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 "abilityconnectmanager_fuzzer.h"
17 
18 #include <cstddef>
19 #include <cstdint>
20 
21 #define private public
22 #include "ability_connect_manager.h"
23 #undef private
24 
25 #include "ability_connect_callback_interface.h"
26 #include "ability_connect_callback_stub.h"
27 
28 using namespace OHOS::AAFwk;
29 using namespace OHOS::AppExecFwk;
30 
31 namespace OHOS {
32 namespace {
33 constexpr int INPUT_ZERO = 0;
34 constexpr int INPUT_ONE = 1;
35 constexpr int INPUT_THREE = 3;
36 constexpr size_t FOO_MAX_LEN = 1024;
37 constexpr uint8_t ENABLE = 2;
38 constexpr size_t U32_AT_SIZE = 4;
39 constexpr size_t OFFSET_ZERO = 24;
40 constexpr size_t OFFSET_ONE = 16;
41 constexpr size_t OFFSET_TWO = 8;
42 class AbilityConnectCallback : public AbilityConnectionStub {
43 public:
44     AbilityConnectCallback() = default;
45     virtual ~AbilityConnectCallback() = default;
OnAbilityConnectDone(const AppExecFwk::ElementName & element,const sptr<IRemoteObject> & remoteObject,int resultCode)46     void OnAbilityConnectDone(
47         const AppExecFwk::ElementName& element, const sptr<IRemoteObject>& remoteObject, int resultCode) override
48     {}
OnAbilityDisconnectDone(const AppExecFwk::ElementName & element,int resultCode)49     void OnAbilityDisconnectDone(const AppExecFwk::ElementName& element, int resultCode) override
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[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
58         ptr[INPUT_THREE];
59 }
60 
GetFuzzAbilityRecord()61 std::shared_ptr<AbilityRecord> GetFuzzAbilityRecord()
62 {
63     sptr<Token> token = nullptr;
64     AbilityRequest abilityRequest;
65     abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
66     abilityRequest.abilityInfo.name = "MainAbility";
67     abilityRequest.abilityInfo.type = AbilityType::DATA;
68     std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
69     if (!abilityRecord) {
70         return nullptr;
71     }
72     return abilityRecord;
73 }
74 
GetFuzzAbilityToken()75 sptr<Token> GetFuzzAbilityToken()
76 {
77     sptr<Token> token = nullptr;
78     std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
79     if (abilityRecord) {
80         token = abilityRecord->GetToken();
81     }
82     return token;
83 }
84 
DoSomethingInterestingWithMyAPI(const char * data,size_t size)85 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
86 {
87     int intParam = static_cast<int>(GetU32Data(data));
88     std::shared_ptr<AbilityConnectManager> abilityConnectManager = std::make_shared<AbilityConnectManager>(intParam);
89     AbilityRequest abilityRequest;
90     abilityConnectManager->StartAbility(abilityRequest);
91     sptr<IRemoteObject> token = GetFuzzAbilityToken();
92     abilityConnectManager->TerminateAbility(token);
93     abilityConnectManager->StopServiceAbility(abilityRequest);
94     abilityConnectManager->StartAbilityLocked(abilityRequest);
95     abilityConnectManager->TerminateAbilityLocked(token);
96     abilityConnectManager->StopServiceAbilityLocked(abilityRequest);
97     bool boolParam = *data % ENABLE;
98     std::shared_ptr<AbilityRecord> targetService = GetFuzzAbilityRecord();
99     abilityConnectManager->GetOrCreateServiceRecord(abilityRequest, boolParam, targetService, boolParam);
100     const sptr<IAbilityConnection> connect = new AbilityConnectCallback();
101     std::list<std::shared_ptr<ConnectionRecord>> connectRecordList;
102     abilityConnectManager->GetConnectRecordListFromMap(connect, connectRecordList);
103     sptr<IRemoteObject> callerToken = GetFuzzAbilityToken();
104     abilityConnectManager->ConnectAbilityLocked(abilityRequest, connect, callerToken);
105     abilityConnectManager->DisconnectAbilityLocked(connect);
106     sptr<IAbilityScheduler> scheduler = nullptr;
107     abilityConnectManager->AttachAbilityThreadLocked(scheduler, token);
108     AppInfo appInfo;
109     abilityConnectManager->OnAppStateChanged(appInfo);
110     abilityConnectManager->AbilityTransitionDone(token, intParam);
111     sptr<IRemoteObject> remoteObject = nullptr;
112     abilityConnectManager->ScheduleConnectAbilityDoneLocked(token, remoteObject);
113     abilityConnectManager->ScheduleDisconnectAbilityDoneLocked(token);
114     abilityConnectManager->ScheduleCommandAbilityDoneLocked(token);
115     std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
116     abilityConnectManager->CompleteCommandAbility(abilityRecord);
117     std::string stringParam(data, size);
118     abilityConnectManager->GetServiceRecordByElementName(stringParam);
119     abilityConnectManager->GetExtensionByTokenFromServiceMap(token);
120     sptr<IAbilityConnection> callback = new AbilityConnectCallback();
121     abilityConnectManager->GetConnectRecordListByCallback(callback);
122     int64_t int64Param = static_cast<int64_t>(GetU32Data(data));
123     abilityConnectManager->GetAbilityRecordById(int64Param);
124     abilityConnectManager->LoadAbility(abilityRecord);
125     uint32_t uint32Param = GetU32Data(data);
126     abilityConnectManager->PostTimeOutTask(abilityRecord, uint32Param);
127     abilityConnectManager->HandleStartTimeoutTask(abilityRecord);
128     abilityConnectManager->HandleCommandTimeoutTask(abilityRecord);
129     abilityConnectManager->HandleStopTimeoutTask(abilityRecord);
130     AbilityConnectManager::ConnectListType connectlist;
131     abilityConnectManager->HandleTerminateDisconnectTask(connectlist);
132     abilityConnectManager->DispatchInactive(abilityRecord, intParam);
133     abilityConnectManager->DispatchTerminate(abilityRecord);
134     abilityConnectManager->ConnectAbility(abilityRecord);
135     abilityConnectManager->CommandAbility(abilityRecord);
136     abilityConnectManager->TerminateDone(abilityRecord);
137     abilityConnectManager->IsAbilityConnected(abilityRecord, connectRecordList);
138     std::shared_ptr<ConnectionRecord> connection;
139     abilityConnectManager->RemoveConnectionRecordFromMap(connection);
140     abilityConnectManager->RemoveServiceAbility(abilityRecord);
141     abilityConnectManager->AddConnectDeathRecipient(connect);
142     abilityConnectManager->RemoveConnectDeathRecipient(connect);
143     sptr<IRemoteObject> connectRemoteObject = GetFuzzAbilityToken();
144     wptr<IRemoteObject> remote = connectRemoteObject;
145     abilityConnectManager->OnCallBackDied(remote);
146     abilityConnectManager->HandleCallBackDiedTask(connectRemoteObject);
147     int int32Param = static_cast<int32_t>(GetU32Data(data));
148     abilityConnectManager->OnAbilityDied(abilityRecord, int32Param);
149     abilityConnectManager->OnTimeOut(uint32Param, int64Param);
150     std::shared_ptr<AbilityRecord> ability = GetFuzzAbilityRecord();
151     abilityConnectManager->HandleInactiveTimeout(ability);
152     abilityConnectManager->IsAbilityNeedKeepAlive(abilityRecord);
153     abilityConnectManager->HandleAbilityDiedTask(abilityRecord, int32Param);
154     std::vector<std::string> info;
155     abilityConnectManager->DumpState(info, boolParam, stringParam);
156     abilityConnectManager->DumpStateByUri(info, boolParam, stringParam, info);
157     std::vector<ExtensionRunningInfo> extensionRunningInfo;
158     abilityConnectManager->GetExtensionRunningInfos(intParam, extensionRunningInfo, int32Param, boolParam);
159     std::vector<AbilityRunningInfo> abilityRunningInfo;
160     abilityConnectManager->GetAbilityRunningInfos(abilityRunningInfo, boolParam);
161     abilityConnectManager->GetExtensionRunningInfo(abilityRecord, int32Param, extensionRunningInfo);
162     abilityConnectManager->PauseExtensions();
163     return true;
164 }
165 }
166 
167 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)168 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
169 {
170     /* Run your code on data */
171     if (data == nullptr) {
172         std::cout << "invalid data" << std::endl;
173         return 0;
174     }
175 
176     /* Validate the length of size */
177     if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
178         return 0;
179     }
180 
181     char* ch = static_cast<char*>(malloc(size + 1));
182     if (ch == nullptr) {
183         std::cout << "malloc failed." << std::endl;
184         return 0;
185     }
186 
187     (void)memset_s(ch, size + 1, 0x00, size + 1);
188     if (memcpy_s(ch, size, data, size) != EOK) {
189         std::cout << "copy failed." << std::endl;
190         free(ch);
191         ch = nullptr;
192         return 0;
193     }
194 
195     OHOS::DoSomethingInterestingWithMyAPI(ch, size);
196     free(ch);
197     ch = nullptr;
198     return 0;
199 }
200 
201