tree; | ||||||
| 6775 | proto_tree *opid_tree; | ||||||
| 6776 | |||||||
| 6777 | if (api_data == NULL((void*)0)) | ||||||
| 6778 | { | ||||||
| 6779 | /* TODO: Output error. */ | ||||||
| 6780 | return 0; | ||||||
| 6781 | } | ||||||
| 6782 | |||||||
| 6783 | packet_data = api_data->packet; | ||||||
| 6784 | if (packet_data == NULL((void*)0)) | ||||||
| 6785 | { | ||||||
| 6786 | /* TODO: Output error. */ | ||||||
| 6787 | return 0; | ||||||
| 6788 | } | ||||||
| 6789 | |||||||
| 6790 | /* Make entries in Protocol column and Info column on summary display */ | ||||||
| 6791 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "DPPs "); | ||||||
| 6792 | |||||||
| 6793 | /* Create the protocol tree. */ | ||||||
| 6794 | offset = 0; | ||||||
| 6795 | ti = proto_tree_add_item(tree, proto_2009_12_dpp_common, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 6796 | dpps_tree = proto_item_add_subtree(ti, ett_2009_12_dpp_common); | ||||||
| 6797 | |||||||
| 6798 | /* Add the APPID. */ | ||||||
| 6799 | offset = read_c2(tvb, offset, &app, &app_len); | ||||||
| 6800 | ti = proto_tree_add_uint(dpps_tree, hf_2008_1_app_version, tvb, 0, app_len, app); | ||||||
| 6801 | validate_c2(pinfo, ti, app, app_len); | ||||||
| 6802 | |||||||
| 6803 | |||||||
| 6804 | /* Retrieve the opcode. */ | ||||||
| 6805 | opcode = tvb_get_uint8(tvb, offset); | ||||||
| 6806 | if (!packet_data->is_command) | ||||||
| 6807 | opcode |= OP_2009_12_RESPONSE_FLAG(0x80); | ||||||
| 6808 | |||||||
| 6809 | col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(pinfo->pool, opcode, strings_2009_12_dpp_common_opcodes, "Unknown Opcode (%d)")); | ||||||
| 6810 | |||||||
| 6811 | /* Opcode */ | ||||||
| 6812 | proto_tree_add_uint_format(dpps_tree, hf_2009_12_dpp_2_14_opcode, tvb, offset, 1, opcode & 0x3F, "Opcode: %s (%u)", val_to_str(pinfo->pool, opcode, strings_2009_12_dpp_common_opcodes, "Unknown Opcode (%d)"), opcode & 0x3F); | ||||||
| 6813 | offset += 1; | ||||||
| 6814 | |||||||
| 6815 | switch (opcode) | ||||||
| 6816 | { | ||||||
| 6817 | case OP_2009_12_SOURCE_LOST_CMD(1): | ||||||
| 6818 | case OP_2009_12_SOURCE_FOUND_CMD(8): | ||||||
| 6819 | case OP_2009_12_RENAME_CMD(2): | ||||||
| 6820 | packet_data->has_referenced_opid = true1; | ||||||
| 6821 | |||||||
| 6822 | /* FALL THROUGH */ | ||||||
| 6823 | |||||||
| 6824 | case OP_2009_12_CANCEL_ALL_CMD(4): | ||||||
| 6825 | case OP_2009_12_NODE_DOWN_CMD(0): | ||||||
| 6826 | case OP_2009_12_QUERY_RSP((0x80)|(6)): | ||||||
| 6827 | /* SID */ | ||||||
| 6828 | { | ||||||
| 6829 | proto_tree *oid_tree; | ||||||
| 6830 | int opid_len; | ||||||
| 6831 | tvbuff_t *next_tvb; | ||||||
| 6832 | |||||||
| 6833 | if (packet_data->has_referenced_opid) | ||||||
| 6834 | { | ||||||
| 6835 | opid_tree = proto_tree_add_subtree(dpps_tree, tvb, offset, 0, ett_2009_12_dpp_2_opid, NULL((void*)0), "Operation Identifier"); | ||||||
| 6836 | } | ||||||
| 6837 | else | ||||||
| 6838 | { | ||||||
| 6839 | opid_tree = dpps_tree; | ||||||
| 6840 | } | ||||||
| 6841 | |||||||
| 6842 | oid_tree = proto_tree_add_subtree(opid_tree, tvb, offset, 0, ett_2009_12_dpp_2_opid, NULL((void*)0), "Source Identifier"); | ||||||
| 6843 | |||||||
| 6844 | next_tvb = tvb_new_subset_length(tvb, offset, tvb_reported_length(tvb) - offset); | ||||||
| 6845 | opid_len = call_dissector_only(dof_oid_handle, next_tvb, pinfo, oid_tree, NULL((void*)0)); | ||||||
| 6846 | |||||||
| 6847 | learn_sender_sid(api_data, opid_len, tvb_get_ptr(next_tvb, 0, opid_len)); | ||||||
| 6848 | if (packet_data->has_referenced_opid) | ||||||
| 6849 | learn_operation_sid(packet_data, &packet_data->ref_op, opid_len, tvb_get_ptr(next_tvb, 0, opid_len)); | ||||||
| 6850 | |||||||
| 6851 | offset += opid_len; | ||||||
| 6852 | } | ||||||
| 6853 | |||||||
| 6854 | if (packet_data->has_referenced_opid) | ||||||
| 6855 | { | ||||||
| 6856 | uint32_t opcnt; | ||||||
| 6857 | int opcnt_len; | ||||||
| 6858 | proto_item *pi; | ||||||
| 6859 | |||||||
| 6860 | read_c4(tvb, offset, &opcnt, &opcnt_len); | ||||||
| 6861 | pi = proto_tree_add_uint_format(opid_tree, hf_2009_12_dpp_2_1_opcnt, tvb, offset, opcnt_len, opcnt, "Operation Count: %u", opcnt); | ||||||
| 6862 | validate_c4(pinfo, pi, opcnt, opcnt_len); | ||||||
| 6863 | offset += opcnt_len; | ||||||
| 6864 | |||||||
| 6865 | packet_data->ref_op.op_cnt = opcnt; | ||||||
| 6866 | } | ||||||
| 6867 | |||||||
| 6868 | break; | ||||||
| 6869 | } | ||||||
| 6870 | return offset; | ||||||
| 6871 | } | ||||||
| 6872 | |||||||
| 6873 | static int dissect_dpp_2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 6874 | { | ||||||
| 6875 | dof_api_data *api_data = (dof_api_data *)data; | ||||||
| 6876 | dof_packet_data *packet_data; | ||||||
| 6877 | |||||||
| 6878 | proto_item *ti = NULL((void*)0); | ||||||
| 6879 | proto_item *tf = NULL((void*)0); | ||||||
| 6880 | proto_item *opid = NULL((void*)0); | ||||||
| 6881 | |||||||
| 6882 | int opid_start = -1; | ||||||
| 6883 | uint8_t dpp_flags_included = 0; | ||||||
| 6884 | uint32_t dpp_flags = 0; | ||||||
| 6885 | uint8_t dpp_opid_keytype = 0; | ||||||
| 6886 | |||||||
| 6887 | proto_tree *dpp_flags_tree; | ||||||
| 6888 | proto_tree *opid_tree = NULL((void*)0); | ||||||
| 6889 | |||||||
| 6890 | |||||||
| 6891 | unsigned offset = 0; | ||||||
| 6892 | |||||||
| 6893 | proto_tree *dpp_tree = tree; | ||||||
| 6894 | |||||||
| 6895 | if (api_data == NULL((void*)0)) | ||||||
| |||||||
| 6896 | { | ||||||
| 6897 | /* TODO: Output error. */ | ||||||
| 6898 | return 0; | ||||||
| 6899 | } | ||||||
| 6900 | |||||||
| 6901 | packet_data = api_data->packet; | ||||||
| 6902 | if (packet_data == NULL((void*)0)) | ||||||
| 6903 | { | ||||||
| 6904 | /* TODO: Output error. */ | ||||||
| 6905 | return 0; | ||||||
| 6906 | } | ||||||
| 6907 | |||||||
| 6908 | /* We should have everything required for determining the SID ID. */ | ||||||
| 6909 | assign_sid_id(api_data); | ||||||
| 6910 | |||||||
| 6911 | offset = 0; | ||||||
| 6912 | col_clear(pinfo->cinfo, COL_INFO); | ||||||
| 6913 | |||||||
| 6914 | /* Compute the DPP control information. This is the version and the flags byte. | ||||||
| 6915 | * The flags byte is either present, or is based on the version (and can be defaulted). | ||||||
| 6916 | */ | ||||||
| 6917 | { | ||||||
| 6918 | uint8_t header = tvb_get_uint8(tvb, offset); | ||||||
| 6919 | dpp_flags_included = (header & 0x80) != 0; | ||||||
| 6920 | offset += 1; | ||||||
| 6921 | |||||||
| 6922 | { | ||||||
| 6923 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "DPPv2 "); | ||||||
| 6924 | |||||||
| 6925 | ti = proto_tree_add_uint_format(tree, hf_2008_1_dpp_sid_num, tvb, | ||||||
| 6926 | 0, 0, packet_data->sender_sid_id, "SID ID: %d", packet_data->sender_sid_id); | ||||||
| 6927 | proto_item_set_generated(ti); | ||||||
| 6928 | |||||||
| 6929 | if (packet_data->sender_sid) | ||||||
| 6930 | { | ||||||
| 6931 | const char *SID = dof_oid_create_standard_string(pinfo->pool, packet_data->sender_sid[0], packet_data->sender_sid + 1, pinfo); | ||||||
| 6932 | ti = proto_tree_add_bytes_format_value(tree, hf_2008_1_dpp_sid_str, tvb, 0, 0, packet_data->sender_sid, "%s", SID); | ||||||
| 6933 | proto_item_set_generated(ti); | ||||||
| 6934 | } | ||||||
| 6935 | |||||||
| 6936 | ti = proto_tree_add_uint_format(tree, hf_2008_1_dpp_rid_num, tvb, | ||||||
| 6937 | 0, 0, packet_data->receiver_sid_id, "RID ID: %d", packet_data->receiver_sid_id); | ||||||
| 6938 | proto_item_set_generated(ti); | ||||||
| 6939 | |||||||
| 6940 | if (packet_data->receiver_sid) | ||||||
| 6941 | { | ||||||
| 6942 | const char *SID = dof_oid_create_standard_string(pinfo->pool, packet_data->receiver_sid[0], packet_data->receiver_sid + 1, pinfo); | ||||||
| 6943 | ti = proto_tree_add_bytes_format_value(tree, hf_2008_1_dpp_rid_str, tvb, 0, 0, packet_data->receiver_sid, "%s", SID); | ||||||
| 6944 | proto_item_set_generated(ti); | ||||||
| 6945 | } | ||||||
| 6946 | |||||||
| 6947 | if (dpp_flags_included
| ||||||
| 6948 | { | ||||||
| 6949 | dpp_flags = tvb_get_uint8(tvb, offset); | ||||||
| 6950 | tf = proto_tree_add_uint_format(dpp_tree, hf_2009_12_dpp_2_1_flags, tvb, | ||||||
| 6951 | offset, 1, dpp_flags, "Flags: 0x%02x", dpp_flags); | ||||||
| 6952 | if (((dpp_flags & 0x10) != 0) && ((dpp_flags & 0x0F) != 0)) | ||||||
| 6953 | expert_add_info(pinfo, tf, &ei_dpp2_dof_10_flags_zero); | ||||||
| 6954 | if (((dpp_flags & 0x10) == 0) && ((dpp_flags & 0x09) != 0)) | ||||||
| 6955 | expert_add_info(pinfo, tf, &ei_dpp2_dof_10_flags_zero); | ||||||
| 6956 | |||||||
| 6957 | dpp_flags_tree = proto_item_add_subtree(tf, ett_2009_12_dpp_2_1_flags); | ||||||
| 6958 | |||||||
| 6959 | if (dpp_flags == DPP_V2_DEFAULT_FLAGS(0)) | ||||||
| 6960 | expert_add_info(pinfo, dpp_flags_tree, &ei_dpp_default_flags); | ||||||
| 6961 | |||||||
| 6962 | proto_tree_add_item(dpp_flags_tree, hf_2009_12_dpp_2_1_flag_security, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 6963 | proto_tree_add_item(dpp_flags_tree, hf_2009_12_dpp_2_1_flag_opid, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 6964 | proto_tree_add_item(dpp_flags_tree, hf_2009_12_dpp_2_1_flag_cmdrsp, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 6965 | if ((dpp_flags & 0x10) == 0) | ||||||
| 6966 | { | ||||||
| 6967 | proto_tree_add_item(dpp_flags_tree, hf_2009_12_dpp_2_1_flag_seq, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 6968 | proto_tree_add_item(dpp_flags_tree, hf_2009_12_dpp_2_1_flag_retry, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 6969 | } | ||||||
| 6970 | |||||||
| 6971 | offset += 1; | ||||||
| 6972 | } | ||||||
| 6973 | else | ||||||
| 6974 | dpp_flags = DPP_V2_DEFAULT_FLAGS(0); | ||||||
| 6975 | |||||||
| 6976 | packet_data->is_command = (dpp_flags & 0x10) == 0; | ||||||
| 6977 | |||||||
| 6978 | /* We are allowed to be complete here if still negotiating. */ | ||||||
| 6979 | /*if ( ! packet->negotiated && (offset == tvb_reported_length(tvb)) ) | ||||||
| 6980 | { | ||||||
| 6981 | col_set_str( pinfo->cinfo, COL_INFO, "DPS Negotiation" ); | ||||||
| 6982 | return 1; | ||||||
| 6983 | }*/ | ||||||
| 6984 | |||||||
| 6985 | dpp_opid_keytype = (dpp_flags & 0x60) >> 5; | ||||||
| 6986 | switch (dpp_opid_keytype) | ||||||
| 6987 | { | ||||||
| 6988 | case 0: /* No OPID */ | ||||||
| 6989 | packet_data->has_opid = false0; | ||||||
| 6990 | break; | ||||||
| 6991 | |||||||
| 6992 | case 1: /* Implied sender. */ | ||||||
| 6993 | packet_data->has_opid = true1; | ||||||
| 6994 | packet_data->op.op_sid_id = packet_data->sender_sid_id; | ||||||
| 6995 | packet_data->op.op_sid = packet_data->sender_sid; | ||||||
| 6996 | break; | ||||||
| 6997 | |||||||
| 6998 | case 2: /* Implied receiver. */ | ||||||
| 6999 | packet_data->has_opid = true1; | ||||||
| 7000 | packet_data->op.op_sid_id = packet_data->receiver_sid_id; | ||||||
| 7001 | packet_data->op.op_sid = packet_data->receiver_sid; | ||||||
| 7002 | break; | ||||||
| 7003 | |||||||
| 7004 | case 3: /* Explicit. */ | ||||||
| 7005 | packet_data->has_opid = true1; | ||||||
| 7006 | break; | ||||||
| 7007 | } | ||||||
| 7008 | |||||||
| 7009 | if (dpp_opid_keytype
| ||||||
| 7010 | { | ||||||
| 7011 | opid_start = offset; | ||||||
| 7012 | opid_tree = proto_tree_add_subtree(dpp_tree, tvb, offset, 0, ett_2009_12_dpp_2_opid, NULL((void*)0), "Operation Identifier"); | ||||||
| 7013 | } | ||||||
| 7014 | |||||||
| 7015 | switch (dpp_opid_keytype) | ||||||
| 7016 | { | ||||||
| 7017 | case 0: /* We have no opid. */ | ||||||
| 7018 | break; | ||||||
| 7019 | |||||||
| 7020 | case 3: /* Explicit. */ | ||||||
| 7021 | { | ||||||
| 7022 | proto_tree *oid_tree; | ||||||
| 7023 | tvbuff_t *next_tvb; | ||||||
| 7024 | int opid_len; | ||||||
| 7025 | |||||||
| 7026 | oid_tree = proto_tree_add_subtree(opid_tree, tvb, offset, 0, ett_2009_12_dpp_2_opid, NULL((void*)0), "Source Identifier"); | ||||||
| 7027 | |||||||
| 7028 | next_tvb = tvb_new_subset_length(tvb, offset, tvb_reported_length(tvb) - offset); | ||||||
| 7029 | opid_len = call_dissector_only(dof_oid_handle, next_tvb, pinfo, oid_tree, NULL((void*)0)); | ||||||
| 7030 | proto_item_set_len(oid_tree, opid_len); | ||||||
| 7031 | |||||||
| 7032 | learn_operation_sid(packet_data, &packet_data->op, opid_len, tvb_get_ptr(next_tvb, 0, opid_len)); | ||||||
| 7033 | |||||||
| 7034 | /* Warn if Explicit SID could be optimized. */ | ||||||
| 7035 | if (packet_data->op.op_sid_id == packet_data->sender_sid_id) | ||||||
| 7036 | expert_add_info(pinfo, ti, &ei_dpp_explicit_sender_sid_included); | ||||||
| 7037 | if (packet_data->op.op_sid_id == packet_data->receiver_sid_id) | ||||||
| 7038 | expert_add_info(pinfo, ti, &ei_dpp_explicit_receiver_sid_included); | ||||||
| 7039 | |||||||
| 7040 | offset += opid_len; | ||||||
| 7041 | } | ||||||
| 7042 | |||||||
| 7043 | /* FALL THROUGH */ | ||||||
| 7044 | |||||||
| 7045 | case 1: /* Implied sender. */ | ||||||
| 7046 | case 2: /* Implied receiver. */ | ||||||
| 7047 | { | ||||||
| 7048 | uint32_t opcnt; | ||||||
| 7049 | int opcnt_len; | ||||||
| 7050 | proto_item *pi; | ||||||
| 7051 | |||||||
| 7052 | /* Display the SID if known. */ | ||||||
| 7053 | if ((dpp_opid_keytype
| ||||||
| 7054 | { | ||||||
| 7055 | proto_tree *oid_tree; | ||||||
| 7056 | |||||||
| 7057 | tvbuff_t *next_tvb = tvb_new_child_real_data(tvb, packet_data->op.op_sid + 1, packet_data->op.op_sid[0], packet_data->op.op_sid[0]); | ||||||
| 7058 | oid_tree = proto_tree_add_subtree(opid_tree, tvb, 0, 0, ett_2009_12_dpp_2_opid, NULL((void*)0), "Source Identifier"); | ||||||
| 7059 | |||||||
| 7060 | call_dissector_only(dof_oid_handle, next_tvb, pinfo, oid_tree, NULL((void*)0)); | ||||||
| 7061 | |||||||
| 7062 | proto_item_set_generated(ti); | ||||||
| 7063 | } | ||||||
| 7064 | |||||||
| 7065 | read_c4(tvb, offset, &opcnt, &opcnt_len); | ||||||
| 7066 | pi = proto_tree_add_uint_format(opid_tree, hf_2009_12_dpp_2_1_opcnt, tvb, offset, opcnt_len, opcnt, "Operation Count: %u", opcnt); | ||||||
| 7067 | validate_c4(pinfo, pi, opcnt, opcnt_len); | ||||||
| 7068 | offset += opcnt_len; | ||||||
| 7069 | |||||||
| 7070 | proto_item_set_len(opid, offset - opid_start); | ||||||
| 7071 | |||||||
| 7072 | packet_data->op.op_cnt = opcnt; | ||||||
| 7073 | |||||||
| 7074 | /* At this point we have a packet with an operation identifier. We need to | ||||||
| 7075 | * update the master list of operation identifiers, and do any checking that | ||||||
| 7076 | * we can in order to validate things. | ||||||
| 7077 | */ | ||||||
| 7078 | if (packet_data->has_opid && !packet_data->opid_first) | ||||||
| 7079 | { | ||||||
| 7080 | dof_packet_data *first = (dof_packet_data *)g_hash_table_lookup(dpp_opid_to_packet_data, (const void *) & packet_data->op); | ||||||
| 7081 | if (first == NULL((void*)0)) | ||||||
| 7082 | { | ||||||
| 7083 | /* First reference to this operation. */ | ||||||
| 7084 | g_hash_table_insert(dpp_opid_to_packet_data, (void *) & packet_data->op, (void *)packet_data); | ||||||
| 7085 | packet_data->opid_first = packet_data; | ||||||
| 7086 | packet_data->opid_last = packet_data; | ||||||
| 7087 | |||||||
| 7088 | /* The first opid must be a command. */ | ||||||
| 7089 | } | ||||||
| 7090 | else | ||||||
| 7091 | { | ||||||
| 7092 | /* Operation exists, time to patch things in. */ | ||||||
| 7093 | packet_data->opid_first = first; | ||||||
| 7094 | first->opid_last->opid_next = packet_data; | ||||||
| 7095 | first->opid_last = packet_data; | ||||||
| 7096 | |||||||
| 7097 | if (!packet_data->is_command) | ||||||
| 7098 | { | ||||||
| 7099 | if (!first->opid_first_response) | ||||||
| 7100 | { | ||||||
| 7101 | first->opid_first_response = packet_data; | ||||||
| 7102 | first->opid_last_response = packet_data; | ||||||
| 7103 | } | ||||||
| 7104 | else | ||||||
| 7105 | { | ||||||
| 7106 | first->opid_last_response->opid_next_response = packet_data; | ||||||
| 7107 | first->opid_last_response = packet_data; | ||||||
| 7108 | } | ||||||
| 7109 | } | ||||||
| 7110 | } | ||||||
| 7111 | } | ||||||
| 7112 | |||||||
| 7113 | |||||||
| 7114 | /* Add all the reference information to the tree. */ | ||||||
| 7115 | if (globals.track_operations && tree) | ||||||
| 7116 | { | ||||||
| 7117 | proto_tree *ophistory_tree = proto_tree_add_subtree(tree, tvb, 0, 0, ett_2009_12_dpp_2_opid_history, NULL((void*)0), "Operation History"); | ||||||
| 7118 | |||||||
| 7119 | dof_packet_data *ptr = packet_data->opid_first; | ||||||
| 7120 | |||||||
| 7121 | if (ptr) | ||||||
| 7122 | proto_tree_add_uint_format(ophistory_tree, hf_2008_1_dpp_first_command, | ||||||
| 7123 | tvb, 0, 0, ptr->frame, | ||||||
| 7124 | "First Operation: %u", | ||||||
| 7125 | ptr->frame); | ||||||
| 7126 | |||||||
| 7127 | if (ptr->opid_last && ptr->opid_last != ptr) | ||||||
| |||||||
| 7128 | proto_tree_add_uint_format(ophistory_tree, hf_2008_1_dpp_last_command, | ||||||
| 7129 | tvb, 0, 0, ptr->opid_last->frame, | ||||||
| 7130 | "Last Operation: %u", | ||||||
| 7131 | ptr->opid_last->frame); | ||||||
| 7132 | |||||||
| 7133 | if (ptr->opid_first_response) | ||||||
| 7134 | proto_tree_add_uint_format(ophistory_tree, hf_2008_1_dpp_first_response, | ||||||
| 7135 | tvb, 0, 0, ptr->opid_first_response->frame, | ||||||
| 7136 | "First Response: %u", | ||||||
| 7137 | ptr->opid_first_response->frame); | ||||||
| 7138 | |||||||
| 7139 | if (ptr->opid_last_response && ptr->opid_last_response != ptr->opid_first_response) | ||||||
| 7140 | proto_tree_add_uint_format(ophistory_tree, hf_2008_1_dpp_last_response, | ||||||
| 7141 | tvb, 0, 0, ptr->opid_last_response->frame, | ||||||
| 7142 | "Last Response: %u", | ||||||
| 7143 | ptr->opid_last_response->frame); | ||||||
| 7144 | |||||||
| 7145 | /* Determine the window start, then output the number of packets. Output the number of skipped packets before | ||||||
| 7146 | * and after. | ||||||
| 7147 | */ | ||||||
| 7148 | { | ||||||
| 7149 | dof_packet_data *start = packet_data->opid_first; | ||||||
| 7150 | unsigned diff = 0; | ||||||
| 7151 | while (ptr) | ||||||
| 7152 | { | ||||||
| 7153 | if (ptr == packet_data) | ||||||
| 7154 | break; | ||||||
| 7155 | |||||||
| 7156 | ptr = ptr->opid_next; | ||||||
| 7157 | diff += 1; | ||||||
| 7158 | |||||||
| 7159 | if (diff > globals.track_operations_window) | ||||||
| 7160 | { | ||||||
| 7161 | start = start->opid_next; | ||||||
| 7162 | diff -= 1; | ||||||
| 7163 | } | ||||||
| 7164 | } | ||||||
| 7165 | |||||||
| 7166 | ptr = start; | ||||||
| 7167 | diff = 0; | ||||||
| 7168 | |||||||
| 7169 | while (ptr) | ||||||
| 7170 | { | ||||||
| 7171 | const char *THIS = ""; | ||||||
| 7172 | |||||||
| 7173 | if (ptr == packet_data) | ||||||
| 7174 | { | ||||||
| 7175 | THIS = "this "; | ||||||
| 7176 | diff = globals.track_operations_window + 1; | ||||||
| 7177 | } | ||||||
| 7178 | |||||||
| 7179 | /* (DPS Frame) [ws WS Frame]: (SID)->(RID): (THIS) (SUMMARY) */ | ||||||
| 7180 | proto_tree_add_uint_format(ophistory_tree, hf_2008_1_dpp_related_frame, | ||||||
| 7181 | tvb, 0, 0, ptr->frame, | ||||||
| 7182 | "%u[ws %u]: %u->%u: %s%s", | ||||||
| 7183 | ptr->dof_frame, ptr->frame, | ||||||
| 7184 | ptr->sender_sid_id, ptr->receiver_sid_id, | ||||||
| 7185 | THIS, | ||||||
| 7186 | ptr->summary ? ptr->summary : ""); | ||||||
| 7187 | |||||||
| 7188 | ptr = ptr->opid_next; | ||||||
| 7189 | if (diff && !--diff) | ||||||
| 7190 | break; | ||||||
| 7191 | } | ||||||
| 7192 | } | ||||||
| 7193 | } | ||||||
| 7194 | } | ||||||
| 7195 | break; | ||||||
| 7196 | } | ||||||
| 7197 | |||||||
| 7198 | proto_item_set_len(opid_tree, offset - opid_start); | ||||||
| 7199 | |||||||
| 7200 | { | ||||||
| 7201 | if ((dpp_flags & 0x10) == 0) | ||||||
| 7202 | { | ||||||
| 7203 | uint8_t dpp_seq = 0; | ||||||
| 7204 | uint8_t dpp_retry = 0; | ||||||
| 7205 | uint16_t dpp_delay = 0; | ||||||
| 7206 | |||||||
| 7207 | /* Extract SEQ */ | ||||||
| 7208 | if (dpp_flags & 0x04) | ||||||
| 7209 | { | ||||||
| 7210 | dpp_seq = tvb_get_uint8(tvb, offset); | ||||||
| 7211 | proto_tree_add_uint_format(dpp_tree, hf_2009_12_dpp_2_1_seq, tvb, offset, 1, dpp_seq, "Sequence: %u", dpp_seq); | ||||||
| 7212 | offset += 1; | ||||||
| 7213 | } | ||||||
| 7214 | |||||||
| 7215 | /* Extract Retry */ | ||||||
| 7216 | if (dpp_flags & 0x02) | ||||||
| 7217 | { | ||||||
| 7218 | dpp_retry = tvb_get_uint8(tvb, offset); | ||||||
| 7219 | proto_tree_add_uint_format(dpp_tree, hf_2009_12_dpp_2_1_retry, tvb, offset, 1, dpp_retry, "Retry: %u", dpp_retry); | ||||||
| 7220 | offset += 1; | ||||||
| 7221 | } | ||||||
| 7222 | |||||||
| 7223 | /* Extract Delay */ | ||||||
| 7224 | { | ||||||
| 7225 | dpp_delay = tvb_get_uint8(tvb, offset); | ||||||
| 7226 | if (dpp_delay > 128) | ||||||
| 7227 | dpp_delay = 128 + ((dpp_delay - 128) * 32); | ||||||
| 7228 | |||||||
| 7229 | proto_tree_add_uint_format(dpp_tree, hf_2009_12_dpp_2_1_delay, tvb, offset, 1, dpp_delay, "Delay: %u seconds", dpp_delay); | ||||||
| 7230 | offset += 1; | ||||||
| 7231 | } | ||||||
| 7232 | |||||||
| 7233 | packet_data->summary = wmem_strdup_printf(wmem_file_scope(), "command seq %u, retry %u, delay %u", dpp_seq, dpp_retry, dpp_delay); | ||||||
| 7234 | } | ||||||
| 7235 | else | ||||||
| 7236 | packet_data->summary = "response"; | ||||||
| 7237 | } | ||||||
| 7238 | |||||||
| 7239 | /* Extract session information. */ | ||||||
| 7240 | if (dpp_flags & 0x80) | ||||||
| 7241 | { | ||||||
| 7242 | uint32_t sec_offset = offset; | ||||||
| 7243 | uint8_t sh_flags; | ||||||
| 7244 | uint32_t ssid; | ||||||
| 7245 | proto_tree *security_tree; | ||||||
| 7246 | proto_tree *sec_flags_tree; | ||||||
| 7247 | proto_item *item; | ||||||
| 7248 | |||||||
| 7249 | security_tree = proto_tree_add_subtree(dpp_tree, tvb, offset, -1, ett_2009_12_dpp_2_3_security, NULL((void*)0), "Security Header"); | ||||||
| 7250 | |||||||
| 7251 | sh_flags = tvb_get_uint8(tvb, offset); | ||||||
| 7252 | item = proto_tree_add_uint_format(security_tree, hf_2009_12_dpp_2_3_sec_flags, tvb, | ||||||
| 7253 | offset, 1, sh_flags, "Flags: 0x%02x", sh_flags); | ||||||
| 7254 | |||||||
| 7255 | sec_flags_tree = proto_item_add_subtree(item, ett_2009_12_dpp_2_3_sec_flags); | ||||||
| 7256 | proto_tree_add_item(sec_flags_tree, hf_2009_12_dpp_2_3_sec_flag_secure, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7257 | proto_tree_add_item(sec_flags_tree, hf_2009_12_dpp_2_3_sec_flag_rdid, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7258 | proto_tree_add_item(sec_flags_tree, hf_2009_12_dpp_2_3_sec_flag_partition, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7259 | proto_tree_add_item(sec_flags_tree, hf_2009_12_dpp_2_3_sec_flag_as, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7260 | proto_tree_add_item(sec_flags_tree, hf_2009_12_dpp_2_3_sec_flag_ssid, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7261 | offset += 1; | ||||||
| 7262 | |||||||
| 7263 | ssid = 0; | ||||||
| 7264 | if (sh_flags & DPP_V2_SEC_FLAG_S(0x01)) | ||||||
| 7265 | { | ||||||
| 7266 | int s_offset = offset; | ||||||
| 7267 | int ssid_len; | ||||||
| 7268 | proto_item *pi; | ||||||
| 7269 | offset = read_c4(tvb, offset, &ssid, &ssid_len); | ||||||
| 7270 | pi = proto_tree_add_uint_format(security_tree, hf_2009_12_dpp_2_3_sec_ssid, tvb, s_offset, offset - s_offset, ssid, "Security State Identifier: %u (0x%x)", ssid, ssid); | ||||||
| 7271 | validate_c4(pinfo, pi, ssid, ssid_len); | ||||||
| 7272 | } | ||||||
| 7273 | |||||||
| 7274 | /* At this point we know the transport information, DNP port information, and the | ||||||
| 7275 | * SSID. This means that we can isolate the session that this communication belongs | ||||||
| 7276 | * to. Note that all uses of an SSID are scoped by the transport. | ||||||
| 7277 | */ | ||||||
| 7278 | if (sh_flags & DPP_V2_SEC_FLAG_A(0x02)) | ||||||
| 7279 | ssid |= AS_ASSIGNED_SSID0x40000000; | ||||||
| 7280 | |||||||
| 7281 | if (api_data->session && !api_data->secure_session) | ||||||
| 7282 | { | ||||||
| 7283 | dof_secure_session_data *search = api_data->session->secure_sessions; | ||||||
| 7284 | while (search) | ||||||
| 7285 | { | ||||||
| 7286 | if (ssid == search->ssid) | ||||||
| 7287 | break; | ||||||
| 7288 | |||||||
| 7289 | search = search->next; | ||||||
| 7290 | } | ||||||
| 7291 | |||||||
| 7292 | if (search) | ||||||
| 7293 | { | ||||||
| 7294 | api_data->session = search->parent; | ||||||
| 7295 | api_data->secure_session = search; | ||||||
| 7296 | } | ||||||
| 7297 | } | ||||||
| 7298 | |||||||
| 7299 | if (sh_flags & DPP_V2_SEC_FLAG_D(0x08)) | ||||||
| 7300 | { | ||||||
| 7301 | int s_offset = offset; | ||||||
| 7302 | uint32_t rdid; | ||||||
| 7303 | int rdid_len; | ||||||
| 7304 | proto_item *pi; | ||||||
| 7305 | offset = read_c4(tvb, offset, &rdid, &rdid_len); | ||||||
| 7306 | pi = proto_tree_add_uint_format(security_tree, hf_2009_12_dpp_2_3_sec_rdid, tvb, s_offset, offset - s_offset, rdid, "Remote Domain Identifier: %u (0x%x)", rdid, rdid); | ||||||
| 7307 | validate_c4(pinfo, pi, rdid, rdid_len); | ||||||
| 7308 | |||||||
| 7309 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_10, tvb, pinfo, security_tree, | ||||||
| 7310 | offset, hf_2009_12_dpp_2_3_sec_remote_partition, ett_2009_12_dpp_2_3_sec_remote_partition, NULL((void*)0)); | ||||||
| 7311 | } | ||||||
| 7312 | |||||||
| 7313 | if (sh_flags & DPP_V2_SEC_FLAG_P(0x04)) | ||||||
| 7314 | { | ||||||
| 7315 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_10, tvb, pinfo, security_tree, | ||||||
| 7316 | offset, hf_2009_12_dpp_2_3_sec_partition, ett_2009_12_dpp_2_3_sec_partition, NULL((void*)0)); | ||||||
| 7317 | } | ||||||
| 7318 | |||||||
| 7319 | if (sh_flags & DPP_V2_SEC_FLAG_E(0x80)) | ||||||
| 7320 | { | ||||||
| 7321 | if (!packet_data->security_session_error && !api_data->secure_session) | ||||||
| 7322 | packet_data->security_session_error = "[Encrypted - No Session Available]"; | ||||||
| 7323 | |||||||
| 7324 | /* Security has not failed, and we have a security session. */ | ||||||
| 7325 | if (!packet_data->security_session_error) | ||||||
| 7326 | { | ||||||
| 7327 | dissector_table_t sec_header = find_dissector_table("dof.secmode"); | ||||||
| 7328 | /* TODO: CCM is hardcoded. We should try all of the sessions, which could mean multiple security modes. */ | ||||||
| 7329 | dissector_handle_t dp = dissector_get_uint_handle(sec_header, 0x6001); /* packet_data->security_session->security_mode); */ | ||||||
| 7330 | if (dp) | ||||||
| 7331 | { | ||||||
| 7332 | dof_secmode_api_data sdata; | ||||||
| 7333 | |||||||
| 7334 | sdata.context = HEADER; | ||||||
| 7335 | sdata.security_mode_offset = offset; | ||||||
| 7336 | sdata.dof_api = api_data; | ||||||
| 7337 | sdata.secure_session = api_data->secure_session; | ||||||
| 7338 | sdata.session_key_data = NULL((void*)0); | ||||||
| 7339 | |||||||
| 7340 | offset += call_dissector_only(dp, tvb, pinfo, security_tree, &sdata); | ||||||
| 7341 | } | ||||||
| 7342 | } | ||||||
| 7343 | |||||||
| 7344 | /* If we get here without success, then we can only bail. The | ||||||
| 7345 | * error is shown in every pass, including the one that found it. | ||||||
| 7346 | */ | ||||||
| 7347 | if (packet_data->security_session_error) | ||||||
| 7348 | { | ||||||
| 7349 | col_set_str(pinfo->cinfo, COL_INFO, packet_data->security_session_error); | ||||||
| 7350 | proto_item_set_end(tree, tvb, offset); | ||||||
| 7351 | expert_add_info(pinfo, security_tree, &ei_dpp_no_security_context); | ||||||
| 7352 | { | ||||||
| 7353 | tvbuff_t *data_tvb = tvb_new_subset_remaining(tvb, offset); | ||||||
| 7354 | call_data_dissector(data_tvb, pinfo, tree); | ||||||
| 7355 | } | ||||||
| 7356 | proto_item_set_len(security_tree, offset - sec_offset); | ||||||
| 7357 | return offset; | ||||||
| 7358 | } | ||||||
| 7359 | |||||||
| 7360 | if (!packet_data->decrypted_buffer) | ||||||
| 7361 | { | ||||||
| 7362 | proto_item_set_end(tree, tvb, offset); | ||||||
| 7363 | proto_item_set_len(security_tree, offset - sec_offset); | ||||||
| 7364 | return offset; | ||||||
| 7365 | } | ||||||
| 7366 | } | ||||||
| 7367 | proto_item_set_len(security_tree, offset - sec_offset); | ||||||
| 7368 | } | ||||||
| 7369 | |||||||
| 7370 | /* The end of the packet must be called in the original tvb or chaos ensues... */ | ||||||
| 7371 | proto_item_set_end(tree, tvb, offset); | ||||||
| 7372 | } | ||||||
| 7373 | |||||||
| 7374 | |||||||
| 7375 | if (packet_data->decrypted_tvb) | ||||||
| 7376 | { | ||||||
| 7377 | tvb = packet_data->decrypted_tvb; | ||||||
| 7378 | offset = packet_data->decrypted_offset; | ||||||
| 7379 | } | ||||||
| 7380 | |||||||
| 7381 | /* Assuming there is more, it must be DPP. */ | ||||||
| 7382 | /* We have a packet. We must handle the special case of this being *our* application | ||||||
| 7383 | * protocol (0x7FFF). If it is, then *we* are the dissector... | ||||||
| 7384 | */ | ||||||
| 7385 | { | ||||||
| 7386 | uint16_t app; | ||||||
| 7387 | tvbuff_t *next_tvb = tvb_new_subset_length(tvb, offset, tvb_reported_length(tvb) - offset); | ||||||
| 7388 | |||||||
| 7389 | read_c2(tvb, offset, &app, NULL((void*)0)); | ||||||
| 7390 | if (app == 0x7FFF) | ||||||
| 7391 | { | ||||||
| 7392 | offset += dissect_dpp_v2_common(next_tvb, pinfo, proto_item_get_parent(tree), data); | ||||||
| 7393 | } | ||||||
| 7394 | else | ||||||
| 7395 | { | ||||||
| 7396 | offset += dissect_app_common(next_tvb, pinfo, proto_item_get_parent(tree), data); | ||||||
| 7397 | } | ||||||
| 7398 | } | ||||||
| 7399 | } | ||||||
| 7400 | |||||||
| 7401 | col_set_fence(pinfo->cinfo, COL_PROTOCOL); | ||||||
| 7402 | col_set_fence(pinfo->cinfo, COL_INFO); | ||||||
| 7403 | return offset; | ||||||
| 7404 | } | ||||||
| 7405 | |||||||
| 7406 | static int dissect_options(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 7407 | { | ||||||
| 7408 | while (offset < (int)tvb_captured_length(tvb)) | ||||||
| 7409 | { | ||||||
| 7410 | proto_tree *subtree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_2008_1_dsp_12_option, NULL((void*)0), "Option"); | ||||||
| 7411 | tvbuff_t *next_tvb = tvb_new_subset_remaining(tvb, offset); | ||||||
| 7412 | int len = dissect_2008_1_dsp_1(next_tvb, pinfo, subtree); | ||||||
| 7413 | proto_item_set_len(proto_tree_get_parent(subtree), len); | ||||||
| 7414 | offset += len; | ||||||
| 7415 | } | ||||||
| 7416 | |||||||
| 7417 | return offset; | ||||||
| 7418 | } | ||||||
| 7419 | |||||||
| 7420 | static int dissect_dsp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 7421 | { | ||||||
| 7422 | dof_api_data *api_data = (dof_api_data *)data; | ||||||
| 7423 | dof_packet_data *packet_data; | ||||||
| 7424 | unsigned offset = 0; | ||||||
| 7425 | uint8_t opcode; | ||||||
| 7426 | uint16_t app; | ||||||
| 7427 | int app_len; | ||||||
| 7428 | proto_item *ti; | ||||||
| 7429 | proto_tree *dsp_tree; | ||||||
| 7430 | proto_tree *options_tree; | ||||||
| 7431 | |||||||
| 7432 | if (api_data == NULL((void*)0)) | ||||||
| 7433 | { | ||||||
| 7434 | /* TODO: Output error. */ | ||||||
| 7435 | return 0; | ||||||
| 7436 | } | ||||||
| 7437 | |||||||
| 7438 | packet_data = api_data->packet; | ||||||
| 7439 | if (packet_data == NULL((void*)0)) | ||||||
| 7440 | { | ||||||
| 7441 | /* TODO: Output error. */ | ||||||
| 7442 | return 0; | ||||||
| 7443 | } | ||||||
| 7444 | |||||||
| 7445 | /* Make entries in Protocol column and Info column on summary display */ | ||||||
| 7446 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "DSPv2 "); | ||||||
| 7447 | |||||||
| 7448 | /* Create the protocol tree. */ | ||||||
| 7449 | offset = 0; | ||||||
| 7450 | ti = proto_tree_add_item(tree, proto_2008_1_dsp, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 7451 | dsp_tree = proto_item_add_subtree(ti, ett_2008_1_dsp_12); | ||||||
| 7452 | |||||||
| 7453 | /* Add the APPID. */ | ||||||
| 7454 | offset = read_c2(tvb, offset, &app, &app_len); | ||||||
| 7455 | ti = proto_tree_add_uint(dsp_tree, hf_2008_1_app_version, tvb, 0, app_len, app); | ||||||
| 7456 | validate_c2(pinfo, ti, app, app_len); | ||||||
| 7457 | |||||||
| 7458 | #if 0 | ||||||
| 7459 | if (!packet->is_streaming) | ||||||
| 7460 | { | ||||||
| 7461 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "DSPv2 "); | ||||||
| 7462 | |||||||
| 7463 | if (tvb_captured_length(tvb) == offset) | ||||||
| 7464 | col_set_str(pinfo->cinfo, COL_INFO, "Query"); | ||||||
| 7465 | else | ||||||
| 7466 | { | ||||||
| 7467 | col_set_str(pinfo->cinfo, COL_INFO, "Query Response"); | ||||||
| 7468 | while (offset < tvb_captured_length(tvb)) | ||||||
| 7469 | { | ||||||
| 7470 | uint16_t app; | ||||||
| 7471 | int start = offset; | ||||||
| 7472 | offset = read_c2(tvb, offset, &app, NULL((void*)0)); | ||||||
| 7473 | proto_tree_add_uint(dsp_tree, hf_2008_1_app_version, tvb, start, offset - start, app); | ||||||
| 7474 | } | ||||||
| 7475 | } | ||||||
| 7476 | |||||||
| 7477 | return offset; | ||||||
| 7478 | } | ||||||
| 7479 | #endif | ||||||
| 7480 | |||||||
| 7481 | if (offset == tvb_captured_length(tvb)) | ||||||
| 7482 | { | ||||||
| 7483 | col_append_str(pinfo->cinfo, COL_INFO, "DSP [nop]"); | ||||||
| 7484 | expert_add_info(pinfo, dsp_tree, &ei_implicit_no_op); | ||||||
| 7485 | |||||||
| 7486 | return offset; | ||||||
| 7487 | } | ||||||
| 7488 | |||||||
| 7489 | /* Determine the ESP opcode. */ | ||||||
| 7490 | opcode = tvb_get_uint8(tvb, offset); | ||||||
| 7491 | |||||||
| 7492 | if (!packet_data->is_command) | ||||||
| 7493 | opcode |= OP_2008_1_RSP(0x80); | ||||||
| 7494 | |||||||
| 7495 | proto_tree_add_uint_format(dsp_tree, hf_2008_1_dsp_12_opcode, tvb, offset, 1, opcode, "Opcode: %s (%u)", val_to_str(pinfo->pool, opcode, strings_2008_1_dsp_opcodes, "Unknown Opcode (%d)"), opcode & 0x7F); | ||||||
| 7496 | offset += 1; | ||||||
| 7497 | col_append_sep_str(pinfo->cinfo, COL_INFO, "/", val_to_str(pinfo->pool, opcode, strings_2008_1_dsp_opcodes, "Unknown Opcode (%d)")); | ||||||
| 7498 | |||||||
| 7499 | switch (opcode) | ||||||
| 7500 | { | ||||||
| 7501 | case OP_2008_1_OPEN_CMD6: /* 2008.1 DSP.14.1 */ | ||||||
| 7502 | break; | ||||||
| 7503 | |||||||
| 7504 | case OP_2008_1_OPEN_RSP((0x80)|6): /* 2008.1 DSP.14.2 */ | ||||||
| 7505 | case OP_2008_1_OPEN_SECURE_RSP((0x80)|7): /* 2008.1 DSP.14.3 */ | ||||||
| 7506 | { | ||||||
| 7507 | while (offset < tvb_captured_length(tvb)) | ||||||
| 7508 | { | ||||||
| 7509 | uint16_t ap; | ||||||
| 7510 | int length; | ||||||
| 7511 | proto_item *pi; | ||||||
| 7512 | int start = offset; | ||||||
| 7513 | offset = read_c2(tvb, offset, &ap, &length); | ||||||
| 7514 | pi = proto_tree_add_uint(dsp_tree, hf_2008_1_app_version, tvb, start, offset - start, ap); | ||||||
| 7515 | validate_c2(pinfo, pi, ap, length); | ||||||
| 7516 | } | ||||||
| 7517 | } | ||||||
| 7518 | break; | ||||||
| 7519 | |||||||
| 7520 | case OP_2008_1_QUERY_CMD0: | ||||||
| 7521 | break; | ||||||
| 7522 | |||||||
| 7523 | case OP_2008_1_QUERY_RSP((0x80)|0): | ||||||
| 7524 | break; | ||||||
| 7525 | |||||||
| 7526 | case OP_2008_1_CONFIG_ACK((0x80)|2): | ||||||
| 7527 | break; | ||||||
| 7528 | |||||||
| 7529 | case OP_2008_1_CONFIG_REQ1: | ||||||
| 7530 | /* This will start a session if not existing... */ | ||||||
| 7531 | /* FALL THROUGH */ | ||||||
| 7532 | |||||||
| 7533 | case OP_2008_1_CONFIG_NAK((0x80)|3): | ||||||
| 7534 | { | ||||||
| 7535 | int length = tvb_captured_length(tvb) - offset; | ||||||
| 7536 | |||||||
| 7537 | options_tree = proto_tree_add_subtree_format(dsp_tree, tvb, offset, length, ett_2008_1_dsp_12_options, NULL((void*)0), | ||||||
| 7538 | "DSP Options: (%d byte%s)", length, plurality(length, "", "s")((length) == 1 ? ("") : ("s"))); | ||||||
| 7539 | offset = dissect_options(tvb, offset, pinfo, options_tree, NULL((void*)0)); | ||||||
| 7540 | } | ||||||
| 7541 | break; | ||||||
| 7542 | |||||||
| 7543 | case OP_2008_1_CONFIG_REJ((0x80)|4): | ||||||
| 7544 | /* TODO: Handle reject. */ | ||||||
| 7545 | break; | ||||||
| 7546 | |||||||
| 7547 | case OP_2008_1_TERMINATE_CMD5: | ||||||
| 7548 | case OP_2008_1_TERMINATE_RSP((0x80)|5): | ||||||
| 7549 | /* Nothing */ | ||||||
| 7550 | break; | ||||||
| 7551 | } | ||||||
| 7552 | |||||||
| 7553 | return offset; | ||||||
| 7554 | } | ||||||
| 7555 | |||||||
| 7556 | static int dissect_ccm_dsp(tvbuff_t *tvb, packet_info *pinfo _U___attribute__((unused)), proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 7557 | { | ||||||
| 7558 | /* We are handed a buffer that starts with an option and our protocol id. Any options follow that. */ | ||||||
| 7559 | unsigned offset = 0; | ||||||
| 7560 | proto_item *parent = proto_tree_get_parent(tree); | ||||||
| 7561 | uint8_t len, strength_count, i; | ||||||
| 7562 | proto_item *ti; | ||||||
| 7563 | proto_tree *ccm_tree; | ||||||
| 7564 | |||||||
| 7565 | /* Append description to the parent. */ | ||||||
| 7566 | proto_item_append_text(parent, " (CCM)"); | ||||||
| 7567 | |||||||
| 7568 | /* Compute the version and flags, masking off other bits. */ | ||||||
| 7569 | offset += 3; /* Skip the type and protocol. */ | ||||||
| 7570 | len = tvb_get_uint8(tvb, offset++); | ||||||
| 7571 | |||||||
| 7572 | ti = proto_tree_add_item(tree, hf_ccm_dsp_option, tvb, offset, len, ENC_NA0x00000000); | ||||||
| 7573 | ccm_tree = proto_item_add_subtree(ti, ett_ccm_dsp_option); | ||||||
| 7574 | |||||||
| 7575 | proto_tree_add_item_ret_uint8(ccm_tree, hf_ccm_dsp_strength_count, tvb, offset++, 1, ENC_NA0x00000000, &strength_count); | ||||||
| 7576 | |||||||
| 7577 | for (i = 0; i < strength_count; i++) | ||||||
| 7578 | proto_tree_add_item(ccm_tree, hf_ccm_dsp_strength, tvb, offset++, 1, ENC_NA0x00000000); | ||||||
| 7579 | |||||||
| 7580 | proto_tree_add_item(ccm_tree, hf_ccm_dsp_e_flag, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7581 | proto_tree_add_item(ccm_tree, hf_ccm_dsp_m_flag, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7582 | proto_tree_add_item(ccm_tree, hf_ccm_dsp_tmax, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7583 | proto_tree_add_item(ccm_tree, hf_ccm_dsp_tmin, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7584 | |||||||
| 7585 | offset += 1; | ||||||
| 7586 | return offset; | ||||||
| 7587 | } | ||||||
| 7588 | |||||||
| 7589 | /** | ||||||
| 7590 | * This is the main entry point for the CCM dissector. It is always called from an DPS | ||||||
| 7591 | * dissector, and is always passed the dof_secmode_data structure. | ||||||
| 7592 | */ | ||||||
| 7593 | static int dissect_ccm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 7594 | { | ||||||
| 7595 | dof_secmode_api_data *secmode_api_data; | ||||||
| 7596 | dof_session_key_exchange_data *key_data; | ||||||
| 7597 | |||||||
| 7598 | secmode_api_data = (dof_secmode_api_data *)data; | ||||||
| 7599 | if (secmode_api_data == NULL((void*)0)) | ||||||
| 7600 | { | ||||||
| 7601 | return 0; | ||||||
| 7602 | } | ||||||
| 7603 | |||||||
| 7604 | key_data = secmode_api_data->session_key_data; | ||||||
| 7605 | |||||||
| 7606 | /* Based on the context of the request, handle the work. */ | ||||||
| 7607 | switch (secmode_api_data->context) | ||||||
| 7608 | { | ||||||
| 7609 | case INITIALIZE: | ||||||
| 7610 | /* Parse off the initialization fields, and if necessary create the security mode state | ||||||
| 7611 | * that is being initialized. This is passed the DPS data, DPS session data, and Key Exchange Data. | ||||||
| 7612 | */ | ||||||
| 7613 | { | ||||||
| 7614 | ccm_session_data *ccm_data = (ccm_session_data *)key_data->security_mode_key_data; | ||||||
| 7615 | unsigned offset = 0; | ||||||
| 7616 | uint8_t header; | ||||||
| 7617 | uint16_t length; | ||||||
| 7618 | |||||||
| 7619 | if (!ccm_data) | ||||||
| 7620 | { | ||||||
| 7621 | /* We need to parse the initialization data. */ | ||||||
| 7622 | ccm_data = wmem_new0(wmem_file_scope(), ccm_session_data)((ccm_session_data*)wmem_alloc0((wmem_file_scope()), sizeof(ccm_session_data ))); | ||||||
| 7623 | if (!ccm_data) | ||||||
| 7624 | return 0; | ||||||
| 7625 | wmem_register_callback(wmem_file_scope(), dof_sessions_destroy_cb, ccm_data); | ||||||
| 7626 | |||||||
| 7627 | key_data->security_mode_key_data = ccm_data; | ||||||
| 7628 | |||||||
| 7629 | if (!key_data->security_mode_data || key_data->security_mode_data_length < 3) | ||||||
| 7630 | return 0; | ||||||
| 7631 | |||||||
| 7632 | /* TODO: Not sure that these are all right. */ | ||||||
| 7633 | ccm_data->protocol_id = DOF_PROTOCOL_CCM24577; | ||||||
| 7634 | ccm_data->cipher = key_data->security_mode_data[1]; | ||||||
| 7635 | ccm_data->encrypted = key_data->security_mode_data[key_data->security_mode_data_length - 1] & 0x80; | ||||||
| 7636 | ccm_data->mac_len = (key_data->security_mode_data[key_data->security_mode_data_length - 1] & 0x07) * 2 + 2; | ||||||
| 7637 | ccm_data->client_datagram_number = 0; | ||||||
| 7638 | ccm_data->server_datagram_number = 0; | ||||||
| 7639 | |||||||
| 7640 | switch (ccm_data->protocol_id) | ||||||
| 7641 | { | ||||||
| 7642 | case DOF_PROTOCOL_CCM24577: | ||||||
| 7643 | if (gcry_cipher_open(&ccm_data->cipher_data, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_ECB, 0)) { | ||||||
| 7644 | return 0; | ||||||
| 7645 | } | ||||||
| 7646 | break; | ||||||
| 7647 | |||||||
| 7648 | default: | ||||||
| 7649 | return 0; | ||||||
| 7650 | } | ||||||
| 7651 | } | ||||||
| 7652 | |||||||
| 7653 | /* A NULL buffer is used when the key is installed before any CCM header | ||||||
| 7654 | * exists (TEP accept). Treat it like a 2-node session: key the handle | ||||||
| 7655 | * already opened above and do not read the tvbuff. | ||||||
| 7656 | */ | ||||||
| 7657 | if (tvb == NULL((void*)0) || secmode_api_data->dof_api->transport_session->is_2_node) | ||||||
| 7658 | { | ||||||
| 7659 | if (!ccm_data->cipher_data || !key_data->session_key) | ||||||
| 7660 | return 0; | ||||||
| 7661 | |||||||
| 7662 | switch (ccm_data->protocol_id) | ||||||
| 7663 | { | ||||||
| 7664 | case DOF_PROTOCOL_CCM24577: | ||||||
| 7665 | if (gcry_cipher_setkey(ccm_data->cipher_data, key_data->session_key, 32)) { | ||||||
| 7666 | gcry_cipher_close(ccm_data->cipher_data); | ||||||
| 7667 | ccm_data->cipher_data = NULL((void*)0); | ||||||
| 7668 | return 0; | ||||||
| 7669 | } | ||||||
| 7670 | break; | ||||||
| 7671 | |||||||
| 7672 | default: | ||||||
| 7673 | return 0; | ||||||
| 7674 | } | ||||||
| 7675 | |||||||
| 7676 | /* This mode has a fixed size, so we can return here without parsing further. */ | ||||||
| 7677 | return 2; | ||||||
| 7678 | } | ||||||
| 7679 | |||||||
| 7680 | offset = read_c2(tvb, offset, &length, NULL((void*)0)); | ||||||
| 7681 | /* TODO validate C2 */ | ||||||
| 7682 | header = tvb_get_uint8(tvb, offset); | ||||||
| 7683 | offset += 1; | ||||||
| 7684 | |||||||
| 7685 | /* Determine the period, and store the key. */ | ||||||
| 7686 | { | ||||||
| 7687 | uint8_t period = (header & 0x70) >> 4; | ||||||
| 7688 | uint32_t lookup; | ||||||
| 7689 | ccm_period_key *existing = NULL((void*)0); | ||||||
| 7690 | ccm_period_key *ekey; | ||||||
| 7691 | |||||||
| 7692 | if (!key_data->session_key) | ||||||
| 7693 | return 0; | ||||||
| 7694 | |||||||
| 7695 | if (ccm_data->cipher_data_table == NULL((void*)0)) | ||||||
| 7696 | ccm_data->cipher_data_table = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL((void*)0), dof_cipher_data_destroy); | ||||||
| 7697 | |||||||
| 7698 | lookup = ccm_data->periods[period]; | ||||||
| 7699 | if (lookup) | ||||||
| 7700 | existing = (ccm_period_key *)g_hash_table_lookup(ccm_data->cipher_data_table, GUINT_TO_POINTER(lookup)((gpointer) (gulong) (lookup))); | ||||||
| 7701 | |||||||
| 7702 | if (!existing || memcmp(key_data->session_key, existing->key, sizeof(existing->key)) != 0) | ||||||
| 7703 | { | ||||||
| 7704 | ekey = ccm_period_key_new(key_data->session_key); | ||||||
| 7705 | if (!ekey) | ||||||
| 7706 | return 0; | ||||||
| 7707 | |||||||
| 7708 | ccm_data->period += 1; | ||||||
| 7709 | ccm_data->periods[period] = ccm_data->period; | ||||||
| 7710 | g_hash_table_insert(ccm_data->cipher_data_table, GUINT_TO_POINTER(ccm_data->period)((gpointer) (gulong) (ccm_data->period)), ekey); | ||||||
| 7711 | } | ||||||
| 7712 | } | ||||||
| 7713 | |||||||
| 7714 | return offset + length - 1; | ||||||
| 7715 | } | ||||||
| 7716 | |||||||
| 7717 | case HEADER: | ||||||
| 7718 | { | ||||||
| 7719 | ccm_session_data *session; | ||||||
| 7720 | dof_transport_session *transport_session = (dof_transport_session *)secmode_api_data->dof_api->transport_session; | ||||||
| 7721 | dof_secure_session_data *secure_session = secmode_api_data->secure_session; | ||||||
| 7722 | dof_session_key_exchange_data *security_data = NULL((void*)0); | ||||||
| 7723 | dof_packet_data *dof_packet = secmode_api_data->dof_api->packet; | ||||||
| 7724 | uint8_t ccm_flags; | ||||||
| 7725 | uint32_t nid; | ||||||
| 7726 | uint16_t slot = 0; | ||||||
| 7727 | uint32_t pn = 0; | ||||||
| 7728 | bool_Bool pn_present = false0; | ||||||
| 7729 | uint32_t tnid; | ||||||
| 7730 | uint32_t nnid; | ||||||
| 7731 | proto_tree *ccm_flags_tree; | ||||||
| 7732 | proto_tree *header_tree; | ||||||
| 7733 | proto_item * item,*header; | ||||||
| 7734 | ccm_packet_data *pdata; | ||||||
| 7735 | unsigned offset = 0; | ||||||
| 7736 | |||||||
| 7737 | if (!dof_packet->security_session) | ||||||
| 7738 | { | ||||||
| 7739 | if (transport_session->is_streaming) | ||||||
| 7740 | { | ||||||
| 7741 | /* Find the first security data that is applicable - they are in order of packet sequence. */ | ||||||
| 7742 | security_data = secure_session->session_security_data; | ||||||
| 7743 | while (security_data) | ||||||
| 7744 | { | ||||||
| 7745 | if (dof_packet->is_sent_by_initiator && (dof_packet->dof_frame > security_data->i_valid)) | ||||||
| 7746 | break; | ||||||
| 7747 | |||||||
| 7748 | if (!dof_packet->is_sent_by_initiator && (dof_packet->dof_frame > security_data->r_valid)) | ||||||
| 7749 | break; | ||||||
| 7750 | |||||||
| 7751 | security_data = security_data->next; | ||||||
| 7752 | } | ||||||
| 7753 | |||||||
| 7754 | if (security_data) | ||||||
| 7755 | dof_packet->security_session = security_data; | ||||||
| 7756 | else | ||||||
| 7757 | { | ||||||
| 7758 | dof_packet->security_session_error = "[Encrypted - No Session Available]"; | ||||||
| 7759 | return offset; | ||||||
| 7760 | } | ||||||
| 7761 | } | ||||||
| 7762 | else | ||||||
| 7763 | { | ||||||
| 7764 | dof_packet->security_session = secure_session->session_security_data; | ||||||
| 7765 | security_data = dof_packet->security_session; | ||||||
| 7766 | } | ||||||
| 7767 | } | ||||||
| 7768 | else | ||||||
| 7769 | { | ||||||
| 7770 | security_data = dof_packet->security_session; | ||||||
| 7771 | } | ||||||
| 7772 | |||||||
| 7773 | if (!security_data || !security_data->session_key || !security_data->security_mode_key_data) | ||||||
| 7774 | { | ||||||
| 7775 | dof_packet->security_session_error = "[Encrypted - No Session Available]"; | ||||||
| 7776 | return offset; | ||||||
| 7777 | } | ||||||
| 7778 | |||||||
| 7779 | session = (ccm_session_data *)security_data->security_mode_key_data; | ||||||
| 7780 | offset = secmode_api_data->security_mode_offset; | ||||||
| 7781 | |||||||
| 7782 | /* Add a master header for this protocol. */ | ||||||
| 7783 | header = proto_tree_add_protocol_format(tree, proto_ccm, tvb, offset, 0, | ||||||
| 7784 | "CCM Security Mode, Version: 1"); | ||||||
| 7785 | header_tree = proto_item_add_subtree(header, ett_header); | ||||||
| 7786 | tree = header_tree; | ||||||
| 7787 | |||||||
| 7788 | ccm_flags = tvb_get_uint8(tvb, offset); | ||||||
| 7789 | item = proto_tree_add_uint_format(tree, hf_epp_v1_ccm_flags, tvb, | ||||||
| 7790 | offset, 1, ccm_flags, "Flags: 0x%02x", ccm_flags); | ||||||
| 7791 | |||||||
| 7792 | ccm_flags_tree = proto_item_add_subtree(item, ett_epp_v1_ccm_flags); | ||||||
| 7793 | proto_tree_add_item(ccm_flags_tree, hf_epp_v1_ccm_flags_manager, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7794 | proto_tree_add_item(ccm_flags_tree, hf_epp_v1_ccm_flags_period, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7795 | proto_tree_add_item(ccm_flags_tree, hf_epp_v1_ccm_flags_target, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7796 | proto_tree_add_item(ccm_flags_tree, hf_epp_v1_ccm_flags_next_nid, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7797 | proto_tree_add_item(ccm_flags_tree, hf_epp_v1_ccm_flags_packet, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 7798 | offset += 1; | ||||||
| 7799 | |||||||
| 7800 | if (ccm_flags & 0x01) | ||||||
| 7801 | pn_present = true1; | ||||||
| 7802 | |||||||
| 7803 | pdata = (ccm_packet_data *)dof_packet->security_packet; | ||||||
| 7804 | if (!pdata) | ||||||
| 7805 | { | ||||||
| 7806 | pdata = wmem_new0(wmem_file_scope(), ccm_packet_data)((ccm_packet_data*)wmem_alloc0((wmem_file_scope()), sizeof(ccm_packet_data ))); | ||||||
| 7807 | if (pdata) | ||||||
| 7808 | { | ||||||
| 7809 | dof_packet->security_packet = pdata; | ||||||
| 7810 | |||||||
| 7811 | if (transport_session->is_2_node) | ||||||
| 7812 | { | ||||||
| 7813 | if (dof_packet->is_sent_by_initiator) | ||||||
| 7814 | { | ||||||
| 7815 | pdata->nid = 0; | ||||||
| 7816 | if (pn_present == false0) | ||||||
| 7817 | pdata->dn = ++session->client_datagram_number; | ||||||
| 7818 | else | ||||||
| 7819 | pdata->dn = pn; | ||||||
| 7820 | } | ||||||
| 7821 | else | ||||||
| 7822 | { | ||||||
| 7823 | pdata->nid = 1; | ||||||
| 7824 | if (pn_present == 0) | ||||||
| 7825 | pdata->dn = ++session->server_datagram_number; | ||||||
| 7826 | else | ||||||
| 7827 | pdata->dn = pn; | ||||||
| 7828 | } | ||||||
| 7829 | } | ||||||
| 7830 | else | ||||||
| 7831 | { | ||||||
| 7832 | uint8_t packet_period = (ccm_flags & 0x70) >> 4; | ||||||
| 7833 | pdata->period = session->periods[packet_period]; | ||||||
| 7834 | } | ||||||
| 7835 | } | ||||||
| 7836 | } | ||||||
| 7837 | |||||||
| 7838 | if (!pdata) | ||||||
| 7839 | return offset - secmode_api_data->security_mode_offset; | ||||||
| 7840 | |||||||
| 7841 | if (!secure_session->is_2_node) | ||||||
| 7842 | { | ||||||
| 7843 | int nid_len; | ||||||
| 7844 | proto_item *pi; | ||||||
| 7845 | read_c4(tvb, offset, &nid, &nid_len); | ||||||
| 7846 | /* TODO: Do this right, as offset from BNID. */ | ||||||
| 7847 | nid /= 2; | ||||||
| 7848 | pdata->nid = nid; | ||||||
| 7849 | pi = proto_tree_add_uint_format(tree, hf_epp_v1_ccm_nid, tvb, offset, nid_len, nid, "Node ID: %u", nid); | ||||||
| 7850 | validate_c4(pinfo, pi, nid, nid_len); | ||||||
| 7851 | offset += nid_len; | ||||||
| 7852 | } | ||||||
| 7853 | else | ||||||
| 7854 | { | ||||||
| 7855 | item = proto_tree_add_uint_format(tree, hf_epp_v1_ccm_nid, tvb, 0, 0, pdata->nid, "Node ID: %u", pdata->nid); | ||||||
| 7856 | proto_item_set_generated(item); | ||||||
| 7857 | } | ||||||
| 7858 | |||||||
| 7859 | if (!secure_session->is_2_node) | ||||||
| 7860 | { | ||||||
| 7861 | int slot_len; | ||||||
| 7862 | proto_item *pi; | ||||||
| 7863 | read_c2(tvb, offset, &slot, &slot_len); | ||||||
| 7864 | pi = proto_tree_add_uint_format(tree, hf_epp_v1_ccm_slot, tvb, offset, slot_len, slot, "Slot: %hu", slot); | ||||||
| 7865 | validate_c2(pinfo, pi, slot, slot_len); | ||||||
| 7866 | offset += slot_len; | ||||||
| 7867 | } | ||||||
| 7868 | else | ||||||
| 7869 | { | ||||||
| 7870 | item = proto_tree_add_uint_format(tree, hf_epp_v1_ccm_slot, tvb, 0, 0, 0, "Slot: %u", 0); | ||||||
| 7871 | proto_item_set_generated(item); | ||||||
| 7872 | } | ||||||
| 7873 | |||||||
| 7874 | if (ccm_flags & 0x01) | ||||||
| 7875 | { | ||||||
| 7876 | int pn_len; | ||||||
| 7877 | proto_item *pi; | ||||||
| 7878 | read_c4(tvb, offset, &pn, &pn_len); | ||||||
| 7879 | pi = proto_tree_add_uint_format(tree, hf_epp_v1_ccm_pn, tvb, offset, pn_len, pn, "Packet Number: %u", pn); | ||||||
| 7880 | validate_c4(pinfo, pi, pn, pn_len); | ||||||
| 7881 | pdata->dn = pn; | ||||||
| 7882 | offset += pn_len; | ||||||
| 7883 | } | ||||||
| 7884 | else | ||||||
| 7885 | { | ||||||
| 7886 | item = proto_tree_add_uint_format(tree, hf_epp_v1_ccm_pn, tvb, 0, 0, pdata->dn, "Packet Number: %u", pdata->dn); | ||||||
| 7887 | proto_item_set_generated(item); | ||||||
| 7888 | } | ||||||
| 7889 | |||||||
| 7890 | if (ccm_flags & 0x08) | ||||||
| 7891 | { | ||||||
| 7892 | int tnid_len; | ||||||
| 7893 | proto_item *pi; | ||||||
| 7894 | read_c4(tvb, offset, &tnid, &tnid_len); | ||||||
| 7895 | pi = proto_tree_add_uint_format(tree, hf_epp_v1_ccm_tnid, tvb, offset, tnid_len, tnid, "Target Node ID: %u", tnid); | ||||||
| 7896 | validate_c4(pinfo, pi, tnid, tnid_len); | ||||||
| 7897 | offset += tnid_len; | ||||||
| 7898 | } | ||||||
| 7899 | |||||||
| 7900 | if (ccm_flags & 0x02) | ||||||
| 7901 | { | ||||||
| 7902 | int nnid_len; | ||||||
| 7903 | proto_item *pi; | ||||||
| 7904 | read_c4(tvb, offset, &nnid, &nnid_len); | ||||||
| 7905 | pi = proto_tree_add_uint_format(tree, hf_epp_v1_ccm_nnid, tvb, offset, nnid_len, nnid, "Next Node ID: %u", nnid); | ||||||
| 7906 | validate_c4(pinfo, pi, nnid, nnid_len); | ||||||
| 7907 | offset += nnid_len; | ||||||
| 7908 | } | ||||||
| 7909 | |||||||
| 7910 | proto_item_set_len(header, offset - secmode_api_data->security_mode_offset); | ||||||
| 7911 | |||||||
| 7912 | if (dof_packet->decrypted_buffer_error) | ||||||
| 7913 | { | ||||||
| 7914 | col_set_str(pinfo->cinfo, COL_INFO, dof_packet->decrypted_buffer_error); | ||||||
| 7915 | expert_add_info(pinfo, tree, &ei_decode_failure); | ||||||
| 7916 | return offset - secmode_api_data->security_mode_offset; | ||||||
| 7917 | } | ||||||
| 7918 | |||||||
| 7919 | /* We have reached the encryption boundary. At this point the rest of the packet | ||||||
| 7920 | * is encrypted, and we may or may not be able to decrypt it. | ||||||
| 7921 | * | ||||||
| 7922 | * If we can decrypt it (which for now means that it uses a Session Key of [0] | ||||||
| 7923 | * the we switch to decoding the decrypted PDU. Otherwise we create an entry | ||||||
| 7924 | * for the encrypted bytes and move on... | ||||||
| 7925 | */ | ||||||
| 7926 | |||||||
| 7927 | { | ||||||
| 7928 | unsigned a_len = offset; | ||||||
| 7929 | const uint8_t *epp_buf = tvb_get_ptr(tvb, 0, offset); | ||||||
| 7930 | unsigned e_len = tvb_captured_length_remaining(tvb, offset); | ||||||
| 7931 | uint8_t *buf = (uint8_t *)tvb_memdup(pinfo->pool, tvb, offset, e_len); | ||||||
| 7932 | tvbuff_t *app; | ||||||
| 7933 | |||||||
| 7934 | /* The default nonce is a function of whether or not this is the server | ||||||
| 7935 | * or the client and the packet count. The packet count either comes from | ||||||
| 7936 | * the PDU or is a function of the previous value (of the sending node). | ||||||
| 7937 | */ | ||||||
| 7938 | uint8_t nonce[11] = { 0 }; | ||||||
| 7939 | |||||||
| 7940 | nonce[0] = (pdata->nid) >> 24; | ||||||
| 7941 | nonce[1] = (pdata->nid) >> 16; | ||||||
| 7942 | nonce[2] = (pdata->nid) >> 8; | ||||||
| 7943 | nonce[3] = (uint8_t)(pdata->nid); | ||||||
| 7944 | nonce[4] = slot >> 8; | ||||||
| 7945 | nonce[5] = (uint8_t)slot; | ||||||
| 7946 | nonce[7] = (pdata->dn) >> 24; | ||||||
| 7947 | nonce[8] = (pdata->dn) >> 16; | ||||||
| 7948 | nonce[9] = (pdata->dn) >> 8; | ||||||
| 7949 | nonce[10] = (uint8_t)(pdata->dn); | ||||||
| 7950 | |||||||
| 7951 | /* Now the hard part. We need to determine the current packet number. | ||||||
| 7952 | * This is a function of the sending node, the previous state and the | ||||||
| 7953 | * current PDU. | ||||||
| 7954 | */ | ||||||
| 7955 | |||||||
| 7956 | app = NULL((void*)0); | ||||||
| 7957 | |||||||
| 7958 | proto_item_set_end(tree, tvb, offset); | ||||||
| 7959 | if (e_len < session->mac_len) | ||||||
| 7960 | { | ||||||
| 7961 | dof_packet->decrypted_buffer_error = "[Encrypted packet - decryption failure]"; | ||||||
| 7962 | } | ||||||
| 7963 | else if (!session->encrypted) | ||||||
| 7964 | { | ||||||
| 7965 | /* There is still a MAC involved, and even though we don't need a new | ||||||
| 7966 | * buffer we need to adjust the length of the existing buffer. | ||||||
| 7967 | * The MAC is not checked. Keep a copy of the (clear) payload as the | ||||||
| 7968 | * secured buffer, so that it is dissected and seen as secured. | ||||||
| 7969 | */ | ||||||
| 7970 | unsigned plain_len = e_len - session->mac_len; | ||||||
| 7971 | |||||||
| 7972 | app = tvb_new_subset_length(tvb, offset, plain_len); | ||||||
| 7973 | if (!dof_packet->decrypted_buffer && plain_len > 0) | ||||||
| 7974 | dof_packet->decrypted_buffer = (uint8_t *)tvb_memdup(wmem_file_scope(), app, 0, plain_len); | ||||||
| 7975 | dof_packet->decrypted_tvb = app; | ||||||
| 7976 | dof_packet->decrypted_offset = 0; | ||||||
| 7977 | } | ||||||
| 7978 | else | ||||||
| 7979 | { | ||||||
| 7980 | unsigned plain_len = e_len - session->mac_len; | ||||||
| 7981 | |||||||
| 7982 | if (dof_packet->decrypted_buffer) | ||||||
| 7983 | { | ||||||
| 7984 | /* No need to decrypt, but still need to create buffer. */ | ||||||
| 7985 | app = tvb_new_real_data((const uint8_t *)dof_packet->decrypted_buffer, plain_len, plain_len); | ||||||
| 7986 | tvb_set_child_real_data_tvbuff(tvb, app); | ||||||
| 7987 | add_new_data_source(pinfo, app, "Decrypted DOF"); | ||||||
| 7988 | dof_packet->decrypted_tvb = app; | ||||||
| 7989 | dof_packet->decrypted_offset = 0; | ||||||
| 7990 | } | ||||||
| 7991 | else | ||||||
| 7992 | { | ||||||
| 7993 | if (decrypt(session, pdata, nonce, epp_buf, a_len, buf, e_len)) | ||||||
| 7994 | { | ||||||
| 7995 | /* store decrypted buffer in file scope for reuse in next pass */ | ||||||
| 7996 | uint8_t *cache = (uint8_t *)wmem_alloc0(wmem_file_scope(), plain_len); | ||||||
| 7997 | memcpy(cache, buf, plain_len); | ||||||
| 7998 | app = tvb_new_real_data(cache, plain_len, plain_len); | ||||||
| 7999 | tvb_set_child_real_data_tvbuff(tvb, app); | ||||||
| 8000 | add_new_data_source(pinfo, app, "Decrypted DOF"); | ||||||
| 8001 | dof_packet->decrypted_buffer = cache; | ||||||
| 8002 | dof_packet->decrypted_offset = 0; | ||||||
| 8003 | dof_packet->decrypted_tvb = app; | ||||||
| 8004 | } | ||||||
| 8005 | else | ||||||
| 8006 | { | ||||||
| 8007 | /* Failure to decrypt or validate the MAC. | ||||||
| 8008 | * The packet is secure, so there is nothing we can do! | ||||||
| 8009 | */ | ||||||
| 8010 | dof_packet->decrypted_buffer_error = "[Encrypted packet - decryption failure]"; | ||||||
| 8011 | } | ||||||
| 8012 | } | ||||||
| 8013 | } | ||||||
| 8014 | |||||||
| 8015 | /* Show a failure found just now as the later passes do (above). */ | ||||||
| 8016 | if (dof_packet->decrypted_buffer_error) | ||||||
| 8017 | { | ||||||
| 8018 | col_set_str(pinfo->cinfo, COL_INFO, dof_packet->decrypted_buffer_error); | ||||||
| 8019 | expert_add_info(pinfo, tree, &ei_decode_failure); | ||||||
| 8020 | } | ||||||
| 8021 | } | ||||||
| 8022 | |||||||
| 8023 | return offset - secmode_api_data->security_mode_offset; | ||||||
| 8024 | } | ||||||
| 8025 | break; | ||||||
| 8026 | |||||||
| 8027 | case TRAILER: | ||||||
| 8028 | /* TODO check this case */ | ||||||
| 8029 | break; | ||||||
| 8030 | |||||||
| 8031 | } | ||||||
| 8032 | |||||||
| 8033 | return 0; | ||||||
| 8034 | } | ||||||
| 8035 | |||||||
| 8036 | static int dissect_ccm_app(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 8037 | { | ||||||
| 8038 | unsigned offset = 0; | ||||||
| 8039 | uint8_t opcode = 0; | ||||||
| 8040 | uint16_t app; | ||||||
| 8041 | int app_len; | ||||||
| 8042 | |||||||
| 8043 | proto_item *ti; | ||||||
| 8044 | proto_tree *ccm_tree; | ||||||
| 8045 | |||||||
| 8046 | /* Make entries in Protocol column and Info column on summary display */ | ||||||
| 8047 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "CCM "); | ||||||
| 8048 | |||||||
| 8049 | /* Create the protocol tree. */ | ||||||
| 8050 | offset = 0; | ||||||
| 8051 | ti = proto_tree_add_item(tree, proto_ccm_app, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 8052 | ccm_tree = proto_item_add_subtree(ti, ett_ccm); | ||||||
| 8053 | |||||||
| 8054 | /* Add the APPID. */ | ||||||
| 8055 | offset = read_c2(tvb, offset, &app, &app_len); | ||||||
| 8056 | ti = proto_tree_add_uint(ccm_tree, hf_2008_1_app_version, tvb, 0, app_len, app); | ||||||
| 8057 | validate_c2(pinfo, ti, app, app_len); | ||||||
| 8058 | |||||||
| 8059 | /* Retrieve the opcode. */ | ||||||
| 8060 | opcode = tvb_get_uint8(tvb, offset); | ||||||
| 8061 | |||||||
| 8062 | col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(pinfo->pool, opcode, ccm_opcode_strings, "Unknown Opcode (%d)")); | ||||||
| 8063 | |||||||
| 8064 | if (tree) | ||||||
| 8065 | { | ||||||
| 8066 | /* Opcode */ | ||||||
| 8067 | proto_tree_add_item(ccm_tree, hf_ccm_opcode, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 8068 | #if 0 /* this needs completion */ | ||||||
| 8069 | offset += 1; | ||||||
| 8070 | |||||||
| 8071 | switch (opcode) | ||||||
| 8072 | { | ||||||
| 8073 | case CCM_PDU_PROBE(0): | ||||||
| 8074 | { | ||||||
| 8075 | } | ||||||
| 8076 | break; | ||||||
| 8077 | |||||||
| 8078 | } | ||||||
| 8079 | #endif | ||||||
| 8080 | } | ||||||
| 8081 | |||||||
| 8082 | return 1; | ||||||
| 8083 | } | ||||||
| 8084 | |||||||
| 8085 | #if 0 /* TODO not used yet */ | ||||||
| 8086 | static int dissect_ccm_validate(tvbuff_t *tvb, packet_info *pinfo _U___attribute__((unused)), proto_tree *tree, void *data) | ||||||
| 8087 | { | ||||||
| 8088 | dof_api_data *api_data = (dof_api_data *)data; | ||||||
| 8089 | dof_packet_data *packet; | ||||||
| 8090 | ccm_session_data *session; | ||||||
| 8091 | int offset; | ||||||
| 8092 | uint8_t ccm_flags; | ||||||
| 8093 | uint32_t nid; | ||||||
| 8094 | uint16_t slot; | ||||||
| 8095 | uint32_t pn; | ||||||
| 8096 | uint32_t tnid; | ||||||
| 8097 | |||||||
| 8098 | if (api_data == NULL((void*)0)) | ||||||
| 8099 | { | ||||||
| 8100 | fprintf(stderrstderr, "api_data is NULL."); | ||||||
| 8101 | return 0; | ||||||
| 8102 | } | ||||||
| 8103 | |||||||
| 8104 | packet = api_data->packet; | ||||||
| 8105 | if (packet == NULL((void*)0)) | ||||||
| 8106 | { | ||||||
| 8107 | fprintf(stderrstderr, "api_data->packet is NULL."); | ||||||
| 8108 | return 0; | ||||||
| 8109 | } | ||||||
| 8110 | |||||||
| 8111 | if (!packet->security_session) | ||||||
| 8112 | { | ||||||
| 8113 | fprintf(stderrstderr, "packet->security_session is NULL"); | ||||||
| 8114 | return 0; | ||||||
| 8115 | } | ||||||
| 8116 | |||||||
| 8117 | if (packet->security_session->security_mode != DOF_PROTOCOL_CCM24577) | ||||||
| 8118 | { | ||||||
| 8119 | fprintf(stderrstderr, "packet->security_session->security_mode != DOF_PROTOCOL_CCM"); | ||||||
| 8120 | return 0; | ||||||
| 8121 | } | ||||||
| 8122 | |||||||
| 8123 | session = (ccm_session_data *)packet->security_session->security_mode_key_data; | ||||||
| 8124 | |||||||
| 8125 | /* The buffer we have been passed includes the entire EPP frame. The packet | ||||||
| 8126 | * structure gives us the offset to our header. | ||||||
| 8127 | */ | ||||||
| 8128 | offset = 0; | ||||||
| 8129 | |||||||
| 8130 | ccm_flags = tvb_get_uint8(tvb, offset); | ||||||
| 8131 | offset += 1; | ||||||
| 8132 | |||||||
| 8133 | /* TODO validate the C2 and C4 fields below? */ | ||||||
| 8134 | if (ccm_flags & 0x04) | ||||||
| 8135 | offset = read_c4(tvb, offset, &nid, NULL((void*)0)); | ||||||
| 8136 | |||||||
| 8137 | if (ccm_flags & 0x02) | ||||||
| 8138 | offset = read_c2(tvb, offset, &slot, NULL((void*)0)); | ||||||
| 8139 | |||||||
| 8140 | if (ccm_flags & 0x01) | ||||||
| 8141 | offset = read_c4(tvb, offset, &pn, NULL((void*)0)); | ||||||
| 8142 | |||||||
| 8143 | if (ccm_flags & 0x08) | ||||||
| 8144 | offset = read_c4(tvb, offset, &tnid, NULL((void*)0)); | ||||||
| 8145 | |||||||
| 8146 | |||||||
| 8147 | /* We have reached the encryption boundary. At this point the rest of the packet | ||||||
| 8148 | * is encrypted, and we may or may not be able to decrypt it. | ||||||
| 8149 | * | ||||||
| 8150 | * If we can decrypt it (which for now means that it uses a Session Key of [0] | ||||||
| 8151 | * the we switch to decoding the decrypted PDU. Otherwise we create an entry | ||||||
| 8152 | * for the encrypted bytes and move on... | ||||||
| 8153 | */ | ||||||
| 8154 | |||||||
| 8155 | { | ||||||
| 8156 | unsigned a_len = offset; | ||||||
| 8157 | const uint8_t *epp_buf = tvb_get_ptr(tvb, 0, offset); | ||||||
| 8158 | unsigned e_len = tvb_captured_length_remaining(tvb, offset); | ||||||
| 8159 | uint16_t e_off; | ||||||
| 8160 | uint8_t *buf = (uint8_t *)g_malloc(e_len); | ||||||
| 8161 | |||||||
| 8162 | /* The default nonce is a function of whether or not this is the server | ||||||
| 8163 | * or the client and the packet count. The packet count either comes from | ||||||
| 8164 | * the PDU or is a function of the previous value (of the sending node). | ||||||
| 8165 | */ | ||||||
| 8166 | uint8_t nonce[] = { 0x00, 0x00, 0x00, 0x01, | ||||||
| 8167 | 0x00, 0x00, | ||||||
| 8168 | 0x00, | ||||||
| 8169 | 0x00, 0x00, 0x00, 0x00 }; | ||||||
| 8170 | |||||||
| 8171 | nonce[0] = nid >> 24; | ||||||
| 8172 | nonce[1] = nid >> 16; | ||||||
| 8173 | nonce[2] = nid >> 8; | ||||||
| 8174 | nonce[3] = (uint8_t)nid; | ||||||
| 8175 | nonce[4] = slot >> 8; | ||||||
| 8176 | nonce[5] = (uint8_t)slot; | ||||||
| 8177 | nonce[7] = pn >> 24; | ||||||
| 8178 | nonce[8] = pn >> 16; | ||||||
| 8179 | nonce[9] = pn >> 8; | ||||||
| 8180 | nonce[10] = (uint8_t)pn; | ||||||
| 8181 | |||||||
| 8182 | /* Now the hard part. We need to determine the current packet number. | ||||||
| 8183 | * This is a function of the sending node, the previous state and the | ||||||
| 8184 | * current PDU. | ||||||
| 8185 | */ | ||||||
| 8186 | for (e_off = 0; e_off < e_len; e_off++) | ||||||
| 8187 | buf[e_off] = tvb_get_uint8(tvb, offset + e_off); | ||||||
| 8188 | |||||||
| 8189 | /* TODO: This is hardcoded for a 4-byte MAC */ | ||||||
| 8190 | |||||||
| 8191 | proto_item_set_end(tree, tvb, offset); | ||||||
| 8192 | if (decrypt(session, (ccm_packet_data *)packet->security_packet, nonce, epp_buf, a_len, buf, e_len)) | ||||||
| 8193 | { | ||||||
| 8194 | g_free(buf)(__builtin_object_size ((buf), 0) != ((size_t) - 1)) ? g_free_sized (buf, __builtin_object_size ((buf), 0)) : (g_free) (buf); | ||||||
| 8195 | return 1; | ||||||
| 8196 | } | ||||||
| 8197 | else | ||||||
| 8198 | { | ||||||
| 8199 | /* Failure to decrypt or validate the MAC. | ||||||
| 8200 | * The packet is secure, so there is nothing we can do! | ||||||
| 8201 | */ | ||||||
| 8202 | g_free(buf)(__builtin_object_size ((buf), 0) != ((size_t) - 1)) ? g_free_sized (buf, __builtin_object_size ((buf), 0)) : (g_free) (buf); | ||||||
| 8203 | return 1; | ||||||
| 8204 | } | ||||||
| 8205 | } | ||||||
| 8206 | } | ||||||
| 8207 | #endif | ||||||
| 8208 | |||||||
| 8209 | static int dissect_oap_dsp(tvbuff_t *tvb, packet_info *pinfo _U___attribute__((unused)), proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 8210 | { | ||||||
| 8211 | /* We are handed a buffer that starts with our protocol id. Any options follow that. */ | ||||||
| 8212 | unsigned offset = 0; | ||||||
| 8213 | |||||||
| 8214 | /* We don't care except for the treeview. */ | ||||||
| 8215 | if (!tree) | ||||||
| 8216 | return 0; | ||||||
| 8217 | |||||||
| 8218 | /* Compute the version and flags, masking off other bits. */ | ||||||
| 8219 | offset += 4; /* Skip the type and protocol. */ | ||||||
| 8220 | |||||||
| 8221 | proto_tree_add_item(tree, hf_oap_1_dsp_option, tvb, 0, -1, ENC_NA0x00000000); | ||||||
| 8222 | return offset; | ||||||
| 8223 | } | ||||||
| 8224 | |||||||
| 8225 | static int dissect_oap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 8226 | { | ||||||
| 8227 | dof_api_data *api_data = (dof_api_data *)data; | ||||||
| 8228 | dof_packet_data *packet_data; | ||||||
| 8229 | |||||||
| 8230 | unsigned offset = 0; | ||||||
| 8231 | uint8_t opcode = 0; | ||||||
| 8232 | uint8_t flags = 0; | ||||||
| 8233 | uint16_t item_id = 0; | ||||||
| 8234 | uint16_t app; | ||||||
| 8235 | int app_len; | ||||||
| 8236 | |||||||
| 8237 | oap_1_packet_data *oap_packet = NULL((void*)0); | ||||||
| 8238 | |||||||
| 8239 | proto_item *ti; | ||||||
| 8240 | proto_tree *oap_tree; | ||||||
| 8241 | |||||||
| 8242 | if (api_data == NULL((void*)0)) | ||||||
| 8243 | { | ||||||
| 8244 | return 0; | ||||||
| 8245 | } | ||||||
| 8246 | |||||||
| 8247 | packet_data = api_data->packet; | ||||||
| 8248 | if (packet_data == NULL((void*)0)) | ||||||
| 8249 | { | ||||||
| 8250 | return 0; | ||||||
| 8251 | } | ||||||
| 8252 | |||||||
| 8253 | |||||||
| 8254 | /* Make entries in Protocol column and Info column on summary display */ | ||||||
| 8255 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "OAPv1 "); | ||||||
| 8256 | |||||||
| 8257 | /* Create the protocol tree. */ | ||||||
| 8258 | offset = 0; | ||||||
| 8259 | ti = proto_tree_add_item(tree, proto_oap_1, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 8260 | oap_tree = proto_item_add_subtree(ti, ett_oap_1); | ||||||
| 8261 | |||||||
| 8262 | /* Add the APPID. */ | ||||||
| 8263 | offset = read_c2(tvb, offset, &app, &app_len); | ||||||
| 8264 | ti = proto_tree_add_uint(oap_tree, hf_2008_1_app_version, tvb, 0, app_len, app); | ||||||
| 8265 | validate_c2(pinfo, ti, app, app_len); | ||||||
| 8266 | |||||||
| 8267 | if ((unsigned)app_len == tvb_captured_length(tvb)) | ||||||
| 8268 | { | ||||||
| 8269 | col_append_str(pinfo->cinfo, COL_INFO, "OAP [nop]"); | ||||||
| 8270 | expert_add_info(pinfo, oap_tree, &ei_implicit_no_op); | ||||||
| 8271 | |||||||
| 8272 | return app_len; | ||||||
| 8273 | } | ||||||
| 8274 | |||||||
| 8275 | oap_packet = (oap_1_packet_data *)dof_packet_get_proto_data(packet_data, proto_oap_1); | ||||||
| 8276 | if (!oap_packet) | ||||||
| 8277 | { | ||||||
| 8278 | oap_packet = wmem_new0(wmem_file_scope(), oap_1_packet_data)((oap_1_packet_data*)wmem_alloc0((wmem_file_scope()), sizeof( oap_1_packet_data))); | ||||||
| 8279 | dof_packet_add_proto_data(packet_data, proto_oap_1, oap_packet); | ||||||
| 8280 | } | ||||||
| 8281 | |||||||
| 8282 | /* Compute the version and flags, masking off other bits. */ | ||||||
| 8283 | opcode = tvb_get_uint8(tvb, offset) & 0x1F; | ||||||
| 8284 | if (!packet_data->is_command) | ||||||
| 8285 | opcode |= OAP_1_RESPONSE(0x80); | ||||||
| 8286 | |||||||
| 8287 | flags = tvb_get_uint8(tvb, offset) & 0xE0; | ||||||
| 8288 | |||||||
| 8289 | col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(pinfo->pool, opcode, oap_opcode_strings, "Unknown Opcode (%d)")); | ||||||
| 8290 | |||||||
| 8291 | |||||||
| 8292 | /* Opcode */ | ||||||
| 8293 | { | ||||||
| 8294 | uint8_t mask = 0x10; | ||||||
| 8295 | char str[20]; | ||||||
| 8296 | uint8_t no_of_bits = 5; | ||||||
| 8297 | uint8_t i; | ||||||
| 8298 | uint8_t bit = 3; | ||||||
| 8299 | (void) g_strlcpy(str, "...", 20); | ||||||
| 8300 | |||||||
| 8301 | /* read the bits for the int */ | ||||||
| 8302 | for (i = 0; i < no_of_bits; i++) | ||||||
| 8303 | { | ||||||
| 8304 | if (bit && (!(bit % 4))) | ||||||
| 8305 | (void) g_strlcat(str, " ", 20); | ||||||
| 8306 | |||||||
| 8307 | bit++; | ||||||
| 8308 | |||||||
| 8309 | if (opcode & mask) | ||||||
| 8310 | (void) g_strlcat(str, "1", 20); | ||||||
| 8311 | else | ||||||
| 8312 | (void) g_strlcat(str, "0", 20); | ||||||
| 8313 | |||||||
| 8314 | mask = mask >> 1; | ||||||
| 8315 | } | ||||||
| 8316 | |||||||
| 8317 | proto_tree_add_uint_format(oap_tree, hf_oap_1_opcode, tvb, offset, 1, opcode & 0x1F, "%s = Opcode: %s (%u)", str, val_to_str(pinfo->pool, opcode, oap_opcode_strings, "Unknown Opcode (%d)"), opcode & 0x1F); | ||||||
| 8318 | } | ||||||
| 8319 | |||||||
| 8320 | |||||||
| 8321 | /* Flags, based on opcode. | ||||||
| 8322 | * Each opcode needs to define the flags, however, the fall into major categories... | ||||||
| 8323 | */ | ||||||
| 8324 | switch (opcode) | ||||||
| 8325 | { | ||||||
| 8326 | /* Both alias and a flag that equals command control. */ | ||||||
| 8327 | case OAP_1_CMD_ACTIVATE28: | ||||||
| 8328 | case OAP_1_CMD_CONNECT4: | ||||||
| 8329 | case OAP_1_CMD_FULL_CONNECT3: | ||||||
| 8330 | case OAP_1_CMD_GET10: | ||||||
| 8331 | case OAP_1_CMD_INVOKE12: | ||||||
| 8332 | case OAP_1_CMD_REGISTER25: | ||||||
| 8333 | case OAP_1_CMD_SET20: | ||||||
| 8334 | case OAP_1_CMD_SUBSCRIBE24: | ||||||
| 8335 | case OAP_1_CMD_WATCH30: | ||||||
| 8336 | proto_tree_add_item(oap_tree, hf_oap_1_alias_size, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 8337 | proto_tree_add_item(oap_tree, hf_oap_1_flags, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 8338 | if (flags & 0x20) | ||||||
| 8339 | { | ||||||
| 8340 | offset += 1; | ||||||
| 8341 | offset = oap_1_tree_add_cmdcontrol(pinfo, oap_tree, tvb, offset); | ||||||
| 8342 | } | ||||||
| 8343 | else | ||||||
| 8344 | offset += 1; | ||||||
| 8345 | |||||||
| 8346 | break; | ||||||
| 8347 | |||||||
| 8348 | /* No alias, but flags for command control. */ | ||||||
| 8349 | case OAP_1_CMD_ADVERTISE5: | ||||||
| 8350 | /* TODO: Expert info on top two bits.*/ | ||||||
| 8351 | proto_tree_add_item(oap_tree, hf_oap_1_flags, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 8352 | if (flags & 0x20) | ||||||
| 8353 | { | ||||||
| 8354 | offset += 1; | ||||||
| 8355 | offset = oap_1_tree_add_cmdcontrol(pinfo, oap_tree, tvb, offset); | ||||||
| 8356 | } | ||||||
| 8357 | else | ||||||
| 8358 | offset += 1; | ||||||
| 8359 | |||||||
| 8360 | break; | ||||||
| 8361 | |||||||
| 8362 | /* No alias, but flag for provider. */ | ||||||
| 8363 | case OAP_1_RSP_GET(10|(0x80)): | ||||||
| 8364 | case OAP_1_RSP_INVOKE(12|(0x80)): | ||||||
| 8365 | case OAP_1_RSP_REGISTER(25|(0x80)): | ||||||
| 8366 | case OAP_1_RSP_SET(20|(0x80)): | ||||||
| 8367 | case OAP_1_RSP_SUBSCRIBE(24|(0x80)): | ||||||
| 8368 | /* TODO: Expert info on top two bits.*/ | ||||||
| 8369 | proto_tree_add_item(oap_tree, hf_oap_1_flags, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 8370 | if (flags & 0x20) | ||||||
| 8371 | { | ||||||
| 8372 | offset += 1; | ||||||
| 8373 | offset = dof_dissect_pdu_as_field(dissect_2009_11_type_4, tvb, pinfo, oap_tree, | ||||||
| 8374 | offset, hf_oap_1_providerid, ett_oap_1_1_providerid, NULL((void*)0)); | ||||||
| 8375 | } | ||||||
| 8376 | else | ||||||
| 8377 | offset += 1; | ||||||
| 8378 | if ((opcode == OAP_1_RSP_GET(10|(0x80))) || (opcode == OAP_1_RSP_INVOKE(12|(0x80)))) | ||||||
| 8379 | { | ||||||
| 8380 | /* The value list can be empty */ | ||||||
| 8381 | if (tvb_reported_length_remaining(tvb, offset) > 0) | ||||||
| 8382 | { | ||||||
| 8383 | proto_tree_add_item(oap_tree, hf_oap_1_value_list, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 8384 | offset += tvb_reported_length_remaining(tvb, offset); | ||||||
| 8385 | } | ||||||
| 8386 | } | ||||||
| 8387 | |||||||
| 8388 | break; | ||||||
| 8389 | |||||||
| 8390 | /* Alias, but no flags. */ | ||||||
| 8391 | case OAP_1_CMD_CHANGE2: | ||||||
| 8392 | case OAP_1_CMD_OPEN14: | ||||||
| 8393 | case OAP_1_CMD_PROVIDE16: | ||||||
| 8394 | case OAP_1_CMD_SIGNAL22: | ||||||
| 8395 | proto_tree_add_item(oap_tree, hf_oap_1_alias_size, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 8396 | offset += 1; | ||||||
| 8397 | break; | ||||||
| 8398 | |||||||
| 8399 | /* Special flags. */ | ||||||
| 8400 | case OAP_1_RSP_EXCEPTION(9|(0x80)): | ||||||
| 8401 | proto_tree_add_item(oap_tree, hf_oap_1_exception_internal_flag, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 8402 | proto_tree_add_item(oap_tree, hf_oap_1_exception_final_flag, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 8403 | proto_tree_add_item(oap_tree, hf_oap_1_exception_provider_flag, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 8404 | offset += 1; | ||||||
| 8405 | break; | ||||||
| 8406 | |||||||
| 8407 | /* No flags. */ | ||||||
| 8408 | case OAP_1_CMD_DEFINE6: | ||||||
| 8409 | case OAP_1_RSP_DEFINE(6|(0x80)): | ||||||
| 8410 | case OAP_1_RSP_OPEN(14|(0x80)): | ||||||
| 8411 | /* TODO: Non-zero not allowed.*/ | ||||||
| 8412 | offset += 1; | ||||||
| 8413 | break; | ||||||
| 8414 | |||||||
| 8415 | default: | ||||||
| 8416 | /* TODO: Illegal opcode.*/ | ||||||
| 8417 | return offset; | ||||||
| 8418 | } | ||||||
| 8419 | |||||||
| 8420 | /* Parse off arguments based on opcodes. */ | ||||||
| 8421 | switch (opcode) | ||||||
| 8422 | { | ||||||
| 8423 | case OAP_1_CMD_SUBSCRIBE24: | ||||||
| 8424 | { | ||||||
| 8425 | uint8_t alias_len = (flags & 0xC0) >> 6; | ||||||
| 8426 | if (alias_len == 3) | ||||||
| 8427 | alias_len = 4; | ||||||
| 8428 | |||||||
| 8429 | /* The item identifier comes first, but it is compressed. */ | ||||||
| 8430 | { | ||||||
| 8431 | int item_id_len; | ||||||
| 8432 | proto_item *pi; | ||||||
| 8433 | |||||||
| 8434 | read_c2(tvb, offset, &item_id, &item_id_len); | ||||||
| 8435 | pi = proto_tree_add_uint_format(oap_tree, hf_oap_1_itemid, tvb, offset, item_id_len, item_id, "Item ID: %u", item_id); | ||||||
| 8436 | validate_c2(pinfo, pi, item_id, item_id_len); | ||||||
| 8437 | offset += item_id_len; | ||||||
| 8438 | } | ||||||
| 8439 | |||||||
| 8440 | if (alias_len > 0) | ||||||
| 8441 | { | ||||||
| 8442 | if (api_data->session == NULL((void*)0)) | ||||||
| 8443 | { | ||||||
| 8444 | expert_add_info(pinfo, ti, &ei_oap_no_session); | ||||||
| 8445 | return offset; | ||||||
| 8446 | } | ||||||
| 8447 | offset = oap_1_tree_add_alias(api_data, oap_packet, packet_data, oap_tree, tvb, pinfo, offset, alias_len, true1); | ||||||
| 8448 | } | ||||||
| 8449 | else | ||||||
| 8450 | offset = oap_1_tree_add_binding(oap_tree, pinfo, tvb, offset); | ||||||
| 8451 | |||||||
| 8452 | /* Read the minimum delta. */ | ||||||
| 8453 | { | ||||||
| 8454 | int delta_len; | ||||||
| 8455 | uint16_t delta; | ||||||
| 8456 | proto_item *pi; | ||||||
| 8457 | |||||||
| 8458 | read_c2(tvb, offset, &delta, &delta_len); | ||||||
| 8459 | pi = proto_tree_add_uint_format(oap_tree, hf_oap_1_subscription_delta, tvb, offset, delta_len, delta, "Minimum Delta: %u", delta); | ||||||
| 8460 | validate_c2(pinfo, pi, delta, delta_len); | ||||||
| 8461 | offset += delta_len; | ||||||
| 8462 | } | ||||||
| 8463 | } | ||||||
| 8464 | break; | ||||||
| 8465 | |||||||
| 8466 | case OAP_1_CMD_REGISTER25: | ||||||
| 8467 | { | ||||||
| 8468 | uint8_t alias_len = (flags & 0xC0) >> 6; | ||||||
| 8469 | if (alias_len == 3) | ||||||
| 8470 | alias_len = 4; | ||||||
| 8471 | |||||||
| 8472 | /* The item identifier comes first, but it is compressed. */ | ||||||
| 8473 | { | ||||||
| 8474 | int item_id_len; | ||||||
| 8475 | proto_item *pi; | ||||||
| 8476 | |||||||
| 8477 | read_c2(tvb, offset, &item_id, &item_id_len); | ||||||
| 8478 | pi = proto_tree_add_uint_format(oap_tree, hf_oap_1_itemid, tvb, offset, item_id_len, item_id, "Item ID: %u", item_id); | ||||||
| 8479 | validate_c2(pinfo, pi, item_id, item_id_len); | ||||||
| 8480 | offset += item_id_len; | ||||||
| 8481 | } | ||||||
| 8482 | |||||||
| 8483 | if (alias_len > 0) | ||||||
| 8484 | { | ||||||
| 8485 | if (api_data->session == NULL((void*)0)) | ||||||
| 8486 | { | ||||||
| 8487 | expert_add_info(pinfo, ti, &ei_oap_no_session); | ||||||
| 8488 | return offset; | ||||||
| 8489 | } | ||||||
| 8490 | offset = oap_1_tree_add_alias(api_data, oap_packet, packet_data, oap_tree, tvb, pinfo, offset, alias_len, true1); | ||||||
| 8491 | } | ||||||
| 8492 | else | ||||||
| 8493 | offset = oap_1_tree_add_binding(oap_tree, pinfo, tvb, offset); | ||||||
| 8494 | } | ||||||
| 8495 | break; | ||||||
| 8496 | |||||||
| 8497 | case OAP_1_RSP_REGISTER(25|(0x80)): | ||||||
| 8498 | { | ||||||
| 8499 | if (flags & 0x20) | ||||||
| 8500 | { | ||||||
| 8501 | /* offset = add_oid( tvb, offset, NULL, oap_tree ); */ | ||||||
| 8502 | } | ||||||
| 8503 | |||||||
| 8504 | /* Sequence is next. */ | ||||||
| 8505 | proto_tree_add_item(oap_tree, hf_oap_1_update_sequence, tvb, offset, 2, ENC_BIG_ENDIAN0x00000000); | ||||||
| 8506 | offset += 2; | ||||||
| 8507 | } | ||||||
| 8508 | break; | ||||||
| 8509 | |||||||
| 8510 | case OAP_1_CMD_WATCH30: | ||||||
| 8511 | case OAP_1_CMD_ACTIVATE28: | ||||||
| 8512 | case OAP_1_CMD_CONNECT4: | ||||||
| 8513 | case OAP_1_CMD_FULL_CONNECT3: | ||||||
| 8514 | { | ||||||
| 8515 | uint8_t alias_len = (flags & 0xC0) >> 6; | ||||||
| 8516 | if (alias_len == 3) | ||||||
| 8517 | alias_len = 4; | ||||||
| 8518 | |||||||
| 8519 | if (alias_len > 0) | ||||||
| 8520 | { | ||||||
| 8521 | if (api_data->session == NULL((void*)0)) | ||||||
| 8522 | { | ||||||
| 8523 | expert_add_info(pinfo, ti, &ei_oap_no_session); | ||||||
| 8524 | return offset; | ||||||
| 8525 | } | ||||||
| 8526 | offset = oap_1_tree_add_alias(api_data, oap_packet, packet_data, oap_tree, tvb, pinfo, offset, alias_len, true1); | ||||||
| 8527 | } | ||||||
| 8528 | else | ||||||
| 8529 | offset = oap_1_tree_add_binding(oap_tree, pinfo, tvb, offset); | ||||||
| 8530 | } | ||||||
| 8531 | break; | ||||||
| 8532 | |||||||
| 8533 | case OAP_1_CMD_ADVERTISE5: | ||||||
| 8534 | offset = oap_1_tree_add_binding(oap_tree, pinfo, tvb, offset); | ||||||
| 8535 | break; | ||||||
| 8536 | |||||||
| 8537 | case OAP_1_CMD_GET10: | ||||||
| 8538 | case OAP_1_CMD_INVOKE12: | ||||||
| 8539 | case OAP_1_CMD_SET20: | ||||||
| 8540 | { | ||||||
| 8541 | uint8_t alias_len = (flags & 0xC0) >> 6; | ||||||
| 8542 | if (alias_len == 3) | ||||||
| 8543 | alias_len = 4; | ||||||
| 8544 | |||||||
| 8545 | /* The item identifier comes first, but it is compressed. */ | ||||||
| 8546 | { | ||||||
| 8547 | int item_id_len; | ||||||
| 8548 | proto_item *pi; | ||||||
| 8549 | |||||||
| 8550 | read_c2(tvb, offset, &item_id, &item_id_len); | ||||||
| 8551 | pi = proto_tree_add_uint_format(oap_tree, hf_oap_1_itemid, tvb, offset, item_id_len, item_id, "Item ID: %u", item_id); | ||||||
| 8552 | validate_c2(pinfo, pi, item_id, item_id_len); | ||||||
| 8553 | offset += item_id_len; | ||||||
| 8554 | } | ||||||
| 8555 | |||||||
| 8556 | if (alias_len > 0) | ||||||
| 8557 | { | ||||||
| 8558 | if (api_data->session == NULL((void*)0)) | ||||||
| 8559 | { | ||||||
| 8560 | expert_add_info(pinfo, ti, &ei_oap_no_session); | ||||||
| 8561 | return offset; | ||||||
| 8562 | } | ||||||
| 8563 | offset = oap_1_tree_add_alias(api_data, oap_packet, packet_data, oap_tree, tvb, pinfo, offset, alias_len, true1); | ||||||
| 8564 | } | ||||||
| 8565 | else | ||||||
| 8566 | offset = oap_1_tree_add_binding(oap_tree, pinfo, tvb, offset); | ||||||
| 8567 | |||||||
| 8568 | if ((opcode == OAP_1_CMD_SET20) || (opcode == OAP_1_CMD_INVOKE12)) | ||||||
| 8569 | { | ||||||
| 8570 | /* The value list can be empty */ | ||||||
| 8571 | if (tvb_reported_length_remaining(tvb, offset) > 0) | ||||||
| 8572 | { | ||||||
| 8573 | proto_tree_add_item(oap_tree, hf_oap_1_value_list, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 8574 | offset += tvb_reported_length_remaining(tvb, offset); | ||||||
| 8575 | } | ||||||
| 8576 | } | ||||||
| 8577 | } | ||||||
| 8578 | break; | ||||||
| 8579 | |||||||
| 8580 | case OAP_1_CMD_OPEN14: | ||||||
| 8581 | { | ||||||
| 8582 | uint8_t alias_len = (flags & 0xC0) >> 6; | ||||||
| 8583 | if (alias_len == 3) | ||||||
| 8584 | alias_len = 4; | ||||||
| 8585 | |||||||
| 8586 | if (alias_len > 0) | ||||||
| 8587 | { | ||||||
| 8588 | if (api_data->session == NULL((void*)0)) | ||||||
| 8589 | { | ||||||
| 8590 | expert_add_info(pinfo, ti, &ei_oap_no_session); | ||||||
| 8591 | return offset; | ||||||
| 8592 | } | ||||||
| 8593 | offset = oap_1_tree_add_alias(api_data, oap_packet, packet_data, oap_tree, tvb, pinfo, offset, alias_len, true1); | ||||||
| 8594 | } | ||||||
| 8595 | else | ||||||
| 8596 | offset = oap_1_tree_add_binding(oap_tree, pinfo, tvb, offset); | ||||||
| 8597 | |||||||
| 8598 | offset = oap_1_tree_add_interface(oap_tree, tvb, offset); | ||||||
| 8599 | |||||||
| 8600 | offset = dof_dissect_pdu_as_field(dissect_2009_11_type_4, tvb, pinfo, oap_tree, | ||||||
| 8601 | offset, hf_oap_1_objectid, ett_oap_1_objectid, NULL((void*)0)); | ||||||
| 8602 | } | ||||||
| 8603 | break; | ||||||
| 8604 | |||||||
| 8605 | case OAP_1_CMD_PROVIDE16: | ||||||
| 8606 | { | ||||||
| 8607 | uint8_t alias_length = flags >> 6; | ||||||
| 8608 | int alias_offset; | ||||||
| 8609 | int iid_offset; | ||||||
| 8610 | int oid_offset; | ||||||
| 8611 | |||||||
| 8612 | if (alias_length == 3) | ||||||
| 8613 | alias_length = 4; | ||||||
| 8614 | |||||||
| 8615 | alias_offset = offset; | ||||||
| 8616 | if (alias_length == 0) | ||||||
| 8617 | { | ||||||
| 8618 | expert_add_info_format(pinfo, ti, &ei_malformed, "alias_length == 0"); | ||||||
| 8619 | return offset; | ||||||
| 8620 | } | ||||||
| 8621 | if (api_data->session == NULL((void*)0)) | ||||||
| 8622 | { | ||||||
| 8623 | expert_add_info(pinfo, ti, &ei_oap_no_session); | ||||||
| 8624 | return offset; | ||||||
| 8625 | } | ||||||
| 8626 | offset = oap_1_tree_add_alias(api_data, oap_packet, packet_data, oap_tree, tvb, pinfo, offset, alias_length, false0); | ||||||
| 8627 | |||||||
| 8628 | iid_offset = offset; | ||||||
| 8629 | offset = oap_1_tree_add_interface(oap_tree, tvb, offset); | ||||||
| 8630 | |||||||
| 8631 | oid_offset = offset; | ||||||
| 8632 | offset = dof_dissect_pdu_as_field(dissect_2009_11_type_4, tvb, pinfo, oap_tree, | ||||||
| 8633 | offset, hf_oap_1_objectid, ett_oap_1_objectid, NULL((void*)0)); | ||||||
| 8634 | |||||||
| 8635 | if (!packet_data->processed) | ||||||
| 8636 | { | ||||||
| 8637 | uint32_t alias; | ||||||
| 8638 | oap_1_binding *binding = wmem_new0(wmem_file_scope(), oap_1_binding)((oap_1_binding*)wmem_alloc0((wmem_file_scope()), sizeof(oap_1_binding ))); | ||||||
| 8639 | int i; | ||||||
| 8640 | |||||||
| 8641 | alias = 0; | ||||||
| 8642 | for (i = 0; i < alias_length; i++) | ||||||
| 8643 | alias = (alias << 8) | tvb_get_uint8(tvb, alias_offset + i); | ||||||
| 8644 | |||||||
| 8645 | binding->iid_length = oid_offset - iid_offset; | ||||||
| 8646 | binding->iid = (uint8_t *)wmem_alloc0(wmem_file_scope(), binding->iid_length); | ||||||
| 8647 | tvb_memcpy(tvb, binding->iid, iid_offset, binding->iid_length); | ||||||
| 8648 | |||||||
| 8649 | binding->oid_length = offset - oid_offset; | ||||||
| 8650 | binding->oid = (uint8_t *)wmem_alloc0(wmem_file_scope(), binding->oid_length); | ||||||
| 8651 | tvb_memcpy(tvb, binding->oid, oid_offset, binding->oid_length); | ||||||
| 8652 | |||||||
| 8653 | binding->frame = pinfo->fd->num; | ||||||
| 8654 | oap_1_define_alias(api_data, alias, binding); | ||||||
| 8655 | } | ||||||
| 8656 | } | ||||||
| 8657 | break; | ||||||
| 8658 | |||||||
| 8659 | case OAP_1_CMD_CHANGE2: | ||||||
| 8660 | case OAP_1_CMD_SIGNAL22: | ||||||
| 8661 | { | ||||||
| 8662 | uint8_t alias_len = (flags & 0xC0) >> 6; | ||||||
| 8663 | if (alias_len == 3) | ||||||
| 8664 | alias_len = 4; | ||||||
| 8665 | |||||||
| 8666 | /* The item identifier comes first, but it is compressed. */ | ||||||
| 8667 | { | ||||||
| 8668 | int item_id_len; | ||||||
| 8669 | proto_item *pi; | ||||||
| 8670 | |||||||
| 8671 | read_c2(tvb, offset, &item_id, &item_id_len); | ||||||
| 8672 | pi = proto_tree_add_uint_format(oap_tree, hf_oap_1_itemid, tvb, offset, item_id_len, item_id, "Item ID: %u", item_id); | ||||||
| 8673 | validate_c2(pinfo, pi, item_id, item_id_len); | ||||||
| 8674 | offset += item_id_len; | ||||||
| 8675 | } | ||||||
| 8676 | |||||||
| 8677 | if (alias_len > 0) | ||||||
| 8678 | { | ||||||
| 8679 | if (api_data->session == NULL((void*)0)) | ||||||
| 8680 | { | ||||||
| 8681 | expert_add_info(pinfo, ti, &ei_oap_no_session); | ||||||
| 8682 | return offset; | ||||||
| 8683 | } | ||||||
| 8684 | offset = oap_1_tree_add_alias(api_data, oap_packet, packet_data, oap_tree, tvb, pinfo, offset, alias_len, true1); | ||||||
| 8685 | } | ||||||
| 8686 | else | ||||||
| 8687 | offset = oap_1_tree_add_binding(oap_tree, pinfo, tvb, offset); | ||||||
| 8688 | |||||||
| 8689 | /* Sequence is next. */ | ||||||
| 8690 | proto_tree_add_item(oap_tree, hf_oap_1_update_sequence, tvb, offset, 2, ENC_BIG_ENDIAN0x00000000); | ||||||
| 8691 | offset += 2; | ||||||
| 8692 | |||||||
| 8693 | /* The value list can be empty */ | ||||||
| 8694 | if (tvb_reported_length_remaining(tvb, offset) > 0) | ||||||
| 8695 | { | ||||||
| 8696 | proto_tree_add_item(oap_tree, hf_oap_1_value_list, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 8697 | offset += tvb_reported_length_remaining(tvb, offset); | ||||||
| 8698 | } | ||||||
| 8699 | } | ||||||
| 8700 | break; | ||||||
| 8701 | |||||||
| 8702 | case OAP_1_RSP_EXCEPTION(9|(0x80)): | ||||||
| 8703 | { | ||||||
| 8704 | if (flags & 0x20) | ||||||
| 8705 | { | ||||||
| 8706 | /* offset = add_oid( tvb, offset, NULL, oap_tree );*/ | ||||||
| 8707 | } | ||||||
| 8708 | |||||||
| 8709 | /* The response code, compressed. */ | ||||||
| 8710 | { | ||||||
| 8711 | int rsp_len; | ||||||
| 8712 | uint16_t rsp; | ||||||
| 8713 | |||||||
| 8714 | /* TODO: Validate*/ | ||||||
| 8715 | read_c2(tvb, offset, &rsp, &rsp_len); | ||||||
| 8716 | /* TODO: Add to tree with error codes. */ | ||||||
| 8717 | offset += rsp_len; | ||||||
| 8718 | } | ||||||
| 8719 | /* The value list can be empty */ | ||||||
| 8720 | if (tvb_reported_length_remaining(tvb, offset) > 0) | ||||||
| 8721 | { | ||||||
| 8722 | proto_tree_add_item(oap_tree, hf_oap_1_value_list, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 8723 | offset += tvb_reported_length_remaining(tvb, offset); | ||||||
| 8724 | } | ||||||
| 8725 | } | ||||||
| 8726 | break; | ||||||
| 8727 | |||||||
| 8728 | default: | ||||||
| 8729 | /* TODO: Bad opcode!*/ | ||||||
| 8730 | break; | ||||||
| 8731 | } | ||||||
| 8732 | |||||||
| 8733 | return offset; | ||||||
| 8734 | } | ||||||
| 8735 | |||||||
| 8736 | static int dissect_sgmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 8737 | { | ||||||
| 8738 | dof_api_data *api_data = (dof_api_data *)data; | ||||||
| 8739 | dof_packet_data *packet_data; | ||||||
| 8740 | unsigned offset = 0; | ||||||
| 8741 | uint8_t opcode; | ||||||
| 8742 | uint16_t app; | ||||||
| 8743 | int app_len; | ||||||
| 8744 | proto_item *ti; | ||||||
| 8745 | proto_tree *sgmp_tree; | ||||||
| 8746 | |||||||
| 8747 | if (api_data == NULL((void*)0)) | ||||||
| 8748 | { | ||||||
| 8749 | /* TODO: Output error. */ | ||||||
| 8750 | return 0; | ||||||
| 8751 | } | ||||||
| 8752 | |||||||
| 8753 | packet_data = api_data->packet; | ||||||
| 8754 | if (packet_data == NULL((void*)0)) | ||||||
| 8755 | { | ||||||
| 8756 | /* TODO: Output error. */ | ||||||
| 8757 | return 0; | ||||||
| 8758 | } | ||||||
| 8759 | |||||||
| 8760 | /* Make entries in Protocol column and Info column on summary display */ | ||||||
| 8761 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "SGMPv1 "); | ||||||
| 8762 | |||||||
| 8763 | /* Create the protocol tree. */ | ||||||
| 8764 | offset = 0; | ||||||
| 8765 | ti = proto_tree_add_item(tree, proto_sgmp, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 8766 | sgmp_tree = proto_item_add_subtree(ti, ett_sgmp); | ||||||
| 8767 | |||||||
| 8768 | /* Add the APPID. */ | ||||||
| 8769 | offset = read_c2(tvb, offset, &app, &app_len); | ||||||
| 8770 | ti = proto_tree_add_uint(sgmp_tree, hf_2008_1_app_version, tvb, 0, app_len, app); | ||||||
| 8771 | validate_c2(pinfo, ti, app, app_len); | ||||||
| 8772 | |||||||
| 8773 | if (offset == tvb_captured_length(tvb)) | ||||||
| 8774 | { | ||||||
| 8775 | col_append_str(pinfo->cinfo, COL_INFO, "SGMP [nop]"); | ||||||
| 8776 | expert_add_info(pinfo, sgmp_tree, &ei_implicit_no_op); | ||||||
| 8777 | |||||||
| 8778 | return offset; | ||||||
| 8779 | } | ||||||
| 8780 | |||||||
| 8781 | |||||||
| 8782 | /* Retrieve the opcode. */ | ||||||
| 8783 | opcode = tvb_get_uint8(tvb, offset); | ||||||
| 8784 | if (!packet_data->is_command) | ||||||
| 8785 | opcode |= SGMP_RESPONSE(0x80); | ||||||
| 8786 | |||||||
| 8787 | col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(pinfo->pool, opcode, sgmp_opcode_strings, "Unknown Opcode (%d)")); | ||||||
| 8788 | |||||||
| 8789 | /* Opcode */ | ||||||
| 8790 | proto_tree_add_item(sgmp_tree, hf_opcode, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 8791 | offset += 1; | ||||||
| 8792 | |||||||
| 8793 | switch (opcode) | ||||||
| 8794 | { | ||||||
| 8795 | case SGMP_CMD_EPOCH_CHANGED(1): | ||||||
| 8796 | { | ||||||
| 8797 | /* TMIN - 2 bytes */ | ||||||
| 8798 | { | ||||||
| 8799 | proto_tree_add_item(sgmp_tree, hf_sgmp_tmin, tvb, offset, 2, ENC_BIG_ENDIAN0x00000000); | ||||||
| 8800 | offset += 2; | ||||||
| 8801 | } | ||||||
| 8802 | |||||||
| 8803 | /* EPOCH - 2 bytes */ | ||||||
| 8804 | { | ||||||
| 8805 | proto_tree_add_item(sgmp_tree, hf_sgmp_epoch, tvb, offset, 2, ENC_BIG_ENDIAN0x00000000); | ||||||
| 8806 | offset += 2; | ||||||
| 8807 | } | ||||||
| 8808 | } | ||||||
| 8809 | break; | ||||||
| 8810 | |||||||
| 8811 | case SGMP_CMD_HEARTBEAT(0): | ||||||
| 8812 | { | ||||||
| 8813 | int start_offset; | ||||||
| 8814 | |||||||
| 8815 | /* Latest SGMP Version - Type.1 */ | ||||||
| 8816 | { | ||||||
| 8817 | uint16_t version; | ||||||
| 8818 | int length; | ||||||
| 8819 | proto_item *pi; | ||||||
| 8820 | |||||||
| 8821 | start_offset = offset; | ||||||
| 8822 | offset = read_c2(tvb, offset, &version, &length); | ||||||
| 8823 | pi = proto_tree_add_uint(sgmp_tree, hf_latest_version, tvb, start_offset, offset - start_offset, version); | ||||||
| 8824 | validate_c2(pinfo, pi, version, length); | ||||||
| 8825 | } | ||||||
| 8826 | |||||||
| 8827 | /* Desire - 1 byte */ | ||||||
| 8828 | { | ||||||
| 8829 | proto_tree_add_item(sgmp_tree, hf_desire, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 8830 | offset += 1; | ||||||
| 8831 | } | ||||||
| 8832 | |||||||
| 8833 | /* Tie Breaker - 4 bytes */ | ||||||
| 8834 | { | ||||||
| 8835 | proto_tree_add_item(sgmp_tree, hf_tie_breaker, tvb, offset, 4, ENC_BIG_ENDIAN0x00000000); | ||||||
| 8836 | offset += 4; | ||||||
| 8837 | } | ||||||
| 8838 | } | ||||||
| 8839 | break; | ||||||
| 8840 | |||||||
| 8841 | case SGMP_CMD_REKEY(2): | ||||||
| 8842 | case SGMP_CMD_REKEY_EPOCH(5): | ||||||
| 8843 | case SGMP_CMD_REKEY_MERGE(7): | ||||||
| 8844 | { | ||||||
| 8845 | #if 0 /*TODO check this */ | ||||||
| 8846 | int start_offset; | ||||||
| 8847 | tvbuff_t *initial_state; | ||||||
| 8848 | #endif | ||||||
| 8849 | uint8_t key[32]; | ||||||
| 8850 | |||||||
| 8851 | /* Delay - one byte */ | ||||||
| 8852 | if (opcode != SGMP_CMD_REKEY_MERGE(7)) | ||||||
| 8853 | { | ||||||
| 8854 | proto_tree_add_item(sgmp_tree, hf_delay, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 8855 | offset += 1; | ||||||
| 8856 | } | ||||||
| 8857 | |||||||
| 8858 | /* Initial State - Security.9 (not REKEY_MERGE) */ | ||||||
| 8859 | { | ||||||
| 8860 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_9, tvb, pinfo, sgmp_tree, | ||||||
| 8861 | offset, hf_initial_state, ett_initial_state, NULL((void*)0)); | ||||||
| 8862 | #if 0 /*TODO check this */ | ||||||
| 8863 | initial_state = tvb_new_subset_length(tvb, start_offset, offset - start_offset); | ||||||
| 8864 | #endif | ||||||
| 8865 | } | ||||||
| 8866 | |||||||
| 8867 | /* Epoch - 2 bytes (only REKEY_EPOCH) */ | ||||||
| 8868 | if (opcode == SGMP_CMD_REKEY_EPOCH(5)) | ||||||
| 8869 | { | ||||||
| 8870 | proto_tree_add_item(sgmp_tree, hf_sgmp_epoch, tvb, offset, 2, ENC_BIG_ENDIAN0x00000000); | ||||||
| 8871 | offset += 2; | ||||||
| 8872 | } | ||||||
| 8873 | |||||||
| 8874 | /* Kgm - 32 bytes */ | ||||||
| 8875 | { | ||||||
| 8876 | proto_tree_add_item(sgmp_tree, hf_key, tvb, offset, 32, ENC_NA0x00000000); | ||||||
| 8877 | tvb_memcpy(tvb, key, offset, 32); | ||||||
| 8878 | offset += 32; | ||||||
| 8879 | } | ||||||
| 8880 | |||||||
| 8881 | /* Handle the initialization block. */ | ||||||
| 8882 | if (!packet_data->processed && api_data->session) | ||||||
| 8883 | { | ||||||
| 8884 | /*dof_session_data* session = (dof_session_data*)api_data->session;*/ | ||||||
| 8885 | |||||||
| 8886 | /* Look up the field-dissector table, and determine if it is registered. */ | ||||||
| 8887 | dissector_table_t field_dissector = find_dissector_table("dof.secmode"); | ||||||
| 8888 | if (field_dissector != NULL((void*)0)) | ||||||
| 8889 | { | ||||||
| 8890 | #if 0 | ||||||
| 8891 | dissector_handle_t field_handle = dissector_get_port_handle(field_dissector, packet_data->security_mode); | ||||||
| 8892 | if (field_handle != NULL((void*)0)) | ||||||
| 8893 | { | ||||||
| 8894 | void *saved_private = pinfo->private_data; | ||||||
| 8895 | dof_secmode_api_data setup_data; | ||||||
| 8896 | int block_length; | ||||||
| 8897 | |||||||
| 8898 | setup_data.version = DOF_API_VERSION; | ||||||
| 8899 | setup_data.context = INITIALIZE; | ||||||
| 8900 | setup_data.dof_api = api_data; | ||||||
| 8901 | setup_data.secure_session = rekey_data->security_session; | ||||||
| 8902 | /* TODO FIX THIS setup_data.session_key = session_key; */ | ||||||
| 8903 | pinfo->private_data = &setup_data; | ||||||
| 8904 | block_length = call_dissector_only(field_handle, NULL((void*)0), pinfo, NULL((void*)0)); | ||||||
| 8905 | pinfo->private_data = saved_private; | ||||||
| 8906 | } | ||||||
| 8907 | #endif | ||||||
| 8908 | } | ||||||
| 8909 | } | ||||||
| 8910 | } | ||||||
| 8911 | break; | ||||||
| 8912 | |||||||
| 8913 | case SGMP_CMD_REQUEST_GROUP(3): | ||||||
| 8914 | { | ||||||
| 8915 | uint8_t *domain_buf = NULL((void*)0); | ||||||
| 8916 | unsigned domain_length = 0; | ||||||
| 8917 | int start_offset; | ||||||
| 8918 | unsigned I_offset = offset; | ||||||
| 8919 | sgmp_packet_data *sgmp_data = NULL((void*)0); | ||||||
| 8920 | uint16_t epoch; | ||||||
| 8921 | |||||||
| 8922 | /* START OF I BLOCK */ | ||||||
| 8923 | /* Domain - Security.7 */ | ||||||
| 8924 | { | ||||||
| 8925 | start_offset = offset; | ||||||
| 8926 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_7, tvb, pinfo, sgmp_tree, | ||||||
| 8927 | offset, hf_sgmp_domain, ett_sgmp_domain, NULL((void*)0)); | ||||||
| 8928 | if (!packet_data->processed) | ||||||
| 8929 | { | ||||||
| 8930 | domain_length = dof_consumed_length(offset, start_offset); | ||||||
| 8931 | domain_buf = (uint8_t *)wmem_alloc0(pinfo->pool, domain_length); | ||||||
| 8932 | tvb_memcpy(tvb, domain_buf, start_offset, domain_length); | ||||||
| 8933 | } | ||||||
| 8934 | } | ||||||
| 8935 | |||||||
| 8936 | /* Epoch - 2 bytes */ | ||||||
| 8937 | { | ||||||
| 8938 | proto_tree_add_item_ret_uint16(sgmp_tree, hf_sgmp_epoch, tvb, offset, 2, ENC_BIG_ENDIAN0x00000000, &epoch); | ||||||
| 8939 | offset += 2; | ||||||
| 8940 | } | ||||||
| 8941 | |||||||
| 8942 | /* Initiator Block - SGMP.6.3 */ | ||||||
| 8943 | { | ||||||
| 8944 | /* SGMP Key Request - Security.4 */ | ||||||
| 8945 | { | ||||||
| 8946 | dof_2008_16_security_4 response; | ||||||
| 8947 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_4, tvb, pinfo, sgmp_tree, | ||||||
| 8948 | offset, hf_initiator_block, ett_initiator_block, &response); | ||||||
| 8949 | if (!packet_data->processed) | ||||||
| 8950 | { | ||||||
| 8951 | tvbuff_t *identity = response.identity; | ||||||
| 8952 | unsigned identity_length = tvb_reported_length(identity); | ||||||
| 8953 | uint8_t *identity_buf = (uint8_t *)wmem_alloc0(wmem_file_scope(), identity_length); | ||||||
| 8954 | |||||||
| 8955 | /* Get the buffer. */ | ||||||
| 8956 | tvb_memcpy(identity, identity_buf, 0, identity_length); | ||||||
| 8957 | |||||||
| 8958 | { | ||||||
| 8959 | sgmp_data = wmem_new0(wmem_file_scope(), sgmp_packet_data)((sgmp_packet_data*)wmem_alloc0((wmem_file_scope()), sizeof(sgmp_packet_data ))); | ||||||
| 8960 | dof_packet_add_proto_data(packet_data, proto_sgmp, sgmp_data); | ||||||
| 8961 | |||||||
| 8962 | sgmp_data->domain_length = domain_length; | ||||||
| 8963 | sgmp_data->domain = (uint8_t *)wmem_alloc0(wmem_file_scope(), domain_length); | ||||||
| 8964 | memcpy(sgmp_data->domain, domain_buf, domain_length); | ||||||
| 8965 | |||||||
| 8966 | sgmp_data->group_length = identity_length; | ||||||
| 8967 | sgmp_data->group = (uint8_t *)wmem_alloc0(wmem_file_scope(), identity_length); | ||||||
| 8968 | memcpy(sgmp_data->group, identity_buf, identity_length); | ||||||
| 8969 | |||||||
| 8970 | sgmp_data->epoch = epoch; | ||||||
| 8971 | sgmp_data->request_session = api_data->session; | ||||||
| 8972 | } | ||||||
| 8973 | } | ||||||
| 8974 | } | ||||||
| 8975 | } | ||||||
| 8976 | |||||||
| 8977 | /* Security Scope - Security.10 */ | ||||||
| 8978 | { | ||||||
| 8979 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_10, tvb, pinfo, sgmp_tree, | ||||||
| 8980 | offset, hf_sgmp_security_scope, ett_sgmp_security_scope, NULL((void*)0)); | ||||||
| 8981 | } | ||||||
| 8982 | |||||||
| 8983 | /* END OF I BLOCK */ | ||||||
| 8984 | if (sgmp_data && !sgmp_data->I) | ||||||
| 8985 | { | ||||||
| 8986 | sgmp_data->I_length = dof_consumed_length(offset, I_offset); | ||||||
| 8987 | sgmp_data->I = (uint8_t *)wmem_alloc0(wmem_file_scope(), sgmp_data->I_length); | ||||||
| 8988 | tvb_memcpy(tvb, sgmp_data->I, I_offset, sgmp_data->I_length); | ||||||
| 8989 | } | ||||||
| 8990 | } | ||||||
| 8991 | break; | ||||||
| 8992 | |||||||
| 8993 | case SGMP_RSP_REQUEST_GROUP((3)|(0x80)): | ||||||
| 8994 | { | ||||||
| 8995 | int start_offset; | ||||||
| 8996 | #if 0 /*TODO check this */ | ||||||
| 8997 | unsigned A_offset; | ||||||
| 8998 | tvbuff_t *initial_state; | ||||||
| 8999 | unsigned A_end; | ||||||
| 9000 | #endif | ||||||
| 9001 | |||||||
| 9002 | /* START OF A BLOCK */ | ||||||
| 9003 | /* Initial State - SGMP.6.2.1 */ | ||||||
| 9004 | { | ||||||
| 9005 | /* A_offset = offset;*/ | ||||||
| 9006 | |||||||
| 9007 | /* Initial State - Security.9 */ | ||||||
| 9008 | { | ||||||
| 9009 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_9, tvb, pinfo, sgmp_tree, | ||||||
| 9010 | offset, hf_initial_state, ett_initial_state, NULL((void*)0)); | ||||||
| 9011 | #if 0 /*TODO check this */ | ||||||
| 9012 | initial_state = tvb_new_subset_length(tvb, start_offset, offset - start_offset); | ||||||
| 9013 | #endif | ||||||
| 9014 | } | ||||||
| 9015 | |||||||
| 9016 | /* Latest SGMP Version - Type.1 */ | ||||||
| 9017 | { | ||||||
| 9018 | uint16_t version; | ||||||
| 9019 | int length; | ||||||
| 9020 | proto_item *pi; | ||||||
| 9021 | |||||||
| 9022 | start_offset = offset; | ||||||
| 9023 | offset = read_c2(tvb, offset, &version, &length); | ||||||
| 9024 | pi = proto_tree_add_uint(sgmp_tree, hf_latest_version, tvb, start_offset, offset - start_offset, version); | ||||||
| 9025 | validate_c2(pinfo, pi, version, length); | ||||||
| 9026 | } | ||||||
| 9027 | |||||||
| 9028 | /* Desire - 1 byte */ | ||||||
| 9029 | { | ||||||
| 9030 | proto_tree_add_item(sgmp_tree, hf_desire, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 9031 | offset += 1; | ||||||
| 9032 | } | ||||||
| 9033 | } | ||||||
| 9034 | |||||||
| 9035 | /* END OF A BLOCK */ | ||||||
| 9036 | /* A block data handled in first part of the next block. */ | ||||||
| 9037 | #if 0 /*TODO check this */ | ||||||
| 9038 | A_end = offset; | ||||||
| 9039 | #endif | ||||||
| 9040 | |||||||
| 9041 | /* Ticket - Security.5 */ | ||||||
| 9042 | { | ||||||
| 9043 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_5, tvb, pinfo, sgmp_tree, | ||||||
| 9044 | offset, hf_ticket, ett_ticket, NULL((void*)0)); | ||||||
| 9045 | } | ||||||
| 9046 | |||||||
| 9047 | /* Try to match up the information learned here with any groups that exist. | ||||||
| 9048 | * Note that we do not know the SSID, and so we can only match based on the | ||||||
| 9049 | * domain and group identifier. We will learn the SSID based on a successful | ||||||
| 9050 | * match to a secure session. | ||||||
| 9051 | */ | ||||||
| 9052 | if (packet_data->opid_first && !api_data->secure_session) | ||||||
| 9053 | { | ||||||
| 9054 | #if 0 | ||||||
| 9055 | sgmp_packet_data* cmd_data = (sgmp_packet_data*)dof_packet_get_proto_data(packet_data->opid_first, proto_sgmp); | ||||||
| 9056 | extern struct BlockCipher BlockCipher_AES_256; | ||||||
| 9057 | struct BlockCipher* cipher = &BlockCipher_AES_256; | ||||||
| 9058 | uint8_t* ekey = (uint8_t*)ep_alloc(cipher->keyStateSize); | ||||||
| 9059 | |||||||
| 9060 | if (cmd_data && !cmd_data->A) | ||||||
| 9061 | { | ||||||
| 9062 | cmd_data->A_length = A_end - A_offset; | ||||||
| 9063 | cmd_data->A = (uint8_t*)wmem_alloc0(wmem_file_scope(), cmd_data->A_length); | ||||||
| 9064 | tvb_memcpy(tvb, cmd_data->A, A_offset, cmd_data->A_length); | ||||||
| 9065 | } | ||||||
| 9066 | |||||||
| 9067 | /* Search through the appropriate keks to find a match. */ | ||||||
| 9068 | { | ||||||
| 9069 | dof_learned_group_data* group = globals.learned_group_data; | ||||||
| 9070 | struct list; | ||||||
| 9071 | struct list | ||||||
| 9072 | { dof_learned_group_data *group; | ||||||
| 9073 | struct list *next; }; | ||||||
| 9074 | struct list *to_try = NULL((void*)0); | ||||||
| 9075 | uint8_t confirmation[32]; | ||||||
| 9076 | uint8_t* discovered_kek = NULL((void*)0); | ||||||
| 9077 | dof_learned_group_auth_data *auth = NULL((void*)0); | ||||||
| 9078 | |||||||
| 9079 | tvb_memcpy(tvb, confirmation, start_offset, 32); | ||||||
| 9080 | |||||||
| 9081 | while (group) | ||||||
| 9082 | { | ||||||
| 9083 | if ((cmd_data->domain_length == group->domain_length) && | ||||||
| 9084 | (memcmp(cmd_data->domain, group->domain, group->domain_length) == 0) && | ||||||
| 9085 | (cmd_data->group_length == group->group_length) && | ||||||
| 9086 | (memcmp(cmd_data->group, group->group, group->group_length) == 0)) | ||||||
| 9087 | { | ||||||
| 9088 | struct list *n = (struct list *) ep_alloc0(sizeof(struct list)); | ||||||
| 9089 | n->group = group; | ||||||
| 9090 | n->next = to_try; | ||||||
| 9091 | to_try = n; | ||||||
| 9092 | } | ||||||
| 9093 | |||||||
| 9094 | group = group->next; | ||||||
| 9095 | } | ||||||
| 9096 | |||||||
| 9097 | /* At this point we may be able to learn the session key. */ | ||||||
| 9098 | while (to_try && !discovered_kek) | ||||||
| 9099 | { | ||||||
| 9100 | group = to_try->group; | ||||||
| 9101 | |||||||
| 9102 | auth = group->keys; | ||||||
| 9103 | |||||||
| 9104 | while (auth && !discovered_kek) | ||||||
| 9105 | { | ||||||
| 9106 | uint8_t mac[32]; | ||||||
| 9107 | uint8_t key[32]; | ||||||
| 9108 | int j; | ||||||
| 9109 | |||||||
| 9110 | /* It only makes sense to check matching epochs. */ | ||||||
| 9111 | if (auth->epoch == cmd_data->epoch) | ||||||
| 9112 | { | ||||||
| 9113 | tvb_memcpy(tvb, mac, start_offset, 32); | ||||||
| 9114 | tvb_memcpy(tvb, key, start_offset + 32, 32); | ||||||
| 9115 | |||||||
| 9116 | if (cipher != NULL((void*)0)) | ||||||
| 9117 | { | ||||||
| 9118 | cipher->GenerateKeyState(ekey, auth->kek); | ||||||
| 9119 | cipher->Encrypt(ekey, mac); | ||||||
| 9120 | cipher->Encrypt(ekey, mac + 16); | ||||||
| 9121 | } | ||||||
| 9122 | |||||||
| 9123 | for (j = 0; j < 32; j++) | ||||||
| 9124 | key[j] ^= mac[j]; | ||||||
| 9125 | |||||||
| 9126 | if (sgmp_validate_session_key(cmd_data, confirmation, auth->kek, key)) | ||||||
| 9127 | { | ||||||
| 9128 | discovered_kek = (uint8_t*)se_alloc0(32); | ||||||
| 9129 | memcpy(discovered_kek, key, 32); | ||||||
| 9130 | break; | ||||||
| 9131 | } | ||||||
| 9132 | } | ||||||
| 9133 | |||||||
| 9134 | auth = auth->next; | ||||||
| 9135 | } | ||||||
| 9136 | |||||||
| 9137 | to_try = to_try->next; | ||||||
| 9138 | } | ||||||
| 9139 | |||||||
| 9140 | /* Determine if there is already a secure session for this information. If there is, then | ||||||
| 9141 | * EPP will find it to decode any packets. If there is not, then we must create a secure | ||||||
| 9142 | * session and initialize it so that future packets can be decoded. | ||||||
| 9143 | * NOTE: None of the actual decoding is done here, because this packet is not encrypted | ||||||
| 9144 | * in the session that it defines. | ||||||
| 9145 | * NOTE: SGMP secure sessions are always attached to the DPS session, which is always | ||||||
| 9146 | * associated with the transport session (server address). | ||||||
| 9147 | */ | ||||||
| 9148 | if (discovered_kek) | ||||||
| 9149 | { | ||||||
| 9150 | dissector_table_t field_dissector; | ||||||
| 9151 | dissector_handle_t field_handle; | ||||||
| 9152 | dof_session_key_exchange_data *key_exchange = NULL((void*)0); | ||||||
| 9153 | |||||||
| 9154 | dof_secure_session_data *dof_secure_session = cmd_data->request_session->secure_sessions; | ||||||
| 9155 | while (dof_secure_session) | ||||||
| 9156 | { | ||||||
| 9157 | if ((dof_secure_session->ssid == group->ssid) && | ||||||
| 9158 | (dof_secure_session->domain_length == group->domain_length) && | ||||||
| 9159 | (memcmp(dof_secure_session->domain, group->domain, group->domain_length) == 0)) | ||||||
| 9160 | break; | ||||||
| 9161 | |||||||
| 9162 | dof_secure_session = dof_secure_session->next; | ||||||
| 9163 | } | ||||||
| 9164 | |||||||
| 9165 | if (!dof_secure_session) | ||||||
| 9166 | { | ||||||
| 9167 | dof_session_data *dof_session = wmem_alloc0(wmem_file_scope(), sizeof(dof_session_data)); | ||||||
| 9168 | dof_session->session_id = globals.next_session++; | ||||||
| 9169 | dof_session->dof_id = api_data->session->dof_id; | ||||||
| 9170 | |||||||
| 9171 | dof_secure_session = wmem_alloc0(wmem_file_scope(), sizeof(dof_secure_session_data)); | ||||||
| 9172 | dof_secure_session->ssid = group->ssid; | ||||||
| 9173 | dof_secure_session->domain_length = group->domain_length; | ||||||
| 9174 | dof_secure_session->domain = group->domain; | ||||||
| 9175 | dof_secure_session->original_session_id = cmd_data->request_session->session_id; | ||||||
| 9176 | dof_secure_session->parent = dof_session; | ||||||
| 9177 | dof_secure_session->is_2_node = false0; | ||||||
| 9178 | dof_secure_session->next = cmd_data->request_session->secure_sessions; | ||||||
| 9179 | cmd_data->request_session->secure_sessions = dof_secure_session; | ||||||
| 9180 | } | ||||||
| 9181 | |||||||
| 9182 | /* This packet represents a new key exchange, and so a new key exchange data | ||||||
| 9183 | * structure needs to be created. | ||||||
| 9184 | */ | ||||||
| 9185 | { | ||||||
| 9186 | key_exchange = wmem_alloc0(wmem_file_scope(), sizeof(dof_session_key_exchange_data)); | ||||||
| 9187 | if (!key_exchange) | ||||||
| 9188 | return offset; | ||||||
| 9189 | |||||||
| 9190 | key_exchange->i_valid = packet_data->opid_first->dof_frame; | ||||||
| 9191 | key_exchange->r_valid = packet_data->dof_frame; | ||||||
| 9192 | key_exchange->security_mode = auth->security_mode; | ||||||
| 9193 | key_exchange->security_mode_data = auth->mode; | ||||||
| 9194 | key_exchange->security_mode_data_length = auth->mode_length; | ||||||
| 9195 | key_exchange->session_key = discovered_kek; | ||||||
| 9196 | |||||||
| 9197 | /* Insert the new key information at the front of the list. */ | ||||||
| 9198 | if (!dof_secure_session->session_security_data_last) | ||||||
| 9199 | dof_secure_session->session_security_data = key_exchange; | ||||||
| 9200 | else | ||||||
| 9201 | dof_secure_session->session_security_data_last->next = key_exchange; | ||||||
| 9202 | |||||||
| 9203 | dof_secure_session->session_security_data_last = key_exchange; | ||||||
| 9204 | } | ||||||
| 9205 | |||||||
| 9206 | /* Look up the field-dissector table, and determine if it is registered. */ | ||||||
| 9207 | field_dissector = find_dissector_table("dps.secmode"); | ||||||
| 9208 | if (field_dissector != NULL((void*)0)) | ||||||
| 9209 | { | ||||||
| 9210 | field_handle = dissector_get_uint_handle(field_dissector, auth->security_mode); | ||||||
| 9211 | if (field_handle != NULL((void*)0)) | ||||||
| 9212 | { | ||||||
| 9213 | dof_secmode_api_data setup_data; | ||||||
| 9214 | int block_length; | ||||||
| 9215 | tvbuff_t *ntvb = tvb_new_subset_remaining(tvb, A_offset); | ||||||
| 9216 | |||||||
| 9217 | setup_data.context = INITIALIZE; | ||||||
| 9218 | setup_data.security_mode_offset = 0; | ||||||
| 9219 | setup_data.dof_api = api_data; | ||||||
| 9220 | setup_data.secure_session = dof_secure_session; | ||||||
| 9221 | setup_data.session_key_data = key_exchange; | ||||||
| 9222 | block_length = call_dissector_only(field_handle, ntvb, pinfo, tree, &setup_data); | ||||||
| 9223 | } | ||||||
| 9224 | } | ||||||
| 9225 | } | ||||||
| 9226 | } | ||||||
| 9227 | #endif | ||||||
| 9228 | } | ||||||
| 9229 | } | ||||||
| 9230 | break; | ||||||
| 9231 | |||||||
| 9232 | default: | ||||||
| 9233 | break; | ||||||
| 9234 | } | ||||||
| 9235 | |||||||
| 9236 | return offset; | ||||||
| 9237 | } | ||||||
| 9238 | |||||||
| 9239 | static bool_Bool validate_session_key(tep_rekey_data *rekey, unsigned S_length, uint8_t *S, uint8_t *confirmation, uint8_t *key) | ||||||
| 9240 | { | ||||||
| 9241 | uint8_t pad[16]; | ||||||
| 9242 | gcry_mac_hd_t hmac; | ||||||
| 9243 | gcry_error_t result; | ||||||
| 9244 | |||||||
| 9245 | if (rekey->i_nonce_length > sizeof(pad) || rekey->r_nonce_length > sizeof(pad)) | ||||||
| 9246 | return false0; | ||||||
| 9247 | if ((S_length > 0 && S == NULL((void*)0)) || (rekey->r_identity_length > 0 && rekey->r_identity == NULL((void*)0))) | ||||||
| 9248 | return false0; | ||||||
| 9249 | |||||||
| 9250 | memset(pad, 0, sizeof(pad)); | ||||||
| 9251 | result = gcry_mac_open(&hmac, GCRY_MAC_HMAC_SHA256, 0, NULL((void*)0)); | ||||||
| 9252 | if (result != 0) | ||||||
| 9253 | return false0; | ||||||
| 9254 | |||||||
| 9255 | gcry_mac_setkey(hmac, key, 32); | ||||||
| 9256 | gcry_mac_write(hmac, pad, 16 - rekey->i_nonce_length); | ||||||
| 9257 | if (rekey->i_nonce_length > 0) | ||||||
| 9258 | gcry_mac_write(hmac, rekey->i_nonce, rekey->i_nonce_length); | ||||||
| 9259 | gcry_mac_write(hmac, pad, 16 - rekey->r_nonce_length); | ||||||
| 9260 | if (rekey->r_nonce_length > 0) | ||||||
| 9261 | gcry_mac_write(hmac, rekey->r_nonce, rekey->r_nonce_length); | ||||||
| 9262 | if (S_length > 0) | ||||||
| 9263 | gcry_mac_write(hmac, S, S_length); | ||||||
| 9264 | if (rekey->r_identity_length > 0) | ||||||
| 9265 | gcry_mac_write(hmac, rekey->r_identity, rekey->r_identity_length); | ||||||
| 9266 | result = gcry_mac_verify(hmac, confirmation, 32); | ||||||
| 9267 | gcry_mac_close(hmac); | ||||||
| 9268 | return result == 0; | ||||||
| 9269 | } | ||||||
| 9270 | |||||||
| 9271 | static int dissect_tep_dsp(tvbuff_t *tvb, packet_info *pinfo _U___attribute__((unused)), proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 9272 | { | ||||||
| 9273 | /* We are handed a buffer that starts with our protocol id. Any options follow that. */ | ||||||
| 9274 | unsigned offset = 0; | ||||||
| 9275 | |||||||
| 9276 | /* We don't care except for the treeview. */ | ||||||
| 9277 | if (!tree) | ||||||
| 9278 | return 0; | ||||||
| 9279 | |||||||
| 9280 | /* Compute the version and flags, masking off other bits. */ | ||||||
| 9281 | offset += 4; /* Skip the type and protocol. */ | ||||||
| 9282 | |||||||
| 9283 | proto_tree_add_item(tree, hf_dsp_option, tvb, 0, -1, ENC_NA0x00000000); | ||||||
| 9284 | return offset; | ||||||
| 9285 | } | ||||||
| 9286 | |||||||
| 9287 | static int dissect_2008_4_tep_2_2_1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, uint32_t *ssid, void *data) | ||||||
| 9288 | { | ||||||
| 9289 | unsigned offset = 0; | ||||||
| 9290 | proto_item *ti; | ||||||
| 9291 | dof_api_data *api_data = (dof_api_data *)data; | ||||||
| 9292 | dof_packet_data *packet_data; | ||||||
| 9293 | |||||||
| 9294 | if (api_data == NULL((void*)0)) | ||||||
| 9295 | { | ||||||
| 9296 | /* TODO: Output error. */ | ||||||
| 9297 | return 0; | ||||||
| 9298 | } | ||||||
| 9299 | |||||||
| 9300 | packet_data = api_data->packet; | ||||||
| 9301 | if (packet_data == NULL((void*)0)) | ||||||
| 9302 | { | ||||||
| 9303 | /* TODO: Output error. */ | ||||||
| 9304 | return 0; | ||||||
| 9305 | } | ||||||
| 9306 | |||||||
| 9307 | /* State Identifier - Only if Unsecured */ | ||||||
| 9308 | if (packet_data->decrypted_buffer == NULL((void*)0)) | ||||||
| 9309 | { | ||||||
| 9310 | proto_item *pi; | ||||||
| 9311 | int ssid_len; | ||||||
| 9312 | int start = offset; | ||||||
| 9313 | offset = read_c4(tvb, offset, ssid, &ssid_len); | ||||||
| 9314 | pi = proto_tree_add_uint(tree, hf_tep_2_2_1_state_identifier, tvb, start, offset - start, *ssid); | ||||||
| 9315 | validate_c4(pinfo, pi, *ssid, ssid_len); | ||||||
| 9316 | } | ||||||
| 9317 | |||||||
| 9318 | /* Initial State */ | ||||||
| 9319 | { | ||||||
| 9320 | int block_length; | ||||||
| 9321 | tvbuff_t *start = tvb_new_subset_remaining(tvb, offset); | ||||||
| 9322 | ti = proto_tree_add_item(tree, hf_tep_2_2_1_initial_state, tvb, offset, 0, ENC_NA0x00000000); | ||||||
| 9323 | ti = proto_item_add_subtree(ti, ett_tep_2_2_1_initial_state); | ||||||
| 9324 | block_length = dof_dissect_pdu(dissect_2008_16_security_9, start, pinfo, ti, NULL((void*)0)); | ||||||
| 9325 | proto_item_set_len(ti, block_length); | ||||||
| 9326 | offset += block_length; | ||||||
| 9327 | } | ||||||
| 9328 | |||||||
| 9329 | return offset; | ||||||
| 9330 | } | ||||||
| 9331 | |||||||
| 9332 | /** | ||||||
| 9333 | * This is the main entry point for the CCM dissector. | ||||||
| 9334 | * TEP operations create security periods. | ||||||
| 9335 | * They can also create sessions when used with "None" sessions. | ||||||
| 9336 | * In any case, these PDUs need to pass information between | ||||||
| 9337 | * them. | ||||||
| 9338 | * They also must maintain state for each rekey request, some of | ||||||
| 9339 | * which modify the session key, some of which create new | ||||||
| 9340 | * sessions, and others that determine new session information | ||||||
| 9341 | * like permission sets. | ||||||
| 9342 | * | ||||||
| 9343 | * In order to store information appropriately, the following structures are | ||||||
| 9344 | * used: | ||||||
| 9345 | * 1. api_data (dof_api_data*) source for all other state. | ||||||
| 9346 | * 2. packet (dof_packet_data*) dps packet information. | ||||||
| 9347 | * 3. rekey_data (tep_rekey_data*) tep information for rekey/accept/confirm. | ||||||
| 9348 | */ | ||||||
| 9349 | static int dissect_tep(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 9350 | { | ||||||
| 9351 | dof_api_data *api_data = (dof_api_data *)data; | ||||||
| 9352 | dof_packet_data *packet; | ||||||
| 9353 | tep_rekey_data *rekey_data; | ||||||
| 9354 | |||||||
| 9355 | unsigned offset = 0; | ||||||
| 9356 | uint8_t operation; | ||||||
| 9357 | uint16_t app; | ||||||
| 9358 | int app_len; | ||||||
| 9359 | proto_item *ti; | ||||||
| 9360 | proto_tree *tep_tree, *operation_tree; | ||||||
| 9361 | |||||||
| 9362 | if (api_data == NULL((void*)0)) | ||||||
| 9363 | { | ||||||
| 9364 | /* TODO: Output error. */ | ||||||
| 9365 | return 0; | ||||||
| 9366 | } | ||||||
| 9367 | |||||||
| 9368 | packet = api_data->packet; | ||||||
| 9369 | if (packet == NULL((void*)0)) | ||||||
| 9370 | { | ||||||
| 9371 | /* TODO: Output error. */ | ||||||
| 9372 | return 0; | ||||||
| 9373 | } | ||||||
| 9374 | |||||||
| 9375 | /* Make entries in Protocol column and Info column on summary display */ | ||||||
| 9376 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "TEPv1 "); | ||||||
| 9377 | |||||||
| 9378 | /* Create the protocol tree. */ | ||||||
| 9379 | offset = 0; | ||||||
| 9380 | ti = proto_tree_add_item(tree, proto_tep, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 9381 | tep_tree = proto_item_add_subtree(ti, ett_tep); | ||||||
| 9382 | |||||||
| 9383 | /* Add the APPID. */ | ||||||
| 9384 | offset = read_c2(tvb, offset, &app, &app_len); | ||||||
| 9385 | ti = proto_tree_add_uint(tep_tree, hf_2008_1_app_version, tvb, 0, app_len, app); | ||||||
| 9386 | validate_c2(pinfo,ti, app, app_len); | ||||||
| 9387 | |||||||
| 9388 | /* Check for empty packet. */ | ||||||
| 9389 | if (offset == tvb_captured_length(tvb)) | ||||||
| 9390 | { | ||||||
| 9391 | col_append_str(pinfo->cinfo, COL_INFO, "TEP [nop]"); | ||||||
| 9392 | expert_add_info(pinfo, tep_tree, &ei_implicit_no_op); | ||||||
| 9393 | |||||||
| 9394 | return offset; | ||||||
| 9395 | } | ||||||
| 9396 | |||||||
| 9397 | /* Retrieve the opcode. */ | ||||||
| 9398 | operation = tvb_get_uint8(tvb, offset); | ||||||
| 9399 | if (!packet->is_command) | ||||||
| 9400 | operation |= TEP_OPCODE_RSP(0x80); | ||||||
| 9401 | |||||||
| 9402 | col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(pinfo->pool, operation, tep_opcode_strings, "Unknown Opcode (%d)")); | ||||||
| 9403 | |||||||
| 9404 | ti = proto_tree_add_uint_format(tep_tree, hf_tep_operation, tvb, offset, 1, operation, "Operation: %s (%u)", val_to_str(pinfo->pool, operation, tep_opcode_strings, "Unknown Opcode (%d)"), operation); | ||||||
| 9405 | |||||||
| 9406 | operation_tree = proto_item_add_subtree(ti, ett_tep_operation); | ||||||
| 9407 | ti = proto_tree_add_boolean(operation_tree, hf_tep_operation_type, tvb, offset, 0, operation); | ||||||
| 9408 | proto_item_set_generated(ti); | ||||||
| 9409 | |||||||
| 9410 | /* The flags are reserved except for OPCODE=1 & COMMAND */ | ||||||
| 9411 | if ((operation & 0x8F) == 0x01) | ||||||
| 9412 | { | ||||||
| 9413 | proto_tree_add_item(operation_tree, hf_tep_c, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 9414 | proto_tree_add_item(operation_tree, hf_tep_k, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 9415 | } | ||||||
| 9416 | |||||||
| 9417 | proto_tree_add_item(operation_tree, hf_tep_opcode, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 9418 | offset += 1; | ||||||
| 9419 | |||||||
| 9420 | switch (operation) | ||||||
| 9421 | { | ||||||
| 9422 | case TEP_PDU_REQUEST_KEY((0x10)|(1)): | ||||||
| 9423 | /* The K bit must be set, so there is a domain ONLY IF NOT SECURED. */ | ||||||
| 9424 | |||||||
| 9425 | /* Remember the current request. */ | ||||||
| 9426 | rekey_data = (tep_rekey_data *)packet->opid_data; | ||||||
| 9427 | if (!rekey_data) | ||||||
| 9428 | { | ||||||
| 9429 | packet->opid_data = rekey_data = wmem_new0(wmem_file_scope(), tep_rekey_data)((tep_rekey_data*)wmem_alloc0((wmem_file_scope()), sizeof(tep_rekey_data ))); | ||||||
| 9430 | } | ||||||
| 9431 | |||||||
| 9432 | if (!rekey_data->key_data) | ||||||
| 9433 | rekey_data->key_data = wmem_new0(wmem_file_scope(), dof_session_key_exchange_data)((dof_session_key_exchange_data*)wmem_alloc0((wmem_file_scope ()), sizeof(dof_session_key_exchange_data))); | ||||||
| 9434 | rekey_data->is_rekey = true1; | ||||||
| 9435 | |||||||
| 9436 | /* The K bit must be set, so there is a domain ONLY IF NOT SECURED. */ | ||||||
| 9437 | if (packet->decrypted_buffer == NULL((void*)0)) | ||||||
| 9438 | { | ||||||
| 9439 | int start_offset = offset; | ||||||
| 9440 | |||||||
| 9441 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_7, tvb, pinfo, tep_tree, | ||||||
| 9442 | offset, hf_tep_2_1_domain, ett_tep_2_1_domain, NULL((void*)0)); | ||||||
| 9443 | |||||||
| 9444 | if (!rekey_data->domain) | ||||||
| 9445 | { | ||||||
| 9446 | rekey_data->domain_length = dof_consumed_length(offset, start_offset); | ||||||
| 9447 | rekey_data->domain = (uint8_t *)wmem_alloc0(wmem_file_scope(), rekey_data->domain_length); | ||||||
| 9448 | |||||||
| 9449 | /* Get the buffer. */ | ||||||
| 9450 | tvb_memcpy(tvb, rekey_data->domain, start_offset, rekey_data->domain_length); | ||||||
| 9451 | } | ||||||
| 9452 | } | ||||||
| 9453 | else | ||||||
| 9454 | { | ||||||
| 9455 | /* The domain is not present, but this is a secure packet and so the domain can be obtained | ||||||
| 9456 | * through the session. | ||||||
| 9457 | */ | ||||||
| 9458 | if (!rekey_data->domain) | ||||||
| 9459 | { | ||||||
| 9460 | rekey_data->domain_length = api_data->secure_session->domain_length; | ||||||
| 9461 | rekey_data->domain = api_data->secure_session->domain; | ||||||
| 9462 | } | ||||||
| 9463 | } | ||||||
| 9464 | |||||||
| 9465 | /* FALL THROUGH */ | ||||||
| 9466 | |||||||
| 9467 | case TEP_PDU_REQUEST(1): | ||||||
| 9468 | |||||||
| 9469 | /* Remember the current request. */ | ||||||
| 9470 | rekey_data = (tep_rekey_data *)packet->opid_data; | ||||||
| 9471 | if (!rekey_data) | ||||||
| 9472 | { | ||||||
| 9473 | if (api_data->secure_session == NULL((void*)0)) | ||||||
| 9474 | { | ||||||
| 9475 | /* TODO: Output error. */ | ||||||
| 9476 | return 0; | ||||||
| 9477 | } | ||||||
| 9478 | packet->opid_data = rekey_data = wmem_new0(wmem_file_scope(), tep_rekey_data)((tep_rekey_data*)wmem_alloc0((wmem_file_scope()), sizeof(tep_rekey_data ))); | ||||||
| 9479 | rekey_data->domain_length = api_data->secure_session->domain_length; | ||||||
| 9480 | rekey_data->domain = api_data->secure_session->domain; | ||||||
| 9481 | } | ||||||
| 9482 | |||||||
| 9483 | /* The C bit must be clear, so there is an Initiator Block. */ | ||||||
| 9484 | { | ||||||
| 9485 | dof_2008_16_security_6_1 response; | ||||||
| 9486 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_6_1, tvb, pinfo, tep_tree, | ||||||
| 9487 | offset, hf_tep_2_1_initiator_block, ett_tep_2_1_initiator_block, &response); | ||||||
| 9488 | if (!packet->processed) | ||||||
| 9489 | { | ||||||
| 9490 | tvbuff_t *inonce = response.i_nonce; | ||||||
| 9491 | tvbuff_t *iidentity = response.i_identity; | ||||||
| 9492 | |||||||
| 9493 | rekey_data->i_nonce_length = tvb_reported_length(inonce); | ||||||
| 9494 | rekey_data->i_nonce = (uint8_t *)wmem_alloc0(wmem_file_scope(), rekey_data->i_nonce_length); | ||||||
| 9495 | tvb_memcpy(inonce, rekey_data->i_nonce, 0, rekey_data->i_nonce_length); | ||||||
| 9496 | |||||||
| 9497 | rekey_data->i_identity_length = tvb_reported_length(iidentity); | ||||||
| 9498 | rekey_data->i_identity = (uint8_t *)wmem_alloc0(wmem_file_scope(), rekey_data->i_identity_length); | ||||||
| 9499 | tvb_memcpy(iidentity, rekey_data->i_identity, 0, rekey_data->i_identity_length); | ||||||
| 9500 | |||||||
| 9501 | rekey_data->security_mode = response.security_mode; | ||||||
| 9502 | rekey_data->security_mode_data_length = response.security_mode_data_length; | ||||||
| 9503 | rekey_data->security_mode_data = response.security_mode_data; | ||||||
| 9504 | } | ||||||
| 9505 | } | ||||||
| 9506 | break; | ||||||
| 9507 | |||||||
| 9508 | case TEP_PDU_ACCEPT((0x80)|(1)): | ||||||
| 9509 | { | ||||||
| 9510 | uint32_t ssid = 0; | ||||||
| 9511 | uint8_t *S = NULL((void*)0); | ||||||
| 9512 | unsigned S_length = 0; | ||||||
| 9513 | uint8_t confirmation[32]; | ||||||
| 9514 | typedef struct identity_key | ||||||
| 9515 | { | ||||||
| 9516 | uint8_t *session_key; | ||||||
| 9517 | struct identity_key *next; | ||||||
| 9518 | } identity_key; | ||||||
| 9519 | identity_key *identity_key_list = NULL((void*)0); | ||||||
| 9520 | dof_secure_session_data *dof_secure_session = NULL((void*)0); | ||||||
| 9521 | |||||||
| 9522 | if (!packet->opid_first) | ||||||
| 9523 | { | ||||||
| 9524 | /* TODO: Print error */ | ||||||
| 9525 | return 0; | ||||||
| 9526 | } | ||||||
| 9527 | |||||||
| 9528 | rekey_data = (tep_rekey_data *)packet->opid_first->opid_data; | ||||||
| 9529 | if (!rekey_data) | ||||||
| 9530 | return tvb_captured_length(tvb); | ||||||
| 9531 | |||||||
| 9532 | /* Initiator Ticket */ | ||||||
| 9533 | { | ||||||
| 9534 | int start_offset; | ||||||
| 9535 | uint8_t ticket[64]; | ||||||
| 9536 | |||||||
| 9537 | start_offset = offset; | ||||||
| 9538 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_5, tvb, pinfo, tep_tree, | ||||||
| 9539 | offset, hf_tep_2_2_initiator_ticket, ett_tep_2_2_initiator_ticket, NULL((void*)0)); | ||||||
| 9540 | |||||||
| 9541 | if (!packet->processed) | ||||||
| 9542 | { | ||||||
| 9543 | int i; | ||||||
| 9544 | |||||||
| 9545 | /* Produce a (possibly empty) list of potential keys based on our | ||||||
| 9546 | * initiator secrets based on identity. These will be validated | ||||||
| 9547 | * later on. | ||||||
| 9548 | */ | ||||||
| 9549 | for (i = 0; i < globals.global_security->identity_data_count; i++) | ||||||
| 9550 | { | ||||||
| 9551 | dof_identity_data *identity = globals.global_security->identity_data + i; | ||||||
| 9552 | gcry_cipher_hd_t rijndael_handle; | ||||||
| 9553 | int j; | ||||||
| 9554 | |||||||
| 9555 | if (identity->domain_length != rekey_data->domain_length) | ||||||
| 9556 | continue; | ||||||
| 9557 | if (memcmp(identity->domain, rekey_data->domain, identity->domain_length) != 0) | ||||||
| 9558 | continue; | ||||||
| 9559 | if (identity->identity_length != rekey_data->i_identity_length) | ||||||
| 9560 | continue; | ||||||
| 9561 | if (memcmp(identity->identity, rekey_data->i_identity, identity->identity_length) != 0) | ||||||
| 9562 | continue; | ||||||
| 9563 | |||||||
| 9564 | tvb_memcpy(tvb, ticket, start_offset, 64); | ||||||
| 9565 | |||||||
| 9566 | if (!gcry_cipher_open(&rijndael_handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_ECB, 0)) { | ||||||
| 9567 | if (!gcry_cipher_setkey(rijndael_handle, identity->secret, 32)) { | ||||||
| 9568 | gcry_cipher_encrypt(rijndael_handle, ticket, 16, NULL((void*)0), 0); | ||||||
| 9569 | gcry_cipher_encrypt(rijndael_handle, ticket + 16, 16, NULL((void*)0), 0); | ||||||
| 9570 | } | ||||||
| 9571 | gcry_cipher_close(rijndael_handle); | ||||||
| 9572 | } | ||||||
| 9573 | |||||||
| 9574 | for (j = 0; j < 32; j++) | ||||||
| 9575 | ticket[j + 32] = ticket[j + 32] ^ ticket[j]; | ||||||
| 9576 | |||||||
| 9577 | /* Add the key to the list - ep memory. */ | ||||||
| 9578 | { | ||||||
| 9579 | identity_key *key = (identity_key *)wmem_alloc0(wmem_file_scope(), sizeof(*key)); | ||||||
| 9580 | key->session_key = (uint8_t *)wmem_alloc0(wmem_file_scope(), 32); | ||||||
| 9581 | memcpy(key->session_key, ticket + 32, 32); | ||||||
| 9582 | key->next = identity_key_list; | ||||||
| 9583 | identity_key_list = key; | ||||||
| 9584 | } | ||||||
| 9585 | } | ||||||
| 9586 | } | ||||||
| 9587 | } | ||||||
| 9588 | |||||||
| 9589 | /* Ticket Confirmation */ | ||||||
| 9590 | { | ||||||
| 9591 | if (!packet->processed) | ||||||
| 9592 | tvb_memcpy(tvb, confirmation, offset, sizeof(confirmation)); | ||||||
| 9593 | proto_tree_add_item(tep_tree, hf_tep_2_2_ticket_confirmation, tvb, offset, 32, ENC_NA0x00000000); | ||||||
| 9594 | offset += 32; | ||||||
| 9595 | } | ||||||
| 9596 | |||||||
| 9597 | /* Responder Initialization - present based on whether the command was a rekey */ | ||||||
| 9598 | { | ||||||
| 9599 | |||||||
| 9600 | if (rekey_data->is_rekey) | ||||||
| 9601 | { | ||||||
| 9602 | int block_length; | ||||||
| 9603 | tvbuff_t *start = tvb_new_subset_remaining(tvb, offset); | ||||||
| 9604 | ti = proto_tree_add_item(tep_tree, hf_tep_2_2_responder_initialization, tvb, offset, 0, ENC_NA0x00000000); | ||||||
| 9605 | ti = proto_item_add_subtree(ti, ett_tep_2_2_responder_initialization); | ||||||
| 9606 | block_length = dissect_2008_4_tep_2_2_1(start, pinfo, ti, &ssid, data); | ||||||
| 9607 | proto_item_set_len(ti, block_length); | ||||||
| 9608 | offset += block_length; | ||||||
| 9609 | |||||||
| 9610 | if (!packet->processed) | ||||||
| 9611 | { | ||||||
| 9612 | if (block_length > 0) | ||||||
| 9613 | { | ||||||
| 9614 | S_length = (unsigned)block_length; | ||||||
| 9615 | S = (uint8_t *)wmem_alloc0(wmem_file_scope(), S_length); | ||||||
| 9616 | tvb_memcpy(start, S, 0, S_length); | ||||||
| 9617 | } | ||||||
| 9618 | } | ||||||
| 9619 | |||||||
| 9620 | /* TEP can create new sessions when not used inside an existing secure | ||||||
| 9621 | * session. Each session can use an SSID, present in TEP.2.2.1. | ||||||
| 9622 | * Note that in this case there may be no existing session, and so | ||||||
| 9623 | * we need to "backpedal" and create one. | ||||||
| 9624 | */ | ||||||
| 9625 | if (packet->decrypted_buffer == NULL((void*)0) && !packet->processed) | ||||||
| 9626 | { | ||||||
| 9627 | #if 0 | ||||||
| 9628 | if (api_data->session) | ||||||
| 9629 | tep_session = (tep_session_data*)dof_session_get_proto_data((dof_session_data*)api_data->session, proto_tep); | ||||||
| 9630 | if (!tep_session && api_data->session) | ||||||
| 9631 | { | ||||||
| 9632 | tep_session = (tep_session_data*)se_alloc0(sizeof(*tep_session)); | ||||||
| 9633 | dof_session_add_proto_data((dof_session_data*)api_data->session, proto_tep, tep_session); | ||||||
| 9634 | } | ||||||
| 9635 | |||||||
| 9636 | tep_session->pending_rekey = cmd; | ||||||
| 9637 | tep_session->pending_confirm = packet; | ||||||
| 9638 | #endif | ||||||
| 9639 | } | ||||||
| 9640 | } | ||||||
| 9641 | } | ||||||
| 9642 | |||||||
| 9643 | /* Responder Block */ | ||||||
| 9644 | { | ||||||
| 9645 | dof_2008_16_security_6_2 response; | ||||||
| 9646 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_6_2, tvb, pinfo, tep_tree, | ||||||
| 9647 | offset, hf_tep_2_2_responder_block, ett_tep_2_2_responder_block, &response); | ||||||
| 9648 | if (!packet->processed) | ||||||
| 9649 | { | ||||||
| 9650 | tvbuff_t *rnonce = response.r_nonce; | ||||||
| 9651 | tvbuff_t *ridentity = response.r_identity; | ||||||
| 9652 | |||||||
| 9653 | rekey_data->r_nonce_length = tvb_reported_length(rnonce); | ||||||
| 9654 | rekey_data->r_nonce = (uint8_t *)wmem_alloc0(wmem_file_scope(), rekey_data->r_nonce_length); | ||||||
| 9655 | tvb_memcpy(rnonce, rekey_data->r_nonce, 0, rekey_data->r_nonce_length); | ||||||
| 9656 | |||||||
| 9657 | rekey_data->r_identity_length = tvb_reported_length(ridentity); | ||||||
| 9658 | rekey_data->r_identity = (uint8_t *)wmem_alloc0(wmem_file_scope(), rekey_data->r_identity_length); | ||||||
| 9659 | tvb_memcpy(ridentity, rekey_data->r_identity, 0, rekey_data->r_identity_length); | ||||||
| 9660 | } | ||||||
| 9661 | } | ||||||
| 9662 | |||||||
| 9663 | /* Authentication Initialization */ | ||||||
| 9664 | { | ||||||
| 9665 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_6_3, tvb, pinfo, tep_tree, | ||||||
| 9666 | offset, hf_tep_2_2_authenticator_initialization, ett_tep_2_2_authenticator_initialization, NULL((void*)0)); | ||||||
| 9667 | } | ||||||
| 9668 | |||||||
| 9669 | |||||||
| 9670 | /* The request was accepted, and so a new secure session exists. We define the session, | ||||||
| 9671 | * add it to the list of secure sessions for the unsecure session, and EPP will do the | ||||||
| 9672 | * rest. | ||||||
| 9673 | */ | ||||||
| 9674 | if (packet->decrypted_buffer == NULL((void*)0)) | ||||||
| 9675 | { | ||||||
| 9676 | /* This triggers the creation of the corresponding secure DPS session if it is not already | ||||||
| 9677 | * created. This allows information to be stored in that session even though no packets | ||||||
| 9678 | * have used it yet. There is a problem, however, because at this point we do not know | ||||||
| 9679 | * the SSID that (may) be associated with this session. | ||||||
| 9680 | */ | ||||||
| 9681 | { | ||||||
| 9682 | dof_session_data *dof_session = api_data->session; | ||||||
| 9683 | |||||||
| 9684 | dof_secure_session = dof_session->secure_sessions; | ||||||
| 9685 | while (dof_secure_session != NULL((void*)0)) | ||||||
| 9686 | { | ||||||
| 9687 | /* Determine matching session. The session list already is scoped by transport and DPS | ||||||
| 9688 | * session, so the only thing remaining is the domain and secure session ID. | ||||||
| 9689 | */ | ||||||
| 9690 | if ((dof_secure_session->ssid == ssid) && | ||||||
| 9691 | (dof_secure_session->domain_length == rekey_data->domain_length) && | ||||||
| 9692 | (memcmp(dof_secure_session->domain, rekey_data->domain, rekey_data->domain_length) == 0)) | ||||||
| 9693 | break; | ||||||
| 9694 | |||||||
| 9695 | dof_secure_session = dof_secure_session->next; | ||||||
| 9696 | } | ||||||
| 9697 | |||||||
| 9698 | if (!dof_secure_session) | ||||||
| 9699 | { | ||||||
| 9700 | dof_session = wmem_new0(wmem_file_scope(), dof_session_data)((dof_session_data*)wmem_alloc0((wmem_file_scope()), sizeof(dof_session_data ))); | ||||||
| 9701 | dof_session->session_id = globals.next_session++; | ||||||
| 9702 | dof_session->dof_id = api_data->session->dof_id; | ||||||
| 9703 | |||||||
| 9704 | dof_secure_session = wmem_new0(wmem_file_scope(), dof_secure_session_data)((dof_secure_session_data*)wmem_alloc0((wmem_file_scope()), sizeof (dof_secure_session_data))); | ||||||
| 9705 | dof_secure_session->ssid = ssid; | ||||||
| 9706 | dof_secure_session->domain_length = rekey_data->domain_length; | ||||||
| 9707 | dof_secure_session->domain = rekey_data->domain; | ||||||
| 9708 | dof_secure_session->original_session_id = api_data->session->session_id; | ||||||
| 9709 | dof_secure_session->parent = dof_session; | ||||||
| 9710 | dof_secure_session->is_2_node = true1; | ||||||
| 9711 | dof_secure_session->next = api_data->session->secure_sessions; | ||||||
| 9712 | api_data->session->secure_sessions = dof_secure_session; | ||||||
| 9713 | |||||||
| 9714 | if (!dof_secure_session->session_security_data_last) | ||||||
| 9715 | dof_secure_session->session_security_data = rekey_data->key_data; | ||||||
| 9716 | else | ||||||
| 9717 | dof_secure_session->session_security_data_last->next = rekey_data->key_data; | ||||||
| 9718 | |||||||
| 9719 | dof_secure_session->session_security_data_last = rekey_data->key_data; | ||||||
| 9720 | } | ||||||
| 9721 | } | ||||||
| 9722 | } | ||||||
| 9723 | |||||||
| 9724 | /* This PDU indicates the beginning of security for the responder. The next PDU | ||||||
| 9725 | * sent will be encrypted with these settings. This means that we must determine | ||||||
| 9726 | * the security settings and set them in the session. | ||||||
| 9727 | */ | ||||||
| 9728 | if (!packet->processed && rekey_data->is_rekey) | ||||||
| 9729 | { | ||||||
| 9730 | int i; | ||||||
| 9731 | uint8_t *session_key = NULL((void*)0); | ||||||
| 9732 | |||||||
| 9733 | /* We have everything that we need. Determine the session secret if we can. */ | ||||||
| 9734 | |||||||
| 9735 | /* Check any keys determined above by initiator identity. */ | ||||||
| 9736 | while (session_key == NULL((void*)0) && identity_key_list) | ||||||
| 9737 | { | ||||||
| 9738 | if (validate_session_key(rekey_data, S_length, S, confirmation, identity_key_list->session_key)) | ||||||
| 9739 | { | ||||||
| 9740 | session_key = (uint8_t *)wmem_alloc0(wmem_file_scope(), 32); | ||||||
| 9741 | memcpy(session_key, identity_key_list->session_key, 32); | ||||||
| 9742 | } | ||||||
| 9743 | |||||||
| 9744 | identity_key_list = identity_key_list->next; | ||||||
| 9745 | } | ||||||
| 9746 | |||||||
| 9747 | /* For each key in the global configuration, see if we can validate the confirmation. */ | ||||||
| 9748 | for (i = 0; session_key == NULL((void*)0) && i < globals.global_security->session_key_count; i++) | ||||||
| 9749 | { | ||||||
| 9750 | if (validate_session_key(rekey_data, S_length, S, confirmation, globals.global_security->session_key[i].session_key)) | ||||||
| 9751 | session_key = globals.global_security->session_key[i].session_key; | ||||||
| 9752 | } | ||||||
| 9753 | |||||||
| 9754 | |||||||
| 9755 | /* Whether or not this can be decrypted, the security mode information | ||||||
| 9756 | * should be kept with the session. | ||||||
| 9757 | */ | ||||||
| 9758 | { | ||||||
| 9759 | rekey_data->key_data->r_valid = packet->dof_frame; | ||||||
| 9760 | rekey_data->key_data->i_valid = UINT32_MAX(4294967295U); | ||||||
| 9761 | rekey_data->key_data->session_key = session_key; | ||||||
| 9762 | rekey_data->key_data->security_mode = rekey_data->security_mode; | ||||||
| 9763 | rekey_data->key_data->security_mode_data_length = rekey_data->security_mode_data_length; | ||||||
| 9764 | rekey_data->key_data->security_mode_data = rekey_data->security_mode_data; | ||||||
| 9765 | |||||||
| 9766 | if (session_key && dof_secure_session) | ||||||
| 9767 | { | ||||||
| 9768 | /* Look up the field-dissector table, and determine if it is registered. */ | ||||||
| 9769 | dissector_table_t field_dissector = find_dissector_table("dof.secmode"); | ||||||
| 9770 | if (field_dissector != NULL((void*)0)) | ||||||
| 9771 | { | ||||||
| 9772 | dissector_handle_t field_handle = dissector_get_uint_handle(field_dissector, rekey_data->key_data->security_mode); | ||||||
| 9773 | if (field_handle != NULL((void*)0)) | ||||||
| 9774 | { | ||||||
| 9775 | dof_secmode_api_data setup_data; | ||||||
| 9776 | |||||||
| 9777 | setup_data.context = INITIALIZE; | ||||||
| 9778 | setup_data.security_mode_offset = 0; | ||||||
| 9779 | setup_data.dof_api = api_data; | ||||||
| 9780 | setup_data.secure_session = dof_secure_session; | ||||||
| 9781 | setup_data.session_key_data = rekey_data->key_data; | ||||||
| 9782 | |||||||
| 9783 | call_dissector_only(field_handle, NULL((void*)0), pinfo, NULL((void*)0), &setup_data); | ||||||
| 9784 | } | ||||||
| 9785 | } | ||||||
| 9786 | } | ||||||
| 9787 | } | ||||||
| 9788 | } | ||||||
| 9789 | |||||||
| 9790 | /* Add a field to show the session key that has been learned (in this | ||||||
| 9791 | * pass or an earlier one). | ||||||
| 9792 | */ | ||||||
| 9793 | if (rekey_data->key_data && rekey_data->key_data->session_key && tep_tree) | ||||||
| 9794 | { | ||||||
| 9795 | ti = proto_tree_add_bytes_with_length(tree, hf_tep_session_key, tvb, 0, 0, rekey_data->key_data->session_key, 32); | ||||||
| 9796 | proto_item_set_generated(ti); | ||||||
| 9797 | } | ||||||
| 9798 | } | ||||||
| 9799 | break; | ||||||
| 9800 | |||||||
| 9801 | case TEP_PDU_CONFIRM((0x20)|(1)): | ||||||
| 9802 | { | ||||||
| 9803 | /* C is set, K is clear. */ | ||||||
| 9804 | /* Ticket Confirmation */ | ||||||
| 9805 | proto_tree_add_item(tep_tree, hf_tep_2_1_ticket_confirmation, tvb, offset, 32, ENC_NA0x00000000); | ||||||
| 9806 | offset += 32; | ||||||
| 9807 | |||||||
| 9808 | if (!packet->processed && api_data->session && packet->opid_first && packet->opid_first->opid_data) | ||||||
| 9809 | { | ||||||
| 9810 | dof_session_key_exchange_data *sk_data; | ||||||
| 9811 | |||||||
| 9812 | rekey_data = (tep_rekey_data *)packet->opid_first->opid_data; | ||||||
| 9813 | sk_data = rekey_data->key_data; | ||||||
| 9814 | |||||||
| 9815 | /* TODO: Error if not found or if already set. */ | ||||||
| 9816 | if (sk_data) | ||||||
| 9817 | sk_data->i_valid = packet->dof_frame; | ||||||
| 9818 | } | ||||||
| 9819 | } | ||||||
| 9820 | break; | ||||||
| 9821 | |||||||
| 9822 | case TEP_PDU_END_SESSION(5): | ||||||
| 9823 | case TEP_PDU_SESSION_ENDING(6): | ||||||
| 9824 | break; | ||||||
| 9825 | |||||||
| 9826 | case TEP_PDU_REJECT((0x80)|0): | ||||||
| 9827 | { | ||||||
| 9828 | /* Error Code */ | ||||||
| 9829 | proto_tree_add_item(tep_tree, hf_tep_reject_code, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 9830 | offset += 1; | ||||||
| 9831 | |||||||
| 9832 | /* Error Description */ | ||||||
| 9833 | if (tvb_captured_length(tvb) > offset) | ||||||
| 9834 | proto_tree_add_item(tep_tree, hf_tep_reject_data, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 9835 | } | ||||||
| 9836 | break; | ||||||
| 9837 | |||||||
| 9838 | default: | ||||||
| 9839 | break; | ||||||
| 9840 | } | ||||||
| 9841 | return offset; | ||||||
| 9842 | } | ||||||
| 9843 | |||||||
| 9844 | static int dissect_trp_dsp(tvbuff_t *tvb, packet_info *pinfo _U___attribute__((unused)), proto_tree *tree, void *data _U___attribute__((unused))) | ||||||
| 9845 | { | ||||||
| 9846 | /* We are handed a buffer that starts with our protocol id. Any options follow that. */ | ||||||
| 9847 | unsigned offset = 0; | ||||||
| 9848 | |||||||
| 9849 | /* We don't care except for the treeview. */ | ||||||
| 9850 | if (!tree) | ||||||
| 9851 | return 0; | ||||||
| 9852 | |||||||
| 9853 | /* Compute the version and flags, masking off other bits. */ | ||||||
| 9854 | offset += 4; /* Skip the type and protocol. */ | ||||||
| 9855 | |||||||
| 9856 | proto_tree_add_item(tree, hf_trp_dsp_option, tvb, 0, -1, ENC_NA0x00000000); | ||||||
| 9857 | return offset; | ||||||
| 9858 | } | ||||||
| 9859 | |||||||
| 9860 | static int dissect_trp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) | ||||||
| 9861 | { | ||||||
| 9862 | dof_api_data *api_data = (dof_api_data *)data; | ||||||
| 9863 | dof_packet_data *packet_data; | ||||||
| 9864 | unsigned offset = 0; | ||||||
| 9865 | uint8_t opcode; | ||||||
| 9866 | uint16_t app; | ||||||
| 9867 | int app_len; | ||||||
| 9868 | proto_item *ti; | ||||||
| 9869 | proto_tree *trp_tree; | ||||||
| 9870 | trp_packet_data *trp_data; | ||||||
| 9871 | |||||||
| 9872 | /* Make entries in Protocol column and Info column on summary display */ | ||||||
| 9873 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "TRP "); | ||||||
| 9874 | |||||||
| 9875 | /* Create the protocol tree. */ | ||||||
| 9876 | offset = 0; | ||||||
| 9877 | ti = proto_tree_add_item(tree, proto_trp, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 9878 | trp_tree = proto_item_add_subtree(ti, ett_trp); | ||||||
| 9879 | |||||||
| 9880 | /* Add the APPID. */ | ||||||
| 9881 | offset = read_c2(tvb, offset, &app, &app_len); | ||||||
| 9882 | ti = proto_tree_add_uint(trp_tree, hf_2008_1_app_version, tvb, 0, app_len, app); | ||||||
| 9883 | validate_c2(pinfo, ti, app, app_len); | ||||||
| 9884 | |||||||
| 9885 | if (api_data == NULL((void*)0)) | ||||||
| 9886 | { | ||||||
| 9887 | expert_add_info_format(pinfo, ti, &ei_malformed, "api_data == NULL"); | ||||||
| 9888 | return offset; | ||||||
| 9889 | } | ||||||
| 9890 | |||||||
| 9891 | packet_data = api_data->packet; | ||||||
| 9892 | if (packet_data == NULL((void*)0)) | ||||||
| 9893 | { | ||||||
| 9894 | expert_add_info_format(pinfo, ti, &ei_malformed, "api_data == NULL"); | ||||||
| 9895 | return offset; | ||||||
| 9896 | } | ||||||
| 9897 | |||||||
| 9898 | trp_data = (trp_packet_data *)dof_packet_get_proto_data(packet_data, proto_trp); | ||||||
| 9899 | |||||||
| 9900 | if (offset == tvb_captured_length(tvb)) | ||||||
| 9901 | { | ||||||
| 9902 | col_append_str(pinfo->cinfo, COL_INFO, "TRP [nop]"); | ||||||
| 9903 | expert_add_info(pinfo, trp_tree, &ei_implicit_no_op); | ||||||
| 9904 | |||||||
| 9905 | return offset; | ||||||
| 9906 | } | ||||||
| 9907 | |||||||
| 9908 | /* Retrieve the opcode. */ | ||||||
| 9909 | opcode = tvb_get_uint8(tvb, offset); | ||||||
| 9910 | if (!packet_data->is_command) | ||||||
| 9911 | opcode |= TRP_RESPONSE(0x80); | ||||||
| 9912 | |||||||
| 9913 | col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(pinfo->pool, opcode, trp_opcode_strings, "Unknown Opcode (%d)")); | ||||||
| 9914 | |||||||
| 9915 | /* Opcode */ | ||||||
| 9916 | ti = proto_tree_add_uint_format(trp_tree, hf_trp_opcode, tvb, offset, 1, opcode & 0x7F, "Opcode: %s (%u)", val_to_str(pinfo->pool, opcode, trp_opcode_strings, "Unknown Opcode (%d)"), opcode & 0x7F); | ||||||
| 9917 | offset += 1; | ||||||
| 9918 | |||||||
| 9919 | switch (opcode) | ||||||
| 9920 | { | ||||||
| 9921 | case TRP_RSP_REJECT((0x80)|0): | ||||||
| 9922 | { | ||||||
| 9923 | /* Error Code */ | ||||||
| 9924 | proto_tree_add_item(trp_tree, hf_trp_errorcode, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 9925 | offset += 1; | ||||||
| 9926 | } | ||||||
| 9927 | break; | ||||||
| 9928 | |||||||
| 9929 | case TRP_CMD_REQUEST_KEK(1): | ||||||
| 9930 | { | ||||||
| 9931 | uint8_t *domain_buf = NULL((void*)0); | ||||||
| 9932 | unsigned domain_length = 0; | ||||||
| 9933 | int start_offset; | ||||||
| 9934 | |||||||
| 9935 | /* Domain - Security.7 */ | ||||||
| 9936 | start_offset = offset; | ||||||
| 9937 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_7, tvb, pinfo, trp_tree, offset, hf_domain, ett_domain, NULL((void*)0)); | ||||||
| 9938 | if (!packet_data->processed) | ||||||
| 9939 | { | ||||||
| 9940 | domain_length = dof_consumed_length(offset, start_offset); | ||||||
| 9941 | domain_buf = (uint8_t *)wmem_alloc0(wmem_file_scope(), domain_length); | ||||||
| 9942 | tvb_memcpy(tvb, domain_buf, start_offset, domain_length); | ||||||
| 9943 | } | ||||||
| 9944 | |||||||
| 9945 | /* Initiator Block - TRP.4.1.1 */ | ||||||
| 9946 | { | ||||||
| 9947 | dof_2008_16_security_4 response; | ||||||
| 9948 | trp_packet_data *trp_pkt_data = NULL((void*)0); | ||||||
| 9949 | |||||||
| 9950 | start_offset = offset; | ||||||
| 9951 | |||||||
| 9952 | /* Initiator Key Request - Security.4 */ | ||||||
| 9953 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_4, tvb, pinfo, trp_tree, | ||||||
| 9954 | offset, hf_initiator_request, ett_initiator_request, &response); | ||||||
| 9955 | if (!packet_data->processed) | ||||||
| 9956 | { | ||||||
| 9957 | tvbuff_t *identity = response.identity; | ||||||
| 9958 | unsigned identity_length = tvb_reported_length(identity); | ||||||
| 9959 | uint8_t *identity_buf = (uint8_t *)wmem_alloc0(pinfo->pool, identity_length); | ||||||
| 9960 | int i; | ||||||
| 9961 | |||||||
| 9962 | /* Get the buffer. */ | ||||||
| 9963 | tvb_memcpy(identity, identity_buf, 0, identity_length); | ||||||
| 9964 | |||||||
| 9965 | /* Check to see if there is a matching identity. */ | ||||||
| 9966 | for (i = 0; i < globals.global_security->identity_data_count; i++) | ||||||
| 9967 | { | ||||||
| 9968 | dof_identity_data *gidentity = globals.global_security->identity_data + i; | ||||||
| 9969 | |||||||
| 9970 | if (domain_length != gidentity->domain_length || | ||||||
| 9971 | memcmp(domain_buf, gidentity->domain, domain_length) != 0) | ||||||
| 9972 | continue; | ||||||
| 9973 | |||||||
| 9974 | if (identity_length == gidentity->identity_length && | ||||||
| 9975 | memcmp(identity_buf, gidentity->identity, identity_length) == 0) | ||||||
| 9976 | { | ||||||
| 9977 | trp_pkt_data = wmem_new0(wmem_file_scope(), trp_packet_data)((trp_packet_data*)wmem_alloc0((wmem_file_scope()), sizeof(trp_packet_data ))); | ||||||
| 9978 | dof_packet_add_proto_data(packet_data, proto_trp, trp_pkt_data); | ||||||
| 9979 | |||||||
| 9980 | trp_pkt_data->domain_length = domain_length; | ||||||
| 9981 | trp_pkt_data->domain = (uint8_t *)wmem_alloc0(wmem_file_scope(), domain_length); | ||||||
| 9982 | memcpy(trp_pkt_data->domain, domain_buf, domain_length); | ||||||
| 9983 | |||||||
| 9984 | trp_pkt_data->identity_length = identity_length; | ||||||
| 9985 | trp_pkt_data->identity = (uint8_t *)wmem_alloc0(wmem_file_scope(), identity_length); | ||||||
| 9986 | memcpy(trp_pkt_data->identity, identity_buf, identity_length); | ||||||
| 9987 | |||||||
| 9988 | trp_pkt_data->secret = gidentity->secret; | ||||||
| 9989 | } | ||||||
| 9990 | } | ||||||
| 9991 | } | ||||||
| 9992 | |||||||
| 9993 | /* The initiator is in the identity table (found now or in an | ||||||
| 9994 | * earlier pass). | ||||||
| 9995 | */ | ||||||
| 9996 | if (trp_pkt_data || (trp_data && trp_data->identity_length)) | ||||||
| 9997 | expert_add_info(pinfo, ti, &ei_trp_initiator_id_known); | ||||||
| 9998 | |||||||
| 9999 | /* Group Identifier - Security.8 */ | ||||||
| 10000 | { | ||||||
| 10001 | int gid_start = offset; | ||||||
| 10002 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_8, tvb, pinfo, trp_tree, | ||||||
| 10003 | offset, hf_group_identifier, ett_group_identifier, NULL((void*)0)); | ||||||
| 10004 | |||||||
| 10005 | if (trp_pkt_data) | ||||||
| 10006 | { | ||||||
| 10007 | trp_pkt_data->group_length = dof_consumed_length(offset, gid_start); | ||||||
| 10008 | trp_pkt_data->group = (uint8_t *)wmem_alloc0(wmem_file_scope(), trp_pkt_data->group_length); | ||||||
| 10009 | tvb_memcpy(tvb, trp_pkt_data->group, gid_start, trp_pkt_data->group_length); | ||||||
| 10010 | } | ||||||
| 10011 | } | ||||||
| 10012 | |||||||
| 10013 | if (trp_pkt_data) | ||||||
| 10014 | { | ||||||
| 10015 | /* We need to store the entire block_I for later use. */ | ||||||
| 10016 | trp_pkt_data->block_I_length = dof_consumed_length(offset, start_offset); | ||||||
| 10017 | trp_pkt_data->block_I = (uint8_t *)wmem_alloc0(wmem_file_scope(), trp_pkt_data->block_I_length); | ||||||
| 10018 | tvb_memcpy(tvb, trp_pkt_data->block_I, start_offset, trp_pkt_data->block_I_length); | ||||||
| 10019 | } | ||||||
| 10020 | } | ||||||
| 10021 | } | ||||||
| 10022 | break; | ||||||
| 10023 | |||||||
| 10024 | case TRP_RSP_REQUEST_KEK((0x80)|(1)): | ||||||
| 10025 | { | ||||||
| 10026 | int start_offset; | ||||||
| 10027 | uint32_t ssid; | ||||||
| 10028 | uint8_t *mode; | ||||||
| 10029 | unsigned mode_length; | ||||||
| 10030 | uint8_t *block_A; | ||||||
| 10031 | unsigned block_A_length; | ||||||
| 10032 | |||||||
| 10033 | if (trp_data && trp_data->kek_known) | ||||||
| 10034 | { | ||||||
| 10035 | expert_add_info(pinfo, ti, &ei_trp_kek_discovered); | ||||||
| 10036 | } | ||||||
| 10037 | |||||||
| 10038 | /* Initiator Ticket - Security.5 */ | ||||||
| 10039 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_5, tvb, pinfo, trp_tree, | ||||||
| 10040 | offset, hf_initiator_ticket, ett_initiator_ticket, NULL((void*)0)); | ||||||
| 10041 | |||||||
| 10042 | /* Initialization Block - TRP.4.2.1 */ | ||||||
| 10043 | /* A BLOCK */ | ||||||
| 10044 | { | ||||||
| 10045 | start_offset = offset; | ||||||
| 10046 | |||||||
| 10047 | /* THB */ | ||||||
| 10048 | { | ||||||
| 10049 | proto_tree_add_item(trp_tree, hf_thb, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 10050 | offset += 1; | ||||||
| 10051 | } | ||||||
| 10052 | |||||||
| 10053 | /* TMIN */ | ||||||
| 10054 | { | ||||||
| 10055 | proto_tree_add_item(trp_tree, hf_tmin, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 10056 | offset += 1; | ||||||
| 10057 | } | ||||||
| 10058 | |||||||
| 10059 | /* TMAX */ | ||||||
| 10060 | { | ||||||
| 10061 | proto_tree_add_item(trp_tree, hf_tmax, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 10062 | offset += 1; | ||||||
| 10063 | } | ||||||
| 10064 | |||||||
| 10065 | /* Epoch */ | ||||||
| 10066 | { | ||||||
| 10067 | proto_tree_add_item(trp_tree, hf_trp_epoch, tvb, offset, 2, ENC_BIG_ENDIAN0x00000000); | ||||||
| 10068 | offset += 2; | ||||||
| 10069 | } | ||||||
| 10070 | |||||||
| 10071 | /* SIDg - Type.4 */ | ||||||
| 10072 | { | ||||||
| 10073 | offset = dof_dissect_pdu_as_field(dissect_2009_11_type_4, tvb, pinfo, trp_tree, | ||||||
| 10074 | offset, hf_sidg, ett_sidg, NULL((void*)0)); | ||||||
| 10075 | } | ||||||
| 10076 | |||||||
| 10077 | /* Initiator Node Security Scope - Security.10 */ | ||||||
| 10078 | { | ||||||
| 10079 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_10, tvb, pinfo, trp_tree, | ||||||
| 10080 | offset, hf_security_scope, ett_security_scope, NULL((void*)0)); | ||||||
| 10081 | } | ||||||
| 10082 | |||||||
| 10083 | /* Security Mode - Security.13 */ | ||||||
| 10084 | { | ||||||
| 10085 | int mode_start = offset; | ||||||
| 10086 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_13, tvb, pinfo, trp_tree, | ||||||
| 10087 | offset, hf_security_mode, ett_security_mode, NULL((void*)0)); | ||||||
| 10088 | if (!packet_data->processed) | ||||||
| 10089 | { | ||||||
| 10090 | mode_length = dof_consumed_length(offset, mode_start); | ||||||
| 10091 | mode = (uint8_t *)wmem_alloc0(pinfo->pool, mode_length); | ||||||
| 10092 | tvb_memcpy(tvb, mode, mode_start, mode_length); | ||||||
| 10093 | } | ||||||
| 10094 | } | ||||||
| 10095 | |||||||
| 10096 | /* State Identifier - Type.3 */ | ||||||
| 10097 | { | ||||||
| 10098 | int s_offset = offset; | ||||||
| 10099 | int ssid_len; | ||||||
| 10100 | proto_item *pi; | ||||||
| 10101 | offset = read_c4(tvb, offset, &ssid, &ssid_len); | ||||||
| 10102 | ssid |= AS_ASSIGNED_SSID0x40000000; /* TRP SSID are *always* assigned by the AS. */ | ||||||
| 10103 | pi = proto_tree_add_uint_format(trp_tree, hf_ssid, tvb, s_offset, offset - s_offset, ssid, "SSID: %u", ssid); | ||||||
| 10104 | validate_c4(pinfo, pi, ssid, ssid_len); | ||||||
| 10105 | } | ||||||
| 10106 | |||||||
| 10107 | /* PG - Security.2 */ | ||||||
| 10108 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_2, tvb, pinfo, trp_tree, | ||||||
| 10109 | offset, hf_responder_pg, ett_responder_pg, NULL((void*)0)); | ||||||
| 10110 | |||||||
| 10111 | /* Group Validation - Security.11 */ | ||||||
| 10112 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_11, tvb, pinfo, trp_tree, | ||||||
| 10113 | offset, hf_responder_validation, ett_responder_validation, NULL((void*)0)); | ||||||
| 10114 | |||||||
| 10115 | /* Initiator Validation - Security.11 */ | ||||||
| 10116 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_11, tvb, pinfo, trp_tree, | ||||||
| 10117 | offset, hf_initiator_validation, ett_initiator_validation, NULL((void*)0)); | ||||||
| 10118 | |||||||
| 10119 | block_A_length = dof_consumed_length(offset, start_offset); | ||||||
| 10120 | block_A = (uint8_t *)wmem_alloc0(pinfo->pool, block_A_length); | ||||||
| 10121 | tvb_memcpy(tvb, block_A, start_offset, block_A_length); | ||||||
| 10122 | } | ||||||
| 10123 | |||||||
| 10124 | /* Determine the KEK, if possible. This requires that either the initiator node's secret | ||||||
| 10125 | * is known or that the group has been configured. In either case this requires knowledge | ||||||
| 10126 | * from the matching command, including the domain, identity, and group information. | ||||||
| 10127 | */ | ||||||
| 10128 | if (packet_data->opid_first && !packet_data->processed) | ||||||
| 10129 | { | ||||||
| 10130 | #if 0 | ||||||
| 10131 | trp_packet_data* cmd_data = (trp_packet_data*)dof_packet_get_proto_data(packet_data->opid_first, proto_trp); | ||||||
| 10132 | uint8_t mac[32]; | ||||||
| 10133 | extern struct BlockCipher BlockCipher_AES_256; | ||||||
| 10134 | struct BlockCipher* cipher = &BlockCipher_AES_256; | ||||||
| 10135 | uint8_t* ekey = (uint8_t*)ep_alloc(cipher->keyStateSize); | ||||||
| 10136 | |||||||
| 10137 | int i; | ||||||
| 10138 | |||||||
| 10139 | if (cmd_data) | ||||||
| 10140 | { | ||||||
| 10141 | uint8_t kek[32]; | ||||||
| 10142 | |||||||
| 10143 | tvb_memcpy(tvb, mac, mac_offset, 32); | ||||||
| 10144 | tvb_memcpy(tvb, kek, mac_offset + 32, 32); | ||||||
| 10145 | |||||||
| 10146 | if (cipher != NULL((void*)0)) | ||||||
| 10147 | { | ||||||
| 10148 | cipher->GenerateKeyState(ekey, cmd_data->secret); | ||||||
| 10149 | cipher->Encrypt(ekey, mac); | ||||||
| 10150 | cipher->Encrypt(ekey, mac + 16); | ||||||
| 10151 | } | ||||||
| 10152 | |||||||
| 10153 | for (i = 0; i < 32; i++) | ||||||
| 10154 | kek[i] ^= mac[i]; | ||||||
| 10155 | |||||||
| 10156 | { | ||||||
| 10157 | OALSecureHMACContext ctx; | ||||||
| 10158 | OALSecureHMACDigest digest; | ||||||
| 10159 | |||||||
| 10160 | OALSecureHMAC_Start(&ctx, cmd_data->secret); | ||||||
| 10161 | OALSecureHMAC_Digest(&ctx, cmd_data->domain_length, cmd_data->domain); | ||||||
| 10162 | OALSecureHMAC_Digest(&ctx, cmd_data->block_I_length, cmd_data->block_I); | ||||||
| 10163 | OALSecureHMAC_Digest(&ctx, block_A_length, block_A); | ||||||
| 10164 | OALSecureHMAC_Digest(&ctx, 32, kek); | ||||||
| 10165 | OALSecureHMAC_Finish(&ctx, digest); | ||||||
| 10166 | |||||||
| 10167 | tvb_memcpy(tvb, mac, mac_offset, 32); | ||||||
| 10168 | if (memcmp(mac, digest, 32) == 0) | ||||||
| 10169 | { | ||||||
| 10170 | dof_learned_group_data* group = globals.learned_group_data; | ||||||
| 10171 | dof_learned_group_auth_data *auth = NULL((void*)0); | ||||||
| 10172 | |||||||
| 10173 | /* The KEK has been discovered, flag this for output on the PDU. */ | ||||||
| 10174 | if (!trp_data) | ||||||
| 10175 | { | ||||||
| 10176 | trp_data = wmem_alloc0(wmem_file_scope(), sizeof(trp_packet_data)); | ||||||
| 10177 | dof_packet_add_proto_data(packet_data, proto_trp, trp_data); | ||||||
| 10178 | } | ||||||
| 10179 | |||||||
| 10180 | trp_data->kek_known = true1; | ||||||
| 10181 | |||||||
| 10182 | while (group) | ||||||
| 10183 | { | ||||||
| 10184 | if ((cmd_data->domain_length == group->domain_length) && | ||||||
| 10185 | (memcmp(cmd_data->domain, group->domain, group->domain_length) == 0) && | ||||||
| 10186 | (cmd_data->group_length == group->group_length) && | ||||||
| 10187 | (memcmp(cmd_data->group, group->group, group->group_length) == 0) && | ||||||
| 10188 | (ssid == group->ssid)) | ||||||
| 10189 | break; | ||||||
| 10190 | |||||||
| 10191 | group = group->next; | ||||||
| 10192 | } | ||||||
| 10193 | |||||||
| 10194 | if (group == NULL((void*)0)) | ||||||
| 10195 | { | ||||||
| 10196 | group = wmem_alloc0(wmem_file_scope, sizeof(dof_learned_group_data)); | ||||||
| 10197 | group->domain_length = cmd_data->domain_length; | ||||||
| 10198 | group->domain = cmd_data->domain; | ||||||
| 10199 | group->group_length = cmd_data->group_length; | ||||||
| 10200 | group->group = cmd_data->group; | ||||||
| 10201 | group->ssid = ssid; | ||||||
| 10202 | group->next = globals.learned_group_data; | ||||||
| 10203 | globals.learned_group_data = group; | ||||||
| 10204 | } | ||||||
| 10205 | |||||||
| 10206 | auth = group->keys; | ||||||
| 10207 | |||||||
| 10208 | while (auth) | ||||||
| 10209 | { | ||||||
| 10210 | if (epoch == auth->epoch) | ||||||
| 10211 | break; | ||||||
| 10212 | |||||||
| 10213 | auth = auth->next; | ||||||
| 10214 | } | ||||||
| 10215 | |||||||
| 10216 | if (auth == NULL((void*)0)) | ||||||
| 10217 | { | ||||||
| 10218 | auth = wmem_alloc0(wmem_file_scope(), sizeof(dof_learned_group_auth_data)); | ||||||
| 10219 | auth->epoch = epoch; | ||||||
| 10220 | auth->next = group->keys; | ||||||
| 10221 | group->keys = auth; | ||||||
| 10222 | |||||||
| 10223 | auth->kek = (uint8_t*)wmem_alloc0(wmem_file_scope(), 32); | ||||||
| 10224 | memcpy(auth->kek, kek, 32); | ||||||
| 10225 | |||||||
| 10226 | auth->mode_length = mode_length; | ||||||
| 10227 | auth->mode = (uint8_t*)wmem_alloc0(wmem_file_scope(), mode_length); | ||||||
| 10228 | memcpy(auth->mode, mode, mode_length); | ||||||
| 10229 | |||||||
| 10230 | auth->security_mode = (mode[1] * 256) | mode[2]; | ||||||
| 10231 | auth->parent = group; | ||||||
| 10232 | } | ||||||
| 10233 | } | ||||||
| 10234 | } | ||||||
| 10235 | } | ||||||
| 10236 | #endif | ||||||
| 10237 | } | ||||||
| 10238 | } | ||||||
| 10239 | break; | ||||||
| 10240 | |||||||
| 10241 | case TRP_CMD_REQUEST_RANDOM(2): | ||||||
| 10242 | { | ||||||
| 10243 | uint8_t *domain_buf = NULL((void*)0); | ||||||
| 10244 | unsigned domain_length = 0; | ||||||
| 10245 | int start_offset; | ||||||
| 10246 | |||||||
| 10247 | /* Domain - Security.7 */ | ||||||
| 10248 | start_offset = offset; | ||||||
| 10249 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_7, tvb, pinfo, trp_tree, | ||||||
| 10250 | offset, hf_domain, ett_domain, NULL((void*)0)); | ||||||
| 10251 | if (!packet_data->processed) | ||||||
| 10252 | { | ||||||
| 10253 | domain_length = dof_consumed_length(offset, start_offset); | ||||||
| 10254 | domain_buf = (uint8_t *)wmem_alloc0(pinfo->pool, domain_length); | ||||||
| 10255 | tvb_memcpy(tvb, domain_buf, start_offset, domain_length); | ||||||
| 10256 | } | ||||||
| 10257 | |||||||
| 10258 | /* Initiator Block - TRP.6.1.1 */ | ||||||
| 10259 | { | ||||||
| 10260 | dof_2008_16_security_4 response; | ||||||
| 10261 | trp_packet_data *trp_pkt_data = NULL((void*)0); | ||||||
| 10262 | |||||||
| 10263 | start_offset = offset; | ||||||
| 10264 | |||||||
| 10265 | /* Initiator Key Request - Security.4 */ | ||||||
| 10266 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_4, tvb, pinfo, trp_tree, | ||||||
| 10267 | offset, hf_initiator_request, ett_initiator_request, &response); | ||||||
| 10268 | if (!packet_data->processed) | ||||||
| 10269 | { | ||||||
| 10270 | tvbuff_t *identity = response.identity; | ||||||
| 10271 | unsigned identity_length = tvb_reported_length(identity); | ||||||
| 10272 | uint8_t *identity_buf = (uint8_t *)wmem_alloc0(pinfo->pool, identity_length); | ||||||
| 10273 | int i; | ||||||
| 10274 | |||||||
| 10275 | /* Get the buffer. */ | ||||||
| 10276 | tvb_memcpy(identity, identity_buf, 0, identity_length); | ||||||
| 10277 | |||||||
| 10278 | /* Check to see if there is a matching identity. */ | ||||||
| 10279 | for (i = 0; i < globals.global_security->identity_data_count; i++) | ||||||
| 10280 | { | ||||||
| 10281 | dof_identity_data *gidentity = globals.global_security->identity_data + i; | ||||||
| 10282 | |||||||
| 10283 | if (domain_length != gidentity->domain_length || | ||||||
| 10284 | memcmp(domain_buf, gidentity->domain, domain_length) != 0) | ||||||
| 10285 | continue; | ||||||
| 10286 | |||||||
| 10287 | if (identity_length == gidentity->identity_length && | ||||||
| 10288 | memcmp(identity_buf, gidentity->identity, identity_length) == 0) | ||||||
| 10289 | { | ||||||
| 10290 | trp_pkt_data = wmem_new0(wmem_file_scope(), trp_packet_data)((trp_packet_data*)wmem_alloc0((wmem_file_scope()), sizeof(trp_packet_data ))); | ||||||
| 10291 | dof_packet_add_proto_data(packet_data, proto_trp, trp_pkt_data); | ||||||
| 10292 | |||||||
| 10293 | trp_pkt_data->domain_length = domain_length; | ||||||
| 10294 | trp_pkt_data->domain = (uint8_t *)wmem_alloc0(wmem_file_scope(), domain_length); | ||||||
| 10295 | memcpy(trp_pkt_data->domain, domain_buf, domain_length); | ||||||
| 10296 | |||||||
| 10297 | trp_pkt_data->identity_length = identity_length; | ||||||
| 10298 | trp_pkt_data->identity = (uint8_t *)wmem_alloc0(wmem_file_scope(), identity_length); | ||||||
| 10299 | memcpy(trp_pkt_data->identity, identity_buf, identity_length); | ||||||
| 10300 | |||||||
| 10301 | trp_pkt_data->secret = gidentity->secret; | ||||||
| 10302 | } | ||||||
| 10303 | } | ||||||
| 10304 | } | ||||||
| 10305 | |||||||
| 10306 | /* The initiator is in the identity table (found now or in an | ||||||
| 10307 | * earlier pass). | ||||||
| 10308 | */ | ||||||
| 10309 | if (trp_pkt_data || (trp_data && trp_data->identity_length)) | ||||||
| 10310 | expert_add_info(pinfo, ti, &ei_trp_initiator_id_known); | ||||||
| 10311 | |||||||
| 10312 | if (trp_pkt_data) | ||||||
| 10313 | { | ||||||
| 10314 | /* We need to store the entire block_I for later use. */ | ||||||
| 10315 | trp_pkt_data->block_I_length = dof_consumed_length(offset, start_offset); | ||||||
| 10316 | trp_pkt_data->block_I = (uint8_t *)wmem_alloc0(wmem_file_scope(), trp_pkt_data->block_I_length); | ||||||
| 10317 | tvb_memcpy(tvb, trp_pkt_data->block_I, start_offset, trp_pkt_data->block_I_length); | ||||||
| 10318 | } | ||||||
| 10319 | } | ||||||
| 10320 | } | ||||||
| 10321 | break; | ||||||
| 10322 | |||||||
| 10323 | case TRP_RSP_REQUEST_RANDOM((0x80)|(2)): | ||||||
| 10324 | { | ||||||
| 10325 | /* Initiator Ticket - Security.5 */ | ||||||
| 10326 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_5, tvb, pinfo, trp_tree, | ||||||
| 10327 | offset, hf_initiator_ticket, ett_initiator_ticket, NULL((void*)0)); | ||||||
| 10328 | } | ||||||
| 10329 | break; | ||||||
| 10330 | |||||||
| 10331 | case TRP_CMD_REQUEST_SECURITY_SCOPES(4): | ||||||
| 10332 | { | ||||||
| 10333 | uint8_t *domain_buf = NULL((void*)0); | ||||||
| 10334 | unsigned domain_length = 0; | ||||||
| 10335 | int start_offset; | ||||||
| 10336 | |||||||
| 10337 | /* Domain - Security.7 */ | ||||||
| 10338 | start_offset = offset; | ||||||
| 10339 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_7, tvb, pinfo, trp_tree, | ||||||
| 10340 | offset, hf_domain, ett_domain, NULL((void*)0)); | ||||||
| 10341 | if (!packet_data->processed) | ||||||
| 10342 | { | ||||||
| 10343 | domain_length = dof_consumed_length(offset, start_offset); | ||||||
| 10344 | domain_buf = (uint8_t *)wmem_alloc0(pinfo->pool, domain_length); | ||||||
| 10345 | tvb_memcpy(tvb, domain_buf, start_offset, domain_length); | ||||||
| 10346 | } | ||||||
| 10347 | |||||||
| 10348 | /* Initiator Block - TRP.5.1.1 */ | ||||||
| 10349 | { | ||||||
| 10350 | dof_2008_16_security_4 response; | ||||||
| 10351 | trp_packet_data *trp_pk_data = NULL((void*)0); | ||||||
| 10352 | |||||||
| 10353 | start_offset = offset; | ||||||
| 10354 | |||||||
| 10355 | /* Initiator Duration Request */ | ||||||
| 10356 | proto_tree_add_item(trp_tree, hf_trp_duration, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 10357 | offset += 1; | ||||||
| 10358 | |||||||
| 10359 | /* Initiator Key Request - Security.4 */ | ||||||
| 10360 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_4, tvb, pinfo, trp_tree, | ||||||
| 10361 | offset, hf_initiator_request, ett_initiator_request, &response); | ||||||
| 10362 | if (!packet_data->processed) | ||||||
| 10363 | { | ||||||
| 10364 | tvbuff_t *identity = response.identity; | ||||||
| 10365 | unsigned identity_length = tvb_reported_length(identity); | ||||||
| 10366 | uint8_t *identity_buf = (uint8_t *)wmem_alloc0(pinfo->pool, identity_length); | ||||||
| 10367 | int i; | ||||||
| 10368 | |||||||
| 10369 | /* Get the buffer. */ | ||||||
| 10370 | tvb_memcpy(identity, identity_buf, 0, identity_length); | ||||||
| 10371 | |||||||
| 10372 | /* Check to see if there is a matching identity. */ | ||||||
| 10373 | for (i = 0; i < globals.global_security->identity_data_count; i++) | ||||||
| 10374 | { | ||||||
| 10375 | dof_identity_data *gidentity = globals.global_security->identity_data + i; | ||||||
| 10376 | |||||||
| 10377 | if (domain_length != gidentity->domain_length || | ||||||
| 10378 | memcmp(domain_buf, gidentity->domain, domain_length) != 0) | ||||||
| 10379 | continue; | ||||||
| 10380 | |||||||
| 10381 | if (identity_length == gidentity->identity_length && | ||||||
| 10382 | memcmp(identity_buf, gidentity->identity, identity_length) == 0) | ||||||
| 10383 | { | ||||||
| 10384 | trp_pk_data = wmem_new0(wmem_file_scope(), trp_packet_data)((trp_packet_data*)wmem_alloc0((wmem_file_scope()), sizeof(trp_packet_data ))); | ||||||
| 10385 | dof_packet_add_proto_data(packet_data, proto_trp, trp_pk_data); | ||||||
| 10386 | |||||||
| 10387 | trp_pk_data->domain_length = domain_length; | ||||||
| 10388 | trp_pk_data->domain = (uint8_t *)wmem_alloc0(wmem_file_scope(), domain_length); | ||||||
| 10389 | memcpy(trp_pk_data->domain, domain_buf, domain_length); | ||||||
| 10390 | |||||||
| 10391 | trp_pk_data->identity_length = identity_length; | ||||||
| 10392 | trp_pk_data->identity = (uint8_t *)wmem_alloc0(wmem_file_scope(), identity_length); | ||||||
| 10393 | memcpy(trp_pk_data->identity, identity_buf, identity_length); | ||||||
| 10394 | |||||||
| 10395 | trp_pk_data->secret = gidentity->secret; | ||||||
| 10396 | } | ||||||
| 10397 | } | ||||||
| 10398 | } | ||||||
| 10399 | |||||||
| 10400 | /* The initiator is in the identity table (found now or in an | ||||||
| 10401 | * earlier pass). | ||||||
| 10402 | */ | ||||||
| 10403 | if (trp_pk_data || (trp_data && trp_data->identity_length)) | ||||||
| 10404 | expert_add_info(pinfo, ti, &ei_trp_initiator_id_known); | ||||||
| 10405 | |||||||
| 10406 | /* Node - Security.8 */ | ||||||
| 10407 | { | ||||||
| 10408 | int gid_start = offset; | ||||||
| 10409 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_8, tvb, pinfo, trp_tree, | ||||||
| 10410 | offset, hf_node_identifier, ett_node_identifier, NULL((void*)0)); | ||||||
| 10411 | |||||||
| 10412 | if (trp_pk_data) | ||||||
| 10413 | { | ||||||
| 10414 | trp_pk_data->group_length = dof_consumed_length(offset, gid_start); | ||||||
| 10415 | trp_pk_data->group = (uint8_t *)wmem_alloc0(wmem_file_scope(), trp_pk_data->group_length); | ||||||
| 10416 | tvb_memcpy(tvb, trp_pk_data->group, gid_start, trp_pk_data->group_length); | ||||||
| 10417 | } | ||||||
| 10418 | } | ||||||
| 10419 | |||||||
| 10420 | if (trp_pk_data) | ||||||
| 10421 | { | ||||||
| 10422 | /* We need to store the entire block_I for later use. */ | ||||||
| 10423 | trp_pk_data->block_I_length = dof_consumed_length(offset, start_offset); | ||||||
| 10424 | trp_pk_data->block_I = (uint8_t *)wmem_alloc0(wmem_file_scope(), trp_pk_data->block_I_length); | ||||||
| 10425 | tvb_memcpy(tvb, trp_pk_data->block_I, start_offset, trp_pk_data->block_I_length); | ||||||
| 10426 | } | ||||||
| 10427 | } | ||||||
| 10428 | } | ||||||
| 10429 | break; | ||||||
| 10430 | |||||||
| 10431 | case TRP_RSP_REQUEST_SECURITY_SCOPES((0x80)|(4)): | ||||||
| 10432 | { | ||||||
| 10433 | int start_offset; | ||||||
| 10434 | uint8_t *block_A; | ||||||
| 10435 | unsigned block_A_length; | ||||||
| 10436 | |||||||
| 10437 | /* Initiator Ticket - Security.5 */ | ||||||
| 10438 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_5, tvb, pinfo, trp_tree, | ||||||
| 10439 | offset, hf_initiator_ticket, ett_initiator_ticket, NULL((void*)0)); | ||||||
| 10440 | |||||||
| 10441 | /* Initialization Block - TRP.5.2.1 */ | ||||||
| 10442 | /* A BLOCK */ | ||||||
| 10443 | { | ||||||
| 10444 | start_offset = offset; | ||||||
| 10445 | |||||||
| 10446 | /* Initiator Duration Request */ | ||||||
| 10447 | proto_tree_add_item(trp_tree, hf_trp_duration, tvb, offset, 1, ENC_NA0x00000000); | ||||||
| 10448 | offset += 1; | ||||||
| 10449 | |||||||
| 10450 | /* Initiator Node Security Scope - Security.10 */ | ||||||
| 10451 | { | ||||||
| 10452 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_10, tvb, pinfo, trp_tree, | ||||||
| 10453 | offset, hf_security_scope, ett_security_scope, NULL((void*)0)); | ||||||
| 10454 | } | ||||||
| 10455 | |||||||
| 10456 | /* Validation - Security.11 */ | ||||||
| 10457 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_11, tvb, pinfo, trp_tree, | ||||||
| 10458 | offset, hf_initiator_validation, ett_initiator_validation, NULL((void*)0)); | ||||||
| 10459 | |||||||
| 10460 | block_A_length = dof_consumed_length(offset, start_offset); | ||||||
| 10461 | block_A = (uint8_t *)wmem_alloc0(pinfo->pool, block_A_length); | ||||||
| 10462 | tvb_memcpy(tvb, block_A, start_offset, block_A_length); | ||||||
| 10463 | } | ||||||
| 10464 | } | ||||||
| 10465 | break; | ||||||
| 10466 | |||||||
| 10467 | case TRP_CMD_RESOLVE_CREDENTIAL(6): | ||||||
| 10468 | { | ||||||
| 10469 | uint8_t *domain_buf = NULL((void*)0); | ||||||
| 10470 | unsigned domain_length = 0; | ||||||
| 10471 | int start_offset; | ||||||
| 10472 | |||||||
| 10473 | /* Domain - Security.7 */ | ||||||
| 10474 | start_offset = offset; | ||||||
| 10475 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_7, tvb, pinfo, trp_tree, | ||||||
| 10476 | offset, hf_domain, ett_domain, NULL((void*)0)); | ||||||
| 10477 | if (!packet_data->processed) | ||||||
| 10478 | { | ||||||
| 10479 | domain_length = dof_consumed_length(offset, start_offset); | ||||||
| 10480 | domain_buf = (uint8_t *)wmem_alloc0(pinfo->pool, domain_length); | ||||||
| 10481 | tvb_memcpy(tvb, domain_buf, start_offset, domain_length); | ||||||
| 10482 | } | ||||||
| 10483 | |||||||
| 10484 | /* Identity Resolution - Security.3.2 */ | ||||||
| 10485 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_3_2, tvb, pinfo, trp_tree, | ||||||
| 10486 | offset, hf_identity_resolution, ett_identity_resolution, NULL((void*)0)); | ||||||
| 10487 | } | ||||||
| 10488 | break; | ||||||
| 10489 | |||||||
| 10490 | case TRP_RSP_RESOLVE_CREDENTIAL((0x80)|(6)): | ||||||
| 10491 | { | ||||||
| 10492 | /* Identity Resolution - Security.3.2 */ | ||||||
| 10493 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_3_2, tvb, pinfo, trp_tree, | ||||||
| 10494 | offset, hf_identity_resolution, ett_identity_resolution, NULL((void*)0)); | ||||||
| 10495 | } | ||||||
| 10496 | break; | ||||||
| 10497 | |||||||
| 10498 | case TRP_CMD_REQUEST_SESSION(3): | ||||||
| 10499 | { | ||||||
| 10500 | uint8_t *domain_buf = NULL((void*)0); | ||||||
| 10501 | unsigned domain_length = 0; | ||||||
| 10502 | int start_offset; | ||||||
| 10503 | |||||||
| 10504 | if (trp_data && trp_data->identity_length) | ||||||
| 10505 | { | ||||||
| 10506 | expert_add_info(pinfo, ti, &ei_trp_initiator_id_known); | ||||||
| 10507 | } | ||||||
| 10508 | |||||||
| 10509 | /* Domain - Security.7 */ | ||||||
| 10510 | start_offset = offset; | ||||||
| 10511 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_7, tvb, pinfo, trp_tree, | ||||||
| 10512 | offset, hf_domain, ett_domain, NULL((void*)0)); | ||||||
| 10513 | if (!packet_data->processed) | ||||||
| 10514 | { | ||||||
| 10515 | domain_length = dof_consumed_length(offset, start_offset); | ||||||
| 10516 | domain_buf = (uint8_t *)wmem_alloc0(pinfo->pool, domain_length); | ||||||
| 10517 | tvb_memcpy(tvb, domain_buf, start_offset, domain_length); | ||||||
| 10518 | } | ||||||
| 10519 | |||||||
| 10520 | /* Responder Block - Security.6.2 */ | ||||||
| 10521 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_6_2, tvb, pinfo, trp_tree, | ||||||
| 10522 | offset, hf_responder_request, ett_responder_request, NULL((void*)0)); | ||||||
| 10523 | |||||||
| 10524 | /* Initiator Block - Security.6.1 */ | ||||||
| 10525 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_6_1, tvb, pinfo, trp_tree, | ||||||
| 10526 | offset, hf_initiator_request, ett_initiator_request, NULL((void*)0)); | ||||||
| 10527 | } | ||||||
| 10528 | break; | ||||||
| 10529 | |||||||
| 10530 | case TRP_RSP_REQUEST_SESSION((0x80)|(3)): | ||||||
| 10531 | { | ||||||
| 10532 | int start_offset; | ||||||
| 10533 | uint8_t *block_A; | ||||||
| 10534 | unsigned block_A_length; | ||||||
| 10535 | |||||||
| 10536 | /* Responder Ticket - Security.5 */ | ||||||
| 10537 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_5, tvb, pinfo, trp_tree, | ||||||
| 10538 | offset, hf_responder_ticket, ett_responder_ticket, NULL((void*)0)); | ||||||
| 10539 | |||||||
| 10540 | /* Initiator Ticket - Security.5 */ | ||||||
| 10541 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_5, tvb, pinfo, trp_tree, | ||||||
| 10542 | offset, hf_initiator_ticket, ett_initiator_ticket, NULL((void*)0)); | ||||||
| 10543 | |||||||
| 10544 | |||||||
| 10545 | /* Initialization Block - Security.6.3 */ | ||||||
| 10546 | /* A BLOCK */ | ||||||
| 10547 | { | ||||||
| 10548 | start_offset = offset; | ||||||
| 10549 | |||||||
| 10550 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_6_3, tvb, pinfo, trp_tree, | ||||||
| 10551 | offset, hf_authentication_block, ett_authentication_block, NULL((void*)0)); | ||||||
| 10552 | |||||||
| 10553 | block_A_length = dof_consumed_length(offset, start_offset); | ||||||
| 10554 | block_A = (uint8_t *)wmem_alloc0(pinfo->pool, block_A_length); | ||||||
| 10555 | tvb_memcpy(tvb, block_A, start_offset, block_A_length); | ||||||
| 10556 | } | ||||||
| 10557 | } | ||||||
| 10558 | break; | ||||||
| 10559 | |||||||
| 10560 | case TRP_CMD_VALIDATE_CREDENTIAL(9): | ||||||
| 10561 | { | ||||||
| 10562 | tvbuff_t *data_tvb; | ||||||
| 10563 | |||||||
| 10564 | /* Domain - Security.7 */ | ||||||
| 10565 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_7, tvb, pinfo, trp_tree, | ||||||
| 10566 | offset, hf_domain, ett_domain, NULL((void*)0)); | ||||||
| 10567 | |||||||
| 10568 | offset = dof_dissect_pdu_as_field(dissect_2008_16_security_3_1, tvb, pinfo, trp_tree, | ||||||
| 10569 | offset, hf_identity_resolution, ett_identity_resolution, NULL((void*)0)); | ||||||
| 10570 | data_tvb = tvb_new_subset_remaining(tvb, offset); | ||||||
| 10571 | call_data_dissector(data_tvb, pinfo, trp_tree); | ||||||
| 10572 | } | ||||||
| 10573 | break; | ||||||
| 10574 | |||||||
| 10575 | case TRP_RSP_VALIDATE_CREDENTIAL((0x80)|(9)): | ||||||
| 10576 | { | ||||||
| 10577 | tvbuff_t *data_tvb = tvb_new_subset_remaining(tvb, offset); | ||||||
| 10578 | call_data_dissector(data_tvb, pinfo, trp_tree); | ||||||
| 10579 | } | ||||||
| 10580 | break; | ||||||
| 10581 | } | ||||||
| 10582 | |||||||
| 10583 | return offset; | ||||||
| 10584 | } | ||||||
| 10585 | |||||||
| 10586 | /* Initialize Core Tunnel Functionality */ | ||||||
| 10587 | static void dof_tun_register(void) | ||||||
| 10588 | { | ||||||
| 10589 | static hf_register_info hf[] = | ||||||
| 10590 | { | ||||||
| 10591 | { &hf_2012_1_tunnel_1_version, | ||||||
| 10592 | { "Version", "dof.2012_1.tunnel_1.version", FT_UINT8, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 10593 | }, | ||||||
| 10594 | { &hf_2012_1_tunnel_1_length, | ||||||
| 10595 | { "Length", "dof.2012_1.tunnel_1.length", FT_UINT16, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 10596 | }, | ||||||
| 10597 | }; | ||||||
| 10598 | |||||||
| 10599 | static int *ett[] = { | ||||||
| 10600 | &ett_2012_1_tunnel, | ||||||
| 10601 | }; | ||||||
| 10602 | |||||||
| 10603 | proto_2012_1_tunnel = proto_register_protocol(TUNNEL_PROTOCOL_STACK"DOF Tunnel Protocol Stack", "DTPS", "dtps"); | ||||||
| 10604 | proto_register_field_array(proto_2012_1_tunnel, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 10605 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0])); | ||||||
| 10606 | |||||||
| 10607 | register_dissector_with_description("dof.tunnel", TUNNEL_PROTOCOL_STACK"DOF Tunnel Protocol Stack", dissect_tunnel_common, proto_2012_1_tunnel); | ||||||
| 10608 | dof_tun_app_dissectors = register_dissector_table("dof.tunnel.app", "DOF Tunnel Version", proto_2012_1_tunnel, FT_UINT8, BASE_DEC); | ||||||
| 10609 | } | ||||||
| 10610 | |||||||
| 10611 | static void dof_tun_reset(void) | ||||||
| 10612 | { | ||||||
| 10613 | } | ||||||
| 10614 | |||||||
| 10615 | static void dof_tun_cleanup(void) | ||||||
| 10616 | { | ||||||
| 10617 | } | ||||||
| 10618 | |||||||
| 10619 | /* The registration hand-off routine */ | ||||||
| 10620 | static void dof_tun_handoff(void) | ||||||
| 10621 | { | ||||||
| 10622 | static dissector_handle_t tcp_handle; | ||||||
| 10623 | |||||||
| 10624 | register_dissector_with_description("dof.app", TUNNEL_APPLICATION_PROTOCOL"DOF Tunnel Protocol", dissect_tun_app_common, proto_2008_1_app); | ||||||
| 10625 | |||||||
| 10626 | tcp_handle = create_dissector_handle(dissect_tunnel_tcp, proto_2012_1_tunnel); | ||||||
| 10627 | |||||||
| 10628 | dissector_add_uint_with_preference("tcp.port", DOF_TUN_NON_SEC_TCP_PORT8567, tcp_handle); | ||||||
| 10629 | } | ||||||
| 10630 | |||||||
| 10631 | /* Main DOF Registration Support */ | ||||||
| 10632 | |||||||
| 10633 | static void dof_reset(void) | ||||||
| 10634 | { | ||||||
| 10635 | globals.next_session = 1; | ||||||
| 10636 | globals.next_transport_session = 1; | ||||||
| 10637 | globals.dof_packet_head = globals.dof_packet_tail = NULL((void*)0); | ||||||
| 10638 | globals.global_security = &global_security; | ||||||
| 10639 | globals.learned_group_data = NULL((void*)0); | ||||||
| 10640 | globals.decrypt_all_packets = decrypt_all_packets; | ||||||
| 10641 | globals.track_operations = track_operations; | ||||||
| 10642 | globals.track_operations_window = track_operations_window; | ||||||
| 10643 | |||||||
| 10644 | init_addr_port_tables(); | ||||||
| 10645 | |||||||
| 10646 | /* Reset the packet counter. */ | ||||||
| 10647 | next_dof_frame = 1; | ||||||
| 10648 | |||||||
| 10649 | /* Load the template values for different groups. */ | ||||||
| 10650 | { | ||||||
| 10651 | secmode_field_t *list = secmode_list; | ||||||
| 10652 | unsigned i; | ||||||
| 10653 | |||||||
| 10654 | global_security.group_data = g_new0(dof_group_data, num_secmode_list)((dof_group_data *) g_malloc0_n ((num_secmode_list), sizeof ( dof_group_data))); | ||||||
| 10655 | global_security.group_data_count = num_secmode_list; | ||||||
| 10656 | for (i = 0; i < num_secmode_list; i++) | ||||||
| 10657 | { | ||||||
| 10658 | unsigned kek_len; | ||||||
| 10659 | dof_group_data *group_data = global_security.group_data + i; | ||||||
| 10660 | uint32_t size; | ||||||
| 10661 | |||||||
| 10662 | /* Hex digits or an OID string, as for the identity secrets. */ | ||||||
| 10663 | if (VALIDHEX(list[i].domain[0])( ((list[i].domain[0]) >= '0' && (list[i].domain[0 ]) <= '9') || ((list[i].domain[0]) >= 'A' && (list [i].domain[0]) <= 'F') || ((list[i].domain[0]) >= 'a' && (list[i].domain[0]) <= 'f') )) | ||||||
| 10664 | { | ||||||
| 10665 | parse_hex_string(list[i].domain, &(group_data->domain), &(group_data->domain_length)); | ||||||
| 10666 | } | ||||||
| 10667 | else | ||||||
| 10668 | { | ||||||
| 10669 | size = (uint32_t)strlen(list[i].domain); | ||||||
| 10670 | dof_oid_new_standard_string(list[i].domain, &size, &(group_data->domain)); | ||||||
| 10671 | group_data->domain_length = size; | ||||||
| 10672 | } | ||||||
| 10673 | |||||||
| 10674 | if (VALIDHEX(list[i].identity[0])( ((list[i].identity[0]) >= '0' && (list[i].identity [0]) <= '9') || ((list[i].identity[0]) >= 'A' && (list[i].identity[0]) <= 'F') || ((list[i].identity[0]) >= 'a' && (list[i].identity[0]) <= 'f') )) | ||||||
| 10675 | { | ||||||
| 10676 | parse_hex_string(list[i].identity, &(group_data->identity), &(group_data->identity_length)); | ||||||
| 10677 | } | ||||||
| 10678 | else | ||||||
| 10679 | { | ||||||
| 10680 | size = (uint32_t)strlen(list[i].identity); | ||||||
| 10681 | dof_oid_new_standard_string(list[i].identity, &size, &(group_data->identity)); | ||||||
| 10682 | group_data->identity_length = size; | ||||||
| 10683 | } | ||||||
| 10684 | parse_hex_string(list[i].kek, &(group_data->kek), &kek_len); | ||||||
| 10685 | } | ||||||
| 10686 | } | ||||||
| 10687 | |||||||
| 10688 | /* Load the template values for different secrets. */ | ||||||
| 10689 | { | ||||||
| 10690 | seckey_field_t *list = seckey_list; | ||||||
| 10691 | unsigned i; | ||||||
| 10692 | |||||||
| 10693 | /* Clear existing. */ | ||||||
| 10694 | for (i = 0; i < global_security.session_key_count; i++) | ||||||
| 10695 | { | ||||||
| 10696 | dof_session_key_data *session_data = &global_security.session_key[i]; | ||||||
| 10697 | g_free(session_data->session_key)(__builtin_object_size ((session_data->session_key), 0) != ((size_t) - 1)) ? g_free_sized (session_data->session_key , __builtin_object_size ((session_data->session_key), 0)) : (g_free) (session_data->session_key); | ||||||
| 10698 | } | ||||||
| 10699 | |||||||
| 10700 | g_free(global_security.session_key)(__builtin_object_size ((global_security.session_key), 0) != ( (size_t) - 1)) ? g_free_sized (global_security.session_key, __builtin_object_size ((global_security.session_key), 0)) : (g_free) (global_security .session_key); | ||||||
| 10701 | global_security.session_key = NULL((void*)0); | ||||||
| 10702 | global_security.session_key_count = 0; | ||||||
| 10703 | |||||||
| 10704 | global_security.session_key = g_new0(dof_session_key_data, num_seckey_list)((dof_session_key_data *) g_malloc0_n ((num_seckey_list), sizeof (dof_session_key_data))); | ||||||
| 10705 | global_security.session_key_count = num_seckey_list; | ||||||
| 10706 | for (i = 0; i < num_seckey_list; i++) | ||||||
| 10707 | { | ||||||
| 10708 | unsigned key_len; | ||||||
| 10709 | dof_session_key_data *session_data = global_security.session_key + i; | ||||||
| 10710 | parse_hex_string(list[i].key, &(session_data->session_key), &key_len); | ||||||
| 10711 | } | ||||||
| 10712 | } | ||||||
| 10713 | |||||||
| 10714 | /* Load the template values for different identities. */ | ||||||
| 10715 | { | ||||||
| 10716 | identsecret_field_t *list = identsecret_list; | ||||||
| 10717 | unsigned i; | ||||||
| 10718 | |||||||
| 10719 | /* Clear existing. */ | ||||||
| 10720 | for (i = 0; i < global_security.identity_data_count; i++) | ||||||
| 10721 | { | ||||||
| 10722 | dof_identity_data *identity_data = &global_security.identity_data[i]; | ||||||
| 10723 | g_free(identity_data->domain)(__builtin_object_size ((identity_data->domain), 0) != ((size_t ) - 1)) ? g_free_sized (identity_data->domain, __builtin_object_size ((identity_data->domain), 0)) : (g_free) (identity_data-> domain); | ||||||
| 10724 | g_free(identity_data->identity)(__builtin_object_size ((identity_data->identity), 0) != ( (size_t) - 1)) ? g_free_sized (identity_data->identity, __builtin_object_size ((identity_data->identity), 0)) : (g_free) (identity_data ->identity); | ||||||
| 10725 | g_free(identity_data->secret)(__builtin_object_size ((identity_data->secret), 0) != ((size_t ) - 1)) ? g_free_sized (identity_data->secret, __builtin_object_size ((identity_data->secret), 0)) : (g_free) (identity_data-> secret); | ||||||
| 10726 | } | ||||||
| 10727 | |||||||
| 10728 | g_free(global_security.identity_data)(__builtin_object_size ((global_security.identity_data), 0) != ((size_t) - 1)) ? g_free_sized (global_security.identity_data , __builtin_object_size ((global_security.identity_data), 0)) : (g_free) (global_security.identity_data); | ||||||
| 10729 | global_security.identity_data = NULL((void*)0); | ||||||
| 10730 | global_security.identity_data_count = 0; | ||||||
| 10731 | |||||||
| 10732 | global_security.identity_data = g_new0(dof_identity_data, num_identsecret_list)((dof_identity_data *) g_malloc0_n ((num_identsecret_list), sizeof (dof_identity_data))); | ||||||
| 10733 | global_security.identity_data_count = num_identsecret_list; | ||||||
| 10734 | for (i = 0; i < num_identsecret_list; i++) | ||||||
| 10735 | { | ||||||
| 10736 | unsigned key_len; | ||||||
| 10737 | uint32_t size; | ||||||
| 10738 | |||||||
| 10739 | dof_identity_data *identity_data = global_security.identity_data + i; | ||||||
| 10740 | if (VALIDHEX(list[i].domain[0])( ((list[i].domain[0]) >= '0' && (list[i].domain[0 ]) <= '9') || ((list[i].domain[0]) >= 'A' && (list [i].domain[0]) <= 'F') || ((list[i].domain[0]) >= 'a' && (list[i].domain[0]) <= 'f') )) | ||||||
| 10741 | { | ||||||
| 10742 | parse_hex_string(list[i].domain, &(identity_data->domain), &(identity_data->domain_length)); | ||||||
| 10743 | } | ||||||
| 10744 | else | ||||||
| 10745 | { | ||||||
| 10746 | size = (uint32_t)strlen(list[i].domain); | ||||||
| 10747 | dof_oid_new_standard_string(list[i].domain, &size, &(identity_data->domain)); | ||||||
| 10748 | identity_data->domain_length = size; | ||||||
| 10749 | } | ||||||
| 10750 | |||||||
| 10751 | if (VALIDHEX(list[i].identity[0])( ((list[i].identity[0]) >= '0' && (list[i].identity [0]) <= '9') || ((list[i].identity[0]) >= 'A' && (list[i].identity[0]) <= 'F') || ((list[i].identity[0]) >= 'a' && (list[i].identity[0]) <= 'f') )) | ||||||
| 10752 | { | ||||||
| 10753 | parse_hex_string(list[i].identity, &(identity_data->identity), &(identity_data->identity_length)); | ||||||
| 10754 | } | ||||||
| 10755 | else | ||||||
| 10756 | { | ||||||
| 10757 | size = (uint32_t)strlen(list[i].identity); | ||||||
| 10758 | dof_oid_new_standard_string(list[i].identity, &size, &(identity_data->identity)); | ||||||
| 10759 | identity_data->identity_length = size; | ||||||
| 10760 | } | ||||||
| 10761 | |||||||
| 10762 | parse_hex_string(list[i].secret, &(identity_data->secret), &key_len); | ||||||
| 10763 | } | ||||||
| 10764 | } | ||||||
| 10765 | } | ||||||
| 10766 | |||||||
| 10767 | static void dof_cleanup(void) | ||||||
| 10768 | { | ||||||
| 10769 | unsigned i; | ||||||
| 10770 | |||||||
| 10771 | /* Clear existing. */ | ||||||
| 10772 | for (i = 0; i < global_security.group_data_count; i++) | ||||||
| 10773 | { | ||||||
| 10774 | dof_group_data *group_data = &global_security.group_data[i]; | ||||||
| 10775 | g_free(group_data->domain)(__builtin_object_size ((group_data->domain), 0) != ((size_t ) - 1)) ? g_free_sized (group_data->domain, __builtin_object_size ((group_data->domain), 0)) : (g_free) (group_data->domain ); | ||||||
| 10776 | g_free(group_data->identity)(__builtin_object_size ((group_data->identity), 0) != ((size_t ) - 1)) ? g_free_sized (group_data->identity, __builtin_object_size ((group_data->identity), 0)) : (g_free) (group_data->identity ); | ||||||
| 10777 | g_free(group_data->kek)(__builtin_object_size ((group_data->kek), 0) != ((size_t) - 1)) ? g_free_sized (group_data->kek, __builtin_object_size ((group_data->kek), 0)) : (g_free) (group_data->kek); | ||||||
| 10778 | } | ||||||
| 10779 | |||||||
| 10780 | g_free(global_security.group_data)(__builtin_object_size ((global_security.group_data), 0) != ( (size_t) - 1)) ? g_free_sized (global_security.group_data, __builtin_object_size ((global_security.group_data), 0)) : (g_free) (global_security .group_data); | ||||||
| 10781 | global_security.group_data = NULL((void*)0); | ||||||
| 10782 | global_security.group_data_count = 0; | ||||||
| 10783 | |||||||
| 10784 | } | ||||||
| 10785 | |||||||
| 10786 | /** | ||||||
| 10787 | * Initialize Core DPS Functionality | ||||||
| 10788 | */ | ||||||
| 10789 | static void dof_register(void) | ||||||
| 10790 | { | ||||||
| 10791 | static hf_register_info hf[] = | ||||||
| 10792 | { | ||||||
| 10793 | { &hf_security_1_permission_type, | ||||||
| 10794 | { "Permission Type", "dof.2008.16.security.1.desired-duration", FT_UINT16, BASE_DEC, VALS(dof_2008_16_permission_type)((0 ? (const struct _value_string*)0 : ((dof_2008_16_permission_type )))), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10795 | |||||||
| 10796 | { &hf_security_1_length, | ||||||
| 10797 | { "Length", "dof.2008.16.security.1.length", FT_UINT16, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10798 | |||||||
| 10799 | { &hf_security_1_data, | ||||||
| 10800 | { "Data", "dof.2008.16.security.1.data", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10801 | |||||||
| 10802 | /* Security.2 */ | ||||||
| 10803 | { &hf_security_2_count, | ||||||
| 10804 | { "Count", "dof.2008.16.security.2.count", FT_UINT16, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10805 | |||||||
| 10806 | { &hf_security_2_permission, | ||||||
| 10807 | { "Permission", "dof.2008.16.security.2.permission", FT_NONE, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10808 | |||||||
| 10809 | /* Security.3.1 */ | ||||||
| 10810 | { &hf_security_3_1_credential_type, | ||||||
| 10811 | { "Credential Type", "dof.2008.16.security.3.1.credential_type", FT_UINT16, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10812 | |||||||
| 10813 | { &hf_security_3_1_stage, | ||||||
| 10814 | { "Stage", "dof.2008.16.security.3.1.stage", FT_UINT8, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10815 | |||||||
| 10816 | { &hf_security_3_1_security_node_identifier, | ||||||
| 10817 | { "Security Node Identifier", "dof.2008.16.security.3.1.security_node_identifier", FT_NONE, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10818 | |||||||
| 10819 | /* Security 3.2 */ | ||||||
| 10820 | { &hf_security_3_2_credential_type, | ||||||
| 10821 | { "Credential Type", "dof.2008.16.security.3.2.credential_type", FT_UINT8, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10822 | |||||||
| 10823 | { &hf_security_3_2_stage, | ||||||
| 10824 | { "Stage", "dof.2008.16.security.3.2.stage", FT_UINT8, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10825 | |||||||
| 10826 | { &hf_security_3_2_length, | ||||||
| 10827 | { "Length", "dof.2008.16.security.3.2.length", FT_UINT8, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10828 | |||||||
| 10829 | { &hf_security_3_2_public_data, | ||||||
| 10830 | { "Public Data", "dof.2008.16.security.3.2.public_data", FT_NONE, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10831 | |||||||
| 10832 | /* Security.4 */ | ||||||
| 10833 | { &hf_security_4_l, | ||||||
| 10834 | { "L", "dof.2008.16.security.4.l", FT_UINT8, BASE_DEC, NULL((void*)0), 0x80, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10835 | |||||||
| 10836 | { &hf_security_4_f, | ||||||
| 10837 | { "F", "dof.2008.16.security.4.f", FT_UINT8, BASE_DEC, NULL((void*)0), 0x40, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10838 | |||||||
| 10839 | { &hf_security_4_ln, | ||||||
| 10840 | { "Ln", "dof.2008.16.security.4.ln", FT_UINT8, BASE_DEC, NULL((void*)0), 0x0F, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10841 | |||||||
| 10842 | { &hf_security_4_identity, | ||||||
| 10843 | { "Identity", "dof.2008.16.security.4.identity", FT_NONE, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10844 | |||||||
| 10845 | { &hf_security_4_nonce, | ||||||
| 10846 | { "Nonce", "dof.2008.16.security.4.nonce", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10847 | |||||||
| 10848 | { &hf_security_4_permission_set, | ||||||
| 10849 | { "Permission Set", "dof.2008.16.security.4.permission_set", FT_NONE, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10850 | |||||||
| 10851 | /* Security.5 */ | ||||||
| 10852 | { &hf_security_5_mac, | ||||||
| 10853 | { "MAC", "dof.2008.16.security.5.mac", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10854 | |||||||
| 10855 | { &hf_security_5_key, | ||||||
| 10856 | { "KEY", "dof.2008.16.security.5.key", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10857 | |||||||
| 10858 | /* Security.6.1 */ | ||||||
| 10859 | { &hf_security_6_1_desired_duration, | ||||||
| 10860 | { "Desired Duration", "dof.2008.16.security.6.1.desired_duration", FT_UINT8, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10861 | |||||||
| 10862 | { &hf_security_6_1_desired_security_mode, | ||||||
| 10863 | { "Desired Security Mode", "dof.2008.16.security.6.1.desired_security_mode", FT_NONE, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10864 | |||||||
| 10865 | { &hf_security_6_1_initiator_request, | ||||||
| 10866 | { "Initiator Request", "dof.2008.16.security.6.1.initiator_request", FT_NONE, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10867 | |||||||
| 10868 | /* Security.6.2 */ | ||||||
| 10869 | { &hf_security_6_2_responder_request, | ||||||
| 10870 | { "Responder Request", "dof.2008.16.security.6.2.responder_request", FT_NONE, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10871 | |||||||
| 10872 | /* Security.6.3 */ | ||||||
| 10873 | { &hf_security_6_3_granted_duration, | ||||||
| 10874 | { "Granted Duration", "dof.2008.16.security.6.3.granted_duration", FT_UINT8, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10875 | |||||||
| 10876 | { &hf_security_6_3_session_security_scope, | ||||||
| 10877 | { "Session Security Scope", "dof.2008.16.security.6.3.session_security_scope", FT_NONE, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10878 | |||||||
| 10879 | { &hf_security_6_3_initiator_validation, | ||||||
| 10880 | { "Initiator Validation", "dof.2008.16.security.6.3.initiator_validation", FT_NONE, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10881 | |||||||
| 10882 | { &hf_security_6_3_responder_validation, | ||||||
| 10883 | { "Responder Validation", "dof.2008.16.security.6.3.responder_validation", FT_NONE, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10884 | |||||||
| 10885 | /* Security.9 */ | ||||||
| 10886 | { &hf_security_9_length, | ||||||
| 10887 | { "Length", "dof.2008.16.security.9.length", FT_UINT16, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10888 | |||||||
| 10889 | { &hf_security_9_initial_state, | ||||||
| 10890 | { "Initial State", "dof.2008.16.security.9.initial_state", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10891 | |||||||
| 10892 | /* Security.10 */ | ||||||
| 10893 | { &hf_security_10_count, | ||||||
| 10894 | { "Count", "dof.2008.16.security.10.count", FT_UINT8, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10895 | |||||||
| 10896 | { &hf_security_10_permission_group_identifier, | ||||||
| 10897 | { "Permission Group Identifier", "dof.2008.16.security.10.permission_group_identifier", FT_UINT32, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10898 | |||||||
| 10899 | /* Security.11 */ | ||||||
| 10900 | { &hf_security_11_count, | ||||||
| 10901 | { "Count", "dof.2008.16.security.11.count", FT_UINT16, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10902 | |||||||
| 10903 | { &hf_security_11_permission_security_scope, | ||||||
| 10904 | { "Permission Security Scope", "dof.2008.16.security.11.permission_security_scope", FT_NONE, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10905 | |||||||
| 10906 | /* Security.12 */ | ||||||
| 10907 | { &hf_security_12_m, | ||||||
| 10908 | { "M", "dof.2008.16.security.12.m", FT_UINT8, BASE_DEC, VALS(dof_2008_16_security_12_m)((0 ? (const struct _value_string*)0 : ((dof_2008_16_security_12_m )))), 0xC0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10909 | |||||||
| 10910 | { &hf_security_12_count, | ||||||
| 10911 | { "Count", "dof.2008.16.security.12.count", FT_UINT8, BASE_DEC, NULL((void*)0), 0x3F, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10912 | |||||||
| 10913 | { &hf_security_12_permission_group_identifier, | ||||||
| 10914 | { "Permission Group Identifier", "dof.2008.16.security.12.permission_group_identifier", FT_UINT32, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 10915 | |||||||
| 10916 | { &hf_2008_1_dof_session_transport, | ||||||
| 10917 | { "Transport Session", "dof.transport_session", FT_UINT32, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 10918 | }, | ||||||
| 10919 | { &hf_2008_1_dof_session, | ||||||
| 10920 | { "DPS Session", "dof.session", FT_UINT32, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 10921 | }, | ||||||
| 10922 | { &hf_2008_1_dof_frame, | ||||||
| 10923 | { "DPS Frame", "dof.frame", FT_UINT32, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 10924 | }, | ||||||
| 10925 | { &hf_2008_1_dof_is_2_node, | ||||||
| 10926 | { "DPS Is 2 Node", "dof.is_2_node", FT_BOOLEAN, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 10927 | }, | ||||||
| 10928 | { &hf_2008_1_dof_is_streaming, | ||||||
| 10929 | { "DPS Is Streaming", "dof.is_streaming", FT_BOOLEAN, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 10930 | }, | ||||||
| 10931 | { &hf_2008_1_dof_is_from_client, | ||||||
| 10932 | { "DPS Is From Client", "dof.is_from_client", FT_BOOLEAN, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 10933 | } | ||||||
| 10934 | }; | ||||||
| 10935 | |||||||
| 10936 | static int *ett[] = { | ||||||
| 10937 | /* Security.2 */ | ||||||
| 10938 | &ett_security_2_permission, | ||||||
| 10939 | &ett_security_3_1_security_node_identifier, | ||||||
| 10940 | |||||||
| 10941 | /* Security.11 */ | ||||||
| 10942 | &ett_security_11_permission_security_scope, | ||||||
| 10943 | |||||||
| 10944 | &ett_security_6_1_desired_security_mode, | ||||||
| 10945 | &ett_security_6_1_initiator_request, | ||||||
| 10946 | |||||||
| 10947 | &ett_security_6_2_responder_request, | ||||||
| 10948 | &ett_security_6_3_session_security_scope, | ||||||
| 10949 | &ett_security_6_3_initiator_validation, | ||||||
| 10950 | &ett_security_6_3_responder_validation, | ||||||
| 10951 | |||||||
| 10952 | &ett_security_4_identity, | ||||||
| 10953 | &ett_security_4_permission_set, | ||||||
| 10954 | |||||||
| 10955 | &ett_2008_1_dof, | ||||||
| 10956 | }; | ||||||
| 10957 | |||||||
| 10958 | static ei_register_info ei[] = | ||||||
| 10959 | { | ||||||
| 10960 | #if 0 | ||||||
| 10961 | { &ei_undecoded, { "dof.undecoded", PI_UNDECODED0x05000000, PI_WARN0x00600000, "DOF: Some protocol octets were not decoded", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 10962 | #endif | ||||||
| 10963 | { &ei_malformed, { "dof.malformed", PI_MALFORMED0x07000000, PI_ERROR0x00800000, "Malformed:", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 10964 | { &ei_implicit_no_op, { "dof.implicit_no_op", PI_PROTOCOL0x09000000, PI_COMMENT0x00100000, "Implicit No-op", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 10965 | { &ei_c2_c3_c4_format, { "dof.c2_c3_c4_format", PI_MALFORMED0x07000000, PI_WARN0x00600000, "DOF: Cx IE format", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 10966 | { &ei_security_3_1_invalid_stage, { "dof.security.3.1.invalid_stage", PI_MALFORMED0x07000000, PI_ERROR0x00800000, "DPS: Security.3.1: Stage invalid.", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 10967 | { &ei_security_4_invalid_bit, { "dof.security.4.invalid_bit", PI_MALFORMED0x07000000, PI_WARN0x00600000, "DPS: Security.4: Reserved bit set.", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 10968 | { &ei_security_13_out_of_range, { "dof.security.13.out_of_range", PI_MALFORMED0x07000000, PI_ERROR0x00800000, "DPS: Security.13: Attribute Data out of range.", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 10969 | }; | ||||||
| 10970 | |||||||
| 10971 | /* Security mode of operation templates. */ | ||||||
| 10972 | static uat_field_t secmode_uat_fields[] = { | ||||||
| 10973 | UAT_FLD_CSTRING(secmode_list, domain, "Domain", "The domain, coded as hex digits of PDU Security.7."){"domain", "Domain", PT_TXTMOD_STRING,{uat_fld_chk_str,secmode_list_domain_set_cb ,secmode_list_domain_tostr_cb},{0,0,0},0,"The domain, coded as hex digits of PDU Security.7." ,((void*)0)}, | ||||||
| 10974 | UAT_FLD_CSTRING(secmode_list, identity, "Group ID", "The group identifier, coded as hex digits of PDU Security.8."){"identity", "Group ID", PT_TXTMOD_STRING,{uat_fld_chk_str,secmode_list_identity_set_cb ,secmode_list_identity_tostr_cb},{0,0,0},0,"The group identifier, coded as hex digits of PDU Security.8." ,((void*)0)}, | ||||||
| 10975 | UAT_FLD_CSTRING(secmode_list, kek, "KEK", "The KEK, coded as hex digits representing the KEK (256-bit)."){"kek", "KEK", PT_TXTMOD_STRING,{uat_fld_chk_str,secmode_list_kek_set_cb ,secmode_list_kek_tostr_cb},{0,0,0},0,"The KEK, coded as hex digits representing the KEK (256-bit)." ,((void*)0)}, | ||||||
| 10976 | UAT_END_FIELDS{((void*)0),((void*)0),PT_TXTMOD_NONE,{0,0,0},{0,0,0},0,0,((void *)0)} | ||||||
| 10977 | }; | ||||||
| 10978 | |||||||
| 10979 | /* Security keys. */ | ||||||
| 10980 | static uat_field_t seckey_uat_fields[] = { | ||||||
| 10981 | UAT_FLD_CSTRING(seckey_list, key, "Session Key", "The session key to try to use, coded as hex digits representing the key (256-bit)."){"key", "Session Key", PT_TXTMOD_STRING,{uat_fld_chk_str,seckey_list_key_set_cb ,seckey_list_key_tostr_cb},{0,0,0},0,"The session key to try to use, coded as hex digits representing the key (256-bit)." ,((void*)0)}, | ||||||
| 10982 | UAT_END_FIELDS{((void*)0),((void*)0),PT_TXTMOD_NONE,{0,0,0},{0,0,0},0,0,((void *)0)} | ||||||
| 10983 | }; | ||||||
| 10984 | |||||||
| 10985 | /* Identity secrets. */ | ||||||
| 10986 | static uat_field_t identsecret_uat_fields[] = { | ||||||
| 10987 | UAT_FLD_CSTRING(identsecret_list, domain, "Domain", "The domain, coded as hex digits of PDU Security.7."){"domain", "Domain", PT_TXTMOD_STRING,{uat_fld_chk_str,identsecret_list_domain_set_cb ,identsecret_list_domain_tostr_cb},{0,0,0},0,"The domain, coded as hex digits of PDU Security.7." ,((void*)0)}, | ||||||
| 10988 | UAT_FLD_CSTRING(identsecret_list, identity, "Identity", "The group identifier, coded as hex digits of PDU Security.8."){"identity", "Identity", PT_TXTMOD_STRING,{uat_fld_chk_str,identsecret_list_identity_set_cb ,identsecret_list_identity_tostr_cb},{0,0,0},0,"The group identifier, coded as hex digits of PDU Security.8." ,((void*)0)}, | ||||||
| 10989 | UAT_FLD_CSTRING_OTHER(identsecret_list, secret, "Secret", identsecret_chk_cb, "The resolved secret for a given identity, coded as hex digits representing the secret (256-bit)."){"secret", "Secret", PT_TXTMOD_STRING,{ identsecret_chk_cb ,identsecret_list_secret_set_cb ,identsecret_list_secret_tostr_cb},{0,0,0},0,"The resolved secret for a given identity, coded as hex digits representing the secret (256-bit)." ,((void*)0)}, | ||||||
| 10990 | UAT_END_FIELDS{((void*)0),((void*)0),PT_TXTMOD_NONE,{0,0,0},{0,0,0},0,0,((void *)0)} | ||||||
| 10991 | }; | ||||||
| 10992 | |||||||
| 10993 | module_t *dof_module; | ||||||
| 10994 | uat_t *secmode_uat; | ||||||
| 10995 | uat_t *seckey_uat; | ||||||
| 10996 | uat_t *identsecret_uat; | ||||||
| 10997 | expert_module_t *expert_security; | ||||||
| 10998 | |||||||
| 10999 | dsp_option_dissectors = register_dissector_table("dof.dsp.options", "DSP Protocol Options", proto_2008_1_dsp, FT_UINT32, BASE_DEC); | ||||||
| 11000 | dof_sec_dissectors = register_dissector_table("dof.secmode", "DOF Security Mode of Operation", proto_2008_1_dof, FT_UINT16, BASE_DEC); | ||||||
| 11001 | register_dissector_table("dof.2008.1", "DOF Common PDU", proto_2008_1_dof, FT_STRING, BASE_DEC); | ||||||
| 11002 | |||||||
| 11003 | proto_2008_1_dof = proto_register_protocol(DOF_PROTOCOL_STACK"DOF Protocol Stack", "DOF", "dof"); | ||||||
| 11004 | |||||||
| 11005 | proto_2008_1_dof_tcp = proto_register_protocol(DOF_PROTOCOL_STACK"DOF Protocol Stack"" TCP", "DOF-TCP", "dof-tcp"); | ||||||
| 11006 | proto_2008_1_dof_udp = proto_register_protocol(DOF_PROTOCOL_STACK"DOF Protocol Stack"" UDP", "DOF-UDP", "dof-udp"); | ||||||
| 11007 | |||||||
| 11008 | proto_register_field_array(proto_2008_1_dof, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 11009 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0])); | ||||||
| 11010 | |||||||
| 11011 | expert_security = expert_register_protocol(proto_2008_1_dof); | ||||||
| 11012 | expert_register_field_array(expert_security, ei, array_length(ei)(sizeof (ei) / sizeof (ei)[0])); | ||||||
| 11013 | |||||||
| 11014 | dof_module = prefs_register_protocol(proto_2008_1_dof, dof_reset); | ||||||
| 11015 | secmode_uat = uat_new("DPS Security Mode Templates", | ||||||
| 11016 | sizeof(secmode_field_t), | ||||||
| 11017 | "custom_dof_secmode_list", | ||||||
| 11018 | true1, | ||||||
| 11019 | &secmode_list, | ||||||
| 11020 | &num_secmode_list, | ||||||
| 11021 | (UAT_AFFECTS_DISSECTION0x00000001 | UAT_AFFECTS_FIELDS0x00000002), | ||||||
| 11022 | NULL((void*)0), | ||||||
| 11023 | secmode_list_copy_cb, | ||||||
| 11024 | secmode_list_update_cb, | ||||||
| 11025 | secmode_list_free_cb, | ||||||
| 11026 | secmode_list_post_update_cb, | ||||||
| 11027 | NULL((void*)0), | ||||||
| 11028 | secmode_uat_fields | ||||||
| 11029 | ); | ||||||
| 11030 | |||||||
| 11031 | seckey_uat = uat_new("DPS Session Keys", | ||||||
| 11032 | sizeof(seckey_field_t), | ||||||
| 11033 | "custom_dof_seckey_list", | ||||||
| 11034 | true1, | ||||||
| 11035 | &seckey_list, | ||||||
| 11036 | &num_seckey_list, | ||||||
| 11037 | (UAT_AFFECTS_DISSECTION0x00000001 | UAT_AFFECTS_FIELDS0x00000002), | ||||||
| 11038 | NULL((void*)0), | ||||||
| 11039 | seckey_list_copy_cb, | ||||||
| 11040 | seckey_list_update_cb, | ||||||
| 11041 | seckey_list_free_cb, | ||||||
| 11042 | seckey_list_post_update_cb, | ||||||
| 11043 | NULL((void*)0), | ||||||
| 11044 | seckey_uat_fields | ||||||
| 11045 | ); | ||||||
| 11046 | |||||||
| 11047 | identsecret_uat = uat_new("DPS Identity Secrets", | ||||||
| 11048 | sizeof(identsecret_field_t), | ||||||
| 11049 | "custom_dof_identsecret_list", | ||||||
| 11050 | true1, | ||||||
| 11051 | &identsecret_list, | ||||||
| 11052 | &num_identsecret_list, | ||||||
| 11053 | (UAT_AFFECTS_DISSECTION0x00000001 | UAT_AFFECTS_FIELDS0x00000002), | ||||||
| 11054 | NULL((void*)0), | ||||||
| 11055 | identsecret_list_copy_cb, | ||||||
| 11056 | identsecret_list_update_cb, | ||||||
| 11057 | identsecret_list_free_cb, | ||||||
| 11058 | identsecret_list_post_update_cb, | ||||||
| 11059 | NULL((void*)0), | ||||||
| 11060 | identsecret_uat_fields | ||||||
| 11061 | ); | ||||||
| 11062 | |||||||
| 11063 | prefs_register_bool_preference(dof_module, "custom_dof_decrypt_all", | ||||||
| 11064 | "Attempt to decrypt all packets", | ||||||
| 11065 | "Specifies that decryption should be attempted on all packets, even if the session initialization wasn't captured.", | ||||||
| 11066 | &decrypt_all_packets); | ||||||
| 11067 | |||||||
| 11068 | prefs_register_bool_preference(dof_module, "custom_dof_track_operations", | ||||||
| 11069 | "Track DPS operations", | ||||||
| 11070 | "Specifies that operations should be tracked across multiple packets, providing summary lists. This takes time and memory.", | ||||||
| 11071 | &track_operations); | ||||||
| 11072 | |||||||
| 11073 | prefs_register_uint_preference(dof_module, "custom_dof_track_operations_window", | ||||||
| 11074 | "Track DPS window", | ||||||
| 11075 | "Limits the number of operations shown before and after the current operations", | ||||||
| 11076 | 10, &track_operations_window); | ||||||
| 11077 | |||||||
| 11078 | prefs_register_static_text_preference(dof_module, "name4567", "The following are tables not preferences.", "These tables are not controlled by OK, Apply, and Cancel of this dialog."); | ||||||
| 11079 | |||||||
| 11080 | prefs_register_uat_preference(dof_module, "custom_dof_secmode_list", "DPS Security Mode Templates", | ||||||
| 11081 | "A table of security modes and initialization data that will be tried if no security mode is found.", | ||||||
| 11082 | secmode_uat); | ||||||
| 11083 | |||||||
| 11084 | prefs_register_uat_preference(dof_module, "custom_dof_seckey_list", "DPS Session Keys", | ||||||
| 11085 | "A table of session keys to attempt if none is known.", | ||||||
| 11086 | seckey_uat); | ||||||
| 11087 | |||||||
| 11088 | prefs_register_uat_preference(dof_module, "custom_dof_identsecret_list", "DPS Identity Secrets", | ||||||
| 11089 | "A table of secrets for different identities.", | ||||||
| 11090 | identsecret_uat); | ||||||
| 11091 | } | ||||||
| 11092 | |||||||
| 11093 | static void dof_handoff(void) | ||||||
| 11094 | { | ||||||
| 11095 | static dissector_handle_t tcp_handle; | ||||||
| 11096 | |||||||
| 11097 | dof_oid_handle = register_dissector_with_description("dof.oid", DOF_OBJECT_IDENTIFIER"DOF Object Identifier", dissect_2009_11_type_4, oid_proto); | ||||||
| 11098 | |||||||
| 11099 | tcp_handle = create_dissector_handle(dissect_dof_tcp, proto_2008_1_dof); | ||||||
| 11100 | dof_udp_handle = create_dissector_handle(dissect_dof_udp, proto_2008_1_dof); | ||||||
| 11101 | |||||||
| 11102 | dissector_add_uint_with_preference("tcp.port", DOF_P2P_NEG_SEC_TCP_PORT3567, tcp_handle); | ||||||
| 11103 | dissector_add_uint_range_with_preference("udp.port", DOF_NEG_SEC_UDP_PORT_RANGE"3567,5567", dof_udp_handle); | ||||||
| 11104 | } | ||||||
| 11105 | |||||||
| 11106 | /* OID Registration Support */ | ||||||
| 11107 | |||||||
| 11108 | static void oid_reset(void) | ||||||
| 11109 | { | ||||||
| 11110 | } | ||||||
| 11111 | |||||||
| 11112 | static void oid_cleanup(void) | ||||||
| 11113 | { | ||||||
| 11114 | } | ||||||
| 11115 | |||||||
| 11116 | /* Initialize OID */ | ||||||
| 11117 | static void oid_register(void) | ||||||
| 11118 | { | ||||||
| 11119 | static hf_register_info hf[] = { | ||||||
| 11120 | { &hf_oid_class, | ||||||
| 11121 | { "Class", "dof.oid.class", FT_UINT32, BASE_DEC, NULL((void*)0), 0, "DPS Object Identifier Class", HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11122 | }, | ||||||
| 11123 | { &hf_oid_header, | ||||||
| 11124 | { "Header", "dof.oid.header", FT_UINT8, BASE_HEX, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11125 | }, | ||||||
| 11126 | { &hf_oid_attribute, | ||||||
| 11127 | { "Attribute", "dof.oid.attribute", FT_UINT8, BASE_DEC, NULL((void*)0), 0x80, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11128 | }, | ||||||
| 11129 | { &hf_oid_length, | ||||||
| 11130 | { "Length", "dof.oid.length", FT_UINT8, BASE_DEC, NULL((void*)0), 0x3F, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11131 | }, | ||||||
| 11132 | { &hf_oid_data, | ||||||
| 11133 | { "Data", "dof.oid.data", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11134 | }, | ||||||
| 11135 | { &hf_oid_all_attribute_data, | ||||||
| 11136 | { "Attribute Data", "dof.oid.attribute-data", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11137 | }, | ||||||
| 11138 | { &hf_oid_attribute_header, | ||||||
| 11139 | { "Header", "dof.attribute.header", FT_UINT8, BASE_HEX, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11140 | }, | ||||||
| 11141 | { &hf_oid_attribute_attribute, | ||||||
| 11142 | { "Attribute", "dof.attribute.attribute", FT_UINT8, BASE_DEC, NULL((void*)0), 0x80, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11143 | }, | ||||||
| 11144 | { &hf_oid_attribute_id, | ||||||
| 11145 | { "ID", "dof.attribute.id", FT_UINT8, BASE_DEC, NULL((void*)0), 0x7F, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11146 | }, | ||||||
| 11147 | { &hf_oid_attribute_length, | ||||||
| 11148 | { "Length", "dof.attribute.length", FT_UINT8, BASE_DEC, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11149 | }, | ||||||
| 11150 | { &hf_oid_attribute_data, | ||||||
| 11151 | { "Data", "dof.attribute.data", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11152 | }, | ||||||
| 11153 | { &hf_oid_attribute_oid, | ||||||
| 11154 | { "OID", "dof.attribute.oid", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11155 | }, | ||||||
| 11156 | }; | ||||||
| 11157 | |||||||
| 11158 | static int *ett[] = { | ||||||
| 11159 | &ett_oid, | ||||||
| 11160 | &ett_oid_header, | ||||||
| 11161 | &ett_oid_attribute, | ||||||
| 11162 | &ett_oid_attribute_header, | ||||||
| 11163 | &ett_oid_attribute_oid, | ||||||
| 11164 | }; | ||||||
| 11165 | |||||||
| 11166 | static ei_register_info ei[] = | ||||||
| 11167 | { | ||||||
| 11168 | { &ei_type_4_header_zero, { "dof.oid.header_zero", PI_MALFORMED0x07000000, PI_ERROR0x00800000, "DOF Violation: Type.4: Header bit mandated 0.", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 11169 | }; | ||||||
| 11170 | |||||||
| 11171 | if (oid_proto == -1) | ||||||
| 11172 | { | ||||||
| 11173 | expert_module_t *expert_oid; | ||||||
| 11174 | |||||||
| 11175 | oid_proto = proto_register_protocol(DOF_OBJECT_IDENTIFIER"DOF Object Identifier", "DPS.OID", "dof.oid"); | ||||||
| 11176 | proto_register_field_array(oid_proto, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 11177 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0])); | ||||||
| 11178 | expert_oid = expert_register_protocol(oid_proto); | ||||||
| 11179 | expert_register_field_array(expert_oid, ei, array_length(ei)(sizeof (ei) / sizeof (ei)[0])); | ||||||
| 11180 | } | ||||||
| 11181 | } | ||||||
| 11182 | |||||||
| 11183 | static void oid_handoff(void) | ||||||
| 11184 | { | ||||||
| 11185 | } | ||||||
| 11186 | |||||||
| 11187 | /* DNP Registration Support */ | ||||||
| 11188 | |||||||
| 11189 | static unsigned dof_ns_session_key_hash_fn(const void *key) | ||||||
| 11190 | { | ||||||
| 11191 | const dof_ns_session_key *session_key = (const dof_ns_session_key *)key; | ||||||
| 11192 | unsigned result = 0; | ||||||
| 11193 | |||||||
| 11194 | result += g_int_hash(&session_key->transport_session_id); | ||||||
| 11195 | result += g_int_hash(&session_key->client); | ||||||
| 11196 | result += g_int_hash(&session_key->server); | ||||||
| 11197 | |||||||
| 11198 | return result; | ||||||
| 11199 | } | ||||||
| 11200 | |||||||
| 11201 | static gboolean dof_ns_session_key_equal_fn(const void *key1, const void *key2) | ||||||
| 11202 | { | ||||||
| 11203 | const dof_ns_session_key *session_key_ptr1 = (const dof_ns_session_key *)key1; | ||||||
| 11204 | const dof_ns_session_key *session_key_ptr2 = (const dof_ns_session_key *)key2; | ||||||
| 11205 | |||||||
| 11206 | if (session_key_ptr1->transport_session_id != session_key_ptr2->transport_session_id) | ||||||
| 11207 | return FALSE(0); | ||||||
| 11208 | |||||||
| 11209 | if (session_key_ptr1->client != session_key_ptr2->client) | ||||||
| 11210 | return FALSE(0); | ||||||
| 11211 | |||||||
| 11212 | if (session_key_ptr1->server != session_key_ptr2->server) | ||||||
| 11213 | return FALSE(0); | ||||||
| 11214 | |||||||
| 11215 | return TRUE(!(0)); | ||||||
| 11216 | } | ||||||
| 11217 | |||||||
| 11218 | static void dof_dnp_reset(void) | ||||||
| 11219 | { | ||||||
| 11220 | dof_ns_session_lookup = g_hash_table_new_full(dof_ns_session_key_hash_fn, dof_ns_session_key_equal_fn, g_free, NULL((void*)0)); | ||||||
| 11221 | } | ||||||
| 11222 | |||||||
| 11223 | static void dof_dnp_cleanup(void) | ||||||
| 11224 | { | ||||||
| 11225 | g_hash_table_destroy(dof_ns_session_lookup); | ||||||
| 11226 | dof_ns_session_lookup = NULL((void*)0); | ||||||
| 11227 | } | ||||||
| 11228 | |||||||
| 11229 | static void dof_register_dnp_0(void) | ||||||
| 11230 | { | ||||||
| 11231 | static hf_register_info hf[] = | ||||||
| 11232 | { | ||||||
| 11233 | { &hf_2008_1_dnp_0_1_1_padding, | ||||||
| 11234 | { "Padding", "dof.dnp.v0.padding", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11235 | }, | ||||||
| 11236 | { &hf_2008_1_dnp_0_1_1_version, | ||||||
| 11237 | { "Version", "dof.dnp.v0.version", FT_UINT8, BASE_HEX, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11238 | }, | ||||||
| 11239 | }; | ||||||
| 11240 | |||||||
| 11241 | if (proto_2008_1_dnp_0 <= 0) | ||||||
| 11242 | { | ||||||
| 11243 | proto_2008_1_dnp_0 = proto_register_protocol(DOF_NETWORK_PROTOCOL"DOF Network Protocol" " V0", "DPS.DNP.V0", "dof.dnp.v0"); | ||||||
| 11244 | |||||||
| 11245 | proto_register_field_array(proto_2008_1_dnp_0, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 11246 | } | ||||||
| 11247 | } | ||||||
| 11248 | |||||||
| 11249 | /** | ||||||
| 11250 | * The registration hand-off routine | ||||||
| 11251 | */ | ||||||
| 11252 | static void dof_reg_handoff_dnp_0(void) | ||||||
| 11253 | { | ||||||
| 11254 | dissector_handle_t dnp_handle; | ||||||
| 11255 | dnp_handle = create_dissector_handle(dissect_dnp_0, proto_2008_1_dnp_0); | ||||||
| 11256 | |||||||
| 11257 | dissector_add_uint("dof.dnp", 0, dnp_handle); | ||||||
| 11258 | } | ||||||
| 11259 | |||||||
| 11260 | static void dof_register_dnp_1(void) | ||||||
| 11261 | { | ||||||
| 11262 | expert_module_t *expert_dnp; | ||||||
| 11263 | |||||||
| 11264 | static hf_register_info hf[] = | ||||||
| 11265 | { | ||||||
| 11266 | { &hf_2009_9_dnp_1_flags, | ||||||
| 11267 | { "Flags", "dof.2009_9.dnp_1.flags", FT_UINT8, BASE_HEX, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11268 | }, | ||||||
| 11269 | { &hf_2009_9_dnp_1_flag_length, | ||||||
| 11270 | { "Length Size", "dof.2009_9.dnp_1.flags.lengthsize", FT_UINT8, BASE_DEC, NULL((void*)0), 0x03, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11271 | }, | ||||||
| 11272 | { &hf_2009_9_dnp_1_flag_srcport, | ||||||
| 11273 | { "Source Port", "dof.2009_9.dnp_1.flags.srcport", FT_UINT8, BASE_DEC, NULL((void*)0), 0x04, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11274 | }, | ||||||
| 11275 | { &hf_2009_9_dnp_1_flag_dstport, | ||||||
| 11276 | { "Destination Port", "dof.2009_9.dnp_1.flags.dstport", FT_UINT8, BASE_DEC, NULL((void*)0), 0x08, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11277 | }, | ||||||
| 11278 | |||||||
| 11279 | { &hf_2009_9_dnp_1_length, | ||||||
| 11280 | { "Length", "dof.2009_9.dnp_1.length", FT_UINT32, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11281 | }, | ||||||
| 11282 | { &hf_2009_9_dnp_1_srcport, | ||||||
| 11283 | { "Source Port", "dof.2009_9.dnp_1.srcport", FT_UINT32, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11284 | }, | ||||||
| 11285 | { &hf_2009_9_dnp_1_dstport, | ||||||
| 11286 | { "Destination Port", "dof.2009_9.dnp_1.dstport", FT_UINT32, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11287 | }, | ||||||
| 11288 | }; | ||||||
| 11289 | |||||||
| 11290 | static int *ett[] = | ||||||
| 11291 | { | ||||||
| 11292 | &ett_2009_9_dnp_1_flags, | ||||||
| 11293 | }; | ||||||
| 11294 | |||||||
| 11295 | static ei_register_info ei[] = | ||||||
| 11296 | { | ||||||
| 11297 | { &ei_dof_10_flags_zero, { "dof.dnp.v1.flags_zero", PI_UNDECODED0x05000000, PI_ERROR0x00800000, "DPS-10: Reserved flag bits must be zero.", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 11298 | { &ei_dof_dnp_length_short, { "dof.dnp.v1.length_short", PI_MALFORMED0x07000000, PI_ERROR0x00800000, "DNP length is shorter than the address fields", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 11299 | #if 0 | ||||||
| 11300 | { &ei_dof_13_length_specified, { "dof.dnp.v1.length_specified", PI_UNDECODED0x05000000, PI_ERROR0x00800000, "DPS-13: Length must be specified on a connection.", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 11301 | #endif | ||||||
| 11302 | }; | ||||||
| 11303 | |||||||
| 11304 | if (proto_2009_9_dnp_1 <= 0) | ||||||
| 11305 | { | ||||||
| 11306 | proto_2009_9_dnp_1 = proto_register_protocol(DOF_NETWORK_PROTOCOL"DOF Network Protocol" " V1", "DOF.DNP.V1", "dof.dnp.v1"); | ||||||
| 11307 | |||||||
| 11308 | proto_register_field_array(proto_2009_9_dnp_1, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 11309 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0])); | ||||||
| 11310 | |||||||
| 11311 | expert_dnp = expert_register_protocol(proto_2009_9_dnp_1); | ||||||
| 11312 | expert_register_field_array(expert_dnp, ei, array_length(ei)(sizeof (ei) / sizeof (ei)[0])); | ||||||
| 11313 | } | ||||||
| 11314 | } | ||||||
| 11315 | |||||||
| 11316 | /** | ||||||
| 11317 | * The registration hand-off routine | ||||||
| 11318 | */ | ||||||
| 11319 | static void dof_reg_handoff_dnp_1(void) | ||||||
| 11320 | { | ||||||
| 11321 | dissector_handle_t dnp_handle, dnp_frame_handle; | ||||||
| 11322 | dnp_handle = create_dissector_handle(dissect_dnp_1, proto_2009_9_dnp_1); | ||||||
| 11323 | dnp_frame_handle = create_dissector_handle(determine_packet_length_1, proto_2009_9_dnp_1); | ||||||
| 11324 | |||||||
| 11325 | dissector_add_uint("dof.dnp", 1, dnp_handle); | ||||||
| 11326 | dissector_add_uint("dof.dnp.frame", 1, dnp_frame_handle); | ||||||
| 11327 | } | ||||||
| 11328 | |||||||
| 11329 | static void dof_dnp_handoff(void) | ||||||
| 11330 | { | ||||||
| 11331 | dof_reg_handoff_dnp_0(); | ||||||
| 11332 | dof_reg_handoff_dnp_1(); | ||||||
| 11333 | } | ||||||
| 11334 | |||||||
| 11335 | /** | ||||||
| 11336 | * Initialize Core DNP Functionality | ||||||
| 11337 | */ | ||||||
| 11338 | static void dof_dnp_register(void) | ||||||
| 11339 | { | ||||||
| 11340 | static hf_register_info hf[] = | ||||||
| 11341 | { | ||||||
| 11342 | { &hf_2008_1_dnp_1_flag, | ||||||
| 11343 | { "Flag", "dof.2008_1.dnp_1.flag", FT_BOOLEAN, 8, TFS(&tfs_present_not_present)((0 ? (const struct true_false_string*)0 : ((&tfs_present_not_present )))), 0x80, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11344 | }, | ||||||
| 11345 | { &hf_2008_1_dnp_1_version, | ||||||
| 11346 | { "Version", "dof.2008_1.dnp_1.version", FT_UINT8, BASE_DEC, NULL((void*)0), 0x7F, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11347 | }, | ||||||
| 11348 | }; | ||||||
| 11349 | |||||||
| 11350 | static int *ett[] = | ||||||
| 11351 | { | ||||||
| 11352 | &ett_2008_1_dnp, | ||||||
| 11353 | &ett_2008_1_dnp_header, | ||||||
| 11354 | }; | ||||||
| 11355 | |||||||
| 11356 | proto_2008_1_dnp = proto_register_protocol(DOF_NETWORK_PROTOCOL"DOF Network Protocol", "DPS.DNP", "dof.dnp"); | ||||||
| 11357 | |||||||
| 11358 | proto_register_field_array(proto_2008_1_dnp, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 11359 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0])); | ||||||
| 11360 | dnp_dissectors = register_dissector_table("dof.dnp", "DOF DNP Version", proto_2008_1_dnp, FT_UINT8, BASE_DEC); | ||||||
| 11361 | dnp_framing_dissectors = register_dissector_table("dof.dnp.frame", "DOF DNP Framing", proto_2008_1_dnp, FT_UINT8, BASE_DEC); | ||||||
| 11362 | |||||||
| 11363 | dof_register_dnp_0(); | ||||||
| 11364 | dof_register_dnp_1(); | ||||||
| 11365 | } | ||||||
| 11366 | |||||||
| 11367 | /* DPP Registration Support */ | ||||||
| 11368 | |||||||
| 11369 | /** | ||||||
| 11370 | * This routine is called each time the system is reset (file load, capture) | ||||||
| 11371 | * and so it should take care of freeing any of our persistent stuff. | ||||||
| 11372 | */ | ||||||
| 11373 | static void dof_dpp_reset(void) | ||||||
| 11374 | { | ||||||
| 11375 | dpp_reset_opid_support(); | ||||||
| 11376 | dpp_reset_sid_support(); | ||||||
| 11377 | } | ||||||
| 11378 | |||||||
| 11379 | static void dof_dpp_cleanup(void) | ||||||
| 11380 | { | ||||||
| 11381 | } | ||||||
| 11382 | |||||||
| 11383 | static void dof_register_dpp_0(void) | ||||||
| 11384 | { | ||||||
| 11385 | static hf_register_info hf[] = | ||||||
| 11386 | { | ||||||
| 11387 | { &hf_2008_1_dpp_0_1_1_version, | ||||||
| 11388 | { "Version", "dof.dpp.v0.version", FT_UINT8, BASE_HEX, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11389 | }, | ||||||
| 11390 | }; | ||||||
| 11391 | |||||||
| 11392 | if (proto_2008_1_dpp_0 <= 0) | ||||||
| 11393 | { | ||||||
| 11394 | proto_2008_1_dpp_0 = proto_register_protocol(DOF_PRESENTATION_PROTOCOL"DOF Presentation Protocol" " V0", "DPS.DPP.V0", "dof.dpp.v0"); | ||||||
| 11395 | |||||||
| 11396 | proto_register_field_array(proto_2008_1_dpp_0, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 11397 | } | ||||||
| 11398 | } | ||||||
| 11399 | |||||||
| 11400 | /** | ||||||
| 11401 | * The registration hand-off routine | ||||||
| 11402 | */ | ||||||
| 11403 | static void dof_reg_handoff_dpp_0(void) | ||||||
| 11404 | { | ||||||
| 11405 | dissector_handle_t dpp_handle; | ||||||
| 11406 | dpp_handle = create_dissector_handle(dissect_dpp_0, proto_2008_1_dpp_0); | ||||||
| 11407 | |||||||
| 11408 | dissector_add_uint("dof.dpp", 0, dpp_handle); | ||||||
| 11409 | } | ||||||
| 11410 | |||||||
| 11411 | static void dof_register_dpp_2(void) | ||||||
| 11412 | { | ||||||
| 11413 | expert_module_t *expert_dpp; | ||||||
| 11414 | |||||||
| 11415 | static hf_register_info hf[] = | ||||||
| 11416 | { | ||||||
| 11417 | { &hf_2009_12_dpp_2_1_flags, | ||||||
| 11418 | { "Flags", "dof.dpp.v2.flags", FT_UINT8, BASE_HEX, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11419 | }, | ||||||
| 11420 | { &hf_2009_12_dpp_2_1_flag_security, | ||||||
| 11421 | { "Secure", "dof.dpp.v2.flags.security", FT_BOOLEAN, 8, NULL((void*)0), 0x80, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11422 | }, | ||||||
| 11423 | { &hf_2009_12_dpp_2_1_flag_opid, | ||||||
| 11424 | { "Operation ID Type", "dof.dpp.v2.flags.opidtype", FT_UINT8, BASE_DEC, VALS(strings_2009_12_dpp_opid_types)((0 ? (const struct _value_string*)0 : ((strings_2009_12_dpp_opid_types )))), 0x60, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11425 | { &hf_2009_12_dpp_2_1_flag_cmdrsp, | ||||||
| 11426 | { "Command/Response", "dof.dpp.v2.flags.cmdrsp", FT_BOOLEAN, 8, TFS(&tfs_response_command)((0 ? (const struct true_false_string*)0 : ((&tfs_response_command )))), 0x10, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11427 | { &hf_2009_12_dpp_2_1_flag_seq, | ||||||
| 11428 | { "Sequence", "dof.dpp.v2.flags.sequence", FT_BOOLEAN, 8, TFS(&tfs_present_not_present)((0 ? (const struct true_false_string*)0 : ((&tfs_present_not_present )))), 0x04, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11429 | { &hf_2009_12_dpp_2_1_flag_retry, | ||||||
| 11430 | { "Retry", "dof.dpp.v2.flags.retry", FT_BOOLEAN, 8, TFS(&tfs_present_not_present)((0 ? (const struct true_false_string*)0 : ((&tfs_present_not_present )))), 0x02, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11431 | |||||||
| 11432 | { &hf_2009_12_dpp_2_3_sec_flags, | ||||||
| 11433 | { "Flags", "dof.dpp.v2.security.flags", FT_UINT8, BASE_HEX, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11434 | { &hf_2009_12_dpp_2_3_sec_flag_secure, | ||||||
| 11435 | { "Security Mode Header", "dof.dpp.v2.security.flags.securitymodeheader", FT_UINT8, BASE_DEC, NULL((void*)0), 0x80, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11436 | { &hf_2009_12_dpp_2_3_sec_flag_rdid, | ||||||
| 11437 | { "Remote Domain ID", "dof.dpp.v2.security.flags.rdid", FT_UINT8, BASE_DEC, NULL((void*)0), 0x08, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11438 | { &hf_2009_12_dpp_2_3_sec_flag_partition, | ||||||
| 11439 | { "Partition Present", "dof.dpp.v2.security.flags.partition", FT_UINT8, BASE_DEC, NULL((void*)0), 0x04, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11440 | { &hf_2009_12_dpp_2_3_sec_flag_ssid, | ||||||
| 11441 | { "SSID Present", "dof.dpp.v2.security.flags.ssid", FT_UINT8, BASE_DEC, NULL((void*)0), 0x01, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11442 | { &hf_2009_12_dpp_2_3_sec_flag_as, | ||||||
| 11443 | { "AS Present", "dof.dpp.v2.security.flags.as", FT_UINT8, BASE_DEC, NULL((void*)0), 0x02, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11444 | { &hf_2009_12_dpp_2_3_sec_ssid, | ||||||
| 11445 | { "Security State Identifier", "dof.dpp.v2.security.ssid", FT_UINT32, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11446 | { &hf_2009_12_dpp_2_3_sec_rdid, | ||||||
| 11447 | { "Remote Domain Identifier", "dof.dpp.v2.security.rdid", FT_UINT32, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11448 | { &hf_2009_12_dpp_2_3_sec_remote_partition, | ||||||
| 11449 | { "Remote Security Scope", "dof.dpp.v2.security.remote-scope", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11450 | { &hf_2009_12_dpp_2_3_sec_partition, | ||||||
| 11451 | { "Security Scope", "dof.dpp.v2.security.scope", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11452 | |||||||
| 11453 | { &hf_2009_12_dpp_2_1_opcnt, | ||||||
| 11454 | { "Operation Count", "dof.dpp.v2.opcnt", FT_UINT32, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11455 | { &hf_2009_12_dpp_2_1_seq, | ||||||
| 11456 | { "Sequence", "dof.dpp.v2.sequence", FT_UINT8, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11457 | { &hf_2009_12_dpp_2_1_retry, | ||||||
| 11458 | { "Retry", "dof.dpp.v2.retry", FT_UINT8, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11459 | { &hf_2009_12_dpp_2_1_delay, | ||||||
| 11460 | { "Delay", "dof.dpp.v2.delay", FT_UINT8, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11461 | }; | ||||||
| 11462 | |||||||
| 11463 | static hf_register_info shf[] = | ||||||
| 11464 | { | ||||||
| 11465 | { &hf_2009_12_dpp_2_14_opcode, | ||||||
| 11466 | { "Opcode", "dof.dpp.v2s.opcode", FT_UINT8, BASE_DEC, VALS(strings_2009_12_dpp_common_opcodes)((0 ? (const struct _value_string*)0 : ((strings_2009_12_dpp_common_opcodes )))), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11467 | }; | ||||||
| 11468 | |||||||
| 11469 | static int *ett[] = | ||||||
| 11470 | { | ||||||
| 11471 | &ett_2009_12_dpp_2_1_flags, | ||||||
| 11472 | &ett_2009_12_dpp_2_opid, | ||||||
| 11473 | &ett_2009_12_dpp_2_opid_history, | ||||||
| 11474 | &ett_2009_12_dpp_2_3_security, | ||||||
| 11475 | &ett_2009_12_dpp_2_3_sec_flags, | ||||||
| 11476 | &ett_2009_12_dpp_2_3_sec_remote_partition, | ||||||
| 11477 | &ett_2009_12_dpp_2_3_sec_partition, | ||||||
| 11478 | }; | ||||||
| 11479 | |||||||
| 11480 | static ei_register_info ei[] = | ||||||
| 11481 | { | ||||||
| 11482 | { &ei_dpp2_dof_10_flags_zero, { "dof.dpp.v2.flags_zero", PI_UNDECODED0x05000000, PI_ERROR0x00800000, "DPPv2: Reserved flag bits must be zero.", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 11483 | { &ei_dpp_default_flags, { "dof.dpp.v2.flags_included", PI_COMMENTS_GROUP0x0b000000, PI_NOTE0x00400000, "Default flag value is included explicitly.", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 11484 | { &ei_dpp_explicit_sender_sid_included, { "dof.dpp.v2.sender_sid_included", PI_PROTOCOL0x09000000, PI_NOTE0x00400000, "Explicit SID could be optimized, same as sender.", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 11485 | { &ei_dpp_explicit_receiver_sid_included, { "dof.dpp.v2.receiver_sid_included", PI_PROTOCOL0x09000000, PI_NOTE0x00400000, "Explicit SID could be optimized, same as receiver.", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 11486 | { &ei_dpp_no_security_context, { "dof.dpp.v2.no_context", PI_UNDECODED0x05000000, PI_WARN0x00600000, "No security context to enable packet decryption.", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 11487 | }; | ||||||
| 11488 | |||||||
| 11489 | static int *sett[] = | ||||||
| 11490 | { | ||||||
| 11491 | &ett_2009_12_dpp_common, | ||||||
| 11492 | }; | ||||||
| 11493 | |||||||
| 11494 | if (proto_2009_12_dpp <= 0) | ||||||
| 11495 | { | ||||||
| 11496 | proto_2009_12_dpp = proto_register_protocol(DOF_PRESENTATION_PROTOCOL"DOF Presentation Protocol" " V2", "DPS.DPP.V2", "dof.dpp.v2"); | ||||||
| 11497 | proto_register_field_array(proto_2009_12_dpp, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 11498 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0])); | ||||||
| 11499 | } | ||||||
| 11500 | |||||||
| 11501 | if (proto_2009_12_dpp_common <= 0) | ||||||
| 11502 | { | ||||||
| 11503 | proto_2009_12_dpp_common = proto_register_protocol(DOF_PRESENTATION_PROTOCOL"DOF Presentation Protocol" " V2 Support", "DPS.DPP.V2S", "dof.dpp.v2s"); | ||||||
| 11504 | |||||||
| 11505 | proto_register_field_array(proto_2009_12_dpp, shf, array_length(shf)(sizeof (shf) / sizeof (shf)[0])); | ||||||
| 11506 | proto_register_subtree_array(sett, array_length(sett)(sizeof (sett) / sizeof (sett)[0])); | ||||||
| 11507 | |||||||
| 11508 | expert_dpp = expert_register_protocol(proto_2009_12_dpp); | ||||||
| 11509 | expert_register_field_array(expert_dpp, ei, array_length(ei)(sizeof (ei) / sizeof (ei)[0])); | ||||||
| 11510 | } | ||||||
| 11511 | } | ||||||
| 11512 | |||||||
| 11513 | /** | ||||||
| 11514 | * The registration hand-off routine | ||||||
| 11515 | */ | ||||||
| 11516 | static void dof_reg_handoff_dpp_2(void) | ||||||
| 11517 | { | ||||||
| 11518 | dissector_handle_t dpp_handle; | ||||||
| 11519 | dpp_handle = create_dissector_handle(dissect_dpp_2, proto_2009_12_dpp); | ||||||
| 11520 | dissector_add_uint("dof.dpp", 2, dpp_handle); | ||||||
| 11521 | } | ||||||
| 11522 | |||||||
| 11523 | /** | ||||||
| 11524 | * Initialize Core DPP Functionality | ||||||
| 11525 | */ | ||||||
| 11526 | static void dof_dpp_register(void) | ||||||
| 11527 | { | ||||||
| 11528 | static hf_register_info hf[] = | ||||||
| 11529 | { | ||||||
| 11530 | { &hf_2008_1_dpp_sid_num, | ||||||
| 11531 | { "SID ID", "dof.dpp.v2.sid-id", FT_UINT32, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11532 | }, | ||||||
| 11533 | { &hf_2008_1_dpp_sid_str, | ||||||
| 11534 | { "SID", "dof.dpp.v2.sid", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11535 | }, | ||||||
| 11536 | { &hf_2008_1_dpp_rid_num, | ||||||
| 11537 | { "RID ID", "dof.dpp.v2.rid-id", FT_UINT32, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11538 | }, | ||||||
| 11539 | { &hf_2008_1_dpp_rid_str, | ||||||
| 11540 | { "RID", "dof.dpp.v2.rid", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11541 | }, | ||||||
| 11542 | { &hf_2008_1_dpp_first_command, | ||||||
| 11543 | { "First Operation", "dof.dpp.v2.first-operation", FT_FRAMENUM, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11544 | { &hf_2008_1_dpp_last_command, | ||||||
| 11545 | { "Last Operation", "dof.dpp.v2.last-operation", FT_FRAMENUM, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11546 | { &hf_2008_1_dpp_first_response, | ||||||
| 11547 | { "First Response", "dof.dpp.v2.first-response", FT_FRAMENUM, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11548 | { &hf_2008_1_dpp_last_response, | ||||||
| 11549 | { "Last Response", "dof.dpp.v2.last-response", FT_FRAMENUM, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11550 | { &hf_2008_1_dpp_related_frame, | ||||||
| 11551 | { "Related Frame", "dof.dpp.v2.related-frame", FT_FRAMENUM, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11552 | { &hf_2008_1_dpp_1_flag, | ||||||
| 11553 | { "Flags", "dof.dpp.flag", FT_BOOLEAN, 8, TFS(&tfs_present_not_present)((0 ? (const struct true_false_string*)0 : ((&tfs_present_not_present )))), 0x80, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11554 | }, | ||||||
| 11555 | { &hf_2008_1_dpp_1_version, | ||||||
| 11556 | { "Version", "dof.dpp.version", FT_UINT8, BASE_DEC, NULL((void*)0), 0x7F, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11557 | }, | ||||||
| 11558 | }; | ||||||
| 11559 | |||||||
| 11560 | static int *ett[] = | ||||||
| 11561 | { | ||||||
| 11562 | &ett_2008_1_dpp, | ||||||
| 11563 | &ett_2008_1_dpp_1_header, | ||||||
| 11564 | }; | ||||||
| 11565 | |||||||
| 11566 | static ei_register_info ei[] = | ||||||
| 11567 | { | ||||||
| 11568 | { &ei_dof_6_timeout, { "dof.dpp.timeout", PI_PROTOCOL0x09000000, PI_ERROR0x00800000, "DOF Violation: DPS.6: Negotiation not complete within 10 seconds.", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 11569 | }; | ||||||
| 11570 | |||||||
| 11571 | if (proto_2008_1_dpp <= 0) | ||||||
| 11572 | { | ||||||
| 11573 | expert_module_t *expert_dpp; | ||||||
| 11574 | |||||||
| 11575 | proto_2008_1_dpp = proto_register_protocol(DOF_PRESENTATION_PROTOCOL"DOF Presentation Protocol", "DPS.DPP", "dof.dpp"); | ||||||
| 11576 | |||||||
| 11577 | proto_register_field_array(proto_2008_1_dpp, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 11578 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0])); | ||||||
| 11579 | dof_dpp_dissectors = register_dissector_table("dof.dpp", "DOF DPP Version", proto_2008_1_dpp, FT_UINT8, BASE_DEC); | ||||||
| 11580 | |||||||
| 11581 | expert_dpp = expert_register_protocol(proto_2008_1_dpp); | ||||||
| 11582 | expert_register_field_array(expert_dpp, ei, array_length(ei)(sizeof (ei) / sizeof (ei)[0])); | ||||||
| 11583 | } | ||||||
| 11584 | |||||||
| 11585 | dof_register_dpp_0(); | ||||||
| 11586 | dof_register_dpp_2(); | ||||||
| 11587 | } | ||||||
| 11588 | |||||||
| 11589 | static void dof_dpp_handoff(void) | ||||||
| 11590 | { | ||||||
| 11591 | dof_reg_handoff_dpp_0(); | ||||||
| 11592 | dof_reg_handoff_dpp_2(); | ||||||
| 11593 | } | ||||||
| 11594 | |||||||
| 11595 | /* General Application Registration Support */ | ||||||
| 11596 | |||||||
| 11597 | static void app_reset(void) | ||||||
| 11598 | { | ||||||
| 11599 | } | ||||||
| 11600 | |||||||
| 11601 | static void app_cleanup(void) | ||||||
| 11602 | { | ||||||
| 11603 | } | ||||||
| 11604 | |||||||
| 11605 | /** | ||||||
| 11606 | * Initialize Core DPP Functionality | ||||||
| 11607 | */ | ||||||
| 11608 | static void app_register(void) | ||||||
| 11609 | { | ||||||
| 11610 | if (proto_2008_1_app <= 0) | ||||||
| 11611 | { | ||||||
| 11612 | proto_2008_1_app = proto_register_protocol(DOF_APPLICATION_PROTOCOL"DOF Application Protocol", "DPS.APP", "dof.app"); | ||||||
| 11613 | app_dissectors = register_dissector_table("dof.app", "DOF APP Version", proto_2008_1_app, FT_UINT16, BASE_DEC); | ||||||
| 11614 | } | ||||||
| 11615 | } | ||||||
| 11616 | |||||||
| 11617 | static void app_handoff(void) | ||||||
| 11618 | { | ||||||
| 11619 | } | ||||||
| 11620 | |||||||
| 11621 | /* DSP Registration Support */ | ||||||
| 11622 | |||||||
| 11623 | static void dof_dsp_reset(void) | ||||||
| 11624 | { | ||||||
| 11625 | } | ||||||
| 11626 | |||||||
| 11627 | static void dof_dsp_cleanup(void) | ||||||
| 11628 | { | ||||||
| 11629 | } | ||||||
| 11630 | |||||||
| 11631 | static void dof_register_dsp_0(void) | ||||||
| 11632 | { | ||||||
| 11633 | static hf_register_info hf[] = | ||||||
| 11634 | { | ||||||
| 11635 | { &hf_2008_1_app_version, | ||||||
| 11636 | { "APPID", "dof.app.v0.appid", FT_UINT16, BASE_HEX, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } | ||||||
| 11637 | }, | ||||||
| 11638 | |||||||
| 11639 | { &hf_2008_1_dsp_12_opcode, | ||||||
| 11640 | { "Opcode", "dof.dsp.opcode", FT_UINT8, BASE_DEC, VALS(strings_2008_1_dsp_opcodes)((0 ? (const struct _value_string*)0 : ((strings_2008_1_dsp_opcodes )))), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11641 | |||||||
| 11642 | { &hf_2008_1_dsp_attribute_code, | ||||||
| 11643 | { "Attribute Code", "dof.dsp.avp.attribute-code", FT_UINT8, BASE_DEC, VALS(strings_2008_1_dsp_attribute_codes)((0 ? (const struct _value_string*)0 : ((strings_2008_1_dsp_attribute_codes )))), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11644 | |||||||
| 11645 | { &hf_2008_1_dsp_attribute_data, | ||||||
| 11646 | { "Attribute Data", "dof.dsp.avp.attribute-data", FT_UINT16, BASE_HEX, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11647 | |||||||
| 11648 | { &hf_2008_1_dsp_value_length, | ||||||
| 11649 | { "Value Length", "dof.dsp.avp.value-length", FT_UINT8, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11650 | |||||||
| 11651 | { &hf_2008_1_dsp_value_data, | ||||||
| 11652 | { "Value Data", "dof.dsp.avp.value-data", FT_BYTES, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11653 | }; | ||||||
| 11654 | |||||||
| 11655 | static int *ett[] = | ||||||
| 11656 | { | ||||||
| 11657 | &ett_2008_1_dsp_12, | ||||||
| 11658 | &ett_2008_1_dsp_12_options, | ||||||
| 11659 | &ett_2008_1_dsp_12_option, | ||||||
| 11660 | }; | ||||||
| 11661 | |||||||
| 11662 | proto_2008_1_dsp = proto_register_protocol("DOF Session Protocol", "DOF.ESP", "dof.esp"); | ||||||
| 11663 | |||||||
| 11664 | proto_register_field_array(proto_2008_1_dsp, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 11665 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0])); | ||||||
| 11666 | } | ||||||
| 11667 | |||||||
| 11668 | /** | ||||||
| 11669 | * The registration hand-off routine | ||||||
| 11670 | */ | ||||||
| 11671 | static void dof_reg_handoff_dsp_0(void) | ||||||
| 11672 | { | ||||||
| 11673 | dissector_handle_t dsp_handle = create_dissector_handle(dissect_dsp, proto_2008_1_dsp); | ||||||
| 11674 | dissector_add_uint("dof.app", 0, dsp_handle); | ||||||
| 11675 | } | ||||||
| 11676 | |||||||
| 11677 | static void dof_dsp_register(void) | ||||||
| 11678 | { | ||||||
| 11679 | dof_register_dsp_0(); | ||||||
| 11680 | } | ||||||
| 11681 | |||||||
| 11682 | static void dof_dsp_handoff(void) | ||||||
| 11683 | { | ||||||
| 11684 | dof_reg_handoff_dsp_0(); | ||||||
| 11685 | } | ||||||
| 11686 | |||||||
| 11687 | /* CCM Registration Support */ | ||||||
| 11688 | |||||||
| 11689 | static void dof_ccm_reset(void) | ||||||
| 11690 | { | ||||||
| 11691 | } | ||||||
| 11692 | |||||||
| 11693 | static void dof_ccm_cleanup(void) | ||||||
| 11694 | { | ||||||
| 11695 | } | ||||||
| 11696 | |||||||
| 11697 | static void dof_register_ccm_24577(void) | ||||||
| 11698 | { | ||||||
| 11699 | expert_module_t *expert_ccm; | ||||||
| 11700 | |||||||
| 11701 | static hf_register_info hfdsp[] = | ||||||
| 11702 | { | ||||||
| 11703 | { &hf_ccm_dsp_option, | ||||||
| 11704 | { "CCM Security Mode", "dof.ccm.dsp_opt", FT_NONE, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11705 | { &hf_ccm_dsp_strength_count, | ||||||
| 11706 | { "CCM Strength Count", "dof.ccm.strength-count", FT_UINT8, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11707 | { &hf_ccm_dsp_strength, | ||||||
| 11708 | { "CCM Strength", "dof.ccm.strength", FT_UINT8, BASE_DEC, VALS(ccm_strengths)((0 ? (const struct _value_string*)0 : ((ccm_strengths)))), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11709 | { &hf_ccm_dsp_e_flag, | ||||||
| 11710 | { "CCM Minimum Encrypt", "dof.ccm.encrypt.min", FT_BOOLEAN, 8, TFS(&tfs_encrypt_do_not_encrypt)((0 ? (const struct true_false_string*)0 : ((&tfs_encrypt_do_not_encrypt )))), 0x80, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11711 | { &hf_ccm_dsp_m_flag, | ||||||
| 11712 | { "CCM Maximum Encrypt", "dof.ccm.encrypt.max", FT_BOOLEAN, 8, TFS(&tfs_encrypt_do_not_encrypt)((0 ? (const struct true_false_string*)0 : ((&tfs_encrypt_do_not_encrypt )))), 0x40, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11713 | { &hf_ccm_dsp_tmax, | ||||||
| 11714 | { "CCM Maximum MAC", "dof.ccm.mac.max", FT_UINT8, BASE_DEC, NULL((void*)0), 0x38, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11715 | { &hf_ccm_dsp_tmin, | ||||||
| 11716 | { "CCM Minimum MAC", "dof.ccm.mac.min", FT_UINT8, BASE_DEC, NULL((void*)0), 0x07, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11717 | }; | ||||||
| 11718 | |||||||
| 11719 | static hf_register_info hf[] = | ||||||
| 11720 | { | ||||||
| 11721 | { &hf_ccm_opcode, | ||||||
| 11722 | { "Opcode", "dof.ccm.opcode", FT_UINT8, BASE_DEC, VALS(ccm_opcode_strings)((0 ? (const struct _value_string*)0 : ((ccm_opcode_strings)) )), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11723 | }; | ||||||
| 11724 | |||||||
| 11725 | static int *ett[] = | ||||||
| 11726 | { | ||||||
| 11727 | &ett_ccm_dsp_option, | ||||||
| 11728 | &ett_ccm_dsp, | ||||||
| 11729 | &ett_ccm, | ||||||
| 11730 | }; | ||||||
| 11731 | |||||||
| 11732 | static hf_register_info hfheader[] = | ||||||
| 11733 | { | ||||||
| 11734 | { &hf_epp_v1_ccm_flags, | ||||||
| 11735 | { "Flags", "dof.epp.v1.ccm.flags", FT_UINT8, BASE_HEX, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11736 | { &hf_epp_v1_ccm_flags_manager, | ||||||
| 11737 | { "Manager", "dof.epp.v1.ccm.flags.manager", FT_UINT8, BASE_DEC, NULL((void*)0), 0x80, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11738 | { &hf_epp_v1_ccm_flags_period, | ||||||
| 11739 | { "Period", "dof.epp.v1.ccm.flags.period", FT_UINT8, BASE_DEC, NULL((void*)0), 0x70, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11740 | { &hf_epp_v1_ccm_flags_target, | ||||||
| 11741 | { "Target", "dof.epp.v1.ccm.flags.target", FT_UINT8, BASE_DEC, NULL((void*)0), 0x08, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11742 | { &hf_epp_v1_ccm_flags_next_nid, | ||||||
| 11743 | { "Next Node Identifier", "dof.epp.v1.ccm.flags.next-nid", FT_UINT8, BASE_DEC, NULL((void*)0), 0x02, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11744 | { &hf_epp_v1_ccm_flags_packet, | ||||||
| 11745 | { "Packet", "dof.epp.v1.ccm.flags.packet", FT_UINT8, BASE_DEC, NULL((void*)0), 0x01, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11746 | { &hf_epp_v1_ccm_nid, | ||||||
| 11747 | { "Node ID", "dof.epp.v1.ccm.nodeid", FT_UINT32, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11748 | { &hf_epp_v1_ccm_slot, | ||||||
| 11749 | { "Slot", "dof.epp.v1.ccm.slot", FT_UINT16, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11750 | { &hf_epp_v1_ccm_pn, | ||||||
| 11751 | { "Packet", "dof.epp.v1.ccm.packet", FT_UINT32, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11752 | { &hf_epp_v1_ccm_tnid, | ||||||
| 11753 | { "Target Node ID", "dof.epp.v1.ccm.target", FT_UINT32, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11754 | { &hf_epp_v1_ccm_nnid, | ||||||
| 11755 | { "Next Node ID", "dof.epp.v1.ccm.nnid", FT_UINT32, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11756 | }; | ||||||
| 11757 | |||||||
| 11758 | static int *ettheader[] = | ||||||
| 11759 | { | ||||||
| 11760 | &ett_epp_v1_ccm_flags, | ||||||
| 11761 | &ett_header, | ||||||
| 11762 | }; | ||||||
| 11763 | |||||||
| 11764 | static ei_register_info ei[] = | ||||||
| 11765 | { | ||||||
| 11766 | { &ei_decode_failure, { "dof.ccm.decode_failure", PI_UNDECODED0x05000000, PI_WARN0x00600000, "Failure to decrypt packet.", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 11767 | }; | ||||||
| 11768 | |||||||
| 11769 | /* No Configuration options to register? */ | ||||||
| 11770 | |||||||
| 11771 | proto_ccm_app = proto_register_protocol("DOF CCM Security Mode App", "DOF.CCM.APP", "dof.ccm.app"); | ||||||
| 11772 | proto_ccm = proto_register_protocol("DOF CCM Security Mode of Operation", "DOF.CCM", "dof.ccm"); | ||||||
| 11773 | proto_ccm_dsp = proto_register_protocol("DOF CCM Security Mode DSP Options", "DOF.CCM.DSP", "dof.ccm.dsp"); | ||||||
| 11774 | |||||||
| 11775 | proto_register_field_array(proto_ccm_app, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 11776 | proto_register_field_array(proto_ccm_dsp, hfdsp, array_length(hfdsp)(sizeof (hfdsp) / sizeof (hfdsp)[0])); | ||||||
| 11777 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0])); | ||||||
| 11778 | |||||||
| 11779 | proto_register_field_array(proto_ccm, hfheader, array_length(hfheader)(sizeof (hfheader) / sizeof (hfheader)[0])); | ||||||
| 11780 | proto_register_subtree_array(ettheader, array_length(ettheader)(sizeof (ettheader) / sizeof (ettheader)[0])); | ||||||
| 11781 | |||||||
| 11782 | expert_ccm = expert_register_protocol(proto_ccm); | ||||||
| 11783 | expert_register_field_array(expert_ccm, ei, array_length(ei)(sizeof (ei) / sizeof (ei)[0])); | ||||||
| 11784 | } | ||||||
| 11785 | |||||||
| 11786 | /** | ||||||
| 11787 | * The registration hand-off routine | ||||||
| 11788 | */ | ||||||
| 11789 | static void dof_reg_handoff_ccm_24577(void) | ||||||
| 11790 | { | ||||||
| 11791 | static dissector_handle_t ccm_app_handle; | ||||||
| 11792 | static dissector_handle_t dsp_handle; | ||||||
| 11793 | static dissector_handle_t ccm_handle; | ||||||
| 11794 | |||||||
| 11795 | ccm_app_handle = create_dissector_handle(dissect_ccm_app, proto_ccm_app); | ||||||
| 11796 | dsp_handle = create_dissector_handle(dissect_ccm_dsp, proto_ccm_dsp); | ||||||
| 11797 | ccm_handle = create_dissector_handle(dissect_ccm, proto_ccm); | ||||||
| 11798 | |||||||
| 11799 | dissector_add_uint("dof.app", DOF_PROTOCOL_CCM24577, ccm_app_handle); | ||||||
| 11800 | dissector_add_uint("dof.dsp.options", DSP_CCM_FAMILY0x020000 | DOF_PROTOCOL_CCM24577, dsp_handle); | ||||||
| 11801 | dissector_add_uint("dof.secmode", DOF_PROTOCOL_CCM24577, ccm_handle); | ||||||
| 11802 | } | ||||||
| 11803 | |||||||
| 11804 | static void dof_ccm_register(void) | ||||||
| 11805 | { | ||||||
| 11806 | dof_register_ccm_24577(); | ||||||
| 11807 | } | ||||||
| 11808 | |||||||
| 11809 | static void dof_ccm_handoff(void) | ||||||
| 11810 | { | ||||||
| 11811 | dof_reg_handoff_ccm_24577(); | ||||||
| 11812 | } | ||||||
| 11813 | |||||||
| 11814 | /* OAP Registration Support */ | ||||||
| 11815 | |||||||
| 11816 | static void dof_oap_reset(void) | ||||||
| 11817 | { | ||||||
| 11818 | /* Keys and values are not owned by the table. Drop the previous table on each file load. */ | ||||||
| 11819 | if (oap_1_alias_to_binding) | ||||||
| 11820 | g_hash_table_destroy(oap_1_alias_to_binding); | ||||||
| 11821 | oap_1_alias_to_binding = g_hash_table_new_full(oap_1_alias_hash_func, oap_1_alias_equal_func, NULL((void*)0), NULL((void*)0)); | ||||||
| 11822 | } | ||||||
| 11823 | |||||||
| 11824 | static void dof_oap_cleanup(void) | ||||||
| 11825 | { | ||||||
| 11826 | g_hash_table_destroy(oap_1_alias_to_binding); | ||||||
| 11827 | oap_1_alias_to_binding = NULL((void*)0); | ||||||
| 11828 | } | ||||||
| 11829 | |||||||
| 11830 | static void dof_register_oap_1(void) | ||||||
| 11831 | { | ||||||
| 11832 | expert_module_t *expert_oap; | ||||||
| 11833 | |||||||
| 11834 | static hf_register_info hfdsp[] = | ||||||
| 11835 | { | ||||||
| 11836 | { &hf_oap_1_dsp_option, | ||||||
| 11837 | { "Object Access Protocol", "dof.oap.dsp_opt", FT_NONE, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11838 | }; | ||||||
| 11839 | |||||||
| 11840 | static hf_register_info hf[] = | ||||||
| 11841 | { | ||||||
| 11842 | { &hf_oap_1_opcode, | ||||||
| 11843 | { "Opcode", "dof.oap.opcode", FT_UINT8, BASE_DEC, VALS(oap_opcode_strings)((0 ? (const struct _value_string*)0 : ((oap_opcode_strings)) )), 0x1F, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11844 | |||||||
| 11845 | { &hf_oap_1_alias_size, | ||||||
| 11846 | { "Alias Length", "dof.oap.aliaslen", FT_UINT8, BASE_DEC, NULL((void*)0), 0xC0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11847 | |||||||
| 11848 | { &hf_oap_1_flags, | ||||||
| 11849 | { "Flags", "dof.oap.flags", FT_UINT8, BASE_DEC, NULL((void*)0), 0x20, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11850 | |||||||
| 11851 | { &hf_oap_1_exception_internal_flag, | ||||||
| 11852 | { "Internal Exception", "dof.oap.exception.internal", FT_UINT8, BASE_DEC, NULL((void*)0), 0x80, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11853 | |||||||
| 11854 | { &hf_oap_1_exception_final_flag, | ||||||
| 11855 | { "Final Exception", "dof.oap.exception.final", FT_UINT8, BASE_DEC, NULL((void*)0), 0x40, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11856 | |||||||
| 11857 | { &hf_oap_1_exception_provider_flag, | ||||||
| 11858 | { "Exception Provider", "dof.oap.exception.provider", FT_UINT8, BASE_DEC, NULL((void*)0), 0x20, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11859 | |||||||
| 11860 | { &hf_oap_1_cmdcontrol, | ||||||
| 11861 | { "Command Control", "dof.oap.cmdcontrol", FT_UINT8, BASE_HEX, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11862 | |||||||
| 11863 | { &hf_oap_1_cmdcontrol_cache_flag, | ||||||
| 11864 | { "Cache Delay Flag", "dof.oap.cmdcontrol.flag.cache", FT_UINT8, BASE_HEX, NULL((void*)0), 0x40, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11865 | |||||||
| 11866 | { &hf_oap_1_cmdcontrol_cache, | ||||||
| 11867 | { "Cache Delay", "dof.oap.cmdcontrol.cache", FT_UINT8, BASE_HEX, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11868 | |||||||
| 11869 | { &hf_oap_1_cmdcontrol_verbosity_flag, | ||||||
| 11870 | { "Verbosity Flag", "dof.oap.cmdcontrol.flag.verbosity", FT_UINT8, BASE_HEX, NULL((void*)0), 0x30, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11871 | |||||||
| 11872 | { &hf_oap_1_cmdcontrol_noexecute_flag, | ||||||
| 11873 | { "No Execute Flag", "dof.oap.cmdcontrol.flag.noexecute", FT_UINT8, BASE_HEX, NULL((void*)0), 0x08, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11874 | |||||||
| 11875 | { &hf_oap_1_cmdcontrol_ack_flag, | ||||||
| 11876 | { "Ack List Flag", "dof.oap.cmdcontrol.flag.ack", FT_UINT8, BASE_HEX, NULL((void*)0), 0x04, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11877 | |||||||
| 11878 | { &hf_oap_1_cmdcontrol_ackcnt, | ||||||
| 11879 | { "Ack List Count", "dof.oap.cmdcontrol.ackcnt", FT_UINT8, BASE_HEX, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11880 | |||||||
| 11881 | { &hf_oap_1_cmdcontrol_ack, | ||||||
| 11882 | { "Ack", "dof.oap.cmdcontrol.ack", FT_BYTES, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11883 | |||||||
| 11884 | { &hf_oap_1_cmdcontrol_delay_flag, | ||||||
| 11885 | { "Execution Delay Flag", "dof.oap.cmdcontrol.flag.delay", FT_UINT8, BASE_HEX, NULL((void*)0), 0x02, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11886 | |||||||
| 11887 | { &hf_oap_1_cmdcontrol_heuristic_flag, | ||||||
| 11888 | { "Heuristic Flag", "dof.oap.cmdcontrol.flag.heuristic", FT_UINT8, BASE_HEX, NULL((void*)0), 0x01, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11889 | |||||||
| 11890 | { &hf_oap_1_cmdcontrol_heuristic, | ||||||
| 11891 | { "Heuristic", "dof.oap.cmdcontrol.heuristic", FT_UINT8, BASE_HEX, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11892 | |||||||
| 11893 | { &hf_oap_1_providerid, | ||||||
| 11894 | { "Provider ID", "dof.oap.provider-id", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11895 | |||||||
| 11896 | { &hf_oap_1_objectid, | ||||||
| 11897 | { "Object ID", "dof.oap.object-id", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11898 | |||||||
| 11899 | { &hf_oap_1_interfaceid, | ||||||
| 11900 | { "Interface ID", "dof.oap.interface-id", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11901 | |||||||
| 11902 | { &hf_oap_1_itemid, | ||||||
| 11903 | { "Item ID", "dof.oap.item-id", FT_UINT16, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11904 | |||||||
| 11905 | #if 0 /* not used yet */ | ||||||
| 11906 | { &hf_oap_1_distance, | ||||||
| 11907 | { "Distance", "dof.oap.distance", FT_UINT8, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11908 | #endif | ||||||
| 11909 | |||||||
| 11910 | { &hf_oap_1_alias, | ||||||
| 11911 | { "Alias", "dof.oap.alias", FT_UINT32, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11912 | |||||||
| 11913 | { &hf_oap_1_alias_frame, | ||||||
| 11914 | { "Alias Frame", "dof.oap.alias-frame", FT_FRAMENUM, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11915 | |||||||
| 11916 | #if 0 /* not used yet */ | ||||||
| 11917 | { &hf_oap_1_opinfo_start_frame, | ||||||
| 11918 | { "Command Frame", "dof.oap.command-frame", FT_FRAMENUM, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11919 | |||||||
| 11920 | { &hf_oap_1_opinfo_end_frame, | ||||||
| 11921 | { "Response Frame", "dof.oap.response-frame", FT_FRAMENUM, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11922 | |||||||
| 11923 | { &hf_oap_1_opinfo_timeout, | ||||||
| 11924 | { "Operation Timeout", "dof.oap.opid.timeout", FT_RELATIVE_TIME, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11925 | #endif | ||||||
| 11926 | |||||||
| 11927 | { &hf_oap_1_subscription_delta, | ||||||
| 11928 | { "Minimum Delta", "dof.oap.subscription.min-delta", FT_UINT16, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11929 | |||||||
| 11930 | { &hf_oap_1_update_sequence, | ||||||
| 11931 | { "Sequence", "dof.oap.sequence", FT_UINT16, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11932 | |||||||
| 11933 | { &hf_oap_1_value_list, | ||||||
| 11934 | { "OAP Value List", "dof.oap.value_list", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 11935 | }; | ||||||
| 11936 | |||||||
| 11937 | static int *ett[] = | ||||||
| 11938 | { | ||||||
| 11939 | &ett_oap_1_dsp, | ||||||
| 11940 | &ett_oap_1_dsp_options, | ||||||
| 11941 | &ett_oap_1, | ||||||
| 11942 | &ett_oap_1_opinfo, | ||||||
| 11943 | &ett_oap_1_cmdcontrol, | ||||||
| 11944 | &ett_oap_1_cmdcontrol_flags, | ||||||
| 11945 | &ett_oap_1_cmdcontrol_ack, | ||||||
| 11946 | &ett_oap_1_alias, | ||||||
| 11947 | &ett_oap_1_objectid, | ||||||
| 11948 | &ett_oap_1_1_providerid, | ||||||
| 11949 | }; | ||||||
| 11950 | |||||||
| 11951 | static ei_register_info ei[] = | ||||||
| 11952 | { | ||||||
| 11953 | { &ei_oap_no_session, { "dof.oap.no_session", PI_PROTOCOL0x09000000, PI_ERROR0x00800000, "Session not found", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 11954 | }; | ||||||
| 11955 | |||||||
| 11956 | proto_oap_1 = proto_register_protocol("DOF Object Access Protocol", "DOF.OAP", "dof.oap"); | ||||||
| 11957 | proto_oap_1_dsp = proto_register_protocol("DOF Object Access Protocol DSP Options", "DOF.OAP.DSP", "dof.oap.dsp"); | ||||||
| 11958 | |||||||
| 11959 | proto_register_field_array(proto_oap_1, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 11960 | proto_register_field_array(proto_oap_1_dsp, hfdsp, array_length(hfdsp)(sizeof (hfdsp) / sizeof (hfdsp)[0])); | ||||||
| 11961 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0])); | ||||||
| 11962 | |||||||
| 11963 | expert_oap = expert_register_protocol(proto_oap_1); | ||||||
| 11964 | expert_register_field_array(expert_oap, ei, array_length(ei)(sizeof (ei) / sizeof (ei)[0])); | ||||||
| 11965 | } | ||||||
| 11966 | |||||||
| 11967 | /** | ||||||
| 11968 | * The registration hand-off routine | ||||||
| 11969 | */ | ||||||
| 11970 | static void dof_reg_handoff_oap_1(void) | ||||||
| 11971 | { | ||||||
| 11972 | dissector_handle_t oap_handle = create_dissector_handle(dissect_oap, proto_oap_1); | ||||||
| 11973 | dissector_handle_t dsp_handle = create_dissector_handle(dissect_oap_dsp, proto_oap_1_dsp); | ||||||
| 11974 | |||||||
| 11975 | dissector_add_uint("dof.app", DOF_PROTOCOL_OAP_11, oap_handle); | ||||||
| 11976 | dissector_add_uint("dof.dsp.options", DSP_OAP_FAMILY0x010000 | DOF_PROTOCOL_OAP_11, dsp_handle); | ||||||
| 11977 | } | ||||||
| 11978 | |||||||
| 11979 | static void dof_oap_register(void) | ||||||
| 11980 | { | ||||||
| 11981 | dof_register_oap_1(); | ||||||
| 11982 | } | ||||||
| 11983 | |||||||
| 11984 | static void dof_oap_handoff(void) | ||||||
| 11985 | { | ||||||
| 11986 | dof_reg_handoff_oap_1(); | ||||||
| 11987 | } | ||||||
| 11988 | |||||||
| 11989 | /* SGMP Registration Support */ | ||||||
| 11990 | |||||||
| 11991 | static void dof_register_sgmp_130(void); | ||||||
| 11992 | static void dof_reg_handoff_sgmp_130(void); | ||||||
| 11993 | |||||||
| 11994 | static void dof_sgmp_reset(void) | ||||||
| 11995 | { | ||||||
| 11996 | } | ||||||
| 11997 | |||||||
| 11998 | static void dof_sgmp_cleanup(void) | ||||||
| 11999 | { | ||||||
| 12000 | } | ||||||
| 12001 | |||||||
| 12002 | static void dof_register_sgmp_130(void) | ||||||
| 12003 | { | ||||||
| 12004 | static hf_register_info hf[] = | ||||||
| 12005 | { | ||||||
| 12006 | { &hf_opcode, | ||||||
| 12007 | { "Opcode", "dof.sgmp.v1.opcode", FT_UINT8, BASE_DEC, VALS(sgmp_opcode_strings)((0 ? (const struct _value_string*)0 : ((sgmp_opcode_strings) ))), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12008 | |||||||
| 12009 | { &hf_sgmp_domain, | ||||||
| 12010 | { "Domain", "dof.sgmp.v1.domain", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12011 | |||||||
| 12012 | { &hf_sgmp_epoch, | ||||||
| 12013 | { "Epoch", "dof.sgmp.v1.epoch", FT_UINT16, BASE_HEX, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12014 | |||||||
| 12015 | { &hf_initiator_block, | ||||||
| 12016 | { "Initiator Block", "dof.sgmp.v1.initiator-block", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12017 | |||||||
| 12018 | { &hf_sgmp_security_scope, | ||||||
| 12019 | { "Security Scope", "dof.sgmp.v1.security-scope", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12020 | |||||||
| 12021 | { &hf_initial_state, | ||||||
| 12022 | { "Initial State", "dof.sgmp.v1.initial-state", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12023 | |||||||
| 12024 | { &hf_latest_version, | ||||||
| 12025 | { "Latest SGMP Version", "dof.sgmp.v1.latest-sgmp-version", FT_UINT16, BASE_HEX, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12026 | |||||||
| 12027 | { &hf_desire, | ||||||
| 12028 | { "Desire", "dof.sgmp.v1.desire", FT_UINT8, BASE_HEX, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12029 | |||||||
| 12030 | { &hf_ticket, | ||||||
| 12031 | { "Ticket", "dof.sgmp.v1.ticket", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12032 | |||||||
| 12033 | { &hf_sgmp_tmin, | ||||||
| 12034 | { "TMIN", "dof.sgmp.v1.tmin", FT_UINT16, BASE_HEX, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12035 | |||||||
| 12036 | { &hf_tie_breaker, | ||||||
| 12037 | { "Tie Breaker", "dof.sgmp.v1.tie-breaker", FT_UINT32, BASE_HEX, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12038 | |||||||
| 12039 | { &hf_delay, | ||||||
| 12040 | { "Delay", "dof.sgmp.v1.delay", FT_UINT8, BASE_HEX, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12041 | |||||||
| 12042 | { &hf_key, | ||||||
| 12043 | { "Key", "dof.sgmp.v1.key", FT_BYTES, BASE_NONE, NULL((void*)0), 0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12044 | }; | ||||||
| 12045 | |||||||
| 12046 | static int *ett[] = | ||||||
| 12047 | { | ||||||
| 12048 | &ett_sgmp, | ||||||
| 12049 | &ett_sgmp_domain, | ||||||
| 12050 | &ett_initiator_block, | ||||||
| 12051 | &ett_sgmp_security_scope, | ||||||
| 12052 | &ett_initial_state, | ||||||
| 12053 | &ett_ticket, | ||||||
| 12054 | }; | ||||||
| 12055 | |||||||
| 12056 | proto_sgmp = proto_register_protocol("DOF Secure Group Management Protocol", "DOF.SGMP", "dof.sgmp"); | ||||||
| 12057 | |||||||
| 12058 | proto_register_field_array(proto_sgmp, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 12059 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0])); | ||||||
| 12060 | } | ||||||
| 12061 | |||||||
| 12062 | /** | ||||||
| 12063 | * The registration hand-off routine | ||||||
| 12064 | */ | ||||||
| 12065 | static void dof_reg_handoff_sgmp_130(void) | ||||||
| 12066 | { | ||||||
| 12067 | dissector_handle_t sgmp_handle = create_dissector_handle(dissect_sgmp, proto_sgmp); | ||||||
| 12068 | |||||||
| 12069 | dissector_add_uint("dof.app", DOF_PROTOCOL_SGMP130, sgmp_handle); | ||||||
| 12070 | } | ||||||
| 12071 | |||||||
| 12072 | static void dof_sgmp_register(void) | ||||||
| 12073 | { | ||||||
| 12074 | dof_register_sgmp_130(); | ||||||
| 12075 | } | ||||||
| 12076 | |||||||
| 12077 | static void dof_sgmp_handoff(void) | ||||||
| 12078 | { | ||||||
| 12079 | dof_reg_handoff_sgmp_130(); | ||||||
| 12080 | } | ||||||
| 12081 | |||||||
| 12082 | /* TEP Registration Support */ | ||||||
| 12083 | |||||||
| 12084 | static void dof_tep_reset(void) | ||||||
| 12085 | { | ||||||
| 12086 | } | ||||||
| 12087 | |||||||
| 12088 | static void dof_tep_cleanup(void) | ||||||
| 12089 | { | ||||||
| 12090 | } | ||||||
| 12091 | |||||||
| 12092 | static void dof_register_tep_128(void) | ||||||
| 12093 | { | ||||||
| 12094 | static hf_register_info hfdsp[] = | ||||||
| 12095 | { | ||||||
| 12096 | { &hf_dsp_option, | ||||||
| 12097 | { "Ticket Exchange Protocol Version 1", "dof.tep1.dsp_opt", FT_NONE, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12098 | }; | ||||||
| 12099 | |||||||
| 12100 | static hf_register_info hf[] = | ||||||
| 12101 | { | ||||||
| 12102 | { &hf_tep_operation, | ||||||
| 12103 | { "Operation", "dof.tep1.operation", FT_UINT8, BASE_DEC, VALS(tep_opcode_strings)((0 ? (const struct _value_string*)0 : ((tep_opcode_strings)) )), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12104 | |||||||
| 12105 | { &hf_tep_operation_type, | ||||||
| 12106 | { "Operation Type", "dof.tep1.operation_type", FT_BOOLEAN, 8, TFS(&tep_optype_vals)((0 ? (const struct true_false_string*)0 : ((&tep_optype_vals )))), TEP_OPCODE_RSP(0x80), NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12107 | |||||||
| 12108 | { &hf_tep_opcode, | ||||||
| 12109 | { "Opcode", "dof.tep1.opcode", FT_UINT8, BASE_DEC, VALS(tep_opcode_strings)((0 ? (const struct _value_string*)0 : ((tep_opcode_strings)) )), 0x0F, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12110 | |||||||
| 12111 | { &hf_tep_k, | ||||||
| 12112 | { "K", "dof.tep1.k", FT_UINT8, BASE_DEC, NULL((void*)0), 0x10, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12113 | |||||||
| 12114 | { &hf_tep_c, | ||||||
| 12115 | { "C", "dof.tep1.c", FT_UINT8, BASE_DEC, NULL((void*)0), 0x20, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12116 | |||||||
| 12117 | { &hf_tep_reject_code, | ||||||
| 12118 | { "Code", "dof.tep1.reject.code", FT_UINT8, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12119 | |||||||
| 12120 | { &hf_tep_reject_data, | ||||||
| 12121 | { "Data", "dof.tep1.reject.data", FT_BYTES, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12122 | |||||||
| 12123 | /* TEP.2.1 */ | ||||||
| 12124 | { &hf_tep_2_1_domain, | ||||||
| 12125 | { "Domain", "dof.2008.4.tep1.2.1.domain", FT_NONE, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12126 | |||||||
| 12127 | { &hf_tep_2_1_initiator_block, | ||||||
| 12128 | { "Initiator Block", "dof.2008.4.tep1.2.1.initiator_block", FT_NONE, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12129 | |||||||
| 12130 | { &hf_tep_2_1_ticket_confirmation, | ||||||
| 12131 | { "Ticket Confirmation", "dof.2008.4.tep1.2.1.ticket_confirmation", FT_BYTES, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12132 | |||||||
| 12133 | /* TEP.2.2 */ | ||||||
| 12134 | { &hf_tep_2_2_initiator_ticket, | ||||||
| 12135 | { "Initiator Ticket", "dof.2008.4.tep1.2.2.initiator_ticket", FT_NONE, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12136 | |||||||
| 12137 | { &hf_tep_2_2_ticket_confirmation, | ||||||
| 12138 | { "Ticket Confirmation", "dof.2008.4.tep1.2.2.ticket_confirmation", FT_BYTES, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12139 | |||||||
| 12140 | { &hf_tep_2_2_responder_initialization, | ||||||
| 12141 | { "Responder Initialization", "dof.2008.4.tep1.2.2.responder_initialization", FT_NONE, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12142 | |||||||
| 12143 | { &hf_tep_2_2_responder_block, | ||||||
| 12144 | { "Responder Block", "dof.2008.4.tep1.2.2.responder_block", FT_NONE, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12145 | |||||||
| 12146 | { &hf_tep_2_2_authenticator_initialization, | ||||||
| 12147 | { "Authenticator Initialization", "dof.2008.4.tep1.2.2.authenticator_initialization", FT_NONE, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12148 | |||||||
| 12149 | /* TEP.2.2.1 */ | ||||||
| 12150 | { &hf_tep_2_2_1_state_identifier, | ||||||
| 12151 | { "State Identifier", "dof.2008.4.tep1.2.2.1.state_identifier", FT_UINT32, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12152 | |||||||
| 12153 | { &hf_tep_2_2_1_initial_state, | ||||||
| 12154 | { "Initial State", "dof.2008.4.tep1.2.2.1.initial_state", FT_NONE, BASE_NONE, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12155 | |||||||
| 12156 | { &hf_tep_session_key, | ||||||
| 12157 | { "Session Key", "dof.session_key", FT_BYTES, SEP_COLON, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12158 | }; | ||||||
| 12159 | |||||||
| 12160 | static int *ett[] = | ||||||
| 12161 | { | ||||||
| 12162 | &ett_tep_dsp, | ||||||
| 12163 | &ett_tep_dsp_options, | ||||||
| 12164 | &ett_tep, | ||||||
| 12165 | &ett_tep_operation, | ||||||
| 12166 | |||||||
| 12167 | &ett_tep_2_1_domain, | ||||||
| 12168 | &ett_tep_2_1_initiator_block, | ||||||
| 12169 | |||||||
| 12170 | &ett_tep_2_2_initiator_ticket, | ||||||
| 12171 | &ett_tep_2_2_responder_initialization, | ||||||
| 12172 | &ett_tep_2_2_responder_block, | ||||||
| 12173 | &ett_tep_2_2_authenticator_initialization, | ||||||
| 12174 | |||||||
| 12175 | &ett_tep_2_2_1_initial_state, | ||||||
| 12176 | }; | ||||||
| 12177 | |||||||
| 12178 | /* module_t *tep_module;*/ | ||||||
| 12179 | |||||||
| 12180 | /* No Configuration options to register? */ | ||||||
| 12181 | |||||||
| 12182 | proto_tep = proto_register_protocol("DOF Ticket Exchange Protocol Version 1", "DOF.TEP1", "dof.tep1"); | ||||||
| 12183 | |||||||
| 12184 | proto_tep_dsp = proto_register_protocol("DOF Ticket Exchange Protocol DSP Options", "DOF.TEP1.DSP", "dof.tep1.dsp"); | ||||||
| 12185 | |||||||
| 12186 | proto_register_field_array(proto_tep, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 12187 | proto_register_field_array(proto_tep_dsp, hfdsp, array_length(hfdsp)(sizeof (hfdsp) / sizeof (hfdsp)[0])); | ||||||
| 12188 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0])); | ||||||
| 12189 | |||||||
| 12190 | /* tep_module = prefs_register_protocol( proto_tep, NULL );*/ | ||||||
| 12191 | } | ||||||
| 12192 | |||||||
| 12193 | /** | ||||||
| 12194 | * The registration hand-off routine | ||||||
| 12195 | */ | ||||||
| 12196 | static void dof_reg_handoff_tep_128(void) | ||||||
| 12197 | { | ||||||
| 12198 | dissector_handle_t tep_handle = create_dissector_handle(dissect_tep, proto_tep); | ||||||
| 12199 | dissector_handle_t dsp_handle = create_dissector_handle(dissect_tep_dsp, proto_tep_dsp); | ||||||
| 12200 | |||||||
| 12201 | dissector_add_uint("dof.app", DOF_PROTOCOL_TEP128, tep_handle); | ||||||
| 12202 | dissector_add_uint("dof.dsp.options", DSP_TEP_FAMILY0x000000 | DOF_PROTOCOL_TEP128, dsp_handle); | ||||||
| 12203 | } | ||||||
| 12204 | |||||||
| 12205 | static void dof_tep_register(void) | ||||||
| 12206 | { | ||||||
| 12207 | dof_register_tep_128(); | ||||||
| 12208 | } | ||||||
| 12209 | |||||||
| 12210 | static void dof_tep_handoff(void) | ||||||
| 12211 | { | ||||||
| 12212 | dof_reg_handoff_tep_128(); | ||||||
| 12213 | } | ||||||
| 12214 | |||||||
| 12215 | /* TRP Registration Support */ | ||||||
| 12216 | |||||||
| 12217 | static void dof_trp_reset(void) | ||||||
| 12218 | { | ||||||
| 12219 | } | ||||||
| 12220 | |||||||
| 12221 | static void dof_trp_cleanup(void) | ||||||
| 12222 | { | ||||||
| 12223 | } | ||||||
| 12224 | |||||||
| 12225 | static void dof_register_trp_129(void) | ||||||
| 12226 | { | ||||||
| 12227 | expert_module_t *expert_trp; | ||||||
| 12228 | |||||||
| 12229 | static hf_register_info hfdsp[] = | ||||||
| 12230 | { | ||||||
| 12231 | { &hf_trp_dsp_option, | ||||||
| 12232 | { "Ticket Request Protocol", "dof.trp.dsp_opt", FT_NONE, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12233 | }; | ||||||
| 12234 | |||||||
| 12235 | static hf_register_info hf[] = | ||||||
| 12236 | { | ||||||
| 12237 | { &hf_trp_opcode, | ||||||
| 12238 | { "Opcode", "dof.trp.opcode", FT_UINT8, BASE_DEC, VALS(trp_opcode_strings)((0 ? (const struct _value_string*)0 : ((trp_opcode_strings)) )), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12239 | |||||||
| 12240 | { &hf_domain, | ||||||
| 12241 | { "Domain", "dof.trp.domain", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12242 | |||||||
| 12243 | { &hf_identity_resolution, | ||||||
| 12244 | { "Identity Resolution", "dof.trp.identity_resolution", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12245 | |||||||
| 12246 | { &hf_initiator_request, | ||||||
| 12247 | { "Initiator Request", "dof.trp.initiator_request", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12248 | |||||||
| 12249 | { &hf_responder_request, | ||||||
| 12250 | { "Responder Request", "dof.trp.responder_request", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12251 | |||||||
| 12252 | { &hf_initiator_ticket, | ||||||
| 12253 | { "Initiator Ticket", "dof.trp.initiator_ticket", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12254 | |||||||
| 12255 | { &hf_responder_ticket, | ||||||
| 12256 | { "Responder Ticket", "dof.trp.responder_ticket", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12257 | |||||||
| 12258 | { &hf_authentication_block, | ||||||
| 12259 | { "Authentication Block", "dof.trp.authentication_block", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12260 | |||||||
| 12261 | { &hf_group_identifier, | ||||||
| 12262 | { "Group Identifier", "dof.trp.group_identifier", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12263 | |||||||
| 12264 | { &hf_node_identifier, | ||||||
| 12265 | { "Node Identifier", "dof.trp.node_identifier", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12266 | |||||||
| 12267 | { &hf_thb, | ||||||
| 12268 | { "Thb", "dof.trp.thb", FT_UINT8, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12269 | |||||||
| 12270 | { &hf_tmin, | ||||||
| 12271 | { "Tmin", "dof.trp.tmin", FT_UINT8, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12272 | |||||||
| 12273 | { &hf_tmax, | ||||||
| 12274 | { "Tmax", "dof.trp.tmax", FT_UINT8, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12275 | |||||||
| 12276 | { &hf_trp_epoch, | ||||||
| 12277 | { "Epoch", "dof.trp.epoch", FT_UINT16, BASE_DEC, NULL((void*)0), 0x00, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12278 | |||||||
| 12279 | { &hf_sidg, | ||||||
| 12280 | { "SIDg", "dof.trp.sid_g", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12281 | |||||||
| 12282 | { &hf_security_scope, | ||||||
| 12283 | { "Security Scope", "dof.trp.security_scope", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12284 | |||||||
| 12285 | { &hf_security_mode, | ||||||
| 12286 | { "Security Mode", "dof.trp.security_mode", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12287 | |||||||
| 12288 | { &hf_ssid, | ||||||
| 12289 | { "SSID", "dof.trp.ssid", FT_UINT32, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12290 | |||||||
| 12291 | #if 0 /* not used yet */ | ||||||
| 12292 | { &hf_initiator_pg, | ||||||
| 12293 | { "Initiator Permissions", "dof.trp.initiator_pg", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12294 | #endif | ||||||
| 12295 | |||||||
| 12296 | { &hf_initiator_validation, | ||||||
| 12297 | { "Initiator Validation", "dof.trp.initiator_validation", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12298 | |||||||
| 12299 | { &hf_responder_pg, | ||||||
| 12300 | { "Responder Permissions", "dof.trp.responder_pg", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12301 | |||||||
| 12302 | { &hf_responder_validation, | ||||||
| 12303 | { "Responder Validation", "dof.trp.responder_validation", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12304 | |||||||
| 12305 | { &hf_trp_errorcode, | ||||||
| 12306 | { "Error Code", "dof.trp.errorcode", FT_UINT8, BASE_DEC, VALS(trp_error_strings)((0 ? (const struct _value_string*)0 : ((trp_error_strings))) ), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12307 | |||||||
| 12308 | { &hf_trp_duration, | ||||||
| 12309 | { "Duration", "dof.trp.duration", FT_UINT8, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12310 | |||||||
| 12311 | #if 0 /* not used yet */ | ||||||
| 12312 | { &hf_trp_rnonce, | ||||||
| 12313 | { "Requestor Nonce", "dof.trp.rnonce", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12314 | |||||||
| 12315 | { &hf_trp_pnonce, | ||||||
| 12316 | { "Provider Nonce", "dof.trp.pnonce", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12317 | |||||||
| 12318 | { &hf_trp_reqid, | ||||||
| 12319 | { "Requestor ID", "dof.trp.reqid", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12320 | |||||||
| 12321 | { &hf_trp_provid, | ||||||
| 12322 | { "Provider ID", "dof.trp.provid", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12323 | |||||||
| 12324 | { &hf_trp_perm_count, | ||||||
| 12325 | { "Permission Count", "dof.trp.perm.count", FT_UINT8, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12326 | |||||||
| 12327 | { &hf_trp_perm_type, | ||||||
| 12328 | { "Permission Type", "dof.trp.perm.type", FT_UINT16, BASE_DEC, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12329 | |||||||
| 12330 | { &hf_trp_perm_rflags, | ||||||
| 12331 | { "Requestor SRP Flags", "dof.trp.rflags", FT_UINT8, BASE_HEX, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12332 | |||||||
| 12333 | { &hf_trp_perm_rcache, | ||||||
| 12334 | { "Requestor SRP Cache", "dof.trp.rcache", FT_BOOLEAN, 8, NULL((void*)0), 0x2, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12335 | |||||||
| 12336 | { &hf_trp_perm_rsrp, | ||||||
| 12337 | { "Requestor SRP", "dof.trp.rsrp", FT_BOOLEAN, 8, NULL((void*)0), 0x1, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12338 | |||||||
| 12339 | { &hf_trp_perm_rsrp_a, | ||||||
| 12340 | { "Requestor SRP A", "dof.trp.rsrp.a", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12341 | |||||||
| 12342 | { &hf_trp_perm_rsrp_u, | ||||||
| 12343 | { "Requestor SRP u", "dof.trp.rsrp.u", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12344 | |||||||
| 12345 | { &hf_trp_perm_pflags, | ||||||
| 12346 | { "Provider SRP Flags", "dof.trp.pflags", FT_UINT8, BASE_HEX, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12347 | |||||||
| 12348 | { &hf_trp_perm_pcache, | ||||||
| 12349 | { "Provider SRP Cache", "dof.trp.pcache", FT_BOOLEAN, 8, NULL((void*)0), 0x2, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12350 | |||||||
| 12351 | { &hf_trp_perm_psrp, | ||||||
| 12352 | { "Provider SRP", "dof.trp.psrp", FT_BOOLEAN, 8, NULL((void*)0), 0x1, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12353 | |||||||
| 12354 | { &hf_trp_perm_psrp_a, | ||||||
| 12355 | { "Provider SRP A", "dof.trp.psrp.a", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12356 | |||||||
| 12357 | { &hf_trp_perm_psrp_u, | ||||||
| 12358 | { "Provider SRP u", "dof.trp.psrp.u", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12359 | |||||||
| 12360 | { &hf_trp_perm_psrp_b, | ||||||
| 12361 | { "Provider SRP B", "dof.trp.psrp.b", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12362 | |||||||
| 12363 | { &hf_trp_perm_psrp_s, | ||||||
| 12364 | { "Provider SRP S", "dof.trp.psrp.s", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12365 | |||||||
| 12366 | { &hf_trp_confirmation, | ||||||
| 12367 | { "Confirmation", "dof.trp.confirmation", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12368 | |||||||
| 12369 | { &hf_trp_perm_pke, | ||||||
| 12370 | { "Provider Key Expression", "dof.trp.pke", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12371 | |||||||
| 12372 | { &hf_trp_perm_pka, | ||||||
| 12373 | { "Provider Key Authenticator", "dof.trp.pka", FT_BYTES, BASE_NONE, NULL((void*)0), 0x0, NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) } }, | ||||||
| 12374 | #endif | ||||||
| 12375 | }; | ||||||
| 12376 | |||||||
| 12377 | static int *ett[] = | ||||||
| 12378 | { | ||||||
| 12379 | &ett_trp_dsp, | ||||||
| 12380 | &ett_trp, | ||||||
| 12381 | &ett_domain, | ||||||
| 12382 | &ett_identity_resolution, | ||||||
| 12383 | &ett_initiator_request, | ||||||
| 12384 | &ett_initiator_ticket, | ||||||
| 12385 | &ett_responder_request, | ||||||
| 12386 | &ett_responder_ticket, | ||||||
| 12387 | &ett_authentication_block, | ||||||
| 12388 | &ett_group_identifier, | ||||||
| 12389 | &ett_node_identifier, | ||||||
| 12390 | &ett_sidg, | ||||||
| 12391 | &ett_security_scope, | ||||||
| 12392 | &ett_security_mode, | ||||||
| 12393 | &ett_initiator_pg, | ||||||
| 12394 | &ett_initiator_validation, | ||||||
| 12395 | &ett_responder_pg, | ||||||
| 12396 | &ett_responder_validation, | ||||||
| 12397 | &ett_trp_permset, | ||||||
| 12398 | &ett_srp_flags, | ||||||
| 12399 | &ett_trp_ticket, | ||||||
| 12400 | }; | ||||||
| 12401 | |||||||
| 12402 | static ei_register_info ei[] = | ||||||
| 12403 | { | ||||||
| 12404 | { &ei_trp_initiator_id_known, { "dof.trp.initiator_id_known", PI_PROTOCOL0x09000000, PI_COMMENT0x00100000, "Initiator identity known", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 12405 | { &ei_trp_kek_discovered, { "dof.trp.kek_discovered", PI_PROTOCOL0x09000000, PI_COMMENT0x00100000, "KEK discovered", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE , BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE , -1, ((void*)0)}} } }, | ||||||
| 12406 | }; | ||||||
| 12407 | |||||||
| 12408 | /* No Configuration options to register? */ | ||||||
| 12409 | |||||||
| 12410 | proto_trp = proto_register_protocol("DOF Ticket Request Protocol", "DOF.TRP", "dof.trp"); | ||||||
| 12411 | |||||||
| 12412 | proto_trp_dsp = proto_register_protocol("DOF Ticket Request Protocol DSP Options", "DOF.TRP.DSP", "dof.trp.dsp"); | ||||||
| 12413 | |||||||
| 12414 | proto_register_field_array(proto_trp, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0])); | ||||||
| 12415 | proto_register_field_array(proto_trp_dsp, hfdsp, array_length(hfdsp)(sizeof (hfdsp) / sizeof (hfdsp)[0])); | ||||||
| 12416 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0])); | ||||||
| 12417 | expert_trp = expert_register_protocol(proto_trp); | ||||||
| 12418 | expert_register_field_array(expert_trp, ei, array_length(ei)(sizeof (ei) / sizeof (ei)[0])); | ||||||
| 12419 | } | ||||||
| 12420 | |||||||
| 12421 | /** | ||||||
| 12422 | * The registration hand-off routine | ||||||
| 12423 | */ | ||||||
| 12424 | static void dof_reg_handoff_trp_129(void) | ||||||
| 12425 | { | ||||||
| 12426 | dissector_handle_t trp_handle = create_dissector_handle(dissect_trp, proto_trp); | ||||||
| 12427 | dissector_handle_t dsp_handle = create_dissector_handle(dissect_trp_dsp, proto_trp_dsp); | ||||||
| 12428 | |||||||
| 12429 | dissector_add_uint("dof.app", DOF_PROTOCOL_TRP129, trp_handle); | ||||||
| 12430 | dissector_add_uint("dof.dsp.options", DSP_TRP_FAMILY0x030000 | DOF_PROTOCOL_TRP129, dsp_handle); | ||||||
| 12431 | } | ||||||
| 12432 | |||||||
| 12433 | static void dof_trp_register(void) | ||||||
| 12434 | { | ||||||
| 12435 | dof_register_trp_129(); | ||||||
| 12436 | } | ||||||
| 12437 | |||||||
| 12438 | static void dof_trp_handoff(void) | ||||||
| 12439 | { | ||||||
| 12440 | dof_reg_handoff_trp_129(); | ||||||
| 12441 | } | ||||||
| 12442 | |||||||
| 12443 | /* Wireshark Dissector Registration Proper */ | ||||||
| 12444 | |||||||
| 12445 | /** | ||||||
| 12446 | * This is called only during reset (file load, reload, etc.). | ||||||
| 12447 | */ | ||||||
| 12448 | static void dof_reset_routine(void) | ||||||
| 12449 | { | ||||||
| 12450 | dof_tun_reset(); | ||||||
| 12451 | dof_reset(); | ||||||
| 12452 | oid_reset(); | ||||||
| 12453 | dof_dnp_reset(); | ||||||
| 12454 | dof_dpp_reset(); | ||||||
| 12455 | app_reset(); | ||||||
| 12456 | dof_dsp_reset(); | ||||||
| 12457 | dof_ccm_reset(); | ||||||
| 12458 | dof_oap_reset(); | ||||||
| 12459 | dof_sgmp_reset(); | ||||||
| 12460 | dof_tep_reset(); | ||||||
| 12461 | dof_trp_reset(); | ||||||
| 12462 | } | ||||||
| 12463 | |||||||
| 12464 | static void dof_cleanup_routine(void) | ||||||
| 12465 | { | ||||||
| 12466 | dof_tun_cleanup(); | ||||||
| 12467 | dof_cleanup(); | ||||||
| 12468 | oid_cleanup(); | ||||||
| 12469 | dof_dnp_cleanup(); | ||||||
| 12470 | dof_dpp_cleanup(); | ||||||
| 12471 | app_cleanup(); | ||||||
| 12472 | dof_dsp_cleanup(); | ||||||
| 12473 | dof_ccm_cleanup(); | ||||||
| 12474 | dof_oap_cleanup(); | ||||||
| 12475 | dof_sgmp_cleanup(); | ||||||
| 12476 | dof_tep_cleanup(); | ||||||
| 12477 | dof_trp_cleanup(); | ||||||
| 12478 | } | ||||||
| 12479 | |||||||
| 12480 | static void | ||||||
| 12481 | dof_shutdown_routine(void) | ||||||
| 12482 | { | ||||||
| 12483 | unsigned i; | ||||||
| 12484 | |||||||
| 12485 | for (i = 0; i < global_security.identity_data_count; i++) { | ||||||
| 12486 | g_free(global_security.identity_data[i].identity)(__builtin_object_size ((global_security.identity_data[i].identity ), 0) != ((size_t) - 1)) ? g_free_sized (global_security.identity_data [i].identity, __builtin_object_size ((global_security.identity_data [i].identity), 0)) : (g_free) (global_security.identity_data[ i].identity); | ||||||
| 12487 | g_free(global_security.identity_data[i].domain)(__builtin_object_size ((global_security.identity_data[i].domain ), 0) != ((size_t) - 1)) ? g_free_sized (global_security.identity_data [i].domain, __builtin_object_size ((global_security.identity_data [i].domain), 0)) : (g_free) (global_security.identity_data[i] .domain); | ||||||
| 12488 | g_free(global_security.identity_data[i].secret)(__builtin_object_size ((global_security.identity_data[i].secret ), 0) != ((size_t) - 1)) ? g_free_sized (global_security.identity_data [i].secret, __builtin_object_size ((global_security.identity_data [i].secret), 0)) : (g_free) (global_security.identity_data[i] .secret); | ||||||
| 12489 | } | ||||||
| 12490 | g_free(global_security.identity_data)(__builtin_object_size ((global_security.identity_data), 0) != ((size_t) - 1)) ? g_free_sized (global_security.identity_data , __builtin_object_size ((global_security.identity_data), 0)) : (g_free) (global_security.identity_data); | ||||||
| 12491 | |||||||
| 12492 | for (i = 0; i < global_security.group_data_count; i++) { | ||||||
| 12493 | g_free(global_security.group_data[i].domain)(__builtin_object_size ((global_security.group_data[i].domain ), 0) != ((size_t) - 1)) ? g_free_sized (global_security.group_data [i].domain, __builtin_object_size ((global_security.group_data [i].domain), 0)) : (g_free) (global_security.group_data[i].domain ); | ||||||
| 12494 | g_free(global_security.group_data[i].identity)(__builtin_object_size ((global_security.group_data[i].identity ), 0) != ((size_t) - 1)) ? g_free_sized (global_security.group_data [i].identity, __builtin_object_size ((global_security.group_data [i].identity), 0)) : (g_free) (global_security.group_data[i]. identity); | ||||||
| 12495 | g_free(global_security.group_data[i].kek)(__builtin_object_size ((global_security.group_data[i].kek), 0 ) != ((size_t) - 1)) ? g_free_sized (global_security.group_data [i].kek, __builtin_object_size ((global_security.group_data[i ].kek), 0)) : (g_free) (global_security.group_data[i].kek); | ||||||
| 12496 | } | ||||||
| 12497 | |||||||
| 12498 | if (addr_port_to_id) | ||||||
| 12499 | g_hash_table_destroy(addr_port_to_id); | ||||||
| 12500 | if (dpp_opid_to_packet_data) | ||||||
| 12501 | g_hash_table_destroy(dpp_opid_to_packet_data); | ||||||
| 12502 | if (node_key_to_sid_id) | ||||||
| 12503 | g_hash_table_destroy(node_key_to_sid_id); | ||||||
| 12504 | if (sid_buffer_to_sid_id) | ||||||
| 12505 | g_hash_table_destroy(sid_buffer_to_sid_id); | ||||||
| 12506 | if (sid_id_to_sid_buffer) | ||||||
| 12507 | g_hash_table_destroy(sid_id_to_sid_buffer); | ||||||
| 12508 | if (sid_id_to_packets) | ||||||
| 12509 | { | ||||||
| 12510 | g_hash_table_destroy(sid_id_to_packets); | ||||||
| 12511 | sid_id_to_packets = NULL((void*)0); | ||||||
| 12512 | } | ||||||
| 12513 | } | ||||||
| 12514 | |||||||
| 12515 | /** | ||||||
| 12516 | * This is the first entry point into the dissector, called on program launch. | ||||||
| 12517 | */ | ||||||
| 12518 | void proto_register_dof(void) | ||||||
| 12519 | { | ||||||
| 12520 | dof_tun_register(); | ||||||
| 12521 | dof_register(); | ||||||
| 12522 | oid_register(); | ||||||
| 12523 | dof_dnp_register(); | ||||||
| 12524 | dof_dpp_register(); | ||||||
| 12525 | app_register(); | ||||||
| 12526 | dof_dsp_register(); | ||||||
| 12527 | dof_ccm_register(); | ||||||
| 12528 | dof_oap_register(); | ||||||
| 12529 | dof_sgmp_register(); | ||||||
| 12530 | dof_tep_register(); | ||||||
| 12531 | dof_trp_register(); | ||||||
| 12532 | |||||||
| 12533 | register_init_routine(&dof_reset_routine); | ||||||
| 12534 | register_cleanup_routine(&dof_cleanup_routine); | ||||||
| 12535 | register_shutdown_routine(&dof_shutdown_routine); | ||||||
| 12536 | } | ||||||
| 12537 | |||||||
| 12538 | /** | ||||||
| 12539 | * This routine is called after initialization and whenever the preferences are changed. | ||||||
| 12540 | */ | ||||||
| 12541 | void proto_reg_handoff_dof(void) | ||||||
| 12542 | { | ||||||
| 12543 | dof_tun_handoff(); | ||||||
| 12544 | dof_handoff(); | ||||||
| 12545 | oid_handoff(); | ||||||
| 12546 | dof_dnp_handoff(); | ||||||
| 12547 | dof_dpp_handoff(); | ||||||
| 12548 | app_handoff(); | ||||||
| 12549 | dof_dsp_handoff(); | ||||||
| 12550 | dof_ccm_handoff(); | ||||||
| 12551 | dof_oap_handoff(); | ||||||
| 12552 | dof_sgmp_handoff(); | ||||||
| 12553 | dof_tep_handoff(); | ||||||
| 12554 | dof_trp_handoff(); | ||||||
| 12555 | } | ||||||
| 12556 | |||||||
| 12557 | /** | ||||||
| 12558 | * Protocol-specific data attached to a conversation_t structure - protocol | ||||||
| 12559 | * index and opaque pointer. | ||||||
| 12560 | */ | ||||||
| 12561 | typedef struct _dof_proto_data { | ||||||
| 12562 | int proto; | ||||||
| 12563 | void *proto_data; | ||||||
| 12564 | } dof_proto_data; | ||||||
| 12565 | |||||||
| 12566 | static int p_compare(const void *a, const void *b) | ||||||
| 12567 | { | ||||||
| 12568 | const dof_proto_data *ap = (const dof_proto_data *)a; | ||||||
| 12569 | const dof_proto_data *bp = (const dof_proto_data *)b; | ||||||
| 12570 | |||||||
| 12571 | if (ap->proto > bp->proto) | ||||||
| 12572 | return 1; | ||||||
| 12573 | else if (ap->proto == bp->proto) | ||||||
| 12574 | return 0; | ||||||
| 12575 | else | ||||||
| 12576 | return -1; | ||||||
| 12577 | } | ||||||
| 12578 | |||||||
| 12579 | #if 0 /* TODO not used yet */ | ||||||
| 12580 | static void dof_session_add_proto_data(wmem_allocator_t* allocator, dof_session_data *session, int proto, void *proto_data) | ||||||
| 12581 | { | ||||||
| 12582 | dof_proto_data *p1 = wmem_new0(allocator, dof_proto_data)((dof_proto_data*)wmem_alloc0((allocator), sizeof(dof_proto_data ))); | ||||||
| 12583 | |||||||
| 12584 | p1->proto = proto; | ||||||
| 12585 | p1->proto_data = proto_data; | ||||||
| 12586 | |||||||
| 12587 | /* Add it to the list of items for this conversation. */ | ||||||
| 12588 | |||||||
| 12589 | session->data_list = g_slist_insert_sorted(session->data_list, (void * *)p1, p_compare); | ||||||
| 12590 | } | ||||||
| 12591 | |||||||
| 12592 | static void *dof_session_get_proto_data(dof_session_data *session, int proto) | ||||||
| 12593 | { | ||||||
| 12594 | dof_proto_data temp, *p1; | ||||||
| 12595 | GSList *item; | ||||||
| 12596 | |||||||
| 12597 | temp.proto = proto; | ||||||
| 12598 | temp.proto_data = NULL((void*)0); | ||||||
| 12599 | |||||||
| 12600 | item = g_slist_find_custom(session->data_list, (void * *)&temp, | ||||||
| 12601 | p_compare); | ||||||
| 12602 | |||||||
| 12603 | if (item != NULL((void*)0)) | ||||||
| 12604 | { | ||||||
| 12605 | p1 = (dof_proto_data *)item->data; | ||||||
| 12606 | return p1->proto_data; | ||||||
| 12607 | } | ||||||
| 12608 | |||||||
| 12609 | return NULL((void*)0); | ||||||
| 12610 | } | ||||||
| 12611 | |||||||
| 12612 | static void dof_session_delete_proto_data(dof_session_data *session, int proto) | ||||||
| 12613 | { | ||||||
| 12614 | dof_proto_data temp; | ||||||
| 12615 | GSList *item; | ||||||
| 12616 | |||||||
| 12617 | temp.proto = proto; | ||||||
| 12618 | temp.proto_data = NULL((void*)0); | ||||||
| 12619 | |||||||
| 12620 | item = g_slist_find_custom(session->data_list, (void * *)&temp, | ||||||
| 12621 | p_compare); | ||||||
| 12622 | |||||||
| 12623 | while (item) | ||||||
| 12624 | { | ||||||
| 12625 | session->data_list = g_slist_remove(session->data_list, item->data); | ||||||
| 12626 | item = item->next; | ||||||
| 12627 | } | ||||||
| 12628 | } | ||||||
| 12629 | #endif | ||||||
| 12630 | |||||||
| 12631 | static void dof_packet_add_proto_data(dof_packet_data *packet, int proto, void *proto_data) | ||||||
| 12632 | { | ||||||
| 12633 | dof_proto_data *p1 = wmem_new0(wmem_file_scope(), dof_proto_data)((dof_proto_data*)wmem_alloc0((wmem_file_scope()), sizeof(dof_proto_data ))); | ||||||
| 12634 | |||||||
| 12635 | p1->proto = proto; | ||||||
| 12636 | p1->proto_data = proto_data; | ||||||
| 12637 | |||||||
| 12638 | /* Add it to the list of items for this conversation. */ | ||||||
| 12639 | |||||||
| 12640 | wmem_list_insert_sorted(packet->data_list, (void * *)p1, p_compare); | ||||||
| 12641 | } | ||||||
| 12642 | |||||||
| 12643 | static void *dof_packet_get_proto_data(dof_packet_data *packet, int proto) | ||||||
| 12644 | { | ||||||
| 12645 | dof_proto_data temp, *p1; | ||||||
| 12646 | wmem_list_frame_t *item; | ||||||
| 12647 | |||||||
| 12648 | temp.proto = proto; | ||||||
| 12649 | temp.proto_data = NULL((void*)0); | ||||||
| 12650 | |||||||
| 12651 | item = wmem_list_find_custom(packet->data_list, (void * *)&temp, | ||||||
| 12652 | p_compare); | ||||||
| 12653 | |||||||
| 12654 | if (item != NULL((void*)0)) | ||||||
| 12655 | { | ||||||
| 12656 | p1 = (dof_proto_data *)wmem_list_frame_data(item); | ||||||
| 12657 | return p1->proto_data; | ||||||
| 12658 | } | ||||||
| 12659 | |||||||
| 12660 | return NULL((void*)0); | ||||||
| 12661 | } | ||||||
| 12662 | |||||||
| 12663 | static int dof_dissect_pdu_as_field(dissector_t dissector, tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, int item, int ett, void *result) | ||||||
| 12664 | { | ||||||
| 12665 | int block_length; | ||||||
| 12666 | tvbuff_t *start = tvb_new_subset_remaining(tvb, offset); | ||||||
| 12667 | proto_tree *my_tree; | ||||||
| 12668 | proto_item *ti = proto_tree_add_item(tree, item, tvb, offset, -1, ENC_NA0x00000000); | ||||||
| 12669 | my_tree = proto_item_add_subtree(ti, ett); | ||||||
| 12670 | block_length = dof_dissect_pdu(dissector, start, pinfo, my_tree, result); | ||||||
| 12671 | return offset + block_length; | ||||||
| 12672 | } | ||||||
| 12673 | |||||||
| 12674 | static int dof_dissect_pdu(dissector_t dissector, tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *result) | ||||||
| 12675 | { | ||||||
| 12676 | int len = dissector(tvb, pinfo, tree, result); | ||||||
| 12677 | proto_item_set_len(proto_tree_get_parent(tree), len); | ||||||
| 12678 | |||||||
| 12679 | return len; | ||||||
| 12680 | } | ||||||
| 12681 | |||||||
| 12682 | static int dof_dissect_dnp_length(tvbuff_t *tvb, packet_info *pinfo, uint8_t version, unsigned *offset) | ||||||
| 12683 | { | ||||||
| 12684 | dissector_handle_t dp; | ||||||
| 12685 | |||||||
| 12686 | dp = dissector_get_uint_handle(dnp_framing_dissectors, version); | ||||||
| 12687 | if (!dp) | ||||||
| 12688 | return -1; | ||||||
| 12689 | |||||||
| 12690 | return call_dissector_only(dp, tvb, pinfo, NULL((void*)0), offset); | ||||||
| 12691 | } | ||||||
| 12692 | |||||||
| 12693 | /* | ||||||
| 12694 | * Editor modelines - https://www.wireshark.org/tools/modelines.html | ||||||
| 12695 | * | ||||||
| 12696 | * Local variables: | ||||||
| 12697 | * c-basic-offset: 4 | ||||||
| 12698 | * tab-width: 8 | ||||||
| 12699 | * indent-tabs-mode: nil | ||||||
| 12700 | * End: | ||||||
| 12701 | * | ||||||
| 12702 | * vi: set shiftwidth=4 tabstop=8 expandtab: | ||||||
| 12703 | * :indentSize=4:tabSize=8:noTabs=true: | ||||||
| 12704 | */ |