--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/password/drivers/ximss.php	Thu Jan 04 15:50:29 2018 -0500
@@ -0,0 +1,89 @@
+<?php
+/**
+ * Communigate driver for the Password Plugin for Roundcube 
+ *
+ * Tested with Communigate Pro 5.1.2
+ *
+ * Configuration options:
+ *   password_ximss_host - Host name of Communigate server
+ *   password_ximss_port - XIMSS port on Communigate server
+ *
+ * References:
+ *   http://www.communigate.com/WebGuide/XMLAPI.html
+ *
+ * @version 2.0
+ * @author Erik Meitner <erik wanderings.us>
+ *
+ * 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_ximss_password
+{
+    function save($pass, $newpass)
+    {
+        $rcmail = rcmail::get_instance();
+
+        $host = $rcmail->config->get('password_ximss_host');
+        $port = $rcmail->config->get('password_ximss_port');
+        $sock = stream_socket_client("tcp://$host:$port", $errno, $errstr, 30);
+
+        if ($sock === FALSE) {
+            return PASSWORD_CONNECT_ERROR;
+        }
+
+        // send all requests at once(pipelined)
+        fwrite( $sock, '<login id="A001" authData="'.$_SESSION['username'].'" password="'.$pass.'" />'."\0");
+        fwrite( $sock, '<passwordModify id="A002" oldPassword="'.$pass.'" newPassword="'.$newpass.'"  />'."\0");
+        fwrite( $sock, '<bye id="A003" />'."\0");
+
+  //example responses
+  //  <session id="A001" urlID="4815-vN2Txjkggy7gjHRD10jw" userName="user@example.com"/>\0
+  //  <response id="A001"/>\0
+  //  <response id="A002"/>\0
+  //  <response id="A003"/>\0
+  // or an error:
+  //  <response id="A001" errorText="incorrect password or account name" errorNum="515"/>\0
+
+        $responseblob = '';
+        while (!feof($sock)) {
+            $responseblob .= fgets($sock, 1024);
+        }
+
+        fclose($sock);
+
+        foreach (explode( "\0",$responseblob) as $response) {
+            $resp = simplexml_load_string("<xml>".$response."</xml>");
+
+            if( $resp->response[0]['id'] == 'A001' ) {
+                if( isset( $resp->response[0]['errorNum'] ) ) {
+                    return PASSWORD_CONNECT_ERROR;
+                }
+            }
+            else if( $resp->response[0]['id'] == 'A002' ) {
+                if( isset( $resp->response[0]['errorNum'] )) {
+                    return PASSWORD_ERROR;
+                }
+            }
+            else if( $resp->response[0]['id'] == 'A003' ) {
+                if( isset($resp->response[0]['errorNum'] )) {
+                    //There was a problem during logout(This is probably harmless)
+                }
+            }
+        } //foreach
+
+        return PASSWORD_SUCCESS;
+    }
+}