1 /* 2 * Copyright (c) 2022 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 #define private public 17 #define protected public 18 #include "common_event_subscribe_info.h" 19 #undef private 20 #undef protected 21 22 #include "subscribecommonevent_fuzzer.h" 23 #include "common_event_manager.h" 24 #include "fuzz_common_base.h" 25 26 namespace OHOS { 27 namespace EventFwk { 28 class TestSubscriber : public CommonEventSubscriber { 29 public: TestSubscriber(const CommonEventSubscribeInfo & sp)30 explicit TestSubscriber(const CommonEventSubscribeInfo &sp) : CommonEventSubscriber(sp) 31 {} 32 ~TestSubscriber()33 ~TestSubscriber() 34 {} 35 OnReceiveEvent(const CommonEventData & data)36 void OnReceiveEvent(const CommonEventData &data) override 37 {} 38 }; 39 } // namespace EventFwk 40 41 constexpr size_t U32_AT_SIZE = 4; 42 DoSomethingInterestingWithMyAPI(FuzzData fuzzData)43bool DoSomethingInterestingWithMyAPI(FuzzData fuzzData) 44 { 45 std::string stringData = fuzzData.GenerateRandomString(); 46 47 EventFwk::MatchingSkills matchingSkills; 48 Parcel parcel; 49 matchingSkills.AddEvent(stringData); 50 matchingSkills.AddEntity(stringData); 51 matchingSkills.AddScheme(stringData); 52 // set CommonEventSubscribeInfo and test CommonEventSubscribeInfo class function 53 uint8_t mode = fuzzData.GetData<uint8_t>(); 54 EventFwk::CommonEventSubscribeInfo::ThreadMode threadMode = 55 EventFwk::CommonEventSubscribeInfo::ThreadMode(mode); 56 EventFwk::CommonEventSubscribeInfo subscribeInfo(matchingSkills); 57 int32_t priority = fuzzData.GenerateRandomInt32(); 58 subscribeInfo.ReadFromParcel(parcel); 59 subscribeInfo.Unmarshalling(parcel); 60 subscribeInfo.SetPriority(priority); 61 subscribeInfo.SetPermission(stringData); 62 subscribeInfo.SetDeviceId(stringData); 63 subscribeInfo.SetThreadMode(threadMode); 64 subscribeInfo.SetPublisherBundleName(fuzzData.GenerateRandomString()); 65 subscribeInfo.GetPriority(); 66 subscribeInfo.SetUserId(priority); 67 subscribeInfo.GetUserId(); 68 subscribeInfo.GetPermission(); 69 subscribeInfo.GetDeviceId(); 70 subscribeInfo.GetMatchingSkills(); 71 subscribeInfo.Marshalling(parcel); 72 73 std::shared_ptr<EventFwk::TestSubscriber> subscriber = 74 std::make_shared<EventFwk::TestSubscriber>(subscribeInfo); 75 if (subscriber != nullptr) { 76 subscriber->IsOrderedCommonEvent(); 77 subscriber->IsStickyCommonEvent(); 78 } 79 return EventFwk::CommonEventManager::SubscribeCommonEvent(subscriber); 80 } 81 } // namespace OHOS 82 83 /* Fuzzer entry point */ LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)84extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) 85 { 86 /* Run your code on data */ 87 if (data == nullptr) { 88 return 0; 89 } 90 91 if (size < OHOS::U32_AT_SIZE) { 92 return 0; 93 } 94 OHOS::FuzzData fuzzData(data, size); 95 OHOS::DoSomethingInterestingWithMyAPI(fuzzData); 96 return 0; 97 } 98