Return to dnssec.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / ipsec-tools / src / racoon

ipsec-tools

    1: /*	$NetBSD: dnssec.c,v 1.5 2009/03/12 10:57:26 tteras Exp $	*/
    2: 
    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: vchar_t *
   59: dnssec_getcert(id)
   60: 	vchar_t *id;
   61: {
   62: 	vchar_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: 			"inpropper ID type passed %s "
   97: 			"though getcert method is dnssec.\n",
   98: 			s_ipsecdoi_ident(id_b->type));
   99: 		goto err;
  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 = vmalloc(res->ci_certlen + 1);
  120: 	if (cert == NULL) {
  121: 		plog(LLV_ERROR, LOCATION, NULL,
  122: 			"failed to get cert buffer.\n");
  123: 		goto err;
  124: 	}
  125: 	cert->v[0] = type;
  126: 	memcpy(&cert->v[1], res->ci_cert, res->ci_certlen);
  127: 
  128: 	plog(LLV_DEBUG, LOCATION, NULL, "created CERT payload:\n");
  129: 	plogdump(LLV_DEBUG, cert->v, cert->l);
  130: 
  131: err:
  132: 	if (name)
  133: 		racoon_free(name);
  134: 	if (res)
  135: 		freecertinfo(res);
  136: 	return cert;
  137: }