netfilter: ip6table_filter in netns for real
One still needs to remove checks in nf_hook_slow() and nf_sockopt_find()
to test this, though.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c
index f979e48..55a2c29 100644
--- a/net/ipv6/netfilter/ip6table_filter.c
+++ b/net/ipv6/netfilter/ip6table_filter.c
@@ -61,13 +61,25 @@
/* The work comes in here from netfilter.c. */
static unsigned int
-ip6t_hook(unsigned int hook,
- struct sk_buff *skb,
- const struct net_device *in,
- const struct net_device *out,
- int (*okfn)(struct sk_buff *))
+ip6t_local_in_hook(unsigned int hook,
+ struct sk_buff *skb,
+ const struct net_device *in,
+ const struct net_device *out,
+ int (*okfn)(struct sk_buff *))
{
- return ip6t_do_table(skb, hook, in, out, init_net.ipv6.ip6table_filter);
+ return ip6t_do_table(skb, hook, in, out,
+ nf_local_in_net(in, out)->ipv6.ip6table_filter);
+}
+
+static unsigned int
+ip6t_forward_hook(unsigned int hook,
+ struct sk_buff *skb,
+ const struct net_device *in,
+ const struct net_device *out,
+ int (*okfn)(struct sk_buff *))
+{
+ return ip6t_do_table(skb, hook, in, out,
+ nf_forward_net(in, out)->ipv6.ip6table_filter);
}
static unsigned int
@@ -87,19 +99,20 @@
}
#endif
- return ip6t_do_table(skb, hook, in, out, init_net.ipv6.ip6table_filter);
+ return ip6t_do_table(skb, hook, in, out,
+ nf_local_out_net(in, out)->ipv6.ip6table_filter);
}
static struct nf_hook_ops ip6t_ops[] __read_mostly = {
{
- .hook = ip6t_hook,
+ .hook = ip6t_local_in_hook,
.owner = THIS_MODULE,
.pf = PF_INET6,
.hooknum = NF_INET_LOCAL_IN,
.priority = NF_IP6_PRI_FILTER,
},
{
- .hook = ip6t_hook,
+ .hook = ip6t_forward_hook,
.owner = THIS_MODULE,
.pf = PF_INET6,
.hooknum = NF_INET_FORWARD,