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 passwordMethodCrypt extends passwordMethod
24 {
25 function passwordMethodCrypt($config)
26 {
27 }
30 function is_available()
31 {
32 if(function_exists("crypt")){
33 return true;
34 }else{
35 return false;
36 }
37 }
39 function create_template_hash($attrs)
40 {
41 return($this->generate_hash('N0T$3T4N0W').'N0T$3T4N0W');
42 }
45 function generate_hash($pwd)
46 {
47 if ($this->hash == "crypt/standard-des"){
48 $salt = "";
49 for ($i = 0; $i < 2; $i++) {
50 $salt .= get_random_char();
51 }
52 }
54 if ($this->hash == "crypt/enhanced-des"){
55 $salt = "_";
56 for ($i = 0; $i < 8; $i++) {
57 $salt .= get_random_char();
58 }
59 }
61 if ($this->hash == "crypt/md5"){
62 $salt = "\$1\$";
63 for ($i = 0; $i < 8; $i++) {
64 $salt .= get_random_char();
65 }
66 $salt .= "\$";
67 }
69 if ($this->hash == "crypt/blowfish"){
70 $salt = "\$2a\$07\$";
71 for ($i = 0; $i < CRYPT_SALT_LENGTH; $i++) {
72 $salt .= get_random_char();
73 }
74 $salt .= "\$";
75 }
77 return "{CRYPT}".crypt($pwd, $salt);
78 }
81 function get_hash_name()
82 {
83 $hashes= array();
84 if (CRYPT_STD_DES == 1) {
85 $hashes[]= "crypt/standard-des";
86 }
88 if (CRYPT_EXT_DES == 1) {
89 $hashes[]= "crypt/enhanced-des";
90 }
92 if (CRYPT_MD5 == 1) {
93 $hashes[]= "crypt/md5";
94 }
96 if (CRYPT_BLOWFISH == 1) {
97 $hashes[]= "crypt/blowfish";
98 }
100 return $hashes;
101 }
104 function _extract_method($password_hash)
105 {
106 if (!preg_match('/^{crypt}/i', $password_hash)){
107 return "";
108 }
110 $password_hash= preg_replace('/^{[^}]+}!?/', '', $password_hash);
112 if (preg_match("/^[a-zA-Z0-9.\/][a-zA-Z0-9.\/]/", $password_hash)){
113 return "crypt/standard-des";
114 }
116 if (preg_match("/^_[a-zA-Z0-9.\/]/", $password_hash)){
117 return "crypt/enhanced-des";
118 }
120 if (preg_match('/^\$1\$/', $password_hash)){
121 return "crypt/md5";
122 }
124 if (preg_match('/^(\$2\$|\$2a\$)/', $password_hash)){
125 return "crypt/blowfish";
126 }
128 return "";
129 }
131 }
133 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
134 ?>