1 /* crypto/ts/ts_lib.c */
   2 /* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
   3  * project 2002.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2006 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/objects.h>
  62 #include <openssl/bn.h>
  63 #include <openssl/x509v3.h>
  64 #include <openssl/ts.h>
  65 
  66 /* Local function declarations. */
  67 
  68 /* Function definitions. */
  69 
  70 int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num)
  71         {
  72         BIGNUM num_bn;
  73         int result = 0;
  74         char *hex;
  75 
  76         BN_init(&num_bn);
  77         ASN1_INTEGER_to_BN(num, &num_bn);
  78         if ((hex = BN_bn2hex(&num_bn)))
  79                 {
  80                 result = BIO_write(bio, "0x", 2) > 0;
  81                 result = result && BIO_write(bio, hex, strlen(hex)) > 0;
  82                 OPENSSL_free(hex);
  83                 }
  84         BN_free(&num_bn);
  85 
  86         return result;
  87         }
  88 
  89 int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj)
  90         {
  91         char obj_txt[128];
  92 
  93         int len = OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0);
  94         BIO_write(bio, obj_txt, len);
  95         BIO_write(bio, "\n", 1);
  96 
  97         return 1;
  98         }
  99 
 100 int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions)
 101         {
 102         int i, critical, n;
 103         X509_EXTENSION *ex;
 104         ASN1_OBJECT *obj;
 105 
 106         BIO_printf(bio, "Extensions:\n");
 107         n = X509v3_get_ext_count(extensions);
 108         for (i = 0; i < n; i++)
 109                 {
 110                 ex = X509v3_get_ext(extensions, i);
 111                 obj = X509_EXTENSION_get_object(ex);
 112                 i2a_ASN1_OBJECT(bio, obj);
 113                 critical = X509_EXTENSION_get_critical(ex);
 114                 BIO_printf(bio, ": %s\n", critical ? "critical" : "");
 115                 if (!X509V3_EXT_print(bio, ex, 0, 4))
 116                         {
 117                         BIO_printf(bio, "%4s", "");
 118                         M_ASN1_OCTET_STRING_print(bio, ex->value);
 119                         }
 120                 BIO_write(bio, "\n", 1);
 121                 }
 122 
 123         return 1;
 124         }
 125 
 126 int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg)
 127         {
 128         int i = OBJ_obj2nid(alg->algorithm);
 129         return BIO_printf(bio, "Hash Algorithm: %s\n",
 130                 (i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i));
 131         }
 132 
 133 int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a)
 134         {
 135         const ASN1_OCTET_STRING *msg;
 136 
 137         TS_X509_ALGOR_print_bio(bio, TS_MSG_IMPRINT_get_algo(a));
 138 
 139         BIO_printf(bio, "Message data:\n");
 140         msg = TS_MSG_IMPRINT_get_msg(a);
 141         BIO_dump_indent(bio, (const char *)M_ASN1_STRING_data(msg),
 142                         M_ASN1_STRING_length(msg), 4);
 143 
 144         return 1;
 145         }