2096c006aa
Use ieee80211_mhz_to_chan() instead. Change-Id: I1d9a3b9c3a5ad2b1a5bd3f8d10b7f8b1bbcba51d Reviewed-on: https://code.wireshark.org/review/11586 Reviewed-by: Guy Harris <guy@alum.mit.edu>
432 lines
12 KiB
C
432 lines
12 KiB
C
/* main_80211_toolbar.c
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* The 802.11 toolbar by Pontus Fuchs <pontus.fuchs@gmail.com>
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* This file implements the "80211" toolbar for Wireshark.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <gtk/gtk.h>
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#include "main_toolbar.h"
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#include "ui/ui_util.h"
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#include "ui/gtk/old-gtk-compat.h"
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#include "ui/gtk/main_80211_toolbar.h"
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#include "caputils/ws80211_utils.h"
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#include <capchild/capture_session.h>
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#include <capchild/capture_sync.h>
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#include <wsutil/frequency-utils.h>
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static GtkWidget *tb80211_tb, *tb80211_iface_list_box, *tb80211_freq_list_box, *tb80211_chan_type_box, *tb80211_info_label;
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static GArray *tb80211_interfaces;
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static struct ws80211_interface *tb80211_current_iface;
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static gint32 tb80211_current_freq = -1;
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static gint32 tb80211_current_type = -1;
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static gboolean tb80211_dont_set_chan;
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static gboolean tb80211_dont_set_iface;
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static void tb80211_set_info(const char *errstr)
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{
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gtk_label_set_markup(GTK_LABEL(tb80211_info_label), errstr);
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}
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static
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void add_channel_type(const char *type, int oldtype, int indx )
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{
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gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(tb80211_chan_type_box), type);
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if (oldtype != -1 && oldtype == ws80211_str_to_chan_type(type)) {
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gtk_combo_box_set_active(GTK_COMBO_BOX(tb80211_chan_type_box), indx);
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tb80211_current_type = oldtype;
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}
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}
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static
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void tb80211_update_chan_type(void)
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{
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static unsigned int tb80211_type_cnt;
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unsigned int i;
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int oldtype = -1;
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for (i = 0; i < tb80211_type_cnt; i++) {
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gtk_combo_box_text_remove(GTK_COMBO_BOX_TEXT(tb80211_chan_type_box), 0);
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}
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if (!tb80211_current_iface) {
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return;
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}
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oldtype = tb80211_current_type;
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tb80211_current_type = -1;
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i = 0;
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add_channel_type(CHAN_NO_HT, oldtype, i++);
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if (tb80211_current_iface->channel_types & (1 << WS80211_CHAN_HT20)) {
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add_channel_type(CHAN_HT20, oldtype, i++);
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}
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if (tb80211_current_iface->channel_types & (1 << WS80211_CHAN_HT40MINUS)) {
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add_channel_type(CHAN_HT40MINUS, oldtype, i++);
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}
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if (tb80211_current_iface->channel_types & (1 << WS80211_CHAN_HT40PLUS)) {
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add_channel_type(CHAN_HT40PLUS, oldtype, i++);
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}
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tb80211_type_cnt = i;
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}
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static
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void tb80211_update_freq(void)
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{
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static unsigned int tb80211_freq_cnt;
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unsigned int i;
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gchar *str;
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gint32 oldfreq = 0;
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for (i = 0; i < tb80211_freq_cnt; i++) {
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gtk_combo_box_text_remove(GTK_COMBO_BOX_TEXT(tb80211_freq_list_box), 0);
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}
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oldfreq = tb80211_current_freq;
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tb80211_current_freq = -1;
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if (!tb80211_current_iface)
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return;
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tb80211_freq_cnt = tb80211_current_iface->frequencies->len;
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for (i = 0; i < tb80211_freq_cnt; i++) {
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int freq;
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freq = g_array_index(tb80211_current_iface->frequencies, int, i);
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str = g_strdup_printf("%d MHz (%d)", freq, ieee80211_mhz_to_chan(freq));
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gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(tb80211_freq_list_box), str);
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g_free(str);
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if (freq == oldfreq) {
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gtk_combo_box_set_active(GTK_COMBO_BOX(tb80211_freq_list_box), i);
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tb80211_current_freq = oldfreq;
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}
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}
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}
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static
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void tb80211_update_freq_and_type(void)
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{
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tb80211_dont_set_chan = TRUE;
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tb80211_update_freq();
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tb80211_update_chan_type();
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tb80211_dont_set_chan = FALSE;
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}
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#ifdef HAVE_LIBPCAP
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/* Get currently selected channel type type enum */
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static
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int get_selected_channel_type(void)
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{
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int ret;
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gchar *s = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(tb80211_chan_type_box));
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ret = ws80211_str_to_chan_type(s);
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g_free(s);
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return ret;
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}
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/* Invoke dumpcap to set channel */
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static int
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tb80211_do_set_channel(char *iface, int freq, int type)
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{
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gchar *freq_s;
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const gchar *type_s;
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gchar *data, *primary_msg, *secondary_msg;
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int ret;
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freq_s = g_strdup_printf("%d", freq);
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type_s = ws80211_chan_type_to_str(type);
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ret = sync_interface_set_80211_chan(iface, freq_s, type_s,
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&data, &primary_msg, &secondary_msg, main_window_update);
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/* Parse the error msg */
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if (ret && primary_msg) {
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return atoi(primary_msg);
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}
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g_free(data);
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g_free(primary_msg);
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g_free(secondary_msg);
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g_free(freq_s);
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return ret;
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}
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/* Called on freq and type combo box change. */
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static void
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tb80211_set_channel(void)
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{
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gchar *info = NULL;
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int err, selected_chan, new_type, new_freq;
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GtkComboBox *freq_combo = GTK_COMBO_BOX(tb80211_freq_list_box);
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GtkComboBox *type_combo = GTK_COMBO_BOX(tb80211_chan_type_box);
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selected_chan = gtk_combo_box_get_active(freq_combo);
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if (selected_chan < 0)
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return;
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new_freq = g_array_index(tb80211_current_iface->frequencies, int, selected_chan);
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new_type = get_selected_channel_type();
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err = tb80211_do_set_channel(tb80211_current_iface->ifname, new_freq, new_type);
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if (err) {
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info = g_strdup_printf("<b>Failed to set channel: %s</b>", g_strerror(abs(err)));
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/* Try to set back to last working chan */
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err = tb80211_do_set_channel(tb80211_current_iface->ifname, tb80211_current_freq, tb80211_current_type);
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if (err) {
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gtk_combo_box_set_active(freq_combo, -1);
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gtk_combo_box_set_active(type_combo, -1);
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tb80211_current_freq = -1;
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tb80211_current_type = -1;
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}
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else {
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tb80211_update_freq_and_type();
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}
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}
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else {
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info = g_strdup_printf("%s Switched to %d MHz (%d)", tb80211_current_iface->ifname, new_freq, ieee80211_mhz_to_chan(new_freq));
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tb80211_current_freq = new_freq;
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tb80211_current_type = new_type;
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}
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tb80211_set_info(info);
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g_free(info);
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}
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static void
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tb80211_set_chan_cb(GtkWidget *widget _U_, gpointer data _U_)
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{
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if (!tb80211_current_iface || tb80211_dont_set_chan)
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return;
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tb80211_set_channel();
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}
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#endif
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static void
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tb80211_iface_changed_cb(GtkWidget *widget, gpointer data _U_)
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{
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unsigned int i;
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int ret;
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struct ws80211_interface *iface;
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struct ws80211_iface_info iface_info;
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gchar *active;
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if (tb80211_dont_set_iface)
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return;
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active = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(widget));
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if (!active || tb80211_dont_set_chan)
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goto out_free;
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for (i = 0; i < tb80211_interfaces->len; i++) {
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iface = g_array_index(tb80211_interfaces, struct ws80211_interface *, i);
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if (strcmp(active, iface->ifname) == 0) {
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tb80211_current_iface = iface;
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break;
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}
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}
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tb80211_current_freq = -1;
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tb80211_current_type = -1;
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if (tb80211_current_iface) {
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ret = ws80211_get_iface_info(tb80211_current_iface->ifname, &iface_info);
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if (!ret) {
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tb80211_current_freq = iface_info.current_freq;
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tb80211_current_type = iface_info.current_chan_type;
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}
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}
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tb80211_update_freq_and_type();
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out_free:
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g_free(active);
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}
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void
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tb80211_refresh_interfaces(void)
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{
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struct ws80211_interface *iface;
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unsigned int i;
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gboolean same = FALSE;
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gchar *selected_iface = NULL, *info;
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if (!tb80211_tb)
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return;
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if (tb80211_interfaces) {
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selected_iface = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(tb80211_iface_list_box));
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for (i = 0; i < tb80211_interfaces->len; i++)
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gtk_combo_box_text_remove(GTK_COMBO_BOX_TEXT(tb80211_iface_list_box), 0);
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ws80211_free_interfaces(tb80211_interfaces);
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tb80211_interfaces = NULL;
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tb80211_current_iface = NULL;
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}
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tb80211_interfaces = ws80211_find_interfaces();
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if (!tb80211_interfaces) {
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goto out_free;
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}
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tb80211_dont_set_iface = TRUE;
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for (i = 0; i < tb80211_interfaces->len; i++) {
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iface = g_array_index(tb80211_interfaces, struct ws80211_interface *, i);
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gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(tb80211_iface_list_box), iface->ifname);
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if (selected_iface && strcmp(selected_iface, iface->ifname) == 0) {
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gtk_combo_box_set_active(GTK_COMBO_BOX(tb80211_iface_list_box), i);
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tb80211_current_iface = iface;
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same = TRUE;
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}
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}
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tb80211_dont_set_iface = FALSE;
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/* Reset selectors if interface disappeared */
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if (!same) {
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gtk_combo_box_set_active(GTK_COMBO_BOX(tb80211_iface_list_box), -1);
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gtk_combo_box_set_active(GTK_COMBO_BOX(tb80211_freq_list_box), -1);
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gtk_combo_box_set_active(GTK_COMBO_BOX(tb80211_chan_type_box), -1);
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}
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info = g_strdup_printf("%d monitor interfaces found", tb80211_interfaces->len);
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tb80211_set_info(info);
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g_free(info);
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out_free:
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g_free(selected_iface);
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}
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static void
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tb80211_add_label(const gchar *text, GtkWidget *tb)
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{
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GtkWidget *label;
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GtkToolItem *label_ti;
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label_ti = gtk_tool_item_new();
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gtk_widget_show(GTK_WIDGET (label_ti));
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label = gtk_label_new(text);
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gtk_widget_show(GTK_WIDGET (label));
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gtk_container_add(GTK_CONTAINER(label_ti), label);
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gtk_toolbar_insert(GTK_TOOLBAR(tb), label_ti, -1);
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}
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GtkWidget *
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ws80211_toolbar_new(void)
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{
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GtkToolItem *ti;
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int ret;
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/* filter toolbar */
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tb80211_tb = gtk_toolbar_new();
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gtk_orientable_set_orientation(GTK_ORIENTABLE(tb80211_tb),
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GTK_ORIENTATION_HORIZONTAL);
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gtk_widget_show(tb80211_tb);
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tb80211_add_label(" Interface: ", tb80211_tb);
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ti = gtk_tool_item_new();
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gtk_widget_show(GTK_WIDGET (ti));
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tb80211_iface_list_box = gtk_combo_box_text_new();
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g_signal_connect(tb80211_iface_list_box, "changed", G_CALLBACK(tb80211_iface_changed_cb), NULL);
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gtk_container_add(GTK_CONTAINER(ti), tb80211_iface_list_box);
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gtk_widget_show(GTK_WIDGET (tb80211_iface_list_box));
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gtk_toolbar_insert(GTK_TOOLBAR(tb80211_tb), ti, -1);
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tb80211_add_label(" Frequency: ", tb80211_tb);
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ti = gtk_tool_item_new();
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gtk_widget_show(GTK_WIDGET (ti));
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tb80211_freq_list_box = gtk_combo_box_text_new();
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#ifdef HAVE_LIBPCAP
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g_signal_connect(tb80211_freq_list_box, "changed", G_CALLBACK(tb80211_set_chan_cb), NULL);
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#else
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gtk_widget_set_sensitive(GTK_WIDGET(tb80211_freq_list_box), FALSE);
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#endif
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gtk_container_add(GTK_CONTAINER(ti), tb80211_freq_list_box);
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gtk_widget_show(GTK_WIDGET (tb80211_freq_list_box));
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gtk_toolbar_insert(GTK_TOOLBAR(tb80211_tb), ti, -1);
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ti = gtk_tool_item_new();
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gtk_widget_show(GTK_WIDGET (ti));
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tb80211_chan_type_box = gtk_combo_box_text_new();
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#ifdef HAVE_LIBPCAP
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g_signal_connect(tb80211_chan_type_box, "changed", G_CALLBACK(tb80211_set_chan_cb), NULL);
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#else
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gtk_widget_set_sensitive(GTK_WIDGET(tb80211_freq_list_box), FALSE);
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#endif
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gtk_container_add(GTK_CONTAINER(ti), tb80211_chan_type_box);
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gtk_widget_show(GTK_WIDGET (tb80211_chan_type_box));
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gtk_toolbar_insert(GTK_TOOLBAR(tb80211_tb), ti, -1);
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ti = gtk_separator_tool_item_new();
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gtk_widget_show(GTK_WIDGET (ti));
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gtk_toolbar_insert(GTK_TOOLBAR(tb80211_tb), ti, -1);
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ti = gtk_tool_item_new();
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gtk_widget_show(GTK_WIDGET (ti));
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tb80211_info_label = gtk_label_new("");
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gtk_container_add(GTK_CONTAINER(ti), tb80211_info_label);
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gtk_widget_show(GTK_WIDGET (tb80211_info_label));
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gtk_toolbar_insert(GTK_TOOLBAR(tb80211_tb), ti, -1);
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/* make current preferences effective */
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toolbar_redraw_all();
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ret = ws80211_init();
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if(ret) {
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tb80211_set_info("<b>Failed to initialize ws80211</b>");
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} else {
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tb80211_refresh_interfaces();
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}
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return tb80211_tb;
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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