diff options
Diffstat (limited to 'target/linux/generic/backport-4.14/302-v4.16-netfilter-nf_tables_inet-don-t-use-multihook-infrast.patch')
| -rw-r--r-- | target/linux/generic/backport-4.14/302-v4.16-netfilter-nf_tables_inet-don-t-use-multihook-infrast.patch | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/target/linux/generic/backport-4.14/302-v4.16-netfilter-nf_tables_inet-don-t-use-multihook-infrast.patch b/target/linux/generic/backport-4.14/302-v4.16-netfilter-nf_tables_inet-don-t-use-multihook-infrast.patch deleted file mode 100644 index 17d8b21a0f..0000000000 --- a/target/linux/generic/backport-4.14/302-v4.16-netfilter-nf_tables_inet-don-t-use-multihook-infrast.patch +++ /dev/null @@ -1,161 +0,0 @@ -From: Pablo Neira Ayuso <pablo@netfilter.org> -Date: Sat, 9 Dec 2017 15:36:24 +0100 -Subject: [PATCH] netfilter: nf_tables_inet: don't use multihook infrastructure - anymore - -Use new native NFPROTO_INET support in netfilter core, this gets rid of -ad-hoc code in the nf_tables API codebase. - -Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> ---- - ---- a/include/net/netfilter/nf_tables_ipv4.h -+++ b/include/net/netfilter/nf_tables_ipv4.h -@@ -53,6 +53,4 @@ static inline void nft_set_pktinfo_ipv4_ - nft_set_pktinfo_unspec(pkt, skb); - } - --extern struct nft_af_info nft_af_ipv4; -- - #endif ---- a/include/net/netfilter/nf_tables_ipv6.h -+++ b/include/net/netfilter/nf_tables_ipv6.h -@@ -69,6 +69,4 @@ static inline void nft_set_pktinfo_ipv6_ - nft_set_pktinfo_unspec(pkt, skb); - } - --extern struct nft_af_info nft_af_ipv6; -- - #endif ---- a/net/ipv4/netfilter/nf_tables_ipv4.c -+++ b/net/ipv4/netfilter/nf_tables_ipv4.c -@@ -45,7 +45,7 @@ static unsigned int nft_ipv4_output(void - return nft_do_chain_ipv4(priv, skb, state); - } - --struct nft_af_info nft_af_ipv4 __read_mostly = { -+static struct nft_af_info nft_af_ipv4 __read_mostly = { - .family = NFPROTO_IPV4, - .nhooks = NF_INET_NUMHOOKS, - .owner = THIS_MODULE, -@@ -58,7 +58,6 @@ struct nft_af_info nft_af_ipv4 __read_mo - [NF_INET_POST_ROUTING] = nft_do_chain_ipv4, - }, - }; --EXPORT_SYMBOL_GPL(nft_af_ipv4); - - static int nf_tables_ipv4_init_net(struct net *net) - { ---- a/net/ipv6/netfilter/nf_tables_ipv6.c -+++ b/net/ipv6/netfilter/nf_tables_ipv6.c -@@ -42,7 +42,7 @@ static unsigned int nft_ipv6_output(void - return nft_do_chain_ipv6(priv, skb, state); - } - --struct nft_af_info nft_af_ipv6 __read_mostly = { -+static struct nft_af_info nft_af_ipv6 __read_mostly = { - .family = NFPROTO_IPV6, - .nhooks = NF_INET_NUMHOOKS, - .owner = THIS_MODULE, -@@ -55,7 +55,6 @@ struct nft_af_info nft_af_ipv6 __read_mo - [NF_INET_POST_ROUTING] = nft_do_chain_ipv6, - }, - }; --EXPORT_SYMBOL_GPL(nft_af_ipv6); - - static int nf_tables_ipv6_init_net(struct net *net) - { ---- a/net/netfilter/nf_tables_inet.c -+++ b/net/netfilter/nf_tables_inet.c -@@ -9,6 +9,7 @@ - #include <linux/init.h> - #include <linux/module.h> - #include <linux/ip.h> -+#include <linux/ipv6.h> - #include <linux/netfilter_ipv4.h> - #include <linux/netfilter_ipv6.h> - #include <net/netfilter/nf_tables.h> -@@ -16,26 +17,71 @@ - #include <net/netfilter/nf_tables_ipv6.h> - #include <net/ip.h> - --static void nft_inet_hook_ops_init(struct nf_hook_ops *ops, unsigned int n) -+static unsigned int nft_do_chain_inet(void *priv, struct sk_buff *skb, -+ const struct nf_hook_state *state) - { -- struct nft_af_info *afi; -+ struct nft_pktinfo pkt; - -- if (n == 1) -- afi = &nft_af_ipv4; -- else -- afi = &nft_af_ipv6; -- -- ops->pf = afi->family; -- if (afi->hooks[ops->hooknum]) -- ops->hook = afi->hooks[ops->hooknum]; -+ nft_set_pktinfo(&pkt, skb, state); -+ -+ switch (state->pf) { -+ case NFPROTO_IPV4: -+ nft_set_pktinfo_ipv4(&pkt, skb); -+ break; -+ case NFPROTO_IPV6: -+ nft_set_pktinfo_ipv6(&pkt, skb); -+ break; -+ default: -+ break; -+ } -+ -+ return nft_do_chain(&pkt, priv); -+} -+ -+static unsigned int nft_inet_output(void *priv, struct sk_buff *skb, -+ const struct nf_hook_state *state) -+{ -+ struct nft_pktinfo pkt; -+ -+ nft_set_pktinfo(&pkt, skb, state); -+ -+ switch (state->pf) { -+ case NFPROTO_IPV4: -+ if (unlikely(skb->len < sizeof(struct iphdr) || -+ ip_hdr(skb)->ihl < sizeof(struct iphdr) / 4)) { -+ if (net_ratelimit()) -+ pr_info("ignoring short SOCK_RAW packet\n"); -+ return NF_ACCEPT; -+ } -+ nft_set_pktinfo_ipv4(&pkt, skb); -+ break; -+ case NFPROTO_IPV6: -+ if (unlikely(skb->len < sizeof(struct ipv6hdr))) { -+ if (net_ratelimit()) -+ pr_info("ignoring short SOCK_RAW packet\n"); -+ return NF_ACCEPT; -+ } -+ nft_set_pktinfo_ipv6(&pkt, skb); -+ break; -+ default: -+ break; -+ } -+ -+ return nft_do_chain(&pkt, priv); - } - - static struct nft_af_info nft_af_inet __read_mostly = { - .family = NFPROTO_INET, - .nhooks = NF_INET_NUMHOOKS, - .owner = THIS_MODULE, -- .nops = 2, -- .hook_ops_init = nft_inet_hook_ops_init, -+ .nops = 1, -+ .hooks = { -+ [NF_INET_LOCAL_IN] = nft_do_chain_inet, -+ [NF_INET_LOCAL_OUT] = nft_inet_output, -+ [NF_INET_FORWARD] = nft_do_chain_inet, -+ [NF_INET_PRE_ROUTING] = nft_do_chain_inet, -+ [NF_INET_POST_ROUTING] = nft_do_chain_inet, -+ }, - }; - - static int __net_init nf_tables_inet_init_net(struct net *net) |