1 /* $OpenBSD: ts_lib.c,v 1.12 2021/12/04 16:08:32 tb 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_lcl.h"
68 #include "x509_lcl.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
93 int
TS_OBJ_print_bio(BIO * bio,const ASN1_OBJECT * obj)94 TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj)
95 {
96 char obj_txt[128];
97
98 int len = OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0);
99 if (len >= sizeof(obj_txt))
100 len = sizeof(obj_txt) - 1;
101 BIO_write(bio, obj_txt, len);
102 BIO_write(bio, "\n", 1);
103 return 1;
104 }
105
106 int
TS_ext_print_bio(BIO * bio,const STACK_OF (X509_EXTENSION)* extensions)107 TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions)
108 {
109 int i, critical, n;
110 X509_EXTENSION *ex;
111 ASN1_OBJECT *obj;
112
113 BIO_printf(bio, "Extensions:\n");
114 n = X509v3_get_ext_count(extensions);
115 for (i = 0; i < n; i++) {
116 ex = X509v3_get_ext(extensions, i);
117 obj = X509_EXTENSION_get_object(ex);
118 i2a_ASN1_OBJECT(bio, obj);
119 critical = X509_EXTENSION_get_critical(ex);
120 BIO_printf(bio, ": %s\n", critical ? "critical" : "");
121 if (!X509V3_EXT_print(bio, ex, 0, 4)) {
122 BIO_printf(bio, "%4s", "");
123 ASN1_STRING_print(bio, ex->value);
124 }
125 BIO_write(bio, "\n", 1);
126 }
127
128 return 1;
129 }
130
131 int
TS_X509_ALGOR_print_bio(BIO * bio,const X509_ALGOR * alg)132 TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg)
133 {
134 int i = OBJ_obj2nid(alg->algorithm);
135
136 return BIO_printf(bio, "Hash Algorithm: %s\n",
137 (i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i));
138 }
139
140 int
TS_MSG_IMPRINT_print_bio(BIO * bio,TS_MSG_IMPRINT * a)141 TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a)
142 {
143 ASN1_OCTET_STRING *msg;
144
145 TS_X509_ALGOR_print_bio(bio, TS_MSG_IMPRINT_get_algo(a));
146
147 BIO_printf(bio, "Message data:\n");
148 msg = TS_MSG_IMPRINT_get_msg(a);
149 BIO_dump_indent(bio, (const char *)ASN1_STRING_data(msg),
150 ASN1_STRING_length(msg), 4);
151
152 return 1;
153 }
154