doi.h revision 1.2 
1/*	$OpenBSD: doi.h,v 1.2 1998/11/15 00:43:52 niklas Exp $	*/
2
3/*
4 * Copyright (c) 1998 Niklas Hallqvist.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *	This product includes software developed by Ericsson Radio Systems.
17 * 4. The name of the author may not be used to endorse or promote products
18 *    derived from this software without specific prior written permission.
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/*
33 * This code was written under funding by Ericsson Radio Systems.
34 */
35
36#ifndef _DOI_H_
37#define _DOI_H_
38
39#include <sys/types.h>
40#include <sys/queue.h>
41
42struct exchange;
43struct keystate;
44struct message;
45struct proto;
46struct sa;
47
48/* XXX This structure needs per-field commenting.  */
49struct doi {
50  LIST_ENTRY (doi) link;
51  u_int8_t id;
52
53  /* Size of DOI-specific exchange data.  */
54  size_t exchange_size;
55
56  /* Size of DOI-specific security association data.  */
57  size_t sa_size;
58
59  /* Size of DOI-specific protocol data.  */
60  size_t proto_size;
61
62  int (*debug_attribute) (u_int16_t, u_int8_t *, u_int16_t, void *);
63  void (*delete_spi) (struct sa *, struct proto *, int);
64  u_int16_t *(*exchange_script) (u_int8_t);
65  void (*finalize_exchange) (struct message *);
66  void (*free_exchange_data) (void *);
67  void (*free_proto_data) (void *);
68  void (*free_sa_data) (void *);
69  struct keystate *(*get_keystate) (struct message *);
70  u_int8_t *(*get_spi) (size_t *, u_int8_t, struct message *);
71  int (*is_attribute_incompatible) (u_int16_t, u_int8_t *, u_int16_t, void *);
72  void (*setup_situation) (u_int8_t *);
73  size_t (*situation_size) (void);
74  u_int8_t (*spi_size) (u_int8_t);
75  int (*validate_attribute) (u_int16_t, u_int8_t *, u_int16_t, void *);
76  int (*validate_exchange) (u_int8_t);
77  int (*validate_id_information) (u_int8_t, u_int8_t *, u_int8_t *, size_t,
78				  struct exchange *);
79  int (*validate_key_information) (u_int8_t *, size_t);
80  int (*validate_notification) (u_int16_t);
81  int (*validate_proto) (u_int8_t);
82  int (*validate_situation) (u_int8_t *, size_t *);
83  int (*validate_transform_id) (u_int8_t, u_int8_t);
84  int (*initiator) (struct message *msg);
85  int (*responder) (struct message *msg);
86};
87
88extern void doi_init (void);
89extern struct doi *doi_lookup (u_int8_t);
90extern void doi_register (struct doi *);
91
92#endif /* _DOI_H_ */
93