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 size_t FOO_MAX_LEN = 1024;
34 constexpr uint8_t ENABLE = 2;
35 constexpr size_t U32_AT_SIZE = 4;
36 class AbilityConnectCallback : public AbilityConnectionStub {
37 public:
38 AbilityConnectCallback() = default;
39 virtual ~AbilityConnectCallback() = default;
OnAbilityConnectDone(const AppExecFwk::ElementName & element,const sptr<IRemoteObject> & remoteObject,int resultCode)40 void OnAbilityConnectDone(
41 const AppExecFwk::ElementName& element, const sptr<IRemoteObject>& remoteObject, int resultCode) override
42 {}
OnAbilityDisconnectDone(const AppExecFwk::ElementName & element,int resultCode)43 void OnAbilityDisconnectDone(const AppExecFwk::ElementName& element, int resultCode) override
44 {}
45 };
46 }
47
GetU32Data(const char * ptr)48 uint32_t GetU32Data(const char* ptr)
49 {
50 // convert fuzz input data to an integer
51 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
52 }
53
GetFuzzAbilityRecord()54 std::shared_ptr<AbilityRecord> GetFuzzAbilityRecord()
55 {
56 sptr<Token> token = nullptr;
57 AbilityRequest abilityRequest;
58 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
59 abilityRequest.abilityInfo.name = "MainAbility";
60 abilityRequest.abilityInfo.type = AbilityType::DATA;
61 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
62 if (!abilityRecord) {
63 return nullptr;
64 }
65 return abilityRecord;
66 }
67
GetFuzzAbilityToken()68 sptr<Token> GetFuzzAbilityToken()
69 {
70 sptr<Token> token = nullptr;
71 std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
72 if (abilityRecord) {
73 token = abilityRecord->GetToken();
74 }
75 return token;
76 }
77
DoSomethingInterestingWithMyAPI(const char * data,size_t size)78 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
79 {
80 int intParam = static_cast<int>(GetU32Data(data));
81 std::shared_ptr<AbilityConnectManager> abilityConnectManager = std::make_shared<AbilityConnectManager>(intParam);
82 AbilityRequest abilityRequest;
83 abilityConnectManager->StartAbility(abilityRequest);
84 sptr<IRemoteObject> token = GetFuzzAbilityToken();
85 abilityConnectManager->TerminateAbility(token);
86 abilityConnectManager->StopServiceAbility(abilityRequest);
87 abilityConnectManager->StartAbilityLocked(abilityRequest);
88 abilityConnectManager->TerminateAbilityLocked(token);
89 abilityConnectManager->StopServiceAbilityLocked(abilityRequest);
90 bool boolParam = *data % ENABLE;
91 std::shared_ptr<AbilityRecord> targetService = GetFuzzAbilityRecord();
92 abilityConnectManager->GetOrCreateServiceRecord(abilityRequest, boolParam, targetService, boolParam);
93 const sptr<IAbilityConnection> connect = new AbilityConnectCallback();
94 std::list<std::shared_ptr<ConnectionRecord>> connectRecordList;
95 abilityConnectManager->GetConnectRecordListFromMap(connect, connectRecordList);
96 sptr<IRemoteObject> callerToken = GetFuzzAbilityToken();
97 abilityConnectManager->ConnectAbilityLocked(abilityRequest, connect, callerToken);
98 abilityConnectManager->DisconnectAbilityLocked(connect);
99 sptr<IAbilityScheduler> scheduler = nullptr;
100 abilityConnectManager->AttachAbilityThreadLocked(scheduler, token);
101 AppInfo appInfo;
102 abilityConnectManager->OnAppStateChanged(appInfo);
103 abilityConnectManager->AbilityTransitionDone(token, intParam);
104 sptr<IRemoteObject> remoteObject = nullptr;
105 abilityConnectManager->ScheduleConnectAbilityDoneLocked(token, remoteObject);
106 abilityConnectManager->ScheduleDisconnectAbilityDoneLocked(token);
107 abilityConnectManager->ScheduleCommandAbilityDoneLocked(token);
108 std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
109 abilityConnectManager->CompleteCommandAbility(abilityRecord);
110 std::string stringParam(data, size);
111 abilityConnectManager->GetServiceRecordByElementName(stringParam);
112 abilityConnectManager->GetExtensionByTokenFromServiceMap(token);
113 sptr<IAbilityConnection> callback = new AbilityConnectCallback();
114 abilityConnectManager->GetConnectRecordListByCallback(callback);
115 int64_t int64Param = static_cast<int64_t>(GetU32Data(data));
116 abilityConnectManager->GetAbilityRecordById(int64Param);
117 abilityConnectManager->LoadAbility(abilityRecord);
118 uint32_t uint32Param = GetU32Data(data);
119 abilityConnectManager->PostTimeOutTask(abilityRecord, uint32Param);
120 abilityConnectManager->HandleStartTimeoutTask(abilityRecord, intParam);
121 abilityConnectManager->HandleCommandTimeoutTask(abilityRecord);
122 abilityConnectManager->StartRootLauncher(abilityRecord);
123 abilityConnectManager->HandleStopTimeoutTask(abilityRecord);
124 AbilityConnectManager::ConnectListType connectlist;
125 abilityConnectManager->HandleTerminateDisconnectTask(connectlist);
126 abilityConnectManager->DispatchInactive(abilityRecord, intParam);
127 abilityConnectManager->DispatchTerminate(abilityRecord);
128 abilityConnectManager->ConnectAbility(abilityRecord);
129 abilityConnectManager->CommandAbility(abilityRecord);
130 abilityConnectManager->TerminateDone(abilityRecord);
131 abilityConnectManager->IsAbilityConnected(abilityRecord, connectRecordList);
132 std::shared_ptr<ConnectionRecord> connection;
133 abilityConnectManager->RemoveConnectionRecordFromMap(connection);
134 abilityConnectManager->RemoveServiceAbility(abilityRecord);
135 abilityConnectManager->AddConnectDeathRecipient(connect);
136 abilityConnectManager->RemoveConnectDeathRecipient(connect);
137 sptr<IRemoteObject> connectRemoteObject = GetFuzzAbilityToken();
138 wptr<IRemoteObject> remote = connectRemoteObject;
139 abilityConnectManager->OnCallBackDied(remote);
140 abilityConnectManager->HandleCallBackDiedTask(connectRemoteObject);
141 int int32Param = static_cast<int32_t>(GetU32Data(data));
142 abilityConnectManager->OnAbilityDied(abilityRecord, int32Param);
143 abilityConnectManager->OnTimeOut(uint32Param, int64Param);
144 std::shared_ptr<AbilityRecord> ability = GetFuzzAbilityRecord();
145 abilityConnectManager->HandleInactiveTimeout(ability);
146 abilityConnectManager->IsAbilityNeedKeepAlive(abilityRecord);
147 abilityConnectManager->HandleAbilityDiedTask(abilityRecord, int32Param);
148 std::vector<std::string> info;
149 abilityConnectManager->DumpState(info, boolParam, stringParam);
150 abilityConnectManager->DumpStateByUri(info, boolParam, stringParam, info);
151 std::vector<ExtensionRunningInfo> extensionRunningInfo;
152 abilityConnectManager->GetExtensionRunningInfos(intParam, extensionRunningInfo, int32Param, boolParam);
153 std::vector<AbilityRunningInfo> abilityRunningInfo;
154 abilityConnectManager->GetAbilityRunningInfos(abilityRunningInfo, boolParam);
155 abilityConnectManager->GetExtensionRunningInfo(abilityRecord, int32Param, extensionRunningInfo);
156 abilityConnectManager->StopAllExtensions();
157 return true;
158 }
159 }
160
161 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)162 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
163 {
164 /* Run your code on data */
165 if (data == nullptr) {
166 std::cout << "invalid data" << std::endl;
167 return 0;
168 }
169
170 /* Validate the length of size */
171 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
172 return 0;
173 }
174
175 char* ch = (char*)malloc(size + 1);
176 if (ch == nullptr) {
177 std::cout << "malloc failed." << std::endl;
178 return 0;
179 }
180
181 (void)memset_s(ch, size + 1, 0x00, size + 1);
182 if (memcpy_s(ch, size, data, size) != EOK) {
183 std::cout << "copy failed." << std::endl;
184 free(ch);
185 ch = nullptr;
186 return 0;
187 }
188
189 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
190 free(ch);
191 ch = nullptr;
192 return 0;
193 }
194
195