1 /* $OpenBSD: if_pflog.h,v 1.14 2006/10/25 11:27:01 henning Exp $ */ 2 /* 3 * Copyright 2001 Niels Provos <provos@citi.umich.edu> 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 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef _NET_IF_PFLOG_H_ 28 #define _NET_IF_PFLOG_H_ 29 30 #define PFLOGIFS_MAX 16 31 32 struct pflog_softc { 33 struct ifnet sc_if; /* the interface */ 34 int sc_unit; 35 LIST_ENTRY(pflog_softc) sc_list; 36 }; 37 38 #define PFLOG_RULESET_NAME_SIZE 16 39 40 struct pfloghdr { 41 u_int8_t length; 42 sa_family_t af; 43 u_int8_t action; 44 u_int8_t reason; 45 char ifname[IFNAMSIZ]; 46 char ruleset[PFLOG_RULESET_NAME_SIZE]; 47 u_int32_t rulenr; 48 u_int32_t subrulenr; 49 uid_t uid; 50 pid_t pid; 51 uid_t rule_uid; 52 pid_t rule_pid; 53 u_int8_t dir; 54 u_int8_t pad[3]; 55 }; 56 57 #define PFLOG_HDRLEN sizeof(struct pfloghdr) 58 /* minus pad, also used as a signature */ 59 #define PFLOG_REAL_HDRLEN offsetof(struct pfloghdr, pad) 60 61 /* XXX remove later when old format logs are no longer needed */ 62 struct old_pfloghdr { 63 u_int32_t af; 64 char ifname[IFNAMSIZ]; 65 short rnr; 66 u_short reason; 67 u_short action; 68 u_short dir; 69 }; 70 #define OLD_PFLOG_HDRLEN sizeof(struct old_pfloghdr) 71 72 #ifdef _KERNEL 73 74 #if NPFLOG > 0 75 #define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) pflog_packet(i,a,b,c,d,e,f,g,h) 76 #else 77 #define PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) ((void)0) 78 #endif /* NPFLOG > 0 */ 79 #endif /* _KERNEL */ 80 #endif /* _NET_IF_PFLOG_H_ */ 81