ssl/libcrypto/src/crypto/pkcs12/p12_utl.c
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     1 /* p12_utl.c */
       
     2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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@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@cryptsoft.com).  This product includes software written by Tim
       
    55  * Hudson (tjh@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 EXPORT_C unsigned char *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 EXPORT_C char *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 EXPORT_C 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 EXPORT_C 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 EXPORT_C 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 EXPORT_C 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 EXPORT_C 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 EXPORT_C 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 EXPORT_C 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 EXPORT_C 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 }