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diff --git a/src/lib/libcrypto/asn1/x_attrib.c b/src/lib/libcrypto/asn1/x_attrib.c
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1/* $OpenBSD: x_attrib.c,v 1.13 2015/02/14 14:56:45 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/* X509_ATTRIBUTE: this has the following form:
66 *
67 * typedef struct x509_attributes_st
68 * {
69 * ASN1_OBJECT *object;
70 * int single;
71 * union {
72 * char *ptr;
73 * STACK_OF(ASN1_TYPE) *set;
74 * ASN1_TYPE *single;
75 * } value;
76 * } X509_ATTRIBUTE;
77 *
78 * this needs some extra thought because the CHOICE type is
79 * merged with the main structure and because the value can
80 * be anything at all we *must* try the SET OF first because
81 * the ASN1_ANY type will swallow anything including the whole
82 * SET OF structure.
83 */
84
85static const ASN1_TEMPLATE X509_ATTRIBUTE_SET_ch_tt[] = {
86 {
87 .flags = ASN1_TFLG_SET_OF,
88 .tag = 0,
89 .offset = offsetof(X509_ATTRIBUTE, value.set),
90 .field_name = "value.set",
91 .item = &ASN1_ANY_it,
92 },
93 {
94 .flags = 0,
95 .tag = 0,
96 .offset = offsetof(X509_ATTRIBUTE, value.single),
97 .field_name = "value.single",
98 .item = &ASN1_ANY_it,
99 },
100};
101
102const ASN1_ITEM X509_ATTRIBUTE_SET_it = {
103 .itype = ASN1_ITYPE_CHOICE,
104 .utype = offsetof(X509_ATTRIBUTE, single),
105 .templates = X509_ATTRIBUTE_SET_ch_tt,
106 .tcount = sizeof(X509_ATTRIBUTE_SET_ch_tt) / sizeof(ASN1_TEMPLATE),
107 .funcs = NULL,
108 .size = sizeof(X509_ATTRIBUTE),
109 .sname = "X509_ATTRIBUTE",
110};
111
112static const ASN1_TEMPLATE X509_ATTRIBUTE_seq_tt[] = {
113 {
114 .flags = 0,
115 .tag = 0,
116 .offset = offsetof(X509_ATTRIBUTE, object),
117 .field_name = "object",
118 .item = &ASN1_OBJECT_it,
119 },
120 /* CHOICE type merged with parent */
121 {
122 .flags = 0 | ASN1_TFLG_COMBINE,
123 .tag = 0,
124 .offset = 0,
125 .field_name = NULL,
126 .item = &X509_ATTRIBUTE_SET_it,
127 },
128};
129
130const ASN1_ITEM X509_ATTRIBUTE_it = {
131 .itype = ASN1_ITYPE_SEQUENCE,
132 .utype = V_ASN1_SEQUENCE,
133 .templates = X509_ATTRIBUTE_seq_tt,
134 .tcount = sizeof(X509_ATTRIBUTE_seq_tt) / sizeof(ASN1_TEMPLATE),
135 .funcs = NULL,
136 .size = sizeof(X509_ATTRIBUTE),
137 .sname = "X509_ATTRIBUTE",
138};
139
140
141X509_ATTRIBUTE *
142d2i_X509_ATTRIBUTE(X509_ATTRIBUTE **a, const unsigned char **in, long len)
143{
144 return (X509_ATTRIBUTE *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
145 &X509_ATTRIBUTE_it);
146}
147
148int
149i2d_X509_ATTRIBUTE(X509_ATTRIBUTE *a, unsigned char **out)
150{
151 return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_ATTRIBUTE_it);
152}
153
154X509_ATTRIBUTE *
155X509_ATTRIBUTE_new(void)
156{
157 return (X509_ATTRIBUTE *)ASN1_item_new(&X509_ATTRIBUTE_it);
158}
159
160void
161X509_ATTRIBUTE_free(X509_ATTRIBUTE *a)
162{
163 ASN1_item_free((ASN1_VALUE *)a, &X509_ATTRIBUTE_it);
164}
165
166X509_ATTRIBUTE *
167X509_ATTRIBUTE_dup(X509_ATTRIBUTE *x)
168{
169 return ASN1_item_dup(&X509_ATTRIBUTE_it, x);
170}
171
172X509_ATTRIBUTE *
173X509_ATTRIBUTE_create(int nid, int atrtype, void *value)
174{
175 X509_ATTRIBUTE *ret = NULL;
176 ASN1_TYPE *val = NULL;
177
178 if ((ret = X509_ATTRIBUTE_new()) == NULL)
179 return (NULL);
180 ret->object = OBJ_nid2obj(nid);
181 ret->single = 0;
182 if ((ret->value.set = sk_ASN1_TYPE_new_null()) == NULL)
183 goto err;
184 if ((val = ASN1_TYPE_new()) == NULL)
185 goto err;
186 if (!sk_ASN1_TYPE_push(ret->value.set, val))
187 goto err;
188
189 ASN1_TYPE_set(val, atrtype, value);
190 return (ret);
191
192err:
193 if (ret != NULL)
194 X509_ATTRIBUTE_free(ret);
195 if (val != NULL)
196 ASN1_TYPE_free(val);
197 return (NULL);
198}
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