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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_CERT_INTERNAL_TRUST_STORE_WIN_H_
#define NET_CERT_INTERNAL_TRUST_STORE_WIN_H_
#include <vector>
#include "base/memory/ptr_util.h"
#include "base/synchronization/lock.h"
#include "base/win/wincrypt_shim.h"
#include "crypto/scoped_capi_types.h"
#include "net/base/net_export.h"
#include "net/cert/internal/platform_trust_store.h"
#include "third_party/boringssl/src/pki/trust_store.h"
namespace net {
// TrustStoreWin is an implementation of bssl::TrustStore which uses the Windows
// cert systems to find user-added trust anchors for path building. It ignores
// the Windows builtin trust anchors. This bssl::TrustStore is thread-safe (we
// think).
// TODO(crbug.com/40784682): confirm this is thread safe.
class NET_EXPORT TrustStoreWin : public PlatformTrustStore {
public:
struct NET_EXPORT_PRIVATE CertStores {
~CertStores();
CertStores(CertStores&& other);
CertStores& operator=(CertStores&& other);
// Create a CertStores object with the stores initialized with (empty)
// CERT_STORE_PROV_COLLECTION stores.
static CertStores CreateWithCollections();
// Create a CertStores object with the stores pre-initialized with
// in-memory cert stores for testing purposes.
static CertStores CreateInMemoryStoresForTesting();
// Create a CertStores object with null cert store pointers for testing
// purposes.
static CertStores CreateNullStoresForTesting();
// Returns true if any of the cert stores are not initialized.
bool is_null() const {
return !roots.get() || !intermediates.get() || !trusted_people.get() ||
!disallowed.get() || !all.get();
}
crypto::ScopedHCERTSTORE roots;
crypto::ScopedHCERTSTORE intermediates;
crypto::ScopedHCERTSTORE trusted_people;
crypto::ScopedHCERTSTORE disallowed;
crypto::ScopedHCERTSTORE all;
private:
CertStores();
void InitializeAllCertsStore();
};
// Creates a TrustStoreWin.
TrustStoreWin();
~TrustStoreWin() override;
TrustStoreWin(const TrustStoreWin& other) = delete;
TrustStoreWin& operator=(const TrustStoreWin& other) = delete;
// Creates a TrustStoreWin for testing, which will treat `root_cert_store`
// as if it's the source of truth for roots for `GetTrust,
// and `intermediate_cert_store` as an extra store (in addition to
// root_cert_store) for locating certificates during `SyncGetIssuersOf`.
static std::unique_ptr<TrustStoreWin> CreateForTesting(CertStores stores);
// Loads user settings from Windows CertStores. If there are errors,
// the underlyingTrustStoreWin object may not read all Windows
// CertStores when making trust decisions.
void InitializeStores();
void SyncGetIssuersOf(const bssl::ParsedCertificate* cert,
bssl::ParsedCertificateList* issuers) override;
bssl::CertificateTrust GetTrust(const bssl::ParsedCertificate* cert) override;
// net::PlatformTrustStore implementation:
std::vector<net::PlatformTrustStore::CertWithTrust> GetAllUserAddedCerts()
override;
private:
// Inner Impl class for use in initializing stores.
class Impl;
explicit TrustStoreWin(std::unique_ptr<Impl> impl);
// Loads user settings from Windows CertStores if not already done and
// returns pointer to the Impl.
Impl* MaybeInitializeAndGetImpl();
base::Lock init_lock_;
std::unique_ptr<Impl> impl_ GUARDED_BY(init_lock_);
};
} // namespace net
#endif // NET_CERT_INTERNAL_TRUST_STORE_WIN_H_
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