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<?php
/*
* This code is part of GOsa (http://www.gosa-project.org)
* Copyright (C) 2003-2008 GONICUS GmbH
*
* ID: $$Id: class_password-methods-crypt.inc 15380 2010-01-27 14:03:19Z cajus $$
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
class passwordMethodCrypt extends passwordMethod
{
function __construct($config)
{
}
function is_available()
{
if(function_exists("crypt")){
return true;
}else{
return false;
}
}
function create_template_hash($attrs)
{
return($this->generate_hash('N0T$3T4N0W').'N0T$3T4N0W');
}
function generate_hash($pwd)
{
if ($this->hash == "crypt/standard-des"){
$salt = "";
for ($i = 0; $i < 2; $i++) {
$salt .= get_random_char();
}
}
if ($this->hash == "crypt/enhanced-des"){
$salt = "_";
for ($i = 0; $i < 8; $i++) {
$salt .= get_random_char();
}
}
if ($this->hash == "crypt/md5"){
$salt = "\$1\$";
for ($i = 0; $i < 8; $i++) {
$salt .= get_random_char();
}
$salt .= "\$";
}
if ($this->hash == "crypt/blowfish"){
$salt = "\$2a\$07\$";
for ($i = 0; $i < CRYPT_SALT_LENGTH; $i++) {
$salt .= get_random_char();
}
$salt .= "\$";
}
return "{CRYPT}".crypt($pwd, $salt);
}
function get_hash_name()
{
$hashes= array();
if (CRYPT_STD_DES == 1) {
$hashes[]= "crypt/standard-des";
}
if (CRYPT_EXT_DES == 1) {
$hashes[]= "crypt/enhanced-des";
}
if (CRYPT_MD5 == 1) {
$hashes[]= "crypt/md5";
}
if (CRYPT_BLOWFISH == 1) {
$hashes[]= "crypt/blowfish";
}
return $hashes;
}
function _extract_method($password_hash)
{
if (!preg_match('/^{crypt}/i', $password_hash)){
return "";
}
$password_hash= preg_replace('/^{[^}]+}!?/', '', $password_hash);
if (preg_match("/^[a-zA-Z0-9.\/][a-zA-Z0-9.\/]/", $password_hash)){
return "crypt/standard-des";
}
if (preg_match("/^_[a-zA-Z0-9.\/]/", $password_hash)){
return "crypt/enhanced-des";
}
if (preg_match('/^\$1\$/', $password_hash)){
return "crypt/md5";
}
if (preg_match('/^(\$2\$|\$2a\$)/', $password_hash)){
return "crypt/blowfish";
}
return "";
}
}
// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
?>
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