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snltty
2024-08-04 11:07:52 +08:00
parent 45a4055237
commit 2f3b184263
6 changed files with 305 additions and 319 deletions
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89
linker.tun/LinkerLinuxTunDevice.cs
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@@ -3,8 +3,6 @@ using linker.libs.extends;
using Microsoft.Win32.SafeHandles;
using System.Net;
using System.Runtime.InteropServices;
using System.Text;
using static System.Runtime.InteropServices.JavaScript.JSType;
namespace linker.tun
{
@@ -71,7 +69,6 @@ namespace linker.tun
return true;
}
private bool Open(out string error)
{
error = string.Empty;
@@ -84,12 +81,8 @@ namespace linker.tun
error = $"open file /dev/net/tun fail {Marshal.GetLastWin32Error()}";
return false;
}
byte[] ifreqFREG0 = Encoding.ASCII.GetBytes(this.Name);
Array.Resize(ref ifreqFREG0, 16);
byte[] ifreqFREG1 = { 0x01, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
byte[] ifreq = BytesPlusBytes(ifreqFREG0, ifreqFREG1);
int ioctl = Ioctl(_safeFileHandle, 1074025674, ifreq);
int ioctl = LinuxAPI.Ioctl(Name, _safeFileHandle, 1074025674);
if (ioctl != 0)
{
_safeFileHandle?.Dispose();
@@ -119,9 +112,8 @@ namespace linker.tun
fs?.Close();
fs?.Dispose();
}
catch (Exception ex)
catch (Exception)
{
Console.WriteLine(ex.ToString());
}
fs = null;
@@ -235,84 +227,7 @@ namespace linker.tun
return string.Empty;
}
public const int O_ACCMODE = 0x00000003;
public const int O_RDONLY = 0x00000000;
public const int O_WRONLY = 0x00000001;
public const int O_RDWR = 0x00000002;
public const int O_CREAT = 0x00000040;
public const int O_EXCL = 0x00000080;
public const int O_NOCTTY = 0x00000100;
public const int O_TRUNC = 0x00000200;
public const int O_APPEND = 0x00000400;
public const int O_NONBLOCK = 0x00000800;
public const int O_NDELAY = 0x00000800;
public const int O_SYNC = 0x00101000;
public const int O_ASYNC = 0x00002000;
[DllImport("libc.so.6", EntryPoint = "open", SetLastError = true)]
public static extern int Open(string fileName, int mode);
[DllImport("libc.so.6", EntryPoint = "close", SetLastError = true)]
public static extern int Close(int fd);
[DllImport("libc.so.6", EntryPoint = "ioctl", SetLastError = true)]
public static extern int Ioctl(int fd, UInt32 request, byte[] dat);
[DllImport("libc.so.6", EntryPoint = "read", SetLastError = true)]
internal static extern int Read(int handle, byte[] data, int length);
[DllImport("libc.so.6", EntryPoint = "read", SetLastError = true)]
internal static extern int Read(int handle, IntPtr data, int length);
[DllImport("libc.so.6", EntryPoint = "write", SetLastError = true)]
internal static extern int Write(int handle, byte[] data, int length);
[DllImport("libc.so.6", EntryPoint = "ioctl", SetLastError = true)]
private static extern int Ioctl(SafeHandle device, UInt32 request, byte[] dat);
private byte[] BytesPlusBytes(byte[] A, byte[] B)
{
byte[] ret = new byte[A.Length + B.Length - 1 + 1];
int k = 0;
for (var i = 0; i <= A.Length - 1; i++)
ret[i] = A[i];
k = A.Length;
for (var i = k; i <= ret.Length - 1; i++)
ret[i] = B[i - k];
return ret;
}
}
public static class LinuxAPI
{
public const int O_ACCMODE = 0x00000003;
public const int O_RDONLY = 0x00000000;
public const int O_WRONLY = 0x00000001;
public const int O_RDWR = 0x00000002;
public const int O_CREAT = 0x00000040;
public const int O_EXCL = 0x00000080;
public const int O_NOCTTY = 0x00000100;
public const int O_TRUNC = 0x00000200;
public const int O_APPEND = 0x00000400;
public const int O_NONBLOCK = 0x00000800;
public const int O_NDELAY = 0x00000800;
public const int O_SYNC = 0x00101000;
public const int O_ASYNC = 0x00002000;
[DllImport("libc.so.6", EntryPoint = "open", SetLastError = true)]
public static extern int Open(string fileName, int mode);
[DllImport("libc.so.6", EntryPoint = "close", SetLastError = true)]
public static extern int Close(int fd);
[DllImport("libc.so.6", EntryPoint = "ioctl", SetLastError = true)]
public static extern int Ioctl(int fd, UInt32 request, byte[] dat);
[DllImport("libc.so.6", EntryPoint = "read", SetLastError = true)]
internal static extern int Read(int handle, byte[] data, int length);
[DllImport("libc.so.6", EntryPoint = "read", SetLastError = true)]
internal static extern int Read(int handle, IntPtr data, int length);
[DllImport("libc.so.6", EntryPoint = "write", SetLastError = true)]
internal static extern int Write(int handle, byte[] data, int length);
}
}