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
16 #include "touchpadscrollrows_fuzzer.h"
17
18 #include "multimodal_input_connect_stub.h"
19 #include "mmi_service.h"
20 #include "mmi_log.h"
21 #include <fuzzer/FuzzedDataProvider.h>
22
23 #undef LOG_TAG
24 #define LOG_TAG "TouchpadScrollRowsFuzzTest"
25
26 namespace OHOS {
27 namespace MMI {
28
29 namespace {
30 const std::u16string kInterfaceToken{ u"ohos.multimodalinput.IConnectManager" };
31 constexpr int32_t ROWS_MIN = -1000;
32 constexpr int32_t ROWS_MAX = 1000;
33 } // namespace
34
SetTouchpadScrollRowsFuzzTest(FuzzedDataProvider & provider)35 bool SetTouchpadScrollRowsFuzzTest(FuzzedDataProvider &provider)
36 {
37 MessageParcel datas;
38 if (!datas.WriteInterfaceToken(kInterfaceToken)) {
39 return false;
40 }
41
42 const int32_t rows = provider.ConsumeIntegralInRange<int32_t>(ROWS_MIN, ROWS_MAX);
43 if (!datas.WriteInt32(rows) || !datas.RewindRead(0)) {
44 return false;
45 }
46
47 MessageParcel reply;
48 MessageOption option;
49 MMIService::GetInstance()->state_ = ServiceRunningState::STATE_RUNNING;
50 (void)MMIService::GetInstance()->OnRemoteRequest(
51 static_cast<uint32_t>(IMultimodalInputConnectIpcCode::COMMAND_SET_TOUCHPAD_SCROLL_ROWS),
52 datas, reply, option);
53 return true;
54 }
55
GetTouchpadScrollRowsFuzzTest(FuzzedDataProvider & provider)56 bool GetTouchpadScrollRowsFuzzTest(FuzzedDataProvider &provider)
57 {
58 (void)provider;
59 MessageParcel datas;
60 if (!datas.WriteInterfaceToken(kInterfaceToken) || !datas.RewindRead(0)) {
61 return false;
62 }
63
64 MessageParcel reply;
65 MessageOption option;
66 MMIService::GetInstance()->state_ = ServiceRunningState::STATE_RUNNING;
67 (void)MMIService::GetInstance()->OnRemoteRequest(
68 static_cast<uint32_t>(IMultimodalInputConnectIpcCode::COMMAND_GET_TOUCHPAD_SCROLL_ROWS),
69 datas, reply, option);
70 return true;
71 }
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 if (!data || size == 0) {
77 return 0;
78 }
79 FuzzedDataProvider provider(data, size);
80 (void)OHOS::MMI::SetTouchpadScrollRowsFuzzTest(provider);
81 (void)OHOS::MMI::GetTouchpadScrollRowsFuzzTest(provider);
82 return 0;
83 }
84
85 } // namespace MMI
86 } // namespace OHOS