Subversion Repositories Applications.gtt

<?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;

    }

}

?>