diff options
Diffstat (limited to 'include/netlink.h')
| -rw-r--r-- | include/netlink.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/netlink.h b/include/netlink.h index a7b7dda..6d28ac6 100644 --- a/include/netlink.h +++ b/include/netlink.h @@ -1,6 +1,8 @@ #ifndef _NETLINK_H_ #define _NETLINK_H_ +#include <libnetfilter_conntrack/libnetfilter_conntrack.h> + struct nf_conntrack; struct nfct_handle; @@ -30,4 +32,16 @@ int nl_update_conntrack(struct nf_conntrack *ct); int nl_destroy_conntrack(struct nf_conntrack *ct); +static inline int ct_is_related(const struct nf_conntrack *ct) +{ + return (nfct_attr_is_set(ct, ATTR_MASTER_L3PROTO) && + nfct_attr_is_set(ct, ATTR_MASTER_L4PROTO) && + ((nfct_attr_is_set(ct, ATTR_MASTER_IPV4_SRC) && + nfct_attr_is_set(ct, ATTR_MASTER_IPV4_DST)) || + (nfct_attr_is_set(ct, ATTR_MASTER_IPV6_SRC) && + nfct_attr_is_set(ct, ATTR_MASTER_IPV6_DST))) && + nfct_attr_is_set(ct, ATTR_MASTER_PORT_SRC) && + nfct_attr_is_set(ct, ATTR_MASTER_PORT_DST)); +} + #endif |