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 "load_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_STRING_LENGTH = 64;
24 std::shared_ptr<OHOS::NWeb::NWeb> g_nweb = nullptr;
LoadFuzzTest(const uint8_t * data,size_t size)25 bool LoadFuzzTest(const uint8_t* data, size_t size)
26 {
27 if ((data == nullptr) || (size == 0)) {
28 return true;
29 }
30 FuzzedDataProvider dataProvider(data, size);
31 g_nweb = NWeb::GetNwebForTest();
32 if (g_nweb == nullptr) {
33 return true;
34 }
35 std::string url = dataProvider.ConsumeRandomLengthString(MAX_STRING_LENGTH);
36 g_nweb->Load(url);
37 return true;
38 }
39 }
40
41 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)42 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
43 {
44 /* Run your code on data */
45 OHOS::LoadFuzzTest(data, size);
46 return 0;
47 }
48