/* pcy_map.c */

/*

 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project

 * 2004.

 */

/* ====================================================================

 * Copyright (c) 2004 The OpenSSL 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. All advertising materials mentioning features or use of this

 *    software must display the following acknowledgment:

 *    "This product includes software developed by the OpenSSL Project

 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"

 *

 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to

 *    endorse or promote products derived from this software without

 *    prior written permission. For written permission, please contact

 *    licensing@OpenSSL.org.

 *

 * 5. Products derived from this software may not be called "OpenSSL"

 *    nor may "OpenSSL" appear in their names without prior written

 *    permission of the OpenSSL Project.

 *

 * 6. Redistributions of any form whatsoever must retain the following

 *    acknowledgment:

 *    "This product includes software developed by the OpenSSL Project

 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"

 *

 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY

 * EXPRESSED 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 OpenSSL PROJECT OR

 * ITS 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.

 * ====================================================================

 *

 * This product includes cryptographic software written by Eric Young

 * (eay@cryptsoft.com).  This product includes software written by Tim

 * Hudson (tjh@cryptsoft.com).

 *

 */

#include "cryptlib.h"

#include <openssl/x509.h>

#include <openssl/x509v3.h>

#include "pcy_int.h"

/*

 * Set policy mapping entries in cache. Note: this modifies the passed

 * POLICY_MAPPINGS structure

 */

int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)

{

    POLICY_MAPPING *map;

    X509_POLICY_DATA *data;

    X509_POLICY_CACHE *cache = x->policy_cache;

    int i;

    int ret = 0;

    if (sk_POLICY_MAPPING_num(maps) == 0) {

        ret = -1;

        goto bad_mapping;

    }

    for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) {

        map = sk_POLICY_MAPPING_value(maps, i);

        /* Reject if map to or from anyPolicy */

        if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy)

            || (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) {

            ret = -1;

            goto bad_mapping;

        }

        /* Attempt to find matching policy data */

        data = policy_cache_find_data(cache, map->issuerDomainPolicy);

        /* If we don't have anyPolicy can't map */

        if (!data && !cache->anyPolicy)

            continue;

        /* Create a NODE from anyPolicy */

        if (!data) {

            data = policy_data_new(NULL, map->issuerDomainPolicy,

                                   cache->anyPolicy->flags

                                   & POLICY_DATA_FLAG_CRITICAL);

            if (!data)

                goto bad_mapping;

            data->qualifier_set = cache->anyPolicy->qualifier_set;

            /*

             * map->issuerDomainPolicy = NULL;

             */

            data->flags |= POLICY_DATA_FLAG_MAPPED_ANY;

            data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;

            if (!sk_X509_POLICY_DATA_push(cache->data, data)) {

                policy_data_free(data);

                goto bad_mapping;

            }

        } else

            data->flags |= POLICY_DATA_FLAG_MAPPED;

        if (!sk_ASN1_OBJECT_push(data->expected_policy_set,

                                 map->subjectDomainPolicy))

            goto bad_mapping;

        map->subjectDomainPolicy = NULL;

    }

    ret = 1;

 bad_mapping:

    if (ret == -1)

        x->ex_flags |= EXFLAG_INVALID_POLICY;

    sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);

    return ret;

}