1/* $OpenBSD: ts_lib.c,v 1.14 2023/07/07 07:25:21 beck Exp $ */
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 <string.h>
61
62#include <openssl/bn.h>
63#include <openssl/objects.h>
64#include <openssl/ts.h>
65#include <openssl/x509v3.h>
66
67#include "bn_local.h"
68#include "x509_local.h"
69
70/* Local function declarations. */
71
72/* Function definitions. */
73
74int
75TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num)
76{
77	BIGNUM num_bn;
78	int result = 0;
79	char *hex;
80
81	BN_init(&num_bn);
82	ASN1_INTEGER_to_BN(num, &num_bn);
83	if ((hex = BN_bn2hex(&num_bn))) {
84		result = BIO_write(bio, "0x", 2) > 0;
85		result = result && BIO_write(bio, hex, strlen(hex)) > 0;
86		free(hex);
87	}
88	BN_free(&num_bn);
89
90	return result;
91}
92LCRYPTO_ALIAS(TS_ASN1_INTEGER_print_bio);
93
94int
95TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj)
96{
97	char obj_txt[128];
98
99	int len = OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0);
100	if (len >= sizeof(obj_txt))
101		len = sizeof(obj_txt) - 1;
102	BIO_write(bio, obj_txt, len);
103	BIO_write(bio, "\n", 1);
104	return 1;
105}
106LCRYPTO_ALIAS(TS_OBJ_print_bio);
107
108int
109TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions)
110{
111	int i, critical, n;
112	X509_EXTENSION *ex;
113	ASN1_OBJECT *obj;
114
115	BIO_printf(bio, "Extensions:\n");
116	n = X509v3_get_ext_count(extensions);
117	for (i = 0; i < n; i++) {
118		ex = X509v3_get_ext(extensions, i);
119		obj = X509_EXTENSION_get_object(ex);
120		i2a_ASN1_OBJECT(bio, obj);
121		critical = X509_EXTENSION_get_critical(ex);
122		BIO_printf(bio, ": %s\n", critical ? "critical" : "");
123		if (!X509V3_EXT_print(bio, ex, 0, 4)) {
124			BIO_printf(bio, "%4s", "");
125			ASN1_STRING_print(bio, ex->value);
126		}
127		BIO_write(bio, "\n", 1);
128	}
129
130	return 1;
131}
132LCRYPTO_ALIAS(TS_ext_print_bio);
133
134int
135TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg)
136{
137	int i = OBJ_obj2nid(alg->algorithm);
138
139	return BIO_printf(bio, "Hash Algorithm: %s\n",
140	    (i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i));
141}
142LCRYPTO_ALIAS(TS_X509_ALGOR_print_bio);
143
144int
145TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a)
146{
147	ASN1_OCTET_STRING *msg;
148
149	TS_X509_ALGOR_print_bio(bio, TS_MSG_IMPRINT_get_algo(a));
150
151	BIO_printf(bio, "Message data:\n");
152	msg = TS_MSG_IMPRINT_get_msg(a);
153	BIO_dump_indent(bio, (const char *)ASN1_STRING_data(msg),
154	    ASN1_STRING_length(msg), 4);
155
156	return 1;
157}
158LCRYPTO_ALIAS(TS_MSG_IMPRINT_print_bio);
159