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238
data/web/rc/plugins/password/drivers/ldap_simple.php
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238
data/web/rc/plugins/password/drivers/ldap_simple.php
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<?php
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/**
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* Simple LDAP Password Driver
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*
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* Driver for passwords stored in LDAP
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* This driver is based on Edouard's LDAP Password Driver, but does not
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* require PEAR's Net_LDAP2 to be installed
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*
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* @version 2.0
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* @author Wout Decre <wout@canodus.be>
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* @author Aleksander Machniak <machniak@kolabsys.com>
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*
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* Copyright (C) 2005-2014, The Roundcube Dev Team
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://www.gnu.org/licenses/.
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*/
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class rcube_ldap_simple_password
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{
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private $debug = false;
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function save($curpass, $passwd)
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{
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$rcmail = rcmail::get_instance();
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$this->debug = $rcmail->config->get('ldap_debug');
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$ldap_host = $rcmail->config->get('password_ldap_host');
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$ldap_port = $rcmail->config->get('password_ldap_port');
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$this->_debug("C: Connect to $ldap_host:$ldap_port");
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// Connect
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if (!$ds = ldap_connect($ldap_host, $ldap_port)) {
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$this->_debug("S: NOT OK");
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rcube::raise_error(array(
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'code' => 100, 'type' => 'ldap',
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'file' => __FILE__, 'line' => __LINE__,
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'message' => "Could not connect to LDAP server"
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),
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true);
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return PASSWORD_CONNECT_ERROR;
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}
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$this->_debug("S: OK");
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// Set protocol version
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ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, $rcmail->config->get('password_ldap_version'));
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// Start TLS
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if ($rcmail->config->get('password_ldap_starttls')) {
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if (!ldap_start_tls($ds)) {
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ldap_unbind($ds);
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return PASSWORD_CONNECT_ERROR;
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}
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}
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// include 'ldap' driver, we share some static methods with it
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require_once INSTALL_PATH . 'plugins/password/drivers/ldap.php';
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// other plugins might want to modify user DN
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$plugin = $rcmail->plugins->exec_hook('password_ldap_bind', array(
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'user_dn' => '', 'conn' => $ds));
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// Build user DN
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if (!empty($plugin['user_dn'])) {
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$user_dn = $plugin['user_dn'];
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}
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else if ($user_dn = $rcmail->config->get('password_ldap_userDN_mask')) {
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$user_dn = rcube_ldap_password::substitute_vars($user_dn);
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}
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else {
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$user_dn = $this->search_userdn($rcmail, $ds);
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}
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if (empty($user_dn)) {
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ldap_unbind($ds);
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return PASSWORD_CONNECT_ERROR;
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}
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// Connection method
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switch ($rcmail->config->get('password_ldap_method')) {
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case 'admin':
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$binddn = $rcmail->config->get('password_ldap_adminDN');
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$bindpw = $rcmail->config->get('password_ldap_adminPW');
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break;
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case 'user':
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default:
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$binddn = $user_dn;
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$bindpw = $curpass;
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break;
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}
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$lchattr = $rcmail->config->get('password_ldap_lchattr');
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$pwattr = $rcmail->config->get('password_ldap_pwattr');
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$smbpwattr = $rcmail->config->get('password_ldap_samba_pwattr');
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$smblchattr = $rcmail->config->get('password_ldap_samba_lchattr');
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$samba = $rcmail->config->get('password_ldap_samba');
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$pass_mode = $rcmail->config->get('password_ldap_encodage');
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$crypted_pass = password::hash_password($passwd, $pass_mode);
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// Support password_ldap_samba option for backward compat.
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if ($samba && !$smbpwattr) {
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$smbpwattr = 'sambaNTPassword';
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$smblchattr = 'sambaPwdLastSet';
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}
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// Crypt new password
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if (!$crypted_pass) {
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return PASSWORD_CRYPT_ERROR;
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}
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// Crypt new Samba password
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if ($smbpwattr && !($samba_pass = password::hash_password($passwd, 'samba'))) {
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return PASSWORD_CRYPT_ERROR;
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}
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$this->_debug("C: Bind $binddn, pass: **** [" . strlen($bindpw) . "]");
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// Bind
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if (!ldap_bind($ds, $binddn, $bindpw)) {
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$this->_debug("S: ".ldap_error($ds));
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ldap_unbind($ds);
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return PASSWORD_CONNECT_ERROR;
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}
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$this->_debug("S: OK");
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$entry[$pwattr] = $crypted_pass;
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// Update PasswordLastChange Attribute if desired
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if ($lchattr) {
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$entry[$lchattr] = (int)(time() / 86400);
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}
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// Update Samba password
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if ($smbpwattr) {
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$entry[$smbpwattr] = $samba_pass;
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}
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// Update Samba password last change
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if ($smblchattr) {
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$entry[$smblchattr] = time();
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}
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$this->_debug("C: Modify $user_dn: " . print_r($entry, true));
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if (!ldap_modify($ds, $user_dn, $entry)) {
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$this->_debug("S: ".ldap_error($ds));
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ldap_unbind($ds);
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return PASSWORD_CONNECT_ERROR;
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}
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$this->_debug("S: OK");
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// All done, no error
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ldap_unbind($ds);
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return PASSWORD_SUCCESS;
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}
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/**
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* Bind with searchDN and searchPW and search for the user's DN
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* Use search_base and search_filter defined in config file
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* Return the found DN
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*/
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function search_userdn($rcmail, $ds)
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{
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$search_user = $rcmail->config->get('password_ldap_searchDN');
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$search_pass = $rcmail->config->get('password_ldap_searchPW');
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$search_base = $rcmail->config->get('password_ldap_search_base');
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$search_filter = $rcmail->config->get('password_ldap_search_filter');
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if (empty($search_filter)) {
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return false;
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}
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$this->_debug("C: Bind " . ($search_user ? $search_user : '[anonymous]'));
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// Bind
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if (!ldap_bind($ds, $search_user, $search_pass)) {
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$this->_debug("S: ".ldap_error($ds));
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return false;
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}
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$this->_debug("S: OK");
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$search_base = rcube_ldap_password::substitute_vars($search_base);
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$search_filter = rcube_ldap_password::substitute_vars($search_filter);
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$this->_debug("C: Search $search_base for $search_filter");
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// Search for the DN
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if (!$sr = ldap_search($ds, $search_base, $search_filter)) {
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$this->_debug("S: ".ldap_error($ds));
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return false;
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}
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$found = ldap_count_entries($ds, $sr);
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$this->_debug("S: OK [found $found records]");
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// If no or more entries were found, return false
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if ($found != 1) {
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return false;
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}
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return ldap_get_dn($ds, ldap_first_entry($ds, $sr));
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}
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/**
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* Prints debug info to the log
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*/
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private function _debug($str)
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{
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if ($this->debug) {
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rcube::write_log('ldap', $str);
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}
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}
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}
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