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 <[email protected]> 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 62 extern "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 69 struct 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 80 struct 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