| File: | builds/wireshark/wireshark/wiretap/blf.c |
| Warning: | line 2275, column 13 Value stored to 'object_length' is never read |
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| 1 | /* blf.c |
| 2 | * |
| 3 | * Wiretap Library |
| 4 | * Copyright (c) 1998 by Gilbert Ramirez <[email protected]> |
| 5 | * |
| 6 | * File format support for the Binary Log File (BLF) file format from |
| 7 | * Vector Informatik decoder |
| 8 | * Copyright (c) 2021-2025 by Dr. Lars Völker <[email protected]> |
| 9 | * |
| 10 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 11 | */ |
| 12 | |
| 13 | /* |
| 14 | * The following was used as a reference for the file format: |
| 15 | * https://bitbucket.org/tobylorenz/vector_blf |
| 16 | * The repo above includes multiple examples files as well. |
| 17 | */ |
| 18 | |
| 19 | #include "config.h" |
| 20 | #define WS_LOG_DOMAIN"Wiretap" LOG_DOMAIN_WIRETAP"Wiretap" |
| 21 | |
| 22 | #include "blf.h" |
| 23 | |
| 24 | #include <epan/dissectors/packet-socketcan.h> |
| 25 | #include <epan/dissectors/packet-flexray.h> |
| 26 | #include <epan/dissectors/packet-lin.h> |
| 27 | #include <string.h> |
| 28 | #include <errno(*__errno_location ()).h> |
| 29 | #include <wsutil/value_string.h> |
| 30 | #include <wiretap/wtap.h> |
| 31 | #include <wiretap/wtap_opttypes.h> |
| 32 | #include <wsutil/wslog.h> |
| 33 | #include <wsutil/exported_pdu_tlvs.h> |
| 34 | #include <wsutil/pint.h> |
| 35 | #include <wsutil/report_message.h> |
| 36 | #include <wsutil/strtoi.h> |
| 37 | #include <wsutil/time_util.h> |
| 38 | #include <wsutil/zlib_compat.h> |
| 39 | #include <wsutil/pint.h> |
| 40 | #include <wsutil/ws_assert.h> |
| 41 | #include <libxml/tree.h> |
| 42 | #include <libxml/parser.h> |
| 43 | #include <libxml/xpath.h> |
| 44 | #include "file_wrappers.h" |
| 45 | #include "wtap_module.h" |
| 46 | |
| 47 | static const uint8_t blf_magic[] = { 'L', 'O', 'G', 'G' }; |
| 48 | static const uint8_t blf_obj_magic[] = { 'L', 'O', 'B', 'J' }; |
| 49 | |
| 50 | static const value_string blf_application_names[] = { |
| 51 | { 0, "Unknown" }, |
| 52 | { 1, "Vector CANalyzer" }, |
| 53 | { 2, "Vector CANoe" }, |
| 54 | { 3, "Vector CANstress" }, |
| 55 | { 4, "Vector CANlog" }, |
| 56 | { 5, "Vector CANape" }, |
| 57 | { 6, "Vector CANcaseXL log" }, |
| 58 | { 7, "Vector Logger Configurator" }, |
| 59 | { 200, "Porsche Logger" }, |
| 60 | { 201, "CAETEC Logger" }, |
| 61 | { 202, "Vector Network Simulator" }, |
| 62 | { 203, "IPETRONIK logger" }, |
| 63 | { 204, "RT PK" }, |
| 64 | { 205, "PikeTec" }, |
| 65 | { 206, "Sparks" }, |
| 66 | { 0, NULL((void*)0) } |
| 67 | }; |
| 68 | |
| 69 | static int blf_file_type_subtype = -1; |
| 70 | |
| 71 | void register_blf(void); |
| 72 | |
| 73 | static bool_Bool blf_read(wtap *wth, wtap_rec *rec, int *err, char **err_info, int64_t *data_offset); |
| 74 | static bool_Bool blf_seek_read(wtap *wth, int64_t seek_off, wtap_rec* rec, int *err, char **err_info); |
| 75 | static void blf_close(wtap *wth); |
| 76 | |
| 77 | /* |
| 78 | * The virtual buffer looks like this (skips all headers): |
| 79 | * uncompressed log container data |
| 80 | * uncompressed log container data |
| 81 | * ... |
| 82 | * |
| 83 | * The "real" positions, length, etc. reference this layout and not the file. |
| 84 | */ |
| 85 | typedef struct blf_log_container { |
| 86 | int64_t infile_start_pos; /* start position of log container in file */ |
| 87 | uint64_t infile_length; /* length of log container in file */ |
| 88 | uint64_t infile_data_start; /* start position of data in log container in file */ |
| 89 | |
| 90 | uint64_t real_start_pos; /* decompressed (virtual) start position including header */ |
| 91 | uint64_t real_length; /* decompressed length */ |
| 92 | |
| 93 | uint16_t compression_method; /* 0: uncompressed, 2: zlib */ |
| 94 | |
| 95 | unsigned char *real_data; /* cache for decompressed data */ |
| 96 | } blf_log_container_t; |
| 97 | |
| 98 | typedef struct blf_data { |
| 99 | int64_t start_of_last_obj; |
| 100 | int64_t current_real_seek_pos; |
| 101 | uint64_t start_offset_ns; |
| 102 | uint64_t end_offset_ns; |
| 103 | |
| 104 | GArray *log_containers; |
| 105 | |
| 106 | GHashTable *channel_to_iface_ht; |
| 107 | GHashTable *channel_to_name_ht; |
| 108 | uint32_t next_interface_id; |
| 109 | } blf_t; |
| 110 | |
| 111 | typedef struct blf_params { |
| 112 | wtap *wth; |
| 113 | wtap_rec *rec; |
| 114 | FILE_T fh; |
| 115 | bool_Bool random; |
| 116 | bool_Bool pipe; |
| 117 | |
| 118 | blf_t *blf_data; |
| 119 | } blf_params_t; |
| 120 | |
| 121 | typedef struct blf_channel_to_iface_entry { |
| 122 | int pkt_encap; |
| 123 | uint16_t channel; |
| 124 | uint16_t hwchannel; |
| 125 | uint32_t interface_id; |
| 126 | } blf_channel_to_iface_entry_t; |
| 127 | |
| 128 | typedef struct blf_metadata_info { |
| 129 | size_t metadata_cont; |
| 130 | size_t payload_start; |
| 131 | bool_Bool valid; |
| 132 | } blf_metadata_info_t; |
| 133 | |
| 134 | static void |
| 135 | blf_free_key(void *key) { |
| 136 | g_free(key)(__builtin_object_size ((key), 0) != ((size_t) - 1)) ? g_free_sized (key, __builtin_object_size ((key), 0)) : (g_free) (key); |
| 137 | } |
| 138 | |
| 139 | static void |
| 140 | blf_free_channel_to_iface_entry(void *data) { |
| 141 | g_free(data)(__builtin_object_size ((data), 0) != ((size_t) - 1)) ? g_free_sized (data, __builtin_object_size ((data), 0)) : (g_free) (data); |
| 142 | } |
| 143 | |
| 144 | static void |
| 145 | blf_free_channel_to_name_entry(void *data) { |
| 146 | g_free(data)(__builtin_object_size ((data), 0) != ((size_t) - 1)) ? g_free_sized (data, __builtin_object_size ((data), 0)) : (g_free) (data); |
| 147 | } |
| 148 | |
| 149 | static int64_t |
| 150 | blf_calc_key_value(int pkt_encap, uint16_t channel, uint16_t hwchannel) { |
| 151 | return (int64_t)(((uint64_t)pkt_encap << 32) | ((uint64_t)hwchannel << 16) | (uint64_t)channel); |
| 152 | } |
| 153 | |
| 154 | static time_t |
| 155 | blf_date_to_sec(const blf_date_t *date) { |
| 156 | struct tm timestamp; |
| 157 | timestamp.tm_year = (date->year > 1970) ? date->year - 1900 : 70; |
| 158 | timestamp.tm_mon = date->month - 1; |
| 159 | timestamp.tm_mday = date->day; |
| 160 | timestamp.tm_hour = date->hour; |
| 161 | timestamp.tm_min = date->mins; |
| 162 | timestamp.tm_sec = date->sec; |
| 163 | timestamp.tm_isdst = -1; |
| 164 | |
| 165 | return mktime(×tamp); |
| 166 | } |
| 167 | |
| 168 | /** Return the Epoch ns time of the blf date |
| 169 | * |
| 170 | * This is not intended to fully validate the date and time, |
| 171 | * but just to check if the values are plausible. |
| 172 | */ |
| 173 | static uint64_t |
| 174 | blf_data_to_ns(const blf_date_t *date) { |
| 175 | if (date != NULL((void*)0) && |
| 176 | (date->year < 2484) && /* max_uint64 / ns_per_year */ |
| 177 | (date->month >= 1 && date->month <= 12) && |
| 178 | (date->day >= 1 && date->day <= 31) && |
| 179 | (date->hour <= 23) && (date->mins <= 59) && |
| 180 | (date->sec <= 61) /* Apparently can be up to 61 on certain systems */ |
| 181 | ) { /* Not checking if milliseconds are actually less than 1000 */ |
| 182 | time_t offset_s = blf_date_to_sec(date); |
| 183 | if (offset_s >= 0) { |
| 184 | return (1000 * 1000 * (date->ms + (1000 * (uint64_t)offset_s))); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | return 0; |
| 189 | } |
| 190 | |
| 191 | static void add_interface_name(wtap_block_t int_data, int pkt_encap, uint16_t channel, uint16_t hwchannel, char *name) { |
| 192 | if (name != NULL((void*)0)) { |
| 193 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "%s", name); |
| 194 | } else { |
| 195 | switch (pkt_encap) { |
| 196 | case WTAP_ENCAP_ETHERNET1: |
| 197 | /* we use UINT16_MAX to encode no hwchannel */ |
| 198 | if (hwchannel == UINT16_MAX(65535)) { |
| 199 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "ETH-%u", channel); |
| 200 | } else { |
| 201 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "ETH-%u-%u", channel, hwchannel); |
| 202 | } |
| 203 | break; |
| 204 | case WTAP_ENCAP_IEEE_802_1120: |
| 205 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "WLAN-%u", channel); |
| 206 | break; |
| 207 | case WTAP_ENCAP_FLEXRAY106: |
| 208 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "FR-%u", channel); |
| 209 | break; |
| 210 | case WTAP_ENCAP_LIN107: |
| 211 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "LIN-%u", channel); |
| 212 | break; |
| 213 | case WTAP_ENCAP_SOCKETCAN125: |
| 214 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "CAN-%u", channel); |
| 215 | break; |
| 216 | default: |
| 217 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "ENCAP_%d-%u", pkt_encap, channel); |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | /* Add a defined description format to recover the original channel/hwchannel mapping, when we ever convert back to BLF */ |
| 222 | /* Changing the names might break the BLF writing! */ |
| 223 | switch (pkt_encap) { |
| 224 | case WTAP_ENCAP_ETHERNET1: |
| 225 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-ETH-0x%04x-0x%04x", channel, hwchannel); |
| 226 | break; |
| 227 | case WTAP_ENCAP_IEEE_802_1120: |
| 228 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-WLAN-0x%04x", channel); |
| 229 | break; |
| 230 | case WTAP_ENCAP_FLEXRAY106: |
| 231 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-FR-0x%04x", channel); |
| 232 | break; |
| 233 | case WTAP_ENCAP_LIN107: |
| 234 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-LIN-0x%04x", channel); |
| 235 | break; |
| 236 | case WTAP_ENCAP_SOCKETCAN125: |
| 237 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-CAN-0x%04x", channel); |
| 238 | break; |
| 239 | default: |
| 240 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-ENCAP_%d-0x%04x-0x%04x", pkt_encap, channel, hwchannel); |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | static uint32_t |
| 245 | blf_add_interface(blf_params_t *params, int pkt_encap, uint32_t channel, uint16_t hwchannel, char *name) { |
| 246 | wtap_block_t int_data = wtap_block_create(WTAP_BLOCK_IF_ID_AND_INFO); |
| 247 | wtapng_if_descr_mandatory_t *if_descr_mand = (wtapng_if_descr_mandatory_t*)wtap_block_get_mandatory_data(int_data); |
| 248 | blf_channel_to_iface_entry_t *item = NULL((void*)0); |
| 249 | |
| 250 | if_descr_mand->wtap_encap = pkt_encap; |
| 251 | add_interface_name(int_data, pkt_encap, channel, hwchannel, name); |
| 252 | /* |
| 253 | * The time stamp resolution in these files can be per-record; |
| 254 | * the maximum resolution is nanoseconds, so we specify that |
| 255 | * as the interface's resolution. |
| 256 | * |
| 257 | * We set the resolution for a record on a per-record basis, |
| 258 | * based on what the record specifies. |
| 259 | */ |
| 260 | if_descr_mand->time_units_per_second = 1000 * 1000 * 1000; |
| 261 | if_descr_mand->tsprecision = WTAP_TSPREC_NSEC9; |
| 262 | wtap_block_add_uint8_option(int_data, OPT_IDB_TSRESOL9, 9); |
| 263 | if_descr_mand->snap_len = WTAP_MAX_PACKET_SIZE_STANDARD262144U; |
| 264 | if_descr_mand->num_stat_entries = 0; |
| 265 | if_descr_mand->interface_statistics = NULL((void*)0); |
| 266 | wtap_add_idb(params->wth, int_data); |
| 267 | |
| 268 | if (params->wth->file_encap == WTAP_ENCAP_NONE-2) { |
| 269 | params->wth->file_encap = if_descr_mand->wtap_encap; |
| 270 | } else { |
| 271 | if (params->wth->file_encap != if_descr_mand->wtap_encap) { |
| 272 | params->wth->file_encap = WTAP_ENCAP_PER_PACKET-1; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | int64_t *key = NULL((void*)0); |
| 277 | key = g_new(int64_t, 1)((int64_t *) g_malloc_n ((1), sizeof (int64_t))); |
| 278 | *key = blf_calc_key_value(pkt_encap, channel, hwchannel); |
| 279 | |
| 280 | item = g_new(blf_channel_to_iface_entry_t, 1)((blf_channel_to_iface_entry_t *) g_malloc_n ((1), sizeof (blf_channel_to_iface_entry_t ))); |
| 281 | item->channel = channel; |
| 282 | item->hwchannel = hwchannel; |
| 283 | item->pkt_encap = pkt_encap; |
| 284 | item->interface_id = params->blf_data->next_interface_id++; |
| 285 | g_hash_table_insert(params->blf_data->channel_to_iface_ht, key, item); |
| 286 | |
| 287 | return item->interface_id; |
| 288 | } |
| 289 | |
| 290 | /** This is used to save the interface name without creating it. |
| 291 | * |
| 292 | * This approach allows up to update the name of the interface |
| 293 | * up until the first captured packet. |
| 294 | */ |
| 295 | static bool_Bool |
| 296 | // NOLINTNEXTLINE(misc-no-recursion) |
| 297 | blf_prepare_interface_name(blf_params_t* params, int pkt_encap, uint16_t channel, uint16_t hwchannel, const char* name, bool_Bool force_new_name) { |
| 298 | int64_t key = blf_calc_key_value(pkt_encap, channel, hwchannel); |
| 299 | char* old_name; |
| 300 | char* new_name; |
| 301 | char* iface_name; |
| 302 | int64_t* new_key; |
| 303 | bool_Bool ret; |
| 304 | |
| 305 | if (params->blf_data->channel_to_name_ht == NULL((void*)0)) { |
| 306 | return false0; |
| 307 | } |
| 308 | |
| 309 | old_name = (char *)g_hash_table_lookup(params->blf_data->channel_to_name_ht, &key); |
| 310 | |
| 311 | if (old_name != NULL((void*)0) && force_new_name) { |
| 312 | if (!g_hash_table_remove(params->blf_data->channel_to_name_ht, &key)) { |
| 313 | return false0; |
| 314 | } |
| 315 | |
| 316 | old_name = NULL((void*)0); |
| 317 | } |
| 318 | |
| 319 | if (old_name == NULL((void*)0) && name != NULL((void*)0)) { |
| 320 | new_key = g_new(int64_t, 1)((int64_t *) g_malloc_n ((1), sizeof (int64_t))); |
| 321 | *new_key = key; |
| 322 | new_name = ws_strdup(name)wmem_strdup(((void*)0), name); |
| 323 | if (!g_hash_table_insert(params->blf_data->channel_to_name_ht, new_key, new_name)) { |
| 324 | return false0; |
| 325 | } |
| 326 | } else { |
| 327 | new_name = old_name; |
| 328 | } |
| 329 | |
| 330 | if (pkt_encap == WTAP_ENCAP_ETHERNET1) { |
| 331 | /* Just for Ethernet, prepare the equivalent STATUS interface */ |
| 332 | iface_name = new_name != NULL((void*)0) ? ws_strdup_printf("STATUS-%s", new_name)wmem_strdup_printf(((void*)0), "STATUS-%s", new_name) : NULL((void*)0); |
| 333 | |
| 334 | // We recurse here once. |
| 335 | ret = blf_prepare_interface_name(params, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, channel, hwchannel, iface_name, force_new_name); |
| 336 | if (iface_name) { |
| 337 | g_free(iface_name)(__builtin_object_size ((iface_name), 0) != ((size_t) - 1)) ? g_free_sized (iface_name, __builtin_object_size ((iface_name ), 0)) : (g_free) (iface_name); |
| 338 | } |
| 339 | if (!ret) { |
| 340 | return false0; |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | return true1; |
| 345 | } |
| 346 | |
| 347 | static uint32_t |
| 348 | blf_lookup_interface(blf_params_t *params, int pkt_encap, uint16_t channel, uint16_t hwchannel, char *name) { |
| 349 | int64_t key = blf_calc_key_value(pkt_encap, channel, hwchannel); |
| 350 | blf_channel_to_iface_entry_t* item; |
| 351 | char* saved_name; |
| 352 | uint32_t ret; |
| 353 | |
| 354 | if (params->blf_data->channel_to_iface_ht == NULL((void*)0)) { |
| 355 | return 0; |
| 356 | } |
| 357 | |
| 358 | item = (blf_channel_to_iface_entry_t *)g_hash_table_lookup(params->blf_data->channel_to_iface_ht, &key); |
| 359 | |
| 360 | if (item != NULL((void*)0)) { |
| 361 | return item->interface_id; |
| 362 | } else { |
| 363 | saved_name = (char*)g_hash_table_lookup(params->blf_data->channel_to_name_ht, &key); |
| 364 | |
| 365 | if (saved_name != NULL((void*)0)) { |
| 366 | ret = blf_add_interface(params, pkt_encap, channel, hwchannel, saved_name); |
| 367 | g_hash_table_remove(params->blf_data->channel_to_name_ht, &key); |
| 368 | |
| 369 | return ret; |
| 370 | } else { |
| 371 | return blf_add_interface(params, pkt_encap, channel, hwchannel, name); |
| 372 | } |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | static void |
| 377 | fix_endianness_blf_date(blf_date_t *date) { |
| 378 | date->year = GUINT16_FROM_LE(date->year)(((guint16) (date->year))); |
| 379 | date->month = GUINT16_FROM_LE(date->month)(((guint16) (date->month))); |
| 380 | date->dayofweek = GUINT16_FROM_LE(date->dayofweek)(((guint16) (date->dayofweek))); |
| 381 | date->day = GUINT16_FROM_LE(date->day)(((guint16) (date->day))); |
| 382 | date->hour = GUINT16_FROM_LE(date->hour)(((guint16) (date->hour))); |
| 383 | date->mins = GUINT16_FROM_LE(date->mins)(((guint16) (date->mins))); |
| 384 | date->sec = GUINT16_FROM_LE(date->sec)(((guint16) (date->sec))); |
| 385 | date->ms = GUINT16_FROM_LE(date->ms)(((guint16) (date->ms))); |
| 386 | } |
| 387 | |
| 388 | static void |
| 389 | fix_endianness_blf_fileheader(blf_fileheader_t *header) { |
| 390 | header->header_length = GUINT32_FROM_LE(header->header_length)(((guint32) (header->header_length))); |
| 391 | header->api_version = GUINT32_FROM_LE(header->api_version)(((guint32) (header->api_version))); |
| 392 | header->len_compressed = GUINT64_FROM_LE(header->len_compressed)(((guint64) (header->len_compressed))); |
| 393 | header->len_uncompressed = GUINT64_FROM_LE(header->len_uncompressed)(((guint64) (header->len_uncompressed))); |
| 394 | header->obj_count = GUINT32_FROM_LE(header->obj_count)(((guint32) (header->obj_count))); |
| 395 | header->application_build = GUINT32_FROM_LE(header->application_build)(((guint32) (header->application_build))); |
| 396 | fix_endianness_blf_date(&(header->start_date)); |
| 397 | fix_endianness_blf_date(&(header->end_date)); |
| 398 | header->restore_point_offset = GUINT32_FROM_LE(header->restore_point_offset)(((guint32) (header->restore_point_offset))); |
| 399 | } |
| 400 | |
| 401 | static void |
| 402 | fix_endianness_blf_blockheader(blf_blockheader_t *header) { |
| 403 | header->header_length = GUINT16_FROM_LE(header->header_length)(((guint16) (header->header_length))); |
| 404 | header->header_type = GUINT16_FROM_LE(header->header_type)(((guint16) (header->header_type))); |
| 405 | header->object_length = GUINT32_FROM_LE(header->object_length)(((guint32) (header->object_length))); |
| 406 | header->object_type = GUINT32_FROM_LE(header->object_type)(((guint32) (header->object_type))); |
| 407 | } |
| 408 | |
| 409 | static void |
| 410 | fix_endianness_blf_logcontainerheader(blf_logcontainerheader_t *header) { |
| 411 | header->compression_method = GUINT16_FROM_LE(header->compression_method)(((guint16) (header->compression_method))); |
| 412 | header->res1 = GUINT16_FROM_LE(header->res1)(((guint16) (header->res1))); |
| 413 | header->res2 = GUINT32_FROM_LE(header->res2)(((guint32) (header->res2))); |
| 414 | header->uncompressed_size = GUINT32_FROM_LE(header->uncompressed_size)(((guint32) (header->uncompressed_size))); |
| 415 | header->res4 = GUINT32_FROM_LE(header->res4)(((guint32) (header->res4))); |
| 416 | } |
| 417 | |
| 418 | static void |
| 419 | fix_endianness_blf_logobjectheader(blf_logobjectheader_t *header) { |
| 420 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags))); |
| 421 | header->client_index = GUINT16_FROM_LE(header->client_index)(((guint16) (header->client_index))); |
| 422 | header->object_version = GUINT16_FROM_LE(header->object_version)(((guint16) (header->object_version))); |
| 423 | header->object_timestamp = GUINT64_FROM_LE(header->object_timestamp)(((guint64) (header->object_timestamp))); |
| 424 | } |
| 425 | |
| 426 | static void |
| 427 | fix_endianness_blf_logobjectheader2(blf_logobjectheader2_t *header) { |
| 428 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags))); |
| 429 | header->object_version = GUINT16_FROM_LE(header->object_version)(((guint16) (header->object_version))); |
| 430 | header->object_timestamp = GUINT64_FROM_LE(header->object_timestamp)(((guint64) (header->object_timestamp))); |
| 431 | header->original_timestamp = GUINT64_FROM_LE(header->object_timestamp)(((guint64) (header->object_timestamp))); |
| 432 | } |
| 433 | |
| 434 | static void |
| 435 | fix_endianness_blf_logobjectheader3(blf_logobjectheader3_t *header) { |
| 436 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags))); |
| 437 | header->static_size = GUINT16_FROM_LE(header->static_size)(((guint16) (header->static_size))); |
| 438 | header->object_version = GUINT16_FROM_LE(header->object_version)(((guint16) (header->object_version))); |
| 439 | header->object_timestamp = GUINT64_FROM_LE(header->object_timestamp)(((guint64) (header->object_timestamp))); |
| 440 | } |
| 441 | |
| 442 | static void |
| 443 | fix_endianness_blf_ethernetframeheader(blf_ethernetframeheader_t *header) { |
| 444 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); |
| 445 | header->direction = GUINT16_FROM_LE(header->direction)(((guint16) (header->direction))); |
| 446 | header->ethtype = GUINT16_FROM_LE(header->ethtype)(((guint16) (header->ethtype))); |
| 447 | header->tpid = GUINT16_FROM_LE(header->tpid)(((guint16) (header->tpid))); |
| 448 | header->tci = GUINT16_FROM_LE(header->tci)(((guint16) (header->tci))); |
| 449 | header->payloadlength = GUINT16_FROM_LE(header->payloadlength)(((guint16) (header->payloadlength))); |
| 450 | } |
| 451 | |
| 452 | static void |
| 453 | fix_endianness_blf_ethernetframeheader_ex(blf_ethernetframeheader_ex_t *header) { |
| 454 | header->struct_length = GUINT16_FROM_LE(header->struct_length)(((guint16) (header->struct_length))); |
| 455 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags))); |
| 456 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); |
| 457 | header->hw_channel = GUINT16_FROM_LE(header->hw_channel)(((guint16) (header->hw_channel))); |
| 458 | header->frame_duration = GUINT64_FROM_LE(header->frame_duration)(((guint64) (header->frame_duration))); |
| 459 | header->frame_checksum = GUINT32_FROM_LE(header->frame_checksum)(((guint32) (header->frame_checksum))); |
| 460 | header->direction = GUINT16_FROM_LE(header->direction)(((guint16) (header->direction))); |
| 461 | header->frame_length = GUINT16_FROM_LE(header->frame_length)(((guint16) (header->frame_length))); |
| 462 | header->frame_handle = GUINT32_FROM_LE(header->frame_handle)(((guint32) (header->frame_handle))); |
| 463 | header->error = GUINT32_FROM_LE(header->error)(((guint32) (header->error))); |
| 464 | } |
| 465 | |
| 466 | static void |
| 467 | fix_endianness_blf_ethernet_rxerror(blf_ethernet_rxerror_t* header) { |
| 468 | header->struct_length = GUINT16_FROM_LE(header->struct_length)(((guint16) (header->struct_length))); |
| 469 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); |
| 470 | header->direction = GUINT16_FROM_LE(header->direction)(((guint16) (header->direction))); |
| 471 | header->hw_channel = GUINT16_FROM_LE(header->hw_channel)(((guint16) (header->hw_channel))); |
| 472 | header->frame_checksum = GUINT32_FROM_LE(header->frame_checksum)(((guint32) (header->frame_checksum))); |
| 473 | header->frame_length = GUINT16_FROM_LE(header->frame_length)(((guint16) (header->frame_length))); |
| 474 | header->error = GUINT32_FROM_LE(header->error)(((guint32) (header->error))); |
| 475 | } |
| 476 | |
| 477 | static void |
| 478 | fix_endianness_blf_wlanframeheader(blf_wlanframeheader_t* header) { |
| 479 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); |
| 480 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags))); |
| 481 | header->signal_strength = GUINT16_FROM_LE(header->signal_strength)(((guint16) (header->signal_strength))); |
| 482 | header->signal_quality = GUINT16_FROM_LE(header->signal_quality)(((guint16) (header->signal_quality))); |
| 483 | header->frame_length = GUINT16_FROM_LE(header->frame_length)(((guint16) (header->frame_length))); |
| 484 | } |
| 485 | |
| 486 | static void |
| 487 | fix_endianness_blf_canmessage(blf_canmessage_t *header) { |
| 488 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); |
| 489 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id))); |
| 490 | } |
| 491 | |
| 492 | static void |
| 493 | fix_endianness_blf_canmessage2_trailer(blf_canmessage2_trailer_t *header) { |
| 494 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns))); |
| 495 | header->reserved2 = GUINT16_FROM_LE(header->reserved1)(((guint16) (header->reserved1))); |
| 496 | } |
| 497 | |
| 498 | static void |
| 499 | fix_endianness_blf_canfdmessage(blf_canfdmessage_t *header) { |
| 500 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); |
| 501 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id))); |
| 502 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns))); |
| 503 | header->reservedCanFdMessage2 = GUINT32_FROM_LE(header->reservedCanFdMessage2)(((guint32) (header->reservedCanFdMessage2))); |
| 504 | } |
| 505 | |
| 506 | static void |
| 507 | fix_endianness_blf_canfdmessage64(blf_canfdmessage64_t *header) { |
| 508 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id))); |
| 509 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns))); |
| 510 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags))); |
| 511 | header->btrCfgArb = GUINT32_FROM_LE(header->btrCfgArb)(((guint32) (header->btrCfgArb))); |
| 512 | header->btrCfgData = GUINT32_FROM_LE(header->btrCfgData)(((guint32) (header->btrCfgData))); |
| 513 | header->timeOffsetBrsNs = GUINT32_FROM_LE(header->timeOffsetBrsNs)(((guint32) (header->timeOffsetBrsNs))); |
| 514 | header->timeOffsetCrcDelNs = GUINT32_FROM_LE(header->timeOffsetCrcDelNs)(((guint32) (header->timeOffsetCrcDelNs))); |
| 515 | header->bitCount = GUINT16_FROM_LE(header->bitCount)(((guint16) (header->bitCount))); |
| 516 | header->crc = GUINT32_FROM_LE(header->crc)(((guint32) (header->crc))); |
| 517 | } |
| 518 | |
| 519 | static void |
| 520 | fix_endianness_blf_canerror(blf_canerror_t *header) { |
| 521 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); |
| 522 | header->length = GUINT16_FROM_LE(header->length)(((guint16) (header->length))); |
| 523 | } |
| 524 | |
| 525 | static void |
| 526 | fix_endianness_blf_canerrorext(blf_canerrorext_t *header) { |
| 527 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); |
| 528 | header->length = GUINT16_FROM_LE(header->length)(((guint16) (header->length))); |
| 529 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags))); |
| 530 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns))); |
| 531 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id))); |
| 532 | header->errorCodeExt = GUINT16_FROM_LE(header->errorCodeExt)(((guint16) (header->errorCodeExt))); |
| 533 | } |
| 534 | |
| 535 | static void |
| 536 | fix_endianness_blf_canfderror64(blf_canfderror64_t *header) { |
| 537 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags))); |
| 538 | header->errorCodeExt = GUINT16_FROM_LE(header->errorCodeExt)(((guint16) (header->errorCodeExt))); |
| 539 | header->extFlags = GUINT16_FROM_LE(header->extFlags)(((guint16) (header->extFlags))); |
| 540 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id))); |
| 541 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns))); |
| 542 | header->btrCfgArb = GUINT32_FROM_LE(header->btrCfgArb)(((guint32) (header->btrCfgArb))); |
| 543 | header->btrCfgData = GUINT32_FROM_LE(header->btrCfgData)(((guint32) (header->btrCfgData))); |
| 544 | header->timeOffsetBrsNs = GUINT32_FROM_LE(header->timeOffsetBrsNs)(((guint32) (header->timeOffsetBrsNs))); |
| 545 | header->timeOffsetCrcDelNs = GUINT32_FROM_LE(header->timeOffsetCrcDelNs)(((guint32) (header->timeOffsetCrcDelNs))); |
| 546 | header->crc = GUINT32_FROM_LE(header->crc)(((guint32) (header->crc))); |
| 547 | header->errorPosition = GUINT16_FROM_LE(header->errorPosition)(((guint16) (header->errorPosition))); |
| 548 | } |
| 549 | |
| 550 | static void |
| 551 | fix_endianness_blf_canxlchannelframe(blf_canxlchannelframe_t *header) { |
| 552 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns))); |
| 553 | header->bitCount = GUINT16_FROM_LE(header->bitCount)(((guint16) (header->bitCount))); |
| 554 | header->res2 = GUINT16_FROM_LE(header->res2)(((guint16) (header->res2))); |
| 555 | header->frameIdentifier = GUINT32_FROM_LE(header->frameIdentifier)(((guint32) (header->frameIdentifier))); |
| 556 | header->dlc = GUINT16_FROM_LE(header->dlc)(((guint16) (header->dlc))); |
| 557 | header->dataLength = GUINT16_FROM_LE(header->dataLength)(((guint16) (header->dataLength))); |
| 558 | header->stuffBitCount = GUINT16_FROM_LE(header->stuffBitCount)(((guint16) (header->stuffBitCount))); |
| 559 | header->prefaceCRC = GUINT16_FROM_LE(header->prefaceCRC)(((guint16) (header->prefaceCRC))); |
| 560 | header->acceptanceField = GUINT32_FROM_LE(header->acceptanceField)(((guint32) (header->acceptanceField))); |
| 561 | header->res5 = GUINT16_FROM_LE(header->res5)(((guint16) (header->res5))); |
| 562 | header->crc = GUINT32_FROM_LE(header->crc)(((guint32) (header->crc))); |
| 563 | header->timeOffsetBrsNs = GUINT32_FROM_LE(header->timeOffsetBrsNs)(((guint32) (header->timeOffsetBrsNs))); |
| 564 | header->timeOffsetCrcDelNs = GUINT32_FROM_LE(header->timeOffsetCrcDelNs)(((guint32) (header->timeOffsetCrcDelNs))); |
| 565 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags))); |
| 566 | header->reserved = GUINT32_FROM_LE(header->reserved)(((guint32) (header->reserved))); |
| 567 | header->arbitrationDataBitTimingConfig = GUINT64_FROM_LE(header->arbitrationDataBitTimingConfig)(((guint64) (header->arbitrationDataBitTimingConfig))); |
| 568 | header->arbitrationDataHwChannelSettings = GUINT64_FROM_LE(header->arbitrationDataHwChannelSettings)(((guint64) (header->arbitrationDataHwChannelSettings))); |
| 569 | header->fdPhaseBitTimingConfig = GUINT64_FROM_LE(header->fdPhaseBitTimingConfig)(((guint64) (header->fdPhaseBitTimingConfig))); |
| 570 | header->fdPhaseHwChannelSettings = GUINT64_FROM_LE(header->fdPhaseHwChannelSettings)(((guint64) (header->fdPhaseHwChannelSettings))); |
| 571 | header->xlPhaseBitTimingConfig = GUINT64_FROM_LE(header->xlPhaseBitTimingConfig)(((guint64) (header->xlPhaseBitTimingConfig))); |
| 572 | header->xlPhaseHwChannelSettings = GUINT64_FROM_LE(header->xlPhaseHwChannelSettings)(((guint64) (header->xlPhaseHwChannelSettings))); |
| 573 | } |
| 574 | |
| 575 | |
| 576 | static void |
| 577 | fix_endianness_blf_flexraydata(blf_flexraydata_t *header) { |
| 578 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); |
| 579 | header->messageId = GUINT16_FROM_LE(header->messageId)(((guint16) (header->messageId))); |
| 580 | header->crc = GUINT16_FROM_LE(header->crc)(((guint16) (header->crc))); |
| 581 | header->reservedFlexRayData2 = GUINT16_FROM_LE(header->reservedFlexRayData2)(((guint16) (header->reservedFlexRayData2))); |
| 582 | } |
| 583 | |
| 584 | static void |
| 585 | fix_endianness_blf_flexraymessage(blf_flexraymessage_t *header) { |
| 586 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); |
| 587 | header->fpgaTick = GUINT32_FROM_LE(header->fpgaTick)(((guint32) (header->fpgaTick))); |
| 588 | header->fpgaTickOverflow = GUINT32_FROM_LE(header->fpgaTickOverflow)(((guint32) (header->fpgaTickOverflow))); |
| 589 | header->clientIndexFlexRayV6Message = GUINT32_FROM_LE(header->clientIndexFlexRayV6Message)(((guint32) (header->clientIndexFlexRayV6Message))); |
| 590 | header->clusterTime = GUINT32_FROM_LE(header->clusterTime)(((guint32) (header->clusterTime))); |
| 591 | header->frameId = GUINT16_FROM_LE(header->frameId)(((guint16) (header->frameId))); |
| 592 | header->headerCrc = GUINT16_FROM_LE(header->headerCrc)(((guint16) (header->headerCrc))); |
| 593 | header->frameState = GUINT16_FROM_LE(header->frameState)(((guint16) (header->frameState))); |
| 594 | header->reservedFlexRayV6Message2 = GUINT16_FROM_LE(header->reservedFlexRayV6Message2)(((guint16) (header->reservedFlexRayV6Message2))); |
| 595 | } |
| 596 | |
| 597 | static void |
| 598 | fix_endianness_blf_flexrayrcvmessage(blf_flexrayrcvmessage_t *header) { |
| 599 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); |
| 600 | header->version = GUINT16_FROM_LE(header->version)(((guint16) (header->version))); |
| 601 | header->channelMask = GUINT16_FROM_LE(header->channelMask)(((guint16) (header->channelMask))); |
| 602 | header->dir = GUINT16_FROM_LE(header->dir)(((guint16) (header->dir))); |
| 603 | header->clientIndex = GUINT32_FROM_LE(header->clientIndex)(((guint32) (header->clientIndex))); |
| 604 | header->clusterNo = GUINT32_FROM_LE(header->clusterNo)(((guint32) (header->clusterNo))); |
| 605 | header->frameId = GUINT16_FROM_LE(header->frameId)(((guint16) (header->frameId))); |
| 606 | header->headerCrc1 = GUINT16_FROM_LE(header->headerCrc1)(((guint16) (header->headerCrc1))); |
| 607 | header->headerCrc2 = GUINT16_FROM_LE(header->headerCrc2)(((guint16) (header->headerCrc2))); |
| 608 | header->payloadLength = GUINT16_FROM_LE(header->payloadLength)(((guint16) (header->payloadLength))); |
| 609 | header->payloadLengthValid = GUINT16_FROM_LE(header->payloadLengthValid)(((guint16) (header->payloadLengthValid))); |
| 610 | header->cycle = GUINT16_FROM_LE(header->cycle)(((guint16) (header->cycle))); |
| 611 | header->tag = GUINT32_FROM_LE(header->tag)(((guint32) (header->tag))); |
| 612 | header->data = GUINT32_FROM_LE(header->data)(((guint32) (header->data))); |
| 613 | header->frameFlags = GUINT32_FROM_LE(header->frameFlags)(((guint32) (header->frameFlags))); |
| 614 | header->appParameter = GUINT32_FROM_LE(header->appParameter)(((guint32) (header->appParameter))); |
| 615 | /* this would be extra for ext format: |
| 616 | header->frameCRC = GUINT32_FROM_LE(header->frameCRC); |
| 617 | header->frameLengthInNs = GUINT32_FROM_LE(header->frameLengthInNs); |
| 618 | header->frameId1 = GUINT16_FROM_LE(header->frameId1); |
| 619 | header->pduOffset = GUINT16_FROM_LE(header->pduOffset); |
| 620 | header->blfLogMask = GUINT16_FROM_LE(header->blfLogMask); |
| 621 | */ |
| 622 | } |
| 623 | |
| 624 | static void |
| 625 | fix_endianness_blf_linmessage(blf_linmessage_t* message) { |
| 626 | message->channel = GUINT16_FROM_LE(message->channel)(((guint16) (message->channel))); |
| 627 | message->crc = GUINT16_FROM_LE(message->crc)(((guint16) (message->crc))); |
| 628 | /* skip the optional part |
| 629 | message->res2 = GUINT32_FROM_LE(message->res2); |
| 630 | */ |
| 631 | } |
| 632 | |
| 633 | static void |
| 634 | fix_endianness_blf_linbusevent(blf_linbusevent_t* linbusevent) { |
| 635 | linbusevent->sof = GUINT64_FROM_LE(linbusevent->sof)(((guint64) (linbusevent->sof))); |
| 636 | linbusevent->eventBaudrate = GUINT32_FROM_LE(linbusevent->eventBaudrate)(((guint32) (linbusevent->eventBaudrate))); |
| 637 | linbusevent->channel = GUINT16_FROM_LE(linbusevent->channel)(((guint16) (linbusevent->channel))); |
| 638 | } |
| 639 | |
| 640 | static void |
| 641 | fix_endianness_blf_linsynchfieldevent(blf_linsynchfieldevent_t* linsynchfieldevent) { |
| 642 | fix_endianness_blf_linbusevent(&linsynchfieldevent->linBusEvent); |
| 643 | linsynchfieldevent->synchBreakLength = GUINT64_FROM_LE(linsynchfieldevent->synchBreakLength)(((guint64) (linsynchfieldevent->synchBreakLength))); |
| 644 | linsynchfieldevent->synchDelLength = GUINT64_FROM_LE(linsynchfieldevent->synchDelLength)(((guint64) (linsynchfieldevent->synchDelLength))); |
| 645 | } |
| 646 | |
| 647 | static void |
| 648 | fix_endianness_blf_linmessagedescriptor(blf_linmessagedescriptor_t* linmessagedescriptor) { |
| 649 | fix_endianness_blf_linsynchfieldevent(&linmessagedescriptor->linSynchFieldEvent); |
| 650 | linmessagedescriptor->supplierId = GUINT16_FROM_LE(linmessagedescriptor->supplierId)(((guint16) (linmessagedescriptor->supplierId))); |
| 651 | linmessagedescriptor->messageId = GUINT16_FROM_LE(linmessagedescriptor->messageId)(((guint16) (linmessagedescriptor->messageId))); |
| 652 | } |
| 653 | |
| 654 | static void |
| 655 | fix_endianness_blf_lindatabytetimestampevent(blf_lindatabytetimestampevent_t* lindatabytetimestampevent) { |
| 656 | int i; |
| 657 | fix_endianness_blf_linmessagedescriptor(&lindatabytetimestampevent->linMessageDescriptor); |
| 658 | for (i = 0; i < 9; i++) { |
| 659 | lindatabytetimestampevent->databyteTimestamps[i] = GUINT64_FROM_LE(lindatabytetimestampevent->databyteTimestamps[i])(((guint64) (lindatabytetimestampevent->databyteTimestamps [i]))); |
| 660 | } |
| 661 | } |
| 662 | |
| 663 | static void |
| 664 | fix_endianness_blf_linmessage2(blf_linmessage2_t* message) { |
| 665 | fix_endianness_blf_lindatabytetimestampevent(&message->linDataByteTimestampEvent); |
| 666 | message->crc = GUINT16_FROM_LE(message->crc)(((guint16) (message->crc))); |
| 667 | /* skip the optional part |
| 668 | message->respBaudrate = GUINT32_FROM_LE(message->respBaudrate); |
| 669 | message->exactHeaderBaudrate = GUINT64_FROM_LE(message->exactHeaderBaudrate); |
| 670 | message->earlyStopBitOffset = GUINT32_FROM_LE(message->earlyStopBitOffset); |
| 671 | message->earlyStopBitOffsetResponse = GUINT32_FROM_LE(message->earlyStopBitOffsetResponse); |
| 672 | */ |
| 673 | } |
| 674 | |
| 675 | static void |
| 676 | fix_endianness_blf_lincrcerror2(blf_lincrcerror2_t* message) { |
| 677 | fix_endianness_blf_lindatabytetimestampevent(&message->linDataByteTimestampEvent); |
| 678 | message->crc = GUINT16_FROM_LE(message->crc)(((guint16) (message->crc))); |
| 679 | /* skip the optional part |
| 680 | message->respBaudrate = GUINT32_FROM_LE(message->respBaudrate); |
| 681 | message->exactHeaderBaudrate = GUINT64_FROM_LE(message->exactHeaderBaudrate); |
| 682 | message->earlyStopBitOffset = GUINT32_FROM_LE(message->earlyStopBitOffset); |
| 683 | message->earlyStopBitOffsetResponse = GUINT32_FROM_LE(message->earlyStopBitOffsetResponse); |
| 684 | */ |
| 685 | } |
| 686 | |
| 687 | static void |
| 688 | fix_endianness_blf_linrcverror2(blf_linrcverror2_t* message) { |
| 689 | fix_endianness_blf_lindatabytetimestampevent(&message->linDataByteTimestampEvent); |
| 690 | /* skip the optional part |
| 691 | message->respBaudrate = GUINT32_FROM_LE(message->respBaudrate); |
| 692 | message->exactHeaderBaudrate = GUINT64_FROM_LE(message->exactHeaderBaudrate); |
| 693 | message->earlyStopBitOffset = GUINT32_FROM_LE(message->earlyStopBitOffset); |
| 694 | message->earlyStopBitOffsetResponse = GUINT32_FROM_LE(message->earlyStopBitOffsetResponse); |
| 695 | */ |
| 696 | } |
| 697 | |
| 698 | static void |
| 699 | fix_endianness_blf_linsenderror2(blf_linsenderror2_t* message) { |
| 700 | fix_endianness_blf_linmessagedescriptor(&message->linMessageDescriptor); |
| 701 | message->eoh = GUINT64_FROM_LE(message->eoh)(((guint64) (message->eoh))); |
| 702 | /* skip the optional part |
| 703 | message->exactHeaderBaudrate = GUINT64_FROM_LE(message->exactHeaderBaudrate); |
| 704 | message->earlyStopBitOffset = GUINT32_FROM_LE(message->earlyStopBitOffset); |
| 705 | */ |
| 706 | } |
| 707 | |
| 708 | static void |
| 709 | fix_endianness_blf_linwakeupevent2(blf_linwakeupevent2_t* message) { |
| 710 | fix_endianness_blf_linbusevent(&message->linBusEvent); |
| 711 | } |
| 712 | |
| 713 | static void |
| 714 | fix_endianness_blf_apptext_header(blf_apptext_t *header) { |
| 715 | header->source = GUINT32_FROM_LE(header->source)(((guint32) (header->source))); |
| 716 | header->reservedAppText1 = GUINT32_FROM_LE(header->reservedAppText1)(((guint32) (header->reservedAppText1))); |
| 717 | header->textLength = GUINT32_FROM_LE(header->textLength)(((guint32) (header->textLength))); |
| 718 | header->reservedAppText2 = GUINT32_FROM_LE(header->reservedAppText2)(((guint32) (header->reservedAppText2))); |
| 719 | } |
| 720 | |
| 721 | static void |
| 722 | fix_endianness_blf_ethernet_status_header(blf_ethernet_status_t* header) { |
| 723 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); |
| 724 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags))); |
| 725 | /*uint8_t linkStatus;*/ |
| 726 | /*uint8_t ethernetPhy;*/ |
| 727 | /*uint8_t duplex;*/ |
| 728 | /*uint8_t mdi;*/ |
| 729 | /*uint8_t connector;*/ |
| 730 | /*uint8_t clockMode;*/ |
| 731 | /*uint8_t pairs;*/ |
| 732 | /*uint8_t hardwareChannel;*/ |
| 733 | header->bitrate = GUINT32_FROM_LE(header->bitrate)(((guint32) (header->bitrate))); |
| 734 | } |
| 735 | |
| 736 | static void |
| 737 | fix_endianness_blf_ethernet_phystate_header(blf_ethernet_phystate_t* header) { |
| 738 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel))); |
| 739 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags))); |
| 740 | } |
| 741 | |
| 742 | static void |
| 743 | blf_init_logcontainer(blf_log_container_t *tmp) { |
| 744 | tmp->infile_start_pos = 0; |
| 745 | tmp->infile_length = 0; |
| 746 | tmp->infile_data_start = 0; |
| 747 | tmp->real_start_pos = 0; |
| 748 | tmp->real_length = 0; |
| 749 | tmp->real_data = NULL((void*)0); |
| 750 | tmp->compression_method = 0; |
| 751 | } |
| 752 | |
| 753 | int |
| 754 | blf_logcontainers_cmp(const void *a, const void *b) { |
| 755 | const blf_log_container_t* container_a = (blf_log_container_t*)a; |
| 756 | const blf_log_container_t* container_b = (blf_log_container_t*)b; |
| 757 | |
| 758 | if (container_a->real_start_pos < container_b->real_start_pos) { |
| 759 | return -1; |
| 760 | } else if (container_a->real_start_pos > container_b->real_start_pos) { |
| 761 | return 1; |
| 762 | } else { |
| 763 | return 0; |
| 764 | } |
| 765 | } |
| 766 | |
| 767 | int |
| 768 | blf_logcontainers_search(const void *a, const void *b) { |
| 769 | const blf_log_container_t* container_a = (blf_log_container_t*)a; |
| 770 | uint64_t pos = *(uint64_t*)b; |
| 771 | |
| 772 | if (container_a->real_start_pos > pos) { |
| 773 | return 1; |
| 774 | } else if (pos >= container_a->real_start_pos + container_a->real_length) { |
| 775 | return -1; |
| 776 | } else { |
| 777 | return 0; |
| 778 | } |
| 779 | } |
| 780 | |
| 781 | #ifdef USE_ZLIB_OR_ZLIBNG |
| 782 | |
| 783 | static uint8_t* |
| 784 | blf_decompress_zlib(uint8_t *compressed_data, unsigned compressed_len, uint64_t decompressed_len, int *err, char **err_info) |
| 785 | { |
| 786 | /* decompressed_len is just read from packet data, and could be bogus. |
| 787 | * It's stored in real_length as a 64-bit integer, but appears to |
| 788 | * be read from packet data as a 32-bit quantity only. In any case, |
| 789 | * we only allocate a 32-bit chunk at a time, and zlib/zlib-ng only |
| 790 | * allow avail_out to be a 32-bit unsigned integer. */ |
| 791 | uint32_t bufsize; |
| 792 | |
| 793 | /* z_stream->total_out is an unsigned long in Zlib, which is always |
| 794 | * 32-bits on Windows (LLP). In Zlib-ng it's a size_t, which is 32-bits |
| 795 | * on 32-bit platforms. */ |
| 796 | uint64_t total_out = 0; |
| 797 | |
| 798 | if (decompressed_len == 0 || compressed_len == 0) { |
| 799 | *err = WTAP_ERR_BAD_FILE-13; |
| 800 | *err_info = ws_strdup("blf: compressed or decompressed container has 0 length")wmem_strdup(((void*)0), "blf: compressed or decompressed container has 0 length" ); |
| 801 | return NULL((void*)0); |
| 802 | } |
| 803 | |
| 804 | /* Typical compression ratios are between 2:1-5:1; the theoretical max |
| 805 | * is somewhat above 1030:1; depending on what's being compressed, that |
| 806 | * could actually be legitimate (sometimes there are long runs of zeros), |
| 807 | * but we might want to just refuse past a certain point. Since the |
| 808 | * decompressed_len in reality seems to be 32-bit, that imposes a limit. */ |
| 809 | uint64_t ratio = decompressed_len / compressed_len; |
| 810 | if (ratio > 1032) { |
| 811 | /* This is just impossible, so go ahead and stop now. */ |
| 812 | *err = WTAP_ERR_BAD_FILE-13; |
| 813 | *err_info = ws_strdup_printf("blf: uncompressed data has wrong length (%" PRIu64 " with a compressed size of %u is a compression ratio of %" PRIu64 ", greater than the theoretical max of 1032)", decompressed_len, compressed_len, ratio)wmem_strdup_printf(((void*)0), "blf: uncompressed data has wrong length (%" "l" "u" " with a compressed size of %u is a compression ratio of %" "l" "u" ", greater than the theoretical max of 1032)", decompressed_len , compressed_len, ratio); |
| 814 | return NULL((void*)0); |
| 815 | } else if (ratio > 5) { |
| 816 | if (ckd_mul(&bufsize, compressed_len, 5)__builtin_mul_overflow((compressed_len), (5), (&bufsize))) { |
| 817 | bufsize = INT32_MAX(2147483647); |
| 818 | } |
| 819 | } else { |
| 820 | bufsize = (unsigned)MIN(decompressed_len, INT32_MAX)(((decompressed_len) < ((2147483647))) ? (decompressed_len ) : ((2147483647))); |
| 821 | } |
| 822 | |
| 823 | unsigned char *buf = g_try_malloc(bufsize); |
| 824 | if (buf == NULL((void*)0)) { |
| 825 | *err = WTAP_ERR_INTERNAL-21; |
| 826 | *err_info = ws_strdup("blf: cannot allocate memory")wmem_strdup(((void*)0), "blf: cannot allocate memory"); |
| 827 | return NULL((void*)0); |
| 828 | } |
| 829 | zlib_stream infstream = {0}; |
| 830 | |
| 831 | infstream.avail_in = compressed_len; |
| 832 | infstream.next_in = compressed_data; |
| 833 | infstream.avail_out = bufsize; |
| 834 | |
| 835 | /* the actual DE-compression work. */ |
| 836 | if (Z_OK0 != ZLIB_PREFIX(inflateInit)(&infstream)inflateInit_((&infstream), "1.3.1", (int)sizeof(z_stream) )) { |
| 837 | /* |
| 838 | * XXX - check the error code and handle this appropriately. |
| 839 | */ |
| 840 | g_free(buf)(__builtin_object_size ((buf), 0) != ((size_t) - 1)) ? g_free_sized (buf, __builtin_object_size ((buf), 0)) : (g_free) (buf); |
| 841 | *err = WTAP_ERR_INTERNAL-21; |
| 842 | if (infstream.msg != NULL((void*)0)) { |
| 843 | *err_info = ws_strdup_printf("blf: inflateInit failed for LogContainer, message\"%s\"",wmem_strdup_printf(((void*)0), "blf: inflateInit failed for LogContainer, message\"%s\"" , infstream.msg) |
| 844 | infstream.msg)wmem_strdup_printf(((void*)0), "blf: inflateInit failed for LogContainer, message\"%s\"" , infstream.msg); |
| 845 | } else { |
| 846 | *err_info = ws_strdup("blf: inflateInit failed for LogContainer")wmem_strdup(((void*)0), "blf: inflateInit failed for LogContainer" ); |
| 847 | } |
| 848 | ws_debug("inflateInit failed for LogContainer")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 848, __func__, "inflateInit failed for LogContainer"); } } while (0); |
| 849 | if (infstream.msg != NULL((void*)0)) { |
| 850 | ws_debug("inflateInit returned: \"%s\"", infstream.msg)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 850, __func__, "inflateInit returned: \"%s\"", infstream.msg ); } } while (0); |
| 851 | } |
| 852 | return NULL((void*)0); |
| 853 | } |
| 854 | |
| 855 | int ret; |
| 856 | |
| 857 | |
| 858 | do { |
| 859 | infstream.next_out = &buf[total_out]; |
| 860 | ret = ZLIB_PREFIX(inflate)inflate(&infstream, Z_NO_FLUSH0); |
| 861 | |
| 862 | switch (ret) { |
| 863 | case Z_OK0: |
| 864 | case Z_STREAM_END1: |
| 865 | total_out += (bufsize - infstream.avail_out); |
| 866 | |
| 867 | /* Presumably need more space. */ |
| 868 | if (total_out > decompressed_len) { |
| 869 | *err = WTAP_ERR_BAD_FILE-13; |
| 870 | *err_info = ws_strdup_printf("blf: uncompressed data has wrong length (%" PRIu64 " > %" PRIu64")", total_out, decompressed_len)wmem_strdup_printf(((void*)0), "blf: uncompressed data has wrong length (%" "l" "u" " > %" "l" "u"")", total_out, decompressed_len); |
| 871 | break; |
| 872 | } |
| 873 | if (infstream.avail_out == 0) { |
| 874 | /* Increase the total buffer */ |
| 875 | bufsize = (uint32_t)MIN(total_out, INT32_MAX)(((total_out) < ((2147483647))) ? (total_out) : ((2147483647 ))); |
| 876 | bufsize = (uint32_t)MIN(decompressed_len - total_out, bufsize)(((decompressed_len - total_out) < (bufsize)) ? (decompressed_len - total_out) : (bufsize)); |
| 877 | |
| 878 | buf = (uint8_t*)g_realloc(buf, total_out + bufsize); |
| 879 | infstream.avail_out = bufsize; |
| 880 | } |
| 881 | continue; |
| 882 | |
| 883 | case Z_NEED_DICT2: |
| 884 | *err = WTAP_ERR_DECOMPRESS-20; |
| 885 | *err_info = ws_strdup("blf: preset dictionary needed to decompress")wmem_strdup(((void*)0), "blf: preset dictionary needed to decompress" ); |
| 886 | break; |
| 887 | |
| 888 | case Z_STREAM_ERROR(-2): |
| 889 | *err = WTAP_ERR_INTERNAL-21; |
| 890 | *err_info = ws_strdup_printf("blf: Z_STREAM_ERROR from inflate(), message \"%s\"",wmem_strdup_printf(((void*)0), "blf: Z_STREAM_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)") |
| 891 | (infstream.msg != NULL) ? infstream.msg : "(none)")wmem_strdup_printf(((void*)0), "blf: Z_STREAM_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)"); |
| 892 | break; |
| 893 | |
| 894 | case Z_MEM_ERROR(-4): |
| 895 | /* This means "not enough memory". */ |
| 896 | *err = ENOMEM12; |
| 897 | *err_info = NULL((void*)0); |
| 898 | break; |
| 899 | |
| 900 | case Z_DATA_ERROR(-3): |
| 901 | /* This means "deflate stream invalid" */ |
| 902 | *err = WTAP_ERR_DECOMPRESS-20; |
| 903 | *err_info = (infstream.msg != NULL((void*)0)) ? ws_strdup(infstream.msg)wmem_strdup(((void*)0), infstream.msg) : NULL((void*)0); |
| 904 | break; |
| 905 | |
| 906 | case Z_BUF_ERROR(-5): |
| 907 | /* XXX - this is recoverable; what should we do here? */ |
| 908 | *err = WTAP_ERR_INTERNAL-21; |
| 909 | *err_info = ws_strdup_printf("blf: Z_BUF_ERROR from inflate(), message \"%s\"",wmem_strdup_printf(((void*)0), "blf: Z_BUF_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)") |
| 910 | (infstream.msg != NULL) ? infstream.msg : "(none)")wmem_strdup_printf(((void*)0), "blf: Z_BUF_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)"); |
| 911 | break; |
| 912 | |
| 913 | case Z_VERSION_ERROR(-6): |
| 914 | *err = WTAP_ERR_INTERNAL-21; |
| 915 | *err_info = ws_strdup_printf("blf: Z_VERSION_ERROR from inflate(), message \"%s\"",wmem_strdup_printf(((void*)0), "blf: Z_VERSION_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)") |
| 916 | (infstream.msg != NULL) ? infstream.msg : "(none)")wmem_strdup_printf(((void*)0), "blf: Z_VERSION_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)"); |
| 917 | break; |
| 918 | |
| 919 | default: |
| 920 | *err = WTAP_ERR_INTERNAL-21; |
| 921 | *err_info = ws_strdup_printf("blf: unexpected error %d from inflate(), message \"%s\"",wmem_strdup_printf(((void*)0), "blf: unexpected error %d from inflate(), message \"%s\"" , ret, (infstream.msg != ((void*)0)) ? infstream.msg : "(none)" ) |
| 922 | ret,wmem_strdup_printf(((void*)0), "blf: unexpected error %d from inflate(), message \"%s\"" , ret, (infstream.msg != ((void*)0)) ? infstream.msg : "(none)" ) |
| 923 | (infstream.msg != NULL) ? infstream.msg : "(none)")wmem_strdup_printf(((void*)0), "blf: unexpected error %d from inflate(), message \"%s\"" , ret, (infstream.msg != ((void*)0)) ? infstream.msg : "(none)" ); |
| 924 | break; |
| 925 | } |
| 926 | g_free(buf)(__builtin_object_size ((buf), 0) != ((size_t) - 1)) ? g_free_sized (buf, __builtin_object_size ((buf), 0)) : (g_free) (buf); |
| 927 | ws_debug("inflate failed (return code %d) for LogContainer", ret)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 927, __func__, "inflate failed (return code %d) for LogContainer" , ret); } } while (0); |
| 928 | if (infstream.msg != NULL((void*)0)) { |
| 929 | ws_debug("inflate returned: \"%s\"", infstream.msg)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 929, __func__, "inflate returned: \"%s\"", infstream.msg); } } while (0); |
| 930 | } |
| 931 | /* Free up any dynamically-allocated memory in infstream */ |
| 932 | ZLIB_PREFIX(inflateEnd)inflateEnd(&infstream); |
| 933 | return NULL((void*)0); |
| 934 | } while (ret != Z_STREAM_END1); |
| 935 | |
| 936 | if (Z_OK0 != ZLIB_PREFIX(inflateEnd)inflateEnd(&infstream)) { |
| 937 | /* |
| 938 | * The zlib manual says this only returns Z_OK on success |
| 939 | * and Z_STREAM_ERROR if the stream state was inconsistent. |
| 940 | * |
| 941 | * It's not clear what useful information can be reported |
| 942 | * for Z_STREAM_ERROR; a look at the 1.2.11 source indicates |
| 943 | * that no string is returned to indicate what the problem |
| 944 | * was. |
| 945 | * |
| 946 | * It's also not clear what to do about infstream if this |
| 947 | * fails. |
| 948 | */ |
| 949 | *err = WTAP_ERR_INTERNAL-21; |
| 950 | *err_info = ws_strdup("blf: inflateEnd failed for LogContainer")wmem_strdup(((void*)0), "blf: inflateEnd failed for LogContainer" ); |
| 951 | g_free(buf)(__builtin_object_size ((buf), 0) != ((size_t) - 1)) ? g_free_sized (buf, __builtin_object_size ((buf), 0)) : (g_free) (buf); |
| 952 | ws_debug("inflateEnd failed for LogContainer")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 952, __func__, "inflateEnd failed for LogContainer"); } } while (0); |
| 953 | if (infstream.msg != NULL((void*)0)) { |
| 954 | ws_debug("inflateEnd returned: \"%s\"", infstream.msg)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 954, __func__, "inflateEnd returned: \"%s\"", infstream.msg ); } } while (0); |
| 955 | } |
| 956 | return NULL((void*)0); |
| 957 | } |
| 958 | |
| 959 | if (total_out < decompressed_len) { |
| 960 | /* Decompressed fewer bytes than claimed. */ |
| 961 | g_free(buf)(__builtin_object_size ((buf), 0) != ((size_t) - 1)) ? g_free_sized (buf, __builtin_object_size ((buf), 0)) : (g_free) (buf); |
| 962 | *err = WTAP_ERR_BAD_FILE-13; |
| 963 | *err_info = ws_strdup_printf("blf: uncompressed data has wrong length (%" PRIu64 " < %" PRIu64")", total_out, decompressed_len)wmem_strdup_printf(((void*)0), "blf: uncompressed data has wrong length (%" "l" "u" " < %" "l" "u"")", total_out, decompressed_len); |
| 964 | return NULL((void*)0); |
| 965 | } |
| 966 | |
| 967 | return buf; |
| 968 | } |
| 969 | #endif /* USE_ZLIB_OR_ZLIBNG */ |
| 970 | |
| 971 | /** Ensures the given log container is in memory |
| 972 | * |
| 973 | * If the log container already is not already in memory, |
| 974 | * it reads it from the current seek position, allocating a |
| 975 | * properly sized buffer. |
| 976 | * The file offset must be set to the start of the container |
| 977 | * data (container->infile_data_start) before calling this function. |
| 978 | */ |
| 979 | static bool_Bool |
| 980 | blf_pull_logcontainer_into_memory(blf_params_t *params, blf_log_container_t *container, int *err, char **err_info) { |
| 981 | |
| 982 | if (container == NULL((void*)0)) { |
| 983 | *err = WTAP_ERR_INTERNAL-21; |
| 984 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory called with NULL container")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory called with NULL container" ); |
| 985 | return false0; |
| 986 | } |
| 987 | |
| 988 | if (container->real_data != NULL((void*)0)) { |
| 989 | return true1; |
| 990 | } |
| 991 | |
| 992 | /* pull compressed data into buffer */ |
| 993 | if (container->infile_start_pos < 0) { |
| 994 | /* |
| 995 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a |
| 996 | * malformed file (WTAP_ERR_BAD_FILE)? |
| 997 | */ |
| 998 | *err = WTAP_ERR_INTERNAL-21; |
| 999 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: container.infile_start_pos (%" PRId64 ") < 0",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_start_pos (%" "l" "d" ") < 0", container->infile_start_pos) |
| 1000 | container->infile_start_pos)wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_start_pos (%" "l" "d" ") < 0", container->infile_start_pos); |
| 1001 | return false0; |
| 1002 | } |
| 1003 | if (container->infile_data_start < (uint64_t)container->infile_start_pos) { |
| 1004 | /* |
| 1005 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a |
| 1006 | * malformed file (WTAP_ERR_BAD_FILE)? |
| 1007 | */ |
| 1008 | *err = WTAP_ERR_INTERNAL-21; |
| 1009 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: container.infile_data_start (%" PRIu64 ") < container.infile_start_pos (%" PRId64 ")",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_data_start (%" "l" "u" ") < container.infile_start_pos (%" "l" "d" ")", container ->infile_data_start, container->infile_start_pos) |
| 1010 | container->infile_data_start, container->infile_start_pos)wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_data_start (%" "l" "u" ") < container.infile_start_pos (%" "l" "d" ")", container ->infile_data_start, container->infile_start_pos); |
| 1011 | return false0; |
| 1012 | } |
| 1013 | if (container->infile_length < container->infile_data_start - (uint64_t)container->infile_start_pos) { |
| 1014 | /* The object length comes from the file, and is only checked |
| 1015 | * against the block header length, not the container header. */ |
| 1016 | *err = WTAP_ERR_BAD_FILE-13; |
| 1017 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: container.infile_length (%" PRIu64 ") < (container.infile_data_start (%" PRIu64 ") - container.infile_start_pos (%" PRId64 ")) = %" PRIu64,wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_length (%" "l" "u" ") < (container.infile_data_start (%" "l" "u" ") - container.infile_start_pos (%" "l" "d" ")) = %" "l" "u", container->infile_length, container ->infile_data_start, container->infile_start_pos, container ->infile_data_start - (uint64_t)container->infile_start_pos ) |
| 1018 | container->infile_length,wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_length (%" "l" "u" ") < (container.infile_data_start (%" "l" "u" ") - container.infile_start_pos (%" "l" "d" ")) = %" "l" "u", container->infile_length, container ->infile_data_start, container->infile_start_pos, container ->infile_data_start - (uint64_t)container->infile_start_pos ) |
| 1019 | container->infile_data_start, container->infile_start_pos,wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_length (%" "l" "u" ") < (container.infile_data_start (%" "l" "u" ") - container.infile_start_pos (%" "l" "d" ")) = %" "l" "u", container->infile_length, container ->infile_data_start, container->infile_start_pos, container ->infile_data_start - (uint64_t)container->infile_start_pos ) |
| 1020 | container->infile_data_start - (uint64_t)container->infile_start_pos)wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: container.infile_length (%" "l" "u" ") < (container.infile_data_start (%" "l" "u" ") - container.infile_start_pos (%" "l" "d" ")) = %" "l" "u", container->infile_length, container ->infile_data_start, container->infile_start_pos, container ->infile_data_start - (uint64_t)container->infile_start_pos ); |
| 1021 | return false0; |
| 1022 | } |
| 1023 | uint64_t data_length = container->infile_length - (container->infile_data_start - (uint64_t)container->infile_start_pos); |
| 1024 | if (data_length > UINT_MAX(2147483647 *2U +1U)) { |
| 1025 | /* |
| 1026 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a |
| 1027 | * malformed file (WTAP_ERR_BAD_FILE)? |
| 1028 | */ |
| 1029 | *err = WTAP_ERR_INTERNAL-21; |
| 1030 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: data_length (%" PRIu64 ") > UINT_MAX",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: data_length (%" "l" "u" ") > UINT_MAX", data_length) |
| 1031 | data_length)wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: data_length (%" "l" "u" ") > UINT_MAX", data_length); |
| 1032 | return false0; |
| 1033 | } |
| 1034 | |
| 1035 | if (container->real_length == 0) { |
| 1036 | ws_info("blf_pull_logcontainer_into_memory: found container with 0 length")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_INFO, ((void*) 0), -1, ((void*)0), "blf_pull_logcontainer_into_memory: found container with 0 length" ); } } while (0); |
| 1037 | /* Skip empty container */ |
| 1038 | if (!wtap_read_bytes_or_eof(params->fh, NULL((void*)0), (unsigned int)data_length, err, err_info)) { |
| 1039 | if (*err == WTAP_ERR_SHORT_READ-12) { |
| 1040 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: short read on 0-length container")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: short read on 0-length container" ); |
| 1041 | } |
| 1042 | return false0; |
| 1043 | } |
| 1044 | return true1; |
| 1045 | } |
| 1046 | |
| 1047 | if (container->compression_method == BLF_COMPRESSION_NONE0) { |
| 1048 | if (data_length != container->real_length) { |
| 1049 | *err = WTAP_ERR_BAD_FILE-13; |
| 1050 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: uncompressed data has wrong length")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: uncompressed data has wrong length" ); |
| 1051 | return false0; |
| 1052 | } |
| 1053 | unsigned char* buf = g_try_malloc((size_t)container->real_length); |
| 1054 | if (buf == NULL((void*)0)) { |
| 1055 | *err = WTAP_ERR_INTERNAL-21; |
| 1056 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: cannot allocate memory")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: cannot allocate memory" ); |
| 1057 | return false0; |
| 1058 | } |
| 1059 | if (!wtap_read_bytes_or_eof(params->fh, buf, (unsigned int)data_length, err, err_info)) { |
| 1060 | g_free(buf)(__builtin_object_size ((buf), 0) != ((size_t) - 1)) ? g_free_sized (buf, __builtin_object_size ((buf), 0)) : (g_free) (buf); |
| 1061 | if (*err == WTAP_ERR_SHORT_READ-12) { |
| 1062 | /* |
| 1063 | * XXX - Possible improvement: read as much as we can, instead of |
| 1064 | * skipping the last log container entirely. |
| 1065 | */ |
| 1066 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: short read on uncompressed data")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: short read on uncompressed data" ); |
| 1067 | } |
| 1068 | return false0; |
| 1069 | } |
| 1070 | container->real_data = buf; |
| 1071 | return true1; |
| 1072 | |
| 1073 | } else if (container->compression_method == BLF_COMPRESSION_ZLIB2) { |
| 1074 | #ifdef USE_ZLIB_OR_ZLIBNG |
| 1075 | if (data_length == 0) { |
| 1076 | *err = WTAP_ERR_BAD_FILE-13; |
| 1077 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: compressed container has 0 length")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: compressed container has 0 length" ); |
| 1078 | return false0; |
| 1079 | } |
| 1080 | unsigned char *compressed_data = g_try_malloc((size_t)data_length); |
| 1081 | if (compressed_data == NULL((void*)0)) { |
| 1082 | *err = WTAP_ERR_INTERNAL-21; |
| 1083 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: cannot allocate memory")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: cannot allocate memory" ); |
| 1084 | return false0; |
| 1085 | } |
| 1086 | if (!wtap_read_bytes_or_eof(params->fh, compressed_data, (unsigned int)data_length, err, err_info)) { |
| 1087 | g_free(compressed_data)(__builtin_object_size ((compressed_data), 0) != ((size_t) - 1 )) ? g_free_sized (compressed_data, __builtin_object_size ((compressed_data ), 0)) : (g_free) (compressed_data); |
| 1088 | if (*err == WTAP_ERR_SHORT_READ-12) { |
| 1089 | /* |
| 1090 | * XXX - Possible improvement: read as much as we can, instead of |
| 1091 | * skipping the last log container entirely. |
| 1092 | * In this case, we also need to handle potential errors when inflating. |
| 1093 | */ |
| 1094 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: short read on compressed data")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: short read on compressed data" ); |
| 1095 | } |
| 1096 | return false0; |
| 1097 | } |
| 1098 | |
| 1099 | container->real_data = blf_decompress_zlib(compressed_data, (unsigned)data_length, container->real_length, err, err_info); |
| 1100 | g_free(compressed_data)(__builtin_object_size ((compressed_data), 0) != ((size_t) - 1 )) ? g_free_sized (compressed_data, __builtin_object_size ((compressed_data ), 0)) : (g_free) (compressed_data); |
| 1101 | if (container->real_data == NULL((void*)0)) { |
| 1102 | return false0; |
| 1103 | } |
| 1104 | return true1; |
| 1105 | #else /* USE_ZLIB_OR_ZLIBNG */ |
| 1106 | (void) params; |
| 1107 | *err = WTAP_ERR_DECOMPRESSION_NOT_SUPPORTED-26; |
| 1108 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: reading gzip-compressed containers isn't supported")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: reading gzip-compressed containers isn't supported" ); |
| 1109 | return false0; |
| 1110 | #endif /* USE_ZLIB_OR_ZLIBNG */ |
| 1111 | } |
| 1112 | |
| 1113 | return false0; |
| 1114 | } |
| 1115 | |
| 1116 | /** Finds the next log container starting at the current file offset |
| 1117 | * |
| 1118 | * Adds the container to the containers array for later access |
| 1119 | */ |
| 1120 | static bool_Bool |
| 1121 | blf_find_next_logcontainer(blf_params_t* params, int* err, char** err_info) { |
| 1122 | blf_blockheader_t header; |
| 1123 | blf_logcontainerheader_t logcontainer_header; |
| 1124 | blf_log_container_t tmp; |
| 1125 | unsigned char* header_ptr; |
| 1126 | unsigned int i; |
| 1127 | |
| 1128 | uint64_t current_real_start; |
| 1129 | if (params->blf_data->log_containers->len == 0) { |
| 1130 | current_real_start = 0; |
| 1131 | } else { |
| 1132 | const blf_log_container_t* container = &g_array_index(params->blf_data->log_containers, blf_log_container_t, params->blf_data->log_containers->len - 1)(((blf_log_container_t*) (void *) (params->blf_data->log_containers )->data) [(params->blf_data->log_containers->len - 1)]); |
| 1133 | current_real_start = container->real_start_pos + container->real_length; |
| 1134 | } |
| 1135 | |
| 1136 | header_ptr = (unsigned char*)&header; |
| 1137 | i = 0; |
| 1138 | |
| 1139 | /** Find Object |
| 1140 | * |
| 1141 | * We read one byte at a time so that we don't have to seek backward (allows us to do a linear read) |
| 1142 | */ |
| 1143 | while (i < sizeof(blf_obj_magic)) { |
| 1144 | if (!wtap_read_bytes_or_eof(params->fh, &header_ptr[i], 1, err, err_info)) { |
| 1145 | ws_debug("we found end of file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1145, __func__, "we found end of file"); } } while (0); |
| 1146 | return false0; |
| 1147 | } |
| 1148 | if (header_ptr[i] != blf_obj_magic[i]) { |
| 1149 | if (params->pipe) { |
| 1150 | ws_debug("container object magic is not LOBJ")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1150, __func__, "container object magic is not LOBJ"); } } while (0); |
| 1151 | } else { |
| 1152 | ws_debug("container object magic is not LOBJ (pos: 0x%" PRIx64 ")", file_tell(params->fh) - 1)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1152, __func__, "container object magic is not LOBJ (pos: 0x%" "l" "x" ")", file_tell(params->fh) - 1); } } while (0); |
| 1153 | } |
| 1154 | if (i > 0) { |
| 1155 | int j = i; |
| 1156 | |
| 1157 | while (memcmp(&header_ptr[i - j + 1], blf_obj_magic, j)) { |
| 1158 | /* Check if the last j bytes match the first j bytes of the magic */ |
| 1159 | j--; |
| 1160 | } |
| 1161 | |
| 1162 | /* The last j bytes match, and the first j bytes are already in the buffer, since j<=i */ |
| 1163 | i = j; |
| 1164 | } |
| 1165 | } else { |
| 1166 | /* Character matches */ |
| 1167 | i++; |
| 1168 | } |
| 1169 | } |
| 1170 | |
| 1171 | if (!wtap_read_bytes_or_eof(params->fh, &header.header_length, sizeof(blf_blockheader_t) - sizeof(blf_obj_magic), err, err_info)) { |
| 1172 | ws_debug("we found end of file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1172, __func__, "we found end of file"); } } while (0); |
| 1173 | return false0; |
| 1174 | } |
| 1175 | |
| 1176 | fix_endianness_blf_blockheader(&header); |
| 1177 | |
| 1178 | if (header.header_length < sizeof(blf_blockheader_t)) { |
| 1179 | *err = WTAP_ERR_BAD_FILE-13; |
| 1180 | *err_info = ws_strdup("blf: header length too short while looking for object")wmem_strdup(((void*)0), "blf: header length too short while looking for object" ); |
| 1181 | return false0; |
| 1182 | } |
| 1183 | |
| 1184 | if (header.header_type != BLF_HEADER_TYPE_DEFAULT1) { |
| 1185 | *err = WTAP_ERR_UNSUPPORTED-4; |
| 1186 | *err_info = ws_strdup_printf("blf: unknown header type (%u), I know only BLF_HEADER_TYPE_DEFAULT (1)", header.header_type)wmem_strdup_printf(((void*)0), "blf: unknown header type (%u), I know only BLF_HEADER_TYPE_DEFAULT (1)" , header.header_type); |
| 1187 | return false0; |
| 1188 | } |
| 1189 | |
| 1190 | if (header.object_length < header.header_length) { |
| 1191 | *err = WTAP_ERR_BAD_FILE-13; |
| 1192 | *err_info = ws_strdup("blf: header object length less than header length while looking for objects")wmem_strdup(((void*)0), "blf: header object length less than header length while looking for objects" ); |
| 1193 | return false0; |
| 1194 | } |
| 1195 | |
| 1196 | if (header.object_type == BLF_OBJTYPE_LOG_CONTAINER10) { |
| 1197 | /* skip unknown header part if needed */ |
| 1198 | if (header.header_length > sizeof(blf_blockheader_t)) { |
| 1199 | /* seek over unknown header part */ |
| 1200 | if (!wtap_read_bytes(params->fh, NULL((void*)0), header.header_length - sizeof(blf_blockheader_t), err, err_info)) { |
| 1201 | ws_debug("error skipping unknown header bytes in log container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1201, __func__, "error skipping unknown header bytes in log container" ); } } while (0); |
| 1202 | return false0; |
| 1203 | } |
| 1204 | } |
| 1205 | |
| 1206 | /* Read the log container header */ |
| 1207 | if (!wtap_read_bytes_or_eof(params->fh, &logcontainer_header, sizeof(blf_logcontainerheader_t), err, err_info)) { |
| 1208 | ws_debug("not enough bytes for log container header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1208, __func__, "not enough bytes for log container header" ); } } while (0); |
| 1209 | return false0; |
| 1210 | } |
| 1211 | |
| 1212 | fix_endianness_blf_logcontainerheader(&logcontainer_header); |
| 1213 | |
| 1214 | blf_init_logcontainer(&tmp); |
| 1215 | |
| 1216 | if (params->pipe) { |
| 1217 | tmp.infile_start_pos = 0; |
| 1218 | tmp.infile_data_start = sizeof(blf_logcontainerheader_t) + header.header_length; |
| 1219 | } else { |
| 1220 | tmp.infile_data_start = file_tell(params->fh); |
| 1221 | tmp.infile_start_pos = tmp.infile_data_start - sizeof(blf_logcontainerheader_t) - header.header_length; |
| 1222 | } |
| 1223 | tmp.infile_length = header.object_length; |
| 1224 | |
| 1225 | tmp.real_start_pos = current_real_start; |
| 1226 | tmp.real_length = logcontainer_header.uncompressed_size; |
| 1227 | tmp.compression_method = logcontainer_header.compression_method; |
| 1228 | |
| 1229 | ws_debug("found log container with real_pos=0x%" PRIx64 ", real_length=0x%" PRIx64, tmp.real_start_pos, tmp.real_length)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1229, __func__, "found log container with real_pos=0x%" "l" "x" ", real_length=0x%" "l" "x", tmp.real_start_pos, tmp.real_length ); } } while (0); |
| 1230 | } else { |
| 1231 | ws_debug("found BLF object without log container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1231, __func__, "found BLF object without log container"); } } while (0); |
| 1232 | |
| 1233 | /* Create a fake log container for the lone object. |
| 1234 | * In order to avoid seeking backwards, we need to pull the fake log container now. |
| 1235 | */ |
| 1236 | unsigned char* buf = g_try_malloc((size_t)header.object_length); |
| 1237 | if (buf == NULL((void*)0)) { |
| 1238 | /* |
| 1239 | * XXX - we need an "out of memory" error code here. |
| 1240 | */ |
| 1241 | *err = WTAP_ERR_INTERNAL-21; |
| 1242 | *err_info = ws_strdup("blf_find_next_logcontainer: cannot allocate memory")wmem_strdup(((void*)0), "blf_find_next_logcontainer: cannot allocate memory" ); |
| 1243 | return false0; |
| 1244 | } |
| 1245 | |
| 1246 | memcpy(buf, &header, sizeof(blf_blockheader_t)); |
| 1247 | |
| 1248 | if (header.object_length > sizeof(blf_blockheader_t)) { |
| 1249 | if (!wtap_read_bytes(params->fh, buf + sizeof(blf_blockheader_t), header.object_length - sizeof(blf_blockheader_t), err, err_info)) { |
| 1250 | g_free(buf)(__builtin_object_size ((buf), 0) != ((size_t) - 1)) ? g_free_sized (buf, __builtin_object_size ((buf), 0)) : (g_free) (buf); |
| 1251 | ws_debug("cannot pull object without log container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1251, __func__, "cannot pull object without log container") ; } } while (0); |
| 1252 | return false0; |
| 1253 | } |
| 1254 | } |
| 1255 | |
| 1256 | blf_init_logcontainer(&tmp); |
| 1257 | |
| 1258 | tmp.infile_start_pos = params->pipe ? 0 : (file_tell(params->fh) - header.object_length); |
| 1259 | tmp.infile_data_start = tmp.infile_start_pos; |
| 1260 | tmp.infile_length = header.object_length; |
| 1261 | |
| 1262 | tmp.real_start_pos = current_real_start; |
| 1263 | tmp.real_length = header.object_length; |
| 1264 | tmp.compression_method = BLF_COMPRESSION_NONE0; |
| 1265 | |
| 1266 | tmp.real_data = buf; |
| 1267 | |
| 1268 | ws_debug("found non-log-container object with real_pos=0x%" PRIx64 ", real_length=0x%" PRIx64, tmp.real_start_pos, tmp.real_length)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1268, __func__, "found non-log-container object with real_pos=0x%" "l" "x" ", real_length=0x%" "l" "x", tmp.real_start_pos, tmp .real_length); } } while (0); |
| 1269 | } |
| 1270 | |
| 1271 | g_array_append_val(params->blf_data->log_containers, tmp)g_array_append_vals (params->blf_data->log_containers, & (tmp), 1); |
| 1272 | |
| 1273 | return true1; |
| 1274 | } |
| 1275 | |
| 1276 | static bool_Bool |
| 1277 | // NOLINTNEXTLINE(misc-no-recursion) |
| 1278 | blf_pull_next_logcontainer(blf_params_t* params, int* err, char** err_info) { |
| 1279 | blf_log_container_t* container; |
| 1280 | |
| 1281 | if (!blf_find_next_logcontainer(params, err, err_info)) { |
| 1282 | return false0; |
| 1283 | } |
| 1284 | |
| 1285 | /* Is there a next log container to pull? */ |
| 1286 | if (params->blf_data->log_containers->len == 0) { |
| 1287 | /* No. */ |
| 1288 | return false0; |
| 1289 | } |
| 1290 | |
| 1291 | container = &g_array_index(params->blf_data->log_containers, blf_log_container_t, params->blf_data->log_containers->len - 1)(((blf_log_container_t*) (void *) (params->blf_data->log_containers )->data) [(params->blf_data->log_containers->len - 1)]); |
| 1292 | if (!blf_pull_logcontainer_into_memory(params, container, err, err_info)) { |
| 1293 | if (*err == WTAP_ERR_DECOMPRESS-20 || *err == WTAP_ERR_SHORT_READ-12) { |
| 1294 | report_warning("Error while decompressing BLF log container number %u (file pos. 0x%" PRIx64"l" "x" "): %s", |
| 1295 | params->blf_data->log_containers->len - 1, container->infile_start_pos, *err_info ? *err_info : "(none)"); |
| 1296 | *err = 0; |
| 1297 | g_free(*err_info)(__builtin_object_size ((*err_info), 0) != ((size_t) - 1)) ? g_free_sized (*err_info, __builtin_object_size ((*err_info), 0)) : (g_free ) (*err_info); |
| 1298 | *err_info = NULL((void*)0); |
| 1299 | |
| 1300 | /* Skip this log container. */ |
| 1301 | g_array_remove_index(params->blf_data->log_containers, params->blf_data->log_containers->len - 1); |
| 1302 | } |
| 1303 | switch (*err) { |
| 1304 | case WTAP_ERR_DECOMPRESS-20: |
| 1305 | /* |
| 1306 | * Try to get the next log container. Calling blf_pull_logcontainer_into_memory advances |
| 1307 | * the file pointer: eventually we will reach the end of the file and stop recursing. |
| 1308 | */ |
| 1309 | return blf_pull_next_logcontainer(params, err, err_info); |
| 1310 | case WTAP_ERR_SHORT_READ-12: |
| 1311 | /* |
| 1312 | * This can happen if the log container (and consequently the file) was abruptly truncated for any reason. |
| 1313 | * We can go on, since the file pointer has already been advanced, so we're already at EOF. |
| 1314 | */ |
| 1315 | return true1; |
| 1316 | default: |
| 1317 | break; |
| 1318 | } |
| 1319 | |
| 1320 | return false0; |
| 1321 | } |
| 1322 | |
| 1323 | return true1; |
| 1324 | } |
| 1325 | |
| 1326 | static bool_Bool |
| 1327 | blf_read_bytes_or_eof(blf_params_t *params, uint64_t real_pos, void *target_buffer, uint64_t count, int *err, char **err_info) { |
| 1328 | blf_log_container_t* container; |
| 1329 | unsigned container_index; |
| 1330 | |
| 1331 | uint64_t end_pos = real_pos + count; |
| 1332 | |
| 1333 | uint64_t copied = 0; |
| 1334 | uint64_t data_left; |
| 1335 | uint64_t start_in_buf; |
| 1336 | |
| 1337 | unsigned char *buf = (unsigned char *)target_buffer; |
| 1338 | |
| 1339 | if (count == 0) { |
| 1340 | ws_debug("called blf_read_bytes_or_eof with 0 count")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1340, __func__, "called blf_read_bytes_or_eof with 0 count" ); } } while (0); |
| 1341 | return false0; |
| 1342 | } |
| 1343 | |
| 1344 | if (count > UINT32_MAX(4294967295U)) { |
| 1345 | ws_debug("trying to read too many bytes")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1345, __func__, "trying to read too many bytes"); } } while (0); |
| 1346 | return false0; |
| 1347 | } |
| 1348 | |
| 1349 | if (params->random) { |
| 1350 | /* |
| 1351 | * Do a binary search for the container in which real_pos |
| 1352 | * is included. |
| 1353 | */ |
| 1354 | if (!g_array_binary_search(params->blf_data->log_containers, &real_pos, blf_logcontainers_search, &container_index)) { |
| 1355 | /* |
| 1356 | * XXX - why is this treated as an EOF rather than an error? |
| 1357 | * *err appears to be 0, which means our caller treats it as an |
| 1358 | * EOF, at least when reading the log object header. |
| 1359 | */ |
| 1360 | ws_debug("cannot read data because start position cannot be mapped")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1360, __func__, "cannot read data because start position cannot be mapped" ); } } while (0); |
| 1361 | return false0; |
| 1362 | } |
| 1363 | container = &g_array_index(params->blf_data->log_containers, blf_log_container_t, container_index)(((blf_log_container_t*) (void *) (params->blf_data->log_containers )->data) [(container_index)]); |
| 1364 | } else { |
| 1365 | if (params->blf_data->log_containers->len == 0) { |
| 1366 | /* |
| 1367 | * This is the first (linear) pass, and we haven't yet |
| 1368 | * added any containers. Pull the next log container |
| 1369 | * into memory, so that the array isn't empty. |
| 1370 | */ |
| 1371 | if (!blf_pull_next_logcontainer(params, err, err_info)) { |
| 1372 | return false0; |
| 1373 | } |
| 1374 | } |
| 1375 | |
| 1376 | /* |
| 1377 | * Search backwards in the array, from the last entry to the |
| 1378 | * first, to find the log container in which real_pos is |
| 1379 | * included. |
| 1380 | */ |
| 1381 | container_index = params->blf_data->log_containers->len; |
| 1382 | do { |
| 1383 | container = &g_array_index(params->blf_data->log_containers, blf_log_container_t, --container_index)(((blf_log_container_t*) (void *) (params->blf_data->log_containers )->data) [(--container_index)]); |
| 1384 | } while (real_pos < container->real_start_pos && container_index > 0); /* For some reason we skipped past the correct container */ |
| 1385 | } |
| 1386 | |
| 1387 | while (real_pos < end_pos) { |
| 1388 | |
| 1389 | while (real_pos >= container->real_start_pos + container->real_length) { |
| 1390 | container_index++; |
| 1391 | if (!params->random) { /* First (linear) pass */ |
| 1392 | if (!blf_pull_next_logcontainer(params, err, err_info)) { |
| 1393 | return false0; |
| 1394 | } |
| 1395 | } |
| 1396 | if (container_index >= params->blf_data->log_containers->len) { |
| 1397 | ws_debug("cannot find real_pos in container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1397, __func__, "cannot find real_pos in container"); } } while (0); |
| 1398 | return false0; |
| 1399 | } |
| 1400 | container = &g_array_index(params->blf_data->log_containers, blf_log_container_t, container_index)(((blf_log_container_t*) (void *) (params->blf_data->log_containers )->data) [(container_index)]); |
| 1401 | if (real_pos < container->real_start_pos) { |
| 1402 | ws_debug("cannot find real_pos in container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1402, __func__, "cannot find real_pos in container"); } } while (0); |
| 1403 | return false0; |
| 1404 | } |
| 1405 | } |
| 1406 | |
| 1407 | if (real_pos < container->real_start_pos) { |
| 1408 | ws_debug("cannot find real_pos in container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1408, __func__, "cannot find real_pos in container"); } } while (0); |
| 1409 | return false0; |
| 1410 | } |
| 1411 | |
| 1412 | start_in_buf = real_pos - container->real_start_pos; |
| 1413 | |
| 1414 | if (params->random) { |
| 1415 | if (file_seek(params->fh, container->infile_data_start, SEEK_SET0, err) == -1) { |
| 1416 | return false0; |
| 1417 | } |
| 1418 | if (!blf_pull_logcontainer_into_memory(params, container, err, err_info)) { |
| 1419 | return false0; |
| 1420 | } |
| 1421 | } |
| 1422 | |
| 1423 | data_left = container->real_length - start_in_buf; |
| 1424 | |
| 1425 | if (data_left < (count - copied)) { |
| 1426 | memcpy(buf + copied, container->real_data + start_in_buf, data_left); |
| 1427 | copied += data_left; |
| 1428 | real_pos += data_left; |
| 1429 | } else { |
| 1430 | memcpy(buf + copied, container->real_data + start_in_buf, count - copied); |
| 1431 | return true1; |
| 1432 | } |
| 1433 | |
| 1434 | } |
| 1435 | |
| 1436 | /* |
| 1437 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a |
| 1438 | * malformed file (WTAP_ERR_BAD_FILE)? |
| 1439 | */ |
| 1440 | *err = WTAP_ERR_INTERNAL-21; |
| 1441 | *err_info = ws_strdup("blf_read_bytes_or_eof: ran out of containers")wmem_strdup(((void*)0), "blf_read_bytes_or_eof: ran out of containers" ); |
| 1442 | return false0; |
| 1443 | } |
| 1444 | |
| 1445 | static bool_Bool |
| 1446 | blf_read_bytes(blf_params_t *params, uint64_t real_pos, void *target_buffer, uint64_t count, int *err, char **err_info) { |
| 1447 | if (!blf_read_bytes_or_eof(params, real_pos, target_buffer, count, err, err_info)) { |
| 1448 | if (*err == 0) { |
| 1449 | *err = WTAP_ERR_SHORT_READ-12; |
| 1450 | } |
| 1451 | return false0; |
| 1452 | } |
| 1453 | return true1; |
| 1454 | } |
| 1455 | |
| 1456 | static void |
| 1457 | blf_init_rec(blf_params_t *params, uint32_t flags, uint64_t object_timestamp, int pkt_encap, uint16_t channel, uint16_t hwchannel, unsigned caplen, unsigned len) { |
| 1458 | wtap_setup_packet_rec(params->rec, pkt_encap); |
| 1459 | params->rec->block = wtap_block_create(WTAP_BLOCK_PACKET); |
| 1460 | params->rec->presence_flags = WTAP_HAS_CAP_LEN0x00000002 | WTAP_HAS_INTERFACE_ID0x00000004; |
| 1461 | switch (flags) { |
| 1462 | case BLF_TIMESTAMP_RESOLUTION_10US1: |
| 1463 | params->rec->presence_flags |= WTAP_HAS_TS0x00000001; |
| 1464 | params->rec->tsprec = WTAP_TSPREC_10_USEC5; |
| 1465 | object_timestamp *= 10000; |
| 1466 | object_timestamp += params->blf_data->start_offset_ns; |
| 1467 | break; |
| 1468 | |
| 1469 | case BLF_TIMESTAMP_RESOLUTION_1NS2: |
| 1470 | params->rec->presence_flags |= WTAP_HAS_TS0x00000001; |
| 1471 | params->rec->tsprec = WTAP_TSPREC_NSEC9; |
| 1472 | object_timestamp += params->blf_data->start_offset_ns; |
| 1473 | break; |
| 1474 | |
| 1475 | default: |
| 1476 | /* Metadata objects have both flags and timestamp equal to zero, so that combination is not an error. */ |
| 1477 | if (flags != 0 || object_timestamp != 0) { |
| 1478 | /* |
| 1479 | * XXX - report this as an error? |
| 1480 | * |
| 1481 | * Or provide a mechanism to allow file readers to report |
| 1482 | * a warning (an error that the reader tries to work |
| 1483 | * around and that the caller should report)? |
| 1484 | */ |
| 1485 | ws_debug("Unknown combination of flags and timestamp (0x%x, %" PRIu64 ")", flags, object_timestamp)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1485, __func__, "Unknown combination of flags and timestamp (0x%x, %" "l" "u" ")", flags, object_timestamp); } } while (0); |
| 1486 | object_timestamp = 0; |
| 1487 | } |
| 1488 | break; |
| 1489 | } |
| 1490 | params->rec->ts.secs = object_timestamp / (1000 * 1000 * 1000); |
| 1491 | params->rec->ts.nsecs = object_timestamp % (1000 * 1000 * 1000); |
| 1492 | params->rec->rec_header.packet_header.caplen = caplen; |
| 1493 | params->rec->rec_header.packet_header.len = len; |
| 1494 | |
| 1495 | params->rec->rec_header.packet_header.interface_id = blf_lookup_interface(params, pkt_encap, channel, hwchannel, NULL((void*)0)); |
| 1496 | |
| 1497 | /* TODO: before we had to remove comments and verdict here to not leak memory but APIs have changed ... */ |
| 1498 | } |
| 1499 | |
| 1500 | static void |
| 1501 | blf_add_direction_option(blf_params_t *params, uint16_t direction) { |
| 1502 | uint32_t tmp = PACK_FLAGS_DIRECTION_INBOUND1; /* don't care */ |
| 1503 | |
| 1504 | switch (direction) { |
| 1505 | case BLF_DIR_RX0: |
| 1506 | tmp = PACK_FLAGS_DIRECTION_INBOUND1; /* inbound */ |
| 1507 | break; |
| 1508 | case BLF_DIR_TX1: |
| 1509 | case BLF_DIR_TX_RQ2: |
| 1510 | tmp = PACK_FLAGS_DIRECTION_OUTBOUND2; /* outbound */ |
| 1511 | break; |
| 1512 | } |
| 1513 | |
| 1514 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_FLAGS2, tmp); |
| 1515 | } |
| 1516 | |
| 1517 | static bool_Bool |
| 1518 | blf_read_log_object_header(blf_params_t *params, int *err, char **err_info, int64_t header2_start, int64_t data_start, blf_logobjectheader_t *logheader) { |
| 1519 | if (data_start - header2_start < (int64_t)sizeof(blf_logobjectheader_t)) { |
| 1520 | *err = WTAP_ERR_BAD_FILE-13; |
| 1521 | *err_info = ws_strdup("blf: not enough bytes for log object header")wmem_strdup(((void*)0), "blf: not enough bytes for log object header" ); |
| 1522 | ws_debug("not enough bytes for timestamp header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1522, __func__, "not enough bytes for timestamp header"); } } while (0); |
| 1523 | return false0; |
| 1524 | } |
| 1525 | |
| 1526 | if (!blf_read_bytes_or_eof(params, header2_start, logheader, sizeof(*logheader), err, err_info)) { |
| 1527 | ws_debug("not enough bytes for logheader")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1527, __func__, "not enough bytes for logheader"); } } while (0); |
| 1528 | return false0; |
| 1529 | } |
| 1530 | fix_endianness_blf_logobjectheader(logheader); |
| 1531 | return true1; |
| 1532 | } |
| 1533 | |
| 1534 | static bool_Bool |
| 1535 | blf_read_log_object_header2(blf_params_t *params, int *err, char **err_info, int64_t header2_start, int64_t data_start, blf_logobjectheader2_t *logheader) { |
| 1536 | if (data_start - header2_start < (int64_t)sizeof(blf_logobjectheader2_t)) { |
| 1537 | *err = WTAP_ERR_BAD_FILE-13; |
| 1538 | *err_info = ws_strdup("blf: not enough bytes for log object header")wmem_strdup(((void*)0), "blf: not enough bytes for log object header" ); |
| 1539 | ws_debug("not enough bytes for timestamp header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1539, __func__, "not enough bytes for timestamp header"); } } while (0); |
| 1540 | return false0; |
| 1541 | } |
| 1542 | |
| 1543 | if (!blf_read_bytes_or_eof(params, header2_start, logheader, sizeof(*logheader), err, err_info)) { |
| 1544 | ws_debug("not enough bytes for logheader")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1544, __func__, "not enough bytes for logheader"); } } while (0); |
| 1545 | return false0; |
| 1546 | } |
| 1547 | fix_endianness_blf_logobjectheader2(logheader); |
| 1548 | return true1; |
| 1549 | } |
| 1550 | |
| 1551 | static bool_Bool |
| 1552 | blf_read_log_object_header3(blf_params_t *params, int *err, char **err_info, int64_t header2_start, int64_t data_start, blf_logobjectheader3_t *logheader) { |
| 1553 | if (data_start - header2_start < (int64_t)sizeof(blf_logobjectheader3_t)) { |
| 1554 | *err = WTAP_ERR_BAD_FILE-13; |
| 1555 | *err_info = ws_strdup("blf: not enough bytes for log object header")wmem_strdup(((void*)0), "blf: not enough bytes for log object header" ); |
| 1556 | ws_debug("not enough bytes for timestamp header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1556, __func__, "not enough bytes for timestamp header"); } } while (0); |
| 1557 | return false0; |
| 1558 | } |
| 1559 | |
| 1560 | if (!blf_read_bytes_or_eof(params, header2_start, logheader, sizeof(*logheader), err, err_info)) { |
| 1561 | ws_debug("not enough bytes for logheader")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1561, __func__, "not enough bytes for logheader"); } } while (0); |
| 1562 | return false0; |
| 1563 | } |
| 1564 | fix_endianness_blf_logobjectheader3(logheader); |
| 1565 | return true1; |
| 1566 | } |
| 1567 | |
| 1568 | static bool_Bool |
| 1569 | blf_read_ethernetframe(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 1570 | blf_ethernetframeheader_t ethheader; |
| 1571 | uint8_t tmpbuf[18]; |
| 1572 | unsigned caplen, len; |
| 1573 | |
| 1574 | if (object_length < (data_start - block_start) + (int) sizeof(blf_ethernetframeheader_t)) { |
| 1575 | *err = WTAP_ERR_BAD_FILE-13; |
| 1576 | *err_info = ws_strdup("blf: ETHERNET_FRAME: not enough bytes for ethernet frame header in object")wmem_strdup(((void*)0), "blf: ETHERNET_FRAME: not enough bytes for ethernet frame header in object" ); |
| 1577 | ws_debug("not enough bytes for ethernet frame header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1577, __func__, "not enough bytes for ethernet frame header in object" ); } } while (0); |
| 1578 | return false0; |
| 1579 | } |
| 1580 | |
| 1581 | if (!blf_read_bytes(params, data_start, ðheader, sizeof(ethheader), err, err_info)) { |
| 1582 | ws_debug("not enough bytes for ethernet frame header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1582, __func__, "not enough bytes for ethernet frame header in file" ); } } while (0); |
| 1583 | return false0; |
| 1584 | } |
| 1585 | fix_endianness_blf_ethernetframeheader(ðheader); |
| 1586 | |
| 1587 | uint16_t payload_length = ethheader.payloadlength; |
| 1588 | if (payload_length > object_length - (data_start - block_start) - sizeof(blf_ethernetframeheader_t)) { |
| 1589 | ws_debug("shortening payload_length because not enough bytes for frame")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1589, __func__, "shortening payload_length because not enough bytes for frame" ); } } while (0); |
| 1590 | payload_length = (uint16_t)(object_length - (data_start - block_start) - sizeof(blf_ethernetframeheader_t)); |
| 1591 | } |
| 1592 | |
| 1593 | /* |
| 1594 | * BLF breaks up and reorders the Ethernet header and VLAN tag fields. |
| 1595 | * This is a really bad design and makes this format one of the worst. |
| 1596 | * If you want a fast format that keeps your data intact, avoid this format! |
| 1597 | * So, lets hope we can reconstruct the original packet successfully. |
| 1598 | */ |
| 1599 | |
| 1600 | tmpbuf[0] = ethheader.dst_addr[0]; |
| 1601 | tmpbuf[1] = ethheader.dst_addr[1]; |
| 1602 | tmpbuf[2] = ethheader.dst_addr[2]; |
| 1603 | tmpbuf[3] = ethheader.dst_addr[3]; |
| 1604 | tmpbuf[4] = ethheader.dst_addr[4]; |
| 1605 | tmpbuf[5] = ethheader.dst_addr[5]; |
| 1606 | |
| 1607 | tmpbuf[6] = ethheader.src_addr[0]; |
| 1608 | tmpbuf[7] = ethheader.src_addr[1]; |
| 1609 | tmpbuf[8] = ethheader.src_addr[2]; |
| 1610 | tmpbuf[9] = ethheader.src_addr[3]; |
| 1611 | tmpbuf[10] = ethheader.src_addr[4]; |
| 1612 | tmpbuf[11] = ethheader.src_addr[5]; |
| 1613 | |
| 1614 | if (ethheader.tpid != 0) { /* A valid VLAN tag can have a TCI of 0. */ |
| 1615 | phtonu16(tmpbuf + 12, ethheader.tpid); |
| 1616 | phtonu16(tmpbuf + 14, ethheader.tci); |
| 1617 | phtonu16(tmpbuf + 16, ethheader.ethtype); |
| 1618 | ws_buffer_assure_space(¶ms->rec->data, (size_t)18 + payload_length); |
| 1619 | ws_buffer_append(¶ms->rec->data, tmpbuf, (size_t)18); |
| 1620 | caplen = ((uint32_t)18 + payload_length); |
| 1621 | len = ((uint32_t)18 + payload_length); |
| 1622 | } else { |
| 1623 | phtonu16(tmpbuf + 12, ethheader.ethtype); |
| 1624 | ws_buffer_assure_space(¶ms->rec->data, (size_t)14 + payload_length); |
| 1625 | ws_buffer_append(¶ms->rec->data, tmpbuf, (size_t)14); |
| 1626 | caplen = ((uint32_t)14 + payload_length); |
| 1627 | len = ((uint32_t)14 + payload_length); |
| 1628 | } |
| 1629 | |
| 1630 | if (!blf_read_bytes(params, data_start + sizeof(blf_ethernetframeheader_t), ws_buffer_end_ptr(¶ms->rec->data), payload_length, err, err_info)) { |
| 1631 | ws_debug("copying ethernet frame failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1631, __func__, "copying ethernet frame failed"); } } while (0); |
| 1632 | return false0; |
| 1633 | } |
| 1634 | ws_buffer_increase_length(¶ms->rec->data, payload_length); |
| 1635 | |
| 1636 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, UINT16_MAX(65535), caplen, len); |
| 1637 | blf_add_direction_option(params, ethheader.direction); |
| 1638 | |
| 1639 | return true1; |
| 1640 | } |
| 1641 | |
| 1642 | static bool_Bool |
| 1643 | blf_read_ethernetframe_ext(blf_params_t *params, int *err, char **err_info, int64_t block_start,int64_t data_start, |
| 1644 | int64_t object_length, uint32_t flags, uint64_t object_timestamp, bool_Bool error) { |
| 1645 | blf_ethernetframeheader_ex_t ethheader; |
| 1646 | |
| 1647 | if (object_length < (data_start - block_start) + (int) sizeof(blf_ethernetframeheader_ex_t)) { |
| 1648 | *err = WTAP_ERR_BAD_FILE-13; |
| 1649 | *err_info = ws_strdup_printf("blf: %s: not enough bytes for ethernet frame header in object", error ? "ETHERNET_ERROR_EX" : "ETHERNET_FRAME_EX")wmem_strdup_printf(((void*)0), "blf: %s: not enough bytes for ethernet frame header in object" , error ? "ETHERNET_ERROR_EX" : "ETHERNET_FRAME_EX"); |
| 1650 | ws_debug("not enough bytes for ethernet frame header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1650, __func__, "not enough bytes for ethernet frame header in object" ); } } while (0); |
| 1651 | return false0; |
| 1652 | } |
| 1653 | |
| 1654 | if (!blf_read_bytes(params, data_start, ðheader, sizeof(blf_ethernetframeheader_ex_t), err, err_info)) { |
| 1655 | ws_debug("not enough bytes for ethernet frame header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1655, __func__, "not enough bytes for ethernet frame header in file" ); } } while (0); |
| 1656 | return false0; |
| 1657 | } |
| 1658 | fix_endianness_blf_ethernetframeheader_ex(ðheader); |
| 1659 | |
| 1660 | if (object_length - (data_start - block_start) - sizeof(blf_ethernetframeheader_ex_t) < ethheader.frame_length) { |
| 1661 | *err = WTAP_ERR_BAD_FILE-13; |
| 1662 | *err_info = ws_strdup_printf("blf: %s: frame too short", error ? "ETHERNET_ERROR_EX" : "ETHERNET_FRAME_EX")wmem_strdup_printf(((void*)0), "blf: %s: frame too short", error ? "ETHERNET_ERROR_EX" : "ETHERNET_FRAME_EX"); |
| 1663 | ws_debug("frame too short")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1663, __func__, "frame too short"); } } while (0); |
| 1664 | return false0; |
| 1665 | } |
| 1666 | |
| 1667 | ws_buffer_assure_space(¶ms->rec->data, ethheader.frame_length); |
| 1668 | |
| 1669 | if (!blf_read_bytes(params, data_start + sizeof(blf_ethernetframeheader_ex_t), ws_buffer_end_ptr(¶ms->rec->data), ethheader.frame_length, err, err_info)) { |
| 1670 | ws_debug("copying ethernet frame failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1670, __func__, "copying ethernet frame failed"); } } while (0); |
| 1671 | return false0; |
| 1672 | } |
| 1673 | ws_buffer_increase_length(¶ms->rec->data, ethheader.frame_length); |
| 1674 | |
| 1675 | if (ethheader.flags & BLF_ETHERNET_EX_HARDWARECHANNEL0x0002) { |
| 1676 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, ethheader.hw_channel, ethheader.frame_length, ethheader.frame_length); |
| 1677 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_QUEUE6, ethheader.hw_channel); |
| 1678 | } else { |
| 1679 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, UINT16_MAX(65535), ethheader.frame_length, ethheader.frame_length); |
| 1680 | } |
| 1681 | |
| 1682 | blf_add_direction_option(params, ethheader.direction); |
| 1683 | |
| 1684 | return true1; |
| 1685 | } |
| 1686 | |
| 1687 | static bool_Bool |
| 1688 | blf_read_ethernet_rxerror(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 1689 | blf_ethernet_rxerror_t ethheader; |
| 1690 | |
| 1691 | if (object_length < (data_start - block_start) + (int)sizeof(blf_ethernet_rxerror_t)) { |
| 1692 | *err = WTAP_ERR_BAD_FILE-13; |
| 1693 | *err_info = ws_strdup("blf: ETHERNET_RXERROR: not enough bytes for ethernet frame header in object")wmem_strdup(((void*)0), "blf: ETHERNET_RXERROR: not enough bytes for ethernet frame header in object" ); |
| 1694 | ws_debug("not enough bytes for ethernet rx error header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1694, __func__, "not enough bytes for ethernet rx error header in object" ); } } while (0); |
| 1695 | return false0; |
| 1696 | } |
| 1697 | |
| 1698 | if (!blf_read_bytes(params, data_start, ðheader, sizeof(blf_ethernet_rxerror_t), err, err_info)) { |
| 1699 | ws_debug("not enough bytes for ethernet rx error header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1699, __func__, "not enough bytes for ethernet rx error header in file" ); } } while (0); |
| 1700 | return false0; |
| 1701 | } |
| 1702 | fix_endianness_blf_ethernet_rxerror(ðheader); |
| 1703 | |
| 1704 | if (object_length - (data_start - block_start) < ethheader.frame_length) { |
| 1705 | *err = WTAP_ERR_BAD_FILE-13; |
| 1706 | *err_info = ws_strdup("blf: ETHERNET_RXERROR: frame too short")wmem_strdup(((void*)0), "blf: ETHERNET_RXERROR: frame too short" ); |
| 1707 | ws_debug("frame too short")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1707, __func__, "frame too short"); } } while (0); |
| 1708 | return false0; |
| 1709 | } |
| 1710 | |
| 1711 | ws_buffer_assure_space(¶ms->rec->data, ethheader.frame_length); |
| 1712 | |
| 1713 | if (!blf_read_bytes(params, data_start + sizeof(blf_ethernet_rxerror_t), ws_buffer_end_ptr(¶ms->rec->data), ethheader.frame_length, err, err_info)) { |
| 1714 | ws_debug("copying ethernet rx error failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1714, __func__, "copying ethernet rx error failed"); } } while (0); |
| 1715 | return false0; |
| 1716 | } |
| 1717 | ws_buffer_increase_length(¶ms->rec->data, ethheader.frame_length); |
| 1718 | |
| 1719 | if (ethheader.hw_channel != 0) { /* In this object type, a value of 0 is considered invalid. */ |
| 1720 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, ethheader.hw_channel, ethheader.frame_length, ethheader.frame_length); |
| 1721 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_QUEUE6, ethheader.hw_channel); |
| 1722 | } else { |
| 1723 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, UINT16_MAX(65535), ethheader.frame_length, ethheader.frame_length); |
| 1724 | } |
| 1725 | blf_add_direction_option(params, ethheader.direction); |
| 1726 | |
| 1727 | return true1; |
| 1728 | } |
| 1729 | |
| 1730 | /* |
| 1731 | * XXX - provide radio information to our caller in the pseudo-header. |
| 1732 | */ |
| 1733 | static bool_Bool |
| 1734 | blf_read_wlanframe(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 1735 | blf_wlanframeheader_t wlanheader; |
| 1736 | |
| 1737 | if (object_length < (data_start - block_start) + (int)sizeof(blf_wlanframeheader_t)) { |
| 1738 | *err = WTAP_ERR_BAD_FILE-13; |
| 1739 | *err_info = ws_strdup("blf: WLAN_FRAME: not enough bytes for wlan frame header in object")wmem_strdup(((void*)0), "blf: WLAN_FRAME: not enough bytes for wlan frame header in object" ); |
| 1740 | ws_debug("not enough bytes for wlan frame header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1740, __func__, "not enough bytes for wlan frame header in object" ); } } while (0); |
| 1741 | return false0; |
| 1742 | } |
| 1743 | |
| 1744 | if (!blf_read_bytes(params, data_start, &wlanheader, sizeof(blf_wlanframeheader_t), err, err_info)) { |
| 1745 | ws_debug("not enough bytes for wlan frame header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1745, __func__, "not enough bytes for wlan frame header in file" ); } } while (0); |
| 1746 | return false0; |
| 1747 | } |
| 1748 | fix_endianness_blf_wlanframeheader(&wlanheader); |
| 1749 | |
| 1750 | if (object_length - (data_start - block_start) - sizeof(blf_wlanframeheader_t) < wlanheader.frame_length) { |
| 1751 | *err = WTAP_ERR_BAD_FILE-13; |
| 1752 | *err_info = ws_strdup("blf: WLAN_FRAME: frame too short")wmem_strdup(((void*)0), "blf: WLAN_FRAME: frame too short"); |
| 1753 | ws_debug("frame too short")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1753, __func__, "frame too short"); } } while (0); |
| 1754 | return false0; |
| 1755 | } |
| 1756 | |
| 1757 | ws_buffer_assure_space(¶ms->rec->data, wlanheader.frame_length); |
| 1758 | |
| 1759 | if (!blf_read_bytes(params, data_start + sizeof(blf_wlanframeheader_t), ws_buffer_end_ptr(¶ms->rec->data), wlanheader.frame_length, err, err_info)) { |
| 1760 | ws_debug("copying wlan frame failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1760, __func__, "copying wlan frame failed"); } } while (0); |
| 1761 | return false0; |
| 1762 | } |
| 1763 | ws_buffer_increase_length(¶ms->rec->data, wlanheader.frame_length); |
| 1764 | |
| 1765 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_IEEE_802_1120, wlanheader.channel, UINT16_MAX(65535), wlanheader.frame_length, wlanheader.frame_length); |
| 1766 | blf_add_direction_option(params, wlanheader.direction); |
| 1767 | |
| 1768 | return true1; |
| 1769 | } |
| 1770 | |
| 1771 | static const uint8_t can_dlc_to_length[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 8, 8, 8, 8, 8, 8 }; |
| 1772 | static const uint8_t canfd_dlc_to_length[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 12, 16, 20, 24, 32, 48, 64 }; |
| 1773 | |
| 1774 | static bool_Bool |
| 1775 | blf_can_fill_buf_and_rec(blf_params_t *params, int *err, char **err_info, uint32_t canid, uint8_t payload_length, uint8_t payload_length_valid, uint64_t start_position, |
| 1776 | uint32_t flags, uint64_t object_timestamp, uint16_t channel, uint8_t canfd_flags) { |
| 1777 | uint8_t tmpbuf[8]; |
| 1778 | unsigned caplen, len; |
| 1779 | |
| 1780 | phtonu32(tmpbuf, canid); |
| 1781 | tmpbuf[4] = payload_length; |
| 1782 | tmpbuf[5] = canfd_flags; |
| 1783 | tmpbuf[6] = 0; |
| 1784 | tmpbuf[7] = 0; |
| 1785 | |
| 1786 | ws_buffer_assure_space(¶ms->rec->data, sizeof(tmpbuf) + payload_length_valid); |
| 1787 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 1788 | caplen = sizeof(tmpbuf) + payload_length_valid; |
| 1789 | len = sizeof(tmpbuf) + payload_length; |
| 1790 | |
| 1791 | if (payload_length_valid > 0 && !blf_read_bytes(params, start_position, ws_buffer_end_ptr(¶ms->rec->data), payload_length_valid, err, err_info)) { |
| 1792 | ws_debug("copying can payload failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1792, __func__, "copying can payload failed"); } } while (0 ); |
| 1793 | return false0; |
| 1794 | } |
| 1795 | ws_buffer_increase_length(¶ms->rec->data, payload_length_valid); |
| 1796 | |
| 1797 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, channel, UINT16_MAX(65535), caplen, len); |
| 1798 | |
| 1799 | return true1; |
| 1800 | } |
| 1801 | |
| 1802 | static bool_Bool |
| 1803 | blf_read_canmessage(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, bool_Bool can_message2) { |
| 1804 | blf_canmessage_t canheader; |
| 1805 | blf_canmessage2_trailer_t can2trailer; |
| 1806 | |
| 1807 | uint32_t canid; |
| 1808 | uint8_t payload_length; |
| 1809 | |
| 1810 | /* The canheader is followed by 8 bytes, which need to be present! */ |
| 1811 | if (object_length < (data_start - block_start) + (int) sizeof(canheader) + 8) { |
| 1812 | *err = WTAP_ERR_BAD_FILE-13; |
| 1813 | *err_info = ws_strdup_printf("blf: %s: not enough bytes for can header in object",wmem_strdup_printf(((void*)0), "blf: %s: not enough bytes for can header in object" , can_message2 ? "CAN_MESSAGE2" : "CAN_MESSAGE") |
| 1814 | can_message2 ? "CAN_MESSAGE2" : "CAN_MESSAGE")wmem_strdup_printf(((void*)0), "blf: %s: not enough bytes for can header in object" , can_message2 ? "CAN_MESSAGE2" : "CAN_MESSAGE"); |
| 1815 | ws_debug("not enough bytes for can header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1815, __func__, "not enough bytes for can header in object" ); } } while (0); |
| 1816 | return false0; |
| 1817 | } |
| 1818 | |
| 1819 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) { |
| 1820 | ws_debug("not enough bytes for can header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1820, __func__, "not enough bytes for can header in file"); } } while (0); |
| 1821 | return false0; |
| 1822 | } |
| 1823 | fix_endianness_blf_canmessage(&canheader); |
| 1824 | |
| 1825 | canheader.dlc &= 0x0f; |
| 1826 | |
| 1827 | payload_length = canheader.dlc; |
| 1828 | if (payload_length > 8) { |
| 1829 | ws_debug("regular CAN tries more than 8 bytes? Cutting to 8.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1829, __func__, "regular CAN tries more than 8 bytes? Cutting to 8." ); } } while (0); |
| 1830 | payload_length = 8; |
| 1831 | } |
| 1832 | |
| 1833 | canid = canheader.id; |
| 1834 | |
| 1835 | if ((canheader.flags & BLF_CANMESSAGE_FLAG_RTR0x80) == BLF_CANMESSAGE_FLAG_RTR0x80) { |
| 1836 | canid |= CAN_RTR_FLAG0x40000000; |
| 1837 | payload_length = 0; |
| 1838 | } |
| 1839 | |
| 1840 | if (!blf_can_fill_buf_and_rec(params, err, err_info, canid, payload_length, payload_length, data_start + sizeof(canheader), flags, object_timestamp, canheader.channel, 0)) { |
| 1841 | return false0; |
| 1842 | } |
| 1843 | |
| 1844 | /* actually, we do not really need the data, right now.... */ |
| 1845 | if (can_message2) { |
| 1846 | if (object_length < (data_start - block_start) + (int) sizeof(canheader) + 8 + (int) sizeof(can2trailer)) { |
| 1847 | *err = WTAP_ERR_BAD_FILE-13; |
| 1848 | *err_info = ws_strdup("blf: CAN_MESSAGE2: not enough bytes for can message 2 trailer")wmem_strdup(((void*)0), "blf: CAN_MESSAGE2: not enough bytes for can message 2 trailer" ); |
| 1849 | ws_debug("not enough bytes for can message 2 trailer")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1849, __func__, "not enough bytes for can message 2 trailer" ); } } while (0); |
| 1850 | return false0; |
| 1851 | } |
| 1852 | if (!blf_read_bytes(params, data_start + sizeof(canheader) + 8, &can2trailer, sizeof(can2trailer), err, err_info)) { |
| 1853 | ws_debug("not enough bytes for can message 2 trailer in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1853, __func__, "not enough bytes for can message 2 trailer in file" ); } } while (0); |
| 1854 | return false0; |
| 1855 | } |
| 1856 | fix_endianness_blf_canmessage2_trailer(&can2trailer); |
| 1857 | } |
| 1858 | |
| 1859 | blf_add_direction_option(params, (canheader.flags & BLF_CANMESSAGE_FLAG_TX0x01) == BLF_CANMESSAGE_FLAG_TX0x01 ? BLF_DIR_TX1: BLF_DIR_RX0); |
| 1860 | |
| 1861 | return true1; |
| 1862 | } |
| 1863 | |
| 1864 | static bool_Bool |
| 1865 | blf_read_canfdmessage(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 1866 | blf_canfdmessage_t canheader; |
| 1867 | |
| 1868 | bool_Bool canfd; |
| 1869 | uint32_t canid; |
| 1870 | uint8_t payload_length; |
| 1871 | uint8_t payload_length_valid; |
| 1872 | uint8_t canfd_flags; |
| 1873 | |
| 1874 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) { |
| 1875 | *err = WTAP_ERR_BAD_FILE-13; |
| 1876 | *err_info = ws_strdup("blf: CAN_FD_MESSAGE: not enough bytes for canfd header in object")wmem_strdup(((void*)0), "blf: CAN_FD_MESSAGE: not enough bytes for canfd header in object" ); |
| 1877 | ws_debug("not enough bytes for canfd header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1877, __func__, "not enough bytes for canfd header in object" ); } } while (0); |
| 1878 | return false0; |
| 1879 | } |
| 1880 | |
| 1881 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) { |
| 1882 | ws_debug("not enough bytes for canfd header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1882, __func__, "not enough bytes for canfd header in file" ); } } while (0); |
| 1883 | return false0; |
| 1884 | } |
| 1885 | fix_endianness_blf_canfdmessage(&canheader); |
| 1886 | |
| 1887 | canheader.dlc &= 0x0f; |
| 1888 | |
| 1889 | canfd = (canheader.canfdflags & BLF_CANFDMESSAGE_CANFDFLAG_EDL0x01) == BLF_CANFDMESSAGE_CANFDFLAG_EDL0x01; |
| 1890 | if (canfd) { |
| 1891 | payload_length = canfd_dlc_to_length[canheader.dlc]; |
| 1892 | canfd_flags = (canheader.canfdflags & BLF_CANFDMESSAGE_CANFDFLAG_EDL0x01) << 2 | (canheader.canfdflags & BLF_CANFDMESSAGE_CANFDFLAG_ESI0x04) >> 1 | (canheader.canfdflags & BLF_CANFDMESSAGE_CANFDFLAG_BRS0x02) >> 1; |
| 1893 | } else { |
| 1894 | if (canheader.dlc > 8) { |
| 1895 | ws_debug("regular CAN tries more than 8 bytes?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1895, __func__, "regular CAN tries more than 8 bytes?"); } } while (0); |
| 1896 | } |
| 1897 | payload_length = can_dlc_to_length[canheader.dlc]; |
| 1898 | canfd_flags = 0; |
| 1899 | } |
| 1900 | |
| 1901 | if (payload_length > canheader.validDataBytes) { |
| 1902 | ws_debug("shortening canfd payload because valid data bytes shorter.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1902, __func__, "shortening canfd payload because valid data bytes shorter." ); } } while (0); |
| 1903 | payload_length = canheader.validDataBytes; |
| 1904 | } |
| 1905 | |
| 1906 | canid = canheader.id; |
| 1907 | |
| 1908 | if (!canfd && (canheader.flags & BLF_CANMESSAGE_FLAG_RTR0x80) == BLF_CANMESSAGE_FLAG_RTR0x80) { |
| 1909 | canid |= CAN_RTR_FLAG0x40000000; |
| 1910 | payload_length = 0; /* Should already be zero from validDataBytes */ |
| 1911 | } |
| 1912 | |
| 1913 | payload_length_valid = payload_length; |
| 1914 | |
| 1915 | if (payload_length_valid > object_length - (data_start - block_start) - sizeof(canheader)) { |
| 1916 | ws_debug("shortening can payload because buffer is too short.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1916, __func__, "shortening can payload because buffer is too short." ); } } while (0); |
| 1917 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start) - sizeof(canheader)); |
| 1918 | } |
| 1919 | |
| 1920 | if (!blf_can_fill_buf_and_rec(params, err, err_info, canid, payload_length, payload_length_valid, data_start + sizeof(canheader), flags, object_timestamp, canheader.channel, canfd_flags)) { |
| 1921 | return false0; |
| 1922 | } |
| 1923 | |
| 1924 | blf_add_direction_option(params, (canheader.flags & BLF_CANMESSAGE_FLAG_TX0x01) == BLF_CANMESSAGE_FLAG_TX0x01 ? BLF_DIR_TX1 : BLF_DIR_RX0); |
| 1925 | |
| 1926 | return true1; |
| 1927 | } |
| 1928 | |
| 1929 | static bool_Bool |
| 1930 | blf_read_canfdmessage64(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 1931 | blf_canfdmessage64_t canheader; |
| 1932 | |
| 1933 | bool_Bool canfd; |
| 1934 | uint32_t canid; |
| 1935 | uint8_t payload_length; |
| 1936 | uint8_t payload_length_valid; |
| 1937 | uint8_t canfd_flags; |
| 1938 | |
| 1939 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) { |
| 1940 | *err = WTAP_ERR_BAD_FILE-13; |
| 1941 | *err_info = ws_strdup("blf: CAN_FD_MESSAGE_64: not enough bytes for canfd header in object")wmem_strdup(((void*)0), "blf: CAN_FD_MESSAGE_64: not enough bytes for canfd header in object" ); |
| 1942 | ws_debug("not enough bytes for canfd header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1942, __func__, "not enough bytes for canfd header in object" ); } } while (0); |
| 1943 | return false0; |
| 1944 | } |
| 1945 | |
| 1946 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) { |
| 1947 | ws_debug("not enough bytes for canfd header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1947, __func__, "not enough bytes for canfd header in file" ); } } while (0); |
| 1948 | return false0; |
| 1949 | } |
| 1950 | fix_endianness_blf_canfdmessage64(&canheader); |
| 1951 | |
| 1952 | canheader.dlc &= 0x0f; |
| 1953 | |
| 1954 | canfd = (canheader.flags & BLF_CANFDMESSAGE64_FLAG_EDL0x001000) == BLF_CANFDMESSAGE64_FLAG_EDL0x001000; |
| 1955 | if (canfd) { |
| 1956 | payload_length = canfd_dlc_to_length[canheader.dlc]; |
| 1957 | canfd_flags = (canheader.flags & BLF_CANFDMESSAGE64_FLAG_EDL0x001000) >> 10 | (canheader.flags & BLF_CANFDMESSAGE64_FLAG_ESI0x004000) >> 13 | (canheader.flags & BLF_CANFDMESSAGE64_FLAG_BRS0x002000) >> 13; |
| 1958 | } else { |
| 1959 | if (canheader.dlc > 8) { |
| 1960 | ws_debug("regular CAN tries more than 8 bytes?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1960, __func__, "regular CAN tries more than 8 bytes?"); } } while (0); |
| 1961 | } |
| 1962 | payload_length = can_dlc_to_length[canheader.dlc]; |
| 1963 | canfd_flags = 0; |
| 1964 | } |
| 1965 | |
| 1966 | if (payload_length > canheader.validDataBytes) { |
| 1967 | ws_debug("shortening canfd payload because valid data bytes shorter.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1967, __func__, "shortening canfd payload because valid data bytes shorter." ); } } while (0); |
| 1968 | payload_length = canheader.validDataBytes; |
| 1969 | } |
| 1970 | |
| 1971 | canid = canheader.id; |
| 1972 | |
| 1973 | if (!canfd && (canheader.flags & BLF_CANFDMESSAGE64_FLAG_REMOTE_FRAME0x000010) == BLF_CANFDMESSAGE64_FLAG_REMOTE_FRAME0x000010) { |
| 1974 | canid |= CAN_RTR_FLAG0x40000000; |
| 1975 | payload_length = 0; /* Should already be zero from validDataBytes */ |
| 1976 | } |
| 1977 | |
| 1978 | payload_length_valid = payload_length; |
| 1979 | |
| 1980 | if (payload_length_valid > object_length - (data_start - block_start) - sizeof(canheader)) { |
| 1981 | ws_debug("shortening can payload because buffer is too short.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1981, __func__, "shortening can payload because buffer is too short." ); } } while (0); |
| 1982 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start) - sizeof(canheader)); |
| 1983 | } |
| 1984 | |
| 1985 | if (!blf_can_fill_buf_and_rec(params, err, err_info, canid, payload_length, payload_length_valid, data_start + sizeof(canheader), flags, object_timestamp, canheader.channel, canfd_flags)) { |
| 1986 | return false0; |
| 1987 | } |
| 1988 | |
| 1989 | blf_add_direction_option(params, canheader.dir); |
| 1990 | |
| 1991 | return true1; |
| 1992 | } |
| 1993 | |
| 1994 | static bool_Bool |
| 1995 | blf_read_canerror(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, bool_Bool overload) { |
| 1996 | blf_canerror_t canheader; |
| 1997 | uint32_t canid; |
| 1998 | uint8_t payload_length; |
| 1999 | uint8_t tmpbuf[16] = {0}; |
| 2000 | |
| 2001 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) { |
| 2002 | *err = WTAP_ERR_BAD_FILE-13; |
| 2003 | *err_info = ws_strdup("blf: CAN_ERROR: not enough bytes for canerror header in object")wmem_strdup(((void*)0), "blf: CAN_ERROR: not enough bytes for canerror header in object" ); |
| 2004 | ws_debug("not enough bytes for canerror header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2004, __func__, "not enough bytes for canerror header in object" ); } } while (0); |
| 2005 | return false0; |
| 2006 | } |
| 2007 | |
| 2008 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) { |
| 2009 | ws_debug("not enough bytes for canerror header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2009, __func__, "not enough bytes for canerror header in file" ); } } while (0); |
| 2010 | return false0; |
| 2011 | } |
| 2012 | fix_endianness_blf_canerror(&canheader); |
| 2013 | |
| 2014 | // Set CAN_ERR_FLAG in unused bits of Can ID to indicate error in socketcan |
| 2015 | canid = CAN_ERR_FLAG0x20000000; |
| 2016 | |
| 2017 | // Fixed packet data length for socketcan error messages |
| 2018 | payload_length = CAN_ERR_DLC8; |
| 2019 | |
| 2020 | if (overload) { |
| 2021 | tmpbuf[10] = CAN_ERR_PROT_OVERLOAD0x20; |
| 2022 | canid |= CAN_ERR_PROT0x00000008U; |
| 2023 | } |
| 2024 | |
| 2025 | phtonu32(tmpbuf, canid); |
| 2026 | tmpbuf[4] = payload_length; |
| 2027 | |
| 2028 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2029 | |
| 2030 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, canheader.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); |
| 2031 | return true1; |
| 2032 | } |
| 2033 | |
| 2034 | static bool_Bool |
| 2035 | blf_read_canerrorext(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 2036 | blf_canerrorext_t canheader; |
| 2037 | |
| 2038 | bool_Bool err_ack = false0; |
| 2039 | bool_Bool err_prot = false0; |
| 2040 | bool_Bool direction_tx; |
| 2041 | uint32_t canid; |
| 2042 | uint8_t payload_length; |
| 2043 | uint8_t tmpbuf[16] = {0}; |
| 2044 | |
| 2045 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) { |
| 2046 | *err = WTAP_ERR_BAD_FILE-13; |
| 2047 | *err_info = ws_strdup("blf: CAN_ERROR_EXT: not enough bytes for canerrorext header in object")wmem_strdup(((void*)0), "blf: CAN_ERROR_EXT: not enough bytes for canerrorext header in object" ); |
| 2048 | ws_debug("not enough bytes for canerrorext header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2048, __func__, "not enough bytes for canerrorext header in object" ); } } while (0); |
| 2049 | return false0; |
| 2050 | } |
| 2051 | |
| 2052 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) { |
| 2053 | ws_debug("not enough bytes for canerrorext header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2053, __func__, "not enough bytes for canerrorext header in file" ); } } while (0); |
| 2054 | return false0; |
| 2055 | } |
| 2056 | fix_endianness_blf_canerrorext(&canheader); |
| 2057 | |
| 2058 | if (canheader.flags & BLF_CANERROREXT_FLAG_CANCORE0x02) { |
| 2059 | // Map Vector Can Core error codes to compareable socketcan errors |
| 2060 | switch ((canheader.errorCodeExt >> 6) & 0x3f) { |
| 2061 | case BLF_CANERROREXT_ECC_MEANING_BIT_ERROR0x0: |
| 2062 | err_prot = true1; |
| 2063 | tmpbuf[10] = CAN_ERR_PROT_BIT0x01; |
| 2064 | break; |
| 2065 | case BLF_CANERROREXT_ECC_MEANING_FORM_ERROR0x1: |
| 2066 | err_prot = true1; |
| 2067 | tmpbuf[10] = CAN_ERR_PROT_FORM0x02; |
| 2068 | break; |
| 2069 | case BLF_CANERROREXT_ECC_MEANING_STUFF_ERROR0x2: |
| 2070 | err_prot = true1; |
| 2071 | tmpbuf[10] = CAN_ERR_PROT_STUFF0x04; |
| 2072 | break; |
| 2073 | case BLF_CANERROREXT_ECC_MEANING_CRC_ERROR0x4: |
| 2074 | err_prot = true1; |
| 2075 | tmpbuf[11] = CAN_ERR_PROT_LOC_CRC_SEQ0x08; |
| 2076 | break; |
| 2077 | case BLF_CANERROREXT_ECC_MEANING_NACK_ERROR0x7: |
| 2078 | err_ack = true1; |
| 2079 | tmpbuf[11] = CAN_ERR_PROT_LOC_ACK0x19; |
| 2080 | break; |
| 2081 | case BLF_CANERROREXT_ECC_MEANING_OVERLOAD0x8: |
| 2082 | err_prot = true1; |
| 2083 | tmpbuf[10] = CAN_ERR_PROT_OVERLOAD0x20; |
| 2084 | break; |
| 2085 | default: |
| 2086 | err_prot = true1; |
| 2087 | tmpbuf[10] = CAN_ERR_PROT_UNSPEC0x00; |
| 2088 | break; |
| 2089 | } |
| 2090 | err_ack = err_ack || (canheader.errorCodeExt & BLF_CANERROREXT_EXTECC_NOT_ACK0x2000) == 0x0; |
| 2091 | if (err_ack) { |
| 2092 | // Don't set protocol error on ack errors |
| 2093 | err_prot = false0; |
| 2094 | } |
| 2095 | } |
| 2096 | |
| 2097 | // CanID contains error class in socketcan |
| 2098 | canid = CAN_ERR_FLAG0x20000000; |
| 2099 | canid |= err_prot ? CAN_ERR_PROT0x00000008U : 0; |
| 2100 | canid |= err_ack ? CAN_ERR_ACK0x00000020U : 0; |
| 2101 | |
| 2102 | // Fixed packet data length for socketcan error messages |
| 2103 | payload_length = CAN_ERR_DLC8; |
| 2104 | canheader.dlc = payload_length; |
| 2105 | |
| 2106 | phtonu32(tmpbuf, canid); |
| 2107 | tmpbuf[4] = payload_length; |
| 2108 | |
| 2109 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2110 | |
| 2111 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, canheader.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); |
| 2112 | if (canheader.flags & BLF_CANERROREXT_FLAG_CANCORE0x02) { |
| 2113 | direction_tx = (canheader.errorCodeExt & BLF_CANERROREXT_EXTECC_TX0x1000) == BLF_CANERROREXT_EXTECC_TX0x1000; |
| 2114 | blf_add_direction_option(params, direction_tx ? BLF_DIR_TX1: BLF_DIR_RX0); |
| 2115 | } |
| 2116 | return true1; |
| 2117 | } |
| 2118 | |
| 2119 | static bool_Bool |
| 2120 | blf_read_canfderror64(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 2121 | blf_canfderror64_t canheader; |
| 2122 | |
| 2123 | bool_Bool err_ack = false0; |
| 2124 | bool_Bool err_prot = false0; |
| 2125 | bool_Bool direction_tx; |
| 2126 | uint32_t canid; |
| 2127 | uint8_t payload_length; |
| 2128 | uint8_t tmpbuf[16] = {0}; |
| 2129 | |
| 2130 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) { |
| 2131 | *err = WTAP_ERR_BAD_FILE-13; |
| 2132 | *err_info = ws_strdup("blf: CAN_FD_ERROR_64: not enough bytes for canfderror header in object")wmem_strdup(((void*)0), "blf: CAN_FD_ERROR_64: not enough bytes for canfderror header in object" ); |
| 2133 | ws_debug("not enough bytes for canfderror header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2133, __func__, "not enough bytes for canfderror header in object" ); } } while (0); |
| 2134 | return false0; |
| 2135 | } |
| 2136 | |
| 2137 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) { |
| 2138 | ws_debug("not enough bytes for canfderror header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2138, __func__, "not enough bytes for canfderror header in file" ); } } while (0); |
| 2139 | return false0; |
| 2140 | } |
| 2141 | fix_endianness_blf_canfderror64(&canheader); |
| 2142 | |
| 2143 | if (canheader.flags & BLF_CANERROREXT_FLAG_CANCORE0x02) { |
| 2144 | // Map Vector Can Core error codes to compareable socketcan errors |
| 2145 | switch ((canheader.errorCodeExt >> 6) & 0x3f) { |
| 2146 | case BLF_CANERROREXT_ECC_MEANING_BIT_ERROR0x0: |
| 2147 | err_prot = true1; |
| 2148 | tmpbuf[10] = CAN_ERR_PROT_BIT0x01; |
| 2149 | break; |
| 2150 | case BLF_CANERROREXT_ECC_MEANING_FORM_ERROR0x1: |
| 2151 | err_prot = true1; |
| 2152 | tmpbuf[10] = CAN_ERR_PROT_FORM0x02; |
| 2153 | break; |
| 2154 | case BLF_CANERROREXT_ECC_MEANING_STUFF_ERROR0x2: |
| 2155 | err_prot = true1; |
| 2156 | tmpbuf[10] = CAN_ERR_PROT_STUFF0x04; |
| 2157 | break; |
| 2158 | case BLF_CANERROREXT_ECC_MEANING_CRC_ERROR0x4: |
| 2159 | err_prot = true1; |
| 2160 | tmpbuf[11] = CAN_ERR_PROT_LOC_CRC_SEQ0x08; |
| 2161 | break; |
| 2162 | case BLF_CANERROREXT_ECC_MEANING_NACK_ERROR0x7: |
| 2163 | err_ack = true1; |
| 2164 | tmpbuf[11] = CAN_ERR_PROT_LOC_ACK0x19; |
| 2165 | break; |
| 2166 | case BLF_CANERROREXT_ECC_MEANING_OVERLOAD0x8: |
| 2167 | err_prot = true1; |
| 2168 | tmpbuf[10] = CAN_ERR_PROT_OVERLOAD0x20; |
| 2169 | break; |
| 2170 | default: |
| 2171 | err_prot = true1; |
| 2172 | tmpbuf[10] = CAN_ERR_PROT_UNSPEC0x00; |
| 2173 | break; |
| 2174 | } |
| 2175 | err_ack = err_ack || (canheader.errorCodeExt & BLF_CANERROREXT_EXTECC_NOT_ACK0x2000) == 0x0; |
| 2176 | if (err_ack) { |
| 2177 | // Don't set protocol error on ack errors |
| 2178 | err_prot = false0; |
| 2179 | } |
| 2180 | } |
| 2181 | |
| 2182 | // CanID contains error class in socketcan |
| 2183 | canid = CAN_ERR_FLAG0x20000000; |
| 2184 | canid |= err_prot ? CAN_ERR_PROT0x00000008U : 0; |
| 2185 | canid |= err_ack ? CAN_ERR_ACK0x00000020U : 0; |
| 2186 | |
| 2187 | // Fixed packet data length for socketcan error messages |
| 2188 | payload_length = CAN_ERR_DLC8; |
| 2189 | canheader.dlc = payload_length; |
| 2190 | |
| 2191 | phtonu32(tmpbuf, canid); |
| 2192 | tmpbuf[4] = payload_length; |
| 2193 | // Don't set FDF, ESI and BRS flags, since error messages are always encapsulated in Classic CAN frames |
| 2194 | |
| 2195 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2196 | |
| 2197 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, canheader.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); |
| 2198 | if (canheader.flags & BLF_CANERROREXT_FLAG_CANCORE0x02) { |
| 2199 | direction_tx = (canheader.errorCodeExt & BLF_CANERROREXT_EXTECC_TX0x1000) == BLF_CANERROREXT_EXTECC_TX0x1000; |
| 2200 | blf_add_direction_option(params, direction_tx ? BLF_DIR_TX1: BLF_DIR_RX0); |
| 2201 | } |
| 2202 | return true1; |
| 2203 | } |
| 2204 | |
| 2205 | static bool_Bool |
| 2206 | blf_read_canxlchannelframe(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 2207 | blf_canxlchannelframe_t canxlheader; |
| 2208 | |
| 2209 | if (object_length < (data_start - block_start) + (int)sizeof(canxlheader)) { |
| 2210 | *err = WTAP_ERR_BAD_FILE-13; |
| 2211 | *err_info = ws_strdup("blf: CAN_XL_CHANNEL_HEADER: not enough bytes for canxlchannelframe header in object")wmem_strdup(((void*)0), "blf: CAN_XL_CHANNEL_HEADER: not enough bytes for canxlchannelframe header in object" ); |
| 2212 | ws_debug("not enough bytes for canxlchannelframe header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2212, __func__, "not enough bytes for canxlchannelframe header in object" ); } } while (0); |
| 2213 | return false0; |
| 2214 | } |
| 2215 | |
| 2216 | if (!blf_read_bytes(params, data_start, &canxlheader, sizeof(canxlheader), err, err_info)) { |
| 2217 | ws_debug("not enough bytes for canxlchannelframe header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2217, __func__, "not enough bytes for canxlchannelframe header in file" ); } } while (0); |
| 2218 | return false0; |
| 2219 | } |
| 2220 | fix_endianness_blf_canxlchannelframe(&canxlheader); |
| 2221 | |
| 2222 | uint16_t payload_length = canxlheader.dataLength; |
| 2223 | bool_Bool is_canxl = canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_XLF0x400000; |
| 2224 | |
| 2225 | if (is_canxl) { |
| 2226 | uint16_t canid = canxlheader.frameIdentifier & CAN_SFF_MASK0x000007FF; |
| 2227 | |
| 2228 | uint8_t canxl_flags = 0; |
| 2229 | if ((canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_XLF0x400000) == BLF_CANXLCHANNELFRAME_FLAG_XLF0x400000) { |
| 2230 | canxl_flags |= CANXL_XLF0x80; |
| 2231 | } |
| 2232 | |
| 2233 | if ((canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_SEC0x1000000) == BLF_CANXLCHANNELFRAME_FLAG_SEC0x1000000) { |
| 2234 | canxl_flags |= CANXL_SEC0x01; |
| 2235 | } |
| 2236 | |
| 2237 | if ((canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_RRS0x800000) == BLF_CANXLCHANNELFRAME_FLAG_RRS0x800000) { |
| 2238 | canxl_flags |= CANXL_RRS0x02; |
| 2239 | } |
| 2240 | |
| 2241 | uint8_t tmpbuf[12] = { 0 }; |
| 2242 | tmpbuf[1] = canxlheader.virtualControllerAreaNetChannelID; |
| 2243 | phtonu16(tmpbuf + 2, canid); |
| 2244 | tmpbuf[4] = canxl_flags; |
| 2245 | tmpbuf[5] = canxlheader.serviceDataUnitType; |
| 2246 | phtoleu16(tmpbuf + 6, payload_length); |
| 2247 | phtoleu32(tmpbuf + 8, canxlheader.acceptanceField); |
| 2248 | |
| 2249 | if (object_length < (data_start - block_start) + (int)sizeof(canxlheader) + payload_length) { |
| 2250 | *err = WTAP_ERR_BAD_FILE-13; |
| 2251 | *err_info = ws_strdup("blf: CAN_XL_CHANNEL_HEADER: not enough bytes for canxl payload in object")wmem_strdup(((void*)0), "blf: CAN_XL_CHANNEL_HEADER: not enough bytes for canxl payload in object" ); |
| 2252 | ws_debug("not enough bytes for canxl payload in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2252, __func__, "not enough bytes for canxl payload in object" ); } } while (0); |
| 2253 | return false0; |
| 2254 | } |
| 2255 | |
| 2256 | ws_buffer_assure_space(¶ms->rec->data, sizeof(tmpbuf) + payload_length); |
| 2257 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2258 | |
| 2259 | if (payload_length > 0 && !blf_read_bytes(params, data_start + sizeof(blf_canxlchannelframe_t), ws_buffer_end_ptr(¶ms->rec->data), payload_length, err, err_info)) { |
| 2260 | ws_debug("copying canxl payload failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2260, __func__, "copying canxl payload failed"); } } while ( 0); |
| 2261 | return false0; |
| 2262 | } |
| 2263 | ws_buffer_increase_length(¶ms->rec->data, payload_length); |
| 2264 | |
| 2265 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, canxlheader.channel, UINT16_MAX(65535), sizeof(tmpbuf) + payload_length, sizeof(tmpbuf) + payload_length); |
| 2266 | } else { |
| 2267 | // Support for CAN or CAN-FD in CAN-XL Channel Frame format is experimental as of 2025! |
| 2268 | // If you have samples traces, please create a ticket and attach them to it: https://gitlab.com/wireshark/wireshark/-/issues |
| 2269 | |
| 2270 | bool_Bool canfd = canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_FDF0x1000; |
| 2271 | uint8_t canfd_flags = 0; |
| 2272 | |
| 2273 | if (object_length < (data_start - block_start) + (int)sizeof(canxlheader) + payload_length) { |
| 2274 | ws_debug("shortening canxl for can/canfd payload because buffer is too short.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2274, __func__, "shortening canxl for can/canfd payload because buffer is too short." ); } } while (0); |
| 2275 | object_length = (data_start - block_start) + (int)sizeof(canxlheader) + payload_length; |
Value stored to 'object_length' is never read | |
| 2276 | } |
| 2277 | |
| 2278 | if (canfd) { |
| 2279 | if (payload_length > 64) { |
| 2280 | ws_debug("CANFD should not have payload_length > 64. Shortening!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2280, __func__, "CANFD should not have payload_length > 64. Shortening!" ); } } while (0); |
| 2281 | payload_length = 64; |
| 2282 | } |
| 2283 | |
| 2284 | if (canxlheader.dlc > 0x0f) { |
| 2285 | ws_debug("CANFD should not have DLC > 0x0f.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2285, __func__, "CANFD should not have DLC > 0x0f."); } } while (0); |
| 2286 | } else if (payload_length > canfd_dlc_to_length[canxlheader.dlc]) { |
| 2287 | ws_debug("CANFD payload_length and DLC not compatible!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2287, __func__, "CANFD payload_length and DLC not compatible!" ); } } while (0); |
| 2288 | } |
| 2289 | |
| 2290 | |
| 2291 | if ((canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_BRS0x2000) == BLF_CANXLCHANNELFRAME_FLAG_BRS0x2000) { |
| 2292 | canfd_flags |= CANFD_BRS0x01; |
| 2293 | } |
| 2294 | if ((canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_ESI0x4000) == BLF_CANXLCHANNELFRAME_FLAG_ESI0x4000) { |
| 2295 | canfd_flags |= CANFD_ESI0x02; |
| 2296 | } |
| 2297 | if ((canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_FDF0x1000) == BLF_CANXLCHANNELFRAME_FLAG_FDF0x1000) { |
| 2298 | canfd_flags |= CANFD_FDF0x04; |
| 2299 | } |
| 2300 | } else { |
| 2301 | if (payload_length > 8) { |
| 2302 | ws_debug("Regular CAN should not have payload_length > 8. Shortening!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2302, __func__, "Regular CAN should not have payload_length > 8. Shortening!" ); } } while (0); |
| 2303 | payload_length = 8; |
| 2304 | } |
| 2305 | |
| 2306 | if (canxlheader.dlc > 8) { |
| 2307 | ws_debug("Regular CAN should not have DLC > 8.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2307, __func__, "Regular CAN should not have DLC > 8."); } } while (0); |
| 2308 | } else if (payload_length != canxlheader.dlc) { |
| 2309 | ws_debug("CAN payload_length and DLC not compatible!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2309, __func__, "CAN payload_length and DLC not compatible!" ); } } while (0); |
| 2310 | } |
| 2311 | |
| 2312 | canfd_flags = 0; |
| 2313 | } |
| 2314 | |
| 2315 | uint32_t canid = canxlheader.frameIdentifier; |
| 2316 | |
| 2317 | /* Unclear how to reconstruct the EFF Flag. Let's make sure, we set it if the ID is more than 11 bits */ |
| 2318 | if ((canid & CAN_EFF_MASK0x1FFFFFFF) > CAN_SFF_MASK0x000007FF) { |
| 2319 | canid |= CAN_EFF_FLAG0x80000000; |
| 2320 | } |
| 2321 | |
| 2322 | if (!canfd && (canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_REMOTE_FRAME0x10) == BLF_CANXLCHANNELFRAME_FLAG_REMOTE_FRAME0x10) { |
| 2323 | canid |= CAN_RTR_FLAG0x40000000; |
| 2324 | payload_length = 0; |
| 2325 | } |
| 2326 | |
| 2327 | if (!blf_can_fill_buf_and_rec(params, err, err_info, canid, (uint8_t)payload_length, (uint8_t)payload_length, data_start + sizeof(canxlheader), flags, object_timestamp, canxlheader.channel, canfd_flags)) { |
| 2328 | return false0; |
| 2329 | } |
| 2330 | } |
| 2331 | |
| 2332 | blf_add_direction_option(params, canxlheader.dir ? BLF_DIR_TX1 : BLF_DIR_RX0); |
| 2333 | |
| 2334 | return true1; |
| 2335 | } |
| 2336 | |
| 2337 | static bool_Bool |
| 2338 | blf_read_flexraydata(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 2339 | blf_flexraydata_t frheader; |
| 2340 | |
| 2341 | uint8_t payload_length; |
| 2342 | uint8_t payload_length_valid; |
| 2343 | uint8_t tmpbuf[7]; |
| 2344 | unsigned caplen, len; |
| 2345 | |
| 2346 | if (object_length < (data_start - block_start) + (int) sizeof(frheader)) { |
| 2347 | *err = WTAP_ERR_BAD_FILE-13; |
| 2348 | *err_info = ws_strdup("blf: FLEXRAY_DATA: not enough bytes for flexrayheader in object")wmem_strdup(((void*)0), "blf: FLEXRAY_DATA: not enough bytes for flexrayheader in object" ); |
| 2349 | ws_debug("not enough bytes for flexrayheader in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2349, __func__, "not enough bytes for flexrayheader in object" ); } } while (0); |
| 2350 | return false0; |
| 2351 | } |
| 2352 | |
| 2353 | if (!blf_read_bytes(params, data_start, &frheader, sizeof(frheader), err, err_info)) { |
| 2354 | ws_debug("not enough bytes for flexrayheader header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2354, __func__, "not enough bytes for flexrayheader header in file" ); } } while (0); |
| 2355 | return false0; |
| 2356 | } |
| 2357 | fix_endianness_blf_flexraydata(&frheader); |
| 2358 | |
| 2359 | payload_length = frheader.len; |
| 2360 | payload_length_valid = payload_length; |
| 2361 | |
| 2362 | if ((frheader.len & 0x01) == 0x01) { |
| 2363 | ws_debug("reading odd length in FlexRay!?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2363, __func__, "reading odd length in FlexRay!?"); } } while (0); |
| 2364 | } |
| 2365 | |
| 2366 | if (payload_length_valid > object_length - (data_start - block_start) - sizeof(frheader)) { |
| 2367 | ws_debug("shortening FlexRay payload because buffer is too short.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2367, __func__, "shortening FlexRay payload because buffer is too short." ); } } while (0); |
| 2368 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start) - sizeof(frheader)); |
| 2369 | } |
| 2370 | |
| 2371 | if (frheader.channel != 0 && frheader.channel != 1) { |
| 2372 | ws_debug("FlexRay supports only two channels.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2372, __func__, "FlexRay supports only two channels."); } } while (0); |
| 2373 | } |
| 2374 | |
| 2375 | /* Measurement Header */ |
| 2376 | if (frheader.channel == 0) { |
| 2377 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01; |
| 2378 | } else { |
| 2379 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01 | BLF_FLEXRAYDATA_CHANNEL_B0x80; |
| 2380 | } |
| 2381 | |
| 2382 | /* Error Flags */ |
| 2383 | tmpbuf[1] = 0; |
| 2384 | |
| 2385 | /* Frame Header */ |
| 2386 | tmpbuf[2] = 0x20 | ((0x0700 & frheader.messageId) >> 8); |
| 2387 | tmpbuf[3] = 0x00ff & frheader.messageId; |
| 2388 | tmpbuf[4] = (0xfe & frheader.len) | ((frheader.crc & 0x0400) >> 10); |
| 2389 | tmpbuf[5] = (0x03fc & frheader.crc) >> 2; |
| 2390 | tmpbuf[6] = ((0x0003 & frheader.crc) << 6) | (0x3f & frheader.mux); |
| 2391 | |
| 2392 | ws_buffer_assure_space(¶ms->rec->data, sizeof(tmpbuf) + payload_length_valid); |
| 2393 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2394 | caplen = sizeof(tmpbuf) + payload_length_valid; |
| 2395 | len = sizeof(tmpbuf) + payload_length; |
| 2396 | |
| 2397 | if (payload_length_valid > 0 && !blf_read_bytes(params, data_start + sizeof(frheader), ws_buffer_end_ptr(¶ms->rec->data), payload_length_valid, err, err_info)) { |
| 2398 | ws_debug("copying flexray payload failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2398, __func__, "copying flexray payload failed"); } } while (0); |
| 2399 | return false0; |
| 2400 | } |
| 2401 | ws_buffer_increase_length(¶ms->rec->data, payload_length_valid); |
| 2402 | |
| 2403 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_FLEXRAY106, frheader.channel, UINT16_MAX(65535), caplen, len); |
| 2404 | blf_add_direction_option(params, frheader.dir); |
| 2405 | |
| 2406 | return true1; |
| 2407 | } |
| 2408 | |
| 2409 | static bool_Bool |
| 2410 | blf_read_flexraymessage(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 2411 | blf_flexraymessage_t frheader; |
| 2412 | |
| 2413 | uint8_t payload_length; |
| 2414 | uint8_t payload_length_valid; |
| 2415 | uint8_t tmpbuf[7]; |
| 2416 | unsigned caplen, len; |
| 2417 | |
| 2418 | if (object_length < (data_start - block_start) + (int) sizeof(frheader)) { |
| 2419 | *err = WTAP_ERR_BAD_FILE-13; |
| 2420 | *err_info = ws_strdup("blf: FLEXRAY_MESSAGE: not enough bytes for flexrayheader in object")wmem_strdup(((void*)0), "blf: FLEXRAY_MESSAGE: not enough bytes for flexrayheader in object" ); |
| 2421 | ws_debug("not enough bytes for flexrayheader in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2421, __func__, "not enough bytes for flexrayheader in object" ); } } while (0); |
| 2422 | return false0; |
| 2423 | } |
| 2424 | |
| 2425 | if (!blf_read_bytes(params, data_start, &frheader, sizeof(frheader), err, err_info)) { |
| 2426 | ws_debug("not enough bytes for flexrayheader header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2426, __func__, "not enough bytes for flexrayheader header in file" ); } } while (0); |
| 2427 | return false0; |
| 2428 | } |
| 2429 | fix_endianness_blf_flexraymessage(&frheader); |
| 2430 | |
| 2431 | payload_length = frheader.length; |
| 2432 | payload_length_valid = payload_length; |
| 2433 | |
| 2434 | if ((frheader.length & 0x01) == 0x01) { |
| 2435 | ws_debug("reading odd length in FlexRay!?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2435, __func__, "reading odd length in FlexRay!?"); } } while (0); |
| 2436 | } |
| 2437 | |
| 2438 | if (payload_length_valid > object_length - (data_start - block_start) - sizeof(frheader)) { |
| 2439 | ws_debug("shortening FlexRay payload because buffer is too short.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2439, __func__, "shortening FlexRay payload because buffer is too short." ); } } while (0); |
| 2440 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start) - sizeof(frheader)); |
| 2441 | } |
| 2442 | |
| 2443 | if (frheader.channel != 0 && frheader.channel != 1) { |
| 2444 | ws_debug("FlexRay supports only two channels.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2444, __func__, "FlexRay supports only two channels."); } } while (0); |
| 2445 | } |
| 2446 | |
| 2447 | /* Measurement Header */ |
| 2448 | if (frheader.channel == 0) { |
| 2449 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01; |
| 2450 | } else { |
| 2451 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01 | BLF_FLEXRAYDATA_CHANNEL_B0x80; |
| 2452 | } |
| 2453 | |
| 2454 | /* Error Flags */ |
| 2455 | tmpbuf[1] = 0; |
| 2456 | |
| 2457 | /* Frame Header */ |
| 2458 | tmpbuf[2] = ((0x0700 & frheader.frameId) >> 8); |
| 2459 | if ((frheader.frameState & BLF_FLEXRAYMESSAGE_STATE_PPI0x01) == BLF_FLEXRAYMESSAGE_STATE_PPI0x01) { |
| 2460 | tmpbuf[2] |= BLF_DLT_FLEXRAY_PPI0x40; |
| 2461 | } |
| 2462 | |
| 2463 | if ((frheader.frameState & BLF_FLEXRAYMESSAGE_STATE_SFI0x02) == BLF_FLEXRAYMESSAGE_STATE_SFI0x02) { |
| 2464 | tmpbuf[2] |= BLF_DLT_FLEXRAY_SFI0x10; |
| 2465 | } |
| 2466 | |
| 2467 | if ((frheader.frameState & BLF_FLEXRAYMESSAGE_STATE_NFI0x08) != BLF_FLEXRAYMESSAGE_STATE_NFI0x08) { |
| 2468 | /* NFI needs to be inversed !? */ |
| 2469 | tmpbuf[2] |= BLF_DLT_FLEXRAY_NFI0x20; |
| 2470 | } |
| 2471 | |
| 2472 | if ((frheader.frameState & BLF_FLEXRAYMESSAGE_STATE_STFI0x10) == BLF_FLEXRAYMESSAGE_STATE_STFI0x10) { |
| 2473 | tmpbuf[2] |= BLF_DLT_FLEXRAY_STFI0x08; |
| 2474 | } |
| 2475 | |
| 2476 | tmpbuf[3] = 0x00ff & frheader.frameId; |
| 2477 | tmpbuf[4] = (0xfe & frheader.length) | ((frheader.headerCrc & 0x0400) >> 10); |
| 2478 | tmpbuf[5] = (0x03fc & frheader.headerCrc) >> 2; |
| 2479 | tmpbuf[6] = ((0x0003 & frheader.headerCrc) << 6) | (0x3f & frheader.cycle); |
| 2480 | |
| 2481 | ws_buffer_assure_space(¶ms->rec->data, sizeof(tmpbuf) + payload_length_valid); |
| 2482 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2483 | caplen = sizeof(tmpbuf) + payload_length_valid; |
| 2484 | len = sizeof(tmpbuf) + payload_length; |
| 2485 | |
| 2486 | if (payload_length_valid > 0 && !blf_read_bytes(params, data_start + sizeof(frheader), ws_buffer_end_ptr(¶ms->rec->data), payload_length_valid, err, err_info)) { |
| 2487 | ws_debug("copying flexray payload failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2487, __func__, "copying flexray payload failed"); } } while (0); |
| 2488 | return false0; |
| 2489 | } |
| 2490 | ws_buffer_increase_length(¶ms->rec->data, payload_length_valid); |
| 2491 | |
| 2492 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_FLEXRAY106, frheader.channel, UINT16_MAX(65535), caplen, len); |
| 2493 | blf_add_direction_option(params, frheader.dir); |
| 2494 | |
| 2495 | return true1; |
| 2496 | } |
| 2497 | |
| 2498 | static bool_Bool |
| 2499 | blf_read_flexrayrcvmessageex(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, bool_Bool ext) { |
| 2500 | blf_flexrayrcvmessage_t frheader; |
| 2501 | |
| 2502 | uint16_t payload_length; |
| 2503 | uint16_t payload_length_valid; |
| 2504 | uint8_t tmpbuf[7]; |
| 2505 | int frheadersize = sizeof(frheader); |
| 2506 | unsigned caplen, len; |
| 2507 | |
| 2508 | if (ext) { |
| 2509 | frheadersize += 40; |
| 2510 | } |
| 2511 | |
| 2512 | if ((int64_t)object_length < (data_start - block_start) + frheadersize) { |
| 2513 | *err = WTAP_ERR_BAD_FILE-13; |
| 2514 | *err_info = ws_strdup_printf("blf: %s: not enough bytes for flexrayheader in object",wmem_strdup_printf(((void*)0), "blf: %s: not enough bytes for flexrayheader in object" , ext ? "FLEXRAY_RCVMESSAGE_EX" : "FLEXRAY_RCVMESSAGE") |
| 2515 | ext ? "FLEXRAY_RCVMESSAGE_EX" : "FLEXRAY_RCVMESSAGE")wmem_strdup_printf(((void*)0), "blf: %s: not enough bytes for flexrayheader in object" , ext ? "FLEXRAY_RCVMESSAGE_EX" : "FLEXRAY_RCVMESSAGE"); |
| 2516 | ws_debug("not enough bytes for flexrayheader in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2516, __func__, "not enough bytes for flexrayheader in object" ); } } while (0); |
| 2517 | return false0; |
| 2518 | } |
| 2519 | |
| 2520 | if (!blf_read_bytes(params, data_start, &frheader, sizeof(frheader), err, err_info)) { |
| 2521 | ws_debug("not enough bytes for flexrayheader header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2521, __func__, "not enough bytes for flexrayheader header in file" ); } } while (0); |
| 2522 | return false0; |
| 2523 | } |
| 2524 | fix_endianness_blf_flexrayrcvmessage(&frheader); |
| 2525 | |
| 2526 | if (!ext) { |
| 2527 | frheader.dir &= 0xff; |
| 2528 | frheader.cycle &= 0xff; |
| 2529 | } |
| 2530 | |
| 2531 | payload_length = frheader.payloadLength; |
| 2532 | payload_length_valid = frheader.payloadLengthValid; |
| 2533 | |
| 2534 | if ((frheader.payloadLength & 0x01) == 0x01) { |
| 2535 | ws_debug("reading odd length in FlexRay!?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2535, __func__, "reading odd length in FlexRay!?"); } } while (0); |
| 2536 | } |
| 2537 | |
| 2538 | if (payload_length_valid > object_length - (data_start - block_start) - frheadersize) { |
| 2539 | ws_debug("shortening FlexRay payload because buffer is too short.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2539, __func__, "shortening FlexRay payload because buffer is too short." ); } } while (0); |
| 2540 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start) - frheadersize); |
| 2541 | } |
| 2542 | |
| 2543 | /* Measurement Header */ |
| 2544 | /* TODO: It seems that this format support both channels at the same time!? */ |
| 2545 | if (frheader.channelMask == BLF_FLEXRAYRCVMSG_CHANNELMASK_A0x01) { |
| 2546 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01; |
| 2547 | } else { |
| 2548 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01 | BLF_FLEXRAYDATA_CHANNEL_B0x80; |
| 2549 | } |
| 2550 | |
| 2551 | /* Error Flags */ |
| 2552 | tmpbuf[1] = 0; |
| 2553 | |
| 2554 | /* Frame Header */ |
| 2555 | tmpbuf[2] = ((0x0700 & frheader.frameId) >> 8); |
| 2556 | if ((frheader.frameFlags & BLF_FLEXRAYRCVMSG_FRAME_FLAG_PAYLOAD_PREAM0x00000010) == BLF_FLEXRAYRCVMSG_FRAME_FLAG_PAYLOAD_PREAM0x00000010) { |
| 2557 | tmpbuf[2] |= BLF_DLT_FLEXRAY_PPI0x40; |
| 2558 | } |
| 2559 | |
| 2560 | if ((frheader.frameFlags & BLF_FLEXRAYRCVMSG_FRAME_FLAG_SYNC0x00000004) == BLF_FLEXRAYRCVMSG_FRAME_FLAG_SYNC0x00000004) { |
| 2561 | tmpbuf[2] |= BLF_DLT_FLEXRAY_SFI0x10; |
| 2562 | } |
| 2563 | |
| 2564 | if ((frheader.frameFlags & BLF_FLEXRAYRCVMSG_FRAME_FLAG_NULL_FRAME0x00000001) != BLF_FLEXRAYRCVMSG_FRAME_FLAG_NULL_FRAME0x00000001) { |
| 2565 | /* NFI needs to be inversed !? */ |
| 2566 | tmpbuf[2] |= BLF_DLT_FLEXRAY_NFI0x20; |
| 2567 | } |
| 2568 | |
| 2569 | if ((frheader.frameFlags & BLF_FLEXRAYRCVMSG_FRAME_FLAG_STARTUP0x00000008) == BLF_FLEXRAYRCVMSG_FRAME_FLAG_STARTUP0x00000008) { |
| 2570 | tmpbuf[2] |= BLF_DLT_FLEXRAY_STFI0x08; |
| 2571 | } |
| 2572 | |
| 2573 | tmpbuf[3] = 0x00ff & frheader.frameId; |
| 2574 | tmpbuf[4] = (0xfe & frheader.payloadLength) | ((frheader.headerCrc1 & 0x0400) >> 10); |
| 2575 | tmpbuf[5] = (0x03fc & frheader.headerCrc1) >> 2; |
| 2576 | tmpbuf[6] = ((0x0003 & frheader.headerCrc1) << 6) | (0x3f & frheader.cycle); |
| 2577 | |
| 2578 | ws_buffer_assure_space(¶ms->rec->data, sizeof(tmpbuf) + payload_length_valid); |
| 2579 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2580 | caplen = sizeof(tmpbuf) + payload_length_valid; |
| 2581 | len = sizeof(tmpbuf) + payload_length; |
| 2582 | |
| 2583 | if (payload_length_valid > 0 && !blf_read_bytes(params, data_start + frheadersize, ws_buffer_end_ptr(¶ms->rec->data), payload_length_valid, err, err_info)) { |
| 2584 | ws_debug("copying flexray payload failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2584, __func__, "copying flexray payload failed"); } } while (0); |
| 2585 | return false0; |
| 2586 | } |
| 2587 | ws_buffer_increase_length(¶ms->rec->data, payload_length_valid); |
| 2588 | |
| 2589 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_FLEXRAY106, frheader.channelMask, UINT16_MAX(65535), caplen, len); |
| 2590 | blf_add_direction_option(params, frheader.dir); |
| 2591 | |
| 2592 | return true1; |
| 2593 | } |
| 2594 | |
| 2595 | static bool_Bool |
| 2596 | blf_read_linmessage(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, bool_Bool crc_error) { |
| 2597 | blf_linmessage_t linmessage; |
| 2598 | |
| 2599 | uint8_t payload_length; |
| 2600 | unsigned len; |
| 2601 | |
| 2602 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { |
| 2603 | *err = WTAP_ERR_BAD_FILE-13; |
| 2604 | *err_info = ws_strdup_printf("blf: %s: not enough bytes for %s in object", crc_error ? "LIN_CRC_ERROR" : "LIN_MESSAGE", crc_error ? "lincrcerror" : "linmessage")wmem_strdup_printf(((void*)0), "blf: %s: not enough bytes for %s in object" , crc_error ? "LIN_CRC_ERROR" : "LIN_MESSAGE", crc_error ? "lincrcerror" : "linmessage"); |
| 2605 | ws_debug("not enough bytes for %s in object", crc_error ? "lincrcerror" : "linmessage")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2605, __func__, "not enough bytes for %s in object", crc_error ? "lincrcerror" : "linmessage"); } } while (0); |
| 2606 | return false0; |
| 2607 | } |
| 2608 | |
| 2609 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { |
| 2610 | ws_debug("not enough bytes for %s in file", crc_error ? "lincrcerror" : "linmessage")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2610, __func__, "not enough bytes for %s in file", crc_error ? "lincrcerror" : "linmessage"); } } while (0); |
| 2611 | return false0; |
| 2612 | } |
| 2613 | fix_endianness_blf_linmessage(&linmessage); |
| 2614 | |
| 2615 | linmessage.dlc &= 0x0f; |
| 2616 | linmessage.id &= 0x3f; |
| 2617 | |
| 2618 | payload_length = MIN(linmessage.dlc, 8)(((linmessage.dlc) < (8)) ? (linmessage.dlc) : (8)); |
| 2619 | |
| 2620 | uint8_t tmpbuf[8]; |
| 2621 | tmpbuf[0] = 1; /* message format rev = 1 */ |
| 2622 | tmpbuf[1] = 0; /* reserved */ |
| 2623 | tmpbuf[2] = 0; /* reserved */ |
| 2624 | tmpbuf[3] = 0; /* reserved */ |
| 2625 | tmpbuf[4] = linmessage.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ |
| 2626 | tmpbuf[5] = linmessage.id; /* parity (2bit) | id (6bit) */ |
| 2627 | tmpbuf[6] = (uint8_t)(linmessage.crc & 0xff); /* checksum */ |
| 2628 | tmpbuf[7] = 0; /* errors */ |
| 2629 | |
| 2630 | if (crc_error) { |
| 2631 | tmpbuf[7] |= 0x08; |
| 2632 | } |
| 2633 | |
| 2634 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2635 | ws_buffer_append(¶ms->rec->data, linmessage.data, payload_length); |
| 2636 | len = sizeof(tmpbuf) + payload_length; |
| 2637 | |
| 2638 | /* make sure that the payload is 4 or 8 bytes long */ |
| 2639 | const uint8_t padding[4] = { 0, 0, 0, 0 }; |
| 2640 | if (payload_length < 4) { |
| 2641 | ws_buffer_append(¶ms->rec->data, padding, 4 - payload_length); |
| 2642 | len += 4 - payload_length; |
| 2643 | } else if (payload_length > 4 && payload_length < 8) { |
| 2644 | ws_buffer_append(¶ms->rec->data, padding, 8 - payload_length); |
| 2645 | len += 8 - payload_length; |
| 2646 | } |
| 2647 | |
| 2648 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.channel, UINT16_MAX(65535), len, len); |
| 2649 | blf_add_direction_option(params, linmessage.dir); |
| 2650 | |
| 2651 | return true1; |
| 2652 | } |
| 2653 | |
| 2654 | static bool_Bool |
| 2655 | blf_read_linrcverror(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 2656 | blf_linrcverror_t linmessage; |
| 2657 | |
| 2658 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { |
| 2659 | *err = WTAP_ERR_BAD_FILE-13; |
| 2660 | *err_info = ws_strdup("blf: LIN_RCV_ERROR: not enough bytes for linrcverror in object")wmem_strdup(((void*)0), "blf: LIN_RCV_ERROR: not enough bytes for linrcverror in object" ); |
| 2661 | ws_debug("not enough bytes for linrcverror in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2661, __func__, "not enough bytes for linrcverror in object" ); } } while (0); |
| 2662 | return false0; |
| 2663 | } |
| 2664 | |
| 2665 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { |
| 2666 | ws_debug("not enough bytes for linrcverror in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2666, __func__, "not enough bytes for linrcverror in file") ; } } while (0); |
| 2667 | return false0; |
| 2668 | } |
| 2669 | linmessage.channel = GUINT16_FROM_LE(linmessage.channel)(((guint16) (linmessage.channel))); |
| 2670 | |
| 2671 | linmessage.dlc &= 0x0f; |
| 2672 | linmessage.id &= 0x3f; |
| 2673 | |
| 2674 | uint8_t tmpbuf[12]; |
| 2675 | tmpbuf[0] = 1; /* message format rev = 1 */ |
| 2676 | tmpbuf[1] = 0; /* reserved */ |
| 2677 | tmpbuf[2] = 0; /* reserved */ |
| 2678 | tmpbuf[3] = 0; /* reserved */ |
| 2679 | tmpbuf[4] = linmessage.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ |
| 2680 | tmpbuf[5] = linmessage.id; /* parity (2bit) | id (6bit) */ |
| 2681 | tmpbuf[6] = 0; /* checksum */ |
| 2682 | /* XXX - This object can represent many different error types. |
| 2683 | * For now we always treat it as framing error, |
| 2684 | * but in the future we should expand it. */ |
| 2685 | tmpbuf[7] = LIN_ERROR_FRAMING_ERROR0x02; /* errors */ |
| 2686 | tmpbuf[8] = 0; |
| 2687 | tmpbuf[9] = 0; |
| 2688 | tmpbuf[10] = 0; |
| 2689 | tmpbuf[11] = 0; |
| 2690 | |
| 2691 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2692 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); |
| 2693 | |
| 2694 | return true1; |
| 2695 | } |
| 2696 | |
| 2697 | static bool_Bool |
| 2698 | blf_read_linsenderror(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 2699 | blf_linsenderror_t linmessage; |
| 2700 | |
| 2701 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { |
| 2702 | *err = WTAP_ERR_BAD_FILE-13; |
| 2703 | *err_info = ws_strdup("blf: LIN_SND_ERROR: not enough bytes for linsenderror in object")wmem_strdup(((void*)0), "blf: LIN_SND_ERROR: not enough bytes for linsenderror in object" ); |
| 2704 | ws_debug("not enough bytes for linsenderror in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2704, __func__, "not enough bytes for linsenderror in object" ); } } while (0); |
| 2705 | return false0; |
| 2706 | } |
| 2707 | |
| 2708 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { |
| 2709 | ws_debug("not enough bytes for linsenderror in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2709, __func__, "not enough bytes for linsenderror in file" ); } } while (0); |
| 2710 | return false0; |
| 2711 | } |
| 2712 | linmessage.channel = GUINT16_FROM_LE(linmessage.channel)(((guint16) (linmessage.channel))); |
| 2713 | |
| 2714 | linmessage.dlc &= 0x0f; |
| 2715 | linmessage.id &= 0x3f; |
| 2716 | |
| 2717 | uint8_t tmpbuf[12]; |
| 2718 | tmpbuf[0] = 1; /* message format rev = 1 */ |
| 2719 | tmpbuf[1] = 0; /* reserved */ |
| 2720 | tmpbuf[2] = 0; /* reserved */ |
| 2721 | tmpbuf[3] = 0; /* reserved */ |
| 2722 | tmpbuf[4] = linmessage.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ |
| 2723 | tmpbuf[5] = linmessage.id; /* parity (2bit) | id (6bit) */ |
| 2724 | tmpbuf[6] = 0; /* checksum */ |
| 2725 | tmpbuf[7] = LIN_ERROR_NO_SLAVE_RESPONSE0x01; /* errors */ |
| 2726 | tmpbuf[8] = 0; |
| 2727 | tmpbuf[9] = 0; |
| 2728 | tmpbuf[10] = 0; |
| 2729 | tmpbuf[11] = 0; |
| 2730 | |
| 2731 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2732 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); |
| 2733 | |
| 2734 | return true1; |
| 2735 | } |
| 2736 | |
| 2737 | static bool_Bool |
| 2738 | blf_read_linwakeupevent(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 2739 | blf_linwakeupevent_t linevent; |
| 2740 | |
| 2741 | if (object_length < (data_start - block_start) + (int)sizeof(linevent)) { |
| 2742 | *err = WTAP_ERR_BAD_FILE-13; |
| 2743 | *err_info = ws_strdup("blf: LIN_WAKEUP: not enough bytes for linwakeup in object")wmem_strdup(((void*)0), "blf: LIN_WAKEUP: not enough bytes for linwakeup in object" ); |
| 2744 | ws_debug("not enough bytes for linwakeup in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2744, __func__, "not enough bytes for linwakeup in object") ; } } while (0); |
| 2745 | return false0; |
| 2746 | } |
| 2747 | |
| 2748 | if (!blf_read_bytes(params, data_start, &linevent, sizeof(linevent), err, err_info)) { |
| 2749 | ws_debug("not enough bytes for linwakeup in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2749, __func__, "not enough bytes for linwakeup in file"); } } while (0); |
| 2750 | return false0; |
| 2751 | } |
| 2752 | linevent.channel = GUINT16_FROM_LE(linevent.channel)(((guint16) (linevent.channel))); |
| 2753 | |
| 2754 | uint8_t tmpbuf[12]; /* LIN events have a fixed length of 12 bytes */ |
| 2755 | tmpbuf[0] = 1; /* message format rev = 1 */ |
| 2756 | tmpbuf[1] = 0; /* reserved */ |
| 2757 | tmpbuf[2] = 0; /* reserved */ |
| 2758 | tmpbuf[3] = 0; /* reserved */ |
| 2759 | tmpbuf[4] = 3 << 2; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ |
| 2760 | tmpbuf[5] = 0; /* parity (2bit) | id (6bit) */ |
| 2761 | tmpbuf[6] = 0; /* checksum */ |
| 2762 | tmpbuf[7] = 0; /* errors */ |
| 2763 | |
| 2764 | /* Wake-up event */ |
| 2765 | tmpbuf[8] = 0xB0; |
| 2766 | tmpbuf[9] = 0xB0; |
| 2767 | tmpbuf[10] = 0x00; |
| 2768 | tmpbuf[11] = 0x04; |
| 2769 | |
| 2770 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2771 | |
| 2772 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linevent.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); |
| 2773 | |
| 2774 | return true1; |
| 2775 | } |
| 2776 | |
| 2777 | static bool_Bool |
| 2778 | blf_read_linmessage2(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, uint16_t object_version) { |
| 2779 | blf_linmessage2_t linmessage; |
| 2780 | |
| 2781 | uint8_t payload_length; |
| 2782 | unsigned len; |
| 2783 | |
| 2784 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { |
| 2785 | *err = WTAP_ERR_BAD_FILE-13; |
| 2786 | *err_info = ws_strdup("blf: LIN_MESSAGE2: not enough bytes for linmessage2 in object")wmem_strdup(((void*)0), "blf: LIN_MESSAGE2: not enough bytes for linmessage2 in object" ); |
| 2787 | ws_debug("not enough bytes for linmessage2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2787, __func__, "not enough bytes for linmessage2 in object" ); } } while (0); |
| 2788 | return false0; |
| 2789 | } |
| 2790 | |
| 2791 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { |
| 2792 | ws_debug("not enough bytes for linmessage2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2792, __func__, "not enough bytes for linmessage2 in file") ; } } while (0); |
| 2793 | return false0; |
| 2794 | } |
| 2795 | fix_endianness_blf_linmessage2(&linmessage); |
| 2796 | |
| 2797 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc &= 0x0f; |
| 2798 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.id &= 0x3f; |
| 2799 | |
| 2800 | payload_length = MIN(linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc, 8)(((linmessage.linDataByteTimestampEvent.linMessageDescriptor. dlc) < (8)) ? (linmessage.linDataByteTimestampEvent.linMessageDescriptor .dlc) : (8)); |
| 2801 | |
| 2802 | uint8_t tmpbuf[8]; |
| 2803 | tmpbuf[0] = 1; /* message format rev = 1 */ |
| 2804 | tmpbuf[1] = 0; /* reserved */ |
| 2805 | tmpbuf[2] = 0; /* reserved */ |
| 2806 | tmpbuf[3] = 0; /* reserved */ |
| 2807 | tmpbuf[4] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ |
| 2808 | if (object_version >= 1) { /* The 'checksumModel' field is valid only if objectVersion >= 1 */ |
| 2809 | switch (linmessage.linDataByteTimestampEvent.linMessageDescriptor.checksumModel) { |
| 2810 | case 0: |
| 2811 | tmpbuf[4] |= 1; /* Classic */ |
| 2812 | break; |
| 2813 | case 1: |
| 2814 | tmpbuf[4] |= 2; /* Enhanced */ |
| 2815 | break; |
| 2816 | default: |
| 2817 | break; |
| 2818 | } |
| 2819 | } |
| 2820 | tmpbuf[5] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.id; /* parity (2bit) | id (6bit) */ |
| 2821 | tmpbuf[6] = (uint8_t)(linmessage.crc & 0xff); /* checksum */ |
| 2822 | tmpbuf[7] = 0; /* errors */ |
| 2823 | |
| 2824 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2825 | ws_buffer_append(¶ms->rec->data, linmessage.data, payload_length); |
| 2826 | len = sizeof(tmpbuf) + payload_length; |
| 2827 | |
| 2828 | /* make sure that the payload is 4 or 8 bytes long */ |
| 2829 | const uint8_t padding[4] = { 0, 0, 0, 0 }; |
| 2830 | if (payload_length < 4) { |
| 2831 | ws_buffer_append(¶ms->rec->data, padding, 4 - payload_length); |
| 2832 | len += 4 - payload_length; |
| 2833 | } else if (payload_length > 4 && payload_length < 8) { |
| 2834 | ws_buffer_append(¶ms->rec->data, padding, 8 - payload_length); |
| 2835 | len += 8 - payload_length; |
| 2836 | } |
| 2837 | |
| 2838 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.linDataByteTimestampEvent.linMessageDescriptor.linSynchFieldEvent.linBusEvent.channel, UINT16_MAX(65535), len, len); |
| 2839 | blf_add_direction_option(params, linmessage.dir); |
| 2840 | |
| 2841 | return true1; |
| 2842 | } |
| 2843 | |
| 2844 | static bool_Bool |
| 2845 | blf_read_lincrcerror2(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, uint16_t object_version) { |
| 2846 | blf_lincrcerror2_t linmessage; |
| 2847 | |
| 2848 | uint8_t payload_length; |
| 2849 | unsigned len; |
| 2850 | |
| 2851 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { |
| 2852 | *err = WTAP_ERR_BAD_FILE-13; |
| 2853 | *err_info = ws_strdup("blf: LIN_CRC_ERROR2: not enough bytes for lincrcerror2 in object")wmem_strdup(((void*)0), "blf: LIN_CRC_ERROR2: not enough bytes for lincrcerror2 in object" ); |
| 2854 | ws_debug("not enough bytes for lincrcerror2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2854, __func__, "not enough bytes for lincrcerror2 in object" ); } } while (0); |
| 2855 | return false0; |
| 2856 | } |
| 2857 | |
| 2858 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { |
| 2859 | ws_debug("not enough bytes for lincrcerror2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2859, __func__, "not enough bytes for lincrcerror2 in file" ); } } while (0); |
| 2860 | return false0; |
| 2861 | } |
| 2862 | fix_endianness_blf_lincrcerror2(&linmessage); |
| 2863 | |
| 2864 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc &= 0x0f; |
| 2865 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.id &= 0x3f; |
| 2866 | |
| 2867 | payload_length = MIN(linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc, 8)(((linmessage.linDataByteTimestampEvent.linMessageDescriptor. dlc) < (8)) ? (linmessage.linDataByteTimestampEvent.linMessageDescriptor .dlc) : (8)); |
| 2868 | |
| 2869 | uint8_t tmpbuf[12]; |
| 2870 | tmpbuf[0] = 1; /* message format rev = 1 */ |
| 2871 | tmpbuf[1] = 0; /* reserved */ |
| 2872 | tmpbuf[2] = 0; /* reserved */ |
| 2873 | tmpbuf[3] = 0; /* reserved */ |
| 2874 | tmpbuf[4] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ |
| 2875 | if (object_version >= 1) { /* The 'checksumModel' field is valid only if objectVersion >= 1 */ |
| 2876 | switch (linmessage.linDataByteTimestampEvent.linMessageDescriptor.checksumModel) { |
| 2877 | case 0: |
| 2878 | tmpbuf[4] |= 1; /* Classic */ |
| 2879 | break; |
| 2880 | case 1: |
| 2881 | tmpbuf[4] |= 2; /* Enhanced */ |
| 2882 | break; |
| 2883 | default: |
| 2884 | break; |
| 2885 | } |
| 2886 | } |
| 2887 | tmpbuf[5] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.id; /* parity (2bit) | id (6bit) */ |
| 2888 | tmpbuf[6] = (uint8_t)(linmessage.crc & 0xff); /* checksum */ |
| 2889 | tmpbuf[7] = LIN_ERROR_CHECKSUM_ERROR0x08; /* errors */ |
| 2890 | tmpbuf[8] = 0; |
| 2891 | tmpbuf[9] = 0; |
| 2892 | tmpbuf[10] = 0; |
| 2893 | tmpbuf[11] = 0; |
| 2894 | |
| 2895 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2896 | ws_buffer_append(¶ms->rec->data, linmessage.data, payload_length); |
| 2897 | len = sizeof(tmpbuf) + payload_length; |
| 2898 | |
| 2899 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.linDataByteTimestampEvent.linMessageDescriptor.linSynchFieldEvent.linBusEvent.channel, UINT16_MAX(65535), len, len); |
| 2900 | blf_add_direction_option(params, linmessage.dir); |
| 2901 | |
| 2902 | return true1; |
| 2903 | } |
| 2904 | |
| 2905 | static bool_Bool |
| 2906 | blf_read_linrcverror2(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, uint16_t object_version) { |
| 2907 | blf_linrcverror2_t linmessage; |
| 2908 | |
| 2909 | uint8_t payload_length; |
| 2910 | unsigned len; |
| 2911 | |
| 2912 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { |
| 2913 | *err = WTAP_ERR_BAD_FILE-13; |
| 2914 | *err_info = ws_strdup("blf: LIN_RCV_ERROR2: not enough bytes for linrcverror2 in object")wmem_strdup(((void*)0), "blf: LIN_RCV_ERROR2: not enough bytes for linrcverror2 in object" ); |
| 2915 | ws_debug("not enough bytes for linrcverror2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2915, __func__, "not enough bytes for linrcverror2 in object" ); } } while (0); |
| 2916 | return false0; |
| 2917 | } |
| 2918 | |
| 2919 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { |
| 2920 | ws_debug("not enough bytes for linrcverror2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2920, __func__, "not enough bytes for linrcverror2 in file" ); } } while (0); |
| 2921 | return false0; |
| 2922 | } |
| 2923 | fix_endianness_blf_linrcverror2(&linmessage); |
| 2924 | |
| 2925 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc &= 0x0f; |
| 2926 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.id &= 0x3f; |
| 2927 | |
| 2928 | if (linmessage.hasDataBytes) { |
| 2929 | payload_length = MIN(linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc, 8)(((linmessage.linDataByteTimestampEvent.linMessageDescriptor. dlc) < (8)) ? (linmessage.linDataByteTimestampEvent.linMessageDescriptor .dlc) : (8)); |
| 2930 | } else { |
| 2931 | payload_length = 0; |
| 2932 | } |
| 2933 | |
| 2934 | uint8_t tmpbuf[12]; |
| 2935 | tmpbuf[0] = 1; /* message format rev = 1 */ |
| 2936 | tmpbuf[1] = 0; /* reserved */ |
| 2937 | tmpbuf[2] = 0; /* reserved */ |
| 2938 | tmpbuf[3] = 0; /* reserved */ |
| 2939 | tmpbuf[4] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ |
| 2940 | if (object_version >= 1) { /* The 'checksumModel' field is valid only if objectVersion >= 1 */ |
| 2941 | switch (linmessage.linDataByteTimestampEvent.linMessageDescriptor.checksumModel) { |
| 2942 | case 0: |
| 2943 | tmpbuf[4] |= 1; /* Classic */ |
| 2944 | break; |
| 2945 | case 1: |
| 2946 | tmpbuf[4] |= 2; /* Enhanced */ |
| 2947 | break; |
| 2948 | default: |
| 2949 | break; |
| 2950 | } |
| 2951 | } |
| 2952 | tmpbuf[5] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.id; /* parity (2bit) | id (6bit) */ |
| 2953 | tmpbuf[6] = 0; /* checksum */ |
| 2954 | /* XXX - This object can represent many different error types. |
| 2955 | * For now we always treat it as framing error, |
| 2956 | * but in the future we should expand it. */ |
| 2957 | tmpbuf[7] = LIN_ERROR_FRAMING_ERROR0x02; /* errors */ |
| 2958 | tmpbuf[8] = 0; |
| 2959 | tmpbuf[9] = 0; |
| 2960 | tmpbuf[10] = 0; |
| 2961 | tmpbuf[11] = 0; |
| 2962 | |
| 2963 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 2964 | if (payload_length > 0) { |
| 2965 | ws_buffer_append(¶ms->rec->data, linmessage.data, payload_length); |
| 2966 | } |
| 2967 | len = sizeof(tmpbuf) + payload_length; |
| 2968 | |
| 2969 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.linDataByteTimestampEvent.linMessageDescriptor.linSynchFieldEvent.linBusEvent.channel, UINT16_MAX(65535), len, len); |
| 2970 | |
| 2971 | return true1; |
| 2972 | } |
| 2973 | |
| 2974 | static bool_Bool |
| 2975 | blf_read_linsenderror2(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, uint16_t object_version) { |
| 2976 | blf_linsenderror2_t linmessage; |
| 2977 | |
| 2978 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) { |
| 2979 | *err = WTAP_ERR_BAD_FILE-13; |
| 2980 | *err_info = ws_strdup("blf: LIN_SND_ERROR2: not enough bytes for linsenderror2 in object")wmem_strdup(((void*)0), "blf: LIN_SND_ERROR2: not enough bytes for linsenderror2 in object" ); |
| 2981 | ws_debug("not enough bytes for linsenderror2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2981, __func__, "not enough bytes for linsenderror2 in object" ); } } while (0); |
| 2982 | return false0; |
| 2983 | } |
| 2984 | |
| 2985 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) { |
| 2986 | ws_debug("not enough bytes for linsenderror2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2986, __func__, "not enough bytes for linsenderror2 in file" ); } } while (0); |
| 2987 | return false0; |
| 2988 | } |
| 2989 | fix_endianness_blf_linsenderror2(&linmessage); |
| 2990 | |
| 2991 | linmessage.linMessageDescriptor.dlc &= 0x0f; |
| 2992 | linmessage.linMessageDescriptor.id &= 0x3f; |
| 2993 | |
| 2994 | uint8_t tmpbuf[12]; |
| 2995 | tmpbuf[0] = 1; /* message format rev = 1 */ |
| 2996 | tmpbuf[1] = 0; /* reserved */ |
| 2997 | tmpbuf[2] = 0; /* reserved */ |
| 2998 | tmpbuf[3] = 0; /* reserved */ |
| 2999 | tmpbuf[4] = linmessage.linMessageDescriptor.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ |
| 3000 | if (object_version >= 1) { /* The 'checksumModel' field is valid only if objectVersion >= 1 */ |
| 3001 | switch (linmessage.linMessageDescriptor.checksumModel) { |
| 3002 | case 0: |
| 3003 | tmpbuf[4] |= 1; /* Classic */ |
| 3004 | break; |
| 3005 | case 1: |
| 3006 | tmpbuf[4] |= 2; /* Enhanced */ |
| 3007 | break; |
| 3008 | default: |
| 3009 | break; |
| 3010 | } |
| 3011 | } |
| 3012 | tmpbuf[5] = linmessage.linMessageDescriptor.id; /* parity (2bit) | id (6bit) */ |
| 3013 | tmpbuf[6] = 0; /* checksum */ |
| 3014 | tmpbuf[7] = LIN_ERROR_NO_SLAVE_RESPONSE0x01; /* errors */ |
| 3015 | tmpbuf[8] = 0; |
| 3016 | tmpbuf[9] = 0; |
| 3017 | tmpbuf[10] = 0; |
| 3018 | tmpbuf[11] = 0; |
| 3019 | |
| 3020 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 3021 | |
| 3022 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.linMessageDescriptor.linSynchFieldEvent.linBusEvent.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); |
| 3023 | |
| 3024 | return true1; |
| 3025 | } |
| 3026 | |
| 3027 | static bool_Bool |
| 3028 | blf_read_linwakeupevent2(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 3029 | blf_linwakeupevent2_t linevent; |
| 3030 | |
| 3031 | if (object_length < (data_start - block_start) + (int)sizeof(linevent)) { |
| 3032 | *err = WTAP_ERR_BAD_FILE-13; |
| 3033 | *err_info = ws_strdup("blf: LIN_WAKEUP2: not enough bytes for linwakeup2 in object")wmem_strdup(((void*)0), "blf: LIN_WAKEUP2: not enough bytes for linwakeup2 in object" ); |
| 3034 | ws_debug("not enough bytes for linwakeup2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3034, __func__, "not enough bytes for linwakeup2 in object" ); } } while (0); |
| 3035 | return false0; |
| 3036 | } |
| 3037 | |
| 3038 | if (!blf_read_bytes(params, data_start, &linevent, sizeof(linevent), err, err_info)) { |
| 3039 | ws_debug("not enough bytes for linwakeup2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3039, __func__, "not enough bytes for linwakeup2 in file"); } } while (0); |
| 3040 | return false0; |
| 3041 | } |
| 3042 | fix_endianness_blf_linwakeupevent2(&linevent); |
| 3043 | |
| 3044 | uint8_t tmpbuf[12]; /* LIN events have a fixed length of 12 bytes */ |
| 3045 | tmpbuf[0] = 1; /* message format rev = 1 */ |
| 3046 | tmpbuf[1] = 0; /* reserved */ |
| 3047 | tmpbuf[2] = 0; /* reserved */ |
| 3048 | tmpbuf[3] = 0; /* reserved */ |
| 3049 | tmpbuf[4] = 3 << 2; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ |
| 3050 | tmpbuf[5] = 0; /* parity (2bit) | id (6bit) */ |
| 3051 | tmpbuf[6] = 0; /* checksum */ |
| 3052 | tmpbuf[7] = 0; /* errors */ |
| 3053 | |
| 3054 | /* Wake-up event */ |
| 3055 | tmpbuf[8] = 0xB0; |
| 3056 | tmpbuf[9] = 0xB0; |
| 3057 | tmpbuf[10] = 0x00; |
| 3058 | tmpbuf[11] = 0x04; |
| 3059 | |
| 3060 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 3061 | |
| 3062 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linevent.linBusEvent.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); |
| 3063 | |
| 3064 | return true1; |
| 3065 | } |
| 3066 | |
| 3067 | static bool_Bool |
| 3068 | blf_read_linsleepmodeevent(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 3069 | blf_linsleepmodeevent_t linevent; |
| 3070 | |
| 3071 | if (object_length < (data_start - block_start) + (int)sizeof(linevent)) { |
| 3072 | *err = WTAP_ERR_BAD_FILE-13; |
| 3073 | *err_info = ws_strdup("blf: LIN_SLEEP: not enough bytes for linsleep in object")wmem_strdup(((void*)0), "blf: LIN_SLEEP: not enough bytes for linsleep in object" ); |
| 3074 | ws_debug("not enough bytes for linsleep in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3074, __func__, "not enough bytes for linsleep in object"); } } while (0); |
| 3075 | return false0; |
| 3076 | } |
| 3077 | |
| 3078 | if (!blf_read_bytes(params, data_start, &linevent, sizeof(linevent), err, err_info)) { |
| 3079 | ws_debug("not enough bytes for linsleep in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3079, __func__, "not enough bytes for linsleep in file"); } } while (0); |
| 3080 | return false0; |
| 3081 | } |
| 3082 | linevent.channel = GUINT16_FROM_LE(linevent.channel)(((guint16) (linevent.channel))); |
| 3083 | |
| 3084 | uint8_t tmpbuf[12]; /* LIN events have a fixed length of 12 bytes */ |
| 3085 | tmpbuf[0] = 1; /* message format rev = 1 */ |
| 3086 | tmpbuf[1] = 0; /* reserved */ |
| 3087 | tmpbuf[2] = 0; /* reserved */ |
| 3088 | tmpbuf[3] = 0; /* reserved */ |
| 3089 | tmpbuf[4] = 3 << 2; /* dlc (4bit) | type (2bit) | checksum type (2bit) */ |
| 3090 | tmpbuf[5] = 0; /* parity (2bit) | id (6bit) */ |
| 3091 | tmpbuf[6] = 0; /* checksum */ |
| 3092 | tmpbuf[7] = 0; /* errors */ |
| 3093 | |
| 3094 | switch (linevent.reason) { |
| 3095 | case BLF_LIN_SLEEP_REASON_GO_TO_SLEEP_FRAME1: |
| 3096 | /* Go-to-Sleep event by Go-to-Sleep frame */ |
| 3097 | tmpbuf[8] = 0xB0; |
| 3098 | tmpbuf[9] = 0xB0; |
| 3099 | tmpbuf[10] = 0x00; |
| 3100 | tmpbuf[11] = 0x01; |
| 3101 | break; |
| 3102 | case BLF_LIN_SLEEP_REASON_BUS_IDLE_TIMEOUT2: |
| 3103 | case BLF_LIN_SLEEP_REASON_SILENT_SLEEPMODE_CMD3: |
| 3104 | /* Go-to-Sleep event by Inactivity for more than 4s */ |
| 3105 | tmpbuf[8] = 0xB0; |
| 3106 | tmpbuf[9] = 0xB0; |
| 3107 | tmpbuf[10] = 0x00; |
| 3108 | tmpbuf[11] = 0x02; |
| 3109 | break; |
| 3110 | case BLF_LIN_WU_REASON_EXTERNAL_WAKEUP_SIG9: |
| 3111 | case BLF_LIN_WU_REASON_INTERNAL_WAKEUP_SIG10: |
| 3112 | case BLF_LIN_WU_REASON_BUS_TRAFFIC11: /* There's no "wake-up by bus traffic" event in the LIN packet. */ |
| 3113 | /* Wake-up event by Wake-up signal */ |
| 3114 | tmpbuf[8] = 0xB0; |
| 3115 | tmpbuf[9] = 0xB0; |
| 3116 | tmpbuf[10] = 0x00; |
| 3117 | tmpbuf[11] = 0x04; |
| 3118 | break; |
| 3119 | case BLF_LIN_WU_SLEEP_REASON_START_STATE0: |
| 3120 | case BLF_LIN_NO_SLEEP_REASON_BUS_TRAFFIC18: |
| 3121 | /* If we're just reporting on the initial state, |
| 3122 | * or the interface doesn't want to go to sleep, |
| 3123 | * report the current state as "event". */ |
| 3124 | if (linevent.flags & 0x2) { |
| 3125 | /* Wake-up event by Wake-up signal */ |
| 3126 | tmpbuf[8] = 0xB0; |
| 3127 | tmpbuf[9] = 0xB0; |
| 3128 | tmpbuf[10] = 0x00; |
| 3129 | tmpbuf[11] = 0x04; |
| 3130 | } else { |
| 3131 | /* Go-to-Sleep event by Inactivity for more than 4s */ |
| 3132 | tmpbuf[8] = 0xB0; |
| 3133 | tmpbuf[9] = 0xB0; |
| 3134 | tmpbuf[10] = 0x00; |
| 3135 | tmpbuf[11] = 0x02; |
| 3136 | } |
| 3137 | break; |
| 3138 | default: |
| 3139 | tmpbuf[8] = 0x00; |
| 3140 | tmpbuf[9] = 0x00; |
| 3141 | tmpbuf[10] = 0x00; |
| 3142 | tmpbuf[11] = 0x00; |
| 3143 | break; |
| 3144 | } |
| 3145 | |
| 3146 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 3147 | |
| 3148 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linevent.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf)); |
| 3149 | |
| 3150 | return true1; |
| 3151 | } |
| 3152 | |
| 3153 | static bool_Bool |
| 3154 | blf_parse_xml_port(const xmlChar* str, char** name, uint16_t* hwchannel, bool_Bool* simulated) { |
| 3155 | static const char name_magic[] = "name="; |
| 3156 | static const char hwchannel_magic[] = "hwchannel="; |
| 3157 | static const char simulated_magic[] = "simulated="; |
| 3158 | |
| 3159 | if (str == NULL((void*)0)) return false0; |
| 3160 | |
| 3161 | char** tokens = g_strsplit_set((const char*)str, ";", -1); |
| 3162 | if (tokens == NULL((void*)0)) { |
| 3163 | ws_debug("cannot split XML port data")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3163, __func__, "cannot split XML port data"); } } while (0 ); |
| 3164 | return false0; |
| 3165 | } |
| 3166 | |
| 3167 | for (int i = 0; tokens[i] != NULL((void*)0); i++) { |
| 3168 | const char* token = tokens[i]; |
| 3169 | if (name && strncmp(token, name_magic, strlen(name_magic)) == 0) { |
| 3170 | if (*name == NULL((void*)0)) { /* Avoid memory leak in case of repeated names */ |
| 3171 | *name = ws_strdup(token + strlen(name_magic))wmem_strdup(((void*)0), token + strlen(name_magic)); |
| 3172 | } |
| 3173 | } else if (hwchannel && strncmp(token, hwchannel_magic, strlen(hwchannel_magic)) == 0) { |
| 3174 | if (!ws_strtou16(token + strlen(hwchannel_magic), NULL((void*)0), hwchannel)) { |
| 3175 | *hwchannel = UINT16_MAX(65535); |
| 3176 | } |
| 3177 | } else if (simulated && strncmp(token, simulated_magic, strlen(simulated_magic)) == 0) { |
| 3178 | if (strlen(token) > strlen(simulated_magic) && token[strlen(simulated_magic)] != '0') { |
| 3179 | *simulated = true1; /* TODO: Find a way to use this information */ |
| 3180 | } |
| 3181 | } |
| 3182 | } |
| 3183 | |
| 3184 | g_strfreev(tokens); |
| 3185 | |
| 3186 | return true1; |
| 3187 | } |
| 3188 | |
| 3189 | static int |
| 3190 | blf_get_xml_pkt_encap(const xmlChar* str) { |
| 3191 | if (str == NULL((void*)0)) return 0; |
| 3192 | |
| 3193 | if (xmlStrcmp(str, (const xmlChar*)"CAN") == 0) { |
| 3194 | return WTAP_ENCAP_SOCKETCAN125; |
| 3195 | } |
| 3196 | if (xmlStrcmp(str, (const xmlChar*)"FlexRay") == 0) { |
| 3197 | return WTAP_ENCAP_FLEXRAY106; |
| 3198 | } |
| 3199 | if (xmlStrcmp(str, (const xmlChar*)"LIN") == 0) { |
| 3200 | return WTAP_ENCAP_LIN107; |
| 3201 | } |
| 3202 | if (xmlStrcmp(str, (const xmlChar*)"Ethernet") == 0) { |
| 3203 | return WTAP_ENCAP_ETHERNET1; |
| 3204 | } |
| 3205 | if (xmlStrcmp(str, (const xmlChar*)"WLAN") == 0) { /* Not confirmed with a real capture */ |
| 3206 | return WTAP_ENCAP_IEEE_802_1120; |
| 3207 | } |
| 3208 | |
| 3209 | return WTAP_ENCAP_UNKNOWN0; |
| 3210 | } |
| 3211 | |
| 3212 | |
| 3213 | /** Extracts the channel and port names from a channels XML. |
| 3214 | * |
| 3215 | * A sample channels XML looks like this: |
| 3216 | * |
| 3217 | * <?xml version="1.0" encoding="UTF-8"?> |
| 3218 | * <channels version="1"> |
| 3219 | * <channel number="1" type="CAN" network="CAN01"> |
| 3220 | * <databases> |
| 3221 | * <database file="DB.arxml" path="C:\...\" cluster="CAN01" /> |
| 3222 | * <database file="DB.dbc" path="C:\...\" cluster="General" /> |
| 3223 | * </databases> |
| 3224 | * </channel> |
| 3225 | * <channel number="1" type="LIN" network="LIN01"> |
| 3226 | * <databases> |
| 3227 | * <database file="DB.dbc" path="C:\...\" cluster="General" /> |
| 3228 | * <database file="DB.ldf" path="C:\...\" cluster="LIN01" /> |
| 3229 | * </databases> |
| 3230 | * </channel> |
| 3231 | * <channel number="1" type="Ethernet" network="ETH01"> |
| 3232 | * <databases> |
| 3233 | * <database file="DB.dbc" path="C:\...\" cluster="General" /> |
| 3234 | * </databases> |
| 3235 | * <channel_properties> |
| 3236 | * <elist name="ports"> |
| 3237 | * <eli name="port">name=Port1;hwchannel=11;simulated=1</eli> |
| 3238 | * <eli name="port">name=Port2;hwchannel=12;simulated=0</eli> |
| 3239 | * </elist> |
| 3240 | * </channel_properties> |
| 3241 | * </channel> |
| 3242 | * </channels> |
| 3243 | */ |
| 3244 | static bool_Bool |
| 3245 | blf_set_xml_channels(blf_params_t* params, const char* text, size_t len) { |
| 3246 | xmlDocPtr doc; |
| 3247 | xmlNodePtr root_element = NULL((void*)0); |
| 3248 | xmlNodePtr channels = NULL((void*)0); |
| 3249 | |
| 3250 | if (text == NULL((void*)0)) return false0; |
| 3251 | |
| 3252 | /* Now it can be parsed into a proper structure */ |
| 3253 | doc = xmlParseMemory(text, (int)len); |
| 3254 | if (doc == NULL((void*)0)) { |
| 3255 | ws_debug("invalid xml found")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3255, __func__, "invalid xml found"); } } while (0); |
| 3256 | return false0; |
| 3257 | } |
| 3258 | |
| 3259 | root_element = xmlDocGetRootElement(doc); |
| 3260 | if (root_element == NULL((void*)0)) { |
| 3261 | ws_debug("empty xml doc")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3261, __func__, "empty xml doc"); } } while (0); |
| 3262 | xmlFreeDoc(doc); |
| 3263 | return false0; |
| 3264 | } |
| 3265 | |
| 3266 | if (xmlStrcmp(root_element->name, (const xmlChar*)"channels") == 0) { |
| 3267 | channels = root_element; |
| 3268 | } else { |
| 3269 | for (xmlNodePtr cur = root_element->children; cur != NULL((void*)0); cur = cur->next) { |
| 3270 | if (cur->type == XML_ELEMENT_NODE && xmlStrcmp(cur->name, (const xmlChar*)"channels") == 0) { |
| 3271 | channels = cur; |
| 3272 | break; |
| 3273 | } |
| 3274 | } |
| 3275 | } |
| 3276 | |
| 3277 | if (channels == NULL((void*)0)) { |
| 3278 | ws_debug("No channels found")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3278, __func__, "No channels found"); } } while (0); |
| 3279 | xmlFreeDoc(doc); |
| 3280 | return false0; |
| 3281 | } |
| 3282 | |
| 3283 | for (xmlNodePtr current_channel_node = channels->children; current_channel_node != NULL((void*)0); current_channel_node = current_channel_node->next) { |
| 3284 | if ((current_channel_node->type == XML_ELEMENT_NODE) && (xmlStrcmp(current_channel_node->name, (const xmlChar*)"channel") == 0)) { |
| 3285 | /* Reset the found attributes */ |
| 3286 | int pkt_encap = WTAP_ENCAP_UNKNOWN0; |
| 3287 | uint16_t channel = UINT16_MAX(65535); |
| 3288 | char* channel_name = NULL((void*)0); |
| 3289 | |
| 3290 | for (xmlAttrPtr attr = current_channel_node->properties; attr; attr = attr->next) { |
| 3291 | if (xmlStrcmp(attr->name, (const xmlChar*)"number") == 0) { |
| 3292 | xmlChar* str_channel = xmlNodeListGetString(current_channel_node->doc, attr->children, 1); |
| 3293 | if (str_channel != NULL((void*)0)) { |
| 3294 | ws_strtou16((const char*)str_channel, NULL((void*)0), &channel); |
| 3295 | xmlFree(str_channel); |
| 3296 | } |
| 3297 | } else if (xmlStrcmp(attr->name, (const xmlChar*)"type") == 0) { |
| 3298 | xmlChar* str_type = xmlNodeListGetString(current_channel_node->doc, attr->children, 1); |
| 3299 | if (str_type != NULL((void*)0)) { |
| 3300 | pkt_encap = blf_get_xml_pkt_encap(str_type); |
| 3301 | xmlFree(str_type); |
| 3302 | } |
| 3303 | } else if (xmlStrcmp(attr->name, (const xmlChar*)"network") == 0) { |
| 3304 | xmlChar* str_network = xmlNodeListGetString(current_channel_node->doc, attr->children, 1); |
| 3305 | if (str_network != NULL((void*)0)) { |
| 3306 | if (channel_name == NULL((void*)0)) { |
| 3307 | channel_name = ws_strdup((const char*)str_network)wmem_strdup(((void*)0), (const char*)str_network); |
| 3308 | } |
| 3309 | xmlFree(str_network); |
| 3310 | } |
| 3311 | } |
| 3312 | } |
| 3313 | |
| 3314 | if (pkt_encap != WTAP_ENCAP_UNKNOWN0 && channel != UINT16_MAX(65535) && channel_name != NULL((void*)0)) { |
| 3315 | ws_debug("Found channel in XML: PKT_ENCAP: %d, ID: %u, name: %s", pkt_encap, channel, channel_name)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3315, __func__, "Found channel in XML: PKT_ENCAP: %d, ID: %u, name: %s" , pkt_encap, channel, channel_name); } } while (0); |
| 3316 | blf_prepare_interface_name(params, pkt_encap, channel, UINT16_MAX(65535), channel_name, true1); |
| 3317 | |
| 3318 | /* Look for ports under the channel properties */ |
| 3319 | for (xmlNodePtr channel_property = current_channel_node->children; channel_property != NULL((void*)0); channel_property = channel_property->next) { |
| 3320 | if ((channel_property->type == XML_ELEMENT_NODE) && (xmlStrcmp(channel_property->name, (const xmlChar*)"channel_properties") == 0)) { |
| 3321 | for (xmlNodePtr prop_child = channel_property->children; prop_child != NULL((void*)0); prop_child = prop_child->next) { |
| 3322 | if (prop_child->type == XML_ELEMENT_NODE && xmlStrcmp(prop_child->name, (const xmlChar*)"elist") == 0) { |
| 3323 | xmlNodePtr elist_node = prop_child; |
| 3324 | xmlChar* str_name = xmlGetProp(elist_node, (const xmlChar*)"name"); |
| 3325 | if (xmlStrcmp(str_name, (const xmlChar*)"ports") == 0) { |
| 3326 | for (xmlNodePtr eli_node = elist_node->children; eli_node != NULL((void*)0); eli_node = eli_node->next) { |
| 3327 | if (eli_node->type == XML_ELEMENT_NODE && xmlStrcmp(eli_node->name, (const xmlChar*)"eli") == 0) { |
| 3328 | xmlChar* eli_name_attr = xmlGetProp(eli_node, (const xmlChar*)"name"); |
| 3329 | if (xmlStrcmp(eli_name_attr, (const xmlChar*)"port") == 0) { |
| 3330 | char* port_name = NULL((void*)0); |
| 3331 | uint16_t hwchannel = UINT16_MAX(65535); |
| 3332 | bool_Bool simulated = false0; |
| 3333 | char* iface_name = NULL((void*)0); |
| 3334 | xmlChar* eli_content = xmlNodeGetContent(eli_node); |
| 3335 | |
| 3336 | bool_Bool res = blf_parse_xml_port(eli_content, &port_name, &hwchannel, &simulated); |
| 3337 | if (res && port_name != NULL((void*)0) && hwchannel != UINT16_MAX(65535)) { |
| 3338 | iface_name = ws_strdup_printf("%s::%s", channel_name, port_name)wmem_strdup_printf(((void*)0), "%s::%s", channel_name, port_name ); |
| 3339 | ws_debug("Found channel in XML: PKT_ENCAP: %d, ID: %u, HW ID: %u, name: %s", pkt_encap, channel, hwchannel, iface_name)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3339, __func__, "Found channel in XML: PKT_ENCAP: %d, ID: %u, HW ID: %u, name: %s" , pkt_encap, channel, hwchannel, iface_name); } } while (0); |
| 3340 | blf_prepare_interface_name(params, pkt_encap, channel, hwchannel, iface_name, true1); |
| 3341 | g_free(iface_name)(__builtin_object_size ((iface_name), 0) != ((size_t) - 1)) ? g_free_sized (iface_name, __builtin_object_size ((iface_name ), 0)) : (g_free) (iface_name); |
| 3342 | } else { |
| 3343 | ws_debug("port with missing or malformed info found in xml")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3343, __func__, "port with missing or malformed info found in xml" ); } } while (0); |
| 3344 | } |
| 3345 | g_free(port_name)(__builtin_object_size ((port_name), 0) != ((size_t) - 1)) ? g_free_sized (port_name, __builtin_object_size ((port_name), 0)) : (g_free ) (port_name); |
| 3346 | xmlFree(eli_content); |
| 3347 | } |
| 3348 | xmlFree(eli_name_attr); |
| 3349 | } |
| 3350 | } |
| 3351 | } |
| 3352 | xmlFree(str_name); |
| 3353 | } |
| 3354 | } |
| 3355 | } |
| 3356 | } |
| 3357 | } |
| 3358 | g_free(channel_name)(__builtin_object_size ((channel_name), 0) != ((size_t) - 1)) ? g_free_sized (channel_name, __builtin_object_size ((channel_name ), 0)) : (g_free) (channel_name); |
| 3359 | } |
| 3360 | } |
| 3361 | |
| 3362 | xmlFreeDoc(doc); |
| 3363 | return true1; |
| 3364 | } |
| 3365 | |
| 3366 | static int |
| 3367 | blf_read_apptextmessage(blf_params_t *params, int *err, char **err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, blf_metadata_info_t* metadata_info) { |
| 3368 | blf_apptext_t apptextheader; |
| 3369 | |
| 3370 | if (object_length < (data_start - block_start) + (int)sizeof(apptextheader)) { |
| 3371 | *err = WTAP_ERR_BAD_FILE-13; |
| 3372 | *err_info = ws_strdup("blf: APP_TEXT: not enough bytes for apptext header in object")wmem_strdup(((void*)0), "blf: APP_TEXT: not enough bytes for apptext header in object" ); |
| 3373 | ws_debug("not enough bytes for apptext header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3373, __func__, "not enough bytes for apptext header in object" ); } } while (0); |
| 3374 | return BLF_APPTEXT_FAILED0x000000FF; |
| 3375 | } |
| 3376 | |
| 3377 | if (!blf_read_bytes(params, data_start, &apptextheader, sizeof(apptextheader), err, err_info)) { |
| 3378 | ws_debug("not enough bytes for apptext header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3378, __func__, "not enough bytes for apptext header in file" ); } } while (0); |
| 3379 | return BLF_APPTEXT_FAILED0x000000FF; |
| 3380 | } |
| 3381 | fix_endianness_blf_apptext_header(&apptextheader); |
| 3382 | |
| 3383 | if (metadata_info->valid && apptextheader.source != BLF_APPTEXT_METADATA0x00000002) { |
| 3384 | /* If we're in the middle of a sequence of metadata objects, |
| 3385 | * but we get an AppText object from another source, |
| 3386 | * skip the previously incomplete object and start fresh. |
| 3387 | */ |
| 3388 | metadata_info->valid = false0; |
| 3389 | } |
| 3390 | |
| 3391 | /* Add an extra byte for a terminating '\0' */ |
| 3392 | char* text = g_try_malloc((size_t)apptextheader.textLength + 1); |
| 3393 | if (text == NULL((void*)0)) { |
| 3394 | ws_debug("cannot allocate memory")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3394, __func__, "cannot allocate memory"); } } while (0); |
| 3395 | return BLF_APPTEXT_FAILED0x000000FF; |
| 3396 | } |
| 3397 | |
| 3398 | if (!blf_read_bytes(params, data_start + sizeof(apptextheader), text, apptextheader.textLength, err, err_info)) { |
| 3399 | ws_debug("not enough bytes for apptext text in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3399, __func__, "not enough bytes for apptext text in file" ); } } while (0); |
| 3400 | g_free(text)(__builtin_object_size ((text), 0) != ((size_t) - 1)) ? g_free_sized (text, __builtin_object_size ((text), 0)) : (g_free) (text); |
| 3401 | return BLF_APPTEXT_FAILED0x000000FF; |
| 3402 | } |
| 3403 | text[apptextheader.textLength] = '\0'; /* Here's the '\0' */ |
| 3404 | |
| 3405 | switch (apptextheader.source) { |
| 3406 | case BLF_APPTEXT_CHANNEL0x00000001: |
| 3407 | { |
| 3408 | |
| 3409 | /* returns a NULL terminated array of NULL terminates strings */ |
| 3410 | char** tokens = g_strsplit_set(text, ";", -1); |
| 3411 | |
| 3412 | if (tokens == NULL((void*)0) || tokens[0] == NULL((void*)0) || tokens[1] == NULL((void*)0)) { |
| 3413 | if (tokens != NULL((void*)0)) { |
| 3414 | g_strfreev(tokens); |
| 3415 | } |
| 3416 | g_free(text)(__builtin_object_size ((text), 0) != ((size_t) - 1)) ? g_free_sized (text, __builtin_object_size ((text), 0)) : (g_free) (text); |
| 3417 | return BLF_APPTEXT_CHANNEL0x00000001; |
| 3418 | } |
| 3419 | |
| 3420 | uint16_t channel = (apptextheader.reservedAppText1 >> 8) & 0xff; |
| 3421 | int pkt_encap; |
| 3422 | |
| 3423 | switch ((apptextheader.reservedAppText1 >> 16) & 0xff) { |
| 3424 | case BLF_BUSTYPE_CAN1: |
| 3425 | pkt_encap = WTAP_ENCAP_SOCKETCAN125; |
| 3426 | break; |
| 3427 | |
| 3428 | case BLF_BUSTYPE_FLEXRAY7: |
| 3429 | pkt_encap = WTAP_ENCAP_FLEXRAY106; |
| 3430 | break; |
| 3431 | |
| 3432 | case BLF_BUSTYPE_LIN5: |
| 3433 | pkt_encap = WTAP_ENCAP_LIN107; |
| 3434 | break; |
| 3435 | |
| 3436 | case BLF_BUSTYPE_ETHERNET11: |
| 3437 | pkt_encap = WTAP_ENCAP_ETHERNET1; |
| 3438 | break; |
| 3439 | |
| 3440 | case BLF_BUSTYPE_WLAN13: |
| 3441 | pkt_encap = WTAP_ENCAP_IEEE_802_1120; |
| 3442 | break; |
| 3443 | |
| 3444 | default: |
| 3445 | pkt_encap = WTAP_ENCAP_UNKNOWN0; |
| 3446 | break; |
| 3447 | } |
| 3448 | |
| 3449 | if (pkt_encap != WTAP_ENCAP_UNKNOWN0) { |
| 3450 | /* we use lookup to create interface, if not existing yet */ |
| 3451 | blf_prepare_interface_name(params, pkt_encap, channel, UINT16_MAX(65535), tokens[1], false0); |
| 3452 | } |
| 3453 | |
| 3454 | g_strfreev(tokens); |
| 3455 | g_free(text)(__builtin_object_size ((text), 0) != ((size_t) - 1)) ? g_free_sized (text, __builtin_object_size ((text), 0)) : (g_free) (text); |
| 3456 | return BLF_APPTEXT_CHANNEL0x00000001; |
| 3457 | } |
| 3458 | case BLF_APPTEXT_METADATA0x00000002: |
| 3459 | if (metadata_info->valid) { |
| 3460 | /* Set the buffer pointer to the end of the previous object */ |
| 3461 | params->rec->data.first_free = metadata_info->metadata_cont; |
| 3462 | } else { |
| 3463 | /* First object of a sequence of one or more */ |
| 3464 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_DISSECTOR_NAME12, BLF_APPTEXT_TAG_DISS_DEFAULT"data-text-lines"); |
| 3465 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_PROT_TEXT33, BLF_APPTEXT_COL_PROT_TEXT"BLF App text"); |
| 3466 | switch (((apptextheader.reservedAppText1 >> 24) & 0xff)) { |
| 3467 | case BLF_APPTEXT_XML_GENERAL0x01: |
| 3468 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, BLF_APPTEXT_COL_INFO_TEXT_GENERAL"Metadata: General"); |
| 3469 | break; |
| 3470 | |
| 3471 | case BLF_APPTEXT_XML_CHANNELS0x02: |
| 3472 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, BLF_APPTEXT_COL_INFO_TEXT_CHANNELS"Metadata: Channels"); |
| 3473 | break; |
| 3474 | |
| 3475 | case BLF_APPTEXT_XML_IDENTITY0x03: |
| 3476 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, BLF_APPTEXT_COL_INFO_TEXT_IDENTITY"Metadata: Identity"); |
| 3477 | break; |
| 3478 | |
| 3479 | default: |
| 3480 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, BLF_APPTEXT_COL_INFO_TEXT"Metadata"); |
| 3481 | } |
| 3482 | wtap_buffer_append_epdu_end(¶ms->rec->data); |
| 3483 | metadata_info->payload_start = params->rec->data.first_free; |
| 3484 | } |
| 3485 | |
| 3486 | ws_buffer_append(¶ms->rec->data, (const uint8_t*)text, apptextheader.textLength); |
| 3487 | g_free(text)(__builtin_object_size ((text), 0) != ((size_t) - 1)) ? g_free_sized (text, __builtin_object_size ((text), 0)) : (g_free) (text); |
| 3488 | |
| 3489 | if ((apptextheader.reservedAppText1 & 0x00ffffff) > apptextheader.textLength) { |
| 3490 | /* Continues in the next object */ |
| 3491 | return BLF_APPTEXT_CONT0x000000FE; |
| 3492 | } |
| 3493 | |
| 3494 | if (((apptextheader.reservedAppText1 >> 24) & 0xff) == BLF_APPTEXT_XML_CHANNELS0x02) { |
| 3495 | blf_set_xml_channels(params, (const char*)(params->rec->data.data + metadata_info->payload_start), params->rec->data.first_free - metadata_info->payload_start); |
| 3496 | } |
| 3497 | |
| 3498 | /* Override the timestamp with 0 for metadata objects. Thay can only occur at the beginning of the file, and they usually already have a timestamp of 0. */ |
| 3499 | blf_init_rec(params, 0, 0, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, 0, UINT16_MAX(65535), (uint32_t)ws_buffer_length(¶ms->rec->data), (uint32_t)ws_buffer_length(¶ms->rec->data)); |
| 3500 | return BLF_APPTEXT_METADATA0x00000002; |
| 3501 | case BLF_APPTEXT_COMMENT0x00000000: |
| 3502 | case BLF_APPTEXT_ATTACHMENT0x00000003: |
| 3503 | case BLF_APPTEXT_TRACELINE0x00000004: |
| 3504 | { |
| 3505 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_DISSECTOR_NAME12, BLF_APPTEXT_TAG_DISS_DEFAULT"data-text-lines"); |
| 3506 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_PROT_TEXT33, BLF_APPTEXT_COL_PROT_TEXT"BLF App text"); |
| 3507 | |
| 3508 | char* info_line = NULL((void*)0); |
| 3509 | switch (apptextheader.source) { |
| 3510 | case BLF_APPTEXT_COMMENT0x00000000: |
| 3511 | info_line = ws_strdup_printf("Comment: %s", text)wmem_strdup_printf(((void*)0), "Comment: %s", text); |
| 3512 | break; |
| 3513 | case BLF_APPTEXT_ATTACHMENT0x00000003: |
| 3514 | info_line = ws_strdup_printf("Attachment: %s", text)wmem_strdup_printf(((void*)0), "Attachment: %s", text); |
| 3515 | break; |
| 3516 | case BLF_APPTEXT_TRACELINE0x00000004: |
| 3517 | info_line = ws_strdup_printf("Trace line%s: %s", (apptextheader.reservedAppText1 & 0x00000010) ? "" : " (hidden)", text)wmem_strdup_printf(((void*)0), "Trace line%s: %s", (apptextheader .reservedAppText1 & 0x00000010) ? "" : " (hidden)", text); |
| 3518 | break; |
| 3519 | default: |
| 3520 | ws_assert_not_reached()ws_log_fatal_full("Wiretap", LOG_LEVEL_ERROR, "wiretap/blf.c" , 3520, __func__, "assertion \"not reached\" failed"); |
| 3521 | } |
| 3522 | |
| 3523 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, info_line); |
| 3524 | wtap_buffer_append_epdu_end(¶ms->rec->data); |
| 3525 | |
| 3526 | size_t text_length = strlen(text); /* The string can contain '\0' before textLength bytes */ |
| 3527 | ws_buffer_append(¶ms->rec->data, (const uint8_t*)text, text_length); /* The dissector doesn't need NULL-terminated strings */ |
| 3528 | |
| 3529 | /* We'll write this as a WS UPPER PDU packet with a text blob */ |
| 3530 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, 0, UINT16_MAX(65535), (uint32_t)ws_buffer_length(¶ms->rec->data), (uint32_t)ws_buffer_length(¶ms->rec->data)); |
| 3531 | g_free(text)(__builtin_object_size ((text), 0) != ((size_t) - 1)) ? g_free_sized (text, __builtin_object_size ((text), 0)) : (g_free) (text); |
| 3532 | g_free(info_line)(__builtin_object_size ((info_line), 0) != ((size_t) - 1)) ? g_free_sized (info_line, __builtin_object_size ((info_line), 0)) : (g_free ) (info_line); |
| 3533 | return apptextheader.source; |
| 3534 | } |
| 3535 | default: |
| 3536 | g_free(text)(__builtin_object_size ((text), 0) != ((size_t) - 1)) ? g_free_sized (text, __builtin_object_size ((text), 0)) : (g_free) (text); |
| 3537 | return BLF_APPTEXT_CHANNEL0x00000001; /* Cheat - no block to write */; |
| 3538 | } |
| 3539 | return BLF_APPTEXT_CHANNEL0x00000001; /* Cheat - no block to write */ |
| 3540 | } |
| 3541 | |
| 3542 | static bool_Bool |
| 3543 | blf_read_ethernet_status(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp, uint16_t object_version) { |
| 3544 | blf_ethernet_status_t ethernet_status_header; |
| 3545 | uint8_t tmpbuf[24]; |
| 3546 | uint64_t linkUpDuration; |
| 3547 | |
| 3548 | if (object_length < (data_start - block_start) + (int)sizeof(ethernet_status_header) + (int)(object_version >= 1 ? 8 : 0)) { |
| 3549 | *err = WTAP_ERR_BAD_FILE-13; |
| 3550 | *err_info = ws_strdup("blf: ETHERNET_STATUS: not enough bytes for ethernet status header in object")wmem_strdup(((void*)0), "blf: ETHERNET_STATUS: not enough bytes for ethernet status header in object" ); |
| 3551 | ws_debug("not enough bytes for ethernet status header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3551, __func__, "not enough bytes for ethernet status header in object" ); } } while (0); |
| 3552 | return false0; |
| 3553 | } |
| 3554 | |
| 3555 | if (!blf_read_bytes(params, data_start, ðernet_status_header, sizeof(ethernet_status_header), err, err_info)) { |
| 3556 | ws_debug("not enough bytes for ethernet_status_header header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3556, __func__, "not enough bytes for ethernet_status_header header in file" ); } } while (0); |
| 3557 | return false0; |
| 3558 | } |
| 3559 | |
| 3560 | if (object_version >= 1) { |
| 3561 | if (!blf_read_bytes(params, data_start + sizeof(ethernet_status_header), &linkUpDuration, 8, err, err_info)) { |
| 3562 | ws_debug("not enough bytes for ethernet_status_header header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3562, __func__, "not enough bytes for ethernet_status_header header in file" ); } } while (0); |
| 3563 | return false0; |
| 3564 | } |
| 3565 | linkUpDuration = GUINT64_FROM_LE(linkUpDuration)(((guint64) (linkUpDuration))); |
| 3566 | } |
| 3567 | |
| 3568 | fix_endianness_blf_ethernet_status_header(ðernet_status_header); |
| 3569 | |
| 3570 | phtonu16(tmpbuf, ethernet_status_header.channel); |
| 3571 | phtonu16(tmpbuf + 2, ethernet_status_header.flags); |
| 3572 | tmpbuf[4] = (ethernet_status_header.linkStatus); |
| 3573 | tmpbuf[5] = (ethernet_status_header.ethernetPhy); |
| 3574 | tmpbuf[6] = (ethernet_status_header.duplex); |
| 3575 | tmpbuf[7] = (ethernet_status_header.mdi); |
| 3576 | tmpbuf[8] = (ethernet_status_header.connector); |
| 3577 | tmpbuf[9] = (ethernet_status_header.clockMode); |
| 3578 | tmpbuf[10] = (ethernet_status_header.pairs); |
| 3579 | tmpbuf[11] = (ethernet_status_header.hardwareChannel); |
| 3580 | phtonu32(tmpbuf + 12, ethernet_status_header.bitrate); |
| 3581 | |
| 3582 | if (object_version >= 1) { |
| 3583 | phtonu64(tmpbuf + 16, linkUpDuration); |
| 3584 | } |
| 3585 | |
| 3586 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_DISSECTOR_NAME12, BLF_APPTEXT_TAG_DISS_ETHSTATUS"blf-ethernetstatus-obj"); |
| 3587 | wtap_buffer_append_epdu_end(¶ms->rec->data); |
| 3588 | |
| 3589 | ws_buffer_append(¶ms->rec->data, tmpbuf, (size_t)(object_version >= 1 ? 24 : 16)); |
| 3590 | |
| 3591 | /* We'll write this as a WS UPPER PDU packet with a data blob */ |
| 3592 | /* This will create an interface with the "name" of the matching |
| 3593 | * WTAP_ENCAP_ETHERNET interface with the same channel and hardware |
| 3594 | * channel prefixed with "STATUS" and with a different interface ID, |
| 3595 | * because IDBs in pcapng can only have one linktype. |
| 3596 | * The other option would be to write everything as UPPER_PDU, including |
| 3597 | * the Ethernet data (with one of the "eth_" dissectors.) |
| 3598 | */ |
| 3599 | char* iface_name = ws_strdup_printf("STATUS-ETH-%u-%u", ethernet_status_header.channel, ethernet_status_header.hardwareChannel)wmem_strdup_printf(((void*)0), "STATUS-ETH-%u-%u", ethernet_status_header .channel, ethernet_status_header.hardwareChannel); |
| 3600 | blf_lookup_interface(params, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, ethernet_status_header.channel, ethernet_status_header.hardwareChannel, iface_name); |
| 3601 | g_free(iface_name)(__builtin_object_size ((iface_name), 0) != ((size_t) - 1)) ? g_free_sized (iface_name, __builtin_object_size ((iface_name ), 0)) : (g_free) (iface_name); |
| 3602 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, ethernet_status_header.channel, ethernet_status_header.hardwareChannel, (uint32_t)ws_buffer_length(¶ms->rec->data), (uint32_t)ws_buffer_length(¶ms->rec->data)); |
| 3603 | |
| 3604 | if ((ethernet_status_header.flags & BLF_ETH_STATUS_HARDWARECHANNEL0x0100) == BLF_ETH_STATUS_HARDWARECHANNEL0x0100) { |
| 3605 | /* If HW channel valid */ |
| 3606 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_QUEUE6, ethernet_status_header.hardwareChannel); |
| 3607 | } |
| 3608 | |
| 3609 | return true1; |
| 3610 | } |
| 3611 | |
| 3612 | static bool_Bool |
| 3613 | blf_read_ethernet_phystate(blf_params_t* params, int* err, char** err_info, int64_t block_start, int64_t data_start, int64_t object_length, uint32_t flags, uint64_t object_timestamp) { |
| 3614 | blf_ethernet_phystate_t ethernet_phystate_header; |
| 3615 | uint8_t tmpbuf[8]; |
| 3616 | |
| 3617 | if (object_length < (data_start - block_start) + (int)sizeof(ethernet_phystate_header)) { |
| 3618 | *err = WTAP_ERR_BAD_FILE-13; |
| 3619 | *err_info = ws_strdup("blf: ETHERNET_PHY_STATE: not enough bytes for ethernet phystate header in object")wmem_strdup(((void*)0), "blf: ETHERNET_PHY_STATE: not enough bytes for ethernet phystate header in object" ); |
| 3620 | ws_debug("not enough bytes for ethernet phystate header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3620, __func__, "not enough bytes for ethernet phystate header in object" ); } } while (0); |
| 3621 | return false0; |
| 3622 | } |
| 3623 | |
| 3624 | if (!blf_read_bytes(params, data_start, ðernet_phystate_header, sizeof(ethernet_phystate_header), err, err_info)) { |
| 3625 | ws_debug("not enough bytes for ethernet phystate header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3625, __func__, "not enough bytes for ethernet phystate header in file" ); } } while (0); |
| 3626 | return false0; |
| 3627 | } |
| 3628 | |
| 3629 | fix_endianness_blf_ethernet_phystate_header(ðernet_phystate_header); |
| 3630 | |
| 3631 | phtonu16(tmpbuf, ethernet_phystate_header.channel); |
| 3632 | phtonu16(tmpbuf + 2, ethernet_phystate_header.flags); |
| 3633 | tmpbuf[4] = (ethernet_phystate_header.phyState); |
| 3634 | tmpbuf[5] = (ethernet_phystate_header.phyEvent); |
| 3635 | tmpbuf[6] = (ethernet_phystate_header.hardwareChannel); |
| 3636 | tmpbuf[7] = (ethernet_phystate_header.res1); |
| 3637 | |
| 3638 | wtap_buffer_append_epdu_string(¶ms->rec->data, EXP_PDU_TAG_DISSECTOR_NAME12, BLF_APPTEXT_TAG_DISS_ETHPHYSTATUS"blf-ethernetphystate-obj"); |
| 3639 | wtap_buffer_append_epdu_end(¶ms->rec->data); |
| 3640 | |
| 3641 | ws_buffer_append(¶ms->rec->data, tmpbuf, sizeof(tmpbuf)); |
| 3642 | |
| 3643 | /* We'll write this as a WS UPPER PDU packet with a data blob */ |
| 3644 | /* This will create an interface with the "name" of the matching |
| 3645 | * WTAP_ENCAP_ETHERNET interface with the same channel and hardware |
| 3646 | * channel prefixed with "STATUS" and with a different interface ID, |
| 3647 | * because IDBs in pcapng can only have one linktype. |
| 3648 | * The other option would be to write everything as UPPER_PDU, including |
| 3649 | * the Ethernet data (with one of the "eth_" dissectors.) |
| 3650 | */ |
| 3651 | char* iface_name = ws_strdup_printf("STATUS-ETH-%u-%u", ethernet_phystate_header.channel, ethernet_phystate_header.hardwareChannel)wmem_strdup_printf(((void*)0), "STATUS-ETH-%u-%u", ethernet_phystate_header .channel, ethernet_phystate_header.hardwareChannel); |
| 3652 | blf_lookup_interface(params, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, ethernet_phystate_header.channel, ethernet_phystate_header.hardwareChannel, iface_name); |
| 3653 | g_free(iface_name)(__builtin_object_size ((iface_name), 0) != ((size_t) - 1)) ? g_free_sized (iface_name, __builtin_object_size ((iface_name ), 0)) : (g_free) (iface_name); |
| 3654 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, ethernet_phystate_header.channel, ethernet_phystate_header.hardwareChannel, (uint32_t)ws_buffer_length(¶ms->rec->data), (uint32_t)ws_buffer_length(¶ms->rec->data)); |
| 3655 | |
| 3656 | if ((ethernet_phystate_header.flags & BLF_PHY_STATE_HARDWARECHANNEL0x0004) == BLF_PHY_STATE_HARDWARECHANNEL0x0004) { |
| 3657 | /* If HW channel valid */ |
| 3658 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_QUEUE6, ethernet_phystate_header.hardwareChannel); |
| 3659 | } |
| 3660 | |
| 3661 | return true1; |
| 3662 | } |
| 3663 | |
| 3664 | static bool_Bool |
| 3665 | blf_read_block(blf_params_t *params, int64_t start_pos, int *err, char **err_info) { |
| 3666 | blf_blockheader_t header; |
| 3667 | blf_logobjectheader_t logheader; |
| 3668 | blf_logobjectheader2_t logheader2; |
| 3669 | blf_logobjectheader3_t logheader3; |
| 3670 | uint32_t flags; |
| 3671 | uint64_t object_timestamp; |
| 3672 | uint16_t object_version; |
| 3673 | blf_metadata_info_t metadata_info = { 0, 0, false0 }; |
| 3674 | int64_t last_metadata_start = 0; |
| 3675 | |
| 3676 | while (1) { |
| 3677 | /* Find Object */ |
| 3678 | |
| 3679 | /* Resetting buffer */ |
| 3680 | params->rec->data.first_free = params->rec->data.start; |
| 3681 | |
| 3682 | while (1) { |
| 3683 | if (!blf_read_bytes_or_eof(params, start_pos, &header, sizeof header, err, err_info)) { |
| 3684 | ws_debug("not enough bytes for block header or unsupported file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3684, __func__, "not enough bytes for block header or unsupported file" ); } } while (0); |
| 3685 | if (*err == WTAP_ERR_SHORT_READ-12) { |
| 3686 | /* we have found the end that is not a short read therefore. */ |
| 3687 | *err = 0; |
| 3688 | g_free(*err_info)(__builtin_object_size ((*err_info), 0) != ((size_t) - 1)) ? g_free_sized (*err_info, __builtin_object_size ((*err_info), 0)) : (g_free ) (*err_info); |
| 3689 | *err_info = NULL((void*)0); |
| 3690 | } |
| 3691 | return false0; |
| 3692 | } |
| 3693 | |
| 3694 | fix_endianness_blf_blockheader(&header); |
| 3695 | |
| 3696 | if (memcmp(header.magic, blf_obj_magic, sizeof(blf_obj_magic))) { |
| 3697 | ws_debug("object magic is not LOBJ (pos: 0x%" PRIx64 ")", start_pos)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3697, __func__, "object magic is not LOBJ (pos: 0x%" "l" "x" ")", start_pos); } } while (0); |
| 3698 | } else { |
| 3699 | break; |
| 3700 | } |
| 3701 | |
| 3702 | /* we are moving back and try again but 1 byte later */ |
| 3703 | /* TODO: better understand how this paddings works... */ |
| 3704 | start_pos++; |
| 3705 | } |
| 3706 | params->blf_data->start_of_last_obj = start_pos; |
| 3707 | |
| 3708 | if (!params->random) { |
| 3709 | /* Make sure that we start after this object next time, |
| 3710 | * but only if it's a linear read. We can have random reads |
| 3711 | * during the linear read, so we have to make sure we don't |
| 3712 | * lose track of our position. |
| 3713 | */ |
| 3714 | params->blf_data->current_real_seek_pos = start_pos + MAX(MAX(16, header.object_length), header.header_length)((((((16) > (header.object_length)) ? (16) : (header.object_length ))) > (header.header_length)) ? ((((16) > (header.object_length )) ? (16) : (header.object_length))) : (header.header_length) ); |
| 3715 | } |
| 3716 | |
| 3717 | switch (header.header_type) { |
| 3718 | case BLF_HEADER_TYPE_DEFAULT1: |
| 3719 | if (!blf_read_log_object_header(params, err, err_info, start_pos + sizeof(blf_blockheader_t), start_pos + header.header_length, &logheader)) { |
| 3720 | return false0; |
| 3721 | } |
| 3722 | flags = logheader.flags; |
| 3723 | object_timestamp = logheader.object_timestamp; |
| 3724 | object_version = logheader.object_version; |
| 3725 | break; |
| 3726 | |
| 3727 | case BLF_HEADER_TYPE_22: |
| 3728 | if (!blf_read_log_object_header2(params, err, err_info, start_pos + sizeof(blf_blockheader_t), start_pos + header.header_length, &logheader2)) { |
| 3729 | return false0; |
| 3730 | } |
| 3731 | flags = logheader2.flags; |
| 3732 | object_timestamp = logheader2.object_timestamp; |
| 3733 | object_version = logheader2.object_version; |
| 3734 | break; |
| 3735 | |
| 3736 | case BLF_HEADER_TYPE_33: |
| 3737 | if (!blf_read_log_object_header3(params, err, err_info, start_pos + sizeof(blf_blockheader_t), start_pos + header.header_length, &logheader3)) { |
| 3738 | return false0; |
| 3739 | } |
| 3740 | flags = logheader3.flags; |
| 3741 | object_timestamp = logheader3.object_timestamp; |
| 3742 | object_version = logheader3.object_version; |
| 3743 | break; |
| 3744 | |
| 3745 | default: |
| 3746 | *err = WTAP_ERR_UNSUPPORTED-4; |
| 3747 | *err_info = ws_strdup_printf("blf: unknown header type %u", header.header_type)wmem_strdup_printf(((void*)0), "blf: unknown header type %u", header.header_type); |
| 3748 | ws_debug("unknown header type")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3748, __func__, "unknown header type"); } } while (0); |
| 3749 | return false0; |
| 3750 | } |
| 3751 | |
| 3752 | if (metadata_info.valid && header.object_type != BLF_OBJTYPE_APP_TEXT65) { |
| 3753 | /* If we're in the middle of a sequence of AppText metadata objects, |
| 3754 | * but we get an AppText object from another source, |
| 3755 | * skip the previous incomplete packet and start fresh. |
| 3756 | */ |
| 3757 | metadata_info.valid = false0; |
| 3758 | } |
| 3759 | |
| 3760 | switch (header.object_type) { |
| 3761 | case BLF_OBJTYPE_LOG_CONTAINER10: |
| 3762 | *err = WTAP_ERR_UNSUPPORTED-4; |
| 3763 | *err_info = ws_strdup("blf: log container in log container not supported")wmem_strdup(((void*)0), "blf: log container in log container not supported" ); |
| 3764 | ws_debug("log container in log container not supported")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3764, __func__, "log container in log container not supported" ); } } while (0); |
| 3765 | return false0; |
| 3766 | |
| 3767 | case BLF_OBJTYPE_ETHERNET_FRAME71: |
| 3768 | return blf_read_ethernetframe(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3769 | |
| 3770 | case BLF_OBJTYPE_ETHERNET_FRAME_EX120: |
| 3771 | return blf_read_ethernetframe_ext(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0); |
| 3772 | |
| 3773 | case BLF_OBJTYPE_ETHERNET_RX_ERROR102: |
| 3774 | return blf_read_ethernet_rxerror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3775 | |
| 3776 | case BLF_OBJTYPE_ETHERNET_ERROR_EX122: |
| 3777 | return blf_read_ethernetframe_ext(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1); |
| 3778 | |
| 3779 | case BLF_OBJTYPE_WLAN_FRAME93: |
| 3780 | return blf_read_wlanframe(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3781 | |
| 3782 | case BLF_OBJTYPE_CAN_MESSAGE1: |
| 3783 | return blf_read_canmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0); |
| 3784 | |
| 3785 | case BLF_OBJTYPE_CAN_ERROR2: |
| 3786 | return blf_read_canerror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0); |
| 3787 | |
| 3788 | case BLF_OBJTYPE_CAN_OVERLOAD3: |
| 3789 | return blf_read_canerror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1); |
| 3790 | |
| 3791 | case BLF_OBJTYPE_CAN_MESSAGE286: |
| 3792 | return blf_read_canmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1); |
| 3793 | |
| 3794 | case BLF_OBJTYPE_CAN_ERROR_EXT73: |
| 3795 | return blf_read_canerrorext(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3796 | |
| 3797 | case BLF_OBJTYPE_CAN_FD_MESSAGE100: |
| 3798 | return blf_read_canfdmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3799 | |
| 3800 | case BLF_OBJTYPE_CAN_FD_MESSAGE_64101: |
| 3801 | return blf_read_canfdmessage64(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3802 | |
| 3803 | case BLF_OBJTYPE_CAN_FD_ERROR_64104: |
| 3804 | return blf_read_canfderror64(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3805 | |
| 3806 | case BLF_OBJTYPE_CAN_XL_CHANNEL_FRAME139: |
| 3807 | return blf_read_canxlchannelframe(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3808 | |
| 3809 | case BLF_OBJTYPE_FLEXRAY_DATA29: |
| 3810 | return blf_read_flexraydata(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3811 | |
| 3812 | case BLF_OBJTYPE_FLEXRAY_MESSAGE41: |
| 3813 | return blf_read_flexraymessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3814 | |
| 3815 | case BLF_OBJTYPE_FLEXRAY_RCVMESSAGE50: |
| 3816 | return blf_read_flexrayrcvmessageex(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0); |
| 3817 | |
| 3818 | case BLF_OBJTYPE_FLEXRAY_RCVMESSAGE_EX66: |
| 3819 | return blf_read_flexrayrcvmessageex(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1); |
| 3820 | |
| 3821 | case BLF_OBJTYPE_LIN_MESSAGE11: |
| 3822 | return blf_read_linmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0); |
| 3823 | |
| 3824 | case BLF_OBJTYPE_LIN_CRC_ERROR12: |
| 3825 | return blf_read_linmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1); |
| 3826 | |
| 3827 | case BLF_OBJTYPE_LIN_RCV_ERROR14: |
| 3828 | return blf_read_linrcverror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3829 | |
| 3830 | case BLF_OBJTYPE_LIN_SND_ERROR15: |
| 3831 | return blf_read_linsenderror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3832 | |
| 3833 | case BLF_OBJTYPE_LIN_WAKEUP21: |
| 3834 | return blf_read_linwakeupevent(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3835 | |
| 3836 | case BLF_OBJTYPE_LIN_MESSAGE257: |
| 3837 | return blf_read_linmessage2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version); |
| 3838 | |
| 3839 | case BLF_OBJTYPE_LIN_CRC_ERROR260: |
| 3840 | return blf_read_lincrcerror2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version); |
| 3841 | |
| 3842 | case BLF_OBJTYPE_LIN_RCV_ERROR261: |
| 3843 | return blf_read_linrcverror2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version); |
| 3844 | |
| 3845 | case BLF_OBJTYPE_LIN_SND_ERROR258: |
| 3846 | return blf_read_linsenderror2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version); |
| 3847 | |
| 3848 | case BLF_OBJTYPE_LIN_WAKEUP262: |
| 3849 | return blf_read_linwakeupevent2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3850 | |
| 3851 | case BLF_OBJTYPE_LIN_SLEEP20: |
| 3852 | return blf_read_linsleepmodeevent(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3853 | |
| 3854 | case BLF_OBJTYPE_APP_TEXT65: |
| 3855 | { |
| 3856 | int result = blf_read_apptextmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, &metadata_info); |
| 3857 | if (result == BLF_APPTEXT_CONT0x000000FE) { |
| 3858 | if (!metadata_info.valid) { |
| 3859 | /* First object of a sequence, save its start position */ |
| 3860 | last_metadata_start = start_pos; |
| 3861 | metadata_info.valid = true1; |
| 3862 | } |
| 3863 | /* Save a pointer to the end of the buffer */ |
| 3864 | metadata_info.metadata_cont = params->rec->data.first_free; |
| 3865 | } else { |
| 3866 | if (result == BLF_APPTEXT_METADATA0x00000002 && metadata_info.valid) { |
| 3867 | /* Last object of a sequence, restore the start position of the first object */ |
| 3868 | params->blf_data->start_of_last_obj = last_metadata_start; |
| 3869 | } |
| 3870 | /* Reset everything and start fresh */ |
| 3871 | metadata_info.valid = false0; |
| 3872 | } |
| 3873 | switch (result) { |
| 3874 | case BLF_APPTEXT_FAILED0x000000FF: |
| 3875 | return false0; |
| 3876 | case BLF_APPTEXT_COMMENT0x00000000: |
| 3877 | case BLF_APPTEXT_METADATA0x00000002: |
| 3878 | case BLF_APPTEXT_ATTACHMENT0x00000003: |
| 3879 | case BLF_APPTEXT_TRACELINE0x00000004: |
| 3880 | return true1; |
| 3881 | case BLF_APPTEXT_CHANNEL0x00000001: |
| 3882 | case BLF_APPTEXT_CONT0x000000FE: |
| 3883 | default: |
| 3884 | /* we do not return since there is no packet to show here */ |
| 3885 | start_pos += MAX(MAX(16, header.object_length), header.header_length)((((((16) > (header.object_length)) ? (16) : (header.object_length ))) > (header.header_length)) ? ((((16) > (header.object_length )) ? (16) : (header.object_length))) : (header.header_length) ); |
| 3886 | break; |
| 3887 | } |
| 3888 | } |
| 3889 | break; |
| 3890 | |
| 3891 | case BLF_OBJTYPE_ETHERNET_STATUS103: |
| 3892 | return blf_read_ethernet_status(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version); |
| 3893 | |
| 3894 | case BLF_OBJTYPE_ETHERNET_PHY_STATE133: |
| 3895 | return blf_read_ethernet_phystate(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp); |
| 3896 | |
| 3897 | case BLF_OBJTYPE_ENV_INTEGER6: |
| 3898 | case BLF_OBJTYPE_ENV_DOUBLE7: |
| 3899 | case BLF_OBJTYPE_ENV_STRING8: |
| 3900 | case BLF_OBJTYPE_ENV_DATA9: |
| 3901 | case BLF_OBJTYPE_SYS_VARIABLE72: |
| 3902 | case BLF_OBJTYPE_RESERVED5115: /* Despite the name, this is actually used. Maybe it's worth investigating the content. */ |
| 3903 | case BLF_OBJTYPE_TEST_STRUCTURE118: |
| 3904 | ws_debug("skipping unsupported object type 0x%04x", header.object_type)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3904, __func__, "skipping unsupported object type 0x%04x", header .object_type); } } while (0); |
| 3905 | start_pos += MAX(MAX(16, header.object_length), header.header_length)((((((16) > (header.object_length)) ? (16) : (header.object_length ))) > (header.header_length)) ? ((((16) > (header.object_length )) ? (16) : (header.object_length))) : (header.header_length) ); |
| 3906 | break; |
| 3907 | default: |
| 3908 | ws_info("unknown object type 0x%04x", header.object_type)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_INFO, ((void*) 0), -1, ((void*)0), "unknown object type 0x%04x", header.object_type ); } } while (0); |
| 3909 | start_pos += MAX(MAX(16, header.object_length), header.header_length)((((((16) > (header.object_length)) ? (16) : (header.object_length ))) > (header.header_length)) ? ((((16) > (header.object_length )) ? (16) : (header.object_length))) : (header.header_length) ); |
| 3910 | break; |
| 3911 | } |
| 3912 | } |
| 3913 | return true1; |
| 3914 | } |
| 3915 | |
| 3916 | static bool_Bool blf_read(wtap *wth, wtap_rec *rec, int *err, char **err_info, int64_t *data_offset) { |
| 3917 | blf_params_t blf_tmp; |
| 3918 | |
| 3919 | blf_tmp.wth = wth; |
| 3920 | blf_tmp.fh = wth->fh; |
| 3921 | blf_tmp.random = false0; |
| 3922 | blf_tmp.pipe = wth->ispipe; |
| 3923 | blf_tmp.rec = rec; |
| 3924 | blf_tmp.blf_data = (blf_t *)wth->priv; |
| 3925 | |
| 3926 | if (!blf_read_block(&blf_tmp, blf_tmp.blf_data->current_real_seek_pos, err, err_info)) { |
| 3927 | return false0; |
| 3928 | } |
| 3929 | *data_offset = blf_tmp.blf_data->start_of_last_obj; |
| 3930 | |
| 3931 | return true1; |
| 3932 | } |
| 3933 | |
| 3934 | static bool_Bool blf_seek_read(wtap *wth, int64_t seek_off, wtap_rec *rec, int *err, char **err_info) { |
| 3935 | blf_params_t blf_tmp; |
| 3936 | |
| 3937 | blf_tmp.wth = wth; |
| 3938 | blf_tmp.fh = wth->random_fh; |
| 3939 | blf_tmp.random = true1; |
| 3940 | blf_tmp.pipe = wth->ispipe; |
| 3941 | blf_tmp.rec = rec; |
| 3942 | blf_tmp.blf_data = (blf_t *)wth->priv; |
| 3943 | |
| 3944 | if (!blf_read_block(&blf_tmp, seek_off, err, err_info)) { |
| 3945 | ws_debug("couldn't read packet block (err=%d).", *err)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3945, __func__, "couldn't read packet block (err=%d).", *err ); } } while (0); |
| 3946 | return false0; |
| 3947 | } |
| 3948 | |
| 3949 | return true1; |
| 3950 | } |
| 3951 | |
| 3952 | static void blf_free(blf_t *blf) { |
| 3953 | if (blf != NULL((void*)0)) { |
| 3954 | if (blf->log_containers != NULL((void*)0)) { |
| 3955 | for (unsigned i = 0; i < blf->log_containers->len; i++) { |
| 3956 | blf_log_container_t* log_container = &g_array_index(blf->log_containers, blf_log_container_t, i)(((blf_log_container_t*) (void *) (blf->log_containers)-> data) [(i)]); |
| 3957 | if (log_container->real_data != NULL((void*)0)) { |
| 3958 | g_free(log_container->real_data)(__builtin_object_size ((log_container->real_data), 0) != ( (size_t) - 1)) ? g_free_sized (log_container->real_data, __builtin_object_size ((log_container->real_data), 0)) : (g_free) (log_container ->real_data); |
| 3959 | } |
| 3960 | } |
| 3961 | g_array_free(blf->log_containers, true1); |
| 3962 | blf->log_containers = NULL((void*)0); |
| 3963 | } |
| 3964 | if (blf->channel_to_iface_ht != NULL((void*)0)) { |
| 3965 | g_hash_table_destroy(blf->channel_to_iface_ht); |
| 3966 | blf->channel_to_iface_ht = NULL((void*)0); |
| 3967 | } |
| 3968 | if (blf->channel_to_name_ht != NULL((void*)0)) { |
| 3969 | g_hash_table_destroy(blf->channel_to_name_ht); |
| 3970 | blf->channel_to_name_ht = NULL((void*)0); |
| 3971 | } |
| 3972 | } |
| 3973 | } |
| 3974 | |
| 3975 | static void blf_close(wtap *wth) { |
| 3976 | blf_free((blf_t *)wth->priv); |
| 3977 | |
| 3978 | /* TODO: do we need to reverse the wtap_add_idb? how? */ |
| 3979 | } |
| 3980 | |
| 3981 | wtap_open_return_val |
| 3982 | blf_open(wtap *wth, int *err, char **err_info) { |
| 3983 | blf_fileheader_t header; |
| 3984 | blf_t *blf; |
| 3985 | |
| 3986 | ws_debug("opening file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3986, __func__, "opening file"); } } while (0); |
| 3987 | |
| 3988 | if (!wtap_read_bytes_or_eof(wth->fh, &header, sizeof(blf_fileheader_t), err, err_info)) { |
| 3989 | |
| 3990 | ws_debug("wtap_read_bytes_or_eof() failed, err = %d.", *err)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3990, __func__, "wtap_read_bytes_or_eof() failed, err = %d." , *err); } } while (0); |
| 3991 | if (*err == 0 || *err == WTAP_ERR_SHORT_READ-12) { |
| 3992 | /* |
| 3993 | * Short read or EOF. |
| 3994 | * |
| 3995 | * We're reading this as part of an open, so |
| 3996 | * the file is too short to be a blf file. |
| 3997 | */ |
| 3998 | *err = 0; |
| 3999 | g_free(*err_info)(__builtin_object_size ((*err_info), 0) != ((size_t) - 1)) ? g_free_sized (*err_info, __builtin_object_size ((*err_info), 0)) : (g_free ) (*err_info); |
| 4000 | *err_info = NULL((void*)0); |
| 4001 | return WTAP_OPEN_NOT_MINE; |
| 4002 | } |
| 4003 | return WTAP_OPEN_ERROR; |
| 4004 | } |
| 4005 | |
| 4006 | fix_endianness_blf_fileheader(&header); |
| 4007 | |
| 4008 | if (memcmp(header.magic, blf_magic, sizeof(blf_magic))) { |
| 4009 | return WTAP_OPEN_NOT_MINE; |
| 4010 | } |
| 4011 | |
| 4012 | /* This seems to be an BLF! */ |
| 4013 | /* Check for a valid header length */ |
| 4014 | if (header.header_length < sizeof(blf_fileheader_t)) { |
| 4015 | *err = WTAP_ERR_BAD_FILE-13; |
| 4016 | *err_info = ws_strdup("blf: file header length too short")wmem_strdup(((void*)0), "blf: file header length too short"); |
| 4017 | return WTAP_OPEN_ERROR; |
| 4018 | } |
| 4019 | |
| 4020 | /* skip past the header, which may include padding/reserved space */ |
| 4021 | if (!wtap_read_bytes(wth->fh, NULL((void*)0), header.header_length - sizeof(blf_fileheader_t), err, err_info)) { |
| 4022 | return WTAP_OPEN_ERROR; |
| 4023 | } |
| 4024 | |
| 4025 | /* Prepare our private context. */ |
| 4026 | blf = g_new(blf_t, 1)((blf_t *) g_malloc_n ((1), sizeof (blf_t))); |
| 4027 | blf->log_containers = g_array_new(FALSE(0), FALSE(0), sizeof(blf_log_container_t)); |
| 4028 | blf->current_real_seek_pos = 0; |
| 4029 | blf->start_offset_ns = blf_data_to_ns(&header.start_date); |
| 4030 | blf->end_offset_ns = blf_data_to_ns(&header.end_date); |
| 4031 | |
| 4032 | blf->channel_to_iface_ht = g_hash_table_new_full(g_int64_hash, g_int64_equal, &blf_free_key, &blf_free_channel_to_iface_entry); |
| 4033 | blf->channel_to_name_ht = g_hash_table_new_full(g_int64_hash, g_int64_equal, &blf_free_key, &blf_free_channel_to_name_entry); |
| 4034 | blf->next_interface_id = 0; |
| 4035 | |
| 4036 | wth->priv = (void *)blf; |
| 4037 | wth->file_encap = WTAP_ENCAP_NONE-2; |
| 4038 | wth->snapshot_length = 0; |
| 4039 | wth->file_tsprec = WTAP_TSPREC_UNKNOWN-2; |
| 4040 | wth->file_start_ts.secs = blf->start_offset_ns / (1000 * 1000 * 1000); |
| 4041 | wth->file_start_ts.nsecs = blf->start_offset_ns % (1000 * 1000 * 1000); |
| 4042 | wth->file_end_ts.secs = blf->end_offset_ns / (1000 * 1000 * 1000); |
| 4043 | wth->file_end_ts.nsecs = blf->end_offset_ns % (1000 * 1000 * 1000); |
| 4044 | wth->subtype_read = blf_read; |
| 4045 | wth->subtype_seek_read = blf_seek_read; |
| 4046 | wth->subtype_close = blf_close; |
| 4047 | wth->file_type_subtype = blf_file_type_subtype; |
| 4048 | |
| 4049 | wtap_block_t block = wtap_block_create(WTAP_BLOCK_SECTION); |
| 4050 | wtapng_section_mandatory_t *shb_mand = (wtapng_section_mandatory_t *)wtap_block_get_mandatory_data(block); |
| 4051 | shb_mand->section_length = UINT64_MAX(18446744073709551615UL); |
| 4052 | |
| 4053 | wtap_block_add_string_option_format(block, OPT_SHB_USERAPPL4, "%s %d.%d.%d", try_val_to_str(header.application, blf_application_names), |
| 4054 | header.application_major, header.application_minor, header.application_build); |
| 4055 | wtap_block_copy(g_array_index(wth->shb_hdrs, wtap_block_t, 0)(((wtap_block_t*) (void *) (wth->shb_hdrs)->data) [(0)] ), block); |
| 4056 | wtap_block_unref(block); |
| 4057 | |
| 4058 | return WTAP_OPEN_MINE; |
| 4059 | } |
| 4060 | |
| 4061 | /* Options for interface blocks. */ |
| 4062 | static const struct supported_option_type interface_block_options_supported[] = { |
| 4063 | /* No comments, just an interface name. */ |
| 4064 | { OPT_IDB_NAME2, ONE_OPTION_SUPPORTED } |
| 4065 | }; |
| 4066 | |
| 4067 | static const struct supported_block_type blf_blocks_supported[] = { |
| 4068 | { WTAP_BLOCK_PACKET, MULTIPLE_BLOCKS_SUPPORTED, NO_OPTIONS_SUPPORTED0, ((void*)0) }, |
| 4069 | { WTAP_BLOCK_IF_ID_AND_INFO, MULTIPLE_BLOCKS_SUPPORTED, OPTION_TYPES_SUPPORTED(interface_block_options_supported)(sizeof (interface_block_options_supported) / sizeof (interface_block_options_supported )[0]), interface_block_options_supported }, |
| 4070 | }; |
| 4071 | |
| 4072 | |
| 4073 | /***********************/ |
| 4074 | /* BLF Writing Support */ |
| 4075 | /***********************/ |
| 4076 | |
| 4077 | /* 10MB = 10485760 */ |
| 4078 | #define LOG_CONTAINER_BUFFER_SIZE10485760 10485760 |
| 4079 | |
| 4080 | #define LOG_CONTAINER_NONE(18446744073709551615UL) UINT64_MAX(18446744073709551615UL) |
| 4081 | |
| 4082 | typedef struct _blf_writer_data { |
| 4083 | GArray *iface_to_channel_array; |
| 4084 | bool_Bool iface_to_channel_names_recovered; |
| 4085 | |
| 4086 | blf_fileheader_t *fileheader; |
| 4087 | uint32_t object_count; |
| 4088 | uint64_t start_time; |
| 4089 | uint64_t end_time; |
| 4090 | |
| 4091 | uint64_t logcontainer_start; |
| 4092 | blf_blockheader_t logcontainer_block_header; |
| 4093 | blf_logcontainerheader_t logcontainer_header; |
| 4094 | |
| 4095 | /* Last object header, file position and content tracked |
| 4096 | in case padding is needed at end of log container*/ |
| 4097 | uint64_t logobject_start; |
| 4098 | blf_blockheader_t logobject_block_header; |
| 4099 | } blf_writer_data_t; |
| 4100 | |
| 4101 | static void |
| 4102 | blf_dump_free(wtap_dumper *wdh) |
| 4103 | { |
| 4104 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4105 | |
| 4106 | g_array_unref(writer_data->iface_to_channel_array); |
| 4107 | g_free(writer_data->fileheader)(__builtin_object_size ((writer_data->fileheader), 0) != ( (size_t) - 1)) ? g_free_sized (writer_data->fileheader, __builtin_object_size ((writer_data->fileheader), 0)) : (g_free) (writer_data-> fileheader); |
| 4108 | } |
| 4109 | |
| 4110 | static void |
| 4111 | blf_dump_init_channel_to_iface_entry(blf_channel_to_iface_entry_t* tmp, unsigned int if_id) { |
| 4112 | tmp->channel = 0; |
| 4113 | tmp->hwchannel = UINT16_MAX(65535); |
| 4114 | tmp->interface_id = if_id; |
| 4115 | tmp->pkt_encap = WTAP_ENCAP_NONE-2; |
| 4116 | } |
| 4117 | |
| 4118 | static void |
| 4119 | blf_dump_expand_interface_mapping(wtap_dumper *wdh, unsigned new_size) { |
| 4120 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4121 | |
| 4122 | unsigned old_size = writer_data->iface_to_channel_array->len; |
| 4123 | |
| 4124 | if (old_size < new_size) { |
| 4125 | /* we need to expand array */ |
| 4126 | g_array_set_size(writer_data->iface_to_channel_array, new_size); |
| 4127 | |
| 4128 | for (unsigned int i = old_size; i < writer_data->iface_to_channel_array->len; i++) { |
| 4129 | blf_channel_to_iface_entry_t *tmp = &g_array_index(writer_data->iface_to_channel_array, blf_channel_to_iface_entry_t, i)(((blf_channel_to_iface_entry_t*) (void *) (writer_data->iface_to_channel_array )->data) [(i)]); |
| 4130 | blf_dump_init_channel_to_iface_entry(tmp, i); |
| 4131 | } |
| 4132 | } |
| 4133 | } |
| 4134 | |
| 4135 | static bool_Bool |
| 4136 | blf_dump_set_interface_mapping(wtap_dumper *wdh, uint32_t interface_id, int pkt_encap, uint16_t channel, uint16_t hw_channel) { |
| 4137 | if (channel == 0) { |
| 4138 | ws_warning("Trying to set channel to 0. That will probably lead to an unreadable file. Replacing by 1 to limit problem.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4138, __func__, "Trying to set channel to 0. That will probably lead to an unreadable file. Replacing by 1 to limit problem." ); } } while (0); |
| 4139 | channel = 1; |
| 4140 | } |
| 4141 | |
| 4142 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4143 | |
| 4144 | /* |
| 4145 | * XXX - will this ever happen add new mappings? |
| 4146 | * |
| 4147 | * We expand the interface mapping to include all known interfaces |
| 4148 | * at the time we open the dump file for writing and every time |
| 4149 | * we get notified of a new IDB. |
| 4150 | * |
| 4151 | * Does that miss any cases? |
| 4152 | */ |
| 4153 | blf_dump_expand_interface_mapping(wdh, interface_id + 1); |
| 4154 | |
| 4155 | blf_channel_to_iface_entry_t *tmp = &g_array_index(writer_data->iface_to_channel_array, blf_channel_to_iface_entry_t, interface_id)(((blf_channel_to_iface_entry_t*) (void *) (writer_data->iface_to_channel_array )->data) [(interface_id)]); |
| 4156 | tmp->channel = channel; |
| 4157 | tmp->hwchannel = hw_channel; |
| 4158 | tmp->interface_id = interface_id; |
| 4159 | tmp->pkt_encap = pkt_encap; |
| 4160 | |
| 4161 | return true1; |
| 4162 | } |
| 4163 | |
| 4164 | static blf_channel_to_iface_entry_t * |
| 4165 | blf_dump_get_interface_mapping(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info) { |
| 4166 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4167 | |
| 4168 | uint32_t interface_id = rec->rec_header.packet_header.interface_id; |
| 4169 | if (interface_id < writer_data->iface_to_channel_array->len) { |
| 4170 | return &g_array_index(writer_data->iface_to_channel_array, blf_channel_to_iface_entry_t, interface_id)(((blf_channel_to_iface_entry_t*) (void *) (writer_data->iface_to_channel_array )->data) [(interface_id)]); |
| 4171 | } |
| 4172 | |
| 4173 | *err = WTAP_ERR_INTERNAL-21; |
| 4174 | *err_info = ws_strdup_printf("blf: cannot find interface mapping for %u", interface_id)wmem_strdup_printf(((void*)0), "blf: cannot find interface mapping for %u" , interface_id); |
| 4175 | ws_critical("BLF Interface Mapping cannot be found.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_CRITICAL, "wiretap/blf.c" , 4175, __func__, "BLF Interface Mapping cannot be found."); } } while (0); |
| 4176 | |
| 4177 | return NULL((void*)0); |
| 4178 | } |
| 4179 | |
| 4180 | static bool_Bool |
| 4181 | blf_init_file_header(wtap_dumper *wdh, int *err) { |
| 4182 | if (wdh == NULL((void*)0) || wdh->priv == NULL((void*)0)) { |
| 4183 | *err = WTAP_ERR_INTERNAL-21; |
| 4184 | ws_debug("internal error: blf private data not found.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4184, __func__, "internal error: blf private data not found." ); } } while (0); |
| 4185 | return false0; |
| 4186 | } |
| 4187 | |
| 4188 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4189 | |
| 4190 | /* currently only support 144 byte length*/ |
| 4191 | writer_data->fileheader = (blf_fileheader_t*)g_malloc0(144); |
| 4192 | |
| 4193 | /* set magic */ |
| 4194 | int i; |
| 4195 | for (i = 0; i < 4; i++) { |
| 4196 | writer_data->fileheader->magic[i] = blf_magic[i]; |
| 4197 | } |
| 4198 | |
| 4199 | /* currently only support 144 byte length*/ |
| 4200 | writer_data->fileheader->header_length = 144; |
| 4201 | |
| 4202 | writer_data->fileheader->application_major = WIRESHARK_VERSION_MAJOR5; |
| 4203 | writer_data->fileheader->application_minor = WIRESHARK_VERSION_MINOR1; |
| 4204 | writer_data->fileheader->application_build = WIRESHARK_VERSION_MICRO0; |
| 4205 | |
| 4206 | return true1; |
| 4207 | } |
| 4208 | |
| 4209 | static bool_Bool |
| 4210 | blf_write_add_padding(wtap_dumper *wdh, int *err, uint8_t count) { |
| 4211 | if (count > 0 && count < 4) { |
| 4212 | uint8_t padding[3] = { 0 }; |
| 4213 | if (!wtap_dump_file_write(wdh, &padding, count, err)) { |
| 4214 | return false0; |
| 4215 | } |
| 4216 | } |
| 4217 | return true1; |
| 4218 | } |
| 4219 | |
| 4220 | static bool_Bool |
| 4221 | blf_write_file_header_zeros(wtap_dumper *wdh, int *err) { |
| 4222 | /* lets add 144 bytes for the header and padding */ |
| 4223 | uint8_t padding[144] = { 0 }; |
| 4224 | if (!wtap_dump_file_write(wdh, &padding, 144, err)) { |
| 4225 | return false0; |
| 4226 | } |
| 4227 | |
| 4228 | return true1; |
| 4229 | } |
| 4230 | |
| 4231 | static void |
| 4232 | blf_write_date_to_blf_header(blf_fileheader_t *fileheader, bool_Bool start, uint64_t ns_timestamp) { |
| 4233 | struct tm tmp; |
| 4234 | const time_t date = (time_t)(ns_timestamp / (1000 * 1000 * 1000)); |
| 4235 | |
| 4236 | if (ws_localtime_r(&date, &tmp) != NULL((void*)0)) { |
| 4237 | blf_date_t *target = start ? &(fileheader->start_date) : &(fileheader->end_date); |
| 4238 | target->year = 1900 + tmp.tm_year; |
| 4239 | target->month = tmp.tm_mon + 1; |
| 4240 | target->day = tmp.tm_mday; |
| 4241 | target->hour = tmp.tm_hour; |
| 4242 | target->mins = tmp.tm_min; |
| 4243 | target->sec = tmp.tm_sec; |
| 4244 | |
| 4245 | uint64_t tmp_date = blf_data_to_ns((const blf_date_t *)target); |
| 4246 | |
| 4247 | target->ms = (uint16_t)((ns_timestamp - tmp_date) / (1000 * 1000)); |
| 4248 | } |
| 4249 | |
| 4250 | } |
| 4251 | |
| 4252 | static bool_Bool |
| 4253 | blf_finalize_file_header(wtap_dumper *wdh, int *err) { |
| 4254 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4255 | blf_fileheader_t *fileheader = writer_data->fileheader; |
| 4256 | int64_t bytes_written = wtap_dump_file_tell(wdh, err); |
| 4257 | if (bytes_written == -1 || *err != 0) { |
| 4258 | return false0; |
| 4259 | } |
| 4260 | |
| 4261 | /* update the header and convert all to LE */ |
| 4262 | fileheader->api_version = (((WIRESHARK_VERSION_MAJOR5 * 100) + WIRESHARK_VERSION_MINOR1) * 100 + WIRESHARK_VERSION_MICRO0) * 100; |
| 4263 | fileheader->application_major = WIRESHARK_VERSION_MAJOR5; |
| 4264 | fileheader->application_minor = WIRESHARK_VERSION_MINOR1; |
| 4265 | fileheader->application_build = WIRESHARK_VERSION_MICRO0; |
| 4266 | |
| 4267 | fileheader->len_compressed = (uint64_t)bytes_written; |
| 4268 | fileheader->len_uncompressed = (uint64_t)bytes_written; |
| 4269 | |
| 4270 | fileheader->obj_count = writer_data->object_count; |
| 4271 | |
| 4272 | blf_write_date_to_blf_header(fileheader, true1, writer_data->start_time); |
| 4273 | blf_write_date_to_blf_header(fileheader, false0, writer_data->end_time); |
| 4274 | |
| 4275 | fix_endianness_blf_fileheader(fileheader); |
| 4276 | |
| 4277 | /* seek to start of file */ |
| 4278 | int64_t tmp = wtap_dump_file_seek(wdh, 0, SEEK_SET0, err); |
| 4279 | if (*err != 0 || tmp != 0) { |
| 4280 | return false0; |
| 4281 | } |
| 4282 | |
| 4283 | if (!wtap_dump_file_write(wdh, fileheader, fileheader->header_length, err)) { |
| 4284 | return false0; |
| 4285 | } |
| 4286 | |
| 4287 | return true1; |
| 4288 | } |
| 4289 | |
| 4290 | static bool_Bool blf_dump_write_logcontainer(wtap_dumper *wdh, int *err, char **err_info _U___attribute__((unused))) { |
| 4291 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4292 | |
| 4293 | if (!wtap_dump_file_write(wdh, &(writer_data->logcontainer_block_header), sizeof(blf_blockheader_t), err)) { |
| 4294 | ws_debug("Cannot write Log Container Block Header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4294, __func__, "Cannot write Log Container Block Header"); } } while (0); |
| 4295 | return false0; |
| 4296 | } |
| 4297 | |
| 4298 | if (!wtap_dump_file_write(wdh, &(writer_data->logcontainer_header), sizeof(blf_logcontainerheader_t), err)) { |
| 4299 | ws_debug("Cannot write Log Container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4299, __func__, "Cannot write Log Container"); } } while (0 ); |
| 4300 | return false0; |
| 4301 | } |
| 4302 | |
| 4303 | return true1; |
| 4304 | } |
| 4305 | |
| 4306 | static bool_Bool blf_dump_pad_last_object(wtap_dumper *wdh, int *err, uint8_t padding_count) { |
| 4307 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4308 | |
| 4309 | int64_t current_position = wtap_dump_file_tell(wdh, err); |
| 4310 | if (current_position == -1 || *err != 0) { |
| 4311 | return false0; |
| 4312 | } |
| 4313 | |
| 4314 | if(!blf_write_add_padding(wdh, err, padding_count)) { |
| 4315 | return false0; |
| 4316 | } |
| 4317 | current_position += padding_count; |
| 4318 | writer_data->logobject_block_header.object_length += padding_count; |
| 4319 | |
| 4320 | /* Copy out blockheader before fixing endianness */ |
| 4321 | blf_blockheader_t blockheader = writer_data->logobject_block_header; |
| 4322 | fix_endianness_blf_blockheader(&blockheader); |
| 4323 | |
| 4324 | int64_t tmp = wtap_dump_file_seek(wdh, writer_data->logobject_start, SEEK_SET0, err); |
| 4325 | if (*err != 0 || tmp != 0) { |
| 4326 | return false0; |
| 4327 | } |
| 4328 | |
| 4329 | if (!wtap_dump_file_write(wdh, &(blockheader), sizeof(blf_blockheader_t), err)) { |
| 4330 | return false0; |
| 4331 | } |
| 4332 | |
| 4333 | tmp = wtap_dump_file_seek(wdh, current_position, SEEK_SET0, err); |
| 4334 | if (*err != 0 || tmp != 0) { |
| 4335 | return false0; |
| 4336 | } |
| 4337 | |
| 4338 | return true1; |
| 4339 | } |
| 4340 | |
| 4341 | static bool_Bool blf_dump_close_logcontainer(wtap_dumper *wdh, int *err, char **err_info) { |
| 4342 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4343 | |
| 4344 | int64_t current_position = wtap_dump_file_tell(wdh, err); |
| 4345 | if (current_position == -1 || *err != 0) { |
| 4346 | return false0; |
| 4347 | } |
| 4348 | int64_t logcontainer_length = current_position - writer_data->logcontainer_start; |
| 4349 | if (logcontainer_length < 32) { |
| 4350 | *err = WTAP_ERR_INTERNAL-21; |
| 4351 | } |
| 4352 | |
| 4353 | /* Add padding to last object, to ensure logcontainer ends at 4 byte alignment. |
| 4354 | Improves compatibility with other tools. */ |
| 4355 | uint8_t padding_needed = logcontainer_length % 4; |
| 4356 | if (padding_needed != 0) { |
| 4357 | padding_needed = 4 - padding_needed; |
| 4358 | if (!blf_dump_pad_last_object(wdh, err, padding_needed)) { |
| 4359 | return false0; |
| 4360 | } |
| 4361 | logcontainer_length += padding_needed; |
| 4362 | current_position += padding_needed; |
| 4363 | } |
| 4364 | |
| 4365 | int64_t tmp = wtap_dump_file_seek(wdh, writer_data->logcontainer_start, SEEK_SET0, err); |
| 4366 | if (*err != 0 || tmp != 0) { |
| 4367 | return false0; |
| 4368 | } |
| 4369 | |
| 4370 | writer_data->logcontainer_block_header.object_length = GUINT32_TO_LE((uint32_t)logcontainer_length)((guint32) ((uint32_t)logcontainer_length)); |
| 4371 | writer_data->logcontainer_header.uncompressed_size = GUINT32_TO_LE((uint32_t)(logcontainer_length - 32))((guint32) ((uint32_t)(logcontainer_length - 32))); |
| 4372 | |
| 4373 | if (!blf_dump_write_logcontainer(wdh, err, err_info)) { |
| 4374 | return false0; |
| 4375 | } |
| 4376 | |
| 4377 | tmp = wtap_dump_file_seek(wdh, current_position, SEEK_SET0, err); |
| 4378 | if (*err != 0 || tmp != 0) { |
| 4379 | return false0; |
| 4380 | } |
| 4381 | |
| 4382 | return true1; |
| 4383 | } |
| 4384 | |
| 4385 | static bool_Bool blf_dump_start_logcontainer(wtap_dumper *wdh, int *err, char **err_info) { |
| 4386 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4387 | |
| 4388 | if (writer_data->logcontainer_start != LOG_CONTAINER_NONE(18446744073709551615UL)) { |
| 4389 | if (!blf_dump_close_logcontainer(wdh, err, err_info)) { |
| 4390 | return false0; |
| 4391 | } |
| 4392 | } |
| 4393 | |
| 4394 | /* start new log container */ |
| 4395 | /* set magic */ |
| 4396 | int i; |
| 4397 | for (i = 0; i < 4; i++) { |
| 4398 | writer_data->logcontainer_block_header.magic[i] = blf_obj_magic[i]; |
| 4399 | } |
| 4400 | writer_data->logcontainer_block_header.header_length = 16; |
| 4401 | writer_data->logcontainer_block_header.header_type = 1; |
| 4402 | writer_data->logcontainer_block_header.object_length = 32; |
| 4403 | writer_data->logcontainer_block_header.object_type = BLF_OBJTYPE_LOG_CONTAINER10; |
| 4404 | fix_endianness_blf_blockheader(&(writer_data->logcontainer_block_header)); |
| 4405 | |
| 4406 | writer_data->logcontainer_header.compression_method = 0; |
| 4407 | writer_data->logcontainer_header.res1 = 0; |
| 4408 | writer_data->logcontainer_header.res2 = 0; |
| 4409 | writer_data->logcontainer_header.uncompressed_size = 0; |
| 4410 | writer_data->logcontainer_header.res4 = 0; |
| 4411 | fix_endianness_blf_logcontainerheader(&(writer_data->logcontainer_header)); |
| 4412 | |
| 4413 | writer_data->logcontainer_start = wtap_dump_file_tell(wdh, err); |
| 4414 | if (*err != 0) { |
| 4415 | return false0; |
| 4416 | } |
| 4417 | |
| 4418 | return blf_dump_write_logcontainer(wdh, err, err_info); |
| 4419 | } |
| 4420 | |
| 4421 | static bool_Bool blf_dump_check_logcontainer_full(wtap_dumper *wdh, int *err, char **err_info, uint32_t length) { |
| 4422 | const blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4423 | |
| 4424 | uint64_t position = (uint64_t)wtap_dump_file_tell(wdh, err); |
| 4425 | if (*err != 0) { |
| 4426 | return false0; |
| 4427 | } |
| 4428 | if (position - writer_data->logcontainer_start + length <= LOG_CONTAINER_BUFFER_SIZE10485760) { |
| 4429 | return true1; |
| 4430 | } |
| 4431 | |
| 4432 | return blf_dump_start_logcontainer(wdh, err, err_info); |
| 4433 | } |
| 4434 | |
| 4435 | static bool_Bool blf_dump_objheader(wtap_dumper *wdh, int *err, uint64_t obj_timestamp, uint32_t obj_type, uint32_t obj_length) { |
| 4436 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4437 | blf_logobjectheader_t logheader; |
| 4438 | logheader.flags = BLF_TIMESTAMP_RESOLUTION_1NS2; |
| 4439 | logheader.client_index = 0; |
| 4440 | logheader.object_version = 1; |
| 4441 | logheader.object_timestamp = obj_timestamp; |
| 4442 | fix_endianness_blf_logobjectheader(&logheader); |
| 4443 | |
| 4444 | blf_blockheader_t blockheader; |
| 4445 | /* set magic */ |
| 4446 | int i; |
| 4447 | for (i = 0; i < 4; i++) { |
| 4448 | blockheader.magic[i] = blf_obj_magic[i]; |
| 4449 | } |
| 4450 | blockheader.header_length = sizeof(blf_blockheader_t) + sizeof(blf_logobjectheader_t); |
| 4451 | blockheader.header_type = 1; |
| 4452 | blockheader.object_length = sizeof(blf_blockheader_t) + sizeof(blf_logobjectheader_t) + obj_length; |
| 4453 | blockheader.object_type = obj_type; |
| 4454 | |
| 4455 | /* Track blockheader of object, in case padding is needed at end of log container */ |
| 4456 | writer_data->logobject_start = wtap_dump_file_tell(wdh, err); |
| 4457 | writer_data->logobject_block_header = blockheader; |
| 4458 | |
| 4459 | fix_endianness_blf_blockheader(&blockheader); |
| 4460 | |
| 4461 | if (!wtap_dump_file_write(wdh, &(blockheader), sizeof(blf_blockheader_t), err)) { |
| 4462 | return false0; |
| 4463 | } |
| 4464 | |
| 4465 | if (!wtap_dump_file_write(wdh, &(logheader), sizeof(blf_logobjectheader_t), err)) { |
| 4466 | return false0; |
| 4467 | } |
| 4468 | |
| 4469 | /* Successful writing done, time to update count */ |
| 4470 | writer_data->object_count += 1; |
| 4471 | |
| 4472 | return true1; |
| 4473 | } |
| 4474 | |
| 4475 | /* return standard direction format of BLF, RX on error or unknown */ |
| 4476 | static uint8_t blf_get_direction(const wtap_rec *rec) { |
| 4477 | uint32_t tmp_direction = 0; |
| 4478 | if (WTAP_OPTTYPE_SUCCESS != wtap_block_get_uint32_option_value(rec->block, OPT_PKT_FLAGS2, &tmp_direction)) { |
| 4479 | return BLF_DIR_RX0; |
| 4480 | } |
| 4481 | |
| 4482 | if (tmp_direction == PACK_FLAGS_DIRECTION_OUTBOUND2) { |
| 4483 | return BLF_DIR_TX1; |
| 4484 | |
| 4485 | } |
| 4486 | |
| 4487 | return BLF_DIR_RX0; |
| 4488 | } |
| 4489 | |
| 4490 | static bool_Bool blf_dump_ethernet(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) { |
| 4491 | /* LINKTYPE_ETHERNET */ |
| 4492 | /* https://www.tcpdump.org/linktypes/LINKTYPE_LINUX_SLL.html */ |
| 4493 | |
| 4494 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4495 | const blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info); |
| 4496 | if (iface_entry == NULL((void*)0)) { |
| 4497 | return false0; |
| 4498 | } |
| 4499 | |
| 4500 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data); |
| 4501 | size_t length = ws_buffer_length(&rec->data); |
| 4502 | |
| 4503 | /* 14 bytes is the full Ethernet Header up to EtherType */ |
| 4504 | if (length < 14) { |
| 4505 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 4506 | *err_info = ws_strdup_printf("blf: record length %zu for Ethernet message is less than minimum of 14", length)wmem_strdup_printf(((void*)0), "blf: record length %zu for Ethernet message is less than minimum of 14" , length); |
| 4507 | return false0; |
| 4508 | } |
| 4509 | |
| 4510 | uint32_t offset = 12; |
| 4511 | |
| 4512 | blf_ethernetframeheader_t ethheader; |
| 4513 | ethheader.src_addr[0] = pd[6]; |
| 4514 | ethheader.src_addr[1] = pd[7]; |
| 4515 | ethheader.src_addr[2] = pd[8]; |
| 4516 | ethheader.src_addr[3] = pd[9]; |
| 4517 | ethheader.src_addr[4] = pd[10]; |
| 4518 | ethheader.src_addr[5] = pd[11]; |
| 4519 | |
| 4520 | ethheader.channel = iface_entry->channel; |
| 4521 | |
| 4522 | ethheader.dst_addr[0] = pd[0]; |
| 4523 | ethheader.dst_addr[1] = pd[1]; |
| 4524 | ethheader.dst_addr[2] = pd[2]; |
| 4525 | ethheader.dst_addr[3] = pd[3]; |
| 4526 | ethheader.dst_addr[4] = pd[4]; |
| 4527 | ethheader.dst_addr[5] = pd[5]; |
| 4528 | |
| 4529 | ethheader.direction = blf_get_direction(rec); |
| 4530 | |
| 4531 | uint16_t eth_type = pntohu16(pd + offset); |
| 4532 | offset += 2; |
| 4533 | |
| 4534 | if (eth_type == 0x8100 || eth_type == 0x9100 || eth_type == 0x88a8) { |
| 4535 | if (length < 18) { |
| 4536 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 4537 | *err_info = ws_strdup_printf("blf: record length %zu for VLAN-tagged Ethernet frame is less than minimum of 18", length)wmem_strdup_printf(((void*)0), "blf: record length %zu for VLAN-tagged Ethernet frame is less than minimum of 18" , length); |
| 4538 | return false0; |
| 4539 | } |
| 4540 | ethheader.tpid = eth_type; |
| 4541 | ethheader.tci = pntohu16(pd + offset); |
| 4542 | offset += 2; |
| 4543 | |
| 4544 | eth_type = pntohu16(pd + offset); |
| 4545 | offset += 2; |
| 4546 | } else { |
| 4547 | ethheader.tpid = 0; |
| 4548 | ethheader.tci = 0; |
| 4549 | } |
| 4550 | |
| 4551 | ethheader.ethtype = eth_type; |
| 4552 | if (ckd_sub(ðheader.payloadlength, length, offset)__builtin_sub_overflow((length), (offset), (ðheader.payloadlength ))) { |
| 4553 | /* Congratulations! You may have spotted a IPv6 Jumbogram (RFC 2675)! |
| 4554 | * You're another lucky winner of a Wiretap No-Prize! */ |
| 4555 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 4556 | *err_info = ws_strdup_printf("blf: Ethernet payload length %zu is too big", length - offset)wmem_strdup_printf(((void*)0), "blf: Ethernet payload length %zu is too big" , length - offset); |
| 4557 | return false0; |
| 4558 | } |
| 4559 | ethheader.res = 0; |
| 4560 | fix_endianness_blf_ethernetframeheader(ðheader); |
| 4561 | |
| 4562 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_ETHERNET_FRAME71, sizeof(blf_ethernetframeheader_t) + ethheader.payloadlength)) { |
| 4563 | return false0; |
| 4564 | } |
| 4565 | |
| 4566 | if (!wtap_dump_file_write(wdh, &(ethheader), sizeof(blf_ethernetframeheader_t), err)) { |
| 4567 | return false0; |
| 4568 | } |
| 4569 | |
| 4570 | if (!wtap_dump_file_write(wdh, &(pd[offset]), ethheader.payloadlength, err)) { |
| 4571 | return false0; |
| 4572 | } |
| 4573 | |
| 4574 | /* Add strange padding to 4 bytes. */ |
| 4575 | uint8_t padding_needed = (sizeof(blf_ethernetframeheader_t) + ethheader.payloadlength) % 4; |
| 4576 | return blf_write_add_padding(wdh, err, padding_needed); |
| 4577 | } |
| 4578 | |
| 4579 | static bool_Bool blf_dump_socketcanxl(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp, |
| 4580 | const uint8_t *pd, size_t length, bool_Bool is_rx, bool_Bool is_tx) { |
| 4581 | /* LINKTYPE_CAN_SOCKETCAN */ |
| 4582 | /* https://www.tcpdump.org/linktypes/LINKTYPE_CAN_SOCKETCAN.html */ |
| 4583 | |
| 4584 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4585 | blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info); |
| 4586 | if (iface_entry == NULL((void*)0)) { |
| 4587 | return false0; |
| 4588 | } |
| 4589 | |
| 4590 | if (length < 12) { |
| 4591 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 4592 | *err_info = ws_strdup_printf("blf: record length %u for Socket CAN XL message header is lower than minimum of 12", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for Socket CAN XL message header is lower than minimum of 12" , (uint32_t)length); |
| 4593 | ws_debug("LINKTYPE_CAN_SOCKETCAN header is too short (CAN XL).")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4593, __func__, "LINKTYPE_CAN_SOCKETCAN header is too short (CAN XL)." ); } } while (0); |
| 4594 | return false0; |
| 4595 | } |
| 4596 | |
| 4597 | uint8_t socketcan_vcid = pd[1]; |
| 4598 | uint16_t socketcan_id = pntohu16(pd + 2) & CAN_SFF_MASK0x000007FF; |
| 4599 | uint8_t socketcan_flags = pd[4]; |
| 4600 | uint8_t socketcan_sdut = pd[5]; |
| 4601 | uint16_t socketcan_payload_length = pletohu16(pd + 6); |
| 4602 | |
| 4603 | if ((socketcan_flags & CANXL_XLF0x80) != CANXL_XLF0x80) { |
| 4604 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 4605 | *err_info = ws_strdup_printf("blf: Socket CAN XL message does not have XL Flag set.")wmem_strdup_printf(((void*)0), "blf: Socket CAN XL message does not have XL Flag set." ); |
| 4606 | ws_debug("LINKTYPE_CAN_SOCKETCAN CAN XL flag not set for CAN XL?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4606, __func__, "LINKTYPE_CAN_SOCKETCAN CAN XL flag not set for CAN XL?" ); } } while (0); |
| 4607 | return false0; |
| 4608 | } |
| 4609 | |
| 4610 | if (length < (size_t)socketcan_payload_length + 12) { |
| 4611 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 4612 | *err_info = ws_strdup_printf("blf: Socket CAN message (length %u) does not contain full payload (%u) (CAN XL)", (uint32_t)length, socketcan_payload_length)wmem_strdup_printf(((void*)0), "blf: Socket CAN message (length %u) does not contain full payload (%u) (CAN XL)" , (uint32_t)length, socketcan_payload_length); |
| 4613 | ws_debug("LINKTYPE_CAN_SOCKETCAN header is too short (CAN XL).")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4613, __func__, "LINKTYPE_CAN_SOCKETCAN header is too short (CAN XL)." ); } } while (0); |
| 4614 | return false0; |
| 4615 | } |
| 4616 | uint32_t socketcan_acceptance_field = pletohu32(pd + 8); |
| 4617 | |
| 4618 | /* LINKTYPE_LINUX_SLL would have set is_tx or is_rx */ |
| 4619 | uint8_t frame_dir = is_tx ? BLF_DIR_TX1 : BLF_DIR_RX0; |
| 4620 | if (!is_rx && !is_tx) { |
| 4621 | frame_dir = blf_get_direction(rec); |
| 4622 | } |
| 4623 | |
| 4624 | blf_canxlchannelframe_t canxl = {0}; |
| 4625 | canxl.channel = (uint8_t)iface_entry->channel; |
| 4626 | canxl.dir = frame_dir; |
| 4627 | canxl.frameIdentifier = socketcan_id; |
| 4628 | canxl.serviceDataUnitType = socketcan_sdut; |
| 4629 | canxl.dlc = socketcan_payload_length - 1; |
| 4630 | canxl.dataLength = socketcan_payload_length; |
| 4631 | canxl.virtualControllerAreaNetChannelID = socketcan_vcid; |
| 4632 | canxl.acceptanceField = socketcan_acceptance_field; |
| 4633 | |
| 4634 | if ((socketcan_flags & CANXL_XLF0x80) == CANXL_XLF0x80) { |
| 4635 | /* should be always true but we might refactor */ |
| 4636 | canxl.flags |= BLF_CANXLCHANNELFRAME_FLAG_XLF0x400000; |
| 4637 | } |
| 4638 | if ((socketcan_flags & CANXL_SEC0x01) == CANXL_SEC0x01) { |
| 4639 | canxl.flags |= BLF_CANXLCHANNELFRAME_FLAG_SEC0x1000000; |
| 4640 | } |
| 4641 | if ((socketcan_flags & CANXL_RRS0x02) == CANXL_RRS0x02) { |
| 4642 | canxl.flags |= BLF_CANXLCHANNELFRAME_FLAG_RRS0x800000; |
| 4643 | } |
| 4644 | |
| 4645 | fix_endianness_blf_canxlchannelframe(&canxl); |
| 4646 | |
| 4647 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_CAN_XL_CHANNEL_FRAME139, sizeof(blf_canxlchannelframe_t) + socketcan_payload_length)) { |
| 4648 | return false0; |
| 4649 | } |
| 4650 | |
| 4651 | if (!wtap_dump_file_write(wdh, &(canxl), sizeof(blf_canxlchannelframe_t), err)) { |
| 4652 | return false0; |
| 4653 | } |
| 4654 | |
| 4655 | if (!wtap_dump_file_write(wdh, &(pd[12]), socketcan_payload_length, err)) { |
| 4656 | return false0; |
| 4657 | } |
| 4658 | |
| 4659 | return true1; |
| 4660 | } |
| 4661 | |
| 4662 | static const uint8_t canfd_length_to_dlc[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 0, 0, 9, 0, 0, 0, |
| 4663 | 10, 0, 0, 0, 11, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, |
| 4664 | 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 4665 | 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 4666 | 15 }; |
| 4667 | |
| 4668 | static bool_Bool blf_dump_socketcan(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp, |
| 4669 | const uint8_t *pd, size_t length, bool_Bool is_can, bool_Bool is_canfd, bool_Bool is_rx, bool_Bool is_tx) { |
| 4670 | /* LINKTYPE_CAN_SOCKETCAN */ |
| 4671 | /* https://www.tcpdump.org/linktypes/LINKTYPE_CAN_SOCKETCAN.html */ |
| 4672 | |
| 4673 | if (length < 8) { |
| 4674 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 4675 | *err_info = ws_strdup_printf("blf: record length %u for Socket CAN message header is lower than minimum of 8", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for Socket CAN message header is lower than minimum of 8" , (uint32_t)length); |
| 4676 | ws_debug("LINKTYPE_CAN_SOCKETCAN header is too short.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4676, __func__, "LINKTYPE_CAN_SOCKETCAN header is too short." ); } } while (0); |
| 4677 | return false0; |
| 4678 | } |
| 4679 | |
| 4680 | /* check for CAN-XL */ |
| 4681 | if ((pd[4] & CANXL_XLF0x80) == CANXL_XLF0x80) { |
| 4682 | return blf_dump_socketcanxl(wdh, rec, err, err_info, obj_timestamp, pd, length, is_rx, is_tx); |
| 4683 | } |
| 4684 | |
| 4685 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4686 | blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info); |
| 4687 | if (iface_entry == NULL((void*)0)) { |
| 4688 | return false0; |
| 4689 | } |
| 4690 | |
| 4691 | uint8_t payload_length = pd[4]; |
| 4692 | |
| 4693 | if (length < (size_t)payload_length + 8) { |
| 4694 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 4695 | *err_info = ws_strdup_printf("blf: Socket CAN message (length %u) does not contain full payload (%u)", (uint32_t)length, payload_length)wmem_strdup_printf(((void*)0), "blf: Socket CAN message (length %u) does not contain full payload (%u)" , (uint32_t)length, payload_length); |
| 4696 | ws_debug("LINKTYPE_CAN_SOCKETCAN header is too short.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4696, __func__, "LINKTYPE_CAN_SOCKETCAN header is too short." ); } } while (0); |
| 4697 | return false0; |
| 4698 | } |
| 4699 | |
| 4700 | /* LINKTYPE_LINUX_SLL would have set is_tx or is_rx */ |
| 4701 | uint8_t frame_dir = is_tx ? BLF_DIR_TX1 : BLF_DIR_RX0; |
| 4702 | if (!is_rx && !is_tx) { |
| 4703 | frame_dir = blf_get_direction(rec); |
| 4704 | } |
| 4705 | |
| 4706 | bool_Bool canfd = is_canfd; |
| 4707 | |
| 4708 | /* LINKTYPE_LINUX_SLL would have set one */ |
| 4709 | if (!is_can && !is_canfd) { |
| 4710 | if ((pd[5] & CANFD_FDF0x04) == CANFD_FDF0x04) { |
| 4711 | canfd = true1; |
| 4712 | } else { |
| 4713 | /* heuristic. if longer than header + 8 bytes data, its CAN-FD*/ |
| 4714 | canfd = rec->rec_header.packet_header.caplen > 16; |
| 4715 | } |
| 4716 | } |
| 4717 | |
| 4718 | /* XXX endianness is not defined. Assuming BE as this seems the common choice*/ |
| 4719 | uint32_t can_id = pntohu32(pd); |
| 4720 | |
| 4721 | /* lets check if can_id makes sense |
| 4722 | * 29bit CAN ID mask 0x1fffffff CAN_EFF_MASK |
| 4723 | * 11bit CAN ID mask 0x000007ff CAN_SFF_MASK |
| 4724 | * 29 only bits 0x1ffff800 CAN_EFF_MASK & !CAN_SFF_MASK |
| 4725 | */ |
| 4726 | if (((can_id & CAN_EFF_FLAG0x80000000) == 0) && ((can_id & (CAN_EFF_MASK0x1FFFFFFF & (!CAN_SFF_MASK0x000007FF))) != 0)) { |
| 4727 | ws_message("CAN-ID 0x%08x seems to be in wrong byte order, changing to little-endian", can_id)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_MESSAGE, ((void *)0), -1, ((void*)0), "CAN-ID 0x%08x seems to be in wrong byte order, changing to little-endian" , can_id); } } while (0); |
| 4728 | can_id = pletohu32(pd); |
| 4729 | } |
| 4730 | |
| 4731 | bool_Bool err_flag = (can_id & CAN_ERR_FLAG0x20000000) == CAN_ERR_FLAG0x20000000; |
| 4732 | bool_Bool rtr_flag = (can_id & CAN_RTR_FLAG0x40000000) == CAN_RTR_FLAG0x40000000; |
| 4733 | //bool ext_id_flag = (can_id & CAN_EFF_FLAG) == CAN_EFF_FLAG; |
| 4734 | can_id &= (CAN_EFF_MASK0x1FFFFFFF | CAN_EFF_FLAG0x80000000); |
| 4735 | |
| 4736 | if (canfd) { |
| 4737 | /* CAN-FD */ |
| 4738 | bool_Bool brs_flag = (pd[5] & CANFD_BRS0x01) == CANFD_BRS0x01; |
| 4739 | bool_Bool esi_flag = (pd[5] & CANFD_ESI0x02) == CANFD_ESI0x02; |
| 4740 | bool_Bool fdf_flag = (pd[5] & CANFD_FDF0x04) == CANFD_FDF0x04; |
| 4741 | |
| 4742 | blf_canfdmessage64_t canfdmsg; |
| 4743 | canfdmsg.channel = (uint8_t)iface_entry->channel; |
| 4744 | |
| 4745 | canfdmsg.dlc = (payload_length <= 64) ? canfd_length_to_dlc[payload_length] : 0; |
| 4746 | canfdmsg.validDataBytes = payload_length; |
| 4747 | canfdmsg.txCount = 0; |
| 4748 | canfdmsg.id = can_id; |
| 4749 | canfdmsg.frameLength_in_ns = 0; |
| 4750 | canfdmsg.flags = 0; |
| 4751 | |
| 4752 | /* TODO: fdf_flag is not always set for CAN-FD */ |
| 4753 | if (fdf_flag) { |
| 4754 | canfdmsg.flags = BLF_CANFDMESSAGE64_FLAG_EDL0x001000; // CAN-FD |
| 4755 | } else { |
| 4756 | ws_warning("CAN-FD has not CANFD_FDF set. File not correct.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4756, __func__, "CAN-FD has not CANFD_FDF set. File not correct." ); } } while (0); |
| 4757 | } |
| 4758 | if (brs_flag) { |
| 4759 | canfdmsg.flags |= BLF_CANFDMESSAGE64_FLAG_BRS0x002000; |
| 4760 | } |
| 4761 | if (esi_flag) { |
| 4762 | canfdmsg.flags |= BLF_CANFDMESSAGE64_FLAG_ESI0x004000; |
| 4763 | } |
| 4764 | |
| 4765 | canfdmsg.btrCfgArb = 0; |
| 4766 | canfdmsg.btrCfgData = 0; |
| 4767 | canfdmsg.timeOffsetBrsNs = 0; |
| 4768 | canfdmsg.timeOffsetCrcDelNs = 0; |
| 4769 | canfdmsg.bitCount = 0; |
| 4770 | canfdmsg.dir = frame_dir; |
| 4771 | canfdmsg.extDataOffset = 0; |
| 4772 | canfdmsg.crc = 0; |
| 4773 | |
| 4774 | fix_endianness_blf_canfdmessage64(&canfdmsg); |
| 4775 | |
| 4776 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_CAN_FD_MESSAGE_64101, sizeof(blf_canfdmessage64_t) + payload_length)) { |
| 4777 | return false0; |
| 4778 | } |
| 4779 | |
| 4780 | if (!wtap_dump_file_write(wdh, &(canfdmsg), sizeof(blf_canfdmessage64_t), err)) { |
| 4781 | return false0; |
| 4782 | } |
| 4783 | } else { |
| 4784 | /* CAN */ |
| 4785 | blf_canmessage_t canmsg; |
| 4786 | |
| 4787 | if (payload_length > 8) { |
| 4788 | ws_warning("CAN frames can only have up to 8 bytes of payload! We have %d bytes", payload_length)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4788, __func__, "CAN frames can only have up to 8 bytes of payload! We have %d bytes" , payload_length); } } while (0); |
| 4789 | payload_length = 8; |
| 4790 | } |
| 4791 | |
| 4792 | canmsg.dlc = payload_length; |
| 4793 | canmsg.channel = iface_entry->channel; |
| 4794 | |
| 4795 | canmsg.flags = 0; |
| 4796 | if (frame_dir == BLF_DIR_TX1) { |
| 4797 | canmsg.flags |= BLF_CANMESSAGE_FLAG_TX0x01; |
| 4798 | } |
| 4799 | |
| 4800 | if (err_flag) { |
| 4801 | // TODO: we need to implement CAN ERROR, ignore for now |
| 4802 | return true1; |
| 4803 | //canmsg.flags |= BLF_CANMESSAGE_FLAG_NERR; - NERR is not error |
| 4804 | } |
| 4805 | |
| 4806 | if (rtr_flag) { |
| 4807 | canmsg.flags |= BLF_CANMESSAGE_FLAG_RTR0x80; |
| 4808 | } |
| 4809 | |
| 4810 | canmsg.id = can_id; |
| 4811 | |
| 4812 | fix_endianness_blf_canmessage(&canmsg); |
| 4813 | |
| 4814 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_CAN_MESSAGE1, sizeof(blf_canmessage_t) + 8)) { |
| 4815 | return false0; |
| 4816 | } |
| 4817 | |
| 4818 | if (!wtap_dump_file_write(wdh, &(canmsg), sizeof(blf_canmessage_t), err)) { |
| 4819 | return false0; |
| 4820 | } |
| 4821 | } |
| 4822 | |
| 4823 | if (!wtap_dump_file_write(wdh, &(pd[8]), payload_length, err)) { |
| 4824 | return false0; |
| 4825 | } |
| 4826 | |
| 4827 | if (!canfd && payload_length < 8) { |
| 4828 | uint8_t padding[8] = { 0 }; |
| 4829 | if (!wtap_dump_file_write(wdh, &padding, 8 - payload_length, err)) { |
| 4830 | return false0; |
| 4831 | } |
| 4832 | } |
| 4833 | |
| 4834 | /* no padding */ |
| 4835 | |
| 4836 | return true1; |
| 4837 | } |
| 4838 | |
| 4839 | static bool_Bool blf_dump_sll(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) { |
| 4840 | /* Linux Cooked CAN / CAN-FD */ |
| 4841 | /* https://www.tcpdump.org/linktypes/LINKTYPE_LINUX_SLL.html */ |
| 4842 | |
| 4843 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data); |
| 4844 | size_t length = ws_buffer_length(&rec->data); |
| 4845 | |
| 4846 | if (length < 16) { |
| 4847 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 4848 | *err_info = ws_strdup_printf("blf: record length %u for CAN message header (LINKTYPE_LINUX_SLL) is lower than minimum of 16", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for CAN message header (LINKTYPE_LINUX_SLL) is lower than minimum of 16" , (uint32_t)length); |
| 4849 | ws_debug("LINKTYPE_LINUX_SLL header is too short.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4849, __func__, "LINKTYPE_LINUX_SLL header is too short."); } } while (0); |
| 4850 | return false0; |
| 4851 | } |
| 4852 | |
| 4853 | bool_Bool frame_tx = false0; |
| 4854 | if (pd[0] == 0 && pd[1] == 4) { |
| 4855 | frame_tx = true1; |
| 4856 | } |
| 4857 | |
| 4858 | uint16_t protocol_type = pntohu16(pd + 14); |
| 4859 | |
| 4860 | switch (protocol_type) { |
| 4861 | case 0x000C: /* CAN */ |
| 4862 | return blf_dump_socketcan(wdh, rec, err, err_info, obj_timestamp, &(pd[16]), length - 16, true1, false0, !frame_tx, frame_tx); |
| 4863 | break; |
| 4864 | case 0x000D: /* CAN-FD */ |
| 4865 | return blf_dump_socketcan(wdh, rec, err, err_info, obj_timestamp, &(pd[16]), length - 16, false0, true1, !frame_tx, frame_tx); |
| 4866 | break; |
| 4867 | case 0x000E: /* CAN-XL */ |
| 4868 | return blf_dump_socketcanxl(wdh, rec, err, err_info, obj_timestamp, &(pd[16]), length - 16, !frame_tx, frame_tx); |
| 4869 | break; |
| 4870 | default: |
| 4871 | return false0; |
| 4872 | } |
| 4873 | |
| 4874 | /* not reachable? */ |
| 4875 | return true1; |
| 4876 | } |
| 4877 | |
| 4878 | static bool_Bool blf_dump_flexray(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) { |
| 4879 | /* FlexRay */ |
| 4880 | /* https://www.tcpdump.org/linktypes/LINKTYPE_FLEXRAY.html */ |
| 4881 | |
| 4882 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 4883 | blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info); |
| 4884 | if (iface_entry == NULL((void*)0)) { |
| 4885 | return false0; |
| 4886 | } |
| 4887 | |
| 4888 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data); |
| 4889 | size_t length = ws_buffer_length(&rec->data); |
| 4890 | |
| 4891 | if (length < 1) { |
| 4892 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 4893 | *err_info = ws_strdup_printf("blf: record length %u for FlexRay header (LINKTYPE_FLEXRAY) is lower than minimum of 1", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for FlexRay header (LINKTYPE_FLEXRAY) is lower than minimum of 1" , (uint32_t)length); |
| 4894 | ws_debug("LINKTYPE_FLEXRAY header is too short (< 1 Byte).")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4894, __func__, "LINKTYPE_FLEXRAY header is too short (< 1 Byte)." ); } } while (0); |
| 4895 | return false0; |
| 4896 | } |
| 4897 | |
| 4898 | /* Check Measurement Header for Type */ |
| 4899 | if ((pd[0] & FLEXRAY_TYPE_MASK0x7f) == FLEXRAY_SYMBOL0x02) { |
| 4900 | /* Symbol */ |
| 4901 | |
| 4902 | if (length < 2) { |
| 4903 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 4904 | *err_info = ws_strdup_printf("blf: record length %u for FlexRay Symbol (LINKTYPE_FLEXRAY) is lower than minimum of 2", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for FlexRay Symbol (LINKTYPE_FLEXRAY) is lower than minimum of 2" , (uint32_t)length); |
| 4905 | ws_debug("LINKTYPE_FLEXRAY Symbol is too short (< 2 Byte).")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4905, __func__, "LINKTYPE_FLEXRAY Symbol is too short (< 2 Byte)." ); } } while (0); |
| 4906 | return false0; |
| 4907 | } |
| 4908 | |
| 4909 | /* TODO: SYMBOL */ |
| 4910 | |
| 4911 | return true1; |
| 4912 | } |
| 4913 | |
| 4914 | if ((pd[0] & FLEXRAY_TYPE_MASK0x7f) == FLEXRAY_FRAME0x01) { |
| 4915 | /* Frame */ |
| 4916 | |
| 4917 | if (length < 2 + FLEXRAY_HEADER_LENGTH5) { |
| 4918 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 4919 | *err_info = ws_strdup_printf("blf: record length %u for FlexRay Frame header (LINKTYPE_FLEXRAY) is lower than minimum of 7", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for FlexRay Frame header (LINKTYPE_FLEXRAY) is lower than minimum of 7" , (uint32_t)length); |
| 4920 | ws_debug("LINKTYPE_FLEXRAY Frame Header is too short (< 7 Byte).")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4920, __func__, "LINKTYPE_FLEXRAY Frame Header is too short (< 7 Byte)." ); } } while (0); |
| 4921 | return false0; |
| 4922 | } |
| 4923 | |
| 4924 | uint8_t payload_length = pd[4] & FLEXRAY_LENGTH_MASK0xfe; |
| 4925 | |
| 4926 | /* FLEXRAY FRAME */ |
| 4927 | blf_flexrayrcvmessage_t frmsg; |
| 4928 | |
| 4929 | frmsg.channel = (uint16_t)iface_entry->channel; |
| 4930 | frmsg.version = 1; |
| 4931 | |
| 4932 | uint32_t header_crc = (pntohu24(pd + 4) & FLEXRAY_HEADER_CRC_MASK0x01ffc0) >> FLEXRAY_HEADER_CRC_SHFT6; |
| 4933 | |
| 4934 | if ((pd[0] & FLEXRAY_CHANNEL_MASK0x80) == 0) { |
| 4935 | frmsg.channelMask = BLF_FLEXRAYRCVMSG_CHANNELMASK_A0x01; |
| 4936 | frmsg.headerCrc1 = header_crc; |
| 4937 | frmsg.headerCrc2 = 0; |
| 4938 | } else { |
| 4939 | frmsg.channelMask = BLF_FLEXRAYRCVMSG_CHANNELMASK_B0x02; |
| 4940 | frmsg.headerCrc1 = 0; |
| 4941 | frmsg.headerCrc2 = header_crc; |
| 4942 | } |
| 4943 | |
| 4944 | frmsg.dir = blf_get_direction(rec); |
| 4945 | frmsg.clientIndex = 0; |
| 4946 | frmsg.clusterNo = 0; |
| 4947 | frmsg.frameId = (pntohu16(pd + 2)) & FLEXRAY_ID_MASK0x07ff; |
| 4948 | frmsg.payloadLength = payload_length; |
| 4949 | frmsg.payloadLengthValid = payload_length; |
| 4950 | frmsg.cycle = pd[6] & FLEXRAY_CC_MASK0x3f; |
| 4951 | frmsg.tag = 0; |
| 4952 | frmsg.data = 0; |
| 4953 | frmsg.frameFlags = 0; |
| 4954 | |
| 4955 | /* The NULL Flag 1 -> False */ |
| 4956 | bool_Bool null_frame = (pd[2] & FLEXRAY_NFI_MASK0x20) != FLEXRAY_NFI_MASK0x20; |
| 4957 | |
| 4958 | if (null_frame) { |
| 4959 | frmsg.frameFlags |= BLF_FLEXRAYRCVMSG_FRAME_FLAG_NULL_FRAME0x00000001; |
| 4960 | /* LINKTYPE_FLEXRAY has no payload for Null Frames present */ |
| 4961 | payload_length = 0; |
| 4962 | } |
| 4963 | |
| 4964 | /* TODO: check truncated data */ |
| 4965 | if (payload_length > 0) { |
| 4966 | /* Data Valid*/ |
| 4967 | frmsg.frameFlags |= BLF_FLEXRAYRCVMSG_FRAME_FLAG_VALID_DATA0x00000002; |
| 4968 | } |
| 4969 | |
| 4970 | if ((pd[2] & FLEXRAY_SFI_MASK0x10) == FLEXRAY_SFI_MASK0x10) { |
| 4971 | frmsg.frameFlags |= BLF_FLEXRAYRCVMSG_FRAME_FLAG_SYNC0x00000004; |
| 4972 | } |
| 4973 | |
| 4974 | if ((pd[2] & FLEXRAY_STFI_MASK0x08) == FLEXRAY_STFI_MASK0x08) { |
| 4975 | frmsg.frameFlags |= BLF_FLEXRAYRCVMSG_FRAME_FLAG_STARTUP0x00000008; |
| 4976 | } |
| 4977 | |
| 4978 | if ((pd[2] & FLEXRAY_PPI_MASK0x40) == FLEXRAY_PPI_MASK0x40) { |
| 4979 | frmsg.frameFlags |= BLF_FLEXRAYRCVMSG_FRAME_FLAG_PAYLOAD_PREAM0x00000010; |
| 4980 | } |
| 4981 | |
| 4982 | if ((pd[2] & FLEXRAY_RES_MASK0x80) == FLEXRAY_RES_MASK0x80) { |
| 4983 | frmsg.frameFlags |= BLF_FLEXRAYRCVMSG_FRAME_FLAG_RES_200x00000020; |
| 4984 | } |
| 4985 | |
| 4986 | /* if any error flag is set */ |
| 4987 | if ((pd[1] & FLEXRAY_ERRORS_DEFINED0x1f) != 0x00) { |
| 4988 | frmsg.frameFlags |= BLF_FLEXRAYRCVMSG_FRAME_FLAG_ERROR0x00000040; |
| 4989 | } |
| 4990 | |
| 4991 | /* Not sure how to determine this as we do not know the low level parameters */ |
| 4992 | //if ( ) { |
| 4993 | // /* DYNAMIC SEG =1 (Bit 20)*/ |
| 4994 | // frmsg.frameFlags |= 0x100000; |
| 4995 | //} |
| 4996 | |
| 4997 | frmsg.appParameter = 0; |
| 4998 | |
| 4999 | fix_endianness_blf_flexrayrcvmessage(&frmsg); |
| 5000 | |
| 5001 | if (length < (size_t)payload_length + 2 + FLEXRAY_HEADER_LENGTH5) { |
| 5002 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 5003 | *err_info = ws_strdup_printf("blf: record length %u for FlexRay Frame (LINKTYPE_FLEXRAY) is truncated", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for FlexRay Frame (LINKTYPE_FLEXRAY) is truncated" , (uint32_t)length); |
| 5004 | ws_debug("LINKTYPE_FLEXRAY Frame truncated.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5004, __func__, "LINKTYPE_FLEXRAY Frame truncated."); } } while (0); |
| 5005 | return false0; |
| 5006 | } |
| 5007 | |
| 5008 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_FLEXRAY_RCVMESSAGE50, sizeof(blf_flexrayrcvmessage_t) + 254)) { |
| 5009 | return false0; |
| 5010 | } |
| 5011 | |
| 5012 | if (!wtap_dump_file_write(wdh, &(frmsg), sizeof(blf_flexrayrcvmessage_t), err)) { |
| 5013 | return false0; |
| 5014 | } |
| 5015 | |
| 5016 | if (payload_length > 0) { |
| 5017 | if (!wtap_dump_file_write(wdh, &(pd[7]), payload_length, err)) { |
| 5018 | return false0; |
| 5019 | } |
| 5020 | } |
| 5021 | |
| 5022 | const uint8_t zero_bytes[256] = { 0 }; |
| 5023 | |
| 5024 | if (payload_length < 254) { |
| 5025 | if (!wtap_dump_file_write(wdh, &zero_bytes[0], 254 - payload_length, err)) { |
| 5026 | return false0; |
| 5027 | } |
| 5028 | } |
| 5029 | |
| 5030 | return true1; |
| 5031 | } |
| 5032 | |
| 5033 | /* no padding */ |
| 5034 | |
| 5035 | return true1; |
| 5036 | } |
| 5037 | |
| 5038 | static bool_Bool blf_dump_lin(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) { |
| 5039 | /* LIN */ |
| 5040 | /* https://www.tcpdump.org/linktypes/LINKTYPE_LIN.html */ |
| 5041 | |
| 5042 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 5043 | blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info); |
| 5044 | if (iface_entry == NULL((void*)0)) { |
| 5045 | return false0; |
| 5046 | } |
| 5047 | |
| 5048 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data); |
| 5049 | size_t length = ws_buffer_length(&rec->data); |
| 5050 | |
| 5051 | if (length < 8) { |
| 5052 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 5053 | *err_info = ws_strdup_printf("blf: record length %u for LIN message/symbol/error is lower than minimum of 8", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for LIN message/symbol/error is lower than minimum of 8" , (uint32_t)length); |
| 5054 | ws_debug("LIN Data is too short (less than 8 bytes).")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5054, __func__, "LIN Data is too short (less than 8 bytes)." ); } } while (0); |
| 5055 | return false0; |
| 5056 | } |
| 5057 | |
| 5058 | uint8_t lin_err = pd[7] & 0x3f; |
| 5059 | if (lin_err != 0) { |
| 5060 | // TODO: handle LIN errors |
| 5061 | return true1; |
| 5062 | } |
| 5063 | |
| 5064 | int i; |
| 5065 | uint8_t dlc = (pd[4] & LIN_PAYLOAD_LENGTH_MASK0xf0) >> 4; |
| 5066 | uint8_t msg_type = (pd[4] & LIN_MSG_TYPE_MASK0x0c) >> 2; |
| 5067 | |
| 5068 | if (msg_type != LIN_MSG_TYPE_FRAME0) { |
| 5069 | // TODO: handle LIN events |
| 5070 | return true1; |
| 5071 | } |
| 5072 | |
| 5073 | /* we need to have at least the data */ |
| 5074 | if (length < (size_t)dlc + 8) { |
| 5075 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 5076 | *err_info = ws_strdup_printf("blf: record length %u for LIN message is too low for data. DLC: %u.", (uint32_t)length, dlc)wmem_strdup_printf(((void*)0), "blf: record length %u for LIN message is too low for data. DLC: %u." , (uint32_t)length, dlc); |
| 5077 | ws_debug("LIN Data is too short (less than needed).")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5077, __func__, "LIN Data is too short (less than needed)." ); } } while (0); |
| 5078 | return false0; |
| 5079 | } |
| 5080 | |
| 5081 | /* we ignore padding as we do not need it anyhow */ |
| 5082 | |
| 5083 | blf_linmessage_t linmsg; |
| 5084 | linmsg.channel = (uint16_t)iface_entry->channel; |
| 5085 | linmsg.id = pd[5]; |
| 5086 | linmsg.dlc = dlc; |
| 5087 | for (i = 0; i < 8; i++) { |
| 5088 | if (i < dlc) { |
| 5089 | linmsg.data[i] = pd[i + 8]; |
| 5090 | } else { |
| 5091 | linmsg.data[i] = 0; |
| 5092 | } |
| 5093 | } |
| 5094 | linmsg.fsmId = 0; |
| 5095 | linmsg.fsmState = 0; |
| 5096 | linmsg.headerTime = 0; |
| 5097 | linmsg.fullTime = 0; |
| 5098 | linmsg.crc = pd[6]; |
| 5099 | linmsg.dir = blf_get_direction(rec); |
| 5100 | linmsg.res1 = 0; |
| 5101 | |
| 5102 | fix_endianness_blf_linmessage(&linmsg); |
| 5103 | |
| 5104 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_LIN_MESSAGE11, sizeof(blf_linmessage_t) + 4)) { |
| 5105 | return false0; |
| 5106 | } |
| 5107 | |
| 5108 | if (!wtap_dump_file_write(wdh, &(linmsg), sizeof(blf_linmessage_t), err)) { |
| 5109 | return false0; |
| 5110 | } |
| 5111 | |
| 5112 | uint8_t rest_of_header[4] = { 0, 0, 0, 0}; |
| 5113 | |
| 5114 | if (!wtap_dump_file_write(wdh, &(rest_of_header), 4, err)) { |
| 5115 | return false0; |
| 5116 | } |
| 5117 | |
| 5118 | /* no padding! */ |
| 5119 | |
| 5120 | return true1; |
| 5121 | } |
| 5122 | |
| 5123 | static bool_Bool blf_dump_upper_pdu(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) { |
| 5124 | const blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 5125 | |
| 5126 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data); |
| 5127 | size_t length = ws_buffer_length(&rec->data); |
| 5128 | |
| 5129 | unsigned tag_diss_pos = 0; |
| 5130 | size_t tag_diss_len = 0; |
| 5131 | unsigned col_proto_pos = 0; |
| 5132 | size_t col_proto_len = 0; |
| 5133 | unsigned col_info_pos = 0; |
| 5134 | size_t col_info_len = 0; |
| 5135 | |
| 5136 | /* parse the tags */ |
| 5137 | size_t pos = 0; |
| 5138 | bool_Bool done = false0; |
| 5139 | while (!done) { |
| 5140 | if (length - pos < 4) { |
| 5141 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 5142 | *err_info = ws_strdup_printf("blf: Upper PDU has no or truncated tags (pos: %u, length: %u)", (uint32_t)pos, (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: Upper PDU has no or truncated tags (pos: %u, length: %u)" , (uint32_t)pos, (uint32_t)length); |
| 5143 | ws_debug("Upper PDU has truncated tags.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5143, __func__, "Upper PDU has truncated tags."); } } while (0); |
| 5144 | return false0; |
| 5145 | } |
| 5146 | |
| 5147 | uint16_t tag_type = pntohu16(pd + pos); |
| 5148 | uint16_t tag_len = pntohu16(pd + pos + 2); |
| 5149 | |
| 5150 | if ((length - pos) < (size_t)tag_len + 4) { |
| 5151 | *err = WTAP_ERR_UNWRITABLE_REC_DATA-25; |
| 5152 | *err_info = ws_strdup_printf("blf: Upper PDU has truncated tags (pos: %u, tag_type: %u, tag_len: %u)", (uint32_t)pos, tag_type, tag_len)wmem_strdup_printf(((void*)0), "blf: Upper PDU has truncated tags (pos: %u, tag_type: %u, tag_len: %u)" , (uint32_t)pos, tag_type, tag_len); |
| 5153 | ws_debug("Upper PDU has truncated tags.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5153, __func__, "Upper PDU has truncated tags."); } } while (0); |
| 5154 | return false0; |
| 5155 | } |
| 5156 | |
| 5157 | switch (tag_type) { |
| 5158 | case EXP_PDU_TAG_DISSECTOR_NAME12: |
| 5159 | tag_diss_pos = (unsigned)pos + 4; |
| 5160 | tag_diss_len = tag_len; |
| 5161 | break; |
| 5162 | |
| 5163 | case EXP_PDU_TAG_COL_PROT_TEXT33: |
| 5164 | col_proto_pos = (unsigned)pos + 4; |
| 5165 | col_proto_len = tag_len; |
| 5166 | break; |
| 5167 | |
| 5168 | case EXP_PDU_TAG_COL_INFO_TEXT36: |
| 5169 | col_info_pos = (unsigned)pos + 4; |
| 5170 | col_info_len = tag_len; |
| 5171 | break; |
| 5172 | |
| 5173 | case EXP_PDU_TAG_END_OF_OPT0: |
| 5174 | done = true1; |
| 5175 | break; |
| 5176 | } |
| 5177 | |
| 5178 | pos += 4; |
| 5179 | pos += tag_len; |
| 5180 | } |
| 5181 | |
| 5182 | /* strip zero termination, if existing (a missing tag has length 0) */ |
| 5183 | while (tag_diss_len > 0 && pd[tag_diss_pos + tag_diss_len - 1] == 0) { |
| 5184 | tag_diss_len -= 1; |
| 5185 | } |
| 5186 | |
| 5187 | while (col_proto_len > 0 && pd[col_proto_pos + col_proto_len - 1] == 0) { |
| 5188 | col_proto_len -= 1; |
| 5189 | } |
| 5190 | |
| 5191 | while (col_info_len > 0 && pd[col_info_pos + col_info_len - 1] == 0) { |
| 5192 | col_info_len -= 1; |
| 5193 | } |
| 5194 | |
| 5195 | if (tag_diss_len == strlen(BLF_APPTEXT_TAG_DISS_DEFAULT"data-text-lines") && 0 == strncmp(BLF_APPTEXT_TAG_DISS_DEFAULT"data-text-lines", (const char*)&pd[tag_diss_pos], tag_diss_len)) { |
| 5196 | if (col_proto_len == strlen(BLF_APPTEXT_COL_PROT_TEXT"BLF App text") && 0 == strncmp(BLF_APPTEXT_COL_PROT_TEXT"BLF App text", (const char*)&pd[col_proto_pos], col_proto_len)) { |
| 5197 | blf_apptext_t apptext_header; |
| 5198 | apptext_header.source = BLF_APPTEXT_METADATA0x00000002; |
| 5199 | apptext_header.reservedAppText1 = 0; |
| 5200 | apptext_header.reservedAppText2 = 412; /* not sure what to put in but this is commonly used!? */ |
| 5201 | uint32_t payload_len = (uint32_t)(length - pos); |
| 5202 | apptext_header.textLength = payload_len; |
| 5203 | |
| 5204 | /* Metadata */ |
| 5205 | /* tags: BLF_APPTEXT_TAG_DISS_DEFAULT, BLF_APPTEXT_COL_PROT_TEXT, BLF_APPTEXT_COL_INFO_TEXT_... */ |
| 5206 | if (col_info_len == strlen(BLF_APPTEXT_COL_INFO_TEXT_GENERAL"Metadata: General") && 0 == strncmp(BLF_APPTEXT_COL_INFO_TEXT_GENERAL"Metadata: General", (const char*)&pd[col_info_pos], col_info_len)) { |
| 5207 | /* BLF_APPTEXT_METADATA: BLF_APPTEXT_XML_GENERAL */ |
| 5208 | apptext_header.reservedAppText1 = (BLF_APPTEXT_XML_GENERAL0x01 << 24) | (0xffffff & payload_len); |
| 5209 | } else if (col_info_len == strlen(BLF_APPTEXT_COL_INFO_TEXT_CHANNELS"Metadata: Channels") && 0 == strncmp(BLF_APPTEXT_COL_INFO_TEXT_CHANNELS"Metadata: Channels", (const char*)&pd[col_info_pos], col_info_len)) { |
| 5210 | /* BLF_APPTEXT_METADATA: BLF_APPTEXT_XML_CHANNELS */ |
| 5211 | if (writer_data->iface_to_channel_names_recovered) { |
| 5212 | apptext_header.reservedAppText1 = (BLF_APPTEXT_XML_CHANNELS0x02 << 24) | (0xffffff & payload_len); |
| 5213 | } |
| 5214 | } else if (col_info_len == strlen(BLF_APPTEXT_COL_INFO_TEXT_IDENTITY"Metadata: Identity") && 0 == strncmp(BLF_APPTEXT_COL_INFO_TEXT_IDENTITY"Metadata: Identity", (const char*)&pd[col_info_pos], col_info_len)) { |
| 5215 | /* BLF_APPTEXT_METADATA: BLF_APPTEXT_XML_IDENTITY */ |
| 5216 | apptext_header.reservedAppText1 = (BLF_APPTEXT_XML_IDENTITY0x03 << 24) | (0xffffff & payload_len); |
| 5217 | |
| 5218 | //} else if |
| 5219 | /* BLF_APPTEXT_COMMENT */ |
| 5220 | /* tags: BLF_APPTEXT_TAG_DISS_DEFAULT, BLF_APPTEXT_COL_PROT_TEXT, "Comment: %s" */ |
| 5221 | // TODO |
| 5222 | //} else if |
| 5223 | /* BLF_APPTEXT_ATTACHMENT */ |
| 5224 | /* tags: BLF_APPTEXT_TAG_DISS_DEFAULT, BLF_APPTEXT_COL_PROT_TEXT, "Attachment: %s" */ |
| 5225 | // TODO |
| 5226 | //} else if |
| 5227 | /* BLF_APPTEXT_TRACELINE */ |
| 5228 | /* tags: BLF_APPTEXT_TAG_DISS_DEFAULT, BLF_APPTEXT_COL_PROT_TEXT, "Trace line%s: %s" */ |
| 5229 | // TODO |
| 5230 | } else { |
| 5231 | return true1; /* just leave */ |
| 5232 | } |
| 5233 | |
| 5234 | if (payload_len > 2048 && (apptext_header.source != BLF_APPTEXT_METADATA0x00000002)) { |
| 5235 | ws_warning("Only Meta Data can be broken into smaller chunks.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 5235, __func__, "Only Meta Data can be broken into smaller chunks." ); } } while (0); |
| 5236 | } |
| 5237 | |
| 5238 | uint32_t chunk_size; |
| 5239 | bool_Bool last_round = false0; |
| 5240 | do { |
| 5241 | if (payload_len > 2048 && apptext_header.source == BLF_APPTEXT_METADATA0x00000002) { |
| 5242 | chunk_size = 2048; |
| 5243 | } else { |
| 5244 | chunk_size = payload_len; |
| 5245 | last_round = true1; |
| 5246 | } |
| 5247 | |
| 5248 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_APP_TEXT65, sizeof(blf_apptext_t) + chunk_size)) { |
| 5249 | return false0; |
| 5250 | } |
| 5251 | |
| 5252 | if (apptext_header.source == BLF_APPTEXT_METADATA0x00000002) { |
| 5253 | apptext_header.reservedAppText1 = (0xff000000 & apptext_header.reservedAppText1) | (0x00ffffff & payload_len); |
| 5254 | } |
| 5255 | |
| 5256 | apptext_header.textLength = chunk_size; |
| 5257 | fix_endianness_blf_apptext_header(&apptext_header); |
| 5258 | if (!wtap_dump_file_write(wdh, &(apptext_header), sizeof(blf_apptext_t), err)) { |
| 5259 | return false0; |
| 5260 | } |
| 5261 | if (!last_round) { |
| 5262 | fix_endianness_blf_apptext_header(&apptext_header); |
| 5263 | } |
| 5264 | |
| 5265 | if (!wtap_dump_file_write(wdh, &(pd[pos]), chunk_size, err)) { |
| 5266 | return false0; |
| 5267 | } |
| 5268 | pos += chunk_size; |
| 5269 | |
| 5270 | /* Add strange padding to 4 bytes. */ |
| 5271 | uint8_t padding_needed = (sizeof(blf_apptext_t) + chunk_size) % 4; |
| 5272 | if (!blf_write_add_padding(wdh, err, padding_needed)) { |
| 5273 | return false0; |
| 5274 | } |
| 5275 | |
| 5276 | if (!last_round) { |
| 5277 | payload_len -= 2048; |
| 5278 | } |
| 5279 | } while (!last_round); |
| 5280 | |
| 5281 | return true1; |
| 5282 | } |
| 5283 | // else if |
| 5284 | /* BLF_OBJTYPE_ETHERNET_STATUS */ |
| 5285 | /* tags: BLF_APPTEXT_TAG_DISS_ETHSTATUS */ |
| 5286 | // TODO |
| 5287 | |
| 5288 | // else if |
| 5289 | /* BLF_OBJTYPE_ETHERNET_PHY_STATE */ |
| 5290 | /* tags: BLF_APPTEXT_TAG_DISS_ETHPHYSTATUS */ |
| 5291 | // TODO |
| 5292 | } |
| 5293 | |
| 5294 | return true1; |
| 5295 | } |
| 5296 | |
| 5297 | static bool_Bool blf_dump_interface_setup_by_blf_based_idb_desc(wtap_dumper *wdh, int *err _U___attribute__((unused))) { |
| 5298 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 5299 | bool_Bool iface_descr_found; |
| 5300 | |
| 5301 | /* check all interfaces first to avoid inconsistent state */ |
| 5302 | for (unsigned i = 0; i < wdh->interface_data->len; i++) { |
| 5303 | ws_debug("interface: %d (pass 1)", i)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5303, __func__, "interface: %d (pass 1)", i); } } while (0); |
| 5304 | |
| 5305 | /* get interface data */ |
| 5306 | wtap_block_t idb = g_array_index(wdh->interface_data, wtap_block_t, i)(((wtap_block_t*) (void *) (wdh->interface_data)->data) [(i)]); |
| 5307 | if (idb == NULL((void*)0)) { |
| 5308 | return false0; |
| 5309 | } |
| 5310 | |
| 5311 | char *iface_descr = NULL((void*)0); |
| 5312 | iface_descr_found = wtap_block_get_string_option_value(idb, OPT_IDB_DESCRIPTION3, &iface_descr) == WTAP_OPTTYPE_SUCCESS; |
| 5313 | |
| 5314 | if (!iface_descr_found) { |
| 5315 | ws_debug("IDB interface description not found! We need to map the interfaces.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5315, __func__, "IDB interface description not found! We need to map the interfaces." ); } } while (0); |
| 5316 | return false0; |
| 5317 | } |
| 5318 | |
| 5319 | if (strncmp(iface_descr, "BLF-", 4) != 0) { |
| 5320 | ws_debug("IDB interface description found but not BLF format! We have to map freely the interfaces.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5320, __func__, "IDB interface description found but not BLF format! We have to map freely the interfaces." ); } } while (0); |
| 5321 | return false0; |
| 5322 | } |
| 5323 | } |
| 5324 | |
| 5325 | for (unsigned i = 0; i < wdh->interface_data->len; i++) { |
| 5326 | ws_debug("interface: %d (pass 2)", i)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5326, __func__, "interface: %d (pass 2)", i); } } while (0); |
| 5327 | |
| 5328 | /* get interface data */ |
| 5329 | wtap_block_t idb = g_array_index(wdh->interface_data, wtap_block_t, i)(((wtap_block_t*) (void *) (wdh->interface_data)->data) [(i)]); |
| 5330 | if (idb == NULL((void*)0)) { |
| 5331 | return false0; |
| 5332 | } |
| 5333 | |
| 5334 | char *iface_descr = NULL((void*)0); |
| 5335 | iface_descr_found = wtap_block_get_string_option_value(idb, OPT_IDB_DESCRIPTION3, &iface_descr) == WTAP_OPTTYPE_SUCCESS; |
| 5336 | |
| 5337 | if (!iface_descr_found) { |
| 5338 | /* This cannot be reached but it removes a warning. */ |
| 5339 | ws_debug("IDB interface description not found! We need to map the interfaces.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5339, __func__, "IDB interface description not found! We need to map the interfaces." ); } } while (0); |
| 5340 | return false0; |
| 5341 | } |
| 5342 | |
| 5343 | if (strncmp(iface_descr, "BLF-ETH-", 8) == 0) { |
| 5344 | char *endptr; |
| 5345 | uint16_t channel = (uint16_t)strtol(&iface_descr[8], &endptr, 16); |
| 5346 | uint16_t hwchannel = (uint16_t)strtol(&endptr[1], NULL((void*)0), 16); |
| 5347 | |
| 5348 | if (!blf_dump_set_interface_mapping(wdh, i, WTAP_ENCAP_ETHERNET1, channel, hwchannel)) { |
| 5349 | return false0; |
| 5350 | } |
| 5351 | } else if (strncmp(iface_descr, "BLF-CAN-", 8) == 0) { |
| 5352 | uint16_t channel = (uint16_t)strtol(&iface_descr[8], NULL((void*)0), 16); |
| 5353 | |
| 5354 | if (!blf_dump_set_interface_mapping(wdh, i, WTAP_ENCAP_SOCKETCAN125, channel, UINT16_MAX(65535))) { |
| 5355 | return false0; |
| 5356 | } |
| 5357 | } else if (strncmp(iface_descr, "BLF-LIN-", 8) == 0) { |
| 5358 | uint16_t channel = (uint16_t)strtol(&iface_descr[8], NULL((void*)0), 16); |
| 5359 | |
| 5360 | if (!blf_dump_set_interface_mapping(wdh, i, WTAP_ENCAP_LIN107, channel, UINT16_MAX(65535))) { |
| 5361 | return false0; |
| 5362 | } |
| 5363 | } else if (strncmp(iface_descr, "BLF-FR-", 7) == 0) { |
| 5364 | uint16_t channel = (uint16_t)strtol(&iface_descr[7], NULL((void*)0), 16); |
| 5365 | |
| 5366 | if (!blf_dump_set_interface_mapping(wdh, i, WTAP_ENCAP_FLEXRAY106, channel, UINT16_MAX(65535))) { |
| 5367 | return false0; |
| 5368 | } |
| 5369 | } |
| 5370 | } |
| 5371 | |
| 5372 | writer_data->iface_to_channel_names_recovered = true1; |
| 5373 | return true1; |
| 5374 | } |
| 5375 | |
| 5376 | static bool_Bool blf_dump_interface_setup(wtap_dumper *wdh, int *err) { |
| 5377 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 5378 | |
| 5379 | /* Try 1: BLF details in Interface Description */ |
| 5380 | if (blf_dump_interface_setup_by_blf_based_idb_desc(wdh, err)) { |
| 5381 | return true1; |
| 5382 | } |
| 5383 | |
| 5384 | /* Try 2: Generate new IDs by mapping Interface IDs and also add names to BLF */ |
| 5385 | for (unsigned i = 0; i < wdh->interface_data->len; i++) { |
| 5386 | ws_debug("i: %d", i)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5386, __func__, "i: %d", i); } } while (0); |
| 5387 | |
| 5388 | /* get interface data */ |
| 5389 | wtap_block_t idb = g_array_index(wdh->interface_data, wtap_block_t, i)(((wtap_block_t*) (void *) (wdh->interface_data)->data) [(i)]); |
| 5390 | if (idb == NULL((void*)0)) { |
| 5391 | return false0; |
| 5392 | } |
| 5393 | |
| 5394 | const wtapng_if_descr_mandatory_t *mand_data = (wtapng_if_descr_mandatory_t *) idb->mandatory_data; |
| 5395 | |
| 5396 | if (mand_data->wtap_encap == WTAP_ENCAP_ETHERNET1 || mand_data->wtap_encap == WTAP_ENCAP_SLL25 || |
| 5397 | mand_data->wtap_encap == WTAP_ENCAP_LIN107 || mand_data->wtap_encap == WTAP_ENCAP_SOCKETCAN125 || |
| 5398 | mand_data->wtap_encap == WTAP_ENCAP_FLEXRAY106) { |
| 5399 | |
| 5400 | char *iface_name = NULL((void*)0); |
| 5401 | bool_Bool iface_name_found = wtap_block_get_string_option_value(idb, OPT_IDB_NAME2, &iface_name) == WTAP_OPTTYPE_SUCCESS; |
| 5402 | |
| 5403 | /* BLF can only support 255 channels */ |
| 5404 | if (iface_name_found && iface_name != NULL((void*)0) && (i) < 255) { |
| 5405 | uint8_t iface_id = (uint8_t)(i + 1); |
| 5406 | |
| 5407 | /* we are not even trying to create APPTEXT CHANNELS as we are missing too much information */ |
| 5408 | |
| 5409 | /* mapping up to 255 interface ids to channels directly */ |
| 5410 | if (!blf_dump_set_interface_mapping(wdh, i, mand_data->wtap_encap, (uint16_t)iface_id, UINT16_MAX(65535))) { |
| 5411 | return false0; |
| 5412 | } |
| 5413 | } |
| 5414 | } |
| 5415 | } |
| 5416 | |
| 5417 | return true1; |
| 5418 | } |
| 5419 | |
| 5420 | #define NS_PER_S1000000000 1000000000 |
| 5421 | |
| 5422 | static bool_Bool blf_dump(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info) { |
| 5423 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv; |
| 5424 | ws_debug("encap = %d (%s) rec type = %u", rec->rec_header.packet_header.pkt_encap,do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5425, __func__, "encap = %d (%s) rec type = %u", rec->rec_header .packet_header.pkt_encap, wtap_encap_description(rec->rec_header .packet_header.pkt_encap), rec->rec_type); } } while (0) |
| 5425 | wtap_encap_description(rec->rec_header.packet_header.pkt_encap), rec->rec_type)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5425, __func__, "encap = %d (%s) rec type = %u", rec->rec_header .packet_header.pkt_encap, wtap_encap_description(rec->rec_header .packet_header.pkt_encap), rec->rec_type); } } while (0); |
| 5426 | |
| 5427 | /* TODO */ |
| 5428 | switch (rec->rec_type) { |
| 5429 | case REC_TYPE_PACKET0: |
| 5430 | break; |
| 5431 | default: |
| 5432 | *err = WTAP_ERR_UNWRITABLE_REC_TYPE-24; |
| 5433 | return false0; |
| 5434 | } |
| 5435 | |
| 5436 | /* logcontainer full already? we just estimate the headers/overhead to be less than 100 */ |
| 5437 | blf_dump_check_logcontainer_full(wdh, err, err_info, rec->rec_header.packet_header.len + 100); |
| 5438 | |
| 5439 | uint64_t obj_timestamp = (rec->ts.secs * 1000 * 1000 * 1000 + rec->ts.nsecs); |
| 5440 | |
| 5441 | /* Due to all object timestamps being relative the file header start time, we only want to do this once. */ |
| 5442 | /* Packets can be skipped due to writing of that specfic event type not being supported or just not yet */ |
| 5443 | /* implemented, so use the object_count to know if any events has been output to file yet. */ |
| 5444 | if (writer_data->object_count == 0) { |
| 5445 | /* TODO: refine method. Right now assume no event will ever be more than 1 second prior to first packet time. */ |
| 5446 | /* Suggested improvement 1: For 2-pass or preloaded data use the time of the actual first event. */ |
| 5447 | /* Suggested improvement 2: For single step conversion, make safety margin configurable. */ |
| 5448 | if(obj_timestamp > NS_PER_S1000000000) { |
| 5449 | writer_data->start_time = obj_timestamp - NS_PER_S1000000000; |
| 5450 | } else { |
| 5451 | writer_data->start_time = 0; |
| 5452 | } |
| 5453 | } |
| 5454 | |
| 5455 | if (obj_timestamp < writer_data->start_time) { |
| 5456 | *err = WTAP_ERR_BAD_FILE-13; |
| 5457 | *err_info = ws_strdup("blf_dump: packet timestamp more than 1 second earlier than first packet encountered, making the file timetamp invalid. Reordering packets chronologically will solve this.")wmem_strdup(((void*)0), "blf_dump: packet timestamp more than 1 second earlier than first packet encountered, making the file timetamp invalid. Reordering packets chronologically will solve this." ); |
| 5458 | return false0; |
| 5459 | } |
| 5460 | |
| 5461 | if (writer_data->end_time < obj_timestamp) { |
| 5462 | writer_data->end_time = obj_timestamp; |
| 5463 | } |
| 5464 | |
| 5465 | /* reduce by BLF start offset */ |
| 5466 | obj_timestamp = obj_timestamp - writer_data->start_time; |
| 5467 | |
| 5468 | switch (rec->rec_header.packet_header.pkt_encap) { |
| 5469 | case WTAP_ENCAP_ETHERNET1: /* 1 */ |
| 5470 | return blf_dump_ethernet(wdh, rec, err, err_info, obj_timestamp); |
| 5471 | break; |
| 5472 | |
| 5473 | case WTAP_ENCAP_SLL25: /* 25 */ |
| 5474 | return blf_dump_sll(wdh, rec, err, err_info, obj_timestamp); |
| 5475 | break; |
| 5476 | |
| 5477 | case WTAP_ENCAP_FLEXRAY106: /* 106 */ |
| 5478 | return blf_dump_flexray(wdh, rec, err, err_info, obj_timestamp); |
| 5479 | break; |
| 5480 | |
| 5481 | case WTAP_ENCAP_LIN107: /* 107 */ |
| 5482 | return blf_dump_lin(wdh, rec, err, err_info, obj_timestamp); |
| 5483 | break; |
| 5484 | |
| 5485 | case WTAP_ENCAP_SOCKETCAN125: { /* 125 */ |
| 5486 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data); |
| 5487 | size_t length = ws_buffer_length(&rec->data); |
| 5488 | return blf_dump_socketcan(wdh, rec, err, err_info, obj_timestamp, pd, length, false0, false0, false0, false0); |
| 5489 | } |
| 5490 | break; |
| 5491 | |
| 5492 | case WTAP_ENCAP_WIRESHARK_UPPER_PDU155: /* 155 */ |
| 5493 | return blf_dump_upper_pdu(wdh, rec, err, err_info, obj_timestamp); |
| 5494 | break; |
| 5495 | |
| 5496 | default: |
| 5497 | break; |
| 5498 | } |
| 5499 | |
| 5500 | return true1; |
| 5501 | } |
| 5502 | |
| 5503 | /* Returns 0 if we could write the specified encapsulation type, |
| 5504 | an error indication otherwise. */ |
| 5505 | static int blf_dump_can_write_encap(int wtap_encap) { |
| 5506 | ws_debug("encap = %d (%s)", wtap_encap, wtap_encap_description(wtap_encap))do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5506, __func__, "encap = %d (%s)", wtap_encap, wtap_encap_description (wtap_encap)); } } while (0); |
| 5507 | |
| 5508 | /* Per-packet encapsulation is supported. */ |
| 5509 | if (wtap_encap == WTAP_ENCAP_PER_PACKET-1) |
| 5510 | return 0; |
| 5511 | |
| 5512 | switch (wtap_encap) { |
| 5513 | /* fall through */ |
| 5514 | case WTAP_ENCAP_ETHERNET1: |
| 5515 | case WTAP_ENCAP_SLL25: |
| 5516 | case WTAP_ENCAP_FLEXRAY106: |
| 5517 | case WTAP_ENCAP_LIN107: |
| 5518 | case WTAP_ENCAP_SOCKETCAN125: |
| 5519 | case WTAP_ENCAP_WIRESHARK_UPPER_PDU155: |
| 5520 | return 0; |
| 5521 | } |
| 5522 | |
| 5523 | return WTAP_ERR_UNWRITABLE_ENCAP-8; |
| 5524 | } |
| 5525 | |
| 5526 | static bool_Bool blf_add_idb(wtap_dumper *wdh, wtap_block_t idb _U___attribute__((unused)), int *err _U___attribute__((unused)), char **err_info _U___attribute__((unused))) { |
| 5527 | ws_debug("entering function")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5527, __func__, "entering function"); } } while (0); |
| 5528 | /* |
| 5529 | * A new IDB was added to the list of itnerfaces for the file to |
| 5530 | * which we're writing; update hte interface mapping. |
| 5531 | */ |
| 5532 | blf_dump_interface_setup(wdh, err); // Expands and populates the interface mapping |
| 5533 | |
| 5534 | return true1; |
| 5535 | } |
| 5536 | |
| 5537 | /* Finish writing to a dump file. |
| 5538 | Returns true on success, false on failure. */ |
| 5539 | static bool_Bool blf_dump_finish(wtap_dumper *wdh, int *err, char **err_info) { |
| 5540 | if (!blf_dump_close_logcontainer(wdh, err, err_info)) { |
| 5541 | blf_dump_free(wdh); |
| 5542 | return false0; |
| 5543 | } |
| 5544 | |
| 5545 | if (!blf_finalize_file_header(wdh, err)) { |
| 5546 | blf_dump_free(wdh); |
| 5547 | return false0; |
| 5548 | } |
| 5549 | |
| 5550 | blf_dump_free(wdh); |
| 5551 | /* File is finished, do not touch anymore ! */ |
| 5552 | |
| 5553 | ws_debug("leaving function")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5553, __func__, "leaving function"); } } while (0); |
| 5554 | return true1; |
| 5555 | } |
| 5556 | |
| 5557 | /* Returns true on success, false on failure; sets "*err" to an error code on |
| 5558 | failure */ |
| 5559 | static bool_Bool |
| 5560 | blf_dump_open(wtap_dumper *wdh, int *err, char **err_info) { |
| 5561 | ws_debug("entering function")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5561, __func__, "entering function"); } } while (0); |
| 5562 | |
| 5563 | if (wdh == NULL((void*)0) || wdh->priv != NULL((void*)0)) { |
| 5564 | *err = WTAP_ERR_INTERNAL-21; |
| 5565 | ws_debug("internal error: blf wdh is NULL or private data already set.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5565, __func__, "internal error: blf wdh is NULL or private data already set." ); } } while (0); |
| 5566 | return false0; |
| 5567 | } |
| 5568 | |
| 5569 | wdh->subtype_add_idb = blf_add_idb; |
| 5570 | wdh->subtype_write = blf_dump; |
| 5571 | wdh->subtype_finish = blf_dump_finish; |
| 5572 | |
| 5573 | /* set up priv data */ |
| 5574 | blf_writer_data_t *writer_data = g_new(blf_writer_data_t, 1)((blf_writer_data_t *) g_malloc_n ((1), sizeof (blf_writer_data_t ))); |
| 5575 | wdh->priv = writer_data; |
| 5576 | |
| 5577 | /* set up and init interface mappings */ |
| 5578 | writer_data->iface_to_channel_array = g_array_new(TRUE(!(0)), TRUE(!(0)), sizeof(blf_channel_to_iface_entry_t)); |
| 5579 | blf_dump_expand_interface_mapping(wdh, wdh->interface_data->len); |
| 5580 | writer_data->iface_to_channel_names_recovered = false0; |
| 5581 | |
| 5582 | writer_data->fileheader = NULL((void*)0); |
| 5583 | writer_data->object_count = 0; |
| 5584 | writer_data->start_time = 0; |
| 5585 | writer_data->end_time = 0; |
| 5586 | |
| 5587 | writer_data->logcontainer_start = LOG_CONTAINER_NONE(18446744073709551615UL); |
| 5588 | |
| 5589 | /* create the blf header structure and attach to wdh */ |
| 5590 | if (!blf_init_file_header(wdh, err)) { |
| 5591 | blf_dump_free(wdh); |
| 5592 | return false0; |
| 5593 | } |
| 5594 | |
| 5595 | /* write space in output file for header */ |
| 5596 | if (!blf_write_file_header_zeros(wdh, err)) { |
| 5597 | blf_dump_free(wdh); |
| 5598 | return false0; |
| 5599 | } |
| 5600 | |
| 5601 | ws_debug("wrote blf file header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5601, __func__, "wrote blf file header"); } } while (0); |
| 5602 | |
| 5603 | /* Create first log_container */ |
| 5604 | if (!blf_dump_start_logcontainer(wdh, err, err_info)) { |
| 5605 | blf_dump_free(wdh); |
| 5606 | return false0; |
| 5607 | } |
| 5608 | |
| 5609 | if (!blf_dump_interface_setup(wdh, err)) { |
| 5610 | blf_dump_free(wdh); |
| 5611 | return false0; |
| 5612 | } |
| 5613 | |
| 5614 | return true1; |
| 5615 | } |
| 5616 | |
| 5617 | static const struct file_type_subtype_info blf_info = { |
| 5618 | "Vector Informatik Binary Logging Format (BLF) logfile", "blf", "blf", NULL((void*)0), |
| 5619 | true1, BLOCKS_SUPPORTED(blf_blocks_supported)(sizeof (blf_blocks_supported) / sizeof (blf_blocks_supported )[0]), blf_blocks_supported, |
| 5620 | blf_dump_can_write_encap, blf_dump_open, NULL((void*)0) |
| 5621 | }; |
| 5622 | |
| 5623 | void register_blf(void) { |
| 5624 | |
| 5625 | blf_file_type_subtype = wtap_register_file_type_subtype(&blf_info); |
| 5626 | |
| 5627 | /* |
| 5628 | * Register name for backwards compatibility with the |
| 5629 | * wtap_filetypes table in Lua. |
| 5630 | */ |
| 5631 | wtap_register_backwards_compatibility_lua_name("BLF", blf_file_type_subtype); |
| 5632 | } |
| 5633 | |
| 5634 | /* |
| 5635 | * Editor modelines - https://www.wireshark.org/tools/modelines.html |
| 5636 | * |
| 5637 | * Local variables: |
| 5638 | * c-basic-offset: 4 |
| 5639 | * tab-width: 8 |
| 5640 | * indent-tabs-mode: nil |
| 5641 | * End: |
| 5642 | * |
| 5643 | * vi: set shiftwidth=4 tabstop=8 expandtab: |
| 5644 | * :indentSize=4:tabSize=8:noTabs=true: |
| 5645 | */ |