Test patch to allow FQDNs/multiple IPs for URL Aliases

This patch modifies /etc/inc/pfsense-utils.inc
Tested on a couple of systems - but could use more testing!

src/etc/inc/pfsense-utils.inc

@@ -2337,13 +2337,36 @@ function parse_aliases_file($filename, $type = "url", $max_items = -1, $kflc = f
 			if (!empty($tmp_str)) {
 				$tmp = $tmp_str;
 			}
-			$valid = (($type == "url" || $type == "urltable") && (is_ipaddr($tmp) || is_subnet($tmp))) ||
-				(($type == "url_ports" || $type == "urltable_ports") && is_port_or_range($tmp));
-			if ($valid) {
-				$items[] = $tmp;
-				if (count($items) == $max_items) {
+			switch ($type) {
+				case "url":
+				case "urltable":
+					if (is_ipaddr($tmp) || is_subnet($tmp)) {
+						$items[] = $tmp;
+						break;
+					}
+					if (is_fqdn($tmp)) {
+						exec("/usr/local/bin/dig " . ${tmp} . " A " . ${tmp} . " AAAA +short", $results, $retval);
+						if ($retval == 0) {
+							foreach ($results as $ip) {
+								if (is_ipaddr($ip)) {
+									$items[] = $ip;
+								}
+							}
+						}
+					}
+					break;
+				case "url_ports":
+				case "urltable_ports":
+					if (is_port_or_range($tmp)) {
+						$items[] = $tmp;
+					}
+					break;
+				default:
+					/* unknown type */
 					break;
 				}
+			if (count($items) == $max_items) {
+				break;
 			}
 		}
 	}