1 /*
2 * Copyright (c) 2024-2025 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 "missiondatastorage_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "mission_data_storage.h"
23 #undef private
24
25 #include "securec.h"
26 #include "ability_record.h"
27 #ifdef SUPPORT_SCREEN
28 #include "pixel_map.h"
29 #endif //SUPPORT_SCREEN
30
31 using namespace OHOS::AAFwk;
32 using namespace OHOS::AppExecFwk;
33
34 namespace OHOS {
35 namespace {
36 constexpr int INPUT_ZERO = 0;
37 constexpr int INPUT_ONE = 1;
38 constexpr int INPUT_TWO = 2;
39 constexpr int INPUT_THREE = 3;
40 constexpr size_t U32_AT_SIZE = 4;
41 constexpr size_t OFFSET_ZERO = 24;
42 constexpr size_t OFFSET_ONE = 16;
43 constexpr size_t OFFSET_TWO = 8;
44 constexpr uint8_t ENABLE = 2;
45 } // namespace
46
GetU32Data(const char * ptr)47 uint32_t GetU32Data(const char* ptr)
48 {
49 // convert fuzz input data to an integer
50 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
51 ptr[INPUT_THREE];
52 }
53
DoSomethingInterestingWithMyAPI(const char * data,size_t size)54 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
55 {
56 int intParam = static_cast<int>(GetU32Data(data));
57 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
58 auto missionDataStorage = std::make_shared<MissionDataStorage>();
59 InnerMissionInfo missionInfo;
60 missionInfo.missionInfo.id = int32Param;
61 std::list<InnerMissionInfo> missionInfoList;
62 missionDataStorage->SaveMissionInfo(missionInfo);
63 missionDataStorage->LoadAllMissionInfo(missionInfoList);
64 missionDataStorage->DeleteMissionInfo(intParam);
65 missionDataStorage->DeleteMissionInfo(intParam + 1);
66 MissionSnapshot missionSnapshot;
67 missionDataStorage->SaveMissionSnapshot(int32Param, missionSnapshot);
68 missionDataStorage->DeleteMissionSnapshot(int32Param);
69 bool boolParam = *data % ENABLE;
70 missionDataStorage->GetMissionSnapshot(int32Param, missionSnapshot, boolParam);
71 missionDataStorage->GetMissionSnapshotPath(int32Param, boolParam);
72
73 #ifdef SUPPORT_SCREEN
74 std::shared_ptr<OHOS::Media::PixelMap> snapshot = nullptr;
75 missionDataStorage->GetReducedPixelMap(snapshot);
76 snapshot = std::make_shared<Media::PixelMap>();
77 missionDataStorage->GetReducedPixelMap(snapshot);
78 missionDataStorage->GetSnapshot(int32Param, boolParam);
79 missionDataStorage->GetPixelMap(int32Param, boolParam);
80 std::string stringParam("mission_788529156.json");
81 size_t bufferSize;
82 missionDataStorage->ReadFileToBuffer(stringParam, bufferSize);
83 missionDataStorage->GetCachedSnapshot(int32Param, missionSnapshot);
84 missionDataStorage->SaveSnapshotFile(int32Param, missionSnapshot);
85 missionSnapshot.snapshot = std::make_shared<Media::PixelMap>();
86 missionDataStorage->SaveCachedSnapshot(int32Param, missionSnapshot);
87 missionDataStorage->DeleteCachedSnapshot(int32Param);
88 missionDataStorage->DeleteMissionSnapshot(int32Param);
89 missionDataStorage->SaveSnapshotFile(int32Param, missionSnapshot);
90 #endif
91
92 return true;
93 }
94 }
95
96 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)97 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
98 {
99 /* Run your code on data */
100 if (data == nullptr) {
101 return 0;
102 }
103
104 /* Validate the length of size */
105 if (size < OHOS::U32_AT_SIZE) {
106 return 0;
107 }
108
109 char* ch = static_cast<char*>(malloc(size + 1));
110 if (ch == nullptr) {
111 std::cout << "malloc failed." << std::endl;
112 return 0;
113 }
114
115 (void)memset_s(ch, size + 1, 0x00, size + 1);
116 if (memcpy_s(ch, size + 1, data, size) != EOK) {
117 std::cout << "copy failed." << std::endl;
118 free(ch);
119 ch = nullptr;
120 return 0;
121 }
122
123 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
124 free(ch);
125 ch = nullptr;
126 return 0;
127 }