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 "mountoneitem_fuzzer.h"
17#include <iostream>
18#include <string>
19#include "fs_manager/fs_manager.h"
20
21namespace OHOS {
22    bool FuzzMountOneItem(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        FstabItem *item = FindFstabItemForPath(*fstab, str.c_str());
42        if (!MountOneItem(item)) {
43            result = true;
44        };
45        return result;
46    }
47}
48
49/* Fuzzer entry point */
50extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
51{
52    /* Run your code on data */
53    OHOS::FuzzMountOneItem(data, size);
54    return 0;
55}
56