1/* $OpenBSD: if_pflog.h,v 1.29 2021/01/13 09:13:30 mvs 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#include <sys/queue.h>
31#include <net/pfvar.h>
32
33#define PFLOG_RULESET_NAME_SIZE	16
34
35struct pfloghdr {
36	u_int8_t	length;
37	sa_family_t	af;
38	u_int8_t	action;
39	u_int8_t	reason;
40	char		ifname[IFNAMSIZ];
41	char		ruleset[PFLOG_RULESET_NAME_SIZE];
42	u_int32_t	rulenr;
43	u_int32_t	subrulenr;
44	uid_t		uid;
45	pid_t		pid;
46	uid_t		rule_uid;
47	pid_t		rule_pid;
48	u_int8_t	dir;
49	u_int8_t	rewritten;
50	sa_family_t	naf;
51	u_int8_t	pad[1];
52	struct pf_addr	saddr;
53	struct pf_addr	daddr;
54	u_int16_t	sport;
55	u_int16_t	dport;
56};
57
58#define PFLOG_HDRLEN		sizeof(struct pfloghdr)
59/* used to be minus pad, also used as a signature */
60#define PFLOG_REAL_HDRLEN	PFLOG_HDRLEN
61#define PFLOG_OLD_HDRLEN	offsetof(struct pfloghdr, pad)
62
63#ifdef _KERNEL
64
65struct pflog_softc {
66	LIST_ENTRY(pflog_softc)		sc_entry;
67	struct ifnet			sc_if;		/* the interface */
68	int				sc_unit;
69};
70
71#endif /* _KERNEL */
72#endif /* _NET_IF_PFLOG_H_ */
73