From cc4a5388feb3eb194685cd542bcb28a95b147cd2 Mon Sep 17 00:00:00 2001
From: Chris Buechler <cmb@cmb-macbook-pro.local>
Date: Fri, 8 May 2009 17:22:24 -0400
Subject: [PATCH] colons are valid in usernames, such as for no-ip subaccounts.

---
 etc/inc/util.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/etc/inc/util.inc b/etc/inc/util.inc
index d1f318f860..47fde5b253 100644
--- a/etc/inc/util.inc
+++ b/etc/inc/util.inc
@@ -180,7 +180,7 @@ function is_dyndns_username($uname) {
 	if (!is_string($uname))
 		return false;
 
-	if (preg_match("/[^a-z0-9\-.@_]/i", $uname))
+	if (preg_match("/[^a-z0-9\-.@_:]/i", $uname))
 		return false;
 	else
 		return true;