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 "session/container/include/zidl/window_event_ipc_interface_code.h"
26 #include "session/container/include/window_event_channel.h"
27 #include "windoweventchstubfocus_fuzzer.h"
28
29 using namespace OHOS::Rosen;
30
31 namespace OHOS {
32 namespace {
33 constexpr size_t DATA_MIN_SIZE = 2;
34 }
35
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)36 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
37 {
38 if (data == nullptr || size < DATA_MIN_SIZE) {
39 return false;
40 }
41
42 MessageParcel parcel;
43 MessageParcel reply;
44 MessageOption option;
45
46 parcel.WriteInterfaceToken(WindowEventChannelStub::GetDescriptor());
47 parcel.WriteBuffer(data, size);
48
49 sptr<WindowEventChannel> eventStub = new (std::nothrow) WindowEventChannel(nullptr);
50 if (eventStub == nullptr) {
51 return false;
52 }
53 parcel.RewindRead(0);
54 eventStub->OnRemoteRequest(
55 static_cast<uint32_t>(Rosen::WindowEventInterfaceCode::TRANS_ID_TRANSFER_FOCUS_ACTIVE_EVENT),
56 parcel, reply, option);
57 parcel.RewindRead(0);
58 eventStub->OnRemoteRequest(
59 static_cast<uint32_t>(Rosen::WindowEventInterfaceCode::TRANS_ID_TRANSFER_FOCUS_WINDOW_ID_EVENT),
60 parcel, reply, option);
61 parcel.RewindRead(0);
62 eventStub->OnRemoteRequest(
63 static_cast<uint32_t>(Rosen::WindowEventInterfaceCode::TRANS_ID_TRANSFER_FOCUS_STATE_EVENT),
64 parcel, reply, option);
65 parcel.RewindRead(0);
66 eventStub->OnRemoteRequest(
67 static_cast<uint32_t>(Rosen::WindowEventInterfaceCode::TRANS_ID_TRANSFER_CLEAR_FOCUS),
68 parcel, reply, option);
69 return true;
70 }
71 } // namespace.OHOS
72
73 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)74 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
75 {
76 /* Run your code on data */
77 OHOS::DoSomethingInterestingWithMyAPI(data, size);
78 return 0;
79 }