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 "loadwithdata_fuzzer.h"
17 #include <fuzzer/FuzzedDataProvider.h>
18
19 #include "nweb.h"
20 #include "nweb_create_window.h"
21
22 namespace OHOS {
23 constexpr uint8_t MAX_DATA_LENGTH = 255;
24 constexpr uint8_t MAX_STRING_LENGTH = 10;
25 std::shared_ptr<OHOS::NWeb::NWeb> g_nweb = nullptr;
LoadWithDataFuzzTest(const uint8_t * data,size_t size)26 bool LoadWithDataFuzzTest(const uint8_t* data, size_t size)
27 {
28 if ((data == nullptr) || (size == 0)) {
29 return true;
30 }
31 FuzzedDataProvider dataProvider(data, size);
32 g_nweb = NWeb::GetNwebForTest();
33 if (g_nweb == nullptr) {
34 return true;
35 }
36 std::string datas = dataProvider.ConsumeRandomLengthString(MAX_DATA_LENGTH);
37 std::string mimeType = dataProvider.ConsumeRandomLengthString(MAX_STRING_LENGTH);
38 std::string encoding = dataProvider.ConsumeRandomLengthString(MAX_STRING_LENGTH);
39 g_nweb->LoadWithData(datas, mimeType, encoding);
40 return true;
41 }
42 }
43
44 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)45 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
46 {
47 /* Run your code on data */
48 OHOS::LoadWithDataFuzzTest(data, size);
49 return 0;
50 }
51