Petr Škoda
133 lines
3.6 KiB
PHP
133 lines
3.6 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Authentication Plugin: PAM Authentication
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*
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* PAM (Pluggable Authentication Modules) for Moodle
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*
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* Description:
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* Authentication by using the PHP4 PAM module:
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* http://www.math.ohio-state.edu/~ccunning/pam_auth/
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*
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* Version 0.3 2006/09/07 by Jonathan Harker (plugin class)
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* Version 0.2: 2004/09/01 by Martin V�geli (stable version)
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* Version 0.1: 2004/08/30 by Martin V�geli (first draft)
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*
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* Contact: martinvoegeli@gmx.ch
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* Website 1: http://elearning.zhwin.ch/
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* Website 2: http://birdy1976.com/
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*
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* @package auth_pam
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* @author Martin Dougiamas
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* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
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*/
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defined('MOODLE_INTERNAL') || die();
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require_once($CFG->libdir.'/authlib.php');
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/**
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* PAM authentication plugin.
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*/
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class auth_plugin_pam extends auth_plugin_base {
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/**
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* Store error messages from pam authentication attempts.
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*/
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var $lasterror;
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/**
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* Constructor.
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*/
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function auth_plugin_pam() {
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$this->authtype = 'pam';
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$this->config = get_config('auth/pam');
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$this->errormessage = '';
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}
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/**
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* Returns true if the username and password work and false if they are
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* wrong or don't exist.
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*
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* @param string $username The username
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* @param string $password The password
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* @return bool Authentication success or failure.
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*/
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function user_login ($username, $password) {
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// variable to store possible errors during authentication
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$errormessage = str_repeat(' ', 2048);
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// just for testing and debugging
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// error_reporting(E_ALL);
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// call_time_pass_reference of errormessage is deprecated - throws warnings in multiauth
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//if (pam_auth($username, $password, &$errormessage)) {
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if (pam_auth($username, $password)) {
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return true;
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}
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else {
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$this->lasterror = $errormessage;
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return false;
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}
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}
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function prevent_local_passwords() {
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return true;
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}
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/**
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* Returns true if this authentication plugin is 'internal'.
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*
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* @return bool
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*/
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function is_internal() {
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return false;
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}
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/**
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* Returns true if this authentication plugin can change the user's
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* password.
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*
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* @return bool
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*/
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function can_change_password() {
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return false;
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}
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/**
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* Prints a form for configuring this authentication plugin.
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*
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* This function is called from admin/auth.php, and outputs a full page with
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* a form for configuring this plugin.
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*
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* @param array $page An object containing all the data for this page.
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*/
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function config_form($config, $err, $user_fields) {
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include "config.html";
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}
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/**
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* Processes and stores configuration data for this authentication plugin.
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*/
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function process_config($config) {
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return true;
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}
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}
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