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 "formcachemgr_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #define protected public
23 #include "data_center/form_cache_mgr.h"
24 #include "common/event/form_event_handler.h"
25 #include "common/util/form_serial_queue.h"
26 #undef private
27 #undef protected
28 #include "securec.h"
29
30 using namespace OHOS::AppExecFwk;
31
32 namespace OHOS {
33 constexpr size_t U32_AT_SIZE = 4;
34 constexpr int64_t EVENT_MSG = 1;
35 constexpr int64_t EVENT_ID = 2;
GetU32Data(const char * ptr)36 uint32_t GetU32Data(const char* ptr)
37 {
38 // convert fuzz input data to an integer
39 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
40 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)41 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
42 {
43 FormCacheMgr formCacheMgr;
44 int64_t formId = static_cast<int64_t>(GetU32Data(data));
45 std::string datas(data, size);
46 std::map<std::string, std::pair<sptr<FormAshmem>, int32_t>> imageDataMap;
47 formCacheMgr.GetData(formId, datas, imageDataMap);
48
49 FormProviderData formProviderData;
50 formProviderData.SetDataString(datas);
51 formCacheMgr.AddData(formId, formProviderData);
52
53 formCacheMgr.DeleteData(formId);
54 FormEventHandler formEventHandler(nullptr);
55 AppExecFwk::InnerEvent::Pointer event = AppExecFwk::InnerEvent::Get();
56 formEventHandler.ProcessEvent(EVENT_MSG, EVENT_ID);
57 formEventHandler.GetEventId();
58 std::shared_ptr<FormEventTimeoutObserver> observer = nullptr;
59 formEventHandler.RegisterEventTimeoutObserver(observer);
60 formEventHandler.UnregisterEventTimeoutObserver(observer);
61 return formCacheMgr.NeedAcquireProviderData(formId);
62 }
63
DoSomethingInterestingWithMyAPI1(const char * data,size_t size)64 bool DoSomethingInterestingWithMyAPI1(const char* data, size_t size)
65 {
66 FormCacheMgr formCacheMgr;
67 int64_t formId = static_cast<int64_t>(GetU32Data(data));
68 std::string datas(data, size);
69 std::map<std::string, std::pair<sptr<FormAshmem>, int32_t>> imageDataMap;
70 formCacheMgr.GetData(formId, datas, imageDataMap);
71
72 FormProviderData formProviderData;
73 formProviderData.SetDataString(datas);
74 formCacheMgr.AddData(formId, formProviderData);
75
76 formCacheMgr.DeleteData(formId);
77 FormEventHandler formEventHandler(nullptr);
78 AppExecFwk::InnerEvent::Pointer event = AppExecFwk::InnerEvent::Get();
79 formEventHandler.ProcessEvent(EVENT_MSG, EVENT_ID);
80 formEventHandler.GetEventId();
81 std::shared_ptr<FormEventTimeoutObserver> observer = nullptr;
82 formEventHandler.RegisterEventTimeoutObserver(observer);
83 formEventHandler.UnregisterEventTimeoutObserver(observer);
84 return formCacheMgr.NeedAcquireProviderData(formId);
85 }
86
DoSomethingInterestingWithMyAPI2(const char * data,size_t size)87 bool DoSomethingInterestingWithMyAPI2(const char* data, size_t size)
88 {
89 FormCacheMgr formCacheMgr;
90 int64_t formId = static_cast<int64_t>(GetU32Data(data));
91 std::string datas(data, size);
92 std::map<std::string, std::pair<sptr<FormAshmem>, int32_t>> imageDataMap;
93 formCacheMgr.GetData(formId, datas, imageDataMap);
94
95 FormProviderData formProviderData;
96 formProviderData.SetDataString(datas);
97 formCacheMgr.AddData(formId, formProviderData);
98
99 formCacheMgr.DeleteData(formId);
100 FormEventHandler formEventHandler(nullptr);
101 AppExecFwk::InnerEvent::Pointer event = AppExecFwk::InnerEvent::Get();
102 formEventHandler.ProcessEvent(EVENT_MSG, EVENT_ID);
103 formEventHandler.GetEventId();
104 std::shared_ptr<FormEventTimeoutObserver> observer = nullptr;
105 formEventHandler.RegisterEventTimeoutObserver(observer);
106 formEventHandler.UnregisterEventTimeoutObserver(observer);
107 return formCacheMgr.NeedAcquireProviderData(formId);
108 }
109
DoSomethingInterestingWithMyAPI3(const char * data,size_t size)110 bool DoSomethingInterestingWithMyAPI3(const char* data, size_t size)
111 {
112 FormCacheMgr formCacheMgr;
113 int64_t formId = static_cast<int64_t>(GetU32Data(data));
114 std::string datas(data, size);
115 std::map<std::string, std::pair<sptr<FormAshmem>, int32_t>> imageDataMap;
116 formCacheMgr.GetData(formId, datas, imageDataMap);
117
118 FormProviderData formProviderData;
119 formProviderData.SetDataString(datas);
120 formCacheMgr.AddData(formId, formProviderData);
121
122 formCacheMgr.DeleteData(formId);
123 FormEventHandler formEventHandler(nullptr);
124 AppExecFwk::InnerEvent::Pointer event = AppExecFwk::InnerEvent::Get();
125 formEventHandler.ProcessEvent(EVENT_MSG, EVENT_ID);
126 formEventHandler.GetEventId();
127 std::shared_ptr<FormEventTimeoutObserver> observer = nullptr;
128 formEventHandler.RegisterEventTimeoutObserver(observer);
129 formEventHandler.UnregisterEventTimeoutObserver(observer);
130 return formCacheMgr.NeedAcquireProviderData(formId);
131 }
132
DoSomethingInterestingWithMyAPI4(const char * data,size_t size)133 bool DoSomethingInterestingWithMyAPI4(const char* data, size_t size)
134 {
135 FormCacheMgr formCacheMgr;
136 int64_t formId = static_cast<int64_t>(GetU32Data(data));
137 std::string datas(data, size);
138 std::map<std::string, std::pair<sptr<FormAshmem>, int32_t>> imageDataMap;
139 formCacheMgr.GetData(formId, datas, imageDataMap);
140
141 FormProviderData formProviderData;
142 formProviderData.SetDataString(datas);
143 formCacheMgr.AddData(formId, formProviderData);
144
145 formCacheMgr.DeleteData(formId);
146 FormEventHandler formEventHandler(nullptr);
147 AppExecFwk::InnerEvent::Pointer event = AppExecFwk::InnerEvent::Get();
148 formEventHandler.ProcessEvent(EVENT_MSG, EVENT_ID);
149 formEventHandler.GetEventId();
150 std::shared_ptr<FormEventTimeoutObserver> observer = nullptr;
151 formEventHandler.RegisterEventTimeoutObserver(observer);
152 formEventHandler.UnregisterEventTimeoutObserver(observer);
153 return formCacheMgr.NeedAcquireProviderData(formId);
154 }
155
DoSomethingInterestingWithMyAPI5(const char * data,size_t size)156 bool DoSomethingInterestingWithMyAPI5(const char* data, size_t size)
157 {
158 FormCacheMgr formCacheMgr;
159 int64_t formId = static_cast<int64_t>(GetU32Data(data));
160 std::string datas(data, size);
161 std::map<std::string, std::pair<sptr<FormAshmem>, int32_t>> imageDataMap;
162 formCacheMgr.GetData(formId, datas, imageDataMap);
163
164 FormProviderData formProviderData;
165 formProviderData.SetDataString(datas);
166 formCacheMgr.AddData(formId, formProviderData);
167
168 formCacheMgr.DeleteData(formId);
169 FormEventHandler formEventHandler(nullptr);
170 AppExecFwk::InnerEvent::Pointer event = AppExecFwk::InnerEvent::Get();
171 formEventHandler.ProcessEvent(EVENT_MSG, EVENT_ID);
172 formEventHandler.GetEventId();
173 std::shared_ptr<FormEventTimeoutObserver> observer = nullptr;
174 formEventHandler.RegisterEventTimeoutObserver(observer);
175 formEventHandler.UnregisterEventTimeoutObserver(observer);
176 return formCacheMgr.NeedAcquireProviderData(formId);
177 }
178
DoSomethingInterestingWithMyAPI6(const char * data,size_t size)179 bool DoSomethingInterestingWithMyAPI6(const char* data, size_t size)
180 {
181 FormCacheMgr formCacheMgr;
182 int64_t formId = static_cast<int64_t>(GetU32Data(data));
183 std::string datas(data, size);
184 std::map<std::string, std::pair<sptr<FormAshmem>, int32_t>> imageDataMap;
185 formCacheMgr.GetData(formId, datas, imageDataMap);
186
187 FormProviderData formProviderData;
188 formProviderData.SetDataString(datas);
189 formCacheMgr.AddData(formId, formProviderData);
190
191 formCacheMgr.DeleteData(formId);
192 FormEventHandler formEventHandler(nullptr);
193 AppExecFwk::InnerEvent::Pointer event = AppExecFwk::InnerEvent::Get();
194 formEventHandler.ProcessEvent(EVENT_MSG, EVENT_ID);
195 formEventHandler.GetEventId();
196 std::shared_ptr<FormEventTimeoutObserver> observer = nullptr;
197 formEventHandler.RegisterEventTimeoutObserver(observer);
198 formEventHandler.UnregisterEventTimeoutObserver(observer);
199 return formCacheMgr.NeedAcquireProviderData(formId);
200 }
201
DoSomethingInterestingWithMyAPI7(const char * data,size_t size)202 bool DoSomethingInterestingWithMyAPI7(const char* data, size_t size)
203 {
204 FormCacheMgr formCacheMgr;
205 int64_t formId = static_cast<int64_t>(GetU32Data(data));
206 std::string datas(data, size);
207 std::map<std::string, std::pair<sptr<FormAshmem>, int32_t>> imageDataMap;
208 formCacheMgr.GetData(formId, datas, imageDataMap);
209
210 FormProviderData formProviderData;
211 formProviderData.SetDataString(datas);
212 formCacheMgr.AddData(formId, formProviderData);
213
214 formCacheMgr.DeleteData(formId);
215 FormEventHandler formEventHandler(nullptr);
216 AppExecFwk::InnerEvent::Pointer event = AppExecFwk::InnerEvent::Get();
217 formEventHandler.ProcessEvent(EVENT_MSG, EVENT_ID);
218 formEventHandler.GetEventId();
219 std::shared_ptr<FormEventTimeoutObserver> observer = nullptr;
220 formEventHandler.RegisterEventTimeoutObserver(observer);
221 formEventHandler.UnregisterEventTimeoutObserver(observer);
222 return formCacheMgr.NeedAcquireProviderData(formId);
223 }
224 }
225
226 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)227 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
228 {
229 /* Run your code on data */
230 if (data == nullptr) {
231 return 0;
232 }
233
234 if (size < OHOS::U32_AT_SIZE) {
235 return 0;
236 }
237
238 char* ch = static_cast<char*>(malloc(size + 1));
239 if (ch == nullptr) {
240 return 0;
241 }
242
243 (void)memset_s(ch, size + 1, 0x00, size + 1);
244 if (memcpy_s(ch, size + 1, data, size) != EOK) {
245 free(ch);
246 ch = nullptr;
247 return 0;
248 }
249
250 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
251 free(ch);
252 ch = nullptr;
253 return 0;
254 }
255
256