1 /* $OpenBSD: x_attrib.c,v 1.17 2022/05/09 19:19:33 jsing Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59 #include <stdio.h>
60
61 #include <openssl/asn1t.h>
62 #include <openssl/objects.h>
63 #include <openssl/x509.h>
64
65 #include "x509_lcl.h"
66
67 /*
68 * XXX - remove X509_ATTRIBUTE_SET_it with next major bump.
69 */
70 const ASN1_ITEM X509_ATTRIBUTE_SET_it = {
71 .itype = ASN1_ITYPE_CHOICE,
72 .utype = 0,
73 .templates = NULL,
74 .tcount = 0,
75 .funcs = NULL,
76 .size = sizeof(X509_ATTRIBUTE),
77 .sname = "X509_ATTRIBUTE",
78 };
79
80 static const ASN1_TEMPLATE X509_ATTRIBUTE_seq_tt[] = {
81 {
82 .flags = 0,
83 .tag = 0,
84 .offset = offsetof(X509_ATTRIBUTE, object),
85 .field_name = "object",
86 .item = &ASN1_OBJECT_it,
87 },
88 {
89 .flags = ASN1_TFLG_SET_OF,
90 .tag = 0,
91 .offset = offsetof(X509_ATTRIBUTE, set),
92 .field_name = "set",
93 .item = &ASN1_ANY_it,
94 },
95 };
96
97 const ASN1_ITEM X509_ATTRIBUTE_it = {
98 .itype = ASN1_ITYPE_SEQUENCE,
99 .utype = V_ASN1_SEQUENCE,
100 .templates = X509_ATTRIBUTE_seq_tt,
101 .tcount = sizeof(X509_ATTRIBUTE_seq_tt) / sizeof(ASN1_TEMPLATE),
102 .funcs = NULL,
103 .size = sizeof(X509_ATTRIBUTE),
104 .sname = "X509_ATTRIBUTE",
105 };
106
107
108 X509_ATTRIBUTE *
d2i_X509_ATTRIBUTE(X509_ATTRIBUTE ** a,const unsigned char ** in,long len)109 d2i_X509_ATTRIBUTE(X509_ATTRIBUTE **a, const unsigned char **in, long len)
110 {
111 return (X509_ATTRIBUTE *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
112 &X509_ATTRIBUTE_it);
113 }
114
115 int
i2d_X509_ATTRIBUTE(X509_ATTRIBUTE * a,unsigned char ** out)116 i2d_X509_ATTRIBUTE(X509_ATTRIBUTE *a, unsigned char **out)
117 {
118 return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_ATTRIBUTE_it);
119 }
120
121 X509_ATTRIBUTE *
X509_ATTRIBUTE_new(void)122 X509_ATTRIBUTE_new(void)
123 {
124 return (X509_ATTRIBUTE *)ASN1_item_new(&X509_ATTRIBUTE_it);
125 }
126
127 void
X509_ATTRIBUTE_free(X509_ATTRIBUTE * a)128 X509_ATTRIBUTE_free(X509_ATTRIBUTE *a)
129 {
130 ASN1_item_free((ASN1_VALUE *)a, &X509_ATTRIBUTE_it);
131 }
132
133 X509_ATTRIBUTE *
X509_ATTRIBUTE_dup(X509_ATTRIBUTE * x)134 X509_ATTRIBUTE_dup(X509_ATTRIBUTE *x)
135 {
136 return ASN1_item_dup(&X509_ATTRIBUTE_it, x);
137 }
138
139 X509_ATTRIBUTE *
X509_ATTRIBUTE_create(int nid,int atrtype,void * value)140 X509_ATTRIBUTE_create(int nid, int atrtype, void *value)
141 {
142 X509_ATTRIBUTE *ret = NULL;
143 ASN1_TYPE *val = NULL;
144 ASN1_OBJECT *oid;
145
146 if ((oid = OBJ_nid2obj(nid)) == NULL)
147 return (NULL);
148 if ((ret = X509_ATTRIBUTE_new()) == NULL)
149 return (NULL);
150 ret->object = oid;
151 if ((val = ASN1_TYPE_new()) == NULL)
152 goto err;
153 if (!sk_ASN1_TYPE_push(ret->set, val))
154 goto err;
155
156 ASN1_TYPE_set(val, atrtype, value);
157 return (ret);
158
159 err:
160 if (ret != NULL)
161 X509_ATTRIBUTE_free(ret);
162 if (val != NULL)
163 ASN1_TYPE_free(val);
164 return (NULL);
165 }
166