1 /*
2  * Copyright (C) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef OHOS_IPC_DBINDER_CALLBACK_STUB_H
17 #define OHOS_IPC_DBINDER_CALLBACK_STUB_H
18 
19 #include <string>
20 #include "ipc_object_stub.h"
21 
22 namespace OHOS {
23 class DBinderCallbackStub : public IPCObjectStub {
24 public:
25     explicit DBinderCallbackStub(const std::string &serviceName, const std::string &peerDeviceID,
26         const std::string &localDeviceID, uint64_t stubIndex, uint32_t handle, uint32_t tokenId);
27     ~DBinderCallbackStub();
28     static bool Marshalling(Parcel &parcel, const sptr<IRemoteObject> &object);
29     bool Marshalling(Parcel &parcel) const override;
30     int GetAndSaveDBinderData(pid_t pid, uid_t uid) override;
31     int32_t ProcessProto(uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option) override;
32 
33     int32_t OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option) override;
34     const std::string &GetServiceName();
35     const std::string &GetDeviceID();
36     uint64_t GetStubIndex() const;
37     uint32_t GetTokenId() const;
38 
39 private:
40     int32_t ProcessData(int uid, int pid, const std::string &sessionName, MessageParcel &data, MessageParcel &reply);
41     int AddDBinderCommAuth(pid_t pid, uid_t uid, const std::string &sessionName);
42     int SaveDBinderData(const std::string &sessionName);
43     const std::string serviceName_;
44     const std::string deviceID_;
45     const std::string localDeviceID_;
46     uint64_t stubIndex_;
47     uint32_t handle_;
48     uint32_t tokenId_;
49     std::unique_ptr<uint8_t[]> dbinderData_ {nullptr};
50 };
51 } // namespace OHOS
52 #endif // OHOS_IPC_DBINDER_CALLBACK_STUB_H