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/*
* Copyright 2004-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include "internal/cryptlib.h"
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include "crypto/x509.h"
#include "pcy_local.h"
/*
* Set policy mapping entries in cache. Note: this modifies the passed
* POLICY_MAPPINGS structure
*/
int ossl_policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)
{
POLICY_MAPPING *map;
X509_POLICY_DATA *data;
X509_POLICY_CACHE *cache = x->policy_cache;
int i;
int ret = 0;
if (sk_POLICY_MAPPING_num(maps) == 0) {
ret = -1;
goto bad_mapping;
}
for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) {
map = sk_POLICY_MAPPING_value(maps, i);
/* Reject if map to or from anyPolicy */
if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy)
|| (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) {
ret = -1;
goto bad_mapping;
}
/* Attempt to find matching policy data */
data = ossl_policy_cache_find_data(cache, map->issuerDomainPolicy);
/* If we don't have anyPolicy can't map */
if (data == NULL && !cache->anyPolicy)
continue;
/* Create a NODE from anyPolicy */
if (data == NULL) {
data = ossl_policy_data_new(NULL, map->issuerDomainPolicy,
cache->anyPolicy->flags
& POLICY_DATA_FLAG_CRITICAL);
if (data == NULL)
goto bad_mapping;
data->qualifier_set = cache->anyPolicy->qualifier_set;
/*
* map->issuerDomainPolicy = NULL;
*/
data->flags |= POLICY_DATA_FLAG_MAPPED_ANY;
data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
if (!sk_X509_POLICY_DATA_push(cache->data, data)) {
ossl_policy_data_free(data);
goto bad_mapping;
}
} else
data->flags |= POLICY_DATA_FLAG_MAPPED;
if (!sk_ASN1_OBJECT_push(data->expected_policy_set,
map->subjectDomainPolicy))
goto bad_mapping;
map->subjectDomainPolicy = NULL;
}
ret = 1;
bad_mapping:
sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);
return ret;
}
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