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 "loadfromcustconfigfile_fuzzer.h"
17
18 #include "config_reader.h"
19
20 namespace OHOS {
21 namespace ResourceSchedule {
22 const std::string fuzzedFile = "myConfigFuzzed.xml";
23 const int32_t FILE_RETURN_SUCCESS = 1;
24
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)25 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
26 {
27 // generate fuzzed xml
28 FILE *pFile = fopen(fuzzedFile.c_str(), "wb");
29 if (!pFile) {
30 return false;
31 }
32
33 int32_t retCode = fwrite(reinterpret_cast<const void*>(data), size, 1, pFile); // 1 means count=1
34 if (retCode < FILE_RETURN_SUCCESS) {
35 (void)fclose(pFile);
36 pFile = nullptr;
37 return false;
38 }
39
40 (void)fclose(pFile);
41 pFile = nullptr;
42
43 std::shared_ptr<ConfigReader> configReader = std::make_shared<ConfigReader>();
44 bool ret = configReader->LoadFromCustConfigFile(fuzzedFile);
45 return ret;
46 }
47 } // namespace ResourceSchedule
48 } // namespace OHOS
49
50 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)51 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
52 {
53 /* Run your code on data */
54 OHOS::ResourceSchedule::DoSomethingInterestingWithMyAPI(data, size);
55 return 0;
56 }
57