### Bug Summary

File: | wiretap/blf.c
Warning: | line 5003, column 22 Value stored to 'chunk_size' during its initialization is never read

### Annotated Source Code

Press '?' to see keyboard shortcuts

Show analyzer invocation
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-truncation -Wno-format-nonliteral -Wno-pointer-sign -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/2025-10-27-100323-3623-1 -x c /builds/wireshark/wireshark/wiretap/blf.c

Keyboard shortcuts:

- Use 'j/k' keys for keyboard navigation
- Use 'Shift+S' to show/hide relevant lines
- Use '?' to toggle this window

Close
Show only relevant lines Show control flow arrows

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