From: Patrick McHardy <kaber@trash.net>
To: KOVACS Krisztian <hidden@sch.bme.hu>
Cc: netfilter-devel@vger.kernel.org,
Balazs Scheidler <bazsi@balabit.hu>,
Toth Laszlo Attila <panther@balabit.hu>
Subject: Re: [PATCH 10/13] iptables socket match
Date: Mon, 08 Oct 2007 10:32:57 +0200 [thread overview]
Message-ID: <4709EB39.4010504@trash.net> (raw)
In-Reply-To: <20071002204451.11052.79411.stgit@nessa.odu>
KOVACS Krisztian wrote:
> +config NETFILTER_XT_MATCH_SOCKET
> + tristate '"socket" match support'
> + depends on NETFILTER_TPROXY
> + depends on NETFILTER_XTABLES
EXPERIMENTAL please.
> +static bool
> +socket_match(const struct sk_buff *skb,
> + const struct net_device *in,
> + const struct net_device *out,
> + const struct xt_match *match,
> + const void *matchinfo,
> + int offset,
> + unsigned int protoff,
> + bool *hotdrop)
> +{
> + const struct iphdr *iph = ip_hdr(skb);
> + struct udphdr _hdr, *hp;
> + struct sock *sk;
> +
> + /* TCP/UDP only */
> + if (iph->protocol != IPPROTO_TCP && iph->protocol != IPPROTO_UDP)
> + return false;
How about making sure that its only used in a -p udp or -p tcp
rule in ->checkentry() instead?
next prev parent reply other threads:[~2007-10-08 8:35 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-02 20:39 [PATCH 00/13] Transparent Proxying Patches, Take 4 KOVACS Krisztian
2007-10-02 20:40 ` [PATCH 01/13] Loosen source address check on IPv4 output KOVACS Krisztian
2007-10-02 20:40 ` [PATCH 02/13] Implement IP_TRANSPARENT socket option KOVACS Krisztian
2007-10-02 20:41 ` [PATCH 03/13] Allow binding to non-local addresses if IP_TRANSPARENT is set KOVACS Krisztian
2007-10-02 20:41 ` [PATCH 04/13] Conditionally enable transparent flow flag when connecting KOVACS Krisztian
2007-10-02 20:42 ` [PATCH 05/13] Handle TCP SYN+ACK/ACK/RST transparency KOVACS Krisztian
2007-10-02 20:42 ` [PATCH 06/13] Port redirection support for TCP KOVACS Krisztian
2007-10-02 20:43 ` [PATCH 07/13] Export UDP socket lookup function KOVACS Krisztian
2007-10-02 20:43 ` [PATCH 08/13] Split Netfilter IPv4 defragmentation into a separate module KOVACS Krisztian
2007-10-08 8:30 ` Patrick McHardy
2007-10-17 19:11 ` Krzysztof Oledzki
2007-10-23 18:26 ` KOVACS Krisztian
2007-10-02 20:44 ` [PATCH 09/13] iptables tproxy core KOVACS Krisztian
2007-10-02 20:44 ` [PATCH 10/13] iptables socket match KOVACS Krisztian
2007-10-08 8:32 ` Patrick McHardy [this message]
2007-10-02 20:45 ` [PATCH 11/13] iptables TPROXY target KOVACS Krisztian
2007-10-08 8:34 ` Patrick McHardy
2007-10-02 20:45 ` [PATCH 12/13] Don't lookup the socket if there's a socket attached to the skb KOVACS Krisztian
2007-10-02 20:46 ` [PATCH 13/13] " KOVACS Krisztian
-- strict thread matches above, loose matches on Subject: below --
2007-09-30 20:51 [PATCH 00/13] Transparent Proxying Patches, Take 3 KOVACS Krisztian
2007-09-30 20:53 ` [PATCH 10/13] iptables socket match KOVACS Krisztian
2007-09-30 21:43 ` Jan Engelhardt
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