1 /* $OpenBSD: if_pflog.h,v 1.23 2012/07/08 07:58:09 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 #include <net/pfvar.h> 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 rewritten; 55 sa_family_t naf; 56 u_int8_t pad[1]; 57 struct pf_addr saddr; 58 struct pf_addr daddr; 59 u_int16_t sport; 60 u_int16_t dport; 61 }; 62 63 #define PFLOG_HDRLEN sizeof(struct pfloghdr) 64 /* used to be minus pad, also used as a signature */ 65 #define PFLOG_REAL_HDRLEN PFLOG_HDRLEN 66 #define PFLOG_OLD_HDRLEN offsetof(struct pfloghdr, pad) 67 68 #ifdef _KERNEL 69 void pflog_bpfcopy(const void *, void *, size_t); 70 71 #if NPFLOG > 0 72 #define PFLOG_PACKET(a,b,c,d,e) pflog_packet(a,b,c,d,e) 73 #else 74 #define PFLOG_PACKET(a,b,c,d,e) ((void)0) 75 #endif /* NPFLOG > 0 */ 76 #endif /* _KERNEL */ 77 #endif /* _NET_IF_PFLOG_H_ */ 78