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<?php
//
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.02 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Michael Bretterklieber <michael@bretterklieber.com> |
// +----------------------------------------------------------------------+
//
// $Id: RADIUS.php,v 1.7 2003/05/13 19:27:35 mbretter Exp $
//
require_once "Auth/Container.php";
require_once "Auth/RADIUS.php";
/**
* Storage driver for authenticating users against RADIUS servers.
*
* @author Michael Bretterklieber <michael@bretterklieber.com>
* @access public
* @version $Revision: 1.7 $
*/
class Auth_Container_RADIUS extends Auth_Container
{
/**
* Contains a RADIUS object
* @var object
*/
var $radius;
/**
* Contains the authentication type
* @var string
*/
var $authtype;
/**
* Constructor of the container class.
*
* $options can have these keys:
* 'servers' an array containing an array: servername, port,
* sharedsecret, timeout, maxtries
* 'configfile' The filename of the configuration file
* 'authtype' The type of authentication, one of: PAP, CHAP_MD5,
* MSCHAPv1, MSCHAPv2, default is PAP
*
* @param $options associative array
* @return object Returns an error object if something went wrong
*/
function Auth_Container_RADIUS($options)
{
$this->authtype = 'PAP';
if (isset($options['authtype'])) {
$this->authtype = $options['authtype'];
}
$classname = 'Auth_RADIUS_' . $this->authtype;
if (!class_exists($classname)) {
PEAR::raiseError("Unknown Authtype, please use on of: PAP, CHAP_MD5, MSCHAPv1, MSCHAPv2!",
41, PEAR_ERROR_DIE);
}
$this->radius = new $classname;
if (isset($options['configfile'])) {
$this->radius->setConfigfile($options['configfile']);
}
$servers = $options['servers'];
if (is_array($servers)) {
foreach ($servers as $server) {
$servername = $server[0];
$port = isset($server[1]) ? $server[1] : 0;
$sharedsecret = isset($server[2]) ? $server[2] : 'testing123';
$timeout = isset($server[3]) ? $server[3] : 3;
$maxtries = isset($server[4]) ? $server[4] : 3;
$this->radius->addServer($servername, $port, $sharedsecret, $timeout, $maxtries);
}
}
if (!$this->radius->start()) {
PEAR::raiseError($this->radius->getError(), 41, PEAR_ERROR_DIE);
}
}
/**
* Authenticate
*
* @param string Username
* @param string Password
* @return bool true on success, false on reject
*/
function fetchData($username, $password, $challenge = null)
{
switch($this->authtype) {
case 'CHAP_MD5':
case 'MSCHAPv1':
if (isset($challenge)) {
echo $password;
$this->radius->challenge = $challenge;
$this->radius->chapid = 1;
$this->radius->response = pack('H*', $password);
} else {
require_once 'Crypt_CHAP/CHAP.php';
$classname = 'Crypt_' . $this->authtype;
$crpt = new $classname;
$crpt->password = $password;
$this->radius->challenge = $crpt->challenge;
$this->radius->chapid = $crpt->chapid;
$this->radius->response = $crpt->challengeResponse();
break;
}
case 'MSCHAPv2':
require_once 'Crypt_CHAP/CHAP.php';
$crpt = new Crypt_MSCHAPv2;
$crpt->username = $username;
$crpt->password = $password;
$this->radius->challenge = $crpt->authChallenge;
$this->radius->peerChallenge = $crpt->peerChallenge;
$this->radius->chapid = $crpt->chapid;
$this->radius->response = $crpt->challengeResponse();
break;
default:
$this->radius->password = $password;
break;
}
$this->radius->username = $username;
$this->radius->putAuthAttributes();
$result = $this->radius->send();
if (PEAR::isError($result)) {
return false;
}
$this->radius->getAttributes();
// just for debugging
// $this->radius->dumpAttributes();
return $result;
}
}
?>
|
