From 26ea294acd1eb2721c230038839de0130f52db92 Mon Sep 17 00:00:00 2001
From: Matthias Heiserer <m.heiserer@proxmox.com>
Date: Mon, 12 Dec 2022 16:07:54 +0100
Subject: [PATCH] multipart upload: fix upload of files starting with newlines
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Currently, if a file starts with a newline, it gets removed and the
upload succeeds (provided no hash is given).

Signed-off-by: Matthias Heiserer <m.heiserer@proxmox.com>
Reviewed-by: Daniel Tschlatscher <d.tschlatscher@proxmox.com>
Tested-by:  Daniel Tschlatscher <d.tschlatscher@proxmox.com>
---
 src/PVE/APIServer/AnyEvent.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PVE/APIServer/AnyEvent.pm b/src/PVE/APIServer/AnyEvent.pm
index f397a8c..545c122 100644
--- a/src/PVE/APIServer/AnyEvent.pm
+++ b/src/PVE/APIServer/AnyEvent.pm
@@ -1217,7 +1217,7 @@ sub file_upload_multipart {
 	    if ($hdl->{rbuf} =~
 		s/^${delim_re}
 		Content-Disposition:\ (.*?);\ name="(.*?)";\ filename="([^"]+)"${newline_re}
-		Content-Type:\ \S*\s+
+		Content-Type:\ \S*${newline_re}{2}
 		//sxx
 	    ) {
 		assert_form_disposition($1);