1 /* $OpenBSD: x_exten.c,v 1.16 2015/07/24 15:09:52 jsing 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 static const ASN1_TEMPLATE X509_EXTENSION_seq_tt[] = {
65 	{
66 		.offset = offsetof(X509_EXTENSION, object),
67 		.field_name = "object",
68 		.item = &ASN1_OBJECT_it,
69 	},
70 	{
71 		.flags = ASN1_TFLG_OPTIONAL,
72 		.offset = offsetof(X509_EXTENSION, critical),
73 		.field_name = "critical",
74 		.item = &ASN1_BOOLEAN_it,
75 	},
76 	{
77 		.offset = offsetof(X509_EXTENSION, value),
78 		.field_name = "value",
79 		.item = &ASN1_OCTET_STRING_it,
80 	},
81 };
82 
83 const ASN1_ITEM X509_EXTENSION_it = {
84 	.itype = ASN1_ITYPE_SEQUENCE,
85 	.utype = V_ASN1_SEQUENCE,
86 	.templates = X509_EXTENSION_seq_tt,
87 	.tcount = sizeof(X509_EXTENSION_seq_tt) / sizeof(ASN1_TEMPLATE),
88 	.size = sizeof(X509_EXTENSION),
89 	.sname = "X509_EXTENSION",
90 };
91 
92 static const ASN1_TEMPLATE X509_EXTENSIONS_item_tt = {
93 	.flags = ASN1_TFLG_SEQUENCE_OF,
94 	.tag = 0,
95 	.offset = 0,
96 	.field_name = "Extension",
97 	.item = &X509_EXTENSION_it,
98 };
99 
100 const ASN1_ITEM X509_EXTENSIONS_it = {
101 	.itype = ASN1_ITYPE_PRIMITIVE,
102 	.utype = -1,
103 	.templates = &X509_EXTENSIONS_item_tt,
104 	.tcount = 0,
105 	.funcs = NULL,
106 	.size = 0,
107 	.sname = "X509_EXTENSIONS",
108 };
109 
110 
111 X509_EXTENSION *
112 d2i_X509_EXTENSION(X509_EXTENSION **a, const unsigned char **in, long len)
113 {
114 	return (X509_EXTENSION *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
115 	    &X509_EXTENSION_it);
116 }
117 
118 int
119 i2d_X509_EXTENSION(X509_EXTENSION *a, unsigned char **out)
120 {
121 	return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_EXTENSION_it);
122 }
123 
124 X509_EXTENSION *
125 X509_EXTENSION_new(void)
126 {
127 	return (X509_EXTENSION *)ASN1_item_new(&X509_EXTENSION_it);
128 }
129 
130 void
131 X509_EXTENSION_free(X509_EXTENSION *a)
132 {
133 	ASN1_item_free((ASN1_VALUE *)a, &X509_EXTENSION_it);
134 }
135 
136 X509_EXTENSIONS *
137 d2i_X509_EXTENSIONS(X509_EXTENSIONS **a, const unsigned char **in, long len)
138 {
139 	return (X509_EXTENSIONS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
140 	    &X509_EXTENSIONS_it);
141 }
142 
143 int
144 i2d_X509_EXTENSIONS(X509_EXTENSIONS *a, unsigned char **out)
145 {
146 	return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_EXTENSIONS_it);
147 }
148 
149 X509_EXTENSION *
150 X509_EXTENSION_dup(X509_EXTENSION *x)
151 {
152 	return ASN1_item_dup(&X509_EXTENSION_it, x);
153 }
154