xref: /openbsd/sbin/isakmpd/isakmp.h (revision d415bd75)
1 /* $OpenBSD: isakmp.h,v 1.7 2004/06/20 15:24:05 ho Exp $	 */
2 /* $EOM: isakmp.h,v 1.11 2000/07/05 10:48:43 ho Exp $	 */
3 
4 /*
5  * Copyright (c) 1998 Niklas Hallqvist.  All rights reserved.
6  * Copyright (c) 2004 H�kan Olsson.  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 /*
30  * This code was written under funding by Ericsson Radio Systems.
31  */
32 
33 #ifndef _ISAKMP_H_
34 #define _ISAKMP_H_
35 
36 #include "isakmp_fld.h"
37 #include "isakmp_num.h"
38 
39 /* IANA assigned port */
40 #define UDP_DEFAULT_PORT		500
41 #define UDP_DEFAULT_PORT_STR		"500"
42 
43 #define ISAKMP_DEFAULT_TRANSPORT	"udp"
44 
45 /* draft-ietf-ipsec-nat-t-ike-07.txt */
46 #define UDP_ENCAP_DEFAULT_PORT		4500
47 #define UDP_ENCAP_DEFAULT_PORT_STR	"4500"
48 
49 /* ISAKMP header extras defines */
50 #define ISAKMP_HDR_COOKIES_OFF	ISAKMP_HDR_ICOOKIE_OFF
51 #define ISAKMP_HDR_COOKIES_LEN	(ISAKMP_HDR_ICOOKIE_LEN \
52 				 + ISAKMP_HDR_ICOOKIE_LEN)
53 
54 /* ISAKMP attribute utilitiy macros.  */
55 #define ISAKMP_ATTR_FORMAT(x)		((x) >> 15)
56 #define ISAKMP_ATTR_TYPE(x)		((x) & 0x7fff)
57 #define ISAKMP_ATTR_MAKE(fmt, type)	(((fmt) << 15) | (type))
58 
59 /* Version number handling.  */
60 #define ISAKMP_VERSION_MAJOR(x)		((x) >> 4)
61 #define ISAKMP_VERSION_MINOR(x)		((x) & 0xf)
62 #define ISAKMP_VERSION_MAKE(maj, min)	((maj) << 4 | (min))
63 
64 #endif				/* _ISAKMP_H_ */
65