1/* 2 * Copyright (c) 1982, 1986, 1993 3 * The Regents of the University of California. 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 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34/* 35 * pflog headers, at least as they exist now. 36 */ 37#define PFLOG_IFNAMSIZ 16 38#define PFLOG_RULESET_NAME_SIZE 16 39 40/* 41 * Direction values. 42 */ 43#define PF_INOUT 0 44#define PF_IN 1 45#define PF_OUT 2 46#if defined(__OpenBSD__) 47#define PF_FWD 3 48#endif 49 50/* 51 * Reason values. 52 */ 53#define PFRES_MATCH 0 54#define PFRES_BADOFF 1 55#define PFRES_FRAG 2 56#define PFRES_SHORT 3 57#define PFRES_NORM 4 58#define PFRES_MEMORY 5 59#define PFRES_TS 6 60#define PFRES_CONGEST 7 61#define PFRES_IPOPTIONS 8 62#define PFRES_PROTCKSUM 9 63#define PFRES_BADSTATE 10 64#define PFRES_STATEINS 11 65#define PFRES_MAXSTATES 12 66#define PFRES_SRCLIMIT 13 67#define PFRES_SYNPROXY 14 68#if defined(__FreeBSD__) 69#define PFRES_MAPFAILED 15 70#elif defined(__NetBSD__) 71#define PFRES_STATELOCKED 15 72#elif defined(__OpenBSD__) 73#define PFRES_TRANSLATE 15 74#define PFRES_NOROUTE 16 75#elif defined(__APPLE__) 76#define PFRES_DUMMYNET 15 77#endif 78 79/* 80 * Action values. 81 */ 82#define PF_PASS 0 83#define PF_DROP 1 84#define PF_SCRUB 2 85#define PF_NOSCRUB 3 86#define PF_NAT 4 87#define PF_NONAT 5 88#define PF_BINAT 6 89#define PF_NOBINAT 7 90#define PF_RDR 8 91#define PF_NORDR 9 92#define PF_SYNPROXY_DROP 10 93#if defined(__FreeBSD__) 94#define PF_DEFER 11 95#elif defined(__OpenBSD__) 96#define PF_DEFER 11 97#define PF_MATCH 12 98#define PF_DIVERT 13 99#define PF_RT 14 100#define PF_AFRT 15 101#elif defined(__APPLE__) 102#define PF_DUMMYNET 11 103#define PF_NODUMMYNET 12 104#define PF_NAT64 13 105#define PF_NONAT64 14 106#endif 107 108struct pf_addr { 109 union { 110 struct in_addr v4; 111 struct in6_addr v6; 112 uint8_t addr8[16]; 113 uint16_t addr16[8]; 114 uint32_t addr32[4]; 115 } pfa; /* 128-bit address */ 116#define v4 pfa.v4 117#define v6 pfa.v6 118#define addr8 pfa.addr8 119#define addr16 pfa.addr16 120#define addr32 pfa.addr32 121}; 122 123struct pfloghdr { 124 uint8_t length; 125 uint8_t af; 126 uint8_t action; 127 uint8_t reason; 128 char ifname[PFLOG_IFNAMSIZ]; 129 char ruleset[PFLOG_RULESET_NAME_SIZE]; 130 uint32_t rulenr; 131 uint32_t subrulenr; 132 uint32_t uid; 133 int32_t pid; 134 uint32_t rule_uid; 135 int32_t rule_pid; 136 uint8_t dir; 137#if defined(__OpenBSD__) 138 uint8_t rewritten; 139 uint8_t naf; 140 uint8_t pad[1]; 141#else 142 uint8_t pad[3]; 143#endif 144#if defined(__FreeBSD__) 145 uint32_t ridentifier; 146 uint8_t reserve; 147 uint8_t pad2[3]; 148#elif defined(__OpenBSD__) 149 struct pf_addr saddr; 150 struct pf_addr daddr; 151 uint16_t sport; 152 uint16_t dport; 153#endif 154}; 155 156 157 158