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 "missiondatastorageb_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 "ability_record.h"
26
27 using namespace OHOS::AAFwk;
28 using namespace OHOS::AppExecFwk;
29
30 namespace OHOS {
31 namespace {
32 constexpr size_t FOO_MAX_LEN = 1024;
33 constexpr size_t U32_AT_SIZE = 4;
34 constexpr uint8_t ENABLE = 2;
35 }
36
GetU32Data(const char * ptr)37 uint32_t GetU32Data(const char* ptr)
38 {
39 // convert fuzz input data to an integer
40 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
41 }
42
DoSomethingInterestingWithMyAPI(const char * data,size_t size)43 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
44 {
45 bool boolParam = *data % ENABLE;
46 int intParam = static_cast<int>(GetU32Data(data));
47 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
48 MissionSnapshot missionSnapshot;
49
50 // fuzz for MissionDataStorage
51 auto missionDataStorage = std::make_shared<MissionDataStorage>(intParam);
52 std::shared_ptr<OHOS::Media::PixelMap> snapshot = std::make_shared<OHOS::Media::PixelMap>();
53 missionDataStorage->SaveSnapshotFile(int32Param, snapshot, boolParam, boolParam);
54 missionDataStorage->GetReducedPixelMap(snapshot);
55 missionDataStorage->GetCachedSnapshot(int32Param, missionSnapshot);
56 missionDataStorage->SaveCachedSnapshot(int32Param, missionSnapshot);
57 missionDataStorage->DeleteMissionInfo(intParam);
58 missionDataStorage->DeleteMissionSnapshot(int32Param);
59 missionDataStorage->DeleteCachedSnapshot(int32Param);
60 missionDataStorage->DeleteMissionSnapshot(int32Param, boolParam);
61
62 return true;
63 }
64 }
65
66 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)67 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
68 {
69 /* Run your code on data */
70 if (data == nullptr) {
71 return 0;
72 }
73
74 /* Validate the length of size */
75 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
76 return 0;
77 }
78
79 char* ch = (char*)malloc(size + 1);
80 if (ch == nullptr) {
81 std::cout << "malloc failed." << std::endl;
82 return 0;
83 }
84
85 (void)memset_s(ch, size + 1, 0x00, size + 1);
86 if (memcpy_s(ch, size, data, size) != EOK) {
87 std::cout << "copy failed." << std::endl;
88 free(ch);
89 ch = nullptr;
90 return 0;
91 }
92
93 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
94 free(ch);
95 ch = nullptr;
96 return 0;
97 }
98
99