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git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/x509v3/pcy_cache.c
97ebb3602dff704aecc4bbbffaa255f61022e7fa
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 2004 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
60 #include "internal/cryptlib.h"
61 #include <openssl/x509.h>
62 #include <openssl/x509v3.h>
63 #include "internal/x509_int.h"
67 static int policy_data_cmp(const X509_POLICY_DATA
*const *a
,
68 const X509_POLICY_DATA
*const *b
);
69 static int policy_cache_set_int(long *out
, ASN1_INTEGER
*value
);
72 * Set cache entry according to CertificatePolicies extension. Note: this
73 * destroys the passed CERTIFICATEPOLICIES structure.
76 static int policy_cache_create(X509
*x
,
77 CERTIFICATEPOLICIES
*policies
, int crit
)
81 X509_POLICY_CACHE
*cache
= x
->policy_cache
;
82 X509_POLICY_DATA
*data
= NULL
;
84 if (sk_POLICYINFO_num(policies
) == 0)
86 cache
->data
= sk_X509_POLICY_DATA_new(policy_data_cmp
);
87 if (cache
->data
== NULL
)
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
);
95 * Duplicate policy OIDs are illegal: reject if matches found.
97 if (OBJ_obj2nid(data
->valid_policy
) == NID_any_policy
) {
98 if (cache
->anyPolicy
) {
102 cache
->anyPolicy
= data
;
103 } else if (sk_X509_POLICY_DATA_find(cache
->data
, data
) != -1) {
106 } else if (!sk_X509_POLICY_DATA_push(cache
->data
, data
))
113 x
->ex_flags
|= EXFLAG_INVALID_POLICY
;
114 policy_data_free(data
);
115 sk_POLICYINFO_pop_free(policies
, POLICYINFO_free
);
117 sk_X509_POLICY_DATA_pop_free(cache
->data
, policy_data_free
);
123 static int policy_cache_new(X509
*x
)
125 X509_POLICY_CACHE
*cache
;
126 ASN1_INTEGER
*ext_any
= NULL
;
127 POLICY_CONSTRAINTS
*ext_pcons
= NULL
;
128 CERTIFICATEPOLICIES
*ext_cpols
= NULL
;
129 POLICY_MAPPINGS
*ext_pmaps
= NULL
;
131 cache
= OPENSSL_malloc(sizeof(*cache
));
134 cache
->anyPolicy
= NULL
;
136 cache
->any_skip
= -1;
137 cache
->explicit_skip
= -1;
138 cache
->map_skip
= -1;
140 x
->policy_cache
= cache
;
143 * Handle requireExplicitPolicy *first*. Need to process this even if we
144 * don't have any policies.
146 ext_pcons
= X509_get_ext_d2i(x
, NID_policy_constraints
, &i
, NULL
);
152 if (!ext_pcons
->requireExplicitPolicy
153 && !ext_pcons
->inhibitPolicyMapping
)
155 if (!policy_cache_set_int(&cache
->explicit_skip
,
156 ext_pcons
->requireExplicitPolicy
))
158 if (!policy_cache_set_int(&cache
->map_skip
,
159 ext_pcons
->inhibitPolicyMapping
))
163 /* Process CertificatePolicies */
165 ext_cpols
= X509_get_ext_d2i(x
, NID_certificate_policies
, &i
, NULL
);
167 * If no CertificatePolicies extension or problem decoding then there is
168 * no point continuing because the valid policies will be NULL.
171 /* If not absent some problem with extension */
177 i
= policy_cache_create(x
, ext_cpols
, i
);
179 /* NB: ext_cpols freed by policy_cache_set_policies */
184 ext_pmaps
= X509_get_ext_d2i(x
, NID_policy_mappings
, &i
, NULL
);
187 /* If not absent some problem with extension */
191 i
= policy_cache_set_mapping(x
, ext_pmaps
);
196 ext_any
= X509_get_ext_d2i(x
, NID_inhibit_any_policy
, &i
, NULL
);
201 } else if (!policy_cache_set_int(&cache
->any_skip
, ext_any
))
206 x
->ex_flags
|= EXFLAG_INVALID_POLICY
;
209 POLICY_CONSTRAINTS_free(ext_pcons
);
210 ASN1_INTEGER_free(ext_any
);
215 void policy_cache_free(X509_POLICY_CACHE
*cache
)
219 policy_data_free(cache
->anyPolicy
);
220 sk_X509_POLICY_DATA_pop_free(cache
->data
, policy_data_free
);
224 const X509_POLICY_CACHE
*policy_cache_set(X509
*x
)
227 if (x
->policy_cache
== NULL
) {
228 CRYPTO_w_lock(CRYPTO_LOCK_X509
);
230 CRYPTO_w_unlock(CRYPTO_LOCK_X509
);
233 return x
->policy_cache
;
237 X509_POLICY_DATA
*policy_cache_find_data(const X509_POLICY_CACHE
*cache
,
238 const ASN1_OBJECT
*id
)
241 X509_POLICY_DATA tmp
;
242 tmp
.valid_policy
= (ASN1_OBJECT
*)id
;
243 idx
= sk_X509_POLICY_DATA_find(cache
->data
, &tmp
);
246 return sk_X509_POLICY_DATA_value(cache
->data
, idx
);
249 static int policy_data_cmp(const X509_POLICY_DATA
*const *a
,
250 const X509_POLICY_DATA
*const *b
)
252 return OBJ_cmp((*a
)->valid_policy
, (*b
)->valid_policy
);
255 static int policy_cache_set_int(long *out
, ASN1_INTEGER
*value
)
259 if (value
->type
== V_ASN1_NEG_INTEGER
)
261 *out
= ASN1_INTEGER_get(value
);