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1 /*
2  * Copyright (c) 2022-2023 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 #include <cstddef>
17 #include <cstdint>
18 #include <string>
19 
20 #include "device_manager_impl.h"
21 #include "device_manager.h"
22 #include "device_manager_callback.h"
23 #include "register_dev_state_callback_fuzzer.h"
24 
25 namespace OHOS {
26 namespace DistributedHardware {
27 class DeviceStatusCallbackFuzzTest : public DeviceStatusCallback {
28 public:
~DeviceStatusCallbackFuzzTest()29     virtual ~DeviceStatusCallbackFuzzTest() {}
30 
OnDeviceOnline(const DmDeviceBasicInfo & deviceBasicInfo)31     void OnDeviceOnline(const DmDeviceBasicInfo &deviceBasicInfo) override {}
OnDeviceOffline(const DmDeviceBasicInfo & deviceBasicInfo)32     void OnDeviceOffline(const DmDeviceBasicInfo &deviceBasicInfo) override {}
OnDeviceChanged(const DmDeviceBasicInfo & deviceBasicInfo)33     void OnDeviceChanged(const DmDeviceBasicInfo &deviceBasicInfo) override {}
OnDeviceReady(const DmDeviceBasicInfo & deviceBasicInfo)34     void OnDeviceReady(const DmDeviceBasicInfo &deviceBasicInfo) override {}
35 };
36 
RegisterDevStateCallbackFuzzTest(const uint8_t * data,size_t size)37 void RegisterDevStateCallbackFuzzTest(const uint8_t* data, size_t size)
38 {
39     if ((data == nullptr) || (size == 0)) {
40         return;
41     }
42     std::string bundleName(reinterpret_cast<const char*>(data), size);
43     std::string extra(reinterpret_cast<const char*>(data), size);
44     std::shared_ptr<DeviceStatusCallback> deviceStatusCallback = std::make_shared<DeviceStatusCallbackFuzzTest>();
45 
46     DeviceManager::GetInstance().RegisterDevStatusCallback(bundleName, extra, deviceStatusCallback);
47     DeviceManager::GetInstance().UnRegisterDevStateCallback(bundleName);
48     DeviceManager::GetInstance().UnRegisterDevStatusCallback(bundleName);
49 }
50 }
51 }
52 
53 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)54 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
55 {
56     /* Run your code on data */
57     OHOS::DistributedHardware::RegisterDevStateCallbackFuzzTest(data, size);
58     return 0;
59 }
60