130 lines
4.6 KiB
C++
130 lines
4.6 KiB
C++
//
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// Copyright (C) 2016 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef TPM_MANAGER_SERVER_BINDER_SERVICE_H_
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#define TPM_MANAGER_SERVER_BINDER_SERVICE_H_
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#include <brillo/binder_watcher.h>
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#include <brillo/daemons/daemon.h>
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#include "android/tpm_manager/BnTpmNvram.h"
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#include "android/tpm_manager/BnTpmOwnership.h"
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#include "tpm_manager/common/tpm_nvram_interface.h"
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#include "tpm_manager/common/tpm_ownership_interface.h"
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namespace tpm_manager {
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// BinderService registers for and handles all incoming binder calls for the
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// tpm_managerd system daemon.
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//
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// Example Usage:
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//
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// BinderService service(&nvram_service, &ownership_service);
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// service.Run();
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class BinderService : public brillo::Daemon {
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public:
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BinderService(TpmNvramInterface* nvram_service,
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TpmOwnershipInterface* ownership_service);
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~BinderService() override = default;
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// Does basic setup but does not register with the binder subsystem.
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void InitForTesting();
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// Getters for binder interfaces. Callers do not take ownership. These should
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// only be used for testing.
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android::tpm_manager::ITpmNvram* GetITpmNvram();
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android::tpm_manager::ITpmOwnership* GetITpmOwnership();
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protected:
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int OnInit() override;
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private:
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friend class NvramServiceInternal;
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class NvramServiceInternal : public android::tpm_manager::BnTpmNvram {
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public:
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explicit NvramServiceInternal(TpmNvramInterface* service);
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~NvramServiceInternal() override = default;
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// ITpmNvram interface.
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android::binder::Status DefineSpace(
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const std::vector<uint8_t>& command_proto,
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const android::sp<android::tpm_manager::ITpmManagerClient>& client)
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override;
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android::binder::Status DestroySpace(
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const std::vector<uint8_t>& command_proto,
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const android::sp<android::tpm_manager::ITpmManagerClient>& client)
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override;
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android::binder::Status WriteSpace(
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const std::vector<uint8_t>& command_proto,
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const android::sp<android::tpm_manager::ITpmManagerClient>& client)
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override;
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android::binder::Status ReadSpace(
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const std::vector<uint8_t>& command_proto,
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const android::sp<android::tpm_manager::ITpmManagerClient>& client)
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override;
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android::binder::Status ListSpaces(
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const std::vector<uint8_t>& command_proto,
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const android::sp<android::tpm_manager::ITpmManagerClient>& client)
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override;
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android::binder::Status GetSpaceInfo(
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const std::vector<uint8_t>& command_proto,
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const android::sp<android::tpm_manager::ITpmManagerClient>& client)
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override;
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android::binder::Status LockSpace(
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const std::vector<uint8_t>& command_proto,
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const android::sp<android::tpm_manager::ITpmManagerClient>& client)
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override;
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private:
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TpmNvramInterface* nvram_service_;
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};
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friend class OwnershipServiceInternal;
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class OwnershipServiceInternal : public android::tpm_manager::BnTpmOwnership {
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public:
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explicit OwnershipServiceInternal(TpmOwnershipInterface* service);
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~OwnershipServiceInternal() override = default;
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// ITpmOwnership interface.
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android::binder::Status GetTpmStatus(
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const std::vector<uint8_t>& command_proto,
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const android::sp<android::tpm_manager::ITpmManagerClient>& client)
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override;
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android::binder::Status TakeOwnership(
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const std::vector<uint8_t>& command_proto,
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const android::sp<android::tpm_manager::ITpmManagerClient>& client)
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override;
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android::binder::Status RemoveOwnerDependency(
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const std::vector<uint8_t>& command_proto,
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const android::sp<android::tpm_manager::ITpmManagerClient>& client)
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override;
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private:
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TpmOwnershipInterface* ownership_service_;
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};
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brillo::BinderWatcher watcher_;
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android::sp<NvramServiceInternal> nvram_binder_;
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android::sp<OwnershipServiceInternal> ownership_binder_;
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TpmNvramInterface* nvram_service_;
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TpmOwnershipInterface* ownership_service_;
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DISALLOW_COPY_AND_ASSIGN(BinderService);
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};
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} // namespace tpm_manager
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#endif // TPM_MANAGER_SERVER_BINDER_SERVICE_H_
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