--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/password/drivers/sql.php	Thu Jan 04 15:50:29 2018 -0500
@@ -0,0 +1,172 @@
+<?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;
+        }
+
+        // new password - default hash method
+        if (strpos($sql, '%P') !== false) {
+            $password = password::hash_password($passwd);
+
+            if ($password === false) {
+                return PASSWORD_CRYPT_ERROR;
+            }
+
+            $sql = str_replace('%P',  $db->quote($password), $sql);
+        }
+
+        // old password - default hash method
+        if (strpos($sql, '%O') !== false) {
+            $password = password::hash_password($curpass);
+
+            if ($password === false) {
+                return PASSWORD_CRYPT_ERROR;
+            }
+
+            $sql = str_replace('%O',  $db->quote($password), $sql);
+        }
+
+        // crypted password (deprecated, use %P)
+        if (strpos($sql, '%c') !== false) {
+            $password = password::hash_password($passwd, 'crypt', false);
+
+            if ($password === false) {
+                return PASSWORD_CRYPT_ERROR;
+            }
+
+            $sql = str_replace('%c',  $db->quote($password), $sql);
+        }
+
+        // dovecotpw (deprecated, use %P)
+        if (strpos($sql, '%D') !== false) {
+            $password = password::hash_password($passwd, 'dovecot', false);
+
+            if ($password === false) {
+                return PASSWORD_CRYPT_ERROR;
+            }
+
+            $sql = str_replace('%D', $db->quote($password), $sql);
+        }
+
+        // hashed passwords (deprecated, use %P)
+        if (strpos($sql, '%n') !== false) {
+            $password = password::hash_password($passwd, 'hash', false);
+
+            if ($password === false) {
+                return PASSWORD_CRYPT_ERROR;
+            }
+
+            $sql = str_replace('%n', $db->quote($password, 'text'), $sql);
+        }
+
+        // hashed passwords (deprecated, use %P)
+        if (strpos($sql, '%q') !== false) {
+            $password = password::hash_password($curpass, 'hash', false);
+
+            if ($password === false) {
+                return PASSWORD_CRYPT_ERROR;
+            }
+
+            $sql = str_replace('%q', $db->quote($password, '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;
+    }
+}