<?php /** * API - LDAP server information * * @link http://www.egroupware.org * @author Lars Kneschke <l.kneschke@metaways.de> * * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License * @package api * @subpackage ldap * @version $Id$ */ define('UNKNOWN_LDAPSERVER',0); define('OPENLDAP_LDAPSERVER',1); define('SAMBA4_LDAPSERVER',2); /** * Class to store and retrieve information (eg. supported object classes) of a connected ldap server */ class ldapserverinfo { /** * @var array $namingContext holds the supported namingcontexts */ var $namingContext = array(); /** * @var string $version holds the LDAP server version */ var $version = 2; /** * @var integer $serverType holds the type of LDAP server(OpenLDAP, ADS, NDS, ...) */ var $serverType = 0; /** * @var string $_subSchemaEntry the subschema entry DN */ var $subSchemaEntry = ''; /** * @var array $supportedObjectClasses the supported objectclasses */ var $supportedObjectClasses = array(); /** * @var array $supportedOIDs the supported OIDs */ var $supportedOIDs = array(); /** * Name of host * * @var string */ var $host; /** * Constructor * * @param string $host */ function __construct($host) { $this->host = $host; } /** * gets the version * * @return integer the supported ldap version */ function getVersion() { return $this->version; } /** * sets the namingcontexts * * @param array $_namingContext the supported namingcontexts */ function setNamingContexts($_namingContext) { $this->namingContext = $_namingContext; } /** * sets the type of the ldap server(OpenLDAP, ADS, NDS, ...) * * @param integer $_serverType the type of ldap server */ function setServerType($_serverType) { $this->serverType = $_serverType; } /** * sets the DN for the subschema entry * * @param string $_subSchemaEntry the subschema entry DN */ function setSubSchemaEntry($_subSchemaEntry) { $this->subSchemaEntry = $_subSchemaEntry; } /** * sets the supported objectclasses * * @param array $_supportedObjectClasses the supported objectclasses */ function setSupportedObjectClasses($_supportedObjectClasses) { $this->supportedOIDs = $_supportedObjectClasses; $this->supportedObjectClasses = array_flip($_supportedObjectClasses); } /** * sets the version * * @param integer $_version the supported ldap version */ function setVersion($_version) { $this->version = $_version; } /** * checks for supported objectclasses * * @return bool returns true if the ldap server supports this objectclass */ function supportsObjectClass($_objectClass) { if($this->supportedObjectClasses[strtolower($_objectClass)]) { return true; } return false; } /** * Query given ldap connection for available information * * @param resource $ds * @param string $host * @param int $version 2 or 3 * @return ldapserverinfo */ public static function get($ds, $host, $version=3) { $filter='(objectclass=*)'; $justthese = array('structuralObjectClass','namingContexts','supportedLDAPVersion','subschemaSubentry','vendorname'); if(($sr = @ldap_read($ds, '', $filter, $justthese))) { if($info = ldap_get_entries($ds, $sr)) { $ldapServerInfo = new ldapserverinfo($host); $ldapServerInfo->setVersion($version); // check for naming contexts if($info[0]['namingcontexts']) { for($i=0; $i<$info[0]['namingcontexts']['count']; $i++) { $namingcontexts[] = $info[0]['namingcontexts'][$i]; } $ldapServerInfo->setNamingContexts($namingcontexts); } // check for ldap server type if($info[0]['structuralobjectclass']) { switch($info[0]['structuralobjectclass'][0]) { case 'OpenLDAProotDSE': $ldapServerType = OPENLDAP_LDAPSERVER; break; default: $ldapServerType = UNKNOWN_LDAPSERVER; break; } $ldapServerInfo->setServerType($ldapServerType); } if ($info[0]['vendorname'] && stripos($info[0]['vendorname'][0], 'samba') !== false) { $ldapServerInfo->setServerType(SAMBA4_LDAPSERVER); } // check for subschema entry dn if($info[0]['subschemasubentry']) { $subschemasubentry = $info[0]['subschemasubentry'][0]; $ldapServerInfo->setSubSchemaEntry($subschemasubentry); } // create list of supported objetclasses if(!empty($subschemasubentry)) { $filter='(objectclass=*)'; $justthese = array('objectClasses'); if($sr=ldap_read($ds, $subschemasubentry, $filter, $justthese)) { if($info = ldap_get_entries($ds, $sr)) { if($info[0]['objectclasses']) { for($i=0; $i<$info[0]['objectclasses']['count']; $i++) { $pattern = '/^\( (.*) NAME \'(\w*)\' /'; if(preg_match($pattern, $info[0]['objectclasses'][$i], $matches)) { #_debug_array($matches); if(count($matches) == 3) { $supportedObjectClasses[$matches[1]] = strtolower($matches[2]); } } } $ldapServerInfo->setSupportedObjectClasses($supportedObjectClasses); } } } } } } return $ldapServerInfo; } }