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 "modulerunningrecord_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "module_running_record.h"
23 #undef private
24 #include "ability_record.h"
25 #include "message_parcel.h"
26 #include "securec.h"
27
28 using namespace OHOS::AAFwk;
29 using namespace OHOS::AppExecFwk;
30
31 namespace OHOS {
32 namespace {
33 constexpr size_t FOO_MAX_LEN = 1024;
34 constexpr size_t U32_AT_SIZE = 4;
35 constexpr uint8_t ENABLE = 2;
36 constexpr size_t OFFSET_ZERO = 24;
37 constexpr size_t OFFSET_ONE = 16;
38 constexpr size_t OFFSET_TWO = 8;
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] << OFFSET_ZERO) | (ptr[1] << OFFSET_ONE) | (ptr[2] << OFFSET_TWO) | ptr[3];
44 }
GetFuzzAbilityToken()45 sptr<Token> GetFuzzAbilityToken()
46 {
47 sptr<Token> token = nullptr;
48
49 AbilityRequest abilityRequest;
50 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
51 abilityRequest.abilityInfo.name = "MainAbility";
52 abilityRequest.abilityInfo.type = AbilityType::PAGE;
53 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
54 if (abilityRecord) {
55 token = abilityRecord->GetToken();
56 }
57
58 return token;
59 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)60 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
61 {
62 std::shared_ptr<ApplicationInfo> info;
63 std::shared_ptr<AMSEventHandler> eventHandler;
64 ModuleRunningRecord moduleRecord(info, eventHandler);
65 HapModuleInfo hapInfo;
66 moduleRecord.Init(hapInfo);
67 std::weak_ptr<AppMgrServiceInner> inner;
68 moduleRecord.SetAppMgrServiceInner(inner);
69 ModuleRecordState moduleState = ModuleRecordState::UNKNOWN_STATE;
70 moduleRecord.SetModuleRecordState(moduleState);
71 std::shared_ptr<AppLifeCycleDeal> appLifeCycleDeal;
72 moduleRecord.SetApplicationClient(appLifeCycleDeal);
73 sptr<IRemoteObject> token = GetFuzzAbilityToken();
74 moduleRecord.GetAbilityRunningRecordByToken(token);
75 std::shared_ptr<AbilityInfo> abilityInfo;
76 Parcel wantParcel;
77 std::shared_ptr<Want> want;
78 moduleRecord.AddAbility(token, abilityInfo, want);
79 int64_t eventId = static_cast<int64_t>(GetU32Data(data));
80 moduleRecord.GetAbilityRunningRecord(eventId);
81 std::shared_ptr<AbilityRunningRecord> record;
82 moduleRecord.LaunchAbility(record);
83 moduleRecord.LaunchPendingAbilities();
84 AppExecFwk::AbilityState state = AppExecFwk::AbilityState::ABILITY_STATE_READY;
85 moduleRecord.OnAbilityStateChanged(record, state);
86 bool isForce = *data % ENABLE;
87 std::shared_ptr<AppRunningRecord> appRunningRecord;
88 moduleRecord.TerminateAbility(appRunningRecord, token, isForce);
89 moduleRecord.AbilityTerminated(token);
90 moduleRecord.GetAbilityByTerminateLists(token);
91 uint32_t msg = GetU32Data(data);
92 int64_t timeOut = static_cast<int64_t>(GetU32Data(data));
93 moduleRecord.SendEvent(msg, timeOut, record);
94 moduleRecord.RemoveTerminateAbilityTimeoutTask(token);
95 moduleRecord.GetModuleName();
96 moduleRecord.GetPageAbilitySize();
97 moduleRecord.GetModuleRecordState();
98 moduleRecord.GetAppInfo();
99 moduleRecord.GetState();
100 return moduleRecord.IsLastAbilityRecord(token);
101 }
102 }
103
104 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)105 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
106 {
107 /* Run your code on data */
108 if (data == nullptr) {
109 std::cout << "invalid data" << std::endl;
110 return 0;
111 }
112
113 /* Validate the length of size */
114 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
115 return 0;
116 }
117
118 char* ch = (char *)malloc(size + 1);
119 if (ch == nullptr) {
120 std::cout << "malloc failed." << std::endl;
121 return 0;
122 }
123
124 (void)memset_s(ch, size + 1, 0x00, size + 1);
125 if (memcpy_s(ch, size, data, size) != EOK) {
126 std::cout << "copy failed." << std::endl;
127 free(ch);
128 ch = nullptr;
129 return 0;
130 }
131
132 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
133 free(ch);
134 ch = nullptr;
135 return 0;
136 }
137