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 "amsmgrscheduler_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "ams_mgr_scheduler.h"
23 #undef private
24 #include "ability_record.h"
25 #include "param.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 int INPUT_ZERO = 0;
35 constexpr int INPUT_ONE = 1;
36 constexpr int INPUT_THREE = 3;
37 constexpr size_t FOO_MAX_LEN = 1024;
38 constexpr size_t U32_AT_SIZE = 4;
39 constexpr uint8_t ENABLE = 2;
40 constexpr size_t OFFSET_ZERO = 24;
41 constexpr size_t OFFSET_ONE = 16;
42 constexpr size_t OFFSET_TWO = 8;
43 }
GetU32Data(const char* ptr)44 uint32_t GetU32Data(const char* ptr)
45 {
46 // convert fuzz input data to an integer
47 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
48 ptr[INPUT_THREE];
49 }
GetFuzzAbilityToken()50 sptr<Token> GetFuzzAbilityToken()
51 {
52 sptr<Token> token = nullptr;
53
54 AbilityRequest abilityRequest;
55 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
56 abilityRequest.abilityInfo.name = "MainAbility";
57 abilityRequest.abilityInfo.type = AbilityType::PAGE;
58 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
59 if (abilityRecord) {
60 token = abilityRecord->GetToken();
61 }
62
63 return token;
64 }
DoSomethingInterestingWithMyAPI1(sptr<IRemoteObject> token, sptr<IRemoteObject> preToken, const char* data)65 std::shared_ptr<AmsMgrScheduler> DoSomethingInterestingWithMyAPI1(sptr<IRemoteObject> token,
66 sptr<IRemoteObject> preToken, const char* data)
67 {
68 std::shared_ptr<AppMgrServiceInner> mgrServiceInner;
69 std::shared_ptr<AAFwk::TaskHandlerWrap> handler;
70 std::shared_ptr<AmsMgrScheduler> amsMgrScheduler = std::make_shared<AmsMgrScheduler>(mgrServiceInner, handler);
71 sptr<IStartSpecifiedAbilityResponse> response;
72 amsMgrScheduler->RegisterStartSpecifiedAbilityResponse(response);
73 std::shared_ptr<AbilityInfo> abilityInfoptr;
74 std::shared_ptr<ApplicationInfo> appInfo;
75 std::shared_ptr<AAFwk::Want> wantptr;
76 int32_t abilityRecordId = static_cast<int32_t>(GetU32Data(data));
77 AbilityRuntime::LoadParam loadParam;
78 loadParam.abilityRecordId = abilityRecordId;
79 loadParam.token = token;
80 loadParam.preToken = preToken;
81 auto loadParamPtr = std::make_shared<AbilityRuntime::LoadParam>(loadParam);
82 amsMgrScheduler->LoadAbility(abilityInfoptr, appInfo, wantptr, loadParamPtr);
83 bool clearMissionFlag = *data % ENABLE;
84 amsMgrScheduler->TerminateAbility(token, clearMissionFlag);
85 return amsMgrScheduler;
86 }
87
DoSomethingInterestingWithMyAPI(const char* data, size_t size)88 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
89 {
90 sptr<IRemoteObject> token = GetFuzzAbilityToken();
91 sptr<IRemoteObject> preToken = nullptr;
92 auto amsMgrScheduler = DoSomethingInterestingWithMyAPI1(token, preToken, data);
93 AppExecFwk::AbilityState state = AppExecFwk::AbilityState::ABILITY_STATE_READY;
94 amsMgrScheduler->UpdateAbilityState(token, state);
95 AppExecFwk::ExtensionState extensionState = AppExecFwk::ExtensionState::EXTENSION_STATE_READY;
96 amsMgrScheduler->UpdateExtensionState(token, extensionState);
97 bool clearMissionFlag = *data % ENABLE;
98 amsMgrScheduler->TerminateAbility(token, clearMissionFlag);
99 sptr<IAppStateCallback> callback;
100 amsMgrScheduler->RegisterAppStateCallback(callback);
101 int32_t userId = static_cast<int32_t>(GetU32Data(data));
102 amsMgrScheduler->KillProcessesByUserId(userId);
103 std::string bundleName(data, size);
104 int accountId = static_cast<int>(GetU32Data(data));
105 amsMgrScheduler->KillProcessWithAccount(bundleName, accountId);
106 amsMgrScheduler->AbilityAttachTimeOut(token);
107 amsMgrScheduler->PrepareTerminate(token);
108 amsMgrScheduler->KillApplication(bundleName);
109 int uid = static_cast<int>(GetU32Data(data));
110 amsMgrScheduler->KillApplicationByUid(bundleName, uid);
111 amsMgrScheduler->KillApplicationSelf();
112 AppExecFwk::RunningProcessInfo info;
113 amsMgrScheduler->GetRunningProcessInfoByToken(token, info);
114 Parcel wantParcel;
115 Want* want = nullptr;
116 if (wantParcel.WriteBuffer(data, size)) {
117 want = Want::Unmarshalling(wantParcel);
118 if (!want) {
119 return false;
120 }
121 }
122 AbilityInfo abilityInfo;
123 amsMgrScheduler->StartSpecifiedAbility(*want, abilityInfo);
124 int pid = static_cast<int>(GetU32Data(data));
125 AppExecFwk::ApplicationInfo application;
126 bool debug;
127 amsMgrScheduler->GetApplicationInfoByProcessID(pid, application, debug);
128 if (want) {
129 delete want;
130 want = nullptr;
131 }
132 return amsMgrScheduler->IsReady();
133 }
134 }
135
136 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)137 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
138 {
139 /* Run your code on data */
140 if (data == nullptr) {
141 std::cout << "invalid data" << std::endl;
142 return 0;
143 }
144
145 /* Validate the length of size */
146 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
147 return 0;
148 }
149
150 char* ch = (char*)malloc(size + 1);
151 if (ch == nullptr) {
152 std::cout << "malloc failed." << std::endl;
153 return 0;
154 }
155
156 (void)memset_s(ch, size + 1, 0x00, size + 1);
157 if (memcpy_s(ch, size, data, size) != EOK) {
158 std::cout << "copy failed." << std::endl;
159 free(ch);
160 ch = nullptr;
161 return 0;
162 }
163
164 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
165 free(ch);
166 ch = nullptr;
167 return 0;
168 }
169
170