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 "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 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
GetFuzzAbilityToken()43 sptr<Token> GetFuzzAbilityToken()
44 {
45 sptr<Token> token = nullptr;
46 AbilityRequest abilityRequest;
47 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
48 abilityRequest.abilityInfo.name = "MainAbility";
49 abilityRequest.abilityInfo.type = AbilityType::DATA;
50 std::shared_ptr<AbilityRecord> abilityRecord = 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, boolParam);
77 missionInfoMgr->GetSnapshot(int32Param);
78 missionInfoMgr->GetMissionSnapshot(int32Param, token, missionSnapshot, boolParam, boolParam);
79 Snapshot missionInfoMgrSnapshot;
80 missionInfoMgr->CreateWhitePixelMap(missionInfoMgrSnapshot);
81
82 return true;
83 }
84 }
85
86 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)87 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
88 {
89 /* Run your code on data */
90 if (data == nullptr) {
91 return 0;
92 }
93
94 /* Validate the length of size */
95 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
96 return 0;
97 }
98
99 char* ch = (char *)malloc(size + 1);
100 if (ch == nullptr) {
101 std::cout << "malloc failed." << std::endl;
102 return 0;
103 }
104
105 (void)memset_s(ch, size + 1, 0x00, size + 1);
106 if (memcpy_s(ch, size, data, size) != EOK) {
107 std::cout << "copy failed." << std::endl;
108 free(ch);
109 ch = nullptr;
110 return 0;
111 }
112
113 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
114 free(ch);
115 ch = nullptr;
116 return 0;
117 }
118
119