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 "applifecycledeal_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "app_lifecycle_deal.h"
22 #include "ability_record.h"
23 #include "message_parcel.h"
24 #include "securec.h"
25
26 using namespace OHOS::AAFwk;
27 using namespace OHOS::AppExecFwk;
28
29 namespace OHOS {
30 namespace {
31 constexpr size_t FOO_MAX_LEN = 1024;
32 constexpr size_t U32_AT_SIZE = 4;
33 constexpr size_t OFFSET_ZERO = 24;
34 constexpr size_t OFFSET_ONE = 16;
35 constexpr size_t OFFSET_TWO = 8;
36 }
GetU32Data(const char * ptr)37 uint32_t GetU32Data(const char* ptr)
38 {
39 // convert fuzz input data to an integer
40 return (ptr[0] << OFFSET_ZERO) | (ptr[1] << OFFSET_ONE) | (ptr[2] << OFFSET_TWO) | ptr[3];
41 }
GetFuzzAbilityToken()42 sptr<Token> GetFuzzAbilityToken()
43 {
44 sptr<Token> token = nullptr;
45
46 AbilityRequest abilityRequest;
47 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
48 abilityRequest.abilityInfo.name = "MainAbility";
49 abilityRequest.abilityInfo.type = AbilityType::PAGE;
50 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
51 if (abilityRecord) {
52 token = abilityRecord->GetToken();
53 }
54
55 return token;
56 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)57 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
58 {
59 AppLifeCycleDeal appLifeCycleDeal;
60 sptr<IAppScheduler> thread = nullptr;
61 appLifeCycleDeal.SetApplicationClient(thread);
62 std::shared_ptr<AbilityRunningRecord> ability = nullptr;
63 appLifeCycleDeal.LaunchAbility(ability);
64 AppLaunchData launchData;
65 Configuration config;
66 appLifeCycleDeal.LaunchApplication(launchData, config);
67 HapModuleInfo abilityStage;
68 appLifeCycleDeal.AddAbilityStage(abilityStage);
69 int32_t timeLevel = static_cast<int32_t>(GetU32Data(data));
70 appLifeCycleDeal.ScheduleTrimMemory(timeLevel);
71 int32_t level = static_cast<int32_t>(GetU32Data(data));
72 appLifeCycleDeal.ScheduleMemoryLevel(level);
73 sptr<IRemoteObject> token = GetFuzzAbilityToken();
74 appLifeCycleDeal.ScheduleCleanAbility(token);
75 Want want;
76 std::string bundleName(data, size);
77 appLifeCycleDeal.ScheduleAcceptWant(want, bundleName);
78 sptr<IQuickFixCallback> callback = nullptr;
79 int32_t recordId = 0;
80 appLifeCycleDeal.NotifyLoadRepairPatch(bundleName, callback, recordId);
81 appLifeCycleDeal.NotifyHotReloadPage(callback, recordId);
82 appLifeCycleDeal.NotifyUnLoadRepairPatch(bundleName, callback, recordId);
83 appLifeCycleDeal.GetApplicationClient();
84 appLifeCycleDeal.LowMemoryWarning();
85 appLifeCycleDeal.ScheduleForegroundRunning();
86 appLifeCycleDeal.ScheduleBackgroundRunning();
87 appLifeCycleDeal.ScheduleProcessSecurityExit();
88 appLifeCycleDeal.ScheduleTerminate();
89 return (appLifeCycleDeal.UpdateConfiguration(config) == 0);
90 }
91 }
92
93 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)94 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
95 {
96 /* Run your code on data */
97 if (data == nullptr) {
98 std::cout << "invalid data" << std::endl;
99 return 0;
100 }
101
102 /* Validate the length of size */
103 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
104 return 0;
105 }
106
107 char* ch = (char *)malloc(size + 1);
108 if (ch == nullptr) {
109 std::cout << "malloc failed." << std::endl;
110 return 0;
111 }
112
113 (void)memset_s(ch, size + 1, 0x00, size + 1);
114 if (memcpy_s(ch, size, data, size) != EOK) {
115 std::cout << "copy failed." << std::endl;
116 free(ch);
117 ch = nullptr;
118 return 0;
119 }
120
121 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
122 free(ch);
123 ch = nullptr;
124 return 0;
125 }
126