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_extension_client_interface.h"
26 #include "window_extension_client_stub.h"
27 #include "window_extension_client_stub_impl.h"
28 #include "windowextensionclstub_fuzzer.h"
29
30 using namespace OHOS::Rosen;
31
32 namespace OHOS {
33 namespace {
34 constexpr size_t DATA_MIN_SIZE = 2;
35 }
36
DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)37 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
38 {
39 if (data == nullptr || size < DATA_MIN_SIZE) {
40 return false;
41 }
42
43 MessageParcel parcel;
44 MessageParcel reply;
45 MessageOption option;
46
47 parcel.WriteInterfaceToken(WindowExtensionClientStub::GetDescriptor());
48 parcel.WriteBuffer(data, size);
49 sptr<IWindowExtensionCallback> componentCallback;
50 sptr<WindowExtensionClientStubImpl> extensionStubClient =
51 new (std::nothrow) WindowExtensionClientStubImpl(componentCallback);
52 if (extensionStubClient == nullptr) {
53 return false;
54 }
55
56 parcel.RewindRead(0);
57 extensionStubClient->OnRemoteRequest(
58 static_cast<uint32_t>(IWindowExtensionClient::TRANS_ID_ON_WINDOW_READY),
59 parcel, reply, option);
60 parcel.RewindRead(0);
61 extensionStubClient->OnRemoteRequest(
62 static_cast<uint32_t>(IWindowExtensionClient::TRANS_ID_ON_BACK_PRESS),
63 parcel, reply, option);
64 parcel.RewindRead(0);
65 extensionStubClient->OnRemoteRequest(
66 static_cast<uint32_t>(IWindowExtensionClient::TRANS_ID_ON_KEY_EVENT),
67 parcel, reply, option);
68 parcel.RewindRead(0);
69 extensionStubClient->OnRemoteRequest(
70 static_cast<uint32_t>(IWindowExtensionClient::TRANS_ID_ON_POINTER_EVENT),
71 parcel, reply, option);
72 return true;
73 }
74 } // namespace.OHOS
75
76 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)77 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
78 {
79 /* Run your code on data */
80 OHOS::DoSomethingInterestingWithMyAPI(data, size);
81 return 0;
82 }