xref: /freebsd/crypto/openssl/crypto/ts/ts_lib.c (revision 7d8f797b725e3efc0a4256554654780df83c456c)
1 /* crypto/ts/ts_lib.c */
2 /*
3  * Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL project
4  * 2002.
5  */
6 /* ====================================================================
7  * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in
18  *    the documentation and/or other materials provided with the
19  *    distribution.
20  *
21  * 3. All advertising materials mentioning features or use of this
22  *    software must display the following acknowledgment:
23  *    "This product includes software developed by the OpenSSL Project
24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25  *
26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27  *    endorse or promote products derived from this software without
28  *    prior written permission. For written permission, please contact
29  *    licensing@OpenSSL.org.
30  *
31  * 5. Products derived from this software may not be called "OpenSSL"
32  *    nor may "OpenSSL" appear in their names without prior written
33  *    permission of the OpenSSL Project.
34  *
35  * 6. Redistributions of any form whatsoever must retain the following
36  *    acknowledgment:
37  *    "This product includes software developed by the OpenSSL Project
38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39  *
40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51  * OF THE POSSIBILITY OF SUCH DAMAGE.
52  * ====================================================================
53  *
54  * This product includes cryptographic software written by Eric Young
55  * (eay@cryptsoft.com).  This product includes software written by Tim
56  * Hudson (tjh@cryptsoft.com).
57  *
58  */
59 
60 #include <stdio.h>
61 #include "cryptlib.h"
62 #include <openssl/objects.h>
63 #include <openssl/bn.h>
64 #include <openssl/x509v3.h>
65 #include "ts.h"
66 
67 /* Local function declarations. */
68 
69 /* Function definitions. */
70 
71 int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num)
72 {
73     BIGNUM num_bn;
74     int result = 0;
75     char *hex;
76 
77     BN_init(&num_bn);
78     ASN1_INTEGER_to_BN(num, &num_bn);
79     if ((hex = BN_bn2hex(&num_bn))) {
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         ex = X509v3_get_ext(extensions, i);
110         obj = X509_EXTENSION_get_object(ex);
111         i2a_ASN1_OBJECT(bio, obj);
112         critical = X509_EXTENSION_get_critical(ex);
113         BIO_printf(bio, ": %s\n", critical ? "critical" : "");
114         if (!X509V3_EXT_print(bio, ex, 0, 4)) {
115             BIO_printf(bio, "%4s", "");
116             M_ASN1_OCTET_STRING_print(bio, ex->value);
117         }
118         BIO_write(bio, "\n", 1);
119     }
120 
121     return 1;
122 }
123 
124 int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg)
125 {
126     int i = OBJ_obj2nid(alg->algorithm);
127     return BIO_printf(bio, "Hash Algorithm: %s\n",
128                       (i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i));
129 }
130 
131 int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a)
132 {
133     const ASN1_OCTET_STRING *msg;
134 
135     TS_X509_ALGOR_print_bio(bio, TS_MSG_IMPRINT_get_algo(a));
136 
137     BIO_printf(bio, "Message data:\n");
138     msg = TS_MSG_IMPRINT_get_msg(a);
139     BIO_dump_indent(bio, (const char *)M_ASN1_STRING_data(msg),
140                     M_ASN1_STRING_length(msg), 4);
141 
142     return 1;
143 }
144