| | |
| | | * Driver for passwords stored in LDAP |
| | | * This driver use the PEAR Net_LDAP2 class (http://pear.php.net/package/Net_LDAP2). |
| | | * |
| | | * @version 1.0 (2009-06-24) |
| | | * @version 2.0 |
| | | * @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/). |
| | | * method hashPassword based on code from the phpLDAPadmin development team (http://phpldapadmin.sourceforge.net/). |
| | | * method randomSalt based on code from the phpLDAPadmin development team (http://phpldapadmin.sourceforge.net/). |
| | | * |
| | | * Copyright (C) 2005-2014, The Roundcube Dev Team |
| | | * |
| | | * 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 3 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, see http://www.gnu.org/licenses/. |
| | | */ |
| | | |
| | | function password_save($curpass, $passwd) |
| | | class rcube_ldap_password |
| | | { |
| | | $rcmail = rcmail::get_instance(); |
| | | require_once ('Net/LDAP2.php'); |
| | | |
| | | // Building user DN |
| | | $userDN = str_replace('%login', $_SESSION['username'], $rcmail->config->get('password_ldap_userDN_mask')); |
| | | if (empty($userDN)) {return PASSWORD_CONNECT_ERROR;} |
| | | |
| | | // Connection Method |
| | | switch($rcmail->config->get('password_ldap_method')) { |
| | | case 'user': $binddn = $userDN; $bindpw = $curpass; break; |
| | | case 'admin': $binddn = $rcmail->config->get('password_ldap_adminDN'); $bindpw = $rcmail->config->get('password_ldap_adminPW'); break; |
| | | default: $binddn = $userDN; $bindpw = $curpass; break; // default is user mode |
| | | public function save($curpass, $passwd) |
| | | { |
| | | $rcmail = rcmail::get_instance(); |
| | | require_once 'Net/LDAP2.php'; |
| | | |
| | | // Building user DN |
| | | if ($userDN = $rcmail->config->get('password_ldap_userDN_mask')) { |
| | | $userDN = self::substitute_vars($userDN); |
| | | } else { |
| | | $userDN = $this->search_userdn($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; |
| | | } |
| | | |
| | | $encodage = $rcmail->config->get('password_ldap_encodage'); |
| | | |
| | | // Support multiple userPassword values where desired. |
| | | // multiple encodings can be specified separated by '+' (e.g. "cram-md5+ssha") |
| | | $encodages = explode('+',$encodage); |
| | | $crypted_pass = array(); |
| | | |
| | | foreach($encodages as $enc) { |
| | | $cpw = self::hash_password($passwd, $enc); |
| | | if(!empty($cpw)) { |
| | | $crypted_pass[] = $cpw; |
| | | } |
| | | } |
| | | |
| | | $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'; |
| | | $smblchattr = 'sambaPwdLastSet'; |
| | | } |
| | | |
| | | // Crypt new password |
| | | if (empty($crypted_pass)) { |
| | | return PASSWORD_CRYPT_ERROR; |
| | | } |
| | | |
| | | // Crypt new samba password |
| | | if ($smbpwattr && !($samba_pass = self::hash_password($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; |
| | | } |
| | | |
| | | // 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;} |
| | | |
| | | // Crypting new password |
| | | $newCryptedPassword = hashPassword($passwd, $rcmail->config->get('password_ldap_encodage')); |
| | | if (!$newCryptedPassword) {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($rcmail->config->get('password_ldap_pwattr') => $newCryptedPassword),$rcmail->config->get('password_ldap_force_replace'))) {return PASSWORD_CONNECT_ERROR;} |
| | | 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) |
| | | { |
| | | $binddn = $rcmail->config->get('password_ldap_searchDN'); |
| | | $bindpw = $rcmail->config->get('password_ldap_searchPW'); |
| | | |
| | | /** |
| | | * 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. |
| | | * |
| | | */ |
| | | $ldapConfig = array ( |
| | | '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'), |
| | | ); |
| | | |
| | | function hashPassword( $passwordClear, $encodageType ) |
| | | { |
| | | $encodageType = strtolower( $encodageType ); |
| | | switch( $encodageType ) { |
| | | case 'crypt': |
| | | $cryptedPassword = '{CRYPT}' . crypt($passwordClear,randomSalt(2)); |
| | | // allow anonymous searches |
| | | if (!empty($binddn)) { |
| | | $ldapConfig['binddn'] = $binddn; |
| | | $ldapConfig['bindpw'] = $bindpw; |
| | | } |
| | | |
| | | $ldap = Net_LDAP2::connect($ldapConfig); |
| | | |
| | | if (PEAR::isError($ldap)) { |
| | | return ''; |
| | | } |
| | | |
| | | $base = self::substitute_vars($rcmail->config->get('password_ldap_search_base')); |
| | | $filter = self::substitute_vars($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 $str |
| | | * See plugin config for details |
| | | */ |
| | | static function substitute_vars($str) |
| | | { |
| | | $str = str_replace('%login', $_SESSION['username'], $str); |
| | | $str = str_replace('%l', $_SESSION['username'], $str); |
| | | |
| | | $parts = explode('@', $_SESSION['username']); |
| | | |
| | | if (count($parts) == 2) { |
| | | $dc = 'dc='.strtr($parts[1], array('.' => ',dc=')); // hierarchal domain string |
| | | |
| | | $str = str_replace('%name', $parts[0], $str); |
| | | $str = str_replace('%n', $parts[0], $str); |
| | | $str = str_replace('%dc', $dc, $str); |
| | | $str = str_replace('%domain', $parts[1], $str); |
| | | $str = str_replace('%d', $parts[1], $str); |
| | | } |
| | | |
| | | return $str; |
| | | } |
| | | |
| | | /** |
| | | * Code originaly from the phpLDAPadmin development team |
| | | * http://phpldapadmin.sourceforge.net/ |
| | | * |
| | | * Hashes a password and returns the hash based on the specified enc_type |
| | | */ |
| | | static function hash_password($password_clear, $encodage_type) |
| | | { |
| | | $encodage_type = strtolower($encodage_type); |
| | | switch ($encodage_type) { |
| | | case 'crypt': |
| | | $crypted_password = '{CRYPT}' . crypt($password_clear, self::random_salt(2)); |
| | | break; |
| | | |
| | | |
| | | case 'ext_des': |
| | | // extended des crypt. see OpenBSD crypt man page. |
| | | if ( ! defined( 'CRYPT_EXT_DES' ) || CRYPT_EXT_DES == 0 ) {return FALSE;} //Your system crypt library does not support extended DES encryption. |
| | | $cryptedPassword = '{CRYPT}' . crypt( $passwordClear, '_' . randomSalt(8) ); |
| | | /* 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; |
| | | } |
| | | |
| | | $crypted_password = '{CRYPT}' . crypt($password_clear, '_' . self::random_salt(8)); |
| | | break; |
| | | |
| | | case 'md5crypt': |
| | | if( ! defined( 'CRYPT_MD5' ) || CRYPT_MD5 == 0 ) {return FALSE;} //Your system crypt library does not support md5crypt encryption. |
| | | $cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$1$' . randomSalt(9) ); |
| | | if (!defined('CRYPT_MD5') || CRYPT_MD5 == 0) { |
| | | /* Your system crypt library does not support md5crypt encryption */ |
| | | return false; |
| | | } |
| | | |
| | | $crypted_password = '{CRYPT}' . crypt($password_clear, '$1$' . self::random_salt(9)); |
| | | break; |
| | | |
| | | case 'blowfish': |
| | | if( ! defined( 'CRYPT_BLOWFISH' ) || CRYPT_BLOWFISH == 0 ) {return FALSE;} //Your system crypt library does not support blowfish encryption. |
| | | $cryptedPassword = '{CRYPT}' . crypt( $passwordClear , '$2a$12$' . randomSalt(13) ); // hardcoded to second blowfish version and set number of rounds |
| | | 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 */ |
| | | $crypted_password = '{CRYPT}' . crypt($password_clear, '$2a$12$' . self::random_salt(13)); |
| | | break; |
| | | |
| | | case 'md5': |
| | | $cryptedPassword = '{MD5}' . base64_encode( pack( 'H*' , md5( $passwordClear) ) ); |
| | | $crypted_password = '{MD5}' . base64_encode(pack('H*', md5($password_clear))); |
| | | 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. |
| | | if (function_exists('sha1')) { |
| | | /* Use PHP 4.3.0+ sha1 function, if it is available */ |
| | | $crypted_password = '{SHA}' . base64_encode(pack('H*', sha1($password_clear))); |
| | | } |
| | | else if (function_exists('hash')) { |
| | | $crypted_password = '{SHA}' . base64_encode(hash('sha1', $password_clear, true)); |
| | | } |
| | | else if (function_exists('mhash')) { |
| | | $crypted_password = '{SHA}' . base64_encode(mhash(MHASH_SHA1, $password_clear)); |
| | | } |
| | | else { |
| | | /* Your PHP install does not have the mhash()/hash() nor sha1() function */ |
| | | return false; |
| | | } |
| | | 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. |
| | | mt_srand((double) microtime() * 1000000); |
| | | $salt = substr(pack('h*', md5(mt_rand())), 0, 8); |
| | | |
| | | if (function_exists('mhash') && function_exists('mhash_keygen_s2k')) { |
| | | $salt = mhash_keygen_s2k(MHASH_SHA1, $password_clear, $salt, 4); |
| | | $password = mhash(MHASH_SHA1, $password_clear . $salt); |
| | | } |
| | | else if (function_exists('sha1')) { |
| | | $salt = substr(pack("H*", sha1($salt . $password_clear)), 0, 4); |
| | | $password = sha1($password_clear . $salt, true); |
| | | } |
| | | else if (function_exists('hash')) { |
| | | $salt = substr(pack("H*", hash('sha1', $salt . $password_clear)), 0, 4); |
| | | $password = hash('sha1', $password_clear . $salt, true); |
| | | } |
| | | |
| | | if ($password) { |
| | | $crypted_password = '{SSHA}' . base64_encode($password . $salt); |
| | | } |
| | | else { |
| | | /* Your PHP install does not have the mhash()/hash() nor sha1() function */ |
| | | return false; |
| | | } |
| | | 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. |
| | | mt_srand((double) microtime() * 1000000); |
| | | $salt = substr(pack('h*', md5(mt_rand())), 0, 8); |
| | | |
| | | if (function_exists('mhash') && function_exists('mhash_keygen_s2k')) { |
| | | $salt = mhash_keygen_s2k(MHASH_MD5, $password_clear, $salt, 4); |
| | | $password = mhash(MHASH_MD5, $password_clear . $salt); |
| | | } |
| | | else if (function_exists('hash')) { |
| | | $salt = substr(pack("H*", hash('md5', $salt . $password_clear)), 0, 4); |
| | | $password = hash('md5', $password_clear . $salt, true); |
| | | } |
| | | else { |
| | | $salt = substr(pack("H*", md5($salt . $password_clear)), 0, 4); |
| | | $password = md5($password_clear . $salt, true); |
| | | } |
| | | |
| | | $crypted_password = '{SMD5}' . base64_encode($password . $salt); |
| | | break; |
| | | |
| | | case 'samba': |
| | | if (function_exists('hash')) { |
| | | $crypted_password = hash('md4', rcube_charset::convert($password_clear, RCUBE_CHARSET, 'UTF-16LE')); |
| | | $crypted_password = strtoupper($crypted_password); |
| | | } |
| | | else { |
| | | /* Your PHP install does not have the hash() function */ |
| | | return false; |
| | | } |
| | | break; |
| | | |
| | | case 'ad': |
| | | $crypted_password = rcube_charset::convert('"' . $password_clear . '"', RCUBE_CHARSET, 'UTF-16LE'); |
| | | break; |
| | | |
| | | case 'cram-md5': |
| | | require_once(dirname(__FILE__).'/../helpers/dovecot_hmacmd5.php'); |
| | | return dovecot_hmacmd5($password_clear); |
| | | break; |
| | | |
| | | case 'clear': |
| | | default: |
| | | $cryptedPassword = $passwordClear; |
| | | $crypted_password = $password_clear; |
| | | } |
| | | |
| | | return $crypted_password; |
| | | } |
| | | |
| | | return $cryptedPassword; |
| | | /** |
| | | * Code originaly from the phpLDAPadmin development team |
| | | * http://phpldapadmin.sourceforge.net/ |
| | | * |
| | | * Used to generate a random salt for crypt-style passwords |
| | | */ |
| | | static function random_salt($length) |
| | | { |
| | | $possible = '0123456789' . 'abcdefghijklmnopqrstuvwxyz' . 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' . './'; |
| | | $str = ''; |
| | | // mt_srand((double)microtime() * 1000000); |
| | | |
| | | while (strlen($str) < $length) { |
| | | $str .= substr($possible, (rand() % strlen($possible)), 1); |
| | | } |
| | | |
| | | return $str; |
| | | } |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * 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; |
| | | } |
| | | |
| | | ?> |