From 8b9f1698fdec9d70a63b8a83962ccb2646fd00e3 Mon Sep 17 00:00:00 2001
From: latham <latham@ispconfig3>
Date: Wed, 04 May 2011 15:55:24 -0400
Subject: [PATCH] Fix bugtracker issue 1610

---
 interface/lib/classes/validate_ftpuser.inc.php |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/interface/lib/classes/validate_ftpuser.inc.php b/interface/lib/classes/validate_ftpuser.inc.php
index 7e04cb9..0682650 100644
--- a/interface/lib/classes/validate_ftpuser.inc.php
+++ b/interface/lib/classes/validate_ftpuser.inc.php
@@ -72,6 +72,8 @@
         
         $doc_root .= "/";
         if(substr($field_value, 0, strlen($doc_root)) == $doc_root) $is_ok = true;
+		
+		if(stristr($field_value,'..') or stristr($field_value,'./') or stristr($field_value,'/.')) $is_ok = false;
         
         if($is_ok == false) {
             $errmsg = $validator['errmsg'];

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