From f09c184786313c85616985fe2a6cfabf53f06777 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Wed, 19 Oct 2011 11:56:20 -0400
Subject: [PATCH] Add (experimental) support for some extendted PHP LDAP functions when querying VLV enabled directories

---
 program/include/rcube_ldap.php |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/program/include/rcube_ldap.php b/program/include/rcube_ldap.php
index 1f03e15..21fd601 100644
--- a/program/include/rcube_ldap.php
+++ b/program/include/rcube_ldap.php
@@ -1151,7 +1151,7 @@
                         $this->vlv_count += $counts[$j]['numsubordinates'][0];
                     $this->_debug("D: total numsubordinates = " . $this->vlv_count);
                 }
-                else  // ...or by fetching all records dn and count them
+                else if (!function_exists('ldap_parse_virtuallist_control'))  // ...or by fetching all records dn and count them
                     $this->vlv_count = $this->_exec_search(true);
 
                 $this->vlv_active = $this->_vlv_set_controls($this->prop, $this->list_page, $this->page_size);
@@ -1162,9 +1162,17 @@
             if ($this->ldap_result = @$function($this->conn, $this->base_dn, $filter,
                 $attrs, 0, (int)$this->prop['sizelimit'], (int)$this->prop['timelimit']))
             {
+                // when running on a patched PHP we can use the extended functions to retrieve the total count from the LDAP search result
+                if ($this->vlv_active && function_exists('ldap_parse_virtuallist_control') &&
+                    ldap_parse_result($this->conn, $this->ldap_result, $errcode, $matcheddn, $errmsg, $referrals, $serverctrls)) {
+                    ldap_parse_virtuallist_control($this->conn, $serverctrls, $last_offset, $this->vlv_count, $vresult);
+                    $this->_debug("S: VLV result: last_offset=$last_offset; content_count=$this->vlv_count");
+                }
+
                 $this->_debug("S: ".ldap_count_entries($this->conn, $this->ldap_result)." record(s)");
                 if ($err = ldap_errno($this->conn))
                     $this->_debug("S: Error: " .ldap_err2str($err));
+
                 return $count ? ldap_count_entries($this->conn, $this->ldap_result) : true;
             }
             else

--
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