1 files changed, 43 insertions, 0 deletions
diff --git a/include/libnetfilter_cthelper/libnetfilter_cthelper.h b/include/libnetfilter_cthelper/libnetfilter_cthelper.h
new file mode 100644
index 0000000..13bfca8
--- /dev/null
+++ b/include/libnetfilter_cthelper/libnetfilter_cthelper.h
@@ -0,0 +1,43 @@
+#ifndef _LIBNETFILTER_ACCT_H_
+#define _LIBNETFILTER_ACCT_H_
+
+#include <sys/types.h>
+#include <linux/netfilter/nfnetlink_cthelper.h>
+
+struct nfct_helper;
+
+enum nfct_helper_attr_type {
+	NFCTH_ATTR_NAME = 0,
+	NFCTH_ATTR_QUEUE_NUM,
+	NFCTH_ATTR_PROTO_L3NUM,
+	NFCTH_ATTR_PROTO_L4NUM,
+	NFCTH_ATTR_EXP_POLICY_NAME,
+	NFCTH_ATTR_EXP_POLICY_TIMEOUT,
+	NFCTH_ATTR_EXP_POLICY_MAX,
+};
+
+struct nfct_helper *nfct_helper_alloc(void);
+void nfct_helper_free(struct nfct_helper *nfct_helper);
+
+void nfct_helper_attr_set(struct nfct_helper *nfct_helper, enum nfct_helper_attr_type type, const void *data);
+void nfct_helper_attr_set_str(struct nfct_helper *nfct_helper, enum nfct_helper_attr_type type, const char *name);
+void nfct_helper_attr_set_u8(struct nfct_helper *nfct_helper, enum nfct_helper_attr_type type, uint8_t value);
+void nfct_helper_attr_set_u16(struct nfct_helper *nfct_helper, enum nfct_helper_attr_type type, uint16_t value);
+void nfct_helper_attr_set_u32(struct nfct_helper *nfct_helper, enum nfct_helper_attr_type type, uint32_t value);
+void nfct_helper_attr_unset(struct nfct_helper *nfct_helper, enum nfct_helper_attr_type type);
+
+const void *nfct_helper_attr_get(struct nfct_helper *nfct_helper, enum nfct_helper_attr_type type);
+const char *nfct_helper_attr_get_str(struct nfct_helper *nfct_helper, enum nfct_helper_attr_type type);
+uint8_t nfct_helper_attr_get_u8(struct nfct_helper *nfct_helper, enum nfct_helper_attr_type type);
+uint16_t nfct_helper_attr_get_u16(struct nfct_helper *nfct_helper, enum nfct_helper_attr_type type);
+uint32_t nfct_helper_attr_get_u32(struct nfct_helper *nfct_helper, enum nfct_helper_attr_type type);
+
+struct nlmsghdr;
+
+struct nlmsghdr *nfct_helper_nlmsg_build_hdr(char *buf, uint8_t cmd, uint16_t flags, uint32_t seq);
+void nfct_helper_nlmsg_build_payload(struct nlmsghdr *nlh, struct nfct_helper *nfct_helper);
+int nfct_helper_nlmsg_parse_payload(const struct nlmsghdr *nlh, struct nfct_helper *nfct_helper);
+
+int nfct_helper_snprintf(char *buf, size_t size, struct nfct_helper *nfct_helper, unsigned int flags);
+
+#endif