[apple/ipsec.git] / ipsec-tools / racoon / dnssec.c

/*	$NetBSD: dnssec.c,v 1.4 2006/09/09 16:22:09 manu Exp $	*/

/*	$KAME: dnssec.c,v 1.2 2001/08/05 18:46:07 itojun Exp $	*/

/*
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
 * 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. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``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 PROJECT OR CONTRIBUTORS 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.
 */

#include "config.h"

#if ENABLE_DNSSEC_CERTS

#include <sys/types.h>
#include <sys/param.h>
#include <stdlib.h>
#include <string.h>

#include "var.h"
#include "vmbuf.h"
#include "misc.h"
#include "plog.h"
#include "debug.h"

#include "isakmp_var.h"
#include "isakmp.h"
#include "ipsec_doi.h"
#include "oakley.h"
#include "netdb_dnssec.h"
#include "strnames.h"
#include "dnssec.h"
#include "gcmalloc.h"

extern int h_errno;

cert_t *
dnssec_getcert(id)
	vchar_t *id;
{
	cert_t *cert = NULL;
	struct certinfo *res = NULL;
	struct ipsecdoi_id_b *id_b;
	int type;
	char *name = NULL;
	int namelen;
	int error;

	id_b = ALIGNED_CAST(struct ipsecdoi_id_b *)id->v;

	namelen = id->l - sizeof(*id_b);
	name = racoon_malloc(namelen + 1);
	if (!name) {
		plog(ASL_LEVEL_ERR, 
			"failed to get buffer.\n");
		return NULL;
	}
	memcpy(name, id_b + 1, namelen);
	name[namelen] = '\0';

	switch (id_b->type) {
	case IPSECDOI_ID_FQDN:
		error = getcertsbyname(name, &res);
		if (error != 0) {
			plog(ASL_LEVEL_ERR, 
				"getcertsbyname(\"%s\") failed.\n", name);
			goto err;
		}
		break;
	case IPSECDOI_ID_IPV4_ADDR:
	case IPSECDOI_ID_IPV6_ADDR:
		/* XXX should be processed to query PTR ? */
	default:
		plog(ASL_LEVEL_ERR, 
			"impropper ID type passed %s "
			"though getcert method is dnssec.\n",
			s_ipsecdoi_ident(id_b->type));
		goto err;
	}

	/* check response */
	if (res->ci_next != NULL) {
		plog(ASL_LEVEL_WARNING, 
			"not supported multiple CERT RR.\n");
	}
	switch (res->ci_type) {
	case DNSSEC_TYPE_PKIX:
		/* XXX is it enough condition to set this type ? */
		type = ISAKMP_CERT_X509SIGN;
		break;
	default:
		plog(ASL_LEVEL_ERR, 
			"not supported CERT RR type %d.\n", res->ci_type);
		goto err;
	}

	/* create cert holder */
	cert = oakley_newcert();
	if (cert == NULL) {
		plog(ASL_LEVEL_ERR, 
			"failed to get cert buffer.\n");
		goto err;
	}
	cert->pl = vmalloc(res->ci_certlen + 1);
	if (cert->pl == NULL) {
		plog(ASL_LEVEL_ERR, 
			"failed to get cert buffer.\n");
		goto err;
	}
	memcpy(cert->pl->v + 1, res->ci_cert, res->ci_certlen);
	cert->pl->v[0] = type;
	cert->cert.v = cert->pl->v + 1;
	cert->cert.l = cert->pl->l - 1;

	plog(ASL_LEVEL_DEBUG, "created CERT payload:\n");

end:
	if (res)
		freecertinfo(res);

	return cert;

err:
	if (name)
		racoon_free(name);
	if (cert) {
		oakley_delcert(cert);
		cert = NULL;
	}

	goto end;
}

#endif /* ENABLE_DNSSEC_CERTS */
Commit	Line	Data
d1e348cf A	1	/* $NetBSD: dnssec.c,v 1.4 2006/09/09 16:22:09 manu Exp $ */
d1e348cf A	2
52b7d2ce A	3	/* $KAME: dnssec.c,v 1.2 2001/08/05 18:46:07 itojun Exp $ */
	4
	5	/*
	6	* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
	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	#include "config.h"
	35
7ebaebe2 A	36	#if ENABLE_DNSSEC_CERTS
7ebaebe2 A	37
52b7d2ce A	38	#include <sys/types.h>
	39	#include <sys/param.h>
	40	#include <stdlib.h>
	41	#include <string.h>
	42
	43	#include "var.h"
	44	#include "vmbuf.h"
	45	#include "misc.h"
	46	#include "plog.h"
	47	#include "debug.h"
	48
	49	#include "isakmp_var.h"
	50	#include "isakmp.h"
	51	#include "ipsec_doi.h"
	52	#include "oakley.h"
	53	#include "netdb_dnssec.h"
	54	#include "strnames.h"
	55	#include "dnssec.h"
	56	#include "gcmalloc.h"
	57
	58	extern int h_errno;
	59
	60	cert_t *
	61	dnssec_getcert(id)
	62	vchar_t *id;
	63	{
	64	cert_t *cert = NULL;
	65	struct certinfo *res = NULL;
	66	struct ipsecdoi_id_b *id_b;
	67	int type;
	68	char *name = NULL;
	69	int namelen;
	70	int error;
	71
85f41bec	72	id_b = ALIGNED_CAST(struct ipsecdoi_id_b *)id->v;
52b7d2ce A	73
	74	namelen = id->l - sizeof(*id_b);
	75	name = racoon_malloc(namelen + 1);
	76	if (!name) {
65c25746	77	plog(ASL_LEVEL_ERR,
52b7d2ce A	78	"failed to get buffer.\n");
	79	return NULL;
	80	}
	81	memcpy(name, id_b + 1, namelen);
	82	name[namelen] = '\0';
	83
	84	switch (id_b->type) {
	85	case IPSECDOI_ID_FQDN:
	86	error = getcertsbyname(name, &res);
	87	if (error != 0) {
65c25746	88	plog(ASL_LEVEL_ERR,
52b7d2ce A	89	"getcertsbyname(\"%s\") failed.\n", name);
	90	goto err;
	91	}
	92	break;
	93	case IPSECDOI_ID_IPV4_ADDR:
	94	case IPSECDOI_ID_IPV6_ADDR:
	95	/* XXX should be processed to query PTR ? */
	96	default:
65c25746	97	plog(ASL_LEVEL_ERR,
52b7d2ce A	98	"impropper ID type passed %s "
	99	"though getcert method is dnssec.\n",
	100	s_ipsecdoi_ident(id_b->type));
d1e348cf	101	goto err;
52b7d2ce A	102	}
	103
	104	/* check response */
	105	if (res->ci_next != NULL) {
65c25746	106	plog(ASL_LEVEL_WARNING,
52b7d2ce A	107	"not supported multiple CERT RR.\n");
	108	}
	109	switch (res->ci_type) {
	110	case DNSSEC_TYPE_PKIX:
	111	/* XXX is it enough condition to set this type ? */
	112	type = ISAKMP_CERT_X509SIGN;
	113	break;
	114	default:
65c25746	115	plog(ASL_LEVEL_ERR,
52b7d2ce A	116	"not supported CERT RR type %d.\n", res->ci_type);
	117	goto err;
	118	}
	119
	120	/* create cert holder */
	121	cert = oakley_newcert();
	122	if (cert == NULL) {
65c25746	123	plog(ASL_LEVEL_ERR,
52b7d2ce A	124	"failed to get cert buffer.\n");
	125	goto err;
	126	}
	127	cert->pl = vmalloc(res->ci_certlen + 1);
	128	if (cert->pl == NULL) {
65c25746	129	plog(ASL_LEVEL_ERR,
52b7d2ce A	130	"failed to get cert buffer.\n");
	131	goto err;
	132	}
	133	memcpy(cert->pl->v + 1, res->ci_cert, res->ci_certlen);
	134	cert->pl->v[0] = type;
	135	cert->cert.v = cert->pl->v + 1;
	136	cert->cert.l = cert->pl->l - 1;
	137
65c25746	138	plog(ASL_LEVEL_DEBUG, "created CERT payload:\n");
52b7d2ce A	139
	140	end:
	141	if (res)
	142	freecertinfo(res);
	143
	144	return cert;
	145
	146	err:
	147	if (name)
	148	racoon_free(name);
d1e348cf	149	if (cert) {
52b7d2ce	150	oakley_delcert(cert);
d1e348cf A	151	cert = NULL;
	152	}
	153
52b7d2ce A	154	goto end;
52b7d2ce A	155	}
7ebaebe2 A	156
7ebaebe2 A	157	#endif /* ENABLE_DNSSEC_CERTS */