1 /*
2 * Copyright (c) 2024-2025 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
16 #include "screensessionmgrstubagent_fuzzer.h"
17
18 #include <iremote_stub.h>
19 #include <parcel.h>
20
21 #include "message_option.h"
22 #include "message_parcel.h"
23 #include "screen_session_manager_stub.h"
24
25 using namespace OHOS::Rosen;
26
27 namespace OHOS {
28 namespace {
29 constexpr size_t DATA_MIN_SIZE = 2;
30 }
31
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)32 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
33 {
34 if (data == nullptr || size < DATA_MIN_SIZE) {
35 return false;
36 }
37
38 MessageParcel parcel;
39 MessageParcel reply;
40 MessageOption option;
41
42 parcel.WriteInterfaceToken(ScreenSessionManagerStub::GetDescriptor());
43 parcel.WriteBuffer(data, size);
44
45 parcel.RewindRead(0);
46 std::shared_ptr<ScreenSessionManagerStub> screenStub = std::make_shared<ScreenSessionManagerStub>();
47 screenStub->OnRemoteRequest(
48 static_cast<uint32_t>(DisplayManagerMessage::TRANS_ID_REGISTER_DISPLAY_MANAGER_AGENT),
49 parcel, reply, option);
50 parcel.RewindRead(0);
51 screenStub->OnRemoteRequest(
52 static_cast<uint32_t>(
53 DisplayManagerMessage::TRANS_ID_UNREGISTER_DISPLAY_MANAGER_AGENT),
54 parcel, reply, option);
55 return true;
56 }
57 } // namespace.OHOS
58
59 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)60 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
61 {
62 /* Run your code on data */
63 OHOS::DoSomethingInterestingWithMyAPI(data, size);
64 return 0;
65 }
66