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 #include "formjsinfo_fuzzer.h" 17 18 #include <cstddef> 19 #include <cstdint> 20 #include <fuzzer/FuzzedDataProvider.h> 21 22 #include "form_js_info.h" 23 #include "securec.h" 24 25 using namespace OHOS::AppExecFwk; 26 27 namespace OHOS { 28 29 constexpr int32_t MAX_NUM = 1000; 30 constexpr int32_t MIN_NUM = 0; 31 constexpr uint8_t NUM_TWO = 2; 32 GetU32Data(const char * ptr)33uint32_t GetU32Data(const char* ptr) 34 { 35 // convert fuzz input data to an integer 36 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3]; 37 } DoSomethingInterestingWithMyAPI(FuzzedDataProvider * fdp)38bool DoSomethingInterestingWithMyAPI(FuzzedDataProvider *fdp) 39 { 40 FormJsInfo formJsInfo; 41 formJsInfo.formId = fdp->ConsumeIntegralInRange(MIN_NUM, MAX_NUM); 42 formJsInfo.formName = fdp->ConsumeRandomLengthString(); 43 formJsInfo.bundleName = fdp->ConsumeRandomLengthString(); 44 formJsInfo.abilityName = fdp->ConsumeRandomLengthString(); 45 formJsInfo.moduleName = fdp->ConsumeRandomLengthString(); 46 formJsInfo.formTempFlag = fdp->ConsumeRandomLengthString().size() % NUM_TWO; 47 Parcel parcel; 48 formJsInfo.Marshalling(parcel); 49 formJsInfo.Unmarshalling(parcel); 50 formJsInfo.ReadImageData(parcel); 51 formJsInfo.ConvertRawImageData(); 52 return formJsInfo.WriteImageData(parcel); 53 } 54 } 55 56 /* Fuzzer entry point */ LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)57extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) 58 { 59 FuzzedDataProvider fdp(data, size); 60 OHOS::DoSomethingInterestingWithMyAPI(&fdp); 61 return 0; 62 } 63 64