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 "apprunningmanager_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "app_running_manager.h"
23 #undef private
24
25 #include "ability_record.h"
26 #include "parcel.h"
27 #include "securec.h"
28
29 using namespace OHOS::AAFwk;
30 using namespace OHOS::AppExecFwk;
31
32 namespace OHOS {
33 namespace {
34 constexpr size_t FOO_MAX_LEN = 1024;
35 constexpr size_t U32_AT_SIZE = 4;
36 constexpr uint8_t ENABLE = 2;
37 }
GetU32Data(const char * ptr)38 uint32_t GetU32Data(const char* ptr)
39 {
40 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
41 }
42
GetFuzzAbilityToken()43 sptr<Token> GetFuzzAbilityToken()
44 {
45 sptr<Token> token = nullptr;
46
47 AbilityRequest abilityRequest;
48 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
49 abilityRequest.abilityInfo.name = "MainAbility";
50 abilityRequest.abilityInfo.type = AbilityType::DATA;
51 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
52 if (abilityRecord) {
53 token = abilityRecord->GetToken();
54 }
55
56 return token;
57 }
58
DoSomethingInterestingWithMyAPI(const char * data,size_t size)59 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
60 {
61 AppRunningManager* apprunningmanager = new AppRunningManager();
62 if (!apprunningmanager) {
63 return false;
64 }
65 std::shared_ptr<ApplicationInfo> appInfo = std::make_shared<ApplicationInfo>();
66 std::string processName(data, size);
67 BundleInfo bundleInfo;
68 apprunningmanager->CreateAppRunningRecord(appInfo, processName, bundleInfo);
69
70 std::string appName(data, size);
71 int uid = static_cast<int>(GetU32Data(data));
72 apprunningmanager->CheckAppRunningRecordIsExist(appName, processName, uid, bundleInfo);
73
74 pid_t pid = static_cast<pid_t>(GetU32Data(data));
75 apprunningmanager->GetAppRunningRecordByPid(pid);
76
77 sptr<IRemoteObject> abilityToken = GetFuzzAbilityToken();
78 apprunningmanager->GetAppRunningRecordByAbilityToken(abilityToken);
79
80 std::string bundleName(data, size);
81 std::list<pid_t> pids;
82 apprunningmanager->ProcessExitByBundleName(bundleName, pids);
83
84 int32_t userId = static_cast<int32_t>(GetU32Data(data));
85 apprunningmanager->GetPidsByUserId(userId, pids);
86
87 apprunningmanager->ProcessExitByBundleNameAndUid(bundleName, uid, pids);
88 apprunningmanager->ProcessExitByPid(pid);
89
90 wptr<IRemoteObject> remote = nullptr;
91 apprunningmanager->OnRemoteDied(remote);
92 apprunningmanager->GetAppRunningRecordMap();
93
94 int32_t recordId = static_cast<int32_t>(GetU32Data(data));
95 apprunningmanager->RemoveAppRunningRecordById(recordId);
96 apprunningmanager->ClearAppRunningRecordMap();
97
98 int64_t eventId = static_cast<int64_t>(GetU32Data(data));
99 apprunningmanager->HandleTerminateTimeOut(eventId);
100 apprunningmanager->GetTerminatingAppRunningRecord(abilityToken);
101 apprunningmanager->GetAbilityRunningRecord(eventId);
102 apprunningmanager->GetAppRunningRecord(eventId);
103
104 sptr<IRemoteObject> token = nullptr;
105 apprunningmanager->HandleAbilityAttachTimeOut(token);
106 apprunningmanager->PrepareTerminate(token);
107
108 std::shared_ptr<AppMgrServiceInner> appMgrServiceInner = nullptr;
109 bool clearMissionFlag = *data % ENABLE;
110 apprunningmanager->TerminateAbility(token, clearMissionFlag, appMgrServiceInner);
111
112 RunningProcessInfo info;
113 apprunningmanager->GetRunningProcessInfoByToken(token, info);
114
115 std::vector<AppStateData> list;
116 apprunningmanager->GetForegroundApplications(list);
117 apprunningmanager->HandleAddAbilityStageTimeOut(eventId);
118 apprunningmanager->HandleStartSpecifiedAbilityTimeOut(eventId);
119
120 Configuration config;
121 apprunningmanager->UpdateConfiguration(config);
122
123 int32_t level = static_cast<int32_t>(GetU32Data(data));
124 apprunningmanager->NotifyMemoryLevel(level);
125 apprunningmanager->GetAppRunningRecordByRenderPid(pid);
126 apprunningmanager->OnRemoteRenderDied(remote);
127 apprunningmanager->GetAppRunningStateByBundleName(bundleName);
128
129 sptr<IQuickFixCallback> callback = nullptr;
130 apprunningmanager->NotifyLoadRepairPatch(bundleName, callback);
131 apprunningmanager->NotifyHotReloadPage(bundleName, callback);
132 apprunningmanager->NotifyUnLoadRepairPatch(bundleName, callback);
133
134 std::shared_ptr<ApplicationInfo> infoPtr = std::make_shared<ApplicationInfo>();
135 AppRunningRecord apprunningrecord(infoPtr, recordId, processName);
136 apprunningmanager->IsApplicationFirstForeground(apprunningrecord);
137 apprunningmanager->IsApplicationBackground(bundleName);
138 apprunningmanager->IsApplicationFirstFocused(apprunningrecord);
139 apprunningmanager->IsApplicationUnfocused(bundleName);
140
141 return apprunningmanager->IsApplicationUnfocused(bundleName);
142 }
143 }
144
145 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)146 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
147 {
148 /* Run your code on data */
149 if (data == nullptr) {
150 std::cout << "invalid data" << std::endl;
151 return 0;
152 }
153
154 /* Validate the length of size */
155 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
156 return 0;
157 }
158
159 char* ch = (char *)malloc(size + 1);
160 if (ch == nullptr) {
161 std::cout << "malloc failed." << std::endl;
162 return 0;
163 }
164
165 (void)memset_s(ch, size + 1, 0x00, size + 1);
166 if (memcpy_s(ch, size, data, size) != EOK) {
167 std::cout << "copy failed." << std::endl;
168 free(ch);
169 ch = nullptr;
170 return 0;
171 }
172
173 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
174 free(ch);
175 ch = nullptr;
176 return 0;
177 }
178