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Commit 5f5d74d7 authored by Eric W. Biederman's avatar Eric W. Biederman Committed by Pablo Neira Ayuso
Browse files

ipv6: Pass struct net into ip6_route_me_harder 



Don't make ip6_route_me_harder guess which network namespace
it is routing in, pass the network namespace in.

Signed-off-by: default avatarEric W. Biederman <ebiederm@xmission.com>
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent e45f5066

include/linux/netfilter_ipv6.h

+1 −1
Original line number Diff line number Diff line
@@ -22,7 +22,7 @@ struct nf_ipv6_ops { 
};



#ifdef CONFIG_NETFILTER

int ip6_route_me_harder(struct sk_buff *skb);

int ip6_route_me_harder(struct net *net, struct sk_buff *skb);

__sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,

			unsigned int dataoff, u_int8_t protocol);

net/ipv6/netfilter.c

+2 −3
Original line number Diff line number Diff line
@@ -18,9 +18,8 @@ 
#include <net/ip6_checksum.h>

#include <net/netfilter/nf_queue.h>



int ip6_route_me_harder(struct sk_buff *skb)

int ip6_route_me_harder(struct net *net, struct sk_buff *skb)

{

	struct net *net = dev_net(skb_dst(skb)->dev);

	const struct ipv6hdr *iph = ipv6_hdr(skb);

	unsigned int hh_len;

	struct dst_entry *dst;
@@ -103,7 +102,7 @@ static int nf_ip6_reroute(struct net *net, struct sk_buff *skb, 
		if (!ipv6_addr_equal(&iph->daddr, &rt_info->daddr) ||

		    !ipv6_addr_equal(&iph->saddr, &rt_info->saddr) ||

		    skb->mark != rt_info->mark)

			return ip6_route_me_harder(skb);

			return ip6_route_me_harder(net, skb);

	}

	return 0;

}

net/ipv6/netfilter/ip6table_mangle.c

+1 −1
Original line number Diff line number Diff line
@@ -65,7 +65,7 @@ ip6t_mangle_out(struct sk_buff *skb, const struct nf_hook_state *state) 
	     skb->mark != mark ||

	     ipv6_hdr(skb)->hop_limit != hop_limit ||

	     flowlabel != *((u_int32_t *)ipv6_hdr(skb)))) {

		err = ip6_route_me_harder(skb);

		err = ip6_route_me_harder(state->net, skb);

		if (err < 0)

			ret = NF_DROP_ERR(err);

	}

net/ipv6/netfilter/nf_nat_l3proto_ipv6.c

+1 −1
Original line number Diff line number Diff line
@@ -437,7 +437,7 @@ nf_nat_ipv6_local_fn(void *priv, struct sk_buff *skb, 


		if (!nf_inet_addr_cmp(&ct->tuplehash[dir].tuple.dst.u3,

				      &ct->tuplehash[!dir].tuple.src.u3)) {

			err = ip6_route_me_harder(skb);

			err = ip6_route_me_harder(state->net, skb);

			if (err < 0)

				ret = NF_DROP_ERR(err);

		}

net/ipv6/netfilter/nft_chain_route_ipv6.c

+1 −1
Original line number Diff line number Diff line
@@ -52,7 +52,7 @@ static unsigned int nf_route_table_hook(void *priv, 
	     skb->mark != mark ||

	     ipv6_hdr(skb)->hop_limit != hop_limit ||

	     flowlabel != *((u_int32_t *)ipv6_hdr(skb))))

		return ip6_route_me_harder(skb) == 0 ? ret : NF_DROP;

		return ip6_route_me_harder(state->net, skb) == 0 ? ret : NF_DROP;



	return ret;

}