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Diffstat (limited to 'net/netfilter/xt_CT.c')
-rw-r--r--net/netfilter/xt_CT.c106
1 files changed, 69 insertions, 37 deletions
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 2be2f7a7b60f..3ba94c34297c 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -313,10 +313,30 @@ static void xt_ct_tg_destroy_v1(const struct xt_tgdtor_param *par)
xt_ct_tg_destroy(par, par->targinfo);
}
+static unsigned int
+notrack_tg(struct sk_buff *skb, const struct xt_action_param *par)
+{
+ /* Previously seen (loopback)? Ignore. */
+ if (skb->_nfct != 0)
+ return XT_CONTINUE;
+
+ nf_ct_set(skb, NULL, IP_CT_UNTRACKED);
+
+ return XT_CONTINUE;
+}
+
static struct xt_target xt_ct_tg_reg[] __read_mostly = {
{
+ .name = "NOTRACK",
+ .revision = 0,
+ .family = NFPROTO_IPV4,
+ .target = notrack_tg,
+ .table = "raw",
+ .me = THIS_MODULE,
+ },
+ {
.name = "CT",
- .family = NFPROTO_UNSPEC,
+ .family = NFPROTO_IPV4,
.targetsize = sizeof(struct xt_ct_target_info),
.usersize = offsetof(struct xt_ct_target_info, ct),
.checkentry = xt_ct_tg_check_v0,
@@ -327,7 +347,7 @@ static struct xt_target xt_ct_tg_reg[] __read_mostly = {
},
{
.name = "CT",
- .family = NFPROTO_UNSPEC,
+ .family = NFPROTO_IPV4,
.revision = 1,
.targetsize = sizeof(struct xt_ct_target_info_v1),
.usersize = offsetof(struct xt_ct_target_info, ct),
@@ -339,7 +359,7 @@ static struct xt_target xt_ct_tg_reg[] __read_mostly = {
},
{
.name = "CT",
- .family = NFPROTO_UNSPEC,
+ .family = NFPROTO_IPV4,
.revision = 2,
.targetsize = sizeof(struct xt_ct_target_info_v1),
.usersize = offsetof(struct xt_ct_target_info, ct),
@@ -349,49 +369,61 @@ static struct xt_target xt_ct_tg_reg[] __read_mostly = {
.table = "raw",
.me = THIS_MODULE,
},
-};
-
-static unsigned int
-notrack_tg(struct sk_buff *skb, const struct xt_action_param *par)
-{
- /* Previously seen (loopback)? Ignore. */
- if (skb->_nfct != 0)
- return XT_CONTINUE;
-
- nf_ct_set(skb, NULL, IP_CT_UNTRACKED);
-
- return XT_CONTINUE;
-}
-
-static struct xt_target notrack_tg_reg __read_mostly = {
- .name = "NOTRACK",
- .revision = 0,
- .family = NFPROTO_UNSPEC,
- .target = notrack_tg,
- .table = "raw",
- .me = THIS_MODULE,
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
+ {
+ .name = "NOTRACK",
+ .revision = 0,
+ .family = NFPROTO_IPV6,
+ .target = notrack_tg,
+ .table = "raw",
+ .me = THIS_MODULE,
+ },
+ {
+ .name = "CT",
+ .family = NFPROTO_IPV6,
+ .targetsize = sizeof(struct xt_ct_target_info),
+ .usersize = offsetof(struct xt_ct_target_info, ct),
+ .checkentry = xt_ct_tg_check_v0,
+ .destroy = xt_ct_tg_destroy_v0,
+ .target = xt_ct_target_v0,
+ .table = "raw",
+ .me = THIS_MODULE,
+ },
+ {
+ .name = "CT",
+ .family = NFPROTO_IPV6,
+ .revision = 1,
+ .targetsize = sizeof(struct xt_ct_target_info_v1),
+ .usersize = offsetof(struct xt_ct_target_info, ct),
+ .checkentry = xt_ct_tg_check_v1,
+ .destroy = xt_ct_tg_destroy_v1,
+ .target = xt_ct_target_v1,
+ .table = "raw",
+ .me = THIS_MODULE,
+ },
+ {
+ .name = "CT",
+ .family = NFPROTO_IPV6,
+ .revision = 2,
+ .targetsize = sizeof(struct xt_ct_target_info_v1),
+ .usersize = offsetof(struct xt_ct_target_info, ct),
+ .checkentry = xt_ct_tg_check_v2,
+ .destroy = xt_ct_tg_destroy_v1,
+ .target = xt_ct_target_v1,
+ .table = "raw",
+ .me = THIS_MODULE,
+ },
+#endif
};
static int __init xt_ct_tg_init(void)
{
- int ret;
-
- ret = xt_register_target(&notrack_tg_reg);
- if (ret < 0)
- return ret;
-
- ret = xt_register_targets(xt_ct_tg_reg, ARRAY_SIZE(xt_ct_tg_reg));
- if (ret < 0) {
- xt_unregister_target(&notrack_tg_reg);
- return ret;
- }
- return 0;
+ return xt_register_targets(xt_ct_tg_reg, ARRAY_SIZE(xt_ct_tg_reg));
}
static void __exit xt_ct_tg_exit(void)
{
xt_unregister_targets(xt_ct_tg_reg, ARRAY_SIZE(xt_ct_tg_reg));
- xt_unregister_target(&notrack_tg_reg);
}
module_init(xt_ct_tg_init);