diff options
Diffstat (limited to 'net/ipv6')
-rw-r--r-- | net/ipv6/netfilter/nf_tables_ipv6.c | 33 | ||||
-rw-r--r-- | net/ipv6/netfilter/nft_chain_route_ipv6.c | 8 |
2 files changed, 34 insertions, 7 deletions
diff --git a/net/ipv6/netfilter/nf_tables_ipv6.c b/net/ipv6/netfilter/nf_tables_ipv6.c index 3631d6238e6f..42f905a808a3 100644 --- a/net/ipv6/netfilter/nf_tables_ipv6.c +++ b/net/ipv6/netfilter/nf_tables_ipv6.c | |||
@@ -14,6 +14,7 @@ | |||
14 | #include <linux/ipv6.h> | 14 | #include <linux/ipv6.h> |
15 | #include <linux/netfilter_ipv6.h> | 15 | #include <linux/netfilter_ipv6.h> |
16 | #include <net/netfilter/nf_tables.h> | 16 | #include <net/netfilter/nf_tables.h> |
17 | #include <net/netfilter/nf_tables_ipv6.h> | ||
17 | 18 | ||
18 | static unsigned int nft_ipv6_output(const struct nf_hook_ops *ops, | 19 | static unsigned int nft_ipv6_output(const struct nf_hook_ops *ops, |
19 | struct sk_buff *skb, | 20 | struct sk_buff *skb, |
@@ -21,14 +22,18 @@ static unsigned int nft_ipv6_output(const struct nf_hook_ops *ops, | |||
21 | const struct net_device *out, | 22 | const struct net_device *out, |
22 | int (*okfn)(struct sk_buff *)) | 23 | int (*okfn)(struct sk_buff *)) |
23 | { | 24 | { |
25 | struct nft_pktinfo pkt; | ||
26 | |||
24 | if (unlikely(skb->len < sizeof(struct ipv6hdr))) { | 27 | if (unlikely(skb->len < sizeof(struct ipv6hdr))) { |
25 | if (net_ratelimit()) | 28 | if (net_ratelimit()) |
26 | pr_info("nf_tables_ipv6: ignoring short SOCK_RAW " | 29 | pr_info("nf_tables_ipv6: ignoring short SOCK_RAW " |
27 | "packet\n"); | 30 | "packet\n"); |
28 | return NF_ACCEPT; | 31 | return NF_ACCEPT; |
29 | } | 32 | } |
33 | if (nft_set_pktinfo_ipv6(&pkt, ops, skb, in, out) < 0) | ||
34 | return NF_DROP; | ||
30 | 35 | ||
31 | return nft_do_chain(ops, skb, in, out, okfn); | 36 | return nft_do_chain_pktinfo(&pkt, ops); |
32 | } | 37 | } |
33 | 38 | ||
34 | static struct nft_af_info nft_af_ipv6 __read_mostly = { | 39 | static struct nft_af_info nft_af_ipv6 __read_mostly = { |
@@ -40,6 +45,22 @@ static struct nft_af_info nft_af_ipv6 __read_mostly = { | |||
40 | }, | 45 | }, |
41 | }; | 46 | }; |
42 | 47 | ||
48 | static unsigned int | ||
49 | nft_do_chain_ipv6(const struct nf_hook_ops *ops, | ||
50 | struct sk_buff *skb, | ||
51 | const struct net_device *in, | ||
52 | const struct net_device *out, | ||
53 | int (*okfn)(struct sk_buff *)) | ||
54 | { | ||
55 | struct nft_pktinfo pkt; | ||
56 | |||
57 | /* malformed packet, drop it */ | ||
58 | if (nft_set_pktinfo_ipv6(&pkt, ops, skb, in, out) < 0) | ||
59 | return NF_DROP; | ||
60 | |||
61 | return nft_do_chain_pktinfo(&pkt, ops); | ||
62 | } | ||
63 | |||
43 | static struct nf_chain_type filter_ipv6 = { | 64 | static struct nf_chain_type filter_ipv6 = { |
44 | .family = NFPROTO_IPV6, | 65 | .family = NFPROTO_IPV6, |
45 | .name = "filter", | 66 | .name = "filter", |
@@ -50,11 +71,11 @@ static struct nf_chain_type filter_ipv6 = { | |||
50 | (1 << NF_INET_PRE_ROUTING) | | 71 | (1 << NF_INET_PRE_ROUTING) | |
51 | (1 << NF_INET_POST_ROUTING), | 72 | (1 << NF_INET_POST_ROUTING), |
52 | .fn = { | 73 | .fn = { |
53 | [NF_INET_LOCAL_IN] = nft_do_chain, | 74 | [NF_INET_LOCAL_IN] = nft_do_chain_ipv6, |
54 | [NF_INET_LOCAL_OUT] = nft_do_chain, | 75 | [NF_INET_LOCAL_OUT] = nft_ipv6_output, |
55 | [NF_INET_FORWARD] = nft_do_chain, | 76 | [NF_INET_FORWARD] = nft_do_chain_ipv6, |
56 | [NF_INET_PRE_ROUTING] = nft_do_chain, | 77 | [NF_INET_PRE_ROUTING] = nft_do_chain_ipv6, |
57 | [NF_INET_POST_ROUTING] = nft_do_chain, | 78 | [NF_INET_POST_ROUTING] = nft_do_chain_ipv6, |
58 | }, | 79 | }, |
59 | }; | 80 | }; |
60 | 81 | ||
diff --git a/net/ipv6/netfilter/nft_chain_route_ipv6.c b/net/ipv6/netfilter/nft_chain_route_ipv6.c index 4cdc992fa067..3fe40f0456ad 100644 --- a/net/ipv6/netfilter/nft_chain_route_ipv6.c +++ b/net/ipv6/netfilter/nft_chain_route_ipv6.c | |||
@@ -19,6 +19,7 @@ | |||
19 | #include <linux/netfilter/nfnetlink.h> | 19 | #include <linux/netfilter/nfnetlink.h> |
20 | #include <linux/netfilter/nf_tables.h> | 20 | #include <linux/netfilter/nf_tables.h> |
21 | #include <net/netfilter/nf_tables.h> | 21 | #include <net/netfilter/nf_tables.h> |
22 | #include <net/netfilter/nf_tables_ipv6.h> | ||
22 | #include <net/route.h> | 23 | #include <net/route.h> |
23 | 24 | ||
24 | static unsigned int nf_route_table_hook(const struct nf_hook_ops *ops, | 25 | static unsigned int nf_route_table_hook(const struct nf_hook_ops *ops, |
@@ -28,10 +29,15 @@ static unsigned int nf_route_table_hook(const struct nf_hook_ops *ops, | |||
28 | int (*okfn)(struct sk_buff *)) | 29 | int (*okfn)(struct sk_buff *)) |
29 | { | 30 | { |
30 | unsigned int ret; | 31 | unsigned int ret; |
32 | struct nft_pktinfo pkt; | ||
31 | struct in6_addr saddr, daddr; | 33 | struct in6_addr saddr, daddr; |
32 | u_int8_t hop_limit; | 34 | u_int8_t hop_limit; |
33 | u32 mark, flowlabel; | 35 | u32 mark, flowlabel; |
34 | 36 | ||
37 | /* malformed packet, drop it */ | ||
38 | if (nft_set_pktinfo_ipv6(&pkt, ops, skb, in, out) < 0) | ||
39 | return NF_DROP; | ||
40 | |||
35 | /* save source/dest address, mark, hoplimit, flowlabel, priority */ | 41 | /* save source/dest address, mark, hoplimit, flowlabel, priority */ |
36 | memcpy(&saddr, &ipv6_hdr(skb)->saddr, sizeof(saddr)); | 42 | memcpy(&saddr, &ipv6_hdr(skb)->saddr, sizeof(saddr)); |
37 | memcpy(&daddr, &ipv6_hdr(skb)->daddr, sizeof(daddr)); | 43 | memcpy(&daddr, &ipv6_hdr(skb)->daddr, sizeof(daddr)); |
@@ -41,7 +47,7 @@ static unsigned int nf_route_table_hook(const struct nf_hook_ops *ops, | |||
41 | /* flowlabel and prio (includes version, which shouldn't change either */ | 47 | /* flowlabel and prio (includes version, which shouldn't change either */ |
42 | flowlabel = *((u32 *)ipv6_hdr(skb)); | 48 | flowlabel = *((u32 *)ipv6_hdr(skb)); |
43 | 49 | ||
44 | ret = nft_do_chain(ops, skb, in, out, okfn); | 50 | ret = nft_do_chain_pktinfo(&pkt, ops); |
45 | if (ret != NF_DROP && ret != NF_QUEUE && | 51 | if (ret != NF_DROP && ret != NF_QUEUE && |
46 | (memcmp(&ipv6_hdr(skb)->saddr, &saddr, sizeof(saddr)) || | 52 | (memcmp(&ipv6_hdr(skb)->saddr, &saddr, sizeof(saddr)) || |
47 | memcmp(&ipv6_hdr(skb)->daddr, &daddr, sizeof(daddr)) || | 53 | memcmp(&ipv6_hdr(skb)->daddr, &daddr, sizeof(daddr)) || |