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