1 /*
2 * Copyright (c) 2022 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 "simulateinputevent_fuzzer.h"
17
18 #include "securec.h"
19
20 #include "common_method.h"
21 #include "define_multimodal.h"
22 #include "input_manager.h"
23 #include "mmi_log.h"
24
25 namespace OHOS {
26 namespace MMI {
27 namespace {
28 constexpr OHOS::HiviewDFX::HiLogLabel LABEL = { LOG_CORE, MMI_LOG_DOMAIN, "SimulateInputEventFuzzTest" };
29 } // namespace
30
SimulateInputEventFuzzTest(const uint8_t * data,size_t size)31 bool SimulateInputEventFuzzTest(const uint8_t* data, size_t size)
32 {
33 auto injectDownEvent = KeyEvent::Create();
34 CHKPF(injectDownEvent);
35 size_t startPos = 0;
36 int32_t keyCode;
37 startPos += GetObject<int32_t>(keyCode, data + startPos, size - startPos);
38 injectDownEvent->SetKeyCode(keyCode);
39 injectDownEvent->SetKeyAction(KeyEvent::KEY_ACTION_DOWN);
40 int64_t downTime;
41 startPos += GetObject<int64_t>(downTime, data + startPos, size - startPos);
42 KeyEvent::KeyItem kitDown;
43 kitDown.SetDownTime(downTime);
44 int32_t keyCodePressed;
45 startPos += GetObject<int32_t>(keyCodePressed, data + startPos, size - startPos);
46 kitDown.SetKeyCode(keyCodePressed);
47 kitDown.SetPressed(true);
48 injectDownEvent->AddPressedKeyItems(kitDown);
49 InputManager::GetInstance()->SimulateInputEvent(injectDownEvent);
50
51 auto injectUpEvent = KeyEvent::Create();
52 CHKPF(injectUpEvent);
53 startPos += GetObject<int64_t>(downTime, data + startPos, size - startPos);
54 KeyEvent::KeyItem kitUp;
55 kitUp.SetDownTime(downTime);
56 kitUp.SetKeyCode(keyCodePressed);
57 kitUp.SetPressed(false);
58 injectUpEvent->SetKeyCode(keyCode);
59 injectUpEvent->SetKeyAction(KeyEvent::KEY_ACTION_UP);
60 injectUpEvent->RemoveReleasedKeyItems(kitUp);
61 InputManager::GetInstance()->SimulateInputEvent(injectUpEvent);
62
63 auto pointerDownEvent = PointerEvent::Create();
64 CHKPF(pointerDownEvent);
65 PointerEvent::PointerItem downitem;
66 downitem.SetPointerId(0); // test code，set the PointerId = 0
67 int32_t physicalX;
68 startPos += GetObject<int32_t>(physicalX, data + startPos, size - startPos);
69 downitem.SetDisplayX(physicalX); // test code，set the DisplayX = 823
70 int32_t physicalY;
71 startPos += GetObject<int32_t>(physicalY, data + startPos, size - startPos);
72 downitem.SetDisplayY(physicalY); // test code，set the DisplayY = 723
73 int32_t pressure;
74 startPos += GetObject<int32_t>(pressure, data + startPos, size - startPos);
75 downitem.SetPressure(pressure); // test code，set the Pressure = 5
76 downitem.SetDeviceId(1); // test code，set the DeviceId = 1
77 pointerDownEvent->AddPointerItem(downitem);
78 pointerDownEvent->SetId(std::numeric_limits<int32_t>::max());
79 pointerDownEvent->SetPointerAction(PointerEvent::POINTER_ACTION_DOWN);
80 pointerDownEvent->SetPointerId(0); // test code，set the PointerId = 1
81 pointerDownEvent->SetSourceType(PointerEvent::SOURCE_TYPE_TOUCHSCREEN);
82 MMI_HILOGD("Call InputManager::SimulatePointerEvent");
83 InputManager::GetInstance()->SimulateInputEvent(pointerDownEvent);
84
85 auto pointerUpEvent = PointerEvent::Create();
86 CHKPF(pointerUpEvent);
87 PointerEvent::PointerItem upitem;
88 upitem.SetPointerId(0); // test code，set the PointerId = 0
89 upitem.SetDisplayX(physicalX); // test code，set the DisplayX = 823
90 upitem.SetDisplayY(physicalY); // test code，set the DisplayY = 723
91 upitem.SetPressure(pressure); // test code，set the Pressure = 5
92 upitem.SetDeviceId(1); // test code，set the DeviceId = 1
93 pointerUpEvent->AddPointerItem(upitem);
94 pointerUpEvent->SetId(std::numeric_limits<int32_t>::max());
95 pointerUpEvent->SetPointerAction(PointerEvent::POINTER_ACTION_UP);
96 pointerUpEvent->SetPointerId(0); // test code，set the PointerId = 1
97 pointerUpEvent->SetSourceType(PointerEvent::SOURCE_TYPE_TOUCHSCREEN);
98 MMI_HILOGD("Call InputManager::SimulatePointerEvent");
99 InputManager::GetInstance()->SimulateInputEvent(pointerUpEvent);
100 return true;
101 }
102 } // MMI
103 } // OHOS
104
105 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)106 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
107 {
108 /* Run your code on data */
109 OHOS::MMI::SimulateInputEventFuzzTest(data, size);
110 return 0;
111 }
112
113