1 /* $OpenBSD: x_exten.c,v 1.22 2024/07/08 14:48:49 beck Exp $ */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2000.
4 */
5 /* ====================================================================
6 * Copyright (c) 2000 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 <stddef.h>
60 #include <openssl/x509.h>
61 #include <openssl/asn1.h>
62 #include <openssl/asn1t.h>
63
64 #include "x509_local.h"
65
66 static const ASN1_TEMPLATE X509_EXTENSION_seq_tt[] = {
67 {
68 .offset = offsetof(X509_EXTENSION, object),
69 .field_name = "object",
70 .item = &ASN1_OBJECT_it,
71 },
72 {
73 .flags = ASN1_TFLG_OPTIONAL,
74 .offset = offsetof(X509_EXTENSION, critical),
75 .field_name = "critical",
76 .item = &ASN1_BOOLEAN_it,
77 },
78 {
79 .offset = offsetof(X509_EXTENSION, value),
80 .field_name = "value",
81 .item = &ASN1_OCTET_STRING_it,
82 },
83 };
84
85 const ASN1_ITEM X509_EXTENSION_it = {
86 .itype = ASN1_ITYPE_SEQUENCE,
87 .utype = V_ASN1_SEQUENCE,
88 .templates = X509_EXTENSION_seq_tt,
89 .tcount = sizeof(X509_EXTENSION_seq_tt) / sizeof(ASN1_TEMPLATE),
90 .size = sizeof(X509_EXTENSION),
91 .sname = "X509_EXTENSION",
92 };
93 LCRYPTO_ALIAS(X509_EXTENSION_it);
94
95 static const ASN1_TEMPLATE X509_EXTENSIONS_item_tt = {
96 .flags = ASN1_TFLG_SEQUENCE_OF,
97 .tag = 0,
98 .offset = 0,
99 .field_name = "Extension",
100 .item = &X509_EXTENSION_it,
101 };
102
103 const ASN1_ITEM X509_EXTENSIONS_it = {
104 .itype = ASN1_ITYPE_PRIMITIVE,
105 .utype = -1,
106 .templates = &X509_EXTENSIONS_item_tt,
107 .tcount = 0,
108 .funcs = NULL,
109 .size = 0,
110 .sname = "X509_EXTENSIONS",
111 };
112 LCRYPTO_ALIAS(X509_EXTENSIONS_it);
113
114
115 X509_EXTENSION *
d2i_X509_EXTENSION(X509_EXTENSION ** a,const unsigned char ** in,long len)116 d2i_X509_EXTENSION(X509_EXTENSION **a, const unsigned char **in, long len)
117 {
118 return (X509_EXTENSION *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
119 &X509_EXTENSION_it);
120 }
121 LCRYPTO_ALIAS(d2i_X509_EXTENSION);
122
123 int
i2d_X509_EXTENSION(X509_EXTENSION * a,unsigned char ** out)124 i2d_X509_EXTENSION(X509_EXTENSION *a, unsigned char **out)
125 {
126 return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_EXTENSION_it);
127 }
128 LCRYPTO_ALIAS(i2d_X509_EXTENSION);
129
130 X509_EXTENSION *
X509_EXTENSION_new(void)131 X509_EXTENSION_new(void)
132 {
133 return (X509_EXTENSION *)ASN1_item_new(&X509_EXTENSION_it);
134 }
135 LCRYPTO_ALIAS(X509_EXTENSION_new);
136
137 void
X509_EXTENSION_free(X509_EXTENSION * a)138 X509_EXTENSION_free(X509_EXTENSION *a)
139 {
140 ASN1_item_free((ASN1_VALUE *)a, &X509_EXTENSION_it);
141 }
142 LCRYPTO_ALIAS(X509_EXTENSION_free);
143
144 X509_EXTENSIONS *
d2i_X509_EXTENSIONS(X509_EXTENSIONS ** a,const unsigned char ** in,long len)145 d2i_X509_EXTENSIONS(X509_EXTENSIONS **a, const unsigned char **in, long len)
146 {
147 return (X509_EXTENSIONS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
148 &X509_EXTENSIONS_it);
149 }
150 LCRYPTO_ALIAS(d2i_X509_EXTENSIONS);
151
152 int
i2d_X509_EXTENSIONS(X509_EXTENSIONS * a,unsigned char ** out)153 i2d_X509_EXTENSIONS(X509_EXTENSIONS *a, unsigned char **out)
154 {
155 return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_EXTENSIONS_it);
156 }
157 LCRYPTO_ALIAS(i2d_X509_EXTENSIONS);
158
159 X509_EXTENSION *
X509_EXTENSION_dup(X509_EXTENSION * x)160 X509_EXTENSION_dup(X509_EXTENSION *x)
161 {
162 return ASN1_item_dup(&X509_EXTENSION_it, x);
163 }
164 LCRYPTO_ALIAS(X509_EXTENSION_dup);
165