1//
2// Copyright (C) 2016 The Android Open Source Project
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8//      http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15//
16
17#ifndef TPM_MANAGER_CLIENT_TPM_NVRAM_BINDER_PROXY_H_
18#define TPM_MANAGER_CLIENT_TPM_NVRAM_BINDER_PROXY_H_
19
20#include <base/macros.h>
21
22#include "android/tpm_manager/ITpmNvram.h"
23#include "tpm_manager/common/export.h"
24#include "tpm_manager/common/tpm_nvram_interface.h"
25
26namespace tpm_manager {
27
28// An implementation of TpmNvramInterface that forwards requests to tpm_managerd
29// using Binder.
30class TPM_MANAGER_EXPORT TpmNvramBinderProxy : public TpmNvramInterface {
31 public:
32  TpmNvramBinderProxy() = default;
33  explicit TpmNvramBinderProxy(android::tpm_manager::ITpmNvram* binder);
34  ~TpmNvramBinderProxy() override = default;
35
36  // Initializes the client. Returns true on success.
37  bool Initialize();
38
39  // TpmNvramInterface methods. All assume a message loop and binder watcher
40  // have already been configured elsewhere.
41  void DefineSpace(const DefineSpaceRequest& request,
42                   const DefineSpaceCallback& callback) override;
43  void DestroySpace(const DestroySpaceRequest& request,
44                    const DestroySpaceCallback& callback) override;
45  void WriteSpace(const WriteSpaceRequest& request,
46                  const WriteSpaceCallback& callback) override;
47  void ReadSpace(const ReadSpaceRequest& request,
48                 const ReadSpaceCallback& callback) override;
49  void LockSpace(const LockSpaceRequest& request,
50                 const LockSpaceCallback& callback) override;
51  void ListSpaces(const ListSpacesRequest& request,
52                  const ListSpacesCallback& callback) override;
53  void GetSpaceInfo(const GetSpaceInfoRequest& request,
54                    const GetSpaceInfoCallback& callback) override;
55
56 private:
57  android::sp<android::tpm_manager::ITpmNvram> default_binder_;
58  android::tpm_manager::ITpmNvram* binder_ = nullptr;
59
60  DISALLOW_COPY_AND_ASSIGN(TpmNvramBinderProxy);
61};
62
63}  // namespace tpm_manager
64
65#endif  // TPM_MANAGER_CLIENT_TPM_NVRAM_BINDER_PROXY_H_
66