/*

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

 * project.

 */

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

 * Copyright (c) 2003 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 <stdio.h>

#include <openssl/asn1t.h>

#include <openssl/conf.h>

#include <openssl/err.h>

#include <openssl/obj.h>

#include <openssl/x509v3.h>

#include "internal.h"

static void *v2i_POLICY_MAPPINGS(const X509V3_EXT_METHOD *method,

                                 const X509V3_CTX *ctx,

                                 const STACK_OF(CONF_VALUE) *nval);

static STACK_OF(CONF_VALUE) *i2v_POLICY_MAPPINGS(

    const X509V3_EXT_METHOD *method, void *pmps, STACK_OF(CONF_VALUE) *extlist);

const X509V3_EXT_METHOD v3_policy_mappings = {

    NID_policy_mappings,

    0,

    ASN1_ITEM_ref(POLICY_MAPPINGS),

    0,

    0,

    0,

    0,

    0,

    0,

    i2v_POLICY_MAPPINGS,

    v2i_POLICY_MAPPINGS,

    0,

    0,

    NULL,

};

ASN1_SEQUENCE(POLICY_MAPPING) = {

    ASN1_SIMPLE(POLICY_MAPPING, issuerDomainPolicy, ASN1_OBJECT),

    ASN1_SIMPLE(POLICY_MAPPING, subjectDomainPolicy, ASN1_OBJECT),

} ASN1_SEQUENCE_END(POLICY_MAPPING)

ASN1_ITEM_TEMPLATE(POLICY_MAPPINGS) = ASN1_EX_TEMPLATE_TYPE(

    ASN1_TFLG_SEQUENCE_OF, 0, POLICY_MAPPINGS, POLICY_MAPPING)

ASN1_ITEM_TEMPLATE_END(POLICY_MAPPINGS)

IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_MAPPING)

static STACK_OF(CONF_VALUE) *i2v_POLICY_MAPPINGS(

    const X509V3_EXT_METHOD *method, void *a, STACK_OF(CONF_VALUE) *ext_list) {

  const POLICY_MAPPINGS *pmaps = a;

  for (size_t i = 0; i < sk_POLICY_MAPPING_num(pmaps); i++) {

    const POLICY_MAPPING *pmap = sk_POLICY_MAPPING_value(pmaps, i);

    char obj_tmp1[80], obj_tmp2[80];

    i2t_ASN1_OBJECT(obj_tmp1, 80, pmap->issuerDomainPolicy);

    i2t_ASN1_OBJECT(obj_tmp2, 80, pmap->subjectDomainPolicy);

    X509V3_add_value(obj_tmp1, obj_tmp2, &ext_list);

  }

  return ext_list;

}

static void *v2i_POLICY_MAPPINGS(const X509V3_EXT_METHOD *method,

                                 const X509V3_CTX *ctx,

                                 const STACK_OF(CONF_VALUE) *nval) {

  POLICY_MAPPINGS *pmaps = sk_POLICY_MAPPING_new_null();

  if (pmaps == NULL) {

    return NULL;

  }

  for (size_t i = 0; i < sk_CONF_VALUE_num(nval); i++) {

    const CONF_VALUE *val = sk_CONF_VALUE_value(nval, i);

    if (!val->value || !val->name) {

      OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_OBJECT_IDENTIFIER);

      X509V3_conf_err(val);

      goto err;

    }

    POLICY_MAPPING *pmap = POLICY_MAPPING_new();

    if (pmap == NULL || !sk_POLICY_MAPPING_push(pmaps, pmap)) {

      POLICY_MAPPING_free(pmap);

      goto err;

    }

    pmap->issuerDomainPolicy = OBJ_txt2obj(val->name, 0);

    pmap->subjectDomainPolicy = OBJ_txt2obj(val->value, 0);

    if (!pmap->issuerDomainPolicy || !pmap->subjectDomainPolicy) {

      OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_OBJECT_IDENTIFIER);

      X509V3_conf_err(val);

      goto err;

    }

  }

  return pmaps;

err:

  sk_POLICY_MAPPING_pop_free(pmaps, POLICY_MAPPING_free);

  return NULL;

}