| 1 | /* $OpenBSD: if_pflog.h,v 1.29 2021/01/13 09:13:30 mvs 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 <sys/queue.h> |
| 31 | #include <net/pfvar.h> |
| 32 | |
| 33 | #define PFLOG_RULESET_NAME_SIZE	16 |
| 34 | |
| 35 | struct pfloghdr { |
| 36 | 	u_int8_t	length; |
| 37 | 	sa_family_t	af; |
| 38 | 	u_int8_t	action; |
| 39 | 	u_int8_t	reason; |
| 40 | 	char		ifname[IFNAMSIZ]; |
| 41 | 	char		ruleset[PFLOG_RULESET_NAME_SIZE]; |
| 42 | 	u_int32_t	rulenr; |
| 43 | 	u_int32_t	subrulenr; |
| 44 | 	uid_t		uid; |
| 45 | 	pid_t		pid; |
| 46 | 	uid_t		rule_uid; |
| 47 | 	pid_t		rule_pid; |
| 48 | 	u_int8_t	dir; |
| 49 | 	u_int8_t	rewritten; |
| 50 | 	sa_family_t	naf; |
| 51 | 	u_int8_t	pad[1]; |
| 52 | 	struct pf_addr	saddr; |
| 53 | 	struct pf_addr	daddr; |
| 54 | 	u_int16_t	sport; |
| 55 | 	u_int16_t	dport; |
| 56 | }; |
| 57 | |
| 58 | #define PFLOG_HDRLEN		sizeof(struct pfloghdr) |
| 59 | /* used to be minus pad, also used as a signature */ |
| 60 | #define PFLOG_REAL_HDRLEN	PFLOG_HDRLEN |
| 61 | #define PFLOG_OLD_HDRLEN	offsetof(struct pfloghdr, pad) |
| 62 | |
| 63 | #ifdef _KERNEL |
| 64 | |
| 65 | struct pflog_softc { |
| 66 | 	LIST_ENTRY(pflog_softc)		sc_entry; |
| 67 | 	struct ifnet			sc_if;		/* the interface */ |
| 68 | 	int				sc_unit; |
| 69 | }; |
| 70 | |
| 71 | #endif /* _KERNEL */ |
| 72 | #endif /* _NET_IF_PFLOG_H_ */ |