1 /*
2 * Copyright (c) 2021 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 "ReadFstabFromFile_fuzzer.h"
17 #include <array>
18 #include <cstddef>
19 #include <cstdint>
20 #include <iostream>
21 #include <string>
22 #include <vector>
23 #include "fs_manager/fs_manager.h"
24 #include "log/log.h"
25
26 using namespace updater;
27
28 namespace OHOS {
FuzzReadFstabFromFile(const uint8_t * data,size_t size)29 bool FuzzReadFstabFromFile(const uint8_t* data, size_t size)
30 {
31 FILE *pFile;
32 Fstab *fstab = NULL;
33 const std::string fstabFile = "ReadFstabFromFile.txt";
34
35 pFile = fopen("ReadFstabFromFile.txt", "w+");
36 if (pFile == nullptr) {
37 LOG(ERROR) << "[fuzz]open file failed";
38 return -1;
39 }
40
41 fwrite(data, 1, size, pFile);
42 fclose(pFile);
43 fstab = ReadFstabFromFile(fstabFile.c_str(), false);
44 remove("ReadFstabFromFile.txt");
45 ReleaseFstab(fstab);
46 return 0;
47 }
48 }
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::FuzzReadFstabFromFile(data, size);
55 return 0;
56 }
57