From 2506b5b6f05e60b8fce17e9ad00be929f9a96002 Mon Sep 17 00:00:00 2001
From: Stefan Brand <seiichiro@seiichiro0185.org>
Date: Tue, 11 Jan 2022 17:06:45 +0100
Subject: [PATCH] Prevent Path Traversal

---
 index.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/index.php b/index.php
index 67d10ff..ac2e1c1 100644
--- a/index.php
+++ b/index.php
@@ -41,7 +41,11 @@ if (isset($_SESSION['files'])
 } else {
   $r_imagedir = realpath($imagedir.$dir);
 
+
+  
   if ($r_imagedir === false || strcmp($r_imagedir, $r_basedir . DIRECTORY_SEPARATOR) !== 0) {
+    print_r($r_basedir);
+    print_r($r_imagedir);
     print "Path Traversal Detected!";
     exit();
   }