1 /*
2 * Copyright (c) 2023 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 "sethttpdns_fuzzer.h"
17
18 #include <cstring>
19 #include <securec.h>
20
21 #include "nweb.h"
22 #include "nweb_handler.h"
23 #include "nweb_helper.h"
24 #include "nweb_adapter_helper.h"
25
26 using namespace OHOS::NWeb;
27
28 namespace OHOS {
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)29 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
30 {
31 if ((data == nullptr) || (size < sizeof(int))) {
32 return false;
33 }
34 std::string dohConfig((const char *)data, size);
35 int mode;
36 if (memcpy_s(&mode, sizeof(int), data, sizeof(int)) != 0) {
37 return false;
38 }
39 NWebDOHConfig config = {
40 .dohMode = mode,
41 .dohConfig = dohConfig,
42 };
43 NWebHelper::Instance().SetHttpDns(config);
44 return true;
45 }
46 }
47
48 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)49 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
50 {
51 /* Run your code on data */
52 OHOS::DoSomethingInterestingWithMyAPI(data, size);
53 return 0;
54 }
55