1 2 /* 3 * Copyright (c) 2001 Daniel Hartmeier 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * - Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * - Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials provided 15 * with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 21 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 * 30 * @(#) Header: /tcpdump/master/tcpdump/pf.h,v 1.2 2004/04/02 06:36:25 guy Exp (LBL) 31 */ 32 33 /* from $OpenBSD: pfvar.h,v 1.170 2003/08/22 21:50:34 david Exp $ */ 34 35 enum { PF_INOUT=0, PF_IN=1, PF_OUT=2 }; 36 enum { PF_PASS=0, PF_DROP=1, PF_SCRUB=2, PF_NAT=3, PF_NONAT=4, 37 PF_BINAT=5, PF_NOBINAT=6, PF_RDR=7, PF_NORDR=8, PF_SYNPROXY_DROP=9 }; 38 39 /* Reasons code for passing/dropping a packet */ 40 #define PFRES_MATCH 0 /* Explicit match of a rule */ 41 #define PFRES_BADOFF 1 /* Bad offset for pull_hdr */ 42 #define PFRES_FRAG 2 /* Dropping following fragment */ 43 #define PFRES_SHORT 3 /* Dropping short packet */ 44 #define PFRES_NORM 4 /* Dropping by normalizer */ 45 #define PFRES_MEMORY 5 /* Dropped due to lacking mem */ 46 #define PFRES_MAX 6 /* total+1 */ 47 48 #define PFRES_NAMES { \ 49 "match", \ 50 "bad-offset", \ 51 "fragment", \ 52 "short", \ 53 "normalize", \ 54 "memory", \ 55 NULL \ 56 } 57 58 #define PF_RULESET_NAME_SIZE 16 59 60 /* from $OpenBSD: if_pflog.h,v 1.9 2003/07/15 20:27:27 dhartmei Exp $ */ 61 62 #ifndef IFNAMSIZ 63 #define IFNAMSIZ 16 64 #endif 65 66 struct pfloghdr { 67 u_int8_t length; 68 u_int8_t af; 69 u_int8_t action; 70 u_int8_t reason; 71 char ifname[IFNAMSIZ]; 72 char ruleset[PF_RULESET_NAME_SIZE]; 73 u_int32_t rulenr; 74 u_int32_t subrulenr; 75 u_int8_t dir; 76 u_int8_t pad[3]; 77 }; 78 #define PFLOG_HDRLEN sizeof(struct pfloghdr) 79