Commit 3918fed5 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by David S. Miller

netfilter: arptables in netns for real

IN, FORWARD -- grab netns from in device, OUT -- from out device.
Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f858b486
......@@ -55,32 +55,53 @@ static struct xt_table packet_filter = {
};
/* The work comes in here from netfilter.c */
static unsigned int arpt_hook(unsigned int hook,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
static unsigned int arpt_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 arpt_do_table(skb, hook, in, out, init_net.ipv4.arptable_filter);
return arpt_do_table(skb, hook, in, out,
dev_net(in)->ipv4.arptable_filter);
}
static unsigned int arpt_out_hook(unsigned int hook,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
return arpt_do_table(skb, hook, in, out,
dev_net(out)->ipv4.arptable_filter);
}
static unsigned int arpt_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 arpt_do_table(skb, hook, in, out,
dev_net(in)->ipv4.arptable_filter);
}
static struct nf_hook_ops arpt_ops[] __read_mostly = {
{
.hook = arpt_hook,
.hook = arpt_in_hook,
.owner = THIS_MODULE,
.pf = NF_ARP,
.hooknum = NF_ARP_IN,
.priority = NF_IP_PRI_FILTER,
},
{
.hook = arpt_hook,
.hook = arpt_out_hook,
.owner = THIS_MODULE,
.pf = NF_ARP,
.hooknum = NF_ARP_OUT,
.priority = NF_IP_PRI_FILTER,
},
{
.hook = arpt_hook,
.hook = arpt_forward_hook,
.owner = THIS_MODULE,
.pf = NF_ARP,
.hooknum = NF_ARP_FORWARD,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment