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      1 /* p12_utl.c */
      2 /* Written by Dr Stephen N Henson (steve (at) openssl.org) for the OpenSSL
      3  * project 1999.
      4  */
      5 /* ====================================================================
      6  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  *
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  *
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in
     17  *    the documentation and/or other materials provided with the
     18  *    distribution.
     19  *
     20  * 3. All advertising materials mentioning features or use of this
     21  *    software must display the following acknowledgment:
     22  *    "This product includes software developed by the OpenSSL Project
     23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
     24  *
     25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
     26  *    endorse or promote products derived from this software without
     27  *    prior written permission. For written permission, please contact
     28  *    licensing (at) OpenSSL.org.
     29  *
     30  * 5. Products derived from this software may not be called "OpenSSL"
     31  *    nor may "OpenSSL" appear in their names without prior written
     32  *    permission of the OpenSSL Project.
     33  *
     34  * 6. Redistributions of any form whatsoever must retain the following
     35  *    acknowledgment:
     36  *    "This product includes software developed by the OpenSSL Project
     37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
     38  *
     39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
     40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
     43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
     50  * OF THE POSSIBILITY OF SUCH DAMAGE.
     51  * ====================================================================
     52  *
     53  * This product includes cryptographic software written by Eric Young
     54  * (eay (at) cryptsoft.com).  This product includes software written by Tim
     55  * Hudson (tjh (at) cryptsoft.com).
     56  *
     57  */
     58 
     59 #include <stdio.h>
     60 #include "cryptlib.h"
     61 #include <openssl/pkcs12.h>
     62 
     63 /* Cheap and nasty Unicode stuff */
     64 
     65 unsigned char *OPENSSL_asc2uni(const char *asc, int asclen, unsigned char **uni, int *unilen)
     66 {
     67 	int ulen, i;
     68 	unsigned char *unitmp;
     69 	if (asclen == -1) asclen = strlen(asc);
     70 	ulen = asclen*2  + 2;
     71 	if (!(unitmp = OPENSSL_malloc(ulen))) return NULL;
     72 	for (i = 0; i < ulen - 2; i+=2) {
     73 		unitmp[i] = 0;
     74 		unitmp[i + 1] = asc[i>>1];
     75 	}
     76 	/* Make result double null terminated */
     77 	unitmp[ulen - 2] = 0;
     78 	unitmp[ulen - 1] = 0;
     79 	if (unilen) *unilen = ulen;
     80 	if (uni) *uni = unitmp;
     81 	return unitmp;
     82 }
     83 
     84 char *OPENSSL_uni2asc(unsigned char *uni, int unilen)
     85 {
     86 	int asclen, i;
     87 	char *asctmp;
     88 	asclen = unilen / 2;
     89 	/* If no terminating zero allow for one */
     90 	if (!unilen || uni[unilen - 1]) asclen++;
     91 	uni++;
     92 	if (!(asctmp = OPENSSL_malloc(asclen))) return NULL;
     93 	for (i = 0; i < unilen; i+=2) asctmp[i>>1] = uni[i];
     94 	asctmp[asclen - 1] = 0;
     95 	return asctmp;
     96 }
     97 
     98 int i2d_PKCS12_bio(BIO *bp, PKCS12 *p12)
     99 {
    100 	return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
    101 }
    102 
    103 #ifndef OPENSSL_NO_FP_API
    104 int i2d_PKCS12_fp(FILE *fp, PKCS12 *p12)
    105 {
    106 	return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
    107 }
    108 #endif
    109 
    110 PKCS12 *d2i_PKCS12_bio(BIO *bp, PKCS12 **p12)
    111 {
    112 	return ASN1_item_d2i_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
    113 }
    114 #ifndef OPENSSL_NO_FP_API
    115 PKCS12 *d2i_PKCS12_fp(FILE *fp, PKCS12 **p12)
    116 {
    117         return ASN1_item_d2i_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
    118 }
    119 #endif
    120 
    121 PKCS12_SAFEBAG *PKCS12_x5092certbag(X509 *x509)
    122 {
    123 	return PKCS12_item_pack_safebag(x509, ASN1_ITEM_rptr(X509),
    124 			NID_x509Certificate, NID_certBag);
    125 }
    126 
    127 PKCS12_SAFEBAG *PKCS12_x509crl2certbag(X509_CRL *crl)
    128 {
    129 	return PKCS12_item_pack_safebag(crl, ASN1_ITEM_rptr(X509_CRL),
    130 			NID_x509Crl, NID_crlBag);
    131 }
    132 
    133 X509 *PKCS12_certbag2x509(PKCS12_SAFEBAG *bag)
    134 {
    135 	if(M_PKCS12_bag_type(bag) != NID_certBag) return NULL;
    136 	if(M_PKCS12_cert_bag_type(bag) != NID_x509Certificate) return NULL;
    137 	return ASN1_item_unpack(bag->value.bag->value.octet, ASN1_ITEM_rptr(X509));
    138 }
    139 
    140 X509_CRL *PKCS12_certbag2x509crl(PKCS12_SAFEBAG *bag)
    141 {
    142 	if(M_PKCS12_bag_type(bag) != NID_crlBag) return NULL;
    143 	if(M_PKCS12_cert_bag_type(bag) != NID_x509Crl) return NULL;
    144 	return ASN1_item_unpack(bag->value.bag->value.octet,
    145 							ASN1_ITEM_rptr(X509_CRL));
    146 }
    147