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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */
/**
* Storage driver for Authentication on a Kerberos V server.
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.01 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_01.txt. If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category Authentication
* @package Auth
* @author Andrew Teixeira <ateixeira@gmail.com>
* @author Adam Ashley <aashley@php.net>
* @copyright 2001-2006 The PHP Group
* @license http://www.php.net/license/3_01.txt PHP License 3.01
* @version CVS: $Id: KADM5.php,v 1.5 2007/02/02 00:41:14 aashley Exp $
* @link http://pear.php.net/package/Auth
* @since File available since Release 1.4.0
*/
/**
* Include Auth_Container base class
*/
require_once 'Auth/Container.php';
/**
* Include PEAR for error handling
*/
require_once 'PEAR.php';
/**
* Storage driver for Authentication on a Kerberos V server.
*
* Available options:
* hostname: The hostname of the kerberos server
* realm: The Kerberos V realm
* timeout: The timeout for checking the server
* checkServer: Set to true to check if the server is running when
* constructing the object
*
* @category Authentication
* @package Auth
* @author Andrew Teixeira <ateixeira@gmail.com>
* @author Adam Ashley <aashley@php.net>
* @copyright 2001-2006 The PHP Group
* @license http://www.php.net/license/3_01.txt PHP License 3.01
* @version Release: 1.5.0 File: $Revision: 1.5 $
* @link http://pear.php.net/package/Auth
* @since Class available since Release 1.4.0
*/
class Auth_Container_KADM5 extends Auth_Container {
// {{{ properties
/**
* Options for the class
* @var string
*/
var $options = array();
// }}}
// {{{ Auth_Container_KADM5()
/**
* Constructor of the container class
*
* $options can have these keys:
* 'hostname' The hostname of the kerberos server
* 'realm' The Kerberos V realm
* 'timeout' The timeout for checking the server
* 'checkServer' Set to true to check if the server is running when
* constructing the object
*
* @param $options associative array
* @return object Returns an error object if something went wrong
*/
function Auth_Container_KADM5($options) {
if (!extension_loaded('kadm5')) {
return PEAR::raiseError("Cannot use Kerberos V authentication, KADM5 extension not loaded!", 41, PEAR_ERROR_DIE);
}
$this->_setDefaults();
if (isset($options['hostname'])) {
$this->options['hostname'] = $options['hostname'];
}
if (isset($options['realm'])) {
$this->options['realm'] = $options['realm'];
}
if (isset($options['timeout'])) {
$this->options['timeout'] = $options['timeout'];
}
if (isset($options['checkServer'])) {
$this->options['checkServer'] = $options['checkServer'];
}
if ($this->options['checkServer']) {
$this->_checkServer();
}
}
// }}}
// {{{ fetchData()
/**
* Try to login to the KADM5 server
*
* @param string Username
* @param string Password
* @return boolean
*/
function fetchData($username, $password) {
$this->log('Auth_Container_KADM5::fetchData() called.', AUTH_LOG_DEBUG);
if ( ($username == NULL) || ($password == NULL) ) {
return false;
}
$server = $this->options['hostname'];
$realm = $this->options['realm'];
$check = @kadm5_init_with_password($server, $realm, $username, $password);
if ($check == false) {
return false;
} else {
return true;
}
}
// }}}
// {{{ _setDefaults()
/**
* Set some default options
*
* @access private
*/
function _setDefaults() {
$this->options['hostname'] = 'localhost';
$this->options['realm'] = NULL;
$this->options['timeout'] = 10;
$this->options['checkServer'] = false;
}
// }}}
// {{{ _checkServer()
/**
* Check if the given server and port are reachable
*
* @access private
*/
function _checkServer() {
$fp = @fsockopen ($this->options['hostname'], 88, $errno, $errstr, $this->options['timeout']);
if (is_resource($fp)) {
@fclose($fp);
} else {
$message = "Error connecting to Kerberos V server "
.$this->options['hostname'].":".$this->options['port'];
return PEAR::raiseError($message, 41, PEAR_ERROR_DIE);
}
}
// }}}
}
?>
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