hostapd/wlantest/wlantest.c
Jouni Malinen d84d389351 wlantest: Maintain table of BSS information
Whenever a Beacon or Probe Response frame is observed, add or update
a BSS entry to maintain current information about the active BSSes.
2010-11-07 23:29:00 +02:00

124 lines
2.2 KiB
C

/*
* wlantest - IEEE 802.11 protocol monitoring and testing tool
* Copyright (c) 2010, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "wlantest.h"
extern int wpa_debug_level;
static void wlantest_terminate(int sig, void *signal_ctx)
{
eloop_terminate();
}
static void usage(void)
{
printf("wlantest [-ddhqq] [-i<ifname>] [-r<pcap file>]\n");
}
static void wlantest_init(struct wlantest *wt)
{
os_memset(wt, 0, sizeof(*wt));
wt->monitor_sock = -1;
dl_list_init(&wt->bss);
}
static void wlantest_deinit(struct wlantest *wt)
{
struct wlantest_bss *bss, *n;
if (wt->monitor_sock >= 0)
monitor_deinit(wt);
dl_list_for_each_safe(bss, n, &wt->bss, struct wlantest_bss, list)
bss_deinit(bss);
}
int main(int argc, char *argv[])
{
int c;
const char *read_file = NULL;
const char *ifname = NULL;
struct wlantest wt;
wpa_debug_level = MSG_INFO;
if (os_program_init())
return -1;
wlantest_init(&wt);
for (;;) {
c = getopt(argc, argv, "dhi:r:q");
if (c < 0)
break;
switch (c) {
case 'd':
if (wpa_debug_level > 0)
wpa_debug_level--;
break;
case 'h':
usage();
return 0;
case 'i':
ifname = optarg;
break;
case 'q':
wpa_debug_level++;
break;
case 'r':
read_file = optarg;
break;
default:
usage();
return -1;
}
}
if (ifname == NULL && read_file == NULL) {
usage();
return 0;
}
if (eloop_init())
return -1;
if (read_file && read_cap_file(&wt, read_file) < 0)
return -1;
if (ifname && monitor_init(&wt, ifname) < 0)
return -1;
eloop_register_signal_terminate(wlantest_terminate, &wt);
eloop_run();
wpa_printf(MSG_INFO, "Processed: rx_mgmt=%u rx_ctrl=%u rx_data=%u "
"fcs_error=%u",
wt.rx_mgmt, wt.rx_ctrl, wt.rx_data, wt.fcs_error);
wlantest_deinit(&wt);
eloop_destroy();
os_program_deinit();
return 0;
}