1/* 2 * Copyright (c) 2024 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 "prestartnwebspawnprocess_fuzzer.h" 17 18#include <cstddef> 19#include <cstdint> 20 21#include "ability_record.h" 22#include "app_mgr_client.h" 23#include "configuration.h" 24#include "parcel.h" 25#include "securec.h" 26 27using namespace OHOS::AAFwk; 28using namespace OHOS::AppExecFwk; 29 30namespace OHOS { 31namespace { 32constexpr size_t FOO_MAX_LEN = 1024; 33constexpr size_t U32_AT_SIZE = 4; 34} 35 36bool DoSomethingInterestingWithMyAPI(const char* data, size_t size) 37{ 38 std::shared_ptr<AppMgrClient> appMgrClient = std::make_shared<AppMgrClient>(); 39 if (!appMgrClient) { 40 return false; 41 } 42 43 if (appMgrClient->PreStartNWebSpawnProcess() != 0) { 44 return false; 45 } 46 47 return true; 48} 49} 50 51/* Fuzzer entry point */ 52extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) 53{ 54 /* Run your code on data */ 55 if (data == nullptr) { 56 std::cout << "invalid data" << std::endl; 57 return 0; 58 } 59 60 /* Validate the length of size */ 61 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) { 62 return 0; 63 } 64 65 char* ch = (char*)malloc(size + 1); 66 if (ch == nullptr) { 67 std::cout << "malloc failed." << std::endl; 68 return 0; 69 } 70 71 (void)memset_s(ch, size + 1, 0x00, size + 1); 72 if (memcpy_s(ch, size, data, size) != EOK) { 73 std::cout << "copy failed." << std::endl; 74 free(ch); 75 ch = nullptr; 76 return 0; 77 } 78 79 OHOS::DoSomethingInterestingWithMyAPI(ch, size); 80 free(ch); 81 ch = nullptr; 82 return 0; 83}