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