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 "internal/cryptlib.h"
  62 #include <openssl/objects.h>
  63 #include <openssl/bn.h>
  64 #include <openssl/x509.h>
  65 #include <openssl/x509v3.h>
  66 #include <openssl/ts.h>
  67
  68 /* Local function declarations. */
  69
  70 /* Function definitions. */
  71
  72 int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num)
  73 {
  74     BIGNUM *num_bn;
  75     int result = 0;
  76     char *hex;
  77
  78     num_bn = BN_new();
  79     if (!num_bn)
  80         return -1;
  81     ASN1_INTEGER_to_BN(num, num_bn);
  82     if ((hex = BN_bn2hex(num_bn))) {
  83         result = BIO_write(bio, "0x", 2) > 0;
  84         result = result && BIO_write(bio, hex, strlen(hex)) > 0;
  85         OPENSSL_free(hex);
  86     }
  87     BN_free(num_bn);
  88
  89     return result;
  90 }
  91
  92 int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj)
  93 {
  94     char obj_txt[128];
  95
  96     int len = OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0);
  97     BIO_write(bio, obj_txt, len);
  98     BIO_write(bio, "\n", 1);
  99
 100     return 1;
 101 }
 102
 103 int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions)
 104 {
 105     int i, critical, n;
 106     X509_EXTENSION *ex;
 107     ASN1_OBJECT *obj;
 108
 109     BIO_printf(bio, "Extensions:\n");
 110     n = X509v3_get_ext_count(extensions);
 111     for (i = 0; i < n; i++) {
 112         ex = X509v3_get_ext(extensions, i);
 113         obj = X509_EXTENSION_get_object(ex);
 114         i2a_ASN1_OBJECT(bio, obj);
 115         critical = X509_EXTENSION_get_critical(ex);
 116         BIO_printf(bio, ": %s\n", critical ? "critical" : "");
 117         if (!X509V3_EXT_print(bio, ex, 0, 4)) {
 118             BIO_printf(bio, "%4s", "");
 119             ASN1_STRING_print(bio, X509_EXTENSION_get_data(ex));
 120         }
 121         BIO_write(bio, "\n", 1);
 122     }
 123
 124     return 1;
 125 }
 126
 127 int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg)
 128 {
 129     int i = OBJ_obj2nid(alg->algorithm);
 130     return BIO_printf(bio, "Hash Algorithm: %s\n",
 131                       (i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i));
 132 }
 133
 134 int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a)
 135 {
 136     ASN1_OCTET_STRING *msg;
 137
 138     TS_X509_ALGOR_print_bio(bio, TS_MSG_IMPRINT_get_algo(a));
 139
 140     BIO_printf(bio, "Message data:\n");
 141     msg = TS_MSG_IMPRINT_get_msg(a);
 142     BIO_dump_indent(bio, (const char *)ASN1_STRING_data(msg),
 143                     ASN1_STRING_length(msg), 4);
 144
 145     return 1;
 146 }