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 "allowed_wifi_list_plugin_fuzzer.h"
17
18 #include <system_ability_definition.h>
19
20 #define protected public
21 #define private public
22 #include "allowed_wifi_list_plugin.h"
23 #undef protected
24 #undef private
25 #include "common_fuzzer.h"
26 #include "edm_ipc_interface_code.h"
27 #include "func_code.h"
28 #include "get_data_template.h"
29 #include "ienterprise_device_mgr.h"
30 #include "message_parcel.h"
31 #include "plugin_manager.h"
32 #include "utils.h"
33 #include "wifi_device.h"
34
35 namespace OHOS {
36 namespace EDM {
37 constexpr size_t MIN_SIZE = 15;
38 constexpr int32_t WITHOUT_USERID = 0;
39 constexpr int32_t WIFI_LIST_SIZE = 1;
40
41 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)42 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
43 {
44 if (data == nullptr || size < MIN_SIZE) {
45 return 0;
46 }
47 int32_t pos = 0;
48 int32_t stringSize = size / 15;
49 for (uint32_t operateType = static_cast<uint32_t>(FuncOperateType::GET);
50 operateType <= static_cast<uint32_t>(FuncOperateType::REMOVE); operateType++) {
51 uint32_t code = EdmInterfaceCode::ALLOWED_WIFI_LIST;
52 code = POLICY_FUNC_CODE(operateType, code);
53 AppExecFwk::ElementName admin;
54 admin.SetBundleName(CommonFuzzer::GetString(data, pos, stringSize, size));
55 admin.SetAbilityName(CommonFuzzer::GetString(data, pos, stringSize, size));
56 MessageParcel parcel;
57 parcel.WriteInterfaceToken(IEnterpriseDeviceMgrIdl::GetDescriptor());
58 parcel.WriteInt32(WITHOUT_USERID);
59 if (operateType) {
60 parcel.WriteParcelable(&admin);
61 parcel.WriteInt32(WIFI_LIST_SIZE);
62 WifiId wifiId;
63 wifiId.SetSsid(CommonFuzzer::GetString(data, pos, stringSize, size));
64 wifiId.SetBssid(CommonFuzzer::GetString(data, pos, stringSize, size));
65 std::vector<WifiId> wifiIds = { wifiId };
66 std::for_each(wifiIds.begin(), wifiIds.end(),
67 [&](const auto wifiId) { wifiId.Marshalling(parcel); });
68 } else {
69 parcel.WriteString("");
70 parcel.WriteInt32(0);
71 parcel.WriteParcelable(&admin);
72 }
73 CommonFuzzer::OnRemoteRequestFuzzerTest(code, data, size, parcel);
74 }
75 AllowWifiListPlugin plugin;
76 std::string adminName = CommonFuzzer::GetString(data, pos, stringSize, size);
77 WifiId wifiId1;
78 wifiId1.SetSsid(CommonFuzzer::GetString(data, pos, stringSize, size));
79 wifiId1.SetBssid(CommonFuzzer::GetString(data, pos, stringSize, size));
80 std::vector<WifiId> policyData = { wifiId1 };
81 WifiId wifiId2;
82 wifiId2.SetSsid(CommonFuzzer::GetString(data, pos, stringSize, size));
83 wifiId2.SetBssid(CommonFuzzer::GetString(data, pos, stringSize, size));
84 std::vector<WifiId> mergeData = { wifiId2 };
85 int32_t userId = CommonFuzzer::GetU32Data(data);
86 plugin.OnAdminRemove(adminName, policyData, mergeData, userId);
87 return 0;
88 }
89 } // namespace EDM
90 } // namespace OHOS