1 /*	$NetBSD: isakmp_frag.h,v 1.5 2006/09/18 20:32:40 manu Exp $	*/
2 
3 /*	Id: isakmp_frag.h,v 1.3 2005/04/09 16:25:24 manubsd Exp */
4 
5 /*
6  * Copyright (C) 2004 Emmanuel Dreyfus
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. Neither the name of the project nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 /* These are the values from parsing "remote {}"
35    block of the config file. */
36 #define ISAKMP_FRAG_OFF		FLASE   /* = 0 */
37 #define ISAKMP_FRAG_ON		TRUE    /* = 1 */
38 #define ISAKMP_FRAG_FORCE	2
39 
40 /* IKE fragmentation capabilities */
41 #define VENDORID_FRAG_IDENT 	0x80000000
42 #define VENDORID_FRAG_BASE 	0x40000000
43 #define VENDORID_FRAG_AGG 	0x80000000
44 
45 #define ISAKMP_FRAG_MAXLEN 552
46 
47 struct isakmp_frag_item {
48 	int	frag_num;
49 	int	frag_last;
50 	struct isakmp_frag_item *frag_next;
51 	vchar_t *frag_packet;
52 };
53 
54 int isakmp_sendfrags(struct ph1handle *, vchar_t *);
55 unsigned int vendorid_frag_cap(struct isakmp_gen *);
56 int isakmp_frag_extract(struct ph1handle *, vchar_t *);
57 vchar_t *isakmp_frag_reassembly(struct ph1handle *);
58 vchar_t *isakmp_frag_addcap(vchar_t *, int);
59