From eee263f2fd0329715b9b76f068672b023cd2f716 Mon Sep 17 00:00:00 2001
From: steering7253
Date: Mon, 6 Jul 2026 07:10:54 +0000
Subject: fix filename with just a /

---
 upload.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/upload.php b/upload.php
index e82af6d..5f609d4 100644
--- a/upload.php
+++ b/upload.php
@@ -101,13 +101,16 @@ function die_error($s) {
 
 
 function unsafe_get_extension($file) {
-	if ($file === '') {
+	if ($file == '') {
 		return '/file';
 	}
 	$ext = strrchr($file, '/');
 	if (FALSE === $ext) {
 		return '/'.$file;
 	}
+	if ($ext == '/') {
+		return '/file';
+	}
 	return $ext;
 }
 function get_extension($file) {
-- 
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