1 /*
2 * Copyright (c) 2025 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 #include "abilityunlockscreencallback_fuzzer.h"
16
17 #include "unlock_screen_callback.h"
18
19 #include <fuzzer/FuzzedDataProvider.h>
20 #include <iostream>
21 #include "securec.h"
22
23 namespace OHOS {
24 using namespace OHOS::AbilityRuntime;
25 namespace {
26 constexpr size_t U32_AT_SIZE = 4;
27 }
28
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)29 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
30 {
31 FuzzedDataProvider fdp(data, size);
32 int32_t screenLockResult = fdp.ConsumeIntegralInRange<int32_t>(0, U32_AT_SIZE);
33 std::shared_ptr<std::promise<bool>> promise = std::make_shared<std::promise<bool>>();
34 std::shared_ptr<UnlockScreenCallback> callback = std::make_shared<UnlockScreenCallback>(promise);
35 if (callback == nullptr) {
36 return false;
37 }
38 callback->OnCallBack(screenLockResult);
39 callback->screenLockResult_ = nullptr;
40 callback->OnCallBack(screenLockResult);
41 return true;
42 }
43 }
44
45 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)46 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
47 {
48 // Run your code on data.
49 OHOS::DoSomethingInterestingWithMyAPI(data, size);
50 return 0;
51 }