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ipv6: Pass struct net into ip6_route_me_harder

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

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Eric W. Biederman 2015-09-25 15:07:31 -05:00 committed by Pablo Neira Ayuso
parent e45f50660e
commit 5f5d74d723
6 changed files with 7 additions and 8 deletions
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2
include/linux/netfilter_ipv6.h
View File

@ -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);

5
net/ipv6/netfilter.c
View File

@ -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;
}

2
net/ipv6/netfilter/ip6table_mangle.c
View File

@ -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);
}

2
net/ipv6/netfilter/nf_nat_l3proto_ipv6.c
View File

@ -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);
}

2
net/ipv6/netfilter/nft_chain_route_ipv6.c
View File

@ -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;
}

2
net/netfilter/ipvs/ip_vs_core.c
View File

@ -715,7 +715,7 @@ static int ip_vs_route_me_harder(struct netns_ipvs *ipvs, int af,
struct dst_entry *dst = skb_dst(skb);
if (dst->dev && !(dst->dev->flags & IFF_LOOPBACK) &&
ip6_route_me_harder(skb) != 0)
ip6_route_me_harder(ipvs->net, skb) != 0)
return 1;
} else
#endif