xref: /openbsd/lib/libcrypto/ts/ts_lib.c (revision bb933e2f)
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 
74 int
TS_ASN1_INTEGER_print_bio(BIO * bio,const ASN1_INTEGER * num)75 TS_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 }
92 LCRYPTO_ALIAS(TS_ASN1_INTEGER_print_bio);
93 
94 int
TS_OBJ_print_bio(BIO * bio,const ASN1_OBJECT * obj)95 TS_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 }
106 LCRYPTO_ALIAS(TS_OBJ_print_bio);
107 
108 int
TS_ext_print_bio(BIO * bio,const STACK_OF (X509_EXTENSION)* extensions)109 TS_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 }
132 LCRYPTO_ALIAS(TS_ext_print_bio);
133 
134 int
TS_X509_ALGOR_print_bio(BIO * bio,const X509_ALGOR * alg)135 TS_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 }
142 LCRYPTO_ALIAS(TS_X509_ALGOR_print_bio);
143 
144 int
TS_MSG_IMPRINT_print_bio(BIO * bio,TS_MSG_IMPRINT * a)145 TS_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 }
158 LCRYPTO_ALIAS(TS_MSG_IMPRINT_print_bio);
159