iptables/SOURCES/0094-extensions-libipt_ttl-Sanitize-xlate-callback.patch
2023-10-17 13:52:06 +00:00

40 lines
1.1 KiB
Diff

From 64788807be19d744bb9c57943e74fe6775a8c05f Mon Sep 17 00:00:00 2001
From: Phil Sutter <phil@nwl.cc>
Date: Wed, 16 Nov 2022 13:09:16 +0100
Subject: [PATCH] extensions: libipt_ttl: Sanitize xlate callback
Catch unexpected values in info->mode, also fix indenting.
Fixes: 1b320a1a1dc1f ("extensions: libipt_ttl: Add translation to nft")
Signed-off-by: Phil Sutter <phil@nwl.cc>
(cherry picked from commit 800bed28b2b7bbd931166c7426640ae619f03342)
---
extensions/libipt_ttl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/extensions/libipt_ttl.c b/extensions/libipt_ttl.c
index 6bdd219618091..86ba554ef92a8 100644
--- a/extensions/libipt_ttl.c
+++ b/extensions/libipt_ttl.c
@@ -106,7 +106,7 @@ static int ttl_xlate(struct xt_xlate *xl,
const struct ipt_ttl_info *info =
(struct ipt_ttl_info *) params->match->data;
- switch (info->mode) {
+ switch (info->mode) {
case IPT_TTL_EQ:
xt_xlate_add(xl, "ip ttl");
break;
@@ -121,7 +121,7 @@ static int ttl_xlate(struct xt_xlate *xl,
break;
default:
/* Should not happen. */
- break;
+ return 0;
}
xt_xlate_add(xl, " %u", info->ttl);
--
2.40.0