forked from extern/egroupware
130 lines
4.2 KiB
PHP
130 lines
4.2 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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$adldap = accounts_ads::get_adldap();
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// bind with username@ads_domain, only if a non-empty password given, in case anonymous search is enabled
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if(empty($passwd) || !$adldap->authenticate($username, $passwd))
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{
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//error_log(__METHOD__."('$username', ".(empty($passwd) ? "'') passwd empty" : '$passwd) adldap->authenticate() returned false')." --> returning false");
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return False;
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}
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$attributes = array('samaccountname','givenName','sn','mail','homeDirectory');
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if (($allValues = $adldap->user()->info($username, $attributes)))
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{
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$allValues[0]['objectsid'][0] = $adldap->utilities()->getTextSID($allValues[0]['objectsid'][0]);
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}
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//error_log(__METHOD__."('$username', \$passwd) allValues=".array2string($allValues));
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if ($allValues && $allValues['count'] > 0)
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{
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if($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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$GLOBALS['auto_create_acct']['account_id'] = accounts_ads::sid2account_id($allValues[0]['objectsid'][0]);
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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][$ldap_name][0],'utf-8');
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}
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//error_log(__METHOD__."() \$GLOBALS[auto_create_acct]=".array2string($GLOBALS['auto_create_acct']));
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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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/**
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* changes password
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*
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* @param string $old_passwd must be cleartext
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* @param string $new_passwd must be cleartext
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* @param int $account_id account id of user whose passwd should be changed
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* @return boolean true if password successful changed, false otherwise
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*/
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function change_password($old_passwd, $new_passwd, $_account_id=0)
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{
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if (!($adldap = accounts_ads::get_adldap()) || !($adldap->getUseSSL() || $adldap->getUseTLS()))
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{
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error_log(__METHOD__."('$old_passwd', '$new_passwd', $account_id) adldap=".array2string($adldap)." returning false");
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return false; // Cant change passwd in ADS
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}
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if(!$account_id || $GLOBALS['egw_info']['flags']['currentapp'] == 'login')
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{
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$admin = false;
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$username = $GLOBALS['egw_info']['user']['account_lid'];
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}
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else
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{
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$admin = true;
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$username = $GLOBALS['egw']->accounts->id2name($account_id);
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}
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// Check the old_passwd to make sure this is legal
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if(!$admin && !$adldap->authenticate($username, $old_passwd))
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{
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//error_log(__METHOD__."() old password '$old_passwd' for '$username' is wrong!");
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return false;
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}
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return $adldap->user()->password($username, $new_passwd);
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}
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}
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