--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/password/drivers/smb.php	Thu Jan 04 15:50:29 2018 -0500
@@ -0,0 +1,74 @@
+<?php
+
+/**
+ * smb Driver
+ *
+ * Driver that adds functionality to change the systems user password via
+ * the 'smbpasswd' command.
+ *
+ * For installation instructions please read the README file.
+ *
+ * @version 2.0
+ * @author Andy Theuninck <gohanman@gmail.com)
+ *
+ * Based on chpasswd roundcubemail password driver by
+ * @author Alex Cartwright <acartwright@mutinydesign.co.uk)
+ * and smbpasswd horde passwd driver by
+ * @author  Rene Lund Jensen <Rene@lundjensen.net>
+ *
+ * Configuration settings:
+ * password_smb_host    => samba host (default: localhost)
+ * password_smb_cmd => smbpasswd binary (default: /usr/bin/smbpasswd)
+ *
+ * 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_smb_password
+{
+
+    public function save($currpass, $newpass)
+    {
+        $host     = rcmail::get_instance()->config->get('password_smb_host','localhost');
+        $bin      = rcmail::get_instance()->config->get('password_smb_cmd','/usr/bin/smbpasswd');
+        $username = $_SESSION['username'];
+
+        $host     = rcube_utils::parse_host($host);
+        $tmpfile  = tempnam(sys_get_temp_dir(),'smb');
+        $cmd      = $bin . ' -r ' . $host . ' -s -U "' . $username . '" > ' . $tmpfile . ' 2>&1';
+        $handle   = @popen($cmd, 'w');
+
+        fputs($handle, $currpass."\n");
+        fputs($handle, $newpass."\n");
+        fputs($handle, $newpass."\n");
+        @pclose($handle);
+        $res = file($tmpfile);
+        unlink($tmpfile);
+
+        if (strstr($res[count($res) - 1], 'Password changed for user') !== false) {
+            return PASSWORD_SUCCESS;
+        }
+        else {
+            rcube::raise_error(array(
+                'code' => 600,
+                'type' => 'php',
+                'file' => __FILE__, 'line' => __LINE__,
+                'message' => "Password plugin: Unable to execute $cmd"
+                ), true, false);
+        }
+
+        return PASSWORD_ERROR;
+    }
+}