1 /*
2 * Copyright (c) 2024 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 "cacheprocessmanagera_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #define protected public
23 #include "cache_process_manager.h"
24 #include "ability_record.h"
25 #undef protected
26 #undef private
27
28 #include "app_mgr_service_inner.h"
29
30 using namespace OHOS::AAFwk;
31 using namespace OHOS::AppExecFwk;
32 using namespace OHOS::AbilityRuntime;
33
34 namespace OHOS {
35 namespace {
36 constexpr int INPUT_ZERO = 0;
37 constexpr int INPUT_ONE = 1;
38 constexpr int INPUT_THREE = 3;
39 constexpr size_t U32_AT_SIZE = 4;
40 constexpr uint8_t ENABLE = 2;
41 constexpr size_t OFFSET_ZERO = 24;
42 constexpr size_t OFFSET_ONE = 16;
43 constexpr size_t OFFSET_TWO = 8;
44 }
45
GetU32Data(const char * ptr)46 uint32_t GetU32Data(const char* ptr)
47 {
48 // convert fuzz input data to an integer
49 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
50 ptr[INPUT_THREE];
51 }
52
GetFuzzAbilityToken()53 sptr<Token> GetFuzzAbilityToken()
54 {
55 sptr<Token> token = nullptr;
56 AbilityRequest abilityRequest;
57 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
58 abilityRequest.abilityInfo.name = "MainAbility";
59 abilityRequest.abilityInfo.type = AbilityType::DATA;
60 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
61 if (abilityRecord) {
62 token = abilityRecord->GetToken();
63 }
64 return token;
65 }
66
CacheProcessManagerFuzztestFunc1(bool boolParam,std::string & stringParam,int32_t int32Param)67 void CacheProcessManagerFuzztestFunc1(bool boolParam, std::string &stringParam, int32_t int32Param)
68 {
69 std::shared_ptr<CacheProcessManager> mgr = std::make_shared<CacheProcessManager>();
70 std::shared_ptr<AppMgrServiceInner> serviceInner1;
71 mgr->SetAppMgr(serviceInner1); // null mgr
72 mgr->RefreshCacheNum(); // called.
73 mgr->QueryEnableProcessCache(); // called.
74 mgr->maxProcCacheNum_ = 0;
75 mgr->PenddingCacheProcess(nullptr); // called.
76 mgr->maxProcCacheNum_ = int32Param;
77
78 std::shared_ptr<ApplicationInfo> appInfo = std::make_shared<ApplicationInfo>();
79 std::shared_ptr<AppRunningRecord> appRecord1 = std::make_shared<AppRunningRecord>(appInfo, int32Param, stringParam);
80 mgr->PenddingCacheProcess(nullptr); // nullptr
81 appRecord1->isKeepAliveRdb_ = true;
82 appRecord1->isKeepAliveBundle_ = true;
83 appRecord1->isSingleton_ = true;
84 appRecord1->isMainProcess_ = true;
85 mgr->PenddingCacheProcess(appRecord1); // keepalive
86 std::shared_ptr<AppRunningRecord> appRecord2 = std::make_shared<AppRunningRecord>(appInfo, int32Param, stringParam);
87 mgr->PenddingCacheProcess(appRecord2); // not alive
88
89 mgr->maxProcCacheNum_ = 0;
90 mgr->CheckAndCacheProcess(nullptr); // nullptr
91 mgr->maxProcCacheNum_ = int32Param;
92 mgr->CheckAndCacheProcess(appRecord2); // not cached
93 mgr->cachedAppRecordQueue_.emplace_back(appRecord2);
94 mgr->CheckAndCacheProcess(appRecord2); // cached
95
96 mgr->CheckAndNotifyCachedState(nullptr);
97 std::shared_ptr<AppMgrServiceInner> serviceInner = std::make_shared<AppMgrServiceInner>();
98 mgr->SetAppMgr(serviceInner);
99 mgr->CheckAndNotifyCachedState(appRecord2); // appMgr not null
100 }
101
CacheProcessManagerFuzztestFunc2(bool boolParam,std::string & stringParam,int32_t int32Param)102 void CacheProcessManagerFuzztestFunc2(bool boolParam, std::string &stringParam, int32_t int32Param)
103 {
104 std::shared_ptr<CacheProcessManager> mgr = std::make_shared<CacheProcessManager>();
105 std::shared_ptr<AppMgrServiceInner> serviceInner1;
106 mgr->SetAppMgr(serviceInner1);
107 mgr->IsCachedProcess(nullptr); // called.
108 std::shared_ptr<ApplicationInfo> appInfo = std::make_shared<ApplicationInfo>();
109 std::shared_ptr<AppRunningRecord> appRecord2 = std::make_shared<AppRunningRecord>(appInfo, int32Param, stringParam);
110 mgr->IsCachedProcess(appRecord2); // not cached called.
111 mgr->cachedAppRecordQueue_.emplace_back(appRecord2);
112 mgr->IsCachedProcess(appRecord2); // cached called.
113 mgr->cachedAppRecordQueue_.clear(); // clear
114
115 mgr->maxProcCacheNum_ = int32Param;
116 mgr->OnProcessKilled(nullptr); // nullptr called.
117 mgr->OnProcessKilled(appRecord2); // not cached called.
118 mgr->cachedAppRecordQueue_.emplace_back(appRecord2);
119 mgr->OnProcessKilled(appRecord2); // cached called.
120 mgr->cachedAppRecordQueue_.clear(); // clear
121
122 mgr->maxProcCacheNum_ = int32Param;
123 mgr->ReuseCachedProcess(nullptr);
124 mgr->ReuseCachedProcess(appRecord2); // not cached
125 mgr->cachedAppRecordQueue_.emplace_back(appRecord2);
126 mgr->ReuseCachedProcess(appRecord2); // cached
127 mgr->cachedAppRecordQueue_.clear(); // clear
128
129 std::shared_ptr<AppMgrServiceInner> serviceInner = std::make_shared<AppMgrServiceInner>();
130 mgr->SetAppMgr(serviceInner); // appInner not null
131 mgr->cachedAppRecordQueue_.emplace_back(appRecord2);
132 mgr->ReuseCachedProcess(appRecord2); // cached
133
134 mgr->IsAppSupportProcessCache(nullptr); // null ptr check
135 std::shared_ptr<AppRunningRecord> appRecord3 = std::make_shared<AppRunningRecord>(nullptr, int32Param, stringParam);
136 mgr->IsAppSupportProcessCache(appRecord3); // null appInfo
137 mgr->srvExtRecords.emplace(appRecord2);
138 mgr->IsAppSupportProcessCache(appRecord2); // appInfo not null
139 mgr->srvExtRecords.clear();
140
141 appRecord2->SetAttachedToStatusBar(true);
142 mgr->IsAppSupportProcessCache(appRecord2); // appInfo not null &attached true
143 appRecord2->SetAttachedToStatusBar(false);
144 mgr->IsAppSupportProcessCache(appRecord2); // appInfo not null &attached false
145 appRecord2->isKeepAliveRdb_ = true;
146 appRecord2->isKeepAliveBundle_ = true;
147 appRecord2->isSingleton_ = true;
148 appRecord2->isMainProcess_ = true;
149 mgr->IsAppSupportProcessCache(appRecord2); // appInfo not null &attached false & keepalive called
150 }
151
CacheProcessManagerFuzztestFunc3(bool boolParam,std::string & stringParam,int32_t int32Param)152 void CacheProcessManagerFuzztestFunc3(bool boolParam, std::string &stringParam, int32_t int32Param)
153 {
154 std::shared_ptr<CacheProcessManager> mgr = std::make_shared<CacheProcessManager>();
155 std::shared_ptr<AppMgrServiceInner> serviceInner1;
156 mgr->SetAppMgr(serviceInner1);
157 mgr->IsAppSupportProcessCacheInnerFirst(nullptr); // nullptr
158 std::shared_ptr<ApplicationInfo> appInfo = std::make_shared<ApplicationInfo>();
159 std::shared_ptr<AppRunningRecord> appRecord1 = std::make_shared<AppRunningRecord>(appInfo, int32Param, stringParam);
160 mgr->shouldCheckSupport = true;
161 appRecord1->procCacheSupportState_ = SupportProcessCacheState::UNSPECIFIED;
162 mgr->IsAppSupportProcessCacheInnerFirst(appRecord1); // case CacheState UNSPECIFIED
163 appRecord1->procCacheSupportState_ = SupportProcessCacheState::SUPPORT;
164 mgr->IsAppSupportProcessCacheInnerFirst(appRecord1); // case CacheState SUPPORT
165 appRecord1->procCacheSupportState_ = SupportProcessCacheState::NOT_SUPPORT;
166 mgr->IsAppSupportProcessCacheInnerFirst(appRecord1); // case CacheState SUPPORT
167 int32_t num = static_cast<int32_t>(SupportProcessCacheState::NOT_SUPPORT) + 1;
168 appRecord1->procCacheSupportState_ = static_cast<SupportProcessCacheState>(num);
169 mgr->IsAppSupportProcessCacheInnerFirst(appRecord1); // case CacheState default branch
170
171 mgr->shouldCheckSupport = false;
172 appRecord1->procCacheSupportState_ = SupportProcessCacheState::UNSPECIFIED;
173 mgr->IsAppSupportProcessCacheInnerFirst(appRecord1); // case CacheState UNSPECIFIED
174
175 mgr->IsAppShouldCache(nullptr); // called.
176 mgr->maxProcCacheNum_ = int32Param;
177 mgr->IsAppShouldCache(appRecord1); // not ccached called.
178 mgr->cachedAppRecordQueue_.emplace_back(appRecord1);
179 mgr->IsAppShouldCache(appRecord1); //ccached called.
180
181 mgr->IsAppAbilitiesEmpty(nullptr); // called
182 mgr->IsAppAbilitiesEmpty(appRecord1); // called
183 }
184
DoSomethingInterestingWithMyAPI(const char * data,size_t size)185 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
186 {
187 bool boolParam = *data % ENABLE;
188 std::string stringParam(data, size);
189 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
190 CacheProcessManagerFuzztestFunc1(boolParam, stringParam, int32Param);
191 CacheProcessManagerFuzztestFunc2(boolParam, stringParam, int32Param);
192 CacheProcessManagerFuzztestFunc3(boolParam, stringParam, int32Param);
193 return true;
194 }
195 }
196
197 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)198 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
199 {
200 /* Run your code on data */
201 if (data == nullptr) {
202 return 0;
203 }
204
205 /* Validate the length of size */
206 if (size < OHOS::U32_AT_SIZE) {
207 return 0;
208 }
209
210 char* ch = static_cast<char*>(malloc(size + 1));
211 if (ch == nullptr) {
212 std::cout << "malloc failed." << std::endl;
213 return 0;
214 }
215
216 (void)memset_s(ch, size + 1, 0x00, size + 1);
217 if (memcpy_s(ch, size, data, size) != EOK) {
218 std::cout << "copy failed." << std::endl;
219 free(ch);
220 ch = nullptr;
221 return 0;
222 }
223
224 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
225 free(ch);
226 ch = nullptr;
227 return 0;
228 }
229
230