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