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 "missioninfomgrc_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "mission_info_mgr.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 U32_AT_SIZE = 4;
33 constexpr uint8_t ENABLE = 2;
34 } // namespace
35
GetU32Data(const char * ptr)36 uint32_t GetU32Data(const char *ptr)
37 {
38 // convert fuzz input data to an integer
39 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
40 }
41
GetFuzzAbilityToken()42 sptr<Token> GetFuzzAbilityToken()
43 {
44 sptr<Token> token = nullptr;
45 AbilityRequest abilityRequest;
46 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
47 abilityRequest.abilityInfo.name = "MainAbility";
48 abilityRequest.abilityInfo.type = AbilityType::DATA;
49 std::shared_ptr<AbilityRecord> abilityRecord =
50 AbilityRecord::CreateAbilityRecord(abilityRequest);
51 if (abilityRecord) {
52 token = abilityRecord->GetToken();
53 }
54 return token;
55 }
56
DoSomethingInterestingWithMyAPI(const char * data,size_t size)57 bool DoSomethingInterestingWithMyAPI(const char *data, size_t size)
58 {
59 bool boolParam = *data % ENABLE;
60 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
61 std::string stringParam(data, size);
62 sptr<IRemoteObject> token = GetFuzzAbilityToken();
63 std::vector<std::string> info;
64 MissionSnapshot missionSnapshot;
65
66 // fuzz for MissionInfoMgr
67 auto missionInfoMgr = std::make_shared<MissionInfoMgr>();
68 missionInfoMgr->UpdateMissionLabel(int32Param, stringParam);
69 missionInfoMgr->LoadAllMissionInfo();
70 std::list<int32_t> missions;
71 missionInfoMgr->HandleUnInstallApp(stringParam, int32Param, missions);
72 missionInfoMgr->GetMatchedMission(stringParam, int32Param, missions);
73 missionInfoMgr->Dump(info);
74 sptr<ISnapshotHandler> snapshotHandler;
75 missionInfoMgr->RegisterSnapshotHandler(snapshotHandler);
76 missionInfoMgr->UpdateMissionSnapshot(int32Param, token, missionSnapshot,
77 boolParam);
78 missionInfoMgr->GetSnapshot(int32Param);
79 missionInfoMgr->GetMissionSnapshot(int32Param, token, missionSnapshot,
80 boolParam, boolParam);
81 Snapshot missionInfoMgrSnapshot;
82 missionInfoMgr->CreateWhitePixelMap(missionInfoMgrSnapshot);
83 return true;
84 }
85 } // namespace OHOS
86
87 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)88 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
89 {
90 /* Run your code on data */
91 if (data == nullptr) {
92 return 0;
93 }
94
95 /* Validate the length of size */
96 if (size < OHOS::U32_AT_SIZE) {
97 return 0;
98 }
99
100 char *ch = static_cast<char*>(malloc(size + 1));
101 if (ch == nullptr) {
102 std::cout << "malloc failed." << std::endl;
103 return 0;
104 }
105
106 (void)memset_s(ch, size + 1, 0x00, size + 1);
107 if (memcpy_s(ch, size, data, size) != EOK) {
108 std::cout << "copy failed." << std::endl;
109 free(ch);
110 ch = nullptr;
111 return 0;
112 }
113
114 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
115 free(ch);
116 ch = nullptr;
117 return 0;
118 }