wireshark/gtk/main.c

1386 lines
43 KiB
C

/* main.c
*
* $Id: main.c,v 1.57 1999/11/30 20:50:15 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
* Copyright 1998 Gerald Combs
*
* Richard Sharpe, 13-Feb-1999, added support for initializing structures
* needed by dissect routines
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*
* To do:
* - Graphs
* - Check for end of packet in dissect_* routines.
* - Playback window
* - Multiple window support
* - Add cut/copy/paste
* - Create header parsing routines
* - Make byte view scrollbars automatic?
* - Make byte view selections more fancy?
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gtk/gtk.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_DIRECT_H
#include <direct.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#include <signal.h>
#ifdef NEED_SNPRINTF_H
# ifdef HAVE_STDARG_H
# include <stdarg.h>
# else
# include <varargs.h>
# endif
# include "snprintf.h"
#endif
#if defined(HAVE_UCD_SNMP_SNMP_H)
#ifdef HAVE_UCD_SNMP_VERSION_H
#include <ucd-snmp/version.h>
#endif /* HAVE_UCD_SNMP_VERSION_H */
#elif defined(HAVE_SNMP_SNMP_H)
#ifdef HAVE_SNMP_VERSION_H
#include <snmp/version.h>
#endif /* HAVE_SNMP_VERSION_H */
#endif /* SNMP */
#ifdef NEED_STRERROR_H
#include "strerror.h"
#endif
#include "main.h"
#include "timestamp.h"
#include "packet.h"
#include "capture.h"
#include "summary.h"
#include "file.h"
#include "menu.h"
#include "prefs_dlg.h"
#include "column.h"
#include "print.h"
#include "resolv.h"
#include "follow.h"
#include "util.h"
#include "proto_draw.h"
#include "dfilter.h"
#include "keys.h"
FILE *data_out_file = NULL;
packet_info pi;
capture_file cf;
GtkWidget *file_sel, *packet_list, *tree_view, *byte_view, *prog_bar,
*info_bar;
GdkFont *m_r_font, *m_b_font;
guint main_ctx, file_ctx;
gchar comp_info_str[256];
gchar *ethereal_path = NULL;
gchar *medium_font = MONO_MEDIUM_FONT;
gchar *bold_font = MONO_BOLD_FONT;
gchar *last_open_dir = NULL;
ts_type timestamp_type = RELATIVE;
GtkStyle *item_style;
/* Specifies the field currently selected in the GUI protocol tree */
field_info *finfo_selected = NULL;
static void follow_destroy_cb(GtkWidget *win, gpointer data);
static void follow_charset_toggle_cb(GtkWidget *w, gpointer parent_w);
static void follow_load_text(GtkWidget *text, char *filename, gboolean show_ascii);
static void follow_print_stream(GtkWidget *w, gpointer parent_w);
static char* hfinfo_numeric_format(header_field_info *hfinfo);
/* About Ethereal window */
void
about_ethereal( GtkWidget *w, gpointer data ) {
simple_dialog(ESD_TYPE_INFO, NULL,
"GNU Ethereal - network protocol analyzer\n"
"Version %s (C) 1998-1999 Gerald Combs <gerald@zing.org>\n"
"Compiled with %s\n\n"
"Contributors:\n"
"Gilbert Ramirez <gramirez@tivoli.com>\n"
"Hannes R. Boehm <hannes@boehm.org>\n"
"Mike Hall <mlh@io.com>\n"
"Bobo Rajec <bobo@bsp-consulting.sk>\n"
"Laurent Deniel <deniel@worldnet.fr>\n"
"Don Lafontaine <lafont02@cn.ca>\n"
"Guy Harris <guy@alum.mit.edu>\n"
"Simon Wilkinson <sxw@dcs.ed.ac.uk>\n"
"Joerg Mayer <jmayer@telemation.de>\n"
"Martin Maciaszek <fastjack@i-s-o.net>\n"
"Didier Jorand <Didier.Jorand@alcatel.fr>\n"
"Jun-ichiro itojun Hagino <itojun@iijlab.net>\n"
"Richard Sharpe <sharpe@ns.aus.com>\n"
"John McDermott <jjm@jkintl.com>\n"
"Jeff Jahr <jjahr@shastanets.com>\n"
"Brad Robel-Forrest <bradr@watchguard.com>\n"
"Ashok Narayanan <ashokn@cisco.com>\n"
"Aaron Hillegass <aaron@classmax.com>\n"
"Jason Lango <jal@netapp.com>\n"
"Johan Feyaerts <Johan.Feyaerts@siemens.atea.be>\n"
"Olivier Abad <abad@daba.dhis.net>\n"
"Thierry Andry <Thierry.Andry@advalvas.be>\n"
"Jeff Foster <jfoste@woodward.com>\n"
"Peter Torvals <petertv@xoommail.com>\n"
"Christophe Tronche <ch.tronche@computer.org>\n"
"Nathan Neulinger <nneul@umr.edu>\n"
"Tomislav Vujec <tvujec@carnet.hr>\n"
"Kojak <kojak@bigwig.net>\n"
"Uwe Girlich <Uwe.Girlich@philosys.de>\n"
"Warren Young <tangent@mail.com>\n"
"Heikki Vatiainen <hessu@cs.tut.fi>\n"
"Greg Hankins <gregh@twoguys.org>\n"
"\nSee http://ethereal.zing.org for more information",
VERSION, comp_info_str);
}
/* Follow the TCP stream, if any, to which the last packet that we called
a dissection routine on belongs (this might be the most recently
selected packet, or it might be the last packet in the file). */
void
follow_stream_cb( GtkWidget *w, gpointer data ) {
char filename1[128+1];
GtkWidget *streamwindow, *box, *text, *vscrollbar, *table,
*filter_te;
GtkWidget *hbox, *close_bt, *print_bt, *button;
int tmp_fd;
gchar *follow_filter;
if( pi.ipproto == 6 ) {
/* we got tcp so we can follow */
/* Create a temporary file into which to dump the reassembled data
from the TCP stream, and set "data_out_file" to refer to it, so
that the TCP code will write to it.
XXX - it might be nicer to just have the TCP code directly
append stuff to the text widget for the TCP stream window,
if we can arrange that said window not pop up until we're
done. */
tmp_fd = create_tempfile( filename1, sizeof filename1, "follow");
if (tmp_fd == -1) {
simple_dialog(ESD_TYPE_WARN, NULL,
"Could not create temporary file %s: %s", filename1, strerror(errno));
return;
}
data_out_file = fdopen( tmp_fd, "w" );
if( data_out_file == NULL ) {
simple_dialog(ESD_TYPE_WARN, NULL,
"Could not create temporary file %s: %s", filename1, strerror(errno));
close(tmp_fd);
unlink(filename1);
return;
}
/* Create a new filter that matches all packets in the TCP stream,
and set the display filter entry accordingly */
reset_tcp_reassembly();
follow_filter = build_follow_filter( &pi );
/* set the display filter entry accordingly */
filter_te = gtk_object_get_data(GTK_OBJECT(w), E_DFILTER_TE_KEY);
gtk_entry_set_text(GTK_ENTRY(filter_te), follow_filter);
/* Run the display filter so it goes in effect. */
filter_packets(&cf, follow_filter);
/* the data_out_file should now be full of the streams information */
fclose( data_out_file );
/* the filename1 file now has all the text that was in the session */
streamwindow = gtk_window_new( GTK_WINDOW_TOPLEVEL);
gtk_widget_set_name( streamwindow, "TCP stream window" );
gtk_signal_connect( GTK_OBJECT(streamwindow), "delete_event",
GTK_SIGNAL_FUNC(follow_destroy_cb), NULL);
gtk_signal_connect( GTK_OBJECT(streamwindow), "destroy",
GTK_SIGNAL_FUNC(follow_destroy_cb), NULL);
if( incomplete_tcp_stream ) {
gtk_window_set_title( GTK_WINDOW(streamwindow),
"Contents of TCP stream (incomplete)" );
} else {
gtk_window_set_title( GTK_WINDOW(streamwindow),
"Contents of TCP stream" );
}
gtk_widget_set_usize( GTK_WIDGET(streamwindow), DEF_WIDTH, DEF_HEIGHT );
gtk_container_border_width( GTK_CONTAINER(streamwindow), 2 );
/* setup the container */
box = gtk_vbox_new( FALSE, 0 );
gtk_container_add( GTK_CONTAINER(streamwindow), box );
gtk_widget_show( box );
/* set up the table we attach to */
table = gtk_table_new( 1, 2, FALSE );
gtk_table_set_col_spacing( GTK_TABLE(table), 0, 2);
gtk_box_pack_start( GTK_BOX(box), table, TRUE, TRUE, 0 );
gtk_widget_show( table );
/* create a text box */
text = gtk_text_new( NULL, NULL );
gtk_text_set_editable( GTK_TEXT(text), FALSE);
gtk_table_attach( GTK_TABLE(table), text, 0, 1, 0, 1,
GTK_EXPAND | GTK_SHRINK | GTK_FILL,
GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0 );
gtk_widget_show(text);
/* Create hbox */
hbox = gtk_hbox_new( FALSE, 1 );
gtk_box_pack_end( GTK_BOX(box), hbox, FALSE, FALSE, 0);
gtk_widget_show(hbox);
#define E_FOLLOW_ASCII_KEY "follow_ascii_key"
/* Create Radio Buttons */
button = gtk_radio_button_new_with_label(NULL, "ASCII");
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
gtk_object_set_data(GTK_OBJECT(streamwindow), E_FOLLOW_ASCII_KEY, button);
gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
gtk_signal_connect(GTK_OBJECT(button), "toggled",
GTK_SIGNAL_FUNC(follow_charset_toggle_cb),
GTK_OBJECT(streamwindow));
gtk_widget_show(button);
button = gtk_radio_button_new_with_label(
gtk_radio_button_group(GTK_RADIO_BUTTON(button)),
"EBCDIC");
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), FALSE);
gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
gtk_widget_show(button);
/* Create Close Button */
close_bt = gtk_button_new_with_label("Close");
gtk_signal_connect_object(GTK_OBJECT(close_bt), "clicked",
GTK_SIGNAL_FUNC(gtk_widget_destroy),
GTK_OBJECT(streamwindow));
gtk_box_pack_end( GTK_BOX(hbox), close_bt, FALSE, FALSE, 0);
gtk_widget_show( close_bt );
/* Create Print Button */
print_bt = gtk_button_new_with_label("Print");
gtk_signal_connect(GTK_OBJECT(print_bt), "clicked",
GTK_SIGNAL_FUNC(follow_print_stream),
GTK_OBJECT(streamwindow));
gtk_box_pack_end( GTK_BOX(hbox), print_bt, FALSE, FALSE, 0);
gtk_widget_show( print_bt );
/* create the scrollbar */
vscrollbar = gtk_vscrollbar_new( GTK_TEXT(text)->vadj );
gtk_table_attach( GTK_TABLE(table), vscrollbar, 1, 2, 0, 1,
GTK_FILL, GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0 );
gtk_widget_show( vscrollbar );
gtk_widget_realize( text );
/* Tuck away the filename and textbox into streamwindow */
#define E_FOLLOW_FILENAME_KEY "follow_filename_key"
#define E_FOLLOW_TEXT_KEY "follow_text_key"
gtk_object_set_data(GTK_OBJECT(streamwindow), E_FOLLOW_FILENAME_KEY,
g_strdup(filename1));
gtk_object_set_data(GTK_OBJECT(streamwindow), E_FOLLOW_TEXT_KEY, text);
follow_load_text(text, filename1, TRUE);
data_out_file = NULL;
gtk_widget_show( streamwindow );
} else {
simple_dialog(ESD_TYPE_WARN, NULL,
"Error following stream. Please make\n"
"sure you have a TCP packet selected.");
}
}
/* The destroy call back has the responsibility of
* unlinking the temporary file */
static void
follow_destroy_cb(GtkWidget *win, gpointer data)
{
char *filename;
filename = (char*) gtk_object_get_data(GTK_OBJECT(win),
E_FOLLOW_FILENAME_KEY);
g_assert(filename);
unlink(filename);
gtk_widget_destroy(win);
}
/* Handles the ASCII/EBCDIC toggling */
static void
follow_charset_toggle_cb(GtkWidget *w, gpointer parent_w)
{
gboolean show_ascii = FALSE;
GtkWidget *button, *text;
char *filename;
button = (GtkWidget*) gtk_object_get_data(GTK_OBJECT(parent_w),
E_FOLLOW_ASCII_KEY);
text = (GtkWidget*) gtk_object_get_data(GTK_OBJECT(parent_w),
E_FOLLOW_TEXT_KEY);
filename = (char*) gtk_object_get_data(GTK_OBJECT(parent_w),
E_FOLLOW_FILENAME_KEY);
g_assert(button);
g_assert(text);
g_assert(filename);
if (GTK_TOGGLE_BUTTON(button)->active)
show_ascii = TRUE;
follow_load_text(text, filename, show_ascii);
}
static void follow_print_stream(GtkWidget *w, gpointer parent_w)
{
FILE *fh = NULL;
int to_file = -1;
char* print_dest = NULL;
char* filename;
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;
}
if (print_dest != NULL) {
fh = open_print_dest(to_file, print_dest);
}
if (fh == NULL) {
switch (to_file) {
case -1:
simple_dialog(ESD_TYPE_WARN, NULL,
"Couldn't figure out where to send the print "
"job. Check your preferences.");
break;
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;
}
filename = (char*) gtk_object_get_data(GTK_OBJECT(parent_w),
E_FOLLOW_FILENAME_KEY);
if (filename != NULL) {
print_preamble(fh);
print_file(fh, filename);
print_finale(fh);
close_print_dest(to_file, fh);
}
else {
simple_dialog(ESD_TYPE_WARN, NULL, "Could not find data to print.");
}
}
#define FLT_BUF_SIZE 1024
static void
follow_load_text(GtkWidget *text, char *filename, gboolean show_ascii)
{
int bytes_already, bcount;
tcp_stream_chunk sc;
guint32 client_addr = 0;
guint16 client_port = 0;
GdkColor client = { 0, 16383, 0, 0 };
GdkColor server = { 0, 0, 0, 16383 };
/* Delete any info already in text box */
bytes_already = gtk_text_get_length(GTK_TEXT(text));
if (bytes_already > 0) {
gtk_text_set_point(GTK_TEXT(text), 0);
gtk_text_forward_delete(GTK_TEXT(text), bytes_already);
}
/* stop the updates while we fill the text box */
gtk_text_freeze( GTK_TEXT(text) );
data_out_file = fopen( filename, "r" );
if( data_out_file ) {
char buffer[FLT_BUF_SIZE];
int nchars;
while(fread(&sc.src_addr, 1, sizeof(sc), data_out_file)) {
if (client_addr == 0) {
client_addr = sc.src_addr;
client_port = sc.src_port;
}
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 (show_ascii) {
/* If our native arch is EBCDIC, call:
* ASCII_TO_EBCDIC(buffer, nchars);
*/
}
else {
/* If our native arch is ASCII, call: */
EBCDIC_to_ASCII(buffer, nchars);
}
if (client_addr == sc.src_addr && client_port == sc.src_port)
gtk_text_insert( GTK_TEXT(text), m_r_font, &client, NULL, buffer, nchars );
else
gtk_text_insert( GTK_TEXT(text), m_r_font, &server, NULL, buffer, nchars );
}
}
if( ferror( data_out_file ) ) {
simple_dialog(ESD_TYPE_WARN, NULL,
"Error reading temporary file %s: %s", filename, strerror(errno));
}
fclose( data_out_file );
} else {
simple_dialog(ESD_TYPE_WARN, NULL,
"Could not open temporary file %s: %s", filename, strerror(errno));
}
gtk_text_thaw( GTK_TEXT(text) );
}
/* Match selected byte pattern */
void
match_selected_cb(GtkWidget *w, gpointer data)
{
char *buf;
GtkWidget *filter_te;
char *ptr, *format, *stringified;
int i, dfilter_len, abbrev_len;
guint8 *c;
header_field_info *hfinfo;
filter_te = gtk_object_get_data(GTK_OBJECT(w), E_DFILTER_TE_KEY);
if (!finfo_selected) {
simple_dialog(ESD_TYPE_WARN, NULL,
"Error determining selected bytes. Please make\n"
"sure you have selected a field within the tree\n"
"view to be matched.");
return;
}
hfinfo = finfo_selected->hfinfo;
g_assert(hfinfo);
abbrev_len = strlen(hfinfo->abbrev);
switch(hfinfo->type) {
case FT_BOOLEAN:
dfilter_len = abbrev_len + 2;
buf = g_malloc0(dfilter_len);
snprintf(buf, dfilter_len, "%s%s", finfo_selected->value.numeric ? "" : "!",
hfinfo->abbrev);
break;
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
case FT_INT8:
case FT_INT16:
case FT_INT24:
case FT_INT32:
dfilter_len = abbrev_len + 20;
buf = g_malloc0(dfilter_len);
format = hfinfo_numeric_format(hfinfo);
snprintf(buf, dfilter_len, format, hfinfo->abbrev, finfo_selected->value.numeric);
break;
case FT_IPv4:
dfilter_len = abbrev_len + 4 + 15 + 1;
buf = g_malloc0(dfilter_len);
snprintf(buf, dfilter_len, "%s == %s", hfinfo->abbrev,
ipv4_addr_str(&(finfo_selected->value.ipv4)));
break;
case FT_IPXNET:
dfilter_len = abbrev_len + 15;
buf = g_malloc0(dfilter_len);
snprintf(buf, dfilter_len, "%s == 0x%08x", hfinfo->abbrev,
finfo_selected->value.numeric);
break;
case FT_IPv6:
stringified = ip6_to_str((struct e_in6_addr*) &(finfo_selected->value.ipv6));
dfilter_len = abbrev_len + 4 + strlen(stringified) + 1;
buf = g_malloc0(dfilter_len);
snprintf(buf, dfilter_len, "%s == %s", hfinfo->abbrev,
stringified);
break;
case FT_DOUBLE:
dfilter_len = abbrev_len + 30;
buf = g_malloc0(dfilter_len);
snprintf(buf, dfilter_len, "%s == %f", hfinfo->abbrev,
finfo_selected->value.floating);
break;
case FT_ETHER:
dfilter_len = abbrev_len + 22;
buf = g_malloc0(dfilter_len);
snprintf(buf, dfilter_len, "%s == %s",
hfinfo->abbrev,
ether_to_str(finfo_selected->value.ether));
break;
#if 0
case FT_ABSOLUTE_TIME:
case FT_RELATIVE_TIME:
memcpy(&fi->value.time, va_arg(ap, struct timeval*),
sizeof(struct timeval));
break;
case FT_STRING:
/* This g_strdup'ed memory is freed in proto_tree_free_node() */
fi->value.string = g_strdup(va_arg(ap, char*));
break;
case FT_TEXT_ONLY:
; /* nothing */
break;
#endif
default:
c = cf.pd + finfo_selected->start;
buf = g_malloc0(32 + finfo_selected->length * 3);
ptr = buf;
sprintf(ptr, "frame[%d] == ", finfo_selected->start);
ptr = buf+strlen(buf);
if (finfo_selected->length == 1) {
sprintf(ptr, "0x%02x", *c++);
}
else {
for (i=0;i<finfo_selected->length; i++) {
if (i == 0 ) {
sprintf(ptr, "%02x", *c++);
}
else {
sprintf(ptr, ":%02x", *c++);
}
ptr = buf+strlen(buf);
}
}
break;
}
/* create a new one and set the display filter entry accordingly */
gtk_entry_set_text(GTK_ENTRY(filter_te), buf);
/* Run the display filter so it goes in effect. */
filter_packets(&cf, buf);
/* Don't g_free(buf) here. filter_packets() will do it the next time it's called */
}
static char*
hfinfo_numeric_format(header_field_info *hfinfo)
{
char *format = NULL;
/* Pick the proper format string */
switch(hfinfo->display) {
case BASE_DEC:
case BASE_NONE:
case BASE_OCT: /* I'm lazy */
case BASE_BIN: /* I'm lazy */
switch(hfinfo->type) {
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
format = "%s == %u";
break;
case FT_INT8:
case FT_INT16:
case FT_INT24:
case FT_INT32:
format = "%s == %d";
break;
default:
g_assert_not_reached();
;
}
break;
case BASE_HEX:
switch(hfinfo->type) {
case FT_UINT8:
format = "%s == 0x%02x";
break;
case FT_UINT16:
format = "%s == 0x%04x";
break;
case FT_UINT24:
format = "%s == 0x%06x";
break;
case FT_UINT32:
format = "%s == 0x%08x";
break;
default:
g_assert_not_reached();
;
}
break;
default:
g_assert_not_reached();
;
}
return format;
}
/* Run the current display filter on the current packet set, and
redisplay. */
static void
filter_activate_cb(GtkWidget *w, gpointer data)
{
GtkCombo *filter_cm = gtk_object_get_data(GTK_OBJECT(w), E_DFILTER_CM_KEY);
GList *filter_list = gtk_object_get_data(GTK_OBJECT(w), E_DFILTER_FL_KEY);
GList *li, *nl = NULL;
gboolean add_filter = TRUE;
char *s = gtk_entry_get_text(GTK_ENTRY(w));
/* GtkCombos don't let us get at their list contents easily, so we maintain
our own filter list, and feed it to gtk_combo_set_popdown_strings when
a new filter is added. */
if (filter_packets(&cf, g_strdup(s))) {
li = g_list_first(filter_list);
while (li) {
if (li->data && strcmp(s, li->data) == 0)
add_filter = FALSE;
li = li->next;
}
if (add_filter) {
filter_list = g_list_append(filter_list, g_strdup(s));
li = g_list_first(filter_list);
while (li) {
nl = g_list_append(nl, strdup(li->data));
li = li->next;
}
gtk_combo_set_popdown_strings(filter_cm, nl);
gtk_entry_set_text(GTK_ENTRY(filter_cm->entry), g_list_last(filter_list)->data);
}
}
}
/* redisplay with no display filter */
static void
filter_reset_cb(GtkWidget *w, gpointer data)
{
GtkWidget *filter_te = NULL;
if ((filter_te = gtk_object_get_data(GTK_OBJECT(w), E_DFILTER_TE_KEY))) {
gtk_entry_set_text(GTK_ENTRY(filter_te), "");
}
filter_packets(&cf, NULL);
}
/* What to do when a list item is selected/unselected */
void
packet_list_select_cb(GtkWidget *w, gint row, gint col, gpointer evt) {
#ifdef HAVE_LIBPCAP
if (!sync_mode) {
#endif
if (cf.wth)
return;
#ifdef HAVE_LIBPCAP
}
#endif
blank_packetinfo();
select_packet(&cf, row);
}
void
packet_list_unselect_cb(GtkWidget *w, gint row, gint col, gpointer evt) {
unselect_packet(&cf);
}
void
tree_view_cb(GtkWidget *w, gpointer data) {
field_info *finfo;
int tree_selected_start = -1;
int tree_selected_len = -1;
if (GTK_TREE(w)->selection) {
finfo =
gtk_object_get_data(GTK_OBJECT(GTK_TREE(w)->selection->data),
E_TREEINFO_FIELD_INFO_KEY);
g_assert(finfo);
finfo_selected = finfo;
tree_selected_start = finfo->start;
tree_selected_len = finfo->length;
}
gtk_text_freeze(GTK_TEXT(byte_view));
gtk_text_set_point(GTK_TEXT(byte_view), 0);
gtk_text_forward_delete(GTK_TEXT(byte_view),
gtk_text_get_length(GTK_TEXT(byte_view)));
packet_hex_print(GTK_TEXT(byte_view), cf.pd, cf.current_frame->cap_len,
tree_selected_start, tree_selected_len,
cf.current_frame->encoding);
gtk_text_thaw(GTK_TEXT(byte_view));
}
void collapse_all_cb(GtkWidget *widget, gpointer data) {
if (cf.protocol_tree)
collapse_all_tree(cf.protocol_tree, tree_view);
}
void expand_all_cb(GtkWidget *widget, gpointer data) {
if (cf.protocol_tree)
expand_all_tree(cf.protocol_tree, tree_view);
}
void
file_quit_cmd_cb (GtkWidget *widget, gpointer data) {
/* If we have a capture file open, and it's a temporary file,
unlink it. */
if (cf.filename != NULL && cf.is_tempfile)
unlink(cf.filename);
gtk_exit(0);
}
/* call initialization routines at program startup time */
static void
ethereal_proto_init(void) {
init_dissect_rpc();
proto_init();
init_dissect_udp();
dfilter_init();
}
static void
ethereal_proto_cleanup(void) {
proto_cleanup();
dfilter_cleanup();
}
static void
print_usage(void) {
fprintf(stderr, "This is GNU %s %s, compiled with %s\n", PACKAGE,
VERSION, comp_info_str);
fprintf(stderr, "%s [-vh] [-kQS] [-b <bold font>] [-B <byte view height>] [-c count]\n",
PACKAGE);
fprintf(stderr, " [-f <filter expression>] [-i interface] [-m <medium font>] [-n]\n");
fprintf(stderr, " [-P <packet list height>] [-r infile] [-s snaplen]\n");
fprintf(stderr, " [-t <time stamp format>] [-T <tree view height>] [-w savefile] \n");
}
/* And now our feature presentation... [ fade to music ] */
int
main(int argc, char *argv[])
{
#ifdef HAVE_LIBPCAP
char *command_name;
#endif
char *s;
int i;
#ifndef WIN32
int opt;
extern char *optarg;
#endif
#ifdef HAVE_LIBPCAP
extern char pcap_version[];
#endif
char *pf_path;
int pf_open_errno = 0;
int err;
#ifdef HAVE_LIBPCAP
gboolean start_capture = FALSE;
gchar *save_file = NULL;
#endif
GtkWidget *window, *main_vbox, *menubar, *u_pane, *l_pane,
*bv_table, *bv_hscroll, *bv_vscroll, *stat_hbox,
*tv_scrollw, *filter_bt, *filter_cm, *filter_te,
*filter_reset;
GList *filter_list = NULL;
GtkStyle *pl_style;
GtkAccelGroup *accel;
GtkWidget *packet_sw;
gint pl_size = 280, tv_size = 95, bv_size = 75;
gchar *rc_file, *cf_name = NULL, *rfilter = NULL;
dfilter *rfcode = NULL;
gboolean rfilter_parse_failed = FALSE;
e_prefs *prefs;
ethereal_path = argv[0];
#ifdef HAVE_LIBPCAP
command_name = strrchr(ethereal_path, '/');
if (command_name == NULL)
command_name = ethereal_path;
else
command_name++;
/* Set "capture_child" to indicate whether this is going to be a child
process for a "-S" capture. */
capture_child = (strcmp(command_name, CHILD_NAME) == 0);
#endif
/* If invoked with the "-G" flag, we dump out a glossary of
display filter symbols.
We must do this before calling "gtk_init()", because "gtk_init()"
tries to open an X display, and we don't want to have to do any X
stuff just to do a build.
Given that we call "gtk_init()" before doing the regular argument
list processing, so that it can handle X and GTK+ arguments and
remove them from the list at which we look, this means we must do
this before doing the regular argument list processing, as well.
This means that:
you must give the "-G" flag as the first flag on the command line;
you must give it as "-G", nothing more, nothing less;
any arguments after the "-G" flag will not be used. */
if (argc >= 2 && strcmp(argv[1], "-G") == 0) {
ethereal_proto_init();
proto_registrar_dump();
exit(0);
}
/* Let GTK get its args */
gtk_init (&argc, &argv);
prefs = read_prefs(&pf_path);
if (pf_path != NULL) {
/* The preferences file exists, but couldn't be opened; "pf_path" is
its pathname. Remember "errno", as that says why the attempt
failed. */
pf_open_errno = errno;
}
/* Initialize the capture file struct */
cf.plist = NULL;
cf.plist_end = NULL;
cf.wth = NULL;
cf.fh = NULL;
cf.filename = NULL;
cf.user_saved = FALSE;
cf.is_tempfile = FALSE;
cf.rfcode = NULL;
cf.dfilter = NULL;
cf.dfcode = NULL;
#ifdef HAVE_LIBPCAP
cf.cfilter = NULL;
#endif
cf.iface = NULL;
cf.save_file = NULL;
cf.save_file_fd = -1;
cf.snap = WTAP_MAX_PACKET_SIZE;
cf.count = 0;
cf.cinfo.num_cols = prefs->num_cols;
cf.cinfo.col_fmt = (gint *) g_malloc(sizeof(gint) * cf.cinfo.num_cols);
cf.cinfo.fmt_matx = (gboolean **) g_malloc(sizeof(gboolean *) * cf.cinfo.num_cols);
cf.cinfo.col_width = (gint *) g_malloc(sizeof(gint) * cf.cinfo.num_cols);
cf.cinfo.col_title = (gchar **) g_malloc(sizeof(gchar *) * cf.cinfo.num_cols);
cf.cinfo.col_data = (gchar **) g_malloc(sizeof(gchar *) * cf.cinfo.num_cols);
/* Assemble the compile-time options */
snprintf(comp_info_str, 256,
#ifdef GTK_MAJOR_VERSION
"GTK+ %d.%d.%d, %s%s, %s%s, %s%s", GTK_MAJOR_VERSION, GTK_MINOR_VERSION,
GTK_MICRO_VERSION,
#else
"GTK+ (version unknown), %s%s, %s%s, %s%s",
#endif
#ifdef HAVE_LIBPCAP
"with libpcap ", pcap_version,
#else
"without libpcap", "",
#endif
#ifdef HAVE_LIBZ
#ifdef ZLIB_VERSION
"with libz ", ZLIB_VERSION,
#else /* ZLIB_VERSION */
"with libz ", "(version unknown)",
#endif /* ZLIB_VERSION */
#else /* HAVE_LIBZ */
"without libz", "",
#endif /* HAVE_LIBZ */
#if defined(HAVE_UCD_SNMP_SNMP_H)
#ifdef HAVE_UCD_SNMP_VERSION_H
"with UCD SNMP ", VersionInfo
#else /* HAVE_UCD_SNMP_VERSION_H */
"with UCD SNMP ", "(version unknown)"
#endif /* HAVE_UCD_SNMP_VERSION_H */
#elif defined(HAVE_SNMP_SNMP_H)
#ifdef HAVE_SNMP_VERSION_H
"with CMU SNMP ", snmp_Version()
#else /* HAVE_SNMP_VERSION_H */
"with CMU SNMP ", "(version unknown)"
#endif /* HAVE_SNMP_VERSION_H */
#else /* no SNMP */
"without SNMP", ""
#endif
);
#ifndef WIN32
/* Now get our args */
while ((opt = getopt(argc, argv, "b:B:c:f:hi:km:nP:Qr:R:Ss:t:T:w:W:v")) != EOF) {
switch (opt) {
case 'b': /* Bold font */
bold_font = g_strdup(optarg);
break;
case 'B': /* Byte view pane height */
bv_size = atoi(optarg);
break;
case 'c': /* Capture xxx packets */
cf.count = atoi(optarg);
break;
#ifdef HAVE_LIBPCAP
case 'f':
cf.cfilter = g_strdup(optarg);
break;
#endif
case 'h': /* Print help and exit */
print_usage();
exit(0);
break;
case 'i': /* Use interface xxx */
cf.iface = g_strdup(optarg);
break;
case 'm': /* Medium font */
medium_font = g_strdup(optarg);
break;
case 'n': /* No name resolution */
g_resolving_actif = 0;
break;
#ifdef HAVE_LIBPCAP
case 'k': /* Start capture immediately */
start_capture = TRUE;
break;
#endif
case 'P': /* Packet list pane height */
pl_size = atoi(optarg);
break;
#ifdef HAVE_LIBPCAP
case 'Q': /* Quit after capture (just capture to file) */
quit_after_cap = 1;
start_capture = TRUE; /*** -Q implies -k !! ***/
break;
#endif
case 'r': /* Read capture file xxx */
cf_name = optarg;
break;
case 'R': /* Read file filter */
rfilter = optarg;
break;
#ifdef HAVE_LIBPCAP
case 's': /* Set the snapshot (capture) length */
cf.snap = atoi(optarg);
break;
case 'S': /* "Sync" mode: used for following file ala tail -f */
sync_mode = TRUE;
break;
#endif
case 't': /* Time stamp type */
if (strcmp(optarg, "r") == 0)
timestamp_type = RELATIVE;
else if (strcmp(optarg, "a") == 0)
timestamp_type = ABSOLUTE;
else if (strcmp(optarg, "d") == 0)
timestamp_type = DELTA;
else {
fprintf(stderr, "ethereal: Invalid time stamp type \"%s\"\n",
optarg);
fprintf(stderr, "It must be \"r\" for relative, \"a\" for absolute,\n");
fprintf(stderr, "or \"d\" for delta.\n");
exit(1);
}
break;
case 'T': /* Tree view pane height */
tv_size = atoi(optarg);
break;
case 'v': /* Show version and exit */
printf("%s %s, with %s\n", PACKAGE, VERSION, comp_info_str);
exit(0);
break;
#ifdef HAVE_LIBPCAP
case 'w': /* Write to capture file xxx */
save_file = g_strdup(optarg);
break;
case 'W': /* Write to capture file FD xxx */
cf.save_file_fd = atoi(optarg);
break;
#endif
case '?': /* Bad flag - print usage message */
print_usage();
break;
}
}
#endif
#ifdef HAVE_LIBPCAP
if (start_capture) {
if (cf.iface == NULL) {
fprintf(stderr, "ethereal: \"-k\" flag was specified without \"-i\" flag\n");
exit(1);
}
}
if (capture_child) {
if (cf.save_file_fd == -1) {
/* XXX - send this to the standard output as something our parent
should put in an error message box? */
fprintf(stderr, "%s: \"-W\" flag not specified\n", CHILD_NAME);
exit(1);
}
}
#endif
/* Build the column format array */
for (i = 0; i < cf.cinfo.num_cols; i++) {
cf.cinfo.col_fmt[i] = get_column_format(i);
cf.cinfo.col_title[i] = g_strdup(get_column_title(i));
cf.cinfo.fmt_matx[i] = (gboolean *) g_malloc0(sizeof(gboolean) *
NUM_COL_FMTS);
get_column_format_matches(cf.cinfo.fmt_matx[i], cf.cinfo.col_fmt[i]);
if (cf.cinfo.col_fmt[i] == COL_INFO)
cf.cinfo.col_data[i] = (gchar *) g_malloc(sizeof(gchar) * COL_MAX_INFO_LEN);
else
cf.cinfo.col_data[i] = (gchar *) g_malloc(sizeof(gchar) * COL_MAX_LEN);
}
if (cf.snap < 1)
cf.snap = WTAP_MAX_PACKET_SIZE;
else if (cf.snap < MIN_PACKET_SIZE)
cf.snap = MIN_PACKET_SIZE;
rc_file = (gchar *) g_malloc(strlen(getenv("HOME")) + strlen(RC_FILE) + 4);
sprintf(rc_file, "%s/%s", getenv("HOME"), RC_FILE);
gtk_rc_parse(rc_file);
if ((m_r_font = gdk_font_load(medium_font)) == NULL) {
fprintf(stderr, "ethereal: Error font %s not found (use -m option)\n", medium_font);
exit(1);
}
if ((m_b_font = gdk_font_load(bold_font)) == NULL) {
fprintf(stderr, "ethereal: Error font %s not found (use -b option)\n", bold_font);
exit(1);
}
/* Main window */
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_widget_set_name(window, "main window");
gtk_signal_connect(GTK_OBJECT(window), "delete_event",
GTK_SIGNAL_FUNC(file_quit_cmd_cb), "WM destroy");
gtk_signal_connect(GTK_OBJECT(window), "destroy",
GTK_SIGNAL_FUNC(file_quit_cmd_cb), "WM destroy");
gtk_window_set_title(GTK_WINDOW(window), "The Ethereal Network Analyzer");
gtk_widget_set_usize(GTK_WIDGET(window), DEF_WIDTH, -1);
gtk_window_set_policy(GTK_WINDOW(window), TRUE, TRUE, FALSE);
/* Container for menu bar, paned windows and progress/info box */
main_vbox = gtk_vbox_new(FALSE, 1);
gtk_container_border_width(GTK_CONTAINER(main_vbox), 1);
gtk_container_add(GTK_CONTAINER(window), main_vbox);
gtk_widget_show(main_vbox);
/* Menu bar */
get_main_menu(&menubar, &accel);
gtk_window_add_accel_group(GTK_WINDOW(window), accel);
gtk_box_pack_start(GTK_BOX(main_vbox), menubar, FALSE, TRUE, 0);
gtk_widget_show(menubar);
/* Panes for the packet list, tree, and byte view */
u_pane = gtk_vpaned_new();
gtk_paned_gutter_size(GTK_PANED(u_pane), (GTK_PANED(u_pane))->handle_size);
l_pane = gtk_vpaned_new();
gtk_paned_gutter_size(GTK_PANED(l_pane), (GTK_PANED(l_pane))->handle_size);
gtk_container_add(GTK_CONTAINER(main_vbox), u_pane);
gtk_widget_show(u_pane);
gtk_paned_add2 (GTK_PANED(u_pane), l_pane);
gtk_widget_show(l_pane);
/* Packet list */
packet_list = gtk_clist_new_with_titles(cf.cinfo.num_cols, cf.cinfo.col_title);
gtk_clist_column_titles_passive(GTK_CLIST(packet_list));
packet_sw = gtk_scrolled_window_new(NULL, NULL);
gtk_widget_show(packet_sw);
gtk_container_add(GTK_CONTAINER(packet_sw), packet_list);
pl_style = gtk_style_new();
gdk_font_unref(pl_style->font);
pl_style->font = m_r_font;
gtk_widget_set_style(packet_list, pl_style);
gtk_widget_set_name(packet_list, "packet list");
gtk_signal_connect(GTK_OBJECT(packet_list), "select_row",
GTK_SIGNAL_FUNC(packet_list_select_cb), NULL);
gtk_signal_connect(GTK_OBJECT(packet_list), "unselect_row",
GTK_SIGNAL_FUNC(packet_list_unselect_cb), NULL);
for (i = 0; i < cf.cinfo.num_cols; i++) {
if (get_column_resize_type(cf.cinfo.col_fmt[i]) != RESIZE_MANUAL)
gtk_clist_set_column_auto_resize(GTK_CLIST(packet_list), i, TRUE);
/* Right-justify the packet number column. */
if (cf.cinfo.col_fmt[i] == COL_NUMBER)
gtk_clist_set_column_justification(GTK_CLIST(packet_list), i,
GTK_JUSTIFY_RIGHT);
/* Save static column sizes to use during a "-S" capture, so that
the columns don't resize during a live capture. */
cf.cinfo.col_width[i] = get_column_width(get_column_format(i),
pl_style->font);
}
gtk_widget_set_usize(packet_list, -1, pl_size);
gtk_paned_add1(GTK_PANED(u_pane), packet_sw);
gtk_widget_show(packet_list);
/* Tree view */
tv_scrollw = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW(tv_scrollw),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_paned_add1(GTK_PANED(l_pane), tv_scrollw);
gtk_widget_set_usize(tv_scrollw, -1, tv_size);
gtk_widget_show(tv_scrollw);
tree_view = gtk_tree_new();
gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(tv_scrollw),
tree_view);
gtk_tree_set_selection_mode(GTK_TREE(tree_view), GTK_SELECTION_SINGLE);
/* XXX - what's the difference between the next two lines? */
gtk_tree_set_view_lines(GTK_TREE(tree_view), FALSE);
gtk_tree_set_view_mode(GTK_TREE(tree_view), GTK_TREE_VIEW_ITEM);
gtk_signal_connect(GTK_OBJECT(tree_view), "selection_changed",
GTK_SIGNAL_FUNC(tree_view_cb), NULL);
gtk_widget_show(tree_view);
item_style = gtk_style_new();
gdk_font_unref(item_style->font);
item_style->font = m_r_font;
/* Byte view */
bv_table = gtk_table_new (2, 2, FALSE);
gtk_paned_add2(GTK_PANED(l_pane), bv_table);
gtk_widget_set_usize(bv_table, -1, bv_size);
gtk_widget_show(bv_table);
byte_view = gtk_text_new(NULL, NULL);
gtk_text_set_editable(GTK_TEXT(byte_view), FALSE);
gtk_text_set_word_wrap(GTK_TEXT(byte_view), FALSE);
gtk_table_attach (GTK_TABLE (bv_table), byte_view, 0, 1, 0, 1,
GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0);
gtk_widget_show(byte_view);
bv_hscroll = gtk_hscrollbar_new(GTK_TEXT(byte_view)->hadj);
gtk_table_attach(GTK_TABLE(bv_table), bv_hscroll, 0, 1, 1, 2,
GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);
gtk_widget_show (bv_hscroll);
bv_vscroll = gtk_vscrollbar_new(GTK_TEXT(byte_view)->vadj);
gtk_table_attach(GTK_TABLE(bv_table), bv_vscroll, 1, 2, 0, 1,
GTK_FILL, GTK_EXPAND | GTK_FILL | GTK_SHRINK, 0, 0);
gtk_widget_show(bv_vscroll);
/* Progress/filter/info box */
stat_hbox = gtk_hbox_new(FALSE, 1);
gtk_container_border_width(GTK_CONTAINER(stat_hbox), 0);
gtk_box_pack_start(GTK_BOX(main_vbox), stat_hbox, FALSE, TRUE, 0);
gtk_widget_show(stat_hbox);
prog_bar = gtk_progress_bar_new();
gtk_box_pack_start(GTK_BOX(stat_hbox), prog_bar, FALSE, TRUE, 3);
gtk_widget_show(prog_bar);
filter_bt = gtk_button_new_with_label("Filter:");
gtk_signal_connect(GTK_OBJECT(filter_bt), "clicked",
GTK_SIGNAL_FUNC(prefs_cb), (gpointer) E_PR_PG_FILTER);
gtk_box_pack_start(GTK_BOX(stat_hbox), filter_bt, FALSE, TRUE, 0);
gtk_widget_show(filter_bt);
filter_cm = gtk_combo_new();
filter_list = g_list_append (filter_list, "");
gtk_combo_set_popdown_strings(GTK_COMBO(filter_cm), filter_list);
gtk_combo_disable_activate(GTK_COMBO(filter_cm));
filter_te = GTK_COMBO(filter_cm)->entry;
gtk_object_set_data(GTK_OBJECT(filter_bt), E_FILT_TE_PTR_KEY, filter_te);
gtk_object_set_data(GTK_OBJECT(filter_te), E_DFILTER_CM_KEY, filter_cm);
gtk_object_set_data(GTK_OBJECT(filter_te), E_DFILTER_FL_KEY, filter_list);
gtk_box_pack_start(GTK_BOX(stat_hbox), filter_cm, TRUE, TRUE, 3);
gtk_signal_connect(GTK_OBJECT(filter_te), "activate",
GTK_SIGNAL_FUNC(filter_activate_cb), (gpointer) NULL);
gtk_widget_show(filter_cm);
filter_reset = gtk_button_new_with_label("Reset");
gtk_object_set_data(GTK_OBJECT(filter_reset), E_DFILTER_TE_KEY, filter_te);
gtk_signal_connect(GTK_OBJECT(filter_reset), "clicked",
GTK_SIGNAL_FUNC(filter_reset_cb), (gpointer) NULL);
gtk_box_pack_start(GTK_BOX(stat_hbox), filter_reset, FALSE, TRUE, 1);
gtk_widget_show(filter_reset);
/* Sets the text entry widget pointer as the E_DILTER_TE_KEY data
* of any widget that ends up calling a callback which needs
* that text entry pointer */
set_menu_object_data("/File/Open...", E_DFILTER_TE_KEY, filter_te);
set_menu_object_data("/File/Reload", E_DFILTER_TE_KEY, filter_te);
set_menu_object_data("/Display/Match Selected", E_DFILTER_TE_KEY, filter_te);
set_menu_object_data("/Tools/Follow TCP Stream", E_DFILTER_TE_KEY, filter_te);
info_bar = gtk_statusbar_new();
main_ctx = gtk_statusbar_get_context_id(GTK_STATUSBAR(info_bar), "main");
file_ctx = gtk_statusbar_get_context_id(GTK_STATUSBAR(info_bar), "file");
gtk_statusbar_push(GTK_STATUSBAR(info_bar), main_ctx, DEF_READY_MESSAGE);
gtk_box_pack_start(GTK_BOX(stat_hbox), info_bar, TRUE, TRUE, 0);
gtk_widget_show(info_bar);
/*
Hmmm should we do it here
*/
ethereal_proto_init(); /* Init anything that needs initializing */
#ifdef HAVE_LIBPCAP
/* Is this a "child" ethereal, which is only supposed to pop up a
capture box to let us stop the capture, and run a capture
to a file that our parent will read? */
if (!capture_child) {
#endif
/* No. Pop up the main window, and read in a capture file if
we were told to. */
gtk_widget_show(window);
cf.colors = colfilter_new();
/* If we were given the name of a capture file, read it in now;
we defer it until now, so that, if we can't open it, and pop
up an alert box, the alert box is more likely to come up on
top of the main window - but before the preference-file-error
alert box, so, if we get one of those, it's more likely to come
up on top of us. */
if (cf_name) {
if (rfilter != NULL) {
if (dfilter_compile(rfilter, &rfcode) != 0) {
simple_dialog(ESD_TYPE_WARN, NULL, dfilter_error_msg);
rfilter_parse_failed = TRUE;
}
}
if (!rfilter_parse_failed) {
if ((err = open_cap_file(cf_name, FALSE, &cf)) == 0) {
/* "open_cap_file()" succeeded, so it closed the previous
capture file, and thus destroyed any previous read filter
attached to "cf". */
cf.rfcode = rfcode;
err = read_cap_file(&cf);
s = strrchr(cf_name, '/');
if (s) {
last_open_dir = cf_name;
*s = '\0';
}
} else {
dfilter_destroy(rfcode);
cf.rfcode = NULL;
}
}
}
#ifdef HAVE_LIBPCAP
}
#endif
/* If we failed to open the preferences file, pop up an alert box;
we defer it until now, so that the alert box is more likely to
come up on top of the main window. */
if (pf_path != NULL) {
simple_dialog(ESD_TYPE_WARN, NULL,
"Could not open preferences file\n\"%s\": %s.", pf_path,
strerror(pf_open_errno));
}
#ifdef HAVE_LIBPCAP
if (capture_child) {
/* This is the child process for a sync mode or fork mode capture,
so just do the low-level work of a capture - don't create
a temporary file and fork off *another* child process (so don't
call "do_capture()"). */
capture();
/* The capture is done; there's nothing more for us to do. */
gtk_exit(0);
} else {
if (start_capture) {
/* "-k" was specified; start a capture. */
do_capture(save_file);
}
}
#endif
gtk_main();
ethereal_proto_cleanup();
g_free(rc_file);
exit(0);
}