Exemple #1
0
        public static bool Enable()
        {
            Utils.Utils.SearchOutboundAdapter();
            TUNTAPController.SearchTapAdapter();

            if (Global.TUNTAP.Adapter == null || Global.Outbound.Adapter == null)
            {
                return(false);
            }

            try
            {
                CleanupWMISharingEntries();

                #region Save Outbound IP Config

                var wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");
                var moc = wmi.GetInstances();

                var      dhcpEnabled   = true;
                string[] ipAddress     = null;
                string[] subnetMask    = null;
                string[] gateway       = null;
                ushort[] gatewayMetric = null;
                string[] dns           = null;

                var outboundWmi = GetManagementObjectByDeviceNameOrDefault(Global.Outbound.Adapter.Description);

                if (outboundWmi == null)
                {
                    return(false);
                }

                if (!(dhcpEnabled = (bool)outboundWmi["DHCPEnabled"]))
                {
                    ipAddress     = (string[])outboundWmi["IPAddress"];
                    subnetMask    = (string[])outboundWmi["IPSubnet"];
                    gateway       = (string[])outboundWmi["DefaultIPGateway"];
                    gatewayMetric = (ushort[])outboundWmi["GatewayCostMetric"];
                    dns           = (string[])outboundWmi["DNSServerSearchOrder"];

                    ipAddress  = new[] { ipAddress[0] };
                    subnetMask = new[] { subnetMask[0] };
                }

                #endregion

                #region Setting ICS

                foreach (NetworkConnection connection in new NetworkConnectionCollection())
                {
                    if (connection.DeviceName == Global.TUNTAP.Adapter.Description)
                    {
                        if (connection.SharingEnabled)
                        {
                            connection.DisableSharing();
                        }
                        connection.EnableSharing(tagSHARINGCONNECTIONTYPE.ICSSHARINGTYPE_PUBLIC);
                    }
                    else if (connection.DeviceName == Global.Outbound.Adapter.Description)
                    {
                        if (connection.SharingEnabled)
                        {
                            connection.DisableSharing();
                        }
                        connection.EnableSharing(tagSHARINGCONNECTIONTYPE.ICSSHARINGTYPE_PRIVATE);
                    }
                }

                #endregion

                #region Reset Outbound IP Config

                if (dhcpEnabled)
                {
                    outboundWmi.InvokeMethod("EnableDHCP", null, null);
                }
                else
                {
                    //Set static IP and subnet mask
                    var newIP = outboundWmi.GetMethodParameters("EnableStatic");
                    newIP["IPAddress"]  = ipAddress;
                    newIP["SubnetMask"] = subnetMask;
                    outboundWmi.InvokeMethod("EnableStatic", newIP, null);
                    //Set default gateway
                    var newGateway = outboundWmi.GetMethodParameters("SetGateways");
                    newGateway["DefaultIPGateway"]  = gateway;
                    newGateway["GatewayCostMetric"] = gatewayMetric;
                    outboundWmi.InvokeMethod("SetGateways", newGateway, null);
                    //Set dns servers
                    var newDNS = outboundWmi.GetMethodParameters("SetDNSServerSearchOrder");
                    newDNS["DNSServerSearchOrder"] = dns;
                    outboundWmi.InvokeMethod("SetDNSServerSearchOrder", newDNS, null);
                }

                #endregion

                return(true);
            }
            catch (Exception e)
            {
                try
                {
                    Disable();
                }
                catch
                {
                    // ignored
                }

                Logging.Error($"网络连接共享设置失败: {e}");

                return(false);
            }
        }