From e6a7be8b1f9531e35ecf3ed79553072bb2585418 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <bruederli@kolabsys.com>
Date: Thu, 4 Jul 2013 20:01:21 +0200
Subject: [PATCH] Don't add filters for required fields which are already in
 search filter

---
 program/lib/Roundcube/rcube_ldap.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/program/lib/Roundcube/rcube_ldap.php b/program/lib/Roundcube/rcube_ldap.php
index 922c73568..7c4002337 100644
--- a/program/lib/Roundcube/rcube_ldap.php
+++ b/program/lib/Roundcube/rcube_ldap.php
@@ -871,6 +871,8 @@ class rcube_ldap extends rcube_addressbook
         // add required (non empty) fields filter
         $req_filter = '';
         foreach ((array)$required as $field) {
+            if (in_array($field, (array)$fields))  // required field is already in search filter
+                continue;
             if ($attrs = $this->_map_field($field)) {
                 if (count($attrs) > 1)
                     $req_filter .= '(|';