1 /*
2 * Copyright (c) 2024-2025 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 #include <fuzzer/FuzzedDataProvider.h>
21
22 #define private public
23 #include "data_ability_manager.h"
24 #undef private
25
26 #include "ability_record.h"
27
28 using namespace OHOS::AAFwk;
29 using namespace OHOS::AppExecFwk;
30
31 namespace OHOS {
32 namespace {
33 constexpr size_t STRING_MAX_LENGTH = 128;
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 uint8_t * data,size_t size)66 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
67 {
68 auto dataAbilityManager = std::make_shared<DataAbilityManager>();
69 bool boolParam;
70 bool isClient;
71 int intParam;
72 int32_t int32Param;
73 int64_t int64Param;
74 std::string stringParam;
75 std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
76 sptr<IRemoteObject> token = GetFuzzAbilityToken();
77 std::vector<std::string> info;
78 AbilityRequest abilityRequest;
79 FuzzedDataProvider fdp(data, size);
80 boolParam = fdp.ConsumeBool();
81 isClient = fdp.ConsumeBool();
82 intParam = fdp.ConsumeIntegral<int>();
83 int32Param = fdp.ConsumeIntegral<int32_t>();
84 int64Param = fdp.ConsumeIntegral<int64_t>();
85 stringParam = fdp.ConsumeRandomLengthString(STRING_MAX_LENGTH);
86 sptr<IRemoteObject> client;
87 dataAbilityManager->Acquire(abilityRequest, boolParam, client, boolParam);
88 abilityRequest.abilityInfo.type = AppExecFwk::AbilityType::DATA;
89 dataAbilityManager->Acquire(abilityRequest, boolParam, client, boolParam);
90 abilityRequest.abilityInfo.type = AppExecFwk::AbilityType::UNKNOWN;
91 dataAbilityManager->Acquire(abilityRequest, boolParam, client, boolParam);
92 abilityRequest.abilityInfo.bundleName = "";
93 abilityRequest.abilityInfo.name = "";
94 dataAbilityManager->Acquire(abilityRequest, boolParam, client, boolParam);
95 boolParam = true;
96 dataAbilityManager->Acquire(abilityRequest, boolParam, client, boolParam);
97 boolParam = false;
98 dataAbilityManager->Acquire(abilityRequest, boolParam, client, boolParam);
99 sptr<IAbilityScheduler> scheduler;
100 dataAbilityManager->Release(scheduler, client, boolParam);
101 dataAbilityManager->ContainsDataAbility(scheduler);
102 dataAbilityManager->AttachAbilityThread(scheduler, token);
103 dataAbilityManager->AbilityTransitionDone(token, intParam);
104 dataAbilityManager->OnAbilityRequestDone(token, int32Param);
105 dataAbilityManager->OnAbilityDied(abilityRecord);
106 AppInfo appInfo;
107 dataAbilityManager->OnAppStateChanged(appInfo);
108 appInfo.bundleName = abilityRecord->GetApplicationInfo().bundleName;
109 appInfo.appIndex = abilityRecord->GetAppIndex();
110 appInfo.instanceKey = abilityRecord->GetInstanceKey();
111 dataAbilityManager->OnAppStateChanged(appInfo);
112 dataAbilityManager->GetAbilityRecordById(int64Param);
113 dataAbilityManager->GetAbilityRecordByToken(token);
114 dataAbilityManager->GetAbilityRecordByScheduler(scheduler);
115 char *func = new char[stringParam.length() + 1];
116 dataAbilityManager->Dump(func, intParam);
117 dataAbilityManager->LoadLocked(stringParam, abilityRequest);
118 dataAbilityManager->DumpLocked(func, intParam);
119 dataAbilityManager->DumpState(info, stringParam);
120 std::shared_ptr<DataAbilityRecord> record;
121 dataAbilityManager->DumpClientInfo(info, isClient, record);
122 dataAbilityManager->DumpSysState(info, boolParam, stringParam);
123 std::vector<AbilityRunningInfo> AbilityRunningInfoVector;
124 dataAbilityManager->GetAbilityRunningInfos(AbilityRunningInfoVector, boolParam);
125 dataAbilityManager->RestartDataAbility(abilityRecord);
126 dataAbilityManager->ReportDataAbilityAcquired(client, boolParam, record);
127 dataAbilityManager->ReportDataAbilityReleased(client, boolParam, record);
128
129 return true;
130 }
131 }
132
133 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)134 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
135 {
136 // Run your code on data.
137 OHOS::DoSomethingInterestingWithMyAPI(data, size);
138 return 0;
139 }