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diff --git a/src/lib/libcrypto/asn1/x_x509a.c b/src/lib/libcrypto/asn1/x_x509a.c
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1/* $OpenBSD: x_x509a.c,v 1.22 2024/04/09 13:55:02 beck Exp $ */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 1999.
4 */
5/* ====================================================================
6 * Copyright (c) 1999 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 <stdio.h>
60
61#include <openssl/asn1t.h>
62#include <openssl/evp.h>
63#include <openssl/x509.h>
64
65#include "x509_local.h"
66
67/* X509_CERT_AUX routines. These are used to encode additional
68 * user modifiable data about a certificate. This data is
69 * appended to the X509 encoding when the *_X509_AUX routines
70 * are used. This means that the "traditional" X509 routines
71 * will simply ignore the extra data.
72 */
73
74static X509_CERT_AUX *aux_get(X509 *x);
75
76static const ASN1_TEMPLATE X509_CERT_AUX_seq_tt[] = {
77 {
78 .flags = ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,
79 .offset = offsetof(X509_CERT_AUX, trust),
80 .field_name = "trust",
81 .item = &ASN1_OBJECT_it,
82 },
83 {
84 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF |
85 ASN1_TFLG_OPTIONAL,
86 .tag = 0,
87 .offset = offsetof(X509_CERT_AUX, reject),
88 .field_name = "reject",
89 .item = &ASN1_OBJECT_it,
90 },
91 {
92 .flags = ASN1_TFLG_OPTIONAL,
93 .offset = offsetof(X509_CERT_AUX, alias),
94 .field_name = "alias",
95 .item = &ASN1_UTF8STRING_it,
96 },
97 {
98 .flags = ASN1_TFLG_OPTIONAL,
99 .offset = offsetof(X509_CERT_AUX, keyid),
100 .field_name = "keyid",
101 .item = &ASN1_OCTET_STRING_it,
102 },
103 {
104 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF |
105 ASN1_TFLG_OPTIONAL,
106 .tag = 1,
107 .offset = offsetof(X509_CERT_AUX, other),
108 .field_name = "other",
109 .item = &X509_ALGOR_it,
110 },
111};
112
113const ASN1_ITEM X509_CERT_AUX_it = {
114 .itype = ASN1_ITYPE_SEQUENCE,
115 .utype = V_ASN1_SEQUENCE,
116 .templates = X509_CERT_AUX_seq_tt,
117 .tcount = sizeof(X509_CERT_AUX_seq_tt) / sizeof(ASN1_TEMPLATE),
118 .size = sizeof(X509_CERT_AUX),
119 .sname = "X509_CERT_AUX",
120};
121
122
123X509_CERT_AUX *
124d2i_X509_CERT_AUX(X509_CERT_AUX **a, const unsigned char **in, long len)
125{
126 return (X509_CERT_AUX *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
127 &X509_CERT_AUX_it);
128}
129
130int
131i2d_X509_CERT_AUX(X509_CERT_AUX *a, unsigned char **out)
132{
133 return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_CERT_AUX_it);
134}
135
136X509_CERT_AUX *
137X509_CERT_AUX_new(void)
138{
139 return (X509_CERT_AUX *)ASN1_item_new(&X509_CERT_AUX_it);
140}
141
142void
143X509_CERT_AUX_free(X509_CERT_AUX *a)
144{
145 ASN1_item_free((ASN1_VALUE *)a, &X509_CERT_AUX_it);
146}
147
148static X509_CERT_AUX *
149aux_get(X509 *x)
150{
151 if (!x)
152 return NULL;
153 if (!x->aux && !(x->aux = X509_CERT_AUX_new()))
154 return NULL;
155 return x->aux;
156}
157
158int
159X509_alias_set1(X509 *x, const unsigned char *name, int len)
160{
161 X509_CERT_AUX *aux;
162 if (!name) {
163 if (!x || !x->aux || !x->aux->alias)
164 return 1;
165 ASN1_UTF8STRING_free(x->aux->alias);
166 x->aux->alias = NULL;
167 return 1;
168 }
169 if (!(aux = aux_get(x)))
170 return 0;
171 if (!aux->alias && !(aux->alias = ASN1_UTF8STRING_new()))
172 return 0;
173 return ASN1_STRING_set(aux->alias, name, len);
174}
175LCRYPTO_ALIAS(X509_alias_set1);
176
177int
178X509_keyid_set1(X509 *x, const unsigned char *id, int len)
179{
180 X509_CERT_AUX *aux;
181 if (!id) {
182 if (!x || !x->aux || !x->aux->keyid)
183 return 1;
184 ASN1_OCTET_STRING_free(x->aux->keyid);
185 x->aux->keyid = NULL;
186 return 1;
187 }
188 if (!(aux = aux_get(x)))
189 return 0;
190 if (!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new()))
191 return 0;
192 return ASN1_STRING_set(aux->keyid, id, len);
193}
194LCRYPTO_ALIAS(X509_keyid_set1);
195
196unsigned char *
197X509_alias_get0(X509 *x, int *len)
198{
199 if (!x->aux || !x->aux->alias)
200 return NULL;
201 if (len)
202 *len = x->aux->alias->length;
203 return x->aux->alias->data;
204}
205LCRYPTO_ALIAS(X509_alias_get0);
206
207unsigned char *
208X509_keyid_get0(X509 *x, int *len)
209{
210 if (!x->aux || !x->aux->keyid)
211 return NULL;
212 if (len)
213 *len = x->aux->keyid->length;
214 return x->aux->keyid->data;
215}
216LCRYPTO_ALIAS(X509_keyid_get0);
217
218int
219X509_add1_trust_object(X509 *x, const ASN1_OBJECT *obj)
220{
221 X509_CERT_AUX *aux;
222 ASN1_OBJECT *objtmp;
223 int rc;
224
225 if (!(objtmp = OBJ_dup(obj)))
226 return 0;
227 if (!(aux = aux_get(x)))
228 goto err;
229 if (!aux->trust && !(aux->trust = sk_ASN1_OBJECT_new_null()))
230 goto err;
231 rc = sk_ASN1_OBJECT_push(aux->trust, objtmp);
232 if (rc != 0)
233 return rc;
234
235 err:
236 ASN1_OBJECT_free(objtmp);
237 return 0;
238}
239LCRYPTO_ALIAS(X509_add1_trust_object);
240
241int
242X509_add1_reject_object(X509 *x, const ASN1_OBJECT *obj)
243{
244 X509_CERT_AUX *aux;
245 ASN1_OBJECT *objtmp;
246 int rc;
247
248 if (!(objtmp = OBJ_dup(obj)))
249 return 0;
250 if (!(aux = aux_get(x)))
251 goto err;
252 if (!aux->reject && !(aux->reject = sk_ASN1_OBJECT_new_null()))
253 goto err;
254 rc = sk_ASN1_OBJECT_push(aux->reject, objtmp);
255 if (rc != 0)
256 return rc;
257
258 err:
259 ASN1_OBJECT_free(objtmp);
260 return 0;
261}
262LCRYPTO_ALIAS(X509_add1_reject_object);
263
264void
265X509_trust_clear(X509 *x)
266{
267 if (x->aux && x->aux->trust) {
268 sk_ASN1_OBJECT_pop_free(x->aux->trust, ASN1_OBJECT_free);
269 x->aux->trust = NULL;
270 }
271}
272LCRYPTO_ALIAS(X509_trust_clear);
273
274void
275X509_reject_clear(X509 *x)
276{
277 if (x->aux && x->aux->reject) {
278 sk_ASN1_OBJECT_pop_free(x->aux->reject, ASN1_OBJECT_free);
279 x->aux->reject = NULL;
280 }
281}
282LCRYPTO_ALIAS(X509_reject_clear);
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