#include <linux/module.h>
#include <linux/skbuff.h>
-#include <net/netfilter/nf_conntrack_compat.h>
+#include <net/netfilter/nf_conntrack.h>
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/xt_state.h>
MODULE_ALIAS("ipt_state");
MODULE_ALIAS("ip6t_state");
-static int
+static bool
match(const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
const void *matchinfo,
int offset,
unsigned int protoff,
- int *hotdrop)
+ bool *hotdrop)
{
const struct xt_state_info *sinfo = matchinfo;
enum ip_conntrack_info ctinfo;
if (nf_ct_is_untracked(skb))
statebit = XT_STATE_UNTRACKED;
- else if (!nf_ct_get_ctinfo(skb, &ctinfo))
+ else if (!nf_ct_get(skb, &ctinfo))
statebit = XT_STATE_INVALID;
else
statebit = XT_STATE_BIT(ctinfo);
return (sinfo->statemask & statebit);
}
-static int check(const char *tablename,
- const void *inf,
- const struct xt_match *match,
- void *matchinfo,
- unsigned int hook_mask)
+static bool check(const char *tablename,
+ const void *inf,
+ const struct xt_match *match,
+ void *matchinfo,
+ unsigned int hook_mask)
{
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
if (nf_ct_l3proto_try_module_get(match->family) < 0) {
- printk(KERN_WARNING "can't load nf_conntrack support for "
+ printk(KERN_WARNING "can't load conntrack support for "
"proto=%d\n", match->family);
- return 0;
+ return false;
}
-#endif
- return 1;
+ return true;
}
static void
destroy(const struct xt_match *match, void *matchinfo)
{
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
nf_ct_l3proto_module_put(match->family);
-#endif
}
-static struct xt_match xt_state_match[] = {
+static struct xt_match xt_state_match[] __read_mostly = {
{
.name = "state",
.family = AF_INET,
static int __init xt_state_init(void)
{
- need_conntrack();
return xt_register_matches(xt_state_match, ARRAY_SIZE(xt_state_match));
}