forked from extern/egroupware
117 lines
3.9 KiB
PHP
117 lines
3.9 KiB
PHP
<?php
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/**
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* eGroupWare API - ADS Authentication
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*
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* @link http://www.egroupware.org
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* @author Ralf Becker <ralfbecker@outdoor-training.de> based on auth_ldap from:
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* @author Lars Kneschke <lkneschke@linux-at-work.de>
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* @author Joseph Engo <jengo@phpgroupware.org>
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* Copyright (C) 2000, 2001 Joseph Engo
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* Copyright (C) 2002, 2003 Lars Kneschke
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* @license http://opensource.org/licenses/lgpl-license.php LGPL - GNU Lesser General Public License
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* @package api
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* @subpackage authentication
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* @version $Id$
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*/
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/**
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* Authentication agains a ADS Server
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*/
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class auth_ads implements auth_backend
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{
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var $previous_login = -1;
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/**
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* password authentication
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*
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* @param string $username username of account to authenticate
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* @param string $passwd corresponding password
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* @param string $passwd_type='text' 'text' for cleartext passwords (default)
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* @return boolean true if successful authenticated, false otherwise
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*/
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function authenticate($username, $passwd, $passwd_type='text')
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{
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if (preg_match('/[()|&=*,<>!~]/',$username))
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{
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return False;
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}
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if(!$ldap = @ldap_connect($GLOBALS['egw_info']['server']['ads_host']))
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{
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//echo "<p>Failed connecting to ADS server '".$GLOBALS['egw_info']['server']['ads_host']."' for authenication, execution stopped</p>\n";
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$GLOBALS['egw']->log->message('F-Abort, Failed connecting to ADS server for authenication, execution stopped');
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$GLOBALS['egw']->log->commit();
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return False;
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}
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//echo "<p>Connected to LDAP server '".$GLOBALS['egw_info']['server']['ads_host']."' for authenication</p>\n";
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ldap_set_option($ldap, LDAP_OPT_PROTOCOL_VERSION, 3);
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ldap_set_option($ldap, LDAP_OPT_REFERRALS, 0);
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// bind with username@ads_domain, only if a non-empty password given, in case anonymous search is enabled
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if(empty($passwd) || !@ldap_bind($ldap,$username.'@'.$GLOBALS['egw_info']['server']['ads_domain'],$passwd))
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{
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//echo "<p>Cant bind with '$username@".$GLOBALS['egw_info']['server']['ads_domain']."' with PW '$passwd' !!!</p>\n";
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return False;
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}
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//echo "<p>Bind with '$username@".$GLOBALS['egw_info']['server']['ads_domain']."' with PW '$passwd'.</p>\n";
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$attributes = array('samaccountname','givenName','sn','mail','homeDirectory');
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$filter = "(samaccountname=$username)";
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// automatic create dn from domain: domain.com ==> DC=domain,DC=com
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$base_dn = array();
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foreach(explode('.',$GLOBALS['egw_info']['server']['ads_domain']) as $dc)
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{
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$base_dn[] = 'DC='.$dc;
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}
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$base_dn = implode(',',$base_dn);
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//echo "<p>Trying ldap_search(,$base_dn,$filter,".print_r($attributes,true)."</p>\n";
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$sri = ldap_search($ldap, $base_dn, $filter, $attributes);
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$allValues = ldap_get_entries($ldap, $sri);
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//_debug_array($allValues);
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if ($allValues['count'] > 0)
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{
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if($GLOBALS['egw_info']['server']['case_sensitive_username'] == true)
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{
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if($allValues[0]['samaccountname'][0] != $username)
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{
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return false;
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}
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}
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if (($id = $GLOBALS['egw']->accounts->name2id($username,'account_lid','u')))
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{
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return $GLOBALS['egw']->accounts->id2name($id,'account_status') == 'A';
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}
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// store homedirectory for egw_session->read_repositories
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$GLOBALS['auto_create_acct'] = array();
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if (isset($allValues[0]['homedirectory']))
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{
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$GLOBALS['auto_create_acct']['homedirectory'] = $allValues[0]['homedirectory'][0];
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}
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if ($GLOBALS['egw_info']['server']['auto_create_acct'])
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{
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// create a global array with all availible info about that account
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foreach(array(
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'givenname' => 'firstname',
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'sn' => 'lastname',
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'mail' => 'email',
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) as $ldap_name => $acct_name)
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{
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$GLOBALS['auto_create_acct'][$acct_name] =
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translation::convert($allValues[0][$ldap_name][0],'utf-8');
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}
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return True;
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}
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}
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/* dn not found or password wrong */
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return False;
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}
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function change_password($old_passwd, $new_passwd, $_account_id=0)
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{
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return false; // Cant change passwd in ADS
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}
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}
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