You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
318 lines
11 KiB
PHP
318 lines
11 KiB
PHP
<?php
|
|
|
|
/**
|
|
* LDAP Password Driver
|
|
*
|
|
* Driver for passwords stored in LDAP
|
|
* This driver use the PEAR Net_LDAP2 class (http://pear.php.net/package/Net_LDAP2).
|
|
*
|
|
* @version 1.1 (2010-04-07)
|
|
* @author Edouard MOREAU <edouard.moreau@ensma.fr>
|
|
*
|
|
* function hashPassword based on code from the phpLDAPadmin development team (http://phpldapadmin.sourceforge.net/).
|
|
* function randomSalt based on code from the phpLDAPadmin development team (http://phpldapadmin.sourceforge.net/).
|
|
*
|
|
*/
|
|
|
|
function password_save($curpass, $passwd)
|
|
{
|
|
$rcmail = rcmail::get_instance();
|
|
require_once ('Net/LDAP2.php');
|
|
|
|
// Building user DN
|
|
if ($userDN = $rcmail->config->get('password_ldap_userDN_mask')) {
|
|
$userDN = substitute_vars($userDN);
|
|
} else {
|
|
$userDN = search_userdn($rcmail);
|
|
}
|
|
|
|
if (empty($userDN)) {
|
|
return PASSWORD_CONNECT_ERROR;
|
|
}
|
|
|
|
// Connection Method
|
|
switch($rcmail->config->get('password_ldap_method')) {
|
|
case 'admin':
|
|
$binddn = $rcmail->config->get('password_ldap_adminDN');
|
|
$bindpw = $rcmail->config->get('password_ldap_adminPW');
|
|
break;
|
|
case 'user':
|
|
default:
|
|
$binddn = $userDN;
|
|
$bindpw = $curpass;
|
|
break;
|
|
}
|
|
|
|
// Configuration array
|
|
$ldapConfig = array (
|
|
'binddn' => $binddn,
|
|
'bindpw' => $bindpw,
|
|
'basedn' => $rcmail->config->get('password_ldap_basedn'),
|
|
'host' => $rcmail->config->get('password_ldap_host'),
|
|
'port' => $rcmail->config->get('password_ldap_port'),
|
|
'starttls' => $rcmail->config->get('password_ldap_starttls'),
|
|
'version' => $rcmail->config->get('password_ldap_version'),
|
|
);
|
|
|
|
// Connecting using the configuration array
|
|
$ldap = Net_LDAP2::connect($ldapConfig);
|
|
|
|
// Checking for connection error
|
|
if (PEAR::isError($ldap)) {
|
|
return PASSWORD_CONNECT_ERROR;
|
|
}
|
|
|
|
$crypted_pass = hashPassword($passwd, $rcmail->config->get('password_ldap_encodage'));
|
|
$force = $rcmail->config->get('password_ldap_force_replace');
|
|
$pwattr = $rcmail->config->get('password_ldap_pwattr');
|
|
$lchattr = $rcmail->config->get('password_ldap_lchattr');
|
|
$smbpwattr = $rcmail->config->get('password_ldap_samba_pwattr');
|
|
$smblchattr = $rcmail->config->get('password_ldap_samba_lchattr');
|
|
$samba = $rcmail->config->get('password_ldap_samba');
|
|
|
|
// Support password_ldap_samba option for backward compat.
|
|
if ($samba && !$smbpwattr) {
|
|
$smbpwattr = 'sambaNTPassword';
|
|
$smblchattr = 'sambaPwdLastSet';
|
|
}
|
|
|
|
// Crypt new password
|
|
if (!$crypted_pass) {
|
|
return PASSWORD_CRYPT_ERROR;
|
|
}
|
|
|
|
// Crypt new samba password
|
|
if ($smbpwattr && !($samba_pass = hashPassword($passwd, 'samba'))) {
|
|
return PASSWORD_CRYPT_ERROR;
|
|
}
|
|
|
|
// Writing new crypted password to LDAP
|
|
$userEntry = $ldap->getEntry($userDN);
|
|
if (Net_LDAP2::isError($userEntry)) {
|
|
return PASSWORD_CONNECT_ERROR;
|
|
}
|
|
|
|
if (!$userEntry->replace(array($pwattr => $crypted_pass), $force)) {
|
|
return PASSWORD_CONNECT_ERROR;
|
|
}
|
|
|
|
// Updating PasswordLastChange Attribute if desired
|
|
if ($lchattr) {
|
|
$current_day = (int)(time() / 86400);
|
|
if (!$userEntry->replace(array($lchattr => $current_day), $force)) {
|
|
return PASSWORD_CONNECT_ERROR;
|
|
}
|
|
}
|
|
|
|
// Update Samba password and last change fields
|
|
if ($smbpwattr) {
|
|
$userEntry->replace(array($smbpwattr => $samba_pass), $force);
|
|
}
|
|
// Update Samba password last change field
|
|
if ($smblchattr) {
|
|
$userEntry->replace(array($smblchattr => time()), $force);
|
|
}
|
|
|
|
if (Net_LDAP2::isError($userEntry->update())) {
|
|
return PASSWORD_CONNECT_ERROR;
|
|
}
|
|
|
|
// All done, no error
|
|
return PASSWORD_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* Bind with searchDN and searchPW and search for the user's DN.
|
|
* Use search_base and search_filter defined in config file.
|
|
* Return the found DN.
|
|
*/
|
|
function search_userdn($rcmail)
|
|
{
|
|
$ldapConfig = array (
|
|
'binddn' => $rcmail->config->get('password_ldap_searchDN'),
|
|
'bindpw' => $rcmail->config->get('password_ldap_searchPW'),
|
|
'basedn' => $rcmail->config->get('password_ldap_basedn'),
|
|
'host' => $rcmail->config->get('password_ldap_host'),
|
|
'port' => $rcmail->config->get('password_ldap_port'),
|
|
'starttls' => $rcmail->config->get('password_ldap_starttls'),
|
|
'version' => $rcmail->config->get('password_ldap_version'),
|
|
);
|
|
|
|
$ldap = Net_LDAP2::connect($ldapConfig);
|
|
|
|
if (PEAR::isError($ldap)) {
|
|
return '';
|
|
}
|
|
|
|
$base = $rcmail->config->get('password_ldap_search_base');
|
|
$filter = substitute_vars($rcmail->config->get('password_ldap_search_filter'));
|
|
$options = array (
|
|
'scope' => 'sub',
|
|
'attributes' => array(),
|
|
);
|
|
|
|
$result = $ldap->search($base, $filter, $options);
|
|
$ldap->done();
|
|
if (PEAR::isError($result) || ($result->count() != 1)) {
|
|
return '';
|
|
}
|
|
|
|
return $result->current()->dn();
|
|
}
|
|
|
|
/**
|
|
* Substitute %login, %name, %domain, %dc in $str.
|
|
* See plugin config for details.
|
|
*/
|
|
function substitute_vars($str)
|
|
{
|
|
$rcmail = rcmail::get_instance();
|
|
$domain = $rcmail->user->get_username('domain');
|
|
$dc = 'dc='.strtr($domain, array('.' => ',dc=')); // hierarchal domain string
|
|
|
|
$str = str_replace(array(
|
|
'%login',
|
|
'%name',
|
|
'%domain',
|
|
'%dc',
|
|
), array(
|
|
$_SESSION['username'],
|
|
$rcmail->user->get_username('local'),
|
|
$domain,
|
|
$dc,
|
|
), $str
|
|
);
|
|
|
|
return $str;
|
|
}
|
|
|
|
|
|
/**
|
|
* Code originaly from the phpLDAPadmin development team
|
|
* http://phpldapadmin.sourceforge.net/
|
|
*
|
|
* Hashes a password and returns the hash based on the specified enc_type.
|
|
*
|
|
* @param string $passwordClear The password to hash in clear text.
|
|
* @param string $encodageType Standard LDAP encryption type which must be one of
|
|
* crypt, ext_des, md5crypt, blowfish, md5, sha, smd5, ssha, or clear.
|
|
* @return string The hashed password.
|
|
*
|
|
*/
|
|
|
|
function hashPassword( $passwordClear, $encodageType )
|
|
{
|
|
$encodageType = strtolower( $encodageType );
|
|
switch( $encodageType ) {
|
|
case 'crypt':
|
|
$cryptedPassword = '{CRYPT}' . crypt($passwordClear,randomSalt(2));
|
|
break;
|
|
|
|
case 'ext_des':
|
|
// extended des crypt. see OpenBSD crypt man page.
|
|
if ( ! defined( 'CRYPT_EXT_DES' ) || CRYPT_EXT_DES == 0 ) {
|
|
// Your system crypt library does not support extended DES encryption.
|
|
return FALSE;
|
|
}
|
|
$cryptedPassword = '{CRYPT}' . crypt( $passwordClear, '_' . randomSalt(8) );
|
|
break;
|
|
|
|
case 'md5crypt':
|
|
if( ! defined( 'CRYPT_MD5' ) || CRYPT_MD5 == 0 ) {
|
|
// Your system crypt library does not support md5crypt encryption.
|
|
return FALSE;
|
|
}
|
|
$cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$1$' . randomSalt(9) );
|
|
break;
|
|
|
|
case 'blowfish':
|
|
if( ! defined( 'CRYPT_BLOWFISH' ) || CRYPT_BLOWFISH == 0 ) {
|
|
// Your system crypt library does not support blowfish encryption.
|
|
return FALSE;
|
|
}
|
|
// hardcoded to second blowfish version and set number of rounds
|
|
$cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$2a$12$' . randomSalt(13) );
|
|
break;
|
|
|
|
case 'md5':
|
|
$cryptedPassword = '{MD5}' . base64_encode( pack( 'H*' , md5( $passwordClear) ) );
|
|
break;
|
|
|
|
case 'sha':
|
|
if( function_exists('sha1') ) {
|
|
// use php 4.3.0+ sha1 function, if it is available.
|
|
$cryptedPassword = '{SHA}' . base64_encode( pack( 'H*' , sha1( $passwordClear) ) );
|
|
} elseif( function_exists( 'mhash' ) ) {
|
|
$cryptedPassword = '{SHA}' . base64_encode( mhash( MHASH_SHA1, $passwordClear) );
|
|
} else {
|
|
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
|
|
}
|
|
break;
|
|
|
|
case 'ssha':
|
|
if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) ) {
|
|
mt_srand( (double) microtime() * 1000000 );
|
|
$salt = mhash_keygen_s2k( MHASH_SHA1, $passwordClear, substr( pack( 'h*', md5( mt_rand() ) ), 0, 8 ), 4 );
|
|
$cryptedPassword = '{SSHA}'.base64_encode( mhash( MHASH_SHA1, $passwordClear.$salt ).$salt );
|
|
} else {
|
|
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
|
|
}
|
|
break;
|
|
|
|
case 'smd5':
|
|
if( function_exists( 'mhash' ) && function_exists( 'mhash_keygen_s2k' ) ) {
|
|
mt_srand( (double) microtime() * 1000000 );
|
|
$salt = mhash_keygen_s2k( MHASH_MD5, $passwordClear, substr( pack( 'h*', md5( mt_rand() ) ), 0, 8 ), 4 );
|
|
$cryptedPassword = '{SMD5}'.base64_encode( mhash( MHASH_MD5, $passwordClear.$salt ).$salt );
|
|
} else {
|
|
return FALSE; //Your PHP install does not have the mhash() function. Cannot do SHA hashes.
|
|
}
|
|
break;
|
|
|
|
case 'samba':
|
|
if (function_exists('hash')) {
|
|
$cryptedPassword = hash('md4', rcube_charset_convert($passwordClear, RCMAIL_CHARSET, 'UTF-16LE'));
|
|
} else {
|
|
/* Your PHP install does not have the hash() function */
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
case 'clear':
|
|
default:
|
|
$cryptedPassword = $passwordClear;
|
|
}
|
|
|
|
return $cryptedPassword;
|
|
}
|
|
|
|
/**
|
|
* Code originaly from the phpLDAPadmin development team
|
|
* http://phpldapadmin.sourceforge.net/
|
|
*
|
|
* Used to generate a random salt for crypt-style passwords. Salt strings are used
|
|
* to make pre-built hash cracking dictionaries difficult to use as the hash algorithm uses
|
|
* not only the user's password but also a randomly generated string. The string is
|
|
* stored as the first N characters of the hash for reference of hashing algorithms later.
|
|
*
|
|
* --- added 20021125 by bayu irawan <bayuir@divnet.telkom.co.id> ---
|
|
* --- ammended 20030625 by S C Rigler <srigler@houston.rr.com> ---
|
|
*
|
|
* @param int $length The length of the salt string to generate.
|
|
* @return string The generated salt string.
|
|
*/
|
|
function randomSalt( $length )
|
|
{
|
|
$possible = '0123456789'.
|
|
'abcdefghijklmnopqrstuvwxyz'.
|
|
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.
|
|
'./';
|
|
$str = '';
|
|
// mt_srand((double)microtime() * 1000000);
|
|
|
|
while (strlen($str) < $length)
|
|
$str .= substr($possible, (rand() % strlen($possible)), 1);
|
|
|
|
return $str;
|
|
}
|