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Annotation of embedaddon/ipsec-tools/src/racoon/dnssec.c, revision 1.1.1.1

1.1       misho       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: }