libnetfilter_cttimeout  1.0.1
libnetfilter_cttimeout.h
1 #ifndef _LIBNETFILTER_CTTIMEOUT_H_
2 #define _LIBNETFILTER_CTTIMEOUT_H_
3 
4 #include <stdint.h>
5 #include <sys/types.h>
6 #include <linux/netfilter/nfnetlink_conntrack.h>
7 
8 #ifdef __cplusplus
9 extern "C" {
10 #endif
11 
12 struct nfct_timeout;
13 
14 struct nfct_timeout *nfct_timeout_alloc(void);
15 void nfct_timeout_free(struct nfct_timeout *);
16 
17 enum nfct_timeout_attr {
18  NFCT_TIMEOUT_ATTR_NAME= 0,
19  NFCT_TIMEOUT_ATTR_L3PROTO,
20  NFCT_TIMEOUT_ATTR_L4PROTO,
21  NFCT_TIMEOUT_ATTR_POLICY,
22  NFCT_TIMEOUT_ATTR_MAX
23 };
24 
25 enum nfct_timeout_tcp_attr {
26  NFCT_TIMEOUT_ATTR_TCP_SYN_SENT = 0,
27  NFCT_TIMEOUT_ATTR_TCP_SYN_RECV,
28  NFCT_TIMEOUT_ATTR_TCP_ESTABLISHED,
29  NFCT_TIMEOUT_ATTR_TCP_FIN_WAIT,
30  NFCT_TIMEOUT_ATTR_TCP_CLOSE_WAIT,
31  NFCT_TIMEOUT_ATTR_TCP_LAST_ACK,
32  NFCT_TIMEOUT_ATTR_TCP_TIME_WAIT,
33  NFCT_TIMEOUT_ATTR_TCP_CLOSE,
34  NFCT_TIMEOUT_ATTR_TCP_SYN_SENT2,
35  NFCT_TIMEOUT_ATTR_TCP_RETRANS,
36  NFCT_TIMEOUT_ATTR_TCP_UNACK,
37  NFCT_TIMEOUT_ATTR_TCP_MAX
38 };
39 
40 enum nfct_timeout_udp_attr {
41  NFCT_TIMEOUT_ATTR_UDP_UNREPLIED = 0,
42  NFCT_TIMEOUT_ATTR_UDP_REPLIED,
43  NFCT_TIMEOUT_ATTR_UDP_MAX
44 };
45 
46 enum nfct_timeout_udplite_attr {
47  NFCT_TIMEOUT_ATTR_UDPLITE_UNREPLIED = 0,
48  NFCT_TIMEOUT_ATTR_UDPLITE_REPLIED,
49  NFCT_TIMEOUT_ATTR_UDPLITE_MAX
50 };
51 
52 enum nfct_timeout_dccp_attr {
53  NFCT_TIMEOUT_ATTR_DCCP_REQUEST,
54  NFCT_TIMEOUT_ATTR_DCCP_RESPOND,
55  NFCT_TIMEOUT_ATTR_DCCP_PARTOPEN,
56  NFCT_TIMEOUT_ATTR_DCCP_OPEN,
57  NFCT_TIMEOUT_ATTR_DCCP_CLOSEREQ,
58  NFCT_TIMEOUT_ATTR_DCCP_CLOSING,
59  NFCT_TIMEOUT_ATTR_DCCP_TIMEWAIT,
60  NFCT_TIMEOUT_ATTR_DCCP_MAX
61 };
62 
63 enum nfct_timeout_sctp_attr {
64  NFCT_TIMEOUT_ATTR_SCTP_CLOSED = 0,
65  NFCT_TIMEOUT_ATTR_SCTP_COOKIE_WAIT,
66  NFCT_TIMEOUT_ATTR_SCTP_COOKIE_ECHOED,
67  NFCT_TIMEOUT_ATTR_SCTP_ESTABLISHED,
68  NFCT_TIMEOUT_ATTR_SCTP_SHUTDOWN_SENT,
69  NFCT_TIMEOUT_ATTR_SCTP_SHUTDOWN_RECD,
70  NFCT_TIMEOUT_ATTR_SCTP_SHUTDOWN_ACK_SENT,
71  NFCT_TIMEOUT_ATTR_SCTP_MAX
72 };
73 
74 enum nfct_timeout_icmp_attr {
75  NFCT_TIMEOUT_ATTR_ICMP = 0,
76  NFCT_TIMEOUT_ATTR_ICMP_MAX
77 };
78 
79 enum nfct_timeout_icmpv6_attr {
80  NFCT_TIMEOUT_ATTR_ICMPV6 = 0,
81  NFCT_TIMEOUT_ATTR_ICMPV6_MAX
82 };
83 
84 enum nfct_timeout_gre_attr {
85  NFCT_TIMEOUT_ATTR_GRE_UNREPLIED = 0,
86  NFCT_TIMEOUT_ATTR_GRE_REPLIED,
87  NFCT_TIMEOUT_ATTR_GRE_MAX
88 };
89 
90 enum nfct_timeout_generic_attr {
91  NFCT_TIMEOUT_ATTR_GENERIC = 0,
92  NFCT_TIMEOUT_ATTR_GENERIC_MAX
93 };
94 
95 int nfct_timeout_attr_set(struct nfct_timeout *t, uint32_t type, const void *data);
96 int nfct_timeout_attr_set_u8(struct nfct_timeout *t, uint32_t type, uint8_t data);
97 int nfct_timeout_attr_set_u16(struct nfct_timeout *t, uint32_t type, uint16_t data);
98 void nfct_timeout_attr_unset(struct nfct_timeout *t, uint32_t type);
99 const char *nfct_timeout_policy_attr_to_name(uint8_t l4proto, uint32_t state);
100 
101 int nfct_timeout_policy_attr_set_u32(struct nfct_timeout *, uint32_t type, uint32_t data);
102 void nfct_timeout_policy_attr_unset(struct nfct_timeout *t, uint32_t type);
103 
104 struct nlmsghdr;
105 
106 struct nlmsghdr *nfct_timeout_nlmsg_build_hdr(char *buf, uint8_t cmd, uint16_t flags, uint32_t seq);
107 void nfct_timeout_nlmsg_build_payload(struct nlmsghdr *, const struct nfct_timeout *);
108 int nfct_timeout_nlmsg_parse_payload(const struct nlmsghdr *nlh, struct nfct_timeout *);
109 
110 enum {
111  NFCT_TIMEOUT_O_DEFAULT,
112 };
113 
114 int nfct_timeout_snprintf(char *buf, size_t size, const struct nfct_timeout *, unsigned int type, unsigned int flags);
115 
116 #ifdef __cplusplus
117 } /* extern "C" */
118 #endif
119 
120 #endif /* _LIBNETFILTER_CTTIMEOUT_H_ */
int nfct_timeout_snprintf(char *buf, size_t size, const struct nfct_timeout *, unsigned int type, unsigned int flags)
const char * nfct_timeout_policy_attr_to_name(uint8_t l4proto, uint32_t state)
int nfct_timeout_policy_attr_set_u32(struct nfct_timeout *, uint32_t type, uint32_t data)
void nfct_timeout_policy_attr_unset(struct nfct_timeout *t, uint32_t type)
int nfct_timeout_attr_set_u16(struct nfct_timeout *t, uint32_t type, uint16_t data)
void nfct_timeout_free(struct nfct_timeout *)
int nfct_timeout_attr_set(struct nfct_timeout *t, uint32_t type, const void *data)
struct nfct_timeout * nfct_timeout_alloc(void)
int nfct_timeout_attr_set_u8(struct nfct_timeout *t, uint32_t type, uint8_t data)
void nfct_timeout_attr_unset(struct nfct_timeout *t, uint32_t type)
struct nlmsghdr * nfct_timeout_nlmsg_build_hdr(char *buf, uint8_t cmd, uint16_t flags, uint32_t seq)
void nfct_timeout_nlmsg_build_payload(struct nlmsghdr *, const struct nfct_timeout *)
int nfct_timeout_nlmsg_parse_payload(const struct nlmsghdr *nlh, struct nfct_timeout *)