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 "updatedisplayinfo_fuzzer.h"
17
18 #include <string>
19
20 #include "securec.h"
21
22 #include "common_method.h"
23 #include "define_multimodal.h"
24 #include "input_manager.h"
25 #include "mmi_log.h"
26
27 namespace OHOS {
28 namespace MMI {
29 namespace {
30 constexpr OHOS::HiviewDFX::HiLogLabel LABEL = { LOG_CORE, MMI_LOG_DOMAIN, "UpdateDisplayInfoFuzzTest" };
31 } // namespace
32
GetString(size_t objectSize,const uint8_t * data,size_t size,std::string & object)33 size_t GetString(size_t objectSize, const uint8_t *data, size_t size, std::string &object)
34 {
35 if (objectSize > size) {
36 return 0;
37 }
38 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
39 if (ret != EOK) {
40 return 0;
41 }
42 return objectSize;
43 }
44
UpdateDisplayInfoFuzzTest(const uint8_t * data,size_t size)45 void UpdateDisplayInfoFuzzTest(const uint8_t* data, size_t size)
46 {
47 DisplayGroupInfo displayGroupInfo;
48 size_t startPos = 0;
49 startPos += GetObject<int32_t>(displayGroupInfo.width, data + startPos, size - startPos);
50 startPos += GetObject<int32_t>(displayGroupInfo.height, data + startPos, size - startPos);
51 startPos += GetObject<int32_t>(displayGroupInfo.focusWindowId, data + startPos, size - startPos);
52 std::vector<WindowInfo> windowsInfos;
53 std::vector<DisplayInfo> displaysInfos;
54 for (size_t i = 0; i < WindowInfo::MAX_HOTAREA_COUNT + 1; ++i) {
55 WindowInfo windowInfo;
56 startPos += GetObject<int32_t>(windowInfo.id, data + startPos, size - startPos);
57 startPos += GetObject<int32_t>(windowInfo.pid, data + startPos, size - startPos);
58 startPos += GetObject<int32_t>(windowInfo.uid, data + startPos, size - startPos);
59 startPos += GetObject<int32_t>(windowInfo.area.x, data + startPos, size - startPos);
60 startPos += GetObject<int32_t>(windowInfo.area.y, data + startPos, size - startPos);
61 startPos += GetObject<int32_t>(windowInfo.area.width, data + startPos, size - startPos);
62 startPos += GetObject<int32_t>(windowInfo.area.height, data + startPos, size - startPos);
63 windowsInfos.push_back(windowInfo);
64
65 DisplayInfo displayInfo;
66 startPos += GetObject<int32_t>(displayInfo.id, data + startPos, size - startPos);
67 startPos += GetObject<int32_t>(displayInfo.x, data + startPos, size - startPos);
68 startPos += GetObject<int32_t>(displayInfo.y, data + startPos, size - startPos);
69 startPos += GetObject<int32_t>(displayInfo.width, data + startPos, size - startPos);
70 startPos += GetObject<int32_t>(displayInfo.height, data + startPos, size - startPos);
71
72 size_t objectSize = 0;
73 std::string name = "";
74 size_t ret = 0;
75 ret = GetString(objectSize, data, size, name);
76 if (ret == 0) {
77 MMI_HILOGD("%{public}s:%{public}d The return value is 0", __func__, __LINE__);
78 return;
79 }
80 displayInfo.name = name;
81 std::string uniq = "";
82 ret = GetString(objectSize, data, size, uniq);
83 if (ret == 0) {
84 MMI_HILOGD("%{public}s:%{public}d The return value is 0", __func__, __LINE__);
85 return;
86 }
87 displayInfo.uniq = uniq;
88 displaysInfos.push_back(displayInfo);
89 }
90 displayGroupInfo.windowsInfo = windowsInfos;
91 displayGroupInfo.displaysInfo = displaysInfos;
92 InputManager::GetInstance()->UpdateDisplayInfo(displayGroupInfo);
93 MMI_HILOGD("Update display info success");
94 }
95 } // namespace MMI
96 } // namespace OHOS
97
98 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)99 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
100 {
101 /* Run your code on data */
102 OHOS::MMI::UpdateDisplayInfoFuzzTest(data, size);
103 return 0;
104 }
105