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