mirror of
https://gitlab.easter-eggs.com/ee/ldapsaisie.git
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270 lines
8.6 KiB
PHP
270 lines
8.6 KiB
PHP
<?php
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/*******************************************************************************
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* Copyright (C) 2007 Easter-eggs
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* http://ldapsaisie.labs.libre-entreprise.org
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*
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* Author: See AUTHORS file in top-level directory.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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******************************************************************************/
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/**
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* Ldap attribute type password
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*
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*/
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class LSattr_ldap_password extends LSattr_ldap {
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var $clearPassword = NULL;
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/**
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* Return the display value of this attribute
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*
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* @param[in] $data mixed The value of this attribute
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*
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* @retval mixed The display value of this attribute
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*/
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public function getDisplayValue($data) {
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if ($this -> getConfig('ldap_options.displayClearValue', false, 'bool')) {
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if (is_array($data)) {
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$ret=array();
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$wildcardPassword = $this -> getConfig('ldap_options.wildcardPassword');
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$encodedWildcardPassword = $this -> getConfig('ldap_options.encodedWildcardPassword');
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foreach($data as $p) {
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if ($p == $wildcardPassword || $p == $encodedWildcardPassword) {
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continue;
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}
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$ret[]=$p;
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}
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return $ret;
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}
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else {
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return $data;
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}
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}
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else {
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return '********';
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}
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}
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/**
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* Return the value of this attribute to be stocked
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*
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* Note : Password encoding was strongly inspired of the project phpLdapAdmin.
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* URL : http://phpldapadmin.sourceforge.net/
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*
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* @param[in] $data mixed The attribute value
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*
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* @retval mixed The value of this attribute to be stocked
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*/
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public function getUpdateData($data) {
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$this -> clearPassword = $data[0];
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$data=array();
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$data[]=$this -> encodePassword($this -> clearPassword);
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// Wildcard Password
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$wildcardPassword = $this -> getConfig('ldap_options.wildcardPassword');
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if ($wildcardPassword) {
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if (!is_array($wildcardPassword)) {
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$data[] = $this -> encodePassword($wildcardPassword);
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}
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else {
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foreach($wildcardPassword as $pwd) {
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$data[] = $this -> encodePassword($pwd);
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}
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}
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}
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// Wildcard Password already encoded
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$encodedWildcardPassword = $this -> getConfig('ldap_options.encodedWildcardPassword');
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if ($encodedWildcardPassword) {
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if (!is_array($encodedWildcardPassword)) {
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$data[] = $encodedWildcardPassword;
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}
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else {
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$data = array_merge($data, $encodedWildcardPassword);
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}
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}
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return $data;
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}
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/**
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* Encode the password
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*
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* Note : Password encoding was strongly inspired of the project phpLdapAdmin.
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* URL : http://phpldapadmin.sourceforge.net/
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*
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* @param[in] $clearPassword string The clear password
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*
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* @retval strinf The encode password
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*/
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public function encodePassword($clearPassword) {
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$encode = $this -> getConfig('ldap_options.encode', 'md5crypt', 'string');
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$encode_function = $this -> getConfig('ldap_options.encode_function');
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if ($encode_function || $encode == 'function') {
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if ( (!$encode_function) || (!is_callable($encode_function)) ) {
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$encode = 'clear';
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$encode_function = null;
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LSerror :: addErrorCode('LSattr_ldap_password_02', ($encode_function?$encode_function:__('undefined')));
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}
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else {
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$encode = 'function';
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}
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}
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switch($encode) {
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case 'crypt':
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if ($this -> getConfig('ldap_options.no_random_crypt_salt')) {
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return '{CRYPT}' . crypt($clearPassword,substr($clearPassword,0,2));
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}
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else {
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return '{CRYPT}' . crypt($clearPassword,$this -> getSalt(2));
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}
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break;
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case 'ext_des':
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if ( ! defined( 'CRYPT_EXT_DES' ) || CRYPT_EXT_DES == 0 ) {
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LSerror :: addErrorCode('LSattr_ldap_password_01','ext_des');
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}
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else {
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return '{CRYPT}' . crypt( $clearPassword, '_' . $this -> getSalt(8) );
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}
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break;
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case 'blowfish':
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if( ! defined( 'CRYPT_BLOWFISH' ) || CRYPT_BLOWFISH == 0 ) {
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LSerror :: addErrorCode('LSattr_ldap_password_01','blowfish');
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}
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else {
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return '{CRYPT}' . crypt( $clearPassword, '$2a$12$' . $this -> getSalt(13) );
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}
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break;
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case 'sha':
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if( function_exists('sha1') ) {
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return '{SHA}' . base64_encode( pack( 'H*' , sha1( $clearPassword ) ) );
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}
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elseif( function_exists( 'mhash' ) ) {
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return '{SHA}' . base64_encode( mhash( MHASH_SHA1, $clearPassword ) );
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} else {
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LSerror :: addErrorCode('LSattr_ldap_password_01','sha');
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}
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break;
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case 'sha256':
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case 'sha512':
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switch($encode) {
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case 'sha256':
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$mhash_type = MHASH_SHA256;
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break;
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case 'sha512':
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$mhash_type = MHASH_SHA512;
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break;
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}
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if( function_exists( 'mhash' ) ) {
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return '{'.strtoupper($encode).'}' . base64_encode( mhash( $mhash_type, $clearPassword ) );
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} else {
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LSerror :: addErrorCode('LSattr_ldap_password_01', $encode);
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}
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break;
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case 'ssha':
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case 'ssha256':
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case 'ssha512':
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switch($encode) {
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case 'ssha':
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$mhash_type = MHASH_SHA1;
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break;
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case 'ssha256':
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$mhash_type = MHASH_SHA256;
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break;
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case 'ssha512':
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$mhash_type = MHASH_SHA512;
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break;
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}
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if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) ) {
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mt_srand( (double) microtime() * 1000000 );
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$salt = mhash_keygen_s2k( $mhash_type, $clearPassword, substr( pack( "h*", md5( mt_rand() ) ), 0, 8 ), 4 );
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return "{".strtoupper($encode)."}".base64_encode( mhash( $mhash_type, $clearPassword.$salt ).$salt );
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}
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else {
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LSerror :: addErrorCode('LSattr_ldap_password_01', $encode);
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}
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break;
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case 'smd5':
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if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) ) {
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mt_srand( (double) microtime() * 1000000 );
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$salt = mhash_keygen_s2k( MHASH_MD5, $password_clear, substr( pack( "h*", md5( mt_rand() ) ), 0, 8 ), 4 );
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return "{SMD5}".base64_encode( mhash( MHASH_MD5, $password_clear.$salt ).$salt );
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}
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else {
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LSerror :: addErrorCode('LSattr_ldap_password_01','smd5');
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}
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break;
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case 'md5':
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return '{MD5}' . base64_encode( pack( 'H*' , md5( $clearPassword ) ) );
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break;
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case 'md5crypt':
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if( ! defined( 'CRYPT_MD5' ) || CRYPT_MD5 == 0 ) {
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LSerror :: addErrorCode('LSattr_ldap_password_01','md5crypt');
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}
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else {
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return '{CRYPT}'.crypt($clearPassword,'$1$'.$this -> getSalt().'$');
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}
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break;
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case 'clear':
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return $clearPassword;
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break;
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case 'function':
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return call_user_func_array($encode_function, array(&$this -> attribute -> ldapObject, $clearPassword));
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break;
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}
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LSerror :: addErrorCode('LSattr_ldap_password_01', $encode);
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return $clearPassword;
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}
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/**
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* Return salt (random string)
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*
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* @param[in] integer Number of caracters in this salt
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*
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* @retval string A salt
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*/
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public static function getSalt($length=8) {
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$pattern = "1234567890abcdefghijklmnopqrstuvwxyz";
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$key = $pattern{rand(0,35)};
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for($i=1;$i<$length;$i++)
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{
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$key .= $pattern{rand(0,35)};
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}
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return $key;
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}
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/**
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* Return the password in clear text
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*
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* @retval string The password in clear text
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*/
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public function getClearPassword() {
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return $this -> clearPassword;
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}
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}
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/**
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* Error Codes
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**/
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LSerror :: defineError('LSattr_ldap_password_01',
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_("LSattr_ldap_password : Encoding type %{type} is not supported. This password will be stored in clear text.")
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);
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LSerror :: defineError('LSattr_ldap_password_02',
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_("LSattr_ldap_password : Encoding function %{function} is not callable. This password will be stored in clear text.")
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);
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