forked from osmocom/wireshark
361 lines
13 KiB
C
361 lines
13 KiB
C
/* export_pdu_dlg.c
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* Routines for exporting PDU:s to file
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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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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#include <gtk/gtk.h>
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#include "globals.h"
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#include "wtap.h"
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#include "pcap-encap.h"
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#include "version_info.h"
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#include "wsutil/tempfile.h"
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#include <epan/tap.h>
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#include <epan/exported_pdu.h>
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#include "ui/alert_box.h"
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#include "ui/simple_dialog.h"
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#include "ui/gtk/capture_file_dlg.h"
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#include "ui/gtk/dlg_utils.h"
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#include "ui/gtk/gui_utils.h"
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#include "ui/gtk/filter_dlg.h"
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#include "ui/gtk/gtkglobals.h"
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#include "ui/gtk/filter_autocomplete.h"
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#include "ui/gtk/stock_icons.h"
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#include "ui/gtk/old-gtk-compat.h"
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#include "ui/gtk/export_pdu_dlg.h"
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static GtkWidget *export_pdu_dlg = NULL;
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typedef struct _exp_pdu_t {
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GtkWidget *filter_widget;
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GtkWidget *tap_name_widget;
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int pkt_encap;
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wtap_dumper* wdh;
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} exp_pdu_t;
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/* Main entry point to the tap */
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static int
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export_pdu_packet(void *tapdata, packet_info *pinfo, epan_dissect_t *edt _U_, const void *data)
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{
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const exp_pdu_data_t *exp_pdu_data = (const exp_pdu_data_t *)data;
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exp_pdu_t *exp_pdu_tap_data = (exp_pdu_t *)tapdata;
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struct wtap_pkthdr pkthdr;
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int err;
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int buffer_len;
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guint8 *packet_buf;
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buffer_len = exp_pdu_data->tvb_length + exp_pdu_data->tlv_buffer_len;
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packet_buf = (guint8 *)g_malloc(buffer_len);
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if(exp_pdu_data->tlv_buffer_len > 0){
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memcpy(packet_buf, exp_pdu_data->tlv_buffer, exp_pdu_data->tlv_buffer_len);
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g_free(exp_pdu_data->tlv_buffer);
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}
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if(exp_pdu_data->tvb_length > 0){
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tvb_memcpy(exp_pdu_data->pdu_tvb, packet_buf+exp_pdu_data->tlv_buffer_len, 0, exp_pdu_data->tvb_length);
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}
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pkthdr.ts.secs = pinfo->fd->abs_ts.secs;
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pkthdr.ts.nsecs = pinfo->fd->abs_ts.nsecs;
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pkthdr.caplen = pkthdr.len = buffer_len;
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pkthdr.pkt_encap = exp_pdu_tap_data->pkt_encap;
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pkthdr.interface_id = 0;
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pkthdr.presence_flags = 0;
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pkthdr.opt_comment = g_strdup(pinfo->pkt_comment);
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pkthdr.drop_count = 0;
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pkthdr.pack_flags = 0;
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pkthdr.presence_flags = WTAP_HAS_CAP_LEN|WTAP_HAS_INTERFACE_ID|WTAP_HAS_TS|WTAP_HAS_PACK_FLAGS;
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wtap_dump(exp_pdu_tap_data->wdh, &pkthdr, packet_buf, &err);
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g_free(packet_buf);
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g_free(pkthdr.opt_comment);
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return FALSE; /* Do not redraw */
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}
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static void
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export_pdu_reset(void *data _U_)
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{
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}
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/* Redraw the whole stats window */
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static void
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export_pdu_draw(void *data _U_)
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{
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}
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static void
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exp_pdu_file_open(exp_pdu_t *exp_pdu_tap_data)
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{
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int import_file_fd;
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char *tmpname, *capfile_name;
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int err;
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/* pcapng defs */
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wtapng_section_t *shb_hdr;
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wtapng_iface_descriptions_t *idb_inf;
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wtapng_if_descr_t int_data;
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GString *os_info_str;
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char appname[100];
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/* Choose a random name for the temporary import buffer */
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import_file_fd = create_tempfile(&tmpname, "Wireshark_PDU_");
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capfile_name = g_strdup(tmpname);
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/* Create data for SHB */
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os_info_str = g_string_new("");
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get_os_version_info(os_info_str);
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g_snprintf(appname, sizeof(appname), "Wireshark " VERSION "%s", wireshark_svnversion);
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shb_hdr = g_new(wtapng_section_t,1);
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shb_hdr->section_length = -1;
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/* options */
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shb_hdr->opt_comment = g_strdup_printf("Dump of PDU:s from %s", cfile.filename);
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shb_hdr->shb_hardware = NULL; /* UTF-8 string containing the
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* description of the hardware used to create this section.
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*/
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shb_hdr->shb_os = os_info_str->str; /* UTF-8 string containing the name
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* of the operating system used to create this section.
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*/
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g_string_free(os_info_str, FALSE); /* The actual string is not freed */
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shb_hdr->shb_user_appl = appname; /* UTF-8 string containing the name
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* of the application used to create this section.
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*/
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/* Create fake IDB info */
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idb_inf = g_new(wtapng_iface_descriptions_t,1);
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idb_inf->number_of_interfaces = 1;
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idb_inf->interface_data = g_array_new(FALSE, FALSE, sizeof(wtapng_if_descr_t));
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/* create the fake interface data */
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int_data.wtap_encap = WTAP_ENCAP_WIRESHARK_UPPER_PDU;
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int_data.time_units_per_second = 1000000; /* default microsecond resolution */
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int_data.link_type = wtap_wtap_encap_to_pcap_encap(WTAP_ENCAP_WIRESHARK_UPPER_PDU);
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int_data.snap_len = WTAP_MAX_PACKET_SIZE;
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int_data.if_name = g_strdup("Fake IF, PDU->Export");
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int_data.opt_comment = NULL;
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int_data.if_description = NULL;
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int_data.if_speed = 0;
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int_data.if_tsresol = 6;
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int_data.if_filter_str = NULL;
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int_data.bpf_filter_len = 0;
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int_data.if_filter_bpf_bytes = NULL;
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int_data.if_os = NULL;
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int_data.if_fcslen = -1;
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int_data.num_stat_entries = 0; /* Number of ISB:s */
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int_data.interface_statistics = NULL;
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g_array_append_val(idb_inf->interface_data, int_data);
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exp_pdu_tap_data->wdh = wtap_dump_fdopen_ng(import_file_fd, WTAP_FILE_TYPE_SUBTYPE_PCAPNG, WTAP_ENCAP_WIRESHARK_UPPER_PDU, WTAP_MAX_PACKET_SIZE, FALSE, shb_hdr, idb_inf, &err);
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if (exp_pdu_tap_data->wdh == NULL) {
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open_failure_alert_box(capfile_name, err, TRUE);
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goto end;
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}
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/* Run the tap */
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cf_retap_packets(&cfile);
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if (!wtap_dump_close(exp_pdu_tap_data->wdh, &err)) {
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write_failure_alert_box(capfile_name, err);
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}
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remove_tap_listener(exp_pdu_tap_data);
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if (cf_open(&cfile, capfile_name, TRUE /* temporary file */, &err) != CF_OK) {
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open_failure_alert_box(capfile_name, err, FALSE);
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goto end;
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}
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switch (cf_read(&cfile, FALSE)) {
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case CF_READ_OK:
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case CF_READ_ERROR:
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/* Just because we got an error, that doesn't mean we were unable
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to read any of the file; we handle what we could get from the
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file. */
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break;
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case CF_READ_ABORTED:
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/* The user bailed out of re-reading the capture file; the
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capture file has been closed - just free the capture file name
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string and return (without changing the last containing
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directory). */
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break;
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}
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end:
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g_free(capfile_name);
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}
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static void
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export_pdu_destroy_cb(GtkWidget *win _U_, gpointer user_data _U_)
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{
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/* Note that we no longer have a export_pdu dialog box. */
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export_pdu_dlg = NULL;
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}
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void
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do_export_pdu(gpointer data)
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{
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const char *filter = NULL;
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GString *error_string;
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exp_pdu_t *exp_pdu_tap_data = (exp_pdu_t *)data;
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gchar *tap_name = NULL;
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filter = gtk_entry_get_text(GTK_ENTRY(exp_pdu_tap_data->filter_widget));
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tap_name = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(exp_pdu_tap_data->tap_name_widget));
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/* Register this tap listener now */
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error_string = register_tap_listener(tap_name, /* The name of the tap we want to listen to */
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exp_pdu_tap_data, /* instance identifier/pointer to a struct holding
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* all state variables */
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filter, /* pointer to a filter string */
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TL_REQUIRES_NOTHING, /* flags for the tap listener */
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export_pdu_reset,
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export_pdu_packet,
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export_pdu_draw);
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if (error_string){
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/* Error. We failed to attach to the tap. Clean up */
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simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s", error_string->str);
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g_free(exp_pdu_tap_data);
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g_string_free(error_string, TRUE);
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return;
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}
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exp_pdu_file_open(exp_pdu_tap_data);
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window_destroy(export_pdu_dlg);
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}
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void
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export_pdu_show_cb(GtkWidget *w _U_, gpointer d _U_)
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{
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GtkWidget *main_vb, *bbox, *close_bt, *ok_bt;
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GtkWidget *grid, *filter_bt;
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exp_pdu_t *exp_pdu_tap_data;
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const char *filter = NULL;
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guint row;
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static construct_args_t args = {
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"Wireshark: Export PDUs Filter",
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TRUE, /* dialog should have an Apply button */
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FALSE, /* if parent text widget should be activated on "Ok" or "Apply" */
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FALSE /* dialog is modal and transient to the parent window */
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};
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if (export_pdu_dlg != NULL) {
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/* There's already a export_pdu dialog box; reactivate it. */
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reactivate_window(export_pdu_dlg);
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return;
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}
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exp_pdu_tap_data = (exp_pdu_t *)g_malloc(sizeof(exp_pdu_t));
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exp_pdu_tap_data->pkt_encap = wtap_wtap_encap_to_pcap_encap(WTAP_ENCAP_WIRESHARK_UPPER_PDU);
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export_pdu_dlg = window_new(GTK_WINDOW_TOPLEVEL, "Wireshark: Export PDU:s to pcap-ng file");
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g_signal_connect(export_pdu_dlg, "delete_event", G_CALLBACK(window_delete_event_cb), NULL);
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g_signal_connect(export_pdu_dlg, "destroy", G_CALLBACK(export_pdu_destroy_cb), NULL);
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main_vb = ws_gtk_box_new(GTK_ORIENTATION_VERTICAL, 0, FALSE);
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gtk_container_set_border_width(GTK_CONTAINER(main_vb), 3);
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gtk_container_add(GTK_CONTAINER(export_pdu_dlg), main_vb);
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/* grid */
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grid = ws_gtk_grid_new();
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ws_gtk_grid_set_column_spacing(GTK_GRID(grid), 6);
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ws_gtk_grid_set_row_spacing(GTK_GRID(grid), 3);
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gtk_box_pack_start(GTK_BOX(main_vb), grid, TRUE, TRUE, 0);
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row = 0;
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/* Filter button */
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filter_bt=gtk_button_new_from_stock(WIRESHARK_STOCK_DISPLAY_FILTER_ENTRY);
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g_signal_connect(filter_bt, "clicked", G_CALLBACK(display_filter_construct_cb), &args);
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ws_gtk_grid_attach_defaults(GTK_GRID(grid), filter_bt, 0, row, 1, 1);
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gtk_widget_show(filter_bt);
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/* Entry */
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exp_pdu_tap_data->filter_widget=gtk_entry_new();
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g_signal_connect(exp_pdu_tap_data->filter_widget, "changed", G_CALLBACK(filter_te_syntax_check_cb), NULL);
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g_object_set_data(G_OBJECT(grid), E_FILT_AUTOCOMP_PTR_KEY, NULL);
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g_signal_connect(exp_pdu_tap_data->filter_widget, "key-press-event", G_CALLBACK (filter_string_te_key_pressed_cb), NULL);
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g_object_set_data(G_OBJECT(filter_bt), E_FILT_TE_PTR_KEY, exp_pdu_tap_data->filter_widget);
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filter=gtk_entry_get_text(GTK_ENTRY(main_display_filter_widget));
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if(filter){
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gtk_entry_set_text(GTK_ENTRY(exp_pdu_tap_data->filter_widget), filter);
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} else {
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colorize_filter_te_as_empty(exp_pdu_tap_data->filter_widget);
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}
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ws_gtk_grid_attach_defaults(GTK_GRID(grid), exp_pdu_tap_data->filter_widget, 1, row, 1, 1);
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gtk_widget_show(exp_pdu_tap_data->filter_widget);
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row++;
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/* Select which tap to run */
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/* Combo box */
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exp_pdu_tap_data->tap_name_widget = gtk_combo_box_text_new();
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gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT(exp_pdu_tap_data->tap_name_widget), EXPORT_PDU_TAP_NAME_LAYER_7);
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gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT(exp_pdu_tap_data->tap_name_widget), EXPORT_PDU_TAP_NAME_LAYER_3);
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gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT(exp_pdu_tap_data->tap_name_widget), EXPORT_PDU_TAP_NAME_DVB_CI);
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gtk_combo_box_set_active(GTK_COMBO_BOX(exp_pdu_tap_data->tap_name_widget), 0);
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ws_gtk_grid_attach_defaults(GTK_GRID(grid), exp_pdu_tap_data->tap_name_widget, 0, row, 1, 1);
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gtk_widget_show(exp_pdu_tap_data->tap_name_widget);
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/* Setup the button row */
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bbox = dlg_button_row_new(GTK_STOCK_OK, GTK_STOCK_CANCEL, NULL);
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gtk_box_pack_end(GTK_BOX(main_vb), bbox, FALSE, FALSE, 3);
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close_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CANCEL);
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window_set_cancel_button(export_pdu_dlg, close_bt, window_cancel_button_cb);
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gtk_widget_set_tooltip_text(close_bt, "Close this dialog");
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ok_bt = (GtkWidget *)g_object_get_data(G_OBJECT(bbox), GTK_STOCK_OK);
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g_signal_connect(ok_bt, "clicked", G_CALLBACK(file_export_pdu_ok_cb), exp_pdu_tap_data);
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gtk_widget_grab_default(ok_bt);
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gtk_widget_set_tooltip_text(ok_bt, "Export PDU:s to a temporary capture file");
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gtk_widget_show_all(export_pdu_dlg);
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window_present(export_pdu_dlg);
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}
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