commit 6e77fedee83d3eef0426acdc4504910f97cf4b48
from: tb <tb@openbsd.org>
date: Sat Dec 20 23:12:53 2025 UTC

httpd: fix server_http_time() to emit GMT times again

The HTTP standard RFC 9110 requires GMT, in HTTP-date. We used to do this
until a recent change to localtime.c changed GMT to UTC.

From Sören Tempel, ok sthen

commit - 3f1c295feef22d2d6550dc7686e2c0f94b67d306
commit + 6e77fedee83d3eef0426acdc4504910f97cf4b48
blob - f6412e80bf7e93b6807b4c66464c6782713e3747
blob + 485b67bc5e8079007e2ab36d1d5e4bea70086f49
--- server_http.c
+++ server_http.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: server_http.c,v 1.156 2025/11/28 16:10:00 rsadowski Exp $	*/
+/*	$OpenBSD: server_http.c,v 1.157 2025/12/20 23:12:53 tb Exp $	*/
 
 /*
  * Copyright (c) 2020 Matthias Pressfreund <mpfr@fn.de>
@@ -796,7 +796,7 @@ server_http_time(time_t t, char *tmbuf, size_t len)
 	if (t == -1 || gmtime_r(&t, &tm) == NULL)
 		return (-1);
 	else
-		return (strftime(tmbuf, len, "%a, %d %h %Y %T %Z", &tm));
+		return (strftime(tmbuf, len, "%a, %d %h %Y %T GMT", &tm));
 }
 
 const char *