From 72c7226558c954e5bdac0ab363d7b3f4542a5296 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Thu, 28 Feb 2008 20:01:57 +0000
Subject: Applied patch by Emanuele Rocca to make LDAP filters work with or
 without brackets

---
 program/include/rcube_ldap.inc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/program/include/rcube_ldap.inc b/program/include/rcube_ldap.inc
index 608365269..29e7faa6b 100644
--- a/program/include/rcube_ldap.inc
+++ b/program/include/rcube_ldap.inc
@@ -285,9 +285,12 @@ class rcube_ldap
     }
     $filter .= ')';
     
+    // avoid double-wildcard if $value is empty
+    $filter = preg_replace('/\*+/', '*', $filter);
+    
     // add general filter to query
     if (!empty($this->prop['filter']))
-      $filter = '(&('.$this->prop['filter'] .')' . $filter . ')';
+      $filter = '(&(' . preg_replace('/^\(|\)$/', '', $this->prop['filter']) . ')' . $filter . ')';
 
     // set filter string and execute search
     $this->set_search_set($filter);
-- 
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