From fba71c50d2bd6a14011ffb2f8cf9a62e8e2f836d Mon Sep 17 00:00:00 2001
From: martijn <martijn@openbsd.org>
Date: Tue, 24 Oct 2023 14:21:58 +0000
Subject: [PATCH] FC3416 section 4.2.1 (and others) tells us that if an error
 occurs the varbindlist in the response must be identical to the original
 request.

OK tb@
---
 usr.sbin/snmpd/application.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/usr.sbin/snmpd/application.c b/usr.sbin/snmpd/application.c
index 3f580902f9c..52aa34d72b7 100644
--- a/usr.sbin/snmpd/application.c
+++ b/usr.sbin/snmpd/application.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: application.c,v 1.23 2023/10/24 14:19:44 martijn Exp $	*/
+/*	$OpenBSD: application.c,v 1.24 2023/10/24 14:21:58 martijn Exp $	*/
 
 /*
  * Copyright (c) 2021 Martijn van Duren <martijn@openbsd.org>
@@ -1185,6 +1185,9 @@ appl_varbind_valid(struct appl_varbind *varbind,
 	int cmp;
 	int eomv = 0;
 
+	if (null)
+		next = 0;
+
 	if (varbind->av_value == NULL) {
 		if (!null) {
 			*errstr = "missing value";
-- 
2.20.1