/* p12_utl.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/pkcs12.h>

/* Cheap and nasty Unicode stuff */

EXPORT_C unsigned char *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;

}

EXPORT_C char *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;

}

EXPORT_C int i2d_PKCS12_bio(BIO *bp, PKCS12 *p12)

{

	return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);

}

#ifndef OPENSSL_NO_FP_API

EXPORT_C int i2d_PKCS12_fp(FILE *fp, PKCS12 *p12)

{

	return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);

}

#endif

EXPORT_C PKCS12 *d2i_PKCS12_bio(BIO *bp, PKCS12 **p12)

{

	return ASN1_item_d2i_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);

}

#ifndef OPENSSL_NO_FP_API

EXPORT_C PKCS12 *d2i_PKCS12_fp(FILE *fp, PKCS12 **p12)

{

        return ASN1_item_d2i_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);

}

#endif

EXPORT_C PKCS12_SAFEBAG *PKCS12_x5092certbag(X509 *x509)

{

	return PKCS12_item_pack_safebag(x509, ASN1_ITEM_rptr(X509),

			NID_x509Certificate, NID_certBag);

}

EXPORT_C PKCS12_SAFEBAG *PKCS12_x509crl2certbag(X509_CRL *crl)

{

	return PKCS12_item_pack_safebag(crl, ASN1_ITEM_rptr(X509_CRL),

			NID_x509Crl, NID_crlBag);

}

EXPORT_C 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));

}

EXPORT_C 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));

}