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 = WMI.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);
}
}