5 * Wireshark Protocol Analyzer Library
7 * Copyright (c) 2001 by Gerald Combs <gerald@wireshark.org>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
27 #include <Python.h> /* to get the Python version number (PY_VERSION) */
31 #include <wsutil/wsgcrypt.h>
32 #endif /* HAVE_LIBGCRYPT */
35 #include <gnutls/gnutls.h>
36 #endif /* HAVE_LIBGNUTLS */
41 #include "epan_dissect.h"
42 #include "wsutil/report_err.h"
44 #include "conversation.h"
49 #include "column-utils.h"
51 #include "addr_resolv.h"
54 #include "wmem/wmem.h"
59 #include <wslua/wslua.h>
67 #include <ares_version.h>
70 static wmem_allocator_t *pinfo_pool_cache = NULL;
73 epan_get_version(void) {
78 epan_init(void (*register_all_protocols_func)(register_cb cb, gpointer client_data),
79 void (*register_all_handoffs_func)(register_cb cb, gpointer client_data),
82 void (*report_failure_fcn_p)(const char *, va_list),
83 void (*report_open_failure_fcn_p)(const char *, int, gboolean),
84 void (*report_read_failure_fcn_p)(const char *, int),
85 void (*report_write_failure_fcn_p)(const char *, int))
87 init_report_err(report_failure_fcn_p, report_open_failure_fcn_p,
88 report_read_failure_fcn_p, report_write_failure_fcn_p);
90 /* initialize memory allocation subsystems */
94 /* initialize the GUID to name mapping table */
97 /* initialize name resolution (addr_resolv.c) */
101 #ifdef HAVE_LIBGCRYPT
102 /* initialize libgcrypt (beware, it won't be thread-safe) */
103 gcry_check_version(NULL);
104 gcry_control (GCRYCTL_DISABLE_SECMEM, 0);
105 gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
107 #ifdef HAVE_LIBGNUTLS
108 gnutls_global_init();
114 proto_init(register_all_protocols_func, register_all_handoffs_func,
116 packet_cache_proto_handles();
118 final_registration_all_protocols();
119 expert_packet_init();
121 wslua_init(cb, client_data);
136 #ifdef HAVE_LIBGNUTLS
137 gnutls_global_deinit();
140 addr_resolv_cleanup();
147 epan_t *session = g_slice_new(epan_t);
149 /* XXX, it should take session as param */
156 epan_get_user_comment(const epan_t *session, const frame_data *fd)
158 if (session->get_user_comment)
159 return session->get_user_comment(session->data, fd);
165 epan_get_interface_name(const epan_t *session, guint32 interface_id)
167 if (session->get_interface_name)
168 return session->get_interface_name(session->data, interface_id);
174 epan_get_frame_ts(const epan_t *session, guint32 frame_num)
176 const nstime_t *abs_ts = NULL;
178 if (session->get_frame_ts)
179 abs_ts = session->get_frame_ts(session->data, frame_num);
182 g_warning("!!! couldn't get frame ts for %u !!!\n", frame_num);
188 epan_free(epan_t *session)
191 /* XXX, it should take session as param */
192 cleanup_dissection();
194 g_slice_free(epan_t, session);
199 epan_conversation_init(void)
205 epan_conversation_cleanup(void)
207 conversation_cleanup();
211 epan_circuit_init(void)
217 epan_circuit_cleanup(void)
223 epan_dissect_init(epan_dissect_t *edt, epan_t *session, const gboolean create_proto_tree, const gboolean proto_tree_visible)
227 edt->session = session;
229 memset(&edt->pi, 0, sizeof(edt->pi));
230 if (pinfo_pool_cache != NULL) {
231 edt->pi.pool = pinfo_pool_cache;
232 pinfo_pool_cache = NULL;
235 edt->pi.pool = wmem_allocator_new(WMEM_ALLOCATOR_BLOCK);
238 if (create_proto_tree) {
239 edt->tree = proto_tree_create_root(&edt->pi);
240 proto_tree_set_visible(edt->tree, proto_tree_visible);
252 epan_dissect_reset(epan_dissect_t *edt)
254 /* We have to preserve the pool pointer across the memzeroing */
255 wmem_allocator_t *tmp;
259 g_slist_free(edt->pi.dependent_frames);
261 /* Free the data sources list. */
262 free_data_sources(&edt->pi);
265 /* Free all tvb's chained from this tvb */
266 tvb_free_chain(edt->tvb);
271 proto_tree_reset(edt->tree);
276 memset(&edt->pi, 0, sizeof(edt->pi));
281 epan_dissect_new(epan_t *session, const gboolean create_proto_tree, const gboolean proto_tree_visible)
285 edt = g_new0(epan_dissect_t, 1);
287 return epan_dissect_init(edt, session, create_proto_tree, proto_tree_visible);
291 epan_dissect_fake_protocols(epan_dissect_t *edt, const gboolean fake_protocols)
294 proto_tree_set_fake_protocols(edt->tree, fake_protocols);
298 epan_dissect_run(epan_dissect_t *edt, struct wtap_pkthdr *phdr,
299 tvbuff_t *tvb, frame_data *fd, column_info *cinfo)
302 wslua_prime_dfilter(edt); /* done before entering wmem scope */
304 wmem_enter_packet_scope();
305 dissect_packet(edt, phdr, tvb, fd, cinfo);
307 /* free all memory allocated */
309 wmem_leave_packet_scope();
313 epan_dissect_run_with_taps(epan_dissect_t *edt, struct wtap_pkthdr *phdr,
314 tvbuff_t *tvb, frame_data *fd, column_info *cinfo)
316 wmem_enter_packet_scope();
318 dissect_packet(edt, phdr, tvb, fd, cinfo);
319 tap_push_tapped_queue(edt);
321 /* free all memory allocated */
323 wmem_leave_packet_scope();
327 epan_dissect_cleanup(epan_dissect_t* edt)
331 g_slist_free(edt->pi.dependent_frames);
333 /* Free the data sources list. */
334 free_data_sources(&edt->pi);
337 /* Free all tvb's chained from this tvb */
338 tvb_free_chain(edt->tvb);
342 proto_tree_free(edt->tree);
345 if (pinfo_pool_cache == NULL) {
346 wmem_free_all(edt->pi.pool);
347 pinfo_pool_cache = edt->pi.pool;
350 wmem_destroy_allocator(edt->pi.pool);
355 epan_dissect_free(epan_dissect_t* edt)
357 epan_dissect_cleanup(edt);
362 epan_dissect_prime_dfilter(epan_dissect_t *edt, const dfilter_t* dfcode)
364 dfilter_prime_proto_tree(dfcode, edt->tree);
367 /* ----------------------- */
369 epan_custom_set(epan_dissect_t *edt, int field_id,
372 gchar *expr, const int size )
374 return proto_custom_set(edt->tree, field_id, occurrence, result, expr, size);
378 epan_dissect_fill_in_columns(epan_dissect_t *edt, const gboolean fill_col_exprs, const gboolean fill_fd_colums)
380 col_custom_set_edt(edt, edt->pi.cinfo);
381 col_fill_in(&edt->pi, fill_col_exprs, fill_fd_colums);
385 epan_dissect_packet_contains_field(epan_dissect_t* edt,
386 const char *field_name)
390 gboolean contains_field;
392 if (!edt || !edt->tree)
394 field_id = proto_get_id_by_filter_name(field_name);
397 array = proto_find_finfo(edt->tree, field_id);
398 contains_field = (array->len > 0) ? TRUE : FALSE;
399 g_ptr_array_free(array, TRUE);
400 return contains_field;
404 * Get compile-time information for libraries used by libwireshark.
407 epan_get_compiled_version_info(GString *str)
410 g_string_append(str, ", ");
412 g_string_append(str, "with SMI " SMI_VERSION_STRING);
413 #else /* no SNMP library */
414 g_string_append(str, "without SMI");
418 g_string_append(str, ", ");
420 g_string_append(str, "with c-ares " ARES_VERSION_STR);
422 g_string_append(str, "without c-ares");
424 /* ADNS - only add if no c-ares */
425 g_string_append(str, ", ");
427 g_string_append(str, "with ADNS");
429 g_string_append(str, "without ADNS");
430 #endif /* HAVE_GNU_ADNS */
431 #endif /* HAVE_C_ARES */
434 g_string_append(str, ", ");
436 g_string_append(str, "with ");
437 g_string_append(str, LUA_VERSION);
439 g_string_append(str, "without Lua");
440 #endif /* HAVE_LUA */
442 g_string_append(str, ", ");
444 g_string_append(str, "with Python");
446 g_string_append(str, " " PY_VERSION);
447 #endif /* PY_VERSION */
449 g_string_append(str, "without Python");
450 #endif /* HAVE_PYTHON */
453 g_string_append(str, ", ");
454 #ifdef HAVE_LIBGNUTLS
455 g_string_append(str, "with GnuTLS " LIBGNUTLS_VERSION);
457 g_string_append(str, "without GnuTLS");
458 #endif /* HAVE_LIBGNUTLS */
461 g_string_append(str, ", ");
462 #ifdef HAVE_LIBGCRYPT
463 g_string_append(str, "with Gcrypt " GCRYPT_VERSION);
465 g_string_append(str, "without Gcrypt");
466 #endif /* HAVE_LIBGCRYPT */
469 /* XXX - I don't see how to get the version number, at least for KfW */
470 g_string_append(str, ", ");
472 #ifdef HAVE_MIT_KERBEROS
473 g_string_append(str, "with MIT Kerberos");
475 /* HAVE_HEIMDAL_KERBEROS */
476 g_string_append(str, "with Heimdal Kerberos");
479 g_string_append(str, "without Kerberos");
480 #endif /* HAVE_KERBEROS */
483 g_string_append(str, ", ");
485 g_string_append(str, "with GeoIP");
487 g_string_append(str, "without GeoIP");
488 #endif /* HAVE_GEOIP */
493 * Get runtime information for libraries used by libwireshark.
496 epan_get_runtime_version_info(GString *str
497 #if !defined(HAVE_LIBGNUTLS) && !defined(HAVE_LIBGCRYPT)
503 #ifdef HAVE_LIBGNUTLS
504 g_string_append_printf(str, ", GnuTLS %s", gnutls_check_version(NULL));
505 #endif /* HAVE_LIBGNUTLS */
508 #ifdef HAVE_LIBGCRYPT
509 g_string_append_printf(str, ", Gcrypt %s", gcry_check_version(NULL));
510 #endif /* HAVE_LIBGCRYPT */
514 * Editor modelines - http://www.wireshark.org/tools/modelines.html
519 * indent-tabs-mode: t
522 * vi: set shiftwidth=8 tabstop=8 noexpandtab:
523 * :indentSize=8:tabSize=8:noTabs=false: