1 /* $OpenBSD: if_pflog.h,v 1.14 2006/10/25 11:27:01 henning Exp $ */ 2 /* 3 * Copyright (c) 2004 The DragonFly Project. All rights reserved. 4 * 5 * Copyright 2001 Niels Provos <provos@citi.umich.edu> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _NET_IF_PFLOG_H_ 30 #define _NET_IF_PFLOG_H_ 31 32 #define PFLOGIFS_MAX 16 33 34 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES) 35 36 struct pflog_softc { 37 struct ifnet sc_if; /* the interface */ 38 int sc_unit; 39 LIST_ENTRY(pflog_softc) sc_list; 40 }; 41 42 #endif 43 44 #define PFLOG_RULESET_NAME_SIZE 16 45 46 struct pfloghdr { 47 u_int8_t length; 48 sa_family_t af; 49 u_int8_t action; 50 u_int8_t reason; 51 char ifname[IFNAMSIZ]; 52 char ruleset[PFLOG_RULESET_NAME_SIZE]; 53 u_int32_t rulenr; 54 u_int32_t subrulenr; 55 uid_t uid; 56 pid_t pid; 57 uid_t rule_uid; 58 pid_t rule_pid; 59 u_int8_t dir; 60 u_int8_t pad[3]; 61 }; 62 63 #define PFLOG_HDRLEN sizeof(struct pfloghdr) 64 /* minus pad, also used as a signature */ 65 #define PFLOG_REAL_HDRLEN offsetof(struct pfloghdr, pad) 66 67 /* XXX remove later when old format logs are no longer needed */ 68 struct old_pfloghdr { 69 u_int32_t af; 70 char ifname[IFNAMSIZ]; 71 short rnr; 72 u_short reason; 73 u_short action; 74 u_short dir; 75 }; 76 #define OLD_PFLOG_HDRLEN sizeof(struct old_pfloghdr) 77 78 #ifdef _KERNEL 79 80 #include "use_pflog.h" 81 82 #if NPFLOG > 0 83 #define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) pflog_packet(i,a,b,c,d,e,f,g,h) 84 #else 85 #define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) ((void)0) 86 #endif /* NPFLOG > 0 */ 87 #endif /* _KERNEL */ 88 #endif /* _NET_IF_PFLOG_H_ */ 89