1 <?php
2 /*
3 * This code is part of GOsa (http://www.gosa-project.org)
4 * Copyright (C) 2003-2008 GONICUS GmbH
5 *
6 * ID: $$Id$$
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
23 class passwordMethod
24 {
25 var $config = false;
26 var $attrs= array();
27 var $hash= "";
29 // Konstructor
30 function passwordMethod($config)
31 {
32 }
35 function get_hash_name()
36 {
37 }
40 // Loads Methods in annother way as get_available_methods do, (For setup ..)
41 // and loads them,.
42 #FIXME: This stopped working after moving around pw-methods
43 function get_available_methods_if_not_loaded($path_to_load="../include")
44 {
45 $oh = opendir($path_to_load);
46 $i = 0;
47 $ret = false;
48 while ($file = readdir($oh)) {
49 $one = strtolower($file);
50 if((strstr($one,"class_password-methods-" ))&&($one[0]!=".")){
51 require_once($file);
52 }
53 }
54 return(passwordMethod::get_available_methods());
55 }
58 // this function returns all loaded classes for password encryption
59 static function get_available_methods()
60 {
61 global $class_mapping, $config;
62 $ret =false;
63 $i =0;
64 foreach($class_mapping as $class => $path) {
65 if(preg_match('/passwordMethod/i', $class) && !preg_match("/^passwordMethod$/i", $class)){
66 $name = preg_replace ("/passwordMethod/i", "", $class);
67 $test = new $class($config, "");
68 if($test->is_available()) {
69 $plugs= $test->get_hash_name();
70 if (!is_array($plugs)){
71 $plugs= array($plugs);
72 }
74 foreach ($plugs as $plugname){
75 $ret['name'][$i]= $plugname;
76 $ret['class'][$i]=$class;
77 $ret[$i]['name']= $plugname;
78 $ret[$i]['class']= $class;
79 $ret[$plugname]=$class;
80 $i++;
81 }
82 }
83 }
84 }
86 return($ret);
87 }
90 // Method to let password backends remove additional information besides
91 // the userPassword attribute
92 function remove_from_parent()
93 {
94 }
97 // Method to let passwords backends manage additional information
98 // besides the userAttribute entry
99 function set_password($password)
100 {
101 }
104 // Return true if this password method provides a configuration dialog
105 function is_configurable()
106 {
107 return FALSE;
108 }
111 // Provide a subdialog to configure a password method
112 function configure()
113 {
114 return "";
115 }
118 // Save information to LDAP
119 function save($dn)
120 {
121 }
124 // Try to find out if it's our hash...
125 static function get_method($password_hash)
126 {
127 global $config;
129 $methods= passwordMethod::get_available_methods();
131 foreach ($methods['class'] as $class){
133 $test = new $class($config);
134 if(!$test->is_available())continue;
135 $method= $test->_extract_method($password_hash);
136 if ($method != ""){
137 $test->set_hash($method);
138 return $test;
139 }
140 }
142 msg_dialog::display(_("Error"), _("Cannot find a suitable password method for the current hash!"), ERROR_DIALOG);
144 return NULL;
145 }
148 function _extract_method($password_hash)
149 {
150 $hash= $this->get_hash_name();
151 if (preg_match("/^\{$hash\}/i", $password_hash)){
152 return $hash;
153 }
155 return "";
156 }
159 static function make_hash($password, $hash)
160 {
161 global $config;
163 $methods= passwordMethod::get_available_methods();
164 $tmp= new $methods[$hash]($config);
165 $tmp->set_hash($hash);
166 return $tmp->generate_hash($password);
167 }
170 function set_hash($hash)
171 {
172 $this->hash= $hash;
173 }
176 function get_hash()
177 {
178 return $this->hash;
179 }
181 }
182 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
183 ?>