crypto/pkcs12/p12_utl.c

   1 /*
   2  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   3  * 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 "internal/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,
  66                                unsigned char **uni, int *unilen)
  67 {
  68     int ulen, i;
  69     unsigned char *unitmp;
  70
  71     if (asclen == -1)
  72         asclen = strlen(asc);
  73     ulen = asclen * 2 + 2;
  74     if ((unitmp = OPENSSL_malloc(ulen)) == NULL)
  75         return NULL;
  76     for (i = 0; i < ulen - 2; i += 2) {
  77         unitmp[i] = 0;
  78         unitmp[i + 1] = asc[i >> 1];
  79     }
  80     /* Make result double null terminated */
  81     unitmp[ulen - 2] = 0;
  82     unitmp[ulen - 1] = 0;
  83     if (unilen)
  84         *unilen = ulen;
  85     if (uni)
  86         *uni = unitmp;
  87     return unitmp;
  88 }
  89
  90 char *OPENSSL_uni2asc(unsigned char *uni, int unilen)
  91 {
  92     int asclen, i;
  93     char *asctmp;
  94
  95     asclen = unilen / 2;
  96     /* If no terminating zero allow for one */
  97     if (!unilen || uni[unilen - 1])
  98         asclen++;
  99     uni++;
 100     if ((asctmp = OPENSSL_malloc(asclen)) == NULL)
 101         return NULL;
 102     for (i = 0; i < unilen; i += 2)
 103         asctmp[i >> 1] = uni[i];
 104     asctmp[asclen - 1] = 0;
 105     return asctmp;
 106 }
 107
 108 int i2d_PKCS12_bio(BIO *bp, PKCS12 *p12)
 109 {
 110     return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
 111 }
 112
 113 #ifndef OPENSSL_NO_STDIO
 114 int i2d_PKCS12_fp(FILE *fp, PKCS12 *p12)
 115 {
 116     return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
 117 }
 118 #endif
 119
 120 PKCS12 *d2i_PKCS12_bio(BIO *bp, PKCS12 **p12)
 121 {
 122     return ASN1_item_d2i_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
 123 }
 124
 125 #ifndef OPENSSL_NO_STDIO
 126 PKCS12 *d2i_PKCS12_fp(FILE *fp, PKCS12 **p12)
 127 {
 128     return ASN1_item_d2i_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
 129 }
 130 #endif
 131
 132 PKCS12_SAFEBAG *PKCS12_x5092certbag(X509 *x509)
 133 {
 134     return PKCS12_item_pack_safebag(x509, ASN1_ITEM_rptr(X509),
 135                                     NID_x509Certificate, NID_certBag);
 136 }
 137
 138 PKCS12_SAFEBAG *PKCS12_x509crl2certbag(X509_CRL *crl)
 139 {
 140     return PKCS12_item_pack_safebag(crl, ASN1_ITEM_rptr(X509_CRL),
 141                                     NID_x509Crl, NID_crlBag);
 142 }
 143
 144 X509 *PKCS12_certbag2x509(PKCS12_SAFEBAG *bag)
 145 {
 146     if (M_PKCS12_bag_type(bag) != NID_certBag)
 147         return NULL;
 148     if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate)
 149         return NULL;
 150     return ASN1_item_unpack(bag->value.bag->value.octet,
 151                             ASN1_ITEM_rptr(X509));
 152 }
 153
 154 X509_CRL *PKCS12_certbag2x509crl(PKCS12_SAFEBAG *bag)
 155 {
 156     if (M_PKCS12_bag_type(bag) != NID_crlBag)
 157         return NULL;
 158     if (M_PKCS12_cert_bag_type(bag) != NID_x509Crl)
 159         return NULL;
 160     return ASN1_item_unpack(bag->value.bag->value.octet,
 161                             ASN1_ITEM_rptr(X509_CRL));
 162 }