From d79ff71a588898a4c7f87e455719b8680be0a6b8 Mon Sep 17 00:00:00 2001
From: Chris Buechler <cmb@pfsense.org>
Date: Mon, 4 Apr 2016 22:16:14 -0500
Subject: Truncate alias name at 31 characters to prevent creating an invalid
 ruleset. Ticket #6075

---
 src/usr/local/www/diag_dns.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/usr/local/www/diag_dns.php b/src/usr/local/www/diag_dns.php
index e17b2c8..3bb4490 100755
--- a/src/usr/local/www/diag_dns.php
+++ b/src/usr/local/www/diag_dns.php
@@ -73,7 +73,7 @@ if (!is_array($config['aliases']['alias'])) {
 }
 $a_aliases = &$config['aliases']['alias'];
 
-$aliasname = str_replace(array(".", "-"), "_", $host);
+$aliasname = substr(str_replace(array(".", "-"), "_", $host), 0, 31);
 $alias_exists = false;
 $counter = 0;
 foreach ($a_aliases as $a) {
-- 
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