forked from osmocom/wireshark
![Mikhail Gusarov](/assets/img/avatar_default.png)
This header type was added to pcap registry a year ago: https://lists.sandelman.ca/pipermail/tcpdump-workers/2019-July/001268.html
1764 lines
43 KiB
C
1764 lines
43 KiB
C
/* wtap.c
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*
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* Wiretap Library
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* Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <config.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include "wtap-int.h"
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#include "wtap_opttypes.h"
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#include "pcapng.h"
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#include "file_wrappers.h"
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#include <wsutil/file_util.h>
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#include <wsutil/buffer.h>
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#ifdef HAVE_PLUGINS
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static plugins_t *libwiretap_plugins = NULL;
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static GSList *wtap_plugins = NULL;
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void
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wtap_register_plugin(const wtap_plugin *plug)
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{
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wtap_plugins = g_slist_prepend(wtap_plugins, (wtap_plugin *)plug);
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}
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static void
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call_plugin_register_wtap_module(gpointer data, gpointer user_data _U_)
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{
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wtap_plugin *plug = (wtap_plugin *)data;
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if (plug->register_wtap_module) {
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plug->register_wtap_module();
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}
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}
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#endif /* HAVE_PLUGINS */
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/*
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* Return the size of the file, as reported by the OS.
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* (gint64, in case that's 64 bits.)
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*/
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gint64
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wtap_file_size(wtap *wth, int *err)
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{
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ws_statb64 statb;
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if (file_fstat((wth->fh == NULL) ? wth->random_fh : wth->fh,
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&statb, err) == -1)
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return -1;
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return statb.st_size;
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}
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/*
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* Do an fstat on the file.
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*/
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int
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wtap_fstat(wtap *wth, ws_statb64 *statb, int *err)
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{
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if (file_fstat((wth->fh == NULL) ? wth->random_fh : wth->fh,
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statb, err) == -1)
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return -1;
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return 0;
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}
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int
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wtap_file_type_subtype(wtap *wth)
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{
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return wth->file_type_subtype;
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}
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guint
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wtap_snapshot_length(wtap *wth)
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{
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return wth->snapshot_length;
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}
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int
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wtap_file_encap(wtap *wth)
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{
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return wth->file_encap;
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}
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int
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wtap_file_tsprec(wtap *wth)
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{
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return wth->file_tsprec;
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}
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guint
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wtap_file_get_num_shbs(wtap *wth)
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{
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return wth->shb_hdrs->len;
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}
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wtap_block_t
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wtap_file_get_shb(wtap *wth, guint shb_num)
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{
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if ((wth == NULL) || (wth->shb_hdrs == NULL) || (shb_num >= wth->shb_hdrs->len))
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return NULL;
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return g_array_index(wth->shb_hdrs, wtap_block_t, shb_num);
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}
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GArray*
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wtap_file_get_shb_for_new_file(wtap *wth)
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{
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guint shb_count;
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wtap_block_t shb_hdr_src, shb_hdr_dest;
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GArray* shb_hdrs;
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if ((wth == NULL) || (wth->shb_hdrs == NULL) || (wth->shb_hdrs->len == 0))
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return NULL;
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shb_hdrs = g_array_new(FALSE, FALSE, sizeof(wtap_block_t));
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for (shb_count = 0; shb_count < wth->shb_hdrs->len; shb_count++) {
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shb_hdr_src = g_array_index(wth->shb_hdrs, wtap_block_t, shb_count);
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shb_hdr_dest = wtap_block_create(WTAP_BLOCK_NG_SECTION);
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wtap_block_copy(shb_hdr_dest, shb_hdr_src);
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g_array_append_val(shb_hdrs, shb_hdr_dest);
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}
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return shb_hdrs;
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}
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/*
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* XXX - replace with APIs that let us handle multiple comments.
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*/
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void
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wtap_write_shb_comment(wtap *wth, gchar *comment)
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{
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if ((wth != NULL) && (wth->shb_hdrs != NULL) && (wth->shb_hdrs->len > 0)) {
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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));
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}
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}
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wtapng_iface_descriptions_t *
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wtap_file_get_idb_info(wtap *wth)
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{
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wtapng_iface_descriptions_t *idb_info;
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idb_info = g_new(wtapng_iface_descriptions_t,1);
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idb_info->interface_data = wth->interface_data;
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return idb_info;
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}
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void
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wtap_add_idb(wtap *wth, wtap_block_t idb)
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{
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g_array_append_val(wth->interface_data, idb);
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}
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void
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wtap_add_generated_idb(wtap *wth)
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{
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wtap_block_t idb;
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wtapng_if_descr_mandatory_t *if_descr_mand;
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int snaplen;
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g_assert(wth->file_encap != WTAP_ENCAP_UNKNOWN &&
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wth->file_encap != WTAP_ENCAP_PER_PACKET);
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g_assert(wth->file_tsprec != WTAP_TSPREC_UNKNOWN &&
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wth->file_tsprec != WTAP_TSPREC_PER_PACKET);
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idb = wtap_block_create(WTAP_BLOCK_IF_DESCR);
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if_descr_mand = (wtapng_if_descr_mandatory_t*)wtap_block_get_mandatory_data(idb);
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if_descr_mand->wtap_encap = wth->file_encap;
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if_descr_mand->tsprecision = wth->file_tsprec;
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switch (wth->file_tsprec) {
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case WTAP_TSPREC_SEC:
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if_descr_mand->time_units_per_second = 1;
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wtap_block_add_uint8_option(idb, OPT_IDB_TSRESOL, 0);
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break;
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case WTAP_TSPREC_DSEC:
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if_descr_mand->time_units_per_second = 10;
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wtap_block_add_uint8_option(idb, OPT_IDB_TSRESOL, 1);
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break;
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case WTAP_TSPREC_CSEC:
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if_descr_mand->time_units_per_second = 100;
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wtap_block_add_uint8_option(idb, OPT_IDB_TSRESOL, 2);
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break;
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case WTAP_TSPREC_MSEC:
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if_descr_mand->time_units_per_second = 1000;
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wtap_block_add_uint8_option(idb, OPT_IDB_TSRESOL, 3);
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break;
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case WTAP_TSPREC_USEC:
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if_descr_mand->time_units_per_second = 1000000;
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/* This is the default, so no need to add an option */
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break;
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case WTAP_TSPREC_NSEC:
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if_descr_mand->time_units_per_second = 1000000000;
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wtap_block_add_uint8_option(idb, OPT_IDB_TSRESOL, 9);
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break;
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case WTAP_TSPREC_PER_PACKET:
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case WTAP_TSPREC_UNKNOWN:
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default:
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/*
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* Don't do this.
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*/
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g_assert_not_reached();
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break;
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}
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snaplen = wth->snapshot_length;
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if (snaplen == 0) {
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/*
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* No snapshot length was specified. Pick an
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* appropriate snapshot length for this
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* link-layer type.
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*
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* We use WTAP_MAX_PACKET_SIZE_STANDARD for everything except
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* D-Bus, which has a maximum packet size of 128MB,
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* and EBHSCR, which has a maximum packet size of 8MB,
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* which is more than we want to put into files
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* with other link-layer header types, as that
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* might cause some software reading those files
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* to allocate an unnecessarily huge chunk of
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* memory for a packet buffer.
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*/
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if (wth->file_encap == WTAP_ENCAP_DBUS)
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snaplen = 128*1024*1024;
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else if (wth->file_encap == WTAP_ENCAP_EBHSCR)
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snaplen = 8*1024*1024;
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else
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snaplen = WTAP_MAX_PACKET_SIZE_STANDARD;
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}
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if_descr_mand->snap_len = snaplen;
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if_descr_mand->num_stat_entries = 0; /* Number of ISBs */
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if_descr_mand->interface_statistics = NULL;
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/*
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* Add this IDB.
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*/
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wtap_add_idb(wth, idb);
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}
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void
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wtap_free_idb_info(wtapng_iface_descriptions_t *idb_info)
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{
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if (idb_info == NULL)
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return;
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wtap_block_array_free(idb_info->interface_data);
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g_free(idb_info);
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}
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gchar *
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wtap_get_debug_if_descr(const wtap_block_t if_descr,
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const int indent,
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const char* line_end)
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{
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char* tmp_content;
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wtapng_if_descr_mandatory_t* if_descr_mand;
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GString *info = g_string_new("");
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guint64 tmp64;
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gint8 itmp8;
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guint8 tmp8;
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wtapng_if_descr_filter_t* if_filter;
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g_assert(if_descr);
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if_descr_mand = (wtapng_if_descr_mandatory_t*)wtap_block_get_mandatory_data(if_descr);
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if (wtap_block_get_string_option_value(if_descr, OPT_IDB_NAME, &tmp_content) == WTAP_OPTTYPE_SUCCESS) {
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g_string_printf(info,
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"%*cName = %s%s", indent, ' ',
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tmp_content ? tmp_content : "UNKNOWN",
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line_end);
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}
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if (wtap_block_get_string_option_value(if_descr, OPT_IDB_DESCR, &tmp_content) == WTAP_OPTTYPE_SUCCESS) {
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g_string_append_printf(info,
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"%*cDescription = %s%s", indent, ' ',
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tmp_content ? tmp_content : "NONE",
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line_end);
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}
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g_string_append_printf(info,
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"%*cEncapsulation = %s (%d - %s)%s", indent, ' ',
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wtap_encap_description(if_descr_mand->wtap_encap),
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if_descr_mand->wtap_encap,
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wtap_encap_name(if_descr_mand->wtap_encap),
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line_end);
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if (wtap_block_get_string_option_value(if_descr, OPT_IDB_HARDWARE, &tmp_content) == WTAP_OPTTYPE_SUCCESS) {
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g_string_append_printf(info,
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"%*cHardware = %s%s", indent, ' ',
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tmp_content ? tmp_content : "NONE",
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line_end);
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}
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if (wtap_block_get_uint64_option_value(if_descr, OPT_IDB_SPEED, &tmp64) == WTAP_OPTTYPE_SUCCESS) {
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g_string_append_printf(info,
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"%*cSpeed = %" G_GINT64_MODIFIER "u%s", indent, ' ',
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tmp64,
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line_end);
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}
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g_string_append_printf(info,
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"%*cCapture length = %u%s", indent, ' ',
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if_descr_mand->snap_len,
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line_end);
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if (wtap_block_get_uint8_option_value(if_descr, OPT_IDB_FCSLEN, &itmp8) == WTAP_OPTTYPE_SUCCESS) {
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g_string_append_printf(info,
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"%*cFCS length = %d%s", indent, ' ',
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itmp8,
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line_end);
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}
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g_string_append_printf(info,
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"%*cTime precision = %s (%d)%s", indent, ' ',
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wtap_tsprec_string(if_descr_mand->tsprecision),
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if_descr_mand->tsprecision,
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line_end);
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g_string_append_printf(info,
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"%*cTime ticks per second = %" G_GINT64_MODIFIER "u%s", indent, ' ',
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if_descr_mand->time_units_per_second,
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line_end);
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if (wtap_block_get_uint8_option_value(if_descr, OPT_IDB_TSRESOL, &tmp8) == WTAP_OPTTYPE_SUCCESS) {
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g_string_append_printf(info,
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"%*cTime resolution = 0x%.2x%s", indent, ' ',
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tmp8,
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line_end);
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}
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if (wtap_block_get_custom_option_value(if_descr, OPT_IDB_FILTER, (void**)&if_filter) == WTAP_OPTTYPE_SUCCESS) {
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g_string_append_printf(info,
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"%*cFilter string = %s%s", indent, ' ',
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if_filter->if_filter_str ? if_filter->if_filter_str : "NONE",
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line_end);
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g_string_append_printf(info,
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"%*cBPF filter length = %u%s", indent, ' ',
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if_filter->bpf_filter_len,
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line_end);
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}
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if (wtap_block_get_string_option_value(if_descr, OPT_IDB_OS, &tmp_content) == WTAP_OPTTYPE_SUCCESS) {
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g_string_append_printf(info,
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"%*cOperating system = %s%s", indent, ' ',
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tmp_content ? tmp_content : "UNKNOWN",
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line_end);
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}
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/*
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* XXX - support multiple comments.
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*/
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if (wtap_block_get_nth_string_option_value(if_descr, OPT_COMMENT, 0, &tmp_content) == WTAP_OPTTYPE_SUCCESS) {
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g_string_append_printf(info,
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"%*cComment = %s%s", indent, ' ',
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tmp_content ? tmp_content : "NONE",
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line_end);
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}
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g_string_append_printf(info,
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"%*cNumber of stat entries = %u%s", indent, ' ',
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if_descr_mand->num_stat_entries,
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line_end);
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return g_string_free(info, FALSE);
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}
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wtap_block_t
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wtap_file_get_nrb(wtap *wth)
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{
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if ((wth == NULL) || (wth->nrb_hdrs == NULL) || (wth->nrb_hdrs->len == 0))
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return NULL;
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return g_array_index(wth->nrb_hdrs, wtap_block_t, 0);
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}
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GArray*
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wtap_file_get_nrb_for_new_file(wtap *wth)
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{
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guint nrb_count;
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wtap_block_t nrb_hdr_src, nrb_hdr_dest;
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GArray* nrb_hdrs;
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if ((wth == NULL || wth->nrb_hdrs == NULL) || (wth->nrb_hdrs->len == 0))
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return NULL;
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nrb_hdrs = g_array_new(FALSE, FALSE, sizeof(wtap_block_t));
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for (nrb_count = 0; nrb_count < wth->nrb_hdrs->len; nrb_count++) {
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nrb_hdr_src = g_array_index(wth->nrb_hdrs, wtap_block_t, nrb_count);
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nrb_hdr_dest = wtap_block_create(WTAP_BLOCK_NG_NRB);
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wtap_block_copy(nrb_hdr_dest, nrb_hdr_src);
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g_array_append_val(nrb_hdrs, nrb_hdr_dest);
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}
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return nrb_hdrs;
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}
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void
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wtap_dump_params_init(wtap_dump_params *params, wtap *wth)
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{
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memset(params, 0, sizeof(*params));
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if (wth == NULL)
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return;
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params->encap = wtap_file_encap(wth);
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params->snaplen = wtap_snapshot_length(wth);
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params->tsprec = wtap_file_tsprec(wth);
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params->shb_hdrs = wtap_file_get_shb_for_new_file(wth);
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params->idb_inf = wtap_file_get_idb_info(wth);
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params->nrb_hdrs = wtap_file_get_nrb_for_new_file(wth);
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/* Assume that the input handle remains open until the dumper is closed.
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* Refer to the DSBs from the input file, wtap_dump will then copy DSBs
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* as they become available. */
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params->dsbs_growing = wth->dsbs;
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}
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void
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wtap_dump_params_discard_decryption_secrets(wtap_dump_params *params)
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{
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params->dsbs_initial = NULL;
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params->dsbs_growing = NULL;
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}
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void
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wtap_dump_params_cleanup(wtap_dump_params *params)
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{
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wtap_block_array_free(params->shb_hdrs);
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/* params->idb_inf is currently expected to be freed by the caller. */
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wtap_block_array_free(params->nrb_hdrs);
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memset(params, 0, sizeof(*params));
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}
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/* Table of the encapsulation types we know about. */
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struct encap_type_info {
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const char *name;
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const char *description;
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};
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static struct encap_type_info encap_table_base[] = {
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/* WTAP_ENCAP_UNKNOWN */
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{ "unknown", "Unknown" },
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/* WTAP_ENCAP_ETHERNET */
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{ "ether", "Ethernet" },
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/* WTAP_ENCAP_TOKEN_RING */
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{ "tr", "Token Ring" },
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/* WTAP_ENCAP_SLIP */
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{ "slip", "SLIP" },
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/* WTAP_ENCAP_PPP */
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{ "ppp", "PPP" },
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/* WTAP_ENCAP_FDDI */
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{ "fddi", "FDDI" },
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/* WTAP_ENCAP_FDDI_BITSWAPPED */
|
|
{ "fddi-swapped", "FDDI with bit-swapped MAC addresses" },
|
|
|
|
/* WTAP_ENCAP_RAW_IP */
|
|
{ "rawip", "Raw IP" },
|
|
|
|
/* WTAP_ENCAP_ARCNET */
|
|
{ "arcnet", "ARCNET" },
|
|
|
|
/* WTAP_ENCAP_ARCNET_LINUX */
|
|
{ "arcnet_linux", "Linux ARCNET" },
|
|
|
|
/* WTAP_ENCAP_ATM_RFC1483 */
|
|
{ "atm-rfc1483", "RFC 1483 ATM" },
|
|
|
|
/* WTAP_ENCAP_LINUX_ATM_CLIP */
|
|
{ "linux-atm-clip", "Linux ATM CLIP" },
|
|
|
|
/* WTAP_ENCAP_LAPB */
|
|
{ "lapb", "LAPB" },
|
|
|
|
/* WTAP_ENCAP_ATM_PDUS */
|
|
{ "atm-pdus", "ATM PDUs" },
|
|
|
|
/* WTAP_ENCAP_ATM_PDUS_UNTRUNCATED */
|
|
{ "atm-pdus-untruncated", "ATM PDUs - untruncated" },
|
|
|
|
/* WTAP_ENCAP_NULL */
|
|
{ "null", "NULL/Loopback" },
|
|
|
|
/* WTAP_ENCAP_ASCEND */
|
|
{ "ascend", "Lucent/Ascend access equipment" },
|
|
|
|
/* WTAP_ENCAP_ISDN */
|
|
{ "isdn", "ISDN" },
|
|
|
|
/* WTAP_ENCAP_IP_OVER_FC */
|
|
{ "ip-over-fc", "RFC 2625 IP-over-Fibre Channel" },
|
|
|
|
/* WTAP_ENCAP_PPP_WITH_PHDR */
|
|
{ "ppp-with-direction", "PPP with Directional Info" },
|
|
|
|
/* WTAP_ENCAP_IEEE_802_11 */
|
|
{ "ieee-802-11", "IEEE 802.11 Wireless LAN" },
|
|
|
|
/* WTAP_ENCAP_IEEE_802_11_PRISM */
|
|
{ "ieee-802-11-prism", "IEEE 802.11 plus Prism II monitor mode radio header" },
|
|
|
|
/* WTAP_ENCAP_IEEE_802_11_WITH_RADIO */
|
|
{ "ieee-802-11-radio", "IEEE 802.11 Wireless LAN with radio information" },
|
|
|
|
/* WTAP_ENCAP_IEEE_802_11_RADIOTAP */
|
|
{ "ieee-802-11-radiotap", "IEEE 802.11 plus radiotap radio header" },
|
|
|
|
/* WTAP_ENCAP_IEEE_802_11_AVS */
|
|
{ "ieee-802-11-avs", "IEEE 802.11 plus AVS radio header" },
|
|
|
|
/* WTAP_ENCAP_SLL */
|
|
{ "linux-sll", "Linux cooked-mode capture v1" },
|
|
|
|
/* WTAP_ENCAP_FRELAY */
|
|
{ "frelay", "Frame Relay" },
|
|
|
|
/* WTAP_ENCAP_FRELAY_WITH_PHDR */
|
|
{ "frelay-with-direction", "Frame Relay with Directional Info" },
|
|
|
|
/* WTAP_ENCAP_CHDLC */
|
|
{ "chdlc", "Cisco HDLC" },
|
|
|
|
/* WTAP_ENCAP_CISCO_IOS */
|
|
{ "ios", "Cisco IOS internal" },
|
|
|
|
/* WTAP_ENCAP_LOCALTALK */
|
|
{ "ltalk", "Localtalk" },
|
|
|
|
/* WTAP_ENCAP_OLD_PFLOG */
|
|
{ "pflog-old", "OpenBSD PF Firewall logs, pre-3.4" },
|
|
|
|
/* WTAP_ENCAP_HHDLC */
|
|
{ "hhdlc", "HiPath HDLC" },
|
|
|
|
/* WTAP_ENCAP_DOCSIS */
|
|
{ "docsis", "Data Over Cable Service Interface Specification" },
|
|
|
|
/* WTAP_ENCAP_COSINE */
|
|
{ "cosine", "CoSine L2 debug log" },
|
|
|
|
/* WTAP_ENCAP_WFLEET_HDLC */
|
|
{ "whdlc", "Wellfleet HDLC" },
|
|
|
|
/* WTAP_ENCAP_SDLC */
|
|
{ "sdlc", "SDLC" },
|
|
|
|
/* WTAP_ENCAP_TZSP */
|
|
{ "tzsp", "Tazmen sniffer protocol" },
|
|
|
|
/* WTAP_ENCAP_ENC */
|
|
{ "enc", "OpenBSD enc(4) encapsulating interface" },
|
|
|
|
/* WTAP_ENCAP_PFLOG */
|
|
{ "pflog", "OpenBSD PF Firewall logs" },
|
|
|
|
/* WTAP_ENCAP_CHDLC_WITH_PHDR */
|
|
{ "chdlc-with-direction", "Cisco HDLC with Directional Info" },
|
|
|
|
/* WTAP_ENCAP_BLUETOOTH_H4 */
|
|
{ "bluetooth-h4", "Bluetooth H4" },
|
|
|
|
/* WTAP_ENCAP_MTP2 */
|
|
{ "mtp2", "SS7 MTP2" },
|
|
|
|
/* WTAP_ENCAP_MTP3 */
|
|
{ "mtp3", "SS7 MTP3" },
|
|
|
|
/* WTAP_ENCAP_IRDA */
|
|
{ "irda", "IrDA" },
|
|
|
|
/* WTAP_ENCAP_USER0 */
|
|
{ "user0", "USER 0" },
|
|
|
|
/* WTAP_ENCAP_USER1 */
|
|
{ "user1", "USER 1" },
|
|
|
|
/* WTAP_ENCAP_USER2 */
|
|
{ "user2", "USER 2" },
|
|
|
|
/* WTAP_ENCAP_USER3 */
|
|
{ "user3", "USER 3" },
|
|
|
|
/* WTAP_ENCAP_USER4 */
|
|
{ "user4", "USER 4" },
|
|
|
|
/* WTAP_ENCAP_USER5 */
|
|
{ "user5", "USER 5" },
|
|
|
|
/* WTAP_ENCAP_USER6 */
|
|
{ "user6", "USER 6" },
|
|
|
|
/* WTAP_ENCAP_USER7 */
|
|
{ "user7", "USER 7" },
|
|
|
|
/* WTAP_ENCAP_USER8 */
|
|
{ "user8", "USER 8" },
|
|
|
|
/* WTAP_ENCAP_USER9 */
|
|
{ "user9", "USER 9" },
|
|
|
|
/* WTAP_ENCAP_USER10 */
|
|
{ "user10", "USER 10" },
|
|
|
|
/* WTAP_ENCAP_USER11 */
|
|
{ "user11", "USER 11" },
|
|
|
|
/* WTAP_ENCAP_USER12 */
|
|
{ "user12", "USER 12" },
|
|
|
|
/* WTAP_ENCAP_USER13 */
|
|
{ "user13", "USER 13" },
|
|
|
|
/* WTAP_ENCAP_USER14 */
|
|
{ "user14", "USER 14" },
|
|
|
|
/* WTAP_ENCAP_USER15 */
|
|
{ "user15", "USER 15" },
|
|
|
|
/* WTAP_ENCAP_SYMANTEC */
|
|
{ "symantec", "Symantec Enterprise Firewall" },
|
|
|
|
/* WTAP_ENCAP_APPLE_IP_OVER_IEEE1394 */
|
|
{ "ap1394", "Apple IP-over-IEEE 1394" },
|
|
|
|
/* WTAP_ENCAP_BACNET_MS_TP */
|
|
{ "bacnet-ms-tp", "BACnet MS/TP" },
|
|
|
|
/* WTAP_ENCAP_NETTL_RAW_ICMP */
|
|
{ "raw-icmp-nettl", "Raw ICMP with nettl headers" },
|
|
|
|
/* WTAP_ENCAP_NETTL_RAW_ICMPV6 */
|
|
{ "raw-icmpv6-nettl", "Raw ICMPv6 with nettl headers" },
|
|
|
|
/* WTAP_ENCAP_GPRS_LLC */
|
|
{ "gprs-llc", "GPRS LLC" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_ATM1 */
|
|
{ "juniper-atm1", "Juniper ATM1" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_ATM2 */
|
|
{ "juniper-atm2", "Juniper ATM2" },
|
|
|
|
/* WTAP_ENCAP_REDBACK */
|
|
{ "redback", "Redback SmartEdge" },
|
|
|
|
/* WTAP_ENCAP_NETTL_RAW_IP */
|
|
{ "rawip-nettl", "Raw IP with nettl headers" },
|
|
|
|
/* WTAP_ENCAP_NETTL_ETHERNET */
|
|
{ "ether-nettl", "Ethernet with nettl headers" },
|
|
|
|
/* WTAP_ENCAP_NETTL_TOKEN_RING */
|
|
{ "tr-nettl", "Token Ring with nettl headers" },
|
|
|
|
/* WTAP_ENCAP_NETTL_FDDI */
|
|
{ "fddi-nettl", "FDDI with nettl headers" },
|
|
|
|
/* WTAP_ENCAP_NETTL_UNKNOWN */
|
|
{ "unknown-nettl", "Unknown link-layer type with nettl headers" },
|
|
|
|
/* WTAP_ENCAP_MTP2_WITH_PHDR */
|
|
{ "mtp2-with-phdr", "MTP2 with pseudoheader" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_PPPOE */
|
|
{ "juniper-pppoe", "Juniper PPPoE" },
|
|
|
|
/* WTAP_ENCAP_GCOM_TIE1 */
|
|
{ "gcom-tie1", "GCOM TIE1" },
|
|
|
|
/* WTAP_ENCAP_GCOM_SERIAL */
|
|
{ "gcom-serial", "GCOM Serial" },
|
|
|
|
/* WTAP_ENCAP_NETTL_X25 */
|
|
{ "x25-nettl", "X.25 with nettl headers" },
|
|
|
|
/* WTAP_ENCAP_K12 */
|
|
{ "k12", "K12 protocol analyzer" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_MLPPP */
|
|
{ "juniper-mlppp", "Juniper MLPPP" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_MLFR */
|
|
{ "juniper-mlfr", "Juniper MLFR" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_ETHER */
|
|
{ "juniper-ether", "Juniper Ethernet" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_PPP */
|
|
{ "juniper-ppp", "Juniper PPP" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_FRELAY */
|
|
{ "juniper-frelay", "Juniper Frame-Relay" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_CHDLC */
|
|
{ "juniper-chdlc", "Juniper C-HDLC" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_GGSN */
|
|
{ "juniper-ggsn", "Juniper GGSN" },
|
|
|
|
/* WTAP_ENCAP_LINUX_LAPD */
|
|
{ "linux-lapd", "LAPD with Linux pseudo-header" },
|
|
|
|
/* WTAP_ENCAP_CATAPULT_DCT2000 */
|
|
{ "dct2000", "Catapult DCT2000" },
|
|
|
|
/* WTAP_ENCAP_BER */
|
|
{ "ber", "ASN.1 Basic Encoding Rules" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_VP */
|
|
{ "juniper-vp", "Juniper Voice PIC" },
|
|
|
|
/* WTAP_ENCAP_USB_FREEBSD */
|
|
{ "usb-freebsd", "USB packets with FreeBSD header" },
|
|
|
|
/* WTAP_ENCAP_IEEE802_16_MAC_CPS */
|
|
{ "ieee-802-16-mac-cps", "IEEE 802.16 MAC Common Part Sublayer" },
|
|
|
|
/* WTAP_ENCAP_NETTL_RAW_TELNET */
|
|
{ "raw-telnet-nettl", "Raw telnet with nettl headers" },
|
|
|
|
/* WTAP_ENCAP_USB_LINUX */
|
|
{ "usb-linux", "USB packets with Linux header" },
|
|
|
|
/* WTAP_ENCAP_MPEG */
|
|
{ "mpeg", "MPEG" },
|
|
|
|
/* WTAP_ENCAP_PPI */
|
|
{ "ppi", "Per-Packet Information header" },
|
|
|
|
/* WTAP_ENCAP_ERF */
|
|
{ "erf", "Extensible Record Format" },
|
|
|
|
/* WTAP_ENCAP_BLUETOOTH_H4_WITH_PHDR */
|
|
{ "bluetooth-h4-linux", "Bluetooth H4 with linux header" },
|
|
|
|
/* WTAP_ENCAP_SITA */
|
|
{ "sita-wan", "SITA WAN packets" },
|
|
|
|
/* WTAP_ENCAP_SCCP */
|
|
{ "sccp", "SS7 SCCP" },
|
|
|
|
/* WTAP_ENCAP_BLUETOOTH_HCI */
|
|
{ "bluetooth-hci", "Bluetooth without transport layer" },
|
|
|
|
/* WTAP_ENCAP_IPMB_KONTRON */
|
|
{ "ipmb-kontron", "Intelligent Platform Management Bus with Kontron pseudo-header" },
|
|
|
|
/* WTAP_ENCAP_IEEE802_15_4 */
|
|
{ "wpan", "IEEE 802.15.4 Wireless PAN" },
|
|
|
|
/* WTAP_ENCAP_X2E_XORAYA */
|
|
{ "x2e-xoraya", "X2E Xoraya" },
|
|
|
|
/* WTAP_ENCAP_FLEXRAY */
|
|
{ "flexray", "FlexRay" },
|
|
|
|
/* WTAP_ENCAP_LIN */
|
|
{ "lin", "Local Interconnect Network" },
|
|
|
|
/* WTAP_ENCAP_MOST */
|
|
{ "most", "Media Oriented Systems Transport" },
|
|
|
|
/* WTAP_ENCAP_CAN20B */
|
|
{ "can20b", "Controller Area Network 2.0B" },
|
|
|
|
/* WTAP_ENCAP_LAYER1_EVENT */
|
|
{ "layer1-event", "EyeSDN Layer 1 event" },
|
|
|
|
/* WTAP_ENCAP_X2E_SERIAL */
|
|
{ "x2e-serial", "X2E serial line capture" },
|
|
|
|
/* WTAP_ENCAP_I2C_LINUX */
|
|
{ "i2c-linux", "I2C with Linux-specific pseudo-header" },
|
|
|
|
/* WTAP_ENCAP_IEEE802_15_4_NONASK_PHY */
|
|
{ "wpan-nonask-phy", "IEEE 802.15.4 Wireless PAN non-ASK PHY" },
|
|
|
|
/* WTAP_ENCAP_TNEF */
|
|
{ "tnef", "Transport-Neutral Encapsulation Format" },
|
|
|
|
/* WTAP_ENCAP_USB_LINUX_MMAPPED */
|
|
{ "usb-linux-mmap", "USB packets with Linux header and padding" },
|
|
|
|
/* WTAP_ENCAP_GSM_UM */
|
|
{ "gsm_um", "GSM Um Interface" },
|
|
|
|
/* WTAP_ENCAP_DPNSS */
|
|
{ "dpnss_link", "Digital Private Signalling System No 1 Link Layer" },
|
|
|
|
/* WTAP_ENCAP_PACKETLOGGER */
|
|
{ "packetlogger", "Apple Bluetooth PacketLogger" },
|
|
|
|
/* WTAP_ENCAP_NSTRACE_1_0 */
|
|
{ "nstrace10", "NetScaler Encapsulation 1.0 of Ethernet" },
|
|
|
|
/* WTAP_ENCAP_NSTRACE_2_0 */
|
|
{ "nstrace20", "NetScaler Encapsulation 2.0 of Ethernet" },
|
|
|
|
/* WTAP_ENCAP_FIBRE_CHANNEL_FC2 */
|
|
{ "fc2", "Fibre Channel FC-2" },
|
|
|
|
/* WTAP_ENCAP_FIBRE_CHANNEL_FC2_WITH_FRAME_DELIMS */
|
|
{ "fc2sof", "Fibre Channel FC-2 With Frame Delimiter" },
|
|
|
|
/* WTAP_ENCAP_JPEG_JFIF */
|
|
{ "jfif", "JPEG/JFIF" },
|
|
|
|
/* WTAP_ENCAP_IPNET */
|
|
{ "ipnet", "Solaris IPNET" },
|
|
|
|
/* WTAP_ENCAP_SOCKETCAN */
|
|
{ "socketcan", "SocketCAN" },
|
|
|
|
/* WTAP_ENCAP_IEEE_802_11_NETMON */
|
|
{ "ieee-802-11-netmon", "IEEE 802.11 plus Network Monitor radio header" },
|
|
|
|
/* WTAP_ENCAP_IEEE802_15_4_NOFCS */
|
|
{ "wpan-nofcs", "IEEE 802.15.4 Wireless PAN with FCS not present" },
|
|
|
|
/* WTAP_ENCAP_RAW_IPFIX */
|
|
{ "ipfix", "RFC 5655/RFC 5101 IPFIX" },
|
|
|
|
/* WTAP_ENCAP_RAW_IP4 */
|
|
{ "rawip4", "Raw IPv4" },
|
|
|
|
/* WTAP_ENCAP_RAW_IP6 */
|
|
{ "rawip6", "Raw IPv6" },
|
|
|
|
/* WTAP_ENCAP_LAPD */
|
|
{ "lapd", "LAPD" },
|
|
|
|
/* WTAP_ENCAP_DVBCI */
|
|
{ "dvbci", "DVB-CI (Common Interface)" },
|
|
|
|
/* WTAP_ENCAP_MUX27010 */
|
|
{ "mux27010", "MUX27010" },
|
|
|
|
/* WTAP_ENCAP_MIME */
|
|
{ "mime", "MIME" },
|
|
|
|
/* WTAP_ENCAP_NETANALYZER */
|
|
{ "netanalyzer", "Hilscher netANALYZER" },
|
|
|
|
/* WTAP_ENCAP_NETANALYZER_TRANSPARENT */
|
|
{ "netanalyzer-transparent", "Hilscher netANALYZER-Transparent" },
|
|
|
|
/* WTAP_ENCAP_IP_OVER_IB */
|
|
{ "ip-over-ib", "IP over InfiniBand" },
|
|
|
|
/* WTAP_ENCAP_MPEG_2_TS */
|
|
{ "mp2ts", "ISO/IEC 13818-1 MPEG2-TS" },
|
|
|
|
/* WTAP_ENCAP_PPP_ETHER */
|
|
{ "pppoes", "PPP-over-Ethernet session" },
|
|
|
|
/* WTAP_ENCAP_NFC_LLCP */
|
|
{ "nfc-llcp", "NFC LLCP" },
|
|
|
|
/* WTAP_ENCAP_NFLOG */
|
|
{ "nflog", "NFLOG" },
|
|
|
|
/* WTAP_ENCAP_V5_EF */
|
|
{ "v5-ef", "V5 Envelope Function" },
|
|
|
|
/* WTAP_ENCAP_BACNET_MS_TP_WITH_PHDR */
|
|
{ "bacnet-ms-tp-with-direction", "BACnet MS/TP with Directional Info" },
|
|
|
|
/* WTAP_ENCAP_IXVERIWAVE */
|
|
{ "ixveriwave", "IxVeriWave header and stats block" },
|
|
|
|
/* WTAP_ENCAP_SDH */
|
|
{ "sdh", "SDH" },
|
|
|
|
/* WTAP_ENCAP_DBUS */
|
|
{ "dbus", "D-Bus" },
|
|
|
|
/* WTAP_ENCAP_AX25_KISS */
|
|
{ "ax25-kiss", "AX.25 with KISS header" },
|
|
|
|
/* WTAP_ENCAP_AX25 */
|
|
{ "ax25", "Amateur Radio AX.25" },
|
|
|
|
/* WTAP_ENCAP_SCTP */
|
|
{ "sctp", "SCTP" },
|
|
|
|
/* WTAP_ENCAP_INFINIBAND */
|
|
{ "infiniband", "InfiniBand" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_SVCS */
|
|
{ "juniper-svcs", "Juniper Services" },
|
|
|
|
/* WTAP_ENCAP_USBPCAP */
|
|
{ "usb-usbpcap", "USB packets with USBPcap header" },
|
|
|
|
/* WTAP_ENCAP_RTAC_SERIAL */
|
|
{ "rtac-serial", "RTAC serial-line" },
|
|
|
|
/* WTAP_ENCAP_BLUETOOTH_LE_LL */
|
|
{ "bluetooth-le-ll", "Bluetooth Low Energy Link Layer" },
|
|
|
|
/* WTAP_ENCAP_WIRESHARK_UPPER_PDU */
|
|
{ "wireshark-upper-pdu", "Wireshark Upper PDU export" },
|
|
|
|
/* WTAP_ENCAP_STANAG_4607 */
|
|
{ "s4607", "STANAG 4607" },
|
|
|
|
/* WTAP_ENCAP_STANAG_5066_D_PDU */
|
|
{ "s5066-dpdu", "STANAG 5066 Data Transfer Sublayer PDUs(D_PDU)" },
|
|
|
|
/* WTAP_ENCAP_NETLINK */
|
|
{ "netlink", "Linux Netlink" },
|
|
|
|
/* WTAP_ENCAP_BLUETOOTH_LINUX_MONITOR */
|
|
{ "bluetooth-linux-monitor", "Bluetooth Linux Monitor" },
|
|
|
|
/* WTAP_ENCAP_BLUETOOTH_BREDR_BB */
|
|
{ "bluetooth-bredr-bb-rf", "Bluetooth BR/EDR Baseband RF" },
|
|
|
|
/* WTAP_ENCAP_BLUETOOTH_LE_LL_WITH_PHDR */
|
|
{ "bluetooth-le-ll-rf", "Bluetooth Low Energy Link Layer RF" },
|
|
|
|
/* WTAP_ENCAP_NSTRACE_3_0 */
|
|
{ "nstrace30", "NetScaler Encapsulation 3.0 of Ethernet" },
|
|
|
|
/* WTAP_ENCAP_LOGCAT */
|
|
{ "logcat", "Android Logcat Binary format" },
|
|
|
|
/* WTAP_ENCAP_LOGCAT_BRIEF */
|
|
{ "logcat_brief", "Android Logcat Brief text format" },
|
|
|
|
/* WTAP_ENCAP_LOGCAT_PROCESS */
|
|
{ "logcat_process", "Android Logcat Process text format" },
|
|
|
|
/* WTAP_ENCAP_LOGCAT_TAG */
|
|
{ "logcat_tag", "Android Logcat Tag text format" },
|
|
|
|
/* WTAP_ENCAP_LOGCAT_THREAD */
|
|
{ "logcat_thread", "Android Logcat Thread text format" },
|
|
|
|
/* WTAP_ENCAP_LOGCAT_TIME */
|
|
{ "logcat_time", "Android Logcat Time text format" },
|
|
|
|
/* WTAP_ENCAP_LOGCAT_THREADTIME */
|
|
{ "logcat_threadtime", "Android Logcat Threadtime text format" },
|
|
|
|
/* WTAP_ENCAP_LOGCAT_LONG */
|
|
{ "logcat_long", "Android Logcat Long text format" },
|
|
|
|
/* WTAP_ENCAP_PKTAP */
|
|
{ "pktap", "Apple PKTAP" },
|
|
|
|
/* WTAP_ENCAP_EPON */
|
|
{ "epon", "Ethernet Passive Optical Network" },
|
|
|
|
/* WTAP_ENCAP_IPMI_TRACE */
|
|
{ "ipmi-trace", "IPMI Trace Data Collection" },
|
|
|
|
/* WTAP_ENCAP_LOOP */
|
|
{ "loop", "OpenBSD loopback" },
|
|
|
|
/* WTAP_ENCAP_JSON */
|
|
{ "json", "JavaScript Object Notation" },
|
|
|
|
/* WTAP_ENCAP_NSTRACE_3_5 */
|
|
{ "nstrace35", "NetScaler Encapsulation 3.5 of Ethernet" },
|
|
|
|
/* WTAP_ENCAP_ISO14443 */
|
|
{ "iso14443", "ISO 14443 contactless smartcard standards" },
|
|
|
|
/* WTAP_ENCAP_GFP_T */
|
|
{ "gfp-t", "ITU-T G.7041/Y.1303 Generic Framing Procedure Transparent mode" },
|
|
|
|
/* WTAP_ENCAP_GFP_F */
|
|
{ "gfp-f", "ITU-T G.7041/Y.1303 Generic Framing Procedure Frame-mapped mode" },
|
|
|
|
/* WTAP_ENCAP_IP_OVER_IB_PCAP */
|
|
{ "ip-ib", "IP over IB" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_VN */
|
|
{ "juniper-vn", "Juniper VN" },
|
|
|
|
/* WTAP_ENCAP_USB_DARWIN */
|
|
{ "usb-darwin", "USB packets with Darwin (macOS, etc.) headers" },
|
|
|
|
/* WTAP_ENCAP_LORATAP */
|
|
{ "loratap", "LoRaTap" },
|
|
|
|
/* WTAP_ENCAP_3MB_ETHERNET */
|
|
{ "xeth", "Xerox 3MB Ethernet" },
|
|
|
|
/* WTAP_ENCAP_VSOCK */
|
|
{ "vsock", "Linux vsock" },
|
|
|
|
/* WTAP_ENCAP_NORDIC_BLE */
|
|
{ "nordic_ble", "Nordic BLE Sniffer" },
|
|
|
|
/* WTAP_ENCAP_NETMON_NET_NETEVENT */
|
|
{ "netmon_event", "Network Monitor Network Event" },
|
|
|
|
/* WTAP_ENCAP_NETMON_HEADER */
|
|
{ "netmon_header", "Network Monitor Header" },
|
|
|
|
/* WTAP_ENCAP_NETMON_NET_FILTER */
|
|
{ "netmon_filter", "Network Monitor Filter" },
|
|
|
|
/* WTAP_ENCAP_NETMON_NETWORK_INFO_EX */
|
|
{ "netmon_network_info", "Network Monitor Network Info" },
|
|
|
|
/* WTAP_ENCAP_MA_WFP_CAPTURE_V4 */
|
|
{ "message_analyzer_wfp_capture_v4", "Message Analyzer WFP Capture v4" },
|
|
|
|
/* WTAP_ENCAP_MA_WFP_CAPTURE_V6 */
|
|
{ "message_analyzer_wfp_capture_v6", "Message Analyzer WFP Capture v6" },
|
|
|
|
/* WTAP_ENCAP_MA_WFP_CAPTURE_2V4 */
|
|
{ "message_analyzer_wfp_capture2_v4", "Message Analyzer WFP Capture2 v4" },
|
|
|
|
/* WTAP_ENCAP_MA_WFP_CAPTURE_2V6 */
|
|
{ "message_analyzer_wfp_capture2_v6", "Message Analyzer WFP Capture2 v6" },
|
|
|
|
/* WTAP_ENCAP_MA_WFP_CAPTURE_AUTH_V4 */
|
|
{ "message_analyzer_wfp_capture_auth_v4", "Message Analyzer WFP Capture Auth v4" },
|
|
|
|
/* WTAP_ENCAP_MA_WFP_CAPTURE_AUTH_V6 */
|
|
{ "message_analyzer_wfp_capture_auth_v6", "Message Analyzer WFP Capture Auth v6" },
|
|
|
|
/* WTAP_ENCAP_JUNIPER_ST */
|
|
{ "juniper-st", "Juniper Secure Tunnel Information" },
|
|
|
|
/* WTAP_ENCAP_ETHERNET_MPACKET */
|
|
{ "ether-mpacket", "IEEE 802.3br mPackets" },
|
|
|
|
/* WTAP_ENCAP_DOCSIS31_XRA31 */
|
|
{ "docsis31_xra31", "DOCSIS with Excentis XRA pseudo-header" },
|
|
|
|
/* WTAP_ENCAP_DPAUXMON */
|
|
{ "dpauxmon", "DisplayPort AUX channel with Unigraf pseudo-header" },
|
|
|
|
/* WTAP_ENCAP_RUBY_MARSHAL */
|
|
{ "ruby_marshal", "Ruby marshal object" },
|
|
|
|
/* WTAP_ENCAP_RFC7468 */
|
|
{ "rfc7468", "RFC 7468 file" },
|
|
|
|
/* WTAP_ENCAP_SYSTEMD_JOURNAL */
|
|
{ "sdjournal", "systemd journal" },
|
|
|
|
/* WTAP_ENCAP_EBHSCR */
|
|
{ "ebhscr", "Elektrobit High Speed Capture and Replay" },
|
|
|
|
/* WTAP_ENCAP_VPP */
|
|
{ "vpp", "Vector Packet Processing graph dispatch trace" },
|
|
|
|
/* WTAP_ENCAP_IEEE802_15_4_TAP */
|
|
{ "wpan-tap", "IEEE 802.15.4 Wireless with TAP pseudo-header" },
|
|
|
|
/* WTAP_ENCAP_LOG_3GPP */
|
|
{ "log_3GPP", "3GPP Phone Log" },
|
|
|
|
/* WTAP_ENCAP_USB_2_0 */
|
|
{ "usb-20", "USB 2.0/1.1/1.0 packets" },
|
|
|
|
/* WTAP_ENCAP_MP4 */
|
|
{ "mp4", "MP4 files" },
|
|
|
|
/* WTAP_ENCAP_SLL2 */
|
|
{ "linux-sll2", "Linux cooked-mode capture v2" },
|
|
|
|
/* WTAP_ENCAP_ZWAVE_SERIAL */
|
|
{ "zwave-serial", "Z-Wave Serial API packets" },
|
|
};
|
|
|
|
WS_DLL_LOCAL
|
|
gint wtap_num_encap_types = sizeof(encap_table_base) / sizeof(struct encap_type_info);
|
|
static GArray* encap_table_arr = NULL;
|
|
|
|
#define encap_table_entry(encap) \
|
|
g_array_index(encap_table_arr, struct encap_type_info, encap)
|
|
|
|
static void wtap_init_encap_types(void) {
|
|
|
|
if (encap_table_arr) return;
|
|
|
|
encap_table_arr = g_array_new(FALSE,TRUE,sizeof(struct encap_type_info));
|
|
|
|
g_array_append_vals(encap_table_arr,encap_table_base,wtap_num_encap_types);
|
|
}
|
|
|
|
static void wtap_cleanup_encap_types(void) {
|
|
if (encap_table_arr) {
|
|
g_array_free(encap_table_arr, TRUE);
|
|
encap_table_arr = NULL;
|
|
}
|
|
}
|
|
|
|
int wtap_get_num_encap_types(void) {
|
|
return wtap_num_encap_types;
|
|
}
|
|
|
|
|
|
int
|
|
wtap_register_encap_type(const char *description, const char *name)
|
|
{
|
|
struct encap_type_info e;
|
|
|
|
e.name = g_strdup(name);
|
|
e.description = g_strdup(description);
|
|
|
|
g_array_append_val(encap_table_arr,e);
|
|
|
|
return wtap_num_encap_types++;
|
|
}
|
|
|
|
/* Name to use in, say, a command-line flag specifying the type. */
|
|
const char *
|
|
wtap_encap_name(int encap)
|
|
{
|
|
if (encap < WTAP_ENCAP_PER_PACKET || encap >= WTAP_NUM_ENCAP_TYPES)
|
|
return "illegal";
|
|
else if (encap == WTAP_ENCAP_PER_PACKET)
|
|
return "per-packet";
|
|
else
|
|
return encap_table_entry(encap).name;
|
|
}
|
|
|
|
/* Description to show to users. */
|
|
const char *
|
|
wtap_encap_description(int encap)
|
|
{
|
|
if (encap < WTAP_ENCAP_PER_PACKET || encap >= WTAP_NUM_ENCAP_TYPES)
|
|
return "Illegal";
|
|
else if (encap == WTAP_ENCAP_PER_PACKET)
|
|
return "Per packet";
|
|
else
|
|
return encap_table_entry(encap).description;
|
|
}
|
|
|
|
/* Translate a name to a capture file type. */
|
|
int
|
|
wtap_name_to_encap(const char *name)
|
|
{
|
|
int encap;
|
|
|
|
for (encap = 0; encap < WTAP_NUM_ENCAP_TYPES; encap++) {
|
|
if (encap_table_entry(encap).name != NULL &&
|
|
strcmp(name, encap_table_entry(encap).name) == 0)
|
|
return encap;
|
|
}
|
|
return -1; /* no such encapsulation type */
|
|
}
|
|
|
|
const char*
|
|
wtap_tsprec_string(int tsprec)
|
|
{
|
|
const char* s;
|
|
switch (tsprec) {
|
|
case WTAP_TSPREC_PER_PACKET:
|
|
s = "per-packet";
|
|
break;
|
|
case WTAP_TSPREC_SEC:
|
|
s = "seconds";
|
|
break;
|
|
case WTAP_TSPREC_DSEC:
|
|
s = "deciseconds";
|
|
break;
|
|
case WTAP_TSPREC_CSEC:
|
|
s = "centiseconds";
|
|
break;
|
|
case WTAP_TSPREC_MSEC:
|
|
s = "milliseconds";
|
|
break;
|
|
case WTAP_TSPREC_USEC:
|
|
s = "microseconds";
|
|
break;
|
|
case WTAP_TSPREC_NSEC:
|
|
s = "nanoseconds";
|
|
break;
|
|
case WTAP_TSPREC_UNKNOWN:
|
|
default:
|
|
s = "UNKNOWN";
|
|
break;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
static const char *wtap_errlist[] = {
|
|
/* WTAP_ERR_NOT_REGULAR_FILE */
|
|
"The file isn't a plain file or pipe",
|
|
|
|
/* WTAP_ERR_RANDOM_OPEN_PIPE */
|
|
"The file is being opened for random access but is a pipe",
|
|
|
|
/* WTAP_ERR_FILE_UNKNOWN_FORMAT */
|
|
"The file isn't a capture file in a known format",
|
|
|
|
/* WTAP_ERR_UNSUPPORTED */
|
|
"File contains record data we don't support",
|
|
|
|
/* WTAP_ERR_CANT_WRITE_TO_PIPE */
|
|
"That file format cannot be written to a pipe",
|
|
|
|
/* WTAP_ERR_CANT_OPEN */
|
|
NULL,
|
|
|
|
/* WTAP_ERR_UNWRITABLE_FILE_TYPE */
|
|
"Files can't be saved in that format",
|
|
|
|
/* WTAP_ERR_UNWRITABLE_ENCAP */
|
|
"Packets with that network type can't be saved in that format",
|
|
|
|
/* WTAP_ERR_ENCAP_PER_PACKET_UNSUPPORTED */
|
|
"That file format doesn't support per-packet encapsulations",
|
|
|
|
/* WTAP_ERR_CANT_WRITE */
|
|
"A write failed for some unknown reason",
|
|
|
|
/* WTAP_ERR_CANT_CLOSE */
|
|
NULL,
|
|
|
|
/* WTAP_ERR_SHORT_READ */
|
|
"Less data was read than was expected",
|
|
|
|
/* WTAP_ERR_BAD_FILE */
|
|
"The file appears to be damaged or corrupt",
|
|
|
|
/* WTAP_ERR_SHORT_WRITE */
|
|
"Less data was written than was requested",
|
|
|
|
/* WTAP_ERR_UNC_OVERFLOW */
|
|
"Uncompression error: data would overflow buffer",
|
|
|
|
/* WTAP_ERR_RANDOM_OPEN_STDIN */
|
|
"The standard input cannot be opened for random access",
|
|
|
|
/* WTAP_ERR_COMPRESSION_NOT_SUPPORTED */
|
|
"That file format doesn't support compression",
|
|
|
|
/* WTAP_ERR_CANT_SEEK */
|
|
NULL,
|
|
|
|
/* WTAP_ERR_CANT_SEEK_COMPRESSED */
|
|
NULL,
|
|
|
|
/* WTAP_ERR_DECOMPRESS */
|
|
"Uncompression error",
|
|
|
|
/* WTAP_ERR_INTERNAL */
|
|
"Internal error",
|
|
|
|
/* WTAP_ERR_PACKET_TOO_LARGE */
|
|
"The packet being written is too large for that format",
|
|
|
|
/* WTAP_ERR_CHECK_WSLUA */
|
|
NULL,
|
|
|
|
/* WTAP_ERR_UNWRITABLE_REC_TYPE */
|
|
"That record type cannot be written in that format",
|
|
|
|
/* WTAP_ERR_UNWRITABLE_REC_DATA */
|
|
"That record can't be written in that format",
|
|
|
|
/* WTAP_ERR_DECOMPRESSION_NOT_SUPPORTED */
|
|
"We don't support decompressing that type of compressed file",
|
|
};
|
|
#define WTAP_ERRLIST_SIZE (sizeof wtap_errlist / sizeof wtap_errlist[0])
|
|
|
|
const char *
|
|
wtap_strerror(int err)
|
|
{
|
|
static char errbuf[128];
|
|
unsigned int wtap_errlist_index;
|
|
|
|
if (err < 0) {
|
|
wtap_errlist_index = -1 - err;
|
|
if (wtap_errlist_index >= WTAP_ERRLIST_SIZE) {
|
|
g_snprintf(errbuf, 128, "Error %d", err);
|
|
return errbuf;
|
|
}
|
|
if (wtap_errlist[wtap_errlist_index] == NULL)
|
|
return "Unknown reason";
|
|
return wtap_errlist[wtap_errlist_index];
|
|
} else
|
|
return g_strerror(err);
|
|
}
|
|
|
|
/* Close only the sequential side, freeing up memory it uses.
|
|
|
|
Note that we do *not* want to call the subtype's close function,
|
|
as it would free any per-subtype data, and that data may be
|
|
needed by the random-access side.
|
|
|
|
Instead, if the subtype has a "sequential close" function, we call it,
|
|
to free up stuff used only by the sequential side. */
|
|
void
|
|
wtap_sequential_close(wtap *wth)
|
|
{
|
|
if (wth->subtype_sequential_close != NULL)
|
|
(*wth->subtype_sequential_close)(wth);
|
|
|
|
if (wth->fh != NULL) {
|
|
file_close(wth->fh);
|
|
wth->fh = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
g_fast_seek_item_free(gpointer data, gpointer user_data _U_)
|
|
{
|
|
g_free(data);
|
|
}
|
|
|
|
/*
|
|
* Close the file descriptors for the sequential and random streams, but
|
|
* don't discard any information about those streams. Used on Windows if
|
|
* we need to rename a file that we have open or if we need to rename on
|
|
* top of a file we have open.
|
|
*/
|
|
void
|
|
wtap_fdclose(wtap *wth)
|
|
{
|
|
if (wth->fh != NULL)
|
|
file_fdclose(wth->fh);
|
|
if (wth->random_fh != NULL)
|
|
file_fdclose(wth->random_fh);
|
|
}
|
|
|
|
void
|
|
wtap_close(wtap *wth)
|
|
{
|
|
wtap_sequential_close(wth);
|
|
|
|
if (wth->subtype_close != NULL)
|
|
(*wth->subtype_close)(wth);
|
|
|
|
if (wth->random_fh != NULL)
|
|
file_close(wth->random_fh);
|
|
|
|
g_free(wth->priv);
|
|
|
|
if (wth->fast_seek != NULL) {
|
|
g_ptr_array_foreach(wth->fast_seek, g_fast_seek_item_free, NULL);
|
|
g_ptr_array_free(wth->fast_seek, TRUE);
|
|
}
|
|
|
|
wtap_block_array_free(wth->shb_hdrs);
|
|
wtap_block_array_free(wth->nrb_hdrs);
|
|
wtap_block_array_free(wth->interface_data);
|
|
wtap_block_array_free(wth->dsbs);
|
|
|
|
g_free(wth);
|
|
}
|
|
|
|
void
|
|
wtap_cleareof(wtap *wth) {
|
|
/* Reset EOF */
|
|
file_clearerr(wth->fh);
|
|
}
|
|
|
|
void wtap_set_cb_new_ipv4(wtap *wth, wtap_new_ipv4_callback_t add_new_ipv4) {
|
|
if (wth)
|
|
wth->add_new_ipv4 = add_new_ipv4;
|
|
}
|
|
|
|
void wtap_set_cb_new_ipv6(wtap *wth, wtap_new_ipv6_callback_t add_new_ipv6) {
|
|
if (wth)
|
|
wth->add_new_ipv6 = add_new_ipv6;
|
|
}
|
|
|
|
void wtap_set_cb_new_secrets(wtap *wth, wtap_new_secrets_callback_t add_new_secrets) {
|
|
/* Is a valid wth given that supports DSBs? */
|
|
if (!wth || !wth->dsbs)
|
|
return;
|
|
|
|
wth->add_new_secrets = add_new_secrets;
|
|
/*
|
|
* Send all DSBs that were read so far to the new callback. file.c
|
|
* relies on this to support redissection (during redissection, the
|
|
* previous secrets are lost and has to be resupplied).
|
|
*/
|
|
for (guint i = 0; i < wth->dsbs->len; i++) {
|
|
wtap_block_t dsb = g_array_index(wth->dsbs, wtap_block_t, i);
|
|
wtapng_process_dsb(wth, dsb);
|
|
}
|
|
}
|
|
|
|
void
|
|
wtapng_process_dsb(wtap *wth, wtap_block_t dsb)
|
|
{
|
|
const wtapng_dsb_mandatory_t *dsb_mand = (wtapng_dsb_mandatory_t*)wtap_block_get_mandatory_data(dsb);
|
|
|
|
if (wth->add_new_secrets)
|
|
wth->add_new_secrets(dsb_mand->secrets_type, dsb_mand->secrets_data, dsb_mand->secrets_len);
|
|
}
|
|
|
|
static void
|
|
wtap_init_rec(wtap *wth, wtap_rec *rec)
|
|
{
|
|
/*
|
|
* Set the packet encapsulation to the file's encapsulation
|
|
* value; if that's not WTAP_ENCAP_PER_PACKET, it's the
|
|
* right answer (and means that the read routine for this
|
|
* capture file type doesn't have to set it), and if it
|
|
* *is* WTAP_ENCAP_PER_PACKET, the caller needs to set it
|
|
* anyway.
|
|
*
|
|
* Do the same for the packet time stamp resolution.
|
|
*/
|
|
rec->rec_header.packet_header.pkt_encap = wth->file_encap;
|
|
rec->tsprec = wth->file_tsprec;
|
|
}
|
|
|
|
gboolean
|
|
wtap_read(wtap *wth, wtap_rec *rec, Buffer *buf, int *err,
|
|
gchar **err_info, gint64 *offset)
|
|
{
|
|
/*
|
|
* Initialize the record to default values.
|
|
*/
|
|
wtap_init_rec(wth, rec);
|
|
|
|
*err = 0;
|
|
*err_info = NULL;
|
|
if (!wth->subtype_read(wth, rec, buf, err, err_info, offset)) {
|
|
/*
|
|
* If we didn't get an error indication, we read
|
|
* the last packet. See if there's any deferred
|
|
* error, as might, for example, occur if we're
|
|
* reading a compressed file, and we got an error
|
|
* reading compressed data from the file, but
|
|
* got enough compressed data to decompress the
|
|
* last packet of the file.
|
|
*/
|
|
if (*err == 0)
|
|
*err = file_error(wth->fh, err_info);
|
|
return FALSE; /* failure */
|
|
}
|
|
|
|
/*
|
|
* Is this a packet record?
|
|
*/
|
|
if (rec->rec_type == REC_TYPE_PACKET) {
|
|
/*
|
|
* It makes no sense for the captured data length
|
|
* to be bigger than the actual data length.
|
|
*/
|
|
if (rec->rec_header.packet_header.caplen > rec->rec_header.packet_header.len)
|
|
rec->rec_header.packet_header.caplen = rec->rec_header.packet_header.len;
|
|
|
|
/*
|
|
* Make sure that it's not WTAP_ENCAP_PER_PACKET, as that
|
|
* probably means the file has that encapsulation type
|
|
* but the read routine didn't set this packet's
|
|
* encapsulation type.
|
|
*/
|
|
g_assert(rec->rec_header.packet_header.pkt_encap != WTAP_ENCAP_PER_PACKET);
|
|
}
|
|
|
|
return TRUE; /* success */
|
|
}
|
|
|
|
/*
|
|
* Read a given number of bytes from a file into a buffer or, if
|
|
* buf is NULL, just discard them.
|
|
*
|
|
* If we succeed, return TRUE.
|
|
*
|
|
* If we get an EOF, return FALSE with *err set to 0, reporting this
|
|
* as an EOF.
|
|
*
|
|
* If we get fewer bytes than the specified number, return FALSE with
|
|
* *err set to WTAP_ERR_SHORT_READ, reporting this as a short read
|
|
* error.
|
|
*
|
|
* If we get a read error, return FALSE with *err and *err_info set
|
|
* appropriately.
|
|
*/
|
|
gboolean
|
|
wtap_read_bytes_or_eof(FILE_T fh, void *buf, unsigned int count, int *err,
|
|
gchar **err_info)
|
|
{
|
|
int bytes_read;
|
|
|
|
bytes_read = file_read(buf, count, fh);
|
|
if (bytes_read < 0 || (guint)bytes_read != count) {
|
|
*err = file_error(fh, err_info);
|
|
if (*err == 0 && bytes_read > 0)
|
|
*err = WTAP_ERR_SHORT_READ;
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Read a given number of bytes from a file into a buffer or, if
|
|
* buf is NULL, just discard them.
|
|
*
|
|
* If we succeed, return TRUE.
|
|
*
|
|
* If we get fewer bytes than the specified number, including getting
|
|
* an EOF, return FALSE with *err set to WTAP_ERR_SHORT_READ, reporting
|
|
* this as a short read error.
|
|
*
|
|
* If we get a read error, return FALSE with *err and *err_info set
|
|
* appropriately.
|
|
*/
|
|
gboolean
|
|
wtap_read_bytes(FILE_T fh, void *buf, unsigned int count, int *err,
|
|
gchar **err_info)
|
|
{
|
|
int bytes_read;
|
|
|
|
bytes_read = file_read(buf, count, fh);
|
|
if (bytes_read < 0 || (guint)bytes_read != count) {
|
|
*err = file_error(fh, err_info);
|
|
if (*err == 0)
|
|
*err = WTAP_ERR_SHORT_READ;
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Read packet data into a Buffer, growing the buffer as necessary.
|
|
*
|
|
* This returns an error on a short read, even if the short read hit
|
|
* the EOF immediately. (The assumption is that each packet has a
|
|
* header followed by raw packet data, and that we've already read the
|
|
* header, so if we get an EOF trying to read the packet data, the file
|
|
* has been cut short, even if the read didn't read any data at all.)
|
|
*/
|
|
gboolean
|
|
wtap_read_packet_bytes(FILE_T fh, Buffer *buf, guint length, int *err,
|
|
gchar **err_info)
|
|
{
|
|
ws_buffer_assure_space(buf, length);
|
|
return wtap_read_bytes(fh, ws_buffer_start_ptr(buf), length, err,
|
|
err_info);
|
|
}
|
|
|
|
/*
|
|
* Return an approximation of the amount of data we've read sequentially
|
|
* from the file so far. (gint64, in case that's 64 bits.)
|
|
*/
|
|
gint64
|
|
wtap_read_so_far(wtap *wth)
|
|
{
|
|
return file_tell_raw(wth->fh);
|
|
}
|
|
|
|
void
|
|
wtap_rec_init(wtap_rec *rec)
|
|
{
|
|
memset(rec, 0, sizeof *rec);
|
|
ws_buffer_init(&rec->options_buf, 0);
|
|
}
|
|
|
|
void
|
|
wtap_rec_cleanup(wtap_rec *rec)
|
|
{
|
|
g_free(rec->opt_comment);
|
|
rec->opt_comment = NULL;
|
|
ws_buffer_free(&rec->options_buf);
|
|
if (rec->packet_verdict != NULL) {
|
|
g_ptr_array_free(rec->packet_verdict, TRUE);
|
|
rec->packet_verdict = NULL;
|
|
}
|
|
}
|
|
|
|
gboolean
|
|
wtap_seek_read(wtap *wth, gint64 seek_off, wtap_rec *rec, Buffer *buf,
|
|
int *err, gchar **err_info)
|
|
{
|
|
/*
|
|
* Initialize the record to default values.
|
|
*/
|
|
wtap_init_rec(wth, rec);
|
|
|
|
*err = 0;
|
|
*err_info = NULL;
|
|
if (!wth->subtype_seek_read(wth, seek_off, rec, buf, err, err_info))
|
|
return FALSE;
|
|
|
|
/*
|
|
* Is this a packet record?
|
|
*/
|
|
if (rec->rec_type == REC_TYPE_PACKET) {
|
|
/*
|
|
* It makes no sense for the captured data length
|
|
* to be bigger than the actual data length.
|
|
*/
|
|
if (rec->rec_header.packet_header.caplen > rec->rec_header.packet_header.len)
|
|
rec->rec_header.packet_header.caplen = rec->rec_header.packet_header.len;
|
|
|
|
/*
|
|
* Make sure that it's not WTAP_ENCAP_PER_PACKET, as that
|
|
* probably means the file has that encapsulation type
|
|
* but the read routine didn't set this packet's
|
|
* encapsulation type.
|
|
*/
|
|
g_assert(rec->rec_header.packet_header.pkt_encap != WTAP_ENCAP_PER_PACKET);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
wtap_full_file_read_file(wtap *wth, FILE_T fh, wtap_rec *rec, Buffer *buf, int *err, gchar **err_info)
|
|
{
|
|
gint64 file_size;
|
|
int packet_size = 0;
|
|
const int block_size = 1024 * 1024;
|
|
|
|
if ((file_size = wtap_file_size(wth, err)) == -1)
|
|
return FALSE;
|
|
|
|
if (file_size > G_MAXINT) {
|
|
/*
|
|
* Avoid allocating space for an immensely-large file.
|
|
*/
|
|
*err = WTAP_ERR_BAD_FILE;
|
|
*err_info = g_strdup_printf("%s: File has %" G_GINT64_MODIFIER "d-byte packet, bigger than maximum of %u",
|
|
wtap_encap_name(wth->file_encap), file_size, G_MAXINT);
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* Compressed files might expand to a larger size than the actual file
|
|
* size. Try to read the full size and then read in smaller increments
|
|
* to avoid frequent memory reallocations.
|
|
*/
|
|
int buffer_size = block_size * (1 + (int)file_size / block_size);
|
|
for (;;) {
|
|
if (buffer_size <= 0) {
|
|
*err = WTAP_ERR_BAD_FILE;
|
|
*err_info = g_strdup_printf("%s: Uncompressed file is bigger than maximum of %u",
|
|
wtap_encap_name(wth->file_encap), G_MAXINT);
|
|
return FALSE;
|
|
}
|
|
ws_buffer_assure_space(buf, buffer_size);
|
|
int nread = file_read(ws_buffer_start_ptr(buf) + packet_size, buffer_size - packet_size, fh);
|
|
if (nread < 0) {
|
|
*err = file_error(fh, err_info);
|
|
if (*err == 0)
|
|
*err = WTAP_ERR_BAD_FILE;
|
|
return FALSE;
|
|
}
|
|
packet_size += nread;
|
|
if (packet_size != buffer_size) {
|
|
/* EOF */
|
|
break;
|
|
}
|
|
buffer_size += block_size;
|
|
}
|
|
|
|
rec->rec_type = REC_TYPE_PACKET;
|
|
rec->presence_flags = 0; /* yes, we have no bananas^Wtime stamp */
|
|
rec->ts.secs = 0;
|
|
rec->ts.nsecs = 0;
|
|
rec->rec_header.packet_header.caplen = packet_size;
|
|
rec->rec_header.packet_header.len = packet_size;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
wtap_full_file_read(wtap *wth, wtap_rec *rec, Buffer *buf,
|
|
int *err, gchar **err_info, gint64 *data_offset)
|
|
{
|
|
gint64 offset = file_tell(wth->fh);
|
|
|
|
/* There is only one packet with the full file contents. */
|
|
if (offset != 0) {
|
|
*err = 0;
|
|
return FALSE;
|
|
}
|
|
|
|
*data_offset = offset;
|
|
return wtap_full_file_read_file(wth, wth->fh, rec, buf, err, err_info);
|
|
}
|
|
|
|
gboolean
|
|
wtap_full_file_seek_read(wtap *wth, gint64 seek_off, wtap_rec *rec, Buffer *buf, int *err, gchar **err_info)
|
|
{
|
|
/* There is only one packet with the full file contents. */
|
|
if (seek_off > 0) {
|
|
*err = 0;
|
|
return FALSE;
|
|
}
|
|
|
|
if (file_seek(wth->random_fh, seek_off, SEEK_SET, err) == -1)
|
|
return FALSE;
|
|
|
|
return wtap_full_file_read_file(wth, wth->random_fh, rec, buf, err, err_info);
|
|
}
|
|
|
|
/*
|
|
* Initialize the library.
|
|
*/
|
|
void
|
|
wtap_init(gboolean load_wiretap_plugins)
|
|
{
|
|
init_open_routines();
|
|
wtap_opttypes_initialize();
|
|
wtap_init_encap_types();
|
|
if (load_wiretap_plugins) {
|
|
#ifdef HAVE_PLUGINS
|
|
libwiretap_plugins = plugins_init(WS_PLUGIN_WIRETAP);
|
|
g_slist_foreach(wtap_plugins, call_plugin_register_wtap_module, NULL);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Cleanup the library
|
|
*/
|
|
void
|
|
wtap_cleanup(void)
|
|
{
|
|
wtap_cleanup_encap_types();
|
|
wtap_opttypes_cleanup();
|
|
ws_buffer_cleanup();
|
|
cleanup_open_routines();
|
|
#ifdef HAVE_PLUGINS
|
|
g_slist_free(wtap_plugins);
|
|
wtap_plugins = NULL;
|
|
plugins_cleanup(libwiretap_plugins);
|
|
libwiretap_plugins = NULL;
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
*/
|