1 /*
2 * Copyright (c) 2025 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 #include <fuzzer/FuzzedDataProvider.h>
16
17 #include "cloud_notifier_stub.h"
18
19 using namespace OHOS;
20 using namespace OHOS::CloudData;
21 namespace OHOS {
22 const std::u16string INTERFACE_TOKEN = u"OHOS.CloudData.ICloudNotifier";
23 constexpr uint32_t CODE_MIN = 0;
24 constexpr uint32_t CODE_MAX = 2;
25
OnRemoteRequestFuzz(FuzzedDataProvider & provider)26 bool OnRemoteRequestFuzz(FuzzedDataProvider &provider)
27 {
28 auto syncCompleteHandler = [](uint32_t, Details &&) {};
29 std::shared_ptr<CloudNotifierStub> notifierStub = std::make_shared<CloudNotifierStub>(syncCompleteHandler);
30 uint32_t code = provider.ConsumeIntegralInRange<uint32_t>(CODE_MIN, CODE_MAX);
31 std::vector<uint8_t> remainingData = provider.ConsumeRemainingBytes<uint8_t>();
32 MessageParcel request;
33 request.WriteInterfaceToken(INTERFACE_TOKEN);
34 request.WriteBuffer(static_cast<void *>(remainingData.data()), remainingData.size());
35 request.RewindRead(0);
36 MessageParcel reply;
37 MessageOption option;
38 notifierStub->OnRemoteRequest(code, request, reply, option);
39 return true;
40 }
41 } // namespace OHOS
42
43 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)44 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
45 {
46 FuzzedDataProvider provider(data, size);
47 OHOS::OnRemoteRequestFuzz(provider);
48 return 0;
49 }