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| | |
| | | <?php |
| | | |
| | | /** |
| | | * SQL Password Driver |
| | | * |
| | | * Driver for passwords stored in SQL database |
| | | * |
| | | * @version 2.0 |
| | | * @author Aleksander 'A.L.E.C' Machniak <alec@alec.pl> |
| | | * |
| | | * Copyright (C) 2005-2013, 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_sql_password |
| | | { |
| | | function save($curpass, $passwd) |
| | | { |
| | | $rcmail = rcmail::get_instance(); |
| | | |
| | | if (!($sql = $rcmail->config->get('password_query'))) { |
| | | $sql = 'SELECT update_passwd(%c, %u)'; |
| | | } |
| | | |
| | | if ($dsn = $rcmail->config->get('password_db_dsn')) { |
| | | $db = rcube_db::factory($dsn, '', false); |
| | | $db->set_debug((bool)$rcmail->config->get('sql_debug')); |
| | | } |
| | | else { |
| | | $db = $rcmail->get_dbh(); |
| | | } |
| | | |
| | | if ($db->is_error()) { |
| | | return PASSWORD_ERROR; |
| | | } |
| | | |
| | | // crypted password |
| | | if (strpos($sql, '%c') !== FALSE) { |
| | | $salt = ''; |
| | | |
| | | if (!($crypt_hash = $rcmail->config->get('password_crypt_hash'))) { |
| | | if (CRYPT_MD5) |
| | | $crypt_hash = 'md5'; |
| | | else if (CRYPT_STD_DES) |
| | | $crypt_hash = 'des'; |
| | | } |
| | | |
| | | switch ($crypt_hash) { |
| | | case 'md5': |
| | | $len = 8; |
| | | $salt_hashindicator = '$1$'; |
| | | break; |
| | | case 'des': |
| | | $len = 2; |
| | | break; |
| | | case 'blowfish': |
| | | $len = 22; |
| | | $salt_hashindicator = '$2a$'; |
| | | break; |
| | | case 'sha256': |
| | | $len = 16; |
| | | $salt_hashindicator = '$5$'; |
| | | break; |
| | | case 'sha512': |
| | | $len = 16; |
| | | $salt_hashindicator = '$6$'; |
| | | break; |
| | | default: |
| | | return PASSWORD_CRYPT_ERROR; |
| | | } |
| | | |
| | | //Restrict the character set used as salt (#1488136) |
| | | $seedchars = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'; |
| | | for ($i = 0; $i < $len ; $i++) { |
| | | $salt .= $seedchars[rand(0, 63)]; |
| | | } |
| | | |
| | | $sql = str_replace('%c', $db->quote(crypt($passwd, $salt_hashindicator ? $salt_hashindicator .$salt.'$' : $salt)), $sql); |
| | | } |
| | | |
| | | // dovecotpw |
| | | if (strpos($sql, '%D') !== FALSE) { |
| | | if (!($dovecotpw = $rcmail->config->get('password_dovecotpw'))) |
| | | $dovecotpw = 'dovecotpw'; |
| | | if (!($method = $rcmail->config->get('password_dovecotpw_method'))) |
| | | $method = 'CRAM-MD5'; |
| | | |
| | | // use common temp dir |
| | | $tmp_dir = $rcmail->config->get('temp_dir'); |
| | | $tmpfile = tempnam($tmp_dir, 'roundcube-'); |
| | | |
| | | $pipe = popen("$dovecotpw -s '$method' > '$tmpfile'", "w"); |
| | | if (!$pipe) { |
| | | unlink($tmpfile); |
| | | return PASSWORD_CRYPT_ERROR; |
| | | } |
| | | else { |
| | | fwrite($pipe, $passwd . "\n", 1+strlen($passwd)); usleep(1000); |
| | | fwrite($pipe, $passwd . "\n", 1+strlen($passwd)); |
| | | pclose($pipe); |
| | | $newpass = trim(file_get_contents($tmpfile), "\n"); |
| | | if (!preg_match('/^\{' . $method . '\}/', $newpass)) { |
| | | return PASSWORD_CRYPT_ERROR; |
| | | } |
| | | if (!$rcmail->config->get('password_dovecotpw_with_method')) |
| | | $newpass = trim(str_replace('{' . $method . '}', '', $newpass)); |
| | | unlink($tmpfile); |
| | | } |
| | | $sql = str_replace('%D', $db->quote($newpass), $sql); |
| | | } |
| | | |
| | | // hashed passwords |
| | | if (preg_match('/%[n|q]/', $sql)) { |
| | | if (!extension_loaded('hash')) { |
| | | rcube::raise_error(array( |
| | | 'code' => 600, |
| | | 'type' => 'php', |
| | | 'file' => __FILE__, 'line' => __LINE__, |
| | | 'message' => "Password plugin: 'hash' extension not loaded!" |
| | | ), true, false); |
| | | |
| | | return PASSWORD_ERROR; |
| | | } |
| | | |
| | | if (!($hash_algo = strtolower($rcmail->config->get('password_hash_algorithm')))) { |
| | | $hash_algo = 'sha1'; |
| | | } |
| | | |
| | | $hash_passwd = hash($hash_algo, $passwd); |
| | | $hash_curpass = hash($hash_algo, $curpass); |
| | | |
| | | if ($rcmail->config->get('password_hash_base64')) { |
| | | $hash_passwd = base64_encode(pack('H*', $hash_passwd)); |
| | | $hash_curpass = base64_encode(pack('H*', $hash_curpass)); |
| | | } |
| | | |
| | | $sql = str_replace('%n', $db->quote($hash_passwd, 'text'), $sql); |
| | | $sql = str_replace('%q', $db->quote($hash_curpass, 'text'), $sql); |
| | | } |
| | | |
| | | // Handle clear text passwords securely (#1487034) |
| | | $sql_vars = array(); |
| | | if (preg_match_all('/%[p|o]/', $sql, $m)) { |
| | | foreach ($m[0] as $var) { |
| | | if ($var == '%p') { |
| | | $sql = preg_replace('/%p/', '?', $sql, 1); |
| | | $sql_vars[] = (string) $passwd; |
| | | } |
| | | else { // %o |
| | | $sql = preg_replace('/%o/', '?', $sql, 1); |
| | | $sql_vars[] = (string) $curpass; |
| | | } |
| | | } |
| | | } |
| | | |
| | | $local_part = $rcmail->user->get_username('local'); |
| | | $domain_part = $rcmail->user->get_username('domain'); |
| | | $username = $_SESSION['username']; |
| | | $host = $_SESSION['imap_host']; |
| | | |
| | | // convert domains to/from punnycode |
| | | if ($rcmail->config->get('password_idn_ascii')) { |
| | | $domain_part = rcube_utils::idn_to_ascii($domain_part); |
| | | $username = rcube_utils::idn_to_ascii($username); |
| | | $host = rcube_utils::idn_to_ascii($host); |
| | | } |
| | | else { |
| | | $domain_part = rcube_utils::idn_to_utf8($domain_part); |
| | | $username = rcube_utils::idn_to_utf8($username); |
| | | $host = rcube_utils::idn_to_utf8($host); |
| | | } |
| | | |
| | | // at least we should always have the local part |
| | | $sql = str_replace('%l', $db->quote($local_part, 'text'), $sql); |
| | | $sql = str_replace('%d', $db->quote($domain_part, 'text'), $sql); |
| | | $sql = str_replace('%u', $db->quote($username, 'text'), $sql); |
| | | $sql = str_replace('%h', $db->quote($host, 'text'), $sql); |
| | | |
| | | $res = $db->query($sql, $sql_vars); |
| | | |
| | | if (!$db->is_error()) { |
| | | if (strtolower(substr(trim($sql),0,6)) == 'select') { |
| | | if ($db->fetch_array($res)) { |
| | | return PASSWORD_SUCCESS; |
| | | } |
| | | } |
| | | else { |
| | | // This is the good case: 1 row updated |
| | | if ($db->affected_rows($res) == 1) |
| | | return PASSWORD_SUCCESS; |
| | | // @TODO: Some queries don't affect any rows |
| | | // Should we assume a success if there was no error? |
| | | } |
| | | } |
| | | |
| | | return PASSWORD_ERROR; |
| | | } |
| | | } |