From b2034fdfec040a67988e543a911208ef2491ce7a Mon Sep 17 00:00:00 2001 From: Hugues Hiegel Date: Sun, 22 Feb 2015 12:58:46 +0100 Subject: New RoundCube Plugins Git folder --- password/drivers/ldap.php | 384 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 384 insertions(+) create mode 100644 password/drivers/ldap.php (limited to 'password/drivers/ldap.php') diff --git a/password/drivers/ldap.php b/password/drivers/ldap.php new file mode 100644 index 0000000..c18ff0f --- /dev/null +++ b/password/drivers/ldap.php @@ -0,0 +1,384 @@ + + * + * 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/. + */ + +class rcube_ldap_password +{ + 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; + } + + $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'); + $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[] = $cpw; + } + } + + // Support password_ldap_samba option for backward compat. + if ($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; + } + + /** + * 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'); + + $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' => $rcmail->config->get('password_ldap_version'), + ); + + // allow anonymous searches + if (!empty($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) { + /* 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) { + /* 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) { + /* Your system crypt library does not support blowfish encryption */ + return false; + } + + $rcmail = rcmail::get_instance(); + $cost = (int) $rcmail->config->get('password_blowfish_cost'); + $cost = $cost < 4 || $cost > 31 ? 12 : $cost; + $prefix = sprintf('$2a$%02d$', $cost); + + $crypted_password = '{CRYPT}' . crypt($password_clear, $prefix . self::random_salt(22)); + 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('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': + 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': + 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('"' . $password_clear . '"', RCUBE_CHARSET, 'UTF-16LE'); + break; + + case 'cram-md5': + require_once __DIR__ . '/../helpers/dovecot_hmacmd5.php'; + return dovecot_hmacmd5($password_clear); + break; + + case 'clear': + default: + $crypted_password = $password_clear; + } + + return $crypted_password; + } + + /** + * Code originaly from the phpLDAPadmin development team + * http://phpldapadmin.sourceforge.net/ + * + * Used to generate a random salt for crypt-style passwords + */ + static function random_salt($length) + { + $possible = '0123456789' . 'abcdefghijklmnopqrstuvwxyz' . 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' . './'; + $str = ''; + // mt_srand((double)microtime() * 1000000); + + while (strlen($str) < $length) { + $str .= substr($possible, (rand() % strlen($possible)), 1); + } + + return $str; + } +} -- cgit v1.2.3