2000-08-03 12:44:40 +00:00
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/* follow_dlg.c
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*
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2001-12-12 21:39:01 +00:00
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* $Id: follow_dlg.c,v 1.15 2001/12/12 21:38:58 gerald Exp $
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2000-08-03 12:44:40 +00:00
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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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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*/
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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 <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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2000-08-11 13:37:21 +00:00
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#ifdef HAVE_SYS_TYPES_H
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2000-08-03 12:44:40 +00:00
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#include <sys/types.h>
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2000-08-11 13:37:21 +00:00
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#endif
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#ifdef HAVE_SYS_STAT_H
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2000-08-03 12:44:40 +00:00
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#include <sys/stat.h>
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2000-08-11 13:37:21 +00:00
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#endif
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2000-08-03 12:44:40 +00:00
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#ifdef HAVE_IO_H
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2000-08-09 05:18:45 +00:00
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#include <io.h> /* open/close on win32 */
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#endif
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2000-09-12 06:28:02 +00:00
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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2000-08-09 05:18:45 +00:00
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#ifdef NEED_SNPRINTF_H
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# include "snprintf.h"
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2000-08-03 12:44:40 +00:00
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#endif
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2000-11-21 23:54:10 +00:00
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#include "color.h"
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#include "color_utils.h"
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2000-08-03 12:44:40 +00:00
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#include "file.h"
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#include "follow_dlg.h"
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#include "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 "gtkglobals.h"
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#include "main.h"
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#include "simple_dialog.h"
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2000-08-11 22:18:22 +00:00
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#include "packet-ipv6.h"
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2000-08-03 12:44:40 +00:00
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#include "prefs.h"
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2000-08-09 05:18:45 +00:00
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#include "resolv.h"
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2000-08-03 12:44:40 +00:00
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#include "util.h"
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#include "ui_util.h"
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2000-08-09 05:18:45 +00:00
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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_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 *follow_save_as_w;
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2000-08-11 22:18:22 +00:00
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gboolean is_ipv6;
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2000-08-09 05:18:45 +00:00
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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_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, GtkFileSelection * 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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FILE *data_out_file = NULL;
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#define E_FOLLOW_INFO_KEY "follow_info_key"
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2000-08-03 12:44:40 +00:00
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2000-09-08 10:59:21 +00:00
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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)
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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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2000-08-03 12:44:40 +00:00
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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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2000-08-09 05:18:45 +00:00
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follow_stream_cb(GtkWidget * w, gpointer data)
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2000-08-03 12:44:40 +00:00
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{
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2000-08-17 07:56:44 +00:00
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GtkWidget *streamwindow, *vbox, *txt_scrollw, *text, *filter_te;
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2000-08-09 05:18:45 +00:00
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GtkWidget *hbox, *button, *radio_bt;
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GtkWidget *stream_om, *stream_menu, *stream_mi;
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int tmp_fd;
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gchar *follow_filter;
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2001-04-02 09:41:56 +00:00
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const char *hostname0, *hostname1;
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2000-08-09 05:18:45 +00:00
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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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2001-11-21 23:16:26 +00:00
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if (cfile.edt->pi.ipproto != 6) {
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2000-08-09 05:18:45 +00:00
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simple_dialog(ESD_TYPE_CRIT, NULL,
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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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2000-08-03 12:44:40 +00:00
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2000-08-09 05:18:45 +00:00
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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_WARN, NULL,
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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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2000-08-03 12:44:40 +00:00
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2000-08-09 05:18:45 +00:00
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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_WARN, NULL,
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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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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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2000-08-03 12:44:40 +00:00
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2000-08-09 05:18:45 +00:00
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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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2001-11-21 23:16:26 +00:00
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follow_filter = build_follow_filter(&cfile.edt->pi);
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2000-08-03 12:44:40 +00:00
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2000-08-09 05:18:45 +00:00
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/* Set the display filter entry accordingly */
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filter_te = gtk_object_get_data(GTK_OBJECT(w), E_DFILTER_TE_KEY);
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gtk_entry_set_text(GTK_ENTRY(filter_te), follow_filter);
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2000-08-03 12:44:40 +00:00
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2000-08-09 05:18:45 +00:00
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/* Run the display filter so it goes in effect. */
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filter_packets(&cfile, follow_filter);
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2000-08-03 12:44:40 +00:00
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2000-08-09 05:18:45 +00:00
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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 = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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gtk_widget_set_name(streamwindow, "TCP stream window");
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gtk_signal_connect(GTK_OBJECT(streamwindow), "destroy",
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GTK_SIGNAL_FUNC(follow_destroy_cb), NULL);
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2001-12-12 21:39:01 +00:00
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gtk_signal_connect (GTK_OBJECT (streamwindow), "realize",
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GTK_SIGNAL_FUNC (window_icon_realize_cb), NULL);
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2000-08-09 05:18:45 +00:00
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if (incomplete_tcp_stream) {
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gtk_window_set_title(GTK_WINDOW(streamwindow),
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"Contents of TCP stream (incomplete)");
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} else {
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gtk_window_set_title(GTK_WINDOW(streamwindow),
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"Contents of TCP stream");
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}
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gtk_widget_set_usize(GTK_WIDGET(streamwindow), DEF_WIDTH,
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DEF_HEIGHT);
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gtk_container_border_width(GTK_CONTAINER(streamwindow), 2);
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/* setup the container */
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vbox = gtk_vbox_new(FALSE, 0);
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gtk_container_add(GTK_CONTAINER(streamwindow), vbox);
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/* create a scrolled window for the text */
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txt_scrollw = gtk_scrolled_window_new(NULL, NULL);
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gtk_box_pack_start(GTK_BOX(vbox), txt_scrollw, TRUE, TRUE, 0);
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gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(txt_scrollw),
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GTK_POLICY_NEVER,
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GTK_POLICY_ALWAYS);
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set_scrollbar_placement_scrollw(txt_scrollw,
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prefs.gui_scrollbar_on_right);
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remember_scrolled_window(txt_scrollw);
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/* create a text box */
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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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gtk_container_add(GTK_CONTAINER(txt_scrollw), text);
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follow_info->text = text;
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/* Create hbox */
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hbox = gtk_hbox_new(FALSE, 1);
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gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
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/* Stream to show */
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follow_tcp_stats(&stats);
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2000-08-11 22:18:22 +00:00
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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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2000-08-09 05:18:45 +00:00
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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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2000-08-11 22:18:22 +00:00
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follow_info->is_ipv6 = stats.is_ipv6;
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2000-08-09 05:18:45 +00:00
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stream_om = gtk_option_menu_new();
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stream_menu = gtk_menu_new();
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/* Both Hosts */
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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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gtk_signal_connect(GTK_OBJECT(stream_mi), "activate",
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GTK_SIGNAL_FUNC(follow_stream_om_both), 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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2000-08-09 05:26:11 +00:00
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follow_info->show_stream = BOTH_HOSTS;
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2000-08-09 05:18:45 +00:00
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/* Host 0 --> Host 1 */
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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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gtk_signal_connect(GTK_OBJECT(stream_mi), "activate",
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GTK_SIGNAL_FUNC(follow_stream_om_client), 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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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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gtk_signal_connect(GTK_OBJECT(stream_mi), "activate",
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GTK_SIGNAL_FUNC(follow_stream_om_server), follow_info);
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|
|
gtk_menu_append(GTK_MENU(stream_menu), stream_mi);
|
|
|
|
gtk_widget_show(stream_mi);
|
|
|
|
|
|
|
|
gtk_option_menu_set_menu(GTK_OPTION_MENU(stream_om), stream_menu);
|
|
|
|
/* Set history to 0th item, i.e., the first item. */
|
|
|
|
gtk_option_menu_set_history(GTK_OPTION_MENU(stream_om), 0);
|
|
|
|
gtk_box_pack_start(GTK_BOX(hbox), stream_om, FALSE, FALSE, 0);
|
|
|
|
|
|
|
|
/* ASCII radio button */
|
|
|
|
radio_bt = gtk_radio_button_new_with_label(NULL, "ASCII");
|
|
|
|
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(radio_bt), TRUE);
|
|
|
|
gtk_box_pack_start(GTK_BOX(hbox), radio_bt, FALSE, FALSE, 0);
|
|
|
|
gtk_signal_connect(GTK_OBJECT(radio_bt), "toggled",
|
|
|
|
GTK_SIGNAL_FUNC(follow_charset_toggle_cb),
|
|
|
|
follow_info);
|
|
|
|
follow_info->ascii_bt = radio_bt;
|
|
|
|
follow_info->show_type = SHOW_ASCII;
|
|
|
|
|
|
|
|
/* EBCDIC radio button */
|
|
|
|
radio_bt = gtk_radio_button_new_with_label(gtk_radio_button_group
|
|
|
|
(GTK_RADIO_BUTTON(radio_bt)),
|
|
|
|
"EBCDIC");
|
|
|
|
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(radio_bt), FALSE);
|
|
|
|
gtk_box_pack_start(GTK_BOX(hbox), radio_bt, FALSE, FALSE, 0);
|
|
|
|
gtk_signal_connect(GTK_OBJECT(radio_bt), "toggled",
|
|
|
|
GTK_SIGNAL_FUNC(follow_charset_toggle_cb),
|
|
|
|
follow_info);
|
|
|
|
follow_info->ebcdic_bt = radio_bt;
|
|
|
|
|
|
|
|
/* HEX DUMP radio button */
|
|
|
|
radio_bt = gtk_radio_button_new_with_label(gtk_radio_button_group
|
|
|
|
(GTK_RADIO_BUTTON(radio_bt)),
|
|
|
|
"Hex Dump");
|
|
|
|
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(radio_bt), FALSE);
|
|
|
|
gtk_box_pack_start(GTK_BOX(hbox), radio_bt, FALSE, FALSE, 0);
|
|
|
|
gtk_signal_connect(GTK_OBJECT(radio_bt), "toggled",
|
|
|
|
GTK_SIGNAL_FUNC(follow_charset_toggle_cb),
|
|
|
|
follow_info);
|
|
|
|
follow_info->hexdump_bt = radio_bt;
|
|
|
|
|
|
|
|
/* Create Close Button */
|
|
|
|
button = gtk_button_new_with_label("Close");
|
|
|
|
gtk_signal_connect_object(GTK_OBJECT(button), "clicked",
|
|
|
|
GTK_SIGNAL_FUNC(gtk_widget_destroy),
|
|
|
|
GTK_OBJECT(streamwindow));
|
|
|
|
gtk_box_pack_end(GTK_BOX(hbox), button, FALSE, FALSE, 0);
|
|
|
|
|
|
|
|
/* Catch the "key_press_event" signal in the window, so that we can catch
|
|
|
|
the ESC key being pressed and act as if the "Cancel" button had
|
|
|
|
been selected. */
|
|
|
|
dlg_set_cancel(streamwindow, button);
|
|
|
|
|
|
|
|
/* Create Save As Button */
|
|
|
|
button = gtk_button_new_with_label("Save As");
|
|
|
|
gtk_signal_connect(GTK_OBJECT(button), "clicked",
|
|
|
|
GTK_SIGNAL_FUNC(follow_save_as_cmd_cb),
|
|
|
|
follow_info);
|
|
|
|
gtk_box_pack_end(GTK_BOX(hbox), button, FALSE, FALSE, 0);
|
|
|
|
|
|
|
|
/* Create Print Button */
|
|
|
|
button = gtk_button_new_with_label("Print");
|
|
|
|
gtk_signal_connect(GTK_OBJECT(button), "clicked",
|
|
|
|
GTK_SIGNAL_FUNC(follow_print_stream), follow_info);
|
|
|
|
gtk_box_pack_end(GTK_BOX(hbox), button, FALSE, FALSE, 0);
|
|
|
|
|
|
|
|
|
|
|
|
/* Tuck away the follow_info object into the window */
|
|
|
|
gtk_object_set_data(GTK_OBJECT(streamwindow), E_FOLLOW_INFO_KEY,
|
|
|
|
follow_info);
|
|
|
|
|
|
|
|
follow_load_text(follow_info);
|
2000-09-08 10:59:21 +00:00
|
|
|
remember_follow_info(follow_info);
|
2000-08-09 05:18:45 +00:00
|
|
|
|
|
|
|
data_out_file = 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);
|
2000-08-03 12:44:40 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* The destroy call back has the responsibility of
|
|
|
|
* unlinking the temporary file */
|
|
|
|
static void
|
2000-08-09 05:18:45 +00:00
|
|
|
follow_destroy_cb(GtkWidget *w, gpointer data)
|
|
|
|
{
|
|
|
|
follow_info_t *follow_info;
|
|
|
|
|
|
|
|
follow_info = gtk_object_get_data(GTK_OBJECT(w), E_FOLLOW_INFO_KEY);
|
|
|
|
unlink(follow_info->data_out_filename);
|
|
|
|
gtk_widget_destroy(w);
|
2000-09-08 10:59:21 +00:00
|
|
|
forget_follow_info(follow_info);
|
2000-08-09 05:18:45 +00:00
|
|
|
g_free(follow_info);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* XXX - can I emulate follow_charset_toggle_cb() instead of having
|
|
|
|
* 3 different functions here? */
|
|
|
|
static void
|
|
|
|
follow_stream_om_both(GtkWidget *w, 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, 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, gpointer data)
|
2000-08-03 12:44:40 +00:00
|
|
|
{
|
2000-08-09 05:18:45 +00:00
|
|
|
follow_info_t *follow_info = data;
|
|
|
|
follow_info->show_stream = FROM_SERVER;
|
|
|
|
follow_load_text(follow_info);
|
2000-08-03 12:44:40 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Handles the ASCII/EBCDIC toggling */
|
|
|
|
static void
|
2000-08-09 05:18:45 +00:00
|
|
|
follow_charset_toggle_cb(GtkWidget * w, gpointer data)
|
2000-08-03 12:44:40 +00:00
|
|
|
{
|
2000-08-09 05:18:45 +00:00
|
|
|
follow_info_t *follow_info = data;
|
|
|
|
|
|
|
|
if (GTK_TOGGLE_BUTTON(follow_info->ebcdic_bt)->active)
|
|
|
|
follow_info->show_type = SHOW_EBCDIC;
|
|
|
|
else if (GTK_TOGGLE_BUTTON(follow_info->hexdump_bt)->active)
|
|
|
|
follow_info->show_type = SHOW_HEXDUMP;
|
|
|
|
else if (GTK_TOGGLE_BUTTON(follow_info->ascii_bt)->active)
|
|
|
|
follow_info->show_type = SHOW_ASCII;
|
|
|
|
else
|
|
|
|
g_assert_not_reached();
|
|
|
|
|
|
|
|
follow_load_text(follow_info);
|
2000-08-03 12:44:40 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#define FLT_BUF_SIZE 1024
|
|
|
|
static void
|
2000-08-09 05:18:45 +00:00
|
|
|
follow_read_stream(follow_info_t *follow_info,
|
|
|
|
void (*print_line) (char *, int, gboolean, void *),
|
|
|
|
void *arg)
|
2000-08-03 12:44:40 +00:00
|
|
|
{
|
2000-08-09 05:18:45 +00:00
|
|
|
tcp_stream_chunk sc;
|
2000-08-11 22:18:22 +00:00
|
|
|
int bcount, iplen;
|
|
|
|
guint8 client_addr[MAX_IPADDR_LEN];
|
2000-08-09 05:18:45 +00:00
|
|
|
guint16 client_port = 0;
|
|
|
|
gboolean is_server;
|
|
|
|
guint16 current_pos, global_client_pos = 0, global_server_pos = 0;
|
|
|
|
guint16 *global_pos;
|
|
|
|
gboolean skip;
|
|
|
|
|
2000-08-11 22:18:22 +00:00
|
|
|
iplen = (follow_info->is_ipv6) ? 16 : 4;
|
|
|
|
|
2000-08-09 05:18:45 +00:00
|
|
|
data_out_file = fopen(follow_info->data_out_filename, "rb");
|
|
|
|
if (data_out_file) {
|
|
|
|
char buffer[FLT_BUF_SIZE];
|
|
|
|
int nchars;
|
|
|
|
while (fread(&sc, 1, sizeof(sc), data_out_file)) {
|
2000-08-11 22:18:22 +00:00
|
|
|
if (client_port == 0) {
|
|
|
|
memcpy(client_addr, sc.src_addr, iplen);
|
2000-08-09 05:18:45 +00:00
|
|
|
client_port = sc.src_port;
|
|
|
|
}
|
|
|
|
skip = FALSE;
|
2000-08-11 22:18:22 +00:00
|
|
|
if (memcmp(client_addr, sc.src_addr, iplen) == 0 &&
|
|
|
|
client_port == sc.src_port) {
|
2000-08-09 05:18:45 +00:00
|
|
|
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 -= bcount;
|
|
|
|
if (!skip) {
|
|
|
|
switch (follow_info->show_type) {
|
|
|
|
case SHOW_EBCDIC:
|
|
|
|
/* If our native arch is ASCII, call: */
|
|
|
|
EBCDIC_to_ASCII(buffer, nchars);
|
|
|
|
(*print_line) (buffer, nchars, is_server, arg);
|
|
|
|
break;
|
|
|
|
case SHOW_ASCII:
|
|
|
|
/* If our native arch is EBCDIC, call:
|
|
|
|
* ASCII_TO_EBCDIC(buffer, nchars);
|
|
|
|
*/
|
|
|
|
(*print_line) (buffer, nchars, is_server, arg);
|
|
|
|
break;
|
|
|
|
case SHOW_HEXDUMP:
|
|
|
|
current_pos = 0;
|
|
|
|
while (current_pos < nchars) {
|
|
|
|
gchar hexbuf[256];
|
|
|
|
gchar hexchars[] = "0123456789abcdef";
|
|
|
|
int i, cur;
|
|
|
|
/* is_server indentation : put 63 spaces at the begenning
|
|
|
|
* of the string */
|
2000-08-21 13:04:05 +00:00
|
|
|
sprintf(hexbuf, (is_server &&
|
|
|
|
follow_info->show_stream == BOTH_HOSTS) ?
|
2000-08-09 05:18:45 +00:00
|
|
|
" "
|
|
|
|
" %08X " :
|
|
|
|
"%08X ", *global_pos);
|
|
|
|
cur = strlen(hexbuf);
|
|
|
|
for (i = 0; i < 16 && current_pos + i < nchars;
|
|
|
|
i++) {
|
|
|
|
hexbuf[cur++] =
|
|
|
|
hexchars[(buffer[current_pos + i] & 0xf0)
|
|
|
|
>> 4];
|
|
|
|
hexbuf[cur++] =
|
|
|
|
hexchars[buffer[current_pos + i] & 0x0f];
|
|
|
|
if (i == 7) {
|
|
|
|
hexbuf[cur++] = ' ';
|
|
|
|
hexbuf[cur++] = ' ';
|
|
|
|
} else if (i != 15)
|
|
|
|
hexbuf[cur++] = ' ';
|
|
|
|
}
|
|
|
|
current_pos += i;
|
|
|
|
(*global_pos) += i;
|
|
|
|
hexbuf[cur++] = '\n';
|
|
|
|
hexbuf[cur] = 0;
|
|
|
|
(*print_line) (hexbuf, strlen(hexbuf), is_server, arg);
|
|
|
|
}
|
|
|
|
break;
|
2000-08-03 12:44:40 +00:00
|
|
|
}
|
|
|
|
}
|
2000-08-09 05:18:45 +00:00
|
|
|
}
|
2000-08-03 12:44:40 +00:00
|
|
|
}
|
2000-08-09 05:18:45 +00:00
|
|
|
if (ferror(data_out_file)) {
|
|
|
|
simple_dialog(ESD_TYPE_WARN, NULL,
|
|
|
|
"Error reading temporary file %s: %s", follow_info->data_out_filename,
|
|
|
|
strerror(errno));
|
|
|
|
}
|
|
|
|
fclose(data_out_file);
|
|
|
|
data_out_file = NULL;
|
|
|
|
} else {
|
|
|
|
simple_dialog(ESD_TYPE_WARN, NULL,
|
|
|
|
"Could not open temporary file %s: %s", follow_info->data_out_filename,
|
|
|
|
strerror(errno));
|
2000-08-03 12:44:40 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* XXX - for text printing, we probably want to wrap lines at 80 characters;
|
|
|
|
* for PostScript printing, we probably want to wrap them at the appropriate
|
|
|
|
* width, 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.
|
|
|
|
*
|
|
|
|
* For now, we support only text printing.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
follow_print_text(char *buffer, int nchars, gboolean is_server, void *arg)
|
|
|
|
{
|
2000-08-09 05:18:45 +00:00
|
|
|
FILE *fh = arg;
|
2000-08-03 12:44:40 +00:00
|
|
|
|
2000-08-09 05:18:45 +00:00
|
|
|
fwrite(buffer, nchars, 1, fh);
|
2000-08-03 12:44:40 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2000-08-09 05:18:45 +00:00
|
|
|
follow_print_stream(GtkWidget * w, gpointer data)
|
2000-08-03 12:44:40 +00:00
|
|
|
{
|
2000-08-09 05:18:45 +00:00
|
|
|
FILE *fh;
|
|
|
|
gboolean to_file;
|
|
|
|
char *print_dest;
|
|
|
|
follow_info_t *follow_info = data;
|
|
|
|
|
|
|
|
switch (prefs.pr_dest) {
|
|
|
|
case PR_DEST_CMD:
|
|
|
|
print_dest = prefs.pr_cmd;
|
|
|
|
to_file = FALSE;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case PR_DEST_FILE:
|
|
|
|
print_dest = prefs.pr_file;
|
|
|
|
to_file = TRUE;
|
|
|
|
break;
|
|
|
|
default: /* "Can't happen" */
|
|
|
|
simple_dialog(ESD_TYPE_CRIT, NULL,
|
|
|
|
"Couldn't figure out where to send the print "
|
|
|
|
"job. Check your preferences.");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
fh = open_print_dest(to_file, print_dest);
|
|
|
|
if (fh == NULL) {
|
|
|
|
switch (to_file) {
|
|
|
|
case FALSE:
|
|
|
|
simple_dialog(ESD_TYPE_WARN, NULL,
|
|
|
|
"Couldn't run print command %s.", prefs.pr_cmd);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case TRUE:
|
|
|
|
simple_dialog(ESD_TYPE_WARN, NULL,
|
|
|
|
file_write_error_message(errno), prefs.pr_file);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
print_preamble(fh, PR_FMT_TEXT);
|
|
|
|
follow_read_stream(follow_info, follow_print_text, fh);
|
|
|
|
print_finale(fh, PR_FMT_TEXT);
|
|
|
|
close_print_dest(to_file, fh);
|
2000-08-03 12:44:40 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2000-08-09 05:18:45 +00:00
|
|
|
follow_add_to_gtk_text(char *buffer, int nchars, gboolean is_server,
|
|
|
|
void *arg)
|
2000-08-03 12:44:40 +00:00
|
|
|
{
|
2000-08-09 05:18:45 +00:00
|
|
|
GtkWidget *text = arg;
|
2000-11-21 23:54:10 +00:00
|
|
|
GdkColor fg, bg;
|
2000-08-09 05:18:45 +00:00
|
|
|
|
2001-04-10 12:07:40 +00:00
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#ifdef _WIN32
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/* While our isprint() hack is in place, we
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* have to use convert some chars to '.' in order
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* to be able to see the data we *should* see
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* in the GtkText widget.
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*/
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int i;
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for (i = 0; i < nchars; i++) {
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if (buffer[i] == 0x0a || buffer[i] == 0x0d) {
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continue;
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}
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else if (! isprint(buffer[i])) {
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buffer[i] = '.';
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}
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}
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#endif
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2000-11-21 23:54:10 +00:00
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if (is_server) {
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color_t_to_gdkcolor(&fg, &prefs.st_server_fg);
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color_t_to_gdkcolor(&bg, &prefs.st_server_bg);
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} else {
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color_t_to_gdkcolor(&fg, &prefs.st_client_fg);
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color_t_to_gdkcolor(&bg, &prefs.st_client_bg);
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}
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gtk_text_insert(GTK_TEXT(text), m_r_font, &fg, &bg, buffer, nchars);
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2000-08-03 12:44:40 +00:00
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}
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static void
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2000-08-09 05:18:45 +00:00
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follow_load_text(follow_info_t *follow_info)
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2000-08-03 12:44:40 +00:00
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{
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2000-08-09 05:18:45 +00:00
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int bytes_already;
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/* Delete any info already in text box */
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bytes_already = gtk_text_get_length(GTK_TEXT(follow_info->text));
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if (bytes_already > 0) {
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gtk_text_set_point(GTK_TEXT(follow_info->text), 0);
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gtk_text_forward_delete(GTK_TEXT(follow_info->text), bytes_already);
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}
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/* stop the updates while we fill the text box */
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gtk_text_freeze(GTK_TEXT(follow_info->text));
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follow_read_stream(follow_info, follow_add_to_gtk_text, follow_info->text);
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gtk_text_thaw(GTK_TEXT(follow_info->text));
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2000-08-03 12:44:40 +00:00
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}
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2000-08-09 05:18:45 +00:00
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2000-08-03 12:44:40 +00:00
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/*
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* Keep a static pointer to the current "Save TCP Follow Stream As" window, if
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* any, so that if somebody tries to do "Save"
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* while there's already a "Save TCP Follow Stream" window up, we just pop
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* up the existing one, rather than creating a new one.
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*/
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static void
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follow_save_as_cmd_cb(GtkWidget *w, gpointer data)
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{
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2000-08-09 05:18:45 +00:00
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GtkWidget *ok_bt, *new_win;
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follow_info_t *follow_info = data;
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if (follow_info->follow_save_as_w != NULL) {
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/* There's already a dialog box; reactivate it. */
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reactivate_window(follow_info->follow_save_as_w);
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return;
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}
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new_win = gtk_file_selection_new("Ethereal: Save TCP Follow Stream As");
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follow_info->follow_save_as_w = new_win;
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gtk_signal_connect(GTK_OBJECT(new_win), "destroy",
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GTK_SIGNAL_FUNC(follow_save_as_destroy_cb), follow_info);
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/* Tuck away the follow_info object into the window */
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gtk_object_set_data(GTK_OBJECT(new_win), E_FOLLOW_INFO_KEY,
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follow_info);
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/* If we've opened a file, start out by showing the files in the directory
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in which that file resided. */
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if (last_open_dir)
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gtk_file_selection_complete(GTK_FILE_SELECTION(new_win),
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last_open_dir);
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/* Connect the ok_button to file_save_as_ok_cb function and pass along a
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pointer to the file selection box widget */
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ok_bt = GTK_FILE_SELECTION(new_win)->ok_button;
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gtk_signal_connect(GTK_OBJECT(ok_bt), "clicked",
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(GtkSignalFunc) follow_save_as_ok_cb,
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new_win);
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/* Connect the cancel_button to destroy the widget */
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gtk_signal_connect_object(GTK_OBJECT(GTK_FILE_SELECTION
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(new_win)->cancel_button),
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"clicked",
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(GtkSignalFunc) gtk_widget_destroy,
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GTK_OBJECT(new_win));
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/* Catch the "key_press_event" signal in the window, so that we can catch
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the ESC key being pressed and act as if the "Cancel" button had
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been selected. */
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dlg_set_cancel(new_win,
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GTK_FILE_SELECTION(new_win)->cancel_button);
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gtk_file_selection_set_filename(GTK_FILE_SELECTION(new_win), "");
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gtk_widget_show_all(new_win);
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2000-08-03 12:44:40 +00:00
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}
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2000-08-09 05:18:45 +00:00
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2000-08-03 12:44:40 +00:00
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static void
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2000-08-09 05:18:45 +00:00
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follow_save_as_ok_cb(GtkWidget * w, GtkFileSelection * fs)
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2000-08-03 12:44:40 +00:00
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{
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2000-08-09 05:18:45 +00:00
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gchar *to_name;
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follow_info_t *follow_info;
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FILE *fh;
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2000-08-03 12:44:40 +00:00
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2000-08-09 05:18:45 +00:00
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to_name = g_strdup(gtk_file_selection_get_filename(GTK_FILE_SELECTION(fs)));
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2000-08-03 12:44:40 +00:00
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2000-08-09 05:18:45 +00:00
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gtk_widget_hide(GTK_WIDGET(fs));
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follow_info = gtk_object_get_data(GTK_OBJECT(fs), E_FOLLOW_INFO_KEY);
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gtk_widget_destroy(GTK_WIDGET(fs));
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2000-08-03 12:44:40 +00:00
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2000-08-09 05:18:45 +00:00
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fh = fopen(to_name, "wb");
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if (fh == NULL) {
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simple_dialog(ESD_TYPE_WARN, NULL,
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file_write_error_message(errno), to_name);
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return;
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}
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follow_read_stream(follow_info, follow_print_text, fh);
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fclose(fh);
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g_free(to_name);
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2000-08-03 12:44:40 +00:00
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}
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static void
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2000-08-09 05:18:45 +00:00
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follow_save_as_destroy_cb(GtkWidget * win, gpointer data)
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2000-08-03 12:44:40 +00:00
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{
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2000-08-09 05:18:45 +00:00
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follow_info_t *follow_info = data;
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/* Note that we no longer have a dialog box. */
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follow_info->follow_save_as_w = NULL;
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2000-08-03 12:44:40 +00:00
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}
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