pfSense

function get_next_ipfw_ruleno($rulenos_start = 10000, $rulenos_range_max = 9899) {

	exec("/sbin/ipfw show", $fwrules);

	foreach ($fwrules as $fwrule) {

		preg_match("/^(\d+)\s+/", $fwrule, $matches);

function captiveportal_get_next_ipfw_ruleno($rulenos_start = 10000, $rulenos_range_max = 9899) {

	exec("/sbin/ipfw show", $fwrules);

	foreach ($fwrules as $fwrule) {

		preg_match("/^(\d+)\s+/", $fwrule, $matches);

    $volume['input_pkts'] = $volume['input_bytes'] = $volume['output_pkts'] = $volume['output_bytes'] = 0 ;

    // Ingress

    exec("/sbin/ipfw show {$ruleno}", $ipfw);

    preg_match("/(\d+)\s+(\d+)\s+(\d+)\s+.*/", $ipfw[0], $matches);

    $volume['input_pkts'] = $matches[2];

 */

function getNasID()

{

    exec("/bin/hostname", $nasId);

    if(!$nasId[0])

        $nasId[0] = "pfSense";

			update_filter_reload_status("Creating NAT rule {$rule['descr']}");

			/* if item is an alias, expand */

			unset($extport);

			if(alias_expand($rule['external-port']))

				$extport[0] = alias_expand_value($rule['external-port']);

		if ($rule['source']['network'] && strstr($rule['source']['network'], "opt")) {

			if (!array_key_exists($rule['source']['network'], $optcfg)) {

				if(preg_match("/opt([0-999])/", $rule['source']['network'], $optmatch)) {

					$real_opt_int = convert_friendly_interface_to_real_interface_name("opt" . $optmatch[1]);

					$opt_ip = find_interface_ip($real_opt_int);

function get_interface_mac($interface) {

        /* build interface list with netstat */

        exec("/usr/bin/netstat -I $interface -nW -f link", $linkinfo);

        array_shift($linkinfo);

        $alink = preg_split("/\s+/", $linkinfo[0]);