365 lines
7.9 KiB
C
365 lines
7.9 KiB
C
/* epan.c
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*
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* $Id$
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*
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* Wireshark Protocol Analyzer Library
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*
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* Copyright (c) 2001 by Gerald Combs <gerald@wireshark.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#ifdef HAVE_PYTHON
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#include <Python.h> /* to get the Python version number (PY_VERSION) */
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#endif
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#ifdef HAVE_LIBGCRYPT
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#include <gcrypt.h>
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#endif /* HAVE_LIBGCRYPT */
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#ifdef HAVE_LIBGNUTLS
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#include <gnutls/gnutls.h>
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#endif /* HAVE_LIBGNUTLS */
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#include <glib.h>
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#include "epan.h"
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#include "epan_dissect.h"
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#include "report_err.h"
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#include "conversation.h"
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#include "circuit.h"
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#include "except.h"
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#include "packet.h"
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#include "prefs.h"
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#include "column-utils.h"
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#include "tap.h"
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#include "addr_resolv.h"
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#include "oids.h"
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#include "emem.h"
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#include "expert.h"
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#ifdef HAVE_LUA
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#include <lua.h>
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#include <wslua/wslua.h>
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#endif
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#ifdef HAVE_LIBSMI
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#include <smi.h>
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#endif
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#ifdef HAVE_C_ARES
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#include <ares_version.h>
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#endif
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/*
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* Refcount the edt:s and don't free ep memory until refcount = 0
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* See https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5284
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*
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*/
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static guint edt_refs = 0;
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const gchar*
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epan_get_version(void) {
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return VERSION;
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}
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void
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epan_init(void (*register_all_protocols_func)(register_cb cb, gpointer client_data),
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void (*register_all_handoffs_func)(register_cb cb, gpointer client_data),
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register_cb cb,
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gpointer client_data,
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void (*report_failure_fcn_p)(const char *, va_list),
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void (*report_open_failure_fcn_p)(const char *, int, gboolean),
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void (*report_read_failure_fcn_p)(const char *, int),
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void (*report_write_failure_fcn_p)(const char *, int))
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{
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init_report_err(report_failure_fcn_p, report_open_failure_fcn_p,
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report_read_failure_fcn_p, report_write_failure_fcn_p);
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/* initialize memory allocation subsystem */
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emem_init();
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/* initialize the GUID to name mapping table */
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guids_init();
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except_init();
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#ifdef HAVE_LIBGNUTLS
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gnutls_global_init();
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#elif defined(HAVE_LIBGCRYPT)
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gcry_check_version(NULL);
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#endif
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tap_init();
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prefs_init();
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proto_init(register_all_protocols_func, register_all_handoffs_func,
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cb, client_data);
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packet_init();
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dfilter_init();
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final_registration_all_protocols();
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host_name_lookup_init();
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expert_init();
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#ifdef HAVE_LUA
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wslua_init(cb, client_data);
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#endif
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}
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void
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epan_cleanup(void)
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{
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cleanup_dissection();
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dfilter_cleanup();
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proto_cleanup();
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prefs_cleanup();
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packet_cleanup();
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oid_resolv_cleanup();
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#ifdef HAVE_LIBGNUTLS
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gnutls_global_deinit();
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#endif
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except_deinit();
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host_name_lookup_cleanup();
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}
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void
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epan_conversation_init(void)
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{
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conversation_init();
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}
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void
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epan_conversation_cleanup(void)
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{
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conversation_cleanup();
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}
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void
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epan_circuit_init(void)
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{
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circuit_init();
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}
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void
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epan_circuit_cleanup(void)
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{
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circuit_cleanup();
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}
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epan_dissect_t*
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epan_dissect_init(epan_dissect_t *edt, const gboolean create_proto_tree, const gboolean proto_tree_visible)
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{
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g_assert(edt);
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if (create_proto_tree) {
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edt->tree = proto_tree_create_root(&edt->pi);
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proto_tree_set_visible(edt->tree, proto_tree_visible);
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}
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else {
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edt->tree = NULL;
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}
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edt->pi.dependent_frames = NULL;
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edt_refs++;
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return edt;
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}
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epan_dissect_t*
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epan_dissect_new(const gboolean create_proto_tree, const gboolean proto_tree_visible)
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{
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epan_dissect_t *edt;
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edt = g_new0(epan_dissect_t, 1);
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return epan_dissect_init(edt, create_proto_tree, proto_tree_visible);
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}
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void
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epan_dissect_fake_protocols(epan_dissect_t *edt, const gboolean fake_protocols)
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{
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if (edt)
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proto_tree_set_fake_protocols(edt->tree, fake_protocols);
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}
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void
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epan_dissect_run(epan_dissect_t *edt, void* pseudo_header,
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const guint8* data, frame_data *fd, column_info *cinfo)
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{
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dissect_packet(edt, pseudo_header, data, fd, cinfo);
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}
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void
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epan_dissect_cleanup(epan_dissect_t* edt)
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{
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g_assert(edt);
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g_slist_free(edt->pi.dependent_frames);
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/* Free the data sources list. */
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free_data_sources(&edt->pi);
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/* Free all tvb's chained from this tvb */
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tvb_free_chain(edt->tvb);
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if (edt->tree) {
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proto_tree_free(edt->tree);
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}
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edt_refs--;
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if (edt_refs == 0)
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ep_free_all();
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}
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void
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epan_dissect_free(epan_dissect_t* edt)
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{
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epan_dissect_cleanup(edt);
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g_free(edt);
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}
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void
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epan_dissect_prime_dfilter(epan_dissect_t *edt, const dfilter_t* dfcode)
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{
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dfilter_prime_proto_tree(dfcode, edt->tree);
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}
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/* ----------------------- */
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const gchar *
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epan_custom_set(epan_dissect_t *edt, int field_id,
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gint occurrence,
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gchar *result,
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gchar *expr, const int size )
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{
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return proto_custom_set(edt->tree, field_id, occurrence, result, expr, size);
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}
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void
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epan_dissect_fill_in_columns(epan_dissect_t *edt, const gboolean fill_col_exprs, const gboolean fill_fd_colums)
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{
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col_custom_set_edt(edt, edt->pi.cinfo);
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col_fill_in(&edt->pi, fill_col_exprs, fill_fd_colums);
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}
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/*
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* Get compile-time information for libraries used by libwireshark.
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*/
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void
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epan_get_compiled_version_info(GString *str)
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{
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/* SNMP */
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g_string_append(str, ", ");
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#ifdef HAVE_LIBSMI
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g_string_append(str, "with SMI " SMI_VERSION_STRING);
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#else /* no SNMP library */
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g_string_append(str, "without SMI");
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#endif /* _SMI_H */
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/* c-ares */
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g_string_append(str, ", ");
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#ifdef HAVE_C_ARES
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g_string_append(str, "with c-ares " ARES_VERSION_STR);
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#else
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g_string_append(str, "without c-ares");
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/* ADNS - only add if no c-ares */
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g_string_append(str, ", ");
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#ifdef HAVE_GNU_ADNS
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g_string_append(str, "with ADNS");
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#else
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g_string_append(str, "without ADNS");
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#endif /* HAVE_GNU_ADNS */
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#endif /* HAVE_C_ARES */
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/* LUA */
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g_string_append(str, ", ");
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#ifdef HAVE_LUA
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g_string_append(str, "with ");
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g_string_append(str, LUA_VERSION);
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#else
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g_string_append(str, "without Lua");
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#endif /* HAVE_LUA */
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g_string_append(str, ", ");
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#ifdef HAVE_PYTHON
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g_string_append(str, "with Python");
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#ifdef PY_VERSION
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g_string_append(str, " " PY_VERSION);
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#endif /* PY_VERSION */
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#else
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g_string_append(str, "without Python");
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#endif /* HAVE_PYTHON */
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/* GnuTLS */
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g_string_append(str, ", ");
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#ifdef HAVE_LIBGNUTLS
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g_string_append(str, "with GnuTLS " LIBGNUTLS_VERSION);
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#else
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g_string_append(str, "without GnuTLS");
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#endif /* HAVE_LIBGNUTLS */
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/* Gcrypt */
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g_string_append(str, ", ");
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#ifdef HAVE_LIBGCRYPT
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g_string_append(str, "with Gcrypt " GCRYPT_VERSION);
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#else
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g_string_append(str, "without Gcrypt");
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#endif /* HAVE_LIBGCRYPT */
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/* Kerberos */
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/* XXX - I don't see how to get the version number, at least for KfW */
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g_string_append(str, ", ");
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#ifdef HAVE_KERBEROS
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#ifdef HAVE_MIT_KERBEROS
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g_string_append(str, "with MIT Kerberos");
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#else
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/* HAVE_HEIMDAL_KERBEROS */
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g_string_append(str, "with Heimdal Kerberos");
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#endif
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#else
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g_string_append(str, "without Kerberos");
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#endif /* HAVE_KERBEROS */
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/* GeoIP */
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g_string_append(str, ", ");
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#ifdef HAVE_GEOIP
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g_string_append(str, "with GeoIP");
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#else
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g_string_append(str, "without GeoIP");
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#endif /* HAVE_GEOIP */
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}
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/*
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* Get runtime information for libraries used by libwireshark.
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*/
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void
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epan_get_runtime_version_info(GString *str
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#if !defined(HAVE_LIBGNUTLS) && !defined(HAVE_LIBGCRYPT)
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_U_
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#endif
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)
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{
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/* GnuTLS */
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#ifdef HAVE_LIBGNUTLS
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g_string_append_printf(str, ", GnuTLS %s", gnutls_check_version(NULL));
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#endif /* HAVE_LIBGNUTLS */
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/* Gcrypt */
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#ifdef HAVE_LIBGCRYPT
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g_string_append_printf(str, ", Gcrypt %s", gcry_check_version(NULL));
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#endif /* HAVE_LIBGCRYPT */
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}
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