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 <fuzzer/FuzzedDataProvider.h>
17 #include "shiftapppointerevent_fuzzer.h"
18
19 #include "input_manager.h"
20 #include "define_multimodal.h"
21 #include "mmi_service.h"
22 #include "mmi_log.h"
23
24
25 namespace OHOS {
26 constexpr uint32_t MAX_ENUM_VALUE = 10;
27 namespace MMI {
28 template<class T>
GetObject(T & object,const uint8_t * data,size_t size)29 size_t GetObject(T& object, const uint8_t* data, size_t size)
30 {
31 size_t objectSize = sizeof(object);
32 if (objectSize > size) {
33 return 0;
34 }
35 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
36 if (ret != EOK) {
37 return 0;
38 }
39 return objectSize;
40 }
41
ShiftAppPointerEvent(const uint8_t * data,const size_t size,size_t & startPos)42 bool ShiftAppPointerEvent(const uint8_t* data, const size_t size, size_t& startPos)
43 {
44 ShiftWindowParam param;
45 bool autoGenDown;
46 startPos += GetObject<ShiftWindowParam>(param, data + startPos, size - startPos);
47 startPos += GetObject<bool>(autoGenDown, data + startPos, size - startPos);
48 InputManager::GetInstance()->ShiftAppPointerEvent(param, autoGenDown);
49 return true;
50 }
51
ShiftAppPointerEventNoHapTokenVerify(const uint8_t * data,const size_t size,size_t & startPos)52 bool ShiftAppPointerEventNoHapTokenVerify(const uint8_t* data, const size_t size, size_t& startPos)
53 {
54 ShiftWindowParam param;
55 bool autoGenDown;
56 startPos += GetObject<ShiftWindowParam>(param, data + startPos, size - startPos);
57 startPos += GetObject<bool>(autoGenDown, data + startPos, size - startPos);
58 WIN_MGR->ShiftAppPointerEvent(param, autoGenDown);
59 return true;
60 }
61
ShiftAppPointerEventFuzzTest(const uint8_t * data,const size_t size)62 bool ShiftAppPointerEventFuzzTest(const uint8_t* data, const size_t size)
63 {
64 FuzzedDataProvider fdp(data, size);
65 int32_t sourceWindowId = fdp.ConsumeIntegral<int32_t>();
66 int32_t targetWindowId = fdp.ConsumeIntegral<int32_t>();
67 int32_t x = fdp.ConsumeIntegral<int32_t>();
68 int32_t y = fdp.ConsumeIntegral<int32_t>();
69 int32_t fingerId = fdp.ConsumeIntegral<int32_t>();
70 int32_t sourceType = fdp.ConsumeIntegral<int32_t>() % MAX_ENUM_VALUE;
71 bool autoGenDown = fdp.ConsumeBool();
72 OHOS::MMI::ShiftWindowParam param;
73 param.sourceWindowId = sourceWindowId;
74 param.targetWindowId = targetWindowId;
75 param.x = x;
76 param.y = y;
77 param.fingerId = fingerId;
78 param.sourceType = sourceType;
79 bool winRes = WIN_MGR->ShiftAppPointerEvent(param, autoGenDown);
80 bool mgrRes = InputManager::GetInstance()->ShiftAppPointerEvent(param, autoGenDown);
81 if (winRes && mgrRes) {
82 return true;
83 }
84 return false;
85 }
86 } // MMI
87 } // OHOS
88
89 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)90 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
91 {
92 /* Run your code on data */
93 OHOS::MMI::ShiftAppPointerEventFuzzTest(data, size);
94 return 0;
95 }