xref: /dragonfly/sys/net/pf/if_pflog.h (revision 7ff0fc30)
1 /* $OpenBSD: if_pflog.h,v 1.14 2006/10/25 11:27:01 henning Exp $ */
2 /*
3  * Copyright (c) 2004 The DragonFly Project.  All rights reserved.
4  *
5  * Copyright 2001 Niels Provos <provos@citi.umich.edu>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _NET_IF_PFLOG_H_
30 #define _NET_IF_PFLOG_H_
31 
32 #define	PFLOGIFS_MAX	16
33 
34 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
35 
36 struct pflog_softc {
37 	struct ifnet		sc_if;  /* the interface */
38 	int			sc_unit;
39 	LIST_ENTRY(pflog_softc) sc_list;
40 };
41 
42 #endif
43 
44 #define PFLOG_RULESET_NAME_SIZE	16
45 
46 struct pfloghdr {
47 	u_int8_t	length;
48 	sa_family_t	af;
49 	u_int8_t	action;
50 	u_int8_t	reason;
51 	char		ifname[IFNAMSIZ];
52 	char		ruleset[PFLOG_RULESET_NAME_SIZE];
53 	u_int32_t	rulenr;
54 	u_int32_t	subrulenr;
55 	uid_t		uid;
56 	pid_t		pid;
57 	uid_t		rule_uid;
58 	pid_t		rule_pid;
59 	u_int8_t	dir;
60 	u_int8_t	pad[3];
61 };
62 
63 #define PFLOG_HDRLEN		sizeof(struct pfloghdr)
64 /* minus pad, also used as a signature */
65 #define PFLOG_REAL_HDRLEN	offsetof(struct pfloghdr, pad)
66 
67 #ifdef _KERNEL
68 
69 #include "use_pflog.h"
70 
71 #if NPFLOG > 0
72 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) pflog_packet(i,a,b,c,d,e,f,g,h)
73 #else
74 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) ((void)0)
75 #endif /* NPFLOG > 0 */
76 #endif /* _KERNEL */
77 #endif /* _NET_IF_PFLOG_H_ */
78