/* DESC: This script shows WiFi probing clients and works with 2 WiFi cards.
 * Copyright (C) 2020 NetModule AG, Switzerland
 */
 
 
while (1) {
	sleep(3);
	for (card = 1; card <= 2; card++) {
		IFC=sprintf("WLAN%d", card);
		tracks = nb_wlan_tracking(IFC);
 
		count = sprintf("%s_STATION_COUNT", IFC);
		nr_tracks = struct_get(tracks, count);
 
		if (is_void(nr_tracks) || nr_tracks < 1) {
   			nb_syslog("no tracks found on %s", IFC);
   			continue;
		}
 
		nb_syslog("%s: stations tracked (%d)", IFC, nr_tracks);
 
		/* lookup WLAN networks */
		for (i = 1; i <= nr_tracks; i++) {
   			k = sprintf("%s_STATION%d_MAC", IFC, i);
			mac = struct_get(tracks, k);
   			k = sprintf("%s_STATION%d_LAST_SEEN", IFC, i);
    		lseen = (int)struct_get(tracks, k);
   			k = sprintf("%s_STATION%d_SIGNAL", IFC, i);
    		signal = (int)struct_get(tracks, k);
 
		 	if (strlen(mac) == 0) continue;
 		 	nb_syslog("detected on %s: Client '%s' (signal %d) (seen %d)", IFC, mac, signal, lseen);
		}
 	}
}
 
exit(0);