xref: /freebsd/crypto/openssl/crypto/ts/ts_lib.c (revision 8d20be1e22095c27faf8fe8b2f0d089739cc742e)
1 /* crypto/ts/ts_lib.c */
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 "cryptlib.h"
61 #include <openssl/objects.h>
62 #include <openssl/bn.h>
63 #include <openssl/x509v3.h>
64 #include "ts.h"
65 
66 /* Local function declarations. */
67 
68 /* Function definitions. */
69 
70 int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num)
71 	{
72 	BIGNUM num_bn;
73 	int result = 0;
74 	char *hex;
75 
76 	BN_init(&num_bn);
77 	ASN1_INTEGER_to_BN(num, &num_bn);
78 	if ((hex = BN_bn2hex(&num_bn)))
79 		{
80 		result = BIO_write(bio, "0x", 2) > 0;
81 		result = result && BIO_write(bio, hex, strlen(hex)) > 0;
82 		OPENSSL_free(hex);
83 		}
84 	BN_free(&num_bn);
85 
86 	return result;
87 	}
88 
89 int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj)
90 	{
91 	char obj_txt[128];
92 
93 	int len = OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0);
94 	BIO_write(bio, obj_txt, len);
95 	BIO_write(bio, "\n", 1);
96 
97 	return 1;
98 	}
99 
100 int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions)
101 	{
102 	int i, critical, n;
103 	X509_EXTENSION *ex;
104 	ASN1_OBJECT *obj;
105 
106 	BIO_printf(bio, "Extensions:\n");
107 	n = X509v3_get_ext_count(extensions);
108 	for (i = 0; i < n; i++)
109 		{
110 		ex = X509v3_get_ext(extensions, i);
111 		obj = X509_EXTENSION_get_object(ex);
112 		i2a_ASN1_OBJECT(bio, obj);
113 		critical = X509_EXTENSION_get_critical(ex);
114 		BIO_printf(bio, ": %s\n", critical ? "critical" : "");
115 		if (!X509V3_EXT_print(bio, ex, 0, 4))
116 			{
117 			BIO_printf(bio, "%4s", "");
118 			M_ASN1_OCTET_STRING_print(bio, ex->value);
119 			}
120 		BIO_write(bio, "\n", 1);
121 		}
122 
123 	return 1;
124 	}
125 
126 int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg)
127 	{
128 	int i = OBJ_obj2nid(alg->algorithm);
129 	return BIO_printf(bio, "Hash Algorithm: %s\n",
130 		(i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i));
131 	}
132 
133 int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a)
134 	{
135 	const ASN1_OCTET_STRING *msg;
136 
137 	TS_X509_ALGOR_print_bio(bio, TS_MSG_IMPRINT_get_algo(a));
138 
139 	BIO_printf(bio, "Message data:\n");
140 	msg = TS_MSG_IMPRINT_get_msg(a);
141 	BIO_dump_indent(bio, (const char *)M_ASN1_STRING_data(msg),
142 			M_ASN1_STRING_length(msg), 4);
143 
144 	return 1;
145 	}
146