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 uint8_t ENABLE = 2;
37 constexpr size_t U32_AT_SIZE = 4;
38 constexpr size_t OFFSET_ZERO = 24;
39 constexpr size_t OFFSET_ONE = 16;
40 constexpr size_t OFFSET_TWO = 8;
41 class AbilityConnectCallback : public AbilityConnectionStub {
42 public:
43 AbilityConnectCallback() = default;
44 virtual ~AbilityConnectCallback() = default;
OnAbilityConnectDone(const AppExecFwk::ElementName & element,const sptr<IRemoteObject> & remoteObject,int resultCode)45 void OnAbilityConnectDone(
46 const AppExecFwk::ElementName& element, const sptr<IRemoteObject>& remoteObject, int resultCode) override
47 {}
OnAbilityDisconnectDone(const AppExecFwk::ElementName & element,int resultCode)48 void OnAbilityDisconnectDone(const AppExecFwk::ElementName& element, int resultCode) override
49 {}
50 };
51 }
52
GetU32Data(const char * ptr)53 uint32_t GetU32Data(const char* ptr)
54 {
55 // convert fuzz input data to an integer
56 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
57 ptr[INPUT_THREE];
58 }
59
GetFuzzAbilityRecord()60 std::shared_ptr<AbilityRecord> GetFuzzAbilityRecord()
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 return nullptr;
70 }
71 return abilityRecord;
72 }
73
GetFuzzAbilityToken()74 sptr<Token> GetFuzzAbilityToken()
75 {
76 sptr<Token> token = nullptr;
77 std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
78 if (abilityRecord) {
79 token = abilityRecord->GetToken();
80 }
81 return token;
82 }
83
DoSomethingInterestingWithMyAPI(const char * data,size_t size)84 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
85 {
86 int intParam = static_cast<int>(GetU32Data(data));
87 std::shared_ptr<AbilityConnectManager> abilityConnectManager = std::make_shared<AbilityConnectManager>(intParam);
88 AbilityRequest abilityRequest;
89 abilityConnectManager->StartAbility(abilityRequest);
90 sptr<IRemoteObject> token = GetFuzzAbilityToken();
91 abilityConnectManager->TerminateAbility(token);
92 abilityConnectManager->StopServiceAbility(abilityRequest);
93 abilityConnectManager->StartAbilityLocked(abilityRequest);
94 abilityConnectManager->TerminateAbilityLocked(token);
95 abilityConnectManager->StopServiceAbilityLocked(abilityRequest);
96 bool boolParam = *data % ENABLE;
97 std::shared_ptr<AbilityRecord> targetService = GetFuzzAbilityRecord();
98 abilityConnectManager->GetOrCreateServiceRecord(abilityRequest, boolParam, targetService, boolParam);
99 const sptr<IAbilityConnection> connect = new AbilityConnectCallback();
100 std::list<std::shared_ptr<ConnectionRecord>> connectRecordList;
101 abilityConnectManager->GetConnectRecordListFromMap(connect, connectRecordList);
102 sptr<IRemoteObject> callerToken = GetFuzzAbilityToken();
103 abilityConnectManager->ConnectAbilityLocked(abilityRequest, connect, callerToken);
104 abilityConnectManager->DisconnectAbilityLocked(connect);
105 sptr<IAbilityScheduler> scheduler = nullptr;
106 abilityConnectManager->AttachAbilityThreadLocked(scheduler, token);
107 AppInfo appInfo;
108 abilityConnectManager->OnAppStateChanged(appInfo);
109 abilityConnectManager->AbilityTransitionDone(token, intParam);
110 sptr<IRemoteObject> remoteObject = nullptr;
111 abilityConnectManager->ScheduleConnectAbilityDoneLocked(token, remoteObject);
112 abilityConnectManager->ScheduleDisconnectAbilityDoneLocked(token);
113 abilityConnectManager->ScheduleCommandAbilityDoneLocked(token);
114 std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
115 abilityConnectManager->CompleteCommandAbility(abilityRecord);
116 std::string stringParam(data, size);
117 abilityConnectManager->GetServiceRecordByElementName(stringParam);
118 abilityConnectManager->GetExtensionByTokenFromServiceMap(token);
119 sptr<IAbilityConnection> callback = new AbilityConnectCallback();
120 abilityConnectManager->GetConnectRecordListByCallback(callback);
121 int64_t int64Param = static_cast<int64_t>(GetU32Data(data));
122 abilityConnectManager->GetAbilityRecordById(int64Param);
123 abilityConnectManager->LoadAbility(abilityRecord);
124 uint32_t uint32Param = GetU32Data(data);
125 abilityConnectManager->PostTimeOutTask(abilityRecord, uint32Param);
126 abilityConnectManager->HandleStartTimeoutTask(abilityRecord);
127 abilityConnectManager->HandleCommandTimeoutTask(abilityRecord);
128 abilityConnectManager->HandleStopTimeoutTask(abilityRecord);
129 AbilityConnectManager::ConnectListType connectlist;
130 abilityConnectManager->HandleTerminateDisconnectTask(connectlist);
131 abilityConnectManager->DispatchInactive(abilityRecord, intParam);
132 abilityConnectManager->DispatchTerminate(abilityRecord);
133 abilityConnectManager->ConnectAbility(abilityRecord);
134 abilityConnectManager->CommandAbility(abilityRecord);
135 abilityConnectManager->TerminateDone(abilityRecord);
136 abilityConnectManager->IsAbilityConnected(abilityRecord, connectRecordList);
137 std::shared_ptr<ConnectionRecord> connection;
138 abilityConnectManager->RemoveConnectionRecordFromMap(connection);
139 abilityConnectManager->RemoveServiceAbility(abilityRecord);
140 abilityConnectManager->AddConnectDeathRecipient(connect);
141 abilityConnectManager->RemoveConnectDeathRecipient(connect);
142 sptr<IRemoteObject> connectRemoteObject = GetFuzzAbilityToken();
143 wptr<IRemoteObject> remote = connectRemoteObject;
144 abilityConnectManager->OnCallBackDied(remote);
145 abilityConnectManager->HandleCallBackDiedTask(connectRemoteObject);
146 int int32Param = static_cast<int32_t>(GetU32Data(data));
147 abilityConnectManager->OnAbilityDied(abilityRecord, int32Param);
148 abilityConnectManager->OnTimeOut(uint32Param, int64Param);
149 std::shared_ptr<AbilityRecord> ability = GetFuzzAbilityRecord();
150 abilityConnectManager->HandleInactiveTimeout(ability);
151 abilityConnectManager->IsAbilityNeedKeepAlive(abilityRecord);
152 abilityConnectManager->HandleAbilityDiedTask(abilityRecord, int32Param);
153 std::vector<std::string> info;
154 abilityConnectManager->DumpState(info, boolParam, stringParam);
155 abilityConnectManager->DumpStateByUri(info, boolParam, stringParam, info);
156 std::vector<ExtensionRunningInfo> extensionRunningInfo;
157 abilityConnectManager->GetExtensionRunningInfos(intParam, extensionRunningInfo, int32Param, boolParam);
158 std::vector<AbilityRunningInfo> abilityRunningInfo;
159 abilityConnectManager->GetAbilityRunningInfos(abilityRunningInfo, boolParam);
160 abilityConnectManager->GetExtensionRunningInfo(abilityRecord, int32Param, extensionRunningInfo);
161 abilityConnectManager->PauseExtensions();
162 return true;
163 }
164 }
165
166 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)167 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
168 {
169 /* Run your code on data */
170 if (data == nullptr) {
171 std::cout << "invalid data" << std::endl;
172 return 0;
173 }
174
175 /* Validate the length of size */
176 if (size < OHOS::U32_AT_SIZE) {
177 return 0;
178 }
179
180 char* ch = static_cast<char*>(malloc(size + 1));
181 if (ch == nullptr) {
182 std::cout << "malloc failed." << std::endl;
183 return 0;
184 }
185
186 (void)memset_s(ch, size + 1, 0x00, size + 1);
187 if (memcpy_s(ch, size, data, size) != EOK) {
188 std::cout << "copy failed." << std::endl;
189 free(ch);
190 ch = nullptr;
191 return 0;
192 }
193
194 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
195 free(ch);
196 ch = nullptr;
197 return 0;
198 }
199
200