diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2010-09-22 08:36:59 +0200 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2010-09-22 08:36:59 +0200 |
| commit | 8b008faf92ac8f7eeb65e8cd36077601af7c46db (patch) | |
| tree | 033d7dbdc7cf54af84daed6c0293726c1e3e7dd1 | |
| parent | bcac0dfab191cb53b3f9b43c8014a34070ed58ff (diff) | |
netfilter: ctnetlink: allow to specify the expectation flags
With this patch, you can specify the expectation flags for user-space
created expectations.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
| -rw-r--r-- | include/linux/netfilter/nf_conntrack_common.h | 4 | ||||
| -rw-r--r-- | include/linux/netfilter/nfnetlink_conntrack.h | 1 | ||||
| -rw-r--r-- | include/net/netfilter/nf_conntrack_expect.h | 3 | ||||
| -rw-r--r-- | net/netfilter/nf_conntrack_netlink.c | 8 |
4 files changed, 12 insertions, 4 deletions
diff --git a/include/linux/netfilter/nf_conntrack_common.h b/include/linux/netfilter/nf_conntrack_common.h index 1afd18c855e..fdc50cae861 100644 --- a/include/linux/netfilter/nf_conntrack_common.h +++ b/include/linux/netfilter/nf_conntrack_common.h @@ -100,6 +100,10 @@ enum ip_conntrack_expect_events { IPEXP_NEW, /* new expectation */ }; +/* expectation flags */ +#define NF_CT_EXPECT_PERMANENT 0x1 +#define NF_CT_EXPECT_INACTIVE 0x2 + #ifdef __KERNEL__ struct ip_conntrack_stat { unsigned int searched; diff --git a/include/linux/netfilter/nfnetlink_conntrack.h b/include/linux/netfilter/nfnetlink_conntrack.h index 9ed534c991b..455f0ce4f43 100644 --- a/include/linux/netfilter/nfnetlink_conntrack.h +++ b/include/linux/netfilter/nfnetlink_conntrack.h @@ -161,6 +161,7 @@ enum ctattr_expect { CTA_EXPECT_ID, CTA_EXPECT_HELP_NAME, CTA_EXPECT_ZONE, + CTA_EXPECT_FLAGS, __CTA_EXPECT_MAX }; #define CTA_EXPECT_MAX (__CTA_EXPECT_MAX - 1) diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h index 11e815084fc..96bb42af5fa 100644 --- a/include/net/netfilter/nf_conntrack_expect.h +++ b/include/net/netfilter/nf_conntrack_expect.h @@ -67,9 +67,6 @@ struct nf_conntrack_expect_policy { #define NF_CT_EXPECT_CLASS_DEFAULT 0 -#define NF_CT_EXPECT_PERMANENT 0x1 -#define NF_CT_EXPECT_INACTIVE 0x2 - int nf_conntrack_expect_init(struct net *net); void nf_conntrack_expect_fini(struct net *net); diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 37533a30413..0804e0ef650 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -1577,6 +1577,7 @@ ctnetlink_exp_dump_expect(struct sk_buff *skb, NLA_PUT_BE32(skb, CTA_EXPECT_TIMEOUT, htonl(timeout)); NLA_PUT_BE32(skb, CTA_EXPECT_ID, htonl((unsigned long)exp)); + NLA_PUT_BE32(skb, CTA_EXPECT_FLAGS, htonl(exp->flags)); helper = rcu_dereference(nfct_help(master)->helper); if (helper) NLA_PUT_STRING(skb, CTA_EXPECT_HELP_NAME, helper->name); @@ -1734,6 +1735,7 @@ static const struct nla_policy exp_nla_policy[CTA_EXPECT_MAX+1] = { [CTA_EXPECT_ID] = { .type = NLA_U32 }, [CTA_EXPECT_HELP_NAME] = { .type = NLA_NUL_STRING }, [CTA_EXPECT_ZONE] = { .type = NLA_U16 }, + [CTA_EXPECT_FLAGS] = { .type = NLA_U32 }, }; static int @@ -1933,9 +1935,13 @@ ctnetlink_create_expect(struct net *net, u16 zone, goto out; } + if (cda[CTA_EXPECT_FLAGS]) + exp->flags = ntohl(nla_get_be32(cda[CTA_EXPECT_FLAGS])); + else + exp->flags = 0; + exp->class = 0; exp->expectfn = NULL; - exp->flags = 0; exp->master = ct; exp->helper = NULL; memcpy(&exp->tuple, &tuple, sizeof(struct nf_conntrack_tuple)); |