1 /*
2 * Copyright (c) 2022-2023 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 "appmgrrest_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "app_death_recipient.h"
22 #include "app_mgr_service_event_handler.h"
23 #include "app_process_manager.h"
24 #define private public
25 #include "app_spawn_client.h"
26 #include "app_spawn_msg_wrapper.h"
27 #undef private
28 #include "app_spawn_socket.h"
29 #include "remote_client_manager.h"
30 #include "window_focus_changed_listener.h"
31 #include "ability_record.h"
32 #include "parcel.h"
33 #include "securec.h"
34
35 using namespace OHOS::AAFwk;
36 using namespace OHOS::AppExecFwk;
37
38 namespace OHOS {
39 namespace {
40 constexpr int INPUT_ZERO = 0;
41 constexpr int INPUT_ONE = 1;
42 constexpr int INPUT_THREE = 3;
43 constexpr size_t FOO_MAX_LEN = 1024;
44 constexpr size_t U32_AT_SIZE = 4;
45 constexpr uint8_t ENABLE = 2;
46 constexpr size_t OFFSET_ZERO = 24;
47 constexpr size_t OFFSET_ONE = 16;
48 constexpr size_t OFFSET_TWO = 8;
49 }
GetU32Data(const char * ptr)50 uint32_t GetU32Data(const char* ptr)
51 {
52 // convert fuzz input data to an integer
53 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
54 ptr[INPUT_THREE];
55 }
GetFuzzAbilityToken()56 sptr<Token> GetFuzzAbilityToken()
57 {
58 sptr<Token> token = nullptr;
59
60 AbilityRequest abilityRequest;
61 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
62 abilityRequest.abilityInfo.name = "MainAbility";
63 abilityRequest.abilityInfo.type = AbilityType::PAGE;
64 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
65 if (abilityRecord) {
66 token = abilityRecord->GetToken();
67 }
68
69 return token;
70 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)71 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
72 {
73 sptr<AppDeathRecipient> appDeathRecipient = new AppDeathRecipient();
74 wptr<IRemoteObject> remote;
75 appDeathRecipient->OnRemoteDied(remote);
76 std::shared_ptr<AAFwk::TaskHandlerWrap> handler;
77 appDeathRecipient->SetTaskHandler(handler);
78 std::shared_ptr<AppMgrServiceInner> serviceInner;
79 appDeathRecipient->SetAppMgrServiceInner(serviceInner);
80 bool isRenderProcess = *data % ENABLE;
81 appDeathRecipient->SetIsRenderProcess(isRenderProcess);
82 AppProcessManager appProcessManager;
83 std::shared_ptr<AppTaskInfo> appTaskInfo;
84 appProcessManager.RemoveAppFromRecentList(appTaskInfo);
85 std::string appName(data, size);
86 std::string processName(data, size);
87 pid_t pid = static_cast<pid_t>(GetU32Data(data));
88 int32_t recordId = static_cast<int32_t>(GetU32Data(data));
89 appProcessManager.AddAppToRecentList(appName, processName, pid, recordId);
90 appProcessManager.PushAppFront(recordId);
91 appProcessManager.GetAppTaskInfoById(recordId);
92 std::string bundleName(data, size);
93 appProcessManager.GetAppTaskInfoByProcessName(appName, bundleName);
94 appProcessManager.GetRecentAppList();
95 appProcessManager.RemoveAppFromRecentListById(recordId);
96 appProcessManager.ClearRecentAppList();
97 AppSpawnClient appSpawnClient;
98 appSpawnClient.OpenConnection();
99 std::shared_ptr<AppSpawnSocket> socket;
100 appSpawnClient.SetSocket(socket);
101 appSpawnClient.PreStartNWebSpawnProcess();
102 appSpawnClient.PreStartNWebSpawnProcessImpl();
103 AppSpawnStartMsg startMsg;
104 appSpawnClient.StartProcess(startMsg, pid);
105 int status = static_cast<int>(GetU32Data(data));
106 appSpawnClient.GetRenderProcessTerminationStatus(startMsg, status);
107 appSpawnClient.QueryConnectionState();
108 appSpawnClient.CloseConnection();
109 AppSpawnMsgWrapper appSpawnMsgWrapper;
110 appSpawnMsgWrapper.AssembleMsg(startMsg);
111 appSpawnMsgWrapper.VerifyMsg(startMsg);
112 appSpawnMsgWrapper.DumpMsg();
113 appSpawnMsgWrapper.FreeMsg();
114 AppSpawnSocket appSpawnSocket;
115 std::shared_ptr<OHOS::AppSpawn::ClientSocket> clientSocket;
116 appSpawnSocket.SetClientSocket(clientSocket);
117 appSpawnSocket.OpenAppSpawnConnection();
118 int32_t len = appSpawnMsgWrapper.GetMsgLength();
119 appSpawnSocket.WriteMessage(appSpawnMsgWrapper.GetMsgBuf(), len);
120 appSpawnSocket.ReadMessage(reinterpret_cast<void*>(*data), len);
121 appSpawnSocket.CloseAppSpawnConnection();
122 RemoteClientManager remoteClientManager;
123 std::shared_ptr<BundleMgrHelper> bundleManagerHelper = nullptr;
124 remoteClientManager.SetBundleManagerHelper(bundleManagerHelper);
125 std::shared_ptr<AppSpawnClient> appSpawnClientptr;
126 remoteClientManager.SetSpawnClient(appSpawnClientptr);
127 remoteClientManager.GetSpawnClient();
128 remoteClientManager.GetBundleManagerHelper();
129 remoteClientManager.GetNWebSpawnClient();
130 std::shared_ptr<AppMgrServiceInner> owner;
131 WindowFocusChangedListener windowFocusChangedListener(owner, handler);
132 sptr<Rosen::FocusChangeInfo> focusChangeInfo = nullptr;
133 windowFocusChangedListener.OnFocused(focusChangeInfo);
134 windowFocusChangedListener.OnUnfocused(focusChangeInfo);
135 return (appSpawnClient.StartProcessImpl(startMsg, pid) != 0);
136 }
137 }
138
139 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)140 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
141 {
142 /* Run your code on data */
143 if (data == nullptr) {
144 std::cout << "invalid data" << std::endl;
145 return 0;
146 }
147
148 /* Validate the length of size */
149 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
150 return 0;
151 }
152
153 char* ch = (char*)malloc(size + 1);
154 if (ch == nullptr) {
155 std::cout << "malloc failed." << std::endl;
156 return 0;
157 }
158
159 (void)memset_s(ch, size + 1, 0x00, size + 1);
160 if (memcpy_s(ch, size, data, size) != EOK) {
161 std::cout << "copy failed." << std::endl;
162 free(ch);
163 ch = nullptr;
164 return 0;
165 }
166
167 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
168 free(ch);
169 ch = nullptr;
170 return 0;
171 }
172
173