1 /*
2  * Copyright (c) 2023 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 "domain_executer.h"
17 
18 #include <iostream>
19 #include <sstream>
20 
21 #include "edm_log.h"
22 
23 namespace OHOS {
24 namespace EDM {
25 namespace IPTABLES {
26 
27 const std::string SELECT_TABLE_OPTION = "-t ";
28 
DomainExecuter(const std::string & chainName)29 DomainExecuter::DomainExecuter(const std::string& chainName) : IExecuter(chainName)
30 {
31 }
32 
Init()33 ErrCode DomainExecuter::Init()
34 {
35     std::ostringstream oss;
36     oss << SELECT_TABLE_OPTION << tableName_ << " -I OUTPUT -p udp --dport 53 -j " << chainName_;
37     std::string result;
38     ErrCode ret = ExecuterUtils::GetInstance()->Execute(oss.str(), result);
39     if (ret != ERR_OK) {
40         EDMLOGE("DomainExecuter:Init error.");
41         return EdmReturnErrCode::SYSTEM_ABNORMALLY;
42     }
43     return ERR_OK;
44 }
45 } // namespace IPTABLES
46 } // namespace EDM
47 } // namespace OHOS