1 /*
2 * Copyright (c) 2024 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 <cstddef>
17 #include <cstdint>
18 #include <parcel.h>
19 #include <securec.h>
20
21 #include <iremote_stub.h>
22 #include "message_option.h"
23 #include "message_parcel.h"
24 #include "marshalling_helper.h"
25 #include "window_manager_agent.h"
26 #include "windowmanageragentstubbar_fuzzer.h"
27
28 using namespace OHOS::Rosen;
29
30 namespace OHOS {
31 namespace {
32 constexpr size_t DATA_MIN_SIZE = 2;
33 }
34
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)35 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
36 {
37 if (data == nullptr || size < DATA_MIN_SIZE) {
38 return false;
39 }
40
41 MessageParcel parcel;
42 MessageParcel reply;
43 MessageOption option;
44
45 parcel.WriteInterfaceToken(Rosen::WindowManagerAgentStub::GetDescriptor());
46 parcel.WriteBuffer(data, size);
47 sptr<WindowManagerAgent> wmStub = new (std::nothrow) WindowManagerAgent();
48 if (wmStub == nullptr) {
49 return false;
50 }
51 parcel.RewindRead(0);
52 wmStub->OnRemoteRequest(
53 static_cast<uint32_t>(Rosen::IWindowManagerAgent::WindowManagerAgentMsg::TRANS_ID_UPDATE_SYSTEM_BAR_PROPS),
54 parcel, reply, option);
55 parcel.RewindRead(0);
56 wmStub->OnRemoteRequest(
57 static_cast<uint32_t>(Rosen::IWindowManagerAgent::WindowManagerAgentMsg::TRANS_ID_UPDATE_CAMERA_FLOAT),
58 parcel, reply, option);
59 return true;
60 }
61 } // namespace.OHOS
62
63 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)64 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
65 {
66 /* Run your code on data */
67 OHOS::DoSomethingInterestingWithMyAPI(data, size);
68 return 0;
69 }