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 "sensorregisterandunregistercallback_fuzzer.h"
17 #include "hdf_base.h"
18 #include "v2_0/isensor_interface.h"
19
20 using namespace OHOS::HDI::Sensor::V2_0;
21
22 namespace OHOS {
23 namespace HDI {
24 namespace Sensor {
25 namespace V2_0 {
OnDataEvent(const HdfSensorEvents & event)26 int32_t SensorRegisterAndUnregisterCallbackFuzzer::OnDataEvent(const HdfSensorEvents& event)
27 {
28 (void)event;
29 return HDF_SUCCESS;
30 }
31 } // V2_0
32 } // Sensor
33 } // HDI
34 } // OHOS
35
36 namespace OHOS {
SensorRegisterAndUnregisterCallbackFuzzTest(const uint8_t * data,size_t size)37 bool SensorRegisterAndUnregisterCallbackFuzzTest(const uint8_t* data, size_t size)
38 {
39 bool result = false;
40 int32_t ret;
41 sptr<ISensorInterface> sensorInterface = ISensorInterface::Get();
42 sptr<ISensorCallback> registerCallback = new SensorRegisterAndUnregisterCallbackFuzzer();
43 if (registerCallback == nullptr) {
44 return false;
45 }
46 ret = sensorInterface->Register(*(int32_t *)data, registerCallback);
47 if (ret != HDF_SUCCESS) {
48 registerCallback = new SensorRegisterAndUnregisterCallbackFuzzer();
49 if (registerCallback == nullptr) {
50 return false;
51 }
52 }
53
54 ret = sensorInterface->Unregister(*(int32_t *)data, registerCallback);
55 if (ret == HDF_SUCCESS) {
56 return true;
57 }
58 return result;
59 }
60 }
61
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)62 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
63 {
64 if (data == nullptr) {
65 return 0;
66 }
67
68 if (size < sizeof(int32_t)) {
69 return 0;
70 }
71 OHOS::SensorRegisterAndUnregisterCallbackFuzzTest(data, size);
72 return 0;
73 }
74
75