From: KOVACS Krisztian <hidden@sch.bme.hu>
To: Patrick McHardy <kaber@trash.net>
Cc: netfilter-devel@vger.kernel.org,
Balazs Scheidler <bazsi@balabit.hu>,
Toth Laszlo Attila <panther@balabit.hu>
Subject: [PATCH 12/13] Don't lookup the socket if there's a socket attached to the skb
Date: Sun, 30 Sep 2007 22:53:46 +0200 [thread overview]
Message-ID: <20070930205346.10969.8374.stgit@nessa.odu> (raw)
In-Reply-To: <20070930205141.10969.27205.stgit@nessa.odu>
Use the socket cached in the TPROXY target if it's present.
Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu>
---
net/ipv4/tcp_ipv4.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 7ae47e6..7ebf1c7 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1658,6 +1658,14 @@ int tcp_v4_rcv(struct sk_buff *skb)
TCP_SKB_CB(skb)->flags = iph->tos;
TCP_SKB_CB(skb)->sacked = 0;
+#if defined(CONFIG_IP_NF_TPROXY) || defined (CONFIG_IP_NF_TPROXY_MODULE)
+ if (unlikely(skb->sk)) {
+ /* steal reference */
+ sk = skb->sk;
+ skb->destructor = NULL;
+ skb->sk = NULL;
+ } else
+#endif
sk = __inet_lookup(&tcp_hashinfo, iph->saddr, th->source,
iph->daddr, th->dest, inet_iif(skb));
if (!sk)
next prev parent reply other threads:[~2007-09-30 21:11 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-30 20:51 [PATCH 00/13] Transparent Proxying Patches, Take 3 KOVACS Krisztian
2007-09-30 20:51 ` [PATCH 01/13] Loosen source address check on IPv4 output KOVACS Krisztian
2007-09-30 22:12 ` Patrick McHardy
2007-09-30 20:52 ` [PATCH 02/13] Implement IP_TRANSPARENT socket option KOVACS Krisztian
2007-09-30 22:12 ` Patrick McHardy
2007-09-30 20:52 ` [PATCH 03/13] Allow binding to non-local addresses if IP_TRANSPARENT is set KOVACS Krisztian
2007-09-30 22:12 ` Patrick McHardy
2007-09-30 20:52 ` [PATCH 04/13] Conditionally enable transparent flow flag when connecting KOVACS Krisztian
2007-09-30 20:52 ` [PATCH 05/13] Handle TCP SYN+ACK/ACK/RST transparency KOVACS Krisztian
2007-09-30 21:45 ` Jan Engelhardt
2007-09-30 21:46 ` Jan Engelhardt
2007-09-30 21:59 ` KOVACS Krisztian
2007-09-30 22:02 ` Jan Engelhardt
2007-09-30 21:58 ` KOVACS Krisztian
2007-09-30 22:23 ` Patrick McHardy
2007-10-01 19:27 ` KOVACS Krisztian
2007-09-30 20:52 ` [PATCH 06/13] Port redirection support for TCP KOVACS Krisztian
2007-09-30 22:26 ` Patrick McHardy
2007-09-30 22:49 ` KOVACS Krisztian
2007-10-01 14:09 ` Patrick McHardy
2007-10-01 14:24 ` KOVACS Krisztian
2007-09-30 20:52 ` [PATCH 07/13] Export UDP socket lookup function KOVACS Krisztian
2007-09-30 20:53 ` [PATCH 08/13] Split Netfilter IPv4 defragmentation into a separate module KOVACS Krisztian
2007-09-30 22:35 ` Patrick McHardy
2007-09-30 20:53 ` [PATCH 09/13] iptables tproxy core KOVACS Krisztian
2007-09-30 22:37 ` Patrick McHardy
2007-09-30 20:53 ` [PATCH 10/13] iptables socket match KOVACS Krisztian
2007-09-30 21:43 ` Jan Engelhardt
2007-09-30 22:15 ` [PATCH 10/13] xt_socket Jan Engelhardt
2007-09-30 20:53 ` [PATCH 11/13] iptables TPROXY target KOVACS Krisztian
2007-09-30 21:40 ` [PATCH 11/13] xtables " Jan Engelhardt
2007-09-30 22:07 ` KOVACS Krisztian
2007-09-30 22:20 ` [PATCH 11/13] xt_TPROXY Jan Engelhardt
2007-09-30 23:04 ` KOVACS Krisztian
2007-09-30 22:43 ` [PATCH 11/13] iptables TPROXY target Patrick McHardy
2007-09-30 22:50 ` Jan Engelhardt
2007-09-30 22:51 ` KOVACS Krisztian
2007-09-30 22:56 ` Patrick McHardy
2007-09-30 23:06 ` KOVACS Krisztian
2007-09-30 22:57 ` Jan Engelhardt
2007-10-01 14:11 ` Patrick McHardy
2007-09-30 20:53 ` KOVACS Krisztian [this message]
2007-09-30 20:53 ` [PATCH 13/13] Don't lookup the socket if there's a socket attached to the skb KOVACS Krisztian
2007-09-30 22:01 ` [PATCH 00/13] Transparent Proxying Patches, Take 3 Patrick McHardy
2007-09-30 22:13 ` KOVACS Krisztian
-- strict thread matches above, loose matches on Subject: below --
2007-10-02 20:39 [PATCH 00/13] Transparent Proxying Patches, Take 4 KOVACS Krisztian
2007-10-02 20:45 ` [PATCH 12/13] Don't lookup the socket if there's a socket attached to the skb KOVACS Krisztian
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