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 struct pflog_softc { 35 struct ifnet sc_if; /* the interface */ 36 int sc_unit; 37 LIST_ENTRY(pflog_softc) sc_list; 38 }; 39 40 #define PFLOG_RULESET_NAME_SIZE 16 41 42 struct pfloghdr { 43 u_int8_t length; 44 sa_family_t af; 45 u_int8_t action; 46 u_int8_t reason; 47 char ifname[IFNAMSIZ]; 48 char ruleset[PFLOG_RULESET_NAME_SIZE]; 49 u_int32_t rulenr; 50 u_int32_t subrulenr; 51 uid_t uid; 52 pid_t pid; 53 uid_t rule_uid; 54 pid_t rule_pid; 55 u_int8_t dir; 56 u_int8_t pad[3]; 57 }; 58 59 #define PFLOG_HDRLEN sizeof(struct pfloghdr) 60 /* minus pad, also used as a signature */ 61 #define PFLOG_REAL_HDRLEN offsetof(struct pfloghdr, pad) 62 63 /* XXX remove later when old format logs are no longer needed */ 64 struct old_pfloghdr { 65 u_int32_t af; 66 char ifname[IFNAMSIZ]; 67 short rnr; 68 u_short reason; 69 u_short action; 70 u_short dir; 71 }; 72 #define OLD_PFLOG_HDRLEN sizeof(struct old_pfloghdr) 73 74 #ifdef _KERNEL 75 76 #include "use_pflog.h" 77 78 #if NPFLOG > 0 79 #define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) pflog_packet(i,a,b,c,d,e,f,g,h) 80 #else 81 #define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) ((void)0) 82 #endif /* NPFLOG > 0 */ 83 #endif /* _KERNEL */ 84 #endif /* _NET_IF_PFLOG_H_ */ 85