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 "parsefstabperline_fuzzer.h"
17 #include <iostream>
18 #include <string>
19 #include "fs_manager/fs_manager.h"
20
21 namespace OHOS {
FuzzParseFstabPerLine(const uint8_t * data,size_t size)22 bool FuzzParseFstabPerLine(const uint8_t* data, size_t size)
23 {
24 bool result = false;
25 FILE *pFile = nullptr;
26 pFile = fopen("fstab.test", "w+");
27 if (pFile == nullptr) {
28 std::cout << "[fuzz] open file fstab.test failed";
29 return false;
30 }
31 if (fwrite(data, 1, size, pFile) != size) {
32 std::cout << "[fuzz] write data to fstab.test failed";
33 (void)fclose(pFile);
34 return false;
35 }
36 (void)fclose(pFile);
37 CloseStdout();
38 Fstab *fstab = ReadFstabFromFile("fstab.test", false);
39
40 std::string str(reinterpret_cast<const char*>(data), size);
41 if (ParseFstabPerLine(nullptr, fstab, false, str.c_str())) {
42 result = true;
43 };
44
45 return result;
46 }
47 }
48
49 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)50 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
51 {
52 /* Run your code on data */
53 OHOS::FuzzParseFstabPerLine(data, size);
54 return 0;
55 }
56