1/* $OpenBSD: if_pflog.h,v 1.13 2006/10/23 12:46:09 henning Exp $ */
2/*-
3 * SPDX-License-Identifier: BSD-2-Clause
4 *
5 * Copyright 2001 Niels Provos <provos@citi.umich.edu>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31#ifndef _NET_IF_PFLOG_H_
32#define	_NET_IF_PFLOG_H_
33
34#define	PFLOGIFS_MAX	16
35
36#define	PFLOG_RULESET_NAME_SIZE	16
37
38struct pfloghdr {
39	u_int8_t	length;
40	sa_family_t	af;
41	u_int8_t	action;
42	u_int8_t	reason;
43	char		ifname[IFNAMSIZ];
44	char		ruleset[PFLOG_RULESET_NAME_SIZE];
45	u_int32_t	rulenr;
46	u_int32_t	subrulenr;
47	uid_t		uid;
48	pid_t		pid;
49	uid_t		rule_uid;
50	pid_t		rule_pid;
51	u_int8_t	dir;
52	u_int8_t	pad[3];
53};
54
55#define	PFLOG_HDRLEN		sizeof(struct pfloghdr)
56/* minus pad, also used as a signature */
57#define	PFLOG_REAL_HDRLEN	offsetof(struct pfloghdr, pad)
58
59#ifdef _KERNEL
60struct pf_rule;
61struct pf_ruleset;
62struct pfi_kif;
63struct pf_pdesc;
64
65#define	PFLOG_PACKET(i,a,b,c,d,e,f,g,h,di) do {		\
66	if (pflog_packet_ptr != NULL)			\
67		pflog_packet_ptr(i,a,b,c,d,e,f,g,h,di);	\
68} while (0)
69#endif /* _KERNEL */
70#endif /* _NET_IF_PFLOG_H_ */
71