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Diffstat (limited to 'src/lib/libcrypto/x509/pcy_cache.c')
-rw-r--r--src/lib/libcrypto/x509/pcy_cache.c276
1 files changed, 0 insertions, 276 deletions
diff --git a/src/lib/libcrypto/x509/pcy_cache.c b/src/lib/libcrypto/x509/pcy_cache.c
deleted file mode 100644
index 10cefd7f34..0000000000
--- a/src/lib/libcrypto/x509/pcy_cache.c
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@@ -1,276 +0,0 @@
1/* $OpenBSD: pcy_cache.c,v 1.4 2023/04/26 19:11:32 beck Exp $ */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2004.
4 */
5/* ====================================================================
6 * Copyright (c) 2004 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 <openssl/x509.h>
60#include <openssl/x509v3.h>
61
62#ifndef LIBRESSL_HAS_POLICY_DAG
63
64#include "pcy_int.h"
65#include "x509_local.h"
66
67static int policy_data_cmp(const X509_POLICY_DATA * const *a,
68 const X509_POLICY_DATA * const *b);
69static int policy_cache_set_int(long *out, ASN1_INTEGER *value);
70
71/* Set cache entry according to CertificatePolicies extension.
72 * Note: this destroys the passed CERTIFICATEPOLICIES structure.
73 */
74
75static int
76policy_cache_create(X509 *x, CERTIFICATEPOLICIES *policies, int crit)
77{
78 int i;
79 int ret = 0;
80 X509_POLICY_CACHE *cache = x->policy_cache;
81 X509_POLICY_DATA *data = NULL;
82 POLICYINFO *policy;
83
84 if (sk_POLICYINFO_num(policies) == 0)
85 goto bad_policy;
86 cache->data = sk_X509_POLICY_DATA_new(policy_data_cmp);
87 if (!cache->data)
88 goto bad_policy;
89 for (i = 0; i < sk_POLICYINFO_num(policies); i++) {
90 policy = sk_POLICYINFO_value(policies, i);
91 data = policy_data_new(policy, NULL, crit);
92 if (!data)
93 goto bad_policy;
94 /* Duplicate policy OIDs are illegal: reject if matches
95 * found.
96 */
97 if (OBJ_obj2nid(data->valid_policy) == NID_any_policy) {
98 if (cache->anyPolicy) {
99 ret = -1;
100 goto bad_policy;
101 }
102 cache->anyPolicy = data;
103 } else if (sk_X509_POLICY_DATA_find(cache->data, data) != -1) {
104 ret = -1;
105 goto bad_policy;
106 } else if (!sk_X509_POLICY_DATA_push(cache->data, data))
107 goto bad_policy;
108 data = NULL;
109 }
110 ret = 1;
111
112bad_policy:
113 if (ret == -1)
114 x->ex_flags |= EXFLAG_INVALID_POLICY;
115 if (data)
116 policy_data_free(data);
117 sk_POLICYINFO_pop_free(policies, POLICYINFO_free);
118 if (ret <= 0) {
119 sk_X509_POLICY_DATA_pop_free(cache->data, policy_data_free);
120 cache->data = NULL;
121 }
122 return ret;
123}
124
125static int
126policy_cache_new(X509 *x)
127{
128 X509_POLICY_CACHE *cache;
129 ASN1_INTEGER *ext_any = NULL;
130 POLICY_CONSTRAINTS *ext_pcons = NULL;
131 CERTIFICATEPOLICIES *ext_cpols = NULL;
132 POLICY_MAPPINGS *ext_pmaps = NULL;
133 int i;
134
135 cache = malloc(sizeof(X509_POLICY_CACHE));
136 if (!cache)
137 return 0;
138 cache->anyPolicy = NULL;
139 cache->data = NULL;
140 cache->any_skip = -1;
141 cache->explicit_skip = -1;
142 cache->map_skip = -1;
143
144 x->policy_cache = cache;
145
146 /* Handle requireExplicitPolicy *first*. Need to process this
147 * even if we don't have any policies.
148 */
149 ext_pcons = X509_get_ext_d2i(x, NID_policy_constraints, &i, NULL);
150
151 if (!ext_pcons) {
152 if (i != -1)
153 goto bad_cache;
154 } else {
155 if (!ext_pcons->requireExplicitPolicy &&
156 !ext_pcons->inhibitPolicyMapping)
157 goto bad_cache;
158 if (!policy_cache_set_int(&cache->explicit_skip,
159 ext_pcons->requireExplicitPolicy))
160 goto bad_cache;
161 if (!policy_cache_set_int(&cache->map_skip,
162 ext_pcons->inhibitPolicyMapping))
163 goto bad_cache;
164 }
165
166 /* Process CertificatePolicies */
167
168 ext_cpols = X509_get_ext_d2i(x, NID_certificate_policies, &i, NULL);
169 /* If no CertificatePolicies extension or problem decoding then
170 * there is no point continuing because the valid policies will be
171 * NULL.
172 */
173 if (!ext_cpols) {
174 /* If not absent some problem with extension */
175 if (i != -1)
176 goto bad_cache;
177 return 1;
178 }
179
180 i = policy_cache_create(x, ext_cpols, i);
181
182 /* NB: ext_cpols freed by policy_cache_set_policies */
183
184 if (i <= 0)
185 return i;
186
187 ext_pmaps = X509_get_ext_d2i(x, NID_policy_mappings, &i, NULL);
188
189 if (!ext_pmaps) {
190 /* If not absent some problem with extension */
191 if (i != -1)
192 goto bad_cache;
193 } else {
194 i = policy_cache_set_mapping(x, ext_pmaps);
195 if (i <= 0)
196 goto bad_cache;
197 }
198
199 ext_any = X509_get_ext_d2i(x, NID_inhibit_any_policy, &i, NULL);
200
201 if (!ext_any) {
202 if (i != -1)
203 goto bad_cache;
204 } else if (!policy_cache_set_int(&cache->any_skip, ext_any))
205 goto bad_cache;
206
207 if (0) {
208bad_cache:
209 x->ex_flags |= EXFLAG_INVALID_POLICY;
210 }
211
212 if (ext_pcons)
213 POLICY_CONSTRAINTS_free(ext_pcons);
214
215 if (ext_any)
216 ASN1_INTEGER_free(ext_any);
217
218 return 1;
219}
220
221void
222policy_cache_free(X509_POLICY_CACHE *cache)
223{
224 if (!cache)
225 return;
226 if (cache->anyPolicy)
227 policy_data_free(cache->anyPolicy);
228 if (cache->data)
229 sk_X509_POLICY_DATA_pop_free(cache->data, policy_data_free);
230 free(cache);
231}
232
233const X509_POLICY_CACHE *
234policy_cache_set(X509 *x)
235{
236 if (x->policy_cache == NULL) {
237 CRYPTO_w_lock(CRYPTO_LOCK_X509);
238 policy_cache_new(x);
239 CRYPTO_w_unlock(CRYPTO_LOCK_X509);
240 }
241
242 return x->policy_cache;
243}
244
245X509_POLICY_DATA *
246policy_cache_find_data(const X509_POLICY_CACHE *cache, const ASN1_OBJECT *id)
247{
248 int idx;
249 X509_POLICY_DATA tmp;
250
251 tmp.valid_policy = (ASN1_OBJECT *)id;
252 idx = sk_X509_POLICY_DATA_find(cache->data, &tmp);
253 if (idx == -1)
254 return NULL;
255 return sk_X509_POLICY_DATA_value(cache->data, idx);
256}
257
258static int
259policy_data_cmp(const X509_POLICY_DATA * const *a,
260 const X509_POLICY_DATA * const *b)
261{
262 return OBJ_cmp((*a)->valid_policy, (*b)->valid_policy);
263}
264
265static int
266policy_cache_set_int(long *out, ASN1_INTEGER *value)
267{
268 if (value == NULL)
269 return 1;
270 if (value->type == V_ASN1_NEG_INTEGER)
271 return 0;
272 *out = ASN1_INTEGER_get(value);
273 return 1;
274}
275
276#endif /* LIBRESSL_HAS_POLICY_DAG */
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