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 "apprunningrecordfirst_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "app_running_record.h"
23 #undef private
24
25 #include "ability_record.h"
26 #include "app_running_manager.h"
27 #include "parcel.h"
28 #include "securec.h"
29 #include "want.h"
30
31 using namespace OHOS::AAFwk;
32 using namespace OHOS::AppExecFwk;
33
34 namespace OHOS {
35 namespace {
36 constexpr size_t FOO_MAX_LEN = 1024;
37 constexpr size_t U32_AT_SIZE = 4;
38 constexpr uint8_t ENABLE = 2;
39 }
GetU32Data(const char * ptr)40 uint32_t GetU32Data(const char* ptr)
41 {
42 // convert fuzz input data to an integer
43 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
44 }
GetFuzzAbilityToken()45 sptr<Token> GetFuzzAbilityToken()
46 {
47 sptr<Token> token = nullptr;
48 AbilityRequest abilityRequest;
49 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
50 abilityRequest.abilityInfo.name = "MainAbility";
51 abilityRequest.abilityInfo.type = AbilityType::PAGE;
52 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
53 if (abilityRecord) {
54 token = abilityRecord->GetToken();
55 }
56 return token;
57 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)58 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
59 {
60 pid_t hostPid = static_cast<pid_t>(GetU32Data(data));
61 std::string renderParam(data, size);
62 int32_t ipcFd = static_cast<int32_t>(GetU32Data(data));
63 int32_t sharedFd = static_cast<int32_t>(GetU32Data(data));
64 int32_t crashFd = static_cast<int32_t>(GetU32Data(data));
65 std::shared_ptr<AppRunningRecord> host;
66 RenderRecord *renderRecord =
67 new RenderRecord(hostPid, renderParam, ipcFd, sharedFd, crashFd, host);
68 renderRecord->RegisterDeathRecipient();
69 renderRecord->CreateRenderRecord(hostPid, renderParam, ipcFd, sharedFd,
70 crashFd, host);
71 pid_t pid = static_cast<pid_t>(GetU32Data(data));
72 renderRecord->SetPid(pid);
73 sptr<IRenderScheduler> scheduler;
74 renderRecord->SetScheduler(scheduler);
75 sptr<AppDeathRecipient> recipient;
76 renderRecord->SetDeathRecipient(recipient);
77 renderRecord->SetHostUid(hostPid);
78 std::string hostBundleName(data, size);
79 renderRecord->SetHostBundleName(hostBundleName);
80 renderRecord->GetPid();
81 renderRecord->GetHostPid();
82 renderRecord->GetHostUid();
83 renderRecord->GetHostBundleName();
84 renderRecord->GetRenderParam();
85 renderRecord->GetIpcFd();
86 renderRecord->GetSharedFd();
87 renderRecord->GetCrashFd();
88 renderRecord->GetHostRecord();
89 renderRecord->GetScheduler();
90 std::shared_ptr<ApplicationInfo> appInfo;
91 int32_t recordId = static_cast<int32_t>(GetU32Data(data));
92 std::string processName(data, size);
93 AppRunningRecord* appRecord = new AppRunningRecord(appInfo, recordId, processName);
94 appRecord->appLifeCycleDeal_ = std::make_shared<AppLifeCycleDeal>();
95 sptr<IAppScheduler> thread;
96 appRecord->SetApplicationClient(thread);
97 std::string signCode(data, size);
98 appRecord->SetSignCode(signCode);
99 std::string jointUserId(data, size);
100 appRecord->SetJointUserId(jointUserId);
101 int32_t uid = static_cast<int32_t>(GetU32Data(data));
102 appRecord->SetUid(uid);
103 ApplicationState state = ApplicationState::APP_STATE_CREATE;
104 appRecord->SetState(state);
105 std::weak_ptr<AppMgrServiceInner> inner;
106 appRecord->SetAppMgrServiceInner(inner);
107 std::shared_ptr<AMSEventHandler> handler;
108 appRecord->SetEventHandler(handler);
109 bool isKeepAlive = *data % ENABLE;
110 bool isEmptyKeepAliveApp = *data % ENABLE;
111 appRecord->SetKeepAliveAppState(isKeepAlive, isEmptyKeepAliveApp);
112 bool isStageBasedModel = *data % ENABLE;
113 appRecord->SetStageModelState(isStageBasedModel);
114 int count = static_cast<int>(GetU32Data(data));
115 appRecord->SetRestartResidentProcCount(count);
116 std::shared_ptr<UserTestRecord> testRecord;
117 appRecord->SetUserTestInfo(testRecord);
118 std::shared_ptr<RenderRecord> record;
119 appRecord->AddRenderRecord(record);
120 AppSpawnStartMsg appMsg;
121 appRecord->SetStartMsg(appMsg);
122 bool isDebugApp = *data % ENABLE;
123 appRecord->SetDebugApp(isDebugApp);
124 int32_t appIndex = static_cast<int32_t>(GetU32Data(data));
125 appRecord->SetAppIndex(appIndex);
126 bool securityFlag = *data % ENABLE;
127 appRecord->SetSecurityFlag(securityFlag);
128 appRecord->SetTerminating();
129 appRecord->SetKilling();
130 appRecord->GetSignCode();
131 appRecord->GetJointUserId();
132 appRecord->GetUid();
133 appRecord->GetState();
134 appRecord->GetApplicationClient();
135 appRecord->IsTerminating();
136 appRecord->IsKeepAliveApp();
137 appRecord->IsEmptyKeepAliveApp();
138 appRecord->GetRestartResidentProcCount();
139 appRecord->GetUserTestInfo();
140 appRecord->GetRenderRecordMap();
141 appRecord->GetStartMsg();
142 appRecord->GetAppIndex();
143 appRecord->GetSecurityFlag();
144 return appRecord->IsKilling();
145 }
146 }
147
148 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)149 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
150 {
151 /* Run your code on data */
152 if (data == nullptr) {
153 std::cout << "invalid data" << std::endl;
154 return 0;
155 }
156
157 /* Validate the length of size */
158 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
159 return 0;
160 }
161
162 char* ch = (char*)malloc(size + 1);
163 if (ch == nullptr) {
164 std::cout << "malloc failed." << std::endl;
165 return 0;
166 }
167
168 (void)memset_s(ch, size + 1, 0x00, size + 1);
169 if (memcpy_s(ch, size, data, size) != EOK) {
170 std::cout << "copy failed." << std::endl;
171 free(ch);
172 ch = nullptr;
173 return 0;
174 }
175
176 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
177 free(ch);
178 ch = nullptr;
179 return 0;
180 }
181