xref: /dragonfly/sys/net/pf/if_pflog.h (revision a8ca8ac6)
1 /* $FreeBSD: src/sys/contrib/pf/net/if_pflog.h,v 1.4 2004/06/16 23:24:00 mlaier Exp $ */
2 /* $OpenBSD: if_pflog.h,v 1.10 2004/03/19 04:52:04 frantzen Exp $ */
3 /* $DragonFly: src/sys/net/pf/if_pflog.h,v 1.1 2004/09/19 22:32:47 joerg Exp $ */
4 /* $OpenBSD: if_pflog.h,v 1.14 2006/10/25 11:27:01 henning Exp $ */
5 /*
6  * Copyright (c) 2004 The DragonFly Project.  All rights reserved.
7  *
8  * Copyright 2001 Niels Provos <provos@citi.umich.edu>
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _NET_IF_PFLOG_H_
33 #define _NET_IF_PFLOG_H_
34 
35 #define	PFLOGIFS_MAX	16
36 
37 struct pflog_softc {
38 	struct ifnet		sc_if;  /* the interface */
39 	int			sc_unit;
40 	LIST_ENTRY(pflog_softc) sc_list;
41 };
42 
43 #define PFLOG_RULESET_NAME_SIZE	16
44 
45 struct pfloghdr {
46 	u_int8_t	length;
47 	sa_family_t	af;
48 	u_int8_t	action;
49 	u_int8_t	reason;
50 	char		ifname[IFNAMSIZ];
51 	char		ruleset[PFLOG_RULESET_NAME_SIZE];
52 	u_int32_t	rulenr;
53 	u_int32_t	subrulenr;
54 	uid_t		uid;
55 	pid_t		pid;
56 	uid_t		rule_uid;
57 	pid_t		rule_pid;
58 	u_int8_t	dir;
59 	u_int8_t	pad[3];
60 };
61 
62 #define PFLOG_HDRLEN		sizeof(struct pfloghdr)
63 /* minus pad, also used as a signature */
64 #define PFLOG_REAL_HDRLEN	offsetof(struct pfloghdr, pad)
65 
66 /* XXX remove later when old format logs are no longer needed */
67 struct old_pfloghdr {
68 	u_int32_t af;
69 	char ifname[IFNAMSIZ];
70 	short rnr;
71 	u_short reason;
72 	u_short action;
73 	u_short dir;
74 };
75 #define OLD_PFLOG_HDRLEN	sizeof(struct old_pfloghdr)
76 
77 #ifdef _KERNEL
78 
79 #include "use_pflog.h"
80 
81 #if NPFLOG > 0
82 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) pflog_packet(i,a,b,c,d,e,f,g,h)
83 #else
84 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) ((void)0)
85 #endif /* NPFLOG > 0 */
86 #endif /* _KERNEL */
87 #endif /* _NET_IF_PFLOG_H_ */
88