1/*
2 * Copyright (c) 2001 Daniel Hartmeier
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 *    - Redistributions of source code must retain the above copyright
10 *      notice, this list of conditions and the following disclaimer.
11 *    - Redistributions in binary form must reproduce the above
12 *      copyright notice, this list of conditions and the following
13 *      disclaimer in the documentation and/or other materials provided
14 *      with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
19 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
20 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
24 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
26 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 *
29 * @(#) $Header: /tcpdump/master/tcpdump/pf.h,v 1.2 2004/04/02 06:36:25 guy Exp $ (LBL)
30 */
31
32/*	from $OpenBSD: pfvar.h,v 1.170 2003/08/22 21:50:34 david Exp $ */
33
34enum	{ PF_INOUT=0, PF_IN=1, PF_OUT=2 };
35enum	{ PF_PASS=0, PF_DROP=1, PF_SCRUB=2, PF_NAT=3, PF_NONAT=4,
36	  PF_BINAT=5, PF_NOBINAT=6, PF_RDR=7, PF_NORDR=8, PF_SYNPROXY_DROP=9 };
37
38/* Reasons code for passing/dropping a packet */
39#define PFRES_MATCH	0		/* Explicit match of a rule */
40#define PFRES_BADOFF	1		/* Bad offset for pull_hdr */
41#define PFRES_FRAG	2		/* Dropping following fragment */
42#define PFRES_SHORT	3		/* Dropping short packet */
43#define PFRES_NORM	4		/* Dropping by normalizer */
44#define PFRES_MEMORY	5		/* Dropped due to lacking mem */
45#define PFRES_MAX	6		/* total+1 */
46
47#define PFRES_NAMES { \
48	"match", \
49	"bad-offset", \
50	"fragment", \
51	"short", \
52	"normalize", \
53	"memory", \
54	NULL \
55}
56
57#define PF_RULESET_NAME_SIZE	16
58
59/*	from $OpenBSD: if_pflog.h,v 1.9 2003/07/15 20:27:27 dhartmei Exp $ */
60
61#ifndef IFNAMSIZ
62#define	IFNAMSIZ	16
63#endif
64
65struct pfloghdr {
66	u_int8_t	length;
67	u_int8_t	af;
68	u_int8_t	action;
69	u_int8_t	reason;
70	char		ifname[IFNAMSIZ];
71	char		ruleset[PF_RULESET_NAME_SIZE];
72	u_int32_t	rulenr;
73	u_int32_t	subrulenr;
74	u_int8_t	dir;
75	u_int8_t	pad[3];
76};
77#define PFLOG_HDRLEN		sizeof(struct pfloghdr)
78