From bc0a452fb43ea0ec4c2b97cdebb394bcd070e7b4 Mon Sep 17 00:00:00 2001
From: jim-p <jimp@pfsense.org>
Date: Fri, 15 Aug 2014 08:40:21 -0400
Subject: [PATCH] Ensure this is always an array to avoid a PHP error from
 foreach.

---
 usr/local/www/diag_dns.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/usr/local/www/diag_dns.php b/usr/local/www/diag_dns.php
index 69a93a3cad..415b7143e8 100644
--- a/usr/local/www/diag_dns.php
+++ b/usr/local/www/diag_dns.php
@@ -37,7 +37,11 @@ require("guiconfig.inc");
 $host = trim($_REQUEST['host'], " \t\n\r\0\x0B[];\"'");
 $host_esc = escapeshellarg($host);
 
-$a_aliases = &$config['aliases']['alias'];
+if (is_array($config['aliases']['alias'])) {
+	$a_aliases = &$config['aliases']['alias'];
+} else {
+	$a_aliases = array();
+}
 $aliasname = str_replace(array(".","-"), "_", $host);
 $alias_exists = false;
 $counter=0;