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<?php
/*
This code is part of FusionDirectory (http://www.fusiondirectory.org/)
Copyright (C) 2003-2010 Cajus Pollmeier
Copyright (C) 2011-2013 FusionDirectory
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/*!
* \file class_password-methods-crypt.inc
* Source code for class passwordMethodCrypt
*/
/*!
* \brief This class contains all the functions for crypt password methods
* \see passwordMethod
*/
class passwordMethodCrypt extends passwordMethod
{
/*!
* \brief passwordMethodCrypt Constructor
*
* \param string $config
*/
function __construct($config)
{
}
/*!
* \brief Is available
*
* \return TRUE if is avaibable, otherwise return false
*/
function is_available()
{
if (function_exists("crypt")) {
return TRUE;
} else {
return FALSE;
}
}
/*!
* \brief Create template hash
*
* \param string $attrs
*/
function create_template_hash($attrs)
{
return $this->generate_hash('N0T$3T4N0W').'N0T$3T4N0W';
}
/*!
* \brief Generate template hash
*
* \param string $pwd Password
*/
function generate_hash($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();
}
$salt .= "\$";
}
if ($this->hash == "crypt/sha-256") {
$salt = "\$5\$";
for ($i = 0; $i < 16; $i++) {
$salt .= get_random_char();
}
$salt .= "\$";
}
if ($this->hash == "crypt/sha-512") {
$salt = "\$6\$";
for ($i = 0; $i < 16; $i++) {
$salt .= get_random_char();
}
$salt .= "\$";
}
return "{CRYPT}".crypt($pwd, $salt);
}
/*!
* \brief Get the hash name
*/
static 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";
}
if (CRYPT_SHA256 == 1) {
$hashes[] = "crypt/sha-256";
}
if (CRYPT_SHA512 == 1) {
$hashes[] = "crypt/sha-512";
}
return $hashes;
}
/*!
* \brief Extract a method
*
* \param string $password_hash
*/
static function _extract_method($classname, $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";
}
if (preg_match('/^\$5\$/', $password_hash)) {
return "crypt/sha-256";
}
if (preg_match('/^\$6\$/', $password_hash)) {
return "crypt/sha-512";
}
return "";
}
}
?>
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