1/*
2 * Copyright (c) 2007-2018 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29/* $apfw: if_pflog.h,v 1.3 2007/08/13 22:18:33 jhw Exp $ */
30/* $OpenBSD: if_pflog.h,v 1.14 2006/10/25 11:27:01 henning Exp $ */
31/*
32 * Copyright 2001 Niels Provos <provos@citi.umich.edu>
33 * All rights reserved.
34 *
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
37 * are met:
38 * 1. Redistributions of source code must retain the above copyright
39 * notice, this list of conditions and the following disclaimer.
40 * 2. Redistributions in binary form must reproduce the above copyright
41 * notice, this list of conditions and the following disclaimer in the
42 * documentation and/or other materials provided with the distribution.
43 *
44 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
45 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
46 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
47 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
48 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
49 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
53 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
54 */
55
56#ifndef _NET_IF_PFLOG_H_
57#define _NET_IF_PFLOG_H_
58
59#if PF || !defined(KERNEL)
60
61#ifdef __cplusplus
62extern "C" {
63#endif
64
65#define PFLOGIFS_MAX 16
66#define PFLOGIF_ZONE_MAX_ELEM MIN(IFNETS_MAX, PFLOGIFS_MAX)
67
68#if KERNEL_PRIVATE
69struct pflog_softc {
70 struct ifnet *sc_if; /* back ptr to interface */
71 u_int32_t sc_flags;
72#define IFPFLF_DETACHING 0x1
73 int sc_unit;
74 LIST_ENTRY(pflog_softc) sc_list;
75};
76#endif /* KERNEL_PRIVATE */
77
78#define PFLOG_RULESET_NAME_SIZE 16
79
80struct pfloghdr {
81 u_int8_t length;
82 sa_family_t af;
83 u_int8_t action;
84 u_int8_t reason;
85 char ifname[IFNAMSIZ];
86 char ruleset[PFLOG_RULESET_NAME_SIZE];
87 u_int32_t rulenr;
88 u_int32_t subrulenr;
89 uid_t uid;
90 pid_t pid;
91 uid_t rule_uid;
92 pid_t rule_pid;
93 u_int8_t dir;
94 u_int8_t pad[3];
95};
96
97#define PFLOG_HDRLEN sizeof(struct pfloghdr)
98/* minus pad, also used as a signature */
99#define PFLOG_REAL_HDRLEN offsetof(struct pfloghdr, pad)
100
101#ifdef KERNEL_PRIVATE
102
103#if PFLOG
104#define PFLOG_PACKET(i, x, a, b, c, d, e, f, g, h) pflog_packet(i,a,b,c,d,e,f,g,h)
105#else
106#define PFLOG_PACKET(i, x, a, b, c, d, e, f, g, h) ((void)0)
107#endif /* PFLOG */
108
109__private_extern__ void pfloginit(void);
110#endif /* KERNEL_PRIVATE */
111
112#ifdef __cplusplus
113}
114#endif
115#endif /* PF || !KERNEL */
116#endif /* _NET_IF_PFLOG_H_ */
117