[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"

#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 = (struct ipsecdoi_id_b *)id->v;

	namelen = id->l - sizeof(*id_b);
	name = racoon_malloc(namelen + 1);
	if (!name) {
		plog(LLV_ERROR, LOCATION, NULL,
			"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(LLV_ERROR, LOCATION, NULL,
				"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(LLV_ERROR, LOCATION, NULL,
			"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(LLV_WARNING, LOCATION, NULL,
			"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(LLV_ERROR, LOCATION, NULL,
			"not supported CERT RR type %d.\n", res->ci_type);
		goto err;
	}

	/* create cert holder */
	cert = oakley_newcert();
	if (cert == NULL) {
		plog(LLV_ERROR, LOCATION, NULL,
			"failed to get cert buffer.\n");
		goto err;
	}
	cert->pl = vmalloc(res->ci_certlen + 1);
	if (cert->pl == NULL) {
		plog(LLV_ERROR, LOCATION, NULL,
			"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(LLV_DEBUG, LOCATION, NULL, "created CERT payload:\n");
	plogdump(LLV_DEBUG, cert->pl->v, cert->pl->l);

end:
	if (res)
		freecertinfo(res);

	return cert;

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

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