openssl/crypto/ts/ts_lib.c

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/* crypto/ts/ts_lib.c */
/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
* project 2002.
*/
/* ====================================================================
* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/objects.h>
#include <openssl/bn.h>
#include <openssl/x509v3.h>
#include "ts.h"
/* Local function declarations. */
/* Function definitions. */
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int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num)
{
BIGNUM num_bn;
int result = 0;
char *hex;
BN_init(&num_bn);
ASN1_INTEGER_to_BN(num, &num_bn);
if ((hex = BN_bn2hex(&num_bn)))
{
result = BIO_write(bio, "0x", 2) > 0;
result = result && BIO_write(bio, hex, strlen(hex)) > 0;
OPENSSL_free(hex);
}
BN_free(&num_bn);
return result;
}
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int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj)
{
char obj_txt[128];
int len = OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0);
BIO_write(bio, obj_txt, len);
BIO_write(bio, "\n", 1);
return 1;
}
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int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions)
{
int i, critical, n;
X509_EXTENSION *ex;
ASN1_OBJECT *obj;
BIO_printf(bio, "Extensions:\n");
n = X509v3_get_ext_count(extensions);
for (i = 0; i < n; i++)
{
ex = X509v3_get_ext(extensions, i);
obj = X509_EXTENSION_get_object(ex);
i2a_ASN1_OBJECT(bio, obj);
critical = X509_EXTENSION_get_critical(ex);
BIO_printf(bio, ": %s\n", critical ? "critical" : "");
if (!X509V3_EXT_print(bio, ex, 0, 4))
{
BIO_printf(bio, "%4s", "");
M_ASN1_OCTET_STRING_print(bio, ex->value);
}
BIO_write(bio, "\n", 1);
}
return 1;
}
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int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg)
{
int i = OBJ_obj2nid(alg->algorithm);
return BIO_printf(bio, "Hash Algorithm: %s\n",
(i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i));
}
int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a)
{
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const ASN1_OCTET_STRING *msg;
TS_X509_ALGOR_print_bio(bio, TS_MSG_IMPRINT_get_algo(a));
BIO_printf(bio, "Message data:\n");
msg = TS_MSG_IMPRINT_get_msg(a);
BIO_dump_indent(bio, (const char *)M_ASN1_STRING_data(msg),
M_ASN1_STRING_length(msg), 4);
return 1;
}