| | |
| | | * |
| | | * @version 2.0 |
| | | * @author Wout Decre <wout@canodus.be> |
| | | * @author Aleksander Machniak <machniak@kolabsys.com> |
| | | * |
| | | * 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/. |
| | | */ |
| | | |
| | | class rcube_ldap_simple_password |
| | | { |
| | | private $debug = false; |
| | | |
| | | function save($curpass, $passwd) |
| | | { |
| | | $rcmail = rcmail::get_instance(); |
| | | $rcmail = rcmail::get_instance(); |
| | | |
| | | // Connect |
| | | if (!$ds = ldap_connect($rcmail->config->get('password_ldap_host'), $rcmail->config->get('password_ldap_port'))) { |
| | | ldap_unbind($ds); |
| | | return PASSWORD_CONNECT_ERROR; |
| | | } |
| | | $this->debug = $rcmail->config->get('ldap_debug'); |
| | | |
| | | // Set protocol version |
| | | if (!ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, $rcmail->config->get('password_ldap_version'))) { |
| | | ldap_unbind($ds); |
| | | return PASSWORD_CONNECT_ERROR; |
| | | } |
| | | $ldap_host = $rcmail->config->get('password_ldap_host'); |
| | | $ldap_port = $rcmail->config->get('password_ldap_port'); |
| | | |
| | | // Start TLS |
| | | if ($rcmail->config->get('password_ldap_starttls')) { |
| | | if (!ldap_start_tls($ds)) { |
| | | ldap_unbind($ds); |
| | | return PASSWORD_CONNECT_ERROR; |
| | | } |
| | | } |
| | | $this->_debug("C: Connect to $ldap_host:$ldap_port"); |
| | | |
| | | // Build user DN |
| | | if ($user_dn = $rcmail->config->get('password_ldap_userDN_mask')) { |
| | | $user_dn = $this->substitute_vars($user_dn); |
| | | } |
| | | else { |
| | | $user_dn = $this->search_userdn($rcmail, $ds); |
| | | } |
| | | // Connect |
| | | if (!$ds = ldap_connect($ldap_host, $ldap_port)) { |
| | | $this->_debug("S: NOT OK"); |
| | | |
| | | if (empty($user_dn)) { |
| | | ldap_unbind($ds); |
| | | return PASSWORD_CONNECT_ERROR; |
| | | } |
| | | rcube::raise_error(array( |
| | | 'code' => 100, 'type' => 'ldap', |
| | | 'file' => __FILE__, 'line' => __LINE__, |
| | | 'message' => "Could not connect to LDAP server" |
| | | ), |
| | | true); |
| | | |
| | | // Connection method |
| | | switch ($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 = $user_dn; |
| | | $bindpw = $curpass; |
| | | break; |
| | | } |
| | | return PASSWORD_CONNECT_ERROR; |
| | | } |
| | | |
| | | $crypted_pass = $this->hash_password($passwd, $rcmail->config->get('password_ldap_encodage')); |
| | | $lchattr = $rcmail->config->get('password_ldap_lchattr'); |
| | | $pwattr = $rcmail->config->get('password_ldap_pwattr'); |
| | | $this->_debug("S: OK"); |
| | | |
| | | // Set protocol version |
| | | ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, $rcmail->config->get('password_ldap_version')); |
| | | |
| | | // Start TLS |
| | | if ($rcmail->config->get('password_ldap_starttls')) { |
| | | if (!ldap_start_tls($ds)) { |
| | | ldap_unbind($ds); |
| | | return PASSWORD_CONNECT_ERROR; |
| | | } |
| | | } |
| | | |
| | | // include 'ldap' driver, we share some static methods with it |
| | | require_once INSTALL_PATH . 'plugins/password/drivers/ldap.php'; |
| | | |
| | | // other plugins might want to modify user DN |
| | | $plugin = $rcmail->plugins->exec_hook('password_ldap_bind', array( |
| | | 'user_dn' => '', 'conn' => $ds)); |
| | | |
| | | // Build user DN |
| | | if (!empty($plugin['user_dn'])) { |
| | | $user_dn = $plugin['user_dn']; |
| | | } |
| | | else if ($user_dn = $rcmail->config->get('password_ldap_userDN_mask')) { |
| | | $user_dn = rcube_ldap_password::substitute_vars($user_dn); |
| | | } |
| | | else { |
| | | $user_dn = $this->search_userdn($rcmail, $ds); |
| | | } |
| | | |
| | | if (empty($user_dn)) { |
| | | ldap_unbind($ds); |
| | | return PASSWORD_CONNECT_ERROR; |
| | | } |
| | | |
| | | // Connection method |
| | | switch ($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 = $user_dn; |
| | | $bindpw = $curpass; |
| | | break; |
| | | } |
| | | |
| | | $lchattr = $rcmail->config->get('password_ldap_lchattr'); |
| | | $pwattr = $rcmail->config->get('password_ldap_pwattr'); |
| | | $smbpwattr = $rcmail->config->get('password_ldap_samba_pwattr'); |
| | | $smblchattr = $rcmail->config->get('password_ldap_samba_lchattr'); |
| | | $samba = $rcmail->config->get('password_ldap_samba'); |
| | | $pass_mode = $rcmail->config->get('password_ldap_encodage'); |
| | | $crypted_pass = password::hash_password($passwd, $pass_mode); |
| | | |
| | | // Support password_ldap_samba option for backward compat. |
| | | if ($samba && !$smbpwattr) { |
| | |
| | | $smblchattr = 'sambaPwdLastSet'; |
| | | } |
| | | |
| | | // Crypt new password |
| | | if (!$crypted_pass) { |
| | | return PASSWORD_CRYPT_ERROR; |
| | | } |
| | | |
| | | // Crypt new Samba password |
| | | if ($smbpwattr && !($samba_pass = $this->hash_password($passwd, 'samba'))) { |
| | | return PASSWORD_CRYPT_ERROR; |
| | | // Crypt new password |
| | | if (!$crypted_pass) { |
| | | return PASSWORD_CRYPT_ERROR; |
| | | } |
| | | |
| | | // Bind |
| | | if (!ldap_bind($ds, $binddn, $bindpw)) { |
| | | ldap_unbind($ds); |
| | | return PASSWORD_CONNECT_ERROR; |
| | | } |
| | | // Crypt new Samba password |
| | | if ($smbpwattr && !($samba_pass = password::hash_password($passwd, 'samba'))) { |
| | | return PASSWORD_CRYPT_ERROR; |
| | | } |
| | | |
| | | $entree[$pwattr] = $crypted_pass; |
| | | $this->_debug("C: Bind $binddn, pass: **** [" . strlen($bindpw) . "]"); |
| | | |
| | | // Update PasswordLastChange Attribute if desired |
| | | if ($lchattr) { |
| | | $entree[$lchattr] = (int)(time() / 86400); |
| | | } |
| | | // Bind |
| | | if (!ldap_bind($ds, $binddn, $bindpw)) { |
| | | $this->_debug("S: ".ldap_error($ds)); |
| | | |
| | | ldap_unbind($ds); |
| | | |
| | | return PASSWORD_CONNECT_ERROR; |
| | | } |
| | | |
| | | $this->_debug("S: OK"); |
| | | |
| | | $entry[$pwattr] = $crypted_pass; |
| | | |
| | | // Update PasswordLastChange Attribute if desired |
| | | if ($lchattr) { |
| | | $entry[$lchattr] = (int)(time() / 86400); |
| | | } |
| | | |
| | | // Update Samba password |
| | | if ($smbpwattr) { |
| | | $entree[$smbpwattr] = $samba_pass; |
| | | $entry[$smbpwattr] = $samba_pass; |
| | | } |
| | | |
| | | // Update Samba password last change |
| | | if ($smblchattr) { |
| | | $entree[$smblchattr] = time(); |
| | | $entry[$smblchattr] = time(); |
| | | } |
| | | |
| | | if (!ldap_modify($ds, $user_dn, $entree)) { |
| | | ldap_unbind($ds); |
| | | return PASSWORD_CONNECT_ERROR; |
| | | } |
| | | $this->_debug("C: Modify $user_dn: " . print_r($entry, true)); |
| | | |
| | | // All done, no error |
| | | ldap_unbind($ds); |
| | | return PASSWORD_SUCCESS; |
| | | if (!ldap_modify($ds, $user_dn, $entry)) { |
| | | $this->_debug("S: ".ldap_error($ds)); |
| | | |
| | | ldap_unbind($ds); |
| | | |
| | | return PASSWORD_CONNECT_ERROR; |
| | | } |
| | | |
| | | $this->_debug("S: OK"); |
| | | |
| | | // All done, no error |
| | | ldap_unbind($ds); |
| | | |
| | | return PASSWORD_SUCCESS; |
| | | } |
| | | |
| | | /** |
| | |
| | | */ |
| | | function search_userdn($rcmail, $ds) |
| | | { |
| | | /* Bind */ |
| | | if (!ldap_bind($ds, $rcmail->config->get('password_ldap_searchDN'), $rcmail->config->get('password_ldap_searchPW'))) { |
| | | return false; |
| | | } |
| | | $search_user = $rcmail->config->get('password_ldap_searchDN'); |
| | | $search_pass = $rcmail->config->get('password_ldap_searchPW'); |
| | | $search_base = $rcmail->config->get('password_ldap_search_base'); |
| | | $search_filter = $rcmail->config->get('password_ldap_search_filter'); |
| | | |
| | | /* Search for the DN */ |
| | | if (!$sr = ldap_search($ds, $rcmail->config->get('password_ldap_search_base'), $this->substitute_vars($rcmail->config->get('password_ldap_search_filter')))) { |
| | | return false; |
| | | } |
| | | if (empty($search_filter)) { |
| | | return false; |
| | | } |
| | | |
| | | /* If no or more entries were found, return false */ |
| | | if (ldap_count_entries($ds, $sr) != 1) { |
| | | return false; |
| | | } |
| | | $this->_debug("C: Bind " . ($search_user ? $search_user : '[anonymous]')); |
| | | |
| | | return ldap_get_dn($ds, ldap_first_entry($ds, $sr)); |
| | | // Bind |
| | | if (!ldap_bind($ds, $search_user, $search_pass)) { |
| | | $this->_debug("S: ".ldap_error($ds)); |
| | | return false; |
| | | } |
| | | |
| | | $this->_debug("S: OK"); |
| | | |
| | | $search_base = rcube_ldap_password::substitute_vars($search_base); |
| | | $search_filter = rcube_ldap_password::substitute_vars($search_filter); |
| | | |
| | | $this->_debug("C: Search $search_base for $search_filter"); |
| | | |
| | | // Search for the DN |
| | | if (!$sr = ldap_search($ds, $search_base, $search_filter)) { |
| | | $this->_debug("S: ".ldap_error($ds)); |
| | | return false; |
| | | } |
| | | |
| | | $found = ldap_count_entries($ds, $sr); |
| | | |
| | | $this->_debug("S: OK [found $found records]"); |
| | | |
| | | // If no or more entries were found, return false |
| | | if ($found != 1) { |
| | | return false; |
| | | } |
| | | |
| | | return ldap_get_dn($ds, ldap_first_entry($ds, $sr)); |
| | | } |
| | | |
| | | /** |
| | | * Substitute %login, %name, %domain, %dc in $str |
| | | * See plugin config for details |
| | | * Prints debug info to the log |
| | | */ |
| | | function substitute_vars($str) |
| | | private function _debug($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 $str; |
| | | } |
| | | |
| | | /** |
| | | * Code originaly from the phpLDAPadmin development team |
| | | * http://phpldapadmin.sourceforge.net/ |
| | | * |
| | | * Hashes a password and returns the hash based on the specified enc_type |
| | | */ |
| | | function hash_password($password_clear, $encodage_type) |
| | | { |
| | | $encodage_type = strtolower($encodage_type); |
| | | switch ($encodage_type) { |
| | | case 'crypt': |
| | | $crypted_password = '{CRYPT}' . crypt($password_clear, $this->random_salt(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; |
| | | } |
| | | $crypted_password = '{CRYPT}' . crypt($password_clear, '_' . $this->random_salt(8)); |
| | | break; |
| | | case 'md5crypt': |
| | | if (!defined('CRYPT_MD5') || CRYPT_MD5 == 0) { |
| | | /* Your system crypt library does not support md5crypt encryption */ |
| | | return false; |
| | | } |
| | | $crypted_password = '{CRYPT}' . crypt($password_clear, '$1$' . $this->random_salt(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 */ |
| | | $crypted_password = '{CRYPT}' . crypt($password_clear, '$2a$12$' . $this->random_salt(13)); |
| | | break; |
| | | case 'md5': |
| | | $crypted_password = '{MD5}' . base64_encode(pack('H*', md5($password_clear))); |
| | | break; |
| | | case 'sha': |
| | | if (function_exists('sha1')) { |
| | | /* Use PHP 4.3.0+ sha1 function, if it is available */ |
| | | $crypted_password = '{SHA}' . base64_encode(pack('H*', sha1($password_clear))); |
| | | } else if (function_exists('mhash')) { |
| | | $crypted_password = '{SHA}' . base64_encode(mhash(MHASH_SHA1, $password_clear)); |
| | | } else { |
| | | /* Your PHP install does not have the mhash() 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, $password_clear, substr(pack('h*', md5(mt_rand())), 0, 8), 4); |
| | | $crypted_password = '{SSHA}' . base64_encode(mhash(MHASH_SHA1, $password_clear . $salt) . $salt); |
| | | } else { |
| | | /* Your PHP install does not have the mhash() 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, $password_clear, substr(pack('h*', md5(mt_rand())), 0, 8), 4); |
| | | $crypted_password = '{SMD5}' . base64_encode(mhash(MHASH_MD5, $password_clear . $salt) . $salt); |
| | | } else { |
| | | /* Your PHP install does not have the mhash() function */ |
| | | return false; |
| | | } |
| | | break; |
| | | case 'samba': |
| | | if (function_exists('hash')) { |
| | | $crypted_password = hash('md4', rcube_charset_convert($password_clear, RCMAIL_CHARSET, 'UTF-16LE')); |
| | | $crypted_password = strtoupper($crypted_password); |
| | | } else { |
| | | /* Your PHP install does not have the hash() function */ |
| | | return false; |
| | | } |
| | | break; |
| | | case 'clear': |
| | | default: |
| | | $crypted_password = $password_clear; |
| | | } |
| | | |
| | | return $crypted_password; |
| | | } |
| | | |
| | | /** |
| | | * Code originaly from the phpLDAPadmin development team |
| | | * http://phpldapadmin.sourceforge.net/ |
| | | * |
| | | * Used to generate a random salt for crypt-style passwords |
| | | */ |
| | | function random_salt($length) |
| | | { |
| | | $possible = '0123456789' . 'abcdefghijklmnopqrstuvwxyz' . 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' . './'; |
| | | $str = ''; |
| | | // mt_srand((double)microtime() * 1000000); |
| | | |
| | | while (strlen($str) < $length) { |
| | | $str .= substr($possible, (rand() % strlen($possible)), 1); |
| | | } |
| | | |
| | | return $str; |
| | | if ($this->debug) { |
| | | rcube::write_log('ldap', $str); |
| | | } |
| | | } |
| | | } |