From 203323ba8559c1c548a747049e2508e7d4bcaff4 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Wed, 13 Feb 2013 06:27:51 -0500
Subject: [PATCH] Refactored the LDAP address book into a generic LDAP wrapper class and an address book implementation (as already started in the devel-ldap-refactoring branch)
---
program/lib/Roundcube/rcube_ldap_generic.php | 908 ++++++++++++++++++++++++++++
program/lib/Roundcube/rcube_ldap_result.php | 128 ++++
program/lib/Roundcube/rcube_ldap.php | 829 ++++---------------------
3 files changed, 1,180 insertions(+), 685 deletions(-)
diff --git a/program/lib/Roundcube/rcube_ldap.php b/program/lib/Roundcube/rcube_ldap.php
index 7290490..c117b79 100644
--- a/program/lib/Roundcube/rcube_ldap.php
+++ b/program/lib/Roundcube/rcube_ldap.php
@@ -3,8 +3,8 @@
/*
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
- | Copyright (C) 2006-2012, The Roundcube Dev Team |
- | Copyright (C) 2011-2012, Kolab Systems AG |
+ | Copyright (C) 2006-2013, The Roundcube Dev Team |
+ | Copyright (C) 2011-2013, Kolab Systems AG |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
@@ -36,7 +36,7 @@
public $coltypes = array();
/** private properties */
- protected $conn;
+ protected $ldap;
protected $prop = array();
protected $fieldmap = array('_objclass' => 'objectclass');
protected $sub_filter;
@@ -50,9 +50,6 @@
private $groups_base_dn = '';
private $group_url = null;
private $cache;
-
- private $vlv_active = false;
- private $vlv_count = 0;
/**
@@ -194,6 +191,10 @@
$rcube = rcube::get_instance();
$this->cache = $rcube->get_cache('LDAP.' . asciiwords($this->prop['name']), 'db', 600);
+ // initialize ldap wrapper object
+ $this->prop['attributes'] = array_values($this->fieldmap);
+ $this->ldap = new rcube_ldap_generic($this->prop, true);
+
$this->_connect();
}
@@ -205,49 +206,18 @@
{
$rcube = rcube::get_instance();
- if (!function_exists('ldap_connect'))
- rcube::raise_error(array('code' => 100, 'type' => 'ldap',
- 'file' => __FILE__, 'line' => __LINE__,
- 'message' => "No ldap support in this installation of PHP"),
- true, true);
-
- if (is_resource($this->conn))
+ if ($this->ready)
return true;
if (!is_array($this->prop['hosts']))
$this->prop['hosts'] = array($this->prop['hosts']);
- if (empty($this->prop['ldap_version']))
- $this->prop['ldap_version'] = 3;
-
// try to connect + bind for every host configured
// with OpenLDAP 2.x ldap_connect() always succeeds but ldap_bind will fail if host isn't reachable
// see http://www.php.net/manual/en/function.ldap-connect.php
foreach ($this->prop['hosts'] as $host) {
- $host = rcube_utils::idn_to_ascii(rcube_utils::parse_host($host));
- $hostname = $host.($this->prop['port'] ? ':'.$this->prop['port'] : '');
-
- $this->_debug("C: Connect [$hostname] [{$this->prop['name']}]");
-
- if ($lc = @ldap_connect($host, $this->prop['port'])) {
- if ($this->prop['use_tls'] === true)
- if (!ldap_start_tls($lc))
- continue;
-
- $this->_debug("S: OK");
-
- ldap_set_option($lc, LDAP_OPT_PROTOCOL_VERSION, $this->prop['ldap_version']);
- $this->prop['host'] = $host;
- $this->conn = $lc;
-
- if (!empty($this->prop['network_timeout']))
- ldap_set_option($lc, LDAP_OPT_NETWORK_TIMEOUT, $this->prop['network_timeout']);
-
- if (isset($this->prop['referrals']))
- ldap_set_option($lc, LDAP_OPT_REFERRALS, $this->prop['referrals']);
- }
- else {
- $this->_debug("S: NOT OK");
+ // skip host if connection failed
+ if (!$this->ldap->connect($host)) {
continue;
}
@@ -262,7 +232,7 @@
$this->base_dn = $this->prop['base_dn'];
$this->groups_base_dn = ($this->prop['groups']['base_dn']) ?
- $this->prop['groups']['base_dn'] : $this->base_dn;
+ $this->prop['groups']['base_dn'] : $this->base_dn;
// User specific access, generate the proper values to use.
if ($this->prop['user_specific']) {
@@ -283,7 +253,8 @@
if ($this->prop['search_base_dn'] && $this->prop['search_filter']) {
if (!empty($this->prop['search_bind_dn']) && !empty($this->prop['search_bind_pw'])) {
- $this->bind($this->prop['search_bind_dn'], $this->prop['search_bind_pw']);
+ if (!$this->ldap->bind($this->prop['search_bind_dn'], $this->prop['search_bind_pw']))
+ continue; // bind failed, try neyt host
}
// Search for the dn to use to authenticate
@@ -292,10 +263,11 @@
$this->_debug("S: searching with base {$this->prop['search_base_dn']} for {$this->prop['search_filter']}");
- $res = @ldap_search($this->conn, $this->prop['search_base_dn'], $this->prop['search_filter'], array('uid'));
+ // TODO: use $this->ldap->search() here
+ $res = @ldap_search($this->ldap->conn, $this->prop['search_base_dn'], $this->prop['search_filter'], array('uid'));
if ($res) {
- if (($entry = ldap_first_entry($this->conn, $res))
- && ($bind_dn = ldap_get_dn($this->conn, $entry))
+ if (($entry = ldap_first_entry($this->ldap->conn, $res))
+ && ($bind_dn = ldap_get_dn($this->ldap->conn, $entry))
) {
$this->_debug("S: search returned dn: $bind_dn");
$dn = ldap_explode_dn($bind_dn, 1);
@@ -303,7 +275,7 @@
}
}
else {
- $this->_debug("S: ".ldap_error($this->conn));
+ $this->_debug("S: ".ldap_error($this->ldap->conn));
}
// DN not found
@@ -335,13 +307,13 @@
}
else {
if (!empty($bind_dn)) {
- $this->ready = $this->bind($bind_dn, $bind_pass);
+ $this->ready = $this->ldap->bind($bind_dn, $bind_pass);
}
else if (!empty($this->prop['auth_cid'])) {
- $this->ready = $this->sasl_bind($this->prop['auth_cid'], $bind_pass, $bind_user);
+ $this->ready = $this->ldap->sasl_bind($this->prop['auth_cid'], $bind_pass, $bind_user);
}
else {
- $this->ready = $this->sasl_bind($bind_user, $bind_pass);
+ $this->ready = $this->ldap->sasl_bind($bind_user, $bind_pass);
}
}
@@ -352,10 +324,10 @@
} // end foreach hosts
- if (!is_resource($this->conn)) {
+ if (!is_resource($this->ldap->conn)) {
rcube::raise_error(array('code' => 100, 'type' => 'ldap',
'file' => __FILE__, 'line' => __LINE__,
- 'message' => "Could not connect to any LDAP server, last tried $hostname"), true);
+ 'message' => "Could not connect to any LDAP server, last tried $host"), true);
return false;
}
@@ -365,100 +337,12 @@
/**
- * Bind connection with (SASL-) user and password
- *
- * @param string $authc Authentication user
- * @param string $pass Bind password
- * @param string $authz Autorization user
- *
- * @return boolean True on success, False on error
- */
- public function sasl_bind($authc, $pass, $authz=null)
- {
- if (!$this->conn) {
- return false;
- }
-
- if (!function_exists('ldap_sasl_bind')) {
- rcube::raise_error(array('code' => 100, 'type' => 'ldap',
- 'file' => __FILE__, 'line' => __LINE__,
- 'message' => "Unable to bind: ldap_sasl_bind() not exists"),
- true, true);
- }
-
- if (!empty($authz)) {
- $authz = 'u:' . $authz;
- }
-
- if (!empty($this->prop['auth_method'])) {
- $method = $this->prop['auth_method'];
- }
- else {
- $method = 'DIGEST-MD5';
- }
-
- $this->_debug("C: Bind [mech: $method, authc: $authc, authz: $authz] [pass: $pass]");
-
- if (ldap_sasl_bind($this->conn, NULL, $pass, $method, NULL, $authc, $authz)) {
- $this->_debug("S: OK");
- return true;
- }
-
- $this->_debug("S: ".ldap_error($this->conn));
-
- rcube::raise_error(array(
- 'code' => ldap_errno($this->conn), 'type' => 'ldap',
- 'file' => __FILE__, 'line' => __LINE__,
- 'message' => "Bind failed for authcid=$authc ".ldap_error($this->conn)),
- true);
-
- return false;
- }
-
-
- /**
- * Bind connection with DN and password
- *
- * @param string Bind DN
- * @param string Bind password
- *
- * @return boolean True on success, False on error
- */
- public function bind($dn, $pass)
- {
- if (!$this->conn) {
- return false;
- }
-
- $this->_debug("C: Bind [dn: $dn] [pass: $pass]");
-
- if (@ldap_bind($this->conn, $dn, $pass)) {
- $this->_debug("S: OK");
- return true;
- }
-
- $this->_debug("S: ".ldap_error($this->conn));
-
- rcube::raise_error(array(
- 'code' => ldap_errno($this->conn), 'type' => 'ldap',
- 'file' => __FILE__, 'line' => __LINE__,
- 'message' => "Bind failed for dn=$dn: ".ldap_error($this->conn)),
- true);
-
- return false;
- }
-
-
- /**
* Close connection to LDAP server
*/
function close()
{
- if ($this->conn)
- {
- $this->_debug("C: Close");
- ldap_unbind($this->conn);
- $this->conn = null;
+ if ($this->ldap) {
+ $this->ldap->close();
}
}
@@ -471,6 +355,29 @@
function get_name()
{
return $this->prop['name'];
+ }
+
+
+ /**
+ * Set internal list page
+ *
+ * @param number Page number to list
+ */
+ function set_page($page)
+ {
+ $this->list_page = (int)$page;
+ $this->ldap->set_vlv_page($this->list_page, $this->page_size);
+ }
+
+ /**
+ * Set internal page size
+ *
+ * @param number Number of records to display on one page
+ */
+ function set_pagesize($size)
+ {
+ $this->page_size = (int)$size;
+ $this->ldap->set_vlv_page($this->list_page, $this->page_size);
}
@@ -530,16 +437,14 @@
*/
function list_records($cols=null, $subset=0)
{
- if ($this->prop['searchonly'] && empty($this->filter) && !$this->group_id)
- {
+ if ($this->prop['searchonly'] && empty($this->filter) && !$this->group_id) {
$this->result = new rcube_result_set(0);
$this->result->searchonly = true;
return $this->result;
}
// fetch group members recursively
- if ($this->group_id && $this->group_data['dn'])
- {
+ if ($this->group_id && $this->group_data['dn']) {
$entries = $this->list_group_members($this->group_data['dn']);
// make list of entries unique and sort it
@@ -553,36 +458,34 @@
$entries['count'] = count($entries);
$this->result = new rcube_result_set($entries['count'], ($this->list_page-1) * $this->page_size);
}
- else
- {
+ else {
$prop = $this->group_id ? $this->group_data : $this->prop;
- // add general filter to query
- if (!empty($prop['filter']) && empty($this->filter))
- $this->set_search_set($prop['filter']);
+ // use global search filter
+ if (!empty($this->filter))
+ $prop['filter'] = $this->filter;
// exec LDAP search if no result resource is stored
- if ($this->conn && !$this->ldap_result)
- $this->_exec_search($prop);
+ if ($this->ready && !$this->ldap_result)
+ $this->ldap_result = $this->ldap->search($prop['base_dn'], $prop['filter'], $prop['scope'], $this->prop['attributes'], $prop);
// count contacts for this user
$this->result = $this->count();
// we have a search result resource
- if ($this->ldap_result && $this->result->count > 0)
- {
+ if ($this->ldap_result && $this->result->count > 0) {
// sorting still on the ldap server
- if ($this->sort_col && $prop['scope'] !== 'base' && !$this->vlv_active)
- ldap_sort($this->conn, $this->ldap_result, $this->sort_col);
+ if ($this->sort_col && $prop['scope'] !== 'base' && !$this->ldap->vlv_active)
+ $this->ldap_result->sort($this->sort_col);
// get all entries from the ldap server
- $entries = ldap_get_entries($this->conn, $this->ldap_result);
+ $entries = $this->ldap_result->entries();
}
} // end else
// start and end of the page
- $start_row = $this->vlv_active ? 0 : $this->result->first;
+ $start_row = $this->ldap->vlv_active ? 0 : $this->result->first;
$start_row = $subset < 0 ? $start_row + $this->page_size + $subset : $start_row;
$last_row = $this->result->first + $this->page_size;
$last_row = $subset != 0 ? $start_row + abs($subset) : $last_row;
@@ -608,25 +511,19 @@
// fetch group object
if (empty($entries)) {
$this->_debug("C: Read Group [dn: $dn]");
- $result = @ldap_read($this->conn, $dn, '(objectClass=*)', array('dn','objectClass','member','uniqueMember','memberURL'));
- if ($result === false)
- {
- $this->_debug("S: ".ldap_error($this->conn));
+ $entries = $this->ldap->read_entries($dn, '(objectClass=*)', array('dn','objectClass','member','uniqueMember','memberURL'));
+ if ($entries === false) {
return $group_members;
}
-
- $entries = @ldap_get_entries($this->conn, $result);
}
- for ($i=0; $i < $entries['count']; $i++)
- {
+ for ($i=0; $i < $entries['count']; $i++) {
$entry = $entries[$i];
if (empty($entry['objectclass']))
continue;
- foreach ((array)$entry['objectclass'] as $objectclass)
- {
+ foreach ((array)$entry['objectclass'] as $objectclass) {
switch (strtolower($objectclass)) {
case "group":
case "groupofnames":
@@ -675,18 +572,12 @@
$filter = $this->prop['groups']['member_filter'] ? $this->prop['groups']['member_filter'] : '(objectclass=*)';
- for ($i=0; $i < $entry[$attr]['count']; $i++)
- {
+ for ($i=0; $i < $entry[$attr]['count']; $i++) {
if (empty($entry[$attr][$i]))
continue;
- $result = @ldap_read($this->conn, $entry[$attr][$i], $filter,
- $attrib, 0, (int)$this->prop['sizelimit'], (int)$this->prop['timelimit']);
-
- $members = @ldap_get_entries($this->conn, $result);
- if ($members == false)
- {
- $this->_debug("S: ".ldap_error($this->conn));
+ $members = $this->ldap->read_entries($entry[$attr][$i], $filter, $attrib);
+ if ($members == false) {
$members = array();
}
@@ -720,9 +611,9 @@
// add search filter if any
$filter = $this->filter ? '(&(' . $m[3] . ')(' . $this->filter . '))' : $m[3];
- $attrs = $count ? array('dn') : array_values($this->fieldmap);
- if ($result = $this->ldap_search($m[1], $filter, $m[2], $attrs, $this->group_data)) {
- $entries = @ldap_get_entries($this->conn, $result);
+ $attrs = $count ? array('dn') : $this->prop['attributes'];
+ if ($result = $this->ldap->search($m[1], $filter, $m[2], $attrs, $this->group_data)) {
+ $entries = $result->entries();
for ($j = 0; $j < $entries['count']; $j++) {
if ($nested_group_members = $this->list_group_members($entries[$j]['dn'], $count))
$group_members = array_merge($group_members, $nested_group_members);
@@ -764,14 +655,11 @@
$mode = intval($mode);
// special treatment for ID-based search
- if ($fields == 'ID' || $fields == $this->primary_key)
- {
+ if ($fields == 'ID' || $fields == $this->primary_key) {
$ids = !is_array($value) ? explode(',', $value) : $value;
$result = new rcube_result_set();
- foreach ($ids as $id)
- {
- if ($rec = $this->get_record($id, true))
- {
+ foreach ($ids as $id) {
+ if ($rec = $this->get_record($id, true)) {
$result->add($rec);
$result->count++;
}
@@ -783,32 +671,17 @@
$rcube = rcube::get_instance();
$list_fields = $rcube->config->get('contactlist_fields');
- if ($this->prop['vlv_search'] && $this->conn && join(',', (array)$fields) == join(',', $list_fields))
- {
- // add general filter to query
- if (!empty($this->prop['filter']) && empty($this->filter))
- $this->set_search_set($this->prop['filter']);
-
- // set VLV controls with encoded search string
- $this->_vlv_set_controls($this->prop, $this->list_page, $this->page_size, $value);
-
- $function = $this->_scope2func($this->prop['scope']);
- $this->ldap_result = @$function($this->conn, $this->base_dn, $this->filter ? $this->filter : '(objectclass=*)',
- array_values($this->fieldmap), 0, $this->page_size, (int)$this->prop['timelimit']);
-
+ if ($this->prop['vlv_search'] && $this->ready && join(',', (array)$fields) == join(',', $list_fields)) {
+ $entries = $this->ldap->search($this->base_dn, $this->prop['filter'], $this->prop['scope'], $this->prop['attributes'],
+ array('vlv' => true, 'search' => $value, 'sort' => $this->prop['sort']));
$this->result = new rcube_result_set(0);
- if (!$this->ldap_result) {
- $this->_debug("S: ".ldap_error($this->conn));
+ if ($entries === false) {
return $this->result;
}
- $this->_debug("S: ".ldap_count_entries($this->conn, $this->ldap_result)." record(s)");
-
// get all entries of this page and post-filter those that really match the query
$search = mb_strtolower($value);
- $entries = ldap_get_entries($this->conn, $this->ldap_result);
-
for ($i = 0; $i < $entries['count']; $i++) {
$rec = $this->_ldap2result($entries[$i]);
foreach ($fields as $f) {
@@ -836,24 +709,20 @@
}
}
- if ($fields == '*')
- {
+ if ($fields == '*') {
// search_fields are required for fulltext search
- if (empty($this->prop['search_fields']))
- {
+ if (empty($this->prop['search_fields'])) {
$this->set_error(self::ERROR_SEARCH, 'nofulltextsearch');
$this->result = new rcube_result_set();
return $this->result;
}
- if (is_array($this->prop['search_fields']))
- {
+ if (is_array($this->prop['search_fields'])) {
foreach ($this->prop['search_fields'] as $field) {
$filter .= "($field=$wp" . $this->_quote_string($value) . "$ws)";
}
}
}
- else
- {
+ else {
foreach ((array)$fields as $idx => $field) {
$val = is_array($value) ? $value[$idx] : $value;
if ($attrs = $this->_map_field($field)) {
@@ -893,7 +762,6 @@
// set filter string and execute search
$this->set_search_set($filter);
- $this->_exec_search($this->prop);
if ($select)
$this->list_records();
@@ -912,22 +780,21 @@
function count()
{
$count = 0;
- if ($this->conn && $this->ldap_result) {
- $count = $this->vlv_active ? $this->vlv_count : ldap_count_entries($this->conn, $this->ldap_result);
+ if ($this->ldap_result) {
+ $count = $this->ldap_result->count();
}
else if ($this->group_id && $this->group_data['dn']) {
$count = count($this->list_group_members($this->group_data['dn'], true));
}
- else if ($this->conn) {
+ // We have a connection but no result set, attempt to get one.
+ else if ($this->ready) {
$prop = $this->group_id ? $this->group_data : $this->prop;
- // We have a connection but no result set, attempt to get one.
- if (empty($this->filter)) {
- // The filter is not set, set it.
- $this->filter = $prop['filter'];
+ if (!empty($this->filter)) { // Use global search filter
+ $prop['filter'] = $this->filter;
}
- $count = (int) $this->_exec_search($prop, true);
+ $count = $this->ldap->search($prop['base_dn'], $prop['filter'], $prop['scope'], array('dn'), $prop, true);
}
return new rcube_result_set($count, ($this->list_page-1) * $this->page_size);
@@ -957,28 +824,16 @@
{
$res = $this->result = null;
- if ($this->conn && $dn)
- {
+ if ($this->ready && $dn) {
$dn = self::dn_decode($dn);
- $this->_debug("C: Read [dn: $dn] [(objectclass=*)]");
-
- if ($ldap_result = @ldap_read($this->conn, $dn, '(objectclass=*)', array_values($this->fieldmap))) {
- $this->_debug("S: OK");
-
- $entry = ldap_first_entry($this->conn, $ldap_result);
-
- if ($entry && ($rec = ldap_get_attributes($this->conn, $entry))) {
- $rec = array_change_key_case($rec, CASE_LOWER);
- }
- }
- else {
- $this->_debug("S: ".ldap_error($this->conn));
+ if ($rec = $this->ldap->get_entry($dn)) {
+ $rec = array_change_key_case($rec, CASE_LOWER);
}
// Use ldap_list to get subentries like country (c) attribute (#1488123)
if (!empty($rec) && $this->sub_filter) {
- if ($entries = $this->ldap_list($dn, $this->sub_filter, array_keys($this->prop['sub_fields']))) {
+ if ($entries = $this->ldap->list_entries($dn, $this->sub_filter, array_keys($this->prop['sub_fields']))) {
foreach ($entries as $entry) {
$lrec = array_change_key_case($entry, CASE_LOWER);
$rec = array_merge($lrec, $rec);
@@ -990,7 +845,7 @@
// Add in the dn for the entry.
$rec['dn'] = $dn;
$res = $this->_ldap2result($rec);
- $this->result = new rcube_result_set();
+ $this->result = new rcube_result_set(1);
$this->result->add($res);
}
}
@@ -1117,7 +972,7 @@
}
}
- if (!$this->ldap_add($dn, $newentry)) {
+ if (!$this->ldap->add($dn, $newentry)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
@@ -1129,7 +984,7 @@
'objectClass' => (array) $this->prop['sub_fields'][$xidx],
);
- $this->ldap_add($xdn, $xf);
+ $this->ldap->add($xdn, $xf);
}
$dn = self::dn_encode($dn);
@@ -1235,7 +1090,7 @@
// Update the entry as required.
if (!empty($deletedata)) {
// Delete the fields.
- if (!$this->ldap_mod_del($dn, $deletedata)) {
+ if (!$this->ldap->mod_del($dn, $deletedata)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
@@ -1255,7 +1110,7 @@
}
// Replace the fields.
if (!empty($replacedata)) {
- if (!$this->ldap_mod_replace($dn, $replacedata)) {
+ if (!$this->ldap->mod_replace($dn, $replacedata)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
@@ -1272,7 +1127,7 @@
if (!empty($subdeldata)) {
foreach ($subdeldata as $fld => $val) {
$subdn = $fld.'='.$this->_quote_string($val).','.$dn;
- if (!$this->ldap_delete($subdn)) {
+ if (!$this->ldap->delete($subdn)) {
return false;
}
}
@@ -1280,7 +1135,7 @@
if (!empty($newdata)) {
// Add the fields.
- if (!$this->ldap_mod_add($dn, $newdata)) {
+ if (!$this->ldap->mod_add($dn, $newdata)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
@@ -1288,7 +1143,7 @@
// Handle RDN change
if (!empty($newrdn)) {
- if (!$this->ldap_rename($dn, $newrdn, null, true)) {
+ if (!$this->ldap->rename($dn, $newrdn, null, true)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
@@ -1317,7 +1172,7 @@
$fld => $val,
'objectClass' => (array) $this->prop['sub_fields'][$fld],
);
- $this->ldap_add($subdn, $xf);
+ $this->ldap->add($subdn, $xf);
}
}
@@ -1345,9 +1200,9 @@
// Need to delete all sub-entries first
if ($this->sub_filter) {
- if ($entries = $this->ldap_list($dn, $this->sub_filter)) {
+ if ($entries = $this->ldap->list_entries($dn, $this->sub_filter)) {
foreach ($entries as $entry) {
- if (!$this->ldap_delete($entry['dn'])) {
+ if (!$this->ldap->delete($entry['dn'])) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
@@ -1356,7 +1211,7 @@
}
// Delete the record.
- if (!$this->ldap_delete($dn)) {
+ if (!$this->ldap->delete($dn)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
@@ -1380,8 +1235,8 @@
*/
function delete_all()
{
- //searching for contact entries
- $dn_list = $this->ldap_list($this->base_dn, $this->prop['filter'] ? $this->prop['filter'] : '(objectclass=*)');
+ // searching for contact entries
+ $dn_list = $this->ldap->list_entries($this->base_dn, $this->prop['filter'] ? $this->prop['filter'] : '(objectclass=*)');
if (!empty($dn_list)) {
foreach ($dn_list as $idx => $entry) {
@@ -1414,86 +1269,6 @@
$attrs[$lf] = $templ;
}
}
- }
-
- /**
- * Execute the LDAP search based on the stored credentials
- */
- private function _exec_search($prop, $count = false)
- {
- if ($this->ready)
- {
- $function = $this->_scope2func($prop['scope'], $ns_function);
- $base_dn = $this->group_id && $prop['base_dn'] ? $prop['base_dn'] : $this->base_dn;
-
- // when using VLV, we get the total count by...
- if (!$count && $function != 'ldap_read' && $prop['vlv']) {
- // ...either reading numSubOrdinates attribute
- if ($prop['numsub_filter'] && ($result_count = @$ns_function($this->conn, $base_dn, $prop['numsub_filter'], array('numSubOrdinates'), 0, 0, 0))) {
- $counts = ldap_get_entries($this->conn, $result_count);
- for ($this->vlv_count = $j = 0; $j < $counts['count']; $j++)
- $this->vlv_count += $counts[$j]['numsubordinates'][0];
- $this->_debug("D: total numsubordinates = " . $this->vlv_count);
- }
- else if (!function_exists('ldap_parse_virtuallist_control')) // ...or by fetching all records dn and count them
- $this->vlv_count = $this->_exec_search($prop, true);
- }
-
- $filter = $this->filter ? $this->filter : '(objectclass=*)';
- $attrs = $count ? array('dn') : array_values($this->fieldmap); // only fetch dn for count (should keep the payload low)
- if ($this->ldap_result = $this->ldap_search($base_dn, $filter, $prop['scope'], $attrs, $prop)) {
- if ($count) {
- return ldap_count_entries($this->conn, $this->ldap_result);
- }
- else {
- return true;
- }
- }
- }
-
- return false;
- }
-
- /**
- * Choose the right PHP function according to scope property
- */
- private function _scope2func($scope, &$ns_function = null)
- {
- switch ($scope) {
- case 'sub':
- $function = $ns_function = 'ldap_search';
- break;
- case 'base':
- $function = $ns_function = 'ldap_read';
- break;
- default:
- $function = 'ldap_list';
- $ns_function = 'ldap_read';
- break;
- }
-
- return $function;
- }
-
- /**
- * Set server controls for Virtual List View (paginated listing)
- */
- private function _vlv_set_controls($prop, $list_page, $page_size, $search = null)
- {
- $sort_ctrl = array('oid' => "1.2.840.113556.1.4.473", 'value' => $this->_sort_ber_encode((array)$prop['sort']));
- $vlv_ctrl = array('oid' => "2.16.840.1.113730.3.4.9", 'value' => $this->_vlv_ber_encode(($offset = ($list_page-1) * $page_size + 1), $page_size, $search), 'iscritical' => true);
-
- $sort = (array)$prop['sort'];
- $this->_debug("C: set controls sort=" . join(' ', unpack('H'.(strlen($sort_ctrl['value'])*2), $sort_ctrl['value'])) . " ($sort[0]);"
- . " vlv=" . join(' ', (unpack('H'.(strlen($vlv_ctrl['value'])*2), $vlv_ctrl['value']))) . " ($offset/$page_size)");
-
- if (!ldap_set_option($this->conn, LDAP_OPT_SERVER_CONTROLS, array($sort_ctrl, $vlv_ctrl))) {
- $this->_debug("S: ".ldap_error($this->conn));
- $this->set_error(self::ERROR_SEARCH, 'vlvnotsupported');
- return false;
- }
-
- return true;
}
@@ -1739,7 +1514,7 @@
}
foreach ($this->prop['group_filters'] as $id => $prop) {
- $groups[$id] = $prop + array('ID' => $id, 'name' => ucfirst($id), 'virtual' => true);
+ $groups[$id] = $prop + array('ID' => $id, 'name' => ucfirst($id), 'virtual' => true, 'base_dn' => $this->base_dn);
}
return $groups;
@@ -1752,46 +1527,46 @@
$sort_attrs = $this->prop['groups']['sort'] ? (array)$this->prop['groups']['sort'] : array($name_attr);
$sort_attr = $sort_attrs[0];
- $this->_debug("C: Search [$filter][dn: $base_dn]");
+ $ldap = $this->ldap;
// use vlv to list groups
if ($this->prop['groups']['vlv']) {
$page_size = 200;
if (!$this->prop['groups']['sort'])
$this->prop['groups']['sort'] = $sort_attrs;
- $vlv_active = $this->_vlv_set_controls($this->prop['groups'], $vlv_page+1, $page_size);
+
+ $ldap = clone $this->ldap;
+ $ldap->set_config($this->prop['groups']);
+ $ldap->set_vlv_page($vlv_page+1, $page_size);
}
- $function = $this->_scope2func($this->prop['groups']['scope'], $ns_function);
- $res = @$function($this->conn, $base_dn, $filter, array_unique(array('dn', 'objectClass', $name_attr, $email_attr, $sort_attr)));
- if ($res === false)
- {
- $this->_debug("S: ".ldap_error($this->conn));
+ $attrs = array_unique(array('dn', 'objectClass', $name_attr, $email_attr, $sort_attr));
+ $ldap_data = $ldap->search($base_dn, $filter, $this->prop['groups']['scope'], $attrs, $this->prop['groups']);
+ if ($ldap_data === false) {
return array();
}
- $ldap_data = ldap_get_entries($this->conn, $res);
- $this->_debug("S: ".ldap_count_entries($this->conn, $res)." record(s)");
-
$groups = array();
$group_sortnames = array();
- $group_count = $ldap_data["count"];
- for ($i=0; $i < $group_count; $i++)
- {
- $group_name = is_array($ldap_data[$i][$name_attr]) ? $ldap_data[$i][$name_attr][0] : $ldap_data[$i][$name_attr];
- $group_id = self::dn_encode($ldap_data[$i]['dn']);
+ $group_count = $ldap_data->count();
+ foreach ($ldap_data as $entry) {
+ if (!$entry['dn']) // DN is mandatory
+ $entry['dn'] = $ldap_data->get_dn();
+
+ $group_name = is_array($entry[$name_attr]) ? $entry[$name_attr][0] : $entry[$name_attr];
+ $group_id = self::dn_encode($entry['dn']);
$groups[$group_id]['ID'] = $group_id;
- $groups[$group_id]['dn'] = $ldap_data[$i]['dn'];
+ $groups[$group_id]['dn'] = $entry['dn'];
$groups[$group_id]['name'] = $group_name;
- $groups[$group_id]['member_attr'] = $this->get_group_member_attr($ldap_data[$i]['objectclass']);
+ $groups[$group_id]['member_attr'] = $this->get_group_member_attr($entry['objectclass']);
// list email attributes of a group
- for ($j=0; $ldap_data[$i][$email_attr] && $j < $ldap_data[$i][$email_attr]['count']; $j++) {
- if (strpos($ldap_data[$i][$email_attr][$j], '@') > 0)
- $groups[$group_id]['email'][] = $ldap_data[$i][$email_attr][$j];
+ for ($j=0; $entry[$email_attr] && $j < $entry[$email_attr]['count']; $j++) {
+ if (strpos($entry[$email_attr][$j], '@') > 0)
+ $groups[$group_id]['email'][] = $entry[$email_attr][$j];
}
- $group_sortnames[] = mb_strtolower($ldap_data[$i][$sort_attr][0]);
+ $group_sortnames[] = mb_strtolower($entry[$sort_attr][0]);
}
// recursive call can exit here
@@ -1799,8 +1574,7 @@
return $groups;
// call recursively until we have fetched all groups
- while ($vlv_active && $group_count == $page_size)
- {
+ while ($this->prop['groups']['vlv'] && $group_count == $page_size) {
$next_page = $this->_fetch_groups(++$vlv_page);
$groups = array_merge($groups, $next_page);
$group_count = count($next_page);
@@ -1830,8 +1604,7 @@
$dn = self::dn_decode($group_id);
$this->_debug("C: Read Group [dn: $dn]");
- if ($result = @ldap_read($this->conn, $dn, '(objectClass=*)', array('dn','objectClass','member','uniqueMember','memberURL',$name_attr,$this->fieldmap['email']))) {
- $list = ldap_get_entries($this->conn, $result);
+ if ($list = $this->ldap->read_entries($dn, '(objectClass=*)', array('dn','objectClass','member','uniqueMember','memberURL',$name_attr,$this->fieldmap['email']))) {
$entry = $list[0];
$group_name = is_array($entry[$name_attr]) ? $entry[$name_attr][0] : $entry[$name_attr];
$group_cache[$group_id]['ID'] = $group_id;
@@ -1840,7 +1613,6 @@
$group_cache[$group_id]['member_attr'] = $this->get_group_member_attr($entry['objectclass']);
}
else {
- $this->_debug("S: ".ldap_error($this->conn));
$group_cache[$group_id] = false;
}
@@ -1884,7 +1656,7 @@
$member_attr => '',
);
- if (!$this->ldap_add($new_dn, $new_entry)) {
+ if (!$this->ldap->add($new_dn, $new_entry)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
@@ -1909,7 +1681,7 @@
$group_name = $group_cache[$group_id]['name'];
$del_dn = "cn=$group_name,$base_dn";
- if (!$this->ldap_delete($del_dn)) {
+ if (!$this->ldap->delete($del_dn)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
@@ -1938,7 +1710,7 @@
$new_rdn = "cn=$new_name";
$new_gid = self::dn_encode($new_name);
- if (!$this->ldap_rename($old_dn, $new_rdn, null, true)) {
+ if (!$this->ldap->rename($old_dn, $new_rdn, null, true)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
@@ -1972,7 +1744,7 @@
foreach ($contact_ids as $id)
$new_attrs[$member_attr][] = self::dn_decode($id);
- if (!$this->ldap_mod_add($group_dn, $new_attrs)) {
+ if (!$this->ldap->mod_add($group_dn, $new_attrs)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return 0;
}
@@ -2003,7 +1775,7 @@
foreach (explode(",", $contact_ids) as $id)
$del_attrs[$member_attr][] = self::dn_decode($id);
- if (!$this->ldap_mod_del($group_dn, $del_attrs)) {
+ if (!$this->ldap->mod_del($group_dn, $del_attrs)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return 0;
}
@@ -2035,23 +1807,18 @@
$add_filter = "($member_attr=$contact_dn)";
$filter = strtr("(|(member=$contact_dn)(uniqueMember=$contact_dn)$add_filter)", array('\\' => '\\\\'));
- $this->_debug("C: Search [$filter][dn: $base_dn]");
-
- $res = @ldap_search($this->conn, $base_dn, $filter, array('dn', $name_attr));
- if ($res === false)
- {
- $this->_debug("S: ".ldap_error($this->conn));
+ $ldap_data = $this->ldap->search($base_dn, $filter, 'sub', array('dn', $name_attr));
+ if ($res === false) {
return array();
}
- $ldap_data = ldap_get_entries($this->conn, $res);
- $this->_debug("S: ".ldap_count_entries($this->conn, $res)." record(s)");
$groups = array();
- for ($i=0; $i<$ldap_data["count"]; $i++)
- {
- $group_name = $ldap_data[$i][$name_attr][0];
- $group_id = self::dn_encode($ldap_data[$i]['dn']);
- $groups[$group_id] = array('ID' => $group_id, 'name' => $group_name, 'dn' => $ldap_data[$i]['dn']);
+ foreach ($ldap_data as $entry) {
+ if (!$entry['dn'])
+ $entry['dn'] = $ldap_data->get_dn();
+ $group_name = $entry[$name_attr][0];
+ $group_id = self::dn_encode($entry['dn']);
+ $groups[$group_id] = array('ID' => $group_id, 'name' => $group_name, 'dn' => $entry['dn']);
}
return $groups;
}
@@ -2094,135 +1861,6 @@
/**
- * Generate BER encoded string for Virtual List View option
- *
- * @param integer List offset (first record)
- * @param integer Records per page
- * @return string BER encoded option value
- */
- private function _vlv_ber_encode($offset, $rpp, $search = '')
- {
- # this string is ber-encoded, php will prefix this value with:
- # 04 (octet string) and 10 (length of 16 bytes)
- # the code behind this string is broken down as follows:
- # 30 = ber sequence with a length of 0e (14) bytes following
- # 02 = type integer (in two's complement form) with 2 bytes following (beforeCount): 01 00 (ie 0)
- # 02 = type integer (in two's complement form) with 2 bytes following (afterCount): 01 18 (ie 25-1=24)
- # a0 = type context-specific/constructed with a length of 06 (6) bytes following
- # 02 = type integer with 2 bytes following (offset): 01 01 (ie 1)
- # 02 = type integer with 2 bytes following (contentCount): 01 00
-
- # whith a search string present:
- # 81 = type context-specific/constructed with a length of 04 (4) bytes following (the length will change here)
- # 81 indicates a user string is present where as a a0 indicates just a offset search
- # 81 = type context-specific/constructed with a length of 06 (6) bytes following
-
- # the following info was taken from the ISO/IEC 8825-1:2003 x.690 standard re: the
- # encoding of integer values (note: these values are in
- # two-complement form so since offset will never be negative bit 8 of the
- # leftmost octet should never by set to 1):
- # 8.3.2: If the contents octets of an integer value encoding consist
- # of more than one octet, then the bits of the first octet (rightmost) and bit 8
- # of the second (to the left of first octet) octet:
- # a) shall not all be ones; and
- # b) shall not all be zero
-
- if ($search)
- {
- $search = preg_replace('/[^-[:alpha:] ,.()0-9]+/', '', $search);
- $ber_val = self::_string2hex($search);
- $str = self::_ber_addseq($ber_val, '81');
- }
- else
- {
- # construct the string from right to left
- $str = "020100"; # contentCount
-
- $ber_val = self::_ber_encode_int($offset); // returns encoded integer value in hex format
-
- // calculate octet length of $ber_val
- $str = self::_ber_addseq($ber_val, '02') . $str;
-
- // now compute length over $str
- $str = self::_ber_addseq($str, 'a0');
- }
-
- // now tack on records per page
- $str = "020100" . self::_ber_addseq(self::_ber_encode_int($rpp-1), '02') . $str;
-
- // now tack on sequence identifier and length
- $str = self::_ber_addseq($str, '30');
-
- return pack('H'.strlen($str), $str);
- }
-
-
- /**
- * create ber encoding for sort control
- *
- * @param array List of cols to sort by
- * @return string BER encoded option value
- */
- private function _sort_ber_encode($sortcols)
- {
- $str = '';
- foreach (array_reverse((array)$sortcols) as $col) {
- $ber_val = self::_string2hex($col);
-
- # 30 = ber sequence with a length of octet value
- # 04 = octet string with a length of the ascii value
- $oct = self::_ber_addseq($ber_val, '04');
- $str = self::_ber_addseq($oct, '30') . $str;
- }
-
- // now tack on sequence identifier and length
- $str = self::_ber_addseq($str, '30');
-
- return pack('H'.strlen($str), $str);
- }
-
- /**
- * Add BER sequence with correct length and the given identifier
- */
- private static function _ber_addseq($str, $identifier)
- {
- $len = dechex(strlen($str)/2);
- if (strlen($len) % 2 != 0)
- $len = '0'.$len;
-
- return $identifier . $len . $str;
- }
-
- /**
- * Returns BER encoded integer value in hex format
- */
- private static function _ber_encode_int($offset)
- {
- $val = dechex($offset);
- $prefix = '';
-
- // check if bit 8 of high byte is 1
- if (preg_match('/^[89abcdef]/', $val))
- $prefix = '00';
-
- if (strlen($val)%2 != 0)
- $prefix .= '0';
-
- return $prefix . $val;
- }
-
- /**
- * Returns ascii string encoded in hex
- */
- private static function _string2hex($str)
- {
- $hex = '';
- for ($i=0; $i < strlen($str); $i++)
- $hex .= dechex(ord($str[$i]));
- return $hex;
- }
-
- /**
* HTML-safe DN string encoding
*
* @param string $str DN string
@@ -2247,185 +1885,6 @@
{
$str = str_pad(strtr($str, '-_', '+/'), strlen($str) % 4, '=', STR_PAD_RIGHT);
return base64_decode($str);
- }
-
- /**
- * Wrapper for ldap_search or ldap_list depending on the given scope.
- * It optionally uses VLV index if configured in $prop
- *
- * @param string Base DN to read from
- * @param string Query filter to use
- * @param string Listing scope (sub|list|base)
- * @param array List of entry attributes to read
- * @param array Hash array with query configuration properties:
- * - vlv: true if VLV index should be used
- * - sort: array of sort attributes (has to be in sync with the VLV index)
- */
- protected function ldap_search($base_dn, $filter = '(objectclass=*)', $scope = 'sub', $attrs = array('dn'), $prop = array())
- {
- if ($this->ready) {
- $this->_debug("C: LDAP Search [$filter][dn: $base_dn]");
-
- // set VLV controls if requested
- if ($prop['vlv'] && $scope != 'base')
- $this->vlv_active = $this->_vlv_set_controls($prop, $this->list_page, $this->page_size);
-
- $function = $this->_scope2func($scope);
- if ($ldap_result = $function($this->conn, $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')) {
- if (ldap_parse_result($this->conn, $this->ldap_result,
- $errcode, $matcheddn, $errmsg, $referrals, $serverctrls)
- && $serverctrls // can be null e.g. in case of adm. limit error
- ) {
- ldap_parse_virtuallist_control($this->conn, $serverctrls,
- $last_offset, $this->vlv_count, $vresult);
- $this->_debug("S: VLV result: last_offset=$last_offset; content_count=$this->vlv_count");
- }
- else {
- $this->_debug("S: ".($errmsg ? $errmsg : ldap_error($this->conn)));
- }
- }
-
- $entries_count = ldap_count_entries($this->conn, $ldap_result);
- $this->_debug("S: $entries_count record(s)");
-
- return $ldap_result;
- }
- else {
- $this->_debug("S: ".ldap_error($this->conn));
- }
- }
-
- return false;
- }
-
- /**
- * Wrapper for ldap_add()
- */
- protected function ldap_add($dn, $entry)
- {
- $this->_debug("C: Add [dn: $dn]: ".print_r($entry, true));
-
- $res = ldap_add($this->conn, $dn, $entry);
- if ($res === false) {
- $this->_debug("S: ".ldap_error($this->conn));
- return false;
- }
-
- $this->_debug("S: OK");
- return true;
- }
-
- /**
- * Wrapper for ldap_delete()
- */
- protected function ldap_delete($dn)
- {
- $this->_debug("C: Delete [dn: $dn]");
-
- $res = ldap_delete($this->conn, $dn);
- if ($res === false) {
- $this->_debug("S: ".ldap_error($this->conn));
- return false;
- }
-
- $this->_debug("S: OK");
- return true;
- }
-
- /**
- * Wrapper for ldap_mod_replace()
- */
- protected function ldap_mod_replace($dn, $entry)
- {
- $this->_debug("C: Replace [dn: $dn]: ".print_r($entry, true));
-
- if (!ldap_mod_replace($this->conn, $dn, $entry)) {
- $this->_debug("S: ".ldap_error($this->conn));
- return false;
- }
-
- $this->_debug("S: OK");
- return true;
- }
-
- /**
- * Wrapper for ldap_mod_add()
- */
- protected function ldap_mod_add($dn, $entry)
- {
- $this->_debug("C: Add [dn: $dn]: ".print_r($entry, true));
-
- if (!ldap_mod_add($this->conn, $dn, $entry)) {
- $this->_debug("S: ".ldap_error($this->conn));
- return false;
- }
-
- $this->_debug("S: OK");
- return true;
- }
-
- /**
- * Wrapper for ldap_mod_del()
- */
- protected function ldap_mod_del($dn, $entry)
- {
- $this->_debug("C: Delete [dn: $dn]: ".print_r($entry, true));
-
- if (!ldap_mod_del($this->conn, $dn, $entry)) {
- $this->_debug("S: ".ldap_error($this->conn));
- return false;
- }
-
- $this->_debug("S: OK");
- return true;
- }
-
- /**
- * Wrapper for ldap_rename()
- */
- protected function ldap_rename($dn, $newrdn, $newparent = null, $deleteoldrdn = true)
- {
- $this->_debug("C: Rename [dn: $dn] [dn: $newrdn]");
-
- if (!ldap_rename($this->conn, $dn, $newrdn, $newparent, $deleteoldrdn)) {
- $this->_debug("S: ".ldap_error($this->conn));
- return false;
- }
-
- $this->_debug("S: OK");
- return true;
- }
-
- /**
- * Wrapper for ldap_list()
- */
- protected function ldap_list($dn, $filter, $attrs = array(''))
- {
- $list = array();
- $this->_debug("C: List [dn: $dn] [{$filter}]");
-
- if ($result = ldap_list($this->conn, $dn, $filter, $attrs)) {
- $list = ldap_get_entries($this->conn, $result);
-
- if ($list === false) {
- $this->_debug("S: ".ldap_error($this->conn));
- return array();
- }
-
- $count = $list['count'];
- unset($list['count']);
-
- $this->_debug("S: $count record(s)");
- }
- else {
- $this->_debug("S: ".ldap_error($this->conn));
- }
-
- return $list;
}
}
diff --git a/program/lib/Roundcube/rcube_ldap_generic.php b/program/lib/Roundcube/rcube_ldap_generic.php
new file mode 100644
index 0000000..01d3fa8
--- /dev/null
+++ b/program/lib/Roundcube/rcube_ldap_generic.php
@@ -0,0 +1,908 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | Roundcube/rcube_ldap_generic.php |
+ | |
+ | This file is part of the Roundcube Webmail client |
+ | Copyright (C) 2006-2013, The Roundcube Dev Team |
+ | Copyright (C) 2012-2013, Kolab Systems AG |
+ | |
+ | Licensed under the GNU General Public License version 3 or |
+ | any later version with exceptions for skins & plugins. |
+ | See the README file for a full license statement. |
+ | |
+ | PURPOSE: |
+ | Provide basic functionality for accessing LDAP directories |
+ | |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com> |
+ | Aleksander Machniak <machniak@kolabsys.com> |
+ +-----------------------------------------------------------------------+
+*/
+
+
+/*
+ LDAP connection properties
+ --------------------------
+
+ $prop = array(
+ 'host' => '<ldap-server-address>',
+ // or
+ 'hosts' => array('directory.verisign.com'),
+ 'port' => 389,
+ 'use_tls' => true|false,
+ 'ldap_version' => 3, // using LDAPv3
+ 'auth_method' => '', // SASL authentication method (for proxy auth), e.g. DIGEST-MD5
+ 'attributes' => array('dn'), // List of attributes to read from the server
+ 'vlv' => false, // Enable Virtual List View to more efficiently fetch paginated data (if server supports it)
+ 'sort' => array('cn'), // Sort attributes of the VLV index
+ 'numsub_filter' => '(objectClass=organizationalUnit)', // with VLV, we also use numSubOrdinates to query the total number of records. Set this filter to get all numSubOrdinates attributes for counting
+ 'sizelimit' => '0', // Enables you to limit the count of entries fetched. Setting this to 0 means no limit.
+ 'timelimit' => '0', // Sets the number of seconds how long is spend on the search. Setting this to 0 means no limit.
+ 'network_timeout' => 10, // The timeout (in seconds) for connect + bind arrempts. This is only supported in PHP >= 5.3.0 with OpenLDAP 2.x
+ 'referrals' => true|false, // Sets the LDAP_OPT_REFERRALS option. Mostly used in multi-domain Active Directory setups
+ );
+*/
+
+/**
+ * Model class to access an LDAP directories
+ *
+ * @package Framework
+ * @subpackage LDAP
+ */
+class rcube_ldap_generic
+{
+ const UPDATE_MOD_ADD = 1;
+ const UPDATE_MOD_DELETE = 2;
+ const UPDATE_MOD_REPLACE = 4;
+ const UPDATE_MOD_FULL = 7;
+
+ public $conn;
+ public $vlv_active = false;
+
+ /** private properties */
+ protected $config = array();
+ protected $attributes = array('dn');
+ protected $entries = null;
+ protected $result = null;
+ protected $debug = false;
+ protected $list_page = 1;
+ protected $page_size = 10;
+
+
+ /**
+ * Object constructor
+ *
+ * @param array $p LDAP connection properties
+ * @param boolean $debug Enables debug mode
+ */
+ function __construct($p, $debug = false)
+ {
+ $this->config = $p;
+
+ if (is_array($p['attributes']))
+ $this->attributes = $p['attributes'];
+
+ if (!is_array($p['hosts']) && !empty($p['host']))
+ $this->config['hosts'] = array($p['host']);
+
+ $this->debug = $debug;
+ }
+
+ /**
+ * Activate/deactivate debug mode
+ *
+ * @param boolean $dbg True if LDAP commands should be logged
+ */
+ public function set_debug($dbg = true)
+ {
+ $this->debug = $dbg;
+ }
+
+ /**
+ * Set connection options
+ *
+ * @param mixed $opt Option name as string or hash array with multiple options
+ * @param mixed $val Option value
+ */
+ public function set_config($opt, $val = null)
+ {
+ if (is_array($opt))
+ $this->config = array_merge($this->config, $opt);
+ else
+ $this->config[$opt] = $value;
+ }
+
+
+ /**
+ * Set properties for VLV-based paging
+ *
+ * @param number $page Page number to list (starting at 1)
+ * @param number $size Number of entries to display on one page
+ */
+ public function set_vlv_page($page, $size = 10)
+ {
+ $this->list_page = $page;
+ $this->page_size = $size;
+ }
+
+
+ /**
+ * Establish a connection to the LDAP server
+ */
+ public function connect($host = null)
+ {
+ if (!function_exists('ldap_connect')) {
+ rcube::raise_error(array('code' => 100, 'type' => 'ldap',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "No ldap support in this installation of PHP"),
+ true);
+ return false;
+ }
+
+ if (is_resource($this->conn) && $this->config['host'] == $host)
+ return true;
+
+ if (empty($this->config['ldap_version']))
+ $this->config['ldap_version'] = 3;
+
+ // iterate over hosts if none specified
+ if (!$host) {
+ if (!is_array($this->config['hosts']))
+ $this->config['hosts'] = array($this->config['hosts']);
+
+ foreach ($this->config['hosts'] as $host) {
+ if ($this->connect($host)) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ // open connection to the given $host
+ $host = rcube_utils::idn_to_ascii(rcube_utils::parse_host($host));
+ $hostname = $host . ($this->config['port'] ? ':'.$this->config['port'] : '');
+
+ $this->_debug("C: Connect [$hostname] [{$this->config['name']}]");
+
+ if ($lc = @ldap_connect($host, $this->config['port'])) {
+ if ($this->config['use_tls'] === true)
+ if (!ldap_start_tls($lc))
+ continue;
+
+ $this->_debug("S: OK");
+
+ ldap_set_option($lc, LDAP_OPT_PROTOCOL_VERSION, $this->config['ldap_version']);
+ $this->config['host'] = $host;
+ $this->conn = $lc;
+
+ if (!empty($this->config['network_timeout']))
+ ldap_set_option($lc, LDAP_OPT_NETWORK_TIMEOUT, $this->config['network_timeout']);
+
+ if (isset($this->config['referrals']))
+ ldap_set_option($lc, LDAP_OPT_REFERRALS, $this->config['referrals']);
+ }
+ else {
+ $this->_debug("S: NOT OK");
+ }
+
+ if (!is_resource($this->conn)) {
+ rcube::raise_error(array('code' => 100, 'type' => 'ldap',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Could not connect to any LDAP server, last tried $hostname"),
+ true);
+ return false;
+ }
+
+ return true;
+ }
+
+
+ /**
+ * Bind connection with (SASL-) user and password
+ *
+ * @param string $authc Authentication user
+ * @param string $pass Bind password
+ * @param string $authz Autorization user
+ *
+ * @return boolean True on success, False on error
+ */
+ public function sasl_bind($authc, $pass, $authz=null)
+ {
+ if (!$this->conn) {
+ return false;
+ }
+
+ if (!function_exists('ldap_sasl_bind')) {
+ rcube::raise_error(array('code' => 100, 'type' => 'ldap',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Unable to bind: ldap_sasl_bind() not exists"),
+ true);
+ return false;
+ }
+
+ if (!empty($authz)) {
+ $authz = 'u:' . $authz;
+ }
+
+ if (!empty($this->config['auth_method'])) {
+ $method = $this->config['auth_method'];
+ }
+ else {
+ $method = 'DIGEST-MD5';
+ }
+
+ $this->_debug("C: Bind [mech: $method, authc: $authc, authz: $authz] [pass: $pass]");
+
+ if (ldap_sasl_bind($this->conn, NULL, $pass, $method, NULL, $authc, $authz)) {
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ $this->_debug("S: ".ldap_error($this->conn));
+
+ rcube::raise_error(array(
+ 'code' => ldap_errno($this->conn), 'type' => 'ldap',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "SASL Bind failed for authcid=$authc ".ldap_error($this->conn)),
+ true);
+ return false;
+ }
+
+
+ /**
+ * Bind connection with DN and password
+ *
+ * @param string $dn Bind DN
+ * @param string $pass Bind password
+ *
+ * @return boolean True on success, False on error
+ */
+ public function bind($dn, $pass)
+ {
+ if (!$this->conn) {
+ return false;
+ }
+
+ $this->_debug("C: Bind [dn: $dn] [pass: $pass]");
+
+ if (@ldap_bind($this->conn, $dn, $pass)) {
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ $this->_debug("S: ".ldap_error($this->conn));
+
+ rcube::raise_error(array(
+ 'code' => ldap_errno($this->conn), 'type' => 'ldap',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Bind failed for dn=$dn: ".ldap_error($this->conn)),
+ true);
+
+ return false;
+ }
+
+
+ /**
+ * Close connection to LDAP server
+ */
+ public function close()
+ {
+ if ($this->conn) {
+ $this->_debug("C: Close");
+ ldap_unbind($this->conn);
+ $this->conn = null;
+ }
+ }
+
+
+ /**
+ * Return the last result set
+ *
+ * @return object rcube_ldap_result Result object
+ */
+ function get_result()
+ {
+ return $this->result;
+ }
+
+
+ /**
+ * Get a specific LDAP entry, identified by its DN
+ *
+ * @param string $dn Record identifier
+ * @return array Hash array
+ */
+ function get_entry($dn)
+ {
+ $rec = null;
+
+ if ($this->conn && $dn) {
+ $this->_debug("C: Read [dn: $dn] [(objectclass=*)]");
+
+ if ($ldap_result = @ldap_read($this->conn, $dn, '(objectclass=*)', $this->attributes)) {
+ $this->_debug("S: OK");
+
+ if ($entry = ldap_first_entry($this->conn, $ldap_result)) {
+ $rec = ldap_get_attributes($this->conn, $entry);
+ }
+ }
+ else {
+ $this->_debug("S: ".ldap_error($this->conn));
+ }
+
+ if (!empty($rec)) {
+ $rec['dn'] = $dn; // Add in the dn for the entry.
+ }
+ }
+
+ return $rec;
+ }
+
+
+ /**
+ * Execute the LDAP search based on the stored credentials
+ *
+ * @param string $base_dn The base DN to query
+ * @param string $filter The LDAP filter for search
+ * @param string $scope The LDAP scope (list|sub|base)
+ * @param array $attrs List of entry attributes to read
+ * @param array $prop Hash array with query configuration properties:
+ * - vlv: true if VLV index should be used
+ * - sort: array of sort attributes (has to be in sync with the VLV index)
+ * - search: search string used for VLV controls
+ * @param boolean $count_only Set to true if only entry count is requested
+ *
+ * @return mixed rcube_ldap_result object or number of entries (if count_only=true) or false on error
+ */
+ public function search($base_dn, $filter = '', $scope = 'sub', $attrs = array('dn'), $prop = array(), $count_only = false)
+ {
+ if ($this->conn) {
+ if (empty($filter))
+ $filter = $filter = '(objectclass=*)';
+
+ $this->_debug("C: Search [$filter][dn: $base_dn]");
+
+ $function = self::scope2func($scope, $ns_function);
+
+ // when using VLV, we get the total count by...
+ if (!$count_only && $function != 'ldap_read' && $prop['vlv']) { // TODO: auto-detect VLV support for the given query
+ // ...either reading numSubOrdinates attribute
+ if ($this->config['numsub_filter'] && ($result_count = @$ns_function($this->conn, $base_dn, $this->config['numsub_filter'], array('numSubOrdinates'), 0, 0, 0))) {
+ $counts = ldap_get_entries($this->conn, $result_count);
+ for ($vlv_count = $j = 0; $j < $counts['count']; $j++)
+ $vlv_count += $counts[$j]['numsubordinates'][0];
+ $this->_debug("D: total numsubordinates = " . $vlv_count);
+ }
+ else if (!function_exists('ldap_parse_virtuallist_control')) // ...or by fetching all records dn and count them
+ $vlv_count = $this->search($base_dn, $filter, $scope, array('dn'), $prop, true);
+
+ $this->vlv_active = $this->_vlv_set_controls($this->config, $this->list_page, $this->page_size, $vlv_search);
+ }
+ else
+ $this->vlv_active = false;
+
+ // only fetch dn for count (should keep the payload low)
+ if ($ldap_result = $function($this->conn, $base_dn, $filter,
+ $attrs, 0, (int)$this->config['sizelimit'], (int)$this->config['timelimit'])
+ ) {
+ // when running on a patched PHP we can use the extended functions to retrieve the total count from the LDAP search result
+ if ($this->vlv_active && function_exists('ldap_parse_virtuallist_control')) {
+ if (ldap_parse_result($this->conn, $ldap_result, $errcode, $matcheddn, $errmsg, $referrals, $serverctrls)) {
+ ldap_parse_virtuallist_control($this->conn, $serverctrls, $last_offset, $vlv_count, $vresult);
+ $this->_debug("S: VLV result: last_offset=$last_offset; content_count=$vlv_count");
+ }
+ else {
+ $this->_debug("S: ".($errmsg ? $errmsg : ldap_error($this->conn)));
+ }
+ }
+
+ $this->result = new rcube_ldap_result($this->conn, $ldap_result, $base_dn, $filter, $vlv_count);
+
+ return $count_only ? $this->result->count() : $this->result;
+ }
+ else {
+ $this->_debug("S: ".ldap_error($this->conn));
+ }
+ }
+
+ return false;
+ }
+
+
+ /**
+ * Modify an LDAP entry on the server
+ *
+ * @param string $dn Entry DN
+ * @param array $params Hash array of entry attributes
+ * @param int $mode Update mode (UPDATE_MOD_ADD | UPDATE_MOD_DELETE | UPDATE_MOD_REPLACE)
+ */
+ public function modify($dn, $parms, $mode = 255)
+ {
+ // TODO: implement this
+
+ return false;
+ }
+
+ /**
+ * Wrapper for ldap_add()
+ *
+ * @see ldap_add()
+ */
+ public function add($dn, $entry)
+ {
+ $this->_debug("C: Add [dn: $dn]: ".print_r($entry, true));
+
+ $res = ldap_add($this->conn, $dn, $entry);
+ if ($res === false) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return false;
+ }
+
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ /**
+ * Wrapper for ldap_delete()
+ *
+ * @see ldap_delete()
+ */
+ public function delete($dn)
+ {
+ $this->_debug("C: Delete [dn: $dn]");
+
+ $res = ldap_delete($this->conn, $dn);
+ if ($res === false) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return false;
+ }
+
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ /**
+ * Wrapper for ldap_mod_replace()
+ *
+ * @see ldap_mod_replace()
+ */
+ public function mod_replace($dn, $entry)
+ {
+ $this->_debug("C: Replace [dn: $dn]: ".print_r($entry, true));
+
+ if (!ldap_mod_replace($this->conn, $dn, $entry)) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return false;
+ }
+
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ /**
+ * Wrapper for ldap_mod_add()
+ *
+ * @see ldap_mod_add()
+ */
+ public function mod_add($dn, $entry)
+ {
+ $this->_debug("C: Add [dn: $dn]: ".print_r($entry, true));
+
+ if (!ldap_mod_add($this->conn, $dn, $entry)) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return false;
+ }
+
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ /**
+ * Wrapper for ldap_mod_del()
+ *
+ * @see ldap_mod_del()
+ */
+ public function mod_del($dn, $entry)
+ {
+ $this->_debug("C: Delete [dn: $dn]: ".print_r($entry, true));
+
+ if (!ldap_mod_del($this->conn, $dn, $entry)) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return false;
+ }
+
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ /**
+ * Wrapper for ldap_rename()
+ *
+ * @see ldap_rename()
+ */
+ public function rename($dn, $newrdn, $newparent = null, $deleteoldrdn = true)
+ {
+ $this->_debug("C: Rename [dn: $dn] [dn: $newrdn]");
+
+ if (!ldap_rename($this->conn, $dn, $newrdn, $newparent, $deleteoldrdn)) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return false;
+ }
+
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ /**
+ * Wrapper for ldap_list() + ldap_get_entries()
+ *
+ * @see ldap_list()
+ * @see ldap_get_entries()
+ */
+ public function list_entries($dn, $filter, $attributes = array('dn'))
+ {
+ $list = array();
+ $this->_debug("C: List [dn: $dn] [{$filter}]");
+
+ if ($result = ldap_list($this->conn, $dn, $filter, $attributes)) {
+ $list = ldap_get_entries($this->conn, $result);
+
+ if ($list === false) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return array();
+ }
+
+ $count = $list['count'];
+ unset($list['count']);
+
+ $this->_debug("S: $count record(s)");
+ }
+ else {
+ $this->_debug("S: ".ldap_error($this->conn));
+ }
+
+ return $list;
+ }
+
+ /**
+ * Wrapper for ldap_read() + ldap_get_entries()
+ *
+ * @see ldap_read()
+ * @see ldap_get_entries()
+ */
+ public function read_entries($dn, $filter, $attributes = null)
+ {
+ $this->_debug("C: Read [dn: $dn] [{$filter}]");
+
+ if ($this->conn && $dn) {
+ if (!$attributes)
+ $attributes = $this->attributes;
+
+ $result = @ldap_read($this->conn, $dn, $filter, $attributes, 0, (int)$this->config['sizelimit'], (int)$this->config['timelimit']);
+ if ($result === false) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return false;
+ }
+
+ $this->_debug("S: OK");
+ return ldap_get_entries($this->conn, $result);
+ }
+
+ return false;
+ }
+
+
+ /**
+ * Choose the right PHP function according to scope property
+ *
+ * @param string $scope The LDAP scope (sub|base|list)
+ * @param string $ns_function Function to be used for numSubOrdinates queries
+ * @return string PHP function to be used to query directory
+ */
+ public static function scope2func($scope, &$ns_function = null)
+ {
+ switch ($scope) {
+ case 'sub':
+ $function = $ns_function = 'ldap_search';
+ break;
+ case 'base':
+ $function = $ns_function = 'ldap_read';
+ break;
+ default:
+ $function = 'ldap_list';
+ $ns_function = 'ldap_read';
+ break;
+ }
+
+ return $function;
+ }
+
+ /**
+ * Escapes the given value according to RFC 2254 so that it can be safely used in LDAP filters.
+ *
+ * @param string $val Value to quote
+ * @return string The escaped value
+ */
+ public static function escape_value($val)
+ {
+ return strtr($str, array('*'=>'\2a', '('=>'\28', ')'=>'\29',
+ '\\'=>'\5c', '/'=>'\2f'));
+ }
+
+ /**
+ * Escapes a DN value according to RFC 2253
+ *
+ * @param string $dn DN value o quote
+ * @return string The escaped value
+ */
+ public static function escape_dn($dn)
+ {
+ return strtr($str, array(','=>'\2c', '='=>'\3d', '+'=>'\2b',
+ '<'=>'\3c', '>'=>'\3e', ';'=>'\3b', '\\'=>'\5c',
+ '"'=>'\22', '#'=>'\23'));
+ }
+
+ /**
+ * Normalize a LDAP result by converting entry attributes arrays into single values
+ *
+ * @param array $result LDAP result set fetched with ldap_get_entries()
+ * @return array Hash array with normalized entries, indexed by their DNs
+ */
+ public static function normalize_result($result)
+ {
+ if (!is_array($result)) {
+ return array();
+ }
+
+ $entries = array();
+ for ($i = 0; $i < $result['count']; $i++) {
+ $key = $result[$i]['dn'] ? $result[$i]['dn'] : $i;
+ $entries[$key] = self::normalize_entry($result[$i]);
+ }
+
+ return $entries;
+ }
+
+ /**
+ * Turn an LDAP entry into a regular PHP array with attributes as keys.
+ *
+ * @param array $entry Attributes array as retrieved from ldap_get_attributes() or ldap_get_entries()
+ * @return array Hash array with attributes as keys
+ */
+ public static function normalize_entry($entry)
+ {
+ $rec = array();
+ for ($i=0; $i < $entry['count']; $i++) {
+ $attr = $entry[$i];
+ if ($entry[$attr]['count'] == 1) {
+ switch ($attr) {
+ case 'objectclass':
+ $rec[$attr] = array(strtolower($entry[$attr][0]));
+ break;
+ default:
+ $rec[$attr] = $entry[$attr][0];
+ break;
+ }
+ }
+ else {
+ for ($j=0; $j < $entry[$attr]['count']; $j++) {
+ $rec[$attr][$j] = $entry[$attr][$j];
+ }
+ }
+ }
+
+ return $rec;
+ }
+
+ /**
+ * Set server controls for Virtual List View (paginated listing)
+ */
+ private function _vlv_set_controls($prop, $list_page, $page_size, $search = null)
+ {
+ $sort_ctrl = array('oid' => "1.2.840.113556.1.4.473", 'value' => self::_sort_ber_encode((array)$prop['sort']));
+ $vlv_ctrl = array('oid' => "2.16.840.1.113730.3.4.9", 'value' => self::_vlv_ber_encode(($offset = ($list_page-1) * $page_size + 1), $page_size, $search), 'iscritical' => true);
+
+ $sort = (array)$prop['sort'];
+ $this->_debug("C: set controls sort=" . join(' ', unpack('H'.(strlen($sort_ctrl['value'])*2), $sort_ctrl['value'])) . " ($sort[0]);"
+ . " vlv=" . join(' ', (unpack('H'.(strlen($vlv_ctrl['value'])*2), $vlv_ctrl['value']))) . " ($offset/$page_size)");
+
+ if (!ldap_set_option($this->conn, LDAP_OPT_SERVER_CONTROLS, array($sort_ctrl, $vlv_ctrl))) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ $this->set_error(self::ERROR_SEARCH, 'vlvnotsupported');
+ return false;
+ }
+
+ return true;
+ }
+
+
+ /**
+ * Returns unified attribute name (resolving aliases)
+ */
+ private static function _attr_name($namev)
+ {
+ // list of known attribute aliases
+ static $aliases = array(
+ 'gn' => 'givenname',
+ 'rfc822mailbox' => 'email',
+ 'userid' => 'uid',
+ 'emailaddress' => 'email',
+ 'pkcs9email' => 'email',
+ );
+
+ list($name, $limit) = explode(':', $namev, 2);
+ $suffix = $limit ? ':'.$limit : '';
+
+ return (isset($aliases[$name]) ? $aliases[$name] : $name) . $suffix;
+ }
+
+
+ /**
+ * Prints debug info to the log
+ */
+ private function _debug($str)
+ {
+ if ($this->debug && class_exists('rcube')) {
+ rcube::write_log('ldap', $str);
+ }
+ }
+
+
+ /**
+ * Quotes attribute value string
+ *
+ * @param string $str Attribute value
+ * @param bool $dn True if the attribute is a DN
+ *
+ * @return string Quoted string
+ */
+ private static function _quote_string($str, $dn=false)
+ {
+ // take firt entry if array given
+ if (is_array($str))
+ $str = reset($str);
+
+ if ($dn)
+ $replace = array(','=>'\2c', '='=>'\3d', '+'=>'\2b', '<'=>'\3c',
+ '>'=>'\3e', ';'=>'\3b', '\\'=>'\5c', '"'=>'\22', '#'=>'\23');
+ else
+ $replace = array('*'=>'\2a', '('=>'\28', ')'=>'\29', '\\'=>'\5c',
+ '/'=>'\2f');
+
+ return strtr($str, $replace);
+ }
+
+
+ /**
+ * Generate BER encoded string for Virtual List View option
+ *
+ * @param integer List offset (first record)
+ * @param integer Records per page
+ * @return string BER encoded option value
+ */
+ private static function _vlv_ber_encode($offset, $rpp, $search = '')
+ {
+ # this string is ber-encoded, php will prefix this value with:
+ # 04 (octet string) and 10 (length of 16 bytes)
+ # the code behind this string is broken down as follows:
+ # 30 = ber sequence with a length of 0e (14) bytes following
+ # 02 = type integer (in two's complement form) with 2 bytes following (beforeCount): 01 00 (ie 0)
+ # 02 = type integer (in two's complement form) with 2 bytes following (afterCount): 01 18 (ie 25-1=24)
+ # a0 = type context-specific/constructed with a length of 06 (6) bytes following
+ # 02 = type integer with 2 bytes following (offset): 01 01 (ie 1)
+ # 02 = type integer with 2 bytes following (contentCount): 01 00
+
+ # whith a search string present:
+ # 81 = type context-specific/constructed with a length of 04 (4) bytes following (the length will change here)
+ # 81 indicates a user string is present where as a a0 indicates just a offset search
+ # 81 = type context-specific/constructed with a length of 06 (6) bytes following
+
+ # the following info was taken from the ISO/IEC 8825-1:2003 x.690 standard re: the
+ # encoding of integer values (note: these values are in
+ # two-complement form so since offset will never be negative bit 8 of the
+ # leftmost octet should never by set to 1):
+ # 8.3.2: If the contents octets of an integer value encoding consist
+ # of more than one octet, then the bits of the first octet (rightmost) and bit 8
+ # of the second (to the left of first octet) octet:
+ # a) shall not all be ones; and
+ # b) shall not all be zero
+
+ if ($search)
+ {
+ $search = preg_replace('/[^-[:alpha:] ,.()0-9]+/', '', $search);
+ $ber_val = self::_string2hex($search);
+ $str = self::_ber_addseq($ber_val, '81');
+ }
+ else
+ {
+ # construct the string from right to left
+ $str = "020100"; # contentCount
+
+ $ber_val = self::_ber_encode_int($offset); // returns encoded integer value in hex format
+
+ // calculate octet length of $ber_val
+ $str = self::_ber_addseq($ber_val, '02') . $str;
+
+ // now compute length over $str
+ $str = self::_ber_addseq($str, 'a0');
+ }
+
+ // now tack on records per page
+ $str = "020100" . self::_ber_addseq(self::_ber_encode_int($rpp-1), '02') . $str;
+
+ // now tack on sequence identifier and length
+ $str = self::_ber_addseq($str, '30');
+
+ return pack('H'.strlen($str), $str);
+ }
+
+
+ /**
+ * create ber encoding for sort control
+ *
+ * @param array List of cols to sort by
+ * @return string BER encoded option value
+ */
+ private static function _sort_ber_encode($sortcols)
+ {
+ $str = '';
+ foreach (array_reverse((array)$sortcols) as $col) {
+ $ber_val = self::_string2hex($col);
+
+ # 30 = ber sequence with a length of octet value
+ # 04 = octet string with a length of the ascii value
+ $oct = self::_ber_addseq($ber_val, '04');
+ $str = self::_ber_addseq($oct, '30') . $str;
+ }
+
+ // now tack on sequence identifier and length
+ $str = self::_ber_addseq($str, '30');
+
+ return pack('H'.strlen($str), $str);
+ }
+
+ /**
+ * Add BER sequence with correct length and the given identifier
+ */
+ private static function _ber_addseq($str, $identifier)
+ {
+ $len = dechex(strlen($str)/2);
+ if (strlen($len) % 2 != 0)
+ $len = '0'.$len;
+
+ return $identifier . $len . $str;
+ }
+
+ /**
+ * Returns BER encoded integer value in hex format
+ */
+ private static function _ber_encode_int($offset)
+ {
+ $val = dechex($offset);
+ $prefix = '';
+
+ // check if bit 8 of high byte is 1
+ if (preg_match('/^[89abcdef]/', $val))
+ $prefix = '00';
+
+ if (strlen($val)%2 != 0)
+ $prefix .= '0';
+
+ return $prefix . $val;
+ }
+
+ /**
+ * Returns ascii string encoded in hex
+ */
+ private static function _string2hex($str)
+ {
+ $hex = '';
+ for ($i=0; $i < strlen($str); $i++)
+ $hex .= dechex(ord($str[$i]));
+ return $hex;
+ }
+
+}
diff --git a/program/lib/Roundcube/rcube_ldap_result.php b/program/lib/Roundcube/rcube_ldap_result.php
new file mode 100644
index 0000000..92c2897
--- /dev/null
+++ b/program/lib/Roundcube/rcube_ldap_result.php
@@ -0,0 +1,128 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | Roundcube/rcube_ldap_result.php |
+ | |
+ | This file is part of the Roundcube Webmail client |
+ | Copyright (C) 2006-2013, The Roundcube Dev Team |
+ | Copyright (C) 2013, Kolab Systems AG |
+ | |
+ | Licensed under the GNU General Public License version 3 or |
+ | any later version with exceptions for skins & plugins. |
+ | See the README file for a full license statement. |
+ | |
+ | PURPOSE: |
+ | Model class that represents an LDAP search result |
+ | |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com> |
+ +-----------------------------------------------------------------------+
+*/
+
+
+/**
+ * Model class representing an LDAP search result
+ *
+ * @package Framework
+ * @subpackage LDAP
+ */
+class rcube_ldap_result implements Iterator
+{
+ public $conn;
+ public $ldap;
+ public $base_dn;
+ public $filter;
+
+ private $count = null;
+ private $current = null;
+ private $iteratorkey = 0;
+
+ /**
+ * Default constructor
+ *
+ * @param resource $conn LDAP link identifier
+ * @param resource $ldap LDAP result entry identifier
+ * @param string $base_dn Base DN used to get this result
+ * @param string $filter Filter query used to get this result
+ * @param integer $count Record count value (pre-calculated)
+ */
+ function __construct($conn, $ldap, $base_dn, $filter, $count = null)
+ {
+ $this->conn = $conn;
+ $this->ldap = $ldap;
+ $this->base_dn = $base_dn;
+ $this->filter = $filter;
+ $this->count = $count;
+ }
+
+ /**
+ * Wrapper for ldap_sort()
+ */
+ public function sort($attr)
+ {
+ return ldap_sort($this->conn, $this->ldap, $attr);
+ }
+
+ /**
+ * Get entries count
+ */
+ public function count()
+ {
+ if (!isset($this->count))
+ $this->count = ldap_count_entries($this->conn, $this->ldap);
+
+ return $this->count;
+ }
+
+ /**
+ * Wrapper for ldap_get_entries()
+ *
+ * @param boolean $normalize Optionally normalize the entries to a list of hash arrays
+ * @return array List of LDAP entries
+ */
+ public function entries($normalize = false)
+ {
+ $entries = ldap_get_entries($this->conn, $this->ldap);
+ return $normalize ? rcube_ldap_generic::normalize_result($entries) : $entries;
+ }
+
+ /**
+ * Wrapper for ldap_get_dn() using the current entry pointer
+ */
+ public function get_dn()
+ {
+ return $this->current ? ldap_get_dn($this->conn, $this->current) : null;
+ }
+
+
+ /*** Implements the PHP 5 Iterator interface to make foreach work ***/
+
+ function current()
+ {
+ return ldap_get_attributes($this->conn, $this->current);
+ }
+
+ function key()
+ {
+ return $this->iteratorkey;
+ }
+
+ function rewind()
+ {
+ $this->iteratorkey = 0;
+ $this->current = ldap_first_entry($this->conn, $this->ldap);
+ }
+
+ function next()
+ {
+ $this->iteratorkey++;
+ $this->current = ldap_next_entry($this->conn, $this->current);
+ }
+
+ function valid()
+ {
+ return (bool)$this->current;
+ }
+
+}
--
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