1 /*
2 * Copyright (c) 2025-2025 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 "disable_mtp_client_plugin.h"
17
18 #include "bool_serializer.h"
19 #include "edm_constants.h"
20 #include "edm_ipc_interface_code.h"
21 #include "edm_log.h"
22 #include "iplugin_manager.h"
23 #include "os_account_manager.h"
24 #include "parameters.h"
25
26 namespace OHOS {
27 namespace EDM {
28 const bool REGISTER_RESULT = IPluginManager::GetInstance()->AddPlugin(DisableMtpClientPlugin::GetPlugin());
29
InitPlugin(std::shared_ptr<IPluginTemplate<DisableMtpClientPlugin,bool>> ptr)30 void DisableMtpClientPlugin::InitPlugin(std::shared_ptr<IPluginTemplate<DisableMtpClientPlugin, bool>> ptr)
31 {
32 EDMLOGI("DisableMtpClientPlugin InitPlugin...");
33 ptr->InitAttribute(EdmInterfaceCode::DISABLE_MTP_CLIENT, PolicyName::POLICY_DISABLED_MTP_CLIENT,
34 EdmPermission::PERMISSION_ENTERPRISE_MANAGE_RESTRICTIONS, IPlugin::PermissionType::SUPER_DEVICE_ADMIN, true);
35 ptr->SetSerializer(BoolSerializer::GetInstance());
36 ptr->SetOnHandlePolicyListener(&DisableMtpClientPlugin::OnSetPolicy, FuncOperateType::SET);
37 ptr->SetOnAdminRemoveListener(&DisableMtpClientPlugin::OnAdminRemove);
38 persistParam_ = "persist.edm.mtp_client_disable";
39 }
40
OnSetPolicy(bool & data,bool & currentData,bool & mergeData,int32_t userId)41 ErrCode DisableMtpClientPlugin::OnSetPolicy(bool &data, bool ¤tData, bool &mergeData, int32_t userId)
42 {
43 EDMLOGI("DisableMtpClientPlugin::OnSetPolicy, data: %{public}d, currentData: %{public}d, mergeData: %{public}d",
44 data, currentData, mergeData);
45 std::vector<AccountSA::OsAccountInfo> accounts;
46 ErrCode ret = OHOS::AccountSA::OsAccountManager::QueryAllCreatedOsAccounts(accounts);
47 EDMLOGI("DisableMtpClientPlugin::OnSetPolicy, QueryAllCreatedOsAccounts ret: %{public}d", ret);
48 if (FAILED(ret) || accounts.empty()) {
49 EDMLOGE("DisableMtpClientPlugin::OnSetPolicy, QueryAllCreatedOsAccounts failed");
50 return EdmReturnErrCode::SYSTEM_ABNORMALLY;
51 }
52 for (size_t i = 0; i < accounts.size(); i++) {
53 auto policyManager = IPolicyManager::GetInstance();
54 std::string disableUserMtpClientPolicy;
55 policyManager->GetPolicy("", PolicyName::POLICY_DISABLED_USER_MTP_CLIENT, disableUserMtpClientPolicy,
56 accounts[i].GetLocalId());
57 if (disableUserMtpClientPolicy == "true" && data == true) { // 如果用户级存在只读策略时，设备级想设置为禁用策略，则返回策略冲突
58 EDMLOGE("DisableMtpClientPlugin configuration conflict");
59 return EdmReturnErrCode::CONFIGURATION_CONFLICT_FAILED;
60 }
61 }
62
63 if (mergeData) {
64 currentData = data;
65 return ERR_OK;
66 }
67 if (!persistParam_.empty() && !system::SetParameter(persistParam_, data ? "true" : "false")) {
68 EDMLOGE("DisableMtpClientPlugin set param failed.");
69 return EdmReturnErrCode::SYSTEM_ABNORMALLY;
70 }
71 currentData = data;
72 mergeData = data;
73 return ERR_OK;
74 }
75 } // namespace EDM
76 } // namespace OHOS
77