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 <string>
17 #include <vector>
18 #include <fuzzer/FuzzedDataProvider.h>
19 #include "device_name_manager.h"
20 #include "device_name_manager_one_fuzzer.h"
21
22 namespace OHOS {
23 namespace DistributedHardware {
DeviceNameManagerOnePrivateFuzzTest(FuzzedDataProvider & fdp)24 void DeviceNameManagerOnePrivateFuzzTest(FuzzedDataProvider &fdp)
25 {
26 int32_t userId = fdp.ConsumeIntegral<int32_t>();
27 int32_t maxNamelength = fdp.ConsumeIntegral<int32_t>();
28 std::string deviceName = fdp.ConsumeRandomLengthString();
29 std::string prefix = fdp.ConsumeRandomLengthString();
30 std::string suffix = fdp.ConsumeRandomLengthString();
31 std::string state = fdp.ConsumeRandomLengthString();
32 std::string tableName = fdp.ConsumeRandomLengthString();
33 std::string key = fdp.ConsumeRandomLengthString();
34 std::string proxyUri = fdp.ConsumeRemainingBytesAsString();
35 std::string value;
36
37 DeviceNameManager::GetInstance().RegisterDeviceNameChangeMonitor(fdp.ConsumeIntegral<int32_t>(),
38 fdp.ConsumeIntegral<int32_t>());
39 DeviceNameManager::GetInstance().UnRegisterDeviceNameChangeMonitor(userId);
40 DeviceNameManager::GetInstance().InitDeviceName(userId);
41 DeviceNameManager::GetInstance().InitDeviceNameToSoftBus(prefix, suffix);
42 DeviceNameManager::GetInstance().SubstrByBytes(fdp.ConsumeRandomLengthString(),
43 fdp.ConsumeIntegral<int32_t>());
44 DeviceNameManager::GetInstance().GetSystemLanguage();
45 DeviceNameManager::GetInstance().GetSystemRegion();
46 DeviceNameManager::GetInstance().GetLocalMarketName();
47 DeviceNameManager::GetInstance().InitDisplayDeviceNameToSettingsData(fdp.ConsumeRandomLengthString(),
48 fdp.ConsumeRandomLengthString(), userId);
49 DeviceNameManager::GetInstance().GetUserDefinedDeviceName(userId, deviceName);
50 DeviceNameManager::GetInstance().SetUserDefinedDeviceName(fdp.ConsumeRandomLengthString(), userId);
51 DeviceNameManager::GetInstance().GetDisplayDeviceName(userId, deviceName);
52 DeviceNameManager::GetInstance().SetDisplayDeviceName(fdp.ConsumeRandomLengthString(), userId);
53 DeviceNameManager::GetInstance().SetDisplayDeviceNameState(state, userId);
54 DeviceNameManager::GetInstance().GetDeviceName(deviceName);
55 DeviceNameManager::GetInstance().SetDeviceName(fdp.ConsumeRandomLengthString());
56 DeviceNameManager::GetInstance().GetValue(tableName, userId, key, value);
57 DeviceNameManager::GetInstance().SetValue(tableName, userId, key, fdp.ConsumeRandomLengthString());
58 DeviceNameManager::GetInstance().GetProxyUriStr(tableName, userId);
59 auto helper = DeviceNameManager::GetInstance().CreateDataShareHelper(proxyUri);
60 DeviceNameManager::GetInstance().MakeUri(proxyUri, key);
61 DeviceNameManager::GetInstance().ReleaseDataShareHelper(helper);
62 }
63
DeviceNameManagerOneFuzzTest(const uint8_t * data,size_t size)64 void DeviceNameManagerOneFuzzTest(const uint8_t* data, size_t size)
65 {
66 if (data == nullptr) {
67 return;
68 }
69 FuzzedDataProvider fdp(data, size);
70
71 int32_t userId = fdp.ConsumeIntegral<int32_t>();
72 int32_t maxNamelength = fdp.ConsumeIntegral<int32_t>();
73 std::string displayName;
74 std::string deviceName = fdp.ConsumeRandomLengthString();
75 int32_t curUserId = fdp.ConsumeIntegral<int32_t>();
76 int32_t preUserId = fdp.ConsumeIntegral<int32_t>();
77 std::string prefix = fdp.ConsumeRandomLengthString();
78 std::string suffix = fdp.ConsumeRandomLengthString();
79 std::string state = fdp.ConsumeRandomLengthString();
80 std::string tableName = fdp.ConsumeRandomLengthString();
81 std::string key = fdp.ConsumeRandomLengthString();
82 std::string proxyUri = fdp.ConsumeRemainingBytesAsString();
83
84 DeviceNameManager::GetInstance().AccountSysReady(userId);
85 DeviceNameManager::GetInstance().DataShareReady();
86 DeviceNameManager::GetInstance().InitDeviceNameWhenSoftBusReady();
87 DeviceNameManager::GetInstance().GetLocalDisplayDeviceName(maxNamelength, displayName);
88 DeviceNameManager::GetInstance().ModifyUserDefinedName(deviceName);
89 DeviceNameManager::GetInstance().RestoreLocalDeviceName();
90 DeviceNameManager::GetInstance().InitDeviceNameWhenUserSwitch(curUserId, preUserId);
91 DeviceNameManager::GetInstance().InitDeviceNameWhenNameChange(userId);
92 DeviceNameManager::GetInstance().InitDeviceNameWhenLogout();
93 DeviceNameManager::GetInstance().InitDeviceNameWhenLogin();
94 DeviceNameManager::GetInstance().InitDeviceNameWhenNickChange();
95 DeviceNameManager::GetInstance().InitDeviceNameWhenLanguageOrRegionChanged();
96
97 OHOS::DistributedHardware::DeviceNameManagerOnePrivateFuzzTest(fdp);
98 }
99 }
100 }
101
102 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)103 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
104 {
105 /* Run your code on data */
106 OHOS::DistributedHardware::DeviceNameManagerOneFuzzTest(data, size);
107
108 return 0;
109 }
110