### Bug Summary

File: | wiretap/blf.c
Warning: | line 3997, column 14 Potential leak of memory pointed to by 'newdata'

### Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name blf.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -fhalf-no-semantic-interposition -fno-delete-null-pointer-checks -mframe-pointer=all -relaxed-aliasing -fmath-errno -ffp-contract=on -fno-rounding-math -ffloat16-excess-precision=fast -fbfloat16-excess-precision=fast -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fdebug-compilation-dir=/builds/wireshark/wireshark/build -fcoverage-compilation-dir=/builds/wireshark/wireshark/build -resource-dir /usr/lib/llvm-21/lib/clang/21 -isystem /usr/include/glib-2.0 -isystem /usr/lib/x86_64-linux-gnu/glib-2.0/include -isystem /usr/include/libxml2 -D G_DISABLE_DEPRECATED -D G_DISABLE_SINGLE_INCLUDES -D WS_BUILD_DLL -D WS_DEBUG -D WS_DEBUG_UTF_8 -D wiretap_EXPORTS -I /builds/wireshark/wireshark/build -I /builds/wireshark/wireshark -I /builds/wireshark/wireshark/include -I /builds/wireshark/wireshark/wiretap -I /builds/wireshark/wireshark/build/wiretap -D _GLIBCXX_ASSERTIONS -internal-isystem /usr/lib/llvm-21/lib/clang/21/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/14/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fmacro-prefix-map=/builds/wireshark/wireshark/= -fmacro-prefix-map=/builds/wireshark/wireshark/build/= -fmacro-prefix-map=../= -Wno-format-nonliteral -std=gnu11 -ferror-limit 19 -fvisibility=hidden -fwrapv -fwrapv-pointer -fstrict-flex-arrays=3 -stack-protector 2 -fstack-clash-protection -fcf-protection=full -fgnuc-version=4.2.1 -fskip-odr-check-in-gmf -fexceptions -fcolor-diagnostics -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /builds/wireshark/wireshark/sbout/2025-11-30-100318-3593-1 -x c /builds/wireshark/wireshark/wiretap/blf.c

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1 | /* blf.c
2 | *
3 | * Wiretap Library
4 | * Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
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 <lars.voelker@technica-engineering.de>
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 <libxml/tree.h>
41 | #include <libxml/parser.h>
42 | #include <libxml/xpath.h>
43 | #include "file_wrappers.h"
44 | #include "wtap_module.h"
45 |
46 | static const uint8_t blf_magic[] = { 'L', 'O', 'G', 'G' };
47 | static const uint8_t blf_obj_magic[] = { 'L', 'O', 'B', 'J' };
48 |
49 | static const value_string blf_application_names[] = {
50 | { 0, "Unknown" },
51 | { 1, "Vector CANalyzer" },
52 | { 2, "Vector CANoe" },
53 | { 3, "Vector CANstress" },
54 | { 4, "Vector CANlog" },
55 | { 5, "Vector CANape" },
56 | { 6, "Vector CANcaseXL log" },
57 | { 7, "Vector Logger Configurator" },
58 | { 200, "Porsche Logger" },
59 | { 201, "CAETEC Logger" },
60 | { 202, "Vector Network Simulator" },
61 | { 203, "IPETRONIK logger" },
62 | { 204, "RT PK" },
63 | { 205, "PikeTec" },
64 | { 206, "Sparks" },
65 | { 0, NULL((void*)0) }
66 | };
67 |
68 | static int blf_file_type_subtype = -1;
69 |
70 | void register_blf(void);
71 |
72 | static bool_Bool blf_read(wtap *wth, wtap_rec *rec, int *err, char **err_info, int64_t *data_offset);
73 | static bool_Bool blf_seek_read(wtap *wth, int64_t seek_off, wtap_rec* rec, int *err, char **err_info);
74 | static void blf_close(wtap *wth);
75 |
76 | /*
77 | * The virtual buffer looks like this (skips all headers):
78 | * uncompressed log container data
79 | * uncompressed log container data
80 | * ...
81 | *
82 | * The "real" positions, length, etc. reference this layout and not the file.
83 | */
84 | typedef struct blf_log_container {
85 | int64_t infile_start_pos; /* start position of log container in file */
86 | uint64_t infile_length; /* length of log container in file */
87 | uint64_t infile_data_start; /* start position of data in log container in file */
88 |
89 | uint64_t real_start_pos; /* decompressed (virtual) start position including header */
90 | uint64_t real_length; /* decompressed length */
91 |
92 | uint16_t compression_method; /* 0: uncompressed, 2: zlib */
93 |
94 | unsigned char *real_data; /* cache for decompressed data */
95 | } blf_log_container_t;
96 |
97 | typedef struct blf_data {
98 | int64_t start_of_last_obj;
99 | int64_t current_real_seek_pos;
100 | uint64_t start_offset_ns;
101 | uint64_t end_offset_ns;
102 |
103 | GArray *log_containers;
104 |
105 | GHashTable *channel_to_iface_ht;
106 | GHashTable *channel_to_name_ht;
107 | uint32_t next_interface_id;
108 | } blf_t;
109 |
110 | typedef struct blf_params {
111 | wtap *wth;
112 | wtap_rec *rec;
113 | FILE_T fh;
114 | bool_Bool random;
115 | bool_Bool pipe;
116 |
117 | blf_t *blf_data;
118 | } blf_params_t;
119 |
120 | typedef struct blf_channel_to_iface_entry {
121 | int pkt_encap;
122 | uint16_t channel;
123 | uint16_t hwchannel;
124 | uint32_t interface_id;
125 | } blf_channel_to_iface_entry_t;
126 |
127 | typedef struct blf_metadata_info {
128 | size_t metadata_cont;
129 | size_t payload_start;
130 | bool_Bool valid;
131 | } blf_metadata_info_t;
132 |
133 | static void
134 | blf_free_key(void *key) {
135 | g_free(key);
136 | }
137 |
138 | static void
139 | blf_free_channel_to_iface_entry(void *data) {
140 | g_free(data);
141 | }
142 |
143 | static void
144 | blf_free_channel_to_name_entry(void *data) {
145 | g_free(data);
146 | }
147 |
148 | static int64_t
149 | blf_calc_key_value(int pkt_encap, uint16_t channel, uint16_t hwchannel) {
150 | return (int64_t)(((uint64_t)pkt_encap << 32) | ((uint64_t)hwchannel << 16) | (uint64_t)channel);
151 | }
152 |
153 | static time_t
154 | blf_date_to_sec(const blf_date_t *date) {
155 | struct tm timestamp;
156 | timestamp.tm_year = (date->year > 1970) ? date->year - 1900 : 70;
157 | timestamp.tm_mon = date->month - 1;
158 | timestamp.tm_mday = date->day;
159 | timestamp.tm_hour = date->hour;
160 | timestamp.tm_min = date->mins;
161 | timestamp.tm_sec = date->sec;
162 | timestamp.tm_isdst = -1;
163 |
164 | return mktime(&timestamp);
165 | }
166 |
167 | /** Return the Epoch ns time of the blf date
168 | *
169 | * This is not intended to fully validate the date and time,
170 | * but just to check if the values are plausible.
171 | */
172 | static uint64_t
173 | blf_data_to_ns(const blf_date_t *date) {
174 | if (date != NULL((void*)0) &&
175 | (date->year < 2484) && /* max_uint64 / ns_per_year */
176 | (date->month >= 1 && date->month <= 12) &&
177 | (date->day >= 1 && date->day <= 31) &&
178 | (date->hour <= 23) && (date->mins <= 59) &&
179 | (date->sec <= 61) /* Apparently can be up to 61 on certain systems */
180 | ) { /* Not checking if milliseconds are actually less than 1000 */
181 | time_t offset_s = blf_date_to_sec(date);
182 | if (offset_s >= 0) {
183 | return (1000 * 1000 * (date->ms + (1000 * (uint64_t)offset_s)));
184 | }
185 | }
186 |
187 | return 0;
188 | }
189 |
190 | static void add_interface_name(wtap_block_t int_data, int pkt_encap, uint16_t channel, uint16_t hwchannel, char *name) {
191 | if (name != NULL((void*)0)) {
192 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "%s", name);
193 | } else {
194 | switch (pkt_encap) {
195 | case WTAP_ENCAP_ETHERNET1:
196 | /* we use UINT16_MAX to encode no hwchannel */
197 | if (hwchannel == UINT16_MAX(65535)) {
198 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "ETH-%u", channel);
199 | } else {
200 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "ETH-%u-%u", channel, hwchannel);
201 | }
202 | break;
203 | case WTAP_ENCAP_IEEE_802_1120:
204 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "WLAN-%u", channel);
205 | break;
206 | case WTAP_ENCAP_FLEXRAY106:
207 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "FR-%u", channel);
208 | break;
209 | case WTAP_ENCAP_LIN107:
210 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "LIN-%u", channel);
211 | break;
212 | case WTAP_ENCAP_SOCKETCAN125:
213 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "CAN-%u", channel);
214 | break;
215 | default:
216 | wtap_block_add_string_option_format(int_data, OPT_IDB_NAME2, "ENCAP_%d-%u", pkt_encap, channel);
217 | }
218 | }
219 |
220 | /* Add a defined description format to recover the original channel/hwchannel mapping, when we ever convert back to BLF */
221 | /* Changing the names might break the BLF writing! */
222 | switch (pkt_encap) {
223 | case WTAP_ENCAP_ETHERNET1:
224 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-ETH-0x%04x-0x%04x", channel, hwchannel);
225 | break;
226 | case WTAP_ENCAP_IEEE_802_1120:
227 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-WLAN-0x%04x", channel);
228 | break;
229 | case WTAP_ENCAP_FLEXRAY106:
230 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-FR-0x%04x", channel);
231 | break;
232 | case WTAP_ENCAP_LIN107:
233 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-LIN-0x%04x", channel);
234 | break;
235 | case WTAP_ENCAP_SOCKETCAN125:
236 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-CAN-0x%04x", channel);
237 | break;
238 | default:
239 | wtap_block_add_string_option_format(int_data, OPT_IDB_DESCRIPTION3, "BLF-ENCAP_%d-0x%04x-0x%04x", pkt_encap, channel, hwchannel);
240 | }
241 | }
242 |
243 | static uint32_t
244 | blf_add_interface(blf_params_t *params, int pkt_encap, uint32_t channel, uint16_t hwchannel, char *name) {
245 | wtap_block_t int_data = wtap_block_create(WTAP_BLOCK_IF_ID_AND_INFO);
246 | wtapng_if_descr_mandatory_t *if_descr_mand = (wtapng_if_descr_mandatory_t*)wtap_block_get_mandatory_data(int_data);
247 | blf_channel_to_iface_entry_t *item = NULL((void*)0);
248 |
249 | if_descr_mand->wtap_encap = pkt_encap;
250 | add_interface_name(int_data, pkt_encap, channel, hwchannel, name);
251 | /*
252 | * The time stamp resolution in these files can be per-record;
253 | * the maximum resolution is nanoseconds, so we specify that
254 | * as the interface's resolution.
255 | *
256 | * We set the resolution for a record on a per-record basis,
257 | * based on what the record specifies.
258 | */
259 | if_descr_mand->time_units_per_second = 1000 * 1000 * 1000;
260 | if_descr_mand->tsprecision = WTAP_TSPREC_NSEC9;
261 | wtap_block_add_uint8_option(int_data, OPT_IDB_TSRESOL9, 9);
262 | if_descr_mand->snap_len = WTAP_MAX_PACKET_SIZE_STANDARD262144U;
263 | if_descr_mand->num_stat_entries = 0;
264 | if_descr_mand->interface_statistics = NULL((void*)0);
265 | wtap_add_idb(params->wth, int_data);
266 |
267 | if (params->wth->file_encap == WTAP_ENCAP_NONE-2) {
268 | params->wth->file_encap = if_descr_mand->wtap_encap;
269 | } else {
270 | if (params->wth->file_encap != if_descr_mand->wtap_encap) {
271 | params->wth->file_encap = WTAP_ENCAP_PER_PACKET-1;
272 | }
273 | }
274 |
275 | int64_t *key = NULL((void*)0);
276 | key = g_new(int64_t, 1)((int64_t *) g_malloc_n ((1), sizeof (int64_t)));
277 | *key = blf_calc_key_value(pkt_encap, channel, hwchannel);
278 |
279 | 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 )));
280 | item->channel = channel;
281 | item->hwchannel = hwchannel;
282 | item->pkt_encap = pkt_encap;
283 | item->interface_id = params->blf_data->next_interface_id++;
284 | g_hash_table_insert(params->blf_data->channel_to_iface_ht, key, item);
285 |
286 | return item->interface_id;
287 | }
288 |
289 | /** This is used to save the interface name without creating it.
290 | *
291 | * This approach allows up to update the name of the interface
292 | * up until the first captured packet.
293 | */
294 | static bool_Bool
295 | // NOLINTNEXTLINE(misc-no-recursion)
296 | 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) {
297 | int64_t key = blf_calc_key_value(pkt_encap, channel, hwchannel);
298 | char* old_name;
299 | char* new_name;
300 | char* iface_name;
301 | int64_t* new_key;
302 | bool_Bool ret;
303 |
304 | if (params->blf_data->channel_to_name_ht == NULL((void*)0)) {
305 | return false0;
306 | }
307 |
308 | old_name = (char *)g_hash_table_lookup(params->blf_data->channel_to_name_ht, &key);
309 |
310 | if (old_name != NULL((void*)0) && force_new_name) {
311 | if (!g_hash_table_remove(params->blf_data->channel_to_name_ht, &key)) {
312 | return false0;
313 | }
314 |
315 | old_name = NULL((void*)0);
316 | }
317 |
318 | if (old_name == NULL((void*)0) && name != NULL((void*)0)) {
319 | new_key = g_new(int64_t, 1)((int64_t *) g_malloc_n ((1), sizeof (int64_t)));
320 | *new_key = key;
321 | new_name = ws_strdup(name)wmem_strdup(((void*)0), name);
322 | if (!g_hash_table_insert(params->blf_data->channel_to_name_ht, new_key, new_name)) {
323 | return false0;
324 | }
325 | } else {
326 | new_name = old_name;
327 | }
328 |
329 | if (pkt_encap == WTAP_ENCAP_ETHERNET1) {
330 | /* Just for Ethernet, prepare the equivalent STATUS interface */
331 | 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);
332 |
333 | // We recurse here once.
334 | ret = blf_prepare_interface_name(params, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, channel, hwchannel, iface_name, force_new_name);
335 | if (iface_name) {
336 | g_free(iface_name);
337 | }
338 | if (!ret) {
339 | return false0;
340 | }
341 | }
342 |
343 | return true1;
344 | }
345 |
346 | static uint32_t
347 | blf_lookup_interface(blf_params_t *params, int pkt_encap, uint16_t channel, uint16_t hwchannel, char *name) {
348 | int64_t key = blf_calc_key_value(pkt_encap, channel, hwchannel);
349 | blf_channel_to_iface_entry_t* item;
350 | char* saved_name;
351 | uint32_t ret;
352 |
353 | if (params->blf_data->channel_to_iface_ht == NULL((void*)0)) {
354 | return 0;
355 | }
356 |
357 | item = (blf_channel_to_iface_entry_t *)g_hash_table_lookup(params->blf_data->channel_to_iface_ht, &key);
358 |
359 | if (item != NULL((void*)0)) {
360 | return item->interface_id;
361 | } else {
362 | saved_name = (char*)g_hash_table_lookup(params->blf_data->channel_to_name_ht, &key);
363 |
364 | if (saved_name != NULL((void*)0)) {
365 | ret = blf_add_interface(params, pkt_encap, channel, hwchannel, saved_name);
366 | g_hash_table_remove(params->blf_data->channel_to_name_ht, &key);
367 |
368 | return ret;
369 | } else {
370 | return blf_add_interface(params, pkt_encap, channel, hwchannel, name);
371 | }
372 | }
373 | }
374 |
375 | static void
376 | fix_endianness_blf_date(blf_date_t *date) {
377 | date->year = GUINT16_FROM_LE(date->year)(((guint16) (date->year)));
378 | date->month = GUINT16_FROM_LE(date->month)(((guint16) (date->month)));
379 | date->dayofweek = GUINT16_FROM_LE(date->dayofweek)(((guint16) (date->dayofweek)));
380 | date->day = GUINT16_FROM_LE(date->day)(((guint16) (date->day)));
381 | date->hour = GUINT16_FROM_LE(date->hour)(((guint16) (date->hour)));
382 | date->mins = GUINT16_FROM_LE(date->mins)(((guint16) (date->mins)));
383 | date->sec = GUINT16_FROM_LE(date->sec)(((guint16) (date->sec)));
384 | date->ms = GUINT16_FROM_LE(date->ms)(((guint16) (date->ms)));
385 | }
386 |
387 | static void
388 | fix_endianness_blf_fileheader(blf_fileheader_t *header) {
389 | header->header_length = GUINT32_FROM_LE(header->header_length)(((guint32) (header->header_length)));
390 | header->api_version = GUINT32_FROM_LE(header->api_version)(((guint32) (header->api_version)));
391 | header->len_compressed = GUINT64_FROM_LE(header->len_compressed)(((guint64) (header->len_compressed)));
392 | header->len_uncompressed = GUINT64_FROM_LE(header->len_uncompressed)(((guint64) (header->len_uncompressed)));
393 | header->obj_count = GUINT32_FROM_LE(header->obj_count)(((guint32) (header->obj_count)));
394 | header->application_build = GUINT32_FROM_LE(header->application_build)(((guint32) (header->application_build)));
395 | fix_endianness_blf_date(&(header->start_date));
396 | fix_endianness_blf_date(&(header->end_date));
397 | header->restore_point_offset = GUINT32_FROM_LE(header->restore_point_offset)(((guint32) (header->restore_point_offset)));
398 | }
399 |
400 | static void
401 | fix_endianness_blf_blockheader(blf_blockheader_t *header) {
402 | header->header_length = GUINT16_FROM_LE(header->header_length)(((guint16) (header->header_length)));
403 | header->header_type = GUINT16_FROM_LE(header->header_type)(((guint16) (header->header_type)));
404 | header->object_length = GUINT32_FROM_LE(header->object_length)(((guint32) (header->object_length)));
405 | header->object_type = GUINT32_FROM_LE(header->object_type)(((guint32) (header->object_type)));
406 | }
407 |
408 | static void
409 | fix_endianness_blf_logcontainerheader(blf_logcontainerheader_t *header) {
410 | header->compression_method = GUINT16_FROM_LE(header->compression_method)(((guint16) (header->compression_method)));
411 | header->res1 = GUINT16_FROM_LE(header->res1)(((guint16) (header->res1)));
412 | header->res2 = GUINT32_FROM_LE(header->res2)(((guint32) (header->res2)));
413 | header->uncompressed_size = GUINT32_FROM_LE(header->uncompressed_size)(((guint32) (header->uncompressed_size)));
414 | header->res4 = GUINT32_FROM_LE(header->res4)(((guint32) (header->res4)));
415 | }
416 |
417 | static void
418 | fix_endianness_blf_logobjectheader(blf_logobjectheader_t *header) {
419 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags)));
420 | header->client_index = GUINT16_FROM_LE(header->client_index)(((guint16) (header->client_index)));
421 | header->object_version = GUINT16_FROM_LE(header->object_version)(((guint16) (header->object_version)));
422 | header->object_timestamp = GUINT64_FROM_LE(header->object_timestamp)(((guint64) (header->object_timestamp)));
423 | }
424 |
425 | static void
426 | fix_endianness_blf_logobjectheader2(blf_logobjectheader2_t *header) {
427 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags)));
428 | header->object_version = GUINT16_FROM_LE(header->object_version)(((guint16) (header->object_version)));
429 | header->object_timestamp = GUINT64_FROM_LE(header->object_timestamp)(((guint64) (header->object_timestamp)));
430 | header->original_timestamp = GUINT64_FROM_LE(header->object_timestamp)(((guint64) (header->object_timestamp)));
431 | }
432 |
433 | static void
434 | fix_endianness_blf_logobjectheader3(blf_logobjectheader3_t *header) {
435 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags)));
436 | header->static_size = GUINT16_FROM_LE(header->static_size)(((guint16) (header->static_size)));
437 | header->object_version = GUINT16_FROM_LE(header->object_version)(((guint16) (header->object_version)));
438 | header->object_timestamp = GUINT64_FROM_LE(header->object_timestamp)(((guint64) (header->object_timestamp)));
439 | }
440 |
441 | static void
442 | fix_endianness_blf_ethernetframeheader(blf_ethernetframeheader_t *header) {
443 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel)));
444 | header->direction = GUINT16_FROM_LE(header->direction)(((guint16) (header->direction)));
445 | header->ethtype = GUINT16_FROM_LE(header->ethtype)(((guint16) (header->ethtype)));
446 | header->tpid = GUINT16_FROM_LE(header->tpid)(((guint16) (header->tpid)));
447 | header->tci = GUINT16_FROM_LE(header->tci)(((guint16) (header->tci)));
448 | header->payloadlength = GUINT16_FROM_LE(header->payloadlength)(((guint16) (header->payloadlength)));
449 | }
450 |
451 | static void
452 | fix_endianness_blf_ethernetframeheader_ex(blf_ethernetframeheader_ex_t *header) {
453 | header->struct_length = GUINT16_FROM_LE(header->struct_length)(((guint16) (header->struct_length)));
454 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags)));
455 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel)));
456 | header->hw_channel = GUINT16_FROM_LE(header->hw_channel)(((guint16) (header->hw_channel)));
457 | header->frame_duration = GUINT64_FROM_LE(header->frame_duration)(((guint64) (header->frame_duration)));
458 | header->frame_checksum = GUINT32_FROM_LE(header->frame_checksum)(((guint32) (header->frame_checksum)));
459 | header->direction = GUINT16_FROM_LE(header->direction)(((guint16) (header->direction)));
460 | header->frame_length = GUINT16_FROM_LE(header->frame_length)(((guint16) (header->frame_length)));
461 | header->frame_handle = GUINT32_FROM_LE(header->frame_handle)(((guint32) (header->frame_handle)));
462 | header->error = GUINT32_FROM_LE(header->error)(((guint32) (header->error)));
463 | }
464 |
465 | static void
466 | fix_endianness_blf_ethernet_rxerror(blf_ethernet_rxerror_t* header) {
467 | header->struct_length = GUINT16_FROM_LE(header->struct_length)(((guint16) (header->struct_length)));
468 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel)));
469 | header->direction = GUINT16_FROM_LE(header->direction)(((guint16) (header->direction)));
470 | header->hw_channel = GUINT16_FROM_LE(header->hw_channel)(((guint16) (header->hw_channel)));
471 | header->frame_checksum = GUINT32_FROM_LE(header->frame_checksum)(((guint32) (header->frame_checksum)));
472 | header->frame_length = GUINT16_FROM_LE(header->frame_length)(((guint16) (header->frame_length)));
473 | header->error = GUINT32_FROM_LE(header->error)(((guint32) (header->error)));
474 | }
475 |
476 | static void
477 | fix_endianness_blf_wlanframeheader(blf_wlanframeheader_t* header) {
478 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel)));
479 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags)));
480 | header->signal_strength = GUINT16_FROM_LE(header->signal_strength)(((guint16) (header->signal_strength)));
481 | header->signal_quality = GUINT16_FROM_LE(header->signal_quality)(((guint16) (header->signal_quality)));
482 | header->frame_length = GUINT16_FROM_LE(header->frame_length)(((guint16) (header->frame_length)));
483 | }
484 |
485 | static void
486 | fix_endianness_blf_canmessage(blf_canmessage_t *header) {
487 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel)));
488 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id)));
489 | }
490 |
491 | static void
492 | fix_endianness_blf_canmessage2_trailer(blf_canmessage2_trailer_t *header) {
493 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns)));
494 | header->reserved2 = GUINT16_FROM_LE(header->reserved1)(((guint16) (header->reserved1)));
495 | }
496 |
497 | static void
498 | fix_endianness_blf_canfdmessage(blf_canfdmessage_t *header) {
499 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel)));
500 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id)));
501 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns)));
502 | header->reservedCanFdMessage2 = GUINT32_FROM_LE(header->reservedCanFdMessage2)(((guint32) (header->reservedCanFdMessage2)));
503 | }
504 |
505 | static void
506 | fix_endianness_blf_canfdmessage64(blf_canfdmessage64_t *header) {
507 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id)));
508 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns)));
509 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags)));
510 | header->btrCfgArb = GUINT32_FROM_LE(header->btrCfgArb)(((guint32) (header->btrCfgArb)));
511 | header->btrCfgData = GUINT32_FROM_LE(header->btrCfgData)(((guint32) (header->btrCfgData)));
512 | header->timeOffsetBrsNs = GUINT32_FROM_LE(header->timeOffsetBrsNs)(((guint32) (header->timeOffsetBrsNs)));
513 | header->timeOffsetCrcDelNs = GUINT32_FROM_LE(header->timeOffsetCrcDelNs)(((guint32) (header->timeOffsetCrcDelNs)));
514 | header->bitCount = GUINT16_FROM_LE(header->bitCount)(((guint16) (header->bitCount)));
515 | header->crc = GUINT32_FROM_LE(header->crc)(((guint32) (header->crc)));
516 | }
517 |
518 | static void
519 | fix_endianness_blf_canerror(blf_canerror_t *header) {
520 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel)));
521 | header->length = GUINT16_FROM_LE(header->length)(((guint16) (header->length)));
522 | }
523 |
524 | static void
525 | fix_endianness_blf_canerrorext(blf_canerrorext_t *header) {
526 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel)));
527 | header->length = GUINT16_FROM_LE(header->length)(((guint16) (header->length)));
528 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags)));
529 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns)));
530 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id)));
531 | header->errorCodeExt = GUINT16_FROM_LE(header->errorCodeExt)(((guint16) (header->errorCodeExt)));
532 | }
533 |
534 | static void
535 | fix_endianness_blf_canfderror64(blf_canfderror64_t *header) {
536 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags)));
537 | header->errorCodeExt = GUINT16_FROM_LE(header->errorCodeExt)(((guint16) (header->errorCodeExt)));
538 | header->extFlags = GUINT16_FROM_LE(header->extFlags)(((guint16) (header->extFlags)));
539 | header->id = GUINT32_FROM_LE(header->id)(((guint32) (header->id)));
540 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns)));
541 | header->btrCfgArb = GUINT32_FROM_LE(header->btrCfgArb)(((guint32) (header->btrCfgArb)));
542 | header->btrCfgData = GUINT32_FROM_LE(header->btrCfgData)(((guint32) (header->btrCfgData)));
543 | header->timeOffsetBrsNs = GUINT32_FROM_LE(header->timeOffsetBrsNs)(((guint32) (header->timeOffsetBrsNs)));
544 | header->timeOffsetCrcDelNs = GUINT32_FROM_LE(header->timeOffsetCrcDelNs)(((guint32) (header->timeOffsetCrcDelNs)));
545 | header->crc = GUINT32_FROM_LE(header->crc)(((guint32) (header->crc)));
546 | header->errorPosition = GUINT16_FROM_LE(header->errorPosition)(((guint16) (header->errorPosition)));
547 | }
548 |
549 | static void
550 | fix_endianness_blf_canxlchannelframe(blf_canxlchannelframe_t *header) {
551 | header->frameLength_in_ns = GUINT32_FROM_LE(header->frameLength_in_ns)(((guint32) (header->frameLength_in_ns)));
552 | header->bitCount = GUINT16_FROM_LE(header->bitCount)(((guint16) (header->bitCount)));
553 | header->res2 = GUINT16_FROM_LE(header->res2)(((guint16) (header->res2)));
554 | header->frameIdentifier = GUINT32_FROM_LE(header->frameIdentifier)(((guint32) (header->frameIdentifier)));
555 | header->dlc = GUINT16_FROM_LE(header->dlc)(((guint16) (header->dlc)));
556 | header->dataLength = GUINT16_FROM_LE(header->dataLength)(((guint16) (header->dataLength)));
557 | header->stuffBitCount = GUINT16_FROM_LE(header->stuffBitCount)(((guint16) (header->stuffBitCount)));
558 | header->prefaceCRC = GUINT16_FROM_LE(header->prefaceCRC)(((guint16) (header->prefaceCRC)));
559 | header->acceptanceField = GUINT32_FROM_LE(header->acceptanceField)(((guint32) (header->acceptanceField)));
560 | header->res5 = GUINT16_FROM_LE(header->res5)(((guint16) (header->res5)));
561 | header->crc = GUINT32_FROM_LE(header->crc)(((guint32) (header->crc)));
562 | header->timeOffsetBrsNs = GUINT32_FROM_LE(header->timeOffsetBrsNs)(((guint32) (header->timeOffsetBrsNs)));
563 | header->timeOffsetCrcDelNs = GUINT32_FROM_LE(header->timeOffsetCrcDelNs)(((guint32) (header->timeOffsetCrcDelNs)));
564 | header->flags = GUINT32_FROM_LE(header->flags)(((guint32) (header->flags)));
565 | header->reserved = GUINT32_FROM_LE(header->reserved)(((guint32) (header->reserved)));
566 | header->arbitrationDataBitTimingConfig = GUINT64_FROM_LE(header->arbitrationDataBitTimingConfig)(((guint64) (header->arbitrationDataBitTimingConfig)));
567 | header->arbitrationDataHwChannelSettings = GUINT64_FROM_LE(header->arbitrationDataHwChannelSettings)(((guint64) (header->arbitrationDataHwChannelSettings)));
568 | header->fdPhaseBitTimingConfig = GUINT64_FROM_LE(header->fdPhaseBitTimingConfig)(((guint64) (header->fdPhaseBitTimingConfig)));
569 | header->fdPhaseHwChannelSettings = GUINT64_FROM_LE(header->fdPhaseHwChannelSettings)(((guint64) (header->fdPhaseHwChannelSettings)));
570 | header->xlPhaseBitTimingConfig = GUINT64_FROM_LE(header->xlPhaseBitTimingConfig)(((guint64) (header->xlPhaseBitTimingConfig)));
571 | header->xlPhaseHwChannelSettings = GUINT64_FROM_LE(header->xlPhaseHwChannelSettings)(((guint64) (header->xlPhaseHwChannelSettings)));
572 | }
573 |
574 |
575 | static void
576 | fix_endianness_blf_flexraydata(blf_flexraydata_t *header) {
577 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel)));
578 | header->messageId = GUINT16_FROM_LE(header->messageId)(((guint16) (header->messageId)));
579 | header->crc = GUINT16_FROM_LE(header->crc)(((guint16) (header->crc)));
580 | header->reservedFlexRayData2 = GUINT16_FROM_LE(header->reservedFlexRayData2)(((guint16) (header->reservedFlexRayData2)));
581 | }
582 |
583 | static void
584 | fix_endianness_blf_flexraymessage(blf_flexraymessage_t *header) {
585 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel)));
586 | header->fpgaTick = GUINT32_FROM_LE(header->fpgaTick)(((guint32) (header->fpgaTick)));
587 | header->fpgaTickOverflow = GUINT32_FROM_LE(header->fpgaTickOverflow)(((guint32) (header->fpgaTickOverflow)));
588 | header->clientIndexFlexRayV6Message = GUINT32_FROM_LE(header->clientIndexFlexRayV6Message)(((guint32) (header->clientIndexFlexRayV6Message)));
589 | header->clusterTime = GUINT32_FROM_LE(header->clusterTime)(((guint32) (header->clusterTime)));
590 | header->frameId = GUINT16_FROM_LE(header->frameId)(((guint16) (header->frameId)));
591 | header->headerCrc = GUINT16_FROM_LE(header->headerCrc)(((guint16) (header->headerCrc)));
592 | header->frameState = GUINT16_FROM_LE(header->frameState)(((guint16) (header->frameState)));
593 | header->reservedFlexRayV6Message2 = GUINT16_FROM_LE(header->reservedFlexRayV6Message2)(((guint16) (header->reservedFlexRayV6Message2)));
594 | }
595 |
596 | static void
597 | fix_endianness_blf_flexrayrcvmessage(blf_flexrayrcvmessage_t *header) {
598 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel)));
599 | header->version = GUINT16_FROM_LE(header->version)(((guint16) (header->version)));
600 | header->channelMask = GUINT16_FROM_LE(header->channelMask)(((guint16) (header->channelMask)));
601 | header->dir = GUINT16_FROM_LE(header->dir)(((guint16) (header->dir)));
602 | header->clientIndex = GUINT32_FROM_LE(header->clientIndex)(((guint32) (header->clientIndex)));
603 | header->clusterNo = GUINT32_FROM_LE(header->clusterNo)(((guint32) (header->clusterNo)));
604 | header->frameId = GUINT16_FROM_LE(header->frameId)(((guint16) (header->frameId)));
605 | header->headerCrc1 = GUINT16_FROM_LE(header->headerCrc1)(((guint16) (header->headerCrc1)));
606 | header->headerCrc2 = GUINT16_FROM_LE(header->headerCrc2)(((guint16) (header->headerCrc2)));
607 | header->payloadLength = GUINT16_FROM_LE(header->payloadLength)(((guint16) (header->payloadLength)));
608 | header->payloadLengthValid = GUINT16_FROM_LE(header->payloadLengthValid)(((guint16) (header->payloadLengthValid)));
609 | header->cycle = GUINT16_FROM_LE(header->cycle)(((guint16) (header->cycle)));
610 | header->tag = GUINT32_FROM_LE(header->tag)(((guint32) (header->tag)));
611 | header->data = GUINT32_FROM_LE(header->data)(((guint32) (header->data)));
612 | header->frameFlags = GUINT32_FROM_LE(header->frameFlags)(((guint32) (header->frameFlags)));
613 | header->appParameter = GUINT32_FROM_LE(header->appParameter)(((guint32) (header->appParameter)));
614 | /* this would be extra for ext format:
615 | header->frameCRC = GUINT32_FROM_LE(header->frameCRC);
616 | header->frameLengthInNs = GUINT32_FROM_LE(header->frameLengthInNs);
617 | header->frameId1 = GUINT16_FROM_LE(header->frameId1);
618 | header->pduOffset = GUINT16_FROM_LE(header->pduOffset);
619 | header->blfLogMask = GUINT16_FROM_LE(header->blfLogMask);
620 | */
621 | }
622 |
623 | static void
624 | fix_endianness_blf_linmessage(blf_linmessage_t* message) {
625 | message->channel = GUINT16_FROM_LE(message->channel)(((guint16) (message->channel)));
626 | message->crc = GUINT16_FROM_LE(message->crc)(((guint16) (message->crc)));
627 | /* skip the optional part
628 | message->res2 = GUINT32_FROM_LE(message->res2);
629 | */
630 | }
631 |
632 | static void
633 | fix_endianness_blf_linbusevent(blf_linbusevent_t* linbusevent) {
634 | linbusevent->sof = GUINT64_FROM_LE(linbusevent->sof)(((guint64) (linbusevent->sof)));
635 | linbusevent->eventBaudrate = GUINT32_FROM_LE(linbusevent->eventBaudrate)(((guint32) (linbusevent->eventBaudrate)));
636 | linbusevent->channel = GUINT16_FROM_LE(linbusevent->channel)(((guint16) (linbusevent->channel)));
637 | }
638 |
639 | static void
640 | fix_endianness_blf_linsynchfieldevent(blf_linsynchfieldevent_t* linsynchfieldevent) {
641 | fix_endianness_blf_linbusevent(&linsynchfieldevent->linBusEvent);
642 | linsynchfieldevent->synchBreakLength = GUINT64_FROM_LE(linsynchfieldevent->synchBreakLength)(((guint64) (linsynchfieldevent->synchBreakLength)));
643 | linsynchfieldevent->synchDelLength = GUINT64_FROM_LE(linsynchfieldevent->synchDelLength)(((guint64) (linsynchfieldevent->synchDelLength)));
644 | }
645 |
646 | static void
647 | fix_endianness_blf_linmessagedescriptor(blf_linmessagedescriptor_t* linmessagedescriptor) {
648 | fix_endianness_blf_linsynchfieldevent(&linmessagedescriptor->linSynchFieldEvent);
649 | linmessagedescriptor->supplierId = GUINT16_FROM_LE(linmessagedescriptor->supplierId)(((guint16) (linmessagedescriptor->supplierId)));
650 | linmessagedescriptor->messageId = GUINT16_FROM_LE(linmessagedescriptor->messageId)(((guint16) (linmessagedescriptor->messageId)));
651 | }
652 |
653 | static void
654 | fix_endianness_blf_lindatabytetimestampevent(blf_lindatabytetimestampevent_t* lindatabytetimestampevent) {
655 | int i;
656 | fix_endianness_blf_linmessagedescriptor(&lindatabytetimestampevent->linMessageDescriptor);
657 | for (i = 0; i < 9; i++) {
658 | lindatabytetimestampevent->databyteTimestamps[i] = GUINT64_FROM_LE(lindatabytetimestampevent->databyteTimestamps[i])(((guint64) (lindatabytetimestampevent->databyteTimestamps [i])));
659 | }
660 | }
661 |
662 | static void
663 | fix_endianness_blf_linmessage2(blf_linmessage2_t* message) {
664 | fix_endianness_blf_lindatabytetimestampevent(&message->linDataByteTimestampEvent);
665 | message->crc = GUINT16_FROM_LE(message->crc)(((guint16) (message->crc)));
666 | /* skip the optional part
667 | message->respBaudrate = GUINT32_FROM_LE(message->respBaudrate);
668 | message->exactHeaderBaudrate = GUINT64_FROM_LE(message->exactHeaderBaudrate);
669 | message->earlyStopBitOffset = GUINT32_FROM_LE(message->earlyStopBitOffset);
670 | message->earlyStopBitOffsetResponse = GUINT32_FROM_LE(message->earlyStopBitOffsetResponse);
671 | */
672 | }
673 |
674 | static void
675 | fix_endianness_blf_lincrcerror2(blf_lincrcerror2_t* message) {
676 | fix_endianness_blf_lindatabytetimestampevent(&message->linDataByteTimestampEvent);
677 | message->crc = GUINT16_FROM_LE(message->crc)(((guint16) (message->crc)));
678 | /* skip the optional part
679 | message->respBaudrate = GUINT32_FROM_LE(message->respBaudrate);
680 | message->exactHeaderBaudrate = GUINT64_FROM_LE(message->exactHeaderBaudrate);
681 | message->earlyStopBitOffset = GUINT32_FROM_LE(message->earlyStopBitOffset);
682 | message->earlyStopBitOffsetResponse = GUINT32_FROM_LE(message->earlyStopBitOffsetResponse);
683 | */
684 | }
685 |
686 | static void
687 | fix_endianness_blf_linrcverror2(blf_linrcverror2_t* message) {
688 | fix_endianness_blf_lindatabytetimestampevent(&message->linDataByteTimestampEvent);
689 | /* skip the optional part
690 | message->respBaudrate = GUINT32_FROM_LE(message->respBaudrate);
691 | message->exactHeaderBaudrate = GUINT64_FROM_LE(message->exactHeaderBaudrate);
692 | message->earlyStopBitOffset = GUINT32_FROM_LE(message->earlyStopBitOffset);
693 | message->earlyStopBitOffsetResponse = GUINT32_FROM_LE(message->earlyStopBitOffsetResponse);
694 | */
695 | }
696 |
697 | static void
698 | fix_endianness_blf_linsenderror2(blf_linsenderror2_t* message) {
699 | fix_endianness_blf_linmessagedescriptor(&message->linMessageDescriptor);
700 | message->eoh = GUINT64_FROM_LE(message->eoh)(((guint64) (message->eoh)));
701 | /* skip the optional part
702 | message->exactHeaderBaudrate = GUINT64_FROM_LE(message->exactHeaderBaudrate);
703 | message->earlyStopBitOffset = GUINT32_FROM_LE(message->earlyStopBitOffset);
704 | */
705 | }
706 |
707 | static void
708 | fix_endianness_blf_linwakeupevent2(blf_linwakeupevent2_t* message) {
709 | fix_endianness_blf_linbusevent(&message->linBusEvent);
710 | }
711 |
712 | static void
713 | fix_endianness_blf_apptext_header(blf_apptext_t *header) {
714 | header->source = GUINT32_FROM_LE(header->source)(((guint32) (header->source)));
715 | header->reservedAppText1 = GUINT32_FROM_LE(header->reservedAppText1)(((guint32) (header->reservedAppText1)));
716 | header->textLength = GUINT32_FROM_LE(header->textLength)(((guint32) (header->textLength)));
717 | header->reservedAppText2 = GUINT32_FROM_LE(header->reservedAppText2)(((guint32) (header->reservedAppText2)));
718 | }
719 |
720 | static void
721 | fix_endianness_blf_ethernet_status_header(blf_ethernet_status_t* header) {
722 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel)));
723 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags)));
724 | /*uint8_t linkStatus;*/
725 | /*uint8_t ethernetPhy;*/
726 | /*uint8_t duplex;*/
727 | /*uint8_t mdi;*/
728 | /*uint8_t connector;*/
729 | /*uint8_t clockMode;*/
730 | /*uint8_t pairs;*/
731 | /*uint8_t hardwareChannel;*/
732 | header->bitrate = GUINT32_FROM_LE(header->bitrate)(((guint32) (header->bitrate)));
733 | }
734 |
735 | static void
736 | fix_endianness_blf_ethernet_phystate_header(blf_ethernet_phystate_t* header) {
737 | header->channel = GUINT16_FROM_LE(header->channel)(((guint16) (header->channel)));
738 | header->flags = GUINT16_FROM_LE(header->flags)(((guint16) (header->flags)));
739 | }
740 |
741 | static void
742 | blf_init_logcontainer(blf_log_container_t *tmp) {
743 | tmp->infile_start_pos = 0;
744 | tmp->infile_length = 0;
745 | tmp->infile_data_start = 0;
746 | tmp->real_start_pos = 0;
747 | tmp->real_length = 0;
748 | tmp->real_data = NULL((void*)0);
749 | tmp->compression_method = 0;
750 | }
751 |
752 | int
753 | blf_logcontainers_cmp(const void *a, const void *b) {
754 | const blf_log_container_t* container_a = (blf_log_container_t*)a;
755 | const blf_log_container_t* container_b = (blf_log_container_t*)b;
756 |
757 | if (container_a->real_start_pos < container_b->real_start_pos) {
758 | return -1;
759 | } else if (container_a->real_start_pos > container_b->real_start_pos) {
760 | return 1;
761 | } else {
762 | return 0;
763 | }
764 | }
765 |
766 | int
767 | blf_logcontainers_search(const void *a, const void *b) {
768 | const blf_log_container_t* container_a = (blf_log_container_t*)a;
769 | uint64_t pos = *(uint64_t*)b;
770 |
771 | if (container_a->real_start_pos > pos) {
772 | return 1;
773 | } else if (pos >= container_a->real_start_pos + container_a->real_length) {
774 | return -1;
775 | } else {
776 | return 0;
777 | }
778 | }
779 |
780 | /** Ensures the given log container is in memory
781 | *
782 | * If the log container already is not already in memory,
783 | * it reads it from the current seek position, allocating a
784 | * properly sized buffer.
785 | * The file offset must be set to the start of the container
786 | * data (container->infile_data_start) before calling this function.
787 | */
788 | static bool_Bool
789 | blf_pull_logcontainer_into_memory(blf_params_t *params, blf_log_container_t *container, int *err, char **err_info) {
790 |
791 | if (container == NULL((void*)0)) {
792 | *err = WTAP_ERR_INTERNAL-21;
793 | *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" );
794 | return false0;
795 | }
796 |
797 | if (container->real_data != NULL((void*)0)) {
798 | return true1;
799 | }
800 |
801 | /* pull compressed data into buffer */
802 | if (container->infile_start_pos < 0) {
803 | /*
804 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a
805 | * malformed file (WTAP_ERR_BAD_FILE)?
806 | */
807 | *err = WTAP_ERR_INTERNAL-21;
808 | *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)
809 | 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);
810 | return false0;
811 | }
812 | if (container->infile_data_start < (uint64_t)container->infile_start_pos) {
813 | /*
814 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a
815 | * malformed file (WTAP_ERR_BAD_FILE)?
816 | */
817 | *err = WTAP_ERR_INTERNAL-21;
818 | *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)
819 | 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);
820 | return false0;
821 | }
822 | if (container->infile_length < container->infile_data_start - (uint64_t)container->infile_start_pos) {
823 | /*
824 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a
825 | * malformed file (WTAP_ERR_BAD_FILE)?
826 | */
827 | *err = WTAP_ERR_INTERNAL-21;
828 | *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 )
829 | 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 )
830 | 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 )
831 | 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 );
832 | return false0;
833 | }
834 | uint64_t data_length = container->infile_length - (container->infile_data_start - (uint64_t)container->infile_start_pos);
835 | if (data_length > UINT_MAX(2147483647 *2U +1U)) {
836 | /*
837 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a
838 | * malformed file (WTAP_ERR_BAD_FILE)?
839 | */
840 | *err = WTAP_ERR_INTERNAL-21;
841 | *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)
842 | data_length)wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: data_length (%" "l" "u" ") > UINT_MAX", data_length);
843 | return false0;
844 | }
845 |
846 | if (container->real_length == 0) {
847 | 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);
848 | /* Skip empty container */
849 | if (!wtap_read_bytes_or_eof(params->fh, NULL((void*)0), (unsigned int)data_length, err, err_info)) {
850 | if (*err == WTAP_ERR_SHORT_READ-12) {
851 | /*
852 | * XXX - our caller will turn this into an EOF.
853 | * How *should* it be treated?
854 | * For now, we turn it into Yet Another Internal Error,
855 | * pending having better documentation of the file
856 | * format.
857 | */
858 | *err = WTAP_ERR_INTERNAL-21;
859 | *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" );
860 | }
861 | return false0;
862 | }
863 | return true1;
864 | }
865 |
866 | if (container->compression_method == BLF_COMPRESSION_NONE0) {
867 | unsigned char* buf = g_try_malloc((size_t)container->real_length);
868 | if (buf == NULL((void*)0)) {
869 | *err = WTAP_ERR_INTERNAL-21;
870 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: cannot allocate memory")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: cannot allocate memory" );
871 | return false0;
872 | }
873 | if (!wtap_read_bytes_or_eof(params->fh, buf, (unsigned int)data_length, err, err_info)) {
874 | g_free(buf);
875 | if (*err == WTAP_ERR_SHORT_READ-12) {
876 | /*
877 | * XXX - our caller will turn this into an EOF.
878 | * How *should* it be treated?
879 | * For now, we turn it into Yet Another Internal Error,
880 | * pending having better documentation of the file
881 | * format.
882 | */
883 | *err = WTAP_ERR_INTERNAL-21;
884 | *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" );
885 | }
886 | return false0;
887 | }
888 | container->real_data = buf;
889 | return true1;
890 |
891 | } else if (container->compression_method == BLF_COMPRESSION_ZLIB2) {
892 | #ifdef USE_ZLIB_OR_ZLIBNG
893 | unsigned char *compressed_data = g_try_malloc((size_t)data_length);
894 | if (compressed_data == NULL((void*)0)) {
895 | *err = WTAP_ERR_INTERNAL-21;
896 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: cannot allocate memory")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: cannot allocate memory" );
897 | return false0;
898 | }
899 | if (!wtap_read_bytes_or_eof(params->fh, compressed_data, (unsigned int)data_length, err, err_info)) {
900 | g_free(compressed_data);
901 | if (*err == WTAP_ERR_SHORT_READ-12) {
902 | /*
903 | * XXX - our caller will turn this into an EOF.
904 | * How *should* it be treated?
905 | * For now, we turn it into Yet Another Internal Error,
906 | * pending having better documentation of the file
907 | * format.
908 | */
909 | *err = WTAP_ERR_INTERNAL-21;
910 | *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" );
911 | }
912 | return false0;
913 | }
914 |
915 | unsigned char *buf = g_try_malloc((size_t)container->real_length);
916 | if (buf == NULL((void*)0)) {
917 | g_free(compressed_data);
918 | *err = WTAP_ERR_INTERNAL-21;
919 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: cannot allocate memory")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: cannot allocate memory" );
920 | return false0;
921 | }
922 | zlib_stream infstream = {0};
923 |
924 | infstream.avail_in = (unsigned int)data_length;
925 | infstream.next_in = compressed_data;
926 | infstream.avail_out = (unsigned int)container->real_length;
927 | infstream.next_out = buf;
928 |
929 | /* the actual DE-compression work. */
930 | if (Z_OK0 != ZLIB_PREFIX(inflateInit)(&infstream)inflateInit_((&infstream), "1.3", (int)sizeof(z_stream))) {
931 | /*
932 | * XXX - check the error code and handle this appropriately.
933 | */
934 | g_free(buf);
935 | g_free(compressed_data);
936 | *err = WTAP_ERR_INTERNAL-21;
937 | if (infstream.msg != NULL((void*)0)) {
938 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: inflateInit failed for LogContainer, message\"%s\"",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: inflateInit failed for LogContainer, message\"%s\"" , infstream.msg)
939 | infstream.msg)wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: inflateInit failed for LogContainer, message\"%s\"" , infstream.msg);
940 | } else {
941 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: inflateInit failed for LogContainer")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: inflateInit failed for LogContainer" );
942 | }
943 | ws_debug("inflateInit failed for LogContainer")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 943, __func__, "inflateInit failed for LogContainer"); } } while (0);
944 | if (infstream.msg != NULL((void*)0)) {
945 | ws_debug("inflateInit returned: \"%s\"", infstream.msg)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 945, __func__, "inflateInit returned: \"%s\"", infstream.msg ); } } while (0);
946 | }
947 | return false0;
948 | }
949 |
950 | int ret = ZLIB_PREFIX(inflate)inflate(&infstream, Z_NO_FLUSH0);
951 | /* Z_OK should not happen here since we know how big the buffer should be */
952 | if (Z_STREAM_END1 != ret) {
953 | switch (ret) {
954 |
955 | case Z_NEED_DICT2:
956 | *err = WTAP_ERR_DECOMPRESS-20;
957 | *err_info = ws_strdup("preset dictionary needed")wmem_strdup(((void*)0), "preset dictionary needed");
958 | break;
959 |
960 | case Z_STREAM_ERROR(-2):
961 | *err = WTAP_ERR_INTERNAL-21;
962 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: Z_STREAM_ERROR from inflate(), message \"%s\"",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: Z_STREAM_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)")
963 | (infstream.msg != NULL) ? infstream.msg : "(none)")wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: Z_STREAM_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)");
964 | break;
965 |
966 | case Z_MEM_ERROR(-4):
967 | /* This means "not enough memory". */
968 | *err = ENOMEM12;
969 | *err_info = NULL((void*)0);
970 | break;
971 |
972 | case Z_DATA_ERROR(-3):
973 | /* This means "deflate stream invalid" */
974 | *err = WTAP_ERR_DECOMPRESS-20;
975 | *err_info = (infstream.msg != NULL((void*)0)) ? ws_strdup(infstream.msg)wmem_strdup(((void*)0), infstream.msg) : NULL((void*)0);
976 | break;
977 |
978 | case Z_BUF_ERROR(-5):
979 | /* XXX - this is recoverable; what should we do here? */
980 | *err = WTAP_ERR_INTERNAL-21;
981 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: Z_BUF_ERROR from inflate(), message \"%s\"",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: Z_BUF_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)")
982 | (infstream.msg != NULL) ? infstream.msg : "(none)")wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: Z_BUF_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)");
983 | break;
984 |
985 | case Z_VERSION_ERROR(-6):
986 | *err = WTAP_ERR_INTERNAL-21;
987 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: Z_VERSION_ERROR from inflate(), message \"%s\"",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: Z_VERSION_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)")
988 | (infstream.msg != NULL) ? infstream.msg : "(none)")wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: Z_VERSION_ERROR from inflate(), message \"%s\"" , (infstream.msg != ((void*)0)) ? infstream.msg : "(none)");
989 | break;
990 |
991 | default:
992 | *err = WTAP_ERR_INTERNAL-21;
993 | *err_info = ws_strdup_printf("blf_pull_logcontainer_into_memory: unexpected error %d from inflate(), message \"%s\"",wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: unexpected error %d from inflate(), message \"%s\"" , ret, (infstream.msg != ((void*)0)) ? infstream.msg : "(none)" )
994 | ret,wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: unexpected error %d from inflate(), message \"%s\"" , ret, (infstream.msg != ((void*)0)) ? infstream.msg : "(none)" )
995 | (infstream.msg != NULL) ? infstream.msg : "(none)")wmem_strdup_printf(((void*)0), "blf_pull_logcontainer_into_memory: unexpected error %d from inflate(), message \"%s\"" , ret, (infstream.msg != ((void*)0)) ? infstream.msg : "(none)" );
996 | break;
997 | }
998 | g_free(buf);
999 | g_free(compressed_data);
1000 | ws_debug("inflate failed (return code %d) for LogContainer", ret)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1000, __func__, "inflate failed (return code %d) for LogContainer" , ret); } } while (0);
1001 | if (infstream.msg != NULL((void*)0)) {
1002 | ws_debug("inflate returned: \"%s\"", infstream.msg)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1002, __func__, "inflate returned: \"%s\"", infstream.msg); } } while (0);
1003 | }
1004 | /* Free up any dynamically-allocated memory in infstream */
1005 | ZLIB_PREFIX(inflateEnd)inflateEnd(&infstream);
1006 | return false0;
1007 | }
1008 |
1009 | if (Z_OK0 != ZLIB_PREFIX(inflateEnd)inflateEnd(&infstream)) {
1010 | /*
1011 | * The zlib manual says this only returns Z_OK on success
1012 | * and Z_STREAM_ERROR if the stream state was inconsistent.
1013 | *
1014 | * It's not clear what useful information can be reported
1015 | * for Z_STREAM_ERROR; a look at the 1.2.11 source indicates
1016 | * that no string is returned to indicate what the problem
1017 | * was.
1018 | *
1019 | * It's also not clear what to do about infstream if this
1020 | * fails.
1021 | */
1022 | *err = WTAP_ERR_INTERNAL-21;
1023 | *err_info = ws_strdup("blf_pull_logcontainer_into_memory: inflateEnd failed for LogContainer")wmem_strdup(((void*)0), "blf_pull_logcontainer_into_memory: inflateEnd failed for LogContainer" );
1024 | g_free(buf);
1025 | g_free(compressed_data);
1026 | ws_debug("inflateEnd failed for LogContainer")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1026, __func__, "inflateEnd failed for LogContainer"); } } while (0);
1027 | if (infstream.msg != NULL((void*)0)) {
1028 | ws_debug("inflateEnd returned: \"%s\"", infstream.msg)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1028, __func__, "inflateEnd returned: \"%s\"", infstream.msg ); } } while (0);
1029 | }
1030 | return false0;
1031 | }
1032 |
1033 | g_free(compressed_data);
1034 | container->real_data = buf;
1035 | return true1;
1036 | #else /* USE_ZLIB_OR_ZLIBNG */
1037 | (void) params;
1038 | *err = WTAP_ERR_DECOMPRESSION_NOT_SUPPORTED-26;
1039 | *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" );
1040 | return false0;
1041 | #endif /* USE_ZLIB_OR_ZLIBNG */
1042 | }
1043 |
1044 | return false0;
1045 | }
1046 |
1047 | /** Finds the next log container starting at the current file offset
1048 | *
1049 | * Adds the container to the containers array for later access
1050 | */
1051 | static bool_Bool
1052 | blf_find_next_logcontainer(blf_params_t* params, int* err, char** err_info) {
1053 | blf_blockheader_t header;
1054 | blf_logcontainerheader_t logcontainer_header;
1055 | blf_log_container_t tmp;
1056 | unsigned char* header_ptr;
1057 | unsigned int i;
1058 |
1059 | uint64_t current_real_start;
1060 | if (params->blf_data->log_containers->len == 0) {
1061 | current_real_start = 0;
1062 | } else {
1063 | 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)]);
1064 | current_real_start = container->real_start_pos + container->real_length;
1065 | }
1066 |
1067 | header_ptr = (unsigned char*)&header;
1068 | i = 0;
1069 |
1070 | /** Find Object
1071 | *
1072 | * We read one byte at a time so that we don't have to seek backward (allows us to do a linear read)
1073 | */
1074 | while (i < sizeof(blf_obj_magic)) {
1075 | if (!wtap_read_bytes_or_eof(params->fh, &header_ptr[i], 1, err, err_info)) {
1076 | ws_debug("we found end of file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1076, __func__, "we found end of file"); } } while (0);
1077 | return false0;
1078 | }
1079 | if (header_ptr[i] != blf_obj_magic[i]) {
1080 | if (params->pipe) {
1081 | ws_debug("container object magic is not LOBJ")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1081, __func__, "container object magic is not LOBJ"); } } while (0);
1082 | } else {
1083 | 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" , 1083, __func__, "container object magic is not LOBJ (pos: 0x%" "l" "x" ")", file_tell(params->fh) - 1); } } while (0);
1084 | }
1085 | if (i > 0) {
1086 | int j = i;
1087 |
1088 | while (memcmp(&header_ptr[i - j + 1], blf_obj_magic, j)) {
1089 | /* Check if the last j bytes match the first j bytes of the magic */
1090 | j--;
1091 | }
1092 |
1093 | /* The last j bytes match, and the first j bytes are already in the buffer, since j<=i */
1094 | i = j;
1095 | }
1096 | } else {
1097 | /* Character matches */
1098 | i++;
1099 | }
1100 | }
1101 |
1102 | if (!wtap_read_bytes_or_eof(params->fh, &header.header_length, sizeof(blf_blockheader_t) - sizeof(blf_obj_magic), err, err_info)) {
1103 | ws_debug("we found end of file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1103, __func__, "we found end of file"); } } while (0);
1104 | return false0;
1105 | }
1106 |
1107 | fix_endianness_blf_blockheader(&header);
1108 |
1109 | if (header.header_length < sizeof(blf_blockheader_t)) {
1110 | *err = WTAP_ERR_BAD_FILE-13;
1111 | *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" );
1112 | return false0;
1113 | }
1114 |
1115 | if (header.header_type != BLF_HEADER_TYPE_DEFAULT1) {
1116 | *err = WTAP_ERR_UNSUPPORTED-4;
1117 | *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);
1118 | return false0;
1119 | }
1120 |
1121 | if (header.object_length < header.header_length) {
1122 | *err = WTAP_ERR_BAD_FILE-13;
1123 | *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" );
1124 | return false0;
1125 | }
1126 |
1127 | if (header.object_type == BLF_OBJTYPE_LOG_CONTAINER10) {
1128 | /* skip unknown header part if needed */
1129 | if (header.header_length > sizeof(blf_blockheader_t)) {
1130 | /* seek over unknown header part */
1131 | if (!wtap_read_bytes(params->fh, NULL((void*)0), header.header_length - sizeof(blf_blockheader_t), err, err_info)) {
1132 | ws_debug("error skipping unknown header bytes in log container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1132, __func__, "error skipping unknown header bytes in log container" ); } } while (0);
1133 | return false0;
1134 | }
1135 | }
1136 |
1137 | /* Read the log container header */
1138 | if (!wtap_read_bytes_or_eof(params->fh, &logcontainer_header, sizeof(blf_logcontainerheader_t), err, err_info)) {
1139 | ws_debug("not enough bytes for log container header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1139, __func__, "not enough bytes for log container header" ); } } while (0);
1140 | return false0;
1141 | }
1142 |
1143 | fix_endianness_blf_logcontainerheader(&logcontainer_header);
1144 |
1145 | blf_init_logcontainer(&tmp);
1146 |
1147 | if (params->pipe) {
1148 | tmp.infile_start_pos = 0;
1149 | tmp.infile_data_start = sizeof(blf_logcontainerheader_t) + header.header_length;
1150 | } else {
1151 | tmp.infile_data_start = file_tell(params->fh);
1152 | tmp.infile_start_pos = tmp.infile_data_start - sizeof(blf_logcontainerheader_t) - header.header_length;
1153 | }
1154 | tmp.infile_length = header.object_length;
1155 |
1156 | tmp.real_start_pos = current_real_start;
1157 | tmp.real_length = logcontainer_header.uncompressed_size;
1158 | tmp.compression_method = logcontainer_header.compression_method;
1159 |
1160 | 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" , 1160, __func__, "found log container with real_pos=0x%" "l" "x" ", real_length=0x%" "l" "x", tmp.real_start_pos, tmp.real_length ); } } while (0);
1161 | } else {
1162 | ws_debug("found BLF object without log container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1162, __func__, "found BLF object without log container"); } } while (0);
1163 |
1164 | /* Create a fake log container for the lone object.
1165 | * In order to avoid seeking backwards, we need to pull the fake log container now.
1166 | */
1167 | unsigned char* buf = g_try_malloc((size_t)header.object_length);
1168 | if (buf == NULL((void*)0)) {
1169 | /*
1170 | * XXX - we need an "out of memory" error code here.
1171 | */
1172 | *err = WTAP_ERR_INTERNAL-21;
1173 | *err_info = ws_strdup("blf_find_next_logcontainer: cannot allocate memory")wmem_strdup(((void*)0), "blf_find_next_logcontainer: cannot allocate memory" );
1174 | return false0;
1175 | }
1176 |
1177 | memcpy(buf, &header, sizeof(blf_blockheader_t));
1178 |
1179 | if (header.object_length > sizeof(blf_blockheader_t)) {
1180 | if (!wtap_read_bytes(params->fh, buf + sizeof(blf_blockheader_t), header.object_length - sizeof(blf_blockheader_t), err, err_info)) {
1181 | g_free(buf);
1182 | ws_debug("cannot pull object without log container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1182, __func__, "cannot pull object without log container") ; } } while (0);
1183 | return false0;
1184 | }
1185 | }
1186 |
1187 | blf_init_logcontainer(&tmp);
1188 |
1189 | tmp.infile_start_pos = params->pipe ? 0 : (file_tell(params->fh) - header.object_length);
1190 | tmp.infile_data_start = tmp.infile_start_pos;
1191 | tmp.infile_length = header.object_length;
1192 |
1193 | tmp.real_start_pos = current_real_start;
1194 | tmp.real_length = header.object_length;
1195 | tmp.compression_method = BLF_COMPRESSION_NONE0;
1196 |
1197 | tmp.real_data = buf;
1198 |
1199 | 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" , 1199, __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);
1200 | }
1201 |
1202 | g_array_append_val(params->blf_data->log_containers, tmp)g_array_append_vals (params->blf_data->log_containers, & (tmp), 1);
1203 |
1204 | return true1;
1205 | }
1206 |
1207 | static bool_Bool
1208 | // NOLINTNEXTLINE(misc-no-recursion)
1209 | blf_pull_next_logcontainer(blf_params_t* params, int* err, char** err_info) {
1210 | blf_log_container_t* container;
1211 |
1212 | if (!blf_find_next_logcontainer(params, err, err_info)) {
1213 | return false0;
1214 | }
1215 |
1216 | /* Is there a next log container to pull? */
1217 | if (params->blf_data->log_containers->len == 0) {
1218 | /* No. */
1219 | return false0;
1220 | }
1221 |
1222 | 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)]);
1223 | if (!blf_pull_logcontainer_into_memory(params, container, err, err_info)) {
1224 | if (*err == WTAP_ERR_DECOMPRESS-20) {
1225 | report_warning("Error while decompressing BLF log container number %u (file pos. 0x%" PRIx64"l" "x" "): %s",
1226 | params->blf_data->log_containers->len - 1, container->infile_start_pos, *err_info ? *err_info : "(none)");
1227 | *err = 0;
1228 | g_free(*err_info);
1229 | *err_info = NULL((void*)0);
1230 |
1231 | /* Skip this log container and try to get the next one. */
1232 | g_array_remove_index(params->blf_data->log_containers, params->blf_data->log_containers->len - 1);
1233 | /* Calling blf_pull_logcontainer_into_memory advances the file pointer. Eventually we will reach the end of the file and stop recursing. */
1234 | return blf_pull_next_logcontainer(params, err, err_info);
1235 | }
1236 |
1237 | return false0;
1238 | }
1239 |
1240 | return true1;
1241 | }
1242 |
1243 | static bool_Bool
1244 | blf_read_bytes_or_eof(blf_params_t *params, uint64_t real_pos, void *target_buffer, uint64_t count, int *err, char **err_info) {
1245 | blf_log_container_t* container;
1246 | unsigned container_index;
1247 |
1248 | uint64_t end_pos = real_pos + count;
1249 |
1250 | uint64_t copied = 0;
1251 | uint64_t data_left;
1252 | uint64_t start_in_buf;
1253 |
1254 | unsigned char *buf = (unsigned char *)target_buffer;
1255 |
1256 | if (count == 0) {
1257 | ws_debug("called blf_read_bytes_or_eof with 0 count")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1257, __func__, "called blf_read_bytes_or_eof with 0 count" ); } } while (0);
1258 | return false0;
1259 | }
1260 |
1261 | if (count > UINT32_MAX(4294967295U)) {
1262 | ws_debug("trying to read too many bytes")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1262, __func__, "trying to read too many bytes"); } } while (0);
1263 | return false0;
1264 | }
1265 |
1266 | if (params->random) {
1267 | /*
1268 | * Do a binary search for the container in which real_pos
1269 | * is included.
1270 | */
1271 | if (!g_array_binary_search(params->blf_data->log_containers, &real_pos, blf_logcontainers_search, &container_index)) {
1272 | /*
1273 | * XXX - why is this treated as an EOF rather than an error?
1274 | * *err appears to be 0, which means our caller treats it as an
1275 | * EOF, at least when reading the log object header.
1276 | */
1277 | ws_debug("cannot read data because start position cannot be mapped")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1277, __func__, "cannot read data because start position cannot be mapped" ); } } while (0);
1278 | return false0;
1279 | }
1280 | 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)]);
1281 | } else {
1282 | if (params->blf_data->log_containers->len == 0) {
1283 | /*
1284 | * This is the first (linear) pass, and we haven't yet
1285 | * added any containers. Pull the next log container
1286 | * into memory, so that the array isn't empty.
1287 | */
1288 | if (!blf_pull_next_logcontainer(params, err, err_info)) {
1289 | return false0;
1290 | }
1291 | }
1292 |
1293 | /*
1294 | * Search backwards in the array, from the last entry to the
1295 | * first, to find the log container in which real_pos is
1296 | * included.
1297 | */
1298 | container_index = params->blf_data->log_containers->len;
1299 | do {
1300 | 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)]);
1301 | } while (real_pos < container->real_start_pos && container_index > 0); /* For some reason we skipped past the correct container */
1302 | }
1303 |
1304 | while (real_pos < end_pos) {
1305 |
1306 | while (real_pos >= container->real_start_pos + container->real_length) {
1307 | container_index++;
1308 | if (!params->random) { /* First (linear) pass */
1309 | if (!blf_pull_next_logcontainer(params, err, err_info)) {
1310 | return false0;
1311 | }
1312 | }
1313 | if (container_index >= params->blf_data->log_containers->len) {
1314 | ws_debug("cannot find real_pos in container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1314, __func__, "cannot find real_pos in container"); } } while (0);
1315 | return false0;
1316 | }
1317 | 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)]);
1318 | if (real_pos < container->real_start_pos) {
1319 | ws_debug("cannot find real_pos in container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1319, __func__, "cannot find real_pos in container"); } } while (0);
1320 | return false0;
1321 | }
1322 | }
1323 |
1324 | if (real_pos < container->real_start_pos) {
1325 | ws_debug("cannot find real_pos in container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1325, __func__, "cannot find real_pos in container"); } } while (0);
1326 | return false0;
1327 | }
1328 |
1329 | start_in_buf = real_pos - container->real_start_pos;
1330 |
1331 | if (params->random) {
1332 | if (file_seek(params->fh, container->infile_data_start, SEEK_SET0, err) == -1) {
1333 | return false0;
1334 | }
1335 | if (!blf_pull_logcontainer_into_memory(params, container, err, err_info)) {
1336 | return false0;
1337 | }
1338 | }
1339 |
1340 | data_left = container->real_length - start_in_buf;
1341 |
1342 | if (data_left < (count - copied)) {
1343 | memcpy(buf + copied, container->real_data + start_in_buf, data_left);
1344 | copied += data_left;
1345 | real_pos += data_left;
1346 | } else {
1347 | memcpy(buf + copied, container->real_data + start_in_buf, count - copied);
1348 | return true1;
1349 | }
1350 |
1351 | }
1352 |
1353 | /*
1354 | * XXX - does this represent a bug (WTAP_ERR_INTERNAL) or a
1355 | * malformed file (WTAP_ERR_BAD_FILE)?
1356 | */
1357 | *err = WTAP_ERR_INTERNAL-21;
1358 | *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" );
1359 | return false0;
1360 | }
1361 |
1362 | static bool_Bool
1363 | blf_read_bytes(blf_params_t *params, uint64_t real_pos, void *target_buffer, uint64_t count, int *err, char **err_info) {
1364 | if (!blf_read_bytes_or_eof(params, real_pos, target_buffer, count, err, err_info)) {
1365 | if (*err == 0) {
1366 | *err = WTAP_ERR_SHORT_READ-12;
1367 | }
1368 | return false0;
1369 | }
1370 | return true1;
1371 | }
1372 |
1373 | static void
1374 | 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) {
1375 | wtap_setup_packet_rec(params->rec, pkt_encap);
1376 | params->rec->block = wtap_block_create(WTAP_BLOCK_PACKET);
1377 | params->rec->presence_flags = WTAP_HAS_CAP_LEN0x00000002 | WTAP_HAS_INTERFACE_ID0x00000004;
1378 | switch (flags) {
1379 | case BLF_TIMESTAMP_RESOLUTION_10US1:
1380 | params->rec->presence_flags |= WTAP_HAS_TS0x00000001;
1381 | params->rec->tsprec = WTAP_TSPREC_10_USEC5;
1382 | object_timestamp *= 10000;
1383 | object_timestamp += params->blf_data->start_offset_ns;
1384 | break;
1385 |
1386 | case BLF_TIMESTAMP_RESOLUTION_1NS2:
1387 | params->rec->presence_flags |= WTAP_HAS_TS0x00000001;
1388 | params->rec->tsprec = WTAP_TSPREC_NSEC9;
1389 | object_timestamp += params->blf_data->start_offset_ns;
1390 | break;
1391 |
1392 | default:
1393 | /* Metadata objects have both flags and timestamp equal to zero, so that combination is not an error. */
1394 | if (flags != 0 || object_timestamp != 0) {
1395 | /*
1396 | * XXX - report this as an error?
1397 | *
1398 | * Or provide a mechanism to allow file readers to report
1399 | * a warning (an error that the reader tries to work
1400 | * around and that the caller should report)?
1401 | */
1402 | 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" , 1402, __func__, "Unknown combination of flags and timestamp (0x%x, %" "l" "u" ")", flags, object_timestamp); } } while (0);
1403 | object_timestamp = 0;
1404 | }
1405 | break;
1406 | }
1407 | params->rec->ts.secs = object_timestamp / (1000 * 1000 * 1000);
1408 | params->rec->ts.nsecs = object_timestamp % (1000 * 1000 * 1000);
1409 | params->rec->rec_header.packet_header.caplen = caplen;
1410 | params->rec->rec_header.packet_header.len = len;
1411 |
1412 | params->rec->rec_header.packet_header.interface_id = blf_lookup_interface(params, pkt_encap, channel, hwchannel, NULL((void*)0));
1413 |
1414 | /* TODO: before we had to remove comments and verdict here to not leak memory but APIs have changed ... */
1415 | }
1416 |
1417 | static void
1418 | blf_add_direction_option(blf_params_t *params, uint16_t direction) {
1419 | uint32_t tmp = PACK_FLAGS_DIRECTION_INBOUND1; /* don't care */
1420 |
1421 | switch (direction) {
1422 | case BLF_DIR_RX0:
1423 | tmp = PACK_FLAGS_DIRECTION_INBOUND1; /* inbound */
1424 | break;
1425 | case BLF_DIR_TX1:
1426 | case BLF_DIR_TX_RQ2:
1427 | tmp = PACK_FLAGS_DIRECTION_OUTBOUND2; /* outbound */
1428 | break;
1429 | }
1430 |
1431 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_FLAGS2, tmp);
1432 | }
1433 |
1434 | static bool_Bool
1435 | 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) {
1436 | if (data_start - header2_start < (int64_t)sizeof(blf_logobjectheader_t)) {
1437 | *err = WTAP_ERR_BAD_FILE-13;
1438 | *err_info = ws_strdup("blf: not enough bytes for log object header")wmem_strdup(((void*)0), "blf: not enough bytes for log object header" );
1439 | ws_debug("not enough bytes for timestamp header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1439, __func__, "not enough bytes for timestamp header"); } } while (0);
1440 | return false0;
1441 | }
1442 |
1443 | if (!blf_read_bytes_or_eof(params, header2_start, logheader, sizeof(*logheader), err, err_info)) {
1444 | ws_debug("not enough bytes for logheader")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1444, __func__, "not enough bytes for logheader"); } } while (0);
1445 | return false0;
1446 | }
1447 | fix_endianness_blf_logobjectheader(logheader);
1448 | return true1;
1449 | }
1450 |
1451 | static bool_Bool
1452 | 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) {
1453 | if (data_start - header2_start < (int64_t)sizeof(blf_logobjectheader2_t)) {
1454 | *err = WTAP_ERR_BAD_FILE-13;
1455 | *err_info = ws_strdup("blf: not enough bytes for log object header")wmem_strdup(((void*)0), "blf: not enough bytes for log object header" );
1456 | ws_debug("not enough bytes for timestamp header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1456, __func__, "not enough bytes for timestamp header"); } } while (0);
1457 | return false0;
1458 | }
1459 |
1460 | if (!blf_read_bytes_or_eof(params, header2_start, logheader, sizeof(*logheader), err, err_info)) {
1461 | ws_debug("not enough bytes for logheader")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1461, __func__, "not enough bytes for logheader"); } } while (0);
1462 | return false0;
1463 | }
1464 | fix_endianness_blf_logobjectheader2(logheader);
1465 | return true1;
1466 | }
1467 |
1468 | static bool_Bool
1469 | 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) {
1470 | if (data_start - header2_start < (int64_t)sizeof(blf_logobjectheader3_t)) {
1471 | *err = WTAP_ERR_BAD_FILE-13;
1472 | *err_info = ws_strdup("blf: not enough bytes for log object header")wmem_strdup(((void*)0), "blf: not enough bytes for log object header" );
1473 | ws_debug("not enough bytes for timestamp header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1473, __func__, "not enough bytes for timestamp header"); } } while (0);
1474 | return false0;
1475 | }
1476 |
1477 | if (!blf_read_bytes_or_eof(params, header2_start, logheader, sizeof(*logheader), err, err_info)) {
1478 | ws_debug("not enough bytes for logheader")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1478, __func__, "not enough bytes for logheader"); } } while (0);
1479 | return false0;
1480 | }
1481 | fix_endianness_blf_logobjectheader3(logheader);
1482 | return true1;
1483 | }
1484 |
1485 | static bool_Bool
1486 | 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) {
1487 | blf_ethernetframeheader_t ethheader;
1488 | uint8_t tmpbuf[18];
1489 | unsigned caplen, len;
1490 |
1491 | if (object_length < (data_start - block_start) + (int) sizeof(blf_ethernetframeheader_t)) {
1492 | *err = WTAP_ERR_BAD_FILE-13;
1493 | *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" );
1494 | ws_debug("not enough bytes for ethernet frame header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1494, __func__, "not enough bytes for ethernet frame header in object" ); } } while (0);
1495 | return false0;
1496 | }
1497 |
1498 | if (!blf_read_bytes(params, data_start, &ethheader, sizeof(ethheader), err, err_info)) {
1499 | ws_debug("not enough bytes for ethernet frame header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1499, __func__, "not enough bytes for ethernet frame header in file" ); } } while (0);
1500 | return false0;
1501 | }
1502 | fix_endianness_blf_ethernetframeheader(&ethheader);
1503 |
1504 | /*
1505 | * BLF breaks up and reorders the Ethernet header and VLAN tag fields.
1506 | * This is a really bad design and makes this format one of the worst.
1507 | * If you want a fast format that keeps your data intact, avoid this format!
1508 | * So, lets hope we can reconstruct the original packet successfully.
1509 | */
1510 |
1511 | tmpbuf[0] = ethheader.dst_addr[0];
1512 | tmpbuf[1] = ethheader.dst_addr[1];
1513 | tmpbuf[2] = ethheader.dst_addr[2];
1514 | tmpbuf[3] = ethheader.dst_addr[3];
1515 | tmpbuf[4] = ethheader.dst_addr[4];
1516 | tmpbuf[5] = ethheader.dst_addr[5];
1517 |
1518 | tmpbuf[6] = ethheader.src_addr[0];
1519 | tmpbuf[7] = ethheader.src_addr[1];
1520 | tmpbuf[8] = ethheader.src_addr[2];
1521 | tmpbuf[9] = ethheader.src_addr[3];
1522 | tmpbuf[10] = ethheader.src_addr[4];
1523 | tmpbuf[11] = ethheader.src_addr[5];
1524 |
1525 | if (ethheader.tpid != 0 && ethheader.tci != 0) {
1526 | phtonu16(tmpbuf + 12, ethheader.tpid);
1527 | phtonu16(tmpbuf + 14, ethheader.tci);
1528 | phtonu16(tmpbuf + 16, ethheader.ethtype);
1529 | ws_buffer_assure_space(&params->rec->data, (size_t)18 + ethheader.payloadlength);
1530 | ws_buffer_append(&params->rec->data, tmpbuf, (size_t)18);
1531 | caplen = ((uint32_t)18 + ethheader.payloadlength);
1532 | len = ((uint32_t)18 + ethheader.payloadlength);
1533 | } else {
1534 | phtonu16(tmpbuf + 12, ethheader.ethtype);
1535 | ws_buffer_assure_space(&params->rec->data, (size_t)14 + ethheader.payloadlength);
1536 | ws_buffer_append(&params->rec->data, tmpbuf, (size_t)14);
1537 | caplen = ((uint32_t)14 + ethheader.payloadlength);
1538 | len = ((uint32_t)14 + ethheader.payloadlength);
1539 | }
1540 |
1541 | if (!blf_read_bytes(params, data_start + sizeof(blf_ethernetframeheader_t), ws_buffer_end_ptr(&params->rec->data), ethheader.payloadlength, err, err_info)) {
1542 | ws_debug("copying ethernet frame failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1542, __func__, "copying ethernet frame failed"); } } while (0);
1543 | return false0;
1544 | }
1545 | ws_buffer_increase_length(&params->rec->data, ethheader.payloadlength);
1546 |
1547 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, UINT16_MAX(65535), caplen, len);
1548 | blf_add_direction_option(params, ethheader.direction);
1549 |
1550 | return true1;
1551 | }
1552 |
1553 | static bool_Bool
1554 | blf_read_ethernetframe_ext(blf_params_t *params, int *err, char **err_info, int64_t block_start,int64_t data_start,
1555 | int64_t object_length, uint32_t flags, uint64_t object_timestamp, gboolean error) {
1556 | blf_ethernetframeheader_ex_t ethheader;
1557 |
1558 | if (object_length < (data_start - block_start) + (int) sizeof(blf_ethernetframeheader_ex_t)) {
1559 | *err = WTAP_ERR_BAD_FILE-13;
1560 | *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");
1561 | ws_debug("not enough bytes for ethernet frame header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1561, __func__, "not enough bytes for ethernet frame header in object" ); } } while (0);
1562 | return false0;
1563 | }
1564 |
1565 | if (!blf_read_bytes(params, data_start, &ethheader, sizeof(blf_ethernetframeheader_ex_t), err, err_info)) {
1566 | ws_debug("not enough bytes for ethernet frame header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1566, __func__, "not enough bytes for ethernet frame header in file" ); } } while (0);
1567 | return false0;
1568 | }
1569 | fix_endianness_blf_ethernetframeheader_ex(&ethheader);
1570 |
1571 | if (object_length - (data_start - block_start) - sizeof(blf_ethernetframeheader_ex_t) < ethheader.frame_length) {
1572 | *err = WTAP_ERR_BAD_FILE-13;
1573 | *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");
1574 | ws_debug("frame too short")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1574, __func__, "frame too short"); } } while (0);
1575 | return false0;
1576 | }
1577 |
1578 | ws_buffer_assure_space(&params->rec->data, ethheader.frame_length);
1579 |
1580 | if (!blf_read_bytes(params, data_start + sizeof(blf_ethernetframeheader_ex_t), ws_buffer_end_ptr(&params->rec->data), ethheader.frame_length, err, err_info)) {
1581 | ws_debug("copying ethernet frame failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1581, __func__, "copying ethernet frame failed"); } } while (0);
1582 | return false0;
1583 | }
1584 | ws_buffer_increase_length(&params->rec->data, ethheader.frame_length);
1585 |
1586 | if (ethheader.flags & BLF_ETHERNET_EX_HARDWARECHANNEL0x0002) {
1587 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, ethheader.hw_channel, ethheader.frame_length, ethheader.frame_length);
1588 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_QUEUE6, ethheader.hw_channel);
1589 | } else {
1590 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, UINT16_MAX(65535), ethheader.frame_length, ethheader.frame_length);
1591 | }
1592 |
1593 | blf_add_direction_option(params, ethheader.direction);
1594 |
1595 | return true1;
1596 | }
1597 |
1598 | static bool_Bool
1599 | 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) {
1600 | blf_ethernet_rxerror_t ethheader;
1601 |
1602 | if (object_length < (data_start - block_start) + (int)sizeof(blf_ethernet_rxerror_t)) {
1603 | *err = WTAP_ERR_BAD_FILE-13;
1604 | *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" );
1605 | 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" , 1605, __func__, "not enough bytes for ethernet rx error header in object" ); } } while (0);
1606 | return false0;
1607 | }
1608 |
1609 | if (!blf_read_bytes(params, data_start, &ethheader, sizeof(blf_ethernet_rxerror_t), err, err_info)) {
1610 | 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" , 1610, __func__, "not enough bytes for ethernet rx error header in file" ); } } while (0);
1611 | return false0;
1612 | }
1613 | fix_endianness_blf_ethernet_rxerror(&ethheader);
1614 |
1615 | if (object_length - (data_start - block_start) < ethheader.frame_length) {
1616 | *err = WTAP_ERR_BAD_FILE-13;
1617 | *err_info = ws_strdup("blf: ETHERNET_RXERROR: frame too short")wmem_strdup(((void*)0), "blf: ETHERNET_RXERROR: frame too short" );
1618 | ws_debug("frame too short")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1618, __func__, "frame too short"); } } while (0);
1619 | return false0;
1620 | }
1621 |
1622 | ws_buffer_assure_space(&params->rec->data, ethheader.frame_length);
1623 |
1624 | if (!blf_read_bytes(params, data_start + sizeof(blf_ethernet_rxerror_t), ws_buffer_end_ptr(&params->rec->data), ethheader.frame_length, err, err_info)) {
1625 | ws_debug("copying ethernet rx error failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1625, __func__, "copying ethernet rx error failed"); } } while (0);
1626 | return false0;
1627 | }
1628 | ws_buffer_increase_length(&params->rec->data, ethheader.frame_length);
1629 |
1630 | if (ethheader.hw_channel != 0) { /* In this object type, a value of 0 is considered invalid. */
1631 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, ethheader.hw_channel, ethheader.frame_length, ethheader.frame_length);
1632 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_QUEUE6, ethheader.hw_channel);
1633 | } else {
1634 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_ETHERNET1, ethheader.channel, UINT16_MAX(65535), ethheader.frame_length, ethheader.frame_length);
1635 | }
1636 | blf_add_direction_option(params, ethheader.direction);
1637 |
1638 | return true1;
1639 | }
1640 |
1641 | /*
1642 | * XXX - provide radio information to our caller in the pseudo-header.
1643 | */
1644 | static bool_Bool
1645 | 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) {
1646 | blf_wlanframeheader_t wlanheader;
1647 |
1648 | if (object_length < (data_start - block_start) + (int)sizeof(blf_wlanframeheader_t)) {
1649 | *err = WTAP_ERR_BAD_FILE-13;
1650 | *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" );
1651 | ws_debug("not enough bytes for wlan frame header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1651, __func__, "not enough bytes for wlan frame header in object" ); } } while (0);
1652 | return false0;
1653 | }
1654 |
1655 | if (!blf_read_bytes(params, data_start, &wlanheader, sizeof(blf_wlanframeheader_t), err, err_info)) {
1656 | ws_debug("not enough bytes for wlan frame header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1656, __func__, "not enough bytes for wlan frame header in file" ); } } while (0);
1657 | return false0;
1658 | }
1659 | fix_endianness_blf_wlanframeheader(&wlanheader);
1660 |
1661 | if (object_length - (data_start - block_start) - sizeof(blf_wlanframeheader_t) < wlanheader.frame_length) {
1662 | *err = WTAP_ERR_BAD_FILE-13;
1663 | *err_info = ws_strdup("blf: WLAN_FRAME: frame too short")wmem_strdup(((void*)0), "blf: WLAN_FRAME: frame too short");
1664 | ws_debug("frame too short")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1664, __func__, "frame too short"); } } while (0);
1665 | return false0;
1666 | }
1667 |
1668 | ws_buffer_assure_space(&params->rec->data, wlanheader.frame_length);
1669 |
1670 | if (!blf_read_bytes(params, data_start + sizeof(blf_wlanframeheader_t), ws_buffer_end_ptr(&params->rec->data), wlanheader.frame_length, err, err_info)) {
1671 | ws_debug("copying wlan frame failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1671, __func__, "copying wlan frame failed"); } } while (0);
1672 | return false0;
1673 | }
1674 | ws_buffer_increase_length(&params->rec->data, wlanheader.frame_length);
1675 |
1676 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_IEEE_802_1120, wlanheader.channel, UINT16_MAX(65535), wlanheader.frame_length, wlanheader.frame_length);
1677 | blf_add_direction_option(params, wlanheader.direction);
1678 |
1679 | return true1;
1680 | }
1681 |
1682 | static const uint8_t can_dlc_to_length[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 8, 8, 8, 8, 8, 8 };
1683 | static const uint8_t canfd_dlc_to_length[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 12, 16, 20, 24, 32, 48, 64 };
1684 |
1685 | static bool_Bool
1686 | 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,
1687 | uint32_t flags, uint64_t object_timestamp, uint16_t channel, uint8_t canfd_flags) {
1688 | uint8_t tmpbuf[8];
1689 | unsigned caplen, len;
1690 |
1691 | phtonu32(tmpbuf, canid);
1692 | tmpbuf[4] = payload_length;
1693 | tmpbuf[5] = canfd_flags;
1694 | tmpbuf[6] = 0;
1695 | tmpbuf[7] = 0;
1696 |
1697 | ws_buffer_assure_space(&params->rec->data, sizeof(tmpbuf) + payload_length_valid);
1698 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
1699 | caplen = sizeof(tmpbuf) + payload_length_valid;
1700 | len = sizeof(tmpbuf) + payload_length;
1701 |
1702 | if (payload_length_valid > 0 && !blf_read_bytes(params, start_position, ws_buffer_end_ptr(&params->rec->data), payload_length_valid, err, err_info)) {
1703 | ws_debug("copying can payload failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1703, __func__, "copying can payload failed"); } } while (0 );
1704 | return false0;
1705 | }
1706 | ws_buffer_increase_length(&params->rec->data, payload_length_valid);
1707 |
1708 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, channel, UINT16_MAX(65535), caplen, len);
1709 |
1710 | return true1;
1711 | }
1712 |
1713 | static bool_Bool
1714 | 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) {
1715 | blf_canmessage_t canheader;
1716 | blf_canmessage2_trailer_t can2trailer;
1717 |
1718 | uint32_t canid;
1719 | uint8_t payload_length;
1720 |
1721 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) {
1722 | *err = WTAP_ERR_BAD_FILE-13;
1723 | *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")
1724 | 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");
1725 | ws_debug("not enough bytes for can header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1725, __func__, "not enough bytes for can header in object" ); } } while (0);
1726 | return false0;
1727 | }
1728 |
1729 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) {
1730 | ws_debug("not enough bytes for can header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1730, __func__, "not enough bytes for can header in file"); } } while (0);
1731 | return false0;
1732 | }
1733 | fix_endianness_blf_canmessage(&canheader);
1734 |
1735 | canheader.dlc &= 0x0f;
1736 |
1737 | payload_length = canheader.dlc;
1738 | if (payload_length > 8) {
1739 | 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" , 1739, __func__, "regular CAN tries more than 8 bytes? Cutting to 8!" ); } } while (0);
1740 | payload_length = 8;
1741 | }
1742 |
1743 | canid = canheader.id;
1744 |
1745 | if ((canheader.flags & BLF_CANMESSAGE_FLAG_RTR0x80) == BLF_CANMESSAGE_FLAG_RTR0x80) {
1746 | canid |= CAN_RTR_FLAG0x40000000;
1747 | payload_length = 0;
1748 | }
1749 |
1750 | 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)) {
1751 | return false0;
1752 | }
1753 |
1754 | /* actually, we do not really need the data, right now.... */
1755 | if (can_message2) {
1756 | if (object_length < (data_start - block_start) + (int) sizeof(canheader) + 8 + (int) sizeof(can2trailer)) {
1757 | *err = WTAP_ERR_BAD_FILE-13;
1758 | *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" );
1759 | ws_debug("not enough bytes for can message 2 trailer")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1759, __func__, "not enough bytes for can message 2 trailer" ); } } while (0);
1760 | return false0;
1761 | }
1762 | if (!blf_read_bytes(params, data_start + sizeof(canheader) + 8, &can2trailer, sizeof(can2trailer), err, err_info)) {
1763 | 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" , 1763, __func__, "not enough bytes for can message 2 trailer in file" ); } } while (0);
1764 | return false0;
1765 | }
1766 | fix_endianness_blf_canmessage2_trailer(&can2trailer);
1767 | }
1768 |
1769 | blf_add_direction_option(params, (canheader.flags & BLF_CANMESSAGE_FLAG_TX0x01) == BLF_CANMESSAGE_FLAG_TX0x01 ? BLF_DIR_TX1: BLF_DIR_RX0);
1770 |
1771 | return true1;
1772 | }
1773 |
1774 | static bool_Bool
1775 | 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) {
1776 | blf_canfdmessage_t canheader;
1777 |
1778 | bool_Bool canfd;
1779 | uint32_t canid;
1780 | uint8_t payload_length;
1781 | uint8_t payload_length_valid;
1782 | uint8_t canfd_flags;
1783 |
1784 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) {
1785 | *err = WTAP_ERR_BAD_FILE-13;
1786 | *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" );
1787 | ws_debug("not enough bytes for canfd header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1787, __func__, "not enough bytes for canfd header in object" ); } } while (0);
1788 | return false0;
1789 | }
1790 |
1791 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) {
1792 | ws_debug("not enough bytes for canfd header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1792, __func__, "not enough bytes for canfd header in file" ); } } while (0);
1793 | return false0;
1794 | }
1795 | fix_endianness_blf_canfdmessage(&canheader);
1796 |
1797 | canheader.dlc &= 0x0f;
1798 |
1799 | canfd = (canheader.canfdflags & BLF_CANFDMESSAGE_CANFDFLAG_EDL0x01) == BLF_CANFDMESSAGE_CANFDFLAG_EDL0x01;
1800 | if (canfd) {
1801 | payload_length = canfd_dlc_to_length[canheader.dlc];
1802 | canfd_flags = (canheader.canfdflags & BLF_CANFDMESSAGE_CANFDFLAG_EDL0x01) << 2 | (canheader.canfdflags & BLF_CANFDMESSAGE_CANFDFLAG_ESI0x04) >> 1 | (canheader.canfdflags & BLF_CANFDMESSAGE_CANFDFLAG_BRS0x02) >> 1;
1803 | } else {
1804 | if (canheader.dlc > 8) {
1805 | ws_debug("regular CAN tries more than 8 bytes?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1805, __func__, "regular CAN tries more than 8 bytes?"); } } while (0);
1806 | }
1807 | payload_length = can_dlc_to_length[canheader.dlc];
1808 | canfd_flags = 0;
1809 | }
1810 |
1811 | if (payload_length > canheader.validDataBytes) {
1812 | ws_debug("shortening canfd payload because valid data bytes shorter!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1812, __func__, "shortening canfd payload because valid data bytes shorter!" ); } } while (0);
1813 | payload_length = canheader.validDataBytes;
1814 | }
1815 |
1816 | canid = canheader.id;
1817 |
1818 | if (!canfd && (canheader.flags & BLF_CANMESSAGE_FLAG_RTR0x80) == BLF_CANMESSAGE_FLAG_RTR0x80) {
1819 | canid |= CAN_RTR_FLAG0x40000000;
1820 | payload_length = 0; /* Should already be zero from validDataBytes */
1821 | }
1822 |
1823 | payload_length_valid = payload_length;
1824 |
1825 | if (payload_length_valid > object_length - (data_start - block_start) + sizeof(canheader)) {
1826 | ws_debug("shortening can payload because buffer is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1826, __func__, "shortening can payload because buffer is too short!" ); } } while (0);
1827 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start));
1828 | }
1829 |
1830 | 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)) {
1831 | return false0;
1832 | }
1833 |
1834 | blf_add_direction_option(params, (canheader.flags & BLF_CANMESSAGE_FLAG_TX0x01) == BLF_CANMESSAGE_FLAG_TX0x01 ? BLF_DIR_TX1 : BLF_DIR_RX0);
1835 |
1836 | return true1;
1837 | }
1838 |
1839 | static bool_Bool
1840 | 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) {
1841 | blf_canfdmessage64_t canheader;
1842 |
1843 | bool_Bool canfd;
1844 | uint32_t canid;
1845 | uint8_t payload_length;
1846 | uint8_t payload_length_valid;
1847 | uint8_t canfd_flags;
1848 |
1849 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) {
1850 | *err = WTAP_ERR_BAD_FILE-13;
1851 | *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" );
1852 | ws_debug("not enough bytes for canfd header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1852, __func__, "not enough bytes for canfd header in object" ); } } while (0);
1853 | return false0;
1854 | }
1855 |
1856 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) {
1857 | ws_debug("not enough bytes for canfd header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1857, __func__, "not enough bytes for canfd header in file" ); } } while (0);
1858 | return false0;
1859 | }
1860 | fix_endianness_blf_canfdmessage64(&canheader);
1861 |
1862 | canheader.dlc &= 0x0f;
1863 |
1864 | canfd = (canheader.flags & BLF_CANFDMESSAGE64_FLAG_EDL0x001000) == BLF_CANFDMESSAGE64_FLAG_EDL0x001000;
1865 | if (canfd) {
1866 | payload_length = canfd_dlc_to_length[canheader.dlc];
1867 | canfd_flags = (canheader.flags & BLF_CANFDMESSAGE64_FLAG_EDL0x001000) >> 10 | (canheader.flags & BLF_CANFDMESSAGE64_FLAG_ESI0x004000) >> 13 | (canheader.flags & BLF_CANFDMESSAGE64_FLAG_BRS0x002000) >> 13;
1868 | } else {
1869 | if (canheader.dlc > 8) {
1870 | ws_debug("regular CAN tries more than 8 bytes?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1870, __func__, "regular CAN tries more than 8 bytes?"); } } while (0);
1871 | }
1872 | payload_length = can_dlc_to_length[canheader.dlc];
1873 | canfd_flags = 0;
1874 | }
1875 |
1876 | if (payload_length > canheader.validDataBytes) {
1877 | ws_debug("shortening canfd payload because valid data bytes shorter!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1877, __func__, "shortening canfd payload because valid data bytes shorter!" ); } } while (0);
1878 | payload_length = canheader.validDataBytes;
1879 | }
1880 |
1881 | canid = canheader.id;
1882 |
1883 | if (!canfd && (canheader.flags & BLF_CANFDMESSAGE64_FLAG_REMOTE_FRAME0x000010) == BLF_CANFDMESSAGE64_FLAG_REMOTE_FRAME0x000010) {
1884 | canid |= CAN_RTR_FLAG0x40000000;
1885 | payload_length = 0; /* Should already be zero from validDataBytes */
1886 | }
1887 |
1888 | payload_length_valid = payload_length;
1889 |
1890 | if (payload_length_valid > object_length - (data_start - block_start)) {
1891 | ws_debug("shortening can payload because buffer is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1891, __func__, "shortening can payload because buffer is too short!" ); } } while (0);
1892 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start));
1893 | }
1894 |
1895 | 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)) {
1896 | return false0;
1897 | }
1898 |
1899 | blf_add_direction_option(params, canheader.dir);
1900 |
1901 | return true1;
1902 | }
1903 |
1904 | static bool_Bool
1905 | 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) {
1906 | blf_canerror_t canheader;
1907 | uint32_t canid;
1908 | uint8_t payload_length;
1909 | uint8_t tmpbuf[16] = {0};
1910 |
1911 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) {
1912 | *err = WTAP_ERR_BAD_FILE-13;
1913 | *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" );
1914 | ws_debug("not enough bytes for canerror header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1914, __func__, "not enough bytes for canerror header in object" ); } } while (0);
1915 | return false0;
1916 | }
1917 |
1918 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) {
1919 | ws_debug("not enough bytes for canerror header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1919, __func__, "not enough bytes for canerror header in file" ); } } while (0);
1920 | return false0;
1921 | }
1922 | fix_endianness_blf_canerror(&canheader);
1923 |
1924 | // Set CAN_ERR_FLAG in unused bits of Can ID to indicate error in socketcan
1925 | canid = CAN_ERR_FLAG0x20000000;
1926 |
1927 | // Fixed packet data length for socketcan error messages
1928 | payload_length = CAN_ERR_DLC8;
1929 |
1930 | if (overload) {
1931 | tmpbuf[10] = CAN_ERR_PROT_OVERLOAD0x20;
1932 | canid |= CAN_ERR_PROT0x00000008U;
1933 | }
1934 |
1935 | phtonu32(tmpbuf, canid);
1936 | tmpbuf[4] = payload_length;
1937 |
1938 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
1939 |
1940 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, canheader.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf));
1941 | return true1;
1942 | }
1943 |
1944 | static bool_Bool
1945 | 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) {
1946 | blf_canerrorext_t canheader;
1947 |
1948 | bool_Bool err_ack = false0;
1949 | bool_Bool err_prot = false0;
1950 | bool_Bool direction_tx;
1951 | uint32_t canid;
1952 | uint8_t payload_length;
1953 | uint8_t tmpbuf[16] = {0};
1954 |
1955 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) {
1956 | *err = WTAP_ERR_BAD_FILE-13;
1957 | *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" );
1958 | ws_debug("not enough bytes for canerrorext header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1958, __func__, "not enough bytes for canerrorext header in object" ); } } while (0);
1959 | return false0;
1960 | }
1961 |
1962 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) {
1963 | ws_debug("not enough bytes for canerrorext header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 1963, __func__, "not enough bytes for canerrorext header in file" ); } } while (0);
1964 | return false0;
1965 | }
1966 | fix_endianness_blf_canerrorext(&canheader);
1967 |
1968 | if (canheader.flags & BLF_CANERROREXT_FLAG_CANCORE0x02) {
1969 | // Map Vector Can Core error codes to compareable socketcan errors
1970 | switch ((canheader.errorCodeExt >> 6) & 0x3f) {
1971 | case BLF_CANERROREXT_ECC_MEANING_BIT_ERROR0x0:
1972 | err_prot = true1;
1973 | tmpbuf[10] = CAN_ERR_PROT_BIT0x01;
1974 | break;
1975 | case BLF_CANERROREXT_ECC_MEANING_FORM_ERROR0x1:
1976 | err_prot = true1;
1977 | tmpbuf[10] = CAN_ERR_PROT_FORM0x02;
1978 | break;
1979 | case BLF_CANERROREXT_ECC_MEANING_STUFF_ERROR0x2:
1980 | err_prot = true1;
1981 | tmpbuf[10] = CAN_ERR_PROT_STUFF0x04;
1982 | break;
1983 | case BLF_CANERROREXT_ECC_MEANING_CRC_ERROR0x4:
1984 | err_prot = true1;
1985 | tmpbuf[11] = CAN_ERR_PROT_LOC_CRC_SEQ0x08;
1986 | break;
1987 | case BLF_CANERROREXT_ECC_MEANING_NACK_ERROR0x7:
1988 | err_ack = true1;
1989 | tmpbuf[11] = CAN_ERR_PROT_LOC_ACK0x19;
1990 | break;
1991 | case BLF_CANERROREXT_ECC_MEANING_OVERLOAD0x8:
1992 | err_prot = true1;
1993 | tmpbuf[10] = CAN_ERR_PROT_OVERLOAD0x20;
1994 | break;
1995 | default:
1996 | err_prot = true1;
1997 | tmpbuf[10] = CAN_ERR_PROT_UNSPEC0x00;
1998 | break;
1999 | }
2000 | err_ack = err_ack || (canheader.errorCodeExt & BLF_CANERROREXT_EXTECC_NOT_ACK0x2000) == 0x0;
2001 | if (err_ack) {
2002 | // Don't set protocol error on ack errors
2003 | err_prot = false0;
2004 | }
2005 | }
2006 |
2007 | // CanID contains error class in socketcan
2008 | canid = CAN_ERR_FLAG0x20000000;
2009 | canid |= err_prot ? CAN_ERR_PROT0x00000008U : 0;
2010 | canid |= err_ack ? CAN_ERR_ACK0x00000020U : 0;
2011 |
2012 | // Fixed packet data length for socketcan error messages
2013 | payload_length = CAN_ERR_DLC8;
2014 | canheader.dlc = payload_length;
2015 |
2016 | phtonu32(tmpbuf, canid);
2017 | tmpbuf[4] = payload_length;
2018 |
2019 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2020 |
2021 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, canheader.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf));
2022 | if (canheader.flags & BLF_CANERROREXT_FLAG_CANCORE0x02) {
2023 | direction_tx = (canheader.errorCodeExt & BLF_CANERROREXT_EXTECC_TX0x1000) == BLF_CANERROREXT_EXTECC_TX0x1000;
2024 | blf_add_direction_option(params, direction_tx ? BLF_DIR_TX1: BLF_DIR_RX0);
2025 | }
2026 | return true1;
2027 | }
2028 |
2029 | static bool_Bool
2030 | 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) {
2031 | blf_canfderror64_t canheader;
2032 |
2033 | bool_Bool err_ack = false0;
2034 | bool_Bool err_prot = false0;
2035 | bool_Bool direction_tx;
2036 | uint32_t canid;
2037 | uint8_t payload_length;
2038 | uint8_t tmpbuf[16] = {0};
2039 |
2040 | if (object_length < (data_start - block_start) + (int) sizeof(canheader)) {
2041 | *err = WTAP_ERR_BAD_FILE-13;
2042 | *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" );
2043 | ws_debug("not enough bytes for canfderror header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2043, __func__, "not enough bytes for canfderror header in object" ); } } while (0);
2044 | return false0;
2045 | }
2046 |
2047 | if (!blf_read_bytes(params, data_start, &canheader, sizeof(canheader), err, err_info)) {
2048 | ws_debug("not enough bytes for canfderror header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2048, __func__, "not enough bytes for canfderror header in file" ); } } while (0);
2049 | return false0;
2050 | }
2051 | fix_endianness_blf_canfderror64(&canheader);
2052 |
2053 | if (canheader.flags & BLF_CANERROREXT_FLAG_CANCORE0x02) {
2054 | // Map Vector Can Core error codes to compareable socketcan errors
2055 | switch ((canheader.errorCodeExt >> 6) & 0x3f) {
2056 | case BLF_CANERROREXT_ECC_MEANING_BIT_ERROR0x0:
2057 | err_prot = true1;
2058 | tmpbuf[10] = CAN_ERR_PROT_BIT0x01;
2059 | break;
2060 | case BLF_CANERROREXT_ECC_MEANING_FORM_ERROR0x1:
2061 | err_prot = true1;
2062 | tmpbuf[10] = CAN_ERR_PROT_FORM0x02;
2063 | break;
2064 | case BLF_CANERROREXT_ECC_MEANING_STUFF_ERROR0x2:
2065 | err_prot = true1;
2066 | tmpbuf[10] = CAN_ERR_PROT_STUFF0x04;
2067 | break;
2068 | case BLF_CANERROREXT_ECC_MEANING_CRC_ERROR0x4:
2069 | err_prot = true1;
2070 | tmpbuf[11] = CAN_ERR_PROT_LOC_CRC_SEQ0x08;
2071 | break;
2072 | case BLF_CANERROREXT_ECC_MEANING_NACK_ERROR0x7:
2073 | err_ack = true1;
2074 | tmpbuf[11] = CAN_ERR_PROT_LOC_ACK0x19;
2075 | break;
2076 | case BLF_CANERROREXT_ECC_MEANING_OVERLOAD0x8:
2077 | err_prot = true1;
2078 | tmpbuf[10] = CAN_ERR_PROT_OVERLOAD0x20;
2079 | break;
2080 | default:
2081 | err_prot = true1;
2082 | tmpbuf[10] = CAN_ERR_PROT_UNSPEC0x00;
2083 | break;
2084 | }
2085 | err_ack = err_ack || (canheader.errorCodeExt & BLF_CANERROREXT_EXTECC_NOT_ACK0x2000) == 0x0;
2086 | if (err_ack) {
2087 | // Don't set protocol error on ack errors
2088 | err_prot = false0;
2089 | }
2090 | }
2091 |
2092 | // CanID contains error class in socketcan
2093 | canid = CAN_ERR_FLAG0x20000000;
2094 | canid |= err_prot ? CAN_ERR_PROT0x00000008U : 0;
2095 | canid |= err_ack ? CAN_ERR_ACK0x00000020U : 0;
2096 |
2097 | // Fixed packet data length for socketcan error messages
2098 | payload_length = CAN_ERR_DLC8;
2099 | canheader.dlc = payload_length;
2100 |
2101 | phtonu32(tmpbuf, canid);
2102 | tmpbuf[4] = payload_length;
2103 | // Don't set FDF, ESI and BRS flags, since error messages are always encapsulated in Classic CAN frames
2104 |
2105 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2106 |
2107 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, canheader.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf));
2108 | if (canheader.flags & BLF_CANERROREXT_FLAG_CANCORE0x02) {
2109 | direction_tx = (canheader.errorCodeExt & BLF_CANERROREXT_EXTECC_TX0x1000) == BLF_CANERROREXT_EXTECC_TX0x1000;
2110 | blf_add_direction_option(params, direction_tx ? BLF_DIR_TX1: BLF_DIR_RX0);
2111 | }
2112 | return true1;
2113 | }
2114 |
2115 | static bool_Bool
2116 | 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) {
2117 | blf_canxlchannelframe_t canxlheader;
2118 |
2119 | if (object_length < (data_start - block_start) + (int)sizeof(canxlheader)) {
2120 | *err = WTAP_ERR_BAD_FILE-13;
2121 | *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" );
2122 | ws_debug("not enough bytes for canxlchannelframe header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2122, __func__, "not enough bytes for canxlchannelframe header in object" ); } } while (0);
2123 | return false0;
2124 | }
2125 |
2126 | if (!blf_read_bytes(params, data_start, &canxlheader, sizeof(canxlheader), err, err_info)) {
2127 | ws_debug("not enough bytes for canxlchannelframe header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2127, __func__, "not enough bytes for canxlchannelframe header in file" ); } } while (0);
2128 | return false0;
2129 | }
2130 | fix_endianness_blf_canxlchannelframe(&canxlheader);
2131 |
2132 | uint16_t payload_length = canxlheader.dataLength;
2133 | bool_Bool is_canxl = canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_XLF0x400000;
2134 |
2135 | if (is_canxl) {
2136 | uint16_t canid = canxlheader.frameIdentifier & CAN_SFF_MASK0x000007FF;
2137 |
2138 | uint8_t canxl_flags = 0;
2139 | if ((canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_XLF0x400000) == BLF_CANXLCHANNELFRAME_FLAG_XLF0x400000) {
2140 | canxl_flags |= CANXL_XLF0x80;
2141 | }
2142 |
2143 | if ((canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_SEC0x1000000) == BLF_CANXLCHANNELFRAME_FLAG_SEC0x1000000) {
2144 | canxl_flags |= CANXL_SEC0x01;
2145 | }
2146 |
2147 | if ((canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_RRS0x800000) == BLF_CANXLCHANNELFRAME_FLAG_RRS0x800000) {
2148 | canxl_flags |= CANXL_RRS0x02;
2149 | }
2150 |
2151 | uint8_t tmpbuf[12] = { 0 };
2152 | tmpbuf[1] = canxlheader.virtualControllerAreaNetChannelID;
2153 | phtonu16(tmpbuf + 2, canid);
2154 | tmpbuf[4] = canxl_flags;
2155 | tmpbuf[5] = canxlheader.serviceDataUnitType;
2156 | phtoleu16(tmpbuf + 6, payload_length);
2157 | phtoleu32(tmpbuf + 8, canxlheader.acceptanceField);
2158 |
2159 | ws_buffer_assure_space(&params->rec->data, sizeof(tmpbuf) + payload_length);
2160 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2161 |
2162 | if (payload_length > 0 && !blf_read_bytes(params, data_start + sizeof(blf_canxlchannelframe_t), ws_buffer_end_ptr(&params->rec->data), payload_length, err, err_info)) {
2163 | ws_error("copying canxl payload failed")ws_log_fatal_full("Wiretap", LOG_LEVEL_ERROR, "wiretap/blf.c" , 2163, __func__, "copying canxl payload failed");
2164 | return false0;
2165 | }
2166 | ws_buffer_increase_length(&params->rec->data, payload_length);
2167 |
2168 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_SOCKETCAN125, canxlheader.channel, UINT16_MAX(65535), sizeof(tmpbuf) + payload_length, sizeof(tmpbuf) + payload_length);
2169 | } else {
2170 | // Support for CAN or CAN-FD in CAN-XL Channel Frame format is experimental as of 2025!
2171 | // If you have samples traces, please create a ticket and attach them to it: https://gitlab.com/wireshark/wireshark/-/issues
2172 |
2173 | bool_Bool canfd = canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_FDF0x1000;
2174 | uint8_t canfd_flags = 0;
2175 |
2176 | if (canfd) {
2177 | if ((canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_BRS0x2000) == BLF_CANXLCHANNELFRAME_FLAG_BRS0x2000) {
2178 | canfd_flags |= CANFD_BRS0x01;
2179 | }
2180 | if ((canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_ESI0x4000) == BLF_CANXLCHANNELFRAME_FLAG_ESI0x4000) {
2181 | canfd_flags |= CANFD_ESI0x02;
2182 | }
2183 | if ((canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_FDF0x1000) == BLF_CANXLCHANNELFRAME_FLAG_FDF0x1000) {
2184 | canfd_flags |= CANFD_FDF0x04;
2185 | }
2186 | } else {
2187 | if (canxlheader.dlc > 8) {
2188 | ws_debug("Regular CAN should not have DLC > 8!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2188, __func__, "Regular CAN should not have DLC > 8!"); } } while (0);
2189 | }
2190 |
2191 | canfd_flags = 0;
2192 | }
2193 |
2194 | uint32_t canid = canxlheader.frameIdentifier;
2195 |
2196 | /* Unclear how to reconstruct the EFF Flag. Let's make sure, we set it if the ID is more than 11 bits */
2197 | if ((canid & CAN_EFF_MASK0x1FFFFFFF) > CAN_SFF_MASK0x000007FF) {
2198 | canid |= CAN_EFF_FLAG0x80000000;
2199 | }
2200 |
2201 | if (!canfd && (canxlheader.flags & BLF_CANXLCHANNELFRAME_FLAG_REMOTE_FRAME0x10) == BLF_CANXLCHANNELFRAME_FLAG_REMOTE_FRAME0x10) {
2202 | canid |= CAN_RTR_FLAG0x40000000;
2203 | payload_length = 0;
2204 | }
2205 |
2206 | 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)) {
2207 | return false0;
2208 | }
2209 | }
2210 |
2211 | blf_add_direction_option(params, canxlheader.dir ? BLF_DIR_TX1 : BLF_DIR_RX0);
2212 |
2213 | return true1;
2214 | }
2215 |
2216 | static bool_Bool
2217 | 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) {
2218 | blf_flexraydata_t frheader;
2219 |
2220 | uint8_t payload_length;
2221 | uint8_t payload_length_valid;
2222 | uint8_t tmpbuf[7];
2223 | unsigned caplen, len;
2224 |
2225 | if (object_length < (data_start - block_start) + (int) sizeof(frheader)) {
2226 | *err = WTAP_ERR_BAD_FILE-13;
2227 | *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" );
2228 | ws_debug("not enough bytes for flexrayheader in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2228, __func__, "not enough bytes for flexrayheader in object" ); } } while (0);
2229 | return false0;
2230 | }
2231 |
2232 | if (!blf_read_bytes(params, data_start, &frheader, sizeof(frheader), err, err_info)) {
2233 | ws_debug("not enough bytes for flexrayheader header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2233, __func__, "not enough bytes for flexrayheader header in file" ); } } while (0);
2234 | return false0;
2235 | }
2236 | fix_endianness_blf_flexraydata(&frheader);
2237 |
2238 | payload_length = frheader.len;
2239 | payload_length_valid = payload_length;
2240 |
2241 | if ((frheader.len & 0x01) == 0x01) {
2242 | ws_debug("reading odd length in FlexRay!?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2242, __func__, "reading odd length in FlexRay!?"); } } while (0);
2243 | }
2244 |
2245 | if (payload_length_valid > object_length - (data_start - block_start) - sizeof(frheader)) {
2246 | ws_debug("shortening FlexRay payload because buffer is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2246, __func__, "shortening FlexRay payload because buffer is too short!" ); } } while (0);
2247 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start) - sizeof(frheader));
2248 | }
2249 |
2250 | if (frheader.channel != 0 && frheader.channel != 1) {
2251 | ws_debug("FlexRay supports only two channels.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2251, __func__, "FlexRay supports only two channels."); } } while (0);
2252 | }
2253 |
2254 | /* Measurement Header */
2255 | if (frheader.channel == 0) {
2256 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01;
2257 | } else {
2258 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01 | BLF_FLEXRAYDATA_CHANNEL_B0x80;
2259 | }
2260 |
2261 | /* Error Flags */
2262 | tmpbuf[1] = 0;
2263 |
2264 | /* Frame Header */
2265 | tmpbuf[2] = 0x20 | ((0x0700 & frheader.messageId) >> 8);
2266 | tmpbuf[3] = 0x00ff & frheader.messageId;
2267 | tmpbuf[4] = (0xfe & frheader.len) | ((frheader.crc & 0x0400) >> 10);
2268 | tmpbuf[5] = (0x03fc & frheader.crc) >> 2;
2269 | tmpbuf[6] = ((0x0003 & frheader.crc) << 6) | (0x3f & frheader.mux);
2270 |
2271 | ws_buffer_assure_space(&params->rec->data, sizeof(tmpbuf) + payload_length_valid);
2272 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2273 | caplen = sizeof(tmpbuf) + payload_length_valid;
2274 | len = sizeof(tmpbuf) + payload_length;
2275 |
2276 | if (payload_length_valid > 0 && !blf_read_bytes(params, data_start + sizeof(frheader), ws_buffer_end_ptr(&params->rec->data), payload_length_valid, err, err_info)) {
2277 | ws_debug("copying flexray payload failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2277, __func__, "copying flexray payload failed"); } } while (0);
2278 | return false0;
2279 | }
2280 | ws_buffer_increase_length(&params->rec->data, payload_length_valid);
2281 |
2282 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_FLEXRAY106, frheader.channel, UINT16_MAX(65535), caplen, len);
2283 | blf_add_direction_option(params, frheader.dir);
2284 |
2285 | return true1;
2286 | }
2287 |
2288 | static bool_Bool
2289 | 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) {
2290 | blf_flexraymessage_t frheader;
2291 |
2292 | uint8_t payload_length;
2293 | uint8_t payload_length_valid;
2294 | uint8_t tmpbuf[7];
2295 | unsigned caplen, len;
2296 |
2297 | if (object_length < (data_start - block_start) + (int) sizeof(frheader)) {
2298 | *err = WTAP_ERR_BAD_FILE-13;
2299 | *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" );
2300 | ws_debug("not enough bytes for flexrayheader in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2300, __func__, "not enough bytes for flexrayheader in object" ); } } while (0);
2301 | return false0;
2302 | }
2303 |
2304 | if (!blf_read_bytes(params, data_start, &frheader, sizeof(frheader), err, err_info)) {
2305 | ws_debug("not enough bytes for flexrayheader header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2305, __func__, "not enough bytes for flexrayheader header in file" ); } } while (0);
2306 | return false0;
2307 | }
2308 | fix_endianness_blf_flexraymessage(&frheader);
2309 |
2310 | payload_length = frheader.length;
2311 | payload_length_valid = payload_length;
2312 |
2313 | if ((frheader.length & 0x01) == 0x01) {
2314 | ws_debug("reading odd length in FlexRay!?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2314, __func__, "reading odd length in FlexRay!?"); } } while (0);
2315 | }
2316 |
2317 | if (payload_length_valid > object_length - (data_start - block_start) - sizeof(frheader)) {
2318 | ws_debug("shortening FlexRay payload because buffer is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2318, __func__, "shortening FlexRay payload because buffer is too short!" ); } } while (0);
2319 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start) - sizeof(frheader));
2320 | }
2321 |
2322 | if (frheader.channel != 0 && frheader.channel != 1) {
2323 | ws_debug("FlexRay supports only two channels.")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2323, __func__, "FlexRay supports only two channels."); } } while (0);
2324 | }
2325 |
2326 | /* Measurement Header */
2327 | if (frheader.channel == 0) {
2328 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01;
2329 | } else {
2330 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01 | BLF_FLEXRAYDATA_CHANNEL_B0x80;
2331 | }
2332 |
2333 | /* Error Flags */
2334 | tmpbuf[1] = 0;
2335 |
2336 | /* Frame Header */
2337 | tmpbuf[2] = ((0x0700 & frheader.frameId) >> 8);
2338 | if ((frheader.frameState & BLF_FLEXRAYMESSAGE_STATE_PPI0x01) == BLF_FLEXRAYMESSAGE_STATE_PPI0x01) {
2339 | tmpbuf[2] |= BLF_DLT_FLEXRAY_PPI0x40;
2340 | }
2341 |
2342 | if ((frheader.frameState & BLF_FLEXRAYMESSAGE_STATE_SFI0x02) == BLF_FLEXRAYMESSAGE_STATE_SFI0x02) {
2343 | tmpbuf[2] |= BLF_DLT_FLEXRAY_SFI0x10;
2344 | }
2345 |
2346 | if ((frheader.frameState & BLF_FLEXRAYMESSAGE_STATE_NFI0x08) != BLF_FLEXRAYMESSAGE_STATE_NFI0x08) {
2347 | /* NFI needs to be inversed !? */
2348 | tmpbuf[2] |= BLF_DLT_FLEXRAY_NFI0x20;
2349 | }
2350 |
2351 | if ((frheader.frameState & BLF_FLEXRAYMESSAGE_STATE_STFI0x10) == BLF_FLEXRAYMESSAGE_STATE_STFI0x10) {
2352 | tmpbuf[2] |= BLF_DLT_FLEXRAY_STFI0x08;
2353 | }
2354 |
2355 | tmpbuf[3] = 0x00ff & frheader.frameId;
2356 | tmpbuf[4] = (0xfe & frheader.length) | ((frheader.headerCrc & 0x0400) >> 10);
2357 | tmpbuf[5] = (0x03fc & frheader.headerCrc) >> 2;
2358 | tmpbuf[6] = ((0x0003 & frheader.headerCrc) << 6) | (0x3f & frheader.cycle);
2359 |
2360 | ws_buffer_assure_space(&params->rec->data, sizeof(tmpbuf) + payload_length_valid);
2361 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2362 | caplen = sizeof(tmpbuf) + payload_length_valid;
2363 | len = sizeof(tmpbuf) + payload_length;
2364 |
2365 | if (payload_length_valid > 0 && !blf_read_bytes(params, data_start + sizeof(frheader), ws_buffer_end_ptr(&params->rec->data), payload_length_valid, err, err_info)) {
2366 | ws_debug("copying flexray payload failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2366, __func__, "copying flexray payload failed"); } } while (0);
2367 | return false0;
2368 | }
2369 | ws_buffer_increase_length(&params->rec->data, payload_length_valid);
2370 |
2371 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_FLEXRAY106, frheader.channel, UINT16_MAX(65535), caplen, len);
2372 | blf_add_direction_option(params, frheader.dir);
2373 |
2374 | return true1;
2375 | }
2376 |
2377 | static bool_Bool
2378 | 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) {
2379 | blf_flexrayrcvmessage_t frheader;
2380 |
2381 | uint16_t payload_length;
2382 | uint16_t payload_length_valid;
2383 | uint8_t tmpbuf[7];
2384 | int frheadersize = sizeof(frheader);
2385 | unsigned caplen, len;
2386 |
2387 | if (ext) {
2388 | frheadersize += 40;
2389 | }
2390 |
2391 | if ((int64_t)object_length < (data_start - block_start) + frheadersize) {
2392 | *err = WTAP_ERR_BAD_FILE-13;
2393 | *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")
2394 | 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");
2395 | ws_debug("not enough bytes for flexrayheader in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2395, __func__, "not enough bytes for flexrayheader in object" ); } } while (0);
2396 | return false0;
2397 | }
2398 |
2399 | if (!blf_read_bytes(params, data_start, &frheader, sizeof(frheader), err, err_info)) {
2400 | ws_debug("not enough bytes for flexrayheader header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2400, __func__, "not enough bytes for flexrayheader header in file" ); } } while (0);
2401 | return false0;
2402 | }
2403 | fix_endianness_blf_flexrayrcvmessage(&frheader);
2404 |
2405 | if (!ext) {
2406 | frheader.dir &= 0xff;
2407 | frheader.cycle &= 0xff;
2408 | }
2409 |
2410 | payload_length = frheader.payloadLength;
2411 | payload_length_valid = frheader.payloadLengthValid;
2412 |
2413 | if ((frheader.payloadLength & 0x01) == 0x01) {
2414 | ws_debug("reading odd length in FlexRay!?")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2414, __func__, "reading odd length in FlexRay!?"); } } while (0);
2415 | }
2416 |
2417 | if (payload_length_valid > object_length - (data_start - block_start) - frheadersize) {
2418 | ws_debug("shortening FlexRay payload because buffer is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2418, __func__, "shortening FlexRay payload because buffer is too short!" ); } } while (0);
2419 | payload_length_valid = (uint8_t)(object_length - (data_start - block_start) - frheadersize);
2420 | }
2421 |
2422 | /* Measurement Header */
2423 | /* TODO: It seems that this format support both channels at the same time!? */
2424 | if (frheader.channelMask == BLF_FLEXRAYRCVMSG_CHANNELMASK_A0x01) {
2425 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01;
2426 | } else {
2427 | tmpbuf[0] = BLF_FLEXRAYDATA_FRAME0x01 | BLF_FLEXRAYDATA_CHANNEL_B0x80;
2428 | }
2429 |
2430 | /* Error Flags */
2431 | tmpbuf[1] = 0;
2432 |
2433 | /* Frame Header */
2434 | tmpbuf[2] = ((0x0700 & frheader.frameId) >> 8);
2435 | if ((frheader.frameFlags & BLF_FLEXRAYRCVMSG_FRAME_FLAG_PAYLOAD_PREAM0x00000010) == BLF_FLEXRAYRCVMSG_FRAME_FLAG_PAYLOAD_PREAM0x00000010) {
2436 | tmpbuf[2] |= BLF_DLT_FLEXRAY_PPI0x40;
2437 | }
2438 |
2439 | if ((frheader.frameFlags & BLF_FLEXRAYRCVMSG_FRAME_FLAG_SYNC0x00000004) == BLF_FLEXRAYRCVMSG_FRAME_FLAG_SYNC0x00000004) {
2440 | tmpbuf[2] |= BLF_DLT_FLEXRAY_SFI0x10;
2441 | }
2442 |
2443 | if ((frheader.frameFlags & BLF_FLEXRAYRCVMSG_FRAME_FLAG_NULL_FRAME0x00000001) != BLF_FLEXRAYRCVMSG_FRAME_FLAG_NULL_FRAME0x00000001) {
2444 | /* NFI needs to be inversed !? */
2445 | tmpbuf[2] |= BLF_DLT_FLEXRAY_NFI0x20;
2446 | }
2447 |
2448 | if ((frheader.frameFlags & BLF_FLEXRAYRCVMSG_FRAME_FLAG_STARTUP0x00000008) == BLF_FLEXRAYRCVMSG_FRAME_FLAG_STARTUP0x00000008) {
2449 | tmpbuf[2] |= BLF_DLT_FLEXRAY_STFI0x08;
2450 | }
2451 |
2452 | tmpbuf[3] = 0x00ff & frheader.frameId;
2453 | tmpbuf[4] = (0xfe & frheader.payloadLength) | ((frheader.headerCrc1 & 0x0400) >> 10);
2454 | tmpbuf[5] = (0x03fc & frheader.headerCrc1) >> 2;
2455 | tmpbuf[6] = ((0x0003 & frheader.headerCrc1) << 6) | (0x3f & frheader.cycle);
2456 |
2457 | ws_buffer_assure_space(&params->rec->data, sizeof(tmpbuf) + payload_length_valid);
2458 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2459 | caplen = sizeof(tmpbuf) + payload_length_valid;
2460 | len = sizeof(tmpbuf) + payload_length;
2461 |
2462 | if (payload_length_valid > 0 && !blf_read_bytes(params, data_start + frheadersize, ws_buffer_end_ptr(&params->rec->data), payload_length_valid, err, err_info)) {
2463 | ws_debug("copying flexray payload failed")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2463, __func__, "copying flexray payload failed"); } } while (0);
2464 | return false0;
2465 | }
2466 | ws_buffer_increase_length(&params->rec->data, payload_length_valid);
2467 |
2468 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_FLEXRAY106, frheader.channelMask, UINT16_MAX(65535), caplen, len);
2469 | blf_add_direction_option(params, frheader.dir);
2470 |
2471 | return true1;
2472 | }
2473 |
2474 | static bool_Bool
2475 | 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) {
2476 | blf_linmessage_t linmessage;
2477 |
2478 | uint8_t payload_length;
2479 | unsigned len;
2480 |
2481 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) {
2482 | *err = WTAP_ERR_BAD_FILE-13;
2483 | *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");
2484 | 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" , 2484, __func__, "not enough bytes for %s in object", crc_error ? "lincrcerror" : "linmessage"); } } while (0);
2485 | return false0;
2486 | }
2487 |
2488 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) {
2489 | 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" , 2489, __func__, "not enough bytes for %s in file", crc_error ? "lincrcerror" : "linmessage"); } } while (0);
2490 | return false0;
2491 | }
2492 | fix_endianness_blf_linmessage(&linmessage);
2493 |
2494 | linmessage.dlc &= 0x0f;
2495 | linmessage.id &= 0x3f;
2496 |
2497 | payload_length = MIN(linmessage.dlc, 8)(((linmessage.dlc) < (8)) ? (linmessage.dlc) : (8));
2498 |
2499 | uint8_t tmpbuf[8];
2500 | tmpbuf[0] = 1; /* message format rev = 1 */
2501 | tmpbuf[1] = 0; /* reserved */
2502 | tmpbuf[2] = 0; /* reserved */
2503 | tmpbuf[3] = 0; /* reserved */
2504 | tmpbuf[4] = linmessage.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */
2505 | tmpbuf[5] = linmessage.id; /* parity (2bit) | id (6bit) */
2506 | tmpbuf[6] = (uint8_t)(linmessage.crc & 0xff); /* checksum */
2507 | tmpbuf[7] = 0; /* errors */
2508 |
2509 | if (crc_error) {
2510 | tmpbuf[7] |= 0x08;
2511 | }
2512 |
2513 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2514 | ws_buffer_append(&params->rec->data, linmessage.data, payload_length);
2515 | len = sizeof(tmpbuf) + payload_length;
2516 |
2517 | /* make sure that the payload is 4 or 8 bytes long */
2518 | const uint8_t padding[4] = { 0, 0, 0, 0 };
2519 | if (payload_length < 4) {
2520 | ws_buffer_append(&params->rec->data, padding, 4 - payload_length);
2521 | len += 4 - payload_length;
2522 | } else if (payload_length > 4 && payload_length < 8) {
2523 | ws_buffer_append(&params->rec->data, padding, 8 - payload_length);
2524 | len += 8 - payload_length;
2525 | }
2526 |
2527 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.channel, UINT16_MAX(65535), len, len);
2528 | blf_add_direction_option(params, linmessage.dir);
2529 |
2530 | return true1;
2531 | }
2532 |
2533 | static bool_Bool
2534 | 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) {
2535 | blf_linrcverror_t linmessage;
2536 |
2537 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) {
2538 | *err = WTAP_ERR_BAD_FILE-13;
2539 | *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" );
2540 | ws_debug("not enough bytes for linrcverror in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2540, __func__, "not enough bytes for linrcverror in object" ); } } while (0);
2541 | return false0;
2542 | }
2543 |
2544 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) {
2545 | ws_debug("not enough bytes for linrcverror in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2545, __func__, "not enough bytes for linrcverror in file") ; } } while (0);
2546 | return false0;
2547 | }
2548 | linmessage.channel = GUINT16_FROM_LE(linmessage.channel)(((guint16) (linmessage.channel)));
2549 |
2550 | linmessage.dlc &= 0x0f;
2551 | linmessage.id &= 0x3f;
2552 |
2553 | uint8_t tmpbuf[12];
2554 | tmpbuf[0] = 1; /* message format rev = 1 */
2555 | tmpbuf[1] = 0; /* reserved */
2556 | tmpbuf[2] = 0; /* reserved */
2557 | tmpbuf[3] = 0; /* reserved */
2558 | tmpbuf[4] = linmessage.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */
2559 | tmpbuf[5] = linmessage.id; /* parity (2bit) | id (6bit) */
2560 | tmpbuf[6] = 0; /* checksum */
2561 | /* XXX - This object can represent many different error types.
2562 | * For now we always treat it as framing error,
2563 | * but in the future we should expand it. */
2564 | tmpbuf[7] = LIN_ERROR_FRAMING_ERROR0x02; /* errors */
2565 | tmpbuf[8] = 0;
2566 | tmpbuf[9] = 0;
2567 | tmpbuf[10] = 0;
2568 | tmpbuf[11] = 0;
2569 |
2570 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2571 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf));
2572 |
2573 | return true1;
2574 | }
2575 |
2576 | static bool_Bool
2577 | 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) {
2578 | blf_linsenderror_t linmessage;
2579 |
2580 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) {
2581 | *err = WTAP_ERR_BAD_FILE-13;
2582 | *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" );
2583 | ws_debug("not enough bytes for linsenderror in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2583, __func__, "not enough bytes for linsenderror in object" ); } } while (0);
2584 | return false0;
2585 | }
2586 |
2587 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) {
2588 | ws_debug("not enough bytes for linsenderror in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2588, __func__, "not enough bytes for linsenderror in file" ); } } while (0);
2589 | return false0;
2590 | }
2591 | linmessage.channel = GUINT16_FROM_LE(linmessage.channel)(((guint16) (linmessage.channel)));
2592 |
2593 | linmessage.dlc &= 0x0f;
2594 | linmessage.id &= 0x3f;
2595 |
2596 | uint8_t tmpbuf[12];
2597 | tmpbuf[0] = 1; /* message format rev = 1 */
2598 | tmpbuf[1] = 0; /* reserved */
2599 | tmpbuf[2] = 0; /* reserved */
2600 | tmpbuf[3] = 0; /* reserved */
2601 | tmpbuf[4] = linmessage.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */
2602 | tmpbuf[5] = linmessage.id; /* parity (2bit) | id (6bit) */
2603 | tmpbuf[6] = 0; /* checksum */
2604 | tmpbuf[7] = LIN_ERROR_NO_SLAVE_RESPONSE0x01; /* errors */
2605 | tmpbuf[8] = 0;
2606 | tmpbuf[9] = 0;
2607 | tmpbuf[10] = 0;
2608 | tmpbuf[11] = 0;
2609 |
2610 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2611 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf));
2612 |
2613 | return true1;
2614 | }
2615 |
2616 | static bool_Bool
2617 | 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) {
2618 | blf_linwakeupevent_t linevent;
2619 |
2620 | if (object_length < (data_start - block_start) + (int)sizeof(linevent)) {
2621 | *err = WTAP_ERR_BAD_FILE-13;
2622 | *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" );
2623 | ws_debug("not enough bytes for linwakeup in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2623, __func__, "not enough bytes for linwakeup in object") ; } } while (0);
2624 | return false0;
2625 | }
2626 |
2627 | if (!blf_read_bytes(params, data_start, &linevent, sizeof(linevent), err, err_info)) {
2628 | ws_debug("not enough bytes for linwakeup in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2628, __func__, "not enough bytes for linwakeup in file"); } } while (0);
2629 | return false0;
2630 | }
2631 | linevent.channel = GUINT16_FROM_LE(linevent.channel)(((guint16) (linevent.channel)));
2632 |
2633 | uint8_t tmpbuf[12]; /* LIN events have a fixed length of 12 bytes */
2634 | tmpbuf[0] = 1; /* message format rev = 1 */
2635 | tmpbuf[1] = 0; /* reserved */
2636 | tmpbuf[2] = 0; /* reserved */
2637 | tmpbuf[3] = 0; /* reserved */
2638 | tmpbuf[4] = 3 << 2; /* dlc (4bit) | type (2bit) | checksum type (2bit) */
2639 | tmpbuf[5] = 0; /* parity (2bit) | id (6bit) */
2640 | tmpbuf[6] = 0; /* checksum */
2641 | tmpbuf[7] = 0; /* errors */
2642 |
2643 | /* Wake-up event */
2644 | tmpbuf[8] = 0xB0;
2645 | tmpbuf[9] = 0xB0;
2646 | tmpbuf[10] = 0x00;
2647 | tmpbuf[11] = 0x04;
2648 |
2649 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2650 |
2651 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linevent.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf));
2652 |
2653 | return true1;
2654 | }
2655 |
2656 | static bool_Bool
2657 | 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) {
2658 | blf_linmessage2_t linmessage;
2659 |
2660 | uint8_t payload_length;
2661 | unsigned len;
2662 |
2663 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) {
2664 | *err = WTAP_ERR_BAD_FILE-13;
2665 | *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" );
2666 | ws_debug("not enough bytes for linmessage2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2666, __func__, "not enough bytes for linmessage2 in object" ); } } while (0);
2667 | return false0;
2668 | }
2669 |
2670 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) {
2671 | ws_debug("not enough bytes for linmessage2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2671, __func__, "not enough bytes for linmessage2 in file") ; } } while (0);
2672 | return false0;
2673 | }
2674 | fix_endianness_blf_linmessage2(&linmessage);
2675 |
2676 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc &= 0x0f;
2677 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.id &= 0x3f;
2678 |
2679 | payload_length = MIN(linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc, 8)(((linmessage.linDataByteTimestampEvent.linMessageDescriptor. dlc) < (8)) ? (linmessage.linDataByteTimestampEvent.linMessageDescriptor .dlc) : (8));
2680 |
2681 | uint8_t tmpbuf[8];
2682 | tmpbuf[0] = 1; /* message format rev = 1 */
2683 | tmpbuf[1] = 0; /* reserved */
2684 | tmpbuf[2] = 0; /* reserved */
2685 | tmpbuf[3] = 0; /* reserved */
2686 | tmpbuf[4] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */
2687 | if (object_version >= 1) { /* The 'checksumModel' field is valid only if objectVersion >= 1 */
2688 | switch (linmessage.linDataByteTimestampEvent.linMessageDescriptor.checksumModel) {
2689 | case 0:
2690 | tmpbuf[4] |= 1; /* Classic */
2691 | break;
2692 | case 1:
2693 | tmpbuf[4] |= 2; /* Enhanced */
2694 | break;
2695 | default:
2696 | break;
2697 | }
2698 | }
2699 | tmpbuf[5] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.id; /* parity (2bit) | id (6bit) */
2700 | tmpbuf[6] = (uint8_t)(linmessage.crc & 0xff); /* checksum */
2701 | tmpbuf[7] = 0; /* errors */
2702 |
2703 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2704 | ws_buffer_append(&params->rec->data, linmessage.data, payload_length);
2705 | len = sizeof(tmpbuf) + payload_length;
2706 |
2707 | /* make sure that the payload is 4 or 8 bytes long */
2708 | const uint8_t padding[4] = { 0, 0, 0, 0 };
2709 | if (payload_length < 4) {
2710 | ws_buffer_append(&params->rec->data, padding, 4 - payload_length);
2711 | len += 4 - payload_length;
2712 | } else if (payload_length > 4 && payload_length < 8) {
2713 | ws_buffer_append(&params->rec->data, padding, 8 - payload_length);
2714 | len += 8 - payload_length;
2715 | }
2716 |
2717 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.linDataByteTimestampEvent.linMessageDescriptor.linSynchFieldEvent.linBusEvent.channel, UINT16_MAX(65535), len, len);
2718 | blf_add_direction_option(params, linmessage.dir);
2719 |
2720 | return true1;
2721 | }
2722 |
2723 | static bool_Bool
2724 | 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) {
2725 | blf_lincrcerror2_t linmessage;
2726 |
2727 | uint8_t payload_length;
2728 | unsigned len;
2729 |
2730 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) {
2731 | *err = WTAP_ERR_BAD_FILE-13;
2732 | *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" );
2733 | ws_debug("not enough bytes for lincrcerror2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2733, __func__, "not enough bytes for lincrcerror2 in object" ); } } while (0);
2734 | return false0;
2735 | }
2736 |
2737 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) {
2738 | ws_debug("not enough bytes for lincrcerror2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2738, __func__, "not enough bytes for lincrcerror2 in file" ); } } while (0);
2739 | return false0;
2740 | }
2741 | fix_endianness_blf_lincrcerror2(&linmessage);
2742 |
2743 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc &= 0x0f;
2744 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.id &= 0x3f;
2745 |
2746 | payload_length = MIN(linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc, 8)(((linmessage.linDataByteTimestampEvent.linMessageDescriptor. dlc) < (8)) ? (linmessage.linDataByteTimestampEvent.linMessageDescriptor .dlc) : (8));
2747 |
2748 | uint8_t tmpbuf[12];
2749 | tmpbuf[0] = 1; /* message format rev = 1 */
2750 | tmpbuf[1] = 0; /* reserved */
2751 | tmpbuf[2] = 0; /* reserved */
2752 | tmpbuf[3] = 0; /* reserved */
2753 | tmpbuf[4] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */
2754 | if (object_version >= 1) { /* The 'checksumModel' field is valid only if objectVersion >= 1 */
2755 | switch (linmessage.linDataByteTimestampEvent.linMessageDescriptor.checksumModel) {
2756 | case 0:
2757 | tmpbuf[4] |= 1; /* Classic */
2758 | break;
2759 | case 1:
2760 | tmpbuf[4] |= 2; /* Enhanced */
2761 | break;
2762 | default:
2763 | break;
2764 | }
2765 | }
2766 | tmpbuf[5] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.id; /* parity (2bit) | id (6bit) */
2767 | tmpbuf[6] = (uint8_t)(linmessage.crc & 0xff); /* checksum */
2768 | tmpbuf[7] = LIN_ERROR_CHECKSUM_ERROR0x08; /* errors */
2769 | tmpbuf[8] = 0;
2770 | tmpbuf[9] = 0;
2771 | tmpbuf[10] = 0;
2772 | tmpbuf[11] = 0;
2773 |
2774 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2775 | ws_buffer_append(&params->rec->data, linmessage.data, payload_length);
2776 | len = sizeof(tmpbuf) + payload_length;
2777 |
2778 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.linDataByteTimestampEvent.linMessageDescriptor.linSynchFieldEvent.linBusEvent.channel, UINT16_MAX(65535), len, len);
2779 | blf_add_direction_option(params, linmessage.dir);
2780 |
2781 | return true1;
2782 | }
2783 |
2784 | static bool_Bool
2785 | 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) {
2786 | blf_linrcverror2_t linmessage;
2787 |
2788 | uint8_t payload_length;
2789 | unsigned len;
2790 |
2791 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) {
2792 | *err = WTAP_ERR_BAD_FILE-13;
2793 | *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" );
2794 | ws_debug("not enough bytes for linrcverror2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2794, __func__, "not enough bytes for linrcverror2 in object" ); } } while (0);
2795 | return false0;
2796 | }
2797 |
2798 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) {
2799 | ws_debug("not enough bytes for linrcverror2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2799, __func__, "not enough bytes for linrcverror2 in file" ); } } while (0);
2800 | return false0;
2801 | }
2802 | fix_endianness_blf_linrcverror2(&linmessage);
2803 |
2804 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc &= 0x0f;
2805 | linmessage.linDataByteTimestampEvent.linMessageDescriptor.id &= 0x3f;
2806 |
2807 | if (linmessage.hasDataBytes) {
2808 | payload_length = MIN(linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc, 8)(((linmessage.linDataByteTimestampEvent.linMessageDescriptor. dlc) < (8)) ? (linmessage.linDataByteTimestampEvent.linMessageDescriptor .dlc) : (8));
2809 | } else {
2810 | payload_length = 0;
2811 | }
2812 |
2813 | uint8_t tmpbuf[12];
2814 | tmpbuf[0] = 1; /* message format rev = 1 */
2815 | tmpbuf[1] = 0; /* reserved */
2816 | tmpbuf[2] = 0; /* reserved */
2817 | tmpbuf[3] = 0; /* reserved */
2818 | tmpbuf[4] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */
2819 | if (object_version >= 1) { /* The 'checksumModel' field is valid only if objectVersion >= 1 */
2820 | switch (linmessage.linDataByteTimestampEvent.linMessageDescriptor.checksumModel) {
2821 | case 0:
2822 | tmpbuf[4] |= 1; /* Classic */
2823 | break;
2824 | case 1:
2825 | tmpbuf[4] |= 2; /* Enhanced */
2826 | break;
2827 | default:
2828 | break;
2829 | }
2830 | }
2831 | tmpbuf[5] = linmessage.linDataByteTimestampEvent.linMessageDescriptor.id; /* parity (2bit) | id (6bit) */
2832 | tmpbuf[6] = 0; /* checksum */
2833 | /* XXX - This object can represent many different error types.
2834 | * For now we always treat it as framing error,
2835 | * but in the future we should expand it. */
2836 | tmpbuf[7] = LIN_ERROR_FRAMING_ERROR0x02; /* errors */
2837 | tmpbuf[8] = 0;
2838 | tmpbuf[9] = 0;
2839 | tmpbuf[10] = 0;
2840 | tmpbuf[11] = 0;
2841 |
2842 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2843 | if (payload_length > 0) {
2844 | ws_buffer_append(&params->rec->data, linmessage.data, payload_length);
2845 | }
2846 | len = sizeof(tmpbuf) + payload_length;
2847 |
2848 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.linDataByteTimestampEvent.linMessageDescriptor.linSynchFieldEvent.linBusEvent.channel, UINT16_MAX(65535), len, len);
2849 |
2850 | return true1;
2851 | }
2852 |
2853 | static bool_Bool
2854 | 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) {
2855 | blf_linsenderror2_t linmessage;
2856 |
2857 | if (object_length < (data_start - block_start) + (int)sizeof(linmessage)) {
2858 | *err = WTAP_ERR_BAD_FILE-13;
2859 | *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" );
2860 | ws_debug("not enough bytes for linsenderror2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2860, __func__, "not enough bytes for linsenderror2 in object" ); } } while (0);
2861 | return false0;
2862 | }
2863 |
2864 | if (!blf_read_bytes(params, data_start, &linmessage, sizeof(linmessage), err, err_info)) {
2865 | ws_debug("not enough bytes for linsenderror2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2865, __func__, "not enough bytes for linsenderror2 in file" ); } } while (0);
2866 | return false0;
2867 | }
2868 | fix_endianness_blf_linsenderror2(&linmessage);
2869 |
2870 | linmessage.linMessageDescriptor.dlc &= 0x0f;
2871 | linmessage.linMessageDescriptor.id &= 0x3f;
2872 |
2873 | uint8_t tmpbuf[12];
2874 | tmpbuf[0] = 1; /* message format rev = 1 */
2875 | tmpbuf[1] = 0; /* reserved */
2876 | tmpbuf[2] = 0; /* reserved */
2877 | tmpbuf[3] = 0; /* reserved */
2878 | tmpbuf[4] = linmessage.linMessageDescriptor.dlc << 4; /* dlc (4bit) | type (2bit) | checksum type (2bit) */
2879 | if (object_version >= 1) { /* The 'checksumModel' field is valid only if objectVersion >= 1 */
2880 | switch (linmessage.linMessageDescriptor.checksumModel) {
2881 | case 0:
2882 | tmpbuf[4] |= 1; /* Classic */
2883 | break;
2884 | case 1:
2885 | tmpbuf[4] |= 2; /* Enhanced */
2886 | break;
2887 | default:
2888 | break;
2889 | }
2890 | }
2891 | tmpbuf[5] = linmessage.linMessageDescriptor.id; /* parity (2bit) | id (6bit) */
2892 | tmpbuf[6] = 0; /* checksum */
2893 | tmpbuf[7] = LIN_ERROR_NO_SLAVE_RESPONSE0x01; /* errors */
2894 | tmpbuf[8] = 0;
2895 | tmpbuf[9] = 0;
2896 | tmpbuf[10] = 0;
2897 | tmpbuf[11] = 0;
2898 |
2899 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2900 |
2901 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linmessage.linMessageDescriptor.linSynchFieldEvent.linBusEvent.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf));
2902 |
2903 | return true1;
2904 | }
2905 |
2906 | static bool_Bool
2907 | 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) {
2908 | blf_linwakeupevent2_t linevent;
2909 |
2910 | if (object_length < (data_start - block_start) + (int)sizeof(linevent)) {
2911 | *err = WTAP_ERR_BAD_FILE-13;
2912 | *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" );
2913 | ws_debug("not enough bytes for linwakeup2 in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2913, __func__, "not enough bytes for linwakeup2 in object" ); } } while (0);
2914 | return false0;
2915 | }
2916 |
2917 | if (!blf_read_bytes(params, data_start, &linevent, sizeof(linevent), err, err_info)) {
2918 | ws_debug("not enough bytes for linwakeup2 in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2918, __func__, "not enough bytes for linwakeup2 in file"); } } while (0);
2919 | return false0;
2920 | }
2921 | fix_endianness_blf_linwakeupevent2(&linevent);
2922 |
2923 | uint8_t tmpbuf[12]; /* LIN events have a fixed length of 12 bytes */
2924 | tmpbuf[0] = 1; /* message format rev = 1 */
2925 | tmpbuf[1] = 0; /* reserved */
2926 | tmpbuf[2] = 0; /* reserved */
2927 | tmpbuf[3] = 0; /* reserved */
2928 | tmpbuf[4] = 3 << 2; /* dlc (4bit) | type (2bit) | checksum type (2bit) */
2929 | tmpbuf[5] = 0; /* parity (2bit) | id (6bit) */
2930 | tmpbuf[6] = 0; /* checksum */
2931 | tmpbuf[7] = 0; /* errors */
2932 |
2933 | /* Wake-up event */
2934 | tmpbuf[8] = 0xB0;
2935 | tmpbuf[9] = 0xB0;
2936 | tmpbuf[10] = 0x00;
2937 | tmpbuf[11] = 0x04;
2938 |
2939 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
2940 |
2941 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linevent.linBusEvent.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf));
2942 |
2943 | return true1;
2944 | }
2945 |
2946 | static bool_Bool
2947 | 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) {
2948 | blf_linsleepmodeevent_t linevent;
2949 |
2950 | if (object_length < (data_start - block_start) + (int)sizeof(linevent)) {
2951 | *err = WTAP_ERR_BAD_FILE-13;
2952 | *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" );
2953 | ws_debug("not enough bytes for linsleep in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2953, __func__, "not enough bytes for linsleep in object"); } } while (0);
2954 | return false0;
2955 | }
2956 |
2957 | if (!blf_read_bytes(params, data_start, &linevent, sizeof(linevent), err, err_info)) {
2958 | ws_debug("not enough bytes for linsleep in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 2958, __func__, "not enough bytes for linsleep in file"); } } while (0);
2959 | return false0;
2960 | }
2961 | linevent.channel = GUINT16_FROM_LE(linevent.channel)(((guint16) (linevent.channel)));
2962 |
2963 | uint8_t tmpbuf[12]; /* LIN events have a fixed length of 12 bytes */
2964 | tmpbuf[0] = 1; /* message format rev = 1 */
2965 | tmpbuf[1] = 0; /* reserved */
2966 | tmpbuf[2] = 0; /* reserved */
2967 | tmpbuf[3] = 0; /* reserved */
2968 | tmpbuf[4] = 3 << 2; /* dlc (4bit) | type (2bit) | checksum type (2bit) */
2969 | tmpbuf[5] = 0; /* parity (2bit) | id (6bit) */
2970 | tmpbuf[6] = 0; /* checksum */
2971 | tmpbuf[7] = 0; /* errors */
2972 |
2973 | switch (linevent.reason) {
2974 | case BLF_LIN_SLEEP_REASON_GO_TO_SLEEP_FRAME1:
2975 | /* Go-to-Sleep event by Go-to-Sleep frame */
2976 | tmpbuf[8] = 0xB0;
2977 | tmpbuf[9] = 0xB0;
2978 | tmpbuf[10] = 0x00;
2979 | tmpbuf[11] = 0x01;
2980 | break;
2981 | case BLF_LIN_SLEEP_REASON_BUS_IDLE_TIMEOUT2:
2982 | case BLF_LIN_SLEEP_REASON_SILENT_SLEEPMODE_CMD3:
2983 | /* Go-to-Sleep event by Inactivity for more than 4s */
2984 | tmpbuf[8] = 0xB0;
2985 | tmpbuf[9] = 0xB0;
2986 | tmpbuf[10] = 0x00;
2987 | tmpbuf[11] = 0x02;
2988 | break;
2989 | case BLF_LIN_WU_REASON_EXTERNAL_WAKEUP_SIG9:
2990 | case BLF_LIN_WU_REASON_INTERNAL_WAKEUP_SIG10:
2991 | case BLF_LIN_WU_REASON_BUS_TRAFFIC11: /* There's no "wake-up by bus traffic" event in the LIN packet. */
2992 | /* Wake-up event by Wake-up signal */
2993 | tmpbuf[8] = 0xB0;
2994 | tmpbuf[9] = 0xB0;
2995 | tmpbuf[10] = 0x00;
2996 | tmpbuf[11] = 0x04;
2997 | break;
2998 | case BLF_LIN_WU_SLEEP_REASON_START_STATE0:
2999 | case BLF_LIN_NO_SLEEP_REASON_BUS_TRAFFIC18:
3000 | /* If we're just reporting on the initial state,
3001 | * or the interface doesn't want to go to sleep,
3002 | * report the current state as "event". */
3003 | if (linevent.flags & 0x2) {
3004 | /* Wake-up event by Wake-up signal */
3005 | tmpbuf[8] = 0xB0;
3006 | tmpbuf[9] = 0xB0;
3007 | tmpbuf[10] = 0x00;
3008 | tmpbuf[11] = 0x04;
3009 | } else {
3010 | /* Go-to-Sleep event by Inactivity for more than 4s */
3011 | tmpbuf[8] = 0xB0;
3012 | tmpbuf[9] = 0xB0;
3013 | tmpbuf[10] = 0x00;
3014 | tmpbuf[11] = 0x02;
3015 | }
3016 | break;
3017 | default:
3018 | tmpbuf[8] = 0x00;
3019 | tmpbuf[9] = 0x00;
3020 | tmpbuf[10] = 0x00;
3021 | tmpbuf[11] = 0x00;
3022 | break;
3023 | }
3024 |
3025 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
3026 |
3027 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_LIN107, linevent.channel, UINT16_MAX(65535), sizeof(tmpbuf), sizeof(tmpbuf));
3028 |
3029 | return true1;
3030 | }
3031 |
3032 | static bool_Bool
3033 | blf_parse_xml_port(const xmlChar* str, char** name, uint16_t* hwchannel, bool_Bool* simulated) {
3034 | static const char name_magic[] = "name=";
3035 | static const char hwchannel_magic[] = "hwchannel=";
3036 | static const char simulated_magic[] = "simulated=";
3037 |
3038 | if (str == NULL((void*)0)) return false0;
3039 |
3040 | char** tokens = g_strsplit_set((const char*)str, ";", -1);
3041 | if (tokens == NULL((void*)0)) {
3042 | ws_debug("cannot split XML port data")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3042, __func__, "cannot split XML port data"); } } while (0 );
3043 | return false0;
3044 | }
3045 |
3046 | for (int i = 0; tokens[i] != NULL((void*)0); i++) {
3047 | const char* token = tokens[i];
3048 | if (name && strncmp(token, name_magic, strlen(name_magic)) == 0) {
3049 | if (*name == NULL((void*)0)) { /* Avoid memory leak in case of repeated names */
3050 | *name = ws_strdup(token + strlen(name_magic))wmem_strdup(((void*)0), token + strlen(name_magic));
3051 | }
3052 | } else if (hwchannel && strncmp(token, hwchannel_magic, strlen(hwchannel_magic)) == 0) {
3053 | if (!ws_strtou16(token + strlen(hwchannel_magic), NULL((void*)0), hwchannel)) {
3054 | *hwchannel = UINT16_MAX(65535);
3055 | }
3056 | } else if (simulated && strncmp(token, simulated_magic, strlen(simulated_magic)) == 0) {
3057 | if (strlen(token) > strlen(simulated_magic) && token[strlen(simulated_magic)] != '0') {
3058 | *simulated = true1; /* TODO: Find a way to use this information */
3059 | }
3060 | }
3061 | }
3062 |
3063 | g_strfreev(tokens);
3064 |
3065 | return true1;
3066 | }
3067 |
3068 | static int
3069 | blf_get_xml_pkt_encap(const xmlChar* str) {
3070 | if (str == NULL((void*)0)) return 0;
3071 |
3072 | if (xmlStrcmp(str, (const xmlChar*)"CAN") == 0) {
3073 | return WTAP_ENCAP_SOCKETCAN125;
3074 | }
3075 | if (xmlStrcmp(str, (const xmlChar*)"FlexRay") == 0) {
3076 | return WTAP_ENCAP_FLEXRAY106;
3077 | }
3078 | if (xmlStrcmp(str, (const xmlChar*)"LIN") == 0) {
3079 | return WTAP_ENCAP_LIN107;
3080 | }
3081 | if (xmlStrcmp(str, (const xmlChar*)"Ethernet") == 0) {
3082 | return WTAP_ENCAP_ETHERNET1;
3083 | }
3084 | if (xmlStrcmp(str, (const xmlChar*)"WLAN") == 0) { /* Not confirmed with a real capture */
3085 | return WTAP_ENCAP_IEEE_802_1120;
3086 | }
3087 |
3088 | return WTAP_ENCAP_UNKNOWN0;
3089 | }
3090 |
3091 |
3092 | /** Extracts the channel and port names from a channels XML.
3093 | *
3094 | * A sample channels XML looks like this:
3095 | *
3096 | * <?xml version="1.0" encoding="UTF-8"?>
3097 | * <channels version="1">
3098 | * <channel number="1" type="CAN" network="CAN01">
3099 | * <databases>
3100 | * <database file="DB.arxml" path="C:\...\" cluster="CAN01" />
3101 | * <database file="DB.dbc" path="C:\...\" cluster="General" />
3102 | * </databases>
3103 | * </channel>
3104 | * <channel number="1" type="LIN" network="LIN01">
3105 | * <databases>
3106 | * <database file="DB.dbc" path="C:\...\" cluster="General" />
3107 | * <database file="DB.ldf" path="C:\...\" cluster="LIN01" />
3108 | * </databases>
3109 | * </channel>
3110 | * <channel number="1" type="Ethernet" network="ETH01">
3111 | * <databases>
3112 | * <database file="DB.dbc" path="C:\...\" cluster="General" />
3113 | * </databases>
3114 | * <channel_properties>
3115 | * <elist name="ports">
3116 | * <eli name="port">name=Port1;hwchannel=11;simulated=1</eli>
3117 | * <eli name="port">name=Port2;hwchannel=12;simulated=0</eli>
3118 | * </elist>
3119 | * </channel_properties>
3120 | * </channel>
3121 | * </channels>
3122 | */
3123 | static bool_Bool
3124 | blf_set_xml_channels(blf_params_t* params, const char* text, size_t len) {
3125 | xmlDocPtr doc;
3126 | xmlNodePtr root_element = NULL((void*)0);
3127 | xmlNodePtr channels = NULL((void*)0);
3128 |
3129 | if (text == NULL((void*)0)) return false0;
3130 |
3131 | /* Now it can be parsed into a proper structure */
3132 | doc = xmlParseMemory(text, (int)len);
3133 | if (doc == NULL((void*)0)) {
3134 | ws_debug("invalid xml found")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3134, __func__, "invalid xml found"); } } while (0);
3135 | return false0;
3136 | }
3137 |
3138 | root_element = xmlDocGetRootElement(doc);
3139 | if (root_element == NULL((void*)0)) {
3140 | ws_debug("empty xml doc")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3140, __func__, "empty xml doc"); } } while (0);
3141 | xmlFreeDoc(doc);
3142 | return false0;
3143 | }
3144 |
3145 | if (xmlStrcmp(root_element->name, (const xmlChar*)"channels") == 0) {
3146 | channels = root_element;
3147 | } else {
3148 | for (xmlNodePtr cur = root_element->children; cur != NULL((void*)0); cur = cur->next) {
3149 | if (cur->type == XML_ELEMENT_NODE && xmlStrcmp(cur->name, (const xmlChar*)"channels") == 0) {
3150 | channels = cur;
3151 | break;
3152 | }
3153 | }
3154 | }
3155 |
3156 | if (channels == NULL((void*)0)) {
3157 | ws_debug("No channels found")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3157, __func__, "No channels found"); } } while (0);
3158 | xmlFreeDoc(doc);
3159 | return false0;
3160 | }
3161 |
3162 | for (xmlNodePtr current_channel_node = channels->children; current_channel_node != NULL((void*)0); current_channel_node = current_channel_node->next) {
3163 | if ((current_channel_node->type == XML_ELEMENT_NODE) && (xmlStrcmp(current_channel_node->name, (const xmlChar*)"channel") == 0)) {
3164 | /* Reset the found attributes */
3165 | int pkt_encap = WTAP_ENCAP_UNKNOWN0;
3166 | uint16_t channel = UINT16_MAX(65535);
3167 | char* channel_name = NULL((void*)0);
3168 |
3169 | for (xmlAttrPtr attr = current_channel_node->properties; attr; attr = attr->next) {
3170 | if (xmlStrcmp(attr->name, (const xmlChar*)"number") == 0) {
3171 | xmlChar* str_channel = xmlNodeListGetString(current_channel_node->doc, attr->children, 1);
3172 | if (str_channel != NULL((void*)0)) {
3173 | ws_strtou16((const char*)str_channel, NULL((void*)0), &channel);
3174 | xmlFree(str_channel);
3175 | }
3176 | } else if (xmlStrcmp(attr->name, (const xmlChar*)"type") == 0) {
3177 | xmlChar* str_type = xmlNodeListGetString(current_channel_node->doc, attr->children, 1);
3178 | if (str_type != NULL((void*)0)) {
3179 | pkt_encap = blf_get_xml_pkt_encap(str_type);
3180 | xmlFree(str_type);
3181 | }
3182 | } else if (xmlStrcmp(attr->name, (const xmlChar*)"network") == 0) {
3183 | xmlChar* str_network = xmlNodeListGetString(current_channel_node->doc, attr->children, 1);
3184 | if (str_network != NULL((void*)0)) {
3185 | channel_name = ws_strdup((const char*)str_network)wmem_strdup(((void*)0), (const char*)str_network);
3186 | xmlFree(str_network);
3187 | }
3188 | }
3189 | }
3190 |
3191 | if (pkt_encap != WTAP_ENCAP_UNKNOWN0 && channel != UINT16_MAX(65535) && channel_name != NULL((void*)0)) {
3192 | 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" , 3192, __func__, "Found channel in XML: PKT_ENCAP: %d, ID: %u, name: %s" , pkt_encap, channel, channel_name); } } while (0);
3193 | blf_prepare_interface_name(params, pkt_encap, channel, UINT16_MAX(65535), channel_name, true1);
3194 |
3195 | /* Look for ports under the channel properties */
3196 | for (xmlNodePtr channel_property = current_channel_node->children; channel_property != NULL((void*)0); channel_property = channel_property->next) {
3197 | if ((channel_property->type == XML_ELEMENT_NODE) && (xmlStrcmp(channel_property->name, (const xmlChar*)"channel_properties") == 0)) {
3198 | for (xmlNodePtr prop_child = channel_property->children; prop_child != NULL((void*)0); prop_child = prop_child->next) {
3199 | if (prop_child->type == XML_ELEMENT_NODE && xmlStrcmp(prop_child->name, (const xmlChar*)"elist") == 0) {
3200 | xmlNodePtr elist_node = prop_child;
3201 | xmlChar* str_name = xmlGetProp(elist_node, (const xmlChar*)"name");
3202 | if (xmlStrcmp(str_name, (const xmlChar*)"ports") == 0) {
3203 | for (xmlNodePtr eli_node = elist_node->children; eli_node != NULL((void*)0); eli_node = eli_node->next) {
3204 | if (eli_node->type == XML_ELEMENT_NODE && xmlStrcmp(eli_node->name, (const xmlChar*)"eli") == 0) {
3205 | xmlChar* eli_name_attr = xmlGetProp(eli_node, (const xmlChar*)"name");
3206 | if (xmlStrcmp(eli_name_attr, (const xmlChar*)"port") == 0) {
3207 | char* port_name = NULL((void*)0);
3208 | uint16_t hwchannel = UINT16_MAX(65535);
3209 | bool_Bool simulated = false0;
3210 | char* iface_name = NULL((void*)0);
3211 | xmlChar* eli_content = xmlNodeGetContent(eli_node);
3212 |
3213 | bool_Bool res = blf_parse_xml_port(eli_content, &port_name, &hwchannel, &simulated);
3214 | if (res && port_name != NULL((void*)0) && hwchannel != UINT16_MAX(65535)) {
3215 | iface_name = ws_strdup_printf("%s::%s", channel_name, port_name)wmem_strdup_printf(((void*)0), "%s::%s", channel_name, port_name );
3216 | 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" , 3216, __func__, "Found channel in XML: PKT_ENCAP: %d, ID: %u, HW ID: %u, name: %s" , pkt_encap, channel, hwchannel, iface_name); } } while (0);
3217 | blf_prepare_interface_name(params, pkt_encap, channel, hwchannel, iface_name, true1);
3218 | g_free(iface_name);
3219 | } else {
3220 | ws_debug("port with missing or malformed info found in xml")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3220, __func__, "port with missing or malformed info found in xml" ); } } while (0);
3221 | }
3222 | g_free(port_name);
3223 | xmlFree(eli_content);
3224 | }
3225 | xmlFree(eli_name_attr);
3226 | }
3227 | }
3228 | }
3229 | xmlFree(str_name);
3230 | }
3231 | }
3232 | }
3233 | }
3234 | }
3235 | g_free(channel_name);
3236 | }
3237 | }
3238 |
3239 | xmlFreeDoc(doc);
3240 | return true1;
3241 | }
3242 |
3243 | static int
3244 | 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) {
3245 | blf_apptext_t apptextheader;
3246 |
3247 | if (object_length < (data_start - block_start) + (int)sizeof(apptextheader)) {
3248 | *err = WTAP_ERR_BAD_FILE-13;
3249 | *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" );
3250 | ws_debug("not enough bytes for apptext header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3250, __func__, "not enough bytes for apptext header in object" ); } } while (0);
3251 | return BLF_APPTEXT_FAILED0x000000FF;
3252 | }
3253 |
3254 | if (!blf_read_bytes(params, data_start, &apptextheader, sizeof(apptextheader), err, err_info)) {
3255 | ws_debug("not enough bytes for apptext header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3255, __func__, "not enough bytes for apptext header in file" ); } } while (0);
3256 | return BLF_APPTEXT_FAILED0x000000FF;
3257 | }
3258 | fix_endianness_blf_apptext_header(&apptextheader);
3259 |
3260 | if (metadata_info->valid && apptextheader.source != BLF_APPTEXT_METADATA0x00000002) {
3261 | /* If we're in the middle of a sequence of metadata objects,
3262 | * but we get an AppText object from another source,
3263 | * skip the previously incomplete object and start fresh.
3264 | */
3265 | metadata_info->valid = false0;
3266 | }
3267 |
3268 | /* Add an extra byte for a terminating '\0' */
3269 | char* text = g_try_malloc((size_t)apptextheader.textLength + 1);
3270 | if (text == NULL((void*)0)) {
3271 | ws_debug("cannot allocate memory")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3271, __func__, "cannot allocate memory"); } } while (0);
3272 | return BLF_APPTEXT_FAILED0x000000FF;
3273 | }
3274 |
3275 | if (!blf_read_bytes(params, data_start + sizeof(apptextheader), text, apptextheader.textLength, err, err_info)) {
3276 | ws_debug("not enough bytes for apptext text in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3276, __func__, "not enough bytes for apptext text in file" ); } } while (0);
3277 | g_free(text);
3278 | return BLF_APPTEXT_FAILED0x000000FF;
3279 | }
3280 | text[apptextheader.textLength] = '\0'; /* Here's the '\0' */
3281 |
3282 | switch (apptextheader.source) {
3283 | case BLF_APPTEXT_CHANNEL0x00000001:
3284 | {
3285 |
3286 | /* returns a NULL terminated array of NULL terminates strings */
3287 | char** tokens = g_strsplit_set(text, ";", -1);
3288 |
3289 | if (tokens == NULL((void*)0) || tokens[0] == NULL((void*)0) || tokens[1] == NULL((void*)0)) {
3290 | if (tokens != NULL((void*)0)) {
3291 | g_strfreev(tokens);
3292 | }
3293 | g_free(text);
3294 | return BLF_APPTEXT_CHANNEL0x00000001;
3295 | }
3296 |
3297 | uint16_t channel = (apptextheader.reservedAppText1 >> 8) & 0xff;
3298 | int pkt_encap;
3299 |
3300 | switch ((apptextheader.reservedAppText1 >> 16) & 0xff) {
3301 | case BLF_BUSTYPE_CAN1:
3302 | pkt_encap = WTAP_ENCAP_SOCKETCAN125;
3303 | break;
3304 |
3305 | case BLF_BUSTYPE_FLEXRAY7:
3306 | pkt_encap = WTAP_ENCAP_FLEXRAY106;
3307 | break;
3308 |
3309 | case BLF_BUSTYPE_LIN5:
3310 | pkt_encap = WTAP_ENCAP_LIN107;
3311 | break;
3312 |
3313 | case BLF_BUSTYPE_ETHERNET11:
3314 | pkt_encap = WTAP_ENCAP_ETHERNET1;
3315 | break;
3316 |
3317 | case BLF_BUSTYPE_WLAN13:
3318 | pkt_encap = WTAP_ENCAP_IEEE_802_1120;
3319 | break;
3320 |
3321 | default:
3322 | pkt_encap = WTAP_ENCAP_UNKNOWN0;
3323 | break;
3324 | }
3325 |
3326 | if (pkt_encap != WTAP_ENCAP_UNKNOWN0) {
3327 | /* we use lookup to create interface, if not existing yet */
3328 | blf_prepare_interface_name(params, pkt_encap, channel, UINT16_MAX(65535), tokens[1], false0);
3329 | }
3330 |
3331 | g_strfreev(tokens);
3332 | g_free(text);
3333 | return BLF_APPTEXT_CHANNEL0x00000001;
3334 | }
3335 | case BLF_APPTEXT_METADATA0x00000002:
3336 | if (metadata_info->valid) {
3337 | /* Set the buffer pointer to the end of the previous object */
3338 | params->rec->data.first_free = metadata_info->metadata_cont;
3339 | } else {
3340 | /* First object of a sequence of one or more */
3341 | wtap_buffer_append_epdu_string(&params->rec->data, EXP_PDU_TAG_DISSECTOR_NAME12, BLF_APPTEXT_TAG_DISS_DEFAULT"data-text-lines");
3342 | wtap_buffer_append_epdu_string(&params->rec->data, EXP_PDU_TAG_COL_PROT_TEXT33, BLF_APPTEXT_COL_PROT_TEXT"BLF App text");
3343 | switch (((apptextheader.reservedAppText1 >> 24) & 0xff)) {
3344 | case BLF_APPTEXT_XML_GENERAL0x01:
3345 | wtap_buffer_append_epdu_string(&params->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, BLF_APPTEXT_COL_INFO_TEXT_GENERAL"Metadata: General");
3346 | break;
3347 |
3348 | case BLF_APPTEXT_XML_CHANNELS0x02:
3349 | wtap_buffer_append_epdu_string(&params->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, BLF_APPTEXT_COL_INFO_TEXT_CHANNELS"Metadata: Channels");
3350 | break;
3351 |
3352 | case BLF_APPTEXT_XML_IDENTITY0x03:
3353 | wtap_buffer_append_epdu_string(&params->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, BLF_APPTEXT_COL_INFO_TEXT_IDENTITY"Metadata: Identity");
3354 | break;
3355 |
3356 | default:
3357 | wtap_buffer_append_epdu_string(&params->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, BLF_APPTEXT_COL_INFO_TEXT"Metadata");
3358 | }
3359 | wtap_buffer_append_epdu_end(&params->rec->data);
3360 | metadata_info->payload_start = params->rec->data.first_free;
3361 | }
3362 |
3363 | ws_buffer_append(&params->rec->data, (const uint8_t*)text, apptextheader.textLength);
3364 | g_free(text);
3365 |
3366 | if ((apptextheader.reservedAppText1 & 0x00ffffff) > apptextheader.textLength) {
3367 | /* Continues in the next object */
3368 | return BLF_APPTEXT_CONT0x000000FE;
3369 | }
3370 |
3371 | if (((apptextheader.reservedAppText1 >> 24) & 0xff) == BLF_APPTEXT_XML_CHANNELS0x02) {
3372 | blf_set_xml_channels(params, (const char*)(params->rec->data.data + metadata_info->payload_start), params->rec->data.first_free - metadata_info->payload_start);
3373 | }
3374 |
3375 | /* 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. */
3376 | blf_init_rec(params, 0, 0, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, 0, UINT16_MAX(65535), (uint32_t)ws_buffer_length(&params->rec->data), (uint32_t)ws_buffer_length(&params->rec->data));
3377 | return BLF_APPTEXT_METADATA0x00000002;
3378 | case BLF_APPTEXT_COMMENT0x00000000:
3379 | case BLF_APPTEXT_ATTACHMENT0x00000003:
3380 | case BLF_APPTEXT_TRACELINE0x00000004:
3381 | {
3382 | wtap_buffer_append_epdu_string(&params->rec->data, EXP_PDU_TAG_DISSECTOR_NAME12, BLF_APPTEXT_TAG_DISS_DEFAULT"data-text-lines");
3383 | wtap_buffer_append_epdu_string(&params->rec->data, EXP_PDU_TAG_COL_PROT_TEXT33, BLF_APPTEXT_COL_PROT_TEXT"BLF App text");
3384 |
3385 | char* info_line = NULL((void*)0);
3386 | switch (apptextheader.source) {
3387 | case BLF_APPTEXT_COMMENT0x00000000:
3388 | info_line = ws_strdup_printf("Comment: %s", text)wmem_strdup_printf(((void*)0), "Comment: %s", text);
3389 | break;
3390 | case BLF_APPTEXT_ATTACHMENT0x00000003:
3391 | info_line = ws_strdup_printf("Attachment: %s", text)wmem_strdup_printf(((void*)0), "Attachment: %s", text);
3392 | break;
3393 | case BLF_APPTEXT_TRACELINE0x00000004:
3394 | 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);
3395 | break;
3396 | default:
3397 | break;
3398 | }
3399 |
3400 | wtap_buffer_append_epdu_string(&params->rec->data, EXP_PDU_TAG_COL_INFO_TEXT36, info_line);
3401 | wtap_buffer_append_epdu_end(&params->rec->data);
3402 |
3403 | size_t text_length = strlen(text); /* The string can contain '\0' before textLength bytes */
3404 | ws_buffer_append(&params->rec->data, (const uint8_t*)text, text_length); /* The dissector doesn't need NULL-terminated strings */
3405 |
3406 | /* We'll write this as a WS UPPER PDU packet with a text blob */
3407 | blf_init_rec(params, flags, object_timestamp, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, 0, UINT16_MAX(65535), (uint32_t)ws_buffer_length(&params->rec->data), (uint32_t)ws_buffer_length(&params->rec->data));
3408 | g_free(text);
3409 | if (info_line) {
3410 | g_free(info_line);
3411 | }
3412 | return apptextheader.source;
3413 | }
3414 | default:
3415 | g_free(text);
3416 | return BLF_APPTEXT_CHANNEL0x00000001; /* Cheat - no block to write */;
3417 | }
3418 | return BLF_APPTEXT_CHANNEL0x00000001; /* Cheat - no block to write */
3419 | }
3420 |
3421 | static bool_Bool
3422 | 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) {
3423 | blf_ethernet_status_t ethernet_status_header;
3424 | uint8_t tmpbuf[24];
3425 | uint64_t linkUpDuration;
3426 |
3427 | if (object_length < (data_start - block_start) + (int)sizeof(ethernet_status_header) + (int)(object_version >= 1 ? 8 : 0)) {
3428 | *err = WTAP_ERR_BAD_FILE-13;
3429 | *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" );
3430 | ws_debug("not enough bytes for ethernet status header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3430, __func__, "not enough bytes for ethernet status header in object" ); } } while (0);
3431 | return false0;
3432 | }
3433 |
3434 | if (!blf_read_bytes(params, data_start, &ethernet_status_header, sizeof(ethernet_status_header), err, err_info)) {
3435 | 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" , 3435, __func__, "not enough bytes for ethernet_status_header header in file" ); } } while (0);
3436 | return false0;
3437 | }
3438 |
3439 | if (object_version >= 1) {
3440 | if (!blf_read_bytes(params, data_start + sizeof(ethernet_status_header), &linkUpDuration, 8, err, err_info)) {
3441 | 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" , 3441, __func__, "not enough bytes for ethernet_status_header header in file" ); } } while (0);
3442 | return false0;
3443 | }
3444 | linkUpDuration = GUINT64_FROM_LE(linkUpDuration)(((guint64) (linkUpDuration)));
3445 | }
3446 |
3447 | fix_endianness_blf_ethernet_status_header(&ethernet_status_header);
3448 |
3449 | phtonu16(tmpbuf, ethernet_status_header.channel);
3450 | phtonu16(tmpbuf + 2, ethernet_status_header.flags);
3451 | tmpbuf[4] = (ethernet_status_header.linkStatus);
3452 | tmpbuf[5] = (ethernet_status_header.ethernetPhy);
3453 | tmpbuf[6] = (ethernet_status_header.duplex);
3454 | tmpbuf[7] = (ethernet_status_header.mdi);
3455 | tmpbuf[8] = (ethernet_status_header.connector);
3456 | tmpbuf[9] = (ethernet_status_header.clockMode);
3457 | tmpbuf[10] = (ethernet_status_header.pairs);
3458 | tmpbuf[11] = (ethernet_status_header.hardwareChannel);
3459 | phtonu32(tmpbuf + 12, ethernet_status_header.bitrate);
3460 |
3461 | if (object_version >= 1) {
3462 | phtonu64(tmpbuf + 16, linkUpDuration);
3463 | }
3464 |
3465 | wtap_buffer_append_epdu_string(&params->rec->data, EXP_PDU_TAG_DISSECTOR_NAME12, BLF_APPTEXT_TAG_DISS_ETHSTATUS"blf-ethernetstatus-obj");
3466 | wtap_buffer_append_epdu_end(&params->rec->data);
3467 |
3468 | ws_buffer_append(&params->rec->data, tmpbuf, (size_t)(object_version >= 1 ? 24 : 16));
3469 |
3470 | /* We'll write this as a WS UPPER PDU packet with a data blob */
3471 | /* This will create an interface with the "name" of the matching
3472 | * WTAP_ENCAP_ETHERNET interface with the same channel and hardware
3473 | * channel prefixed with "STATUS" and with a different interface ID,
3474 | * because IDBs in pcapng can only have one linktype.
3475 | * The other option would be to write everything as UPPER_PDU, including
3476 | * the Ethernet data (with one of the "eth_" dissectors.)
3477 | */
3478 | 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);
3479 | blf_lookup_interface(params, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, ethernet_status_header.channel, ethernet_status_header.hardwareChannel, iface_name);
3480 | g_free(iface_name);
3481 | 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(&params->rec->data), (uint32_t)ws_buffer_length(&params->rec->data));
3482 |
3483 | if ((ethernet_status_header.flags & BLF_ETH_STATUS_HARDWARECHANNEL0x0100) == BLF_ETH_STATUS_HARDWARECHANNEL0x0100) {
3484 | /* If HW channel valid */
3485 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_QUEUE6, ethernet_status_header.hardwareChannel);
3486 | }
3487 |
3488 | return true1;
3489 | }
3490 |
3491 | static bool_Bool
3492 | 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) {
3493 | blf_ethernet_phystate_t ethernet_phystate_header;
3494 | uint8_t tmpbuf[8];
3495 |
3496 | if (object_length < (data_start - block_start) + (int)sizeof(ethernet_phystate_header)) {
3497 | *err = WTAP_ERR_BAD_FILE-13;
3498 | *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" );
3499 | ws_debug("not enough bytes for ethernet phystate header in object")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3499, __func__, "not enough bytes for ethernet phystate header in object" ); } } while (0);
3500 | return false0;
3501 | }
3502 |
3503 | if (!blf_read_bytes(params, data_start, &ethernet_phystate_header, sizeof(ethernet_phystate_header), err, err_info)) {
3504 | ws_debug("not enough bytes for ethernet phystate header in file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3504, __func__, "not enough bytes for ethernet phystate header in file" ); } } while (0);
3505 | return false0;
3506 | }
3507 |
3508 | fix_endianness_blf_ethernet_phystate_header(&ethernet_phystate_header);
3509 |
3510 | phtonu16(tmpbuf, ethernet_phystate_header.channel);
3511 | phtonu16(tmpbuf + 2, ethernet_phystate_header.flags);
3512 | tmpbuf[4] = (ethernet_phystate_header.phyState);
3513 | tmpbuf[5] = (ethernet_phystate_header.phyEvent);
3514 | tmpbuf[6] = (ethernet_phystate_header.hardwareChannel);
3515 | tmpbuf[7] = (ethernet_phystate_header.res1);
3516 |
3517 | wtap_buffer_append_epdu_string(&params->rec->data, EXP_PDU_TAG_DISSECTOR_NAME12, BLF_APPTEXT_TAG_DISS_ETHPHYSTATUS"blf-ethernetphystate-obj");
3518 | wtap_buffer_append_epdu_end(&params->rec->data);
3519 |
3520 | ws_buffer_append(&params->rec->data, tmpbuf, sizeof(tmpbuf));
3521 |
3522 | /* We'll write this as a WS UPPER PDU packet with a data blob */
3523 | /* This will create an interface with the "name" of the matching
3524 | * WTAP_ENCAP_ETHERNET interface with the same channel and hardware
3525 | * channel prefixed with "STATUS" and with a different interface ID,
3526 | * because IDBs in pcapng can only have one linktype.
3527 | * The other option would be to write everything as UPPER_PDU, including
3528 | * the Ethernet data (with one of the "eth_" dissectors.)
3529 | */
3530 | 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);
3531 | blf_lookup_interface(params, WTAP_ENCAP_WIRESHARK_UPPER_PDU155, ethernet_phystate_header.channel, ethernet_phystate_header.hardwareChannel, iface_name);
3532 | g_free(iface_name);
3533 | 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(&params->rec->data), (uint32_t)ws_buffer_length(&params->rec->data));
3534 |
3535 | if ((ethernet_phystate_header.flags & BLF_PHY_STATE_HARDWARECHANNEL0x0004) == BLF_PHY_STATE_HARDWARECHANNEL0x0004) {
3536 | /* If HW channel valid */
3537 | wtap_block_add_uint32_option(params->rec->block, OPT_PKT_QUEUE6, ethernet_phystate_header.hardwareChannel);
3538 | }
3539 |
3540 | return true1;
3541 | }
3542 |
3543 | static bool_Bool
3544 | blf_read_block(blf_params_t *params, int64_t start_pos, int *err, char **err_info) {
3545 | blf_blockheader_t header;
3546 | blf_logobjectheader_t logheader;
3547 | blf_logobjectheader2_t logheader2;
3548 | blf_logobjectheader3_t logheader3;
3549 | uint32_t flags;
3550 | uint64_t object_timestamp;
3551 | uint16_t object_version;
3552 | blf_metadata_info_t metadata_info = { 0, 0, false0 };
3553 | int64_t last_metadata_start = 0;
3554 |
3555 | while (1) {
3556 | /* Find Object */
3557 |
3558 | /* Resetting buffer */
3559 | params->rec->data.first_free = params->rec->data.start;
3560 |
3561 | while (1) {
3562 | if (!blf_read_bytes_or_eof(params, start_pos, &header, sizeof header, err, err_info)) {
3563 | ws_debug("not enough bytes for block header or unsupported file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3563, __func__, "not enough bytes for block header or unsupported file" ); } } while (0);
3564 | if (*err == WTAP_ERR_SHORT_READ-12) {
3565 | /* we have found the end that is not a short read therefore. */
3566 | *err = 0;
3567 | g_free(*err_info);
3568 | *err_info = NULL((void*)0);
3569 | }
3570 | return false0;
3571 | }
3572 |
3573 | fix_endianness_blf_blockheader(&header);
3574 |
3575 | if (memcmp(header.magic, blf_obj_magic, sizeof(blf_obj_magic))) {
3576 | 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" , 3576, __func__, "object magic is not LOBJ (pos: 0x%" "l" "x" ")", start_pos); } } while (0);
3577 | } else {
3578 | break;
3579 | }
3580 |
3581 | /* we are moving back and try again but 1 byte later */
3582 | /* TODO: better understand how this paddings works... */
3583 | start_pos++;
3584 | }
3585 | params->blf_data->start_of_last_obj = start_pos;
3586 |
3587 | if (!params->random) {
3588 | /* Make sure that we start after this object next time,
3589 | * but only if it's a linear read. We can have random reads
3590 | * during the linear read, so we have to make sure we don't
3591 | * lose track of our position.
3592 | */
3593 | 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) );
3594 | }
3595 |
3596 | switch (header.header_type) {
3597 | case BLF_HEADER_TYPE_DEFAULT1:
3598 | if (!blf_read_log_object_header(params, err, err_info, start_pos + sizeof(blf_blockheader_t), start_pos + header.header_length, &logheader)) {
3599 | return false0;
3600 | }
3601 | flags = logheader.flags;
3602 | object_timestamp = logheader.object_timestamp;
3603 | object_version = logheader.object_version;
3604 | break;
3605 |
3606 | case BLF_HEADER_TYPE_22:
3607 | if (!blf_read_log_object_header2(params, err, err_info, start_pos + sizeof(blf_blockheader_t), start_pos + header.header_length, &logheader2)) {
3608 | return false0;
3609 | }
3610 | flags = logheader2.flags;
3611 | object_timestamp = logheader2.object_timestamp;
3612 | object_version = logheader2.object_version;
3613 | break;
3614 |
3615 | case BLF_HEADER_TYPE_33:
3616 | if (!blf_read_log_object_header3(params, err, err_info, start_pos + sizeof(blf_blockheader_t), start_pos + header.header_length, &logheader3)) {
3617 | return false0;
3618 | }
3619 | flags = logheader3.flags;
3620 | object_timestamp = logheader3.object_timestamp;
3621 | object_version = logheader3.object_version;
3622 | break;
3623 |
3624 | default:
3625 | *err = WTAP_ERR_UNSUPPORTED-4;
3626 | *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);
3627 | ws_debug("unknown header type")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3627, __func__, "unknown header type"); } } while (0);
3628 | return false0;
3629 | }
3630 |
3631 | if (metadata_info.valid && header.object_type != BLF_OBJTYPE_APP_TEXT65) {
3632 | /* If we're in the middle of a sequence of AppText metadata objects,
3633 | * but we get an AppText object from another source,
3634 | * skip the previous incomplete packet and start fresh.
3635 | */
3636 | metadata_info.valid = false0;
3637 | }
3638 |
3639 | switch (header.object_type) {
3640 | case BLF_OBJTYPE_LOG_CONTAINER10:
3641 | *err = WTAP_ERR_UNSUPPORTED-4;
3642 | *err_info = ws_strdup("blf: log container in log container not supported")wmem_strdup(((void*)0), "blf: log container in log container not supported" );
3643 | ws_debug("log container in log container not supported")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3643, __func__, "log container in log container not supported" ); } } while (0);
3644 | return false0;
3645 |
3646 | case BLF_OBJTYPE_ETHERNET_FRAME71:
3647 | return blf_read_ethernetframe(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3648 |
3649 | case BLF_OBJTYPE_ETHERNET_FRAME_EX120:
3650 | return blf_read_ethernetframe_ext(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0);
3651 |
3652 | case BLF_OBJTYPE_ETHERNET_RX_ERROR102:
3653 | return blf_read_ethernet_rxerror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3654 |
3655 | case BLF_OBJTYPE_ETHERNET_ERROR_EX122:
3656 | return blf_read_ethernetframe_ext(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1);
3657 |
3658 | case BLF_OBJTYPE_WLAN_FRAME93:
3659 | return blf_read_wlanframe(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3660 |
3661 | case BLF_OBJTYPE_CAN_MESSAGE1:
3662 | return blf_read_canmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0);
3663 |
3664 | case BLF_OBJTYPE_CAN_ERROR2:
3665 | return blf_read_canerror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0);
3666 |
3667 | case BLF_OBJTYPE_CAN_OVERLOAD3:
3668 | return blf_read_canerror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1);
3669 |
3670 | case BLF_OBJTYPE_CAN_MESSAGE286:
3671 | return blf_read_canmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1);
3672 |
3673 | case BLF_OBJTYPE_CAN_ERROR_EXT73:
3674 | return blf_read_canerrorext(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3675 |
3676 | case BLF_OBJTYPE_CAN_FD_MESSAGE100:
3677 | return blf_read_canfdmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3678 |
3679 | case BLF_OBJTYPE_CAN_FD_MESSAGE_64101:
3680 | return blf_read_canfdmessage64(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3681 |
3682 | case BLF_OBJTYPE_CAN_FD_ERROR_64104:
3683 | return blf_read_canfderror64(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3684 |
3685 | case BLF_OBJTYPE_CAN_XL_CHANNEL_FRAME139:
3686 | return blf_read_canxlchannelframe(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3687 |
3688 | case BLF_OBJTYPE_FLEXRAY_DATA29:
3689 | return blf_read_flexraydata(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3690 |
3691 | case BLF_OBJTYPE_FLEXRAY_MESSAGE41:
3692 | return blf_read_flexraymessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3693 |
3694 | case BLF_OBJTYPE_FLEXRAY_RCVMESSAGE50:
3695 | return blf_read_flexrayrcvmessageex(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0);
3696 |
3697 | case BLF_OBJTYPE_FLEXRAY_RCVMESSAGE_EX66:
3698 | return blf_read_flexrayrcvmessageex(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1);
3699 |
3700 | case BLF_OBJTYPE_LIN_MESSAGE11:
3701 | return blf_read_linmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, false0);
3702 |
3703 | case BLF_OBJTYPE_LIN_CRC_ERROR12:
3704 | return blf_read_linmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, true1);
3705 |
3706 | case BLF_OBJTYPE_LIN_RCV_ERROR14:
3707 | return blf_read_linrcverror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3708 |
3709 | case BLF_OBJTYPE_LIN_SND_ERROR15:
3710 | return blf_read_linsenderror(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3711 |
3712 | case BLF_OBJTYPE_LIN_WAKEUP21:
3713 | return blf_read_linwakeupevent(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3714 |
3715 | case BLF_OBJTYPE_LIN_MESSAGE257:
3716 | return blf_read_linmessage2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version);
3717 |
3718 | case BLF_OBJTYPE_LIN_CRC_ERROR260:
3719 | return blf_read_lincrcerror2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version);
3720 |
3721 | case BLF_OBJTYPE_LIN_RCV_ERROR261:
3722 | return blf_read_linrcverror2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version);
3723 |
3724 | case BLF_OBJTYPE_LIN_SND_ERROR258:
3725 | return blf_read_linsenderror2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version);
3726 |
3727 | case BLF_OBJTYPE_LIN_WAKEUP262:
3728 | return blf_read_linwakeupevent2(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3729 |
3730 | case BLF_OBJTYPE_LIN_SLEEP20:
3731 | return blf_read_linsleepmodeevent(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3732 |
3733 | case BLF_OBJTYPE_APP_TEXT65:
3734 | {
3735 | int result = blf_read_apptextmessage(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, &metadata_info);
3736 | if (result == BLF_APPTEXT_CONT0x000000FE) {
3737 | if (!metadata_info.valid) {
3738 | /* First object of a sequence, save its start position */
3739 | last_metadata_start = start_pos;
3740 | metadata_info.valid = true1;
3741 | }
3742 | /* Save a pointer to the end of the buffer */
3743 | metadata_info.metadata_cont = params->rec->data.first_free;
3744 | } else {
3745 | if (result == BLF_APPTEXT_METADATA0x00000002 && metadata_info.valid) {
3746 | /* Last object of a sequence, restore the start position of the first object */
3747 | params->blf_data->start_of_last_obj = last_metadata_start;
3748 | }
3749 | /* Reset everything and start fresh */
3750 | metadata_info.valid = false0;
3751 | }
3752 | switch (result) {
3753 | case BLF_APPTEXT_FAILED0x000000FF:
3754 | return false0;
3755 | case BLF_APPTEXT_COMMENT0x00000000:
3756 | case BLF_APPTEXT_METADATA0x00000002:
3757 | case BLF_APPTEXT_ATTACHMENT0x00000003:
3758 | case BLF_APPTEXT_TRACELINE0x00000004:
3759 | return true1;
3760 | case BLF_APPTEXT_CHANNEL0x00000001:
3761 | case BLF_APPTEXT_CONT0x000000FE:
3762 | default:
3763 | /* we do not return since there is no packet to show here */
3764 | 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) );
3765 | break;
3766 | }
3767 | }
3768 | break;
3769 |
3770 | case BLF_OBJTYPE_ETHERNET_STATUS103:
3771 | return blf_read_ethernet_status(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp, object_version);
3772 |
3773 | case BLF_OBJTYPE_ETHERNET_PHY_STATE133:
3774 | return blf_read_ethernet_phystate(params, err, err_info, start_pos, start_pos + header.header_length, header.object_length, flags, object_timestamp);
3775 |
3776 | case BLF_OBJTYPE_ENV_INTEGER6:
3777 | case BLF_OBJTYPE_ENV_DOUBLE7:
3778 | case BLF_OBJTYPE_ENV_STRING8:
3779 | case BLF_OBJTYPE_ENV_DATA9:
3780 | case BLF_OBJTYPE_SYS_VARIABLE72:
3781 | case BLF_OBJTYPE_RESERVED5115: /* Despite the name, this is actually used. Maybe it's worth investigating the content. */
3782 | case BLF_OBJTYPE_TEST_STRUCTURE118:
3783 | ws_debug("skipping unsupported object type 0x%04x", header.object_type)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3783, __func__, "skipping unsupported object type 0x%04x", header .object_type); } } while (0);
3784 | 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) );
3785 | break;
3786 | default:
3787 | 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);
3788 | 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) );
3789 | break;
3790 | }
3791 | }
3792 | return true1;
3793 | }
3794 |
3795 | static bool_Bool blf_read(wtap *wth, wtap_rec *rec, int *err, char **err_info, int64_t *data_offset) {
3796 | blf_params_t blf_tmp;
3797 |
3798 | blf_tmp.wth = wth;
3799 | blf_tmp.fh = wth->fh;
3800 | blf_tmp.random = false0;
3801 | blf_tmp.pipe = wth->ispipe;
3802 | blf_tmp.rec = rec;
3803 | blf_tmp.blf_data = (blf_t *)wth->priv;
3804 |
3805 | if (!blf_read_block(&blf_tmp, blf_tmp.blf_data->current_real_seek_pos, err, err_info)) {
3806 | return false0;
3807 | }
3808 | *data_offset = blf_tmp.blf_data->start_of_last_obj;
3809 |
3810 | return true1;
3811 | }
3812 |
3813 | static bool_Bool blf_seek_read(wtap *wth, int64_t seek_off, wtap_rec *rec, int *err, char **err_info) {
3814 | blf_params_t blf_tmp;
3815 |
3816 | blf_tmp.wth = wth;
3817 | blf_tmp.fh = wth->random_fh;
3818 | blf_tmp.random = true1;
3819 | blf_tmp.pipe = wth->ispipe;
3820 | blf_tmp.rec = rec;
3821 | blf_tmp.blf_data = (blf_t *)wth->priv;
3822 |
3823 | if (!blf_read_block(&blf_tmp, seek_off, err, err_info)) {
3824 | ws_debug("couldn't read packet block (err=%d).", *err)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3824, __func__, "couldn't read packet block (err=%d).", *err ); } } while (0);
3825 | return false0;
3826 | }
3827 |
3828 | return true1;
3829 | }
3830 |
3831 | static void blf_free(blf_t *blf) {
3832 | if (blf != NULL((void*)0)) {
3833 | if (blf->log_containers != NULL((void*)0)) {
3834 | for (unsigned i = 0; i < blf->log_containers->len; i++) {
3835 | 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)]);
3836 | if (log_container->real_data != NULL((void*)0)) {
3837 | g_free(log_container->real_data);
3838 | }
3839 | }
3840 | g_array_free(blf->log_containers, true1);
3841 | blf->log_containers = NULL((void*)0);
3842 | }
3843 | if (blf->channel_to_iface_ht != NULL((void*)0)) {
3844 | g_hash_table_destroy(blf->channel_to_iface_ht);
3845 | blf->channel_to_iface_ht = NULL((void*)0);
3846 | }
3847 | if (blf->channel_to_name_ht != NULL((void*)0)) {
3848 | g_hash_table_destroy(blf->channel_to_name_ht);
3849 | blf->channel_to_name_ht = NULL((void*)0);
3850 | }
3851 | }
3852 | }
3853 |
3854 | static void blf_close(wtap *wth) {
3855 | blf_free((blf_t *)wth->priv);
3856 |
3857 | /* TODO: do we need to reverse the wtap_add_idb? how? */
3858 | }
3859 |
3860 | wtap_open_return_val
3861 | blf_open(wtap *wth, int *err, char **err_info) {
3862 | blf_fileheader_t header;
3863 | blf_t *blf;
3864 |
3865 | ws_debug("opening file")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3865, __func__, "opening file"); } } while (0);
3866 |
3867 | if (!wtap_read_bytes_or_eof(wth->fh, &header, sizeof(blf_fileheader_t), err, err_info)) {
3868 |
3869 | ws_debug("wtap_read_bytes_or_eof() failed, err = %d.", *err)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 3869, __func__, "wtap_read_bytes_or_eof() failed, err = %d." , *err); } } while (0);
3870 | if (*err == 0 || *err == WTAP_ERR_SHORT_READ-12) {
3871 | /*
3872 | * Short read or EOF.
3873 | *
3874 | * We're reading this as part of an open, so
3875 | * the file is too short to be a blf file.
3876 | */
3877 | *err = 0;
3878 | g_free(*err_info);
3879 | *err_info = NULL((void*)0);
3880 | return WTAP_OPEN_NOT_MINE;
3881 | }
3882 | return WTAP_OPEN_ERROR;
3883 | }
3884 |
3885 | fix_endianness_blf_fileheader(&header);
3886 |
3887 | if (memcmp(header.magic, blf_magic, sizeof(blf_magic))) {
3888 | return WTAP_OPEN_NOT_MINE;
3889 | }
3890 |
3891 | /* This seems to be an BLF! */
3892 | /* Check for a valid header length */
3893 | if (header.header_length < sizeof(blf_fileheader_t)) {
3894 | *err = WTAP_ERR_BAD_FILE-13;
3895 | *err_info = ws_strdup("blf: file header length too short")wmem_strdup(((void*)0), "blf: file header length too short");
3896 | return WTAP_OPEN_ERROR;
3897 | }
3898 |
3899 | /* skip past the header, which may include padding/reserved space */
3900 | if (!wtap_read_bytes(wth->fh, NULL((void*)0), header.header_length - sizeof(blf_fileheader_t), err, err_info)) {
3901 | return WTAP_OPEN_ERROR;
3902 | }
3903 |
3904 | /* Prepare our private context. */
3905 | blf = g_new(blf_t, 1)((blf_t *) g_malloc_n ((1), sizeof (blf_t)));
3906 | blf->log_containers = g_array_new(false0, false0, sizeof(blf_log_container_t));
3907 | blf->current_real_seek_pos = 0;
3908 | blf->start_offset_ns = blf_data_to_ns(&header.start_date);
3909 | blf->end_offset_ns = blf_data_to_ns(&header.end_date);
3910 |
3911 | 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);
3912 | 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);
3913 | blf->next_interface_id = 0;
3914 |
3915 | wth->priv = (void *)blf;
3916 | wth->file_encap = WTAP_ENCAP_NONE-2;
3917 | wth->snapshot_length = 0;
3918 | wth->file_tsprec = WTAP_TSPREC_UNKNOWN-2;
3919 | wth->file_start_ts.secs = blf->start_offset_ns / (1000 * 1000 * 1000);
3920 | wth->file_start_ts.nsecs = blf->start_offset_ns % (1000 * 1000 * 1000);
3921 | wth->file_end_ts.secs = blf->end_offset_ns / (1000 * 1000 * 1000);
3922 | wth->file_end_ts.nsecs = blf->end_offset_ns % (1000 * 1000 * 1000);
3923 | wth->subtype_read = blf_read;
3924 | wth->subtype_seek_read = blf_seek_read;
3925 | wth->subtype_close = blf_close;
3926 | wth->file_type_subtype = blf_file_type_subtype;
3927 |
3928 | wtap_block_t block = wtap_block_create(WTAP_BLOCK_SECTION);
3929 | wtapng_section_mandatory_t *shb_mand = (wtapng_section_mandatory_t *)wtap_block_get_mandatory_data(block);
3930 | shb_mand->section_length = UINT64_MAX(18446744073709551615UL);
3931 |
3932 | wtap_block_add_string_option_format(block, OPT_SHB_USERAPPL4, "%s %d.%d.%d", try_val_to_str(header.application, blf_application_names),
3933 | header.application_major, header.application_minor, header.application_build);
3934 | wtap_block_copy(g_array_index(wth->shb_hdrs, wtap_block_t, 0)(((wtap_block_t*) (void *) (wth->shb_hdrs)->data) [(0)] ), block);
3935 | wtap_block_unref(block);
3936 |
3937 | return WTAP_OPEN_MINE;
3938 | }
3939 |
3940 | /* Options for interface blocks. */
3941 | static const struct supported_option_type interface_block_options_supported[] = {
3942 | /* No comments, just an interface name. */
3943 | { OPT_IDB_NAME2, ONE_OPTION_SUPPORTED }
3944 | };
3945 |
3946 | static const struct supported_block_type blf_blocks_supported[] = {
3947 | { WTAP_BLOCK_PACKET, MULTIPLE_BLOCKS_SUPPORTED, NO_OPTIONS_SUPPORTED0, ((void*)0) },
3948 | { 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 },
3949 | };
3950 |
3951 |
3952 | /***********************/
3953 | /* BLF Writing Support */
3954 | /***********************/
3955 |
3956 | /* 10MB = 10485760 */
3957 | #define LOG_CONTAINER_BUFFER_SIZE10485760 10485760
3958 |
3959 | #define LOG_CONTAINER_NONE(18446744073709551615UL) UINT64_MAX(18446744073709551615UL)
3960 |
3961 | typedef struct _blf_writer_data {
3962 | GArray *iface_to_channel_array;
3963 | bool_Bool iface_to_channel_names_recovered;
3964 |
3965 | blf_fileheader_t *fileheader;
3966 | uint32_t object_count;
3967 | uint64_t start_time;
3968 | bool_Bool start_time_set;
3969 | uint64_t end_time;
3970 |
3971 | uint64_t logcontainer_start;
3972 | blf_blockheader_t logcontainer_block_header;
3973 | blf_logcontainerheader_t logcontainer_header;
3974 | } blf_writer_data_t;
3975 |
3976 | static void
3977 | blf_dump_init_channel_to_iface_entry(blf_channel_to_iface_entry_t* tmp, unsigned int if_id) {
3978 | tmp->channel = 0;
3979 | tmp->hwchannel = UINT16_MAX(65535);
3980 | tmp->interface_id = if_id;
3981 | tmp->pkt_encap = WTAP_ENCAP_NONE-2;
3982 | }
3983 |
3984 | static void
3985 | blf_dump_expand_interface_mapping(wtap_dumper *wdh, int new_size) {
3986 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
3987 |
3988 | int old_size = writer_data->iface_to_channel_array->len;
3989 |
3990 | if (old_size < new_size) {
6 | ← | Assuming 'old_size' is < 'new_size' | →
7 | ← | Taking true branch | →
3991 | /* we need to expand array */
3992 | unsigned int number_of_new_elements = new_size - old_size;
3993 |
3994 | blf_channel_to_iface_entry_t *newdata = g_new0(blf_channel_to_iface_entry_t, number_of_new_elements)((blf_channel_to_iface_entry_t *) g_malloc0_n ((number_of_new_elements ), sizeof (blf_channel_to_iface_entry_t)));
8 | ← | Memory is allocated | →
3995 | g_array_append_vals(writer_data->iface_to_channel_array, newdata, number_of_new_elements);
3996 |
3997 | for (unsigned int i = old_size; i < writer_data->iface_to_channel_array->len; i++) {
9 | ← | Potential leak of memory pointed to by 'newdata'
3998 | 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)]);
3999 | blf_dump_init_channel_to_iface_entry(tmp, i);
4000 | }
4001 | }
4002 | }
4003 |
4004 | static bool_Bool
4005 | blf_dump_set_interface_mapping(wtap_dumper *wdh, uint32_t interface_id, int pkt_encap, uint16_t channel, uint16_t hw_channel) {
4006 | if (channel == 0) {
4007 | 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" , 4007, __func__, "Trying to set channel to 0! That will probably lead to an unreadable file! Replacing by 1 to limit problem!" ); } } while (0);
4008 | channel = 1;
4009 | }
4010 |
4011 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4012 |
4013 | blf_dump_expand_interface_mapping(wdh, interface_id + 1);
4014 |
4015 | 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)]);
4016 | tmp->channel = channel;
4017 | tmp->hwchannel = hw_channel;
4018 | tmp->interface_id = interface_id;
4019 | tmp->pkt_encap = pkt_encap;
4020 |
4021 | return true1;
4022 | }
4023 |
4024 | static blf_channel_to_iface_entry_t *
4025 | blf_dump_get_interface_mapping(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info) {
4026 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4027 |
4028 | uint32_t interface_id = rec->rec_header.packet_header.interface_id;
4029 | if (interface_id < writer_data->iface_to_channel_array->len) {
4030 | 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)]);
4031 | }
4032 |
4033 | *err = WTAP_ERR_INTERNAL-21;
4034 | *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);
4035 | ws_critical("BLF Interface Mapping cannot be found!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_CRITICAL, "wiretap/blf.c" , 4035, __func__, "BLF Interface Mapping cannot be found!"); } } while (0);
4036 |
4037 | return NULL((void*)0);
4038 | }
4039 |
4040 | static bool_Bool
4041 | blf_init_file_header(wtap_dumper *wdh, int *err) {
4042 | if (wdh == NULL((void*)0) || wdh->priv == NULL((void*)0)) {
4043 | *err = WTAP_ERR_INTERNAL-21;
4044 | ws_debug("internal error: blf private data not found!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 4044, __func__, "internal error: blf private data not found!" ); } } while (0);
4045 | return false0;
4046 | }
4047 |
4048 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4049 |
4050 | writer_data->fileheader = g_new0(blf_fileheader_t, 1)((blf_fileheader_t *) g_malloc0_n ((1), sizeof (blf_fileheader_t )));
4051 |
4052 | /* set magic */
4053 | int i;
4054 | for (i = 0; i < 4; i++) {
4055 | writer_data->fileheader->magic[i] = blf_magic[i];
4056 | }
4057 |
4058 | /* currently only support 144 byte length*/
4059 | writer_data->fileheader->header_length = 144;
4060 |
4061 | writer_data->fileheader->application_major = WIRESHARK_VERSION_MAJOR4;
4062 | writer_data->fileheader->application_minor = WIRESHARK_VERSION_MINOR7;
4063 | writer_data->fileheader->application_build = WIRESHARK_VERSION_MICRO0;
4064 |
4065 | return true1;
4066 | }
4067 |
4068 | static bool_Bool
4069 | blf_write_add_padding(wtap_dumper *wdh, int *err, uint8_t count) {
4070 | if (count > 0 && count < 4) {
4071 | uint8_t padding[3] = { 0 };
4072 | if (!wtap_dump_file_write(wdh, &padding, count, err)) {
4073 | return false0;
4074 | }
4075 | }
4076 | return true1;
4077 | }
4078 |
4079 | static bool_Bool
4080 | blf_write_file_header_zeros(wtap_dumper *wdh, int *err) {
4081 | /* lets add 144 bytes for the header and padding */
4082 | uint8_t padding[144] = { 0 };
4083 | if (!wtap_dump_file_write(wdh, &padding, 144, err)) {
4084 | return false0;
4085 | }
4086 |
4087 | return true1;
4088 | }
4089 |
4090 | static void
4091 | blf_write_date_to_blf_header(blf_fileheader_t *fileheader, bool_Bool start, uint64_t ns_timestamp) {
4092 | struct tm tmp;
4093 | const time_t date = (time_t)(ns_timestamp / (1000 * 1000 * 1000));
4094 |
4095 | if (ws_localtime_r(&date, &tmp) != NULL((void*)0)) {
4096 | blf_date_t *target = start ? &(fileheader->start_date) : &(fileheader->end_date);
4097 | target->year = 1900 + tmp.tm_year;
4098 | target->month = tmp.tm_mon + 1;
4099 | target->day = tmp.tm_mday;
4100 | target->hour = tmp.tm_hour;
4101 | target->mins = tmp.tm_min;
4102 | target->sec = tmp.tm_sec;
4103 |
4104 | uint64_t tmp_date = blf_data_to_ns((const blf_date_t *)target);
4105 |
4106 | target->ms = (uint16_t)((ns_timestamp - tmp_date) / (1000 * 1000));
4107 | }
4108 |
4109 | }
4110 |
4111 | static bool_Bool
4112 | blf_finalize_file_header(wtap_dumper *wdh, int *err) {
4113 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4114 | blf_fileheader_t *fileheader = writer_data->fileheader;
4115 | int64_t bytes_written = wtap_dump_file_tell(wdh, err);
4116 |
4117 | /* update the header and convert all to LE */
4118 | fileheader->api_version = (((WIRESHARK_VERSION_MAJOR4 * 100) + WIRESHARK_VERSION_MINOR7) * 100 + WIRESHARK_VERSION_MICRO0) * 100;
4119 | fileheader->application_major = WIRESHARK_VERSION_MAJOR4;
4120 | fileheader->application_minor = WIRESHARK_VERSION_MINOR7;
4121 | fileheader->application_build = WIRESHARK_VERSION_MICRO0;
4122 |
4123 | fileheader->len_compressed = (uint64_t)bytes_written;
4124 | fileheader->len_uncompressed = (uint64_t)bytes_written;
4125 |
4126 | fileheader->obj_count = writer_data->object_count;
4127 |
4128 | if (writer_data->start_time_set) {
4129 | blf_write_date_to_blf_header(fileheader, true1, writer_data->start_time);
4130 | }
4131 |
4132 | blf_write_date_to_blf_header(fileheader, false0, writer_data->end_time);
4133 |
4134 | fix_endianness_blf_fileheader(fileheader);
4135 |
4136 | /* seek to start of file */
4137 | int64_t tmp = wtap_dump_file_seek(wdh, 0, SEEK_SET0, err);
4138 | if (*err != 0 || tmp != 0) {
4139 | return false0;
4140 | }
4141 |
4142 | if (!wtap_dump_file_write(wdh, fileheader, fileheader->header_length, err)) {
4143 | return false0;
4144 | }
4145 |
4146 | return true1;
4147 | }
4148 |
4149 | static bool_Bool blf_dump_write_logcontainer(wtap_dumper *wdh, int *err, char **err_info) {
4150 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4151 |
4152 | if (!wtap_dump_file_write(wdh, &(writer_data->logcontainer_block_header), sizeof(blf_blockheader_t), err)) {
4153 | *err = WTAP_ERR_INTERNAL-21;
4154 | *err_info = ws_strdup_printf("blf: cannot write Log Container Block Header")wmem_strdup_printf(((void*)0), "blf: cannot write Log Container Block Header" );
4155 | ws_warning("Cannot write Log Container Block Header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4155, __func__, "Cannot write Log Container Block Header"); } } while (0);
4156 | return false0;
4157 | }
4158 |
4159 | if (!wtap_dump_file_write(wdh, &(writer_data->logcontainer_header), sizeof(blf_logcontainerheader_t), err)) {
4160 | *err = WTAP_ERR_INTERNAL-21;
4161 | *err_info = ws_strdup_printf("blf: cannot write Log Container")wmem_strdup_printf(((void*)0), "blf: cannot write Log Container" );
4162 | ws_warning("Cannot write Log Container")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4162, __func__, "Cannot write Log Container"); } } while (0 );
4163 | return false0;
4164 | }
4165 |
4166 | return true1;
4167 | }
4168 |
4169 | static bool_Bool blf_dump_close_logcontainer(wtap_dumper *wdh, int *err, char **err_info) {
4170 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4171 |
4172 | int64_t current_position = wtap_dump_file_tell(wdh, err);
4173 |
4174 | int64_t tmp = wtap_dump_file_seek(wdh, writer_data->logcontainer_start, SEEK_SET0, err);
4175 | if (*err != 0 || tmp != 0) {
4176 | return false0;
4177 | }
4178 |
4179 | int64_t logcontainer_length = current_position - writer_data->logcontainer_start;
4180 | if (logcontainer_length < 32) {
4181 | *err = WTAP_ERR_INTERNAL-21;
4182 | }
4183 | writer_data->logcontainer_block_header.object_length = GUINT32_TO_LE((uint32_t)logcontainer_length)((guint32) ((uint32_t)logcontainer_length));
4184 | writer_data->logcontainer_header.uncompressed_size = GUINT32_TO_LE((uint32_t)(logcontainer_length - 32))((guint32) ((uint32_t)(logcontainer_length - 32)));
4185 |
4186 | if (!blf_dump_write_logcontainer(wdh, err, err_info)) {
4187 | return false0;
4188 | }
4189 |
4190 | tmp = wtap_dump_file_seek(wdh, current_position, SEEK_SET0, err);
4191 | if (*err != 0 || tmp != 0) {
4192 | return false0;
4193 | }
4194 |
4195 | return true1;
4196 | }
4197 |
4198 | static bool_Bool blf_dump_start_logcontainer(wtap_dumper *wdh, int *err, char **err_info) {
4199 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4200 |
4201 | if (writer_data->logcontainer_start != LOG_CONTAINER_NONE(18446744073709551615UL)) {
4202 | if (!blf_dump_close_logcontainer(wdh, err, err_info)) {
4203 | return false0;
4204 | }
4205 | }
4206 |
4207 | /* start new log container */
4208 | /* set magic */
4209 | int i;
4210 | for (i = 0; i < 4; i++) {
4211 | writer_data->logcontainer_block_header.magic[i] = blf_obj_magic[i];
4212 | }
4213 | writer_data->logcontainer_block_header.header_length = 16;
4214 | writer_data->logcontainer_block_header.header_type = 1;
4215 | writer_data->logcontainer_block_header.object_length = 32;
4216 | writer_data->logcontainer_block_header.object_type = BLF_OBJTYPE_LOG_CONTAINER10;
4217 | fix_endianness_blf_blockheader(&(writer_data->logcontainer_block_header));
4218 |
4219 | writer_data->logcontainer_header.compression_method = 0;
4220 | writer_data->logcontainer_header.res1 = 0;
4221 | writer_data->logcontainer_header.res2 = 0;
4222 | writer_data->logcontainer_header.uncompressed_size = 0;
4223 | writer_data->logcontainer_header.res4 = 0;
4224 | fix_endianness_blf_logcontainerheader(&(writer_data->logcontainer_header));
4225 |
4226 | writer_data->logcontainer_start = wtap_dump_file_tell(wdh, err);
4227 |
4228 | return blf_dump_write_logcontainer(wdh, err, err_info);
4229 | }
4230 |
4231 | static bool_Bool blf_dump_check_logcontainer_full(wtap_dumper *wdh, int *err, char **err_info, uint32_t length) {
4232 | const blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4233 |
4234 | uint64_t position = (uint64_t)wtap_dump_file_tell(wdh, err);
4235 | if (position - writer_data->logcontainer_start + length <= LOG_CONTAINER_BUFFER_SIZE10485760) {
4236 | return true1;
4237 | }
4238 |
4239 | return blf_dump_start_logcontainer(wdh, err, err_info);
4240 | }
4241 |
4242 | static bool_Bool blf_dump_objheader(wtap_dumper *wdh, int *err, uint64_t obj_timestamp, uint32_t obj_type, uint32_t obj_length) {
4243 | blf_logobjectheader_t logheader;
4244 | logheader.flags = BLF_TIMESTAMP_RESOLUTION_1NS2;
4245 | logheader.client_index = 0;
4246 | logheader.object_version = 1;
4247 | logheader.object_timestamp = obj_timestamp;
4248 | fix_endianness_blf_logobjectheader(&logheader);
4249 |
4250 | blf_blockheader_t blockheader;
4251 | /* set magic */
4252 | int i;
4253 | for (i = 0; i < 4; i++) {
4254 | blockheader.magic[i] = blf_obj_magic[i];
4255 | }
4256 | blockheader.header_length = sizeof(blf_blockheader_t) + sizeof(blf_logobjectheader_t);
4257 | blockheader.header_type = 1;
4258 | blockheader.object_length = sizeof(blf_blockheader_t) + sizeof(blf_logobjectheader_t) + obj_length;
4259 | blockheader.object_type = obj_type;
4260 | fix_endianness_blf_blockheader(&blockheader);
4261 |
4262 | if (!wtap_dump_file_write(wdh, &(blockheader), sizeof(blf_blockheader_t), err)) {
4263 | return false0;
4264 | }
4265 |
4266 | if (!wtap_dump_file_write(wdh, &(logheader), sizeof(blf_logobjectheader_t), err)) {
4267 | return false0;
4268 | }
4269 |
4270 | return true1;
4271 | }
4272 |
4273 | /* return standard direction format of BLF, RX on error or unknown */
4274 | static uint8_t blf_get_direction(const wtap_rec *rec) {
4275 | uint32_t tmp_direction = 0;
4276 | if (WTAP_OPTTYPE_SUCCESS != wtap_block_get_uint32_option_value(rec->block, OPT_PKT_FLAGS2, &tmp_direction)) {
4277 | return BLF_DIR_RX0;
4278 | }
4279 |
4280 | if (tmp_direction == PACK_FLAGS_DIRECTION_OUTBOUND2) {
4281 | return BLF_DIR_TX1;
4282 |
4283 | }
4284 |
4285 | return BLF_DIR_RX0;
4286 | }
4287 |
4288 | static bool_Bool blf_dump_ethernet(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) {
4289 | /* LINKTYPE_ETHERNET */
4290 | /* https://www.tcpdump.org/linktypes/LINKTYPE_LINUX_SLL.html */
4291 |
4292 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4293 | const blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info);
4294 |
4295 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data);
4296 | size_t length = ws_buffer_length(&rec->data);
4297 |
4298 | /* 14 bytes is the full Ethernet Header up to EtherType */
4299 | if (length < 14) {
4300 | *err = WTAP_ERR_INTERNAL-21;
4301 | *err_info = ws_strdup_printf("blf: record length %u for Ethernet message is lower than minimum of 14", (uint32_t)length)wmem_strdup_printf(((void*)0), "blf: record length %u for Ethernet message is lower than minimum of 14" , (uint32_t)length);
4302 | ws_warning("LINKTYPE_ETHERNET Data is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4302, __func__, "LINKTYPE_ETHERNET Data is too short!"); } } while (0);
4303 | return false0;
4304 | }
4305 |
4306 | uint32_t offset = 12;
4307 |
4308 | blf_ethernetframeheader_t ethheader;
4309 | ethheader.src_addr[0] = pd[6];
4310 | ethheader.src_addr[1] = pd[7];
4311 | ethheader.src_addr[2] = pd[8];
4312 | ethheader.src_addr[3] = pd[9];
4313 | ethheader.src_addr[4] = pd[10];
4314 | ethheader.src_addr[5] = pd[11];
4315 |
4316 | ethheader.channel = iface_entry->channel;
4317 |
4318 | ethheader.dst_addr[0] = pd[0];
4319 | ethheader.dst_addr[1] = pd[1];
4320 | ethheader.dst_addr[2] = pd[2];
4321 | ethheader.dst_addr[3] = pd[3];
4322 | ethheader.dst_addr[4] = pd[4];
4323 | ethheader.dst_addr[5] = pd[5];
4324 |
4325 | ethheader.direction = blf_get_direction(rec);
4326 |
4327 | uint16_t eth_type = pntohu16(pd + offset);
4328 | offset += 2;
4329 |
4330 | if (eth_type == 0x8100 || eth_type == 0x9100 || eth_type == 0x88a8) {
4331 | ethheader.tpid = eth_type;
4332 | ethheader.tci = pntohu16(pd + offset);
4333 | offset += 2;
4334 |
4335 | eth_type = pntohu16(pd + offset);
4336 | offset += 2;
4337 | } else {
4338 | ethheader.tpid = 0;
4339 | ethheader.tci = 0;
4340 | }
4341 |
4342 | ethheader.ethtype = eth_type;
4343 | ethheader.payloadlength = rec->rec_header.packet_header.caplen - offset;
4344 | ethheader.res = 0;
4345 | fix_endianness_blf_ethernetframeheader(&ethheader);
4346 |
4347 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_ETHERNET_FRAME71, sizeof(blf_ethernetframeheader_t) + ethheader.payloadlength)) {
4348 | return false0;
4349 | }
4350 |
4351 | if (!wtap_dump_file_write(wdh, &(ethheader), sizeof(blf_ethernetframeheader_t), err)) {
4352 | return false0;
4353 | }
4354 |
4355 | if (!wtap_dump_file_write(wdh, &(pd[offset]), ethheader.payloadlength, err)) {
4356 | return false0;
4357 | }
4358 |
4359 | /* Add strange padding to 4 bytes. */
4360 | uint8_t padding_needed = (sizeof(blf_ethernetframeheader_t) + ethheader.payloadlength) % 4;
4361 | return blf_write_add_padding(wdh, err, padding_needed);
4362 | }
4363 |
4364 | static bool_Bool blf_dump_socketcanxl(wtap_dumper *wdh, const wtap_rec *rec, int *err _U___attribute__((unused)), char **err_info _U___attribute__((unused)), uint64_t obj_timestamp,
4365 | const uint8_t *pd, size_t length, bool_Bool is_rx, bool_Bool is_tx) {
4366 | /* LINKTYPE_CAN_SOCKETCAN */
4367 | /* https://www.tcpdump.org/linktypes/LINKTYPE_CAN_SOCKETCAN.html */
4368 |
4369 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4370 | blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info);
4371 |
4372 | uint8_t socketcan_vcid = pd[1];
4373 | uint16_t socketcan_id = pntohu16(pd + 2) & CAN_SFF_MASK0x000007FF;
4374 | uint8_t socketcan_flags = pd[4];
4375 | uint8_t socketcan_sdut = pd[5];
4376 | uint16_t socketcan_payload_length = pletohu16(pd + 6);
4377 |
4378 | if ((socketcan_flags & CANXL_XLF0x80) != CANXL_XLF0x80) {
4379 | *err = WTAP_ERR_INTERNAL-21;
4380 | *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!" );
4381 | ws_error("LINKTYPE_CAN_SOCKETCAN CAN XL flag not set for CAN XL?")ws_log_fatal_full("Wiretap", LOG_LEVEL_ERROR, "wiretap/blf.c" , 4381, __func__, "LINKTYPE_CAN_SOCKETCAN CAN XL flag not set for CAN XL?" );
4382 | return false0;
4383 | }
4384 |
4385 | if (length < (size_t)socketcan_payload_length + 12) {
4386 | *err = WTAP_ERR_INTERNAL-21;
4387 | *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);
4388 | ws_error("LINKTYPE_CAN_SOCKETCAN header is too short (CAN XL)!")ws_log_fatal_full("Wiretap", LOG_LEVEL_ERROR, "wiretap/blf.c" , 4388, __func__, "LINKTYPE_CAN_SOCKETCAN header is too short (CAN XL)!" );
4389 | return false0;
4390 | }
4391 | uint32_t socketcan_acceptance_field = pletohu32(pd + 8);
4392 |
4393 | /* LINKTYPE_LINUX_SLL would have set is_tx or is_rx */
4394 | uint8_t frame_dir = is_tx ? BLF_DIR_TX1 : BLF_DIR_RX0;
4395 | if (!is_rx && !is_tx) {
4396 | frame_dir = blf_get_direction(rec);
4397 | }
4398 |
4399 | blf_canxlchannelframe_t canxl = {0};
4400 | canxl.channel = (uint8_t)iface_entry->channel;
4401 | canxl.dir = frame_dir;
4402 | canxl.frameIdentifier = socketcan_id;
4403 | canxl.serviceDataUnitType = socketcan_sdut;
4404 | canxl.dlc = socketcan_payload_length - 1;
4405 | canxl.dataLength = socketcan_payload_length;
4406 | canxl.virtualControllerAreaNetChannelID = socketcan_vcid;
4407 | canxl.acceptanceField = socketcan_acceptance_field;
4408 |
4409 | if ((socketcan_flags & CANXL_XLF0x80) == CANXL_XLF0x80) {
4410 | /* should be always true but we might refactor */
4411 | canxl.flags |= BLF_CANXLCHANNELFRAME_FLAG_XLF0x400000;
4412 | }
4413 | if ((socketcan_flags & CANXL_SEC0x01) == CANXL_SEC0x01) {
4414 | canxl.flags |= BLF_CANXLCHANNELFRAME_FLAG_SEC0x1000000;
4415 | }
4416 | if ((socketcan_flags & CANXL_RRS0x02) == CANXL_RRS0x02) {
4417 | canxl.flags |= BLF_CANXLCHANNELFRAME_FLAG_RRS0x800000;
4418 | }
4419 |
4420 | fix_endianness_blf_canxlchannelframe(&canxl);
4421 |
4422 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_CAN_XL_CHANNEL_FRAME139, sizeof(blf_canxlchannelframe_t) + socketcan_payload_length)) {
4423 | return false0;
4424 | }
4425 |
4426 | if (!wtap_dump_file_write(wdh, &(canxl), sizeof(blf_canxlchannelframe_t), err)) {
4427 | return false0;
4428 | }
4429 |
4430 | if (!wtap_dump_file_write(wdh, &(pd[12]), socketcan_payload_length, err)) {
4431 | return false0;
4432 | }
4433 |
4434 | return true1;
4435 | }
4436 |
4437 | static const uint8_t canfd_length_to_dlc[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 0, 0, 9, 0, 0, 0,
4438 | 10, 0, 0, 0, 11, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0,
4439 | 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
4440 | 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
4441 | 15 };
4442 |
4443 | static bool_Bool blf_dump_socketcan(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp,
4444 | const uint8_t *pd, size_t length, bool_Bool is_can, bool_Bool is_canfd, bool_Bool is_rx, bool_Bool is_tx) {
4445 | /* LINKTYPE_CAN_SOCKETCAN */
4446 | /* https://www.tcpdump.org/linktypes/LINKTYPE_CAN_SOCKETCAN.html */
4447 |
4448 | if (length < 8) {
4449 | *err = WTAP_ERR_INTERNAL-21;
4450 | *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);
4451 | ws_warning("LINKTYPE_CAN_SOCKETCAN header is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4451, __func__, "LINKTYPE_CAN_SOCKETCAN header is too short!" ); } } while (0);
4452 | return false0;
4453 | }
4454 |
4455 | /* check for CAN-XL */
4456 | if ((pd[4] & CANXL_XLF0x80) == CANXL_XLF0x80) {
4457 | return blf_dump_socketcanxl(wdh, rec, err, err_info, obj_timestamp, pd, length, is_rx, is_tx);
4458 | }
4459 |
4460 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4461 | blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info);
4462 |
4463 | uint8_t payload_length = pd[4];
4464 |
4465 | if (length < (size_t)payload_length + 8) {
4466 | *err = WTAP_ERR_INTERNAL-21;
4467 | *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);
4468 | ws_warning("LINKTYPE_CAN_SOCKETCAN header is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4468, __func__, "LINKTYPE_CAN_SOCKETCAN header is too short!" ); } } while (0);
4469 | return false0;
4470 | }
4471 |
4472 | /* LINKTYPE_LINUX_SLL would have set is_tx or is_rx */
4473 | uint8_t frame_dir = is_tx ? BLF_DIR_TX1 : BLF_DIR_RX0;
4474 | if (!is_rx && !is_tx) {
4475 | frame_dir = blf_get_direction(rec);
4476 | }
4477 |
4478 | bool_Bool canfd = is_canfd;
4479 |
4480 | /* LINKTYPE_LINUX_SLL would have set one */
4481 | if (!is_can && !is_canfd) {
4482 | if ((pd[5] & CANFD_FDF0x04) == CANFD_FDF0x04) {
4483 | canfd = true1;
4484 | } else {
4485 | /* heuristic. if longer than header + 8 bytes data, its CAN-FD*/
4486 | canfd = rec->rec_header.packet_header.caplen > 16;
4487 | }
4488 | }
4489 |
4490 | /* XXX endianness is not defined. Assuming BE as this seems the common choice*/
4491 | uint32_t can_id = pntohu32(pd);
4492 |
4493 | /* lets check if can_id makes sense
4494 | * 29bit CAN ID mask 0x1fffffff CAN_EFF_MASK
4495 | * 11bit CAN ID mask 0x000007ff CAN_SFF_MASK
4496 | * 29 only bits 0x1ffff800 CAN_EFF_MASK & !CAN_SFF_MASK
4497 | */
4498 | if (((can_id & CAN_EFF_FLAG0x80000000) == 0) && ((can_id & (CAN_EFF_MASK0x1FFFFFFF & (!CAN_SFF_MASK0x000007FF))) != 0)) {
4499 | 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);
4500 | can_id = pletohu32(pd);
4501 | }
4502 |
4503 | bool_Bool err_flag = (can_id & CAN_ERR_FLAG0x20000000) == CAN_ERR_FLAG0x20000000;
4504 | bool_Bool rtr_flag = (can_id & CAN_RTR_FLAG0x40000000) == CAN_RTR_FLAG0x40000000;
4505 | //bool ext_id_flag = (can_id & CAN_EFF_FLAG) == CAN_EFF_FLAG;
4506 | can_id &= (CAN_EFF_MASK0x1FFFFFFF | CAN_EFF_FLAG0x80000000);
4507 |
4508 | if (canfd) {
4509 | /* CAN-FD */
4510 | bool_Bool brs_flag = (pd[5] & CANFD_BRS0x01) == CANFD_BRS0x01;
4511 | bool_Bool esi_flag = (pd[5] & CANFD_ESI0x02) == CANFD_ESI0x02;
4512 | bool_Bool fdf_flag = (pd[5] & CANFD_FDF0x04) == CANFD_FDF0x04;
4513 |
4514 | blf_canfdmessage64_t canfdmsg;
4515 | canfdmsg.channel = (uint8_t)iface_entry->channel;
4516 |
4517 | canfdmsg.dlc = (payload_length <= 64) ? canfd_length_to_dlc[payload_length] : 0;
4518 | canfdmsg.validDataBytes = payload_length;
4519 | canfdmsg.txCount = 0;
4520 | canfdmsg.id = can_id;
4521 | canfdmsg.frameLength_in_ns = 0;
4522 | canfdmsg.flags = 0;
4523 |
4524 | /* TODO: fdf_flag is not always set for CAN-FD */
4525 | if (fdf_flag) {
4526 | canfdmsg.flags = BLF_CANFDMESSAGE64_FLAG_EDL0x001000; // CAN-FD
4527 | } else {
4528 | 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" , 4528, __func__, "CAN-FD has not CANFD_FDF set. File not correct." ); } } while (0);
4529 | }
4530 | if (brs_flag) {
4531 | canfdmsg.flags |= BLF_CANFDMESSAGE64_FLAG_BRS0x002000;
4532 | }
4533 | if (esi_flag) {
4534 | canfdmsg.flags |= BLF_CANFDMESSAGE64_FLAG_ESI0x004000;
4535 | }
4536 |
4537 | canfdmsg.btrCfgArb = 0;
4538 | canfdmsg.btrCfgData = 0;
4539 | canfdmsg.timeOffsetBrsNs = 0;
4540 | canfdmsg.timeOffsetCrcDelNs = 0;
4541 | canfdmsg.bitCount = 0;
4542 | canfdmsg.dir = frame_dir;
4543 | canfdmsg.extDataOffset = 0;
4544 | canfdmsg.crc = 0;
4545 |
4546 | fix_endianness_blf_canfdmessage64(&canfdmsg);
4547 |
4548 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_CAN_FD_MESSAGE_64101, sizeof(blf_canfdmessage64_t) + payload_length)) {
4549 | return false0;
4550 | }
4551 |
4552 | if (!wtap_dump_file_write(wdh, &(canfdmsg), sizeof(blf_canfdmessage64_t), err)) {
4553 | return false0;
4554 | }
4555 | } else {
4556 | /* CAN */
4557 | blf_canmessage_t canmsg;
4558 |
4559 | if (payload_length > 8) {
4560 | 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" , 4560, __func__, "CAN frames can only have up to 8 bytes of payload! We have %d bytes" , payload_length); } } while (0);
4561 | payload_length = 8;
4562 | }
4563 |
4564 | canmsg.dlc = payload_length;
4565 | canmsg.channel = iface_entry->channel;
4566 |
4567 | canmsg.flags = 0;
4568 | if (frame_dir == BLF_DIR_TX1) {
4569 | canmsg.flags |= BLF_CANMESSAGE_FLAG_TX0x01;
4570 | }
4571 |
4572 | if (err_flag) {
4573 | // TODO: we need to implement CAN ERROR, ignore for now
4574 | return true1;
4575 | //canmsg.flags |= BLF_CANMESSAGE_FLAG_NERR; - NERR is not error
4576 | }
4577 |
4578 | if (rtr_flag) {
4579 | canmsg.flags |= BLF_CANMESSAGE_FLAG_RTR0x80;
4580 | }
4581 |
4582 | canmsg.id = can_id;
4583 |
4584 | fix_endianness_blf_canmessage(&canmsg);
4585 |
4586 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_CAN_MESSAGE1, sizeof(blf_canmessage_t) + 8)) {
4587 | return false0;
4588 | }
4589 |
4590 | if (!wtap_dump_file_write(wdh, &(canmsg), sizeof(blf_canmessage_t), err)) {
4591 | return false0;
4592 | }
4593 | }
4594 |
4595 | if (!wtap_dump_file_write(wdh, &(pd[8]), payload_length, err)) {
4596 | return false0;
4597 | }
4598 |
4599 | if (!canfd && payload_length < 8) {
4600 | uint8_t padding[8] = { 0 };
4601 | if (!wtap_dump_file_write(wdh, &padding, 8 - payload_length, err)) {
4602 | return false0;
4603 | }
4604 | }
4605 |
4606 | /* no padding */
4607 |
4608 | return true1;
4609 | }
4610 |
4611 | static bool_Bool blf_dump_sll(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) {
4612 | /* Linux Cooked CAN / CAN-FD */
4613 | /* https://www.tcpdump.org/linktypes/LINKTYPE_LINUX_SLL.html */
4614 |
4615 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data);
4616 | size_t length = ws_buffer_length(&rec->data);
4617 |
4618 | if (length < 16) {
4619 | *err = WTAP_ERR_INTERNAL-21;
4620 | *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);
4621 | ws_warning("LINKTYPE_LINUX_SLL header is too short!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4621, __func__, "LINKTYPE_LINUX_SLL header is too short!"); } } while (0);
4622 | return false0;
4623 | }
4624 |
4625 | bool_Bool frame_tx = false0;
4626 | if (pd[0] == 0 && pd[1] == 4) {
4627 | frame_tx = true1;
4628 | }
4629 |
4630 | uint16_t protocol_type = pntohu16(pd + 14);
4631 |
4632 | switch (protocol_type) {
4633 | case 0x000C: /* CAN */
4634 | return blf_dump_socketcan(wdh, rec, err, err_info, obj_timestamp, &(pd[16]), length - 16, true1, false0, !frame_tx, frame_tx);
4635 | break;
4636 | case 0x000D: /* CAN-FD */
4637 | return blf_dump_socketcan(wdh, rec, err, err_info, obj_timestamp, &(pd[16]), length - 16, false0, true1, !frame_tx, frame_tx);
4638 | break;
4639 | case 0x000E: /* CAN-XL */
4640 | return blf_dump_socketcanxl(wdh, rec, err, err_info, obj_timestamp, &(pd[16]), length - 16, !frame_tx, frame_tx);
4641 | break;
4642 | default:
4643 | return false0;
4644 | }
4645 |
4646 | /* not reachable? */
4647 | return true1;
4648 | }
4649 |
4650 | static bool_Bool blf_dump_flexray(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) {
4651 | /* FlexRay */
4652 | /* https://www.tcpdump.org/linktypes/LINKTYPE_FLEXRAY.html */
4653 |
4654 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4655 | blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info);
4656 |
4657 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data);
4658 | size_t length = ws_buffer_length(&rec->data);
4659 |
4660 | if (length < 1) {
4661 | *err = WTAP_ERR_INTERNAL-21;
4662 | *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);
4663 | ws_warning("LINKTYPE_FLEXRAY header is too short (< 1 Byte)!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4663, __func__, "LINKTYPE_FLEXRAY header is too short (< 1 Byte)!" ); } } while (0);
4664 | return false0;
4665 | }
4666 |
4667 | /* Check Measurement Header for Type */
4668 | if ((pd[0] & FLEXRAY_TYPE_MASK0x7f) == FLEXRAY_SYMBOL0x02) {
4669 | /* Symbol */
4670 |
4671 | if (length < 2) {
4672 | *err = WTAP_ERR_INTERNAL-21;
4673 | *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);
4674 | ws_warning("LINKTYPE_FLEXRAY Symbol is too short (< 2 Byte)!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4674, __func__, "LINKTYPE_FLEXRAY Symbol is too short (< 2 Byte)!" ); } } while (0);
4675 | return false0;
4676 | }
4677 |
4678 | /* TODO: SYMBOL */
4679 |
4680 | return true1;
4681 | }
4682 |
4683 | if ((pd[0] & FLEXRAY_TYPE_MASK0x7f) == FLEXRAY_FRAME0x01) {
4684 | /* Frame */
4685 |
4686 | if (length < 2 + FLEXRAY_HEADER_LENGTH5) {
4687 | *err = WTAP_ERR_INTERNAL-21;
4688 | *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);
4689 | ws_warning("LINKTYPE_FLEXRAY Frame Header is too short (< 7 Byte)!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4689, __func__, "LINKTYPE_FLEXRAY Frame Header is too short (< 7 Byte)!" ); } } while (0);
4690 | return false0;
4691 | }
4692 |
4693 | uint8_t payload_length = pd[4] & FLEXRAY_LENGTH_MASK0xfe;
4694 |
4695 | /* FLEXRAY FRAME */
4696 | blf_flexrayrcvmessage_t frmsg;
4697 |
4698 | frmsg.channel = (uint16_t)iface_entry->channel;
4699 | frmsg.version = 1;
4700 |
4701 | uint32_t header_crc = (pntohu24(pd + 4) & FLEXRAY_HEADER_CRC_MASK0x01ffc0) >> FLEXRAY_HEADER_CRC_SHFT6;
4702 |
4703 | if ((pd[0] & FLEXRAY_CHANNEL_MASK0x80) == 0) {
4704 | frmsg.channelMask = BLF_FLEXRAYRCVMSG_CHANNELMASK_A0x01;
4705 | frmsg.headerCrc1 = header_crc;
4706 | frmsg.headerCrc2 = 0;
4707 | } else {
4708 | frmsg.channelMask = BLF_FLEXRAYRCVMSG_CHANNELMASK_B0x02;
4709 | frmsg.headerCrc1 = 0;
4710 | frmsg.headerCrc2 = header_crc;
4711 | }
4712 |
4713 | frmsg.dir = blf_get_direction(rec);
4714 | frmsg.clientIndex = 0;
4715 | frmsg.clusterNo = 0;
4716 | frmsg.frameId = (pntohu16(pd + 2)) & FLEXRAY_ID_MASK0x07ff;
4717 | frmsg.payloadLength = payload_length;
4718 | frmsg.payloadLengthValid = payload_length;
4719 | frmsg.cycle = pd[6] & FLEXRAY_CC_MASK0x3f;
4720 | frmsg.tag = 0;
4721 | frmsg.data = 0;
4722 | frmsg.frameFlags = 0;
4723 |
4724 | /* The NULL Flag 1 -> False */
4725 | bool_Bool null_frame = (pd[2] & FLEXRAY_NFI_MASK0x20) != FLEXRAY_NFI_MASK0x20;
4726 |
4727 | if (null_frame) {
4728 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_NULL_FRAME0x00000001;
4729 | /* LINKTYPE_FLEXRAY has no payload for Null Frames present */
4730 | payload_length = 0;
4731 | }
4732 |
4733 | /* TODO: check truncated data */
4734 | if (payload_length > 0) {
4735 | /* Data Valid*/
4736 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_VALID_DATA0x00000002;
4737 | }
4738 |
4739 | if ((pd[2] & FLEXRAY_SFI_MASK0x10) == FLEXRAY_SFI_MASK0x10) {
4740 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_SYNC0x00000004;
4741 | }
4742 |
4743 | if ((pd[2] & FLEXRAY_STFI_MASK0x08) == FLEXRAY_STFI_MASK0x08) {
4744 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_STARTUP0x00000008;
4745 | }
4746 |
4747 | if ((pd[2] & FLEXRAY_PPI_MASK0x40) == FLEXRAY_PPI_MASK0x40) {
4748 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_PAYLOAD_PREAM0x00000010;
4749 | }
4750 |
4751 | if ((pd[2] & FLEXRAY_RES_MASK0x80) == FLEXRAY_RES_MASK0x80) {
4752 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_RES_200x00000020;
4753 | }
4754 |
4755 | /* if any error flag is set */
4756 | if ((pd[1] & FLEXRAY_ERRORS_DEFINED0x1f) != 0x00) {
4757 | frmsg.frameFlags &= BLF_FLEXRAYRCVMSG_FRAME_FLAG_ERROR0x00000040;
4758 | }
4759 |
4760 | /* Not sure how to determine this as we do not know the low level parameters */
4761 | //if ( ) {
4762 | // /* DYNAMIC SEG =1 (Bit 20)*/
4763 | // frmsg.frameFlags &= 0x100000;
4764 | //}
4765 |
4766 | frmsg.appParameter = 0;
4767 |
4768 | fix_endianness_blf_flexrayrcvmessage(&frmsg);
4769 |
4770 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_FLEXRAY_RCVMESSAGE50, sizeof(blf_flexrayrcvmessage_t) + 254)) {
4771 | return false0;
4772 | }
4773 |
4774 | if (!wtap_dump_file_write(wdh, &(frmsg), sizeof(blf_flexrayrcvmessage_t), err)) {
4775 | return false0;
4776 | }
4777 |
4778 | if (length < (size_t)payload_length + 2 + FLEXRAY_HEADER_LENGTH5) {
4779 | *err = WTAP_ERR_INTERNAL-21;
4780 | *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);
4781 | ws_warning("LINKTYPE_FLEXRAY Frame truncated!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4781, __func__, "LINKTYPE_FLEXRAY Frame truncated!"); } } while (0);
4782 | return false0;
4783 | }
4784 |
4785 | if (payload_length > 0) {
4786 | if (!wtap_dump_file_write(wdh, &(pd[7]), payload_length, err)) {
4787 | return false0;
4788 | }
4789 | }
4790 |
4791 | const uint8_t zero_bytes[256] = { 0 };
4792 |
4793 | if (payload_length < 254) {
4794 | if (!wtap_dump_file_write(wdh, &zero_bytes[0], 254 - payload_length, err)) {
4795 | return false0;
4796 | }
4797 | }
4798 |
4799 | return true1;
4800 | }
4801 |
4802 | /* no padding */
4803 |
4804 | return true1;
4805 | }
4806 |
4807 | static bool_Bool blf_dump_lin(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) {
4808 | /* LIN */
4809 | /* https://www.tcpdump.org/linktypes/LINKTYPE_LIN.html */
4810 |
4811 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4812 | blf_channel_to_iface_entry_t *iface_entry = blf_dump_get_interface_mapping(wdh, rec, err, err_info);
4813 |
4814 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data);
4815 | size_t length = ws_buffer_length(&rec->data);
4816 |
4817 | if (length < 8) {
4818 | *err = WTAP_ERR_INTERNAL-21;
4819 | *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);
4820 | ws_warning("LIN Data is too short (less than 8 bytes)!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4820, __func__, "LIN Data is too short (less than 8 bytes)!" ); } } while (0);
4821 | return false0;
4822 | }
4823 |
4824 | uint8_t lin_err = pd[7] & 0x3f;
4825 | if (lin_err != 0) {
4826 | // TODO: handle LIN errors
4827 | return true1;
4828 | }
4829 |
4830 | int i;
4831 | uint8_t dlc = (pd[4] & LIN_PAYLOAD_LENGTH_MASK0xf0) >> 4;
4832 | uint8_t msg_type = (pd[4] & LIN_MSG_TYPE_MASK0x0c) >> 2;
4833 |
4834 | if (msg_type != LIN_MSG_TYPE_FRAME0) {
4835 | // TODO: handle LIN events
4836 | return true1;
4837 | }
4838 |
4839 | /* we need to have at least the data */
4840 | if (length < (size_t)dlc + 8) {
4841 | *err = WTAP_ERR_INTERNAL-21;
4842 | *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);
4843 | ws_error("LIN Data is too short (less than needed)!")ws_log_fatal_full("Wiretap", LOG_LEVEL_ERROR, "wiretap/blf.c" , 4843, __func__, "LIN Data is too short (less than needed)!" );
4844 | return false0;
4845 | }
4846 |
4847 | /* we ignore padding as we do not need it anyhow */
4848 |
4849 | blf_linmessage_t linmsg;
4850 | linmsg.channel = (uint16_t)iface_entry->channel;
4851 | linmsg.id = pd[5];
4852 | linmsg.dlc = dlc;
4853 | for (i = 0; i < 8; i++) {
4854 | if (i < dlc) {
4855 | linmsg.data[i] = pd[i + 8];
4856 | } else {
4857 | linmsg.data[i] = 0;
4858 | }
4859 | }
4860 | linmsg.fsmId = 0;
4861 | linmsg.fsmState = 0;
4862 | linmsg.headerTime = 0;
4863 | linmsg.fullTime = 0;
4864 | linmsg.crc = pd[6];
4865 | linmsg.dir = blf_get_direction(rec);
4866 | linmsg.res1 = 0;
4867 |
4868 | fix_endianness_blf_linmessage(&linmsg);
4869 |
4870 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_LIN_MESSAGE11, sizeof(blf_linmessage_t) + 4)) {
4871 | return false0;
4872 | }
4873 |
4874 | if (!wtap_dump_file_write(wdh, &(linmsg), sizeof(blf_linmessage_t), err)) {
4875 | return false0;
4876 | }
4877 |
4878 | uint8_t rest_of_header[4] = { 0, 0, 0, 0};
4879 |
4880 | if (!wtap_dump_file_write(wdh, &(rest_of_header), 4, err)) {
4881 | return false0;
4882 | }
4883 |
4884 | /* no padding! */
4885 |
4886 | return true1;
4887 | }
4888 |
4889 | static bool_Bool blf_dump_upper_pdu(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info, uint64_t obj_timestamp) {
4890 | const blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
4891 |
4892 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data);
4893 | size_t length = ws_buffer_length(&rec->data);
4894 |
4895 | unsigned tag_diss_pos = 0;
4896 | size_t tag_diss_len = 0;
4897 | unsigned col_proto_pos = 0;
4898 | size_t col_proto_len = 0;
4899 | unsigned col_info_pos = 0;
4900 | size_t col_info_len = 0;
4901 |
4902 | /* parse the tags */
4903 | size_t pos = 0;
4904 | bool_Bool done = false0;
4905 | while (!done) {
4906 | if (length - pos < 4) {
4907 | *err = WTAP_ERR_INTERNAL-21;
4908 | *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);
4909 | ws_warning("Upper PDU has truncated tags!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4909, __func__, "Upper PDU has truncated tags!"); } } while (0);
4910 | return false0;
4911 | }
4912 |
4913 | uint16_t tag_type = pntohu16(pd + pos);
4914 | uint16_t tag_len = pntohu16(pd + pos + 2);
4915 |
4916 | if ((length - pos) < (size_t)tag_len + 4) {
4917 | *err = WTAP_ERR_INTERNAL-21;
4918 | *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);
4919 | ws_warning("Upper PDU has truncated tags!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 4919, __func__, "Upper PDU has truncated tags!"); } } while (0);
4920 | return false0;
4921 | }
4922 |
4923 | switch (tag_type) {
4924 | case EXP_PDU_TAG_DISSECTOR_NAME12:
4925 | tag_diss_pos = (unsigned)pos + 4;
4926 | tag_diss_len = tag_len;
4927 | break;
4928 |
4929 | case EXP_PDU_TAG_COL_PROT_TEXT33:
4930 | col_proto_pos = (unsigned)pos + 4;
4931 | col_proto_len = tag_len;
4932 | break;
4933 |
4934 | case EXP_PDU_TAG_COL_INFO_TEXT36:
4935 | col_info_pos = (unsigned)pos + 4;
4936 | col_info_len = tag_len;
4937 | break;
4938 |
4939 | case EXP_PDU_TAG_END_OF_OPT0:
4940 | done = true1;
4941 | break;
4942 | }
4943 |
4944 | pos += 4;
4945 | pos += tag_len;
4946 | }
4947 |
4948 | /* strip zero termination, if existing */
4949 | while (pd[tag_diss_pos + tag_diss_len - 1] == 0) {
4950 | tag_diss_len -= 1;
4951 | }
4952 |
4953 | while (pd[col_proto_pos + col_proto_len - 1] == 0) {
4954 | col_proto_len -= 1;
4955 | }
4956 |
4957 | while (pd[col_info_pos + col_info_len - 1] == 0) {
4958 | col_info_len -= 1;
4959 | }
4960 |
4961 | 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)) {
4962 | 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)) {
4963 | blf_apptext_t apptext_header;
4964 | apptext_header.source = BLF_APPTEXT_METADATA0x00000002;
4965 | apptext_header.reservedAppText1 = 0;
4966 | apptext_header.reservedAppText2 = 412; /* not sure what to put in but this is commonly used!? */
4967 | uint32_t payload_len = (uint32_t)(length - pos);
4968 | apptext_header.textLength = payload_len;
4969 |
4970 | /* Metadata */
4971 | /* tags: BLF_APPTEXT_TAG_DISS_DEFAULT, BLF_APPTEXT_COL_PROT_TEXT, BLF_APPTEXT_COL_INFO_TEXT_... */
4972 | 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)) {
4973 | /* BLF_APPTEXT_METADATA: BLF_APPTEXT_XML_GENERAL */
4974 | apptext_header.reservedAppText1 = (BLF_APPTEXT_XML_GENERAL0x01 << 24) | (0xffffff & payload_len);
4975 | } 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)) {
4976 | /* BLF_APPTEXT_METADATA: BLF_APPTEXT_XML_CHANNELS */
4977 | if (writer_data->iface_to_channel_names_recovered) {
4978 | apptext_header.reservedAppText1 = (BLF_APPTEXT_XML_CHANNELS0x02 << 24) | (0xffffff & payload_len);
4979 | }
4980 | } 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)) {
4981 | /* BLF_APPTEXT_METADATA: BLF_APPTEXT_XML_IDENTITY */
4982 | apptext_header.reservedAppText1 = (BLF_APPTEXT_XML_IDENTITY0x03 << 24) | (0xffffff & payload_len);
4983 |
4984 | //} else if
4985 | /* BLF_APPTEXT_COMMENT */
4986 | /* tags: BLF_APPTEXT_TAG_DISS_DEFAULT, BLF_APPTEXT_COL_PROT_TEXT, "Comment: %s" */
4987 | // TODO
4988 | //} else if
4989 | /* BLF_APPTEXT_ATTACHMENT */
4990 | /* tags: BLF_APPTEXT_TAG_DISS_DEFAULT, BLF_APPTEXT_COL_PROT_TEXT, "Attachment: %s" */
4991 | // TODO
4992 | //} else if
4993 | /* BLF_APPTEXT_TRACELINE */
4994 | /* tags: BLF_APPTEXT_TAG_DISS_DEFAULT, BLF_APPTEXT_COL_PROT_TEXT, "Trace line%s: %s" */
4995 | // TODO
4996 | } else {
4997 | return true1; /* just leave */
4998 | }
4999 |
5000 | if (payload_len > 2048 && (apptext_header.source != BLF_APPTEXT_METADATA0x00000002)) {
5001 | ws_warning("Only Meta Data can be broken into smaller chunks!")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_WARNING, "wiretap/blf.c" , 5001, __func__, "Only Meta Data can be broken into smaller chunks!" ); } } while (0);
5002 | }
5003 |
5004 | uint32_t chunk_size;
5005 | bool_Bool last_round = false0;
5006 | do {
5007 | if (payload_len > 2048 && apptext_header.source == BLF_APPTEXT_METADATA0x00000002) {
5008 | chunk_size = 2048;
5009 | } else {
5010 | chunk_size = payload_len;
5011 | last_round = true1;
5012 | }
5013 |
5014 | if (!blf_dump_objheader(wdh, err, obj_timestamp, BLF_OBJTYPE_APP_TEXT65, sizeof(blf_apptext_t) + chunk_size)) {
5015 | return false0;
5016 | }
5017 |
5018 | if (apptext_header.source == BLF_APPTEXT_METADATA0x00000002) {
5019 | apptext_header.reservedAppText1 = (0xff000000 & apptext_header.reservedAppText1) | (0x00ffffff & payload_len);
5020 | }
5021 |
5022 | apptext_header.textLength = chunk_size;
5023 | fix_endianness_blf_apptext_header(&apptext_header);
5024 | if (!wtap_dump_file_write(wdh, &(apptext_header), sizeof(blf_apptext_t), err)) {
5025 | return false0;
5026 | }
5027 | if (!last_round) {
5028 | fix_endianness_blf_apptext_header(&apptext_header);
5029 | }
5030 |
5031 | if (!wtap_dump_file_write(wdh, &(pd[pos]), chunk_size, err)) {
5032 | return false0;
5033 | }
5034 | pos += chunk_size;
5035 |
5036 | /* Add strange padding to 4 bytes. */
5037 | uint8_t padding_needed = (sizeof(blf_apptext_t) + chunk_size) % 4;
5038 | if (!blf_write_add_padding(wdh, err, padding_needed)) {
5039 | return false0;
5040 | }
5041 |
5042 | if (!last_round) {
5043 | payload_len -= 2048;
5044 | }
5045 | } while (!last_round);
5046 |
5047 | return true1;
5048 | }
5049 | // else if
5050 | /* BLF_OBJTYPE_ETHERNET_STATUS */
5051 | /* tags: BLF_APPTEXT_TAG_DISS_ETHSTATUS */
5052 | // TODO
5053 |
5054 | // else if
5055 | /* BLF_OBJTYPE_ETHERNET_PHY_STATE */
5056 | /* tags: BLF_APPTEXT_TAG_DISS_ETHPHYSTATUS */
5057 | // TODO
5058 | }
5059 |
5060 | return true1;
5061 | }
5062 |
5063 | static bool_Bool blf_dump_interface_setup_by_blf_based_idb_desc(wtap_dumper *wdh, int *err _U___attribute__((unused))) {
5064 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
5065 | bool_Bool iface_descr_found;
5066 |
5067 | /* check all interfaces first to avoid inconsistent state */
5068 | for (unsigned i = 0; i < wdh->interface_data->len; i++) {
5069 | ws_debug("interface: %d (pass 1)", i)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5069, __func__, "interface: %d (pass 1)", i); } } while (0);
5070 |
5071 | /* get interface data */
5072 | wtap_block_t idb = g_array_index(wdh->interface_data, wtap_block_t, i)(((wtap_block_t*) (void *) (wdh->interface_data)->data) [(i)]);
5073 | if (idb == NULL((void*)0)) {
5074 | return false0;
5075 | }
5076 |
5077 | char *iface_descr = NULL((void*)0);
5078 | iface_descr_found = wtap_block_get_string_option_value(idb, OPT_IDB_DESCRIPTION3, &iface_descr) == WTAP_OPTTYPE_SUCCESS;
5079 |
5080 | if (!iface_descr_found) {
5081 | 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" , 5081, __func__, "IDB interface description not found! We need to map the interfaces." ); } } while (0);
5082 | return false0;
5083 | }
5084 |
5085 | if (strncmp(iface_descr, "BLF-", 4) != 0) {
5086 | 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" , 5086, __func__, "IDB interface description found but not BLF format! We have to map freely the interfaces." ); } } while (0);
5087 | return false0;
5088 | }
5089 | }
5090 |
5091 | for (unsigned i = 0; i < wdh->interface_data->len; i++) {
5092 | ws_debug("interface: %d (pass 2)", i)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5092, __func__, "interface: %d (pass 2)", i); } } while (0);
5093 |
5094 | /* get interface data */
5095 | wtap_block_t idb = g_array_index(wdh->interface_data, wtap_block_t, i)(((wtap_block_t*) (void *) (wdh->interface_data)->data) [(i)]);
5096 | if (idb == NULL((void*)0)) {
5097 | return false0;
5098 | }
5099 |
5100 | char *iface_descr = NULL((void*)0);
5101 | iface_descr_found = wtap_block_get_string_option_value(idb, OPT_IDB_DESCRIPTION3, &iface_descr);
5102 |
5103 | if (!iface_descr_found) {
5104 | /* This cannot be reached but it removes a warning. */
5105 | 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" , 5105, __func__, "IDB interface description not found! We need to map the interfaces." ); } } while (0);
5106 | return false0;
5107 | }
5108 |
5109 | if (strncmp(iface_descr, "BLF-ETH-", 8) == 0) {
5110 | char *endptr;
5111 | uint16_t channel = (uint16_t)strtol(&iface_descr[8], &endptr, 16);
5112 | uint16_t hwchannel = (uint16_t)strtol(&endptr[1], NULL((void*)0), 16);
5113 |
5114 | if (!blf_dump_set_interface_mapping(wdh, i, WTAP_ENCAP_ETHERNET1, channel, hwchannel)) {
5115 | return false0;
5116 | }
5117 | } else if (strncmp(iface_descr, "BLF-CAN-", 8) == 0) {
5118 | uint16_t channel = (uint16_t)strtol(&iface_descr[8], NULL((void*)0), 16);
5119 |
5120 | if (!blf_dump_set_interface_mapping(wdh, i, WTAP_ENCAP_SOCKETCAN125, channel, UINT16_MAX(65535))) {
5121 | return false0;
5122 | }
5123 | } else if (strncmp(iface_descr, "BLF-LIN-", 8) == 0) {
5124 | uint16_t channel = (uint16_t)strtol(&iface_descr[8], NULL((void*)0), 16);
5125 |
5126 | if (!blf_dump_set_interface_mapping(wdh, i, WTAP_ENCAP_LIN107, channel, UINT16_MAX(65535))) {
5127 | return false0;
5128 | }
5129 | } else if (strncmp(iface_descr, "BLF-FR-", 7) == 0) {
5130 | uint16_t channel = (uint16_t)strtol(&iface_descr[7], NULL((void*)0), 16);
5131 |
5132 | if (!blf_dump_set_interface_mapping(wdh, i, WTAP_ENCAP_FLEXRAY106, channel, UINT16_MAX(65535))) {
5133 | return false0;
5134 | }
5135 | }
5136 | }
5137 |
5138 | writer_data->iface_to_channel_names_recovered = true1;
5139 | return true1;
5140 | }
5141 |
5142 | static bool_Bool blf_dump_interface_setup(wtap_dumper *wdh, int *err) {
5143 | //blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
5144 |
5145 | /* Try 1: BLF details in Interface Description */
5146 | if (blf_dump_interface_setup_by_blf_based_idb_desc(wdh, err)) {
5147 | return true1;
5148 | }
5149 |
5150 | /* Try 2: Generate new IDs by mapping Interface IDs and also add names to BLF */
5151 | for (unsigned i = 0; i < wdh->interface_data->len; i++) {
5152 | ws_debug("i: %d", i)do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5152, __func__, "i: %d", i); } } while (0);
5153 |
5154 | /* get interface data */
5155 | wtap_block_t idb = g_array_index(wdh->interface_data, wtap_block_t, i)(((wtap_block_t*) (void *) (wdh->interface_data)->data) [(i)]);
5156 | if (idb == NULL((void*)0)) {
5157 | return false0;
5158 | }
5159 |
5160 | const wtapng_if_descr_mandatory_t *mand_data = (wtapng_if_descr_mandatory_t *) idb->mandatory_data;
5161 |
5162 | if (mand_data->wtap_encap == WTAP_ENCAP_ETHERNET1 || mand_data->wtap_encap == WTAP_ENCAP_SLL25 ||
5163 | mand_data->wtap_encap == WTAP_ENCAP_LIN107 || mand_data->wtap_encap == WTAP_ENCAP_SOCKETCAN125) {
5164 |
5165 | char *iface_name = NULL((void*)0);
5166 | bool_Bool iface_name_found = wtap_block_get_string_option_value(idb, OPT_IDB_NAME2, &iface_name) == WTAP_OPTTYPE_SUCCESS;
5167 |
5168 | /* BLF can only support 255 channels */
5169 | if (iface_name_found && iface_name != NULL((void*)0) && (i) < 255) {
5170 | uint8_t iface_id = (uint8_t)(i + 1);
5171 |
5172 | /* we are not even trying to create APPTEXT CHANNELS as we are missing too much information */
5173 |
5174 | /* mapping up to 255 interface ids to channels directly */
5175 | if (!blf_dump_set_interface_mapping(wdh, i, mand_data->wtap_encap, (uint16_t)iface_id, UINT16_MAX(65535))) {
5176 | return false0;
5177 | }
5178 | }
5179 | }
5180 | }
5181 |
5182 | return true1;
5183 | }
5184 |
5185 | static bool_Bool blf_dump(wtap_dumper *wdh, const wtap_rec *rec, int *err, char **err_info) {
5186 | blf_writer_data_t *writer_data = (blf_writer_data_t *)wdh->priv;
5187 | 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" , 5188, __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)
5188 | 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" , 5188, __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);
5189 |
5190 | /* TODO */
5191 | switch (rec->rec_type) {
5192 | case REC_TYPE_PACKET0:
5193 | break;
5194 | default:
5195 | *err = WTAP_ERR_UNWRITABLE_REC_TYPE-24;
5196 | return false0;
5197 | }
5198 |
5199 | /* logcontainer full already? we just estimate the headers/overhead to be less than 100 */
5200 | blf_dump_check_logcontainer_full(wdh, err, err_info, rec->rec_header.packet_header.len + 100);
5201 |
5202 | if (!writer_data->start_time_set) {
5203 | /* TODO: consider to set trace start time to first packet time stamp - is this the lowest timestamp? how to know? */
5204 | writer_data->start_time = 0;
5205 | writer_data->start_time_set = true1;
5206 | }
5207 |
5208 | uint64_t obj_timestamp = (rec->ts.secs * 1000 * 1000 * 1000 + rec->ts.nsecs);
5209 |
5210 | if (writer_data->end_time < obj_timestamp) {
5211 | writer_data->end_time = obj_timestamp;
5212 | }
5213 |
5214 | /* reduce by BLF start offset */
5215 | obj_timestamp = obj_timestamp - writer_data->start_time;
5216 | writer_data->object_count += 1;
5217 |
5218 | switch (rec->rec_header.packet_header.pkt_encap) {
5219 | case WTAP_ENCAP_ETHERNET1: /* 1 */
5220 | return blf_dump_ethernet(wdh, rec, err, err_info, obj_timestamp);
5221 | break;
5222 |
5223 | case WTAP_ENCAP_SLL25: /* 25 */
5224 | return blf_dump_sll(wdh, rec, err, err_info, obj_timestamp);
5225 | break;
5226 |
5227 | case WTAP_ENCAP_FLEXRAY106: /* 106 */
5228 | return blf_dump_flexray(wdh, rec, err, err_info, obj_timestamp);
5229 | break;
5230 |
5231 | case WTAP_ENCAP_LIN107: /* 107 */
5232 | return blf_dump_lin(wdh, rec, err, err_info, obj_timestamp);
5233 | break;
5234 |
5235 | case WTAP_ENCAP_SOCKETCAN125: { /* 125 */
5236 | const uint8_t *pd = ws_buffer_start_ptr(&rec->data);
5237 | size_t length = ws_buffer_length(&rec->data);
5238 | return blf_dump_socketcan(wdh, rec, err, err_info, obj_timestamp, pd, length, false0, false0, false0, false0);
5239 | }
5240 | break;
5241 |
5242 | case WTAP_ENCAP_WIRESHARK_UPPER_PDU155: /* 155 */
5243 | return blf_dump_upper_pdu(wdh, rec, err, err_info, obj_timestamp);
5244 | break;
5245 |
5246 | default:
5247 | /* we did not write, so correct count */
5248 | writer_data->object_count -= 1;
5249 | }
5250 |
5251 | return true1;
5252 | }
5253 |
5254 | /* Returns 0 if we could write the specified encapsulation type,
5255 | an error indication otherwise. */
5256 | static int blf_dump_can_write_encap(int wtap_encap) {
5257 | 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" , 5257, __func__, "encap = %d (%s)", wtap_encap, wtap_encap_description (wtap_encap)); } } while (0);
5258 |
5259 | /* Per-packet encapsulation is supported. */
5260 | if (wtap_encap == WTAP_ENCAP_PER_PACKET-1)
5261 | return 0;
5262 |
5263 | switch (wtap_encap) {
5264 | /* fall through */
5265 | case WTAP_ENCAP_ETHERNET1:
5266 | case WTAP_ENCAP_SLL25:
5267 | case WTAP_ENCAP_FLEXRAY106:
5268 | case WTAP_ENCAP_LIN107:
5269 | case WTAP_ENCAP_SOCKETCAN125:
5270 | case WTAP_ENCAP_WIRESHARK_UPPER_PDU155:
5271 | return 0;
5272 | }
5273 |
5274 | return WTAP_ERR_UNWRITABLE_ENCAP-8;
5275 | }
5276 |
5277 | static bool_Bool blf_add_idb(wtap_dumper *wdh _U___attribute__((unused)), wtap_block_t idb _U___attribute__((unused)), int *err _U___attribute__((unused)), char **err_info _U___attribute__((unused))) {
5278 | ws_debug("entering function")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5278, __func__, "entering function"); } } while (0);
5279 | /* TODO: is there any reason to keep this? */
5280 |
5281 | return true1;
5282 | }
5283 |
5284 | /* Finish writing to a dump file.
5285 | Returns true on success, false on failure. */
5286 | static bool_Bool blf_dump_finish(wtap_dumper *wdh, int *err, char **err_info) {
5287 | if (!blf_dump_close_logcontainer(wdh, err, err_info)) {
5288 | return false0;
5289 | }
5290 |
5291 | if (!blf_finalize_file_header(wdh, err)) {
5292 | return false0;
5293 | }
5294 |
5295 | /* File is finished, do not touch anymore ! */
5296 |
5297 | ws_debug("leaving function")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5297, __func__, "leaving function"); } } while (0);
5298 | return true1;
5299 | }
5300 |
5301 | /* Returns true on success, false on failure; sets "*err" to an error code on
5302 | failure */
5303 | static bool_Bool
5304 | blf_dump_open(wtap_dumper *wdh, int *err, char **err_info) {
5305 | ws_debug("entering function")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5305, __func__, "entering function"); } } while (0);
1 | Taking true branch | →
5306 |
5307 | if (wdh == NULL((void*)0) || wdh->priv != NULL((void*)0)) {
2 | ← | Assuming 'wdh' is not equal to NULL | →
3 | ← | Assuming field 'priv' is equal to NULL | →
4 | ← | Taking false branch | →
5308 | *err = WTAP_ERR_INTERNAL-21;
5309 | 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" , 5309, __func__, "internal error: blf wdh is NULL or private data already set!" ); } } while (0);
5310 | return false0;
5311 | }
5312 |
5313 | wdh->subtype_add_idb = blf_add_idb;
5314 | wdh->subtype_write = blf_dump;
5315 | wdh->subtype_finish = blf_dump_finish;
5316 |
5317 | /* set up priv data */
5318 | 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 )));
5319 | wdh->priv = writer_data;
5320 |
5321 | /* set up and init interface mappings */
5322 | writer_data->iface_to_channel_array = g_array_new(true1, true1, sizeof(blf_channel_to_iface_entry_t));
5323 | blf_dump_expand_interface_mapping(wdh, wdh->interface_data->len);
5 | ← | Calling 'blf_dump_expand_interface_mapping' | →
5324 | writer_data->iface_to_channel_names_recovered = false0;
5325 |
5326 | writer_data->fileheader = NULL((void*)0);
5327 | writer_data->object_count = 0;
5328 | writer_data->start_time = 0;
5329 | writer_data->start_time_set = false0;
5330 | writer_data->end_time = 0;
5331 |
5332 | writer_data->logcontainer_start = LOG_CONTAINER_NONE(18446744073709551615UL);
5333 |
5334 | /* create the blf header structure and attach to wdh */
5335 | if (!blf_init_file_header(wdh, err)) {
5336 | return false0;
5337 | }
5338 |
5339 | /* write space in output file for header */
5340 | if (!blf_write_file_header_zeros(wdh, err)) {
5341 | return false0;
5342 | }
5343 |
5344 | ws_debug("wrote blf file header")do { if (1) { ws_log_full("Wiretap", LOG_LEVEL_DEBUG, "wiretap/blf.c" , 5344, __func__, "wrote blf file header"); } } while (0);
5345 |
5346 | /* Create first log_container */
5347 | if (!blf_dump_start_logcontainer(wdh, err, err_info)) {
5348 | return false0;
5349 | }
5350 |
5351 | if (!blf_dump_interface_setup(wdh, err)) {
5352 | return false0;
5353 | }
5354 |
5355 | return true1;
5356 | }
5357 |
5358 | static const struct file_type_subtype_info blf_info = {
5359 | "Vector Informatik Binary Logging Format (BLF) logfile", "blf", "blf", NULL((void*)0),
5360 | false0, BLOCKS_SUPPORTED(blf_blocks_supported)(sizeof (blf_blocks_supported) / sizeof (blf_blocks_supported )[0]), blf_blocks_supported,
5361 | blf_dump_can_write_encap, blf_dump_open, NULL((void*)0)
5362 | };
5363 |
5364 | void register_blf(void) {
5365 |
5366 | blf_file_type_subtype = wtap_register_file_type_subtype(&blf_info);
5367 |
5368 | /*
5369 | * Register name for backwards compatibility with the
5370 | * wtap_filetypes table in Lua.
5371 | */
5372 | wtap_register_backwards_compatibility_lua_name("BLF", blf_file_type_subtype);
5373 | }
5374 |
5375 | /*
5376 | * Editor modelines - https://www.wireshark.org/tools/modelines.html
5377 | *
5378 | * Local variables:
5379 | * c-basic-offset: 4
5380 | * tab-width: 8
5381 | * indent-tabs-mode: nil
5382 | * End:
5383 | *
5384 | * vi: set shiftwidth=4 tabstop=8 expandtab:
5385 | * :indentSize=4:tabSize=8:noTabs=true:
5386 | */