/// <summary>
/// 搜索出口和TUNTAP适配器
/// </summary>
public static bool SearchTapAdapter()
{
Global.TUNTAP.Adapter = null;
Global.TUNTAP.Index = -1;
Global.TUNTAP.ComponentID = TUNTAP.GetComponentID();
// 搜索 TUN/TAP 适配器的索引
if (string.IsNullOrEmpty(Global.TUNTAP.ComponentID))
{
Logging.Info("TAP 适配器未安装");
return(false);
}
// 根据 ComponentID 寻找 Tap适配器
try
{
var adapter = NetworkInterface.GetAllNetworkInterfaces().First(_ => _.Id == Global.TUNTAP.ComponentID);
Global.TUNTAP.Adapter = adapter;
Global.TUNTAP.Index = adapter.GetIPProperties().GetIPv4Properties().Index;
Logging.Info(
$"TAP 适配器：{adapter.Name} {adapter.Id} {adapter.Description}, index: {Global.TUNTAP.Index}");
return(true);
}
catch (Exception e)
{
var msg = e switch
{
InvalidOperationException _ => $"找不到标识符为 {Global.TUNTAP.ComponentID} 的 TAP 适配器: {e.Message}",
NetworkInformationException _ => $"获取 Tap 适配器信息错误: {e.Message}",
_ => $"Tap 适配器其他异常: {e}"
};
Logging.Error(msg);
return(false);
}
}
public static bool IsEqual(this NetworkInformationException @this, NetworkInformationException other)
{
// NetworkInformationException has a different StackTrace and HResult on Unix and OSX.
return(@this != null &&
other != null &&
@this.Data.CheckSequenceEquals(other.Data) &&
// @this.Message == other.Message && // Message is platform dependent, as it is generated by the platform from the error code
@this.Source == other.Source &&
@this.HelpLink == other.HelpLink &&
CheckEquals(@this.InnerException, other.InnerException));
}
public void Interfaces_ShouldLog_ExpectedException()
{
// Arrange
var exception = new NetworkInformationException();
_origin.Interfaces().Throws(exception);
var subject = new SafeSystemNetworkInterfaces(_logger, _origin);
// Act
_ = subject.Interfaces();
// Assert
_logger.ReceivedWithAnyArgs().Error("");
}
public void TestNetworkInformationException()
{
var value = new NetworkInformationException(12345);
try
{
ExceptionDispatchInfo.Capture(value).Throw();
}
catch (NetworkInformationException ex)
{
Assert.That(ex, Is.Not.SameAs(value));
Assert.That(ex.ErrorCode, Is.EqualTo(value.ErrorCode));
}
}
/// <summary>
/// 搜索出口和TUNTAP适配器
/// </summary>
public static bool SearchTapAdapter()
{
// 搜索 TUN/TAP 适配器的索引
if (string.IsNullOrEmpty(Global.TUNTAP.ComponentID = TUNTAP.GetComponentID()))
{
Logging.Info("找不到 TAP 适配器");
if (MessageBoxX.Show(i18N.Translate("TUN/TAP driver is not detected. Is it installed now?"),
confirm: true) == DialogResult.OK)
{
Configuration.addtap();
// 给点时间，不然立马安装完毕就查找适配器可能会导致找不到适配器ID
Thread.Sleep(1000);
if (string.IsNullOrEmpty(Global.TUNTAP.ComponentID = TUNTAP.GetComponentID()))
{
Logging.Error("找不到 TAP 适配器，驱动可能安装失败");
return(false);
}
}
else
{
Logging.Info("取消安装 TAP 驱动 ");
return(false);
}
}
// 根据 ComponentID 寻找 Tap适配器
try
{
var adapter = NetworkInterface.GetAllNetworkInterfaces().First(_ => _.Id == Global.TUNTAP.ComponentID);
Global.TUNTAP.Adapter = adapter;
Global.TUNTAP.Index = adapter.GetIPProperties().GetIPv4Properties().Index;
Logging.Info(
$"TAP 适配器：{adapter.Name} {adapter.Id} {adapter.Description}, index: {Global.TUNTAP.Index}");
}
catch (Exception e)
{
var msg = e switch
{
InvalidOperationException _ => $"找不到标识符为 {Global.TUNTAP.ComponentID} 的 TAP 适配器: {e.Message}",
NetworkInformationException _ => $"获取 Tap 适配器信息错误: {e.Message}",
_ => $"Tap 适配器其他异常: {e}"
};
Logging.Error(msg);
return(false);
}
return(true);
}
/// <summary>
/// 搜索出口和TUNTAP适配器
/// </summary>
public static bool SearchTapAdapter()
{
// 搜索 TUN/TAP 适配器的索引
if (string.IsNullOrEmpty(Global.TUNTAP.ComponentID = TUNTAP.GetComponentID()))
{
Logging.Info("TAP adapter not found");
if (MessageBoxX.Show(i18N.Translate("TUN/TAP driver is not detected. Is it installed now?"),
confirm: true) == DialogResult.OK)
{
TUNTAP.addtap();
// 给点时间，不然立马安装完毕就查找适配器可能会导致找不到适配器ID
Thread.Sleep(1000);
if (string.IsNullOrEmpty(Global.TUNTAP.ComponentID = TUNTAP.GetComponentID()))
{
Logging.Error("TAP adapter not found, The driver may fail to install");
return(false);
}
}
else
{
Logging.Info("TAP driver installation cancelled");
return(false);
}
}
// 根据 ComponentID 寻找 Tap适配器
try {
var adapter = NetworkInterface.GetAllNetworkInterfaces().First(_ => _.Id == Global.TUNTAP.ComponentID);
Global.TUNTAP.Adapter = adapter;
Global.TUNTAP.Index = adapter.GetIPProperties().GetIPv4Properties().Index;
Logging.Info(
$"TAP adapter: {adapter.Name} {adapter.Id} {adapter.Description}, index: {Global.TUNTAP.Index}");
} catch (Exception e) {
var msg = e switch
{
InvalidOperationException _ => $"Could not find tap adapter with identifier {Global.TUNTAP.ComponentID}: {e.Message}",
NetworkInformationException _ => $"Error getting tap adapter information: {e.Message}",
_ => $"Tap adapter other exceptions: {e}"
};
Logging.Error(msg);
return(false);
}
return(true);
}
private void Setup(StartIPOptions startIPOptions)
{
int num;
if (Socket.OSSupportsIPv4 && ((startIPOptions & StartIPOptions.StartIPv4) != StartIPOptions.None))
{
if (UnsafeNclNativeMethods.OSSOCK.WSAIoctl_Blocking(this.ipv4Socket.DangerousGetHandle(), 0x28000017, null, 0, null, 0, out num, SafeNativeOverlapped.Zero, IntPtr.Zero) != SocketError.Success)
{
NetworkInformationException exception = new NetworkInformationException();
if (exception.ErrorCode != 0x2733L)
{
this.Dispose();
return;
}
}
if (UnsafeNclNativeMethods.OSSOCK.WSAEventSelect(this.ipv4Socket, this.ipv4Socket.GetEventHandle().SafeWaitHandle, AsyncEventBits.FdAddressListChange) != SocketError.Success)
{
this.Dispose();
return;
}
}
if (Socket.OSSupportsIPv6 && ((startIPOptions & StartIPOptions.StartIPv6) != StartIPOptions.None))
{
if (UnsafeNclNativeMethods.OSSOCK.WSAIoctl_Blocking(this.ipv6Socket.DangerousGetHandle(), 0x28000017, null, 0, null, 0, out num, SafeNativeOverlapped.Zero, IntPtr.Zero) != SocketError.Success)
{
NetworkInformationException exception2 = new NetworkInformationException();
if (exception2.ErrorCode != 0x2733L)
{
this.Dispose();
return;
}
}
if (UnsafeNclNativeMethods.OSSOCK.WSAEventSelect(this.ipv6Socket, this.ipv6Socket.GetEventHandle().SafeWaitHandle, AsyncEventBits.FdAddressListChange) != SocketError.Success)
{
this.Dispose();
}
}
}
/// <summary>
/// 搜索出口和TUNTAP适配器
/// </summary>
private static bool SearchAdapters()
{
// 寻找出口适配器
if (Win32Native.GetBestRoute(BitConverter.ToUInt32(IPAddress.Parse("114.114.114.114").GetAddressBytes(), 0), 0, out var pRoute) != 0)
{
Logging.Error("GetBestRoute 搜索失败(找不到出口适配器)");
return(false);
}
Global.Adapter.Index = pRoute.dwForwardIfIndex;
// 搜索 TUN/TAP 适配器的索引
if (string.IsNullOrEmpty(Global.TUNTAP.ComponentID = TUNTAP.GetComponentID()))
{
Logging.Info("找不到 TAP 适配器");
if (MessageBoxX.Show(i18N.Translate("TUN/TAP driver is not detected. Is it installed now?"), confirm: true) == DialogResult.OK)
{
Configuration.addtap();
// 给点时间，不然立马安装完毕就查找适配器可能会导致找不到适配器ID
Thread.Sleep(1000);
if (string.IsNullOrEmpty(Global.TUNTAP.ComponentID = TUNTAP.GetComponentID()))
{
Logging.Error("找不到 TAP 适配器，驱动可能安装失败");
return(false);
}
}
else
{
Logging.Info("取消安装 TAP 驱动 ");
return(false);
}
}
// 根据 IP Index 寻找 出口适配器
var errorAdaptersId = new List <string>();
try
{
var adapter = NetworkInterface.GetAllNetworkInterfaces().First(_ =>
{
try
{
return(_.GetIPProperties().GetIPv4Properties().Index == Global.Adapter.Index);
}
catch (NetworkInformationException)
{
errorAdaptersId.Add(_.Id);
return(false);
}
});
Global.Adapter.Address = adapter.GetIPProperties().UnicastAddresses.First(ip => ip.Address.AddressFamily == AddressFamily.InterNetwork).Address;
Global.Adapter.Gateway = new IPAddress(pRoute.dwForwardNextHop);
Logging.Info($"出口 IPv4 地址：{Global.Adapter.Address}");
Logging.Info($"出口 网关 地址：{Global.Adapter.Gateway}");
Logging.Info($"出口适配器：{adapter.Name} {adapter.Id} {adapter.Description}, index: {Global.Adapter.Index}");
}
catch (Exception e)
{
Logging.Error($"找不到 IP Index 为 {Global.Adapter.Index} 的出口适配器: {e.Message}");
PrintAdapters();
return(false);
}
// 根据 ComponentID 寻找 Tap适配器
try
{
var adapter = NetworkInterface.GetAllNetworkInterfaces().First(_ => _.Id == Global.TUNTAP.ComponentID);
Global.TUNTAP.Adapter = adapter;
Global.TUNTAP.Index = adapter.GetIPProperties().GetIPv4Properties().Index;
Logging.Info($"TAP 适配器：{adapter.Name} {adapter.Id} {adapter.Description}, index: {Global.TUNTAP.Index}");
}
catch (Exception e)
{
var msg = e switch
{
InvalidOperationException _ => $"找不到标识符为 {Global.TUNTAP.ComponentID} 的 TAP 适配器: {e.Message}",
NetworkInformationException _ => $"获取 Tap 适配器信息错误: {e.Message}",
_ => $"Tap 适配器其他异常: {e}"
};
Logging.Error(msg);
PrintAdapters();
return(false);
}
return(true);
void PrintAdapters()
{
Logging.Info("所有适配器:\n" +
NetworkInterface.GetAllNetworkInterfaces().Aggregate(string.Empty, (current, adapter)
=> current + $"{ /*如果加了 ’*‘ 代表遍历中出现异常的适配器 */(errorAdaptersId.Contains(adapter.Id) ? "*" : "")}{adapter.Name} {adapter.Id} {adapter.Description}{Global.EOF}"));
}
}
public WrapperNetworkInformationException(NetworkInformationException inner)
: base(inner.ErrorCode)
{
this._innerStackTrace = inner.StackTrace;
}
private unsafe void Setup(StartIPOptions startIPOptions)
{
int length;
SocketError errorCode;
if (Socket.SupportsIPv4 && (startIPOptions & StartIPOptions.StartIPv4) != 0){
errorCode = (SocketError)UnsafeNclNativeMethods.OSSOCK.WSAIoctl_Blocking(
ipv4Socket.DangerousGetHandle(),
(int) IOControlCode.AddressListChange,
null, 0, null, 0,
out length,
IntPtr.Zero, IntPtr.Zero);
if (errorCode != SocketError.Success) {
NetworkInformationException exception = new NetworkInformationException();
if (exception.ErrorCode != (uint)SocketError.WouldBlock) {
Dispose();
return;
}
}
errorCode = (SocketError)UnsafeNclNativeMethods.OSSOCK.WSAEventSelect(ipv4Socket, ipv4Socket.GetEventHandle().SafeWaitHandle, AsyncEventBits.FdAddressListChange);
if (errorCode != SocketError.Success) {
Dispose();
return;
}
}
if(Socket.OSSupportsIPv6 && (startIPOptions & StartIPOptions.StartIPv6) !=0){
errorCode = (SocketError) UnsafeNclNativeMethods.OSSOCK.WSAIoctl_Blocking(
ipv6Socket.DangerousGetHandle(),
(int) IOControlCode.AddressListChange,
null, 0, null, 0,
out length,
IntPtr.Zero, IntPtr.Zero);
if (errorCode != SocketError.Success) {
NetworkInformationException exception = new NetworkInformationException();
if (exception.ErrorCode != (uint)SocketError.WouldBlock) {
Dispose();
return;
}
}
errorCode = (SocketError)UnsafeNclNativeMethods.OSSOCK.WSAEventSelect(ipv6Socket, ipv6Socket.GetEventHandle().SafeWaitHandle, AsyncEventBits.FdAddressListChange);
if (errorCode != SocketError.Success) {
Dispose();
return;
}
}
}
