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/* $OpenBSD: doi.h,v 1.10 2002/09/11 09:50:43 ho Exp $ */
/* $EOM: doi.h,v 1.29 2000/07/02 18:47:15 provos Exp $ */
/*
* Copyright (c) 1998, 1999 Niklas Hallqvist. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Ericsson Radio Systems.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This code was written under funding by Ericsson Radio Systems.
*/
#ifndef _DOI_H_
#define _DOI_H_
#include <sys/types.h>
#include <sys/queue.h>
struct exchange;
struct keystate;
struct message;
struct payload;
struct proto;
struct sa;
/* XXX This structure needs per-field commenting. */
struct doi {
LIST_ENTRY (doi) link;
u_int8_t id;
/* Size of DOI-specific exchange data. */
size_t exchange_size;
/* Size of DOI-specific security association data. */
size_t sa_size;
/* Size of DOI-specific protocol data. */
size_t proto_size;
#ifdef USE_DEBUG
int (*debug_attribute) (u_int16_t, u_int8_t *, u_int16_t, void *);
#endif
void (*delete_spi) (struct sa *, struct proto *, int);
int16_t *(*exchange_script) (u_int8_t);
void (*finalize_exchange) (struct message *);
void (*free_exchange_data) (void *);
void (*free_proto_data) (void *);
void (*free_sa_data) (void *);
struct keystate *(*get_keystate) (struct message *);
u_int8_t *(*get_spi) (size_t *, u_int8_t, struct message *);
int (*handle_leftover_payload) (struct message *, u_int8_t,
struct payload *);
int (*informational_post_hook) (struct message *);
int (*informational_pre_hook) (struct message *);
int (*is_attribute_incompatible) (u_int16_t, u_int8_t *, u_int16_t, void *);
void (*proto_init) (struct proto *, char *);
void (*setup_situation) (u_int8_t *);
size_t (*situation_size) (void);
u_int8_t (*spi_size) (u_int8_t);
int (*validate_attribute) (u_int16_t, u_int8_t *, u_int16_t, void *);
int (*validate_exchange) (u_int8_t);
int (*validate_id_information) (u_int8_t, u_int8_t *, u_int8_t *, size_t,
struct exchange *);
int (*validate_key_information) (u_int8_t *, size_t);
int (*validate_notification) (u_int16_t);
int (*validate_proto) (u_int8_t);
int (*validate_situation) (u_int8_t *, size_t *);
int (*validate_transform_id) (u_int8_t, u_int8_t);
int (*initiator) (struct message *msg);
int (*responder) (struct message *msg);
char *(*decode_ids) (char *, u_int8_t *, size_t, u_int8_t *, size_t, int);
};
extern void doi_init (void);
extern struct doi *doi_lookup (u_int8_t);
extern void doi_register (struct doi *);
#endif /* _DOI_H_ */
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