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p12_utl.c
/* p12_utl.c */
/* Written by Dr Stephen N Henson (steve@openssl.org) 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/pkcs12.h>

/* Cheap and nasty Unicode stuff */

unsigned char *OPENSSL_asc2uni(const char *asc, int asclen, unsigned char **uni, int *unilen)
{
      int ulen, i;
      unsigned char *unitmp;
      if (asclen == -1) asclen = strlen(asc);
      ulen = asclen*2  + 2;
      if (!(unitmp = OPENSSL_malloc(ulen))) return NULL;
      for (i = 0; i < ulen - 2; i+=2) {
            unitmp[i] = 0;
            unitmp[i + 1] = asc[i>>1];
      }
      /* Make result double null terminated */
      unitmp[ulen - 2] = 0;
      unitmp[ulen - 1] = 0;
      if (unilen) *unilen = ulen;
      if (uni) *uni = unitmp;
      return unitmp;
}

char *OPENSSL_uni2asc(unsigned char *uni, int unilen)
{
      int asclen, i;
      char *asctmp;
      asclen = unilen / 2;
      /* If no terminating zero allow for one */
      if (!unilen || uni[unilen - 1]) asclen++;
      uni++;
      if (!(asctmp = OPENSSL_malloc(asclen))) return NULL;
      for (i = 0; i < unilen; i+=2) asctmp[i>>1] = uni[i];
      asctmp[asclen - 1] = 0;
      return asctmp;
}

int i2d_PKCS12_bio(BIO *bp, PKCS12 *p12)
{
      return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
}

#ifndef OPENSSL_NO_FP_API
int i2d_PKCS12_fp(FILE *fp, PKCS12 *p12)
{
      return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
}
#endif

PKCS12 *d2i_PKCS12_bio(BIO *bp, PKCS12 **p12)
{
      return ASN1_item_d2i_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
}
#ifndef OPENSSL_NO_FP_API
PKCS12 *d2i_PKCS12_fp(FILE *fp, PKCS12 **p12)
{
        return ASN1_item_d2i_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
}
#endif

PKCS12_SAFEBAG *PKCS12_x5092certbag(X509 *x509)
{
      return PKCS12_item_pack_safebag(x509, ASN1_ITEM_rptr(X509),
                  NID_x509Certificate, NID_certBag);
}

PKCS12_SAFEBAG *PKCS12_x509crl2certbag(X509_CRL *crl)
{
      return PKCS12_item_pack_safebag(crl, ASN1_ITEM_rptr(X509_CRL),
                  NID_x509Crl, NID_crlBag);
}

X509 *PKCS12_certbag2x509(PKCS12_SAFEBAG *bag)
{
      if(M_PKCS12_bag_type(bag) != NID_certBag) return NULL;
      if(M_PKCS12_cert_bag_type(bag) != NID_x509Certificate) return NULL;
      return ASN1_item_unpack(bag->value.bag->value.octet, ASN1_ITEM_rptr(X509));
}

X509_CRL *PKCS12_certbag2x509crl(PKCS12_SAFEBAG *bag)
{
      if(M_PKCS12_bag_type(bag) != NID_crlBag) return NULL;
      if(M_PKCS12_cert_bag_type(bag) != NID_x509Crl) return NULL;
      return ASN1_item_unpack(bag->value.bag->value.octet,
                                          ASN1_ITEM_rptr(X509_CRL));
}

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