1 /*
2 * Copyright (c) 2025 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 "imeenabledinfomanager_fuzzer.h"
17
18 #define private public
19 #define protected public
20 #include "ime_enabled_info_manager.h"
21 #undef private
22 #include "fuzzer/FuzzedDataProvider.h"
23
24 using namespace OHOS::MiscServices;
25 namespace OHOS {
26 const int8_t EVEN_CHECK_NUMBER = 2;
GetString(const uint8_t * data,size_t size)27 std::string GetString(const uint8_t *data, size_t size)
28 {
29 if (data == nullptr || size == 0) {
30 return "";
31 }
32 return std::string(reinterpret_cast<const char *>(data), size);
33 }
34
FuzzInit(const uint8_t * data,size_t size)35 void FuzzInit(const uint8_t *data, size_t size)
36 {
37 FuzzedDataProvider provider(data, size);
38 auto userId = provider.ConsumeIntegral<int32_t>();
39 auto fuzzedString = GetString(data, size);
40 std::map<int32_t, std::vector<FullImeInfo>> fullImeInfos;
41 std::vector<FullImeInfo> imeInfos;
42 for (size_t i = 0; i < size; i++) {
43 FullImeInfo imeInfo;
44 imeInfo.prop.name = fuzzedString + std::to_string(i);
45 imeInfo.prop.id = std::to_string(i) + fuzzedString;
46 imeInfos.push_back(imeInfo);
47 }
48 fullImeInfos.insert({ userId, imeInfos });
49 ImeEnabledInfoManager::GetInstance().Init(fullImeInfos);
50 }
51
FuzzSwitch(const uint8_t * data,size_t size)52 void FuzzSwitch(const uint8_t *data, size_t size)
53 {
54 FuzzedDataProvider provider(data, size);
55 auto userId = provider.ConsumeIntegral<int32_t>();
56 auto fuzzedString = GetString(data, size);
57 std::vector<FullImeInfo> imeInfos;
58 for (size_t i = 0; i < size; i++) {
59 FullImeInfo imeInfo;
60 imeInfo.prop.name = fuzzedString + std::to_string(i);
61 imeInfo.prop.id = std::to_string(i) + fuzzedString;
62 imeInfos.push_back(imeInfo);
63 }
64 ImeEnabledInfoManager::GetInstance().Switch(userId, imeInfos);
65 }
66
FuzzDelete(const uint8_t * data,size_t size)67 void FuzzDelete(const uint8_t *data, size_t size)
68 {
69 FuzzedDataProvider provider(data, size);
70 auto userId = provider.ConsumeIntegral<int32_t>();
71 ImeEnabledInfoManager::GetInstance().Delete(userId);
72 }
73
FuzzAddPackage(const uint8_t * data,size_t size)74 void FuzzAddPackage(const uint8_t *data, size_t size)
75 {
76 FuzzedDataProvider provider(data, size);
77 auto userId = provider.ConsumeIntegral<int32_t>();
78 auto fuzzedString = GetString(data, size);
79 FullImeInfo imeInfo;
80 imeInfo.prop.name = fuzzedString;
81 imeInfo.prop.id = fuzzedString + "ext";
82 ImeEnabledInfoManager::GetInstance().Add(userId, imeInfo);
83 }
84
FuzzDeletePackage(const uint8_t * data,size_t size)85 void FuzzDeletePackage(const uint8_t *data, size_t size)
86 {
87 FuzzedDataProvider provider(data, size);
88 auto userId = provider.ConsumeIntegral<int32_t>();
89 auto fuzzedString = GetString(data, size);
90 ImeEnabledInfoManager::GetInstance().Delete(userId, fuzzedString);
91 }
92
FuzzUpdateEnabledStatus(const uint8_t * data,size_t size)93 void FuzzUpdateEnabledStatus(const uint8_t *data, size_t size)
94 {
95 FuzzedDataProvider provider(data, size);
96 auto userId = provider.ConsumeIntegral<int32_t>();
97 auto enabledStatus = static_cast<EnabledStatus>(size);
98 auto fuzzedString = GetString(data, size);
99 ImeEnabledInfoManager::GetInstance().Update(userId, fuzzedString, fuzzedString + "ext", enabledStatus);
100 }
101
FuzzGetEnabledState(const uint8_t * data,size_t size)102 void FuzzGetEnabledState(const uint8_t *data, size_t size)
103 {
104 FuzzedDataProvider provider(data, size);
105 auto userId = provider.ConsumeIntegral<int32_t>();
106 auto fuzzedString = GetString(data, size);
107 auto enabledStatus = EnabledStatus::DISABLED;
108 ImeEnabledInfoManager::GetInstance().GetEnabledState(userId, fuzzedString, enabledStatus);
109 }
110
FuzzGetEnabledStates(const uint8_t * data,size_t size)111 void FuzzGetEnabledStates(const uint8_t *data, size_t size)
112 {
113 FuzzedDataProvider provider(data, size);
114 auto userId = provider.ConsumeIntegral<int32_t>();
115 auto fuzzedString = GetString(data, size);
116 std::vector<Property> props;
117 for (size_t i = 0; i < size; i++) {
118 Property prop;
119 prop.name = fuzzedString + std::to_string(i);
120 prop.id = std::to_string(i) + fuzzedString;
121 props.push_back(prop);
122 }
123 ImeEnabledInfoManager::GetInstance().GetEnabledStates(userId, props);
124 }
125
FuzzIsDefaultFullMode(const uint8_t * data,size_t size)126 void FuzzIsDefaultFullMode(const uint8_t *data, size_t size)
127 {
128 FuzzedDataProvider provider(data, size);
129 auto userId = provider.ConsumeIntegral<int32_t>();
130 auto fuzzedString = GetString(data, size);
131 ImeEnabledInfoManager::GetInstance().IsDefaultFullMode(userId, fuzzedString);
132 }
133
FuzzSetCurrentIme(const uint8_t * data,size_t size)134 void FuzzSetCurrentIme(const uint8_t *data, size_t size)
135 {
136 FuzzedDataProvider provider(data, size);
137 auto userId = provider.ConsumeIntegral<int32_t>();
138 auto fuzzedString = GetString(data, size);
139 std::string imeId = fuzzedString;
140 if (size % EVEN_CHECK_NUMBER == 0) {
141 imeId = fuzzedString + "/" + "ext";
142 }
143 bool isSetByUser = false;
144 if (data != nullptr && size != 0) {
145 isSetByUser = static_cast<bool>(data[0] % 2); // remainder 2 can generate a random number of 0 or 1
146 }
147 ImeEnabledInfoManager::GetInstance().SetCurrentIme(userId, imeId, fuzzedString, isSetByUser);
148 }
149
FuzzSetTmpIme(const uint8_t * data,size_t size)150 void FuzzSetTmpIme(const uint8_t *data, size_t size)
151 {
152 FuzzedDataProvider provider(data, size);
153 auto userId = provider.ConsumeIntegral<int32_t>();
154 auto fuzzedString = GetString(data, size);
155 std::string imeId = fuzzedString;
156 if (size % EVEN_CHECK_NUMBER == 0) {
157 imeId = fuzzedString + "/" + "ext";
158 }
159 ImeEnabledInfoManager::GetInstance().SetTmpIme(userId, imeId);
160 }
161
FuzzGetCurrentImeCfg(const uint8_t * data,size_t size)162 void FuzzGetCurrentImeCfg(const uint8_t *data, size_t size)
163 {
164 FuzzedDataProvider provider(data, size);
165 auto userId = provider.ConsumeIntegral<int32_t>();
166 ImeEnabledInfoManager::GetInstance().GetCurrentImeCfg(userId);
167 }
168
FuzzIsDefaultImeSet(const uint8_t * data,size_t size)169 void FuzzIsDefaultImeSet(const uint8_t *data, size_t size)
170 {
171 FuzzedDataProvider provider(data, size);
172 auto userId = provider.ConsumeIntegral<int32_t>();
173 ImeEnabledInfoManager::GetInstance().IsDefaultImeSet(userId);
174 }
175
FuzzOnFullExperienceTableChanged(const uint8_t * data,size_t size)176 void FuzzOnFullExperienceTableChanged(const uint8_t *data, size_t size)
177 {
178 FuzzedDataProvider provider(data, size);
179 auto userId = provider.ConsumeIntegral<int32_t>();
180 ImeEnabledInfoManager::GetInstance().OnFullExperienceTableChanged(userId);
181 }
182
FuzzGetEnabledStateInner(const uint8_t * data,size_t size)183 void FuzzGetEnabledStateInner(const uint8_t *data, size_t size)
184 {
185 FuzzedDataProvider provider(data, size);
186 static std::vector<Property> props;
187 static std::vector<FullImeInfo> imeInfos;
188 static std::vector<ImeEnabledInfo> enabledInfos;
189 auto fuzzedString = GetString(data, size);
190 for (size_t i = 0; i < size; i++) {
191 Property prop;
192 prop.name = fuzzedString + std::to_string(i);
193 prop.id = std::to_string(i) + fuzzedString;
194 props.push_back(prop);
195 }
196 auto userId = provider.ConsumeIntegral<int32_t>();
197 auto fuzzedBool = static_cast<bool>(data[0] % 2);
198 auto fuzzUint32 = provider.ConsumeIntegral<uint32_t>();
199 auto fuzzInt32 = provider.ConsumeIntegral<int32_t>();
200 EnabledStatus status = static_cast<EnabledStatus>(fuzzInt32);
201 FullImeInfo imeInfo = { .isNewIme = fuzzedBool, .tokenId = fuzzUint32, .appId = fuzzedString,
202 .versionCode = fuzzUint32 };
203 ImeEnabledInfo imeEnabeleInfo;
204 imeEnabeleInfo.bundleName = fuzzedString;
205 imeEnabeleInfo.extensionName = fuzzedString;
206 imeEnabeleInfo.enabledStatus = static_cast<EnabledStatus>(fuzzInt32);
207 imeEnabeleInfo.stateUpdateTime = fuzzedString;
208 enabledInfos.push_back(imeEnabeleInfo);
209 ImeEnabledCfg newEnabledCfg;
210 newEnabledCfg.version = fuzzedString;
211 newEnabledCfg.enabledInfos = enabledInfos;
212 ImeEnabledInfoManager::GetInstance().GetEnabledStateInner(userId, fuzzedString, status);
213 ImeEnabledInfoManager::GetInstance().GetEnabledStatesInner(userId, props);
214 ImeEnabledInfoManager::GetInstance().IsInEnabledCache(userId, fuzzedString, fuzzedString);
215 ImeEnabledInfoManager::GetInstance().CorrectByBundleMgr(userId, imeInfos, enabledInfos);
216 ImeEnabledInfoManager::GetInstance().ComputeEnabledStatus(fuzzedString, status);
217 ImeEnabledInfoManager::GetInstance().UpdateEnabledCfgCache(userId, newEnabledCfg);
218 ImeEnabledInfoManager::GetInstance().NotifyCurrentImeStatusChanged(userId, fuzzedString, status);
219 ImeEnabledInfoManager::GetInstance().IsExpired(fuzzedString);
220 ImeEnabledInfoManager::GetInstance().UpdateGlobalEnabledTable(userId, newEnabledCfg);
221 ImeEnabledInfoManager::GetInstance().ModCurrentIme(enabledInfos);
222 ImeEnabledInfoManager::GetInstance().IsCurrentIme(fuzzedString, enabledInfos);
223 }
224 } // namespace OHOS
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 OHOS::FuzzInit(data, size);
230 OHOS::FuzzSwitch(data, size);
231 OHOS::FuzzDelete(data, size);
232 OHOS::FuzzAddPackage(data, size);
233 OHOS::FuzzDeletePackage(data, size);
234 OHOS::FuzzUpdateEnabledStatus(data, size);
235 OHOS::FuzzGetEnabledState(data, size);
236 OHOS::FuzzGetEnabledStates(data, size);
237 OHOS::FuzzIsDefaultFullMode(data, size);
238 OHOS::FuzzSetCurrentIme(data, size);
239 OHOS::FuzzSetTmpIme(data, size);
240 OHOS::FuzzGetCurrentImeCfg(data, size);
241 OHOS::FuzzIsDefaultImeSet(data, size);
242 OHOS::FuzzOnFullExperienceTableChanged(data, size);
243 OHOS::FuzzGetEnabledStateInner(data, size);
244 return 0;
245 }