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authorPablo Neira Ayuso <pablo@netfilter.org>2012-10-11 10:49:12 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2012-10-15 13:38:58 +0200
commit0153d5a810ab335aae86acfe69722a7efc1db536 (patch)
treef65f803d8801a6a421d696d52b8d746de4b539aa /net
parentb61a602ee6730150f4d0df730d9312ac4d820ceb (diff)
downloadvexpress-lsk-0153d5a810ab335aae86acfe69722a7efc1db536.tar.gz
netfilter: xt_CT: fix timeout setting with IPv6
This patch fixes ip6tables and the CT target if it is used to set some custom conntrack timeout policy for IPv6. Use xt_ct_find_proto which already handles the ip6tables case for us. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/xt_CT.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 16c71256386..ae7f5daeee4 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -180,9 +180,9 @@ xt_ct_set_timeout(struct nf_conn *ct, const struct xt_tgchk_param *par,
typeof(nf_ct_timeout_find_get_hook) timeout_find_get;
struct ctnl_timeout *timeout;
struct nf_conn_timeout *timeout_ext;
- const struct ipt_entry *e = par->entryinfo;
struct nf_conntrack_l4proto *l4proto;
int ret = 0;
+ u8 proto;
rcu_read_lock();
timeout_find_get = rcu_dereference(nf_ct_timeout_find_get_hook);
@@ -192,9 +192,11 @@ xt_ct_set_timeout(struct nf_conn *ct, const struct xt_tgchk_param *par,
goto out;
}
- if (e->ip.invflags & IPT_INV_PROTO) {
+ proto = xt_ct_find_proto(par);
+ if (!proto) {
ret = -EINVAL;
- pr_info("You cannot use inversion on L4 protocol\n");
+ pr_info("You must specify a L4 protocol, and not use "
+ "inversions on it.\n");
goto out;
}
@@ -214,7 +216,7 @@ xt_ct_set_timeout(struct nf_conn *ct, const struct xt_tgchk_param *par,
/* Make sure the timeout policy matches any existing protocol tracker,
* otherwise default to generic.
*/
- l4proto = __nf_ct_l4proto_find(par->family, e->ip.proto);
+ l4proto = __nf_ct_l4proto_find(par->family, proto);
if (timeout->l4proto->l4proto != l4proto->l4proto) {
ret = -EINVAL;
pr_info("Timeout policy `%s' can only be used by L4 protocol "