From 1ca3f1267297b1e3ac45df2e9e240570bff62c84 Mon Sep 17 00:00:00 2001
From: Nick Craig-Wood <nick@craig-wood.com>
Date: Thu, 3 Oct 2024 10:21:05 +0100
Subject: [PATCH] s3: fix crash when using --s3-download-url after migration to
 SDKv2

Before this change rclone was crashing when the download URL did not
supply an X-Amz-Storage-Class header.

This change allows the header to be missing.

See: https://forum.rclone.org/t/sigsegv-on-ubuntu-24-04/48047
---
 backend/s3/s3.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/s3/s3.go b/backend/s3/s3.go
index 0c234dad9..38c62c811 100644
--- a/backend/s3/s3.go
+++ b/backend/s3/s3.go
@@ -5829,7 +5829,7 @@ func (o *Object) downloadFromURL(ctx context.Context, bucketPath string, options
 		ContentEncoding:    header("Content-Encoding"),
 		ContentLanguage:    header("Content-Language"),
 		ContentType:        header("Content-Type"),
-		StorageClass:       types.StorageClass(*header("X-Amz-Storage-Class")),
+		StorageClass:       types.StorageClass(deref(header("X-Amz-Storage-Class"))),
 	}
 	o.setMetaData(&head)
 	return resp.Body, err