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 "dataabilitymanager_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "data_ability_manager.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 }
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
GetFuzzAbilityRecord()42 std::shared_ptr<AbilityRecord> GetFuzzAbilityRecord()
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 = AbilityRecord::CreateAbilityRecord(abilityRequest);
50 if (!abilityRecord) {
51 return nullptr;
52 }
53 return abilityRecord;
54 }
55
GetFuzzAbilityToken()56 sptr<Token> GetFuzzAbilityToken()
57 {
58 sptr<Token> token = nullptr;
59 std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
60 if (abilityRecord) {
61 token = abilityRecord->GetToken();
62 }
63 return token;
64 }
65
DoSomethingInterestingWithMyAPI(const char * data,size_t size)66 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
67 {
68 bool boolParam = *data % ENABLE;
69 int intParam = static_cast<int>(GetU32Data(data));
70 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
71 int64_t int64Param = static_cast<int64_t>(GetU32Data(data));
72 std::string stringParam(data, size);
73 std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
74 sptr<IRemoteObject> token = GetFuzzAbilityToken();
75 std::vector<std::string> info;
76 AbilityRequest abilityRequest;
77
78 // fuzz for DataAbilityManager
79 auto dataAbilityManager = std::make_shared<DataAbilityManager>();
80 sptr<IRemoteObject> client;
81 dataAbilityManager->Acquire(abilityRequest, boolParam, client, boolParam);
82 sptr<IAbilityScheduler> scheduler;
83 dataAbilityManager->Release(scheduler, client, boolParam);
84 dataAbilityManager->ContainsDataAbility(scheduler);
85 dataAbilityManager->AttachAbilityThread(scheduler, token);
86 dataAbilityManager->AbilityTransitionDone(token, intParam);
87 dataAbilityManager->OnAbilityRequestDone(token, int32Param);
88 dataAbilityManager->OnAbilityDied(abilityRecord);
89 AppInfo appInfo;
90 dataAbilityManager->OnAppStateChanged(appInfo);
91 dataAbilityManager->GetAbilityRecordById(int64Param);
92 dataAbilityManager->GetAbilityRecordByToken(token);
93 dataAbilityManager->GetAbilityRecordByScheduler(scheduler);
94 dataAbilityManager->Dump(data, intParam);
95 dataAbilityManager->LoadLocked(stringParam, abilityRequest);
96 dataAbilityManager->DumpLocked(data, intParam);
97 dataAbilityManager->DumpState(info, stringParam);
98 dataAbilityManager->DumpSysState(info, boolParam, stringParam);
99 std::vector<AbilityRunningInfo> AbilityRunningInfoVector;
100 dataAbilityManager->GetAbilityRunningInfos(AbilityRunningInfoVector, boolParam);
101 dataAbilityManager->RestartDataAbility(abilityRecord);
102 std::shared_ptr<DataAbilityRecord> record;
103 dataAbilityManager->ReportDataAbilityAcquired(client, boolParam, record);
104 dataAbilityManager->ReportDataAbilityReleased(client, boolParam, record);
105
106 return true;
107 }
108 }
109
110 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)111 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
112 {
113 /* Run your code on data */
114 if (data == nullptr) {
115 return 0;
116 }
117
118 /* Validate the length of size */
119 if (size < OHOS::U32_AT_SIZE) {
120 return 0;
121 }
122
123 char* ch = static_cast<char*>(malloc(size + 1));
124 if (ch == nullptr) {
125 std::cout << "malloc failed." << std::endl;
126 return 0;
127 }
128
129 (void)memset_s(ch, size + 1, 0x00, size + 1);
130 if (memcpy_s(ch, size, data, size) != EOK) {
131 std::cout << "copy failed." << std::endl;
132 free(ch);
133 ch = nullptr;
134 return 0;
135 }
136
137 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
138 free(ch);
139 ch = nullptr;
140 return 0;
141 }
142
143