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