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f01ffbd6 PM |
1 | #ifndef _NF_LOG_H |
2 | #define _NF_LOG_H | |
3 | ||
ca735b3a EL |
4 | #include <linux/netfilter.h> |
5 | ||
f01ffbd6 PM |
6 | /* those NF_LOG_* defines and struct nf_loginfo are legacy definitios that will |
7 | * disappear once iptables is replaced with pkttables. Please DO NOT use them | |
8 | * for any new code! */ | |
9 | #define NF_LOG_TCPSEQ 0x01 /* Log TCP sequence numbers */ | |
10 | #define NF_LOG_TCPOPT 0x02 /* Log TCP options */ | |
11 | #define NF_LOG_IPOPT 0x04 /* Log IP options */ | |
12 | #define NF_LOG_UID 0x08 /* Log UID owning local socket */ | |
13 | #define NF_LOG_MASK 0x0f | |
14 | ||
15 | #define NF_LOG_TYPE_LOG 0x01 | |
16 | #define NF_LOG_TYPE_ULOG 0x02 | |
17 | ||
18 | struct nf_loginfo { | |
19 | u_int8_t type; | |
20 | union { | |
21 | struct { | |
22 | u_int32_t copy_len; | |
23 | u_int16_t group; | |
24 | u_int16_t qthreshold; | |
25 | } ulog; | |
26 | struct { | |
27 | u_int8_t level; | |
28 | u_int8_t logflags; | |
29 | } log; | |
30 | } u; | |
31 | }; | |
32 | ||
8cdb46da HS |
33 | typedef void nf_logfn(struct net *net, |
34 | u_int8_t pf, | |
f01ffbd6 PM |
35 | unsigned int hooknum, |
36 | const struct sk_buff *skb, | |
37 | const struct net_device *in, | |
38 | const struct net_device *out, | |
39 | const struct nf_loginfo *li, | |
40 | const char *prefix); | |
41 | ||
42 | struct nf_logger { | |
43 | struct module *me; | |
44 | nf_logfn *logfn; | |
45 | char *name; | |
ca735b3a | 46 | struct list_head list[NFPROTO_NUMPROTO]; |
f01ffbd6 PM |
47 | }; |
48 | ||
49 | /* Function to register/unregister log function. */ | |
ca735b3a EL |
50 | int nf_log_register(u_int8_t pf, struct nf_logger *logger); |
51 | void nf_log_unregister(struct nf_logger *logger); | |
52 | ||
30e0c6a6 G |
53 | void nf_log_set(struct net *net, u_int8_t pf, |
54 | const struct nf_logger *logger); | |
55 | void nf_log_unset(struct net *net, const struct nf_logger *logger); | |
56 | ||
57 | int nf_log_bind_pf(struct net *net, u_int8_t pf, | |
58 | const struct nf_logger *logger); | |
59 | void nf_log_unbind_pf(struct net *net, u_int8_t pf); | |
f01ffbd6 PM |
60 | |
61 | /* Calls the registered backend logging function */ | |
30e0c6a6 G |
62 | __printf(8, 9) |
63 | void nf_log_packet(struct net *net, | |
64 | u_int8_t pf, | |
f01ffbd6 PM |
65 | unsigned int hooknum, |
66 | const struct sk_buff *skb, | |
67 | const struct net_device *in, | |
68 | const struct net_device *out, | |
7b2f9631 | 69 | const struct nf_loginfo *li, |
b9075fa9 | 70 | const char *fmt, ...); |
f01ffbd6 PM |
71 | |
72 | #endif /* _NF_LOG_H */ |