diff options
Diffstat (limited to 'net/netfilter/nf_nat_proto.c')
| -rw-r--r-- | net/netfilter/nf_nat_proto.c | 43 |
1 files changed, 37 insertions, 6 deletions
diff --git a/net/netfilter/nf_nat_proto.c b/net/netfilter/nf_nat_proto.c index 62743da3004f..606d0a740615 100644 --- a/net/netfilter/nf_nat_proto.c +++ b/net/netfilter/nf_nat_proto.c @@ -725,7 +725,7 @@ nf_nat_ipv4_local_fn(void *priv, struct sk_buff *skb, return ret; } -static const struct nf_hook_ops nf_nat_ipv4_ops[] = { +const struct nf_hook_ops nf_nat_ipv4_ops[] = { /* Before packet filtering, change destination */ { .hook = nf_nat_ipv4_in, @@ -758,13 +758,14 @@ static const struct nf_hook_ops nf_nat_ipv4_ops[] = { int nf_nat_ipv4_register_fn(struct net *net, const struct nf_hook_ops *ops) { - return nf_nat_register_fn(net, ops, nf_nat_ipv4_ops, ARRAY_SIZE(nf_nat_ipv4_ops)); + return nf_nat_register_fn(net, ops->pf, ops, nf_nat_ipv4_ops, + ARRAY_SIZE(nf_nat_ipv4_ops)); } EXPORT_SYMBOL_GPL(nf_nat_ipv4_register_fn); void nf_nat_ipv4_unregister_fn(struct net *net, const struct nf_hook_ops *ops) { - nf_nat_unregister_fn(net, ops, ARRAY_SIZE(nf_nat_ipv4_ops)); + nf_nat_unregister_fn(net, ops->pf, ops, ARRAY_SIZE(nf_nat_ipv4_ops)); } EXPORT_SYMBOL_GPL(nf_nat_ipv4_unregister_fn); @@ -977,7 +978,7 @@ nf_nat_ipv6_local_fn(void *priv, struct sk_buff *skb, return ret; } -static const struct nf_hook_ops nf_nat_ipv6_ops[] = { +const struct nf_hook_ops nf_nat_ipv6_ops[] = { /* Before packet filtering, change destination */ { .hook = nf_nat_ipv6_in, @@ -1010,14 +1011,44 @@ static const struct nf_hook_ops nf_nat_ipv6_ops[] = { int nf_nat_ipv6_register_fn(struct net *net, const struct nf_hook_ops *ops) { - return nf_nat_register_fn(net, ops, nf_nat_ipv6_ops, + return nf_nat_register_fn(net, ops->pf, ops, nf_nat_ipv6_ops, ARRAY_SIZE(nf_nat_ipv6_ops)); } EXPORT_SYMBOL_GPL(nf_nat_ipv6_register_fn); void nf_nat_ipv6_unregister_fn(struct net *net, const struct nf_hook_ops *ops) { - nf_nat_unregister_fn(net, ops, ARRAY_SIZE(nf_nat_ipv6_ops)); + nf_nat_unregister_fn(net, ops->pf, ops, ARRAY_SIZE(nf_nat_ipv6_ops)); } EXPORT_SYMBOL_GPL(nf_nat_ipv6_unregister_fn); #endif /* CONFIG_IPV6 */ + +#if defined(CONFIG_NF_TABLES_INET) && IS_ENABLED(CONFIG_NFT_NAT) +int nf_nat_inet_register_fn(struct net *net, const struct nf_hook_ops *ops) +{ + int ret; + + if (WARN_ON_ONCE(ops->pf != NFPROTO_INET)) + return -EINVAL; + + ret = nf_nat_register_fn(net, NFPROTO_IPV6, ops, nf_nat_ipv6_ops, + ARRAY_SIZE(nf_nat_ipv6_ops)); + if (ret) + return ret; + + ret = nf_nat_register_fn(net, NFPROTO_IPV4, ops, nf_nat_ipv4_ops, + ARRAY_SIZE(nf_nat_ipv4_ops)); + if (ret) + nf_nat_ipv6_unregister_fn(net, ops); + + return ret; +} +EXPORT_SYMBOL_GPL(nf_nat_inet_register_fn); + +void nf_nat_inet_unregister_fn(struct net *net, const struct nf_hook_ops *ops) +{ + nf_nat_unregister_fn(net, NFPROTO_IPV4, ops, ARRAY_SIZE(nf_nat_ipv4_ops)); + nf_nat_unregister_fn(net, NFPROTO_IPV6, ops, ARRAY_SIZE(nf_nat_ipv6_ops)); +} +EXPORT_SYMBOL_GPL(nf_nat_inet_unregister_fn); +#endif /* NFT INET NAT */ |