libnl  1.1
ct.h
1 /*
2  * netlink/netfilter/ct.h Conntrack
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation version 2.1
7  * of the License.
8  *
9  * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch>
10  * Copyright (c) 2007 Philip Craig <philipc@snapgear.com>
11  * Copyright (c) 2007 Secure Computing Corporation
12  */
13 
14 #ifndef NETLINK_CT_H_
15 #define NETLINK_CT_H_
16 
17 #include <netlink/netlink.h>
18 #include <netlink/addr.h>
19 #include <netlink/cache.h>
20 #include <netlink/msg.h>
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 struct nfnl_ct;
27 
28 extern struct nl_object_ops ct_obj_ops;
29 
30 /* General */
31 extern struct nfnl_ct * nfnl_ct_alloc(void);
32 extern struct nl_cache *nfnl_ct_alloc_cache(struct nl_handle *);
33 
34 extern int nfnlmsg_ct_group(struct nlmsghdr *);
35 extern struct nfnl_ct * nfnlmsg_ct_parse(struct nlmsghdr *);
36 
37 extern void nfnl_ct_get(struct nfnl_ct *);
38 extern void nfnl_ct_put(struct nfnl_ct *);
39 
40 extern int nfnl_ct_dump_request(struct nl_handle *);
41 
42 extern void nfnl_ct_set_family(struct nfnl_ct *, uint8_t);
43 extern uint8_t nfnl_ct_get_family(const struct nfnl_ct *);
44 
45 extern void nfnl_ct_set_proto(struct nfnl_ct *, uint8_t);
46 extern int nfnl_ct_test_proto(const struct nfnl_ct *);
47 extern uint8_t nfnl_ct_get_proto(const struct nfnl_ct *);
48 
49 extern void nfnl_ct_set_tcp_state(struct nfnl_ct *, uint8_t);
50 extern int nfnl_ct_test_tcp_state(const struct nfnl_ct *);
51 extern uint8_t nfnl_ct_get_tcp_state(const struct nfnl_ct *);
52 extern char * nfnl_ct_tcp_state2str(uint8_t, char *, size_t);
53 extern int nfnl_ct_str2tcp_state(const char *name);
54 
55 extern void nfnl_ct_set_status(struct nfnl_ct *, uint32_t);
56 extern void nfnl_ct_unset_status(struct nfnl_ct *, uint32_t);
57 extern uint32_t nfnl_ct_get_status(const struct nfnl_ct *);
58 
59 extern void nfnl_ct_set_timeout(struct nfnl_ct *, uint32_t);
60 extern int nfnl_ct_test_timeout(const struct nfnl_ct *);
61 extern uint32_t nfnl_ct_get_timeout(const struct nfnl_ct *);
62 
63 extern void nfnl_ct_set_mark(struct nfnl_ct *, uint32_t);
64 extern int nfnl_ct_test_mark(const struct nfnl_ct *);
65 extern uint32_t nfnl_ct_get_mark(const struct nfnl_ct *);
66 
67 extern void nfnl_ct_set_use(struct nfnl_ct *, uint32_t);
68 extern int nfnl_ct_test_use(const struct nfnl_ct *);
69 extern uint32_t nfnl_ct_get_use(const struct nfnl_ct *);
70 
71 extern void nfnl_ct_set_id(struct nfnl_ct *, uint32_t);
72 extern int nfnl_ct_test_id(const struct nfnl_ct *);
73 extern uint32_t nfnl_ct_get_id(const struct nfnl_ct *);
74 
75 extern int nfnl_ct_set_src(struct nfnl_ct *, int,
76  struct nl_addr *);
77 extern struct nl_addr * nfnl_ct_get_src(const struct nfnl_ct *, int);
78 
79 extern int nfnl_ct_set_dst(struct nfnl_ct *, int,
80  struct nl_addr *);
81 extern struct nl_addr * nfnl_ct_get_dst(const struct nfnl_ct *, int);
82 
83 extern void nfnl_ct_set_src_port(struct nfnl_ct *, int, uint16_t);
84 extern int nfnl_ct_test_src_port(const struct nfnl_ct *, int);
85 extern uint16_t nfnl_ct_get_src_port(const struct nfnl_ct *, int);
86 
87 extern void nfnl_ct_set_dst_port(struct nfnl_ct *, int, uint16_t);
88 extern int nfnl_ct_test_dst_port(const struct nfnl_ct *, int);
89 extern uint16_t nfnl_ct_get_dst_port(const struct nfnl_ct *, int);
90 
91 extern void nfnl_ct_set_icmp_id(struct nfnl_ct *, int, uint16_t);
92 extern int nfnl_ct_test_icmp_id(const struct nfnl_ct *, int);
93 extern uint16_t nfnl_ct_get_icmp_id(const struct nfnl_ct *, int);
94 
95 extern void nfnl_ct_set_icmp_type(struct nfnl_ct *, int, uint8_t);
96 extern int nfnl_ct_test_icmp_type(const struct nfnl_ct *, int);
97 extern uint8_t nfnl_ct_get_icmp_type(const struct nfnl_ct *, int);
98 
99 extern void nfnl_ct_set_icmp_code(struct nfnl_ct *, int, uint8_t);
100 extern int nfnl_ct_test_icmp_code(const struct nfnl_ct *, int);
101 extern uint8_t nfnl_ct_get_icmp_code(const struct nfnl_ct *, int);
102 
103 extern void nfnl_ct_set_packets(struct nfnl_ct *, int, uint64_t);
104 extern int nfnl_ct_test_packets(const struct nfnl_ct *, int);
105 extern uint64_t nfnl_ct_get_packets(const struct nfnl_ct *,int);
106 
107 extern void nfnl_ct_set_bytes(struct nfnl_ct *, int, uint64_t);
108 extern int nfnl_ct_test_bytes(const struct nfnl_ct *, int);
109 extern uint64_t nfnl_ct_get_bytes(const struct nfnl_ct *, int);
110 
111 #ifdef __cplusplus
112 }
113 #endif
114 
115 #endif
Netlink message header.
Object Operations.
Definition: object-api.h:254
struct nl_cache * nfnl_ct_alloc_cache(struct nl_handle *)
Build a conntrack cache holding all conntrack currently in the kernel.
Definition: ct.c:407