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wireshark/ui/gtk/main_filter_toolbar.c

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/* main_filter_toolbar.c
* The filter toolbar
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* This file implements the "filter" toolbar for Wireshark.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "ui/recent.h"
#include "ui/recent_utils.h"
#include "ui/gtk/old-gtk-compat.h"
#include "filter_dlg.h"
#include "filter_autocomplete.h"
#include "epan/prefs.h"
#include "epan/plugin_if.h"
#include "keys.h"
#include "gtkglobals.h"
#include "stock_icons.h"
#include "main.h"
#include "menus.h"
#include "main_toolbar.h"
#include "main_filter_toolbar.h"
#include "filter_expression_save_dlg.h"
#include "globals.h"
#define MENU_BAR_PATH_FILE_OPEN "/Menubar/FileMenu/Open"
#define MENU_BAR_PATH_EDIT_COPY_AS_FLT "/Menubar/EditMenu/Copy/AsFilter"
#define MENU_BAR_PATH_ANALYZE_DISPLAY_FLT "/Menubar/AnalyzeMenu/DisplayFilters"
#define MENU_BAR_PATH_ANALYZE_FOLLOW_TCP_STREAM "/Menubar/AnalyzeMenu/FollowTCPStream"
#define MENU_BAR_PATH_ANALYZE_FOLLOW_UDP_STREAM "/Menubar/AnalyzeMenu/FollowUDPStream"
#define MENU_BAR_PATH_ANALYZE_FOLLOW_SSL_STREAM "/Menubar/AnalyzeMenu/FollowSSLStream"
#define MENU_BAR_PATH_ANALYZE_APL_AS_FLT_SEL "/Menubar/AnalyzeMenu/ApplyAsFilter/Selected"
#define MENU_BAR_PATH_ANALYZE_APL_AS_FLT_NOT_SEL "/Menubar/AnalyzeMenu/ApplyAsFilter/NotSelected"
#define MENU_BAR_PATH_ANALYZE_APL_AS_FLT_AND_SEL "/Menubar/AnalyzeMenu/ApplyAsFilter/AndSelected"
#define MENU_BAR_PATH_ANALYZE_APL_AS_FLT_OR_SEL "/Menubar/AnalyzeMenu/ApplyAsFilter/OrSelected"
#define MENU_BAR_PATH_ANALYZE_APL_AS_FLT_AND_NOT_SEL "/Menubar/AnalyzeMenu/ApplyAsFilter/AndNotSelected"
#define MENU_BAR_PATH_ANALYZE_APL_AS_FLT_OR_NOT_SEL "/Menubar/AnalyzeMenu/ApplyAsFilter/OrNotSelected"
#define MENU_BAR_PATH_ANALYZE_PREP_A_FLT_SEL "/Menubar/AnalyzeMenu/PrepareaFilter/Selected"
#define MENU_BAR_PATH_ANALYZE_PREP_A_FLT_NOT_SEL "/Menubar/AnalyzeMenu/PrepareaFilter/NotSelected"
#define MENU_BAR_PATH_ANALYZE_PREP_A_FLT_AND_SEL "/Menubar/AnalyzeMenu/PrepareaFilter/AndSelected"
#define MENU_BAR_PATH_ANALYZE_PREP_A_FLT_OR_SEL "/Menubar/AnalyzeMenu/PrepareaFilter/OrSelected"
#define MENU_BAR_PATH_ANALYZE_PREP_A_FLT_AND_NOT_SEL "/Menubar/AnalyzeMenu/PrepareaFilter/AndNotSelected"
#define MENU_BAR_PATH_ANALYZE_PREP_A_FLT_OR_NOT_SEL "/Menubar/AnalyzeMenu/PrepareaFilter/OrNotSelected"
GtkWidget *main_display_filter_widget=NULL;
/* Run the current display filter on the current packet set, and
redisplay. */
static void
filter_activate_cb(GtkWidget *w _U_, gpointer data)
{
const char *s;
s = gtk_entry_get_text(GTK_ENTRY(data));
main_filter_packets(&cfile, s, FALSE);
}
/* Enable both Clear and Apply button when filter is changed */
static void
filter_changed_cb(GtkWidget *w _U_, gpointer data)
{
gtk_widget_set_sensitive ((GtkWidget *)g_object_get_data (G_OBJECT(data), E_DFILTER_APPLY_KEY), TRUE);
gtk_widget_set_sensitive ((GtkWidget *)g_object_get_data (G_OBJECT(data), E_DFILTER_CLEAR_KEY), TRUE);
gtk_widget_set_sensitive ((GtkWidget *)g_object_get_data (G_OBJECT(data), E_DFILTER_SAVE_KEY), TRUE);
}
/* redisplay with no display filter */
static void
filter_reset_cb(GtkWidget *w, gpointer data _U_)
{
GtkWidget *filter_te = NULL;
if ((filter_te = (GtkWidget *)g_object_get_data(G_OBJECT(w), E_DFILTER_TE_KEY))) {
gtk_entry_set_text(GTK_ENTRY(filter_te), "");
}
main_filter_packets(&cfile, NULL, FALSE);
}
static void
filter_save_cb(GtkWidget *w _U_, GtkWindow *parent_w)
{
filter_expression_save_dlg(parent_w);
}
static void
plugin_if_filter_apply(gconstpointer user_data)
{
/* code is derived from voip_calls_dlg.c::voip_calls_on_filter */
size_t filter_length;
size_t max_filter_length = 2048;
gchar *filter_string;
if ( main_display_filter_widget != 0 )
{
GHashTable * dataSet = (GHashTable *) user_data;
if ( g_hash_table_lookup_extended(dataSet, "filter_string", NULL, NULL ) )
{
filter_string = g_strndup((const char *)g_hash_table_lookup(dataSet, "filter_string"), max_filter_length);
filter_length = strlen(filter_string);
if ( filter_length < max_filter_length )
{
gtk_entry_set_text(GTK_ENTRY(main_display_filter_widget), filter_string);
main_filter_packets(&cfile, filter_string, FALSE);
}
}
}
}
GtkWidget *
filter_toolbar_new(void)
{
GtkWidget *filter_cm;
GtkWidget *filter_te;
GtkWidget *filter_tb;
GtkToolItem *filter_bt, *filter_add_expr_bt, *filter_reset;
GtkToolItem *filter_apply, *filter_save, *item;
/* 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 = {
"Wireshark: Display Filter",
TRUE,
TRUE,
FALSE
};
/* filter toolbar */
filter_tb = gtk_toolbar_new();
gtk_orientable_set_orientation(GTK_ORIENTABLE(filter_tb),
GTK_ORIENTATION_HORIZONTAL);
g_object_set_data(G_OBJECT(top_level), E_TB_FILTER_KEY, filter_tb);
gtk_widget_show(filter_tb);
/* Create the "Filter:" button */
filter_bt = ws_gtk_tool_button_new_from_stock (WIRESHARK_STOCK_DISPLAY_FILTER_ENTRY);
g_signal_connect(filter_bt, "clicked", G_CALLBACK(display_filter_construct_cb), &args);
gtk_widget_show(GTK_WIDGET (filter_bt));
g_object_set_data(G_OBJECT(top_level), E_FILT_BT_PTR_KEY, filter_bt);
gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
filter_bt,
-1);
gtk_widget_set_tooltip_text(GTK_WIDGET(filter_bt), "Open the \"Display Filter\" dialog, to edit/apply filters");
/* Create the filter combobox */
filter_cm = gtk_combo_box_text_new_with_entry ();
filter_te = gtk_bin_get_child(GTK_BIN(filter_cm));
main_display_filter_widget=filter_te;
g_object_set_data(G_OBJECT(filter_bt), E_FILT_TE_PTR_KEY, filter_te);
g_object_set_data(G_OBJECT(filter_te), E_DFILTER_CM_KEY, filter_cm);
g_object_set_data(G_OBJECT(top_level), E_DFILTER_CM_KEY, filter_cm);
g_signal_connect(filter_te, "activate", G_CALLBACK(filter_activate_cb), filter_te);
g_signal_connect(filter_te, "changed", G_CALLBACK(filter_changed_cb), filter_cm);
g_signal_connect(filter_te, "changed", G_CALLBACK(filter_te_syntax_check_cb), NULL);
g_object_set_data(G_OBJECT(filter_tb), E_FILT_AUTOCOMP_PTR_KEY, NULL);
g_object_set_data(G_OBJECT(filter_te), E_FILT_FIELD_USE_STATUSBAR_KEY, (gpointer)"");
g_signal_connect(filter_te, "key-press-event", G_CALLBACK (filter_string_te_key_pressed_cb), NULL);
g_signal_connect(filter_tb, "key-press-event", G_CALLBACK (filter_parent_dlg_key_pressed_cb), NULL);
gtk_widget_set_size_request(filter_cm, 400, -1);
gtk_widget_show(filter_cm);
item = gtk_tool_item_new ();
gtk_container_add (GTK_CONTAINER (item), filter_cm);
gtk_widget_show (GTK_WIDGET (item));
gtk_toolbar_insert(GTK_TOOLBAR(filter_tb), item, -1);
/* setting a tooltip for a combobox will do nothing, so add it to the corresponding text entry */
gtk_widget_set_tooltip_text(filter_cm,
"Enter a display filter, or choose one of your recently used filters. "
"The background color of this field is changed by a continuous syntax check "
"(green is valid, red is invalid, yellow may have unexpected results).");
/* Create the "Add Expression..." button, to pop up a dialog
for constructing filter comparison expressions. */
filter_add_expr_bt = ws_gtk_tool_button_new_from_stock(WIRESHARK_STOCK_ADD_EXPRESSION);
g_object_set_data(G_OBJECT(filter_tb), E_FILT_FILTER_TE_KEY, filter_te);
g_signal_connect(filter_add_expr_bt, "clicked", G_CALLBACK(filter_add_expr_bt_cb), filter_tb);
gtk_widget_show(GTK_WIDGET(filter_add_expr_bt));
gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
filter_add_expr_bt,
-1);
gtk_widget_set_tooltip_text(GTK_WIDGET(filter_add_expr_bt), "Add an expression to this filter string");
/* Create the "Clear" button */
filter_reset = ws_gtk_tool_button_new_from_stock(WIRESHARK_STOCK_CLEAR_EXPRESSION);
g_object_set_data(G_OBJECT(filter_reset), E_DFILTER_TE_KEY, filter_te);
g_object_set_data (G_OBJECT(filter_cm), E_DFILTER_CLEAR_KEY, filter_reset);
g_signal_connect(filter_reset, "clicked", G_CALLBACK(filter_reset_cb), NULL);
gtk_widget_set_sensitive (GTK_WIDGET(filter_reset), FALSE);
gtk_widget_show(GTK_WIDGET(filter_reset));
gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
filter_reset,
-1);
gtk_widget_set_tooltip_text(GTK_WIDGET(filter_reset), "Clear this filter string and update the display");
/* Create the "Apply" button */
filter_apply = ws_gtk_tool_button_new_from_stock(WIRESHARK_STOCK_APPLY_EXPRESSION);
g_object_set_data(G_OBJECT(filter_apply), E_DFILTER_CM_KEY, filter_cm);
g_object_set_data (G_OBJECT(filter_cm), E_DFILTER_APPLY_KEY, filter_apply);
g_signal_connect(filter_apply, "clicked", G_CALLBACK(filter_activate_cb), filter_te);
gtk_widget_set_sensitive (GTK_WIDGET(filter_apply), FALSE);
gtk_widget_show(GTK_WIDGET(filter_apply));
gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
filter_apply,
-1);
gtk_widget_set_tooltip_text(GTK_WIDGET(filter_apply), "Apply this filter string to the display");
/* Create the "Save" button */
filter_save = ws_gtk_tool_button_new_from_stock(GTK_STOCK_SAVE);
g_object_set_data(G_OBJECT(filter_save), E_DFILTER_CM_KEY, filter_cm);
g_object_set_data(G_OBJECT(filter_cm), E_DFILTER_SAVE_KEY, filter_save);
g_signal_connect(filter_save, "clicked", G_CALLBACK(filter_save_cb), filter_te);
gtk_widget_set_sensitive (GTK_WIDGET(filter_save), FALSE);
gtk_widget_show(GTK_WIDGET(filter_save));
gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
filter_save,
-1);
gtk_widget_set_tooltip_text(GTK_WIDGET(filter_save), "Create a button based on the current display filter");
/* 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(MENU_BAR_PATH_FILE_OPEN, E_DFILTER_TE_KEY, filter_te);
set_menu_object_data(MENU_BAR_PATH_EDIT_COPY_AS_FLT, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_DISPLAY_FLT, E_FILT_TE_PTR_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_FOLLOW_TCP_STREAM, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_FOLLOW_UDP_STREAM, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_FOLLOW_SSL_STREAM, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_APL_AS_FLT_SEL, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_APL_AS_FLT_NOT_SEL, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_APL_AS_FLT_AND_SEL, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_APL_AS_FLT_OR_SEL, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_APL_AS_FLT_AND_NOT_SEL, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_APL_AS_FLT_OR_NOT_SEL, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_PREP_A_FLT_SEL, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_PREP_A_FLT_NOT_SEL, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_PREP_A_FLT_AND_SEL, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_PREP_A_FLT_OR_SEL, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_PREP_A_FLT_AND_NOT_SEL, E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data(MENU_BAR_PATH_ANALYZE_PREP_A_FLT_OR_NOT_SEL, E_DFILTER_TE_KEY,
filter_te);
set_toolbar_object_data(E_DFILTER_TE_KEY, filter_te);
g_object_set_data(G_OBJECT(popup_menu_object), E_DFILTER_TE_KEY, filter_te);
filter_expression_save_dlg_init(filter_tb, filter_te);
/* make current preferences effective */
toolbar_redraw_all();
plugin_if_register_gui_cb(PLUGIN_IF_FILTER_ACTION_APPLY, plugin_if_filter_apply );
plugin_if_register_gui_cb(PLUGIN_IF_FILTER_ACTION_PREPARE, plugin_if_filter_apply );
return filter_tb;
}
static gboolean
dfilter_entry_match(GtkWidget *filter_cm, char *s, int *indx)
{
GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX(filter_cm));
GtkTreeIter iter;
GValue value = { 0, {{0}}};
const char *filter_str;
int i;
i = -1;
if (!gtk_tree_model_get_iter_first (model, &iter)) {
*indx = i;
return FALSE;
}
do {
i++;
gtk_tree_model_get_value (model, &iter, 0, &value);
filter_str = g_value_get_string (&value);
if(filter_str) {
if(strcmp(s, filter_str) == 0) {
g_value_unset (&value);
*indx = i;
return TRUE;
}
}
g_value_unset (&value);
} while (gtk_tree_model_iter_next (model, &iter));
*indx = -1;
return FALSE;
}
/* add a display filter to the combo box */
/* Note: a new filter string will not replace an old identical one */
static gboolean
dfilter_combo_add(GtkWidget *filter_cm, char *s) {
int indx;
if(!dfilter_entry_match(filter_cm,s, &indx))
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT(filter_cm), s);
g_free(s);
return TRUE;
}
/* write all non empty display filters (until maximum count)
* of the combo box GList to the user's recent file */
void
dfilter_recent_combo_write_all(FILE *rf) {
GtkWidget *filter_cm = (GtkWidget *)g_object_get_data(G_OBJECT(top_level), E_DFILTER_CM_KEY);
GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX(filter_cm));
GtkTreeIter iter;
GValue value = { 0, {{0}}};
const char *filter_str;
guint max_count = 0;
if (!gtk_tree_model_get_iter_first (model, &iter))
return;
do {
gtk_tree_model_get_value (model, &iter, 0, &value);
filter_str = g_value_get_string (&value);
if(filter_str)
fprintf (rf, RECENT_KEY_DISPLAY_FILTER ": %s\n", filter_str);
g_value_unset (&value);
} while (gtk_tree_model_iter_next (model, &iter)&& (max_count++ < prefs.gui_recent_df_entries_max));
}
/* add a display filter coming from the user's recent file to the dfilter combo box */
gboolean
dfilter_combo_add_recent(const gchar *s) {
GtkWidget *filter_cm = (GtkWidget *)g_object_get_data(G_OBJECT(top_level), E_DFILTER_CM_KEY);
char *dupstr;
dupstr = g_strdup(s);
return dfilter_combo_add(filter_cm, dupstr);
}
/* call cf_filter_packets() and add this filter string to the recent filter list */
gboolean
main_filter_packets(capture_file *cf, const gchar *dftext, gboolean force)
{
GtkWidget *filter_cm = (GtkWidget *)g_object_get_data(G_OBJECT(top_level), E_DFILTER_CM_KEY);
gboolean free_filter = TRUE;
char *s;
cf_status_t cf_status;
gint filter_count;
s = g_strdup(dftext);
cf_status = cf_filter_packets(cf, s, force);
if (cf_status == CF_OK) {
gtk_widget_set_sensitive ((GtkWidget *)g_object_get_data (G_OBJECT(filter_cm), E_DFILTER_APPLY_KEY), FALSE);
if (!s || strlen (s) == 0) {
gtk_widget_set_sensitive ((GtkWidget *)g_object_get_data (G_OBJECT(filter_cm), E_DFILTER_CLEAR_KEY), FALSE);
gtk_widget_set_sensitive ((GtkWidget *)g_object_get_data (G_OBJECT(filter_cm), E_DFILTER_SAVE_KEY), FALSE);
}
}
if (!s)
return (cf_status == CF_OK);
if (cf_status == CF_OK && strlen(s) > 0) {
int indx;
if(!dfilter_entry_match(filter_cm,s, &indx) || indx > -1) {
/* If the filter is already there but not the first entry, remove it */
if (indx > -1) {
gtk_combo_box_text_remove(GTK_COMBO_BOX_TEXT(filter_cm), indx);
indx--;
}
/* Add the filter (at the head of the list) */
gtk_combo_box_text_prepend_text(GTK_COMBO_BOX_TEXT(filter_cm), s);
indx++;
}
}
if (free_filter)
g_free(s);
/* If we have too many entries, remove some */
filter_count = gtk_tree_model_iter_n_children(gtk_combo_box_get_model(GTK_COMBO_BOX(filter_cm)), NULL);
while (filter_count >= (gint)prefs.gui_recent_df_entries_max) {
filter_count--;
gtk_combo_box_text_remove(GTK_COMBO_BOX_TEXT(filter_cm), filter_count);
}
return (cf_status == CF_OK);
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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