From: Eric W Biederman <[email protected]>
Inspired-by: Pablo Neira Ayuso <[email protected]>
Signed-off-by: Eric W Biederman <[email protected]>
---
net/ipv4/netfilter/ipt_SYNPROXY.c | 24 ++++++++++++++++++++----
net/ipv6/netfilter/ip6t_SYNPROXY.c | 24 ++++++++++++++++++++----
2 files changed, 40 insertions(+), 8 deletions(-)
diff --git a/net/ipv4/netfilter/ipt_SYNPROXY.c
b/net/ipv4/netfilter/ipt_SYNPROXY.c
index 301bb886a289..cb84e4e24175 100644
--- a/net/ipv4/netfilter/ipt_SYNPROXY.c
+++ b/net/ipv4/netfilter/ipt_SYNPROXY.c
@@ -446,12 +446,28 @@ static struct nf_hook_ops ipv4_synproxy_ops[]
__read_mostly = {
},
};
+static int synproxy_tg4_net_init(struct net *net)
+{
+ return nf_register_hooks(net, ipv4_synproxy_ops,
+ ARRAY_SIZE(ipv4_synproxy_ops));
+}
+
+static void synproxy_tg4_net_exit(struct net *net)
+{
+ nf_unregister_hooks(net, ipv4_synproxy_ops,
+ ARRAY_SIZE(ipv4_synproxy_ops));
+}
+
+static struct pernet_operations synproxy_tg4_net_ops = {
+ .init = synproxy_tg4_net_init,
+ .exit = synproxy_tg4_net_exit,
+};
+
static int __init synproxy_tg4_init(void)
{
int err;
- err = nf_register_hooks(&init_net, ipv4_synproxy_ops,
- ARRAY_SIZE(ipv4_synproxy_ops));
+ err = register_pernet_subsys(&synproxy_tg4_net_ops);
if (err < 0)
goto err1;
@@ -462,7 +478,7 @@ static int __init synproxy_tg4_init(void)
return 0;
err2:
- nf_unregister_hooks(&init_net, ipv4_synproxy_ops,
ARRAY_SIZE(ipv4_synproxy_ops));
+ unregister_pernet_subsys(&synproxy_tg4_net_ops);
err1:
return err;
}
@@ -470,7 +486,7 @@ err1:
static void __exit synproxy_tg4_exit(void)
{
xt_unregister_target(&synproxy_tg4_reg);
- nf_unregister_hooks(&init_net, ipv4_synproxy_ops,
ARRAY_SIZE(ipv4_synproxy_ops));
+ unregister_pernet_subsys(&synproxy_tg4_net_ops);
}
module_init(synproxy_tg4_init);
diff --git a/net/ipv6/netfilter/ip6t_SYNPROXY.c
b/net/ipv6/netfilter/ip6t_SYNPROXY.c
index 320521086b5c..0acc786fd3f0 100644
--- a/net/ipv6/netfilter/ip6t_SYNPROXY.c
+++ b/net/ipv6/netfilter/ip6t_SYNPROXY.c
@@ -469,12 +469,28 @@ static struct nf_hook_ops ipv6_synproxy_ops[]
__read_mostly = {
},
};
+static int synproxy_tg6_net_init(struct net *net)
+{
+ return nf_register_hooks(net, ipv6_synproxy_ops,
+ ARRAY_SIZE(ipv6_synproxy_ops));
+}
+
+static void synproxy_tg6_net_exit(struct net *net)
+{
+ nf_unregister_hooks(net, ipv6_synproxy_ops,
+ ARRAY_SIZE(ipv6_synproxy_ops));
+}
+
+static struct pernet_operations synproxy_tg6_net_ops = {
+ .init = synproxy_tg6_net_init,
+ .exit = synproxy_tg6_net_exit,
+};
+
static int __init synproxy_tg6_init(void)
{
int err;
- err = nf_register_hooks(&init_net, ipv6_synproxy_ops,
- ARRAY_SIZE(ipv6_synproxy_ops));
+ err = register_pernet_subsys(&synproxy_tg6_net_ops);
if (err < 0)
goto err1;
@@ -485,7 +501,7 @@ static int __init synproxy_tg6_init(void)
return 0;
err2:
- nf_unregister_hooks(&init_net, ipv6_synproxy_ops,
ARRAY_SIZE(ipv6_synproxy_ops));
+ unregister_pernet_subsys(&synproxy_tg6_net_ops);
err1:
return err;
}
@@ -493,7 +509,7 @@ err1:
static void __exit synproxy_tg6_exit(void)
{
xt_unregister_target(&synproxy_tg6_reg);
- nf_unregister_hooks(&init_net, ipv6_synproxy_ops,
ARRAY_SIZE(ipv6_synproxy_ops));
+ unregister_pernet_subsys(&synproxy_tg6_net_ops);
}
module_init(synproxy_tg6_init);
--
2.2.1
--
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