pfSense

			$baseif = substr($if, 0, stripos($if, "_wlan"));

			$baseif_mac = get_interface_mac($baseif);

			$if_bssid = get_interface_bssid($if);

			if(!is_macaddr($if_bssid)) {

				mwexec("/sbin/ifconfig " . escapeshellarg($if) . " up");

				$if_bssid = get_interface_bssid($if);

				mwexec("/sbin/ifconfig " . escapeshellarg($if) . " down");

			}

			if(!is_macaddr($if_bssid)) {

				$if_bssid = baseif_mac;

			}

			/* XXX: Workaround because hostapd won't properly detect BSSID of

			 * clone interfaces and uses base interface's MAC instead

			 * wpa_supplicant may also need this, but that needs to be tested */

			fwrite($fd_set, "/sbin/ifconfig {$baseif} ether {$if_bssid}\n");

			fwrite($fd_set, "/sbin/ifconfig {$baseif} ether {$baseif_mac}\n");

function get_interface_bssid($interface) {

	$mac = array();

        exec("/sbin/ifconfig {$interface} | /usr/bin/awk '/bssid/ {print $2}'", $mac);

        if(is_macaddr($mac[0])) {

                return trim($mac[0]);

        } else {

                return "";

        }

}