1 /* 2 * Copyright (c) 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 #include "medialibrary_extension_open_file_fuzzer.h" 16 17 #include <cstdint> 18 #include <string> 19 #include <fuzzer/FuzzedDataProvider.h> 20 21 #include "data_ability_observer_interface.h" 22 #include "datashare_business_error.h" 23 #include "datashare_helper.h" 24 #include "datashare_predicates.h" 25 #include "datashare_values_bucket.h" 26 #include "media_datashare_ext_ability.h" 27 #include "media_datashare_stub_impl.h" 28 #include "media_log.h" 29 #include "runtime.h" 30 31 namespace OHOS { 32 using namespace std; 33 using namespace AbilityRuntime; 34 using namespace DataShare; 35 static const int32_t NUM_BYTES = 1; 36 FuzzedDataProvider *provider = nullptr; FuzzUri()37static inline Uri FuzzUri() 38 { 39 return Uri(provider->ConsumeBytesAsString(NUM_BYTES)); 40 } 41 OpenFileFuzzer(MediaDataShareExtAbility & extension)42static inline void OpenFileFuzzer(MediaDataShareExtAbility &extension) 43 { 44 extension.OpenFile(FuzzUri(), provider->ConsumeBytesAsString(NUM_BYTES)); 45 } 46 Init()47static inline MediaDataShareExtAbility Init() 48 { 49 const std::unique_ptr<AbilityRuntime::Runtime> runtime; 50 return {(*runtime)}; 51 } 52 } // namespace OHOS 53 54 /* Fuzzer entry point */ LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)55extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) 56 { 57 /* Run your code on data */ 58 FuzzedDataProvider fdp(data, size); 59 OHOS::provider = &fdp; 60 if (data == nullptr) { 61 return 0; 62 } 63 auto extension = OHOS::Init(); 64 OHOS::OpenFileFuzzer(extension); 65 return 0; 66 }