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/* main.c
*
* $Id: main.c,v 1.356 2004/01/18 01:41:14 obiot Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* Richard Sharpe, 13-Feb-1999, added support for initializing structures
* needed by dissect routines
* Jeff Foster, 2001/03/12, added support tabbed hex display windowss
*
*
* 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
* - Playback window
* - Multiple window support
* - Add cut/copy/paste
* - Create header parsing routines
* - Make byte view selections more fancy?
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_LIBPCAP
#include <pcap.h>
#endif
#include <gtk/gtk.h>
#include <string.h>
#include <ctype.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_IO_H
#include <io.h> /* open/close on win32 */
#endif
#ifdef NEED_SNPRINTF_H
# include "snprintf.h"
#endif
#ifdef NEED_STRERROR_H
#include "strerror.h"
#endif
#ifdef NEED_GETOPT_H
#include "getopt.h"
#endif
#ifdef WIN32 /* Needed for console I/O */
#include <fcntl.h>
#include <conio.h>
#endif
#include <epan/epan.h>
#include <epan/filesystem.h>
#include <epan/epan_dissect.h>
#include "cvsversion.h"
#include "main.h"
#include <epan/timestamp.h>
#include <epan/packet.h>
#include "capture.h"
#include "summary.h"
#include "file.h"
#include "filters.h"
#include "disabled_protos.h"
#include "prefs.h"
#include "menu.h"
#include "../menu.h"
#include "color.h"
#include "color_filters.h"
#include "color_utils.h"
#include "filter_prefs.h"
#include "file_dlg.h"
#include "column.h"
#include "print.h"
#include <epan/resolv.h>
#ifdef HAVE_LIBPCAP
#include "pcap-util.h"
#endif
#include "statusbar.h"
#include "simple_dialog.h"
#include "dlg_utils.h"
#include "proto_draw.h"
#include <epan/dfilter/dfilter.h>
#include "keys.h"
#include "packet_win.h"
#include "gtkglobals.h"
#include <epan/plugins.h>
#include "colors.h"
#include <epan/strutil.h>
#include "register.h"
#include <prefs-int.h>
#include "ringbuffer.h"
#include "../ui_util.h"
#include "ui_util.h"
#include "toolbar.h"
#include "../tap.h"
#include "../util.h"
#include "../version_info.h"
#include "compat_macros.h"
#include "find_dlg.h"
#include "packet_list.h"
#ifdef WIN32
#include "capture-wpcap.h"
#endif
typedef struct column_arrows {
GtkWidget *table;
GtkWidget *ascend_pm;
GtkWidget *descend_pm;
} column_arrows;
capture_file cfile;
GtkWidget *main_display_filter_widget=NULL;
GtkWidget *top_level = NULL, *tree_view, *byte_nb_ptr, *tv_scrollw;
static GtkWidget *info_bar;
#if GTK_MAJOR_VERSION < 2
GdkFont *m_r_font, *m_b_font;
guint m_font_height, m_font_width;
#else
PangoFontDescription *m_r_font, *m_b_font;
#endif
static guint main_ctx, file_ctx, help_ctx;
static GString *comp_info_str, *runtime_info_str;
gchar *ethereal_path = NULL;
gchar *last_open_dir = NULL;
static gboolean updated_last_open_dir = FALSE;
static gint root_x = G_MAXINT, root_y = G_MAXINT, top_width, top_height;
static gboolean updated_geometry = FALSE;
ts_type timestamp_type = RELATIVE;
#if GTK_MAJOR_VERSION < 2
GtkStyle *item_style;
#endif
#ifdef WIN32
static gboolean has_no_console; /* TRUE if app has no console */
static gboolean console_was_created; /* TRUE if console was created */
static void create_console(void);
static void destroy_console(void);
static void console_log_handler(const char *log_domain,
GLogLevelFlags log_level, const char *message, gpointer user_data);
#endif
#ifdef HAVE_LIBPCAP
static gboolean list_link_layer_types;
#endif
static void create_main_window(gint, gint, gint, e_prefs*);
#define E_DFILTER_CM_KEY "display_filter_combo"
#define E_DFILTER_FL_KEY "display_filter_list"
/* About Ethereal window */
#define MAX_ABOUT_MSG_LEN 2048
void
about_ethereal( GtkWidget *w _U_, gpointer data _U_ ) {
GtkWidget *win, *main_vb, *top_hb, *msg_label, *bbox, *ok_btn;
gchar message[MAX_ABOUT_MSG_LEN];
/*
* XXX - use GtkDialog? The GNOME 2.x GnomeAbout widget does.
* Should we use GtkDialog for simple_dialog() as well? Or
* is the GTK+ 2.x GtkDialog appropriate but the 1.2[.x] one
* not? (The GNOME 1.x GnomeAbout widget uses GnomeDialog.)
*/
win = dlg_window_new("About Ethereal");
gtk_container_border_width(GTK_CONTAINER(win), 7);
/* Container for our rows */
main_vb = gtk_vbox_new(FALSE, 5);
gtk_container_border_width(GTK_CONTAINER(main_vb), 5);
gtk_container_add(GTK_CONTAINER(win), main_vb);
gtk_widget_show(main_vb);
/* Top row: Message text */
top_hb = gtk_hbox_new(FALSE, 10);
gtk_container_add(GTK_CONTAINER(main_vb), top_hb);
gtk_widget_show(top_hb);
/* Construct the message string */
snprintf(message, MAX_ABOUT_MSG_LEN,
"Ethereal - Network Protocol Analyzer\n\n"
"Version " VERSION
#ifdef CVSVERSION
" (cvs " CVSVERSION ")"
#endif
" (C) 1998-2003 Gerald Combs <gerald@ethereal.com>\n\n"
"%s\n"
"%s\n\n"
"Ethereal is Open Source software released under the GNU General Public License.\n\n"
"Check the man page for complete documentation and\n"
"for the list of contributors.\n\n"
"See http://www.ethereal.com for more information.",
comp_info_str->str, runtime_info_str->str);
msg_label = gtk_label_new(message);
gtk_label_set_justify(GTK_LABEL(msg_label), GTK_JUSTIFY_FILL);
gtk_container_add(GTK_CONTAINER(top_hb), msg_label);
gtk_widget_show(msg_label);
/* Button row */
bbox = gtk_hbutton_box_new();
gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_END);
gtk_container_add(GTK_CONTAINER(main_vb), bbox);
gtk_widget_show(bbox);
ok_btn = BUTTON_NEW_FROM_STOCK(GTK_STOCK_OK);
SIGNAL_CONNECT_OBJECT(ok_btn, "clicked", gtk_widget_destroy, win);
gtk_container_add(GTK_CONTAINER(bbox), ok_btn);
GTK_WIDGET_SET_FLAGS(ok_btn, GTK_CAN_DEFAULT);
gtk_widget_grab_default(ok_btn);
gtk_widget_show(ok_btn);
/* 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(win, ok_btn);
gtk_widget_show(win);
}
#if GTK_MAJOR_VERSION < 2
void
set_fonts(GdkFont *regular, GdkFont *bold)
#else
void
set_fonts(PangoFontDescription *regular, PangoFontDescription *bold)
#endif
{
/* Yes, assert. The code that loads the font should check
* for NULL and provide its own error message. */
g_assert(m_r_font && m_b_font);
m_r_font = regular;
m_b_font = bold;
#if GTK_MAJOR_VERSION < 2
m_font_height = m_r_font->ascent + m_r_font->descent;
m_font_width = gdk_string_width(m_r_font, "0");
#endif
}
/*
* Go to frame specified by currently selected protocol tree item.
*/
void
goto_framenum_cb(GtkWidget *w _U_, gpointer data _U_)
{
if (cfile.finfo_selected) {
header_field_info *hfinfo;
guint32 framenum;
hfinfo = cfile.finfo_selected->hfinfo;
g_assert(hfinfo);
if (hfinfo->type == FT_FRAMENUM) {
framenum = fvalue_get_integer(&cfile.finfo_selected->value);
if (framenum != 0)
goto_frame(&cfile, framenum);
}
}
}
/* Match selected byte pattern */
static void
match_selected_cb_do(gpointer data, int action, gchar *text)
{
GtkWidget *filter_te;
char *cur_filter, *new_filter;
if (!text)
return;
g_assert(data);
filter_te = OBJECT_GET_DATA(data, E_DFILTER_TE_KEY);
g_assert(filter_te);
cur_filter = gtk_editable_get_chars(GTK_EDITABLE(filter_te), 0, -1);
switch (action&MATCH_SELECTED_MASK) {
case MATCH_SELECTED_REPLACE:
new_filter = g_strdup(text);
break;
case MATCH_SELECTED_AND:
if ((!cur_filter) || (0 == strlen(cur_filter)))
new_filter = g_strdup(text);
else
new_filter = g_strconcat("(", cur_filter, ") && (", text, ")", NULL);
break;
case MATCH_SELECTED_OR:
if ((!cur_filter) || (0 == strlen(cur_filter)))
new_filter = g_strdup(text);
else
new_filter = g_strconcat("(", cur_filter, ") || (", text, ")", NULL);
break;
case MATCH_SELECTED_NOT:
new_filter = g_strconcat("!(", text, ")", NULL);
break;
case MATCH_SELECTED_AND_NOT:
if ((!cur_filter) || (0 == strlen(cur_filter)))
new_filter = g_strconcat("!(", text, ")", NULL);
else
new_filter = g_strconcat("(", cur_filter, ") && !(", text, ")", NULL);
break;
case MATCH_SELECTED_OR_NOT:
if ((!cur_filter) || (0 == strlen(cur_filter)))
new_filter = g_strconcat("!(", text, ")", NULL);
else
new_filter = g_strconcat("(", cur_filter, ") || !(", text, ")", NULL);
break;
default:
g_assert_not_reached();
new_filter = NULL;
break;
}
/* Free up the copy we got of the old filter text. */
g_free(cur_filter);
/* create a new one and set the display filter entry accordingly */
gtk_entry_set_text(GTK_ENTRY(filter_te), new_filter);
/* Run the display filter so it goes in effect. */
if (action&MATCH_SELECTED_APPLY_NOW)
filter_packets(&cfile, new_filter);
/* Free up the new filter text. */
g_free(new_filter);
/* Free up the generated text we were handed. */
g_free(text);
}
void
match_selected_cb_replace_ptree(GtkWidget *w, gpointer data)
{
if (cfile.finfo_selected)
match_selected_cb_do((data ? data : w),
MATCH_SELECTED_REPLACE|MATCH_SELECTED_APPLY_NOW,
proto_construct_dfilter_string(cfile.finfo_selected, cfile.edt));
}
void
match_selected_cb_and_ptree(GtkWidget *w, gpointer data)
{
if (cfile.finfo_selected)
match_selected_cb_do((data ? data : w),
MATCH_SELECTED_AND|MATCH_SELECTED_APPLY_NOW,
proto_construct_dfilter_string(cfile.finfo_selected, cfile.edt));
}
void
match_selected_cb_or_ptree(GtkWidget *w, gpointer data)
{
if (cfile.finfo_selected)
match_selected_cb_do((data ? data : w),
MATCH_SELECTED_OR|MATCH_SELECTED_APPLY_NOW,
proto_construct_dfilter_string(cfile.finfo_selected, cfile.edt));
}
void
match_selected_cb_not_ptree(GtkWidget *w, gpointer data)
{
if (cfile.finfo_selected)
match_selected_cb_do((data ? data : w),
MATCH_SELECTED_NOT|MATCH_SELECTED_APPLY_NOW,
proto_construct_dfilter_string(cfile.finfo_selected, cfile.edt));
}
void
match_selected_cb_and_ptree_not(GtkWidget *w, gpointer data)
{
if (cfile.finfo_selected)
match_selected_cb_do((data ? data : w),
MATCH_SELECTED_AND_NOT|MATCH_SELECTED_APPLY_NOW,
proto_construct_dfilter_string(cfile.finfo_selected, cfile.edt));
}
void
match_selected_cb_or_ptree_not(GtkWidget *w, gpointer data)
{
if (cfile.finfo_selected)
match_selected_cb_do((data ? data : w),
MATCH_SELECTED_OR_NOT,
proto_construct_dfilter_string(cfile.finfo_selected, cfile.edt));
}
void
prepare_selected_cb_replace_ptree(GtkWidget *w, gpointer data)
{
if (cfile.finfo_selected)
match_selected_cb_do((data ? data : w),
MATCH_SELECTED_REPLACE,
proto_construct_dfilter_string(cfile.finfo_selected, cfile.edt));
}
void
prepare_selected_cb_and_ptree(GtkWidget *w, gpointer data)
{
if (cfile.finfo_selected)
match_selected_cb_do((data ? data : w),
MATCH_SELECTED_AND,
proto_construct_dfilter_string(cfile.finfo_selected, cfile.edt));
}
void
prepare_selected_cb_or_ptree(GtkWidget *w, gpointer data)
{
if (cfile.finfo_selected)
match_selected_cb_do((data ? data : w),
MATCH_SELECTED_OR,
proto_construct_dfilter_string(cfile.finfo_selected, cfile.edt));
}
void
prepare_selected_cb_not_ptree(GtkWidget *w, gpointer data)
{
if (cfile.finfo_selected)
match_selected_cb_do((data ? data : w),
MATCH_SELECTED_NOT,
proto_construct_dfilter_string(cfile.finfo_selected, cfile.edt));
}
void
prepare_selected_cb_and_ptree_not(GtkWidget *w, gpointer data)
{
if (cfile.finfo_selected)
match_selected_cb_do((data ? data : w),
MATCH_SELECTED_AND_NOT,
proto_construct_dfilter_string(cfile.finfo_selected, cfile.edt));
}
void
prepare_selected_cb_or_ptree_not(GtkWidget *w, gpointer data)
{
if (cfile.finfo_selected)
match_selected_cb_do((data ? data : w),
MATCH_SELECTED_OR_NOT,
proto_construct_dfilter_string(cfile.finfo_selected, cfile.edt));
}
static gchar *
get_text_from_packet_list(gpointer data)
{
gint row = (gint)OBJECT_GET_DATA(data, E_MPACKET_LIST_ROW_KEY);
gint column = (gint)OBJECT_GET_DATA(data, E_MPACKET_LIST_COL_KEY);
frame_data *fdata = (frame_data *)packet_list_get_row_data(row);
epan_dissect_t *edt;
gchar *buf=NULL;
int len;
int err;
if (fdata != NULL) {
if (!wtap_seek_read(cfile.wth, fdata->file_off, &cfile.pseudo_header,
cfile.pd, fdata->cap_len, &err)) {
simple_dialog(ESD_TYPE_CRIT, NULL,
file_read_error_message(err), cfile.filename);
return NULL;
}
edt = epan_dissect_new(FALSE, FALSE);
epan_dissect_run(edt, &cfile.pseudo_header, cfile.pd, fdata,
&cfile.cinfo);
epan_dissect_fill_in_columns(edt);
if (strlen(cfile.cinfo.col_expr[column]) != 0 &&
strlen(cfile.cinfo.col_expr_val[column]) != 0) {
len = strlen(cfile.cinfo.col_expr[column]) +
strlen(cfile.cinfo.col_expr_val[column]) + 5;
buf = g_malloc0(len);
snprintf(buf, len, "%s == %s", cfile.cinfo.col_expr[column],
cfile.cinfo.col_expr_val[column]);
}
epan_dissect_free(edt);
}
return buf;
}
void
match_selected_cb_replace_plist(GtkWidget *w _U_, gpointer data)
{
match_selected_cb_do(data,
MATCH_SELECTED_REPLACE|MATCH_SELECTED_APPLY_NOW,
get_text_from_packet_list(data));
}
void
match_selected_cb_and_plist(GtkWidget *w _U_, gpointer data)
{
match_selected_cb_do(data,
MATCH_SELECTED_AND|MATCH_SELECTED_APPLY_NOW,
get_text_from_packet_list(data));
}
void
match_selected_cb_or_plist(GtkWidget *w _U_, gpointer data)
{
match_selected_cb_do(data,
MATCH_SELECTED_OR|MATCH_SELECTED_APPLY_NOW,
get_text_from_packet_list(data));
}
void
match_selected_cb_not_plist(GtkWidget *w _U_, gpointer data)
{
match_selected_cb_do(data,
MATCH_SELECTED_NOT|MATCH_SELECTED_APPLY_NOW,
get_text_from_packet_list(data));
}
void
match_selected_cb_and_plist_not(GtkWidget *w _U_, gpointer data)
{
match_selected_cb_do(data,
MATCH_SELECTED_AND_NOT|MATCH_SELECTED_APPLY_NOW,
get_text_from_packet_list(data));
}
void
match_selected_cb_or_plist_not(GtkWidget *w _U_, gpointer data)
{
match_selected_cb_do(data,
MATCH_SELECTED_OR_NOT|MATCH_SELECTED_APPLY_NOW,
get_text_from_packet_list(data));
}
void
prepare_selected_cb_replace_plist(GtkWidget *w _U_, gpointer data)
{
match_selected_cb_do(data,
MATCH_SELECTED_REPLACE,
get_text_from_packet_list(data));
}
void
prepare_selected_cb_and_plist(GtkWidget *w _U_, gpointer data)
{
match_selected_cb_do(data,
MATCH_SELECTED_AND,
get_text_from_packet_list(data));
}
void
prepare_selected_cb_or_plist(GtkWidget *w _U_, gpointer data)
{
match_selected_cb_do(data,
MATCH_SELECTED_OR,
get_text_from_packet_list(data));
}
void
prepare_selected_cb_not_plist(GtkWidget *w _U_, gpointer data)
{
match_selected_cb_do(data,
MATCH_SELECTED_NOT,
get_text_from_packet_list(data));
}
void
prepare_selected_cb_and_plist_not(GtkWidget *w _U_, gpointer data)
{
match_selected_cb_do(data,
MATCH_SELECTED_AND_NOT,
get_text_from_packet_list(data));
}
void
prepare_selected_cb_or_plist_not(GtkWidget *w _U_, gpointer data)
{
match_selected_cb_do(data,
MATCH_SELECTED_OR_NOT,
get_text_from_packet_list(data));
}
#define RECENT_FILE_NAME "recent"
/* Write out "recent" to the user's recent file, and return 0.
If we got an error, stuff a pointer to the path of the recent file
into "*pf_path_return", and return the errno. */
int
write_recent(char **rf_path_return)
{
char *rf_path;
FILE *rf;
/* To do:
* - Split output lines longer than MAX_VAL_LEN
* - Create a function for the preference directory check/creation
* so that duplication can be avoided with filter.c
*/
rf_path = get_persconffile_path(RECENT_FILE_NAME, TRUE);
if ((rf = fopen(rf_path, "w")) == NULL) {
*rf_path_return = rf_path;
return errno;
}
fputs("# Recent settings file for Ethereal " VERSION ".\n"
"#\n"
"# This file is regenerated each time Ethereal is quit.\n"
"# So be careful, if you want to make manual changes here.\n"
"\n"
"######## Recent capture files (latest first) ########\n"
"\n", rf);
menu_recent_file_write_all(rf);
fputs("\n"
"######## Recent display filters (latest last) ########\n"
"\n", rf);
dfilter_combo_write_all(rf);
fclose(rf);
/* XXX - catch I/O errors (e.g. "ran out of disk space") and return
an error indication, or maybe write to a new preferences file and
rename that file on top of the old one only if there are not I/O
errors. */
return 0;
}
/* set one user's recent file key/value pair */
static int
set_recent_pair(gchar *key, gchar *value)
{
if (strcmp(key, RECENT_KEY_CAPTURE_FILE) == 0) {
add_menu_recent_capture_file(value);
} else if (strcmp(key, RECENT_KEY_DISPLAY_FILTER) == 0) {
dfilter_combo_add_recent(value);
}
return PREFS_SET_OK;
}
/* opens the user's recent file and read it out */
void
read_recent(char **rf_path_return, int *rf_errno_return)
{
char *rf_path;
FILE *rf;
/* Construct the pathname of the user's recent file. */
rf_path = get_persconffile_path(RECENT_FILE_NAME, FALSE);
/* Read the user's recent file, if it exists. */
*rf_path_return = NULL;
if ((rf = fopen(rf_path, "r")) != NULL) {
/* We succeeded in opening it; read it. */
read_prefs_file(rf_path, rf, set_recent_pair);
/* set dfilter combobox to have one empty line at the current position */
dfilter_combo_add_recent("");
fclose(rf);
g_free(rf_path);
rf_path = NULL;
} else {
/* We failed to open it. If we failed for some reason other than
"it doesn't exist", return the errno and the pathname, so our
caller can report the error. */
if (errno != ENOENT) {
*rf_errno_return = errno;
*rf_path_return = rf_path;
}
}
}
static guint dfilter_combo_max_recent = 10;
/* add a display filter to the combo box */
/* Note: a new filter string will replace an old identical one */
static gboolean
dfilter_combo_add(GtkWidget *filter_cm, char *s) {
GList *li;
GList *filter_list = OBJECT_GET_DATA(filter_cm, E_DFILTER_FL_KEY);
/* 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. */
li = g_list_first(filter_list);
while (li) {
/* If the filter is already in the list, remove the old one and
* append the new one at the latest position (at g_list_append() below) */
if (li->data && strcmp(s, li->data) == 0) {
filter_list = g_list_remove(filter_list, li->data);
break;
}
li = li->next;
}
filter_list = g_list_append(filter_list, s);
OBJECT_SET_DATA(filter_cm, E_DFILTER_FL_KEY, filter_list);
gtk_combo_set_popdown_strings(GTK_COMBO(filter_cm), filter_list);
gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(filter_cm)->entry), g_list_last(filter_list)->data);
return TRUE;
}
/* write all non empty display filters (until maximum count)
* of the combo box GList to the user's recent file */
void
dfilter_combo_write_all(FILE *rf) {
GtkWidget *filter_cm = OBJECT_GET_DATA(top_level, E_DFILTER_CM_KEY);
GList *filter_list = OBJECT_GET_DATA(filter_cm, E_DFILTER_FL_KEY);
GList *li;
guint max_count = 0;
/* write all non empty display filter strings to the recent file (until max count) */
li = g_list_first(filter_list);
while ( li && (max_count++ <= dfilter_combo_max_recent) ) {
if (strlen(li->data)) {
fprintf (rf, RECENT_KEY_DISPLAY_FILTER ": %s\n", (char *)li->data);
}
li = li->next;
}
}
/* add a display filter coming from the user's recent file to the dfilter combo box */
gboolean
dfilter_combo_add_recent(gchar *s) {
GtkWidget *filter_cm = OBJECT_GET_DATA(top_level, E_DFILTER_CM_KEY);
char *dup;
dup = g_strdup(s);
if (!dfilter_combo_add(filter_cm, dup)) {
g_free(dup);
return FALSE;
}
return TRUE;
}
/* Run the current display filter on the current packet set, and
redisplay. */
static void
filter_activate_cb(GtkWidget *w, gpointer data)
{
GtkCombo *filter_cm = OBJECT_GET_DATA(w, E_DFILTER_CM_KEY);
GList *filter_list = OBJECT_GET_DATA(filter_cm, E_DFILTER_FL_KEY);
GList *li;
gboolean add_filter = TRUE;
gboolean free_filter = TRUE;
char *s;
g_assert(data);
s = g_strdup(gtk_entry_get_text(GTK_ENTRY(data)));
/* 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(&cfile, 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) {
free_filter = FALSE;
filter_list = g_list_append(filter_list, s);
OBJECT_SET_DATA(filter_cm, E_DFILTER_FL_KEY, filter_list);
gtk_combo_set_popdown_strings(filter_cm, filter_list);
gtk_entry_set_text(GTK_ENTRY(filter_cm->entry), g_list_last(filter_list)->data);
}
}
if (free_filter)
g_free(s);
}
/* redisplay with no display filter */
static void
filter_reset_cb(GtkWidget *w, gpointer data _U_)
{
GtkWidget *filter_te = NULL;
if ((filter_te = OBJECT_GET_DATA(w, E_DFILTER_TE_KEY))) {
gtk_entry_set_text(GTK_ENTRY(filter_te), "");
}
filter_packets(&cfile, NULL);
}
/* mark as reference time frame */
static void
set_frame_reftime(gboolean set, frame_data *frame, gint row) {
if (row == -1)
return;
if (set) {
frame->flags.ref_time=1;
} else {
frame->flags.ref_time=0;
}
reftime_packets(&cfile);
}
/* 0: toggle ref time status for the selected frame
* 1: find next ref time frame
* 2: find previous reftime frame
*/
void
reftime_frame_cb(GtkWidget *w _U_, gpointer data _U_, guint action)
{
switch(action){
case 0: /* toggle ref frame */
if (cfile.current_frame) {
/* XXX hum, should better have a "cfile->current_row" here ... */
set_frame_reftime(!cfile.current_frame->flags.ref_time,
cfile.current_frame,
packet_list_find_row_from_data(cfile.current_frame));
}
break;
case 1: /* find next ref frame */
find_previous_next_frame_with_filter("frame.ref_time", FALSE);
break;
case 2: /* find previous ref frame */
find_previous_next_frame_with_filter("frame.ref_time", TRUE);
break;
}
}
#if GTK_MAJOR_VERSION < 2
static void
tree_view_select_row_cb(GtkCTree *ctree, GList *node, gint column _U_,
gpointer user_data _U_)
#else
static void
tree_view_selection_changed_cb(GtkTreeSelection *sel, gpointer user_data _U_)
#endif
{
field_info *finfo;
gchar *help_str = NULL;
gchar len_str[2+10+1+5+1]; /* ", {N} bytes\0",
N < 4294967296 */
gboolean has_blurb = FALSE;
guint length = 0, byte_len;
GtkWidget *byte_view;
const guint8 *byte_data;
#if GTK_MAJOR_VERSION >= 2
GtkTreeModel *model;
GtkTreeIter iter;
#endif
#if GTK_MAJOR_VERSION >= 2
/* if nothing is selected */
if (!gtk_tree_selection_get_selected(sel, &model, &iter))
{
/*
* Which byte view is displaying the current protocol tree
* row's data?
*/
byte_view = get_notebook_bv_ptr(byte_nb_ptr);
if (byte_view == NULL)
return; /* none */
byte_data = get_byte_view_data_and_length(byte_view, &byte_len);
if (byte_data == NULL)
return; /* none */
unselect_field(&cfile);
packet_hex_print(GTK_TEXT_VIEW(byte_view), byte_data,
cfile.current_frame, NULL, byte_len);
return;
}
gtk_tree_model_get(model, &iter, 1, &finfo, -1);
#else
g_assert(node);
finfo = gtk_ctree_node_get_row_data( ctree, GTK_CTREE_NODE(node) );
#endif
if (!finfo) return;
set_notebook_page(byte_nb_ptr, finfo->ds_tvb);
byte_view = get_notebook_bv_ptr(byte_nb_ptr);
byte_data = get_byte_view_data_and_length(byte_view, &byte_len);
g_assert(byte_data != NULL);
cfile.finfo_selected = finfo;
set_menus_for_selected_tree_row(&cfile);
if (finfo->hfinfo) {
if (finfo->hfinfo->blurb != NULL &&
finfo->hfinfo->blurb[0] != '\0') {
has_blurb = TRUE;
length = strlen(finfo->hfinfo->blurb);
} else {
length = strlen(finfo->hfinfo->name);
}
if (finfo->length == 0) {
len_str[0] = '\0';
} else if (finfo->length == 1) {
strcpy (len_str, ", 1 byte");
} else {
snprintf (len_str, sizeof len_str, ", %d bytes", finfo->length);
}
statusbar_pop_field_msg(); /* get rid of current help msg */
if (length) {
length += strlen(finfo->hfinfo->abbrev) + strlen(len_str) + 10;
help_str = g_malloc(sizeof(gchar) * length);
sprintf(help_str, "%s (%s)%s",
(has_blurb) ? finfo->hfinfo->blurb : finfo->hfinfo->name,
finfo->hfinfo->abbrev, len_str);
statusbar_push_field_msg(help_str);
g_free(help_str);
} else {
/*
* Don't show anything if the field name is zero-length;
* the pseudo-field for "proto_tree_add_text()" is such
* a field, and we don't want "Text (text)" showing up
* on the status line if you've selected such a field.
*
* XXX - there are zero-length fields for which we *do*
* want to show the field name.
*
* XXX - perhaps the name and abbrev field should be null
* pointers rather than null strings for that pseudo-field,
* but we'd have to add checks for null pointers in some
* places if we did that.
*
* Or perhaps protocol tree items added with
* "proto_tree_add_text()" should have -1 as the field index,
* with no pseudo-field being used, but that might also
* require special checks for -1 to be added.
*/
statusbar_push_field_msg("");
}
}
#if GTK_MAJOR_VERSION < 2
packet_hex_print(GTK_TEXT(byte_view), byte_data, cfile.current_frame,
finfo, byte_len);
#else
packet_hex_print(GTK_TEXT_VIEW(byte_view), byte_data, cfile.current_frame,
finfo, byte_len);
#endif
}
#if GTK_MAJOR_VERSION < 2
static void
tree_view_unselect_row_cb(GtkCTree *ctree _U_, GList *node _U_, gint column _U_,
gpointer user_data _U_)
{
GtkWidget *byte_view;
const guint8 *data;
guint len;
/*
* Which byte view is displaying the current protocol tree
* row's data?
*/
byte_view = get_notebook_bv_ptr(byte_nb_ptr);
if (byte_view == NULL)
return; /* none */
data = get_byte_view_data_and_length(byte_view, &len);
if (data == NULL)
return; /* none */
unselect_field(&cfile);
packet_hex_print(GTK_TEXT(byte_view), data, cfile.current_frame,
NULL, len);
}
#endif
void collapse_all_cb(GtkWidget *widget _U_, gpointer data _U_) {
if (cfile.edt->tree)
collapse_all_tree(cfile.edt->tree, tree_view);
}
void expand_all_cb(GtkWidget *widget _U_, gpointer data _U_) {
if (cfile.edt->tree)
expand_all_tree(cfile.edt->tree, tree_view);
}
void resolve_name_cb(GtkWidget *widget _U_, gpointer data _U_) {
if (cfile.edt->tree) {
guint32 tmp = g_resolv_flags;
g_resolv_flags = RESOLV_ALL;
proto_tree_draw(cfile.edt->tree, tree_view);
g_resolv_flags = tmp;
}
}
/*
* Push a message referring to file access onto the statusbar.
*/
void
statusbar_push_file_msg(gchar *msg)
{
gtk_statusbar_push(GTK_STATUSBAR(info_bar), file_ctx, msg);
}
/*
* Pop a message referring to file access off the statusbar.
*/
void
statusbar_pop_file_msg(void)
{
gtk_statusbar_pop(GTK_STATUSBAR(info_bar), file_ctx);
}
/*
* XXX - do we need multiple statusbar contexts?
*/
/*
* Push a message referring to the currently-selected field onto the statusbar.
*/
void
statusbar_push_field_msg(gchar *msg)
{
gtk_statusbar_push(GTK_STATUSBAR(info_bar), help_ctx, msg);
}
/*
* Pop a message referring to the currently-selected field off the statusbar.
*/
void
statusbar_pop_field_msg(void)
{
gtk_statusbar_pop(GTK_STATUSBAR(info_bar), help_ctx);
}
static gboolean
do_quit(void)
{
gchar *rec_path;
/* write user's recent file to disk
* It is no problem to write this file, even if we do not quit */
write_recent(&rec_path);
/* XXX - should we check whether the capture file is an
unsaved temporary file for a live capture and, if so,
pop up a "do you want to exit without saving the capture
file?" dialog, and then just return, leaving said dialog
box to forcibly quit if the user clicks "OK"?
If so, note that this should be done in a subroutine that
returns TRUE if we do so, and FALSE otherwise, and if it
returns TRUE we should return TRUE without nuking anything.
Note that, if we do that, we might also want to check if
an "Update list of packets in real time" capture is in
progress and, if so, ask whether they want to terminate
the capture and discard it, and return TRUE, before nuking
any child capture, if they say they don't want to do so. */
#ifdef HAVE_LIBPCAP
/* Nuke any child capture in progress. */
kill_capture_child();
#endif
/* Are we in the middle of reading a capture? */
if (cfile.state == FILE_READ_IN_PROGRESS) {
/* Yes, so we can't just close the file and quit, as
that may yank the rug out from under the read in
progress; instead, just set the state to
"FILE_READ_ABORTED" and return - the code doing the read
will check for that and, if it sees that, will clean
up and quit. */
cfile.state = FILE_READ_ABORTED;
/* Say that the window should *not* be deleted;
that'll be done by the code that cleans up. */
return TRUE;
} else {
/* Close any capture file we have open; on some OSes, you
can't unlink a temporary capture file if you have it
open.
"cf_close()" will unlink it after closing it if
it's a temporary file.
We do this here, rather than after the main loop returns,
as, after the main loop returns, the main window may have
been destroyed (if this is called due to a "destroy"
even on the main window rather than due to the user
selecting a menu item), and there may be a crash
or other problem when "cf_close()" tries to
clean up stuff in the main window.
XXX - is there a better place to put this?
Or should we have a routine that *just* closes the
capture file, and doesn't do anything with the UI,
which we'd call here, and another routine that
calls that routine and also cleans up the UI, which
we'd call elsewhere? */
cf_close(&cfile);
/* Exit by leaving the main loop, so that any quit functions
we registered get called. */
gtk_main_quit();
/* Say that the window should be deleted. */
return FALSE;
}
}
static gboolean
main_window_delete_event_cb(GtkWidget *widget _U_, GdkEvent *event _U_, gpointer data _U_)
{
/* "do_quit()" indicates whether the main window should be deleted. */
return do_quit();
}
static gboolean
main_window_configure_event_cb(GtkWidget *widget, GdkEvent *event _U_, gpointer data _U_)
{
gint desk_x, desk_y;
/* Try to grab our geometry.
GTK+ provides two routines to get a window's position relative
to the X root window. If I understand the documentation correctly,
gdk_window_get_deskrelative_origin applies mainly to Enlightenment
and gdk_window_get_root_origin applies for all other WMs.
The code below tries both routines, and picks the one that returns
the upper-left-most coordinates.
More info at:
http://mail.gnome.org/archives/gtk-devel-list/2001-March/msg00289.html
http://www.gtk.org/faq/#AEN606
XXX - should we get this from the event itself? */
gdk_window_get_root_origin(widget->window, &root_x, &root_y);
if (gdk_window_get_deskrelative_origin(widget->window,
&desk_x, &desk_y)) {
if (desk_x <= root_x && desk_y <= root_y) {
root_x = desk_x;
root_y = desk_y;
}
}
/* XXX - Is this the "approved" method? */
gdk_window_get_size(widget->window, &top_width, &top_height);
updated_geometry = TRUE;
return FALSE;
}
void
file_quit_cmd_cb (GtkWidget *widget _U_, gpointer data _U_)
{
do_quit();
}
static void
print_usage(gboolean print_ver) {
if (print_ver) {
fprintf(stderr, "This is GNU " PACKAGE " " VERSION
#ifdef CVSVERSION
" (cvs " CVSVERSION ")"
#endif
"\n%s\n%s\n",
comp_info_str->str, runtime_info_str->str);
}
#ifdef HAVE_LIBPCAP
fprintf(stderr, "\n%s [ -vh ] [ -klLnpQS ] [ -a <capture autostop condition> ] ...\n",
PACKAGE);
fprintf(stderr, "\t[ -b <number of ringbuffer files>[:<duration>] ]\n");
fprintf(stderr, "\t[ -B <byte view height> ] [ -c <count> ] [ -f <capture filter> ]\n");
fprintf(stderr, "\t[ -i <interface> ] [ -m <medium font> ] [ -N <resolving> ]\n");
fprintf(stderr, "\t[ -o <preference setting> ] ... [ -P <packet list height> ]\n");
fprintf(stderr, "\t[ -r <infile> ] [ -R <read filter> ] [ -s <snaplen> ] \n");
fprintf(stderr, "\t[ -t <time stamp format> ] [ -T <tree view height> ]\n");
fprintf(stderr, "\t[ -w <savefile> ] [ -y <link type> ] [ -z <statistics string> ]\n");
fprintf(stderr, "\t[ <infile> ]\n");
#else
fprintf(stderr, "\n%s [ -vh ] [ -n ] [ -B <byte view height> ] [ -m <medium font> ]\n",
PACKAGE);
fprintf(stderr, "\t[ -N <resolving> ] [ -o <preference setting> ...\n");
fprintf(stderr, "\t[ -P <packet list height> ] [ -r <infile> ] [ -R <read filter> ]\n");
fprintf(stderr, "\t[ -t <time stamp format> ] [ -T <tree view height> ]\n");
fprintf(stderr, "\t[ -z <statistics string> ] [ <infile> ]\n");
#endif
}
static void
show_version(void)
{
#ifdef WIN32
create_console();
#endif
printf(PACKAGE " " VERSION
#ifdef CVSVERSION
" (cvs " CVSVERSION ")"
#endif
"\n%s\n%s\n",
comp_info_str->str, runtime_info_str->str);
}
static int
get_natural_int(const char *string, const char *name)
{
long number;
char *p;
number = strtol(string, &p, 10);
if (p == string || *p != '\0') {
fprintf(stderr, "ethereal: The specified %s \"%s\" is not a decimal number\n",
name, string);
exit(1);
}
if (number < 0) {
fprintf(stderr, "ethereal: The specified %s \"%s\" is a negative number\n",
name, string);
exit(1);
}
if (number > INT_MAX) {
fprintf(stderr, "ethereal: The specified %s \"%s\" is too large (greater than %d)\n",
name, string, INT_MAX);
exit(1);
}
return number;
}
static int
get_positive_int(const char *string, const char *name)
{
long number;
number = get_natural_int(string, name);
if (number == 0) {
fprintf(stderr, "ethereal: The specified %s is zero\n",
name);
exit(1);
}
return number;
}
#ifdef HAVE_LIBPCAP
/*
* Given a string of the form "<autostop criterion>:<value>", as might appear
* as an argument to a "-a" option, parse it and set the criterion in
* question. Return an indication of whether it succeeded or failed
* in some fashion.
*/
static gboolean
set_autostop_criterion(const char *autostoparg)
{
guchar *p, *colonp;
colonp = strchr(autostoparg, ':');
if (colonp == NULL)
return FALSE;
p = colonp;
*p++ = '\0';
/*
* Skip over any white space (there probably won't be any, but
* as we allow it in the preferences file, we might as well
* allow it here).
*/
while (isspace(*p))
p++;
if (*p == '\0') {
/*
* Put the colon back, so if our caller uses, in an
* error message, the string they passed us, the message
* looks correct.
*/
*colonp = ':';
return FALSE;
}
if (strcmp(autostoparg,"duration") == 0) {
capture_opts.has_autostop_duration = TRUE;
capture_opts.autostop_duration = get_positive_int(p,"autostop duration");
} else if (strcmp(autostoparg,"filesize") == 0) {
capture_opts.has_autostop_filesize = TRUE;
capture_opts.autostop_filesize = get_positive_int(p,"autostop filesize");
} else {
return FALSE;
}
*colonp = ':'; /* put the colon back */
return TRUE;
}
/*
* Given a string of the form "<ring buffer file>:<duration>", as might appear
* as an argument to a "-b" option, parse it and set the arguments in
* question. Return an indication of whether it succeeded or failed
* in some fashion.
*/
static gboolean
get_ring_arguments(const char *arg)
{
guchar *p = NULL, *colonp;
colonp = strchr(arg, ':');
if (colonp != NULL) {
p = colonp;
*p++ = '\0';
}
capture_opts.ringbuffer_num_files =
get_natural_int(arg, "number of ring buffer files");
if (colonp == NULL)
return TRUE;
/*
* Skip over any white space (there probably won't be any, but
* as we allow it in the preferences file, we might as well
* allow it here).
*/
while (isspace(*p))
p++;
if (*p == '\0') {
/*
* Put the colon back, so if our caller uses, in an
* error message, the string they passed us, the message
* looks correct.
*/
*colonp = ':';
return FALSE;
}
capture_opts.has_ring_duration = TRUE;
capture_opts.ringbuffer_duration = get_positive_int(p,
"ring buffer duration");
*colonp = ':'; /* put the colon back */
return TRUE;
}
#endif
#if defined WIN32 || GTK_MAJOR_VERSION < 2 || ! defined USE_THREADS
/*
Once every 3 seconds we get a callback here which we use to update
the tap extensions. Since Gtk1 is single threaded we dont have to
worry about any locking or critical regions.
*/
static gint
update_cb(gpointer data _U_)
{
draw_tap_listeners(FALSE);
return 1;
}
#else
/* if these three functions are copied to gtk1 ethereal, since gtk1 does not
use threads all updte_thread_mutex can be dropped and protect/unprotect
would just be empty functions.
This allows gtk2-rpcstat.c and friends to be copied unmodified to
gtk1-ethereal and it will just work.
*/
static GStaticMutex update_thread_mutex = G_STATIC_MUTEX_INIT;
gpointer
update_thread(gpointer data _U_)
{
while(1){
GTimeVal tv1, tv2;
g_get_current_time(&tv1);
g_static_mutex_lock(&update_thread_mutex);
gdk_threads_enter();
draw_tap_listeners(FALSE);
gdk_threads_leave();
g_static_mutex_unlock(&update_thread_mutex);
g_thread_yield();
g_get_current_time(&tv2);
if( ((tv1.tv_sec + 2) * 1000000 + tv1.tv_usec) >
(tv2.tv_sec * 1000000 + tv2.tv_usec) ){
g_usleep(((tv1.tv_sec + 2) * 1000000 + tv1.tv_usec) -
(tv2.tv_sec * 1000000 + tv2.tv_usec));
}
}
return NULL;
}
#endif
void
protect_thread_critical_region(void)
{
#if ! defined WIN32 && GTK_MAJOR_VERSION >= 2 && defined USE_THREADS
g_static_mutex_lock(&update_thread_mutex);
#endif
}
void
unprotect_thread_critical_region(void)
{
#if ! defined WIN32 && GTK_MAJOR_VERSION >= 2 && defined USE_THREADS
g_static_mutex_unlock(&update_thread_mutex);
#endif
}
/* structure to keep track of what tap listeners have been registered.
*/
typedef struct _ethereal_tap_list {
struct _ethereal_tap_list *next;
char *cmd;
void (*func)(char *arg);
} ethereal_tap_list;
static ethereal_tap_list *tap_list=NULL;
void
register_ethereal_tap(char *cmd, void (*func)(char *arg))
{
ethereal_tap_list *newtl;
newtl=malloc(sizeof(ethereal_tap_list));
newtl->next=tap_list;
tap_list=newtl;
newtl->cmd=cmd;
newtl->func=func;
}
/* 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;
int opt;
extern char *optarg;
gboolean arg_error = FALSE;
#ifdef WIN32
WSADATA wsaData;
#endif /* WIN32 */
char *rf_path;
int rf_open_errno;
char *gpf_path, *pf_path;
char *cf_path, *df_path;
char *gdp_path, *dp_path;
int gpf_open_errno, gpf_read_errno;
int pf_open_errno, pf_read_errno;
int cf_open_errno, df_open_errno;
int gdp_open_errno, gdp_read_errno;
int dp_open_errno, dp_read_errno;
int err;
#ifdef HAVE_LIBPCAP
gboolean start_capture = FALSE;
gchar *save_file = NULL;
GList *if_list;
if_info_t *if_info;
GList *lt_list, *lt_entry;
data_link_info_t *data_link_info;
gchar err_str[PCAP_ERRBUF_SIZE];
gboolean stats_known;
struct pcap_stat stats;
#else
gboolean capture_option_specified = FALSE;
#endif
gint pl_size = 280, tv_size = 95, bv_size = 75;
gchar *rc_file, *cf_name = NULL, *rfilter = NULL;
dfilter_t *rfcode = NULL;
gboolean rfilter_parse_failed = FALSE;
e_prefs *prefs;
char badopt;
#if GTK_MAJOR_VERSION < 2
char *bold_font_name;
#endif
gboolean prefs_write_needed = FALSE;
ethereal_tap_list *tli = NULL;
gchar *tap_opt = NULL;
#define OPTSTRING_INIT "a:b:B:c:f:hi:klLm:nN:o:pP:Qr:R:Ss:t:T:w:vy:z:"
#ifdef HAVE_LIBPCAP
#ifdef WIN32
#define OPTSTRING_CHILD "W:Z:"
#else
#define OPTSTRING_CHILD "W:"
#endif /* WIN32 */
#else
#define OPTSTRING_CHILD ""
#endif /* HAVE_LIBPCAP */
char optstring[sizeof(OPTSTRING_INIT) + sizeof(OPTSTRING_CHILD) - 1] =
OPTSTRING_INIT;
ethereal_path = argv[0];
#ifdef WIN32
/* Arrange that if we have no console window, and a GLib message logging
routine is called to log a message, we pop up a console window.
We do that by inserting our own handler for all messages logged
to the default domain; that handler pops up a console if necessary,
and then calls the default handler. */
g_log_set_handler(NULL,
G_LOG_LEVEL_ERROR|
G_LOG_LEVEL_CRITICAL|
G_LOG_LEVEL_WARNING|
G_LOG_LEVEL_MESSAGE|
G_LOG_LEVEL_INFO|
G_LOG_LEVEL_DEBUG|
G_LOG_FLAG_FATAL|G_LOG_FLAG_RECURSION,
console_log_handler, NULL);
#endif
#ifdef HAVE_LIBPCAP
command_name = get_basename(ethereal_path);
/* 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);
if (capture_child)
strcat(optstring, OPTSTRING_CHILD);
#endif
/* Register all dissectors; we must do this before checking for the
"-G" flag, as the "-G" flag dumps information registered by the
dissectors, and we must do it before we read the preferences, in
case any dissectors register preferences. */
epan_init(PLUGIN_DIR,register_all_protocols,register_all_protocol_handoffs);
/* Register all tap listeners; we do this before we parse the arguments,
as the "-z" argument can specify a registered tap. */
register_all_tap_listeners();
/* Now register the preferences for any non-dissector modules.
We must do that before we read the preferences as well. */
prefs_register_modules();
/* If invoked with the "-G" flag, we dump out information based on
the argument to the "-G" flag; if no argument is specified,
for backwards compatibility 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;
the first argument after the "-G" flag, if present, will be used
to specify the information to dump;
arguments after that will not be used. */
if (argc >= 2 && strcmp(argv[1], "-G") == 0) {
if (argc == 2)
proto_registrar_dump_fields();
else {
if (strcmp(argv[2], "fields") == 0)
proto_registrar_dump_fields();
else if (strcmp(argv[2], "protocols") == 0)
proto_registrar_dump_protocols();
else {
fprintf(stderr, "ethereal: Invalid \"%s\" option for -G flag\n",
argv[2]);
exit(1);
}
}
exit(0);
}
/* multithread support currently doesn't seem to work in win32 gtk2.0.6 */
#if ! defined WIN32 && GTK_MAJOR_VERSION >= 2 && defined G_THREADS_ENABLED && defined USE_THREADS
{
GThread *ut;
g_thread_init(NULL);
gdk_threads_init();
ut=g_thread_create(update_thread, NULL, FALSE, NULL);
g_thread_set_priority(ut, G_THREAD_PRIORITY_LOW);
}
#else /* WIN32 || GTK1.2 || !G_THREADS_ENABLED || !USE_THREADS */
/* this is to keep tap extensions updating once every 3 seconds */
gtk_timeout_add(3000, (GtkFunction)update_cb,(gpointer)NULL);
#endif /* !WIN32 && GTK2 && G_THREADS_ENABLED */
#if HAVE_GNU_ADNS
gtk_timeout_add(750, (GtkFunction) host_name_lookup_process, NULL);
#endif
/* Set the current locale according to the program environment.
* We haven't localized anything, but some GTK widgets are localized
* (the file selection dialogue, for example).
* This also sets the C-language locale to the native environment. */
gtk_set_locale();
/* Let GTK get its args */
gtk_init (&argc, &argv);
/* Read the preference files. */
prefs = read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
&pf_open_errno, &pf_read_errno, &pf_path);
#ifdef HAVE_LIBPCAP
capture_opts.has_snaplen = FALSE;
capture_opts.snaplen = MIN_PACKET_SIZE;
capture_opts.has_autostop_count = FALSE;
capture_opts.autostop_count = 1;
capture_opts.has_autostop_duration = FALSE;
capture_opts.autostop_duration = 1;
capture_opts.has_autostop_filesize = FALSE;
capture_opts.autostop_filesize = 1;
capture_opts.ringbuffer_on = FALSE;
capture_opts.ringbuffer_num_files = RINGBUFFER_MIN_NUM_FILES;
capture_opts.has_ring_duration = FALSE;
capture_opts.ringbuffer_duration = 1;
capture_opts.linktype = -1;
/* If this is a capture child process, it should pay no attention
to the "prefs.capture_prom_mode" setting in the preferences file;
it should do what the parent process tells it to do, and if
the parent process wants it not to run in promiscuous mode, it'll
tell it so with a "-p" flag.
Otherwise, set promiscuous mode from the preferences setting. */
if (capture_child)
capture_opts.promisc_mode = TRUE;
else
capture_opts.promisc_mode = prefs->capture_prom_mode;
/* Set "Update list of packets in real time" mode from the preferences
setting. */
capture_opts.sync_mode = prefs->capture_real_time;
/* And do the same for "Automatic scrolling in live capture" mode. */
auto_scroll_live = prefs->capture_auto_scroll;
#endif
/* Set the name resolution code's flags from the preferences. */
g_resolv_flags = prefs->name_resolve;
/* Read the capture filter file. */
read_filter_list(CFILTER_LIST, &cf_path, &cf_open_errno);
/* Read the display filter file. */
read_filter_list(DFILTER_LIST, &df_path, &df_open_errno);
/* Read the disabled protocols file. */
read_disabled_protos_list(&gdp_path, &gdp_open_errno, &gdp_read_errno,
&dp_path, &dp_open_errno, &dp_read_errno);
init_cap_file(&cfile);
#ifdef WIN32
/* Load wpcap if possible. Do this before collecting the run-time version information */
load_wpcap();
/* Start windows sockets */
WSAStartup( MAKEWORD( 1, 1 ), &wsaData );
#endif /* WIN32 */
/* Assemble the compile-time version information string */
comp_info_str = g_string_new("Compiled ");
g_string_append(comp_info_str, "with ");
g_string_sprintfa(comp_info_str,
#ifdef GTK_MAJOR_VERSION
"GTK+ %d.%d.%d", GTK_MAJOR_VERSION, GTK_MINOR_VERSION,
GTK_MICRO_VERSION);
#else
"GTK+ (version unknown)");
#endif
g_string_append(comp_info_str, ", ");
get_compiled_version_info(comp_info_str);
/* Assemble the run-time version information string */
runtime_info_str = g_string_new("Running ");
get_runtime_version_info(runtime_info_str);
/* Now get our args */
while ((opt = getopt(argc, argv, optstring)) != -1) {
switch (opt) {
case 'a': /* autostop criteria */
#ifdef HAVE_LIBPCAP
if (set_autostop_criterion(optarg) == FALSE) {
fprintf(stderr, "ethereal: Invalid or unknown -a flag \"%s\"\n", optarg);
exit(1);
}
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
case 'b': /* Ringbuffer option */
#ifdef HAVE_LIBPCAP
capture_opts.ringbuffer_on = TRUE;
if (get_ring_arguments(optarg) == FALSE) {
fprintf(stderr, "ethereal: Invalid or unknown -b arg \"%s\"\n", optarg);
exit(1);
}
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
case 'B': /* Byte view pane height */
bv_size = get_positive_int(optarg, "byte view pane height");
break;
case 'c': /* Capture xxx packets */
#ifdef HAVE_LIBPCAP
capture_opts.has_autostop_count = TRUE;
capture_opts.autostop_count = get_positive_int(optarg, "packet count");
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
case 'f':
#ifdef HAVE_LIBPCAP
if (cfile.cfilter)
g_free(cfile.cfilter);
cfile.cfilter = g_strdup(optarg);
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
case 'h': /* Print help and exit */
print_usage(TRUE);
exit(0);
break;
case 'i': /* Use interface xxx */
#ifdef HAVE_LIBPCAP
cfile.iface = g_strdup(optarg);
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
case 'k': /* Start capture immediately */
#ifdef HAVE_LIBPCAP
start_capture = TRUE;
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
case 'l': /* Automatic scrolling in live capture mode */
#ifdef HAVE_LIBPCAP
auto_scroll_live = TRUE;
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
case 'L': /* Print list of link-layer types and exit */
#ifdef HAVE_LIBPCAP
list_link_layer_types = TRUE;
break;
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
case 'm': /* Fixed-width font for the display */
if (prefs->gui_font_name != NULL)
g_free(prefs->gui_font_name);
prefs->gui_font_name = g_strdup(optarg);
break;
case 'n': /* No name resolution */
g_resolv_flags = RESOLV_NONE;
break;
case 'N': /* Select what types of addresses/port #s to resolve */
if (g_resolv_flags == RESOLV_ALL)
g_resolv_flags = RESOLV_NONE;
badopt = string_to_name_resolve(optarg, &g_resolv_flags);
if (badopt != '\0') {
fprintf(stderr, "ethereal: -N specifies unknown resolving option '%c'; valid options are 'm', 'n', and 't'\n",
badopt);
exit(1);
}
break;
case 'o': /* Override preference from command line */
switch (prefs_set_pref(optarg)) {
case PREFS_SET_SYNTAX_ERR:
fprintf(stderr, "ethereal: Invalid -o flag \"%s\"\n", optarg);
exit(1);
break;
case PREFS_SET_NO_SUCH_PREF:
case PREFS_SET_OBSOLETE:
fprintf(stderr, "ethereal: -o flag \"%s\" specifies unknown preference\n",
optarg);
exit(1);
break;
}
break;
case 'p': /* Don't capture in promiscuous mode */
#ifdef HAVE_LIBPCAP
capture_opts.promisc_mode = FALSE;
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
case 'P': /* Packet list pane height */
pl_size = get_positive_int(optarg, "packet list pane height");
break;
case 'Q': /* Quit after capture (just capture to file) */
#ifdef HAVE_LIBPCAP
quit_after_cap = 1;
start_capture = TRUE; /*** -Q implies -k !! ***/
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
case 'r': /* Read capture file xxx */
/* We may set "last_open_dir" to "cf_name", and if we change
"last_open_dir" later, we free the old value, so we have to
set "cf_name" to something that's been allocated. */
cf_name = g_strdup(optarg);
break;
case 'R': /* Read file filter */
rfilter = optarg;
break;
case 's': /* Set the snapshot (capture) length */
#ifdef HAVE_LIBPCAP
capture_opts.has_snaplen = TRUE;
capture_opts.snaplen = get_positive_int(optarg, "snapshot length");
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
case 'S': /* "Sync" mode: used for following file ala tail -f */
#ifdef HAVE_LIBPCAP
capture_opts.sync_mode = TRUE;
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
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, "ad") == 0)
timestamp_type = ABSOLUTE_WITH_DATE;
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, "\"ad\" for absolute with date, or \"d\" for delta.\n");
exit(1);
}
break;
case 'T': /* Tree view pane height */
tv_size = get_positive_int(optarg, "tree view pane height");
break;
case 'v': /* Show version and exit */
show_version();
#ifdef WIN32
if (console_was_created)
destroy_console();
#endif
exit(0);
break;
case 'w': /* Write to capture file xxx */
#ifdef HAVE_LIBPCAP
save_file = g_strdup(optarg);
#else
capture_option_specified = TRUE;
arg_error = TRUE;
#endif
break;
case 'y': /* Set the pcap data link type */
#ifdef HAVE_LIBPCAP
#ifdef HAVE_PCAP_DATALINK_NAME_TO_VAL
capture_opts.linktype = pcap_datalink_name_to_val(optarg);
if (capture_opts.linktype == -1) {
fprintf(stderr, "ethereal: The specified data link type \"%s\" is not valid\n",
optarg);
exit(1);
}
#else /* HAVE_PCAP_DATALINK_NAME_TO_VAL */
/* XXX - just treat it as a number */
capture_opts.linktype = get_natural_int(optarg, "data link type");
#endif /* HAVE_PCAP_DATALINK_NAME_TO_VAL */
#else /* HAVE_LIBPCAP */
capture_option_specified = TRUE;
arg_error = TRUE;
#endif /* HAVE_LIBPCAP */
break;
#ifdef HAVE_LIBPCAP
/* This is a hidden option supporting Sync mode, so we don't set
* the error flags for the user in the non-libpcap case.
*/
case 'W': /* Write to capture file FD xxx */
cfile.save_file_fd = atoi(optarg);
break;
#endif
case 'z':
for(tli=tap_list;tli;tli=tli->next){
if(!strncmp(tli->cmd,optarg,strlen(tli->cmd))){
tap_opt = g_strdup(optarg);
break;
}
}
if(!tli){
fprintf(stderr,"ethereal: invalid -z argument.\n");
fprintf(stderr," -z argument must be one of :\n");
for(tli=tap_list;tli;tli=tli->next){
fprintf(stderr," %s\n",tli->cmd);
}
exit(1);
}
break;
#ifdef _WIN32
#ifdef HAVE_LIBPCAP
/* Hidden option supporting Sync mode */
case 'Z': /* Write to pipe FD XXX */
/* associate stdout with pipe */
i = atoi(optarg);
if (dup2(i, 1) < 0) {
fprintf(stderr, "Unable to dup pipe handle\n");
exit(1);
}
break;
#endif /* HAVE_LIBPCAP */
#endif /* _WIN32 */
default:
case '?': /* Bad flag - print usage message */
arg_error = TRUE;
break;
}
}
argc -= optind;
argv += optind;
if (argc >= 1) {
if (cf_name != NULL) {
/*
* Input file name specified with "-r" *and* specified as a regular
* command-line argument.
*/
arg_error = TRUE;
} else {
/*
* Input file name not specified with "-r", and a command-line argument
* was specified; treat it as the input file name.
*
* Yes, this is different from tethereal, where non-flag command-line
* arguments are a filter, but this works better on GUI desktops
* where a command can be specified to be run to open a particular
* file - yes, you could have "-r" as the last part of the command,
* but that's a bit ugly.
*/
cf_name = g_strdup(argv[0]);
}
argc--;
argv++;
}
if (argc != 0) {
/*
* Extra command line arguments were specified; complain.
*/
fprintf(stderr, "Invalid argument: %s\n", argv[0]);
arg_error = TRUE;
}
#ifndef HAVE_LIBPCAP
if (capture_option_specified)
fprintf(stderr, "This version of Ethereal was not built with support for capturing packets.\n");
#endif
if (arg_error) {
print_usage(FALSE);
exit(1);
}
#ifdef HAVE_LIBPCAP
if (start_capture && list_link_layer_types) {
/* Specifying *both* is bogus. */
fprintf(stderr, "ethereal: You cannot specify both -L and a live capture.\n");
exit(1);
}
if (list_link_layer_types) {
/* We're supposed to list the link-layer types for an interface;
did the user also specify a capture file to be read? */
if (cf_name) {
/* Yes - that's bogus. */
fprintf(stderr, "ethereal: You cannot specify -L and a capture file to be read.\n");
exit(1);
}
/* No - did they specify a ring buffer option? */
if (capture_opts.ringbuffer_on) {
fprintf(stderr, "ethereal: Ring buffer requested, but a capture is not being done.\n");
exit(1);
}
} else {
/* We're supposed to do a live capture; did the user also specify
a capture file to be read? */
if (start_capture && cf_name) {
/* Yes - that's bogus. */
fprintf(stderr, "ethereal: You cannot specify both a live capture and a capture file to be read.\n");
exit(1);
}
/* No - was the ring buffer option specified and, if so, does it make
sense? */
if (capture_opts.ringbuffer_on) {
/* Ring buffer works only under certain conditions:
a) ring buffer does not work with temporary files;
b) sync_mode and capture_opts.ringbuffer_on are mutually exclusive -
sync_mode takes precedence;
c) it makes no sense to enable the ring buffer if the maximum
file size is set to "infinite". */
if (save_file == NULL) {
fprintf(stderr, "ethereal: Ring buffer requested, but capture isn't being saved to a permanent file.\n");
capture_opts.ringbuffer_on = FALSE;
}
if (capture_opts.sync_mode) {
fprintf(stderr, "ethereal: Ring buffer requested, but an \"Update list of packets in real time\" capture is being done.\n");
capture_opts.ringbuffer_on = FALSE;
}
if (!capture_opts.has_autostop_filesize) {
fprintf(stderr, "ethereal: Ring buffer requested, but no maximum capture file size was specified.\n");
capture_opts.ringbuffer_on = FALSE;
}
}
}
if (start_capture || list_link_layer_types) {
/* Did the user specify an interface to use? */
if (cfile.iface == NULL) {
/* No - is a default specified in the preferences file? */
if (prefs->capture_device != NULL) {
/* Yes - use it. */
cfile.iface = g_strdup(prefs->capture_device);
} else {
/* No - pick the first one from the list of interfaces. */
if_list = get_interface_list(&err, err_str);
if (if_list == NULL) {
switch (err) {
case CANT_GET_INTERFACE_LIST:
fprintf(stderr, "ethereal: Can't get list of interfaces: %s\n",
err_str);
break;
case NO_INTERFACES_FOUND:
fprintf(stderr, "ethereal: There are no interfaces on which a capture can be done\n");
break;
}
exit(2);
}
if_info = if_list->data; /* first interface */
cfile.iface = g_strdup(if_info->name);
free_interface_list(if_list);
}
}
}
if (capture_child) {
if (cfile.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);
}
}
if (list_link_layer_types) {
/* Get the list of link-layer types for the capture device. */
lt_list = get_pcap_linktype_list(cfile.iface, err_str);
if (lt_list == NULL) {
if (err_str[0] != '\0') {
fprintf(stderr, "ethereal: The list of data link types for the capture device could not be obtained (%s).\n"
"Please check to make sure you have sufficient permissions, and that\n"
"you have the proper interface or pipe specified.\n", err_str);
} else
fprintf(stderr, "ethereal: The capture device has no data link types.\n");
exit(2);
}
fprintf(stderr, "Data link types (use option -y to set):\n");
for (lt_entry = lt_list; lt_entry != NULL;
lt_entry = g_list_next(lt_entry)) {
data_link_info = lt_entry->data;
fprintf(stderr, " %s", data_link_info->name);
if (data_link_info->description != NULL)
fprintf(stderr, " (%s)", data_link_info->description);
else
fprintf(stderr, " (not supported)");
putchar('\n');
}
free_pcap_linktype_list(lt_list);
exit(0);
}
#endif
/* Notify all registered modules that have had any of their preferences
changed either from one of the preferences file or from the command
line that their preferences have changed. */
prefs_apply_all();
/* disabled protocols as per configuration file */
if (gdp_path == NULL && dp_path == NULL) {
set_disabled_protos_list();
}
/* Build the column format array */
col_setup(&cfile.cinfo, prefs->num_cols);
for (i = 0; i < cfile.cinfo.num_cols; i++) {
cfile.cinfo.col_fmt[i] = get_column_format(i);
cfile.cinfo.col_title[i] = g_strdup(get_column_title(i));
cfile.cinfo.fmt_matx[i] = (gboolean *) g_malloc0(sizeof(gboolean) *
NUM_COL_FMTS);
get_column_format_matches(cfile.cinfo.fmt_matx[i], cfile.cinfo.col_fmt[i]);
cfile.cinfo.col_data[i] = NULL;
if (cfile.cinfo.col_fmt[i] == COL_INFO)
cfile.cinfo.col_buf[i] = (gchar *) g_malloc(sizeof(gchar) * COL_MAX_INFO_LEN);
else
cfile.cinfo.col_buf[i] = (gchar *) g_malloc(sizeof(gchar) * COL_MAX_LEN);
cfile.cinfo.col_fence[i] = 0;
cfile.cinfo.col_expr[i] = (gchar *) g_malloc(sizeof(gchar) * COL_MAX_LEN);
cfile.cinfo.col_expr_val[i] = (gchar *) g_malloc(sizeof(gchar) * COL_MAX_LEN);
}
for (i = 0; i < cfile.cinfo.num_cols; i++) {
int j;
for (j = 0; j < NUM_COL_FMTS; j++) {
if (!cfile.cinfo.fmt_matx[i][j])
continue;
if (cfile.cinfo.col_first[j] == -1)
cfile.cinfo.col_first[j] = i;
cfile.cinfo.col_last[j] = i;
}
}
#ifdef HAVE_LIBPCAP
if (capture_opts.has_snaplen) {
if (capture_opts.snaplen < 1)
capture_opts.snaplen = WTAP_MAX_PACKET_SIZE;
else if (capture_opts.snaplen < MIN_PACKET_SIZE)
capture_opts.snaplen = MIN_PACKET_SIZE;
}
/* Check the value range of the ringbuffer_num_files parameter */
if (capture_opts.ringbuffer_num_files > RINGBUFFER_MAX_NUM_FILES)
capture_opts.ringbuffer_num_files = RINGBUFFER_MAX_NUM_FILES;
#if RINGBUFFER_MIN_NUM_FILES > 0
else if (capture_opts.ringbuffer_num_files < RINGBUFFER_MIN_NUM_FILES)
capture_opts.ringbuffer_num_files = RINGBUFFER_MIN_NUM_FILES;
#endif
#endif
rc_file = get_persconffile_path(RC_FILE, FALSE);
gtk_rc_parse(rc_file);
/* Try to load the regular and boldface fixed-width fonts */
#if GTK_MAJOR_VERSION < 2
bold_font_name = boldify(prefs->gui_font_name);
m_r_font = gdk_font_load(prefs->gui_font_name);
m_b_font = gdk_font_load(bold_font_name);
#else
m_r_font = pango_font_description_from_string(prefs->gui_font_name);
m_b_font = pango_font_description_copy(m_r_font);
pango_font_description_set_weight(m_b_font, PANGO_WEIGHT_BOLD);
#endif
if (m_r_font == NULL || m_b_font == NULL) {
/* XXX - pop this up as a dialog box? no */
if (m_r_font == NULL) {
#ifdef HAVE_LIBPCAP
if (!capture_child)
#endif
#if GTK_MAJOR_VERSION < 2
fprintf(stderr, "ethereal: Warning: font %s not found - defaulting to 6x13 and 6x13bold\n",
#else
fprintf(stderr, "ethereal: Warning: font %s not found - defaulting to Monospace 9\n",
#endif
prefs->gui_font_name);
} else {
#if GTK_MAJOR_VERSION < 2
gdk_font_unref(m_r_font);
#else
pango_font_description_free(m_r_font);
#endif
}
if (m_b_font == NULL) {
#ifdef HAVE_LIBPCAP
if (!capture_child)
#endif
#if GTK_MAJOR_VERSION < 2
fprintf(stderr, "ethereal: Warning: font %s not found - defaulting to 6x13 and 6x13bold\n",
bold_font_name);
#else
fprintf(stderr, "ethereal: Warning: bold font %s not found - defaulting"
" to Monospace 9\n", prefs->gui_font_name);
#endif
} else {
#if GTK_MAJOR_VERSION < 2
gdk_font_unref(m_b_font);
#else
pango_font_description_free(m_b_font);
#endif
}
#if GTK_MAJOR_VERSION < 2
g_free(bold_font_name);
if ((m_r_font = gdk_font_load("6x13")) == NULL) {
fprintf(stderr, "ethereal: Error: font 6x13 not found\n");
#else
if ((m_r_font = pango_font_description_from_string("Monospace 9")) == NULL)
{
fprintf(stderr, "ethereal: Error: font Monospace 9 not found\n");
#endif
exit(1);
}
#if GTK_MAJOR_VERSION < 2
if ((m_b_font = gdk_font_load("6x13bold")) == NULL) {
fprintf(stderr, "ethereal: Error: font 6x13bold not found\n");
#else
if ((m_b_font = pango_font_description_copy(m_r_font)) == NULL) {
fprintf(stderr, "ethereal: Error: font Monospace 9 bold not found\n");
#endif
exit(1);
}
g_free(prefs->gui_font_name);
#if GTK_MAJOR_VERSION < 2
prefs->gui_font_name = g_strdup("6x13");
#else
pango_font_description_set_weight(m_b_font, PANGO_WEIGHT_BOLD);
prefs->gui_font_name = g_strdup("Monospace 9");
#endif
}
/* Call this for the side-effects that set_fonts() produces */
set_fonts(m_r_font, m_b_font);
#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. */
create_main_window(pl_size, tv_size, bv_size, prefs);
/* Read the recent file, as we have the gui now ready for it. */
read_recent(&rf_path, &rf_open_errno);
colors_init();
colfilter_init();
/* 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)) {
simple_dialog(ESD_TYPE_CRIT, NULL, dfilter_error_msg);
rfilter_parse_failed = TRUE;
}
}
if (!rfilter_parse_failed) {
if ((err = cf_open(cf_name, FALSE, &cfile)) == 0) {
/* "cf_open()" succeeded, so it closed the previous
capture file, and thus destroyed any previous read filter
attached to "cf". */
cfile.rfcode = rfcode;
/* Open tap windows; we do so after creating the main window,
to avoid GTK warnings, and after successfully opening the
capture file, so we know we have something to tap. */
if (tap_opt && tli) {
(*tli->func)(tap_opt);
g_free(tap_opt);
}
/* Read the capture file. */
switch (cf_read(&cfile, &err)) {
case READ_SUCCESS:
case READ_ERROR:
/* Just because we got an error, that doesn't mean we were unable
to read any of the file; we handle what we could get from the
file. */
break;
case READ_ABORTED:
/* Exit now. */
gtk_exit(0);
break;
}
/* Save the name of the containing directory specified in the
path name, if any; we can write over cf_name, which is a
good thing, given that "get_dirname()" does write over its
argument. */
s = get_dirname(cf_name);
set_last_open_dir(s);
g_free(cf_name);
cf_name = NULL;
} else {
if (rfcode != NULL)
dfilter_free(rfcode);
cfile.rfcode = NULL;
}
}
}
#ifdef HAVE_LIBPCAP
}
#endif
/* If the global preferences file exists but we failed to open it
or had an error reading it, pop up an alert box; we defer that
until now, so that the alert box is more likely to come up on top of
the main window. */
if (gpf_path != NULL) {
if (gpf_open_errno != 0) {
simple_dialog(ESD_TYPE_WARN, NULL,
"Could not open global preferences file\n\"%s\": %s.", gpf_path,
strerror(gpf_open_errno));
}
if (gpf_read_errno != 0) {
simple_dialog(ESD_TYPE_WARN, NULL,
"I/O error reading global preferences file\n\"%s\": %s.", gpf_path,
strerror(gpf_read_errno));
}
}
/* If the user's preferences file exists but we failed to open it
or had an error reading it, pop up an alert box; we defer that
until now, so that the alert box is more likely to come up on top of
the main window. */
if (pf_path != NULL) {
if (pf_open_errno != 0) {
simple_dialog(ESD_TYPE_WARN, NULL,
"Could not open your preferences file\n\"%s\": %s.", pf_path,
strerror(pf_open_errno));
}
if (pf_read_errno != 0) {
simple_dialog(ESD_TYPE_WARN, NULL,
"I/O error reading your preferences file\n\"%s\": %s.", pf_path,
strerror(pf_read_errno));
}
g_free(pf_path);
pf_path = NULL;
}
/* If the user's capture filter file exists but we failed to open it,
pop up an alert box; we defer that until now, so that the alert
box is more likely to come up on top of the main window. */
if (cf_path != NULL) {
simple_dialog(ESD_TYPE_WARN, NULL,
"Could not open your capture filter file\n\"%s\": %s.", cf_path,
strerror(cf_open_errno));
g_free(cf_path);
}
/* If the user's display filter file exists but we failed to open it,
pop up an alert box; we defer that until now, so that the alert
box is more likely to come up on top of the main window. */
if (df_path != NULL) {
simple_dialog(ESD_TYPE_WARN, NULL,
"Could not open your display filter file\n\"%s\": %s.", df_path,
strerror(df_open_errno));
g_free(df_path);
}
/* If the global disabled protocols file exists but we failed to open it,
or had an error reading it, pop up an alert box; we defer that until now,
so that the alert box is more likely to come up on top of the main
window. */
if (gdp_path != NULL) {
if (gdp_open_errno != 0) {
simple_dialog(ESD_TYPE_WARN, NULL,
"Could not open global disabled protocols file\n\"%s\": %s.",
gdp_path, strerror(gdp_open_errno));
}
if (gdp_read_errno != 0) {
simple_dialog(ESD_TYPE_WARN, NULL,
"I/O error reading global disabled protocols file\n\"%s\": %s.",
gdp_path, strerror(gdp_read_errno));
}
g_free(gdp_path);
}
/* If the user's disabled protocols file exists but we failed to open it,
or had an error reading it, pop up an alert box; we defer that until now,
so that the alert box is more likely to come up on top of the main
window. */
if (dp_path != NULL) {
if (dp_open_errno != 0) {
simple_dialog(ESD_TYPE_WARN, NULL,
"Could not open your disabled protocols file\n\"%s\": %s.", dp_path,
strerror(dp_open_errno));
}
if (dp_read_errno != 0) {
simple_dialog(ESD_TYPE_WARN, NULL,
"I/O error reading your disabled protocols file\n\"%s\": %s.", dp_path,
strerror(dp_read_errno));
}
g_free(dp_path);
}
#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()"). */
/* XXX - hand these stats to the parent process */
capture(&stats_known, &stats);
/* 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. */
if (do_capture(save_file)) {
/* The capture started. Open tap windows; we do so after creating
the main window, to avoid GTK warnings, and after starting the
capture, so we know we have something to tap. */
if (tap_opt && tli) {
(*tli->func)(tap_opt);
g_free(tap_opt);
}
}
if (save_file != NULL) {
/* Save the directory name for future file dialogs. */
s = get_dirname(save_file); /* Overwrites save_file */
set_last_open_dir(s);
g_free(save_file);
save_file = NULL;
}
}
else {
set_menus_for_capture_in_progress(FALSE);
}
}
if (!start_capture && (cfile.cfilter == NULL || strlen(cfile.cfilter) == 0)) {
if (cfile.cfilter) {
g_free(cfile.cfilter);
}
cfile.cfilter = g_strdup(get_conn_cfilter());
}
#else
set_menus_for_capture_in_progress(FALSE);
#endif
gtk_main();
/* If the last opened directory, or our geometry, has changed, save
whatever we're supposed to save. */
if (updated_last_open_dir || updated_geometry) {
/* Re-read our saved preferences. */
prefs = read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
&pf_open_errno, &pf_read_errno, &pf_path);
if (pf_path == NULL) {
/* We succeeded in reading the preferences. */
if (updated_last_open_dir) {
/* The pathname of the last directory in which we've opened
a file has changed. If it changed from what's in the
preferences file, and we're supposed to save it, update
the preference value and note that we will have to write
the preferences out. */
if (prefs->gui_fileopen_style == FO_STYLE_LAST_OPENED) {
/* Yes, we're supposed to save it.
Has a file been opened since Ethereal was started? */
if (last_open_dir != NULL) {
/* Yes. Is the most recently navigated-to directory
different from the saved directory? */
if (prefs->gui_fileopen_remembered_dir == NULL ||
strcmp(prefs->gui_fileopen_remembered_dir, last_open_dir) != 0) {
/* Yes. */
prefs->gui_fileopen_remembered_dir = last_open_dir;
prefs_write_needed = TRUE;
}
}
}
}
if (updated_geometry) {
/* We got a geometry update, in the form of a configure_notify
event, so the geometry has changed. If it changed from
what's in the preferences file, and we're supposed to save
the current values of the changed geometry item (position or
size), update the preference value and note that we will have
to write the preferences out.
XXX - should GUI stuff such as this be in a separate file? */
if (prefs->gui_geometry_save_position) {
if (prefs->gui_geometry_main_x != root_x) {
prefs->gui_geometry_main_x = root_x;
prefs_write_needed = TRUE;
}
if (prefs->gui_geometry_main_y != root_y) {
prefs->gui_geometry_main_y = root_y;
prefs_write_needed = TRUE;
}
}
if (prefs->gui_geometry_save_size) {
if (prefs->gui_geometry_main_width != top_width) {
prefs->gui_geometry_main_width = top_width;
prefs_write_needed = TRUE;
}
if (prefs->gui_geometry_main_height != top_height) {
prefs->gui_geometry_main_height = top_height;
prefs_write_needed = TRUE;
}
}
}
/* Save the preferences if we need to do so.
XXX - this doesn't save the preferences if you don't have a
preferences file. Forcibly writing a preferences file would
save the current settings even if you haven't changed them,
meaning that if the defaults change it won't affect you.
Perhaps we need to keep track of what the *user* has changed,
and only write out *those* preferences. */
if (prefs_write_needed) {
write_prefs(&pf_path);
}
} else {
/* We failed to read the preferences - silently ignore the
error. */
g_free(pf_path);
}
}
epan_cleanup();
g_free(rc_file);
#ifdef WIN32
/* Shutdown windows sockets */
WSACleanup();
/* For some unknown reason, the "atexit()" call in "create_console()"
doesn't arrange that "destroy_console()" be called when we exit,
so we call it here if a console was created. */
if (console_was_created)
destroy_console();
#endif
gtk_exit(0);
/* This isn't reached, but we need it to keep GCC from complaining
that "main()" returns without returning a value - it knows that
"exit()" never returns, but it doesn't know that "gtk_exit()"
doesn't, as GTK+ doesn't declare it with the attribute
"noreturn". */
return 0; /* not reached */
}
#ifdef WIN32
/* We build this as a GUI subsystem application on Win32, so
"WinMain()", not "main()", gets called.
Hack shamelessly stolen from the Win32 port of the GIMP. */
#ifdef __GNUC__
#define _stdcall __attribute__((stdcall))
#endif
int _stdcall
WinMain (struct HINSTANCE__ *hInstance,
struct HINSTANCE__ *hPrevInstance,
char *lpszCmdLine,
int nCmdShow)
{
has_no_console = TRUE;
return main (__argc, __argv);
}
/*
* If this application has no console window to which its standard output
* would go, create one.
*/
static void
create_console(void)
{
if (has_no_console) {
/* We have no console to which to print the version string, so
create one and make it the standard input, output, and error. */
if (!AllocConsole())
return; /* couldn't create console */
freopen("CONIN$", "r", stdin);
freopen("CONOUT$", "w", stdout);
freopen("CONOUT$", "w", stderr);
/* Well, we have a console now. */
has_no_console = FALSE;
console_was_created = TRUE;
/* Now register "destroy_console()" as a routine to be called just
before the application exits, so that we can destroy the console
after the user has typed a key (so that the console doesn't just
disappear out from under them, giving the user no chance to see
the message(s) we put in there). */
atexit(destroy_console);
}
}
static void
destroy_console(void)
{
printf("\n\nPress any key to exit\n");
_getch();
FreeConsole();
}
/* This routine should not be necessary, at least as I read the GLib
source code, as it looks as if GLib is, on Win32, *supposed* to
create a console window into which to display its output.
That doesn't happen, however. I suspect there's something completely
broken about that code in GLib-for-Win32, and that it may be related
to the breakage that forces us to just call "printf()" on the message
rather than passing the message on to "g_log_default_handler()"
(which is the routine that does the aforementioned non-functional
console window creation). */
static void
console_log_handler(const char *log_domain, GLogLevelFlags log_level,
const char *message, gpointer user_data)
{
create_console();
if (console_was_created) {
/* For some unknown reason, the above doesn't appear to actually cause
anything to be sent to the standard output, so we'll just splat the
message out directly, just to make sure it gets out. */
printf("%s\n", message);
} else
g_log_default_handler(log_domain, log_level, message, user_data);
}
#endif
#if GTK_MAJOR_VERSION < 2
/* Given a font name, construct the name of the next heavier version of
that font. */
#define XLFD_WEIGHT 3 /* index of the "weight" field */
/* Map from a given weight to the appropriate weight for the "bold"
version of a font.
XXX - the XLFD says these strings shouldn't be used for font matching;
can we get the weight, as a number, from GDK, and ask GDK to find us
a font just like the given font, but with the appropriate higher
weight? */
static const struct {
char *light;
char *heavier;
} weight_map[] = {
{ "ultralight", "light" },
{ "extralight", "semilight" },
{ "light", "medium" },
{ "semilight", "semibold" },
{ "medium", "bold" },
{ "normal", "bold" },
{ "semibold", "extrabold" },
{ "bold", "ultrabold" }
};
#define N_WEIGHTS (sizeof weight_map / sizeof weight_map[0])
char *
boldify(const char *font_name)
{
char *bold_font_name;
gchar **xlfd_tokens;
unsigned int i;
/* Is this an XLFD font? If it begins with "-", yes, otherwise no. */
if (font_name[0] == '-') {
xlfd_tokens = g_strsplit(font_name, "-", XLFD_WEIGHT+1);
/*
* Make sure we *have* a weight (this might not be a valid
* XLFD font name).
*/
for (i = 0; i < XLFD_WEIGHT+1; i++) {
if (xlfd_tokens[i] == NULL) {
/*
* We don't, so treat this as a non-XLFD
* font name.
*/
goto not_xlfd;
}
}
for (i = 0; i < N_WEIGHTS; i++) {
if (strcmp(xlfd_tokens[XLFD_WEIGHT],
weight_map[i].light) == 0) {
g_free(xlfd_tokens[XLFD_WEIGHT]);
xlfd_tokens[XLFD_WEIGHT] =
g_strdup(weight_map[i].heavier);
break;
}
}
bold_font_name = g_strjoinv("-", xlfd_tokens);
g_strfreev(xlfd_tokens);
return bold_font_name;
}
not_xlfd:
/*
* This isn't an XLFD font name; just append "bold" to the name
* of the font.
*/
bold_font_name = g_strconcat(font_name, "bold", NULL);
return bold_font_name;
}
#endif
static void
create_main_window (gint pl_size, gint tv_size, gint bv_size, e_prefs *prefs)
{
GtkWidget *main_vbox, *menubar, *u_pane, *l_pane,
*stat_hbox,
*filter_bt, *filter_cm, *filter_te,
*filter_apply,
*filter_reset;
GList *filter_list = NULL;
GtkAccelGroup *accel;
/* Display filter construct dialog has an Apply button, and "OK" not
only sets our text widget, it activates it (i.e., it causes us to
filter the capture). */
static construct_args_t args = {
"Ethereal: Display Filter",
TRUE,
TRUE
};
/* Main window */
top_level = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_widget_set_name(top_level, "main window");
SIGNAL_CONNECT(top_level, "delete_event", main_window_delete_event_cb,
NULL);
SIGNAL_CONNECT(top_level, "realize", window_icon_realize_cb, NULL);
gtk_window_set_title(GTK_WINDOW(top_level), "The Ethereal Network Analyzer");
if (prefs->gui_geometry_save_position) {
gtk_widget_set_uposition(GTK_WIDGET(top_level),
prefs->gui_geometry_main_x,
prefs->gui_geometry_main_y);
}
if (prefs->gui_geometry_save_size) {
WIDGET_SET_SIZE(top_level, prefs->gui_geometry_main_width,
prefs->gui_geometry_main_height);
} else {
WIDGET_SET_SIZE(top_level, DEF_WIDTH, -1);
}
gtk_window_set_policy(GTK_WINDOW(top_level), TRUE, TRUE, FALSE);
SIGNAL_CONNECT(top_level, "configure_event", main_window_configure_event_cb,
NULL);
/* Container for menu bar, toolbar(s), 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(top_level), main_vbox);
gtk_widget_show(main_vbox);
/* Menu bar */
get_main_menu(&menubar, &accel);
gtk_window_add_accel_group(GTK_WINDOW(top_level), accel);
gtk_box_pack_start(GTK_BOX(main_vbox), menubar, FALSE, TRUE, 0);
gtk_widget_show(menubar);
/* Main Toolbar */
create_toolbar(main_vbox);
/* 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(l_pane);
gtk_paned_add2(GTK_PANED(u_pane), l_pane);
gtk_widget_show(u_pane);
/* Packet list */
packet_list_new(u_pane, prefs, pl_size);
/* Tree view */
#if GTK_MAJOR_VERSION < 2
item_style = gtk_style_new();
gdk_font_unref(item_style->font);
item_style->font = m_r_font;
#endif
create_tree_view(tv_size, prefs, l_pane, &tv_scrollw, &tree_view);
#if GTK_MAJOR_VERSION < 2
SIGNAL_CONNECT(tree_view, "tree-select-row", tree_view_select_row_cb, NULL);
SIGNAL_CONNECT(tree_view, "tree-unselect-row", tree_view_unselect_row_cb,
NULL);
#else
SIGNAL_CONNECT(gtk_tree_view_get_selection(GTK_TREE_VIEW(tree_view)),
"changed", tree_view_selection_changed_cb, NULL);
#endif
SIGNAL_CONNECT(tree_view, "button_press_event", popup_menu_handler,
OBJECT_GET_DATA(popup_menu_object, PM_TREE_VIEW_KEY));
gtk_widget_show(tree_view);
/* Byte view. */
byte_nb_ptr = create_byte_view(bv_size, l_pane);
SIGNAL_CONNECT(byte_nb_ptr, "button_press_event", popup_menu_handler,
OBJECT_GET_DATA(popup_menu_object, PM_HEXDUMP_KEY));
/* 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);
filter_bt = gtk_button_new_with_label("Filter:");
SIGNAL_CONNECT(filter_bt, "clicked", display_filter_construct_cb, &args);
gtk_box_pack_start(GTK_BOX(stat_hbox), filter_bt, FALSE, TRUE, 0);
gtk_widget_show(filter_bt);
OBJECT_SET_DATA(top_level, E_FILT_BT_PTR_KEY, 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));
gtk_combo_set_case_sensitive(GTK_COMBO(filter_cm), TRUE);
OBJECT_SET_DATA(filter_cm, E_DFILTER_FL_KEY, filter_list);
filter_te = GTK_COMBO(filter_cm)->entry;
main_display_filter_widget=filter_te;
OBJECT_SET_DATA(filter_bt, E_FILT_TE_PTR_KEY, filter_te);
OBJECT_SET_DATA(filter_te, E_DFILTER_CM_KEY, filter_cm);
OBJECT_SET_DATA(top_level, E_DFILTER_CM_KEY, filter_cm);
gtk_box_pack_start(GTK_BOX(stat_hbox), filter_cm, TRUE, TRUE, 3);
SIGNAL_CONNECT(filter_te, "activate", filter_activate_cb, filter_te);
gtk_widget_show(filter_cm);
filter_reset = BUTTON_NEW_FROM_STOCK(GTK_STOCK_CLEAR);
OBJECT_SET_DATA(filter_reset, E_DFILTER_TE_KEY, filter_te);
SIGNAL_CONNECT(filter_reset, "clicked", filter_reset_cb, NULL);
gtk_box_pack_start(GTK_BOX(stat_hbox), filter_reset, FALSE, TRUE, 1);
gtk_widget_show(filter_reset);
filter_apply = BUTTON_NEW_FROM_STOCK(GTK_STOCK_APPLY);
OBJECT_SET_DATA(filter_apply, E_DFILTER_CM_KEY, filter_cm);
SIGNAL_CONNECT(filter_apply, "clicked", filter_activate_cb, filter_te);
gtk_box_pack_start(GTK_BOX(stat_hbox), filter_apply, FALSE, TRUE, 1);
gtk_widget_show(filter_apply);
/* 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("/Analyze/Display Filters...", E_FILT_TE_PTR_KEY,
filter_te);
set_menu_object_data("/Analyze/Follow TCP Stream", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Match/Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Match/Not Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Match/And Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Match/Or Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Match/And Not Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Match/Or Not Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Prepare/Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Prepare/Not Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Prepare/And Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Prepare/Or Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Prepare/And Not Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Prepare/Or Not Selected", E_DFILTER_TE_KEY,
filter_te);
set_toolbar_object_data(E_DFILTER_TE_KEY, filter_te);
OBJECT_SET_DATA(popup_menu_object, E_DFILTER_TE_KEY, filter_te);
OBJECT_SET_DATA(popup_menu_object, E_MPACKET_LIST_KEY, packet_list);
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");
help_ctx = gtk_statusbar_get_context_id(GTK_STATUSBAR(info_bar), "help");
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);
gtk_widget_show(top_level);
/* Fill in column titles. This must be done after the top level window
is displayed.
XXX - is that still true, with fixed-width columns? */
packet_list_set_column_titles();
}
void
set_last_open_dir(char *dirname)
{
int len;
gchar *new_last_open_dir;
if (dirname) {
len = strlen(dirname);
if (dirname[len-1] == G_DIR_SEPARATOR) {
new_last_open_dir = g_strconcat(dirname, NULL);
}
else {
new_last_open_dir = g_strconcat(dirname,
G_DIR_SEPARATOR_S, NULL);
}
if (last_open_dir == NULL ||
strcmp(last_open_dir, new_last_open_dir) != 0)
updated_last_open_dir = TRUE;
}
else {
new_last_open_dir = NULL;
if (last_open_dir != NULL)
updated_last_open_dir = TRUE;
}
if (last_open_dir) {
g_free(last_open_dir);
}
last_open_dir = new_last_open_dir;
}
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