xref: /freebsd/crypto/openssl/crypto/x509/pcy_map.c (revision b077aed3) 
1*b077aed3SPierre Pronchery /*
2*b077aed3SPierre Pronchery  * Copyright 2004-2021 The OpenSSL Project Authors. All Rights Reserved.
3*b077aed3SPierre Pronchery  *
4*b077aed3SPierre Pronchery  * Licensed under the Apache License 2.0 (the "License").  You may not use
5*b077aed3SPierre Pronchery  * this file except in compliance with the License.  You can obtain a copy
6*b077aed3SPierre Pronchery  * in the file LICENSE in the source distribution or at
7*b077aed3SPierre Pronchery  * https://www.openssl.org/source/license.html
8*b077aed3SPierre Pronchery  */
9*b077aed3SPierre Pronchery 
10*b077aed3SPierre Pronchery #include "internal/cryptlib.h"
11*b077aed3SPierre Pronchery #include <openssl/x509.h>
12*b077aed3SPierre Pronchery #include <openssl/x509v3.h>
13*b077aed3SPierre Pronchery #include "crypto/x509.h"
14*b077aed3SPierre Pronchery 
15*b077aed3SPierre Pronchery #include "pcy_local.h"
16*b077aed3SPierre Pronchery 
17*b077aed3SPierre Pronchery /*
18*b077aed3SPierre Pronchery  * Set policy mapping entries in cache. Note: this modifies the passed
19*b077aed3SPierre Pronchery  * POLICY_MAPPINGS structure
20*b077aed3SPierre Pronchery  */
21*b077aed3SPierre Pronchery 
ossl_policy_cache_set_mapping(X509 * x,POLICY_MAPPINGS * maps)22*b077aed3SPierre Pronchery int ossl_policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)
23*b077aed3SPierre Pronchery {
24*b077aed3SPierre Pronchery     POLICY_MAPPING *map;
25*b077aed3SPierre Pronchery     X509_POLICY_DATA *data;
26*b077aed3SPierre Pronchery     X509_POLICY_CACHE *cache = x->policy_cache;
27*b077aed3SPierre Pronchery     int i;
28*b077aed3SPierre Pronchery     int ret = 0;
29*b077aed3SPierre Pronchery     if (sk_POLICY_MAPPING_num(maps) == 0) {
30*b077aed3SPierre Pronchery         ret = -1;
31*b077aed3SPierre Pronchery         goto bad_mapping;
32*b077aed3SPierre Pronchery     }
33*b077aed3SPierre Pronchery     for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) {
34*b077aed3SPierre Pronchery         map = sk_POLICY_MAPPING_value(maps, i);
35*b077aed3SPierre Pronchery         /* Reject if map to or from anyPolicy */
36*b077aed3SPierre Pronchery         if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy)
37*b077aed3SPierre Pronchery             || (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) {
38*b077aed3SPierre Pronchery             ret = -1;
39*b077aed3SPierre Pronchery             goto bad_mapping;
40*b077aed3SPierre Pronchery         }
41*b077aed3SPierre Pronchery 
42*b077aed3SPierre Pronchery         /* Attempt to find matching policy data */
43*b077aed3SPierre Pronchery         data = ossl_policy_cache_find_data(cache, map->issuerDomainPolicy);
44*b077aed3SPierre Pronchery         /* If we don't have anyPolicy can't map */
45*b077aed3SPierre Pronchery         if (data == NULL && !cache->anyPolicy)
46*b077aed3SPierre Pronchery             continue;
47*b077aed3SPierre Pronchery 
48*b077aed3SPierre Pronchery         /* Create a NODE from anyPolicy */
49*b077aed3SPierre Pronchery         if (data == NULL) {
50*b077aed3SPierre Pronchery             data = ossl_policy_data_new(NULL, map->issuerDomainPolicy,
51*b077aed3SPierre Pronchery                                         cache->anyPolicy->flags
52*b077aed3SPierre Pronchery                                         & POLICY_DATA_FLAG_CRITICAL);
53*b077aed3SPierre Pronchery             if (data == NULL)
54*b077aed3SPierre Pronchery                 goto bad_mapping;
55*b077aed3SPierre Pronchery             data->qualifier_set = cache->anyPolicy->qualifier_set;
56*b077aed3SPierre Pronchery             /*
57*b077aed3SPierre Pronchery              * map->issuerDomainPolicy = NULL;
58*b077aed3SPierre Pronchery              */
59*b077aed3SPierre Pronchery             data->flags |= POLICY_DATA_FLAG_MAPPED_ANY;
60*b077aed3SPierre Pronchery             data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
61*b077aed3SPierre Pronchery             if (!sk_X509_POLICY_DATA_push(cache->data, data)) {
62*b077aed3SPierre Pronchery                 ossl_policy_data_free(data);
63*b077aed3SPierre Pronchery                 goto bad_mapping;
64*b077aed3SPierre Pronchery             }
65*b077aed3SPierre Pronchery         } else
66*b077aed3SPierre Pronchery             data->flags |= POLICY_DATA_FLAG_MAPPED;
67*b077aed3SPierre Pronchery         if (!sk_ASN1_OBJECT_push(data->expected_policy_set,
68*b077aed3SPierre Pronchery                                  map->subjectDomainPolicy))
69*b077aed3SPierre Pronchery             goto bad_mapping;
70*b077aed3SPierre Pronchery         map->subjectDomainPolicy = NULL;
71*b077aed3SPierre Pronchery 
72*b077aed3SPierre Pronchery     }
73*b077aed3SPierre Pronchery 
74*b077aed3SPierre Pronchery     ret = 1;
75*b077aed3SPierre Pronchery  bad_mapping:
76*b077aed3SPierre Pronchery     sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);
77*b077aed3SPierre Pronchery     return ret;
78*b077aed3SPierre Pronchery 
79*b077aed3SPierre Pronchery }
80