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 "readfileindir_fuzzer.h"
17
18#include <fstream>
19#include <iostream>
20#include <string>
21#include <vector>
22#include "init.h"
23#include "init_utils.h"
24
25static int FakeParser(const char *testFile, void *context)
26{
27    UNUSED(context);
28    std::ifstream fileStream;
29    fileStream.open(testFile);
30    std::vector<std::string> fileText;
31    std::string textLine;
32    while (getline(fileStream, textLine)) {
33        fileText.push_back(textLine);
34    }
35    fileStream.close();
36    std::vector<std::string>().swap(fileText);
37    return 0;
38}
39
40namespace OHOS {
41    bool FuzzReadFileInDir(const uint8_t* data, size_t size)
42    {
43        bool result = false;
44        FILE *pFile = nullptr;
45        pFile = fopen("ReadFileInDir.test", "w+");
46        if (pFile == nullptr) {
47            std::cout << "[fuzz] open file ReadFileInDir.test failed";
48            return false;
49        }
50        if (fwrite(data, 1, size, pFile) != size) {
51            std::cout << "[fuzz] write data to ReadFileInDir.test failed";
52            (void)fclose(pFile);
53            return false;
54        }
55        (void)fclose(pFile);
56        if (!ReadFileInDir("/data", ".test", FakeParser, NULL)) {
57            result = true;
58        }
59        return result;
60    }
61}
62
63/* Fuzzer entry point */
64extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
65{
66    /* Run your code on data */
67    OHOS::FuzzReadFileInDir(data, size);
68    return 0;
69}
70