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 "appmgrservicefirst_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "app_mgr_service.h"
23 #undef private
24
25 #include "ability_record.h"
26 #include "parcel.h"
27 #include "securec.h"
28 #include "want.h"
29
30 using namespace OHOS::AAFwk;
31 using namespace OHOS::AppExecFwk;
32
33 namespace OHOS {
34 namespace {
35 constexpr size_t FOO_MAX_LEN = 1024;
36 constexpr size_t U32_AT_SIZE = 4;
37 constexpr uint8_t ENABLE = 2;
38 }
GetU32Data(const char * ptr)39 uint32_t GetU32Data(const char* ptr)
40 {
41 // convert fuzz input data to an integer
42 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
43 }
GetFuzzAbilityToken()44 sptr<Token> GetFuzzAbilityToken()
45 {
46 sptr<Token> token = nullptr;
47 AbilityRequest abilityRequest;
48 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
49 abilityRequest.abilityInfo.name = "MainAbility";
50 abilityRequest.abilityInfo.type = AbilityType::PAGE;
51 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
52 if (abilityRecord) {
53 token = abilityRecord->GetToken();
54 }
55 return token;
56 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)57 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
58 {
59 AppMgrService* appMgrService = new AppMgrService();
60 std::shared_ptr<AppMgrServiceInner> innerService = std::make_shared<AppMgrServiceInner>();
61 appMgrService->appMgrServiceState_.serviceRunningState = ServiceRunningState::STATE_NOT_START;
62 appMgrService->SetInnerService(innerService);
63 appMgrService->OnStart();
64 sptr<IConfigurationObserver> configurationObserver;
65 appMgrService->RegisterConfigurationObserver(configurationObserver);
66 appMgrService->UnregisterConfigurationObserver(configurationObserver);
67 sptr<IApplicationStateObserver> applicationStateObserver;
68 appMgrService->RegisterApplicationStateObserver(applicationStateObserver);
69 appMgrService->UnregisterApplicationStateObserver(applicationStateObserver);
70 pid_t pid = static_cast<pid_t>(GetU32Data(data));
71 appMgrService->AddAppDeathRecipient(pid);
72 appMgrService->QueryServiceState();
73 int32_t recordId = static_cast<int32_t>(GetU32Data(data));
74 std::string permission(data, size);
75 appMgrService->CheckPermission(recordId, permission);
76 sptr<IRemoteObject> app = nullptr;
77 appMgrService->AttachApplication(app);
78 std::vector<BundleInfo> bundleInfos;
79 appMgrService->StartupResidentProcess(bundleInfos);
80 Parcel wantParcel;
81 Want *want = nullptr;
82 if (wantParcel.WriteBuffer(data, size)) {
83 want = Want::Unmarshalling(wantParcel);
84 }
85 std::string renderParam(data, size);
86 int32_t ipcFd = static_cast<int32_t>(GetU32Data(data));
87 int32_t sharedFd = static_cast<int32_t>(GetU32Data(data));
88 pid_t renderPid = static_cast<pid_t>(GetU32Data(data));
89 appMgrService->StartRenderProcess(renderParam, ipcFd, sharedFd, renderPid);
90 appMgrService->PreStartNWebSpawnProcess();
91 sptr<IRemoteObject> scheduler = nullptr;
92 appMgrService->AttachRenderProcess(scheduler);
93 bool isContinuousTask = *data % ENABLE;
94 appMgrService->SetContinuousTaskProcess(static_cast<int32_t>(pid), isContinuousTask);
95 appMgrService->ApplicationForegrounded(recordId);
96 appMgrService->AddAbilityStageDone(recordId);
97 int fd = static_cast<int>(GetU32Data(data));
98 std::vector<std::u16string> args;
99 appMgrService->Dump(fd, args);
100 std::string result(data, size);
101 appMgrService->Dump(args, result);
102 appMgrService->ShowHelp(result);
103 std::string flag(data, size);
104 appMgrService->ScheduleAcceptWantDone(recordId, *want, flag);
105 Configuration config;
106 appMgrService->UpdateConfiguration(config);
107 appMgrService->GetAmsMgr();
108 std::vector<RunningProcessInfo> info;
109 appMgrService->GetAllRunningProcesses(info);
110 int32_t userId = static_cast<int32_t>(GetU32Data(data));
111 appMgrService->GetProcessRunningInfosByUserId(info, userId);
112 int32_t level = static_cast<int32_t>(GetU32Data(data));
113 appMgrService->NotifyMemoryLevel(level);
114 std::vector<AppStateData> list;
115 appMgrService->GetForegroundApplications(list);
116 std::vector<sptr<IRemoteObject>> tokens;
117 appMgrService->GetAbilityRecordsByProcessID(static_cast<int>(pid), tokens);
118 int status = static_cast<int>(GetU32Data(data));
119 appMgrService->GetRenderProcessTerminationStatus(renderPid, status);
120 appMgrService->GetConfiguration(config);
121 std::string bundleName(data, size);
122 appMgrService->GetAppRunningStateByBundleName(bundleName);
123 sptr<IQuickFixCallback> callback;
124 appMgrService->NotifyLoadRepairPatch(bundleName, callback);
125 appMgrService->NotifyHotReloadPage(bundleName, callback);
126 appMgrService->NotifyUnLoadRepairPatch(bundleName, callback);
127 #ifdef ABILITY_COMMAND_FOR_TEST
128 appMgrService->BlockAppService();
129 #endif
130 appMgrService->ApplicationBackgrounded(recordId);
131 sptr<IRemoteObject> token = GetFuzzAbilityToken();
132 appMgrService->AbilityCleaned(token);
133 appMgrService->ClearUpApplicationData(bundleName);
134 appMgrService->ApplicationTerminated(recordId);
135 std::string msg(data, size);
136 int64_t resultCode = static_cast<int64_t>(GetU32Data(data));
137 appMgrService->FinishUserTest(msg, resultCode, bundleName);
138 appMgrService->OnStop();
139 return appMgrService->IsReady();
140 }
141 }
142
143 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)144 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
145 {
146 /* Run your code on data */
147 if (data == nullptr) {
148 std::cout << "invalid data" << std::endl;
149 return 0;
150 }
151
152 /* Validate the length of size */
153 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
154 return 0;
155 }
156
157 char* ch = (char *)malloc(size + 1);
158 if (ch == nullptr) {
159 std::cout << "malloc failed." << std::endl;
160 return 0;
161 }
162
163 (void)memset_s(ch, size + 1, 0x00, size + 1);
164 if (memcpy_s(ch, size, data, size) != EOK) {
165 std::cout << "copy failed." << std::endl;
166 free(ch);
167 ch = nullptr;
168 return 0;
169 }
170
171 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
172 free(ch);
173 ch = nullptr;
174 return 0;
175 }
176