From 0c371aeab906b6e65c4c86174cbe2fbca02891d1 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Tue, 20 Jul 2021 18:59:44 +0200
Subject: [PATCH] evaluate: fix inet nat with no layer 3 info
nft currently reports:
Error: Could not process rule: Protocol error
add rule inet x y meta l4proto tcp dnat to :80
^^^^
default to NFPROTO_INET family, otherwise kernel bails out EPROTO when
trying to load the conntrack helper.
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1428
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
(cherry picked from commit 9a36033ce50638a403d1421935cdd1287ee5de6b)
---
src/evaluate.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/evaluate.c b/src/evaluate.c
index bba685af720ed..73d6fd0e89bc2 100644
--- a/src/evaluate.c
+++ b/src/evaluate.c
@@ -2896,9 +2896,10 @@ static int nat_evaluate_family(struct eval_ctx *ctx, struct stmt *stmt)
stmt->nat.family = ctx->pctx.family;
return 0;
case NFPROTO_INET:
- if (!stmt->nat.addr)
+ if (!stmt->nat.addr) {
+ stmt->nat.family = NFPROTO_INET;
return 0;
-
+ }
if (stmt->nat.family != NFPROTO_UNSPEC)
return 0;
--
2.34.1