1 /* wtap.c
2 *
3 * Wiretap Library
4 * Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
5 *
6 * SPDX-License-Identifier: GPL-2.0-or-later
7 */
8
9 #include <config.h>
10
11 #include <string.h>
12 #include <errno.h>
13
14 #include <sys/types.h>
15
16 #include "wtap-int.h"
17 #include "wtap_opttypes.h"
18
19 #include "file_wrappers.h"
20 #include <wsutil/file_util.h>
21 #include <wsutil/buffer.h>
22 #include <wsutil/ws_assert.h>
23 #include <wsutil/wslog.h>
24 #ifdef HAVE_PLUGINS
25 #include <wsutil/plugins.h>
26 #endif
27
28 #ifdef HAVE_PLUGINS
29 static plugins_t *libwiretap_plugins = NULL;
30 #endif
31
32 static GSList *wtap_plugins = NULL;
33
34 #ifdef HAVE_PLUGINS
35 void
wtap_register_plugin(const wtap_plugin * plug)36 wtap_register_plugin(const wtap_plugin *plug)
37 {
38 wtap_plugins = g_slist_prepend(wtap_plugins, (wtap_plugin *)plug);
39 }
40 #else /* HAVE_PLUGINS */
41 void
wtap_register_plugin(const wtap_plugin * plug _U_)42 wtap_register_plugin(const wtap_plugin *plug _U_)
43 {
44 ws_warning("wtap_register_plugin: built without support for binary plugins");
45 }
46 #endif /* HAVE_PLUGINS */
47
48 int
wtap_plugins_supported(void)49 wtap_plugins_supported(void)
50 {
51 #ifdef HAVE_PLUGINS
52 return g_module_supported() ? 0 : 1;
53 #else
54 return -1;
55 #endif
56 }
57
58 static void
call_plugin_register_wtap_module(gpointer data,gpointer user_data _U_)59 call_plugin_register_wtap_module(gpointer data, gpointer user_data _U_)
60 {
61 wtap_plugin *plug = (wtap_plugin *)data;
62
63 if (plug->register_wtap_module) {
64 plug->register_wtap_module();
65 }
66 }
67
68 /*
69 * Return the size of the file, as reported by the OS.
70 * (gint64, in case that's 64 bits.)
71 */
72 gint64
wtap_file_size(wtap * wth,int * err)73 wtap_file_size(wtap *wth, int *err)
74 {
75 ws_statb64 statb;
76
77 if (file_fstat((wth->fh == NULL) ? wth->random_fh : wth->fh,
78 &statb, err) == -1)
79 return -1;
80 return statb.st_size;
81 }
82
83 /*
84 * Do an fstat on the file.
85 */
86 int
wtap_fstat(wtap * wth,ws_statb64 * statb,int * err)87 wtap_fstat(wtap *wth, ws_statb64 *statb, int *err)
88 {
89 if (file_fstat((wth->fh == NULL) ? wth->random_fh : wth->fh,
90 statb, err) == -1)
91 return -1;
92 return 0;
93 }
94
95 int
wtap_file_type_subtype(wtap * wth)96 wtap_file_type_subtype(wtap *wth)
97 {
98 return wth->file_type_subtype;
99 }
100
101 guint
wtap_snapshot_length(wtap * wth)102 wtap_snapshot_length(wtap *wth)
103 {
104 return wth->snapshot_length;
105 }
106
107 int
wtap_file_encap(wtap * wth)108 wtap_file_encap(wtap *wth)
109 {
110 return wth->file_encap;
111 }
112
113 int
wtap_file_tsprec(wtap * wth)114 wtap_file_tsprec(wtap *wth)
115 {
116 return wth->file_tsprec;
117 }
118
119 guint
wtap_file_get_num_shbs(wtap * wth)120 wtap_file_get_num_shbs(wtap *wth)
121 {
122 return wth->shb_hdrs->len;
123 }
124
125 wtap_block_t
wtap_file_get_shb(wtap * wth,guint shb_num)126 wtap_file_get_shb(wtap *wth, guint shb_num)
127 {
128 if ((wth == NULL) || (wth->shb_hdrs == NULL) || (shb_num >= wth->shb_hdrs->len))
129 return NULL;
130
131 return g_array_index(wth->shb_hdrs, wtap_block_t, shb_num);
132 }
133
134 GArray*
wtap_file_get_shb_for_new_file(wtap * wth)135 wtap_file_get_shb_for_new_file(wtap *wth)
136 {
137 guint shb_count;
138 wtap_block_t shb_hdr_src, shb_hdr_dest;
139 GArray* shb_hdrs;
140
141 if ((wth == NULL) || (wth->shb_hdrs == NULL) || (wth->shb_hdrs->len == 0))
142 return NULL;
143
144 shb_hdrs = g_array_new(FALSE, FALSE, sizeof(wtap_block_t));
145
146 for (shb_count = 0; shb_count < wth->shb_hdrs->len; shb_count++) {
147 shb_hdr_src = g_array_index(wth->shb_hdrs, wtap_block_t, shb_count);
148 shb_hdr_dest = wtap_block_make_copy(shb_hdr_src);
149 g_array_append_val(shb_hdrs, shb_hdr_dest);
150 }
151
152 return shb_hdrs;
153 }
154
155 /*
156 * XXX - replace with APIs that let us handle multiple comments.
157 */
158 void
wtap_write_shb_comment(wtap * wth,gchar * comment)159 wtap_write_shb_comment(wtap *wth, gchar *comment)
160 {
161 if ((wth != NULL) && (wth->shb_hdrs != NULL) && (wth->shb_hdrs->len > 0)) {
162 wtap_block_set_nth_string_option_value(g_array_index(wth->shb_hdrs, wtap_block_t, 0), OPT_COMMENT, 0, comment, (gsize)(comment ? strlen(comment) : 0));
163 }
164 }
165
166 wtapng_iface_descriptions_t *
wtap_file_get_idb_info(wtap * wth)167 wtap_file_get_idb_info(wtap *wth)
168 {
169 wtapng_iface_descriptions_t *idb_info;
170
171 idb_info = g_new(wtapng_iface_descriptions_t,1);
172
173 idb_info->interface_data = wth->interface_data;
174
175 return idb_info;
176 }
177
178 wtap_block_t
wtap_get_next_interface_description(wtap * wth)179 wtap_get_next_interface_description(wtap *wth)
180 {
181 if (wth->next_interface_data < wth->interface_data->len) {
182 /*
183 * We have an IDB to return. Advance to the next
184 * IDB, and return this one.
185 */
186 wtap_block_t idb;
187
188 idb = g_array_index(wth->interface_data, wtap_block_t,
189 wth->next_interface_data);
190 wth->next_interface_data++;
191 return idb;
192 }
193
194 /*
195 * We've returned all the interface descriptions we currently
196 * have. (There may be more in the future, if we read more.)
197 */
198 return NULL;
199 }
200
201 void
wtap_add_idb(wtap * wth,wtap_block_t idb)202 wtap_add_idb(wtap *wth, wtap_block_t idb)
203 {
204 g_array_append_val(wth->interface_data, idb);
205 }
206
207 void
wtap_add_generated_idb(wtap * wth)208 wtap_add_generated_idb(wtap *wth)
209 {
210 wtap_block_t idb;
211 wtapng_if_descr_mandatory_t *if_descr_mand;
212 int snaplen;
213
214 ws_assert(wth->file_encap != WTAP_ENCAP_UNKNOWN &&
215 wth->file_encap != WTAP_ENCAP_PER_PACKET);
216 ws_assert(wth->file_tsprec != WTAP_TSPREC_UNKNOWN &&
217 wth->file_tsprec != WTAP_TSPREC_PER_PACKET);
218
219 idb = wtap_block_create(WTAP_BLOCK_IF_ID_AND_INFO);
220
221 if_descr_mand = (wtapng_if_descr_mandatory_t*)wtap_block_get_mandatory_data(idb);
222 if_descr_mand->wtap_encap = wth->file_encap;
223 if_descr_mand->tsprecision = wth->file_tsprec;
224 switch (wth->file_tsprec) {
225
226 case WTAP_TSPREC_SEC:
227 if_descr_mand->time_units_per_second = 1;
228 wtap_block_add_uint8_option(idb, OPT_IDB_TSRESOL, 0);
229 break;
230
231 case WTAP_TSPREC_DSEC:
232 if_descr_mand->time_units_per_second = 10;
233 wtap_block_add_uint8_option(idb, OPT_IDB_TSRESOL, 1);
234 break;
235
236 case WTAP_TSPREC_CSEC:
237 if_descr_mand->time_units_per_second = 100;
238 wtap_block_add_uint8_option(idb, OPT_IDB_TSRESOL, 2);
239 break;
240
241 case WTAP_TSPREC_MSEC:
242 if_descr_mand->time_units_per_second = 1000;
243 wtap_block_add_uint8_option(idb, OPT_IDB_TSRESOL, 3);
244 break;
245
246 case WTAP_TSPREC_USEC:
247 if_descr_mand->time_units_per_second = 1000000;
248 /* This is the default, so no need to add an option */
249 break;
250
251 case WTAP_TSPREC_NSEC:
252 if_descr_mand->time_units_per_second = 1000000000;
253 wtap_block_add_uint8_option(idb, OPT_IDB_TSRESOL, 9);
254 break;
255
256 case WTAP_TSPREC_PER_PACKET:
257 case WTAP_TSPREC_UNKNOWN:
258 default:
259 /*
260 * Don't do this.
261 */
262 ws_assert_not_reached();
263 break;
264 }
265 snaplen = wth->snapshot_length;
266 if (snaplen == 0) {
267 /*
268 * No snapshot length was specified. Pick an
269 * appropriate snapshot length for this
270 * link-layer type.
271 *
272 * We use WTAP_MAX_PACKET_SIZE_STANDARD for everything except
273 * D-Bus, which has a maximum packet size of 128MB,
274 * and EBHSCR, which has a maximum packet size of 8MB,
275 * which is more than we want to put into files
276 * with other link-layer header types, as that
277 * might cause some software reading those files
278 * to allocate an unnecessarily huge chunk of
279 * memory for a packet buffer.
280 */
281 if (wth->file_encap == WTAP_ENCAP_DBUS)
282 snaplen = 128*1024*1024;
283 else if (wth->file_encap == WTAP_ENCAP_EBHSCR)
284 snaplen = 8*1024*1024;
285 else
286 snaplen = WTAP_MAX_PACKET_SIZE_STANDARD;
287 }
288 if_descr_mand->snap_len = snaplen;
289 if_descr_mand->num_stat_entries = 0; /* Number of ISBs */
290 if_descr_mand->interface_statistics = NULL;
291
292 /*
293 * Add this IDB.
294 */
295 wtap_add_idb(wth, idb);
296 }
297
298 void
wtap_free_idb_info(wtapng_iface_descriptions_t * idb_info)299 wtap_free_idb_info(wtapng_iface_descriptions_t *idb_info)
300 {
301 if (idb_info == NULL)
302 return;
303
304 wtap_block_array_free(idb_info->interface_data);
305 g_free(idb_info);
306 }
307
308 gchar *
wtap_get_debug_if_descr(const wtap_block_t if_descr,const int indent,const char * line_end)309 wtap_get_debug_if_descr(const wtap_block_t if_descr,
310 const int indent,
311 const char* line_end)
312 {
313 char* tmp_content;
314 wtapng_if_descr_mandatory_t* if_descr_mand;
315 GString *info = g_string_new("");
316 guint64 tmp64;
317 gint8 itmp8;
318 guint8 tmp8;
319 if_filter_opt_t if_filter;
320
321 ws_assert(if_descr);
322
323 if_descr_mand = (wtapng_if_descr_mandatory_t*)wtap_block_get_mandatory_data(if_descr);
324 if (wtap_block_get_string_option_value(if_descr, OPT_IDB_NAME, &tmp_content) == WTAP_OPTTYPE_SUCCESS) {
325 g_string_printf(info,
326 "%*cName = %s%s", indent, ' ',
327 tmp_content ? tmp_content : "UNKNOWN",
328 line_end);
329 }
330
331 if (wtap_block_get_string_option_value(if_descr, OPT_IDB_DESCRIPTION, &tmp_content) == WTAP_OPTTYPE_SUCCESS) {
332 g_string_append_printf(info,
333 "%*cDescription = %s%s", indent, ' ',
334 tmp_content ? tmp_content : "NONE",
335 line_end);
336 }
337
338 g_string_append_printf(info,
339 "%*cEncapsulation = %s (%d - %s)%s", indent, ' ',
340 wtap_encap_description(if_descr_mand->wtap_encap),
341 if_descr_mand->wtap_encap,
342 wtap_encap_name(if_descr_mand->wtap_encap),
343 line_end);
344
345 if (wtap_block_get_string_option_value(if_descr, OPT_IDB_HARDWARE, &tmp_content) == WTAP_OPTTYPE_SUCCESS) {
346 g_string_append_printf(info,
347 "%*cHardware = %s%s", indent, ' ',
348 tmp_content ? tmp_content : "NONE",
349 line_end);
350 }
351
352 if (wtap_block_get_uint64_option_value(if_descr, OPT_IDB_SPEED, &tmp64) == WTAP_OPTTYPE_SUCCESS) {
353 g_string_append_printf(info,
354 "%*cSpeed = %" G_GINT64_MODIFIER "u%s", indent, ' ',
355 tmp64,
356 line_end);
357 }
358
359 g_string_append_printf(info,
360 "%*cCapture length = %u%s", indent, ' ',
361 if_descr_mand->snap_len,
362 line_end);
363
364 if (wtap_block_get_uint8_option_value(if_descr, OPT_IDB_FCSLEN, &itmp8) == WTAP_OPTTYPE_SUCCESS) {
365 g_string_append_printf(info,
366 "%*cFCS length = %d%s", indent, ' ',
367 itmp8,
368 line_end);
369 }
370
371 g_string_append_printf(info,
372 "%*cTime precision = %s (%d)%s", indent, ' ',
373 wtap_tsprec_string(if_descr_mand->tsprecision),
374 if_descr_mand->tsprecision,
375 line_end);
376
377 g_string_append_printf(info,
378 "%*cTime ticks per second = %" G_GINT64_MODIFIER "u%s", indent, ' ',
379 if_descr_mand->time_units_per_second,
380 line_end);
381
382 if (wtap_block_get_uint8_option_value(if_descr, OPT_IDB_TSRESOL, &tmp8) == WTAP_OPTTYPE_SUCCESS) {
383 g_string_append_printf(info,
384 "%*cTime resolution = 0x%.2x%s", indent, ' ',
385 tmp8,
386 line_end);
387 }
388
389 if (wtap_block_get_if_filter_option_value(if_descr, OPT_IDB_FILTER, &if_filter) == WTAP_OPTTYPE_SUCCESS) {
390 switch (if_filter.type) {
391
392 case if_filter_pcap:
393 g_string_append_printf(info,
394 "%*cFilter string = %s%s", indent, ' ',
395 if_filter.data.filter_str,
396 line_end);
397 break;
398
399 case if_filter_bpf:
400 g_string_append_printf(info,
401 "%*cBPF filter length = %u%s", indent, ' ',
402 if_filter.data.bpf_prog.bpf_prog_len,
403 line_end);
404 break;
405
406 default:
407 g_string_append_printf(info,
408 "%*cUnknown filter type %u%s", indent, ' ',
409 if_filter.type,
410 line_end);
411 break;
412 }
413 }
414
415 if (wtap_block_get_string_option_value(if_descr, OPT_IDB_OS, &tmp_content) == WTAP_OPTTYPE_SUCCESS) {
416 g_string_append_printf(info,
417 "%*cOperating system = %s%s", indent, ' ',
418 tmp_content ? tmp_content : "UNKNOWN",
419 line_end);
420 }
421
422 /*
423 * XXX - support multiple comments.
424 */
425 if (wtap_block_get_nth_string_option_value(if_descr, OPT_COMMENT, 0, &tmp_content) == WTAP_OPTTYPE_SUCCESS) {
426 g_string_append_printf(info,
427 "%*cComment = %s%s", indent, ' ',
428 tmp_content ? tmp_content : "NONE",
429 line_end);
430 }
431
432 g_string_append_printf(info,
433 "%*cNumber of stat entries = %u%s", indent, ' ',
434 if_descr_mand->num_stat_entries,
435 line_end);
436
437 return g_string_free(info, FALSE);
438 }
439
440 wtap_block_t
wtap_file_get_nrb(wtap * wth)441 wtap_file_get_nrb(wtap *wth)
442 {
443 if ((wth == NULL) || (wth->nrb_hdrs == NULL) || (wth->nrb_hdrs->len == 0))
444 return NULL;
445
446 return g_array_index(wth->nrb_hdrs, wtap_block_t, 0);
447 }
448
449 GArray*
wtap_file_get_nrb_for_new_file(wtap * wth)450 wtap_file_get_nrb_for_new_file(wtap *wth)
451 {
452 guint nrb_count;
453 wtap_block_t nrb_hdr_src, nrb_hdr_dest;
454 GArray* nrb_hdrs;
455
456 if ((wth == NULL || wth->nrb_hdrs == NULL) || (wth->nrb_hdrs->len == 0))
457 return NULL;
458
459 nrb_hdrs = g_array_new(FALSE, FALSE, sizeof(wtap_block_t));
460
461 for (nrb_count = 0; nrb_count < wth->nrb_hdrs->len; nrb_count++) {
462 nrb_hdr_src = g_array_index(wth->nrb_hdrs, wtap_block_t, nrb_count);
463 nrb_hdr_dest = wtap_block_make_copy(nrb_hdr_src);
464 g_array_append_val(nrb_hdrs, nrb_hdr_dest);
465 }
466
467 return nrb_hdrs;
468 }
469
470 void
wtap_dump_params_init(wtap_dump_params * params,wtap * wth)471 wtap_dump_params_init(wtap_dump_params *params, wtap *wth)
472 {
473 memset(params, 0, sizeof(*params));
474 if (wth == NULL)
475 return;
476
477 params->encap = wtap_file_encap(wth);
478 params->snaplen = wtap_snapshot_length(wth);
479 params->tsprec = wtap_file_tsprec(wth);
480 params->shb_hdrs = wtap_file_get_shb_for_new_file(wth);
481 params->idb_inf = wtap_file_get_idb_info(wth);
482 params->nrb_hdrs = wtap_file_get_nrb_for_new_file(wth);
483 /* Assume that the input handle remains open until the dumper is closed.
484 * Refer to the DSBs from the input file, wtap_dump will then copy DSBs
485 * as they become available. */
486 params->dsbs_growing = wth->dsbs;
487 params->dont_copy_idbs = FALSE;
488 }
489
490 /*
491 * XXX - eventually, we should make this wtap_dump_params_init(),
492 * and have everything copy IDBs as they're read.
493 */
494 void
wtap_dump_params_init_no_idbs(wtap_dump_params * params,wtap * wth)495 wtap_dump_params_init_no_idbs(wtap_dump_params *params, wtap *wth)
496 {
497 memset(params, 0, sizeof(*params));
498 if (wth == NULL)
499 return;
500
501 params->encap = wtap_file_encap(wth);
502 params->snaplen = wtap_snapshot_length(wth);
503 params->tsprec = wtap_file_tsprec(wth);
504 params->shb_hdrs = wtap_file_get_shb_for_new_file(wth);
505 params->idb_inf = wtap_file_get_idb_info(wth);
506 params->nrb_hdrs = wtap_file_get_nrb_for_new_file(wth);
507 /* Assume that the input handle remains open until the dumper is closed.
508 * Refer to the DSBs from the input file, wtap_dump will then copy DSBs
509 * as they become available. */
510 params->dsbs_growing = wth->dsbs;
511 params->dont_copy_idbs = TRUE;
512 }
513
514 void
wtap_dump_params_discard_decryption_secrets(wtap_dump_params * params)515 wtap_dump_params_discard_decryption_secrets(wtap_dump_params *params)
516 {
517 params->dsbs_initial = NULL;
518 params->dsbs_growing = NULL;
519 }
520
521 void
wtap_dump_params_cleanup(wtap_dump_params * params)522 wtap_dump_params_cleanup(wtap_dump_params *params)
523 {
524 wtap_block_array_free(params->shb_hdrs);
525 /* params->idb_inf is currently expected to be freed by the caller. */
526 wtap_block_array_free(params->nrb_hdrs);
527
528 memset(params, 0, sizeof(*params));
529 }
530
531 /* Table of the encapsulation types we know about. */
532 struct encap_type_info {
533 const char *name;
534 const char *description;
535 };
536
537 static struct encap_type_info encap_table_base[] = {
538 /* WTAP_ENCAP_UNKNOWN */
539 { "unknown", "Unknown" },
540
541 /* WTAP_ENCAP_ETHERNET */
542 { "ether", "Ethernet" },
543
544 /* WTAP_ENCAP_TOKEN_RING */
545 { "tr", "Token Ring" },
546
547 /* WTAP_ENCAP_SLIP */
548 { "slip", "SLIP" },
549
550 /* WTAP_ENCAP_PPP */
551 { "ppp", "PPP" },
552
553 /* WTAP_ENCAP_FDDI */
554 { "fddi", "FDDI" },
555
556 /* WTAP_ENCAP_FDDI_BITSWAPPED */
557 { "fddi-swapped", "FDDI with bit-swapped MAC addresses" },
558
559 /* WTAP_ENCAP_RAW_IP */
560 { "rawip", "Raw IP" },
561
562 /* WTAP_ENCAP_ARCNET */
563 { "arcnet", "ARCNET" },
564
565 /* WTAP_ENCAP_ARCNET_LINUX */
566 { "arcnet_linux", "Linux ARCNET" },
567
568 /* WTAP_ENCAP_ATM_RFC1483 */
569 { "atm-rfc1483", "RFC 1483 ATM" },
570
571 /* WTAP_ENCAP_LINUX_ATM_CLIP */
572 { "linux-atm-clip", "Linux ATM CLIP" },
573
574 /* WTAP_ENCAP_LAPB */
575 { "lapb", "LAPB" },
576
577 /* WTAP_ENCAP_ATM_PDUS */
578 { "atm-pdus", "ATM PDUs" },
579
580 /* WTAP_ENCAP_ATM_PDUS_UNTRUNCATED */
581 { "atm-pdus-untruncated", "ATM PDUs - untruncated" },
582
583 /* WTAP_ENCAP_NULL */
584 { "null", "NULL/Loopback" },
585
586 /* WTAP_ENCAP_ASCEND */
587 { "ascend", "Lucent/Ascend access equipment" },
588
589 /* WTAP_ENCAP_ISDN */
590 { "isdn", "ISDN" },
591
592 /* WTAP_ENCAP_IP_OVER_FC */
593 { "ip-over-fc", "RFC 2625 IP-over-Fibre Channel" },
594
595 /* WTAP_ENCAP_PPP_WITH_PHDR */
596 { "ppp-with-direction", "PPP with Directional Info" },
597
598 /* WTAP_ENCAP_IEEE_802_11 */
599 { "ieee-802-11", "IEEE 802.11 Wireless LAN" },
600
601 /* WTAP_ENCAP_IEEE_802_11_PRISM */
602 { "ieee-802-11-prism", "IEEE 802.11 plus Prism II monitor mode radio header" },
603
604 /* WTAP_ENCAP_IEEE_802_11_WITH_RADIO */
605 { "ieee-802-11-radio", "IEEE 802.11 Wireless LAN with radio information" },
606
607 /* WTAP_ENCAP_IEEE_802_11_RADIOTAP */
608 { "ieee-802-11-radiotap", "IEEE 802.11 plus radiotap radio header" },
609
610 /* WTAP_ENCAP_IEEE_802_11_AVS */
611 { "ieee-802-11-avs", "IEEE 802.11 plus AVS radio header" },
612
613 /* WTAP_ENCAP_SLL */
614 { "linux-sll", "Linux cooked-mode capture v1" },
615
616 /* WTAP_ENCAP_FRELAY */
617 { "frelay", "Frame Relay" },
618
619 /* WTAP_ENCAP_FRELAY_WITH_PHDR */
620 { "frelay-with-direction", "Frame Relay with Directional Info" },
621
622 /* WTAP_ENCAP_CHDLC */
623 { "chdlc", "Cisco HDLC" },
624
625 /* WTAP_ENCAP_CISCO_IOS */
626 { "ios", "Cisco IOS internal" },
627
628 /* WTAP_ENCAP_LOCALTALK */
629 { "ltalk", "Localtalk" },
630
631 /* WTAP_ENCAP_OLD_PFLOG */
632 { "pflog-old", "OpenBSD PF Firewall logs, pre-3.4" },
633
634 /* WTAP_ENCAP_HHDLC */
635 { "hhdlc", "HiPath HDLC" },
636
637 /* WTAP_ENCAP_DOCSIS */
638 { "docsis", "Data Over Cable Service Interface Specification" },
639
640 /* WTAP_ENCAP_COSINE */
641 { "cosine", "CoSine L2 debug log" },
642
643 /* WTAP_ENCAP_WFLEET_HDLC */
644 { "whdlc", "Wellfleet HDLC" },
645
646 /* WTAP_ENCAP_SDLC */
647 { "sdlc", "SDLC" },
648
649 /* WTAP_ENCAP_TZSP */
650 { "tzsp", "Tazmen sniffer protocol" },
651
652 /* WTAP_ENCAP_ENC */
653 { "enc", "OpenBSD enc(4) encapsulating interface" },
654
655 /* WTAP_ENCAP_PFLOG */
656 { "pflog", "OpenBSD PF Firewall logs" },
657
658 /* WTAP_ENCAP_CHDLC_WITH_PHDR */
659 { "chdlc-with-direction", "Cisco HDLC with Directional Info" },
660
661 /* WTAP_ENCAP_BLUETOOTH_H4 */
662 { "bluetooth-h4", "Bluetooth H4" },
663
664 /* WTAP_ENCAP_MTP2 */
665 { "mtp2", "SS7 MTP2" },
666
667 /* WTAP_ENCAP_MTP3 */
668 { "mtp3", "SS7 MTP3" },
669
670 /* WTAP_ENCAP_IRDA */
671 { "irda", "IrDA" },
672
673 /* WTAP_ENCAP_USER0 */
674 { "user0", "USER 0" },
675
676 /* WTAP_ENCAP_USER1 */
677 { "user1", "USER 1" },
678
679 /* WTAP_ENCAP_USER2 */
680 { "user2", "USER 2" },
681
682 /* WTAP_ENCAP_USER3 */
683 { "user3", "USER 3" },
684
685 /* WTAP_ENCAP_USER4 */
686 { "user4", "USER 4" },
687
688 /* WTAP_ENCAP_USER5 */
689 { "user5", "USER 5" },
690
691 /* WTAP_ENCAP_USER6 */
692 { "user6", "USER 6" },
693
694 /* WTAP_ENCAP_USER7 */
695 { "user7", "USER 7" },
696
697 /* WTAP_ENCAP_USER8 */
698 { "user8", "USER 8" },
699
700 /* WTAP_ENCAP_USER9 */
701 { "user9", "USER 9" },
702
703 /* WTAP_ENCAP_USER10 */
704 { "user10", "USER 10" },
705
706 /* WTAP_ENCAP_USER11 */
707 { "user11", "USER 11" },
708
709 /* WTAP_ENCAP_USER12 */
710 { "user12", "USER 12" },
711
712 /* WTAP_ENCAP_USER13 */
713 { "user13", "USER 13" },
714
715 /* WTAP_ENCAP_USER14 */
716 { "user14", "USER 14" },
717
718 /* WTAP_ENCAP_USER15 */
719 { "user15", "USER 15" },
720
721 /* WTAP_ENCAP_SYMANTEC */
722 { "symantec", "Symantec Enterprise Firewall" },
723
724 /* WTAP_ENCAP_APPLE_IP_OVER_IEEE1394 */
725 { "ap1394", "Apple IP-over-IEEE 1394" },
726
727 /* WTAP_ENCAP_BACNET_MS_TP */
728 { "bacnet-ms-tp", "BACnet MS/TP" },
729
730 /* WTAP_ENCAP_NETTL_RAW_ICMP */
731 { "raw-icmp-nettl", "Raw ICMP with nettl headers" },
732
733 /* WTAP_ENCAP_NETTL_RAW_ICMPV6 */
734 { "raw-icmpv6-nettl", "Raw ICMPv6 with nettl headers" },
735
736 /* WTAP_ENCAP_GPRS_LLC */
737 { "gprs-llc", "GPRS LLC" },
738
739 /* WTAP_ENCAP_JUNIPER_ATM1 */
740 { "juniper-atm1", "Juniper ATM1" },
741
742 /* WTAP_ENCAP_JUNIPER_ATM2 */
743 { "juniper-atm2", "Juniper ATM2" },
744
745 /* WTAP_ENCAP_REDBACK */
746 { "redback", "Redback SmartEdge" },
747
748 /* WTAP_ENCAP_NETTL_RAW_IP */
749 { "rawip-nettl", "Raw IP with nettl headers" },
750
751 /* WTAP_ENCAP_NETTL_ETHERNET */
752 { "ether-nettl", "Ethernet with nettl headers" },
753
754 /* WTAP_ENCAP_NETTL_TOKEN_RING */
755 { "tr-nettl", "Token Ring with nettl headers" },
756
757 /* WTAP_ENCAP_NETTL_FDDI */
758 { "fddi-nettl", "FDDI with nettl headers" },
759
760 /* WTAP_ENCAP_NETTL_UNKNOWN */
761 { "unknown-nettl", "Unknown link-layer type with nettl headers" },
762
763 /* WTAP_ENCAP_MTP2_WITH_PHDR */
764 { "mtp2-with-phdr", "MTP2 with pseudoheader" },
765
766 /* WTAP_ENCAP_JUNIPER_PPPOE */
767 { "juniper-pppoe", "Juniper PPPoE" },
768
769 /* WTAP_ENCAP_GCOM_TIE1 */
770 { "gcom-tie1", "GCOM TIE1" },
771
772 /* WTAP_ENCAP_GCOM_SERIAL */
773 { "gcom-serial", "GCOM Serial" },
774
775 /* WTAP_ENCAP_NETTL_X25 */
776 { "x25-nettl", "X.25 with nettl headers" },
777
778 /* WTAP_ENCAP_K12 */
779 { "k12", "K12 protocol analyzer" },
780
781 /* WTAP_ENCAP_JUNIPER_MLPPP */
782 { "juniper-mlppp", "Juniper MLPPP" },
783
784 /* WTAP_ENCAP_JUNIPER_MLFR */
785 { "juniper-mlfr", "Juniper MLFR" },
786
787 /* WTAP_ENCAP_JUNIPER_ETHER */
788 { "juniper-ether", "Juniper Ethernet" },
789
790 /* WTAP_ENCAP_JUNIPER_PPP */
791 { "juniper-ppp", "Juniper PPP" },
792
793 /* WTAP_ENCAP_JUNIPER_FRELAY */
794 { "juniper-frelay", "Juniper Frame-Relay" },
795
796 /* WTAP_ENCAP_JUNIPER_CHDLC */
797 { "juniper-chdlc", "Juniper C-HDLC" },
798
799 /* WTAP_ENCAP_JUNIPER_GGSN */
800 { "juniper-ggsn", "Juniper GGSN" },
801
802 /* WTAP_ENCAP_LINUX_LAPD */
803 { "linux-lapd", "LAPD with Linux pseudo-header" },
804
805 /* WTAP_ENCAP_CATAPULT_DCT2000 */
806 { "dct2000", "Catapult DCT2000" },
807
808 /* WTAP_ENCAP_BER */
809 { "ber", "ASN.1 Basic Encoding Rules" },
810
811 /* WTAP_ENCAP_JUNIPER_VP */
812 { "juniper-vp", "Juniper Voice PIC" },
813
814 /* WTAP_ENCAP_USB_FREEBSD */
815 { "usb-freebsd", "USB packets with FreeBSD header" },
816
817 /* WTAP_ENCAP_IEEE802_16_MAC_CPS */
818 { "ieee-802-16-mac-cps", "IEEE 802.16 MAC Common Part Sublayer" },
819
820 /* WTAP_ENCAP_NETTL_RAW_TELNET */
821 { "raw-telnet-nettl", "Raw telnet with nettl headers" },
822
823 /* WTAP_ENCAP_USB_LINUX */
824 { "usb-linux", "USB packets with Linux header" },
825
826 /* WTAP_ENCAP_MPEG */
827 { "mpeg", "MPEG" },
828
829 /* WTAP_ENCAP_PPI */
830 { "ppi", "Per-Packet Information header" },
831
832 /* WTAP_ENCAP_ERF */
833 { "erf", "Extensible Record Format" },
834
835 /* WTAP_ENCAP_BLUETOOTH_H4_WITH_PHDR */
836 { "bluetooth-h4-linux", "Bluetooth H4 with linux header" },
837
838 /* WTAP_ENCAP_SITA */
839 { "sita-wan", "SITA WAN packets" },
840
841 /* WTAP_ENCAP_SCCP */
842 { "sccp", "SS7 SCCP" },
843
844 /* WTAP_ENCAP_BLUETOOTH_HCI */
845 { "bluetooth-hci", "Bluetooth without transport layer" },
846
847 /* WTAP_ENCAP_IPMB_KONTRON */
848 { "ipmb-kontron", "Intelligent Platform Management Bus with Kontron pseudo-header" },
849
850 /* WTAP_ENCAP_IEEE802_15_4 */
851 { "wpan", "IEEE 802.15.4 Wireless PAN" },
852
853 /* WTAP_ENCAP_X2E_XORAYA */
854 { "x2e-xoraya", "X2E Xoraya" },
855
856 /* WTAP_ENCAP_FLEXRAY */
857 { "flexray", "FlexRay" },
858
859 /* WTAP_ENCAP_LIN */
860 { "lin", "Local Interconnect Network" },
861
862 /* WTAP_ENCAP_MOST */
863 { "most", "Media Oriented Systems Transport" },
864
865 /* WTAP_ENCAP_CAN20B */
866 { "can20b", "Controller Area Network 2.0B" },
867
868 /* WTAP_ENCAP_LAYER1_EVENT */
869 { "layer1-event", "EyeSDN Layer 1 event" },
870
871 /* WTAP_ENCAP_X2E_SERIAL */
872 { "x2e-serial", "X2E serial line capture" },
873
874 /* WTAP_ENCAP_I2C_LINUX */
875 { "i2c-linux", "I2C with Linux-specific pseudo-header" },
876
877 /* WTAP_ENCAP_IEEE802_15_4_NONASK_PHY */
878 { "wpan-nonask-phy", "IEEE 802.15.4 Wireless PAN non-ASK PHY" },
879
880 /* WTAP_ENCAP_TNEF */
881 { "tnef", "Transport-Neutral Encapsulation Format" },
882
883 /* WTAP_ENCAP_USB_LINUX_MMAPPED */
884 { "usb-linux-mmap", "USB packets with Linux header and padding" },
885
886 /* WTAP_ENCAP_GSM_UM */
887 { "gsm_um", "GSM Um Interface" },
888
889 /* WTAP_ENCAP_DPNSS */
890 { "dpnss_link", "Digital Private Signalling System No 1 Link Layer" },
891
892 /* WTAP_ENCAP_PACKETLOGGER */
893 { "packetlogger", "Apple Bluetooth PacketLogger" },
894
895 /* WTAP_ENCAP_NSTRACE_1_0 */
896 { "nstrace10", "NetScaler Encapsulation 1.0 of Ethernet" },
897
898 /* WTAP_ENCAP_NSTRACE_2_0 */
899 { "nstrace20", "NetScaler Encapsulation 2.0 of Ethernet" },
900
901 /* WTAP_ENCAP_FIBRE_CHANNEL_FC2 */
902 { "fc2", "Fibre Channel FC-2" },
903
904 /* WTAP_ENCAP_FIBRE_CHANNEL_FC2_WITH_FRAME_DELIMS */
905 { "fc2sof", "Fibre Channel FC-2 With Frame Delimiter" },
906
907 /* WTAP_ENCAP_JPEG_JFIF */
908 { "jfif", "JPEG/JFIF" },
909
910 /* WTAP_ENCAP_IPNET */
911 { "ipnet", "Solaris IPNET" },
912
913 /* WTAP_ENCAP_SOCKETCAN */
914 { "socketcan", "SocketCAN" },
915
916 /* WTAP_ENCAP_IEEE_802_11_NETMON */
917 { "ieee-802-11-netmon", "IEEE 802.11 plus Network Monitor radio header" },
918
919 /* WTAP_ENCAP_IEEE802_15_4_NOFCS */
920 { "wpan-nofcs", "IEEE 802.15.4 Wireless PAN with FCS not present" },
921
922 /* WTAP_ENCAP_RAW_IPFIX */
923 { "ipfix", "RFC 5655/RFC 5101 IPFIX" },
924
925 /* WTAP_ENCAP_RAW_IP4 */
926 { "rawip4", "Raw IPv4" },
927
928 /* WTAP_ENCAP_RAW_IP6 */
929 { "rawip6", "Raw IPv6" },
930
931 /* WTAP_ENCAP_LAPD */
932 { "lapd", "LAPD" },
933
934 /* WTAP_ENCAP_DVBCI */
935 { "dvbci", "DVB-CI (Common Interface)" },
936
937 /* WTAP_ENCAP_MUX27010 */
938 { "mux27010", "MUX27010" },
939
940 /* WTAP_ENCAP_MIME */
941 { "mime", "MIME" },
942
943 /* WTAP_ENCAP_NETANALYZER */
944 { "netanalyzer", "Hilscher netANALYZER" },
945
946 /* WTAP_ENCAP_NETANALYZER_TRANSPARENT */
947 { "netanalyzer-transparent", "Hilscher netANALYZER-Transparent" },
948
949 /* WTAP_ENCAP_IP_OVER_IB */
950 { "ip-over-ib", "IP over InfiniBand" },
951
952 /* WTAP_ENCAP_MPEG_2_TS */
953 { "mp2ts", "ISO/IEC 13818-1 MPEG2-TS" },
954
955 /* WTAP_ENCAP_PPP_ETHER */
956 { "pppoes", "PPP-over-Ethernet session" },
957
958 /* WTAP_ENCAP_NFC_LLCP */
959 { "nfc-llcp", "NFC LLCP" },
960
961 /* WTAP_ENCAP_NFLOG */
962 { "nflog", "NFLOG" },
963
964 /* WTAP_ENCAP_V5_EF */
965 { "v5-ef", "V5 Envelope Function" },
966
967 /* WTAP_ENCAP_BACNET_MS_TP_WITH_PHDR */
968 { "bacnet-ms-tp-with-direction", "BACnet MS/TP with Directional Info" },
969
970 /* WTAP_ENCAP_IXVERIWAVE */
971 { "ixveriwave", "IxVeriWave header and stats block" },
972
973 /* WTAP_ENCAP_SDH */
974 { "sdh", "SDH" },
975
976 /* WTAP_ENCAP_DBUS */
977 { "dbus", "D-Bus" },
978
979 /* WTAP_ENCAP_AX25_KISS */
980 { "ax25-kiss", "AX.25 with KISS header" },
981
982 /* WTAP_ENCAP_AX25 */
983 { "ax25", "Amateur Radio AX.25" },
984
985 /* WTAP_ENCAP_SCTP */
986 { "sctp", "SCTP" },
987
988 /* WTAP_ENCAP_INFINIBAND */
989 { "infiniband", "InfiniBand" },
990
991 /* WTAP_ENCAP_JUNIPER_SVCS */
992 { "juniper-svcs", "Juniper Services" },
993
994 /* WTAP_ENCAP_USBPCAP */
995 { "usb-usbpcap", "USB packets with USBPcap header" },
996
997 /* WTAP_ENCAP_RTAC_SERIAL */
998 { "rtac-serial", "RTAC serial-line" },
999
1000 /* WTAP_ENCAP_BLUETOOTH_LE_LL */
1001 { "bluetooth-le-ll", "Bluetooth Low Energy Link Layer" },
1002
1003 /* WTAP_ENCAP_WIRESHARK_UPPER_PDU */
1004 { "wireshark-upper-pdu", "Wireshark Upper PDU export" },
1005
1006 /* WTAP_ENCAP_STANAG_4607 */
1007 { "s4607", "STANAG 4607" },
1008
1009 /* WTAP_ENCAP_STANAG_5066_D_PDU */
1010 { "s5066-dpdu", "STANAG 5066 Data Transfer Sublayer PDUs(D_PDU)" },
1011
1012 /* WTAP_ENCAP_NETLINK */
1013 { "netlink", "Linux Netlink" },
1014
1015 /* WTAP_ENCAP_BLUETOOTH_LINUX_MONITOR */
1016 { "bluetooth-linux-monitor", "Bluetooth Linux Monitor" },
1017
1018 /* WTAP_ENCAP_BLUETOOTH_BREDR_BB */
1019 { "bluetooth-bredr-bb-rf", "Bluetooth BR/EDR Baseband RF" },
1020
1021 /* WTAP_ENCAP_BLUETOOTH_LE_LL_WITH_PHDR */
1022 { "bluetooth-le-ll-rf", "Bluetooth Low Energy Link Layer RF" },
1023
1024 /* WTAP_ENCAP_NSTRACE_3_0 */
1025 { "nstrace30", "NetScaler Encapsulation 3.0 of Ethernet" },
1026
1027 /* WTAP_ENCAP_LOGCAT */
1028 { "logcat", "Android Logcat Binary format" },
1029
1030 /* WTAP_ENCAP_LOGCAT_BRIEF */
1031 { "logcat_brief", "Android Logcat Brief text format" },
1032
1033 /* WTAP_ENCAP_LOGCAT_PROCESS */
1034 { "logcat_process", "Android Logcat Process text format" },
1035
1036 /* WTAP_ENCAP_LOGCAT_TAG */
1037 { "logcat_tag", "Android Logcat Tag text format" },
1038
1039 /* WTAP_ENCAP_LOGCAT_THREAD */
1040 { "logcat_thread", "Android Logcat Thread text format" },
1041
1042 /* WTAP_ENCAP_LOGCAT_TIME */
1043 { "logcat_time", "Android Logcat Time text format" },
1044
1045 /* WTAP_ENCAP_LOGCAT_THREADTIME */
1046 { "logcat_threadtime", "Android Logcat Threadtime text format" },
1047
1048 /* WTAP_ENCAP_LOGCAT_LONG */
1049 { "logcat_long", "Android Logcat Long text format" },
1050
1051 /* WTAP_ENCAP_PKTAP */
1052 { "pktap", "Apple PKTAP" },
1053
1054 /* WTAP_ENCAP_EPON */
1055 { "epon", "Ethernet Passive Optical Network" },
1056
1057 /* WTAP_ENCAP_IPMI_TRACE */
1058 { "ipmi-trace", "IPMI Trace Data Collection" },
1059
1060 /* WTAP_ENCAP_LOOP */
1061 { "loop", "OpenBSD loopback" },
1062
1063 /* WTAP_ENCAP_JSON */
1064 { "json", "JavaScript Object Notation" },
1065
1066 /* WTAP_ENCAP_NSTRACE_3_5 */
1067 { "nstrace35", "NetScaler Encapsulation 3.5 of Ethernet" },
1068
1069 /* WTAP_ENCAP_ISO14443 */
1070 { "iso14443", "ISO 14443 contactless smartcard standards" },
1071
1072 /* WTAP_ENCAP_GFP_T */
1073 { "gfp-t", "ITU-T G.7041/Y.1303 Generic Framing Procedure Transparent mode" },
1074
1075 /* WTAP_ENCAP_GFP_F */
1076 { "gfp-f", "ITU-T G.7041/Y.1303 Generic Framing Procedure Frame-mapped mode" },
1077
1078 /* WTAP_ENCAP_IP_OVER_IB_PCAP */
1079 { "ip-ib", "IP over IB" },
1080
1081 /* WTAP_ENCAP_JUNIPER_VN */
1082 { "juniper-vn", "Juniper VN" },
1083
1084 /* WTAP_ENCAP_USB_DARWIN */
1085 { "usb-darwin", "USB packets with Darwin (macOS, etc.) headers" },
1086
1087 /* WTAP_ENCAP_LORATAP */
1088 { "loratap", "LoRaTap" },
1089
1090 /* WTAP_ENCAP_3MB_ETHERNET */
1091 { "xeth", "Xerox 3MB Ethernet" },
1092
1093 /* WTAP_ENCAP_VSOCK */
1094 { "vsock", "Linux vsock" },
1095
1096 /* WTAP_ENCAP_NORDIC_BLE */
1097 { "nordic_ble", "nRF Sniffer for Bluetooth LE" },
1098
1099 /* WTAP_ENCAP_NETMON_NET_NETEVENT */
1100 { "netmon_event", "Network Monitor Network Event" },
1101
1102 /* WTAP_ENCAP_NETMON_HEADER */
1103 { "netmon_header", "Network Monitor Header" },
1104
1105 /* WTAP_ENCAP_NETMON_NET_FILTER */
1106 { "netmon_filter", "Network Monitor Filter" },
1107
1108 /* WTAP_ENCAP_NETMON_NETWORK_INFO_EX */
1109 { "netmon_network_info", "Network Monitor Network Info" },
1110
1111 /* WTAP_ENCAP_MA_WFP_CAPTURE_V4 */
1112 { "message_analyzer_wfp_capture_v4", "Message Analyzer WFP Capture v4" },
1113
1114 /* WTAP_ENCAP_MA_WFP_CAPTURE_V6 */
1115 { "message_analyzer_wfp_capture_v6", "Message Analyzer WFP Capture v6" },
1116
1117 /* WTAP_ENCAP_MA_WFP_CAPTURE_2V4 */
1118 { "message_analyzer_wfp_capture2_v4", "Message Analyzer WFP Capture2 v4" },
1119
1120 /* WTAP_ENCAP_MA_WFP_CAPTURE_2V6 */
1121 { "message_analyzer_wfp_capture2_v6", "Message Analyzer WFP Capture2 v6" },
1122
1123 /* WTAP_ENCAP_MA_WFP_CAPTURE_AUTH_V4 */
1124 { "message_analyzer_wfp_capture_auth_v4", "Message Analyzer WFP Capture Auth v4" },
1125
1126 /* WTAP_ENCAP_MA_WFP_CAPTURE_AUTH_V6 */
1127 { "message_analyzer_wfp_capture_auth_v6", "Message Analyzer WFP Capture Auth v6" },
1128
1129 /* WTAP_ENCAP_JUNIPER_ST */
1130 { "juniper-st", "Juniper Secure Tunnel Information" },
1131
1132 /* WTAP_ENCAP_ETHERNET_MPACKET */
1133 { "ether-mpacket", "IEEE 802.3br mPackets" },
1134
1135 /* WTAP_ENCAP_DOCSIS31_XRA31 */
1136 { "docsis31_xra31", "DOCSIS with Excentis XRA pseudo-header" },
1137
1138 /* WTAP_ENCAP_DPAUXMON */
1139 { "dpauxmon", "DisplayPort AUX channel with Unigraf pseudo-header" },
1140
1141 /* WTAP_ENCAP_RUBY_MARSHAL */
1142 { "ruby_marshal", "Ruby marshal object" },
1143
1144 /* WTAP_ENCAP_RFC7468 */
1145 { "rfc7468", "RFC 7468 file" },
1146
1147 /* WTAP_ENCAP_SYSTEMD_JOURNAL */
1148 { "sdjournal", "systemd journal" },
1149
1150 /* WTAP_ENCAP_EBHSCR */
1151 { "ebhscr", "Elektrobit High Speed Capture and Replay" },
1152
1153 /* WTAP_ENCAP_VPP */
1154 { "vpp", "Vector Packet Processing graph dispatch trace" },
1155
1156 /* WTAP_ENCAP_IEEE802_15_4_TAP */
1157 { "wpan-tap", "IEEE 802.15.4 Wireless with TAP pseudo-header" },
1158
1159 /* WTAP_ENCAP_LOG_3GPP */
1160 { "log_3GPP", "3GPP Phone Log" },
1161
1162 /* WTAP_ENCAP_USB_2_0 */
1163 { "usb-20", "USB 2.0/1.1/1.0 packets" },
1164
1165 /* WTAP_ENCAP_MP4 */
1166 { "mp4", "MP4 files" },
1167
1168 /* WTAP_ENCAP_SLL2 */
1169 { "linux-sll2", "Linux cooked-mode capture v2" },
1170
1171 /* WTAP_ENCAP_ZWAVE_SERIAL */
1172 { "zwave-serial", "Z-Wave Serial API packets" },
1173
1174 /* WTAP_ENCAP_ETW */
1175 { "etw", "Event Tracing for Windows messages" },
1176
1177 /* WTAP_ENCAP_ERI_ENB_LOG */
1178 { "eri_enb_log", "Ericsson eNode-B raw log" },
1179
1180 };
1181
1182 WS_DLL_LOCAL
1183 gint wtap_num_encap_types = sizeof(encap_table_base) / sizeof(struct encap_type_info);
1184 static GArray* encap_table_arr = NULL;
1185
1186 #define encap_table_entry(encap) \
1187 g_array_index(encap_table_arr, struct encap_type_info, encap)
1188
wtap_init_encap_types(void)1189 static void wtap_init_encap_types(void) {
1190
1191 if (encap_table_arr) return;
1192
1193 encap_table_arr = g_array_new(FALSE,TRUE,sizeof(struct encap_type_info));
1194
1195 g_array_append_vals(encap_table_arr,encap_table_base,wtap_num_encap_types);
1196 }
1197
wtap_cleanup_encap_types(void)1198 static void wtap_cleanup_encap_types(void) {
1199 if (encap_table_arr) {
1200 g_array_free(encap_table_arr, TRUE);
1201 encap_table_arr = NULL;
1202 }
1203 }
1204
wtap_get_num_encap_types(void)1205 int wtap_get_num_encap_types(void) {
1206 return wtap_num_encap_types;
1207 }
1208
1209
1210 int
wtap_register_encap_type(const char * description,const char * name)1211 wtap_register_encap_type(const char *description, const char *name)
1212 {
1213 struct encap_type_info e;
1214
1215 e.name = g_strdup(name);
1216 e.description = g_strdup(description);
1217
1218 g_array_append_val(encap_table_arr,e);
1219
1220 return wtap_num_encap_types++;
1221 }
1222
1223 /* Name to use in, say, a command-line flag specifying the type. */
1224 const char *
wtap_encap_name(int encap)1225 wtap_encap_name(int encap)
1226 {
1227 if (encap < WTAP_ENCAP_PER_PACKET || encap >= WTAP_NUM_ENCAP_TYPES)
1228 return "illegal";
1229 else if (encap == WTAP_ENCAP_PER_PACKET)
1230 return "per-packet";
1231 else
1232 return encap_table_entry(encap).name;
1233 }
1234
1235 /* Description to show to users. */
1236 const char *
wtap_encap_description(int encap)1237 wtap_encap_description(int encap)
1238 {
1239 if (encap < WTAP_ENCAP_PER_PACKET || encap >= WTAP_NUM_ENCAP_TYPES)
1240 return "Illegal";
1241 else if (encap == WTAP_ENCAP_PER_PACKET)
1242 return "Per packet";
1243 else
1244 return encap_table_entry(encap).description;
1245 }
1246
1247 /* Translate a name to a capture file type. */
1248 int
wtap_name_to_encap(const char * name)1249 wtap_name_to_encap(const char *name)
1250 {
1251 int encap;
1252
1253 for (encap = 0; encap < WTAP_NUM_ENCAP_TYPES; encap++) {
1254 if (encap_table_entry(encap).name != NULL &&
1255 strcmp(name, encap_table_entry(encap).name) == 0)
1256 return encap;
1257 }
1258 return -1; /* no such encapsulation type */
1259 }
1260
1261 const char*
wtap_tsprec_string(int tsprec)1262 wtap_tsprec_string(int tsprec)
1263 {
1264 const char* s;
1265 switch (tsprec) {
1266 case WTAP_TSPREC_PER_PACKET:
1267 s = "per-packet";
1268 break;
1269 case WTAP_TSPREC_SEC:
1270 s = "seconds";
1271 break;
1272 case WTAP_TSPREC_DSEC:
1273 s = "deciseconds";
1274 break;
1275 case WTAP_TSPREC_CSEC:
1276 s = "centiseconds";
1277 break;
1278 case WTAP_TSPREC_MSEC:
1279 s = "milliseconds";
1280 break;
1281 case WTAP_TSPREC_USEC:
1282 s = "microseconds";
1283 break;
1284 case WTAP_TSPREC_NSEC:
1285 s = "nanoseconds";
1286 break;
1287 case WTAP_TSPREC_UNKNOWN:
1288 default:
1289 s = "UNKNOWN";
1290 break;
1291 }
1292 return s;
1293 }
1294
1295 static const char *wtap_errlist[] = {
1296 /* WTAP_ERR_NOT_REGULAR_FILE */
1297 "The file isn't a plain file or pipe",
1298
1299 /* WTAP_ERR_RANDOM_OPEN_PIPE */
1300 "The file is being opened for random access but is a pipe",
1301
1302 /* WTAP_ERR_FILE_UNKNOWN_FORMAT */
1303 "The file isn't a capture file in a known format",
1304
1305 /* WTAP_ERR_UNSUPPORTED */
1306 "File contains record data we don't support",
1307
1308 /* WTAP_ERR_CANT_WRITE_TO_PIPE */
1309 "That file format cannot be written to a pipe",
1310
1311 /* WTAP_ERR_CANT_OPEN */
1312 NULL,
1313
1314 /* WTAP_ERR_UNWRITABLE_FILE_TYPE */
1315 "Files can't be saved in that format",
1316
1317 /* WTAP_ERR_UNWRITABLE_ENCAP */
1318 "Packets with that network type can't be saved in that format",
1319
1320 /* WTAP_ERR_ENCAP_PER_PACKET_UNSUPPORTED */
1321 "That file format doesn't support per-packet encapsulations",
1322
1323 /* WTAP_ERR_CANT_WRITE */
1324 "A write failed for some unknown reason",
1325
1326 /* WTAP_ERR_CANT_CLOSE */
1327 NULL,
1328
1329 /* WTAP_ERR_SHORT_READ */
1330 "Less data was read than was expected",
1331
1332 /* WTAP_ERR_BAD_FILE */
1333 "The file appears to be damaged or corrupt",
1334
1335 /* WTAP_ERR_SHORT_WRITE */
1336 "Less data was written than was requested",
1337
1338 /* WTAP_ERR_UNC_OVERFLOW */
1339 "Uncompression error: data would overflow buffer",
1340
1341 /* WTAP_ERR_RANDOM_OPEN_STDIN */
1342 "The standard input cannot be opened for random access",
1343
1344 /* WTAP_ERR_COMPRESSION_NOT_SUPPORTED */
1345 "That file format doesn't support compression",
1346
1347 /* WTAP_ERR_CANT_SEEK */
1348 NULL,
1349
1350 /* WTAP_ERR_CANT_SEEK_COMPRESSED */
1351 NULL,
1352
1353 /* WTAP_ERR_DECOMPRESS */
1354 "Uncompression error",
1355
1356 /* WTAP_ERR_INTERNAL */
1357 "Internal error",
1358
1359 /* WTAP_ERR_PACKET_TOO_LARGE */
1360 "The packet being written is too large for that format",
1361
1362 /* WTAP_ERR_CHECK_WSLUA */
1363 NULL,
1364
1365 /* WTAP_ERR_UNWRITABLE_REC_TYPE */
1366 "That record type cannot be written in that format",
1367
1368 /* WTAP_ERR_UNWRITABLE_REC_DATA */
1369 "That record can't be written in that format",
1370
1371 /* WTAP_ERR_DECOMPRESSION_NOT_SUPPORTED */
1372 "We don't support decompressing that type of compressed file",
1373 };
1374 #define WTAP_ERRLIST_SIZE (sizeof wtap_errlist / sizeof wtap_errlist[0])
1375
1376 const char *
wtap_strerror(int err)1377 wtap_strerror(int err)
1378 {
1379 static char errbuf[128];
1380 unsigned int wtap_errlist_index;
1381
1382 if (err < 0) {
1383 wtap_errlist_index = -1 - err;
1384 if (wtap_errlist_index >= WTAP_ERRLIST_SIZE) {
1385 g_snprintf(errbuf, 128, "Error %d", err);
1386 return errbuf;
1387 }
1388 if (wtap_errlist[wtap_errlist_index] == NULL)
1389 return "Unknown reason";
1390 return wtap_errlist[wtap_errlist_index];
1391 } else
1392 return g_strerror(err);
1393 }
1394
1395 /* Close only the sequential side, freeing up memory it uses.
1396
1397 Note that we do *not* want to call the subtype's close function,
1398 as it would free any per-subtype data, and that data may be
1399 needed by the random-access side.
1400
1401 Instead, if the subtype has a "sequential close" function, we call it,
1402 to free up stuff used only by the sequential side. */
1403 void
wtap_sequential_close(wtap * wth)1404 wtap_sequential_close(wtap *wth)
1405 {
1406 if (wth->subtype_sequential_close != NULL)
1407 (*wth->subtype_sequential_close)(wth);
1408
1409 if (wth->fh != NULL) {
1410 file_close(wth->fh);
1411 wth->fh = NULL;
1412 }
1413 }
1414
1415 static void
g_fast_seek_item_free(gpointer data,gpointer user_data _U_)1416 g_fast_seek_item_free(gpointer data, gpointer user_data _U_)
1417 {
1418 g_free(data);
1419 }
1420
1421 /*
1422 * Close the file descriptors for the sequential and random streams, but
1423 * don't discard any information about those streams. Used on Windows if
1424 * we need to rename a file that we have open or if we need to rename on
1425 * top of a file we have open.
1426 */
1427 void
wtap_fdclose(wtap * wth)1428 wtap_fdclose(wtap *wth)
1429 {
1430 if (wth->fh != NULL)
1431 file_fdclose(wth->fh);
1432 if (wth->random_fh != NULL)
1433 file_fdclose(wth->random_fh);
1434 }
1435
1436 void
wtap_close(wtap * wth)1437 wtap_close(wtap *wth)
1438 {
1439 wtap_sequential_close(wth);
1440
1441 if (wth->subtype_close != NULL)
1442 (*wth->subtype_close)(wth);
1443
1444 if (wth->random_fh != NULL)
1445 file_close(wth->random_fh);
1446
1447 g_free(wth->priv);
1448
1449 g_free(wth->pathname);
1450
1451 if (wth->fast_seek != NULL) {
1452 g_ptr_array_foreach(wth->fast_seek, g_fast_seek_item_free, NULL);
1453 g_ptr_array_free(wth->fast_seek, TRUE);
1454 }
1455
1456 wtap_block_array_free(wth->shb_hdrs);
1457 wtap_block_array_free(wth->nrb_hdrs);
1458 wtap_block_array_free(wth->interface_data);
1459 wtap_block_array_free(wth->dsbs);
1460
1461 g_free(wth);
1462 }
1463
1464 void
wtap_cleareof(wtap * wth)1465 wtap_cleareof(wtap *wth) {
1466 /* Reset EOF */
1467 file_clearerr(wth->fh);
1468 }
1469
wtap_set_cb_new_ipv4(wtap * wth,wtap_new_ipv4_callback_t add_new_ipv4)1470 void wtap_set_cb_new_ipv4(wtap *wth, wtap_new_ipv4_callback_t add_new_ipv4) {
1471 if (wth)
1472 wth->add_new_ipv4 = add_new_ipv4;
1473 }
1474
wtap_set_cb_new_ipv6(wtap * wth,wtap_new_ipv6_callback_t add_new_ipv6)1475 void wtap_set_cb_new_ipv6(wtap *wth, wtap_new_ipv6_callback_t add_new_ipv6) {
1476 if (wth)
1477 wth->add_new_ipv6 = add_new_ipv6;
1478 }
1479
wtap_set_cb_new_secrets(wtap * wth,wtap_new_secrets_callback_t add_new_secrets)1480 void wtap_set_cb_new_secrets(wtap *wth, wtap_new_secrets_callback_t add_new_secrets) {
1481 /* Is a valid wth given that supports DSBs? */
1482 if (!wth || !wth->dsbs)
1483 return;
1484
1485 wth->add_new_secrets = add_new_secrets;
1486 /*
1487 * Send all DSBs that were read so far to the new callback. file.c
1488 * relies on this to support redissection (during redissection, the
1489 * previous secrets are lost and has to be resupplied).
1490 */
1491 for (guint i = 0; i < wth->dsbs->len; i++) {
1492 wtap_block_t dsb = g_array_index(wth->dsbs, wtap_block_t, i);
1493 wtapng_process_dsb(wth, dsb);
1494 }
1495 }
1496
1497 void
wtapng_process_dsb(wtap * wth,wtap_block_t dsb)1498 wtapng_process_dsb(wtap *wth, wtap_block_t dsb)
1499 {
1500 const wtapng_dsb_mandatory_t *dsb_mand = (wtapng_dsb_mandatory_t*)wtap_block_get_mandatory_data(dsb);
1501
1502 if (wth->add_new_secrets)
1503 wth->add_new_secrets(dsb_mand->secrets_type, dsb_mand->secrets_data, dsb_mand->secrets_len);
1504 }
1505
1506 /* Perform per-packet initialization */
1507 static void
wtap_init_rec(wtap * wth,wtap_rec * rec)1508 wtap_init_rec(wtap *wth, wtap_rec *rec)
1509 {
1510 /*
1511 * Set the packet encapsulation to the file's encapsulation
1512 * value; if that's not WTAP_ENCAP_PER_PACKET, it's the
1513 * right answer (and means that the read routine for this
1514 * capture file type doesn't have to set it), and if it
1515 * *is* WTAP_ENCAP_PER_PACKET, the caller needs to set it
1516 * anyway.
1517 *
1518 * Do the same for the packet time stamp resolution.
1519 */
1520 rec->rec_header.packet_header.pkt_encap = wth->file_encap;
1521 rec->tsprec = wth->file_tsprec;
1522 rec->block = NULL;
1523 rec->block_was_modified = FALSE;
1524 }
1525
1526 gboolean
wtap_read(wtap * wth,wtap_rec * rec,Buffer * buf,int * err,gchar ** err_info,gint64 * offset)1527 wtap_read(wtap *wth, wtap_rec *rec, Buffer *buf, int *err,
1528 gchar **err_info, gint64 *offset)
1529 {
1530 /*
1531 * Initialize the record to default values.
1532 */
1533 wtap_init_rec(wth, rec);
1534
1535 *err = 0;
1536 *err_info = NULL;
1537 if (!wth->subtype_read(wth, rec, buf, err, err_info, offset)) {
1538 /*
1539 * If we didn't get an error indication, we read
1540 * the last packet. See if there's any deferred
1541 * error, as might, for example, occur if we're
1542 * reading a compressed file, and we got an error
1543 * reading compressed data from the file, but
1544 * got enough compressed data to decompress the
1545 * last packet of the file.
1546 */
1547 if (*err == 0)
1548 *err = file_error(wth->fh, err_info);
1549 if (rec->block != NULL) {
1550 /*
1551 * Unreference any block created for this record.
1552 */
1553 wtap_block_unref(rec->block);
1554 rec->block = NULL;
1555 }
1556 return FALSE; /* failure */
1557 }
1558
1559 /*
1560 * Is this a packet record?
1561 */
1562 if (rec->rec_type == REC_TYPE_PACKET) {
1563 /*
1564 * It makes no sense for the captured data length
1565 * to be bigger than the actual data length.
1566 */
1567 if (rec->rec_header.packet_header.caplen > rec->rec_header.packet_header.len)
1568 rec->rec_header.packet_header.caplen = rec->rec_header.packet_header.len;
1569
1570 /*
1571 * Make sure that it's not WTAP_ENCAP_PER_PACKET, as that
1572 * probably means the file has that encapsulation type
1573 * but the read routine didn't set this packet's
1574 * encapsulation type.
1575 */
1576 ws_assert(rec->rec_header.packet_header.pkt_encap != WTAP_ENCAP_PER_PACKET);
1577 }
1578
1579 return TRUE; /* success */
1580 }
1581
1582 /*
1583 * Read a given number of bytes from a file into a buffer or, if
1584 * buf is NULL, just discard them.
1585 *
1586 * If we succeed, return TRUE.
1587 *
1588 * If we get an EOF, return FALSE with *err set to 0, reporting this
1589 * as an EOF.
1590 *
1591 * If we get fewer bytes than the specified number, return FALSE with
1592 * *err set to WTAP_ERR_SHORT_READ, reporting this as a short read
1593 * error.
1594 *
1595 * If we get a read error, return FALSE with *err and *err_info set
1596 * appropriately.
1597 */
1598 gboolean
wtap_read_bytes_or_eof(FILE_T fh,void * buf,unsigned int count,int * err,gchar ** err_info)1599 wtap_read_bytes_or_eof(FILE_T fh, void *buf, unsigned int count, int *err,
1600 gchar **err_info)
1601 {
1602 int bytes_read;
1603
1604 bytes_read = file_read(buf, count, fh);
1605 if (bytes_read < 0 || (guint)bytes_read != count) {
1606 *err = file_error(fh, err_info);
1607 if (*err == 0 && bytes_read > 0)
1608 *err = WTAP_ERR_SHORT_READ;
1609 return FALSE;
1610 }
1611 return TRUE;
1612 }
1613
1614 /*
1615 * Read a given number of bytes from a file into a buffer or, if
1616 * buf is NULL, just discard them.
1617 *
1618 * If we succeed, return TRUE.
1619 *
1620 * If we get fewer bytes than the specified number, including getting
1621 * an EOF, return FALSE with *err set to WTAP_ERR_SHORT_READ, reporting
1622 * this as a short read error.
1623 *
1624 * If we get a read error, return FALSE with *err and *err_info set
1625 * appropriately.
1626 */
1627 gboolean
wtap_read_bytes(FILE_T fh,void * buf,unsigned int count,int * err,gchar ** err_info)1628 wtap_read_bytes(FILE_T fh, void *buf, unsigned int count, int *err,
1629 gchar **err_info)
1630 {
1631 int bytes_read;
1632
1633 bytes_read = file_read(buf, count, fh);
1634 if (bytes_read < 0 || (guint)bytes_read != count) {
1635 *err = file_error(fh, err_info);
1636 if (*err == 0)
1637 *err = WTAP_ERR_SHORT_READ;
1638 return FALSE;
1639 }
1640 return TRUE;
1641 }
1642
1643 /*
1644 * Read packet data into a Buffer, growing the buffer as necessary.
1645 *
1646 * This returns an error on a short read, even if the short read hit
1647 * the EOF immediately. (The assumption is that each packet has a
1648 * header followed by raw packet data, and that we've already read the
1649 * header, so if we get an EOF trying to read the packet data, the file
1650 * has been cut short, even if the read didn't read any data at all.)
1651 */
1652 gboolean
wtap_read_packet_bytes(FILE_T fh,Buffer * buf,guint length,int * err,gchar ** err_info)1653 wtap_read_packet_bytes(FILE_T fh, Buffer *buf, guint length, int *err,
1654 gchar **err_info)
1655 {
1656 ws_buffer_assure_space(buf, length);
1657 return wtap_read_bytes(fh, ws_buffer_start_ptr(buf), length, err,
1658 err_info);
1659 }
1660
1661 /*
1662 * Return an approximation of the amount of data we've read sequentially
1663 * from the file so far. (gint64, in case that's 64 bits.)
1664 */
1665 gint64
wtap_read_so_far(wtap * wth)1666 wtap_read_so_far(wtap *wth)
1667 {
1668 return file_tell_raw(wth->fh);
1669 }
1670
1671 /* Perform global/initial initialization */
1672 void
wtap_rec_init(wtap_rec * rec)1673 wtap_rec_init(wtap_rec *rec)
1674 {
1675 memset(rec, 0, sizeof *rec);
1676 ws_buffer_init(&rec->options_buf, 0);
1677 /* In the future, see if we can create rec->block here once
1678 * and have it be reused like the rest of rec.
1679 * Currently it's recreated for each packet.
1680 */
1681 }
1682
1683 /* re-initialize record */
1684 void
wtap_rec_reset(wtap_rec * rec)1685 wtap_rec_reset(wtap_rec *rec)
1686 {
1687 wtap_block_unref(rec->block);
1688 rec->block = NULL;
1689 rec->block_was_modified = FALSE;
1690 }
1691
1692 /* clean up record metadata */
1693 void
wtap_rec_cleanup(wtap_rec * rec)1694 wtap_rec_cleanup(wtap_rec *rec)
1695 {
1696 wtap_rec_reset(rec);
1697 ws_buffer_free(&rec->options_buf);
1698 }
1699
1700 gboolean
wtap_seek_read(wtap * wth,gint64 seek_off,wtap_rec * rec,Buffer * buf,int * err,gchar ** err_info)1701 wtap_seek_read(wtap *wth, gint64 seek_off, wtap_rec *rec, Buffer *buf,
1702 int *err, gchar **err_info)
1703 {
1704 /*
1705 * Initialize the record to default values.
1706 */
1707 wtap_init_rec(wth, rec);
1708
1709 *err = 0;
1710 *err_info = NULL;
1711 if (!wth->subtype_seek_read(wth, seek_off, rec, buf, err, err_info)) {
1712 if (rec->block != NULL) {
1713 /*
1714 * Unreference any block created for this record.
1715 */
1716 wtap_block_unref(rec->block);
1717 rec->block = NULL;
1718 }
1719 return FALSE;
1720 }
1721
1722 /*
1723 * Is this a packet record?
1724 */
1725 if (rec->rec_type == REC_TYPE_PACKET) {
1726 /*
1727 * It makes no sense for the captured data length
1728 * to be bigger than the actual data length.
1729 */
1730 if (rec->rec_header.packet_header.caplen > rec->rec_header.packet_header.len)
1731 rec->rec_header.packet_header.caplen = rec->rec_header.packet_header.len;
1732
1733 /*
1734 * Make sure that it's not WTAP_ENCAP_PER_PACKET, as that
1735 * probably means the file has that encapsulation type
1736 * but the read routine didn't set this packet's
1737 * encapsulation type.
1738 */
1739 ws_assert(rec->rec_header.packet_header.pkt_encap != WTAP_ENCAP_PER_PACKET);
1740 }
1741
1742 return TRUE;
1743 }
1744
1745 static gboolean
wtap_full_file_read_file(wtap * wth,FILE_T fh,wtap_rec * rec,Buffer * buf,int * err,gchar ** err_info)1746 wtap_full_file_read_file(wtap *wth, FILE_T fh, wtap_rec *rec, Buffer *buf, int *err, gchar **err_info)
1747 {
1748 gint64 file_size;
1749 int packet_size = 0;
1750 const int block_size = 1024 * 1024;
1751
1752 if ((file_size = wtap_file_size(wth, err)) == -1)
1753 return FALSE;
1754
1755 if (file_size > G_MAXINT) {
1756 /*
1757 * Avoid allocating space for an immensely-large file.
1758 */
1759 *err = WTAP_ERR_BAD_FILE;
1760 *err_info = g_strdup_printf("%s: File has %" G_GINT64_MODIFIER "d-byte packet, bigger than maximum of %u",
1761 wtap_encap_name(wth->file_encap), file_size, G_MAXINT);
1762 return FALSE;
1763 }
1764
1765 /*
1766 * Compressed files might expand to a larger size than the actual file
1767 * size. Try to read the full size and then read in smaller increments
1768 * to avoid frequent memory reallocations.
1769 */
1770 int buffer_size = block_size * (1 + (int)file_size / block_size);
1771 for (;;) {
1772 if (buffer_size <= 0) {
1773 *err = WTAP_ERR_BAD_FILE;
1774 *err_info = g_strdup_printf("%s: Uncompressed file is bigger than maximum of %u",
1775 wtap_encap_name(wth->file_encap), G_MAXINT);
1776 return FALSE;
1777 }
1778 ws_buffer_assure_space(buf, buffer_size);
1779 int nread = file_read(ws_buffer_start_ptr(buf) + packet_size, buffer_size - packet_size, fh);
1780 if (nread < 0) {
1781 *err = file_error(fh, err_info);
1782 if (*err == 0)
1783 *err = WTAP_ERR_BAD_FILE;
1784 return FALSE;
1785 }
1786 packet_size += nread;
1787 if (packet_size != buffer_size) {
1788 /* EOF */
1789 break;
1790 }
1791 buffer_size += block_size;
1792 }
1793
1794 rec->rec_type = REC_TYPE_PACKET;
1795 rec->presence_flags = 0; /* yes, we have no bananas^Wtime stamp */
1796 rec->ts.secs = 0;
1797 rec->ts.nsecs = 0;
1798 rec->rec_header.packet_header.caplen = packet_size;
1799 rec->rec_header.packet_header.len = packet_size;
1800
1801 return TRUE;
1802 }
1803
1804 gboolean
wtap_full_file_read(wtap * wth,wtap_rec * rec,Buffer * buf,int * err,gchar ** err_info,gint64 * data_offset)1805 wtap_full_file_read(wtap *wth, wtap_rec *rec, Buffer *buf,
1806 int *err, gchar **err_info, gint64 *data_offset)
1807 {
1808 gint64 offset = file_tell(wth->fh);
1809
1810 /* There is only one packet with the full file contents. */
1811 if (offset != 0) {
1812 *err = 0;
1813 return FALSE;
1814 }
1815
1816 *data_offset = offset;
1817 return wtap_full_file_read_file(wth, wth->fh, rec, buf, err, err_info);
1818 }
1819
1820 gboolean
wtap_full_file_seek_read(wtap * wth,gint64 seek_off,wtap_rec * rec,Buffer * buf,int * err,gchar ** err_info)1821 wtap_full_file_seek_read(wtap *wth, gint64 seek_off, wtap_rec *rec, Buffer *buf, int *err, gchar **err_info)
1822 {
1823 /* There is only one packet with the full file contents. */
1824 if (seek_off > 0) {
1825 *err = 0;
1826 return FALSE;
1827 }
1828
1829 if (file_seek(wth->random_fh, seek_off, SEEK_SET, err) == -1)
1830 return FALSE;
1831
1832 return wtap_full_file_read_file(wth, wth->random_fh, rec, buf, err, err_info);
1833 }
1834
1835 /*
1836 * Initialize the library.
1837 */
1838 void
wtap_init(gboolean load_wiretap_plugins)1839 wtap_init(gboolean load_wiretap_plugins)
1840 {
1841 init_open_routines();
1842 wtap_opttypes_initialize();
1843 wtap_init_encap_types();
1844 wtap_init_file_type_subtypes();
1845 if (load_wiretap_plugins) {
1846 #ifdef HAVE_PLUGINS
1847 libwiretap_plugins = plugins_init(WS_PLUGIN_WIRETAP);
1848 #endif
1849 g_slist_foreach(wtap_plugins, call_plugin_register_wtap_module, NULL);
1850 }
1851 }
1852
1853 /*
1854 * Cleanup the library
1855 */
1856 void
wtap_cleanup(void)1857 wtap_cleanup(void)
1858 {
1859 wtap_cleanup_encap_types();
1860 wtap_opttypes_cleanup();
1861 ws_buffer_cleanup();
1862 cleanup_open_routines();
1863 g_slist_free(wtap_plugins);
1864 wtap_plugins = NULL;
1865 #ifdef HAVE_PLUGINS
1866 plugins_cleanup(libwiretap_plugins);
1867 libwiretap_plugins = NULL;
1868 #endif
1869 }
1870
1871 /*
1872 * Editor modelines - https://www.wireshark.org/tools/modelines.html
1873 *
1874 * Local variables:
1875 * c-basic-offset: 8
1876 * tab-width: 8
1877 * indent-tabs-mode: t
1878 * End:
1879 *
1880 * vi: set shiftwidth=8 tabstop=8 noexpandtab:
1881 * :indentSize=8:tabSize=8:noTabs=false:
1882 */
1883