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4d0340a6d2
This reverts commit 9aa4be691f and removed the
redundant flag setting.
Fixes #19643
Fixes LOW CVE-2022-3996
Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19652)
80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
/*
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* Copyright 2004-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include "internal/cryptlib.h"
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#include <openssl/x509.h>
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#include <openssl/x509v3.h>
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#include "crypto/x509.h"
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#include "pcy_local.h"
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/*
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* Set policy mapping entries in cache. Note: this modifies the passed
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* POLICY_MAPPINGS structure
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*/
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int ossl_policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)
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{
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POLICY_MAPPING *map;
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X509_POLICY_DATA *data;
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X509_POLICY_CACHE *cache = x->policy_cache;
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int i;
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int ret = 0;
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if (sk_POLICY_MAPPING_num(maps) == 0) {
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ret = -1;
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goto bad_mapping;
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}
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for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) {
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map = sk_POLICY_MAPPING_value(maps, i);
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/* Reject if map to or from anyPolicy */
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if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy)
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|| (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) {
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ret = -1;
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goto bad_mapping;
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}
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/* Attempt to find matching policy data */
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data = ossl_policy_cache_find_data(cache, map->issuerDomainPolicy);
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/* If we don't have anyPolicy can't map */
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if (data == NULL && !cache->anyPolicy)
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continue;
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/* Create a NODE from anyPolicy */
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if (data == NULL) {
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data = ossl_policy_data_new(NULL, map->issuerDomainPolicy,
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cache->anyPolicy->flags
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& POLICY_DATA_FLAG_CRITICAL);
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if (data == NULL)
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goto bad_mapping;
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data->qualifier_set = cache->anyPolicy->qualifier_set;
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/*
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* map->issuerDomainPolicy = NULL;
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*/
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data->flags |= POLICY_DATA_FLAG_MAPPED_ANY;
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data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
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if (!sk_X509_POLICY_DATA_push(cache->data, data)) {
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ossl_policy_data_free(data);
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goto bad_mapping;
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}
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} else
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data->flags |= POLICY_DATA_FLAG_MAPPED;
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if (!sk_ASN1_OBJECT_push(data->expected_policy_set,
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map->subjectDomainPolicy))
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goto bad_mapping;
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map->subjectDomainPolicy = NULL;
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}
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ret = 1;
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bad_mapping:
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sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);
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return ret;
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}
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