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v3_bitst.c

/* v3_bitst.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
 * project 1999.
 */
/* ====================================================================
 * Copyright (c) 1999 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/conf.h>
#include <openssl/x509v3.h>

static BIT_STRING_BITNAME ns_cert_type_table[] = {
{0, "SSL Client", "client"},
{1, "SSL Server", "server"},
{2, "S/MIME", "email"},
{3, "Object Signing", "objsign"},
{4, "Unused", "reserved"},
{5, "SSL CA", "sslCA"},
{6, "S/MIME CA", "emailCA"},
{7, "Object Signing CA", "objCA"},
{-1, NULL, NULL}
};

static BIT_STRING_BITNAME key_usage_type_table[] = {
{0, "Digital Signature", "digitalSignature"},
{1, "Non Repudiation", "nonRepudiation"},
{2, "Key Encipherment", "keyEncipherment"},
{3, "Data Encipherment", "dataEncipherment"},
{4, "Key Agreement", "keyAgreement"},
{5, "Certificate Sign", "keyCertSign"},
{6, "CRL Sign", "cRLSign"},
{7, "Encipher Only", "encipherOnly"},
{8, "Decipher Only", "decipherOnly"},
{-1, NULL, NULL}
};



const X509V3_EXT_METHOD v3_nscert = EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table);
const X509V3_EXT_METHOD v3_key_usage = EXT_BITSTRING(NID_key_usage, key_usage_type_table);

STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
           ASN1_BIT_STRING *bits, STACK_OF(CONF_VALUE) *ret)
{
      BIT_STRING_BITNAME *bnam;
      for(bnam =method->usr_data; bnam->lname; bnam++) {
            if(ASN1_BIT_STRING_get_bit(bits, bnam->bitnum)) 
                  X509V3_add_value(bnam->lname, NULL, &ret);
      }
      return ret;
}
      
ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
           X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
{
      CONF_VALUE *val;
      ASN1_BIT_STRING *bs;
      int i;
      BIT_STRING_BITNAME *bnam;
      if(!(bs = M_ASN1_BIT_STRING_new())) {
            X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,ERR_R_MALLOC_FAILURE);
            return NULL;
      }
      for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
            val = sk_CONF_VALUE_value(nval, i);
            for(bnam = method->usr_data; bnam->lname; bnam++) {
                  if(!strcmp(bnam->sname, val->name) ||
                        !strcmp(bnam->lname, val->name) ) {
                        if(!ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1)) {
                              X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,
                                    ERR_R_MALLOC_FAILURE);
                              M_ASN1_BIT_STRING_free(bs);
                              return NULL;
                        }
                        break;
                  }
            }
            if(!bnam->lname) {
                  X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,
                              X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT);
                  X509V3_conf_err(val);
                  M_ASN1_BIT_STRING_free(bs);
                  return NULL;
            }
      }
      return bs;
}
      


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