crypto/ts/ts_lib.c

   1 /* crypto/ts/ts_lib.c */
   2 /*
   3  * Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL project
   4  * 2002.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 2006 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/objects.h>
  63 #include <openssl/bn.h>
  64 #include <openssl/x509v3.h>
  65 #include <openssl/ts.h>
  66
  67 /* Local function declarations. */
  68
  69 /* Function definitions. */
  70
  71 int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num)
  72 {
  73     BIGNUM *num_bn;
  74     int result = 0;
  75     char *hex;
  76
  77     num_bn = BN_new();
  78     if (!num_bn)
  79         return -1;
  80     ASN1_INTEGER_to_BN(num, num_bn);
  81     if ((hex = BN_bn2hex(num_bn))) {
  82         result = BIO_write(bio, "0x", 2) > 0;
  83         result = result && BIO_write(bio, hex, strlen(hex)) > 0;
  84         OPENSSL_free(hex);
  85     }
  86     BN_free(num_bn);
  87
  88     return result;
  89 }
  90
  91 int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj)
  92 {
  93     char obj_txt[128];
  94
  95     int len = OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0);
  96     BIO_write(bio, obj_txt, len);
  97     BIO_write(bio, "\n", 1);
  98
  99     return 1;
 100 }
 101
 102 int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions)
 103 {
 104     int i, critical, n;
 105     X509_EXTENSION *ex;
 106     ASN1_OBJECT *obj;
 107
 108     BIO_printf(bio, "Extensions:\n");
 109     n = X509v3_get_ext_count(extensions);
 110     for (i = 0; i < n; i++) {
 111         ex = X509v3_get_ext(extensions, i);
 112         obj = X509_EXTENSION_get_object(ex);
 113         i2a_ASN1_OBJECT(bio, obj);
 114         critical = X509_EXTENSION_get_critical(ex);
 115         BIO_printf(bio, ": %s\n", critical ? "critical" : "");
 116         if (!X509V3_EXT_print(bio, ex, 0, 4)) {
 117             BIO_printf(bio, "%4s", "");
 118             ASN1_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     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 *)ASN1_STRING_data(msg),
 142                     ASN1_STRING_length(msg), 4);
 143
 144     return 1;
 145 }