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 <daniel@xxxxxxxxxx> --- 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 <linux/list.h> /* For struct list_head */ #include <linux/socket.h> #include <linux/ip.h> +#include <linux/netfilter.h> #include <linux/time.h> /* For struct timeval */ #include <linux/slab.h> #include <net/ip.h> @@ -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 -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
