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/* $OpenBSD: cert.h,v 1.9 2001/07/01 19:48:42 niklas Exp $ */
/* $EOM: cert.h,v 1.8 2000/09/28 12:53:27 niklas Exp $ */
/*
* Copyright (c) 1998, 1999 Niels Provos. All rights reserved.
* Copyright (c) 2000, 2001 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 _CERT_H_
#define _CERT_H_
#include <sys/param.h>
#include <sys/types.h>
#include <sys/queue.h>
/*
* CERT handler for each kind of certificate:
*
* cert_init - Initialize CERT handler - called only once.
* cert_get - Get a certificate in internal representation from raw data.
* cert_validate - validated a certificate, if it returns != 0 we can use it.
* cert_insert - inserts cert into memory storage, we can retrieve with
* cert_obtain.
* cert_dup - duplicate a certificate
* cert_serialize - convert to a "serialized" form; KeyNote stays the same,
* X509 is converted to the ASN1 notation.
* cert_printable - for X509, the hex representation of the serialized form;
* for KeyNote, itself.
* cert_from_printable - the reverse of cert_printable
*/
struct cert_handler {
u_int16_t id; /* ISAKMP Cert Encoding ID */
int (*cert_init) (void);
void *(*cert_get) (u_int8_t *, u_int32_t);
int (*cert_validate) (void *);
int (*cert_insert) (int, void *);
void (*cert_free) (void *);
int (*certreq_validate) (u_int8_t *, u_int32_t);
void *(*certreq_decode) (u_int8_t *, u_int32_t);
void (*free_aca) (void *);
int (*cert_obtain) (u_int8_t *, size_t, void *, u_int8_t **, u_int32_t *);
int (*cert_get_key) (void *, void *);
int (*cert_get_subjects) (void *, int *, u_int8_t ***, u_int32_t **);
void *(*cert_dup) (void *);
void (*cert_serialize) (void *, u_int8_t **, u_int32_t *);
char *(*cert_printable) (void *);
void *(*cert_from_printable) (char *);
};
/* The acceptable authority of cert request. */
struct certreq_aca {
TAILQ_ENTRY (certreq_aca) link;
u_int16_t id;
struct cert_handler *handler;
/* If data is a null pointer, everything is acceptable. */
void *data;
};
struct certreq_aca *certreq_decode (u_int16_t, u_int8_t *, u_int32_t);
void cert_free_subjects (int, u_int8_t **, u_int32_t *);
struct cert_handler *cert_get (u_int16_t);
int cert_init (void);
#endif /* _CERT_H_ */
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