forked from osmocom/wireshark
369 lines
13 KiB
C
369 lines
13 KiB
C
/* main_filter_toolbar.c
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* The filter toolbar
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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* This file implements the "filter" toolbar for Wireshark.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <gtk/gtk.h>
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#include "filter_dlg.h"
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#include "filter_autocomplete.h"
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#include "epan/prefs.h"
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#include "keys.h"
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#include "gtkglobals.h"
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#include "stock_icons.h"
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#include "recent.h"
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#include "main.h"
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#include "menus.h"
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#include "main_toolbar.h"
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#include "main_filter_toolbar.h"
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GtkWidget *main_display_filter_widget=NULL;
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/* Run the current display filter on the current packet set, and
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redisplay. */
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static void
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filter_activate_cb(GtkWidget *w _U_, gpointer data)
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{
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const char *s;
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s = gtk_entry_get_text(GTK_ENTRY(data));
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main_filter_packets(&cfile, s, FALSE);
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}
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/* redisplay with no display filter */
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static void
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filter_reset_cb(GtkWidget *w, gpointer data _U_)
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{
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GtkWidget *filter_te = NULL;
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if ((filter_te = g_object_get_data(G_OBJECT(w), E_DFILTER_TE_KEY))) {
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gtk_entry_set_text(GTK_ENTRY(filter_te), "");
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}
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main_filter_packets(&cfile, NULL, FALSE);
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}
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GtkWidget *filter_toolbar_new(void)
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{
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GtkWidget *filter_cm;
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GtkWidget *filter_te;
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GtkWidget *filter_tb;
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GtkTooltips *tooltips;
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GtkToolItem *filter_bt, *filter_add_expr_bt, *filter_reset;
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GtkToolItem *filter_apply, *item;
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/* Display filter construct dialog has an Apply button, and "OK" not
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only sets our text widget, it activates it (i.e., it causes us to
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filter the capture). */
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static construct_args_t args = {
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"Wireshark: Display Filter",
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TRUE,
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TRUE,
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FALSE
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};
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tooltips = gtk_tooltips_new();
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/* filter toolbar */
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filter_tb = gtk_toolbar_new();
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gtk_toolbar_set_orientation(GTK_TOOLBAR(filter_tb),
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GTK_ORIENTATION_HORIZONTAL);
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g_object_set_data(G_OBJECT(top_level), E_TB_FILTER_KEY, filter_tb);
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gtk_widget_show(filter_tb);
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/* Create the "Filter:" button */
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filter_bt = gtk_tool_button_new_from_stock (WIRESHARK_STOCK_DISPLAY_FILTER_ENTRY);
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g_signal_connect(filter_bt, "clicked", G_CALLBACK(display_filter_construct_cb), &args);
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gtk_widget_show(GTK_WIDGET (filter_bt));
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g_object_set_data(G_OBJECT(top_level), E_FILT_BT_PTR_KEY, filter_bt);
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gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
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filter_bt,
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-1);
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gtk_tooltips_set_tip(GTK_TOOLTIPS(tooltips), GTK_WIDGET(filter_bt),
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"Open the \"Display Filter\" dialog, to edit/apply filters",
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"Private");
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/* Create the filter combobox */
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filter_cm = gtk_combo_box_entry_new_text ();
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filter_te = gtk_bin_get_child(GTK_BIN(filter_cm));
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main_display_filter_widget=filter_te;
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g_object_set_data(G_OBJECT(filter_bt), E_FILT_TE_PTR_KEY, filter_te);
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g_object_set_data(G_OBJECT(filter_te), E_DFILTER_CM_KEY, filter_cm);
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g_object_set_data(G_OBJECT(top_level), E_DFILTER_CM_KEY, filter_cm);
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g_signal_connect(filter_te, "activate", G_CALLBACK(filter_activate_cb), filter_te);
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g_signal_connect(filter_te, "changed", G_CALLBACK(filter_te_syntax_check_cb), NULL);
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g_object_set_data(G_OBJECT(filter_tb), E_FILT_AUTOCOMP_PTR_KEY, NULL);
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g_object_set_data(G_OBJECT(filter_te), E_FILT_FIELD_USE_STATUSBAR_KEY, "");
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g_signal_connect(filter_te, "key-press-event", G_CALLBACK (filter_string_te_key_pressed_cb), NULL);
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g_signal_connect(filter_tb, "key-press-event", G_CALLBACK (filter_parent_dlg_key_pressed_cb), NULL);
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gtk_widget_set_size_request(filter_cm, 400, -1);
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gtk_widget_show(filter_cm);
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item = gtk_tool_item_new ();
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gtk_container_add (GTK_CONTAINER (item), filter_cm);
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gtk_widget_show (GTK_WIDGET (item));
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gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
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item,
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-1);
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/* setting a tooltip for a combobox will do nothing, so add it to the corresponding text entry */
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gtk_tooltips_set_tip(tooltips, filter_cm,
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"Enter a display filter, or choose one of your recently used filters. "
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"The background color of this field is changed by a continuous syntax check "
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"(green is valid, red is invalid, yellow may have unexpected results).",
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NULL);
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/* Create the "Add Expression..." button, to pop up a dialog
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for constructing filter comparison expressions. */
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filter_add_expr_bt = gtk_tool_button_new_from_stock(WIRESHARK_STOCK_ADD_EXPRESSION);
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g_object_set_data(G_OBJECT(filter_tb), E_FILT_FILTER_TE_KEY, filter_te);
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g_signal_connect(filter_add_expr_bt, "clicked", G_CALLBACK(filter_add_expr_bt_cb), filter_tb);
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gtk_widget_show(GTK_WIDGET(filter_add_expr_bt));
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gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
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filter_add_expr_bt,
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-1);
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gtk_tooltips_set_tip(GTK_TOOLTIPS(tooltips), GTK_WIDGET(filter_add_expr_bt),
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"Add an expression to this filter string",
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"Private");
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/* Create the "Clear" button */
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filter_reset = gtk_tool_button_new_from_stock(WIRESHARK_STOCK_CLEAR_EXPRESSION);
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g_object_set_data(G_OBJECT(filter_reset), E_DFILTER_TE_KEY, filter_te);
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g_signal_connect(filter_reset, "clicked", G_CALLBACK(filter_reset_cb), NULL);
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gtk_widget_show(GTK_WIDGET(filter_reset));
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gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
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filter_reset,
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-1);
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gtk_tooltips_set_tip(GTK_TOOLTIPS(tooltips), GTK_WIDGET(filter_reset),
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"Clear this filter string and update the display",
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"Private");
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/* Create the "Apply" button */
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filter_apply = gtk_tool_button_new_from_stock(WIRESHARK_STOCK_APPLY_EXPRESSION);
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g_object_set_data(G_OBJECT(filter_apply), E_DFILTER_CM_KEY, filter_cm);
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g_signal_connect(filter_apply, "clicked", G_CALLBACK(filter_activate_cb), filter_te);
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gtk_widget_show(GTK_WIDGET(filter_apply));
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gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
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filter_apply,
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-1);
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gtk_tooltips_set_tip(GTK_TOOLTIPS(tooltips), GTK_WIDGET(filter_apply),
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"Apply this filter string to the display",
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"Private");
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/* Sets the text entry widget pointer as the E_DILTER_TE_KEY data
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* of any widget that ends up calling a callback which needs
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* that text entry pointer */
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set_menu_object_data("/File/Open...", E_DFILTER_TE_KEY, filter_te);
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set_menu_object_data("/Edit/Copy/As Filter", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Display Filters...", E_FILT_TE_PTR_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Follow TCP Stream", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Follow UDP Stream", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Follow SSL Stream", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Apply as Filter/Selected", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Apply as Filter/Not Selected", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Apply as Filter/... and Selected", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Apply as Filter/... or Selected", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Apply as Filter/... and not Selected", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Apply as Filter/... or not Selected", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Prepare a Filter/Selected", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Prepare a Filter/Not Selected", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Prepare a Filter/... and Selected", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Prepare a Filter/... or Selected", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Prepare a Filter/... and not Selected", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Analyze/Prepare a Filter/... or not Selected", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Conversation Filter/Ethernet", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Conversation Filter/IP", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Conversation Filter/TCP", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Conversation Filter/UDP", E_DFILTER_TE_KEY,
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filter_te);
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set_menu_object_data("/Conversation Filter/PN-CBA Server", E_DFILTER_TE_KEY,
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filter_te);
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set_toolbar_object_data(E_DFILTER_TE_KEY, filter_te);
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g_object_set_data(G_OBJECT(popup_menu_object), E_DFILTER_TE_KEY, filter_te);
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/* make current preferences effective */
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toolbar_redraw_all();
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return filter_tb;
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}
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static gboolean
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dfilter_entry_match(GtkWidget *filter_cm, char *s, int *index)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX(filter_cm));
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GtkTreeIter iter;
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GValue value = { 0, {{0}}};
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const char *filter_str;
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int i;
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i = -1;
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if (!gtk_tree_model_get_iter_first (model, &iter)){
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*index = i;
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return FALSE;
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}
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do{
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i++;
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gtk_tree_model_get_value (model, &iter, 0, &value);
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filter_str = g_value_get_string (&value);
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if(filter_str){
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if(strcmp(s, filter_str) == 0){
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g_value_unset (&value);
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*index = i;
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return TRUE;
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}
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}
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g_value_unset (&value);
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}while (gtk_tree_model_iter_next (model, &iter));
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*index = i;
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return FALSE;
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}
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/* add a display filter to the combo box */
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/* Note: a new filter string will not replace an old identical one */
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static gboolean
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dfilter_combo_add(GtkWidget *filter_cm, char *s) {
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int index;
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if(!dfilter_entry_match(filter_cm,s, &index))
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gtk_combo_box_append_text(GTK_COMBO_BOX(filter_cm), s);
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g_free(s);
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return TRUE;
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}
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/* write all non empty display filters (until maximum count)
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* of the combo box GList to the user's recent file */
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void
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dfilter_recent_combo_write_all(FILE *rf) {
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GtkWidget *filter_cm = g_object_get_data(G_OBJECT(top_level), E_DFILTER_CM_KEY);
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GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX(filter_cm));
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GtkTreeIter iter;
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GValue value = { 0, {{0}}};
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const char *filter_str;
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guint max_count = 0;
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if (!gtk_tree_model_get_iter_first (model, &iter))
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return;
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do{
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gtk_tree_model_get_value (model, &iter, 0, &value);
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filter_str = g_value_get_string (&value);
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if(filter_str)
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fprintf (rf, RECENT_KEY_DISPLAY_FILTER ": %s\n", filter_str);
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g_value_unset (&value);
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}while (gtk_tree_model_iter_next (model, &iter)&& (max_count++ < prefs.gui_recent_df_entries_max));
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}
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/* add a display filter coming from the user's recent file to the dfilter combo box */
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gboolean
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dfilter_combo_add_recent(gchar *s) {
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GtkWidget *filter_cm = g_object_get_data(G_OBJECT(top_level), E_DFILTER_CM_KEY);
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char *dup;
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dup = g_strdup(s);
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return dfilter_combo_add(filter_cm, dup);
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}
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/* call cf_filter_packets() and add this filter string to the recent filter list */
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gboolean
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main_filter_packets(capture_file *cf, const gchar *dftext, gboolean force)
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{
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GtkWidget *filter_cm = g_object_get_data(G_OBJECT(top_level), E_DFILTER_CM_KEY);
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gboolean free_filter = TRUE;
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char *s;
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cf_status_t cf_status;
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s = g_strdup(dftext);
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cf_status = cf_filter_packets(cf, s, force);
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if (!s)
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return (cf_status == CF_OK);
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/* GtkCombos don't let us get at their list contents easily, so we maintain
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our own filter list, and feed it to gtk_combo_set_popdown_strings when
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a new filter is added. */
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if (cf_status == CF_OK && strlen(s) > 0) {
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int index;
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if(!dfilter_entry_match(filter_cm,s, &index)){
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gtk_combo_box_prepend_text(GTK_COMBO_BOX(filter_cm), s);
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index++;
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}
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while ((guint)index >= prefs.gui_recent_df_entries_max){
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gtk_combo_box_remove_text(GTK_COMBO_BOX(filter_cm), index);
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index--;
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}
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}
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if (free_filter)
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g_free(s);
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return (cf_status == CF_OK);
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}
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