diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/netfilter/nf_tables_ipv6.c | 48 |
1 files changed, 20 insertions, 28 deletions
diff --git a/net/ipv6/netfilter/nf_tables_ipv6.c b/net/ipv6/netfilter/nf_tables_ipv6.c index d77db8a1350..54a2bcdc8a1 100644 --- a/net/ipv6/netfilter/nf_tables_ipv6.c +++ b/net/ipv6/netfilter/nf_tables_ipv6.c @@ -16,24 +16,35 @@ #include <net/netfilter/nf_tables.h> #include <net/netfilter/nf_tables_ipv6.h> +static unsigned int nft_do_chain_ipv6(const struct nf_hook_ops *ops, + struct sk_buff *skb, + const struct net_device *in, + const struct net_device *out, + int (*okfn)(struct sk_buff *)) +{ + struct nft_pktinfo pkt; + + /* malformed packet, drop it */ + if (nft_set_pktinfo_ipv6(&pkt, ops, skb, in, out) < 0) + return NF_DROP; + + return nft_do_chain_pktinfo(&pkt, ops); +} + static unsigned int nft_ipv6_output(const struct nf_hook_ops *ops, struct sk_buff *skb, const struct net_device *in, const struct net_device *out, int (*okfn)(struct sk_buff *)) { - struct nft_pktinfo pkt; - if (unlikely(skb->len < sizeof(struct ipv6hdr))) { if (net_ratelimit()) pr_info("nf_tables_ipv6: ignoring short SOCK_RAW " "packet\n"); return NF_ACCEPT; } - if (nft_set_pktinfo_ipv6(&pkt, ops, skb, in, out) < 0) - return NF_DROP; - return nft_do_chain_pktinfo(&pkt, ops); + return nft_do_chain_ipv6(ops, skb, in, out, okfn); } static struct nft_af_info nft_af_ipv6 __read_mostly = { @@ -41,7 +52,11 @@ static struct nft_af_info nft_af_ipv6 __read_mostly = { .nhooks = NF_INET_NUMHOOKS, .owner = THIS_MODULE, .hooks = { + [NF_INET_LOCAL_IN] = nft_do_chain_ipv6, [NF_INET_LOCAL_OUT] = nft_ipv6_output, + [NF_INET_FORWARD] = nft_do_chain_ipv6, + [NF_INET_PRE_ROUTING] = nft_do_chain_ipv6, + [NF_INET_POST_ROUTING] = nft_do_chain_ipv6, }, }; @@ -73,22 +88,6 @@ static struct pernet_operations nf_tables_ipv6_net_ops = { .exit = nf_tables_ipv6_exit_net, }; -static unsigned int -nft_do_chain_ipv6(const struct nf_hook_ops *ops, - struct sk_buff *skb, - const struct net_device *in, - const struct net_device *out, - int (*okfn)(struct sk_buff *)) -{ - struct nft_pktinfo pkt; - - /* malformed packet, drop it */ - if (nft_set_pktinfo_ipv6(&pkt, ops, skb, in, out) < 0) - return NF_DROP; - - return nft_do_chain_pktinfo(&pkt, ops); -} - static struct nf_chain_type filter_ipv6 = { .family = NFPROTO_IPV6, .name = "filter", @@ -98,13 +97,6 @@ static struct nf_chain_type filter_ipv6 = { (1 << NF_INET_FORWARD) | (1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_POST_ROUTING), - .fn = { - [NF_INET_LOCAL_IN] = nft_do_chain_ipv6, - [NF_INET_LOCAL_OUT] = nft_ipv6_output, - [NF_INET_FORWARD] = nft_do_chain_ipv6, - [NF_INET_PRE_ROUTING] = nft_do_chain_ipv6, - [NF_INET_POST_ROUTING] = nft_do_chain_ipv6, - }, }; static int __init nf_tables_ipv6_init(void) |