diff options
| author | Craig Andrews <candrews@integralblue.com> | 2010-03-23 21:57:47 -0400 |
|---|---|---|
| committer | Craig Andrews <candrews@integralblue.com> | 2010-03-23 21:57:47 -0400 |
| commit | 1f73156daeef47cf8a7214936383fbc496255fd7 (patch) | |
| tree | 36d187f51b57f0df079d0c05d77bdcd807f30159 /extlib | |
| parent | 6b538cd9b31ffa25d2046e16d47a0cde26d0398f (diff) | |
Move the bundled Net/LDAP2 library to the LdapCommon directory
Diffstat (limited to 'extlib')
| -rw-r--r-- | extlib/Net/LDAP2.php | 1791 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/Entry.php | 1055 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/Filter.php | 514 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/LDIF.php | 922 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/RootDSE.php | 240 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/Schema.php | 516 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/SchemaCache.interface.php | 59 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/Search.php | 614 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/SimpleFileSchemaCache.php | 97 | ||||
| -rw-r--r-- | extlib/Net/LDAP2/Util.php | 572 |
10 files changed, 0 insertions, 6380 deletions
diff --git a/extlib/Net/LDAP2.php b/extlib/Net/LDAP2.php deleted file mode 100644 index 26f5e7560..000000000 --- a/extlib/Net/LDAP2.php +++ /dev/null @@ -1,1791 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4: */ -/** -* File containing the Net_LDAP2 interface class. -* -* PHP version 5 -* -* @category Net -* @package Net_LDAP2 -* @author Tarjej Huse <tarjei@bergfald.no> -* @author Jan Wagner <wagner@netsols.de> -* @author Del <del@babel.com.au> -* @author Benedikt Hallinger <beni@php.net> -* @copyright 2003-2007 Tarjej Huse, Jan Wagner, Del Elson, Benedikt Hallinger -* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 -* @version SVN: $Id: LDAP2.php 286788 2009-08-04 06:05:49Z beni $ -* @link http://pear.php.net/package/Net_LDAP2/ -*/ - -/** -* Package includes. -*/ -require_once 'PEAR.php'; -require_once 'Net/LDAP2/RootDSE.php'; -require_once 'Net/LDAP2/Schema.php'; -require_once 'Net/LDAP2/Entry.php'; -require_once 'Net/LDAP2/Search.php'; -require_once 'Net/LDAP2/Util.php'; -require_once 'Net/LDAP2/Filter.php'; -require_once 'Net/LDAP2/LDIF.php'; -require_once 'Net/LDAP2/SchemaCache.interface.php'; -require_once 'Net/LDAP2/SimpleFileSchemaCache.php'; - -/** -* Error constants for errors that are not LDAP errors. -*/ -define('NET_LDAP2_ERROR', 1000); - -/** -* Net_LDAP2 Version -*/ -define('NET_LDAP2_VERSION', '2.0.7'); - -/** -* Net_LDAP2 - manipulate LDAP servers the right way! -* -* @category Net -* @package Net_LDAP2 -* @author Tarjej Huse <tarjei@bergfald.no> -* @author Jan Wagner <wagner@netsols.de> -* @author Del <del@babel.com.au> -* @author Benedikt Hallinger <beni@php.net> -* @copyright 2003-2007 Tarjej Huse, Jan Wagner, Del Elson, Benedikt Hallinger -* @license http://www.gnu.org/copyleft/lesser.html LGPL -* @link http://pear.php.net/package/Net_LDAP2/ -*/ -class Net_LDAP2 extends PEAR -{ - /** - * Class configuration array - * - * host = the ldap host to connect to - * (may be an array of several hosts to try) - * port = the server port - * version = ldap version (defaults to v 3) - * starttls = when set, ldap_start_tls() is run after connecting. - * bindpw = no explanation needed - * binddn = the DN to bind as. - * basedn = ldap base - * options = hash of ldap options to set (opt => val) - * filter = default search filter - * scope = default search scope - * - * Newly added in 2.0.0RC4, for auto-reconnect: - * auto_reconnect = if set to true then the class will automatically - * attempt to reconnect to the LDAP server in certain - * failure conditionswhen attempting a search, or other - * LDAP operation. Defaults to false. Note that if you - * set this to true, calls to search() may block - * indefinitely if there is a catastrophic server failure. - * min_backoff = minimum reconnection delay period (in seconds). - * current_backoff = initial reconnection delay period (in seconds). - * max_backoff = maximum reconnection delay period (in seconds). - * - * @access protected - * @var array - */ - protected $_config = array('host' => 'localhost', - 'port' => 389, - 'version' => 3, - 'starttls' => false, - 'binddn' => '', - 'bindpw' => '', - 'basedn' => '', - 'options' => array(), - 'filter' => '(objectClass=*)', - 'scope' => 'sub', - 'auto_reconnect' => false, - 'min_backoff' => 1, - 'current_backoff' => 1, - 'max_backoff' => 32); - - /** - * List of hosts we try to establish a connection to - * - * @access protected - * @var array - */ - protected $_host_list = array(); - - /** - * List of hosts that are known to be down. - * - * @access protected - * @var array - */ - protected $_down_host_list = array(); - - /** - * LDAP resource link. - * - * @access protected - * @var resource - */ - protected $_link = false; - - /** - * Net_LDAP2_Schema object - * - * This gets set and returned by {@link schema()} - * - * @access protected - * @var object Net_LDAP2_Schema - */ - protected $_schema = null; - - /** - * Schema cacher function callback - * - * @see registerSchemaCache() - * @var string - */ - protected $_schema_cache = null; - - /** - * Cache for attribute encoding checks - * - * @access protected - * @var array Hash with attribute names as key and boolean value - * to determine whether they should be utf8 encoded or not. - */ - protected $_schemaAttrs = array(); - - /** - * Cache for rootDSE objects - * - * Hash with requested rootDSE attr names as key and rootDSE object as value - * - * Since the RootDSE object itself may request a rootDSE object, - * {@link rootDse()} caches successful requests. - * Internally, Net_LDAP2 needs several lookups to this object, so - * caching increases performance significally. - * - * @access protected - * @var array - */ - protected $_rootDSE_cache = array(); - - /** - * Returns the Net_LDAP2 Release version, may be called statically - * - * @static - * @return string Net_LDAP2 version - */ - public static function getVersion() - { - return NET_LDAP2_VERSION; - } - - /** - * Configure Net_LDAP2, connect and bind - * - * Use this method as starting point of using Net_LDAP2 - * to establish a connection to your LDAP server. - * - * Static function that returns either an error object or the new Net_LDAP2 - * object. Something like a factory. Takes a config array with the needed - * parameters. - * - * @param array $config Configuration array - * - * @access public - * @return Net_LDAP2_Error|Net_LDAP2 Net_LDAP2_Error or Net_LDAP2 object - */ - public static function &connect($config = array()) - { - $ldap_check = self::checkLDAPExtension(); - if (self::iserror($ldap_check)) { - return $ldap_check; - } - - @$obj = new Net_LDAP2($config); - - // todo? better errorhandling for setConfig()? - - // connect and bind with credentials in config - $err = $obj->bind(); - if (self::isError($err)) { - return $err; - } - - return $obj; - } - - /** - * Net_LDAP2 constructor - * - * Sets the config array - * - * Please note that the usual way of getting Net_LDAP2 to work is - * to call something like: - * <code>$ldap = Net_LDAP2::connect($ldap_config);</code> - * - * @param array $config Configuration array - * - * @access protected - * @return void - * @see $_config - */ - public function __construct($config = array()) - { - $this->PEAR('Net_LDAP2_Error'); - $this->setConfig($config); - } - - /** - * Sets the internal configuration array - * - * @param array $config Configuration array - * - * @access protected - * @return void - */ - protected function setConfig($config) - { - // - // Parameter check -- probably should raise an error here if config - // is not an array. - // - if (! is_array($config)) { - return; - } - - foreach ($config as $k => $v) { - if (isset($this->_config[$k])) { - $this->_config[$k] = $v; - } else { - // map old (Net_LDAP2) parms to new ones - switch($k) { - case "dn": - $this->_config["binddn"] = $v; - break; - case "password": - $this->_config["bindpw"] = $v; - break; - case "tls": - $this->_config["starttls"] = $v; - break; - case "base": - $this->_config["basedn"] = $v; - break; - } - } - } - - // - // Ensure the host list is an array. - // - if (is_array($this->_config['host'])) { - $this->_host_list = $this->_config['host']; - } else { - if (strlen($this->_config['host']) > 0) { - $this->_host_list = array($this->_config['host']); - } else { - $this->_host_list = array(); - // ^ this will cause an error in performConnect(), - // so the user is notified about the failure - } - } - - // - // Reset the down host list, which seems like a sensible thing to do - // if the config is being reset for some reason. - // - $this->_down_host_list = array(); - } - - /** - * Bind or rebind to the ldap-server - * - * This function binds with the given dn and password to the server. In case - * no connection has been made yet, it will be started and startTLS issued - * if appropiate. - * - * The internal bind configuration is not being updated, so if you call - * bind() without parameters, you can rebind with the credentials - * provided at first connecting to the server. - * - * @param string $dn Distinguished name for binding - * @param string $password Password for binding - * - * @access public - * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true - */ - public function bind($dn = null, $password = null) - { - // fetch current bind credentials - if (is_null($dn)) { - $dn = $this->_config["binddn"]; - } - if (is_null($password)) { - $password = $this->_config["bindpw"]; - } - - // Connect first, if we haven't so far. - // This will also bind us to the server. - if ($this->_link === false) { - // store old credentials so we can revert them later - // then overwrite config with new bind credentials - $olddn = $this->_config["binddn"]; - $oldpw = $this->_config["bindpw"]; - - // overwrite bind credentials in config - // so performConnect() knows about them - $this->_config["binddn"] = $dn; - $this->_config["bindpw"] = $password; - - // try to connect with provided credentials - $msg = $this->performConnect(); - - // reset to previous config - $this->_config["binddn"] = $olddn; - $this->_config["bindpw"] = $oldpw; - - // see if bind worked - if (self::isError($msg)) { - return $msg; - } - } else { - // do the requested bind as we are - // asked to bind manually - if (is_null($dn)) { - // anonymous bind - $msg = @ldap_bind($this->_link); - } else { - // privileged bind - $msg = @ldap_bind($this->_link, $dn, $password); - } - if (false === $msg) { - return PEAR::raiseError("Bind failed: " . - @ldap_error($this->_link), - @ldap_errno($this->_link)); - } - } - return true; - } - - /** - * Connect to the ldap-server - * - * This function connects to the LDAP server specified in - * the configuration, binds and set up the LDAP protocol as needed. - * - * @access protected - * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true - */ - protected function performConnect() - { - // Note: Connecting is briefly described in RFC1777. - // Basicly it works like this: - // 1. set up TCP connection - // 2. secure that connection if neccessary - // 3a. setLDAPVersion to tell server which version we want to speak - // 3b. perform bind - // 3c. setLDAPVersion to tell server which version we want to speak - // together with a test for supported versions - // 4. set additional protocol options - - // Return true if we are already connected. - if ($this->_link !== false) { - return true; - } - - // Connnect to the LDAP server if we are not connected. Note that - // with some LDAP clients, ldapperformConnect returns a link value even - // if no connection is made. We need to do at least one anonymous - // bind to ensure that a connection is actually valid. - // - // Ref: http://www.php.net/manual/en/function.ldap-connect.php - - // Default error message in case all connection attempts - // fail but no message is set - $current_error = new PEAR_Error('Unknown connection error'); - - // Catch empty $_host_list arrays. - if (!is_array($this->_host_list) || count($this->_host_list) == 0) { - $current_error = PEAR::raiseError('No Servers configured! Please '. - 'pass in an array of servers to Net_LDAP2'); - return $current_error; - } - - // Cycle through the host list. - foreach ($this->_host_list as $host) { - - // Ensure we have a valid string for host name - if (is_array($host)) { - $current_error = PEAR::raiseError('No Servers configured! '. - 'Please pass in an one dimensional array of servers to '. - 'Net_LDAP2! (multidimensional array detected!)'); - continue; - } - - // Skip this host if it is known to be down. - if (in_array($host, $this->_down_host_list)) { - continue; - } - - // Record the host that we are actually connecting to in case - // we need it later. - $this->_config['host'] = $host; - - // Attempt a connection. - $this->_link = @ldap_connect($host, $this->_config['port']); - if (false === $this->_link) { - $current_error = PEAR::raiseError('Could not connect to ' . - $host . ':' . $this->_config['port']); - $this->_down_host_list[] = $host; - continue; - } - - // If we're supposed to use TLS, do so before we try to bind, - // as some strict servers only allow binding via secure connections - if ($this->_config["starttls"] === true) { - if (self::isError($msg = $this->startTLS())) { - $current_error = $msg; - $this->_link = false; - $this->_down_host_list[] = $host; - continue; - } - } - - // Try to set the configured LDAP version on the connection if LDAP - // server needs that before binding (eg OpenLDAP). - // This could be necessary since rfc-1777 states that the protocol version - // has to be set at the bind request. - // We use force here which means that the test in the rootDSE is skipped; - // this is neccessary, because some strict LDAP servers only allow to - // read the LDAP rootDSE (which tells us the supported protocol versions) - // with authenticated clients. - // This may fail in which case we try again after binding. - // In this case, most probably the bind() or setLDAPVersion()-call - // below will also fail, providing error messages. - $version_set = false; - $ignored_err = $this->setLDAPVersion(0, true); - if (!self::isError($ignored_err)) { - $version_set = true; - } - - // Attempt to bind to the server. If we have credentials configured, - // we try to use them, otherwise its an anonymous bind. - // As stated by RFC-1777, the bind request should be the first - // operation to be performed after the connection is established. - // This may give an protocol error if the server does not support - // V2 binds and the above call to setLDAPVersion() failed. - // In case the above call failed, we try an V2 bind here and set the - // version afterwards (with checking to the rootDSE). - $msg = $this->bind(); - if (self::isError($msg)) { - // The bind failed, discard link and save error msg. - // Then record the host as down and try next one - if ($msg->getCode() == 0x02 && !$version_set) { - // provide a finer grained error message - // if protocol error arieses because of invalid version - $msg = new Net_LDAP2_Error($msg->getMessage(). - " (could not set LDAP protocol version to ". - $this->_config['version'].")", - $msg->getCode()); - } - $this->_link = false; - $current_error = $msg; - $this->_down_host_list[] = $host; - continue; - } - - // Set desired LDAP version if not successfully set before. - // Here, a check against the rootDSE is performed, so we get a - // error message if the server does not support the version. - // The rootDSE entry should tell us which LDAP versions are - // supported. However, some strict LDAP servers only allow - // bound suers to read the rootDSE. - if (!$version_set) { - if (self::isError($msg = $this->setLDAPVersion())) { - $current_error = $msg; - $this->_link = false; - $this->_down_host_list[] = $host; - continue; - } - } - - // Set LDAP parameters, now we know we have a valid connection. - if (isset($this->_config['options']) && - is_array($this->_config['options']) && - count($this->_config['options'])) { - foreach ($this->_config['options'] as $opt => $val) { - $err = $this->setOption($opt, $val); - if (self::isError($err)) { - $current_error = $err; - $this->_link = false; - $this->_down_host_list[] = $host; - continue 2; - } - } - } - - // At this stage we have connected, bound, and set up options, - // so we have a known good LDAP server. Time to go home. - return true; - } - - - // All connection attempts have failed, return the last error. - return $current_error; - } - - /** - * Reconnect to the ldap-server. - * - * In case the connection to the LDAP - * service has dropped out for some reason, this function will reconnect, - * and re-bind if a bind has been attempted in the past. It is probably - * most useful when the server list provided to the new() or connect() - * function is an array rather than a single host name, because in that - * case it will be able to connect to a failover or secondary server in - * case the primary server goes down. - * - * This doesn't return anything, it just tries to re-establish - * the current connection. It will sleep for the current backoff - * period (seconds) before attempting the connect, and if the - * connection fails it will double the backoff period, but not - * try again. If you want to ensure a reconnection during a - * transient period of server downtime then you need to call this - * function in a loop. - * - * @access protected - * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true - */ - protected function performReconnect() - { - - // Return true if we are already connected. - if ($this->_link !== false) { - return true; - } - - // Default error message in case all connection attempts - // fail but no message is set - $current_error = new PEAR_Error('Unknown connection error'); - - // Sleep for a backoff period in seconds. - sleep($this->_config['current_backoff']); - - // Retry all available connections. - $this->_down_host_list = array(); - $msg = $this->performConnect(); - - // Bail out if that fails. - if (self::isError($msg)) { - $this->_config['current_backoff'] = - $this->_config['current_backoff'] * 2; - if ($this->_config['current_backoff'] > $this->_config['max_backoff']) { - $this->_config['current_backoff'] = $this->_config['max_backoff']; - } - return $msg; - } - - // Now we should be able to safely (re-)bind. - $msg = $this->bind(); - if (self::isError($msg)) { - $this->_config['current_backoff'] = $this->_config['current_backoff'] * 2; - if ($this->_config['current_backoff'] > $this->_config['max_backoff']) { - $this->_config['current_backoff'] = $this->_config['max_backoff']; - } - - // _config['host'] should have had the last connected host stored in it - // by performConnect(). Since we are unable to bind to that host we can safely - // assume that it is down or has some other problem. - $this->_down_host_list[] = $this->_config['host']; - return $msg; - } - - // At this stage we have connected, bound, and set up options, - // so we have a known good LDAP server. Time to go home. - $this->_config['current_backoff'] = $this->_config['min_backoff']; - return true; - } - - /** - * Starts an encrypted session - * - * @access public - * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true - */ - public function startTLS() - { - // Test to see if the server supports TLS first. - // This is done via testing the extensions offered by the server. - // The OID 1.3.6.1.4.1.1466.20037 tells us, if TLS is supported. - $rootDSE = $this->rootDse(); - if (self::isError($rootDSE)) { - return $this->raiseError("Unable to fetch rootDSE entry ". - "to see if TLS is supoported: ".$rootDSE->getMessage(), $rootDSE->getCode()); - } - - $supported_extensions = $rootDSE->getValue('supportedExtension'); - if (self::isError($supported_extensions)) { - return $this->raiseError("Unable to fetch rootDSE attribute 'supportedExtension' ". - "to see if TLS is supoported: ".$supported_extensions->getMessage(), $supported_extensions->getCode()); - } - - if (in_array('1.3.6.1.4.1.1466.20037', $supported_extensions)) { - if (false === @ldap_start_tls($this->_link)) { - return $this->raiseError("TLS not started: " . - @ldap_error($this->_link), - @ldap_errno($this->_link)); - } - return true; - } else { - return $this->raiseError("Server reports that it does not support TLS"); - } - } - - /** - * alias function of startTLS() for perl-ldap interface - * - * @return void - * @see startTLS() - */ - public function start_tls() - { - $args = func_get_args(); - return call_user_func_array(array( &$this, 'startTLS' ), $args); - } - - /** - * Close LDAP connection. - * - * Closes the connection. Use this when the session is over. - * - * @return void - */ - public function done() - { - $this->_Net_LDAP2(); - } - - /** - * Alias for {@link done()} - * - * @return void - * @see done() - */ - public function disconnect() - { - $this->done(); - } - - /** - * Destructor - * - * @access protected - */ - public function _Net_LDAP2() - { - @ldap_close($this->_link); - } - - /** - * Add a new entryobject to a directory. - * - * Use add to add a new Net_LDAP2_Entry object to the directory. - * This also links the entry to the connection used for the add, - * if it was a fresh entry ({@link Net_LDAP2_Entry::createFresh()}) - * - * @param Net_LDAP2_Entry &$entry Net_LDAP2_Entry - * - * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true - */ - public function add(&$entry) - { - if (!$entry instanceof Net_LDAP2_Entry) { - return PEAR::raiseError('Parameter to Net_LDAP2::add() must be a Net_LDAP2_Entry object.'); - } - - // Continue attempting the add operation in a loop until we - // get a success, a definitive failure, or the world ends. - $foo = 0; - while (true) { - $link = $this->getLink(); - - if ($link === false) { - // We do not have a successful connection yet. The call to - // getLink() would have kept trying if we wanted one. Go - // home now. - return PEAR::raiseError("Could not add entry " . $entry->dn() . - " no valid LDAP connection could be found."); - } - - if (@ldap_add($link, $entry->dn(), $entry->getValues())) { - // entry successfully added, we should update its $ldap reference - // in case it is not set so far (fresh entry) - if (!$entry->getLDAP() instanceof Net_LDAP2) { - $entry->setLDAP($this); - } - // store, that the entry is present inside the directory - $entry->markAsNew(false); - return true; - } else { - // We have a failure. What type? We may be able to reconnect - // and try again. - $error_code = @ldap_errno($link); - $error_name = $this->errorMessage($error_code); - - if (($error_name === 'LDAP_OPERATIONS_ERROR') && - ($this->_config['auto_reconnect'])) { - - // The server has become disconnected before trying the - // operation. We should try again, possibly with a different - // server. - $this->_link = false; - $this->performReconnect(); - } else { - // Errors other than the above catched are just passed - // back to the user so he may react upon them. - return PEAR::raiseError("Could not add entry " . $entry->dn() . " " . - $error_name, - $error_code); - } - } - } - } - - /** - * Delete an entry from the directory - * - * The object may either be a string representing the dn or a Net_LDAP2_Entry - * object. When the boolean paramter recursive is set, all subentries of the - * entry will be deleted as well. - * - * @param string|Net_LDAP2_Entry $dn DN-string or Net_LDAP2_Entry - * @param boolean $recursive Should we delete all children recursive as well? - * - * @access public - * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true - */ - public function delete($dn, $recursive = false) - { - if ($dn instanceof Net_LDAP2_Entry) { - $dn = $dn->dn(); - } - if (false === is_string($dn)) { - return PEAR::raiseError("Parameter is not a string nor an entry object!"); - } - // Recursive delete searches for children and calls delete for them - if ($recursive) { - $result = @ldap_list($this->_link, $dn, '(objectClass=*)', array(null), 0, 0); - if (@ldap_count_entries($this->_link, $result)) { - $subentry = @ldap_first_entry($this->_link, $result); - $this->delete(@ldap_get_dn($this->_link, $subentry), true); - while ($subentry = @ldap_next_entry($this->_link, $subentry)) { - $this->delete(@ldap_get_dn($this->_link, $subentry), true); - } - } - } - - // Continue attempting the delete operation in a loop until we - // get a success, a definitive failure, or the world ends. - while (true) { - $link = $this->getLink(); - - if ($link === false) { - // We do not have a successful connection yet. The call to - // getLink() would have kept trying if we wanted one. Go - // home now. - return PEAR::raiseError("Could not add entry " . $dn . - " no valid LDAP connection could be found."); - } - - if (@ldap_delete($link, $dn)) { - // entry successfully deleted. - return true; - } else { - // We have a failure. What type? - // We may be able to reconnect and try again. - $error_code = @ldap_errno($link); - $error_name = $this->errorMessage($error_code); - - if (($this->errorMessage($error_code) === 'LDAP_OPERATIONS_ERROR') && - ($this->_config['auto_reconnect'])) { - // The server has become disconnected before trying the - // operation. We should try again, possibly with a - // different server. - $this->_link = false; - $this->performReconnect(); - - } elseif ($error_code == 66) { - // Subentries present, server refused to delete. - // Deleting subentries is the clients responsibility, but - // since the user may not know of the subentries, we do not - // force that here but instead notify the developer so he - // may take actions himself. - return PEAR::raiseError("Could not delete entry $dn because of subentries. Use the recursive parameter to delete them."); - - } else { - // Errors other than the above catched are just passed - // back to the user so he may react upon them. - return PEAR::raiseError("Could not delete entry " . $dn . " " . - $error_name, - $error_code); - } - } - } - } - - /** - * Modify an ldapentry directly on the server - * - * This one takes the DN or a Net_LDAP2_Entry object and an array of actions. - * This array should be something like this: - * - * array('add' => array('attribute1' => array('val1', 'val2'), - * 'attribute2' => array('val1')), - * 'delete' => array('attribute1'), - * 'replace' => array('attribute1' => array('val1')), - * 'changes' => array('add' => ..., - * 'replace' => ..., - * 'delete' => array('attribute1', 'attribute2' => array('val1'))) - * - * The changes array is there so the order of operations can be influenced - * (the operations are done in order of appearance). - * The order of execution is as following: - * 1. adds from 'add' array - * 2. deletes from 'delete' array - * 3. replaces from 'replace' array - * 4. changes (add, replace, delete) in order of appearance - * All subarrays (add, replace, delete, changes) may be given at the same time. - * - * The function calls the corresponding functions of an Net_LDAP2_Entry - * object. A detailed description of array structures can be found there. - * - * Unlike the modification methods provided by the Net_LDAP2_Entry object, - * this method will instantly carry out an update() after each operation, - * thus modifying "directly" on the server. - * - * @param string|Net_LDAP2_Entry $entry DN-string or Net_LDAP2_Entry - * @param array $parms Array of changes - * - * @access public - * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true - */ - public function modify($entry, $parms = array()) - { - if (is_string($entry)) { - $entry = $this->getEntry($entry); - if (self::isError($entry)) { - return $entry; - } - } - if (!$entry instanceof Net_LDAP2_Entry) { - return PEAR::raiseError("Parameter is not a string nor an entry object!"); - } - - // Perform changes mentioned separately - foreach (array('add', 'delete', 'replace') as $action) { - if (isset($parms[$action])) { - $msg = $entry->$action($parms[$action]); - if (self::isError($msg)) { - return $msg; - } - $entry->setLDAP($this); - - // Because the @ldap functions are called inside Net_LDAP2_Entry::update(), - // we have to trap the error codes issued from that if we want to support - // reconnection. - while (true) { - $msg = $entry->update(); - - if (self::isError($msg)) { - // We have a failure. What type? We may be able to reconnect - // and try again. - $error_code = $msg->getCode(); - $error_name = $this->errorMessage($error_code); - - if (($this->errorMessage($error_code) === 'LDAP_OPERATIONS_ERROR') && - ($this->_config['auto_reconnect'])) { - - // The server has become disconnected before trying the - // operation. We should try again, possibly with a different - // server. - $this->_link = false; - $this->performReconnect(); - - } else { - - // Errors other than the above catched are just passed - // back to the user so he may react upon them. - return PEAR::raiseError("Could not modify entry: ".$msg->getMessage()); - } - } else { - // modification succeedet, evaluate next change - break; - } - } - } - } - - // perform combined changes in 'changes' array - if (isset($parms['changes']) && is_array($parms['changes'])) { - foreach ($parms['changes'] as $action => $value) { - - // Because the @ldap functions are called inside Net_LDAP2_Entry::update, - // we have to trap the error codes issued from that if we want to support - // reconnection. - while (true) { - $msg = $this->modify($entry, array($action => $value)); - - if (self::isError($msg)) { - // We have a failure. What type? We may be able to reconnect - // and try again. - $error_code = $msg->getCode(); - $error_name = $this->errorMessage($error_code); - - if (($this->errorMessage($error_code) === 'LDAP_OPERATIONS_ERROR') && - ($this->_config['auto_reconnect'])) { - - // The server has become disconnected before trying the - // operation. We should try again, possibly with a different - // server. - $this->_link = false; - $this->performReconnect(); - - } else { - // Errors other than the above catched are just passed - // back to the user so he may react upon them. - return $msg; - } - } else { - // modification succeedet, evaluate next change - break; - } - } - } - } - - return true; - } - - /** - * Run a ldap search query - * - * Search is used to query the ldap-database. - * $base and $filter may be ommitted. The one from config will - * then be used. $base is either a DN-string or an Net_LDAP2_Entry - * object in which case its DN willb e used. - * - * Params may contain: - * - * scope: The scope which will be used for searching - * base - Just one entry - * sub - The whole tree - * one - Immediately below $base - * sizelimit: Limit the number of entries returned (default: 0 = unlimited), - * timelimit: Limit the time spent for searching (default: 0 = unlimited), - * attrsonly: If true, the search will only return the attribute names, - * attributes: Array of attribute names, which the entry should contain. - * It is good practice to limit this to just the ones you need. - * [NOT IMPLEMENTED] - * deref: By default aliases are dereferenced to locate the base object for the search, but not when - * searching subordinates of the base object. This may be changed by specifying one of the - * following values: - * - * never - Do not dereference aliases in searching or in locating the base object of the search. - * search - Dereference aliases in subordinates of the base object in searching, but not in - * locating the base object of the search. - * find - * always - * - * Please note, that you cannot override server side limitations to sizelimit - * and timelimit: You can always only lower a given limit. - * - * @param string|Net_LDAP2_Entry $base LDAP searchbase - * @param string|Net_LDAP2_Filter $filter LDAP search filter or a Net_LDAP2_Filter object - * @param array $params Array of options - * - * @access public - * @return Net_LDAP2_Search|Net_LDAP2_Error Net_LDAP2_Search object or Net_LDAP2_Error object - * @todo implement search controls (sorting etc) - */ - public function search($base = null, $filter = null, $params = array()) - { - if (is_null($base)) { - $base = $this->_config['basedn']; - } - if ($base instanceof Net_LDAP2_Entry) { - $base = $base->dn(); // fetch DN of entry, making searchbase relative to the entry - } - if (is_null($filter)) { - $filter = $this->_config['filter']; - } - if ($filter instanceof Net_LDAP2_Filter) { - $filter = $filter->asString(); // convert Net_LDAP2_Filter to string representation - } - if (PEAR::isError($filter)) { - return $filter; - } - if (PEAR::isError($base)) { - return $base; - } - - /* setting searchparameters */ - (isset($params['sizelimit'])) ? $sizelimit = $params['sizelimit'] : $sizelimit = 0; - (isset($params['timelimit'])) ? $timelimit = $params['timelimit'] : $timelimit = 0; - (isset($params['attrsonly'])) ? $attrsonly = $params['attrsonly'] : $attrsonly = 0; - (isset($params['attributes'])) ? $attributes = $params['attributes'] : $attributes = array(); - - // Ensure $attributes to be an array in case only one - // attribute name was given as string - if (!is_array($attributes)) { - $attributes = array($attributes); - } - - // reorganize the $attributes array index keys - // sometimes there are problems with not consecutive indexes - $attributes = array_values($attributes); - - // scoping makes searches faster! - $scope = (isset($params['scope']) ? $params['scope'] : $this->_config['scope']); - - switch ($scope) { - case 'one': - $search_function = 'ldap_list'; - break; - case 'base': - $search_function = 'ldap_read'; - break; - default: - $search_function = 'ldap_search'; - } - - // Continue attempting the search operation until we get a success - // or a definitive failure. - while (true) { - $link = $this->getLink(); - $search = @call_user_func($search_function, - $link, - $base, - $filter, - $attributes, - $attrsonly, - $sizelimit, - $timelimit); - - if ($err = @ldap_errno($link)) { - if ($err == 32) { - // Errorcode 32 = no such object, i.e. a nullresult. - return $obj = new Net_LDAP2_Search ($search, $this, $attributes); - } elseif ($err == 4) { - // Errorcode 4 = sizelimit exeeded. - return $obj = new Net_LDAP2_Search ($search, $this, $attributes); - } elseif ($err == 87) { - // bad search filter - return $this->raiseError($this->errorMessage($err) . "($filter)", $err); - } elseif (($err == 1) && ($this->_config['auto_reconnect'])) { - // Errorcode 1 = LDAP_OPERATIONS_ERROR but we can try a reconnect. - $this->_link = false; - $this->performReconnect(); - } else { - $msg = "\nParameters:\nBase: $base\nFilter: $filter\nScope: $scope"; - return $this->raiseError($this->errorMessage($err) . $msg, $err); - } - } else { - return $obj = new Net_LDAP2_Search($search, $this, $attributes); - } - } - } - - /** - * Set an LDAP option - * - * @param string $option Option to set - * @param mixed $value Value to set Option to - * - * @access public - * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true - */ - public function setOption($option, $value) - { - if ($this->_link) { - if (defined($option)) { - if (@ldap_set_option($this->_link, constant($option), $value)) { - return true; - } else { - $err = @ldap_errno($this->_link); - if ($err) { - $msg = @ldap_err2str($err); - } else { - $err = NET_LDAP2_ERROR; - $msg = $this->errorMessage($err); - } - return $this->raiseError($msg, $err); - } - } else { - return $this->raiseError("Unkown Option requested"); - } - } else { - return $this->raiseError("Could not set LDAP option: No LDAP connection"); - } - } - - /** - * Get an LDAP option value - * - * @param string $option Option to get - * - * @access public - * @return Net_LDAP2_Error|string Net_LDAP2_Error or option value - */ - public function getOption($option) - { - if ($this->_link) { - if (defined($option)) { - if (@ldap_get_option($this->_link, constant($option), $value)) { - return $value; - } else { - $err = @ldap_errno($this->_link); - if ($err) { - $msg = @ldap_err2str($err); - } else { - $err = NET_LDAP2_ERROR; - $msg = $this->errorMessage($err); - } - return $this->raiseError($msg, $err); - } - } else { - $this->raiseError("Unkown Option requested"); - } - } else { - $this->raiseError("No LDAP connection"); - } - } - - /** - * Get the LDAP_PROTOCOL_VERSION that is used on the connection. - * - * A lot of ldap functionality is defined by what protocol version the ldap server speaks. - * This might be 2 or 3. - * - * @return int - */ - public function getLDAPVersion() - { - if ($this->_link) { - $version = $this->getOption("LDAP_OPT_PROTOCOL_VERSION"); - } else { - $version = $this->_config['version']; - } - return $version; - } - - /** - * Set the LDAP_PROTOCOL_VERSION that is used on the connection. - * - * @param int $version LDAP-version that should be used - * @param boolean $force If set to true, the check against the rootDSE will be skipped - * - * @return Net_LDAP2_Error|true Net_LDAP2_Error object or true - * @todo Checking via the rootDSE takes much time - why? fetching and instanciation is quick! - */ - public function setLDAPVersion($version = 0, $force = false) - { - if (!$version) { - $version = $this->_config['version']; - } - - // - // Check to see if the server supports this version first. - // - // Todo: Why is this so horribly slow? - // $this->rootDse() is very fast, as well as Net_LDAP2_RootDSE::fetch() - // seems like a problem at copiyng the object inside PHP?? - // Additionally, this is not always reproducable... - // - if (!$force) { - $rootDSE = $this->rootDse(); - if ($rootDSE instanceof Net_LDAP2_Error) { - return $rootDSE; - } else { - $supported_versions = $rootDSE->getValue('supportedLDAPVersion'); - if (is_string($supported_versions)) { - $supported_versions = array($supported_versions); - } - $check_ok = in_array($version, $supported_versions); - } - } - - if ($force || $check_ok) { - return $this->setOption("LDAP_OPT_PROTOCOL_VERSION", $version); - } else { - return $this->raiseError("LDAP Server does not support protocol version " . $version); - } - } - - - /** - * Tells if a DN does exist in the directory - * - * @param string|Net_LDAP2_Entry $dn The DN of the object to test - * - * @return boolean|Net_LDAP2_Error - */ - public function dnExists($dn) - { - if (PEAR::isError($dn)) { - return $dn; - } - if ($dn instanceof Net_LDAP2_Entry) { - $dn = $dn->dn(); - } - if (false === is_string($dn)) { - return PEAR::raiseError('Parameter $dn is not a string nor an entry object!'); - } - - // make dn relative to parent - $base = Net_LDAP2_Util::ldap_explode_dn($dn, array('casefold' => 'none', 'reverse' => false, 'onlyvalues' => false)); - if (self::isError($base)) { - return $base; - } - $entry_rdn = array_shift($base); - if (is_array($entry_rdn)) { - // maybe the dn consist of a multivalued RDN, we must build the dn in this case - // because the $entry_rdn is an array! - $filter_dn = Net_LDAP2_Util::canonical_dn($entry_rdn); - } - $base = Net_LDAP2_Util::canonical_dn($base); - - $result = @ldap_list($this->_link, $base, $entry_rdn, array(), 1, 1); - if (@ldap_count_entries($this->_link, $result)) { - return true; - } - if (ldap_errno($this->_link) == 32) { - return false; - } - if (ldap_errno($this->_link) != 0) { - return PEAR::raiseError(ldap_error($this->_link), ldap_errno($this->_link)); - } - return false; - } - - - /** - * Get a specific entry based on the DN - * - * @param string $dn DN of the entry that should be fetched - * @param array $attr Array of Attributes to select. If ommitted, all attributes are fetched. - * - * @return Net_LDAP2_Entry|Net_LDAP2_Error Reference to a Net_LDAP2_Entry object or Net_LDAP2_Error object - * @todo Maybe check against the shema should be done to be sure the attribute type exists - */ - public function &getEntry($dn, $attr = array()) - { - if (!is_array($attr)) { - $attr = array($attr); - } - $result = $this->search($dn, '(objectClass=*)', - array('scope' => 'base', 'attributes' => $attr)); - if (self::isError($result)) { - return $result; - } elseif ($result->count() == 0) { - return PEAR::raiseError('Could not fetch entry '.$dn.': no entry found'); - } - $entry = $result->shiftEntry(); - if (false == $entry) { - return PEAR::raiseError('Could not fetch entry (error retrieving entry from search result)'); - } - return $entry; - } - - /** - * Rename or move an entry - * - * This method will instantly carry out an update() after the move, - * so the entry is moved instantly. - * You can pass an optional Net_LDAP2 object. In this case, a cross directory - * move will be performed which deletes the entry in the source (THIS) directory - * and adds it in the directory $target_ldap. - * A cross directory move will switch the Entrys internal LDAP reference so - * updates to the entry will go to the new directory. - * - * Note that if you want to do a cross directory move, you need to - * pass an Net_LDAP2_Entry object, otherwise the attributes will be empty. - * - * @param string|Net_LDAP2_Entry $entry Entry DN or Entry object - * @param string $newdn New location - * @param Net_LDAP2 $target_ldap (optional) Target directory for cross server move; should be passed via reference - * - * @return Net_LDAP2_Error|true - */ - public function move($entry, $newdn, $target_ldap = null) - { - if (is_string($entry)) { - $entry_o = $this->getEntry($entry); - } else { - $entry_o =& $entry; - } - if (!$entry_o instanceof Net_LDAP2_Entry) { - return PEAR::raiseError('Parameter $entry is expected to be a Net_LDAP2_Entry object! (If DN was passed, conversion failed)'); - } - if (null !== $target_ldap && !$target_ldap instanceof Net_LDAP2) { - return PEAR::raiseError('Parameter $target_ldap is expected to be a Net_LDAP2 object!'); - } - - if ($target_ldap && $target_ldap !== $this) { - // cross directory move - if (is_string($entry)) { - return PEAR::raiseError('Unable to perform cross directory move: operation requires a Net_LDAP2_Entry object'); - } - if ($target_ldap->dnExists($newdn)) { - return PEAR::raiseError('Unable to perform cross directory move: entry does exist in target directory'); - } - $entry_o->dn($newdn); - $res = $target_ldap->add($entry_o); - if (self::isError($res)) { - return PEAR::raiseError('Unable to perform cross directory move: '.$res->getMessage().' in target directory'); - } - $res = $this->delete($entry_o->currentDN()); - if (self::isError($res)) { - $res2 = $target_ldap->delete($entry_o); // undo add - if (self::isError($res2)) { - $add_error_string = 'Additionally, the deletion (undo add) of $entry in target directory failed.'; - } - return PEAR::raiseError('Unable to perform cross directory move: '.$res->getMessage().' in source directory. '.$add_error_string); - } - $entry_o->setLDAP($target_ldap); - return true; - } else { - // local move - $entry_o->dn($newdn); - $entry_o->setLDAP($this); - return $entry_o->update(); - } - } - - /** - * Copy an entry to a new location - * - * The entry will be immediately copied. - * Please note that only attributes you have - * selected will be copied. - * - * @param Net_LDAP2_Entry &$entry Entry object - * @param string $newdn New FQF-DN of the entry - * - * @return Net_LDAP2_Error|Net_LDAP2_Entry Error Message or reference to the copied entry - */ - public function ©(&$entry, $newdn) - { - if (!$entry instanceof Net_LDAP2_Entry) { - return PEAR::raiseError('Parameter $entry is expected to be a Net_LDAP2_Entry object!'); - } - - $newentry = Net_LDAP2_Entry::createFresh($newdn, $entry->getValues()); - $result = $this->add($newentry); - - if ($result instanceof Net_LDAP2_Error) { - return $result; - } else { - return $newentry; - } - } - - - /** - * Returns the string for an ldap errorcode. - * - * Made to be able to make better errorhandling - * Function based on DB::errorMessage() - * Tip: The best description of the errorcodes is found here: - * http://www.directory-info.com/LDAP2/LDAPErrorCodes.html - * - * @param int $errorcode Error code - * - * @return string The errorstring for the error. - */ - public function errorMessage($errorcode) - { - $errorMessages = array( - 0x00 => "LDAP_SUCCESS", - 0x01 => "LDAP_OPERATIONS_ERROR", - 0x02 => "LDAP_PROTOCOL_ERROR", - 0x03 => "LDAP_TIMELIMIT_EXCEEDED", - 0x04 => "LDAP_SIZELIMIT_EXCEEDED", - 0x05 => "LDAP_COMPARE_FALSE", - 0x06 => "LDAP_COMPARE_TRUE", - 0x07 => "LDAP_AUTH_METHOD_NOT_SUPPORTED", - 0x08 => "LDAP_STRONG_AUTH_REQUIRED", - 0x09 => "LDAP_PARTIAL_RESULTS", - 0x0a => "LDAP_REFERRAL", - 0x0b => "LDAP_ADMINLIMIT_EXCEEDED", - 0x0c => "LDAP_UNAVAILABLE_CRITICAL_EXTENSION", - 0x0d => "LDAP_CONFIDENTIALITY_REQUIRED", - 0x0e => "LDAP_SASL_BIND_INPROGRESS", - 0x10 => "LDAP_NO_SUCH_ATTRIBUTE", - 0x11 => "LDAP_UNDEFINED_TYPE", - 0x12 => "LDAP_INAPPROPRIATE_MATCHING", - 0x13 => "LDAP_CONSTRAINT_VIOLATION", - 0x14 => "LDAP_TYPE_OR_VALUE_EXISTS", - 0x15 => "LDAP_INVALID_SYNTAX", - 0x20 => "LDAP_NO_SUCH_OBJECT", - 0x21 => "LDAP_ALIAS_PROBLEM", - 0x22 => "LDAP_INVALID_DN_SYNTAX", - 0x23 => "LDAP_IS_LEAF", - 0x24 => "LDAP_ALIAS_DEREF_PROBLEM", - 0x30 => "LDAP_INAPPROPRIATE_AUTH", - 0x31 => "LDAP_INVALID_CREDENTIALS", - 0x32 => "LDAP_INSUFFICIENT_ACCESS", - 0x33 => "LDAP_BUSY", - 0x34 => "LDAP_UNAVAILABLE", - 0x35 => "LDAP_UNWILLING_TO_PERFORM", - 0x36 => "LDAP_LOOP_DETECT", - 0x3C => "LDAP_SORT_CONTROL_MISSING", - 0x3D => "LDAP_INDEX_RANGE_ERROR", - 0x40 => "LDAP_NAMING_VIOLATION", - 0x41 => "LDAP_OBJECT_CLASS_VIOLATION", - 0x42 => "LDAP_NOT_ALLOWED_ON_NONLEAF", - 0x43 => "LDAP_NOT_ALLOWED_ON_RDN", - 0x44 => "LDAP_ALREADY_EXISTS", - 0x45 => "LDAP_NO_OBJECT_CLASS_MODS", - 0x46 => "LDAP_RESULTS_TOO_LARGE", - 0x47 => "LDAP_AFFECTS_MULTIPLE_DSAS", - 0x50 => "LDAP_OTHER", - 0x51 => "LDAP_SERVER_DOWN", - 0x52 => "LDAP_LOCAL_ERROR", - 0x53 => "LDAP_ENCODING_ERROR", - 0x54 => "LDAP_DECODING_ERROR", - 0x55 => "LDAP_TIMEOUT", - 0x56 => "LDAP_AUTH_UNKNOWN", - 0x57 => "LDAP_FILTER_ERROR", - 0x58 => "LDAP_USER_CANCELLED", - 0x59 => "LDAP_PARAM_ERROR", - 0x5a => "LDAP_NO_MEMORY", - 0x5b => "LDAP_CONNECT_ERROR", - 0x5c => "LDAP_NOT_SUPPORTED", - 0x5d => "LDAP_CONTROL_NOT_FOUND", - 0x5e => "LDAP_NO_RESULTS_RETURNED", - 0x5f => "LDAP_MORE_RESULTS_TO_RETURN", - 0x60 => "LDAP_CLIENT_LOOP", - 0x61 => "LDAP_REFERRAL_LIMIT_EXCEEDED", - 1000 => "Unknown Net_LDAP2 Error" - ); - - return isset($errorMessages[$errorcode]) ? - $errorMessages[$errorcode] : - $errorMessages[NET_LDAP2_ERROR] . ' (' . $errorcode . ')'; - } - - /** - * Gets a rootDSE object - * - * This either fetches a fresh rootDSE object or returns it from - * the internal cache for performance reasons, if possible. - * - * @param array $attrs Array of attributes to search for - * - * @access public - * @return Net_LDAP2_Error|Net_LDAP2_RootDSE Net_LDAP2_Error or Net_LDAP2_RootDSE object - */ - public function &rootDse($attrs = null) - { - if ($attrs !== null && !is_array($attrs)) { - return PEAR::raiseError('Parameter $attr is expected to be an array!'); - } - - $attrs_signature = serialize($attrs); - - // see if we need to fetch a fresh object, or if we already - // requested this object with the same attributes - if (true || !array_key_exists($attrs_signature, $this->_rootDSE_cache)) { - $rootdse =& Net_LDAP2_RootDSE::fetch($this, $attrs); - if ($rootdse instanceof Net_LDAP2_Error) { - return $rootdse; - } - - // search was ok, store rootDSE in cache - $this->_rootDSE_cache[$attrs_signature] = $rootdse; - } - return $this->_rootDSE_cache[$attrs_signature]; - } - - /** - * Alias function of rootDse() for perl-ldap interface - * - * @access public - * @see rootDse() - * @return Net_LDAP2_Error|Net_LDAP2_RootDSE - */ - public function &root_dse() - { - $args = func_get_args(); - return call_user_func_array(array(&$this, 'rootDse'), $args); - } - - /** - * Get a schema object - * - * @param string $dn (optional) Subschema entry dn - * - * @access public - * @return Net_LDAP2_Schema|Net_LDAP2_Error Net_LDAP2_Schema or Net_LDAP2_Error object - */ - public function &schema($dn = null) - { - // Schema caching by Knut-Olav Hoven - // If a schema caching object is registered, we use that to fetch - // a schema object. - // See registerSchemaCache() for more info on this. - if ($this->_schema === null) { - if ($this->_schema_cache) { - $cached_schema = $this->_schema_cache->loadSchema(); - if ($cached_schema instanceof Net_LDAP2_Error) { - return $cached_schema; // route error to client - } else { - if ($cached_schema instanceof Net_LDAP2_Schema) { - $this->_schema = $cached_schema; - } - } - } - } - - // Fetch schema, if not tried before and no cached version available. - // If we are already fetching the schema, we will skip fetching. - if ($this->_schema === null) { - // store a temporary error message so subsequent calls to schema() can - // detect, that we are fetching the schema already. - // Otherwise we will get an infinite loop at Net_LDAP2_Schema::fetch() - $this->_schema = new Net_LDAP2_Error('Schema not initialized'); - $this->_schema = Net_LDAP2_Schema::fetch($this, $dn); - - // If schema caching is active, advise the cache to store the schema - if ($this->_schema_cache) { - $caching_result = $this->_schema_cache->storeSchema($this->_schema); - if ($caching_result instanceof Net_LDAP2_Error) { - return $caching_result; // route error to client - } - } - } - return $this->_schema; - } - - /** - * Enable/disable persistent schema caching - * - * Sometimes it might be useful to allow your scripts to cache - * the schema information on disk, so the schema is not fetched - * every time the script runs which could make your scripts run - * faster. - * - * This method allows you to register a custom object that - * implements your schema cache. Please see the SchemaCache interface - * (SchemaCache.interface.php) for informations on how to implement this. - * To unregister the cache, pass null as $cache parameter. - * - * For ease of use, Net_LDAP2 provides a simple file based cache - * which is used in the example below. You may use this, for example, - * to store the schema in a linux tmpfs which results in the schema - * beeing cached inside the RAM which allows nearly instant access. - * <code> - * // Create the simple file cache object that comes along with Net_LDAP2 - * $mySchemaCache_cfg = array( - * 'path' => '/tmp/Net_LDAP2_Schema.cache', - * 'max_age' => 86400 // max age is 24 hours (in seconds) - * ); - * $mySchemaCache = new Net_LDAP2_SimpleFileSchemaCache($mySchemaCache_cfg); - * $ldap = new Net_LDAP2::connect(...); - * $ldap->registerSchemaCache($mySchemaCache); // enable caching - * // now each call to $ldap->schema() will get the schema from disk! - * </code> - * - * @param Net_LDAP2_SchemaCache|null $cache Object implementing the Net_LDAP2_SchemaCache interface - * - * @return true|Net_LDAP2_Error - */ - public function registerSchemaCache($cache) { - if (is_null($cache) - || (is_object($cache) && in_array('Net_LDAP2_SchemaCache', class_implements($cache))) ) { - $this->_schema_cache = $cache; - return true; - } else { - return new Net_LDAP2_Error('Custom schema caching object is either no '. - 'valid object or does not implement the Net_LDAP2_SchemaCache interface!'); - } - } - - - /** - * Checks if phps ldap-extension is loaded - * - * If it is not loaded, it tries to load it manually using PHPs dl(). - * It knows both windows-dll and *nix-so. - * - * @static - * @return Net_LDAP2_Error|true - */ - public static function checkLDAPExtension() - { - if (!extension_loaded('ldap') && !@dl('ldap.' . PHP_SHLIB_SUFFIX)) { - return new Net_LDAP2_Error("It seems that you do not have the ldap-extension installed. Please install it before using the Net_LDAP2 package."); - } else { - return true; - } - } - - /** - * Encodes given attributes to UTF8 if needed by schema - * - * This function takes attributes in an array and then checks against the schema if they need - * UTF8 encoding. If that is so, they will be encoded. An encoded array will be returned and - * can be used for adding or modifying. - * - * $attributes is expected to be an array with keys describing - * the attribute names and the values as the value of this attribute: - * <code>$attributes = array('cn' => 'foo', 'attr2' => array('mv1', 'mv2'));</code> - * - * @param array $attributes Array of attributes - * - * @access public - * @return array|Net_LDAP2_Error Array of UTF8 encoded attributes or Error - */ - public function utf8Encode($attributes) - { - return $this->utf8($attributes, 'utf8_encode'); - } - - /** - * Decodes the given attribute values if needed by schema - * - * $attributes is expected to be an array with keys describing - * the attribute names and the values as the value of this attribute: - * <code>$attributes = array('cn' => 'foo', 'attr2' => array('mv1', 'mv2'));</code> - * - * @param array $attributes Array of attributes - * - * @access public - * @see utf8Encode() - * @return array|Net_LDAP2_Error Array with decoded attribute values or Error - */ - public function utf8Decode($attributes) - { - return $this->utf8($attributes, 'utf8_decode'); - } - - /** - * Encodes or decodes attribute values if needed - * - * @param array $attributes Array of attributes - * @param array $function Function to apply to attribute values - * - * @access protected - * @return array|Net_LDAP2_Error Array of attributes with function applied to values or Error - */ - protected function utf8($attributes, $function) - { - if (!is_array($attributes) || array_key_exists(0, $attributes)) { - return PEAR::raiseError('Parameter $attributes is expected to be an associative array'); - } - - if (!$this->_schema) { - $this->_schema = $this->schema(); - } - - if (!$this->_link || self::isError($this->_schema) || !function_exists($function)) { - return $attributes; - } - - if (is_array($attributes) && count($attributes) > 0) { - - foreach ($attributes as $k => $v) { - - if (!isset($this->_schemaAttrs[$k])) { - - $attr = $this->_schema->get('attribute', $k); - if (self::isError($attr)) { - continue; - } - - if (false !== strpos($attr['syntax'], '1.3.6.1.4.1.1466.115.121.1.15')) { - $encode = true; - } else { - $encode = false; - } - $this->_schemaAttrs[$k] = $encode; - - } else { - $encode = $this->_schemaAttrs[$k]; - } - - if ($encode) { - if (is_array($v)) { - foreach ($v as $ak => $av) { - $v[$ak] = call_user_func($function, $av); - } - } else { - $v = call_user_func($function, $v); - } - } - $attributes[$k] = $v; - } - } - return $attributes; - } - - /** - * Get the LDAP link resource. It will loop attempting to - * re-establish the connection if the connection attempt fails and - * auto_reconnect has been turned on (see the _config array documentation). - * - * @access public - * @return resource LDAP link - */ - public function &getLink() - { - if ($this->_config['auto_reconnect']) { - while (true) { - // - // Return the link handle if we are already connected. Otherwise - // try to reconnect. - // - if ($this->_link !== false) { - return $this->_link; - } else { - $this->performReconnect(); - } - } - } - return $this->_link; - } -} - -/** -* Net_LDAP2_Error implements a class for reporting portable LDAP error messages. -* -* @category Net -* @package Net_LDAP2 -* @author Tarjej Huse <tarjei@bergfald.no> -* @license http://www.gnu.org/copyleft/lesser.html LGPL -* @link http://pear.php.net/package/Net_LDAP22/ -*/ -class Net_LDAP2_Error extends PEAR_Error -{ - /** - * Net_LDAP2_Error constructor. - * - * @param string $message String with error message. - * @param integer $code Net_LDAP2 error code - * @param integer $mode what "error mode" to operate in - * @param mixed $level what error level to use for $mode & PEAR_ERROR_TRIGGER - * @param mixed $debuginfo additional debug info, such as the last query - * - * @access public - * @see PEAR_Error - */ - public function __construct($message = 'Net_LDAP2_Error', $code = NET_LDAP2_ERROR, $mode = PEAR_ERROR_RETURN, - $level = E_USER_NOTICE, $debuginfo = null) - { - if (is_int($code)) { - $this->PEAR_Error($message . ': ' . Net_LDAP2::errorMessage($code), $code, $mode, $level, $debuginfo); - } else { - $this->PEAR_Error("$message: $code", NET_LDAP2_ERROR, $mode, $level, $debuginfo); - } - } -} - -?> diff --git a/extlib/Net/LDAP2/Entry.php b/extlib/Net/LDAP2/Entry.php deleted file mode 100644 index 66de96678..000000000 --- a/extlib/Net/LDAP2/Entry.php +++ /dev/null @@ -1,1055 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4: */ -/** -* File containing the Net_LDAP2_Entry interface class. -* -* PHP version 5 -* -* @category Net -* @package Net_LDAP2 -* @author Jan Wagner <wagner@netsols.de> -* @author Tarjej Huse <tarjei@bergfald.no> -* @author Benedikt Hallinger <beni@php.net> -* @copyright 2009 Tarjej Huse, Jan Wagner, Benedikt Hallinger -* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 -* @version SVN: $Id: Entry.php 286787 2009-08-04 06:03:12Z beni $ -* @link http://pear.php.net/package/Net_LDAP2/ -*/ - -/** -* Includes -*/ -require_once 'PEAR.php'; -require_once 'Util.php'; - -/** -* Object representation of a directory entry -* -* This class represents a directory entry. You can add, delete, replace -* attributes and their values, rename the entry, delete the entry. -* -* @category Net -* @package Net_LDAP2 -* @author Jan Wagner <wagner@netsols.de> -* @author Tarjej Huse <tarjei@bergfald.no> -* @author Benedikt Hallinger <beni@php.net> -* @license http://www.gnu.org/copyleft/lesser.html LGPL -* @link http://pear.php.net/package/Net_LDAP2/ -*/ -class Net_LDAP2_Entry extends PEAR -{ - /** - * Entry ressource identifier - * - * @access protected - * @var ressource - */ - protected $_entry = null; - - /** - * LDAP ressource identifier - * - * @access protected - * @var ressource - */ - protected $_link = null; - - /** - * Net_LDAP2 object - * - * This object will be used for updating and schema checking - * - * @access protected - * @var object Net_LDAP2 - */ - protected $_ldap = null; - - /** - * Distinguished name of the entry - * - * @access protected - * @var string - */ - protected $_dn = null; - - /** - * Attributes - * - * @access protected - * @var array - */ - protected $_attributes = array(); - - /** - * Original attributes before any modification - * - * @access protected - * @var array - */ - protected $_original = array(); - - - /** - * Map of attribute names - * - * @access protected - * @var array - */ - protected $_map = array(); - - - /** - * Is this a new entry? - * - * @access protected - * @var boolean - */ - protected $_new = true; - - /** - * New distinguished name - * - * @access protected - * @var string - */ - protected $_newdn = null; - - /** - * Shall the entry be deleted? - * - * @access protected - * @var boolean - */ - protected $_delete = false; - - /** - * Map with changes to the entry - * - * @access protected - * @var array - */ - protected $_changes = array("add" => array(), - "delete" => array(), - "replace" => array() - ); - /** - * Internal Constructor - * - * Constructor of the entry. Sets up the distinguished name and the entries - * attributes. - * You should not call this method manually! Use {@link Net_LDAP2_Entry::createFresh()} - * or {@link Net_LDAP2_Entry::createConnected()} instead! - * - * @param Net_LDAP2|ressource|array &$ldap Net_LDAP2 object, ldap-link ressource or array of attributes - * @param string|ressource $entry Either a DN or a LDAP-Entry ressource - * - * @access protected - * @return none - */ - protected function __construct(&$ldap, $entry = null) - { - $this->PEAR('Net_LDAP2_Error'); - - // set up entry resource or DN - if (is_resource($entry)) { - $this->_entry = &$entry; - } else { - $this->_dn = $entry; - } - - // set up LDAP link - if ($ldap instanceof Net_LDAP2) { - $this->_ldap = &$ldap; - $this->_link = $ldap->getLink(); - } elseif (is_resource($ldap)) { - $this->_link = $ldap; - } elseif (is_array($ldap)) { - // Special case: here $ldap is an array of attributes, - // this means, we have no link. This is a "virtual" entry. - // We just set up the attributes so one can work with the object - // as expected, but an update() fails unless setLDAP() is called. - $this->setAttributes($ldap); - } - - // if this is an entry existing in the directory, - // then set up as old and fetch attrs - if (is_resource($this->_entry) && is_resource($this->_link)) { - $this->_new = false; - $this->_dn = @ldap_get_dn($this->_link, $this->_entry); - $this->setAttributes(); // fetch attributes from server - } - } - - /** - * Creates a fresh entry that may be added to the directory later on - * - * Use this method, if you want to initialize a fresh entry. - * - * The method should be called statically: $entry = Net_LDAP2_Entry::createFresh(); - * You should put a 'objectClass' attribute into the $attrs so the directory server - * knows which object you want to create. However, you may omit this in case you - * don't want to add this entry to a directory server. - * - * The attributes parameter is as following: - * <code> - * $attrs = array( 'attribute1' => array('value1', 'value2'), - * 'attribute2' => 'single value' - * ); - * </code> - * - * @param string $dn DN of the Entry - * @param array $attrs Attributes of the entry - * - * @static - * @return Net_LDAP2_Entry|Net_LDAP2_Error - */ - public static function createFresh($dn, $attrs = array()) - { - if (!is_array($attrs)) { - return PEAR::raiseError("Unable to create fresh entry: Parameter \$attrs needs to be an array!"); - } - - $entry = new Net_LDAP2_Entry($attrs, $dn); - return $entry; - } - - /** - * Creates a Net_LDAP2_Entry object out of an ldap entry resource - * - * Use this method, if you want to initialize an entry object that is - * already present in some directory and that you have read manually. - * - * Please note, that if you want to create an entry object that represents - * some already existing entry, you should use {@link createExisting()}. - * - * The method should be called statically: $entry = Net_LDAP2_Entry::createConnected(); - * - * @param Net_LDAP2 $ldap Net_LDA2 object - * @param resource $entry PHP LDAP entry resource - * - * @static - * @return Net_LDAP2_Entry|Net_LDAP2_Error - */ - public static function createConnected($ldap, $entry) - { - if (!$ldap instanceof Net_LDAP2) { - return PEAR::raiseError("Unable to create connected entry: Parameter \$ldap needs to be a Net_LDAP2 object!"); - } - if (!is_resource($entry)) { - return PEAR::raiseError("Unable to create connected entry: Parameter \$entry needs to be a ldap entry resource!"); - } - - $entry = new Net_LDAP2_Entry($ldap, $entry); - return $entry; - } - - /** - * Creates an Net_LDAP2_Entry object that is considered already existing - * - * Use this method, if you want to modify an already existing entry - * without fetching it first. - * In most cases however, it is better to fetch the entry via Net_LDAP2->getEntry()! - * - * Please note that you should take care if you construct entries manually with this - * because you may get weird synchronisation problems. - * The attributes and values as well as the entry itself are considered existent - * which may produce errors if you try to modify an entry which doesn't really exist - * or if you try to overwrite some attribute with an value already present. - * - * This method is equal to calling createFresh() and after that markAsNew(FALSE). - * - * The method should be called statically: $entry = Net_LDAP2_Entry::createExisting(); - * - * The attributes parameter is as following: - * <code> - * $attrs = array( 'attribute1' => array('value1', 'value2'), - * 'attribute2' => 'single value' - * ); - * </code> - * - * @param string $dn DN of the Entry - * @param array $attrs Attributes of the entry - * - * @static - * @return Net_LDAP2_Entry|Net_LDAP2_Error - */ - public static function createExisting($dn, $attrs = array()) - { - if (!is_array($attrs)) { - return PEAR::raiseError("Unable to create entry object: Parameter \$attrs needs to be an array!"); - } - - $entry = Net_LDAP2_Entry::createFresh($dn, $attrs); - if ($entry instanceof Net_LDAP2_Error) { - return $entry; - } else { - $entry->markAsNew(false); - return $entry; - } - } - - /** - * Get or set the distinguished name of the entry - * - * If called without an argument the current (or the new DN if set) DN gets returned. - * If you provide an DN, this entry is moved to the new location specified if a DN existed. - * If the DN was not set, the DN gets initialized. Call {@link update()} to actually create - * the new Entry in the directory. - * To fetch the current active DN after setting a new DN but before an update(), you can use - * {@link currentDN()} to retrieve the DN that is currently active. - * - * Please note that special characters (eg german umlauts) should be encoded using utf8_encode(). - * You may use {@link Net_LDAP2_Util::canonical_dn()} for properly encoding of the DN. - * - * @param string $dn New distinguished name - * - * @access public - * @return string|true Distinguished name (or true if a new DN was provided) - */ - public function dn($dn = null) - { - if (false == is_null($dn)) { - if (is_null($this->_dn)) { - $this->_dn = $dn; - } else { - $this->_newdn = $dn; - } - return true; - } - return (isset($this->_newdn) ? $this->_newdn : $this->currentDN()); - } - - /** - * Renames or moves the entry - * - * This is just a convinience alias to {@link dn()} - * to make your code more meaningful. - * - * @param string $newdn The new DN - * - * @return true - */ - public function move($newdn) - { - return $this->dn($newdn); - } - - /** - * Sets the internal attributes array - * - * This fetches the values for the attributes from the server. - * The attribute Syntax will be checked so binary attributes will be returned - * as binary values. - * - * Attributes may be passed directly via the $attributes parameter to setup this - * entry manually. This overrides attribute fetching from the server. - * - * @param array $attributes Attributes to set for this entry - * - * @access protected - * @return void - */ - protected function setAttributes($attributes = null) - { - /* - * fetch attributes from the server - */ - if (is_null($attributes) && is_resource($this->_entry) && is_resource($this->_link)) { - // fetch schema - if ($this->_ldap instanceof Net_LDAP2) { - $schema =& $this->_ldap->schema(); - } - // fetch attributes - $attributes = array(); - do { - if (empty($attr)) { - $ber = null; - $attr = @ldap_first_attribute($this->_link, $this->_entry, $ber); - } else { - $attr = @ldap_next_attribute($this->_link, $this->_entry, $ber); - } - if ($attr) { - $func = 'ldap_get_values'; // standard function to fetch value - - // Try to get binary values as binary data - if ($schema instanceof Net_LDAP2_Schema) { - if ($schema->isBinary($attr)) { - $func = 'ldap_get_values_len'; - } - } - // fetch attribute value (needs error checking?) - $attributes[$attr] = $func($this->_link, $this->_entry, $attr); - } - } while ($attr); - } - - /* - * set attribute data directly, if passed - */ - if (is_array($attributes) && count($attributes) > 0) { - if (isset($attributes["count"]) && is_numeric($attributes["count"])) { - unset($attributes["count"]); - } - foreach ($attributes as $k => $v) { - // attribute names should not be numeric - if (is_numeric($k)) { - continue; - } - // map generic attribute name to real one - $this->_map[strtolower($k)] = $k; - // attribute values should be in an array - if (false == is_array($v)) { - $v = array($v); - } - // remove the value count (comes from ldap server) - if (isset($v["count"])) { - unset($v["count"]); - } - $this->_attributes[$k] = $v; - } - } - - // save a copy for later use - $this->_original = $this->_attributes; - } - - /** - * Get the values of all attributes in a hash - * - * The returned hash has the form - * <code>array('attributename' => 'single value', - * 'attributename' => array('value1', value2', value3'))</code> - * - * @access public - * @return array Hash of all attributes with their values - */ - public function getValues() - { - $attrs = array(); - foreach ($this->_attributes as $attr => $value) { - $attrs[$attr] = $this->getValue($attr); - } - return $attrs; - } - - /** - * Get the value of a specific attribute - * - * The first parameter is the name of the attribute - * The second parameter influences the way the value is returned: - * 'single': only the first value is returned as string - * 'all': all values including the value count are returned in an - * array - * 'default': in all other cases an attribute value with a single value is - * returned as string, if it has multiple values it is returned - * as an array (without value count) - * - * @param string $attr Attribute name - * @param string $option Option - * - * @access public - * @return string|array|PEAR_Error string, array or PEAR_Error - */ - public function getValue($attr, $option = null) - { - $attr = $this->getAttrName($attr); - - if (false == array_key_exists($attr, $this->_attributes)) { - return PEAR::raiseError("Unknown attribute ($attr) requested"); - } - - $value = $this->_attributes[$attr]; - - if ($option == "single" || (count($value) == 1 && $option != 'all')) { - $value = array_shift($value); - } - - return $value; - } - - /** - * Alias function of getValue for perl-ldap interface - * - * @see getValue() - * @return string|array|PEAR_Error - */ - public function get_value() - { - $args = func_get_args(); - return call_user_func_array(array( &$this, 'getValue' ), $args); - } - - /** - * Returns an array of attributes names - * - * @access public - * @return array Array of attribute names - */ - public function attributes() - { - return array_keys($this->_attributes); - } - - /** - * Returns whether an attribute exists or not - * - * @param string $attr Attribute name - * - * @access public - * @return boolean - */ - public function exists($attr) - { - $attr = $this->getAttrName($attr); - return array_key_exists($attr, $this->_attributes); - } - - /** - * Adds a new attribute or a new value to an existing attribute - * - * The paramter has to be an array of the form: - * array('attributename' => 'single value', - * 'attributename' => array('value1', 'value2)) - * When the attribute already exists the values will be added, else the - * attribute will be created. These changes are local to the entry and do - * not affect the entry on the server until update() is called. - * - * Note, that you can add values of attributes that you haven't selected, but if - * you do so, {@link getValue()} and {@link getValues()} will only return the - * values you added, _NOT_ all values present on the server. To avoid this, just refetch - * the entry after calling {@link update()} or select the attribute. - * - * @param array $attr Attributes to add - * - * @access public - * @return true|Net_LDAP2_Error - */ - public function add($attr = array()) - { - if (false == is_array($attr)) { - return PEAR::raiseError("Parameter must be an array"); - } - foreach ($attr as $k => $v) { - $k = $this->getAttrName($k); - if (false == is_array($v)) { - // Do not add empty values - if ($v == null) { - continue; - } else { - $v = array($v); - } - } - // add new values to existing attribute or add new attribute - if ($this->exists($k)) { - $this->_attributes[$k] = array_unique(array_merge($this->_attributes[$k], $v)); - } else { - $this->_map[strtolower($k)] = $k; - $this->_attributes[$k] = $v; - } - // save changes for update() - if (empty($this->_changes["add"][$k])) { - $this->_changes["add"][$k] = array(); - } - $this->_changes["add"][$k] = array_unique(array_merge($this->_changes["add"][$k], $v)); - } - $return = true; - return $return; - } - - /** - * Deletes an whole attribute or a value or the whole entry - * - * The parameter can be one of the following: - * - * "attributename" - The attribute as a whole will be deleted - * array("attributename1", "attributename2) - All given attributes will be - * deleted - * array("attributename" => "value") - The value will be deleted - * array("attributename" => array("value1", "value2") - The given values - * will be deleted - * If $attr is null or omitted , then the whole Entry will be deleted! - * - * These changes are local to the entry and do - * not affect the entry on the server until {@link update()} is called. - * - * Please note that you must select the attribute (at $ldap->search() for example) - * to be able to delete values of it, Otherwise {@link update()} will silently fail - * and remove nothing. - * - * @param string|array $attr Attributes to delete (NULL or missing to delete whole entry) - * - * @access public - * @return true - */ - public function delete($attr = null) - { - if (is_null($attr)) { - $this->_delete = true; - return true; - } - if (is_string($attr)) { - $attr = array($attr); - } - // Make the assumption that attribute names cannot be numeric, - // therefore this has to be a simple list of attribute names to delete - if (is_numeric(key($attr))) { - foreach ($attr as $name) { - if (is_array($name)) { - // someone mixed modes (list mode but specific values given!) - $del_attr_name = array_search($name, $attr); - $this->delete(array($del_attr_name => $name)); - } else { - // mark for update() if this attr was not marked before - $name = $this->getAttrName($name); - if ($this->exists($name)) { - $this->_changes["delete"][$name] = null; - unset($this->_attributes[$name]); - } - } - } - } else { - // Here we have a hash with "attributename" => "value to delete" - foreach ($attr as $name => $values) { - if (is_int($name)) { - // someone mixed modes and gave us just an attribute name - $this->delete($values); - } else { - // mark for update() if this attr was not marked before; - // this time it must consider the selected values also - $name = $this->getAttrName($name); - if ($this->exists($name)) { - if (false == is_array($values)) { - $values = array($values); - } - // save values to be deleted - if (empty($this->_changes["delete"][$name])) { - $this->_changes["delete"][$name] = array(); - } - $this->_changes["delete"][$name] = - array_unique(array_merge($this->_changes["delete"][$name], $values)); - foreach ($values as $value) { - // find the key for the value that should be deleted - $key = array_search($value, $this->_attributes[$name]); - if (false !== $key) { - // delete the value - unset($this->_attributes[$name][$key]); - } - } - } - } - } - } - $return = true; - return $return; - } - - /** - * Replaces attributes or its values - * - * The parameter has to an array of the following form: - * array("attributename" => "single value", - * "attribute2name" => array("value1", "value2"), - * "deleteme1" => null, - * "deleteme2" => "") - * If the attribute does not yet exist it will be added instead (see also $force). - * If the attribue value is null, the attribute will de deleted. - * - * These changes are local to the entry and do - * not affect the entry on the server until {@link update()} is called. - * - * In some cases you are not allowed to read the attributes value (for - * example the ActiveDirectory attribute unicodePwd) but are allowed to - * replace the value. In this case replace() would assume that the attribute - * is not in the directory yet and tries to add it which will result in an - * LDAP_TYPE_OR_VALUE_EXISTS error. - * To force replace mode instead of add, you can set $force to true. - * - * @param array $attr Attributes to replace - * @param bool $force Force replacing mode in case we can't read the attr value but are allowed to replace it - * - * @access public - * @return true|Net_LDAP2_Error - */ - public function replace($attr = array(), $force = false) - { - if (false == is_array($attr)) { - return PEAR::raiseError("Parameter must be an array"); - } - foreach ($attr as $k => $v) { - $k = $this->getAttrName($k); - if (false == is_array($v)) { - // delete attributes with empty values; treat ints as string - if (is_int($v)) { - $v = "$v"; - } - if ($v == null) { - $this->delete($k); - continue; - } else { - $v = array($v); - } - } - // existing attributes will get replaced - if ($this->exists($k) || $force) { - $this->_changes["replace"][$k] = $v; - $this->_attributes[$k] = $v; - } else { - // new ones just get added - $this->add(array($k => $v)); - } - } - $return = true; - return $return; - } - - /** - * Update the entry on the directory server - * - * This will evaluate all changes made so far and send them - * to the directory server. - * Please note, that if you make changes to objectclasses wich - * have mandatory attributes set, update() will currently fail. - * Remove the entry from the server and readd it as new in such cases. - * This also will deal with problems with setting structural object classes. - * - * @param Net_LDAP2 $ldap If passed, a call to setLDAP() is issued prior update, thus switching the LDAP-server. This is for perl-ldap interface compliance - * - * @access public - * @return true|Net_LDAP2_Error - * @todo Entry rename with a DN containing special characters needs testing! - */ - public function update($ldap = null) - { - if ($ldap) { - $msg = $this->setLDAP($ldap); - if (Net_LDAP2::isError($msg)) { - return PEAR::raiseError('You passed an invalid $ldap variable to update()'); - } - } - - // ensure we have a valid LDAP object - $ldap =& $this->getLDAP(); - if (!$ldap instanceof Net_LDAP2) { - return PEAR::raiseError("The entries LDAP object is not valid"); - } - - // Get and check link - $link = $ldap->getLink(); - if (!is_resource($link)) { - return PEAR::raiseError("Could not update entry: internal LDAP link is invalid"); - } - - /* - * Delete the entry - */ - if (true === $this->_delete) { - return $ldap->delete($this); - } - - /* - * New entry - */ - if (true === $this->_new) { - $msg = $ldap->add($this); - if (Net_LDAP2::isError($msg)) { - return $msg; - } - $this->_new = false; - $this->_changes['add'] = array(); - $this->_changes['delete'] = array(); - $this->_changes['replace'] = array(); - $this->_original = $this->_attributes; - - $return = true; - return $return; - } - - /* - * Rename/move entry - */ - if (false == is_null($this->_newdn)) { - if ($ldap->getLDAPVersion() !== 3) { - return PEAR::raiseError("Renaming/Moving an entry is only supported in LDAPv3"); - } - // make dn relative to parent (needed for ldap rename) - $parent = Net_LDAP2_Util::ldap_explode_dn($this->_newdn, array('casefolding' => 'none', 'reverse' => false, 'onlyvalues' => false)); - if (Net_LDAP2::isError($parent)) { - return $parent; - } - $child = array_shift($parent); - // maybe the dn consist of a multivalued RDN, we must build the dn in this case - // because the $child-RDN is an array! - if (is_array($child)) { - $child = Net_LDAP2_Util::canonical_dn($child); - } - $parent = Net_LDAP2_Util::canonical_dn($parent); - - // rename/move - if (false == @ldap_rename($link, $this->_dn, $child, $parent, true)) { - return PEAR::raiseError("Entry not renamed: " . - @ldap_error($link), @ldap_errno($link)); - } - // reflect changes to local copy - $this->_dn = $this->_newdn; - $this->_newdn = null; - } - - /* - * Carry out modifications to the entry - */ - // ADD - foreach ($this->_changes["add"] as $attr => $value) { - // if attribute exists, add new values - if ($this->exists($attr)) { - if (false === @ldap_mod_add($link, $this->dn(), array($attr => $value))) { - return PEAR::raiseError("Could not add new values to attribute $attr: " . - @ldap_error($link), @ldap_errno($link)); - } - } else { - // new attribute - if (false === @ldap_modify($link, $this->dn(), array($attr => $value))) { - return PEAR::raiseError("Could not add new attribute $attr: " . - @ldap_error($link), @ldap_errno($link)); - } - } - // all went well here, I guess - unset($this->_changes["add"][$attr]); - } - - // DELETE - foreach ($this->_changes["delete"] as $attr => $value) { - // In LDAPv3 you need to specify the old values for deleting - if (is_null($value) && $ldap->getLDAPVersion() === 3) { - $value = $this->_original[$attr]; - } - if (false === @ldap_mod_del($link, $this->dn(), array($attr => $value))) { - return PEAR::raiseError("Could not delete attribute $attr: " . - @ldap_error($link), @ldap_errno($link)); - } - unset($this->_changes["delete"][$attr]); - } - - // REPLACE - foreach ($this->_changes["replace"] as $attr => $value) { - if (false === @ldap_modify($link, $this->dn(), array($attr => $value))) { - return PEAR::raiseError("Could not replace attribute $attr values: " . - @ldap_error($link), @ldap_errno($link)); - } - unset($this->_changes["replace"][$attr]); - } - - // all went well, so _original (server) becomes _attributes (local copy) - $this->_original = $this->_attributes; - - $return = true; - return $return; - } - - /** - * Returns the right attribute name - * - * @param string $attr Name of attribute - * - * @access protected - * @return string The right name of the attribute - */ - protected function getAttrName($attr) - { - $name = strtolower($attr); - if (array_key_exists($name, $this->_map)) { - $attr = $this->_map[$name]; - } - return $attr; - } - - /** - * Returns a reference to the LDAP-Object of this entry - * - * @access public - * @return Net_LDAP2|Net_LDAP2_Error Reference to the Net_LDAP2 Object (the connection) or Net_LDAP2_Error - */ - public function &getLDAP() - { - if (!$this->_ldap instanceof Net_LDAP2) { - $err = new PEAR_Error('LDAP is not a valid Net_LDAP2 object'); - return $err; - } else { - return $this->_ldap; - } - } - - /** - * Sets a reference to the LDAP-Object of this entry - * - * After setting a Net_LDAP2 object, calling update() will use that object for - * updating directory contents. Use this to dynamicly switch directorys. - * - * @param Net_LDAP2 &$ldap Net_LDAP2 object that this entry should be connected to - * - * @access public - * @return true|Net_LDAP2_Error - */ - public function setLDAP(&$ldap) - { - if (!$ldap instanceof Net_LDAP2) { - return PEAR::raiseError("LDAP is not a valid Net_LDAP2 object"); - } else { - $this->_ldap =& $ldap; - return true; - } - } - - /** - * Marks the entry as new/existing. - * - * If an Entry is marked as new, it will be added to the directory - * when calling {@link update()}. - * If the entry is marked as old ($mark = false), then the entry is - * assumed to be present in the directory server wich results in - * modification when calling {@link update()}. - * - * @param boolean $mark Value to set, defaults to "true" - * - * @return void - */ - public function markAsNew($mark = true) - { - $this->_new = ($mark)? true : false; - } - - /** - * Applies a regular expression onto a single- or multivalued attribute (like preg_match()) - * - * This method behaves like PHPs preg_match() but with some exceptions. - * If you want to retrieve match information, then you MUST pass the - * $matches parameter via reference! otherwise you will get no matches. - * Since it is possible to have multi valued attributes the $matches - * array will have a additionally numerical dimension (one for each value): - * <code> - * $matches = array( - * 0 => array (usual preg_match() returnarray), - * 1 => array (usual preg_match() returnarray) - * ) - * </code> - * Please note, that $matches will be initialized to an empty array inside. - * - * Usage example: - * <code> - * $result = $entry->preg_match('/089(\d+)/', 'telephoneNumber', &$matches); - * if ( $result === true ){ - * echo "First match: ".$matches[0][1]; // Match of value 1, content of first bracket - * } else { - * if ( Net_LDAP2::isError($result) ) { - * echo "Error: ".$result->getMessage(); - * } else { - * echo "No match found."; - * } - * } - * </code> - * - * Please note that it is important to test for an Net_LDAP2_Error, because objects are - * evaluating to true by default, thus if an error occured, and you only check using "==" then - * you get misleading results. Use the "identical" (===) operator to test for matches to - * avoid this as shown above. - * - * @param string $regex The regular expression - * @param string $attr_name The attribute to search in - * @param array $matches (optional, PASS BY REFERENCE!) Array to store matches in - * - * @return boolean|Net_LDAP2_Error TRUE, if we had a match in one of the values, otherwise false. Net_LDAP2_Error in case something went wrong - */ - public function pregMatch($regex, $attr_name, $matches = array()) - { - $matches = array(); - - // fetch attribute values - $attr = $this->getValue($attr_name, 'all'); - if (Net_LDAP2::isError($attr)) { - return $attr; - } else { - unset($attr['count']); - } - - // perform preg_match() on all values - $match = false; - foreach ($attr as $thisvalue) { - $matches_int = array(); - if (preg_match($regex, $thisvalue, $matches_int)) { - $match = true; - array_push($matches, $matches_int); // store matches in reference - } - } - return $match; - } - - /** - * Alias of {@link pregMatch()} for compatibility to Net_LDAP 1 - * - * @see pregMatch() - * @return boolean|Net_LDAP2_Error - */ - public function preg_match() - { - $args = func_get_args(); - return call_user_func_array(array( &$this, 'pregMatch' ), $args); - } - - /** - * Tells if the entry is consiedered as new (not present in the server) - * - * Please note, that this doesn't tell you if the entry is present on the server. - * Use {@link Net_LDAP2::dnExists()} to see if an entry is already there. - * - * @return boolean - */ - public function isNew() - { - return $this->_new; - } - - - /** - * Is this entry going to be deleted once update() is called? - * - * @return boolean - */ - public function willBeDeleted() - { - return $this->_delete; - } - - /** - * Is this entry going to be moved once update() is called? - * - * @return boolean - */ - public function willBeMoved() - { - return ($this->dn() !== $this->currentDN()); - } - - /** - * Returns always the original DN - * - * If an entry will be moved but {@link update()} was not called, - * {@link dn()} will return the new DN. This method however, returns - * always the current active DN. - * - * @return string - */ - public function currentDN() - { - return $this->_dn; - } - - /** - * Returns the attribute changes to be carried out once update() is called - * - * @return array - */ - public function getChanges() - { - return $this->_changes; - } -} -?> diff --git a/extlib/Net/LDAP2/Filter.php b/extlib/Net/LDAP2/Filter.php deleted file mode 100644 index 0723edab2..000000000 --- a/extlib/Net/LDAP2/Filter.php +++ /dev/null @@ -1,514 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4: */ -/** -* File containing the Net_LDAP2_Filter interface class. -* -* PHP version 5 -* -* @category Net -* @package Net_LDAP2 -* @author Benedikt Hallinger <beni@php.net> -* @copyright 2009 Benedikt Hallinger -* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 -* @version SVN: $Id: Filter.php 289978 2009-10-27 09:56:41Z beni $ -* @link http://pear.php.net/package/Net_LDAP2/ -*/ - -/** -* Includes -*/ -require_once 'PEAR.php'; -require_once 'Util.php'; - -/** -* Object representation of a part of a LDAP filter. -* -* This Class is not completely compatible to the PERL interface! -* -* The purpose of this class is, that users can easily build LDAP filters -* without having to worry about right escaping etc. -* A Filter is built using several independent filter objects -* which are combined afterwards. This object works in two -* modes, depending how the object is created. -* If the object is created using the {@link create()} method, then this is a leaf-object. -* If the object is created using the {@link combine()} method, then this is a container object. -* -* LDAP filters are defined in RFC-2254 and can be found under -* {@link http://www.ietf.org/rfc/rfc2254.txt} -* -* Here a quick copy&paste example: -* <code> -* $filter0 = Net_LDAP2_Filter::create('stars', 'equals', '***'); -* $filter_not0 = Net_LDAP2_Filter::combine('not', $filter0); -* -* $filter1 = Net_LDAP2_Filter::create('gn', 'begins', 'bar'); -* $filter2 = Net_LDAP2_Filter::create('gn', 'ends', 'baz'); -* $filter_comp = Net_LDAP2_Filter::combine('or',array($filter_not0, $filter1, $filter2)); -* -* echo $filter_comp->asString(); -* // This will output: (|(!(stars=\0x5c0x2a\0x5c0x2a\0x5c0x2a))(gn=bar*)(gn=*baz)) -* // The stars in $filter0 are treaten as real stars unless you disable escaping. -* </code> -* -* @category Net -* @package Net_LDAP2 -* @author Benedikt Hallinger <beni@php.net> -* @license http://www.gnu.org/copyleft/lesser.html LGPL -* @link http://pear.php.net/package/Net_LDAP2/ -*/ -class Net_LDAP2_Filter extends PEAR -{ - /** - * Storage for combination of filters - * - * This variable holds a array of filter objects - * that should be combined by this filter object. - * - * @access protected - * @var array - */ - protected $_subfilters = array(); - - /** - * Match of this filter - * - * If this is a leaf filter, then a matching rule is stored, - * if it is a container, then it is a logical operator - * - * @access protected - * @var string - */ - protected $_match; - - /** - * Single filter - * - * If we operate in leaf filter mode, - * then the constructing method stores - * the filter representation here - * - * @acces private - * @var string - */ - protected $_filter; - - /** - * Create a new Net_LDAP2_Filter object and parse $filter. - * - * This is for PERL Net::LDAP interface. - * Construction of Net_LDAP2_Filter objects should happen through either - * {@link create()} or {@link combine()} which give you more control. - * However, you may use the perl iterface if you already have generated filters. - * - * @param string $filter LDAP filter string - * - * @see parse() - */ - public function __construct($filter = false) - { - // The optional parameter must remain here, because otherwise create() crashes - if (false !== $filter) { - $filter_o = self::parse($filter); - if (PEAR::isError($filter_o)) { - $this->_filter = $filter_o; // assign error, so asString() can report it - } else { - $this->_filter = $filter_o->asString(); - } - } - } - - /** - * Constructor of a new part of a LDAP filter. - * - * The following matching rules exists: - * - equals: One of the attributes values is exactly $value - * Please note that case sensitiviness is depends on the - * attributes syntax configured in the server. - * - begins: One of the attributes values must begin with $value - * - ends: One of the attributes values must end with $value - * - contains: One of the attributes values must contain $value - * - present | any: The attribute can contain any value but must be existent - * - greater: The attributes value is greater than $value - * - less: The attributes value is less than $value - * - greaterOrEqual: The attributes value is greater or equal than $value - * - lessOrEqual: The attributes value is less or equal than $value - * - approx: One of the attributes values is similar to $value - * - * If $escape is set to true (default) then $value will be escaped - * properly. If it is set to false then $value will be treaten as raw filter value string. - * You should escape yourself using {@link Net_LDAP2_Util::escape_filter_value()}! - * - * Examples: - * <code> - * // This will find entries that contain an attribute "sn" that ends with "foobar": - * $filter = new Net_LDAP2_Filter('sn', 'ends', 'foobar'); - * - * // This will find entries that contain an attribute "sn" that has any value set: - * $filter = new Net_LDAP2_Filter('sn', 'any'); - * </code> - * - * @param string $attr_name Name of the attribute the filter should apply to - * @param string $match Matching rule (equals, begins, ends, contains, greater, less, greaterOrEqual, lessOrEqual, approx, any) - * @param string $value (optional) if given, then this is used as a filter - * @param boolean $escape Should $value be escaped? (default: yes, see {@link Net_LDAP2_Util::escape_filter_value()} for detailed information) - * - * @return Net_LDAP2_Filter|Net_LDAP2_Error - */ - public static function &create($attr_name, $match, $value = '', $escape = true) - { - $leaf_filter = new Net_LDAP2_Filter(); - if ($escape) { - $array = Net_LDAP2_Util::escape_filter_value(array($value)); - $value = $array[0]; - } - switch (strtolower($match)) { - case 'equals': - $leaf_filter->_filter = '(' . $attr_name . '=' . $value . ')'; - break; - case 'begins': - $leaf_filter->_filter = '(' . $attr_name . '=' . $value . '*)'; - break; - case 'ends': - $leaf_filter->_filter = '(' . $attr_name . '=*' . $value . ')'; - break; - case 'contains': - $leaf_filter->_filter = '(' . $attr_name . '=*' . $value . '*)'; - break; - case 'greater': - $leaf_filter->_filter = '(' . $attr_name . '>' . $value . ')'; - break; - case 'less': - $leaf_filter->_filter = '(' . $attr_name . '<' . $value . ')'; - break; - case 'greaterorequal': - case '>=': - $leaf_filter->_filter = '(' . $attr_name . '>=' . $value . ')'; - break; - case 'lessorequal': - case '<=': - $leaf_filter->_filter = '(' . $attr_name . '<=' . $value . ')'; - break; - case 'approx': - case '~=': - $leaf_filter->_filter = '(' . $attr_name . '~=' . $value . ')'; - break; - case 'any': - case 'present': // alias that may improve user code readability - $leaf_filter->_filter = '(' . $attr_name . '=*)'; - break; - default: - return PEAR::raiseError('Net_LDAP2_Filter create error: matching rule "' . $match . '" not known!'); - } - return $leaf_filter; - } - - /** - * Combine two or more filter objects using a logical operator - * - * This static method combines two or more filter objects and returns one single - * filter object that contains all the others. - * Call this method statically: $filter = Net_LDAP2_Filter('or', array($filter1, $filter2)) - * If the array contains filter strings instead of filter objects, we will try to parse them. - * - * @param string $log_op The locicall operator. May be "and", "or", "not" or the subsequent logical equivalents "&", "|", "!" - * @param array|Net_LDAP2_Filter $filters array with Net_LDAP2_Filter objects - * - * @return Net_LDAP2_Filter|Net_LDAP2_Error - * @static - */ - public static function &combine($log_op, $filters) - { - if (PEAR::isError($filters)) { - return $filters; - } - - // substitude named operators to logical operators - if ($log_op == 'and') $log_op = '&'; - if ($log_op == 'or') $log_op = '|'; - if ($log_op == 'not') $log_op = '!'; - - // tests for sane operation - if ($log_op == '!') { - // Not-combination, here we only accept one filter object or filter string - if ($filters instanceof Net_LDAP2_Filter) { - $filters = array($filters); // force array - } elseif (is_string($filters)) { - $filter_o = self::parse($filters); - if (PEAR::isError($filter_o)) { - $err = PEAR::raiseError('Net_LDAP2_Filter combine error: '.$filter_o->getMessage()); - return $err; - } else { - $filters = array($filter_o); - } - } elseif (is_array($filters)) { - $err = PEAR::raiseError('Net_LDAP2_Filter combine error: operator is "not" but $filter is an array!'); - return $err; - } else { - $err = PEAR::raiseError('Net_LDAP2_Filter combine error: operator is "not" but $filter is not a valid Net_LDAP2_Filter nor a filter string!'); - return $err; - } - } elseif ($log_op == '&' || $log_op == '|') { - if (!is_array($filters) || count($filters) < 2) { - $err = PEAR::raiseError('Net_LDAP2_Filter combine error: parameter $filters is not an array or contains less than two Net_LDAP2_Filter objects!'); - return $err; - } - } else { - $err = PEAR::raiseError('Net_LDAP2_Filter combine error: logical operator is not known!'); - return $err; - } - - $combined_filter = new Net_LDAP2_Filter(); - foreach ($filters as $key => $testfilter) { // check for errors - if (PEAR::isError($testfilter)) { - return $testfilter; - } elseif (is_string($testfilter)) { - // string found, try to parse into an filter object - $filter_o = self::parse($testfilter); - if (PEAR::isError($filter_o)) { - return $filter_o; - } else { - $filters[$key] = $filter_o; - } - } elseif (!$testfilter instanceof Net_LDAP2_Filter) { - $err = PEAR::raiseError('Net_LDAP2_Filter combine error: invalid object passed in array $filters!'); - return $err; - } - } - - $combined_filter->_subfilters = $filters; - $combined_filter->_match = $log_op; - return $combined_filter; - } - - /** - * Parse FILTER into a Net_LDAP2_Filter object - * - * This parses an filter string into Net_LDAP2_Filter objects. - * - * @param string $FILTER The filter string - * - * @access static - * @return Net_LDAP2_Filter|Net_LDAP2_Error - * @todo Leaf-mode: Do we need to escape at all? what about *-chars?check for the need of encoding values, tackle problems (see code comments) - */ - public static function parse($FILTER) - { - if (preg_match('/^\((.+?)\)$/', $FILTER, $matches)) { - if (in_array(substr($matches[1], 0, 1), array('!', '|', '&'))) { - // Subfilter processing: pass subfilters to parse() and combine - // the objects using the logical operator detected - // we have now something like "&(...)(...)(...)" but at least one part ("!(...)"). - // Each subfilter could be an arbitary complex subfilter. - - // extract logical operator and filter arguments - $log_op = substr($matches[1], 0, 1); - $remaining_component = substr($matches[1], 1); - - // split $remaining_component into individual subfilters - // we cannot use split() for this, because we do not know the - // complexiness of the subfilter. Thus, we look trough the filter - // string and just recognize ending filters at the first level. - // We record the index number of the char and use that information - // later to split the string. - $sub_index_pos = array(); - $prev_char = ''; // previous character looked at - $level = 0; // denotes the current bracket level we are, - // >1 is too deep, 1 is ok, 0 is outside any - // subcomponent - for ($curpos = 0; $curpos < strlen($remaining_component); $curpos++) { - $cur_char = substr($remaining_component, $curpos, 1); - - // rise/lower bracket level - if ($cur_char == '(' && $prev_char != '\\') { - $level++; - } elseif ($cur_char == ')' && $prev_char != '\\') { - $level--; - } - - if ($cur_char == '(' && $prev_char == ')' && $level == 1) { - array_push($sub_index_pos, $curpos); // mark the position for splitting - } - $prev_char = $cur_char; - } - - // now perform the splits. To get also the last part, we - // need to add the "END" index to the split array - array_push($sub_index_pos, strlen($remaining_component)); - $subfilters = array(); - $oldpos = 0; - foreach ($sub_index_pos as $s_pos) { - $str_part = substr($remaining_component, $oldpos, $s_pos - $oldpos); - array_push($subfilters, $str_part); - $oldpos = $s_pos; - } - - // some error checking... - if (count($subfilters) == 1) { - // only one subfilter found - } elseif (count($subfilters) > 1) { - // several subfilters found - if ($log_op == "!") { - return PEAR::raiseError("Filter parsing error: invalid filter syntax - NOT operator detected but several arguments given!"); - } - } else { - // this should not happen unless the user specified a wrong filter - return PEAR::raiseError("Filter parsing error: invalid filter syntax - got operator '$log_op' but no argument!"); - } - - // Now parse the subfilters into objects and combine them using the operator - $subfilters_o = array(); - foreach ($subfilters as $s_s) { - $o = self::parse($s_s); - if (PEAR::isError($o)) { - return $o; - } else { - array_push($subfilters_o, self::parse($s_s)); - } - } - - $filter_o = self::combine($log_op, $subfilters_o); - return $filter_o; - - } else { - // This is one leaf filter component, do some syntax checks, then escape and build filter_o - // $matches[1] should be now something like "foo=bar" - - // detect multiple leaf components - // [TODO] Maybe this will make problems with filters containing brackets inside the value - if (stristr($matches[1], ')(')) { - return PEAR::raiseError("Filter parsing error: invalid filter syntax - multiple leaf components detected!"); - } else { - $filter_parts = preg_split('/(?<!\\\\)(=|=~|>|<|>=|<=)/', $matches[1], 2, PREG_SPLIT_DELIM_CAPTURE); - if (count($filter_parts) != 3) { - return PEAR::raiseError("Filter parsing error: invalid filter syntax - unknown matching rule used"); - } else { - $filter_o = new Net_LDAP2_Filter(); - // [TODO]: Do we need to escape at all? what about *-chars user provide and that should remain special? - // I think, those prevent escaping! We need to check against PERL Net::LDAP! - // $value_arr = Net_LDAP2_Util::escape_filter_value(array($filter_parts[2])); - // $value = $value_arr[0]; - $value = $filter_parts[2]; - $filter_o->_filter = '('.$filter_parts[0].$filter_parts[1].$value.')'; - return $filter_o; - } - } - } - } else { - // ERROR: Filter components must be enclosed in round brackets - return PEAR::raiseError("Filter parsing error: invalid filter syntax - filter components must be enclosed in round brackets"); - } - } - - /** - * Get the string representation of this filter - * - * This method runs through all filter objects and creates - * the string representation of the filter. If this - * filter object is a leaf filter, then it will return - * the string representation of this filter. - * - * @return string|Net_LDAP2_Error - */ - public function asString() - { - if ($this->isLeaf()) { - $return = $this->_filter; - } else { - $return = ''; - foreach ($this->_subfilters as $filter) { - $return = $return.$filter->asString(); - } - $return = '(' . $this->_match . $return . ')'; - } - return $return; - } - - /** - * Alias for perl interface as_string() - * - * @see asString() - * @return string|Net_LDAP2_Error - */ - public function as_string() - { - return $this->asString(); - } - - /** - * Print the text representation of the filter to FH, or the currently selected output handle if FH is not given - * - * This method is only for compatibility to the perl interface. - * However, the original method was called "print" but due to PHP language restrictions, - * we can't have a print() method. - * - * @param resource $FH (optional) A filehandle resource - * - * @return true|Net_LDAP2_Error - */ - public function printMe($FH = false) - { - if (!is_resource($FH)) { - if (PEAR::isError($FH)) { - return $FH; - } - $filter_str = $this->asString(); - if (PEAR::isError($filter_str)) { - return $filter_str; - } else { - print($filter_str); - } - } else { - $filter_str = $this->asString(); - if (PEAR::isError($filter_str)) { - return $filter_str; - } else { - $res = @fwrite($FH, $this->asString()); - if ($res == false) { - return PEAR::raiseError("Unable to write filter string to filehandle \$FH!"); - } - } - } - return true; - } - - /** - * This can be used to escape a string to provide a valid LDAP-Filter. - * - * LDAP will only recognise certain characters as the - * character istself if they are properly escaped. This is - * what this method does. - * The method can be called statically, so you can use it outside - * for your own purposes (eg for escaping only parts of strings) - * - * In fact, this is just a shorthand to {@link Net_LDAP2_Util::escape_filter_value()}. - * For upward compatibiliy reasons you are strongly encouraged to use the escape - * methods provided by the Net_LDAP2_Util class. - * - * @param string $value Any string who should be escaped - * - * @static - * @return string The string $string, but escaped - * @deprecated Do not use this method anymore, instead use Net_LDAP2_Util::escape_filter_value() directly - */ - public static function escape($value) - { - $return = Net_LDAP2_Util::escape_filter_value(array($value)); - return $return[0]; - } - - /** - * Is this a container or a leaf filter object? - * - * @access protected - * @return boolean - */ - protected function isLeaf() - { - if (count($this->_subfilters) > 0) { - return false; // Container! - } else { - return true; // Leaf! - } - } -} -?> diff --git a/extlib/Net/LDAP2/LDIF.php b/extlib/Net/LDAP2/LDIF.php deleted file mode 100644 index 34f3e75dd..000000000 --- a/extlib/Net/LDAP2/LDIF.php +++ /dev/null @@ -1,922 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4: */ -/** -* File containing the Net_LDAP2_LDIF interface class. -* -* PHP version 5 -* -* @category Net -* @package Net_LDAP2 -* @author Benedikt Hallinger <beni@php.net> -* @copyright 2009 Benedikt Hallinger -* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 -* @version SVN: $Id: LDIF.php 286718 2009-08-03 07:30:49Z beni $ -* @link http://pear.php.net/package/Net_LDAP2/ -*/ - -/** -* Includes -*/ -require_once 'PEAR.php'; -require_once 'Net/LDAP2.php'; -require_once 'Net/LDAP2/Entry.php'; -require_once 'Net/LDAP2/Util.php'; - -/** -* LDIF capabilitys for Net_LDAP2, closely taken from PERLs Net::LDAP -* -* It provides a means to convert between Net_LDAP2_Entry objects and LDAP entries -* represented in LDIF format files. Reading and writing are supported and may -* manipulate single entries or lists of entries. -* -* Usage example: -* <code> -* // Read and parse an ldif-file into Net_LDAP2_Entry objects -* // and print out the DNs. Store the entries for later use. -* require 'Net/LDAP2/LDIF.php'; -* $options = array( -* 'onerror' => 'die' -* ); -* $entries = array(); -* $ldif = new Net_LDAP2_LDIF('test.ldif', 'r', $options); -* do { -* $entry = $ldif->read_entry(); -* $dn = $entry->dn(); -* echo " done building entry: $dn\n"; -* array_push($entries, $entry); -* } while (!$ldif->eof()); -* $ldif->done(); -* -* -* // write those entries to another file -* $ldif = new Net_LDAP2_LDIF('test.out.ldif', 'w', $options); -* $ldif->write_entry($entries); -* $ldif->done(); -* </code> -* -* @category Net -* @package Net_LDAP2 -* @author Benedikt Hallinger <beni@php.net> -* @license http://www.gnu.org/copyleft/lesser.html LGPL -* @link http://pear.php.net/package/Net_LDAP22/ -* @see http://www.ietf.org/rfc/rfc2849.txt -* @todo Error handling should be PEARified -* @todo LDAPv3 controls are not implemented yet -*/ -class Net_LDAP2_LDIF extends PEAR -{ - /** - * Options - * - * @access protected - * @var array - */ - protected $_options = array('encode' => 'base64', - 'onerror' => null, - 'change' => 0, - 'lowercase' => 0, - 'sort' => 0, - 'version' => null, - 'wrap' => 78, - 'raw' => '' - ); - - /** - * Errorcache - * - * @access protected - * @var array - */ - protected $_error = array('error' => null, - 'line' => 0 - ); - - /** - * Filehandle for read/write - * - * @access protected - * @var array - */ - protected $_FH = null; - - /** - * Says, if we opened the filehandle ourselves - * - * @access protected - * @var array - */ - protected $_FH_opened = false; - - /** - * Linecounter for input file handle - * - * @access protected - * @var array - */ - protected $_input_line = 0; - - /** - * counter for processed entries - * - * @access protected - * @var int - */ - protected $_entrynum = 0; - - /** - * Mode we are working in - * - * Either 'r', 'a' or 'w' - * - * @access protected - * @var string - */ - protected $_mode = false; - - /** - * Tells, if the LDIF version string was already written - * - * @access protected - * @var boolean - */ - protected $_version_written = false; - - /** - * Cache for lines that have build the current entry - * - * @access protected - * @var boolean - */ - protected $_lines_cur = array(); - - /** - * Cache for lines that will build the next entry - * - * @access protected - * @var boolean - */ - protected $_lines_next = array(); - - /** - * Open LDIF file for reading or for writing - * - * new (FILE): - * Open the file read-only. FILE may be the name of a file - * or an already open filehandle. - * If the file doesn't exist, it will be created if in write mode. - * - * new (FILE, MODE, OPTIONS): - * Open the file with the given MODE (see PHPs fopen()), eg "w" or "a". - * FILE may be the name of a file or an already open filehandle. - * PERLs Net_LDAP2 "FILE|" mode does not work curently. - * - * OPTIONS is an associative array and may contain: - * encode => 'none' | 'canonical' | 'base64' - * Some DN values in LDIF cannot be written verbatim and have to be encoded in some way: - * 'none' No encoding. - * 'canonical' See "canonical_dn()" in Net::LDAP::Util. - * 'base64' Use base64. (default, this differs from the Perl interface. - * The perl default is "none"!) - * - * onerror => 'die' | 'warn' | NULL - * Specify what happens when an error is detected. - * 'die' Net_LDAP2_LDIF will croak with an appropriate message. - * 'warn' Net_LDAP2_LDIF will warn (echo) with an appropriate message. - * NULL Net_LDAP2_LDIF will not warn (default), use error(). - * - * change => 1 - * Write entry changes to the LDIF file instead of the entries itself. I.e. write LDAP - * operations acting on the entries to the file instead of the entries contents. - * This writes the changes usually carried out by an update() to the LDIF file. - * - * lowercase => 1 - * Convert attribute names to lowercase when writing. - * - * sort => 1 - * Sort attribute names when writing entries according to the rule: - * objectclass first then all other attributes alphabetically sorted by attribute name - * - * version => '1' - * Set the LDIF version to write to the resulting LDIF file. - * According to RFC 2849 currently the only legal value for this option is 1. - * When this option is set Net_LDAP2_LDIF tries to adhere more strictly to - * the LDIF specification in RFC2489 in a few places. - * The default is NULL meaning no version information is written to the LDIF file. - * - * wrap => 78 - * Number of columns where output line wrapping shall occur. - * Default is 78. Setting it to 40 or lower inhibits wrapping. - * - * raw => REGEX - * Use REGEX to denote the names of attributes that are to be - * considered binary in search results if writing entries. - * Example: raw => "/(?i:^jpegPhoto|;binary)/i" - * - * @param string|ressource $file Filename or filehandle - * @param string $mode Mode to open filename - * @param array $options Options like described above - */ - public function __construct($file, $mode = 'r', $options = array()) - { - $this->PEAR('Net_LDAP2_Error'); // default error class - - // First, parse options - // todo: maybe implement further checks on possible values - foreach ($options as $option => $value) { - if (!array_key_exists($option, $this->_options)) { - $this->dropError('Net_LDAP2_LDIF error: option '.$option.' not known!'); - return; - } else { - $this->_options[$option] = strtolower($value); - } - } - - // setup LDIF class - $this->version($this->_options['version']); - - // setup file mode - if (!preg_match('/^[rwa]\+?$/', $mode)) { - $this->dropError('Net_LDAP2_LDIF error: file mode '.$mode.' not supported!'); - } else { - $this->_mode = $mode; - - // setup filehandle - if (is_resource($file)) { - // TODO: checks on mode possible? - $this->_FH =& $file; - } else { - $imode = substr($this->_mode, 0, 1); - if ($imode == 'r') { - if (!file_exists($file)) { - $this->dropError('Unable to open '.$file.' for read: file not found'); - $this->_mode = false; - } - if (!is_readable($file)) { - $this->dropError('Unable to open '.$file.' for read: permission denied'); - $this->_mode = false; - } - } - - if (($imode == 'w' || $imode == 'a')) { - if (file_exists($file)) { - if (!is_writable($file)) { - $this->dropError('Unable to open '.$file.' for write: permission denied'); - $this->_mode = false; - } - } else { - if (!@touch($file)) { - $this->dropError('Unable to create '.$file.' for write: permission denied'); - $this->_mode = false; - } - } - } - - if ($this->_mode) { - $this->_FH = @fopen($file, $this->_mode); - if (false === $this->_FH) { - // Fallback; should never be reached if tests above are good enough! - $this->dropError('Net_LDAP2_LDIF error: Could not open file '.$file); - } else { - $this->_FH_opened = true; - } - } - } - } - } - - /** - * Read one entry from the file and return it as a Net::LDAP::Entry object. - * - * @return Net_LDAP2_Entry - */ - public function read_entry() - { - // read fresh lines, set them as current lines and create the entry - $attrs = $this->next_lines(true); - if (count($attrs) > 0) { - $this->_lines_cur = $attrs; - } - return $this->current_entry(); - } - - /** - * Returns true when the end of the file is reached. - * - * @return boolean - */ - public function eof() - { - return feof($this->_FH); - } - - /** - * Write the entry or entries to the LDIF file. - * - * If you want to build an LDIF file containing several entries AND - * you want to call write_entry() several times, you must open the filehandle - * in append mode ("a"), otherwise you will always get the last entry only. - * - * @param Net_LDAP2_Entry|array $entries Entry or array of entries - * - * @return void - * @todo implement operations on whole entries (adding a whole entry) - */ - public function write_entry($entries) - { - if (!is_array($entries)) { - $entries = array($entries); - } - - foreach ($entries as $entry) { - $this->_entrynum++; - if (!$entry instanceof Net_LDAP2_Entry) { - $this->dropError('Net_LDAP2_LDIF error: entry '.$this->_entrynum.' is not an Net_LDAP2_Entry object'); - } else { - if ($this->_options['change']) { - // LDIF change mode - // fetch change information from entry - $entry_attrs_changes = $entry->getChanges(); - $num_of_changes = count($entry_attrs_changes['add']) - + count($entry_attrs_changes['replace']) - + count($entry_attrs_changes['delete']); - - $is_changed = ($num_of_changes > 0 || $entry->willBeDeleted() || $entry->willBeMoved()); - - // write version if not done yet - // also write DN of entry - if ($is_changed) { - if (!$this->_version_written) { - $this->write_version(); - } - $this->writeDN($entry->currentDN()); - } - - // process changes - // TODO: consider DN add! - if ($entry->willBeDeleted()) { - $this->writeLine("changetype: delete".PHP_EOL); - } elseif ($entry->willBeMoved()) { - $this->writeLine("changetype: modrdn".PHP_EOL); - $olddn = Net_LDAP2_Util::ldap_explode_dn($entry->currentDN(), array('casefold' => 'none')); // maybe gives a bug if using multivalued RDNs - $oldrdn = array_shift($olddn); - $oldparent = implode(',', $olddn); - $newdn = Net_LDAP2_Util::ldap_explode_dn($entry->dn(), array('casefold' => 'none')); // maybe gives a bug if using multivalued RDNs - $rdn = array_shift($newdn); - $parent = implode(',', $newdn); - $this->writeLine("newrdn: ".$rdn.PHP_EOL); - $this->writeLine("deleteoldrdn: 1".PHP_EOL); - if ($parent !== $oldparent) { - $this->writeLine("newsuperior: ".$parent.PHP_EOL); - } - // TODO: What if the entry has attribute changes as well? - // I think we should check for that and make a dummy - // entry with the changes that is written to the LDIF file - } elseif ($num_of_changes > 0) { - // write attribute change data - $this->writeLine("changetype: modify".PHP_EOL); - foreach ($entry_attrs_changes as $changetype => $entry_attrs) { - foreach ($entry_attrs as $attr_name => $attr_values) { - $this->writeLine("$changetype: $attr_name".PHP_EOL); - if ($attr_values !== null) $this->writeAttribute($attr_name, $attr_values, $changetype); - $this->writeLine("-".PHP_EOL); - } - } - } - - // finish this entrys data if we had changes - if ($is_changed) { - $this->finishEntry(); - } - } else { - // LDIF-content mode - // fetch attributes for further processing - $entry_attrs = $entry->getValues(); - - // sort and put objectclass-attrs to first position - if ($this->_options['sort']) { - ksort($entry_attrs); - if (array_key_exists('objectclass', $entry_attrs)) { - $oc = $entry_attrs['objectclass']; - unset($entry_attrs['objectclass']); - $entry_attrs = array_merge(array('objectclass' => $oc), $entry_attrs); - } - } - - // write data - if (!$this->_version_written) { - $this->write_version(); - } - $this->writeDN($entry->dn()); - foreach ($entry_attrs as $attr_name => $attr_values) { - $this->writeAttribute($attr_name, $attr_values); - } - $this->finishEntry(); - } - } - } - } - - /** - * Write version to LDIF - * - * If the object's version is defined, this method allows to explicitely write the version before an entry is written. - * If not called explicitely, it gets called automatically when writing the first entry. - * - * @return void - */ - public function write_version() - { - $this->_version_written = true; - if (!is_null($this->version())) { - return $this->writeLine('version: '.$this->version().PHP_EOL, 'Net_LDAP2_LDIF error: unable to write version'); - } - } - - /** - * Get or set LDIF version - * - * If called without arguments it returns the version of the LDIF file or NULL if no version has been set. - * If called with an argument it sets the LDIF version to VERSION. - * According to RFC 2849 currently the only legal value for VERSION is 1. - * - * @param int $version (optional) LDIF version to set - * - * @return int - */ - public function version($version = null) - { - if ($version !== null) { - if ($version != 1) { - $this->dropError('Net_LDAP2_LDIF error: illegal LDIF version set'); - } else { - $this->_options['version'] = $version; - } - } - return $this->_options['version']; - } - - /** - * Returns the file handle the Net_LDAP2_LDIF object reads from or writes to. - * - * You can, for example, use this to fetch the content of the LDIF file yourself - * - * @return null|resource - */ - public function &handle() - { - if (!is_resource($this->_FH)) { - $this->dropError('Net_LDAP2_LDIF error: invalid file resource'); - $null = null; - return $null; - } else { - return $this->_FH; - } - } - - /** - * Clean up - * - * This method signals that the LDIF object is no longer needed. - * You can use this to free up some memory and close the file handle. - * The file handle is only closed, if it was opened from Net_LDAP2_LDIF. - * - * @return void - */ - public function done() - { - // close FH if we opened it - if ($this->_FH_opened) { - fclose($this->handle()); - } - - // free variables - foreach (get_object_vars($this) as $name => $value) { - unset($this->$name); - } - } - - /** - * Returns last error message if error was found. - * - * Example: - * <code> - * $ldif->someAction(); - * if ($ldif->error()) { - * echo "Error: ".$ldif->error()." at input line: ".$ldif->error_lines(); - * } - * </code> - * - * @param boolean $as_string If set to true, only the message is returned - * - * @return false|Net_LDAP2_Error - */ - public function error($as_string = false) - { - if (Net_LDAP2::isError($this->_error['error'])) { - return ($as_string)? $this->_error['error']->getMessage() : $this->_error['error']; - } else { - return false; - } - } - - /** - * Returns lines that resulted in error. - * - * Perl returns an array of faulty lines in list context, - * but we always just return an int because of PHPs language. - * - * @return int - */ - public function error_lines() - { - return $this->_error['line']; - } - - /** - * Returns the current Net::LDAP::Entry object. - * - * @return Net_LDAP2_Entry|false - */ - public function current_entry() - { - return $this->parseLines($this->current_lines()); - } - - /** - * Parse LDIF lines of one entry into an Net_LDAP2_Entry object - * - * @param array $lines LDIF lines for one entry - * - * @return Net_LDAP2_Entry|false Net_LDAP2_Entry object for those lines - * @todo what about file inclusions and urls? "jpegphoto:< file:///usr/local/directory/photos/fiona.jpg" - */ - public function parseLines($lines) - { - // parse lines into an array of attributes and build the entry - $attributes = array(); - $dn = false; - foreach ($lines as $line) { - if (preg_match('/^(\w+)(:|::|:<)\s(.+)$/', $line, $matches)) { - $attr =& $matches[1]; - $delim =& $matches[2]; - $data =& $matches[3]; - - if ($delim == ':') { - // normal data - $attributes[$attr][] = $data; - } elseif ($delim == '::') { - // base64 data - $attributes[$attr][] = base64_decode($data); - } elseif ($delim == ':<') { - // file inclusion - // TODO: Is this the job of the LDAP-client or the server? - $this->dropError('File inclusions are currently not supported'); - //$attributes[$attr][] = ...; - } else { - // since the pattern above, the delimeter cannot be something else. - $this->dropError('Net_LDAP2_LDIF parsing error: invalid syntax at parsing entry line: '.$line); - continue; - } - - if (strtolower($attr) == 'dn') { - // DN line detected - $dn = $attributes[$attr][0]; // save possibly decoded DN - unset($attributes[$attr]); // remove wrongly added "dn: " attribute - } - } else { - // line not in "attr: value" format -> ignore - // maybe we should rise an error here, but this should be covered by - // next_lines() already. A problem arises, if users try to feed data of - // several entries to this method - the resulting entry will - // get wrong attributes. However, this is already mentioned in the - // methods documentation above. - } - } - - if (false === $dn) { - $this->dropError('Net_LDAP2_LDIF parsing error: unable to detect DN for entry'); - return false; - } else { - $newentry = Net_LDAP2_Entry::createFresh($dn, $attributes); - return $newentry; - } - } - - /** - * Returns the lines that generated the current Net::LDAP::Entry object. - * - * Note that this returns an empty array if no lines have been read so far. - * - * @return array Array of lines - */ - public function current_lines() - { - return $this->_lines_cur; - } - - /** - * Returns the lines that will generate the next Net::LDAP::Entry object. - * - * If you set $force to TRUE then you can iterate over the lines that build - * up entries manually. Otherwise, iterating is done using {@link read_entry()}. - * Force will move the file pointer forward, thus returning the next entries lines. - * - * Wrapped lines will be unwrapped. Comments are stripped. - * - * @param boolean $force Set this to true if you want to iterate over the lines manually - * - * @return array - */ - public function next_lines($force = false) - { - // if we already have those lines, just return them, otherwise read - if (count($this->_lines_next) == 0 || $force) { - $this->_lines_next = array(); // empty in case something was left (if used $force) - $entry_done = false; - $fh = &$this->handle(); - $commentmode = false; // if we are in an comment, for wrapping purposes - $datalines_read = 0; // how many lines with data we have read - - while (!$entry_done && !$this->eof()) { - $this->_input_line++; - // Read line. Remove line endings, we want only data; - // this is okay since ending spaces should be encoded - $data = rtrim(fgets($fh)); - if ($data === false) { - // error only, if EOF not reached after fgets() call - if (!$this->eof()) { - $this->dropError('Net_LDAP2_LDIF error: error reading from file at input line '.$this->_input_line, $this->_input_line); - } - break; - } else { - if (count($this->_lines_next) > 0 && preg_match('/^$/', $data)) { - // Entry is finished if we have an empty line after we had data - $entry_done = true; - - // Look ahead if the next EOF is nearby. Comments and empty - // lines at the file end may cause problems otherwise - $current_pos = ftell($fh); - $data = fgets($fh); - while (!feof($fh)) { - if (preg_match('/^\s*$/', $data) || preg_match('/^#/', $data)) { - // only empty lines or comments, continue to seek - // TODO: Known bug: Wrappings for comments are okay but are treaten as - // error, since we do not honor comment mode here. - // This should be a very theoretically case, however - // i am willing to fix this if really necessary. - $this->_input_line++; - $current_pos = ftell($fh); - $data = fgets($fh); - } else { - // Data found if non emtpy line and not a comment!! - // Rewind to position prior last read and stop lookahead - fseek($fh, $current_pos); - break; - } - } - // now we have either the file pointer at the beginning of - // a new data position or at the end of file causing feof() to return true - - } else { - // build lines - if (preg_match('/^version:\s(.+)$/', $data, $match)) { - // version statement, set version - $this->version($match[1]); - } elseif (preg_match('/^\w+::?\s.+$/', $data)) { - // normal attribute: add line - $commentmode = false; - $this->_lines_next[] = trim($data); - $datalines_read++; - } elseif (preg_match('/^\s(.+)$/', $data, $matches)) { - // wrapped data: unwrap if not in comment mode - if (!$commentmode) { - if ($datalines_read == 0) { - // first line of entry: wrapped data is illegal - $this->dropError('Net_LDAP2_LDIF error: illegal wrapping at input line '.$this->_input_line, $this->_input_line); - } else { - $last = array_pop($this->_lines_next); - $last = $last.trim($matches[1]); - $this->_lines_next[] = $last; - $datalines_read++; - } - } - } elseif (preg_match('/^#/', $data)) { - // LDIF comments - $commentmode = true; - } elseif (preg_match('/^\s*$/', $data)) { - // empty line but we had no data for this - // entry, so just ignore this line - $commentmode = false; - } else { - $this->dropError('Net_LDAP2_LDIF error: invalid syntax at input line '.$this->_input_line, $this->_input_line); - continue; - } - - } - } - } - } - return $this->_lines_next; - } - - /** - * Convert an attribute and value to LDIF string representation - * - * It honors correct encoding of values according to RFC 2849. - * Line wrapping will occur at the configured maximum but only if - * the value is greater than 40 chars. - * - * @param string $attr_name Name of the attribute - * @param string $attr_value Value of the attribute - * - * @access protected - * @return string LDIF string for that attribute and value - */ - protected function convertAttribute($attr_name, $attr_value) - { - // Handle empty attribute or process - if (strlen($attr_value) == 0) { - $attr_value = " "; - } else { - $base64 = false; - // ASCII-chars that are NOT safe for the - // start and for being inside the value. - // These are the int values of those chars. - $unsafe_init = array(0, 10, 13, 32, 58, 60); - $unsafe = array(0, 10, 13); - - // Test for illegal init char - $init_ord = ord(substr($attr_value, 0, 1)); - if ($init_ord > 127 || in_array($init_ord, $unsafe_init)) { - $base64 = true; - } - - // Test for illegal content char - for ($i = 0; $i < strlen($attr_value); $i++) { - $char_ord = ord(substr($attr_value, $i, 1)); - if ($char_ord > 127 || in_array($char_ord, $unsafe)) { - $base64 = true; - } - } - - // Test for ending space - if (substr($attr_value, -1) == ' ') { - $base64 = true; - } - - // If converting is needed, do it - // Either we have some special chars or a matching "raw" regex - if ($base64 || ($this->_options['raw'] && preg_match($this->_options['raw'], $attr_name))) { - $attr_name .= ':'; - $attr_value = base64_encode($attr_value); - } - - // Lowercase attr names if requested - if ($this->_options['lowercase']) $attr_name = strtolower($attr_name); - - // Handle line wrapping - if ($this->_options['wrap'] > 40 && strlen($attr_value) > $this->_options['wrap']) { - $attr_value = wordwrap($attr_value, $this->_options['wrap'], PHP_EOL." ", true); - } - } - - return $attr_name.': '.$attr_value; - } - - /** - * Convert an entries DN to LDIF string representation - * - * It honors correct encoding of values according to RFC 2849. - * - * @param string $dn UTF8-Encoded DN - * - * @access protected - * @return string LDIF string for that DN - * @todo I am not sure, if the UTF8 stuff is correctly handled right now - */ - protected function convertDN($dn) - { - $base64 = false; - // ASCII-chars that are NOT safe for the - // start and for being inside the dn. - // These are the int values of those chars. - $unsafe_init = array(0, 10, 13, 32, 58, 60); - $unsafe = array(0, 10, 13); - - // Test for illegal init char - $init_ord = ord(substr($dn, 0, 1)); - if ($init_ord >= 127 || in_array($init_ord, $unsafe_init)) { - $base64 = true; - } - - // Test for illegal content char - for ($i = 0; $i < strlen($dn); $i++) { - $char = substr($dn, $i, 1); - if (ord($char) >= 127 || in_array($init_ord, $unsafe)) { - $base64 = true; - } - } - - // Test for ending space - if (substr($dn, -1) == ' ') { - $base64 = true; - } - - // if converting is needed, do it - return ($base64)? 'dn:: '.base64_encode($dn) : 'dn: '.$dn; - } - - /** - * Writes an attribute to the filehandle - * - * @param string $attr_name Name of the attribute - * @param string|array $attr_values Single attribute value or array with attribute values - * - * @access protected - * @return void - */ - protected function writeAttribute($attr_name, $attr_values) - { - // write out attribute content - if (!is_array($attr_values)) { - $attr_values = array($attr_values); - } - foreach ($attr_values as $attr_val) { - $line = $this->convertAttribute($attr_name, $attr_val).PHP_EOL; - $this->writeLine($line, 'Net_LDAP2_LDIF error: unable to write attribute '.$attr_name.' of entry '.$this->_entrynum); - } - } - - /** - * Writes a DN to the filehandle - * - * @param string $dn DN to write - * - * @access protected - * @return void - */ - protected function writeDN($dn) - { - // prepare DN - if ($this->_options['encode'] == 'base64') { - $dn = $this->convertDN($dn).PHP_EOL; - } elseif ($this->_options['encode'] == 'canonical') { - $dn = Net_LDAP2_Util::canonical_dn($dn, array('casefold' => 'none')).PHP_EOL; - } else { - $dn = $dn.PHP_EOL; - } - $this->writeLine($dn, 'Net_LDAP2_LDIF error: unable to write DN of entry '.$this->_entrynum); - } - - /** - * Finishes an LDIF entry - * - * @access protected - * @return void - */ - protected function finishEntry() - { - $this->writeLine(PHP_EOL, 'Net_LDAP2_LDIF error: unable to close entry '.$this->_entrynum); - } - - /** - * Just write an arbitary line to the filehandle - * - * @param string $line Content to write - * @param string $error If error occurs, drop this message - * - * @access protected - * @return true|false - */ - protected function writeLine($line, $error = 'Net_LDAP2_LDIF error: unable to write to filehandle') - { - if (is_resource($this->handle()) && fwrite($this->handle(), $line, strlen($line)) === false) { - $this->dropError($error); - return false; - } else { - return true; - } - } - - /** - * Optionally raises an error and pushes the error on the error cache - * - * @param string $msg Errortext - * @param int $line Line in the LDIF that caused the error - * - * @access protected - * @return void - */ - protected function dropError($msg, $line = null) - { - $this->_error['error'] = new Net_LDAP2_Error($msg); - if ($line !== null) $this->_error['line'] = $line; - - if ($this->_options['onerror'] == 'die') { - die($msg.PHP_EOL); - } elseif ($this->_options['onerror'] == 'warn') { - echo $msg.PHP_EOL; - } - } -} -?> diff --git a/extlib/Net/LDAP2/RootDSE.php b/extlib/Net/LDAP2/RootDSE.php deleted file mode 100644 index 8dc81fd4f..000000000 --- a/extlib/Net/LDAP2/RootDSE.php +++ /dev/null @@ -1,240 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4: */ -/** -* File containing the Net_LDAP2_RootDSE interface class. -* -* PHP version 5 -* -* @category Net -* @package Net_LDAP2 -* @author Jan Wagner <wagner@netsols.de> -* @copyright 2009 Jan Wagner -* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 -* @version SVN: $Id: RootDSE.php 286718 2009-08-03 07:30:49Z beni $ -* @link http://pear.php.net/package/Net_LDAP2/ -*/ - -/** -* Includes -*/ -require_once 'PEAR.php'; - -/** -* Getting the rootDSE entry of a LDAP server -* -* @category Net -* @package Net_LDAP2 -* @author Jan Wagner <wagner@netsols.de> -* @license http://www.gnu.org/copyleft/lesser.html LGPL -* @link http://pear.php.net/package/Net_LDAP22/ -*/ -class Net_LDAP2_RootDSE extends PEAR -{ - /** - * @access protected - * @var object Net_LDAP2_Entry - **/ - protected $_entry; - - /** - * Class constructor - * - * @param Net_LDAP2_Entry &$entry Net_LDAP2_Entry object of the RootDSE - */ - protected function __construct(&$entry) - { - $this->_entry = $entry; - } - - /** - * Fetches a RootDSE object from an LDAP connection - * - * @param Net_LDAP2 $ldap Directory from which the RootDSE should be fetched - * @param array $attrs Array of attributes to search for - * - * @access static - * @return Net_LDAP2_RootDSE|Net_LDAP2_Error - */ - public static function fetch($ldap, $attrs = null) - { - if (!$ldap instanceof Net_LDAP2) { - return PEAR::raiseError("Unable to fetch Schema: Parameter \$ldap must be a Net_LDAP2 object!"); - } - - if (is_array($attrs) && count($attrs) > 0 ) { - $attributes = $attrs; - } else { - $attributes = array('vendorName', - 'vendorVersion', - 'namingContexts', - 'altServer', - 'supportedExtension', - 'supportedControl', - 'supportedSASLMechanisms', - 'supportedLDAPVersion', - 'subschemaSubentry' ); - } - $result = $ldap->search('', '(objectClass=*)', array('attributes' => $attributes, 'scope' => 'base')); - if (self::isError($result)) { - return $result; - } - $entry = $result->shiftEntry(); - if (false === $entry) { - return PEAR::raiseError('Could not fetch RootDSE entry'); - } - $ret = new Net_LDAP2_RootDSE($entry); - return $ret; - } - - /** - * Gets the requested attribute value - * - * Same usuage as {@link Net_LDAP2_Entry::getValue()} - * - * @param string $attr Attribute name - * @param array $options Array of options - * - * @access public - * @return mixed Net_LDAP2_Error object or attribute values - * @see Net_LDAP2_Entry::get_value() - */ - public function getValue($attr = '', $options = '') - { - return $this->_entry->get_value($attr, $options); - } - - /** - * Alias function of getValue() for perl-ldap interface - * - * @see getValue() - * @return mixed - */ - public function get_value() - { - $args = func_get_args(); - return call_user_func_array(array( &$this, 'getValue' ), $args); - } - - /** - * Determines if the extension is supported - * - * @param array $oids Array of oids to check - * - * @access public - * @return boolean - */ - public function supportedExtension($oids) - { - return $this->checkAttr($oids, 'supportedExtension'); - } - - /** - * Alias function of supportedExtension() for perl-ldap interface - * - * @see supportedExtension() - * @return boolean - */ - public function supported_extension() - { - $args = func_get_args(); - return call_user_func_array(array( &$this, 'supportedExtension'), $args); - } - - /** - * Determines if the version is supported - * - * @param array $versions Versions to check - * - * @access public - * @return boolean - */ - public function supportedVersion($versions) - { - return $this->checkAttr($versions, 'supportedLDAPVersion'); - } - - /** - * Alias function of supportedVersion() for perl-ldap interface - * - * @see supportedVersion() - * @return boolean - */ - public function supported_version() - { - $args = func_get_args(); - return call_user_func_array(array(&$this, 'supportedVersion'), $args); - } - - /** - * Determines if the control is supported - * - * @param array $oids Control oids to check - * - * @access public - * @return boolean - */ - public function supportedControl($oids) - { - return $this->checkAttr($oids, 'supportedControl'); - } - - /** - * Alias function of supportedControl() for perl-ldap interface - * - * @see supportedControl() - * @return boolean - */ - public function supported_control() - { - $args = func_get_args(); - return call_user_func_array(array(&$this, 'supportedControl' ), $args); - } - - /** - * Determines if the sasl mechanism is supported - * - * @param array $mechlist SASL mechanisms to check - * - * @access public - * @return boolean - */ - public function supportedSASLMechanism($mechlist) - { - return $this->checkAttr($mechlist, 'supportedSASLMechanisms'); - } - - /** - * Alias function of supportedSASLMechanism() for perl-ldap interface - * - * @see supportedSASLMechanism() - * @return boolean - */ - public function supported_sasl_mechanism() - { - $args = func_get_args(); - return call_user_func_array(array(&$this, 'supportedSASLMechanism'), $args); - } - - /** - * Checks for existance of value in attribute - * - * @param array $values values to check - * @param string $attr attribute name - * - * @access protected - * @return boolean - */ - protected function checkAttr($values, $attr) - { - if (!is_array($values)) $values = array($values); - - foreach ($values as $value) { - if (!@in_array($value, $this->get_value($attr, 'all'))) { - return false; - } - } - return true; - } -} - -?> diff --git a/extlib/Net/LDAP2/Schema.php b/extlib/Net/LDAP2/Schema.php deleted file mode 100644 index b590eabc5..000000000 --- a/extlib/Net/LDAP2/Schema.php +++ /dev/null @@ -1,516 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4: */ -/** -* File containing the Net_LDAP2_Schema interface class. -* -* PHP version 5 -* -* @category Net -* @package Net_LDAP2 -* @author Jan Wagner <wagner@netsols.de> -* @author Benedikt Hallinger <beni@php.net> -* @copyright 2009 Jan Wagner, Benedikt Hallinger -* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 -* @version SVN: $Id: Schema.php 286718 2009-08-03 07:30:49Z beni $ -* @link http://pear.php.net/package/Net_LDAP2/ -* @todo see the comment at the end of the file -*/ - -/** -* Includes -*/ -require_once 'PEAR.php'; - -/** -* Syntax definitions -* -* Please don't forget to add binary attributes to isBinary() below -* to support proper value fetching from Net_LDAP2_Entry -*/ -define('NET_LDAP2_SYNTAX_BOOLEAN', '1.3.6.1.4.1.1466.115.121.1.7'); -define('NET_LDAP2_SYNTAX_DIRECTORY_STRING', '1.3.6.1.4.1.1466.115.121.1.15'); -define('NET_LDAP2_SYNTAX_DISTINGUISHED_NAME', '1.3.6.1.4.1.1466.115.121.1.12'); -define('NET_LDAP2_SYNTAX_INTEGER', '1.3.6.1.4.1.1466.115.121.1.27'); -define('NET_LDAP2_SYNTAX_JPEG', '1.3.6.1.4.1.1466.115.121.1.28'); -define('NET_LDAP2_SYNTAX_NUMERIC_STRING', '1.3.6.1.4.1.1466.115.121.1.36'); -define('NET_LDAP2_SYNTAX_OID', '1.3.6.1.4.1.1466.115.121.1.38'); -define('NET_LDAP2_SYNTAX_OCTET_STRING', '1.3.6.1.4.1.1466.115.121.1.40'); - -/** -* Load an LDAP Schema and provide information -* -* This class takes a Subschema entry, parses this information -* and makes it available in an array. Most of the code has been -* inspired by perl-ldap( http://perl-ldap.sourceforge.net). -* You will find portions of their implementation in here. -* -* @category Net -* @package Net_LDAP2 -* @author Jan Wagner <wagner@netsols.de> -* @author Benedikt Hallinger <beni@php.net> -* @license http://www.gnu.org/copyleft/lesser.html LGPL -* @link http://pear.php.net/package/Net_LDAP22/ -*/ -class Net_LDAP2_Schema extends PEAR -{ - /** - * Map of entry types to ldap attributes of subschema entry - * - * @access public - * @var array - */ - public $types = array( - 'attribute' => 'attributeTypes', - 'ditcontentrule' => 'dITContentRules', - 'ditstructurerule' => 'dITStructureRules', - 'matchingrule' => 'matchingRules', - 'matchingruleuse' => 'matchingRuleUse', - 'nameform' => 'nameForms', - 'objectclass' => 'objectClasses', - 'syntax' => 'ldapSyntaxes' - ); - - /** - * Array of entries belonging to this type - * - * @access protected - * @var array - */ - protected $_attributeTypes = array(); - protected $_matchingRules = array(); - protected $_matchingRuleUse = array(); - protected $_ldapSyntaxes = array(); - protected $_objectClasses = array(); - protected $_dITContentRules = array(); - protected $_dITStructureRules = array(); - protected $_nameForms = array(); - - - /** - * hash of all fetched oids - * - * @access protected - * @var array - */ - protected $_oids = array(); - - /** - * Tells if the schema is initialized - * - * @access protected - * @var boolean - * @see parse(), get() - */ - protected $_initialized = false; - - - /** - * Constructor of the class - * - * @access protected - */ - protected function __construct() - { - $this->PEAR('Net_LDAP2_Error'); // default error class - } - - /** - * Fetch the Schema from an LDAP connection - * - * @param Net_LDAP2 $ldap LDAP connection - * @param string $dn (optional) Subschema entry dn - * - * @access public - * @return Net_LDAP2_Schema|NET_LDAP2_Error - */ - public function fetch($ldap, $dn = null) - { - if (!$ldap instanceof Net_LDAP2) { - return PEAR::raiseError("Unable to fetch Schema: Parameter \$ldap must be a Net_LDAP2 object!"); - } - - $schema_o = new Net_LDAP2_Schema(); - - if (is_null($dn)) { - // get the subschema entry via root dse - $dse = $ldap->rootDSE(array('subschemaSubentry')); - if (false == Net_LDAP2::isError($dse)) { - $base = $dse->getValue('subschemaSubentry', 'single'); - if (!Net_LDAP2::isError($base)) { - $dn = $base; - } - } - } - - // Support for buggy LDAP servers (e.g. Siemens DirX 6.x) that incorrectly - // call this entry subSchemaSubentry instead of subschemaSubentry. - // Note the correct case/spelling as per RFC 2251. - if (is_null($dn)) { - // get the subschema entry via root dse - $dse = $ldap->rootDSE(array('subSchemaSubentry')); - if (false == Net_LDAP2::isError($dse)) { - $base = $dse->getValue('subSchemaSubentry', 'single'); - if (!Net_LDAP2::isError($base)) { - $dn = $base; - } - } - } - - // Final fallback case where there is no subschemaSubentry attribute - // in the root DSE (this is a bug for an LDAP v3 server so report this - // to your LDAP vendor if you get this far). - if (is_null($dn)) { - $dn = 'cn=Subschema'; - } - - // fetch the subschema entry - $result = $ldap->search($dn, '(objectClass=*)', - array('attributes' => array_values($schema_o->types), - 'scope' => 'base')); - if (Net_LDAP2::isError($result)) { - return $result; - } - - $entry = $result->shiftEntry(); - if (!$entry instanceof Net_LDAP2_Entry) { - return PEAR::raiseError('Could not fetch Subschema entry'); - } - - $schema_o->parse($entry); - return $schema_o; - } - - /** - * Return a hash of entries for the given type - * - * Returns a hash of entry for th givene type. Types may be: - * objectclasses, attributes, ditcontentrules, ditstructurerules, matchingrules, - * matchingruleuses, nameforms, syntaxes - * - * @param string $type Type to fetch - * - * @access public - * @return array|Net_LDAP2_Error Array or Net_LDAP2_Error - */ - public function &getAll($type) - { - $map = array('objectclasses' => &$this->_objectClasses, - 'attributes' => &$this->_attributeTypes, - 'ditcontentrules' => &$this->_dITContentRules, - 'ditstructurerules' => &$this->_dITStructureRules, - 'matchingrules' => &$this->_matchingRules, - 'matchingruleuses' => &$this->_matchingRuleUse, - 'nameforms' => &$this->_nameForms, - 'syntaxes' => &$this->_ldapSyntaxes ); - - $key = strtolower($type); - $ret = ((key_exists($key, $map)) ? $map[$key] : PEAR::raiseError("Unknown type $type")); - return $ret; - } - - /** - * Return a specific entry - * - * @param string $type Type of name - * @param string $name Name or OID to fetch - * - * @access public - * @return mixed Entry or Net_LDAP2_Error - */ - public function &get($type, $name) - { - if ($this->_initialized) { - $type = strtolower($type); - if (false == key_exists($type, $this->types)) { - return PEAR::raiseError("No such type $type"); - } - - $name = strtolower($name); - $type_var = &$this->{'_' . $this->types[$type]}; - - if (key_exists($name, $type_var)) { - return $type_var[$name]; - } elseif (key_exists($name, $this->_oids) && $this->_oids[$name]['type'] == $type) { - return $this->_oids[$name]; - } else { - return PEAR::raiseError("Could not find $type $name"); - } - } else { - $return = null; - return $return; - } - } - - - /** - * Fetches attributes that MAY be present in the given objectclass - * - * @param string $oc Name or OID of objectclass - * - * @access public - * @return array|Net_LDAP2_Error Array with attributes or Net_LDAP2_Error - */ - public function may($oc) - { - return $this->_getAttr($oc, 'may'); - } - - /** - * Fetches attributes that MUST be present in the given objectclass - * - * @param string $oc Name or OID of objectclass - * - * @access public - * @return array|Net_LDAP2_Error Array with attributes or Net_LDAP2_Error - */ - public function must($oc) - { - return $this->_getAttr($oc, 'must'); - } - - /** - * Fetches the given attribute from the given objectclass - * - * @param string $oc Name or OID of objectclass - * @param string $attr Name of attribute to fetch - * - * @access protected - * @return array|Net_LDAP2_Error The attribute or Net_LDAP2_Error - */ - protected function _getAttr($oc, $attr) - { - $oc = strtolower($oc); - if (key_exists($oc, $this->_objectClasses) && key_exists($attr, $this->_objectClasses[$oc])) { - return $this->_objectClasses[$oc][$attr]; - } elseif (key_exists($oc, $this->_oids) && - $this->_oids[$oc]['type'] == 'objectclass' && - key_exists($attr, $this->_oids[$oc])) { - return $this->_oids[$oc][$attr]; - } else { - return PEAR::raiseError("Could not find $attr attributes for $oc "); - } - } - - /** - * Returns the name(s) of the immediate superclass(es) - * - * @param string $oc Name or OID of objectclass - * - * @access public - * @return array|Net_LDAP2_Error Array of names or Net_LDAP2_Error - */ - public function superclass($oc) - { - $o = $this->get('objectclass', $oc); - if (Net_LDAP2::isError($o)) { - return $o; - } - return (key_exists('sup', $o) ? $o['sup'] : array()); - } - - /** - * Parses the schema of the given Subschema entry - * - * @param Net_LDAP2_Entry &$entry Subschema entry - * - * @access public - * @return void - */ - public function parse(&$entry) - { - foreach ($this->types as $type => $attr) { - // initialize map type to entry - $type_var = '_' . $attr; - $this->{$type_var} = array(); - - // get values for this type - if ($entry->exists($attr)) { - $values = $entry->getValue($attr); - if (is_array($values)) { - foreach ($values as $value) { - - unset($schema_entry); // this was a real mess without it - - // get the schema entry - $schema_entry = $this->_parse_entry($value); - - // set the type - $schema_entry['type'] = $type; - - // save a ref in $_oids - $this->_oids[$schema_entry['oid']] = &$schema_entry; - - // save refs for all names in type map - $names = $schema_entry['aliases']; - array_push($names, $schema_entry['name']); - foreach ($names as $name) { - $this->{$type_var}[strtolower($name)] = &$schema_entry; - } - } - } - } - } - $this->_initialized = true; - } - - /** - * Parses an attribute value into a schema entry - * - * @param string $value Attribute value - * - * @access protected - * @return array|false Schema entry array or false - */ - protected function &_parse_entry($value) - { - // tokens that have no value associated - $noValue = array('single-value', - 'obsolete', - 'collective', - 'no-user-modification', - 'abstract', - 'structural', - 'auxiliary'); - - // tokens that can have multiple values - $multiValue = array('must', 'may', 'sup'); - - $schema_entry = array('aliases' => array()); // initilization - - $tokens = $this->_tokenize($value); // get an array of tokens - - // remove surrounding brackets - if ($tokens[0] == '(') array_shift($tokens); - if ($tokens[count($tokens) - 1] == ')') array_pop($tokens); // -1 doesnt work on arrays :-( - - $schema_entry['oid'] = array_shift($tokens); // first token is the oid - - // cycle over the tokens until none are left - while (count($tokens) > 0) { - $token = strtolower(array_shift($tokens)); - if (in_array($token, $noValue)) { - $schema_entry[$token] = 1; // single value token - } else { - // this one follows a string or a list if it is multivalued - if (($schema_entry[$token] = array_shift($tokens)) == '(') { - // this creates the list of values and cycles through the tokens - // until the end of the list is reached ')' - $schema_entry[$token] = array(); - while ($tmp = array_shift($tokens)) { - if ($tmp == ')') break; - if ($tmp != '$') array_push($schema_entry[$token], $tmp); - } - } - // create a array if the value should be multivalued but was not - if (in_array($token, $multiValue) && !is_array($schema_entry[$token])) { - $schema_entry[$token] = array($schema_entry[$token]); - } - } - } - // get max length from syntax - if (key_exists('syntax', $schema_entry)) { - if (preg_match('/{(\d+)}/', $schema_entry['syntax'], $matches)) { - $schema_entry['max_length'] = $matches[1]; - } - } - // force a name - if (empty($schema_entry['name'])) { - $schema_entry['name'] = $schema_entry['oid']; - } - // make one name the default and put the other ones into aliases - if (is_array($schema_entry['name'])) { - $aliases = $schema_entry['name']; - $schema_entry['name'] = array_shift($aliases); - $schema_entry['aliases'] = $aliases; - } - return $schema_entry; - } - - /** - * Tokenizes the given value into an array of tokens - * - * @param string $value String to parse - * - * @access protected - * @return array Array of tokens - */ - protected function _tokenize($value) - { - $tokens = array(); // array of tokens - $matches = array(); // matches[0] full pattern match, [1,2,3] subpatterns - - // this one is taken from perl-ldap, modified for php - $pattern = "/\s* (?:([()]) | ([^'\s()]+) | '((?:[^']+|'[^\s)])*)') \s*/x"; - - /** - * This one matches one big pattern wherin only one of the three subpatterns matched - * We are interested in the subpatterns that matched. If it matched its value will be - * non-empty and so it is a token. Tokens may be round brackets, a string, or a string - * enclosed by ' - */ - preg_match_all($pattern, $value, $matches); - - for ($i = 0; $i < count($matches[0]); $i++) { // number of tokens (full pattern match) - for ($j = 1; $j < 4; $j++) { // each subpattern - if (null != trim($matches[$j][$i])) { // pattern match in this subpattern - $tokens[$i] = trim($matches[$j][$i]); // this is the token - } - } - } - return $tokens; - } - - /** - * Returns wether a attribute syntax is binary or not - * - * This method gets used by Net_LDAP2_Entry to decide which - * PHP function needs to be used to fetch the value in the - * proper format (e.g. binary or string) - * - * @param string $attribute The name of the attribute (eg.: 'sn') - * - * @access public - * @return boolean - */ - public function isBinary($attribute) - { - $return = false; // default to false - - // This list contains all syntax that should be treaten as - // containing binary values - // The Syntax Definitons go into constants at the top of this page - $syntax_binary = array( - NET_LDAP2_SYNTAX_OCTET_STRING, - NET_LDAP2_SYNTAX_JPEG - ); - - // Check Syntax - $attr_s = $this->get('attribute', $attribute); - if (Net_LDAP2::isError($attr_s)) { - // Attribute not found in schema - $return = false; // consider attr not binary - } elseif (isset($attr_s['syntax']) && in_array($attr_s['syntax'], $syntax_binary)) { - // Syntax is defined as binary in schema - $return = true; - } else { - // Syntax not defined as binary, or not found - // if attribute is a subtype, check superior attribute syntaxes - if (isset($attr_s['sup'])) { - foreach ($attr_s['sup'] as $superattr) { - $return = $this->isBinary($superattr); - if ($return) { - break; // stop checking parents since we are binary - } - } - } - } - - return $return; - } - - // [TODO] add method that allows us to see to which objectclasses a certain attribute belongs to - // it should return the result structured, e.g. sorted in "may" and "must". Optionally it should - // be able to return it just "flat", e.g. array_merge()d. - // We could use get_all() to achieve this easily, i think -} -?> diff --git a/extlib/Net/LDAP2/SchemaCache.interface.php b/extlib/Net/LDAP2/SchemaCache.interface.php deleted file mode 100644 index e0c3094c4..000000000 --- a/extlib/Net/LDAP2/SchemaCache.interface.php +++ /dev/null @@ -1,59 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4: */ -/** -* File containing the Net_LDAP2_SchemaCache interface class. -* -* PHP version 5 -* -* @category Net -* @package Net_LDAP2 -* @author Benedikt Hallinger <beni@php.net> -* @copyright 2009 Benedikt Hallinger -* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 -* @version SVN: $Id: SchemaCache.interface.php 286718 2009-08-03 07:30:49Z beni $ -* @link http://pear.php.net/package/Net_LDAP2/ -*/ - -/** -* Interface describing a custom schema cache object -* -* To implement a custom schema cache, one must implement this interface and -* pass the instanciated object to Net_LDAP2s registerSchemaCache() method. -*/ -interface Net_LDAP2_SchemaCache -{ - /** - * Return the schema object from the cache - * - * Net_LDAP2 will consider anything returned invalid, except - * a valid Net_LDAP2_Schema object. - * In case you return a Net_LDAP2_Error, this error will be routed - * to the return of the $ldap->schema() call. - * If you return something else, Net_LDAP2 will - * fetch a fresh Schema object from the LDAP server. - * - * You may want to implement a cache aging mechanism here too. - * - * @return Net_LDAP2_Schema|Net_LDAP2_Error|false - */ - public function loadSchema(); - - /** - * Store a schema object in the cache - * - * This method will be called, if Net_LDAP2 has fetched a fresh - * schema object from LDAP and wants to init or refresh the cache. - * - * In case of errors you may return a Net_LDAP2_Error which will - * be routet to the client. - * Note that doing this prevents, that the schema object fetched from LDAP - * will be given back to the client, so only return errors if storing - * of the cache is something crucial (e.g. for doing something else with it). - * Normaly you dont want to give back errors in which case Net_LDAP2 needs to - * fetch the schema once per script run and instead use the error - * returned from loadSchema(). - * - * @return true|Net_LDAP2_Error - */ - public function storeSchema($schema); -} diff --git a/extlib/Net/LDAP2/Search.php b/extlib/Net/LDAP2/Search.php deleted file mode 100644 index de4fde122..000000000 --- a/extlib/Net/LDAP2/Search.php +++ /dev/null @@ -1,614 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4: */ -/** -* File containing the Net_LDAP2_Search interface class. -* -* PHP version 5 -* -* @category Net -* @package Net_LDAP2 -* @author Tarjej Huse <tarjei@bergfald.no> -* @author Benedikt Hallinger <beni@php.net> -* @copyright 2009 Tarjej Huse, Benedikt Hallinger -* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 -* @version SVN: $Id: Search.php 286718 2009-08-03 07:30:49Z beni $ -* @link http://pear.php.net/package/Net_LDAP2/ -*/ - -/** -* Includes -*/ -require_once 'PEAR.php'; - -/** -* Result set of an LDAP search -* -* @category Net -* @package Net_LDAP2 -* @author Tarjej Huse <tarjei@bergfald.no> -* @author Benedikt Hallinger <beni@php.net> -* @license http://www.gnu.org/copyleft/lesser.html LGPL -* @link http://pear.php.net/package/Net_LDAP22/ -*/ -class Net_LDAP2_Search extends PEAR implements Iterator -{ - /** - * Search result identifier - * - * @access protected - * @var resource - */ - protected $_search; - - /** - * LDAP resource link - * - * @access protected - * @var resource - */ - protected $_link; - - /** - * Net_LDAP2 object - * - * A reference of the Net_LDAP2 object for passing to Net_LDAP2_Entry - * - * @access protected - * @var object Net_LDAP2 - */ - protected $_ldap; - - /** - * Result entry identifier - * - * @access protected - * @var resource - */ - protected $_entry = null; - - /** - * The errorcode the search got - * - * Some errorcodes might be of interest, but might not be best handled as errors. - * examples: 4 - LDAP_SIZELIMIT_EXCEEDED - indicates a huge search. - * Incomplete results are returned. If you just want to check if there's anything in the search. - * than this is a point to handle. - * 32 - no such object - search here returns a count of 0. - * - * @access protected - * @var int - */ - protected $_errorCode = 0; // if not set - sucess! - - /** - * Cache for all entries already fetched from iterator interface - * - * @access protected - * @var array - */ - protected $_iteratorCache = array(); - - /** - * What attributes we searched for - * - * The $attributes array contains the names of the searched attributes and gets - * passed from $Net_LDAP2->search() so the Net_LDAP2_Search object can tell - * what attributes was searched for ({@link searchedAttrs()) - * - * This variable gets set from the constructor and returned - * from {@link searchedAttrs()} - * - * @access protected - * @var array - */ - protected $_searchedAttrs = array(); - - /** - * Cache variable for storing entries fetched internally - * - * This currently is only used by {@link pop_entry()} - * - * @access protected - * @var array - */ - protected $_entry_cache = false; - - /** - * Constructor - * - * @param resource &$search Search result identifier - * @param Net_LDAP2|resource &$ldap Net_LDAP2 object or just a LDAP-Link resource - * @param array $attributes (optional) Array with searched attribute names. (see {@link $_searchedAttrs}) - * - * @access public - */ - public function __construct(&$search, &$ldap, $attributes = array()) - { - $this->PEAR('Net_LDAP2_Error'); - - $this->setSearch($search); - - if ($ldap instanceof Net_LDAP2) { - $this->_ldap =& $ldap; - $this->setLink($this->_ldap->getLink()); - } else { - $this->setLink($ldap); - } - - $this->_errorCode = @ldap_errno($this->_link); - - if (is_array($attributes) && !empty($attributes)) { - $this->_searchedAttrs = $attributes; - } - } - - /** - * Returns an array of entry objects - * - * @return array Array of entry objects. - */ - public function entries() - { - $entries = array(); - - while ($entry = $this->shiftEntry()) { - $entries[] = $entry; - } - - return $entries; - } - - /** - * Get the next entry in the searchresult. - * - * This will return a valid Net_LDAP2_Entry object or false, so - * you can use this method to easily iterate over the entries inside - * a while loop. - * - * @return Net_LDAP2_Entry|false Reference to Net_LDAP2_Entry object or false - */ - public function &shiftEntry() - { - if ($this->count() == 0 ) { - $false = false; - return $false; - } - - if (is_null($this->_entry)) { - $this->_entry = @ldap_first_entry($this->_link, $this->_search); - $entry = Net_LDAP2_Entry::createConnected($this->_ldap, $this->_entry); - if ($entry instanceof Net_LDAP2_Error) $entry = false; - } else { - if (!$this->_entry = @ldap_next_entry($this->_link, $this->_entry)) { - $false = false; - return $false; - } - $entry = Net_LDAP2_Entry::createConnected($this->_ldap, $this->_entry); - if ($entry instanceof Net_LDAP2_Error) $entry = false; - } - return $entry; - } - - /** - * Alias function of shiftEntry() for perl-ldap interface - * - * @see shiftEntry() - * @return Net_LDAP2_Entry|false - */ - public function shift_entry() - { - $args = func_get_args(); - return call_user_func_array(array( &$this, 'shiftEntry' ), $args); - } - - /** - * Retrieve the next entry in the searchresult, but starting from last entry - * - * This is the opposite to {@link shiftEntry()} and is also very useful - * to be used inside a while loop. - * - * @return Net_LDAP2_Entry|false - */ - public function popEntry() - { - if (false === $this->_entry_cache) { - // fetch entries into cache if not done so far - $this->_entry_cache = $this->entries(); - } - - $return = array_pop($this->_entry_cache); - return (null === $return)? false : $return; - } - - /** - * Alias function of popEntry() for perl-ldap interface - * - * @see popEntry() - * @return Net_LDAP2_Entry|false - */ - public function pop_entry() - { - $args = func_get_args(); - return call_user_func_array(array( &$this, 'popEntry' ), $args); - } - - /** - * Return entries sorted as array - * - * This returns a array with sorted entries and the values. - * Sorting is done with PHPs {@link array_multisort()}. - * This method relies on {@link as_struct()} to fetch the raw data of the entries. - * - * Please note that attribute names are case sensitive! - * - * Usage example: - * <code> - * // to sort entries first by location, then by surename, but descending: - * $entries = $search->sorted_as_struct(array('locality','sn'), SORT_DESC); - * </code> - * - * @param array $attrs Array of attribute names to sort; order from left to right. - * @param int $order Ordering direction, either constant SORT_ASC or SORT_DESC - * - * @return array|Net_LDAP2_Error Array with sorted entries or error - * @todo what about server side sorting as specified in http://www.ietf.org/rfc/rfc2891.txt? - */ - public function sorted_as_struct($attrs = array('cn'), $order = SORT_ASC) - { - /* - * Old Code, suitable and fast for single valued sorting - * This code should be used if we know that single valued sorting is desired, - * but we need some method to get that knowledge... - */ - /* - $attrs = array_reverse($attrs); - foreach ($attrs as $attribute) { - if (!ldap_sort($this->_link, $this->_search, $attribute)){ - $this->raiseError("Sorting failed for Attribute " . $attribute); - } - } - - $results = ldap_get_entries($this->_link, $this->_search); - - unset($results['count']); //for tidier output - if ($order) { - return array_reverse($results); - } else { - return $results; - }*/ - - /* - * New code: complete "client side" sorting - */ - // first some parameterchecks - if (!is_array($attrs)) { - return PEAR::raiseError("Sorting failed: Parameterlist must be an array!"); - } - if ($order != SORT_ASC && $order != SORT_DESC) { - return PEAR::raiseError("Sorting failed: sorting direction not understood! (neither constant SORT_ASC nor SORT_DESC)"); - } - - // fetch the entries data - $entries = $this->as_struct(); - - // now sort each entries attribute values - // this is neccessary because later we can only sort by one value, - // so we need the highest or lowest attribute now, depending on the - // selected ordering for that specific attribute - foreach ($entries as $dn => $entry) { - foreach ($entry as $attr_name => $attr_values) { - sort($entries[$dn][$attr_name]); - if ($order == SORT_DESC) { - array_reverse($entries[$dn][$attr_name]); - } - } - } - - // reformat entrys array for later use with array_multisort() - $to_sort = array(); // <- will be a numeric array similar to ldap_get_entries - foreach ($entries as $dn => $entry_attr) { - $row = array(); - $row['dn'] = $dn; - foreach ($entry_attr as $attr_name => $attr_values) { - $row[$attr_name] = $attr_values; - } - $to_sort[] = $row; - } - - // Build columns for array_multisort() - // each requested attribute is one row - $columns = array(); - foreach ($attrs as $attr_name) { - foreach ($to_sort as $key => $row) { - $columns[$attr_name][$key] =& $to_sort[$key][$attr_name][0]; - } - } - - // sort the colums with array_multisort, if there is something - // to sort and if we have requested sort columns - if (!empty($to_sort) && !empty($columns)) { - $sort_params = ''; - foreach ($attrs as $attr_name) { - $sort_params .= '$columns[\''.$attr_name.'\'], '.$order.', '; - } - eval("array_multisort($sort_params \$to_sort);"); // perform sorting - } - - return $to_sort; - } - - /** - * Return entries sorted as objects - * - * This returns a array with sorted Net_LDAP2_Entry objects. - * The sorting is actually done with {@link sorted_as_struct()}. - * - * Please note that attribute names are case sensitive! - * Also note, that it is (depending on server capabilitys) possible to let - * the server sort your results. This happens through search controls - * and is described in detail at {@link http://www.ietf.org/rfc/rfc2891.txt} - * - * Usage example: - * <code> - * // to sort entries first by location, then by surename, but descending: - * $entries = $search->sorted(array('locality','sn'), SORT_DESC); - * </code> - * - * @param array $attrs Array of sort attributes to sort; order from left to right. - * @param int $order Ordering direction, either constant SORT_ASC or SORT_DESC - * - * @return array|Net_LDAP2_Error Array with sorted Net_LDAP2_Entries or error - * @todo Entry object construction could be faster. Maybe we could use one of the factorys instead of fetching the entry again - */ - public function sorted($attrs = array('cn'), $order = SORT_ASC) - { - $return = array(); - $sorted = $this->sorted_as_struct($attrs, $order); - if (PEAR::isError($sorted)) { - return $sorted; - } - foreach ($sorted as $key => $row) { - $entry = $this->_ldap->getEntry($row['dn'], $this->searchedAttrs()); - if (!PEAR::isError($entry)) { - array_push($return, $entry); - } else { - return $entry; - } - } - return $return; - } - - /** - * Return entries as array - * - * This method returns the entries and the selected attributes values as - * array. - * The first array level contains all found entries where the keys are the - * DNs of the entries. The second level arrays contian the entries attributes - * such that the keys is the lowercased name of the attribute and the values - * are stored in another indexed array. Note that the attribute values are stored - * in an array even if there is no or just one value. - * - * The array has the following structure: - * <code> - * $return = array( - * 'cn=foo,dc=example,dc=com' => array( - * 'sn' => array('foo'), - * 'multival' => array('val1', 'val2', 'valN') - * ) - * 'cn=bar,dc=example,dc=com' => array( - * 'sn' => array('bar'), - * 'multival' => array('val1', 'valN') - * ) - * ) - * </code> - * - * @return array associative result array as described above - */ - public function as_struct() - { - $return = array(); - $entries = $this->entries(); - foreach ($entries as $entry) { - $attrs = array(); - $entry_attributes = $entry->attributes(); - foreach ($entry_attributes as $attr_name) { - $attr_values = $entry->getValue($attr_name, 'all'); - if (!is_array($attr_values)) { - $attr_values = array($attr_values); - } - $attrs[$attr_name] = $attr_values; - } - $return[$entry->dn()] = $attrs; - } - return $return; - } - - /** - * Set the search objects resource link - * - * @param resource &$search Search result identifier - * - * @access public - * @return void - */ - public function setSearch(&$search) - { - $this->_search = $search; - } - - /** - * Set the ldap ressource link - * - * @param resource &$link Link identifier - * - * @access public - * @return void - */ - public function setLink(&$link) - { - $this->_link = $link; - } - - /** - * Returns the number of entries in the searchresult - * - * @return int Number of entries in search. - */ - public function count() - { - // this catches the situation where OL returned errno 32 = no such object! - if (!$this->_search) { - return 0; - } - return @ldap_count_entries($this->_link, $this->_search); - } - - /** - * Get the errorcode the object got in its search. - * - * @return int The ldap error number. - */ - public function getErrorCode() - { - return $this->_errorCode; - } - - /** - * Destructor - * - * @access protected - */ - public function _Net_LDAP2_Search() - { - @ldap_free_result($this->_search); - } - - /** - * Closes search result - * - * @return void - */ - public function done() - { - $this->_Net_LDAP2_Search(); - } - - /** - * Return the attribute names this search selected - * - * @return array - * @see $_searchedAttrs - * @access protected - */ - protected function searchedAttrs() - { - return $this->_searchedAttrs; - } - - /** - * Tells if this search exceeds a sizelimit - * - * @return boolean - */ - public function sizeLimitExceeded() - { - return ($this->getErrorCode() == 4); - } - - - /* - * SPL Iterator interface methods. - * This interface allows to use Net_LDAP2_Search - * objects directly inside a foreach loop! - */ - /** - * SPL Iterator interface: Return the current element. - * - * The SPL Iterator interface allows you to fetch entries inside - * a foreach() loop: <code>foreach ($search as $dn => $entry) { ...</code> - * - * Of course, you may call {@link current()}, {@link key()}, {@link next()}, - * {@link rewind()} and {@link valid()} yourself. - * - * If the search throwed an error, it returns false. - * False is also returned, if the end is reached - * In case no call to next() was made, we will issue one, - * thus returning the first entry. - * - * @return Net_LDAP2_Entry|false - */ - public function current() - { - if (count($this->_iteratorCache) == 0) { - $this->next(); - reset($this->_iteratorCache); - } - $entry = current($this->_iteratorCache); - return ($entry instanceof Net_LDAP2_Entry)? $entry : false; - } - - /** - * SPL Iterator interface: Return the identifying key (DN) of the current entry. - * - * @see current() - * @return string|false DN of the current entry; false in case no entry is returned by current() - */ - public function key() - { - $entry = $this->current(); - return ($entry instanceof Net_LDAP2_Entry)? $entry->dn() :false; - } - - /** - * SPL Iterator interface: Move forward to next entry. - * - * After a call to {@link next()}, {@link current()} will return - * the next entry in the result set. - * - * @see current() - * @return void - */ - public function next() - { - // fetch next entry. - // if we have no entrys anymore, we add false (which is - // returned by shiftEntry()) so current() will complain. - if (count($this->_iteratorCache) - 1 <= $this->count()) { - $this->_iteratorCache[] = $this->shiftEntry(); - } - - // move on array pointer to current element. - // even if we have added all entries, this will - // ensure proper operation in case we rewind() - next($this->_iteratorCache); - } - - /** - * SPL Iterator interface: Check if there is a current element after calls to {@link rewind()} or {@link next()}. - * - * Used to check if we've iterated to the end of the collection. - * - * @see current() - * @return boolean FALSE if there's nothing more to iterate over - */ - public function valid() - { - return ($this->current() instanceof Net_LDAP2_Entry); - } - - /** - * SPL Iterator interface: Rewind the Iterator to the first element. - * - * After rewinding, {@link current()} will return the first entry in the result set. - * - * @see current() - * @return void - */ - public function rewind() - { - reset($this->_iteratorCache); - } -} - -?> diff --git a/extlib/Net/LDAP2/SimpleFileSchemaCache.php b/extlib/Net/LDAP2/SimpleFileSchemaCache.php deleted file mode 100644 index 8019654ac..000000000 --- a/extlib/Net/LDAP2/SimpleFileSchemaCache.php +++ /dev/null @@ -1,97 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4: */ -/** -* File containing the example simple file based Schema Caching class. -* -* PHP version 5 -* -* @category Net -* @package Net_LDAP2 -* @author Benedikt Hallinger <beni@php.net> -* @copyright 2009 Benedikt Hallinger -* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 -* @version SVN: $Id: SimpleFileSchemaCache.php 286718 2009-08-03 07:30:49Z beni $ -* @link http://pear.php.net/package/Net_LDAP2/ -*/ - -/** -* A simple file based schema cacher with cache aging. -* -* Once the cache is too old, the loadSchema() method will return false, so -* Net_LDAP2 will fetch a fresh object from the LDAP server that will -* overwrite the current (outdated) old cache. -*/ -class Net_LDAP2_SimpleFileSchemaCache implements Net_LDAP2_SchemaCache -{ - /** - * Internal config of this cache - * - * @see Net_LDAP2_SimpleFileSchemaCache() - * @var array - */ - protected $config = array( - 'path' => '/tmp/Net_LDAP_Schema.cache', - 'max_age' => 1200 - ); - - /** - * Initialize the simple cache - * - * Config is as following: - * path Complete path to the cache file. - * max_age Maximum age of cache in seconds, 0 means "endlessly". - * - * @param array $cfg Config array - */ - public function Net_LDAP2_SimpleFileSchemaCache($cfg) - { - foreach ($cfg as $key => $value) { - if (array_key_exists($key, $this->config)) { - if (gettype($this->config[$key]) != gettype($value)) { - $this->getCore()->dropFatalError(__CLASS__.": Could not set config! Key $key does not match type ".gettype($this->config[$key])."!"); - } - $this->config[$key] = $value; - } else { - $this->getCore()->dropFatalError(__CLASS__.": Could not set config! Key $key is not defined!"); - } - } - } - - /** - * Return the schema object from the cache - * - * If file is existent and cache has not expired yet, - * then the cache is deserialized and returned. - * - * @return Net_LDAP2_Schema|Net_LDAP2_Error|false - */ - public function loadSchema() - { - $return = false; // Net_LDAP2 will load schema from LDAP - if (file_exists($this->config['path'])) { - $cache_maxage = filemtime($this->config['path']) + $this->config['max_age']; - if (time() <= $cache_maxage || $this->config['max_age'] == 0) { - $return = unserialize(file_get_contents($this->config['path'])); - } - } - return $return; - } - - /** - * Store a schema object in the cache - * - * This method will be called, if Net_LDAP2 has fetched a fresh - * schema object from LDAP and wants to init or refresh the cache. - * - * To invalidate the cache and cause Net_LDAP2 to refresh the cache, - * you can call this method with null or false as value. - * The next call to $ldap->schema() will then refresh the caches object. - * - * @param mixed $schema The object that should be cached - * @return true|Net_LDAP2_Error|false - */ - public function storeSchema($schema) { - file_put_contents($this->config['path'], serialize($schema)); - return true; - } -} diff --git a/extlib/Net/LDAP2/Util.php b/extlib/Net/LDAP2/Util.php deleted file mode 100644 index 48b03f9f9..000000000 --- a/extlib/Net/LDAP2/Util.php +++ /dev/null @@ -1,572 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4: */ -/** -* File containing the Net_LDAP2_Util interface class. -* -* PHP version 5 -* -* @category Net -* @package Net_LDAP2 -* @author Benedikt Hallinger <beni@php.net> -* @copyright 2009 Benedikt Hallinger -* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 -* @version SVN: $Id: Util.php 286718 2009-08-03 07:30:49Z beni $ -* @link http://pear.php.net/package/Net_LDAP2/ -*/ - -/** -* Includes -*/ -require_once 'PEAR.php'; - -/** -* Utility Class for Net_LDAP2 -* -* This class servers some functionality to the other classes of Net_LDAP2 but most of -* the methods can be used separately as well. -* -* @category Net -* @package Net_LDAP2 -* @author Benedikt Hallinger <beni@php.net> -* @license http://www.gnu.org/copyleft/lesser.html LGPL -* @link http://pear.php.net/package/Net_LDAP22/ -*/ -class Net_LDAP2_Util extends PEAR -{ - /** - * Constructor - * - * @access public - */ - public function __construct() - { - // We do nothing here, since all methods can be called statically. - // In Net_LDAP <= 0.7, we needed a instance of Util, because - // it was possible to do utf8 encoding and decoding, but this - // has been moved to the LDAP class. The constructor remains only - // here to document the downward compatibility of creating an instance. - } - - /** - * Explodes the given DN into its elements - * - * {@link http://www.ietf.org/rfc/rfc2253.txt RFC 2253} says, a Distinguished Name is a sequence - * of Relative Distinguished Names (RDNs), which themselves - * are sets of Attributes. For each RDN a array is constructed where the RDN part is stored. - * - * For example, the DN 'OU=Sales+CN=J. Smith,DC=example,DC=net' is exploded to: - * <kbd>array( [0] => array([0] => 'OU=Sales', [1] => 'CN=J. Smith'), [2] => 'DC=example', [3] => 'DC=net' )</kbd> - * - * [NOT IMPLEMENTED] DNs might also contain values, which are the bytes of the BER encoding of - * the X.500 AttributeValue rather than some LDAP string syntax. These values are hex-encoded - * and prefixed with a #. To distinguish such BER values, ldap_explode_dn uses references to - * the actual values, e.g. '1.3.6.1.4.1.1466.0=#04024869,DC=example,DC=com' is exploded to: - * [ { '1.3.6.1.4.1.1466.0' => "\004\002Hi" }, { 'DC' => 'example' }, { 'DC' => 'com' } ]; - * See {@link http://www.vijaymukhi.com/vmis/berldap.htm} for more information on BER. - * - * It also performs the following operations on the given DN: - * - Unescape "\" followed by ",", "+", """, "\", "<", ">", ";", "#", "=", " ", or a hexpair - * and strings beginning with "#". - * - Removes the leading 'OID.' characters if the type is an OID instead of a name. - * - If an RDN contains multiple parts, the parts are re-ordered so that the attribute type names are in alphabetical order. - * - * OPTIONS is a list of name/value pairs, valid options are: - * casefold Controls case folding of attribute types names. - * Attribute values are not affected by this option. - * The default is to uppercase. Valid values are: - * lower Lowercase attribute types names. - * upper Uppercase attribute type names. This is the default. - * none Do not change attribute type names. - * reverse If TRUE, the RDN sequence is reversed. - * onlyvalues If TRUE, then only attributes values are returned ('foo' instead of 'cn=foo') - * - - * @param string $dn The DN that should be exploded - * @param array $options Options to use - * - * @static - * @return array Parts of the exploded DN - * @todo implement BER - */ - public static function ldap_explode_dn($dn, $options = array('casefold' => 'upper')) - { - if (!isset($options['onlyvalues'])) $options['onlyvalues'] = false; - if (!isset($options['reverse'])) $options['reverse'] = false; - if (!isset($options['casefold'])) $options['casefold'] = 'upper'; - - // Escaping of DN and stripping of "OID." - $dn = self::canonical_dn($dn, array('casefold' => $options['casefold'])); - - // splitting the DN - $dn_array = preg_split('/(?<=[^\\\\]),/', $dn); - - // clear wrong splitting (possibly we have split too much) - // /!\ Not clear, if this is neccessary here - //$dn_array = self::correct_dn_splitting($dn_array, ','); - - // construct subarrays for multivalued RDNs and unescape DN value - // also convert to output format and apply casefolding - foreach ($dn_array as $key => $value) { - $value_u = self::unescape_dn_value($value); - $rdns = self::split_rdn_multival($value_u[0]); - if (count($rdns) > 1) { - // MV RDN! - foreach ($rdns as $subrdn_k => $subrdn_v) { - // Casefolding - if ($options['casefold'] == 'upper') $subrdn_v = preg_replace("/^(\w+=)/e", "''.strtoupper('\\1').''", $subrdn_v); - if ($options['casefold'] == 'lower') $subrdn_v = preg_replace("/^(\w+=)/e", "''.strtolower('\\1').''", $subrdn_v); - - if ($options['onlyvalues']) { - preg_match('/(.+?)(?<!\\\\)=(.+)/', $subrdn_v, $matches); - $rdn_ocl = $matches[1]; - $rdn_val = $matches[2]; - $unescaped = self::unescape_dn_value($rdn_val); - $rdns[$subrdn_k] = $unescaped[0]; - } else { - $unescaped = self::unescape_dn_value($subrdn_v); - $rdns[$subrdn_k] = $unescaped[0]; - } - } - - $dn_array[$key] = $rdns; - } else { - // normal RDN - - // Casefolding - if ($options['casefold'] == 'upper') $value = preg_replace("/^(\w+=)/e", "''.strtoupper('\\1').''", $value); - if ($options['casefold'] == 'lower') $value = preg_replace("/^(\w+=)/e", "''.strtolower('\\1').''", $value); - - if ($options['onlyvalues']) { - preg_match('/(.+?)(?<!\\\\)=(.+)/', $value, $matches); - $dn_ocl = $matches[1]; - $dn_val = $matches[2]; - $unescaped = self::unescape_dn_value($dn_val); - $dn_array[$key] = $unescaped[0]; - } else { - $unescaped = self::unescape_dn_value($value); - $dn_array[$key] = $unescaped[0]; - } - } - } - - if ($options['reverse']) { - return array_reverse($dn_array); - } else { - return $dn_array; - } - } - - /** - * Escapes a DN value according to RFC 2253 - * - * Escapes the given VALUES according to RFC 2253 so that they can be safely used in LDAP DNs. - * The characters ",", "+", """, "\", "<", ">", ";", "#", "=" with a special meaning in RFC 2252 - * are preceeded by ba backslash. Control characters with an ASCII code < 32 are represented as \hexpair. - * Finally all leading and trailing spaces are converted to sequences of \20. - * - * @param array $values An array containing the DN values that should be escaped - * - * @static - * @return array The array $values, but escaped - */ - public static function escape_dn_value($values = array()) - { - // Parameter validation - if (!is_array($values)) { - $values = array($values); - } - - foreach ($values as $key => $val) { - // Escaping of filter meta characters - $val = str_replace('\\', '\\\\', $val); - $val = str_replace(',', '\,', $val); - $val = str_replace('+', '\+', $val); - $val = str_replace('"', '\"', $val); - $val = str_replace('<', '\<', $val); - $val = str_replace('>', '\>', $val); - $val = str_replace(';', '\;', $val); - $val = str_replace('#', '\#', $val); - $val = str_replace('=', '\=', $val); - - // ASCII < 32 escaping - $val = self::asc2hex32($val); - - // Convert all leading and trailing spaces to sequences of \20. - if (preg_match('/^(\s*)(.+?)(\s*)$/', $val, $matches)) { - $val = $matches[2]; - for ($i = 0; $i < strlen($matches[1]); $i++) { - $val = '\20'.$val; - } - for ($i = 0; $i < strlen($matches[3]); $i++) { - $val = $val.'\20'; - } - } - - if (null === $val) $val = '\0'; // apply escaped "null" if string is empty - - $values[$key] = $val; - } - - return $values; - } - - /** - * Undoes the conversion done by escape_dn_value(). - * - * Any escape sequence starting with a baskslash - hexpair or special character - - * will be transformed back to the corresponding character. - * - * @param array $values Array of DN Values - * - * @return array Same as $values, but unescaped - * @static - */ - public static function unescape_dn_value($values = array()) - { - // Parameter validation - if (!is_array($values)) { - $values = array($values); - } - - foreach ($values as $key => $val) { - // strip slashes from special chars - $val = str_replace('\\\\', '\\', $val); - $val = str_replace('\,', ',', $val); - $val = str_replace('\+', '+', $val); - $val = str_replace('\"', '"', $val); - $val = str_replace('\<', '<', $val); - $val = str_replace('\>', '>', $val); - $val = str_replace('\;', ';', $val); - $val = str_replace('\#', '#', $val); - $val = str_replace('\=', '=', $val); - - // Translate hex code into ascii - $values[$key] = self::hex2asc($val); - } - - return $values; - } - - /** - * Returns the given DN in a canonical form - * - * Returns false if DN is not a valid Distinguished Name. - * DN can either be a string or an array - * as returned by ldap_explode_dn, which is useful when constructing a DN. - * The DN array may have be indexed (each array value is a OCL=VALUE pair) - * or associative (array key is OCL and value is VALUE). - * - * It performs the following operations on the given DN: - * - Removes the leading 'OID.' characters if the type is an OID instead of a name. - * - Escapes all RFC 2253 special characters (",", "+", """, "\", "<", ">", ";", "#", "="), slashes ("/"), and any other character where the ASCII code is < 32 as \hexpair. - * - Converts all leading and trailing spaces in values to be \20. - * - If an RDN contains multiple parts, the parts are re-ordered so that the attribute type names are in alphabetical order. - * - * OPTIONS is a list of name/value pairs, valid options are: - * casefold Controls case folding of attribute type names. - * Attribute values are not affected by this option. The default is to uppercase. - * Valid values are: - * lower Lowercase attribute type names. - * upper Uppercase attribute type names. This is the default. - * none Do not change attribute type names. - * [NOT IMPLEMENTED] mbcescape If TRUE, characters that are encoded as a multi-octet UTF-8 sequence will be escaped as \(hexpair){2,*}. - * reverse If TRUE, the RDN sequence is reversed. - * separator Separator to use between RDNs. Defaults to comma (','). - * - * Note: The empty string "" is a valid DN, so be sure not to do a "$can_dn == false" test, - * because an empty string evaluates to false. Use the "===" operator instead. - * - * @param array|string $dn The DN - * @param array $options Options to use - * - * @static - * @return false|string The canonical DN or FALSE - * @todo implement option mbcescape - */ - public static function canonical_dn($dn, $options = array('casefold' => 'upper', 'separator' => ',')) - { - if ($dn === '') return $dn; // empty DN is valid! - - // options check - if (!isset($options['reverse'])) { - $options['reverse'] = false; - } else { - $options['reverse'] = true; - } - if (!isset($options['casefold'])) $options['casefold'] = 'upper'; - if (!isset($options['separator'])) $options['separator'] = ','; - - - if (!is_array($dn)) { - // It is not clear to me if the perl implementation splits by the user defined - // separator or if it just uses this separator to construct the new DN - $dn = preg_split('/(?<=[^\\\\])'.$options['separator'].'/', $dn); - - // clear wrong splitting (possibly we have split too much) - $dn = self::correct_dn_splitting($dn, $options['separator']); - } else { - // Is array, check, if the array is indexed or associative - $assoc = false; - foreach ($dn as $dn_key => $dn_part) { - if (!is_int($dn_key)) { - $assoc = true; - } - } - // convert to indexed, if associative array detected - if ($assoc) { - $newdn = array(); - foreach ($dn as $dn_key => $dn_part) { - if (is_array($dn_part)) { - ksort($dn_part, SORT_STRING); // we assume here, that the rdn parts are also associative - $newdn[] = $dn_part; // copy array as-is, so we can resolve it later - } else { - $newdn[] = $dn_key.'='.$dn_part; - } - } - $dn =& $newdn; - } - } - - // Escaping and casefolding - foreach ($dn as $pos => $dnval) { - if (is_array($dnval)) { - // subarray detected, this means very surely, that we had - // a multivalued dn part, which must be resolved - $dnval_new = ''; - foreach ($dnval as $subkey => $subval) { - // build RDN part - if (!is_int($subkey)) { - $subval = $subkey.'='.$subval; - } - $subval_processed = self::canonical_dn($subval); - if (false === $subval_processed) return false; - $dnval_new .= $subval_processed.'+'; - } - $dn[$pos] = substr($dnval_new, 0, -1); // store RDN part, strip last plus - } else { - // try to split multivalued RDNS into array - $rdns = self::split_rdn_multival($dnval); - if (count($rdns) > 1) { - // Multivalued RDN was detected! - // The RDN value is expected to be correctly split by split_rdn_multival(). - // It's time to sort the RDN and build the DN! - $rdn_string = ''; - sort($rdns, SORT_STRING); // Sort RDN keys alphabetically - foreach ($rdns as $rdn) { - $subval_processed = self::canonical_dn($rdn); - if (false === $subval_processed) return false; - $rdn_string .= $subval_processed.'+'; - } - - $dn[$pos] = substr($rdn_string, 0, -1); // store RDN part, strip last plus - - } else { - // no multivalued RDN! - // split at first unescaped "=" - $dn_comp = preg_split('/(?<=[^\\\\])=/', $rdns[0], 2); - $ocl = ltrim($dn_comp[0]); // trim left whitespaces 'cause of "cn=foo, l=bar" syntax (whitespace after comma) - $val = $dn_comp[1]; - - // strip 'OID.', otherwise apply casefolding and escaping - if (substr(strtolower($ocl), 0, 4) == 'oid.') { - $ocl = substr($ocl, 4); - } else { - if ($options['casefold'] == 'upper') $ocl = strtoupper($ocl); - if ($options['casefold'] == 'lower') $ocl = strtolower($ocl); - $ocl = self::escape_dn_value(array($ocl)); - $ocl = $ocl[0]; - } - - // escaping of dn-value - $val = self::escape_dn_value(array($val)); - $val = str_replace('/', '\/', $val[0]); - - $dn[$pos] = $ocl.'='.$val; - } - } - } - - if ($options['reverse']) $dn = array_reverse($dn); - return implode($options['separator'], $dn); - } - - /** - * Escapes the given VALUES according to RFC 2254 so that they can be safely used in LDAP filters. - * - * Any control characters with an ACII code < 32 as well as the characters with special meaning in - * LDAP filters "*", "(", ")", and "\" (the backslash) are converted into the representation of a - * backslash followed by two hex digits representing the hexadecimal value of the character. - * - * @param array $values Array of values to escape - * - * @static - * @return array Array $values, but escaped - */ - public static function escape_filter_value($values = array()) - { - // Parameter validation - if (!is_array($values)) { - $values = array($values); - } - - foreach ($values as $key => $val) { - // Escaping of filter meta characters - $val = str_replace('\\', '\5c', $val); - $val = str_replace('*', '\2a', $val); - $val = str_replace('(', '\28', $val); - $val = str_replace(')', '\29', $val); - - // ASCII < 32 escaping - $val = self::asc2hex32($val); - - if (null === $val) $val = '\0'; // apply escaped "null" if string is empty - - $values[$key] = $val; - } - - return $values; - } - - /** - * Undoes the conversion done by {@link escape_filter_value()}. - * - * Converts any sequences of a backslash followed by two hex digits into the corresponding character. - * - * @param array $values Array of values to escape - * - * @static - * @return array Array $values, but unescaped - */ - public static function unescape_filter_value($values = array()) - { - // Parameter validation - if (!is_array($values)) { - $values = array($values); - } - - foreach ($values as $key => $value) { - // Translate hex code into ascii - $values[$key] = self::hex2asc($value); - } - - return $values; - } - - /** - * Converts all ASCII chars < 32 to "\HEX" - * - * @param string $string String to convert - * - * @static - * @return string - */ - public static function asc2hex32($string) - { - for ($i = 0; $i < strlen($string); $i++) { - $char = substr($string, $i, 1); - if (ord($char) < 32) { - $hex = dechex(ord($char)); - if (strlen($hex) == 1) $hex = '0'.$hex; - $string = str_replace($char, '\\'.$hex, $string); - } - } - return $string; - } - - /** - * Converts all Hex expressions ("\HEX") to their original ASCII characters - * - * @param string $string String to convert - * - * @static - * @author beni@php.net, heavily based on work from DavidSmith@byu.net - * @return string - */ - public static function hex2asc($string) - { - $string = preg_replace("/\\\([0-9A-Fa-f]{2})/e", "''.chr(hexdec('\\1')).''", $string); - return $string; - } - - /** - * Split an multivalued RDN value into an Array - * - * A RDN can contain multiple values, spearated by a plus sign. - * This function returns each separate ocl=value pair of the RDN part. - * - * If no multivalued RDN is detected, an array containing only - * the original rdn part is returned. - * - * For example, the multivalued RDN 'OU=Sales+CN=J. Smith' is exploded to: - * <kbd>array([0] => 'OU=Sales', [1] => 'CN=J. Smith')</kbd> - * - * The method trys to be smart if it encounters unescaped "+" characters, but may fail, - * so ensure escaped "+"es in attr names and attr values. - * - * [BUG] If you have a multivalued RDN with unescaped plus characters - * and there is a unescaped plus sign at the end of an value followed by an - * attribute name containing an unescaped plus, then you will get wrong splitting: - * $rdn = 'OU=Sales+C+N=J. Smith'; - * returns: - * array('OU=Sales+C', 'N=J. Smith'); - * The "C+" is treaten as value of the first pair instead as attr name of the second pair. - * To prevent this, escape correctly. - * - * @param string $rdn Part of an (multivalued) escaped RDN (eg. ou=foo OR ou=foo+cn=bar) - * - * @static - * @return array Array with the components of the multivalued RDN or Error - */ - public static function split_rdn_multival($rdn) - { - $rdns = preg_split('/(?<!\\\\)\+/', $rdn); - $rdns = self::correct_dn_splitting($rdns, '+'); - return array_values($rdns); - } - - /** - * Splits a attribute=value syntax into an array - * - * The split will occur at the first unescaped '=' character. - * - * @param string $attr Attribute and Value Syntax - * - * @return array Indexed array: 0=attribute name, 1=attribute value - */ - public static function split_attribute_string($attr) - { - return preg_split('/(?<!\\\\)=/', $attr, 2); - } - - /** - * Corrects splitting of dn parts - * - * @param array $dn Raw DN array - * @param array $separator Separator that was used when splitting - * - * @return array Corrected array - * @access protected - */ - protected static function correct_dn_splitting($dn = array(), $separator = ',') - { - foreach ($dn as $key => $dn_value) { - $dn_value = $dn[$key]; // refresh value (foreach caches!) - // if the dn_value is not in attr=value format, then we had an - // unescaped separator character inside the attr name or the value. - // We assume, that it was the attribute value. - // [TODO] To solve this, we might ask the schema. Keep in mind, that UTIL class - // must remain independent from the other classes or connections. - if (!preg_match('/.+(?<!\\\\)=.+/', $dn_value)) { - unset($dn[$key]); - if (array_key_exists($key-1, $dn)) { - $dn[$key-1] = $dn[$key-1].$separator.$dn_value; // append to previous attr value - } else { - $dn[$key+1] = $dn_value.$separator.$dn[$key+1]; // first element: prepend to next attr name - } - } - } - return array_values($dn); - } -} - -?> |