1 /* $OpenBSD: if_pflog.h,v 1.19 2011/07/03 19:07:32 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 #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 rewritten; 57 u_int8_t pad[2]; 58 struct pf_addr saddr; 59 struct pf_addr daddr; 60 u_int16_t sport; 61 u_int16_t dport; 62 }; 63 64 #define PFLOG_HDRLEN sizeof(struct pfloghdr) 65 /* used to be minus pad, also used as a signature */ 66 #define PFLOG_REAL_HDRLEN PFLOG_HDRLEN 67 #define PFLOG_OLD_HDRLEN offsetof(struct pfloghdr, pad) 68 69 #ifdef _KERNEL 70 void pflog_bpfcopy(const void *, void *, size_t); 71 72 #if NPFLOG > 0 73 #define PFLOG_PACKET(i,b,c,d,e,f,g,h) pflog_packet(i,b,c,d,e,f,g,h) 74 #else 75 #define PFLOG_PACKET(i,b,c,d,e,f,g,h) ((void)0) 76 #endif /* NPFLOG > 0 */ 77 #endif /* _KERNEL */ 78 #endif /* _NET_IF_PFLOG_H_ */ 79