Struggeling with relocating

inc/filemanagement/file_download.php

@@ -0,0 +1,41 @@
+<?php
+/**
+ * This file is part of MySQLDumper released under the GNU/GPL 2 license
+ * http://www.mysqldumper.net
+ *
+ * @package         MySQLDumper
+ * @version         SVN: $rev: 1207 $
+ * @author          $Author$
+ * @lastmodified    $Date$
+ */
+
+if (!defined('MSD_VERSION')) die('No direct access.');
+// Download of a backup file wanted
+$file = urldecode($_GET['f']);
+
+// check for injected chars by removing allowed chars and check if the rest
+// only contains alphanumerical chars
+$search = array('-','.', '_');
+$replace = array('', '', '');
+$check = str_replace($search, $replace, $file);
+if (ctype_alnum($check) && is_readable($config['paths']['backup'] . $file)) {
+    $file = './' . $config['paths']['backup'] . $file;
+    header('Content-Description: File Transfer');
+    header('Content-Type: application/octet-stream');
+    header('Content-Disposition: attachment; filename=' . basename($file));
+    header('Content-Transfer-Encoding: binary');
+    header('Expires: 0');
+    header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
+    header('Pragma: public');
+    header('Content-Length: ' . (string) filesize($file));
+    flush();
+    $file = fopen($file, "rb");
+    while (!feof($file)) {
+        print fread($file, round(100 * 1024));
+        flush();
+    }
+    fclose($file);
+} else {
+    die('Error: Couldn\'t open file: ' . $file);
+}
+die();