From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Mack Subject: [PATCH RFC 6/7] net: sctp: hook up LOCAL_SOCKET_IN netfilter chains Date: Tue, 29 Sep 2015 13:12:19 +0200 Message-ID: <1443525140-13493-7-git-send-email-daniel@zonque.org> References: <1443525140-13493-1-git-send-email-daniel@zonque.org> Cc: daniel@iogearbox.net, netfilter-devel@vger.kernel.org, netdev@vger.kernel.org, fw@strlen.de, balazs.scheidler@balabit.com, Daniel Mack To: pablo@netfilter.org Return-path: Received: from svenfoo.org ([82.94.215.22]:60187 "EHLO mail.zonque.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934732AbbI2LMk (ORCPT ); Tue, 29 Sep 2015 07:12:40 -0400 In-Reply-To: <1443525140-13493-1-git-send-email-daniel@zonque.org> Sender: netfilter-devel-owner@vger.kernel.org List-ID: Run the NF_INET_LOCAL_SOCKET_IN netfilter chain rules after the destination socket for SCTP packets have been looked up. Signed-off-by: Daniel Mack --- net/sctp/input.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/net/sctp/input.c b/net/sctp/input.c index b6493b3..0652406 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -45,6 +45,7 @@ #include /* For struct list_head */ #include #include +#include #include /* For struct timeval */ #include #include @@ -115,7 +116,7 @@ int sctp_rcv(struct sk_buff *skb) struct sctphdr *sh; union sctp_addr src; union sctp_addr dest; - int family; + int ret, family; struct sctp_af *af; struct net *net = dev_net(skb->dev); @@ -180,6 +181,14 @@ int sctp_rcv(struct sk_buff *skb) rcvr = asoc ? &asoc->base : &ep->base; sk = rcvr->sk; + /* Iterate through rules in LOCAL_SOCKET_IN, + * now that the receiver is known. + */ + ret = nf_hook(family == AF_INET ? NFPROTO_IPV4 : NFPROTO_IPV6, + NF_INET_LOCAL_SOCKET_IN, sk, skb, skb->dev, NULL, NULL); + if (ret != 1) + goto discard_release; + /* * If a frame arrives on an interface and the receiving socket is * bound to another interface, via SO_BINDTODEVICE, treat it as OOTB -- 2.5.0