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Date: Wed, 17 Jun 2015 10:28:45 -0500
From: "Eric W. Biederman" <ebiederm@...ssion.com>
To: David Miller <davem@...emloft.net>
Cc: <netdev@...r.kernel.org>, netfilter-devel@...r.kernel.org,
Stephen Hemminger <stephen@...workplumber.org>,
Juanjo Ciarlante <jjciarla@...z.uncu.edu.ar>,
Wensong Zhang <wensong@...ux-vs.org>,
Simon Horman <horms@...ge.net.au>,
Julian Anastasov <ja@....bg>,
Pablo Neira Ayuso <pablo@...filter.org>,
Patrick McHardy <kaber@...sh.net>,
Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
Jamal Hadi Salim <jhs@...atatu.com>,
Steffen Klassert <steffen.klassert@...unet.com>,
Herbert Xu <herbert@...dor.apana.org.au>
Subject: [PATCH net-next 36/43] netfilter: nf_conntract: Register netfilter hooks in all network namespaces
From: Eric W Biederman <ebiederm@...ssion.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>
---
net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c | 22 +++++++++++-----------
net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c | 24 ++++++++++++------------
2 files changed, 23 insertions(+), 23 deletions(-)
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index abf6f60e80fe..735a32dace73 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -424,7 +424,15 @@ static int ipv4_net_init(struct net *net)
pr_err("nf_conntrack_ipv4: pernet registration failed\n");
goto out_ipv4;
}
+ ret = nf_register_hooks(net, ipv4_conntrack_ops,
+ ARRAY_SIZE(ipv4_conntrack_ops));
+ if (ret < 0) {
+ pr_err("nf_conntrack_ipv4: can't register hooks.\n");
+ goto out_hooks;
+ }
return 0;
+out_hooks:
+ nf_ct_l3proto_pernet_unregister(net, &nf_conntrack_l3proto_ipv4);
out_ipv4:
nf_ct_l4proto_pernet_unregister(net, &nf_conntrack_l4proto_icmp);
out_icmp:
@@ -437,6 +445,8 @@ out_tcp:
static void ipv4_net_exit(struct net *net)
{
+ nf_unregister_hooks(net, ipv4_conntrack_ops,
+ ARRAY_SIZE(ipv4_conntrack_ops));
nf_ct_l3proto_pernet_unregister(net, &nf_conntrack_l3proto_ipv4);
nf_ct_l4proto_pernet_unregister(net, &nf_conntrack_l4proto_icmp);
nf_ct_l4proto_pernet_unregister(net, &nf_conntrack_l4proto_udp4);
@@ -467,17 +477,10 @@ static int __init nf_conntrack_l3proto_ipv4_init(void)
goto cleanup_sockopt;
}
- ret = nf_register_hooks(&init_net, ipv4_conntrack_ops,
- ARRAY_SIZE(ipv4_conntrack_ops));
- if (ret < 0) {
- pr_err("nf_conntrack_ipv4: can't register hooks.\n");
- goto cleanup_pernet;
- }
-
ret = nf_ct_l4proto_register(&nf_conntrack_l4proto_tcp4);
if (ret < 0) {
pr_err("nf_conntrack_ipv4: can't register tcp4 proto.\n");
- goto cleanup_hooks;
+ goto cleanup_pernet;
}
ret = nf_ct_l4proto_register(&nf_conntrack_l4proto_udp4);
@@ -514,8 +517,6 @@ static int __init nf_conntrack_l3proto_ipv4_init(void)
nf_ct_l4proto_unregister(&nf_conntrack_l4proto_udp4);
cleanup_tcp4:
nf_ct_l4proto_unregister(&nf_conntrack_l4proto_tcp4);
- cleanup_hooks:
- nf_unregister_hooks(&init_net, ipv4_conntrack_ops, ARRAY_SIZE(ipv4_conntrack_ops));
cleanup_pernet:
unregister_pernet_subsys(&ipv4_net_ops);
cleanup_sockopt:
@@ -533,7 +534,6 @@ static void __exit nf_conntrack_l3proto_ipv4_fini(void)
nf_ct_l4proto_unregister(&nf_conntrack_l4proto_icmp);
nf_ct_l4proto_unregister(&nf_conntrack_l4proto_udp4);
nf_ct_l4proto_unregister(&nf_conntrack_l4proto_tcp4);
- nf_unregister_hooks(&init_net, ipv4_conntrack_ops, ARRAY_SIZE(ipv4_conntrack_ops));
unregister_pernet_subsys(&ipv4_net_ops);
nf_unregister_sockopt(&so_getorigdst);
}
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 710ed6607e66..5823956fa130 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -366,7 +366,16 @@ static int ipv6_net_init(struct net *net)
pr_err("nf_conntrack_ipv6: pernet registration failed.\n");
goto cleanup_icmpv6;
}
+ ret = nf_register_hooks(net, ipv6_conntrack_ops,
+ ARRAY_SIZE(ipv6_conntrack_ops));
+ if (ret < 0) {
+ pr_err("nf_conntrack_ipv6: can't register pre-routing defrag "
+ "hook.\n");
+ goto cleanup_hooks;
+ }
return 0;
+cleanup_hooks:
+ nf_ct_l3proto_pernet_unregister(net, &nf_conntrack_l3proto_ipv6);
cleanup_icmpv6:
nf_ct_l4proto_pernet_unregister(net, &nf_conntrack_l4proto_icmpv6);
cleanup_udp6:
@@ -379,6 +388,8 @@ static int ipv6_net_init(struct net *net)
static void ipv6_net_exit(struct net *net)
{
+ nf_unregister_hooks(net, ipv6_conntrack_ops,
+ ARRAY_SIZE(ipv6_conntrack_ops));
nf_ct_l3proto_pernet_unregister(net, &nf_conntrack_l3proto_ipv6);
nf_ct_l4proto_pernet_unregister(net, &nf_conntrack_l4proto_icmpv6);
nf_ct_l4proto_pernet_unregister(net, &nf_conntrack_l4proto_udp6);
@@ -407,18 +418,10 @@ static int __init nf_conntrack_l3proto_ipv6_init(void)
if (ret < 0)
goto cleanup_sockopt;
- ret = nf_register_hooks(&init_net, ipv6_conntrack_ops,
- ARRAY_SIZE(ipv6_conntrack_ops));
- if (ret < 0) {
- pr_err("nf_conntrack_ipv6: can't register pre-routing defrag "
- "hook.\n");
- goto cleanup_pernet;
- }
-
ret = nf_ct_l4proto_register(&nf_conntrack_l4proto_tcp6);
if (ret < 0) {
pr_err("nf_conntrack_ipv6: can't register tcp6 proto.\n");
- goto cleanup_hooks;
+ goto cleanup_pernet;
}
ret = nf_ct_l4proto_register(&nf_conntrack_l4proto_udp6);
@@ -446,8 +449,6 @@ static int __init nf_conntrack_l3proto_ipv6_init(void)
nf_ct_l4proto_unregister(&nf_conntrack_l4proto_udp6);
cleanup_tcp6:
nf_ct_l4proto_unregister(&nf_conntrack_l4proto_tcp6);
- cleanup_hooks:
- nf_unregister_hooks(&init_net, ipv6_conntrack_ops, ARRAY_SIZE(ipv6_conntrack_ops));
cleanup_pernet:
unregister_pernet_subsys(&ipv6_net_ops);
cleanup_sockopt:
@@ -462,7 +463,6 @@ static void __exit nf_conntrack_l3proto_ipv6_fini(void)
nf_ct_l4proto_unregister(&nf_conntrack_l4proto_tcp6);
nf_ct_l4proto_unregister(&nf_conntrack_l4proto_udp6);
nf_ct_l4proto_unregister(&nf_conntrack_l4proto_icmpv6);
- nf_unregister_hooks(&init_net, ipv6_conntrack_ops, ARRAY_SIZE(ipv6_conntrack_ops));
unregister_pernet_subsys(&ipv6_net_ops);
nf_unregister_sockopt(&so_getorigdst6);
}
--
2.2.1
--
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