crypto/openssl/crypto/pkcs12/p12_utl.c

   1 /* p12_utl.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   4  * 1999.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in
  18  *    the documentation and/or other materials provided with the
  19  *    distribution.
  20  *
  21  * 3. All advertising materials mentioning features or use of this
  22  *    software must display the following acknowledgment:
  23  *    "This product includes software developed by the OpenSSL Project
  24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  25  *
  26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  27  *    endorse or promote products derived from this software without
  28  *    prior written permission. For written permission, please contact
  29  *    licensing@OpenSSL.org.
  30  *
  31  * 5. Products derived from this software may not be called "OpenSSL"
  32  *    nor may "OpenSSL" appear in their names without prior written
  33  *    permission of the OpenSSL Project.
  34  *
  35  * 6. Redistributions of any form whatsoever must retain the following
  36  *    acknowledgment:
  37  *    "This product includes software developed by the OpenSSL Project
  38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  51  * OF THE POSSIBILITY OF SUCH DAMAGE.
  52  * ====================================================================
  53  *
  54  * This product includes cryptographic software written by Eric Young
  55  * (eay@cryptsoft.com).  This product includes software written by Tim
  56  * Hudson (tjh@cryptsoft.com).
  57  *
  58  */
  59
  60 #include <stdio.h>
  61 #include "cryptlib.h"
  62 #include <openssl/pkcs12.h>
  63
  64 /* Cheap and nasty Unicode stuff */
  65
  66 unsigned char *OPENSSL_asc2uni(const char *asc, int asclen,
  67                                unsigned char **uni, int *unilen)
  68 {
  69     int ulen, i;
  70     unsigned char *unitmp;
  71     if (asclen == -1)
  72         asclen = strlen(asc);
  73     ulen = asclen * 2 + 2;
  74     if (!(unitmp = OPENSSL_malloc(ulen)))
  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     asclen = unilen / 2;
  95     /* If no terminating zero allow for one */
  96     if (!unilen || uni[unilen - 1])
  97         asclen++;
  98     uni++;
  99     if (!(asctmp = OPENSSL_malloc(asclen)))
 100         return NULL;
 101     for (i = 0; i < unilen; i += 2)
 102         asctmp[i >> 1] = uni[i];
 103     asctmp[asclen - 1] = 0;
 104     return asctmp;
 105 }
 106
 107 int i2d_PKCS12_bio(BIO *bp, PKCS12 *p12)
 108 {
 109     return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
 110 }
 111
 112 #ifndef OPENSSL_NO_FP_API
 113 int i2d_PKCS12_fp(FILE *fp, PKCS12 *p12)
 114 {
 115     return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
 116 }
 117 #endif
 118
 119 PKCS12 *d2i_PKCS12_bio(BIO *bp, PKCS12 **p12)
 120 {
 121     return ASN1_item_d2i_bio(ASN1_ITEM_rptr(PKCS12), bp, p12);
 122 }
 123
 124 #ifndef OPENSSL_NO_FP_API
 125 PKCS12 *d2i_PKCS12_fp(FILE *fp, PKCS12 **p12)
 126 {
 127     return ASN1_item_d2i_fp(ASN1_ITEM_rptr(PKCS12), fp, p12);
 128 }
 129 #endif
 130
 131 PKCS12_SAFEBAG *PKCS12_x5092certbag(X509 *x509)
 132 {
 133     return PKCS12_item_pack_safebag(x509, ASN1_ITEM_rptr(X509),
 134                                     NID_x509Certificate, NID_certBag);
 135 }
 136
 137 PKCS12_SAFEBAG *PKCS12_x509crl2certbag(X509_CRL *crl)
 138 {
 139     return PKCS12_item_pack_safebag(crl, ASN1_ITEM_rptr(X509_CRL),
 140                                     NID_x509Crl, NID_crlBag);
 141 }
 142
 143 X509 *PKCS12_certbag2x509(PKCS12_SAFEBAG *bag)
 144 {
 145     if (M_PKCS12_bag_type(bag) != NID_certBag)
 146         return NULL;
 147     if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate)
 148         return NULL;
 149     return ASN1_item_unpack(bag->value.bag->value.octet,
 150                             ASN1_ITEM_rptr(X509));
 151 }
 152
 153 X509_CRL *PKCS12_certbag2x509crl(PKCS12_SAFEBAG *bag)
 154 {
 155     if (M_PKCS12_bag_type(bag) != NID_crlBag)
 156         return NULL;
 157     if (M_PKCS12_cert_bag_type(bag) != NID_x509Crl)
 158         return NULL;
 159     return ASN1_item_unpack(bag->value.bag->value.octet,
 160                             ASN1_ITEM_rptr(X509_CRL));
 161 }