<?php /** * * IML LDAP CONNECTOR * * 2022-02-22 ah added objGet(), sanitizeFilter() * 2022-08-18 ah mask password (showing 4 chars only) * 2022-08-22 ah mhash is deprecated * 2022-08-26 ah fix verifyPassword * * @author axel.hahn@iml.unibe.ch */ class imlldap { // ---------------------------------------------------------------------- // vars // ---------------------------------------------------------------------- /** * @var array options array for an ldap connection including some base settings and DNs */ private $_aLdap = array( 'server' => false, 'port' => false, 'DnLdapUser' => false, // ldap rdn oder dn 'PwLdapUser' => false, 'DnUserNode' => false, // ou=People... 'DnAppNode' => false, // cn=AppGroup... 'protoVersion' => 3, 'debugLevel' => 0, ); /** * @var object current ldap connection */ private $_ldapConn = false; /** * @var bool bind was done? */ private $_ldapBind = false; var $bDebug = false; // ---------------------------------------------------------------------- // functions // ---------------------------------------------------------------------- /** * constructor * @param array $aConfig optional set ldap connection */ public function __construct($aConfig = array()) { if (!function_exists("ldap_connect")) { die(__CLASS__ . " ERROR: php-ldap module is not installed on this server."); } if (count($aConfig)) { $this->setConfig($aConfig); } } public function __destruct() { $this->close(); } // ---------------------------------------------------------------------- // write debug text // ---------------------------------------------------------------------- /** * turn debug messages on; * if this detail level is not enough, set a value with key debugLevel in * ldap config array * @see setConfig() */ public function debugOn() { $this->bDebug = true; if ($this->_aLdap['debugLevel']) { $this->_w(__FUNCTION__ . ' setting debug level ' . $this->_aLdap['debugLevel']); ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, $this->_aLdap['debugLevel']); } } /** * turn debug messages off */ public function debugOff() { $this->bDebug = false; ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, 0); } /** * write debug message if denugOn() was fired. * * @param string $sText message text * @return boolean */ private function _w($sText) { if (!$this->bDebug) { return false; } echo __CLASS__ . ' DEBUG: ' . $sText . "<br>\n"; return true; } /** * write last ldap error as debug * * @param string $sText message text * @return boolean */ private function _wLdaperror($sText = '') { $this->_w(($sText ? $sText . ' - ' : '' ) . 'last LDAP-ERROR: ' . ldap_error($this->_ldapConn)); return true; } // ---------------------------------------------------------------------- // setup // ---------------------------------------------------------------------- /** * set a ldap config * * @param array $aConfig new config items * 'server' => 'ldaps://ldap.example.com', * 'port' => 636, * 'DnLdapUser' => 'cn=Lookup,ou=ServiceAccounts,dc=org,dc=example.com', // ldap rdn oder dn * 'PwLdapUser' => 'IkHEFFzlZ...99j0h8WdI0LrLhxU', // password * 'DnUserNode' => 'ou=People,ou=ORG,dc=org,dc=example.com', * 'DnAppNode' => '' optional dn ... if a user must be member of a given group * 'protoVersion' => 3 * 'debugLevel' => 0 // for debugging set higher 0 AND call debugOn() */ public function setConfig($aConfig = array()) { if (is_array($aConfig)) { foreach (array_keys($this->_aLdap) as $sKey) { if (array_key_exists($sKey, $aConfig)) { $this->_w(__FUNCTION__ . ' setting ldap ' . $sKey . ' = ' . $aConfig[$sKey]); $this->_aLdap[$sKey] = $aConfig[$sKey]; } } } } // ---------------------------------------------------------------------- // ldap lowlevel functions // ---------------------------------------------------------------------- /** * close an existing ldap connection */ public function close() { if ($this->_ldapConn) { $this->_w(__FUNCTION__ . ' closing connection.'); ldap_close($this->_ldapConn); } else { $this->_w(__FUNCTION__ . ' SKIP close.'); } $this->_ldapConn = false; } /** * connect to ldap */ public function connect() { if (!array_key_exists('server', $this->_aLdap) || !$this->_aLdap['server']) { die(__CLASS__ . " ERROR: no ldap server was setup set. Use setConfig() first."); } if ($this->_ldapConn) { $this->close(); } $this->_w(__FUNCTION__ . ' connect to ' . $this->_aLdap['server'] . ':' . $this->_aLdap['port']); $this->_ldapConn = ldap_connect($this->_aLdap['server'], $this->_aLdap['port']); if (!$this->_ldapConn) { $this->_wLdaperror(__FUNCTION__); die(__CLASS__ . " ERROR: ldap connect failed."); } $this->_w(__FUNCTION__ . ' OK, connected.'); ldap_set_option($this->_ldapConn, LDAP_OPT_NETWORK_TIMEOUT, 3); ldap_set_option($this->_ldapConn, LDAP_OPT_TIMELIMIT, 3); if ($this->_aLdap['protoVersion']) { $this->_w(__FUNCTION__ . ' setting protocol version .' . $this->_aLdap['protoVersion']); ldap_set_option($this->_ldapConn, LDAP_OPT_PROTOCOL_VERSION, $this->_aLdap['protoVersion']); } ldap_set_option($this->_ldapConn, LDAP_OPT_REFERRALS, 0); // for AD MS Windows } /** * ldap bind connects with a ldap user. * If the ldap connection was not opened yet the connection will be established. * If a binding exists it will be unbind * * @see connect() * @see unbind() * * @param string $sUser optional: username (overrides _aLdap['DnLdapUser']) * @param string $sPw optional: password (overrides _aLdap['PwLdapUser']) */ public function bind($sUser = '', $sPw = '') { if(!$sUser){ $sUser = $this->_aLdap['DnLdapUser']; $sPw = $this->_aLdap['PwLdapUser']; } if (!$this->_ldapConn) { $this->connect(); } if ($this->_ldapBind) { $this->unbind(); } if (!$sUser) { $this->_w(__FUNCTION__ . ' ERROR: no user was set as first param.'); die("ERROR: no user was given to connect to ldap."); } $this->_w(__FUNCTION__ . ' with user ' . $sUser . ' PW ' . substr($sPw,0,4).'**********'); $this->_ldapBind = @ldap_bind($this->_ldapConn, $sUser, $sPw); if (!$this->_ldapBind) { $this->_wLdaperror(__FUNCTION__); return false; } $this->_w(__FUNCTION__ . ' OK, successful.'); return true; } /** * ldap unbind ... if a bind exists */ public function unbind() { if ($this->_ldapBind && !is_bool($this->_ldapBind)) { $this->_w(__FUNCTION__ . ' ...'); ldap_unbind($this->_ldapBind); } else { $this->_w(__FUNCTION__ . ' SKIP.'); } $this->_ldapBind = false; } // ---------------------------------------------------------------------- // ldap highlevel functions // ---------------------------------------------------------------------- /** * check if a DN already exists; return is true/ false * @param string $sDn DN to check * @return boolean */ public function DnExists($sDn) { $aData = $this->searchDn($sDn, '(&(objectclass=top))', array("*")); return is_array($aData); } /** * get simpler array from ldap_get_entries after ldap_search * * @param array $aRecord singel result item * @return array */ public function normalizeSearchentry($aRecord) { if (!is_array($aRecord) || !isset($aRecord['dn'])){ return false; } $aItem = array(); unset($aRecord['count']); foreach ($aRecord as $sAttr => $aData) { if (!is_integer($sAttr)) { $value = $aData; if (is_array($aData)) { unset($aData['count']); $bUseArray=count($aData)>1 || array_search($sAttr, array('hieradata', 'member', 'memberof', 'objectclass'))!==false; if($bUseArray){ sort($aData); } $value = $bUseArray ? $aData : $aData[0]; } $aItem[$sAttr] = $value; } } return $aItem; } /** * get simpler array from ldap_get_entries after ldap_search * * @param array $aRecord singel result item * @return array public function normalizeSearchresult($aLdapSearchresult) { if (!is_array($aLdapSearchresult)){ return false; } $aReturn = array(); unset($aRecord['count']); foreach ($aLdapSearchresult as $aRecord) { $aReturn[]=$this->normalizeSearchentry($aRecord); } return $aReturn; } */ /** * sanitize value to put into a search filter * WARNING: the implementation is incomplete! I replaces the first N ascii chars only * * source: https://www.rfc-editor.org/rfc/rfc4515.txt * * @example: * $sCn = 'John Smith (john)'; * $sSearchFilter = '(cn='.$oLdap->sanitizeFilter($sCn).')'; * * @param string $s value to sanitize * @return string */ static public function sanitizeFilter($s){ // helper array to replace special chars $aReplace=array(); for($i=0; $i<65; $i++){ $val=dechex($i); if ($val<10){ $val="0$val"; } $aReplace[chr($i)]='\\'.$val; } $sReturn=$s; $sReturn=str_replace(array_keys($aReplace), array_values($aReplace), $sReturn); return $sReturn; } /** * search in ldap directory and get result as array * * @param string $sDn DN to search for * @param string $sSearchFilter filter in ldap filter syntax * @param array $aAttributesToGet flat array of attributes to fetch * @param boolean $bRecursive recusrive (uses ldap_search) or not (ldap_list) * @return array */ public function searchDn($sDn, $sSearchFilter='(objectclass=*)', $aAttributesToGet = array("*"), $bRecursive=true) { if (!$this->_ldapBind) { if (!$this->bind($this->_aLdap['DnLdapUser'], $this->_aLdap['PwLdapUser'])){ return false; } } $this->_w(__FUNCTION__ . ' DN = ' . $sDn . ' filter = ' . $sSearchFilter . ' attributes = ' . print_r($aAttributesToGet, 1).' recursive = '.($bRecursive ? 'yes' : 'no' )); $oLdapSearch = $bRecursive ? ldap_search($this->_ldapConn, $sDn, $sSearchFilter, $aAttributesToGet) : ldap_list ($this->_ldapConn, $sDn, $sSearchFilter, $aAttributesToGet) ; if (!$oLdapSearch) { $this->_w(__FUNCTION__ . " !!!ERROR!!! filter $sSearchFilter failed "); return false; } $aItems = ldap_get_entries($this->_ldapConn, $oLdapSearch); $this->_w(__FUNCTION__ . " count of returned items: ".count($aItems)); // $this->_w(__FUNCTION__ . " <pre>".print_r($aItems,1).'</pre>'); return $aItems; } /** * search for entries in in ldap user node and get result as array * * @param string $sSearchFilter filter in ldap filter syntax * @param array $aAttributesToGet flat array of attributes to fetch * @param bool $bRecursive flag: recursive search? default: true (=yes, recursive) * * @return array */ public function searchUser($sSearchFilter='', $aAttributesToGet = array("*"), $bRecursive=true) { return $this->searchDn($this->_aLdap['DnUserNode'], $sSearchFilter, $aAttributesToGet, $bRecursive); /* if (!$this->_ldapBind) { $this->bind($this->_aLdap['DnLdapUser'], $this->_aLdap['PwLdapUser']); } $this->_w(__FUNCTION__ . ' DN = ' . $this->_aLdap['DnUserNode'] . ' filter = ' . $sSearchFilter); $oLdapSearch = ldap_search( $this->_ldapConn, $this->_aLdap['DnUserNode'], $sSearchFilter, $aAttributesToGet ); $aItems = $oLdapSearch ? ldap_get_entries($this->_ldapConn, $oLdapSearch) : false; return $aItems; */ } /** * search user by a given username or email address. * It returns false if the user does not exist or is * not member of the group 'DnAppNode' (if it was set). * * @param type $sUser user id (uid) or email (mail) to search * @param type $aAttributesToGet i.e. array("ou", "sn", "vorname", "mail", "uid", "memberOf") * @return boolean|array */ public function getUserInfo($sUser, $aAttributesToGet = array("*")) { if (!$this->_ldapBind) { if (!$this->bind($this->_aLdap['DnLdapUser'], $this->_aLdap['PwLdapUser'])){ return false; } } // generate search filter $sSearchFilter = (strpos($sUser, '@')) ? "(mail=$sUser)" : "(uid=$sUser)"; if ($this->_aLdap['DnAppNode']) { $sSearchFilter .= '(memberof=' . $this->_aLdap['DnAppNode'] . ')'; } // $sSearchFilter .= '(memberof=*)'; $sSearchFilter = '(&' . $sSearchFilter . ')'; $aItems = $this->searchUser($sSearchFilter, $aAttributesToGet); if (is_array($aItems) && count($aItems) == 2) { $this->_w(__FUNCTION__ . ' OK: I got a single result: ' . print_r($aItems[0], 1)); return $aItems[0]; } else { $this->_w(__FUNCTION__ . ' ERROR: result is: <pre>' . print_r($aItems, 1) . '</pre>'); } return false; } /** * search for a DN entry with the lookup user by a given username or * email address. It returns false if the user does not exist or is * not member of the group 'DnAppNode' (if it was set). * * @param type $sUser * @return string */ public function getUserDn($sUser) { $this->_w(__FUNCTION__ . '(' . $sUser . ')'); $aItem = $this->getUserInfo($sUser, array("dn")); if (is_array($aItem) && array_key_exists('dn', $aItem)) { $this->_w(__FUNCTION__ . ' OK: dn was found ' . $aItem['dn']); return $aItem['dn']; } $this->_w(__FUNCTION__ . ' ERROR: dn was NOT found ' . print_r($aItem)); return false; } /** * set a password for a given user; * this requires a ldap bind with master/ admin account * * @param string $sUser username or email * @param string $sPW password * @return boolean */ public function setPassword($sUser, $sPW) { if (!$this->_ldapBind) { if (!$this->bind($this->_aLdap['DnLdapUser'], $this->_aLdap['PwLdapUser'])){ return false; } } $sDn = $this->getUserDn($sUser); if ($sDn) { if (!ldap_mod_replace($this->_ldapConn, $sDn, array('userpassword' => "{MD5}" . base64_encode(pack("H*", md5($sPW)))))) { $this->_wLdaperror(__FUNCTION__); return false; } else { return true; } } $this->_w(__FUNCTION__ . ' dn not found (user does not exist in ldap) ' . $sUser); return false; } /** * get NTLM hash from a string * taken from https://secure.php.net/manual/en/ref.hash.php * * @param string $Input * @return string */ private function _getNTLMHash($Input) { // Convert the password from UTF8 to UTF16 (little endian) $Input = iconv('UTF-8', 'UTF-16LE', $Input); // Encrypt it with the MD4 hash $MD4Hash=hash('md4',$Input); // Make it uppercase, not necessary, but it's common to do so with NTLM hashes $NTLMHash = strtoupper($MD4Hash); // Return the result return($NTLMHash); } /** * set a password for a given user for Samba * this requires a ldap bind with master/ admin account * see https://msdn.microsoft.com/en-us/library/cc223248.aspx * see http://php.net/ldap-modify-batch - last examle * see https://secure.php.net/manual/en/ref.hash.php * * @param string $sUser username or email * @param string $sPW password * @return boolean */ public function setPasswordSamba($sUser, $sPW) { $sDn = $this->getUserDn($sUser); if ($sDn) { $sPwField = 'sambaNTPassword'; $sPwValue = $this->_getNTLMHash($sPW); return $this->objUpdate($sDn, array( $sPwField => $sPwValue, 'SambaPwdLastSet' => date('U'), )); } $this->_w(__FUNCTION__ . ' dn not found (user does not exist in ldap) ' . $sUser); return false; } /** * update an ldap object * this requires a ldap bind with master/ admin account * * @param string $sDn dn to update * @param string $aItem array of new ldap properties * @return boolean */ public function objAdd($sDn, $aItem) { $this->_w(__FUNCTION__ . '("' . $sDn . '", <pre>['.print_r($aItem, 1).']</pre>)'); if (!$this->_ldapBind) { if (!$this->bind($this->_aLdap['DnLdapUser'], $this->_aLdap['PwLdapUser'])){ return false; } } if (!ldap_add($this->_ldapConn, $sDn, $aItem)) { $this->_wLdaperror(__FUNCTION__); return false; } return true; } /** * update an ldap attribute * this requires a ldap bind with master/ admin account * * @param string $sDn dn to update * @param string $aItem array of new ldap properties * @return boolean */ public function objAddAttr($sDn, $aItem) { $this->_w(__FUNCTION__ . '("' . $sDn . '", [array])'); if (!$this->_ldapBind) { if (!$this->bind($this->_aLdap['DnLdapUser'], $this->_aLdap['PwLdapUser'])){ return false; } } if ($sDn && is_array($aItem)) { $this->_w(__FUNCTION__ . ' ' . ($this->_ldapConn ? 'Verbindung da' : 'kein LDAP Connect')); $this->_w(__FUNCTION__ . ' ldap_mod_add($this->_ldapConn, "' . $sDn . '", ' . print_r($aItem, 1) . ')'); if (!ldap_mod_add($this->_ldapConn, $sDn, $aItem)) { $this->_w(__FUNCTION__ . ' ldap_mod_add FAILED'); $this->_wLdaperror(__FUNCTION__); return false; } return true; } $this->_w(__FUNCTION__ . ' dn not found (item does not exist in ldap) or item was not ann array ' . print_r($aItem, 1)); return false; } /** * read attributes from ldap node with given DN (using ldap_read) * * @param string $sDn DN to search for * @param string $sSearchFilter filter in ldap filter syntax * @param array $aAttributesToGet flat array of attributes to fetch * @return array */ public function objGet($sDn, $sSearchFilter='(objectclass=*)', $aAttributesToGet = array("*")) { $this->_w(__FUNCTION__ . '("' . $sDn . '", filter = '.$sSearchFilter.', atttr= '.print_r($aAttributesToGet, 1).' )'); if (!$this->_ldapBind) { if (!$this->bind($this->_aLdap['DnLdapUser'], $this->_aLdap['PwLdapUser'])){ return false; } } $oLdapResult = ldap_read($this->_ldapConn, $sDn, $sSearchFilter, $aAttributesToGet); if (!$oLdapResult) { $this->_w(__FUNCTION__ . " !!!ERROR!!! DN or filter did not match."); return false; } return ldap_get_entries($this->_ldapConn, $oLdapResult); } /** * update an ldap object with given key-value array * if the attribute (key) does not exist it will be created. * this requires a ldap bind with master/ admin account * * @param string $sDn full DN where to update the item * @param array $aItem updated entry * @return boolean */ public function objUpdate($sDn, $aItem) { $this->_w(__FUNCTION__ . '("' . $sDn . '", ' . print_r($aItem, 1) . ')'); if (!$this->_ldapBind) { if (!$this->bind($this->_aLdap['DnLdapUser'], $this->_aLdap['PwLdapUser'])){ return false; } } if ($sDn && is_array($aItem)) { if (!ldap_mod_replace($this->_ldapConn, $sDn, $aItem)) { $this->_w(__FUNCTION__ . ' ldap_mod_replace FAILED'); $this->_wLdaperror(__FUNCTION__); return false; } return true; } $this->_w(__FUNCTION__ . ' dn not found (item does not exist in ldap) ' . print_r($aItem, 1)); return false; } /** * delete an ldap object * this requires a ldap bind with master/ admin account * * @param string $sDn full DN to remove * @return boolean */ public function objDelete($sDn) { $this->_w(__FUNCTION__ . '("' . $sDn . '")'); if (!$this->_ldapBind) { if (!$this->bind($this->_aLdap['DnLdapUser'], $this->_aLdap['PwLdapUser'])){ return false; } } if ($sDn) { if (!ldap_delete($this->_ldapConn, $sDn)) { $this->_wLdaperror(__FUNCTION__); return false; } return true; } $this->_w(__FUNCTION__ . ' missing parameter for DN'); return false; } /** * delete attributes of an ldap object * this requires a ldap bind with master/ admin account * * TODO: Test me * * @param string $sDn DN * @param string $aItem item to remove * @return boolean */ public function objDeleteAttr($sDn, $aItem) { $this->_w(__FUNCTION__ . '("' . $sDn . '", [array])'); if (!$this->_ldapBind) { if (!$this->bind($this->_aLdap['DnLdapUser'], $this->_aLdap['PwLdapUser'])){ return false; } } if ($sDn && is_array($aItem)) { $this->_w(__FUNCTION__ . ' ' . ($this->_ldapConn ? 'Verbindung da' : 'kein LDAP Connect')); $this->_w(__FUNCTION__ . ' ldap_mod_del($this->_ldapConn, "' . $sDn . '", ' . print_r($aItem, 1) . ')'); if (!ldap_mod_del($this->_ldapConn, $sDn, $aItem)) { $this->_wLdaperror(__FUNCTION__); return false; } return true; } $this->_w(__FUNCTION__ . ' dn not found (item does not exist in ldap) or item was not an array ' . print_r($aItem, 1)); return false; } /** * check if an attribute exists in a DN * * @param string $sDn DN * @param string $sAttribute attribute name to check * @param string $sAttrValue value to check * @return boolean */ public function objectAttributeExists($sDn, $sAttribute) { $this->_w(__FUNCTION__ . '("' . $sDn . '", "' . $sAttribute . '")'); if (!$this->_ldapBind) { if (!$this->bind($this->_aLdap['DnLdapUser'], $this->_aLdap['PwLdapUser'])){ return false; } } $aData = $this->searchDn($sDn, '(&(objectclass=top))', array($sAttribute)); $return = (is_array($aData) && isset($aData[0][strtolower($sAttribute)])); $this->_w(__FUNCTION__ . '(...) returns ' . ($return ? 'true' : 'false')); return $return; } /** * check if an attribute and value exist in a DN * * @param string $sDn DN * @param string $sAttribute attribute name to check * @param string $sAttrValue value to check * @return boolean */ public function objectAttributeAndValueExist($sDn, $sAttribute, $sAttrValue) { $this->_w(__FUNCTION__ . '("' . $sDn . '", "' . $sAttribute . '", "' . $sAttrValue . '")'); if (!$this->_ldapBind) { if (!$this->bind($this->_aLdap['DnLdapUser'], $this->_aLdap['PwLdapUser'])){ return false; } } $aData = $this->searchDn($sDn, '(&(objectclass=top))', array($sAttribute)); $return = (is_array($aData) && isset($aData[0][strtolower($sAttribute)]) && array_search($sAttrValue, $aData[0][strtolower($sAttribute)]) !== false); $this->_w(__FUNCTION__ . '(...) returns ' . ($return ? 'true' : 'false')); return $return; } /** * check an attribute and value; it will be created if it does not exist * this requires a ldap bind with master/ admin account * * @param string $sDn dn to update * @param string $sAttribute attribute name to check * @param string $sAttrValue value to check * @return boolean */ public function objectAttributeAndValueMustExist($sDn, $sAttribute, $sAttrValue) { $this->_w(__FUNCTION__ . '("' . $sDn . '", "' . $sAttribute . '", "' . $sAttrValue . '")'); // return if it already exists if ($this->objectAttributeAndValueExist($sDn, $sAttribute, $sAttrValue)) { return true; } // create it $this->_w(__FUNCTION__ . " create $sAttribute = $sAttrValue"); $return = $this->objAddAttr($sDn, array($sAttribute => $sAttrValue)); return $return; } /** * create a new user item * this requires a ldap bind with master/ admin account * * @param array $aItem ldap properties * @param string $sDn optional DN where to create the user * @return boolean */ public function userAdd($aItem, $sDn = false) { if (!$sDn) { $sDn = 'cn=' . $aItem['cn'] . ',' . $this->_aLdap['DnUserNode']; } $this->_w(__FUNCTION__ . '([array], "' . $sDn . '")'); if ($sDn) { return $this->objAdd($sDn, $aItem); } $this->_w(__FUNCTION__ . ' node dn where to put the user was not found; set a value DnUserNode in ldap config or set it as 2nd parameter ' . print_r($aItem, 1)); return false; } /** * delete a user * this requires a ldap bind with master/ admin account * * @param string $sUser user to update * @param string $sPW new password to set * @return boolean */ public function userDelete($sUserDn) { $this->_w(__FUNCTION__ . '(' . $sUserDn . ')'); return $this->objDelete($sUserDn); } /** * update an ldap object * this requires a ldap bind with master/ admin account * * @param array $aItem new user data to update * @return boolean */ public function userUpdate($aItem) { $this->_w(__FUNCTION__ . '([array])'); $sDn = $this->getUserDn($aItem['uid']); if ($sDn) { if (array_key_exists('cn', $aItem)) { $this->_w(__FUNCTION__ . ' deleting cn entry.'); unset($aItem['cn']); } return $this->objUpdate($sDn, $aItem); } $this->_w(__FUNCTION__ . ' dn not found (user does not exist in ldap) ' . $sDn); return false; } /** * verify user and password * @param string $sUser username or email * @param string $sPW password * @return boolean */ public function verifyPassword($sUser, $sPW) { $sDn = $this->getUserDn($sUser); if ($sDn) { return $this->bind($sDn, $sPW); /* if (!$this->bind($this->_aLdap['DnLdapUser'], $this->_aLdap['PwLdapUser'])){ return false; } */ } $this->_w(__FUNCTION__ . ' dn not found (user does not exist in ldap) ' . $sUser); return false; } }