libnetfilter_cttimeout  1.0.0
libnetfilter_cttimeout.h
00001 #ifndef _LIBNETFILTER_CTTIMEOUT_H_
00002 #define _LIBNETFILTER_CTTIMEOUT_H_
00003 
00004 #include <stdint.h>
00005 #include <sys/types.h>
00006 #include <linux/netfilter/nfnetlink_conntrack.h>
00007 
00008 #ifdef __cplusplus
00009 extern "C" {
00010 #endif
00011 
00012 struct nfct_timeout;
00013 
00014 struct nfct_timeout *nfct_timeout_alloc(void);
00015 void nfct_timeout_free(struct nfct_timeout *);
00016 
00017 enum nfct_timeout_attr {
00018         NFCT_TIMEOUT_ATTR_NAME= 0,
00019         NFCT_TIMEOUT_ATTR_L3PROTO,
00020         NFCT_TIMEOUT_ATTR_L4PROTO,
00021         NFCT_TIMEOUT_ATTR_POLICY,
00022         NFCT_TIMEOUT_ATTR_MAX
00023 };
00024 
00025 enum nfct_timeout_tcp_attr {
00026         NFCT_TIMEOUT_ATTR_TCP_SYN_SENT = 0,
00027         NFCT_TIMEOUT_ATTR_TCP_SYN_RECV,
00028         NFCT_TIMEOUT_ATTR_TCP_ESTABLISHED,
00029         NFCT_TIMEOUT_ATTR_TCP_FIN_WAIT,
00030         NFCT_TIMEOUT_ATTR_TCP_CLOSE_WAIT,
00031         NFCT_TIMEOUT_ATTR_TCP_LAST_ACK,
00032         NFCT_TIMEOUT_ATTR_TCP_TIME_WAIT,
00033         NFCT_TIMEOUT_ATTR_TCP_CLOSE,
00034         NFCT_TIMEOUT_ATTR_TCP_SYN_SENT2,
00035         NFCT_TIMEOUT_ATTR_TCP_RETRANS,
00036         NFCT_TIMEOUT_ATTR_TCP_UNACK,
00037         NFCT_TIMEOUT_ATTR_TCP_MAX
00038 };
00039 
00040 enum nfct_timeout_udp_attr {
00041         NFCT_TIMEOUT_ATTR_UDP_UNREPLIED = 0,
00042         NFCT_TIMEOUT_ATTR_UDP_REPLIED,
00043         NFCT_TIMEOUT_ATTR_UDP_MAX
00044 };
00045 
00046 enum nfct_timeout_udplite_attr {
00047         NFCT_TIMEOUT_ATTR_UDPLITE_UNREPLIED = 0,
00048         NFCT_TIMEOUT_ATTR_UDPLITE_REPLIED,
00049         NFCT_TIMEOUT_ATTR_UDPLITE_MAX
00050 };
00051 
00052 enum nfct_timeout_dccp_attr {
00053         NFCT_TIMEOUT_ATTR_DCCP_REQUEST,
00054         NFCT_TIMEOUT_ATTR_DCCP_RESPOND,
00055         NFCT_TIMEOUT_ATTR_DCCP_PARTOPEN,
00056         NFCT_TIMEOUT_ATTR_DCCP_OPEN,
00057         NFCT_TIMEOUT_ATTR_DCCP_CLOSEREQ,
00058         NFCT_TIMEOUT_ATTR_DCCP_CLOSING,
00059         NFCT_TIMEOUT_ATTR_DCCP_TIMEWAIT,
00060         NFCT_TIMEOUT_ATTR_DCCP_MAX
00061 };
00062 
00063 enum nfct_timeout_sctp_attr {
00064         NFCT_TIMEOUT_ATTR_SCTP_CLOSED = 0,
00065         NFCT_TIMEOUT_ATTR_SCTP_COOKIE_WAIT,
00066         NFCT_TIMEOUT_ATTR_SCTP_COOKIE_ECHOED,
00067         NFCT_TIMEOUT_ATTR_SCTP_ESTABLISHED,
00068         NFCT_TIMEOUT_ATTR_SCTP_SHUTDOWN_SENT,
00069         NFCT_TIMEOUT_ATTR_SCTP_SHUTDOWN_RECD,
00070         NFCT_TIMEOUT_ATTR_SCTP_SHUTDOWN_ACK_SENT,
00071         NFCT_TIMEOUT_ATTR_SCTP_MAX
00072 };
00073 
00074 enum nfct_timeout_icmp_attr {
00075         NFCT_TIMEOUT_ATTR_ICMP = 0,
00076         NFCT_TIMEOUT_ATTR_ICMP_MAX
00077 };
00078 
00079 enum nfct_timeout_icmpv6_attr {
00080         NFCT_TIMEOUT_ATTR_ICMPV6 = 0,
00081         NFCT_TIMEOUT_ATTR_ICMPV6_MAX
00082 };
00083 
00084 enum nfct_timeout_gre_attr {
00085         NFCT_TIMEOUT_ATTR_GRE_UNREPLIED = 0,
00086         NFCT_TIMEOUT_ATTR_GRE_REPLIED,
00087         NFCT_TIMEOUT_ATTR_GRE_MAX
00088 };
00089 
00090 enum nfct_timeout_generic_attr {
00091         NFCT_TIMEOUT_ATTR_GENERIC = 0,
00092         NFCT_TIMEOUT_ATTR_GENERIC_MAX
00093 };
00094 
00095 int nfct_timeout_attr_set(struct nfct_timeout *t, uint32_t type, const void *data);
00096 int nfct_timeout_attr_set_u8(struct nfct_timeout *t, uint32_t type, uint8_t data);
00097 int nfct_timeout_attr_set_u16(struct nfct_timeout *t, uint32_t type, uint16_t data);
00098 void nfct_timeout_attr_unset(struct nfct_timeout *t, uint32_t type);
00099 const char *nfct_timeout_policy_attr_to_name(uint8_t l4proto, uint32_t state);
00100 
00101 int nfct_timeout_policy_attr_set_u32(struct nfct_timeout *, uint32_t type, uint32_t data);
00102 void nfct_timeout_policy_attr_unset(struct nfct_timeout *t, uint32_t type);
00103 
00104 struct nlmsghdr;
00105 
00106 struct nlmsghdr *nfct_timeout_nlmsg_build_hdr(char *buf, uint8_t cmd, uint16_t flags, uint32_t seq);
00107 void nfct_timeout_nlmsg_build_payload(struct nlmsghdr *, const struct nfct_timeout *);
00108 int nfct_timeout_nlmsg_parse_payload(const struct nlmsghdr *nlh, struct nfct_timeout *);
00109 
00110 enum {
00111         NFCT_TIMEOUT_O_DEFAULT,
00112 };
00113 
00114 int nfct_timeout_snprintf(char *buf, size_t size, const struct nfct_timeout *, unsigned int type, unsigned int flags);
00115 
00116 #ifdef __cplusplus
00117 } /* extern "C" */
00118 #endif
00119 
00120 #endif /* _LIBNETFILTER_CTTIMEOUT_H_ */