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 "abilityeventhandler_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "ability_event_handler.h"
23 #include "ability_interceptor_executer.h"
24 #include "ability_running_info.h"
25 #include "ability_scheduler_proxy.h"
26 #include "ams_configuration_parameter.h"
27 #undef private
28
29 #include "ability_record.h"
30 #include "data_ability_observer_interface.h"
31 #include "data_ability_predicates.h"
32
33 using namespace OHOS::AAFwk;
34 using namespace OHOS::AppExecFwk;
35
36 namespace OHOS {
37 namespace {
38 constexpr size_t FOO_MAX_LEN = 1024;
39 constexpr size_t U32_AT_SIZE = 4;
40 constexpr uint8_t ENABLE = 2;
41 class DataAbilityObserver : public IDataAbilityObserver {
42 public:
43 DataAbilityObserver() = default;
44 virtual ~DataAbilityObserver() = default;
OnChange()45 void OnChange() override
46 {}
AsObject()47 sptr<IRemoteObject> AsObject() override
48 {
49 return {};
50 }
51 };
52 }
53
GetU32Data(const char * ptr)54 uint32_t GetU32Data(const char* ptr)
55 {
56 // convert fuzz input data to an integer
57 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
58 }
59
GetFuzzAbilityToken()60 sptr<Token> GetFuzzAbilityToken()
61 {
62 sptr<Token> token = nullptr;
63 AbilityRequest abilityRequest;
64 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
65 abilityRequest.abilityInfo.name = "MainAbility";
66 abilityRequest.abilityInfo.type = AbilityType::DATA;
67 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
68 if (abilityRecord) {
69 token = abilityRecord->GetToken();
70 }
71 return token;
72 }
73
DoSomethingInterestingWithMyAPI(const char * data,size_t size)74 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
75 {
76 bool boolParam = *data % ENABLE;
77 int intParam = static_cast<int>(GetU32Data(data));
78 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
79 int64_t int64Param = static_cast<int64_t>(GetU32Data(data));
80 uint32_t uint32Param = GetU32Data(data);
81 std::string stringParam(data, size);
82
83 // fuzz for AbilityEventHandler
84 std::shared_ptr<AppExecFwk::EventRunner> runner;
85 std::weak_ptr<AbilityManagerService> server;
86 auto abilityEventHandler = std::make_shared<AbilityEventHandler>(runner, server);
87 abilityEventHandler->ProcessLoadTimeOut(int64Param);
88 abilityEventHandler->ProcessActiveTimeOut(int64Param);
89 abilityEventHandler->ProcessInactiveTimeOut(int64Param);
90 abilityEventHandler->ProcessForegroundTimeOut(int64Param);
91 abilityEventHandler->ProcessBackgroundTimeOut(int64Param);
92
93 // fuzz for AbilityInterceptorExecuter
94 auto abilityInterceptorExecuter = std::make_shared<AbilityInterceptorExecuter>();
95 std::shared_ptr<AbilityInterceptor> interceptor;
96 abilityInterceptorExecuter->AddInterceptor(interceptor);
97 Parcel wantParcel;
98 Want *want = nullptr;
99 if (wantParcel.WriteBuffer(data, size)) {
100 want = Want::Unmarshalling(wantParcel);
101 if (!want) {
102 return false;
103 }
104 }
105 abilityInterceptorExecuter->DoProcess(*want, intParam, int32Param, boolParam);
106
107 // fuzz for AbilityRunningInfo
108 auto abilityRunningInfo = std::make_shared<AbilityRunningInfo>();
109 Parcel parcel;
110 abilityRunningInfo->ReadFromParcel(parcel);
111 abilityRunningInfo->Unmarshalling(parcel);
112 abilityRunningInfo->Marshalling(parcel);
113
114 // fuzz for AbilitySchedulerProxy
115 sptr<IRemoteObject> impl = GetFuzzAbilityToken();
116 auto abilitySchedulerProxy = std::make_shared<AbilitySchedulerProxy>(impl);
117 MessageParcel messageParcel;
118 abilitySchedulerProxy->WriteInterfaceToken(messageParcel);
119 LifeCycleStateInfo stateInfo;
120 abilitySchedulerProxy->ScheduleAbilityTransaction(*want, stateInfo);
121 abilitySchedulerProxy->SendResult(intParam, intParam, *want);
122 abilitySchedulerProxy->ScheduleConnectAbility(*want);
123 abilitySchedulerProxy->ScheduleDisconnectAbility(*want);
124 abilitySchedulerProxy->ScheduleCommandAbility(*want, boolParam, intParam);
125 abilitySchedulerProxy->ScheduleSaveAbilityState();
126 PacMap inState;
127 abilitySchedulerProxy->ScheduleRestoreAbilityState(inState);
128 Uri uri(stringParam);
129 abilitySchedulerProxy->GetFileTypes(uri, stringParam);
130 abilitySchedulerProxy->OpenFile(uri, stringParam);
131 abilitySchedulerProxy->OpenRawFile(uri, stringParam);
132 PacMap pacMap;
133 abilitySchedulerProxy->Call(uri, stringParam, stringParam, pacMap);
134 NativeRdb::DataAbilityPredicates predicates;
135 abilitySchedulerProxy->Delete(uri, predicates);
136 std::vector<std::string> columns;
137 abilitySchedulerProxy->Query(uri, columns, predicates);
138 abilitySchedulerProxy->GetType(uri);
139 PacMap extras;
140 abilitySchedulerProxy->Reload(uri, extras);
141 sptr<IDataAbilityObserver> dataObserver(new DataAbilityObserver());
142 abilitySchedulerProxy->ScheduleRegisterObserver(uri, dataObserver);
143 abilitySchedulerProxy->ScheduleUnregisterObserver(uri, dataObserver);
144 abilitySchedulerProxy->ScheduleNotifyChange(uri);
145 abilitySchedulerProxy->NormalizeUri(uri);
146 abilitySchedulerProxy->DenormalizeUri(uri);
147 std::vector<std::shared_ptr<AppExecFwk::DataAbilityOperation>> operations;
148 abilitySchedulerProxy->ExecuteBatch(operations);
149 abilitySchedulerProxy->ContinueAbility(stringParam, uint32Param);
150 abilitySchedulerProxy->NotifyContinuationResult(int32Param);
151 std::vector<std::string> stringVector;
152 abilitySchedulerProxy->DumpAbilityInfo(stringVector, stringVector);
153 abilitySchedulerProxy->CallRequest();
154 #ifdef ABILITY_COMMAND_FOR_TEST
155 abilitySchedulerProxy->BlockAbility();
156 #endif
157 // fuzz for AmsConfigurationParameter
158 auto amsConfigurationParameter = std::make_shared<AmsConfigurationParameter>();
159 amsConfigurationParameter->Parse();
160 amsConfigurationParameter->NonConfigFile();
161 amsConfigurationParameter->GetMissionSaveTime();
162 amsConfigurationParameter->GetOrientation();
163 amsConfigurationParameter->GetANRTimeOutTime();
164 amsConfigurationParameter->GetAMSTimeOutTime();
165 amsConfigurationParameter->GetMaxRestartNum(true);
166 amsConfigurationParameter->GetDeviceType();
167 amsConfigurationParameter->GetBootAnimationTimeoutTime();
168 nlohmann::json Object;
169 amsConfigurationParameter->LoadAppConfigurationForStartUpService(Object);
170 amsConfigurationParameter->LoadAppConfigurationForMemoryThreshold(Object);
171 amsConfigurationParameter->LoadSystemConfiguration(Object);
172
173 return true;
174 }
175 }
176
177 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)178 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
179 {
180 /* Run your code on data */
181 if (data == nullptr) {
182 std::cout << "invalid data" << std::endl;
183 return 0;
184 }
185
186 /* Validate the length of size */
187 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
188 return 0;
189 }
190
191 char* ch = (char *)malloc(size + 1);
192 if (ch == nullptr) {
193 std::cout << "malloc failed." << std::endl;
194 return 0;
195 }
196
197 (void)memset_s(ch, size + 1, 0x00, size + 1);
198 if (memcpy_s(ch, size, data, size) != EOK) {
199 std::cout << "copy failed." << std::endl;
200 free(ch);
201 ch = nullptr;
202 return 0;
203 }
204
205 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
206 free(ch);
207 ch = nullptr;
208 return 0;
209 }
210
211