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wireshark/gtk/wlan_stat_dlg.c

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/* wlan_stat_dlg.c
* Copyright 2008 Stig Bjørlykke <stig@bjorlykke.org>
*
* $Id$
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <string.h>
#include <gtk/gtk.h>
#include <epan/packet_info.h>
#include <epan/addr_resolv.h>
#include <epan/tap.h>
#include "../register.h"
#include "../simple_dialog.h"
#include "dlg_utils.h"
#include "../globals.h"
#include "../stat_menu.h"
#include "gui_stat_menu.h"
#include "gui_utils.h"
#include <epan/dissectors/packet-ieee80211.h>
#include "image/clist_ascend.xpm"
#include "image/clist_descend.xpm"
#include "help_dlg.h"
#include <epan/strutil.h>
#define NUM_COLS 12
static const gchar *titles[] = {"BSSID", "Channel", "SSID", "Beacons", "Data Packets", "Probe Req", "Probe Resp", "Auth", "Deauth", "Other", "Percent", "Protection" };
typedef struct column_arrows {
GtkWidget *table;
GtkWidget *ascend_pm;
GtkWidget *descend_pm;
} column_arrows;
typedef struct wlan_ep {
struct wlan_ep* next;
address bssid;
struct _wlan_stats stats;
guint32 type[256];
guint32 number_of_packets;
} wlan_ep_t;
static GtkWidget *wlanstat_dlg_w = NULL;
/* used to keep track of the statistics for an entire program interface */
typedef struct _wlan_stat_t {
GtkWidget *table;
guint32 number_of_packets;
gboolean resolve_names;
gboolean show_only_existing;
wlan_ep_t* ep_list;
} wlanstat_t;
static void
wlanstat_reset (void *phs)
{
wlanstat_t* wlan_stat = (wlanstat_t *)phs;
wlan_ep_t* list = (wlan_ep_t*)wlan_stat->ep_list;
wlan_ep_t* tmp = NULL;
if (wlanstat_dlg_w != NULL) {
char title[256];
g_snprintf (title, 255, "Wireshark: WLAN Traffic Statistics: %s",
cf_get_display_name(&cfile));
gtk_window_set_title(GTK_WINDOW(wlanstat_dlg_w), title);
}
/* remove all entries from the clist */
gtk_clist_clear (GTK_CLIST(wlan_stat->table));
if (!list)
return;
while (list) {
tmp = list;
list = tmp->next;
g_free (tmp);
}
wlan_stat->ep_list = NULL;
wlan_stat->number_of_packets = 0;
}
static wlan_ep_t*
alloc_wlan_ep (struct _wlan_hdr *si, packet_info *pinfo _U_)
{
wlan_ep_t* ep;
if (!si)
return NULL;
if (!(ep = g_malloc (sizeof(wlan_ep_t))))
return NULL;
SE_COPY_ADDRESS (&ep->bssid, &si->bssid);
ep->stats.channel = si->stats.channel;
g_strlcpy (ep->stats.ssid, si->stats.ssid, MAX_SSID_LEN);
g_strlcpy (ep->stats.protection, si->stats.protection, MAX_PROTECT_LEN);
memset(&ep->type, 0, sizeof (int) * 256);
ep->number_of_packets = 0;
ep->next = NULL;
return ep;
}
static int
wlanstat_packet (void *phs, packet_info *pinfo, epan_dissect_t *edt _U_, const void *phi)
{
wlanstat_t *hs = (wlanstat_t *)phs;
wlan_ep_t *tmp = NULL, *te = NULL;
struct _wlan_hdr *si = (struct _wlan_hdr *) phi;
if (!hs)
return (0);
if (si->type == 0x04 && si->stats.ssid[0] == 0) {
/* Probe request without SSID */
return 0;
}
hs->number_of_packets++;
if (!hs->ep_list) {
hs->ep_list = alloc_wlan_ep (si, pinfo);
te = hs->ep_list;
} else {
for (tmp = hs->ep_list; tmp; tmp = tmp->next) {
if (((si->type == 0x04) &&
(strcmp (tmp->stats.ssid, si->stats.ssid) == 0)) ||
((si->type != 0x04) &&
(!CMP_ADDRESS (&tmp->bssid, &si->bssid)))) {
te = tmp;
break;
}
}
if (te && si->type != 0x04 && te->type[0x04] == 0 && te->stats.ssid[0] != 0) {
/*
* We have found a matching entry without Probe Requests.
* Search the rest of the entries for a corresponding entry
* matching the SSID and BSSID == Broadcast.
*
* This is because we can have a hidden SSID or Probe Request
* before we have a Beacon.
*/
wlan_ep_t *prev = NULL;
for (tmp = hs->ep_list; tmp; tmp = tmp->next) {
if (te->stats.ssid[0] &&
(strcmp (te->stats.ssid, tmp->stats.ssid) == 0) &&
(strcmp (get_addr_name(&tmp->bssid), "Broadcast") == 0)) {
/*
* Found a matching entry. Merge with the previous
* found entry and remove from list.
*/
te->type[0x04] += tmp->type[0x04];
te->number_of_packets += tmp->number_of_packets;
if (prev) {
prev->next = tmp->next;
} else {
hs->ep_list = tmp->next;
}
g_free (tmp);
break;
}
prev = tmp;
}
}
if (!te) {
if ((te = alloc_wlan_ep (si, pinfo))) {
te->next = hs->ep_list;
hs->ep_list = te;
}
}
}
if(!te)
return (0);
if (te->stats.channel == 0 && si->stats.channel != 0) {
te->stats.channel = si->stats.channel;
}
if (te->stats.ssid[0] == 0 && si->stats.ssid[0] != 0) {
g_strlcpy (te->stats.ssid, si->stats.ssid, MAX_SSID_LEN);
}
if (te->stats.protection[0] == 0 && si->stats.protection[0] != 0) {
g_strlcpy (te->stats.protection, si->stats.protection, MAX_PROTECT_LEN);
}
te->type[si->type]++;
te->number_of_packets++;
return (1);
}
static void
wlan_click_column_cb(GtkCList *clist, gint column, gpointer data)
{
column_arrows *col_arrows = (column_arrows *) data;
int i;
gtk_clist_freeze(clist);
for (i=0; i<NUM_COLS; i++) {
gtk_widget_hide(col_arrows[i].ascend_pm);
gtk_widget_hide(col_arrows[i].descend_pm);
}
if (column == clist->sort_column) {
if (clist->sort_type == GTK_SORT_ASCENDING) {
clist->sort_type = GTK_SORT_DESCENDING;
gtk_widget_show(col_arrows[column].descend_pm);
} else {
clist->sort_type = GTK_SORT_ASCENDING;
gtk_widget_show(col_arrows[column].ascend_pm);
}
} else {
clist->sort_type = GTK_SORT_ASCENDING;
gtk_widget_show(col_arrows[column].ascend_pm);
gtk_clist_set_sort_column(clist, column);
}
gtk_clist_thaw(clist);
gtk_clist_sort(clist);
}
static gint
wlan_sort_column(GtkCList *clist, gconstpointer ptr1, gconstpointer ptr2)
{
char *text1 = NULL;
char *text2 = NULL;
int i1, i2;
const GtkCListRow *row1 = (const GtkCListRow *) ptr1;
const GtkCListRow *row2 = (const GtkCListRow *) ptr2;
text1 = GTK_CELL_TEXT (row1->cell[clist->sort_column])->text;
text2 = GTK_CELL_TEXT (row2->cell[clist->sort_column])->text;
switch(clist->sort_column){
case 0:
case 2:
case 11:
return g_ascii_strcasecmp (text1, text2);
case 1:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
i1=atoi(text1);
i2=atoi(text2);
return i1-i2;
}
g_assert_not_reached();
return 0;
}
static void
wlanstat_draw(void *phs)
{
wlanstat_t *hs = (wlanstat_t *)phs;
wlan_ep_t* list = hs->ep_list, *tmp = 0;
guint32 data = 0, other = 0;
char *str[NUM_COLS];
float f;
int i=0;
for (i = 0; i < NUM_COLS; i++) {
str[i] = g_malloc (sizeof(char[256]));
}
/* clear list before printing */
gtk_clist_clear (GTK_CLIST(hs->table));
gtk_clist_freeze(GTK_CLIST(hs->table));
for(tmp = list; tmp; tmp=tmp->next) {
if (hs->show_only_existing && strcmp (get_addr_name(&tmp->bssid), "Broadcast") == 0) {
continue;
}
data = tmp->type[0x20] + tmp->type[0x21] + tmp->type[0x22] + tmp->type[0x23] +
tmp->type[0x28] + tmp->type[0x29] + tmp->type[0x2A] + tmp->type[0x2B];
other = tmp->number_of_packets - data - tmp->type[0x08] - tmp->type[0x04] -
tmp->type[0x05] - tmp->type[0x0B] - tmp->type[0x0C];
f = (float)(((float)tmp->number_of_packets * 100.0) / hs->number_of_packets);
if (hs->resolve_names) {
g_snprintf (str[0], sizeof(char[256]),"%s", get_addr_name(&tmp->bssid));
} else {
g_snprintf (str[0], sizeof(char[256]),"%s", address_to_str(&tmp->bssid));
}
if (tmp->stats.channel) {
g_snprintf (str[1], sizeof(char[256]),"%u", tmp->stats.channel);
} else {
str[1][0] = '\0';
}
g_snprintf (str[2], sizeof(char[256]),"%s", tmp->stats.ssid);
g_snprintf (str[3], sizeof(char[256]),"%u", tmp->type[0x08]);
g_snprintf (str[4], sizeof(char[256]),"%u", data);
g_snprintf (str[5], sizeof(char[256]),"%u", tmp->type[0x04]);
g_snprintf (str[6], sizeof(char[256]),"%u", tmp->type[0x05]);
g_snprintf (str[7], sizeof(char[256]),"%u", tmp->type[0x0B]);
g_snprintf (str[8], sizeof(char[256]),"%u", tmp->type[0x0C]);
g_snprintf (str[9], sizeof(char[256]),"%u", other);
g_snprintf (str[10], sizeof(char[256]),"%.2f%%", f);
g_snprintf (str[11], sizeof(char[256]),"%s", tmp->stats.protection);
gtk_clist_append (GTK_CLIST(hs->table), str);
}
gtk_clist_thaw(GTK_CLIST(hs->table));
gtk_clist_sort(GTK_CLIST(hs->table));
gtk_widget_show (GTK_WIDGET(hs->table));
}
static void
wlan_resolve_toggle_dest(GtkWidget *widget, gpointer data)
{
wlanstat_t *hs = (wlanstat_t *)data;
hs->resolve_names = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (widget));
wlanstat_draw(hs);
}
static void
wlan_existing_toggle_dest(GtkWidget *widget, gpointer data)
{
wlanstat_t *hs = (wlanstat_t *)data;
hs->show_only_existing = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (widget));
wlanstat_draw(hs);
}
static void
wlan_copy_as_csv(GtkWindow *win _U_, gpointer data)
{
int i,j;
gchar *table_entry;
GString *CSV_str = g_string_new("");
GtkClipboard *cb;
GtkCList *clist = GTK_CLIST(data);
/* Add the column headers to the CSV data */
for (j=0; j<NUM_COLS; j++) {
g_string_append(CSV_str, titles[j]);
if (j != (NUM_COLS - 1))
g_string_append(CSV_str, ",");
}
g_string_append(CSV_str,"\n");
/* Add the column values to the CSV data */
for (i=0; i<clist->rows; i++) {
for (j=0; j<NUM_COLS; j++) {
gtk_clist_get_text(clist,i,j,&table_entry);
g_string_append(CSV_str,table_entry);
if (j != (NUM_COLS - 1))
g_string_append(CSV_str,",");
}
g_string_append(CSV_str,"\n");
}
/* Now that we have the CSV data, copy it into the default clipboard */
cb = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
gtk_clipboard_set_text(cb, CSV_str->str, -1);
g_string_free(CSV_str, TRUE);
}
void protect_thread_critical_region (void);
void unprotect_thread_critical_region (void);
static void
win_destroy_cb (GtkWindow *win _U_, gpointer data)
{
wlanstat_t *hs = (wlanstat_t *)data;
protect_thread_critical_region ();
remove_tap_listener (hs);
unprotect_thread_critical_region ();
if (wlanstat_dlg_w != NULL) {
window_destroy(wlanstat_dlg_w);
wlanstat_dlg_w = NULL;
}
wlanstat_reset (hs);
g_free (hs);
}
static void
wlanstat_dlg_create (void)
{
wlanstat_t *hs;
GString *error_string;
GtkWidget *top_label;
GtkWidget *scrolled_window;
GtkWidget *bbox;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *resolv_cb;
GtkWidget *existing_cb;
GtkWidget *close_bt;
GtkWidget *help_bt;
GtkTooltips *tooltips = gtk_tooltips_new();
GtkWidget *copy_bt;
column_arrows *col_arrows;
GtkWidget *column_lb;
char title[256];
int i;
hs=g_malloc (sizeof(wlanstat_t));
hs->ep_list = NULL;
hs->number_of_packets = 0;
hs->resolve_names = TRUE;
hs->show_only_existing = FALSE;
g_snprintf (title, 255, "Wireshark: WLAN Traffic Statistics: %s",
cf_get_display_name(&cfile));
wlanstat_dlg_w = window_new (GTK_WINDOW_TOPLEVEL, title);
gtk_window_set_default_size (GTK_WINDOW(wlanstat_dlg_w), 750, 400);
vbox=gtk_vbox_new (FALSE, 3);
gtk_container_add(GTK_CONTAINER(wlanstat_dlg_w), vbox);
gtk_container_set_border_width (GTK_CONTAINER(vbox), 12);
top_label = gtk_label_new ("WLAN Traffic Statistics");
gtk_box_pack_start (GTK_BOX (vbox), top_label, FALSE, FALSE, 0);
/* init a scrolled window*/
scrolled_window = scrolled_window_new (NULL, NULL);
gtk_box_pack_start (GTK_BOX (vbox), scrolled_window, TRUE, TRUE, 0);
hs->table = gtk_clist_new (NUM_COLS);
gtk_container_add (GTK_CONTAINER (scrolled_window), hs->table);
gtk_clist_column_titles_show (GTK_CLIST (hs->table));
gtk_clist_set_compare_func(GTK_CLIST(hs->table), wlan_sort_column);
gtk_clist_set_sort_column(GTK_CLIST(hs->table), 2);
gtk_clist_set_sort_type(GTK_CLIST(hs->table), GTK_SORT_ASCENDING);
/* sort by column feature */
col_arrows = (column_arrows *) g_malloc(sizeof(column_arrows) * NUM_COLS);
for (i=0; i<NUM_COLS; i++) {
col_arrows[i].table = gtk_table_new(2, 2, FALSE);
gtk_table_set_col_spacings(GTK_TABLE(col_arrows[i].table), 5);
column_lb = gtk_label_new(titles[i]);
gtk_table_attach(GTK_TABLE(col_arrows[i].table), column_lb, 0, 1, 0, 2,
GTK_SHRINK, GTK_SHRINK, 0, 0);
gtk_widget_show(column_lb);
col_arrows[i].ascend_pm = xpm_to_widget(clist_ascend_xpm);
gtk_table_attach(GTK_TABLE(col_arrows[i].table), col_arrows[i].ascend_pm,
1, 2, 1, 2, GTK_SHRINK, GTK_SHRINK, 0, 0);
col_arrows[i].descend_pm = xpm_to_widget(clist_descend_xpm);
gtk_table_attach(GTK_TABLE(col_arrows[i].table), col_arrows[i].descend_pm,
1, 2, 0, 1, GTK_SHRINK, GTK_SHRINK, 0, 0);
/* make ssid be the default sort order */
if (i == 2) {
gtk_widget_show(col_arrows[i].ascend_pm);
}
if (i == 0 || i == 2 || i == 11) {
gtk_clist_set_column_justification(GTK_CLIST(hs->table), i, GTK_JUSTIFY_LEFT);
} else {
gtk_clist_set_column_justification(GTK_CLIST(hs->table), i, GTK_JUSTIFY_RIGHT);
}
gtk_clist_set_column_auto_resize(GTK_CLIST(hs->table), i, TRUE);
gtk_clist_set_column_widget(GTK_CLIST(hs->table), i, col_arrows[i].table);
gtk_widget_show(col_arrows[i].table);
}
g_signal_connect(GTK_CLIST(hs->table), "click-column", G_CALLBACK(wlan_click_column_cb), col_arrows);
error_string=register_tap_listener ("wlan", hs, NULL, wlanstat_reset,
wlanstat_packet, wlanstat_draw);
if (error_string) {
simple_dialog (ESD_TYPE_ERROR, ESD_BTN_OK, error_string->str);
g_string_free (error_string, TRUE);
g_free (hs);
return;
}
hbox = gtk_hbox_new(FALSE, 3);
gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
resolv_cb = gtk_check_button_new_with_mnemonic("Name resolution");
gtk_container_add(GTK_CONTAINER(hbox), resolv_cb);
gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(resolv_cb), TRUE);
gtk_tooltips_set_tip(tooltips, resolv_cb, "Show results of name resolutions rather than the \"raw\" values. "
"Please note: The corresponding name resolution must be enabled.", NULL);
g_signal_connect(resolv_cb, "toggled", G_CALLBACK(wlan_resolve_toggle_dest), hs);
existing_cb = gtk_check_button_new_with_mnemonic("Only show existing networks");
gtk_container_add(GTK_CONTAINER(hbox), existing_cb);
gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(existing_cb), FALSE);
gtk_tooltips_set_tip(tooltips, existing_cb, "This option disables probe requests for "
"unknown networks.", NULL);
g_signal_connect(existing_cb, "toggled", G_CALLBACK(wlan_existing_toggle_dest), hs);
/* Button row. */
if (topic_available (HELP_STATS_WLAN_TRAFFIC_DIALOG)) {
bbox = dlg_button_row_new (GTK_STOCK_CLOSE, GTK_STOCK_COPY, GTK_STOCK_HELP, NULL);
} else {
bbox = dlg_button_row_new (GTK_STOCK_CLOSE, GTK_STOCK_COPY, NULL);
}
gtk_box_pack_end (GTK_BOX(vbox), bbox, FALSE, FALSE, 0);
close_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CLOSE);
window_set_cancel_button (wlanstat_dlg_w, close_bt, window_cancel_button_cb);
copy_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_COPY);
gtk_tooltips_set_tip(tooltips, copy_bt,
"Copy all statistical values of this page to the clipboard in CSV (Comma Seperated Values) format.", NULL);
g_signal_connect(copy_bt, "clicked", G_CALLBACK(wlan_copy_as_csv), hs->table);
if (topic_available (HELP_STATS_WLAN_TRAFFIC_DIALOG)) {
help_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_HELP);
g_signal_connect(help_bt, "clicked", G_CALLBACK(topic_cb), (gpointer)HELP_STATS_WLAN_TRAFFIC_DIALOG);
}
g_signal_connect (wlanstat_dlg_w, "delete_event", G_CALLBACK(window_delete_event_cb), NULL);
g_signal_connect (wlanstat_dlg_w, "destroy", G_CALLBACK(win_destroy_cb), hs);
gtk_widget_show_all (wlanstat_dlg_w);
window_present (wlanstat_dlg_w);
cf_retap_packets (&cfile, FALSE);
}
static void
wlanstat_launch (GtkWidget *w _U_, gpointer data _U_)
{
if (wlanstat_dlg_w) {
reactivate_window(wlanstat_dlg_w);
} else {
wlanstat_dlg_create ();
}
}
void
register_tap_listener_wlanstat (void)
{
register_stat_menu_item ("WLAN Traffic...", REGISTER_STAT_GROUP_NONE,
wlanstat_launch, NULL, NULL, NULL);
}
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