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v3_pmaps.c

/* v3_pmaps.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 "cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/conf.h>
#include <openssl/x509v3.h>

static void *v2i_POLICY_MAPPINGS(X509V3_EXT_METHOD *method,
                        X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
static STACK_OF(CONF_VALUE) *i2v_POLICY_MAPPINGS(X509V3_EXT_METHOD *method,
                        void *pmps, STACK_OF(CONF_VALUE) *extlist);

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(X509V3_EXT_METHOD *method,
            void *a, STACK_OF(CONF_VALUE) *ext_list)
{
      POLICY_MAPPINGS *pmaps = a;
      POLICY_MAPPING *pmap;
      int i;
      char obj_tmp1[80];
      char obj_tmp2[80];
      for(i = 0; i < sk_POLICY_MAPPING_num(pmaps); i++) {
            pmap = sk_POLICY_MAPPING_value(pmaps, i);
            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(X509V3_EXT_METHOD *method,
                        X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
{
      POLICY_MAPPINGS *pmaps;
      POLICY_MAPPING *pmap;
      ASN1_OBJECT *obj1, *obj2;
      CONF_VALUE *val;
      int i;

      if(!(pmaps = sk_POLICY_MAPPING_new_null())) {
            X509V3err(X509V3_F_V2I_POLICY_MAPPINGS,ERR_R_MALLOC_FAILURE);
            return NULL;
      }

      for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
            val = sk_CONF_VALUE_value(nval, i);
            if(!val->value || !val->name) {
                  sk_POLICY_MAPPING_pop_free(pmaps, POLICY_MAPPING_free);
                  X509V3err(X509V3_F_V2I_POLICY_MAPPINGS,X509V3_R_INVALID_OBJECT_IDENTIFIER);
                  X509V3_conf_err(val);
                  return NULL;
            }
            obj1 = OBJ_txt2obj(val->name, 0);
            obj2 = OBJ_txt2obj(val->value, 0);
            if(!obj1 || !obj2) {
                  sk_POLICY_MAPPING_pop_free(pmaps, POLICY_MAPPING_free);
                  X509V3err(X509V3_F_V2I_POLICY_MAPPINGS,X509V3_R_INVALID_OBJECT_IDENTIFIER);
                  X509V3_conf_err(val);
                  return NULL;
            }
            pmap = POLICY_MAPPING_new();
            if (!pmap) {
                  sk_POLICY_MAPPING_pop_free(pmaps, POLICY_MAPPING_free);
                  X509V3err(X509V3_F_V2I_POLICY_MAPPINGS,ERR_R_MALLOC_FAILURE);
                  return NULL;
            }
            pmap->issuerDomainPolicy = obj1;
            pmap->subjectDomainPolicy = obj2;
            sk_POLICY_MAPPING_push(pmaps, pmap);
      }
      return pmaps;
}

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