1217 lines
37 KiB
C
1217 lines
37 KiB
C
/* follow_dlg.c
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*
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* $Id$
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 2000 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <gtk/gtk.h>
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#include <stdio.h>
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <ctype.h>
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#include "isprint.h"
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#include "file_util.h"
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#include "color.h"
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#include "colors.h"
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#include "file.h"
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#include "follow_dlg.h"
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#include <epan/follow.h>
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#include "dlg_utils.h"
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#include "keys.h"
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#include "globals.h"
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#include "main.h"
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#include "alert_box.h"
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#include "simple_dialog.h"
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#include <epan/dissectors/packet-ipv6.h>
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#include <epan/prefs.h>
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#include <epan/addr_resolv.h>
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#include <epan/charsets.h>
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#include "tempfile.h"
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#include "gui_utils.h"
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#include <epan/epan_dissect.h>
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#include <epan/filesystem.h>
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#include "compat_macros.h"
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#include <epan/ipproto.h>
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#include "print_mswin.h"
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#include "font_utils.h"
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#include "help_dlg.h"
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/* This is backwards-compatibility code for old versions of GTK+ (2.2.1 and
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* earlier). It defines the new wrap behavior (unknown in earlier versions)
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* as the old (slightly buggy) wrap behavior.
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*/
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#ifndef GTK_WRAP_WORD_CHAR
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#define GTK_WRAP_WORD_CHAR GTK_WRAP_WORD
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#endif
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/* Show Stream */
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typedef enum {
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FROM_CLIENT,
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FROM_SERVER,
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BOTH_HOSTS
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} show_stream_t;
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/* Show Type */
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typedef enum {
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SHOW_ASCII,
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SHOW_EBCDIC,
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SHOW_HEXDUMP,
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SHOW_CARRAY,
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SHOW_RAW
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} show_type_t;
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typedef struct {
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show_stream_t show_stream;
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show_type_t show_type;
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char data_out_filename[128 + 1];
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GtkWidget *text;
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GtkWidget *ascii_bt;
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GtkWidget *ebcdic_bt;
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GtkWidget *hexdump_bt;
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GtkWidget *carray_bt;
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GtkWidget *raw_bt;
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GtkWidget *follow_save_as_w;
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gboolean is_ipv6;
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char *filter_out_filter;
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GtkWidget *filter_te;
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GtkWidget *streamwindow;
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} follow_info_t;
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static void follow_destroy_cb(GtkWidget * win, gpointer data);
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static void follow_charset_toggle_cb(GtkWidget * w, gpointer parent_w);
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static void follow_load_text(follow_info_t *follow_info);
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static void follow_filter_out_stream(GtkWidget * w, gpointer parent_w);
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static void follow_print_stream(GtkWidget * w, gpointer parent_w);
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static void follow_save_as_cmd_cb(GtkWidget * w, gpointer data);
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static void follow_save_as_ok_cb(GtkWidget * w, gpointer fs);
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static void follow_save_as_destroy_cb(GtkWidget * win, gpointer user_data);
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static void follow_stream_om_both(GtkWidget * w, gpointer data);
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static void follow_stream_om_client(GtkWidget * w, gpointer data);
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static void follow_stream_om_server(GtkWidget * w, gpointer data);
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/* With MSVC and a libethereal.dll, we need a special declaration. */
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ETH_VAR_IMPORT FILE *data_out_file;
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#define E_FOLLOW_INFO_KEY "follow_info_key"
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/* List of "follow_info_t" structures for all "Follow TCP Stream" windows,
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so we can redraw them all if the colors or font changes. */
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static GList *follow_infos;
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/* Add a "follow_info_t" structure to the list. */
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static void
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remember_follow_info(follow_info_t *follow_info)
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{
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follow_infos = g_list_append(follow_infos, follow_info);
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}
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/* Remove a "follow_info_t" structure from the list. */
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static void
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forget_follow_info(follow_info_t *follow_info)
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{
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follow_infos = g_list_remove(follow_infos, follow_info);
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}
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static void
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follow_redraw(gpointer data, gpointer user_data _U_)
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{
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follow_load_text((follow_info_t *)data);
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}
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/* Redraw the text in all "Follow TCP Stream" windows. */
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void
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follow_redraw_all(void)
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{
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g_list_foreach(follow_infos, follow_redraw, NULL);
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}
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/* Follow the TCP stream, if any, to which the last packet that we called
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a dissection routine on belongs (this might be the most recently
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selected packet, or it might be the last packet in the file). */
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void
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follow_stream_cb(GtkWidget * w, gpointer data _U_)
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{
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GtkWidget *streamwindow, *vbox, *txt_scrollw, *text, *filter_te;
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GtkWidget *hbox, *bbox, *button, *radio_bt;
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GtkWidget *stream_fr, *stream_vb;
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GtkWidget *stream_om, *stream_menu, *stream_mi;
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GtkTooltips *tooltips;
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int tmp_fd;
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gchar *follow_filter;
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const gchar *previous_filter;
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int filter_out_filter_len;
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const char *hostname0, *hostname1;
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char *port0, *port1;
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char string[128];
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follow_tcp_stats_t stats;
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follow_info_t *follow_info;
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/* we got tcp so we can follow */
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if (cfile.edt->pi.ipproto != 6) {
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simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
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"Error following stream. Please make\n"
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"sure you have a TCP packet selected.");
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return;
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}
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follow_info = g_new0(follow_info_t, 1);
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/* Create a temporary file into which to dump the reassembled data
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from the TCP stream, and set "data_out_file" to refer to it, so
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that the TCP code will write to it.
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XXX - it might be nicer to just have the TCP code directly
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append stuff to the text widget for the TCP stream window,
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if we can arrange that said window not pop up until we're
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done. */
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tmp_fd = create_tempfile(follow_info->data_out_filename,
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sizeof follow_info->data_out_filename, "follow");
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if (tmp_fd == -1) {
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simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
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"Could not create temporary file %s: %s",
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follow_info->data_out_filename, strerror(errno));
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g_free(follow_info);
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return;
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}
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data_out_file = fdopen(tmp_fd, "wb");
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if (data_out_file == NULL) {
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simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
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"Could not create temporary file %s: %s",
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follow_info->data_out_filename, strerror(errno));
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eth_close(tmp_fd);
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unlink(follow_info->data_out_filename);
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g_free(follow_info);
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return;
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}
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/* Create a new filter that matches all packets in the TCP stream,
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and set the display filter entry accordingly */
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reset_tcp_reassembly();
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follow_filter = build_follow_filter(&cfile.edt->pi);
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/* Set the display filter entry accordingly */
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filter_te = OBJECT_GET_DATA(w, E_DFILTER_TE_KEY);
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/* needed in follow_filter_out_stream(), is there a better way? */
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follow_info->filter_te = filter_te;
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/* save previous filter, const since we're not supposed to alter */
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previous_filter =
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(const gchar *)gtk_entry_get_text(GTK_ENTRY(filter_te));
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/* allocate our new filter. API claims g_malloc terminates program on failure */
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/* my calc for max alloc needed is really +10 but when did a few extra bytes hurt ? */
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filter_out_filter_len = strlen(follow_filter) + strlen(previous_filter) + 16;
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follow_info->filter_out_filter = (gchar *)g_malloc(filter_out_filter_len);
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/* append the negation */
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if(strlen(previous_filter)) {
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g_snprintf(follow_info->filter_out_filter, filter_out_filter_len,
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"%s and !(%s)", previous_filter, follow_filter);
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} else {
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g_snprintf(follow_info->filter_out_filter, filter_out_filter_len,
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"!(%s)", follow_filter);
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}
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gtk_entry_set_text(GTK_ENTRY(filter_te), follow_filter);
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/* Run the display filter so it goes in effect - even if it's the
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same as the previous display filter. */
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main_filter_packets(&cfile, follow_filter, TRUE);
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/* Free the filter string, as we're done with it. */
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g_free(follow_filter);
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/* The data_out_file should now be full of the streams information */
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fclose(data_out_file);
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/* The data_out_filename file now has all the text that was in the session */
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streamwindow = dlg_window_new("Follow TCP Stream");
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/* needed in follow_filter_out_stream(), is there a better way? */
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follow_info->streamwindow = streamwindow;
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gtk_widget_set_name(streamwindow, "TCP stream window");
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gtk_window_set_default_size(GTK_WINDOW(streamwindow), DEF_WIDTH, DEF_HEIGHT);
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gtk_container_border_width(GTK_CONTAINER(streamwindow), 6);
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/* setup the container */
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tooltips = gtk_tooltips_new ();
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vbox = gtk_vbox_new(FALSE, 6);
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gtk_container_add(GTK_CONTAINER(streamwindow), vbox);
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/* content frame */
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if (incomplete_tcp_stream) {
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stream_fr = gtk_frame_new("Stream Content (incomplete)");
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} else {
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stream_fr = gtk_frame_new("Stream Content");
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}
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gtk_container_add(GTK_CONTAINER(vbox), stream_fr);
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gtk_widget_show(stream_fr);
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stream_vb = gtk_vbox_new(FALSE, 6);
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gtk_container_set_border_width( GTK_CONTAINER(stream_vb) , 6);
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gtk_container_add(GTK_CONTAINER(stream_fr), stream_vb);
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/* create a scrolled window for the text */
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txt_scrollw = scrolled_window_new(NULL, NULL);
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#if GTK_MAJOR_VERSION >= 2
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gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(txt_scrollw),
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GTK_SHADOW_IN);
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#endif
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gtk_box_pack_start(GTK_BOX(stream_vb), txt_scrollw, TRUE, TRUE, 0);
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/* create a text box */
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#if GTK_MAJOR_VERSION < 2
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text = gtk_text_new(NULL, NULL);
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gtk_text_set_editable(GTK_TEXT(text), FALSE);
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#else
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text = gtk_text_view_new();
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gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
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gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
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#endif
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gtk_container_add(GTK_CONTAINER(txt_scrollw), text);
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follow_info->text = text;
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/* stream hbox */
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hbox = gtk_hbox_new(FALSE, 1);
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gtk_box_pack_start(GTK_BOX(stream_vb), hbox, FALSE, FALSE, 0);
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/* Create Save As Button */
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button = BUTTON_NEW_FROM_STOCK(GTK_STOCK_SAVE_AS);
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SIGNAL_CONNECT(button, "clicked", follow_save_as_cmd_cb, follow_info);
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gtk_tooltips_set_tip (tooltips, button, "Save the content as currently displayed ", NULL);
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gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
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/* Create Print Button */
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button = BUTTON_NEW_FROM_STOCK(GTK_STOCK_PRINT);
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SIGNAL_CONNECT(button, "clicked", follow_print_stream, follow_info);
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gtk_tooltips_set_tip (tooltips, button, "Print the content as currently displayed", NULL);
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gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
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/* Stream to show */
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follow_tcp_stats(&stats);
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if (stats.is_ipv6) {
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struct e_in6_addr ipaddr;
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memcpy(&ipaddr, stats.ip_address[0], 16);
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hostname0 = get_hostname6(&ipaddr);
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memcpy(&ipaddr, stats.ip_address[0], 16);
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hostname1 = get_hostname6(&ipaddr);
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} else {
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guint32 ipaddr;
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memcpy(&ipaddr, stats.ip_address[0], 4);
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hostname0 = get_hostname(ipaddr);
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memcpy(&ipaddr, stats.ip_address[1], 4);
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hostname1 = get_hostname(ipaddr);
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}
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port0 = get_tcp_port(stats.tcp_port[0]);
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port1 = get_tcp_port(stats.tcp_port[1]);
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follow_info->is_ipv6 = stats.is_ipv6;
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stream_om = gtk_option_menu_new();
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stream_menu = gtk_menu_new();
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/* Both Stream Directions */
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g_snprintf(string, sizeof(string),
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"Entire conversation (%u bytes)",
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stats.bytes_written[0] + stats.bytes_written[1]);
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stream_mi = gtk_menu_item_new_with_label(string);
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SIGNAL_CONNECT(stream_mi, "activate", follow_stream_om_both,
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follow_info);
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gtk_menu_append(GTK_MENU(stream_menu), stream_mi);
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gtk_widget_show(stream_mi);
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follow_info->show_stream = BOTH_HOSTS;
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/* Host 0 --> Host 1 */
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g_snprintf(string, sizeof(string), "%s:%s --> %s:%s (%u bytes)",
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hostname0, port0, hostname1, port1,
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stats.bytes_written[0]);
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stream_mi = gtk_menu_item_new_with_label(string);
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SIGNAL_CONNECT(stream_mi, "activate", follow_stream_om_client,
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follow_info);
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gtk_menu_append(GTK_MENU(stream_menu), stream_mi);
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gtk_widget_show(stream_mi);
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/* Host 1 --> Host 0 */
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g_snprintf(string, sizeof(string), "%s:%s --> %s:%s (%u bytes)",
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hostname1, port1, hostname0, port0,
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stats.bytes_written[1]);
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stream_mi = gtk_menu_item_new_with_label(string);
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SIGNAL_CONNECT(stream_mi, "activate", follow_stream_om_server,
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follow_info);
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gtk_menu_append(GTK_MENU(stream_menu), stream_mi);
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gtk_widget_show(stream_mi);
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gtk_option_menu_set_menu(GTK_OPTION_MENU(stream_om), stream_menu);
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/* Set history to 0th item, i.e., the first item. */
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gtk_option_menu_set_history(GTK_OPTION_MENU(stream_om), 0);
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gtk_tooltips_set_tip (tooltips, stream_om,
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"Select the stream direction to display", NULL);
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gtk_box_pack_start(GTK_BOX(hbox), stream_om, FALSE, FALSE, 0);
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/* ASCII radio button */
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radio_bt = gtk_radio_button_new_with_label(NULL, "ASCII");
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gtk_tooltips_set_tip (tooltips, radio_bt, "Stream data output in \"ASCII\" format", NULL);
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gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(radio_bt), TRUE);
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gtk_box_pack_start(GTK_BOX(hbox), radio_bt, FALSE, FALSE, 0);
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SIGNAL_CONNECT(radio_bt, "toggled", follow_charset_toggle_cb,
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follow_info);
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follow_info->ascii_bt = radio_bt;
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follow_info->show_type = SHOW_ASCII;
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/* EBCDIC radio button */
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radio_bt = gtk_radio_button_new_with_label(gtk_radio_button_group
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(GTK_RADIO_BUTTON(radio_bt)),
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"EBCDIC");
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gtk_tooltips_set_tip (tooltips, radio_bt, "Stream data output in \"EBCDIC\" format", NULL);
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gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(radio_bt), FALSE);
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gtk_box_pack_start(GTK_BOX(hbox), radio_bt, FALSE, FALSE, 0);
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SIGNAL_CONNECT(radio_bt, "toggled", follow_charset_toggle_cb,
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follow_info);
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follow_info->ebcdic_bt = radio_bt;
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/* HEX DUMP radio button */
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radio_bt = gtk_radio_button_new_with_label(gtk_radio_button_group
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(GTK_RADIO_BUTTON(radio_bt)),
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"Hex Dump");
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gtk_tooltips_set_tip (tooltips, radio_bt, "Stream data output in \"Hexdump\" format", NULL);
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gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(radio_bt), FALSE);
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gtk_box_pack_start(GTK_BOX(hbox), radio_bt, FALSE, FALSE, 0);
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SIGNAL_CONNECT(radio_bt, "toggled", follow_charset_toggle_cb,
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follow_info);
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follow_info->hexdump_bt = radio_bt;
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/* C Array radio button */
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radio_bt = gtk_radio_button_new_with_label(gtk_radio_button_group
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(GTK_RADIO_BUTTON(radio_bt)),
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"C Arrays");
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gtk_tooltips_set_tip (tooltips, radio_bt, "Stream data output in \"C Array\" format", NULL);
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gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(radio_bt), FALSE);
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gtk_box_pack_start(GTK_BOX(hbox), radio_bt, FALSE, FALSE, 0);
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SIGNAL_CONNECT(radio_bt, "toggled", follow_charset_toggle_cb,
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follow_info);
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follow_info->carray_bt = radio_bt;
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/* Raw radio button */
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radio_bt = gtk_radio_button_new_with_label(gtk_radio_button_group
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(GTK_RADIO_BUTTON(radio_bt)),
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"Raw");
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gtk_tooltips_set_tip (tooltips, radio_bt, "Stream data output in \"Raw\" (binary) format. "
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"As this contains non printable characters, the screen output will be in ASCII format", NULL);
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gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(radio_bt), FALSE);
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gtk_box_pack_start(GTK_BOX(hbox), radio_bt, FALSE, FALSE, 0);
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SIGNAL_CONNECT(radio_bt, "toggled", follow_charset_toggle_cb,
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follow_info);
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follow_info->raw_bt = radio_bt;
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|
|
/* Button row: (help), filter out, close button */
|
|
if(topic_available(HELP_FILESET_DIALOG)) {
|
|
bbox = dlg_button_row_new(ETHEREAL_STOCK_FILTER_OUT_STREAM, GTK_STOCK_CLOSE, GTK_STOCK_HELP, NULL);
|
|
} else {
|
|
bbox = dlg_button_row_new(ETHEREAL_STOCK_FILTER_OUT_STREAM, GTK_STOCK_CLOSE, NULL);
|
|
}
|
|
gtk_box_pack_start(GTK_BOX(vbox), bbox, FALSE, FALSE, 5);
|
|
|
|
|
|
button = OBJECT_GET_DATA(bbox, ETHEREAL_STOCK_FILTER_OUT_STREAM);
|
|
gtk_tooltips_set_tip (tooltips, button,
|
|
"Build a display filter which cuts this stream from the capture", NULL);
|
|
SIGNAL_CONNECT(button, "clicked", follow_filter_out_stream, follow_info);
|
|
|
|
button = OBJECT_GET_DATA(bbox, GTK_STOCK_CLOSE);
|
|
window_set_cancel_button(streamwindow, button, window_cancel_button_cb);
|
|
gtk_tooltips_set_tip (tooltips, button,
|
|
"Close the dialog and keep the current display filter", NULL);
|
|
gtk_widget_grab_default(button);
|
|
|
|
if(topic_available(HELP_FILESET_DIALOG)) {
|
|
button = OBJECT_GET_DATA(bbox, GTK_STOCK_HELP);
|
|
SIGNAL_CONNECT(button, "clicked", topic_cb, HELP_FOLLOW_TCP_STREAM_DIALOG);
|
|
}
|
|
|
|
/* Tuck away the follow_info object into the window */
|
|
OBJECT_SET_DATA(streamwindow, E_FOLLOW_INFO_KEY, follow_info);
|
|
|
|
follow_load_text(follow_info);
|
|
remember_follow_info(follow_info);
|
|
|
|
data_out_file = NULL;
|
|
|
|
SIGNAL_CONNECT(streamwindow, "delete_event", window_delete_event_cb, NULL);
|
|
SIGNAL_CONNECT(streamwindow, "destroy", follow_destroy_cb, NULL);
|
|
|
|
/* Make sure this widget gets destroyed if we quit the main loop,
|
|
so that if we exit, we clean up any temporary files we have
|
|
for "Follow TCP Stream" windows. */
|
|
gtk_quit_add_destroy(gtk_main_level(), GTK_OBJECT(streamwindow));
|
|
|
|
gtk_widget_show_all(streamwindow);
|
|
window_present(streamwindow);
|
|
}
|
|
|
|
/* The destroy call back has the responsibility of
|
|
* unlinking the temporary file
|
|
* and freeing the filter_out_filter */
|
|
static void
|
|
follow_destroy_cb(GtkWidget *w, gpointer data _U_)
|
|
{
|
|
follow_info_t *follow_info;
|
|
int i;
|
|
|
|
follow_info = OBJECT_GET_DATA(w, E_FOLLOW_INFO_KEY);
|
|
i = unlink(follow_info->data_out_filename);
|
|
if(i != 0) {
|
|
g_warning("Follow: Couldn't remove temporary file: \"%s\", errno: %s (%u)",
|
|
follow_info->data_out_filename, strerror(errno), errno);
|
|
}
|
|
g_free(follow_info->filter_out_filter);
|
|
forget_follow_info(follow_info);
|
|
g_free(follow_info);
|
|
}
|
|
|
|
/* XXX - can I emulate follow_charset_toggle_cb() instead of having
|
|
* 3 different functions here?
|
|
* That might not be a bad idea, as it might mean we only reload
|
|
* the window once, not twice - see follow_charset_toggle_cb()
|
|
* for an explanation. */
|
|
static void
|
|
follow_stream_om_both(GtkWidget *w _U_, gpointer data)
|
|
{
|
|
follow_info_t *follow_info = data;
|
|
follow_info->show_stream = BOTH_HOSTS;
|
|
follow_load_text(follow_info);
|
|
}
|
|
|
|
static void
|
|
follow_stream_om_client(GtkWidget *w _U_, gpointer data)
|
|
{
|
|
follow_info_t *follow_info = data;
|
|
follow_info->show_stream = FROM_CLIENT;
|
|
follow_load_text(follow_info);
|
|
}
|
|
|
|
static void
|
|
follow_stream_om_server(GtkWidget *w _U_, gpointer data)
|
|
{
|
|
follow_info_t *follow_info = data;
|
|
follow_info->show_stream = FROM_SERVER;
|
|
follow_load_text(follow_info);
|
|
}
|
|
|
|
|
|
/* Handles the display style toggling */
|
|
static void
|
|
follow_charset_toggle_cb(GtkWidget * w _U_, gpointer data)
|
|
{
|
|
follow_info_t *follow_info = data;
|
|
|
|
/*
|
|
* A radio button toggles when it goes on and when it goes
|
|
* off, so when you click a radio button two signals are
|
|
* delivered. We only want to reprocess the display once,
|
|
* so we do it only when the button goes on.
|
|
*/
|
|
if (GTK_TOGGLE_BUTTON(w)->active) {
|
|
if (w == follow_info->ebcdic_bt)
|
|
follow_info->show_type = SHOW_EBCDIC;
|
|
else if (w == follow_info->hexdump_bt)
|
|
follow_info->show_type = SHOW_HEXDUMP;
|
|
else if (w == follow_info->carray_bt)
|
|
follow_info->show_type = SHOW_CARRAY;
|
|
else if (w == follow_info->ascii_bt)
|
|
follow_info->show_type = SHOW_ASCII;
|
|
else if (w == follow_info->raw_bt)
|
|
follow_info->show_type = SHOW_RAW;
|
|
follow_load_text(follow_info);
|
|
}
|
|
}
|
|
|
|
#define FLT_BUF_SIZE 1024
|
|
|
|
typedef enum {
|
|
FRS_OK,
|
|
FRS_OPEN_ERROR,
|
|
FRS_READ_ERROR,
|
|
FRS_PRINT_ERROR
|
|
} frs_return_t;
|
|
|
|
/*
|
|
* XXX - the routine pointed to by "print_line" doesn't get handed lines,
|
|
* it gets handed bufferfuls. That's fine for "follow_write_raw()"
|
|
* and "follow_add_to_gtk_text()", but, as "follow_print_text()" calls
|
|
* the "print_line()" routine from "print.c", and as that routine might
|
|
* genuinely expect to be handed a line (if, for example, it's using
|
|
* some OS or desktop environment's printing API, and that API expects
|
|
* to be handed lines), "follow_print_text()" should probably accumulate
|
|
* lines in a buffer and hand them "print_line()". (If there's a
|
|
* complete line in a buffer - i.e., there's nothing of the line in
|
|
* the previous buffer or the next buffer - it can just hand that to
|
|
* "print_line()" after filtering out non-printables, as an
|
|
* optimization.)
|
|
*
|
|
* This might or might not be the reason why C arrays display
|
|
* correctly but get extra blank lines very other line when printed.
|
|
*/
|
|
static frs_return_t
|
|
follow_read_stream(follow_info_t *follow_info,
|
|
gboolean (*print_line) (char *, size_t, gboolean, void *),
|
|
void *arg)
|
|
{
|
|
tcp_stream_chunk sc;
|
|
int bcount, iplen;
|
|
guint8 client_addr[MAX_IPADDR_LEN];
|
|
guint16 client_port = 0;
|
|
gboolean is_server;
|
|
guint32 current_pos, global_client_pos = 0, global_server_pos = 0;
|
|
guint32 *global_pos;
|
|
gboolean skip;
|
|
gchar initbuf[256];
|
|
guint32 server_packet_count = 0;
|
|
guint32 client_packet_count = 0;
|
|
char buffer[FLT_BUF_SIZE];
|
|
size_t nchars;
|
|
static const gchar hexchars[16] = "0123456789abcdef";
|
|
|
|
iplen = (follow_info->is_ipv6) ? 16 : 4;
|
|
|
|
data_out_file = eth_fopen(follow_info->data_out_filename, "rb");
|
|
if (data_out_file == NULL) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"Could not open temporary file %s: %s", follow_info->data_out_filename,
|
|
strerror(errno));
|
|
return FRS_OPEN_ERROR;
|
|
}
|
|
|
|
while (fread(&sc, 1, sizeof(sc), data_out_file)) {
|
|
if (client_port == 0) {
|
|
memcpy(client_addr, sc.src_addr, iplen);
|
|
client_port = sc.src_port;
|
|
}
|
|
skip = FALSE;
|
|
if (memcmp(client_addr, sc.src_addr, iplen) == 0 &&
|
|
client_port == sc.src_port) {
|
|
is_server = FALSE;
|
|
global_pos = &global_client_pos;
|
|
if (follow_info->show_stream == FROM_SERVER) {
|
|
skip = TRUE;
|
|
}
|
|
}
|
|
else {
|
|
is_server = TRUE;
|
|
global_pos = &global_server_pos;
|
|
if (follow_info->show_stream == FROM_CLIENT) {
|
|
skip = TRUE;
|
|
}
|
|
}
|
|
|
|
while (sc.dlen > 0) {
|
|
bcount = (sc.dlen < FLT_BUF_SIZE) ? sc.dlen : FLT_BUF_SIZE;
|
|
nchars = fread(buffer, 1, bcount, data_out_file);
|
|
if (nchars == 0)
|
|
break;
|
|
sc.dlen -= nchars;
|
|
|
|
if (!skip) {
|
|
switch (follow_info->show_type) {
|
|
|
|
case SHOW_EBCDIC:
|
|
/* If our native arch is ASCII, call: */
|
|
EBCDIC_to_ASCII(buffer, nchars);
|
|
if (!(*print_line) (buffer, nchars, is_server, arg))
|
|
goto print_error;
|
|
break;
|
|
|
|
case SHOW_ASCII:
|
|
/* If our native arch is EBCDIC, call:
|
|
* ASCII_TO_EBCDIC(buffer, nchars);
|
|
*/
|
|
if (!(*print_line) (buffer, nchars, is_server, arg))
|
|
goto print_error;
|
|
break;
|
|
|
|
case SHOW_RAW:
|
|
/* Don't translate, no matter what the native arch
|
|
* is.
|
|
*/
|
|
if (!(*print_line) (buffer, nchars, is_server, arg))
|
|
goto print_error;
|
|
break;
|
|
|
|
case SHOW_HEXDUMP:
|
|
current_pos = 0;
|
|
while (current_pos < nchars) {
|
|
gchar hexbuf[256];
|
|
int i;
|
|
gchar *cur = hexbuf, *ascii_start;
|
|
|
|
/* is_server indentation : put 78 spaces at the
|
|
* beginning of the string */
|
|
if (is_server && follow_info->show_stream == BOTH_HOSTS) {
|
|
memset(cur, ' ', 78);
|
|
cur += 78;
|
|
}
|
|
cur += g_snprintf(cur, 20, "%08X ", *global_pos);
|
|
/* 49 is space consumed by hex chars */
|
|
ascii_start = cur + 49;
|
|
for (i = 0; i < 16 && current_pos + i < nchars; i++) {
|
|
*cur++ =
|
|
hexchars[(buffer[current_pos + i] & 0xf0) >> 4];
|
|
*cur++ =
|
|
hexchars[buffer[current_pos + i] & 0x0f];
|
|
*cur++ = ' ';
|
|
if (i == 7)
|
|
*cur++ = ' ';
|
|
}
|
|
/* Fill it up if column isn't complete */
|
|
while (cur < ascii_start)
|
|
*cur++ = ' ';
|
|
|
|
/* Now dump bytes as text */
|
|
for (i = 0; i < 16 && current_pos + i < nchars; i++) {
|
|
*cur++ =
|
|
(isprint((guchar)buffer[current_pos + i]) ?
|
|
buffer[current_pos + i] : '.' );
|
|
if (i == 7) {
|
|
*cur++ = ' ';
|
|
}
|
|
}
|
|
current_pos += i;
|
|
(*global_pos) += i;
|
|
*cur++ = '\n';
|
|
*cur = 0;
|
|
if (!(*print_line) (hexbuf, strlen(hexbuf), is_server, arg))
|
|
goto print_error;
|
|
}
|
|
break;
|
|
|
|
case SHOW_CARRAY:
|
|
current_pos = 0;
|
|
g_snprintf(initbuf, sizeof(initbuf), "char peer%d_%d[] = {\n",
|
|
is_server ? 1 : 0,
|
|
is_server ? server_packet_count++ : client_packet_count++);
|
|
if (!(*print_line) (initbuf, strlen(initbuf), is_server, arg))
|
|
goto print_error;
|
|
while (current_pos < nchars) {
|
|
gchar hexbuf[256];
|
|
int i, cur;
|
|
|
|
cur = 0;
|
|
for (i = 0; i < 8 && current_pos + i < nchars; i++) {
|
|
/* Prepend entries with "0x" */
|
|
hexbuf[cur++] = '0';
|
|
hexbuf[cur++] = 'x';
|
|
hexbuf[cur++] =
|
|
hexchars[(buffer[current_pos + i] & 0xf0) >> 4];
|
|
hexbuf[cur++] =
|
|
hexchars[buffer[current_pos + i] & 0x0f];
|
|
|
|
/* Delimit array entries with a comma */
|
|
if (current_pos + i + 1 < nchars)
|
|
hexbuf[cur++] = ',';
|
|
|
|
hexbuf[cur++] = ' ';
|
|
}
|
|
|
|
/* Terminate the array if we are at the end */
|
|
if (current_pos + i == nchars) {
|
|
hexbuf[cur++] = '}';
|
|
hexbuf[cur++] = ';';
|
|
}
|
|
|
|
current_pos += i;
|
|
(*global_pos) += i;
|
|
hexbuf[cur++] = '\n';
|
|
hexbuf[cur] = 0;
|
|
if (!(*print_line) (hexbuf, strlen(hexbuf), is_server, arg))
|
|
goto print_error;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (ferror(data_out_file)) {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"Error reading temporary file %s: %s", follow_info->data_out_filename,
|
|
strerror(errno));
|
|
fclose(data_out_file);
|
|
data_out_file = NULL;
|
|
return FRS_READ_ERROR;
|
|
}
|
|
|
|
fclose(data_out_file);
|
|
data_out_file = NULL;
|
|
return FRS_OK;
|
|
|
|
print_error:
|
|
fclose(data_out_file);
|
|
data_out_file = NULL;
|
|
return FRS_PRINT_ERROR;
|
|
}
|
|
|
|
/*
|
|
* XXX - for text printing, we probably want to wrap lines at 80 characters;
|
|
* (PostScript printing is doing this already), and perhaps put some kind of
|
|
* dingbat (to use the technical term) to indicate a wrapped line, along the
|
|
* lines of what's done when displaying this in a window, as per Warren Young's
|
|
* suggestion.
|
|
*/
|
|
static gboolean
|
|
follow_print_text(char *buffer, size_t nchars, gboolean is_server _U_, void *arg)
|
|
{
|
|
print_stream_t *stream = arg;
|
|
size_t i;
|
|
char *str;
|
|
|
|
/* convert non printable characters */
|
|
for (i = 0; i < nchars; i++) {
|
|
if (buffer[i] == '\n' || buffer[i] == '\r')
|
|
continue;
|
|
if (! isprint((guchar)buffer[i])) {
|
|
buffer[i] = '.';
|
|
}
|
|
}
|
|
|
|
/* convert unterminated char array to a zero terminated string */
|
|
str = g_malloc(nchars + 1);
|
|
memcpy(str, buffer, nchars);
|
|
str[nchars] = 0;
|
|
print_line(stream, /*indent*/ 0, str);
|
|
g_free(str);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
follow_write_raw(char *buffer, size_t nchars, gboolean is_server _U_, void *arg)
|
|
{
|
|
FILE *fh = arg;
|
|
size_t nwritten;
|
|
|
|
nwritten = fwrite(buffer, 1, nchars, fh);
|
|
if (nwritten != nchars)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
follow_filter_out_stream(GtkWidget * w _U_, gpointer data)
|
|
{
|
|
follow_info_t *follow_info = data;
|
|
|
|
/* Lock out user from messing with us. (ie. don't free our data!) */
|
|
gtk_widget_set_sensitive(follow_info->streamwindow, FALSE);
|
|
|
|
/* Set the display filter. */
|
|
gtk_entry_set_text(GTK_ENTRY(follow_info->filter_te), follow_info->filter_out_filter);
|
|
|
|
/* Run the display filter so it goes in effect. */
|
|
main_filter_packets(&cfile, follow_info->filter_out_filter, FALSE);
|
|
|
|
/* we force a subsequent close */
|
|
window_destroy(follow_info->streamwindow);
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
follow_print_stream(GtkWidget * w _U_, gpointer data)
|
|
{
|
|
print_stream_t *stream;
|
|
gboolean to_file;
|
|
char *print_dest;
|
|
follow_info_t *follow_info = data;
|
|
#ifdef _WIN32
|
|
gboolean win_printer = FALSE;
|
|
#endif
|
|
|
|
switch (prefs.pr_dest) {
|
|
case PR_DEST_CMD:
|
|
#ifdef _WIN32
|
|
win_printer = TRUE;
|
|
/*XXX should use temp file stuff in util routines */
|
|
print_dest = g_strdup(tmpnam(NULL));
|
|
to_file = TRUE;
|
|
#else
|
|
print_dest = prefs.pr_cmd;
|
|
to_file = FALSE;
|
|
#endif
|
|
break;
|
|
case PR_DEST_FILE:
|
|
print_dest = prefs.pr_file;
|
|
to_file = TRUE;
|
|
break;
|
|
default: /* "Can't happen" */
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"Couldn't figure out where to send the print "
|
|
"job. Check your preferences.");
|
|
return;
|
|
}
|
|
|
|
switch (prefs.pr_format) {
|
|
|
|
case PR_FMT_TEXT:
|
|
stream = print_stream_text_new(to_file, print_dest);
|
|
break;
|
|
|
|
case PR_FMT_PS:
|
|
stream = print_stream_ps_new(to_file, print_dest);
|
|
break;
|
|
|
|
default:
|
|
g_assert_not_reached();
|
|
stream = NULL;
|
|
}
|
|
if (stream == NULL) {
|
|
if (to_file) {
|
|
open_failure_alert_box(prefs.pr_file, errno, TRUE);
|
|
} else {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"Couldn't run print command %s.", prefs.pr_cmd);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (!print_preamble(stream, cfile.filename))
|
|
goto print_error;
|
|
|
|
switch (follow_read_stream(follow_info, follow_print_text, stream)) {
|
|
case FRS_OK:
|
|
break;
|
|
case FRS_OPEN_ERROR:
|
|
case FRS_READ_ERROR:
|
|
/* XXX - cancel printing? */
|
|
destroy_print_stream(stream);
|
|
return;
|
|
case FRS_PRINT_ERROR:
|
|
goto print_error;
|
|
}
|
|
|
|
if (!print_finale(stream))
|
|
goto print_error;
|
|
|
|
if (!destroy_print_stream(stream)) {
|
|
if (to_file) {
|
|
write_failure_alert_box(prefs.pr_file, errno);
|
|
} else {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"Error closing print destination.");
|
|
}
|
|
}
|
|
#ifdef _WIN32
|
|
if (win_printer) {
|
|
print_mswin(print_dest);
|
|
|
|
/* trash temp file */
|
|
eth_remove(print_dest);
|
|
}
|
|
#endif
|
|
return;
|
|
|
|
print_error:
|
|
if (to_file) {
|
|
write_failure_alert_box(prefs.pr_file, errno);
|
|
} else {
|
|
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
|
|
"Error writing to print command: %s", strerror(errno));
|
|
}
|
|
/* XXX - cancel printing? */
|
|
destroy_print_stream(stream);
|
|
|
|
#ifdef _WIN32
|
|
if (win_printer) {
|
|
/* trash temp file */
|
|
eth_remove(print_dest);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/* static variable declarations to speed up the performance
|
|
* of follow_load_text and follow_add_to_gtk_text
|
|
*/
|
|
static GdkColor server_fg, server_bg;
|
|
static GdkColor client_fg, client_bg;
|
|
#if GTK_MAJOR_VERSION >= 2
|
|
static GtkTextTag *server_tag, *client_tag;
|
|
#endif
|
|
|
|
static gboolean
|
|
follow_add_to_gtk_text(char *buffer, size_t nchars, gboolean is_server,
|
|
void *arg)
|
|
{
|
|
GtkWidget *text = arg;
|
|
#if GTK_MAJOR_VERSION >= 2
|
|
GtkTextBuffer *buf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
|
|
GtkTextIter iter;
|
|
#endif
|
|
|
|
#if GTK_MAJOR_VERSION >= 2 || GTK_MINOR_VERSION >= 3
|
|
/* While our isprint() hack is in place, we
|
|
* have to use convert some chars to '.' in order
|
|
* to be able to see the data we *should* see
|
|
* in the GtkText widget.
|
|
*/
|
|
size_t i;
|
|
|
|
for (i = 0; i < nchars; i++) {
|
|
if (buffer[i] == '\n' || buffer[i] == '\r')
|
|
continue;
|
|
if (! isprint(buffer[i])) {
|
|
buffer[i] = '.';
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if GTK_MAJOR_VERSION < 2
|
|
if (is_server) {
|
|
gtk_text_insert(GTK_TEXT(text), user_font_get_regular(), &server_fg,
|
|
&server_bg, buffer, nchars);
|
|
} else {
|
|
gtk_text_insert(GTK_TEXT(text), user_font_get_regular(), &client_fg,
|
|
&client_bg, buffer, nchars);
|
|
}
|
|
#else
|
|
gtk_text_buffer_get_end_iter(buf, &iter);
|
|
if (is_server) {
|
|
gtk_text_buffer_insert_with_tags(buf, &iter, buffer, nchars,
|
|
server_tag, NULL);
|
|
} else {
|
|
gtk_text_buffer_insert_with_tags(buf, &iter, buffer, nchars,
|
|
client_tag, NULL);
|
|
}
|
|
#endif
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
follow_load_text(follow_info_t *follow_info)
|
|
{
|
|
#if GTK_MAJOR_VERSION < 2
|
|
int bytes_already;
|
|
#else
|
|
GtkTextBuffer *buf;
|
|
|
|
buf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(follow_info->text));
|
|
#endif
|
|
|
|
/* prepare colors one time for repeated use by follow_add_to_gtk_text */
|
|
color_t_to_gdkcolor(&server_fg, &prefs.st_server_fg);
|
|
color_t_to_gdkcolor(&server_bg, &prefs.st_server_bg);
|
|
color_t_to_gdkcolor(&client_fg, &prefs.st_client_fg);
|
|
color_t_to_gdkcolor(&client_bg, &prefs.st_client_bg);
|
|
|
|
/* Delete any info already in text box */
|
|
#if GTK_MAJOR_VERSION < 2
|
|
bytes_already = gtk_text_get_length(GTK_TEXT(follow_info->text));
|
|
if (bytes_already > 0) {
|
|
gtk_text_set_point(GTK_TEXT(follow_info->text), 0);
|
|
gtk_text_forward_delete(GTK_TEXT(follow_info->text), bytes_already);
|
|
}
|
|
|
|
/* stop the updates while we fill the text box */
|
|
gtk_text_freeze(GTK_TEXT(follow_info->text));
|
|
#else
|
|
/* prepare tags one time for repeated use by follow_add_to_gtk_text */
|
|
server_tag = gtk_text_buffer_create_tag(buf, NULL, "foreground-gdk", &server_fg,
|
|
"background-gdk", &server_bg, "font-desc",
|
|
user_font_get_regular(), NULL);
|
|
client_tag = gtk_text_buffer_create_tag(buf, NULL, "foreground-gdk", &client_fg,
|
|
"background-gdk", &client_bg, "font-desc",
|
|
user_font_get_regular(), NULL);
|
|
|
|
gtk_text_buffer_set_text(buf, "", -1);
|
|
#endif
|
|
follow_read_stream(follow_info, follow_add_to_gtk_text, follow_info->text);
|
|
#if GTK_MAJOR_VERSION < 2
|
|
gtk_text_thaw(GTK_TEXT(follow_info->text));
|
|
#endif
|
|
}
|
|
|
|
|
|
/*
|
|
* Keep a static pointer to the current "Save TCP Follow Stream As" window, if
|
|
* any, so that if somebody tries to do "Save"
|
|
* while there's already a "Save TCP Follow Stream" window up, we just pop
|
|
* up the existing one, rather than creating a new one.
|
|
*/
|
|
static void
|
|
follow_save_as_cmd_cb(GtkWidget *w _U_, gpointer data)
|
|
{
|
|
GtkWidget *new_win;
|
|
follow_info_t *follow_info = data;
|
|
|
|
if (follow_info->follow_save_as_w != NULL) {
|
|
/* There's already a dialog box; reactivate it. */
|
|
reactivate_window(follow_info->follow_save_as_w);
|
|
return;
|
|
}
|
|
|
|
new_win = file_selection_new("Ethereal: Save TCP Follow Stream As",
|
|
FILE_SELECTION_SAVE);
|
|
follow_info->follow_save_as_w = new_win;
|
|
|
|
/* Tuck away the follow_info object into the window */
|
|
OBJECT_SET_DATA(new_win, E_FOLLOW_INFO_KEY, follow_info);
|
|
|
|
SIGNAL_CONNECT(new_win, "destroy", follow_save_as_destroy_cb, follow_info);
|
|
|
|
#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 4) || GTK_MAJOR_VERSION > 2
|
|
if (gtk_dialog_run(GTK_DIALOG(new_win)) == GTK_RESPONSE_ACCEPT)
|
|
{
|
|
follow_save_as_ok_cb(new_win, new_win);
|
|
} else {
|
|
window_destroy(new_win);
|
|
}
|
|
#else
|
|
/* Connect the ok_button to file_save_as_ok_cb function and pass along a
|
|
pointer to the file selection box widget */
|
|
SIGNAL_CONNECT(GTK_FILE_SELECTION(new_win)->ok_button,
|
|
"clicked", follow_save_as_ok_cb, new_win);
|
|
|
|
window_set_cancel_button(new_win,
|
|
GTK_FILE_SELECTION(new_win)->cancel_button, window_cancel_button_cb);
|
|
|
|
gtk_file_selection_set_filename(GTK_FILE_SELECTION(new_win), "");
|
|
|
|
SIGNAL_CONNECT(new_win, "delete_event", window_delete_event_cb, NULL);
|
|
|
|
gtk_widget_show_all(new_win);
|
|
window_present(new_win);
|
|
#endif
|
|
}
|
|
|
|
|
|
static void
|
|
follow_save_as_ok_cb(GtkWidget * w _U_, gpointer fs)
|
|
{
|
|
gchar *to_name;
|
|
follow_info_t *follow_info;
|
|
FILE *fh;
|
|
print_stream_t *stream = NULL;
|
|
gchar *dirname;
|
|
|
|
#if (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 4) || GTK_MAJOR_VERSION > 2
|
|
to_name = g_strdup(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(fs)));
|
|
#else
|
|
to_name = g_strdup(gtk_file_selection_get_filename(GTK_FILE_SELECTION(fs)));
|
|
#endif
|
|
|
|
/* Perhaps the user specified a directory instead of a file.
|
|
Check whether they did. */
|
|
if (test_for_directory(to_name) == EISDIR) {
|
|
/* It's a directory - set the file selection box to display that
|
|
directory, and leave the selection box displayed. */
|
|
set_last_open_dir(to_name);
|
|
g_free(to_name);
|
|
file_selection_set_current_folder(fs, get_last_open_dir());
|
|
return;
|
|
}
|
|
|
|
follow_info = OBJECT_GET_DATA(fs, E_FOLLOW_INFO_KEY);
|
|
if (follow_info->show_type == SHOW_RAW) {
|
|
/* Write the data out as raw binary data */
|
|
fh = eth_fopen(to_name, "wb");
|
|
} else {
|
|
/* Write it out as text */
|
|
fh = eth_fopen(to_name, "w");
|
|
}
|
|
if (fh == NULL) {
|
|
open_failure_alert_box(to_name, errno, TRUE);
|
|
g_free(to_name);
|
|
return;
|
|
}
|
|
|
|
gtk_widget_hide(GTK_WIDGET(fs));
|
|
window_destroy(GTK_WIDGET(fs));
|
|
|
|
if (follow_info->show_type == SHOW_RAW) {
|
|
switch (follow_read_stream(follow_info, follow_write_raw, fh)) {
|
|
case FRS_OK:
|
|
if (fclose(fh) == EOF)
|
|
write_failure_alert_box(to_name, errno);
|
|
break;
|
|
|
|
case FRS_OPEN_ERROR:
|
|
case FRS_READ_ERROR:
|
|
fclose(fh);
|
|
break;
|
|
|
|
case FRS_PRINT_ERROR:
|
|
write_failure_alert_box(to_name, errno);
|
|
fclose(fh);
|
|
break;
|
|
}
|
|
} else {
|
|
stream = print_stream_text_stdio_new(fh);
|
|
switch (follow_read_stream(follow_info, follow_print_text, stream)) {
|
|
case FRS_OK:
|
|
if (!destroy_print_stream(stream))
|
|
write_failure_alert_box(to_name, errno);
|
|
break;
|
|
|
|
case FRS_OPEN_ERROR:
|
|
case FRS_READ_ERROR:
|
|
destroy_print_stream(stream);
|
|
break;
|
|
|
|
case FRS_PRINT_ERROR:
|
|
write_failure_alert_box(to_name, errno);
|
|
destroy_print_stream(stream);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Save the directory name for future file dialogs. */
|
|
dirname = get_dirname(to_name); /* Overwrites to_name */
|
|
set_last_open_dir(dirname);
|
|
g_free(to_name);
|
|
}
|
|
|
|
static void
|
|
follow_save_as_destroy_cb(GtkWidget * win _U_, gpointer data)
|
|
{
|
|
follow_info_t *follow_info = data;
|
|
|
|
/* Note that we no longer have a dialog box. */
|
|
follow_info->follow_save_as_w = NULL;
|
|
}
|