1 /*
2  * Copyright (c) 2024 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 #ifndef SYSTEM_VPN_WRAPPER_H
17 #define SYSTEM_VPN_WRAPPER_H
18 
19 #include <cstring>
20 #include "ffrt.h"
21 #include "i_netsys_service.h"
22 
23 #define IPSEC_PIDDIR "/data/service/el1/public/vpn"
24 
25 namespace OHOS {
26 namespace nmd {
27 using namespace NetsysNative;
28 class SystemVpnWrapper : public std::enable_shared_from_this<SystemVpnWrapper> {
29 public:
30     SystemVpnWrapper();
31     ~SystemVpnWrapper();
GetInstance()32     static std::shared_ptr<SystemVpnWrapper> &GetInstance()
33     {
34         static std::shared_ptr<SystemVpnWrapper> instance = std::make_shared<SystemVpnWrapper>();
35         return instance;
36     }
37 
38     /**
39      * update system vpn next stage by SysVpnStageCode
40      *
41      * @param stage one of the SysVpnStageCode
42      * @return NETMANAGER_SUCCESS suceess or NETMANAGER_ERROR failed
43      */
44     int32_t Update(SysVpnStageCode stage);
45 
46 private:
47     void ExecuteUpdate(SysVpnStageCode stage);
48 
49 private:
50     static constexpr const char *IPSEC_CMD_PATH = "/system/bin/ipsec";
51     const std::string VPN_STAGE_RESTART = "restart";
52     const std::string VPN_STAGE_SWANCTL_LOAD = "swanctl --load-all --file ";
53     const std::string VPN_STAGE_UP_HOME = "up home";
54     const std::string VPN_STAGE_DOWN_HOME = "down home";
55     const std::string VPN_STAGE_STOP = "stop";
56     const std::string VPN_STAGE_L2TP_LOAD = "xl2tpd -c ";
57     const std::string VPN_STAGE_L2TP_CTL = "l2tpctl";
58     const std::string IPSEC_L2TP_CTL = " -C " IPSEC_PIDDIR "/l2tp-control";
59     const std::string SWAN_CTL_FILE = IPSEC_PIDDIR "/swanctl.conf";
60     const std::string L2TP_CFG = IPSEC_PIDDIR "/xl2tpd.conf";
61     bool isIpSecAccess_ = false;
62     std::shared_ptr<ffrt::queue> vpnFfrtQueue_ = nullptr;
63     const std::string OPENVPN_CONFIG_FILE = IPSEC_PIDDIR "/config.ovpn";
64     const std::string VPN_STAGE_OPENVPN_RESTART = "restartopenvpn --config ";
65     const std::string VPN_STAGE_OPENVPN_STOP = "stopopenvpn";
66 };
67 } // namespace nmd
68 } // namespace OHOS
69 #endif /* SYSTEM_VPN_WRAPPER_H */
70