Fix CS and obvious mistakes, update changelog after PR merge

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Password/cPanel: Add support for hash authentication and reseller accounts (#5252)
 - Support host-specific imap_conn_options/smtp_conn_options/managesieve_conn_options (#5136)
 - Center and scale images in attachment preview frame (#5421)
 - Added max_message_size option enforced when attaching files to a composed message (#4993)

plugins/password/drivers/cpanel.php

@@ -13,10 +13,10 @@
  *
  * This driver has been tested with o2switch hosting and seems to work fine.
  *
- * @version 3.0
+ * @version 3.1
  * @author Christian Chech <christian@chech.fr>
  *
- * Copyright (C) 2005-2013, The Roundcube Dev Team
+ * Copyright (C) 2005-2016, 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
@@ -41,20 +41,25 @@ class rcube_cpanel_password
         $rcmail = rcmail::get_instance();
 
         $this->cuser = $rcmail->config->get('password_cpanel_username');
+        $cpanel_host = $rcmail->config->get('password_cpanel_host');
+        $cpanel_port = $rcmail->config->get('password_cpanel_port');
+        $cpanel_hash = $rcmail->config->get('password_cpanel_hash');
+        $cpanel_pass = $rcmail->config->get('password_cpanel_password');
 
         // Setup the xmlapi connection
-        $this->xmlapi = new xmlapi($rcmail->config->get('password_cpanel_host'));
+        $this->xmlapi = new xmlapi($cpanel_host);
-        $this->xmlapi->set_port($rcmail->config->get('password_cpanel_port'));
+        $this->xmlapi->set_port($cpanel_port);
+
         // Hash auth
-        if (!empty($cpanel_hash = $rcmail->config->get('password_cpanel_hash'))) {
+        if (!empty($cpanel_hash)) {
             $this->xmlapi->hash_auth($this->cuser, $cpanel_hash);
         }
         // Pass auth
-        else if (!empty($cpanel_password = $rcmail->config->get('password_cpanel_password'))) {
+        else if (!empty($cpanel_pass)) {
-            $this->xmlapi->hash_auth( $this->cuser, $cpanel_password);
+            $this->xmlapi->password_auth($this->cuser, $cpanel_pass);
         }
         else {
-            return false;
+            return PASSWORD_ERROR;
         }
 
         $this->xmlapi->set_output('json');