From: Phil Sutter <phil@nwl.cc>
To: netfilter-devel@vger.kernel.org
Cc: Florian Westphal <fw@strlen.de>
Subject: [iptables PATCH 3/7] nft: Fix for comparing ifname matches against nft-generated ones
Date: Thu, 1 Dec 2022 17:39:12 +0100 [thread overview]
Message-ID: <20221201163916.30808-4-phil@nwl.cc> (raw)
In-Reply-To: <20221201163916.30808-1-phil@nwl.cc>
Since nft adds the interface name as fixed-size string of 16 bytes,
filling a mask based on the length value will not match the mask nft
set.
Fixes: 652b98e793711 ("xtables-compat: fix wildcard detection")
Signed-off-by: Phil Sutter <phil@nwl.cc>
---
iptables/nft-shared.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/iptables/nft-shared.c b/iptables/nft-shared.c
index 63d251986f65b..e812a9bcae466 100644
--- a/iptables/nft-shared.c
+++ b/iptables/nft-shared.c
@@ -279,7 +279,7 @@ static void parse_ifname(const char *name, unsigned int len, char *dst, unsigned
memcpy(dst, name, len);
if (name[len - 1] == '\0') {
if (mask)
- memset(mask, 0xff, len);
+ memset(mask, 0xff, strlen(name) + 1);
return;
}
--
2.38.0
next prev parent reply other threads:[~2022-12-01 16:40 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-01 16:39 [iptables PATCH 0/7] tests: xlate: generic.txlate to pass replay test Phil Sutter
2022-12-01 16:39 ` [iptables PATCH 1/7] ebtables: Implement --check command Phil Sutter
2022-12-08 21:40 ` Pablo Neira Ayuso
2022-12-09 0:41 ` Phil Sutter
2022-12-09 15:23 ` Pablo Neira Ayuso
2022-12-09 16:51 ` Phil Sutter
2022-12-09 20:09 ` Pablo Neira Ayuso
2022-12-01 16:39 ` [iptables PATCH 2/7] tests: xlate: Use --check to verify replay Phil Sutter
2022-12-01 16:39 ` Phil Sutter [this message]
2022-12-01 16:39 ` [iptables PATCH 4/7] nft: Fix match generator for '! -i +' Phil Sutter
2022-12-08 12:23 ` Pablo Neira Ayuso
2022-12-08 13:19 ` Phil Sutter
2022-12-08 20:31 ` Pablo Neira Ayuso
2022-12-09 0:25 ` Phil Sutter
2022-12-01 16:39 ` [iptables PATCH 5/7] nft: Recognize INVAL/D interface name Phil Sutter
2022-12-01 16:39 ` [iptables PATCH 6/7] xtables-translate: Fix for interfaces with asterisk mid-string Phil Sutter
2022-12-01 16:39 ` [iptables PATCH 7/7] ebtables: Fix MAC address match translation Phil Sutter
2022-12-02 0:46 ` [iptables PATCH 0/7] tests: xlate: generic.txlate to pass replay test Phil Sutter
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