1 /* $OpenBSD: if_pflog.h,v 1.14 2006/10/25 11:27:01 henning Exp $ */
2 /*
3 * Copyright 2001 Niels Provos <provos@citi.umich.edu>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #ifndef _NET_IF_PFLOG_H_
28 #define _NET_IF_PFLOG_H_
29
30 #define PFLOGIFS_MAX 16
31
32 struct pflog_softc {
33 struct ifnet sc_if; /* the interface */
34 int sc_unit;
35 LIST_ENTRY(pflog_softc) sc_list;
36 };
37
38 #define PFLOG_RULESET_NAME_SIZE 16
39
40 struct pfloghdr {
41 u_int8_t length;
42 sa_family_t af;
43 u_int8_t action;
44 u_int8_t reason;
45 char ifname[IFNAMSIZ];
46 char ruleset[PFLOG_RULESET_NAME_SIZE];
47 u_int32_t rulenr;
48 u_int32_t subrulenr;
49 uid_t uid;
50 pid_t pid;
51 uid_t rule_uid;
52 pid_t rule_pid;
53 u_int8_t dir;
54 u_int8_t pad[3];
55 };
56
57 #define PFLOG_HDRLEN sizeof(struct pfloghdr)
58 /* minus pad, also used as a signature */
59 #define PFLOG_REAL_HDRLEN offsetof(struct pfloghdr, pad)
60
61 /* XXX remove later when old format logs are no longer needed */
62 struct old_pfloghdr {
63 u_int32_t af;
64 char ifname[IFNAMSIZ];
65 short rnr;
66 u_short reason;
67 u_short action;
68 u_short dir;
69 };
70 #define OLD_PFLOG_HDRLEN sizeof(struct old_pfloghdr)
71
72 #ifdef _KERNEL
73
74 #if NPFLOG > 0
75 #define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) pflog_packet(i,a,b,c,d,e,f,g,h)
76 #else
77 #define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) ((void)0)
78 #endif /* NPFLOG > 0 */
79 #endif /* _KERNEL */
80 #endif /* _NET_IF_PFLOG_H_ */