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Add FrmTunnelTCP

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This commit is contained in:
Valeriano A.R.
2017-12-11 02:11:22 +01:00
parent 5a540266bf
commit 2d168c5be6
5 changed files with 456 additions and 4 deletions
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21
VAR.Toolbox/UI/FrmToolbox.Designer.cs generated
View File

@@ -32,6 +32,7 @@
this.btnBase64 = new System.Windows.Forms.Button();
this.btnProxyCmd = new System.Windows.Forms.Button();
this.btnWebcam = new System.Windows.Forms.Button();
this.btnTunnelTCP = new System.Windows.Forms.Button();
this.pnlSuspension1 = new VAR.Toolbox.UI.PnlSuspension();
this.pnlCover1 = new VAR.Toolbox.UI.PnlCover();
this.SuspendLayout();
@@ -75,11 +76,23 @@
this.btnWebcam.UseVisualStyleBackColor = true;
this.btnWebcam.Click += new System.EventHandler(this.btnWebcam_Click);
//
// btnTunnelTCP
//
this.btnTunnelTCP.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.btnTunnelTCP.Location = new System.Drawing.Point(18, 208);
this.btnTunnelTCP.Name = "btnTunnelTCP";
this.btnTunnelTCP.Size = new System.Drawing.Size(278, 55);
this.btnTunnelTCP.TabIndex = 5;
this.btnTunnelTCP.Text = "TunnelTCP";
this.btnTunnelTCP.UseVisualStyleBackColor = true;
this.btnTunnelTCP.Click += new System.EventHandler(this.btnTunnelTCP_Click);
//
// pnlSuspension1
//
this.pnlSuspension1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.pnlSuspension1.Location = new System.Drawing.Point(18, 373);
this.pnlSuspension1.Location = new System.Drawing.Point(18, 432);
this.pnlSuspension1.Name = "pnlSuspension1";
this.pnlSuspension1.Size = new System.Drawing.Size(278, 175);
this.pnlSuspension1.TabIndex = 4;
@@ -88,7 +101,7 @@
//
this.pnlCover1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.pnlCover1.Location = new System.Drawing.Point(18, 219);
this.pnlCover1.Location = new System.Drawing.Point(18, 278);
this.pnlCover1.Name = "pnlCover1";
this.pnlCover1.Size = new System.Drawing.Size(278, 148);
this.pnlCover1.TabIndex = 3;
@@ -97,7 +110,8 @@
//
this.AutoScaleDimensions = new System.Drawing.SizeF(9F, 20F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(309, 560);
this.ClientSize = new System.Drawing.Size(309, 619);
this.Controls.Add(this.btnTunnelTCP);
this.Controls.Add(this.pnlSuspension1);
this.Controls.Add(this.pnlCover1);
this.Controls.Add(this.btnWebcam);
@@ -122,6 +136,7 @@
private System.Windows.Forms.Button btnWebcam;
private PnlCover pnlCover1;
private PnlSuspension pnlSuspension1;
private System.Windows.Forms.Button btnTunnelTCP;
}
}

6
VAR.Toolbox/UI/FrmToolbox.cs
View File

@@ -32,6 +32,11 @@ namespace VAR.Toolbox.UI
CreateWindow(typeof(FrmWebcam));
}
private void btnTunnelTCP_Click(object sender, EventArgs e)
{
CreateWindow(typeof(FrmTunnelTCP));
}
#region Window handling
private Form CreateWindow(Type type)
@@ -85,6 +90,5 @@ namespace VAR.Toolbox.UI
}
#endregion Window handling
}
}

161
VAR.Toolbox/UI/FrmTunnelTCP.Designer.cs generated Normal file
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@@ -0,0 +1,161 @@
namespace VAR.Toolbox.UI
{
partial class FrmTunnelTCP
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.btnRun = new System.Windows.Forms.Button();
this.btnStop = new System.Windows.Forms.Button();
this.lblRemoteHost = new System.Windows.Forms.Label();
this.lblRemotePort = new System.Windows.Forms.Label();
this.lblLocalPort = new System.Windows.Forms.Label();
this.txtRemoteHost = new System.Windows.Forms.TextBox();
this.txtRemotePort = new System.Windows.Forms.TextBox();
this.txtLocalPort = new System.Windows.Forms.TextBox();
this.lsbOutput = new System.Windows.Forms.ListBox();
this.SuspendLayout();
//
// btnRun
//
this.btnRun.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.btnRun.Location = new System.Drawing.Point(356, 368);
this.btnRun.Name = "btnRun";
this.btnRun.Size = new System.Drawing.Size(83, 45);
this.btnRun.TabIndex = 0;
this.btnRun.Text = "Run";
this.btnRun.UseVisualStyleBackColor = true;
this.btnRun.Click += new System.EventHandler(this.btnRun_Click);
//
// btnStop
//
this.btnStop.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.btnStop.Location = new System.Drawing.Point(275, 368);
this.btnStop.Name = "btnStop";
this.btnStop.Size = new System.Drawing.Size(75, 45);
this.btnStop.TabIndex = 1;
this.btnStop.Text = "Stop";
this.btnStop.UseVisualStyleBackColor = true;
this.btnStop.Click += new System.EventHandler(this.btnStop_Click);
//
// lblRemoteHost
//
this.lblRemoteHost.AutoSize = true;
this.lblRemoteHost.Location = new System.Drawing.Point(12, 15);
this.lblRemoteHost.Name = "lblRemoteHost";
this.lblRemoteHost.Size = new System.Drawing.Size(100, 20);
this.lblRemoteHost.TabIndex = 2;
this.lblRemoteHost.Text = "RemoteHost";
//
// lblRemotePort
//
this.lblRemotePort.AutoSize = true;
this.lblRemotePort.Location = new System.Drawing.Point(12, 47);
this.lblRemotePort.Name = "lblRemotePort";
this.lblRemotePort.Size = new System.Drawing.Size(95, 20);
this.lblRemotePort.TabIndex = 3;
this.lblRemotePort.Text = "RemotePort";
//
// lblLocalPort
//
this.lblLocalPort.AutoSize = true;
this.lblLocalPort.Location = new System.Drawing.Point(12, 79);
this.lblLocalPort.Name = "lblLocalPort";
this.lblLocalPort.Size = new System.Drawing.Size(76, 20);
this.lblLocalPort.TabIndex = 4;
this.lblLocalPort.Text = "LocalPort";
//
// txtRemoteHost
//
this.txtRemoteHost.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.txtRemoteHost.Location = new System.Drawing.Point(118, 12);
this.txtRemoteHost.Name = "txtRemoteHost";
this.txtRemoteHost.Size = new System.Drawing.Size(321, 26);
this.txtRemoteHost.TabIndex = 5;
//
// txtRemotePort
//
this.txtRemotePort.Location = new System.Drawing.Point(118, 44);
this.txtRemotePort.Name = "txtRemotePort";
this.txtRemotePort.Size = new System.Drawing.Size(100, 26);
this.txtRemotePort.TabIndex = 6;
//
// txtLocalPort
//
this.txtLocalPort.Location = new System.Drawing.Point(118, 76);
this.txtLocalPort.Name = "txtLocalPort";
this.txtLocalPort.Size = new System.Drawing.Size(100, 26);
this.txtLocalPort.TabIndex = 7;
//
// lsbOutput
//
this.lsbOutput.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.lsbOutput.FormattingEnabled = true;
this.lsbOutput.ItemHeight = 20;
this.lsbOutput.Location = new System.Drawing.Point(12, 108);
this.lsbOutput.Name = "lsbOutput";
this.lsbOutput.Size = new System.Drawing.Size(427, 244);
this.lsbOutput.TabIndex = 8;
//
// FrmTunnelTCP
//
this.AutoScaleDimensions = new System.Drawing.SizeF(9F, 20F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(451, 425);
this.Controls.Add(this.lsbOutput);
this.Controls.Add(this.txtLocalPort);
this.Controls.Add(this.txtRemotePort);
this.Controls.Add(this.txtRemoteHost);
this.Controls.Add(this.lblLocalPort);
this.Controls.Add(this.lblRemotePort);
this.Controls.Add(this.lblRemoteHost);
this.Controls.Add(this.btnStop);
this.Controls.Add(this.btnRun);
this.MinimumSize = new System.Drawing.Size(473, 372);
this.Name = "FrmTunnelTCP";
this.Text = "TunnelTCP";
this.Load += new System.EventHandler(this.FrmTunnelTCP_Load);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.Button btnRun;
private System.Windows.Forms.Button btnStop;
private System.Windows.Forms.Label lblRemoteHost;
private System.Windows.Forms.Label lblRemotePort;
private System.Windows.Forms.Label lblLocalPort;
private System.Windows.Forms.TextBox txtRemoteHost;
private System.Windows.Forms.TextBox txtRemotePort;
private System.Windows.Forms.TextBox txtLocalPort;
private System.Windows.Forms.ListBox lsbOutput;
}
}

266
VAR.Toolbox/UI/FrmTunnelTCP.cs Normal file
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@@ -0,0 +1,266 @@
using System;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Windows.Forms;
namespace VAR.Toolbox.UI
{
public partial class FrmTunnelTCP : Form
{
private bool _running = false;
private class ConnectedClient
{
public string hostRemoto = null;
public int puertoRemoto = 0;
public Socket socketCliente = null;
}
public FrmTunnelTCP()
{
InitializeComponent();
}
private void FrmTunnelTCP_Load(object sender, EventArgs e)
{
btnStop.Enabled = false;
btnRun.Enabled = true;
}
private void btnStop_Click(object sender, EventArgs e)
{
if (_running == false) { return; }
_running = false;
btnStop.Enabled = false;
btnRun.Enabled = true;
}
private void btnRun_Click(object sender, EventArgs e)
{
if (_running == true) { return; }
_running = true;
btnStop.Enabled = true;
btnRun.Enabled = false;
lsbOutput.Items.Clear();
string remoteHost = txtRemoteHost.Text;
int remotePort = Convert.ToInt32(txtRemotePort.Text);
int localPort = Convert.ToInt32(txtLocalPort.Text);
Thread thread = new Thread(() =>
{
TunnelTCP(remoteHost, remotePort, localPort);
});
thread.Start();
}
private void lblOutput_AddText(string text)
{
if (lsbOutput.InvokeRequired)
{
lsbOutput.Invoke((MethodInvoker)(() => { lsbOutput.Items.Add(text); }));
}
else
{
lsbOutput.Items.Add(text);
}
}
private void TunnelTCP(string remoteHost, int remotePort, int localPort)
{
try
{
Socket sock;
sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sock.Bind(new IPEndPoint(IPAddress.Any, localPort));
sock.Listen(1000);
while (_running)
{
if (sock.Poll(100, SelectMode.SelectRead))
{
Socket sockCliente = sock.Accept();
sockCliente.Blocking = false;
sockCliente.SetSocketOption(SocketOptionLevel.Tcp, SocketOptionName.NoDelay, true);
ConnectedClient client = new ConnectedClient
{
hostRemoto = remoteHost,
puertoRemoto = remotePort,
socketCliente = sockCliente,
};
Thread thread = new Thread(() =>
{
ProcessClient(client);
});
thread.Start();
}
}
sock.Close();
}
catch (Exception ex)
{
lblOutput_AddText("Excepcion: " + ex.Message);
lblOutput_AddText("Backtrace:");
lblOutput_AddText(ex.StackTrace);
}
}
private void ProcessClient(ConnectedClient client)
{
try
{
Socket remoteSock = null;
Socket clientSock = client.socketCliente;
bool threadRunning;
byte[] buffer = new byte[4096];
int len;
long totalSent = 0;
long totalRecv = 0;
// Info
lblOutput_AddText(
DateTime.Now.ToString() +
" Nuevo Cliente: " +
((IPEndPoint)clientSock.RemoteEndPoint).Address);
// Conectar al host remoto
IPHostEntry EntryHostRemoto = Dns.GetHostEntry(client.hostRemoto);
IPAddress ipHostRemoto = null;
foreach (IPAddress addr in EntryHostRemoto.AddressList)
{
if (addr.AddressFamily == AddressFamily.InterNetwork)
{
ipHostRemoto = addr;
break;
}
}
IPEndPoint endpHostRemoto = new IPEndPoint(ipHostRemoto, client.puertoRemoto);
remoteSock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
remoteSock.Connect(endpHostRemoto);
// Bucle de recepcion y envio entre el cliente y el servidor remoto
threadRunning = true;
while (threadRunning && _running)
{
// Comprobar recepcion del cliente
if (clientSock.Poll(100, SelectMode.SelectRead))
{
if (clientSock.Available == 0)
{
// Cliente cierra conexion
threadRunning = false;
}
else
{
// Obtener y enviar al remoto
len = clientSock.Receive(buffer, 0, buffer.Length, 0);
int enviado = 0;
do
{
try
{
enviado = remoteSock.Send(buffer, 0, len, 0);
}
catch (Exception ex)
{
lblOutput_AddText("No se pudo enviar... (" + ex.Message + ")");
}
totalRecv += enviado;
} while (enviado <= 0 && remoteSock.Connected);
}
}
// Comprobar recepcion del remoto
if (remoteSock.Poll(100, SelectMode.SelectRead))
{
if (remoteSock.Available == 0)
{
// Remoto cierra conexion
threadRunning = false;
}
else
{
// Obtener y enviar al cliente
len = remoteSock.Receive(buffer, 0, buffer.Length, 0);
int enviado = 0;
do
{
try
{
enviado = clientSock.Send(buffer, 0, len, 0);
}
catch (Exception ex)
{
lblOutput_AddText("No se pudo enviar... (" + ex.Message + ")");
Thread.Sleep(10);
}
totalSent += enviado;
} while (enviado <= 0 && clientSock.Connected);
}
}
}
// Info
lblOutput_AddText(
DateTime.Now.ToString() +
" Desconexion de cliente: " +
((IPEndPoint)clientSock.RemoteEndPoint).Address +
" IN/OUT: " + UnidadesBytes(totalRecv) + "/" + UnidadesBytes(totalSent));
// Cerrar conexiones
remoteSock.Close();
clientSock.Close();
}
catch (Exception ex)
{
lblOutput_AddText("Excepcion: " + ex.Message);
lblOutput_AddText("Backtrace:");
lblOutput_AddText(ex.StackTrace);
}
}
public static byte[] StrToByteArray(string str)
{
System.Text.UTF8Encoding encoding = new System.Text.UTF8Encoding();
return encoding.GetBytes(str);
}
private static string UnidadesBytes(long n)
{
double number = n;
if (number < 1024)
{
return string.Format("{0} B", number);
}
number = number / 1024.0;
if (number < 1024)
{
return string.Format("{0:#.00} KiB", number);
}
number = number / 1024.0;
if (number < 1024)
{
return string.Format("{0:#.00} MiB", number);
}
number = number / 1024.0;
if (number < 1024)
{
return string.Format("{0:#.00} GiB", number);
}
number = number / 1024.0;
return string.Format("{0:#.00} TiB", number);
}
}
}

6
VAR.Toolbox/VAR.Toolbox.csproj
View File

@@ -106,6 +106,12 @@
<Compile Include="UI\FrmProxyCmd.Designer.cs">
<DependentUpon>FrmProxyCmd.cs</DependentUpon>
</Compile>
<Compile Include="UI\FrmTunnelTCP.cs">
<SubType>Form</SubType>
</Compile>
<Compile Include="UI\FrmTunnelTCP.Designer.cs">
<DependentUpon>FrmTunnelTCP.cs</DependentUpon>
</Compile>
<Compile Include="UI\FrmToolbox.cs">
<SubType>Form</SubType>
</Compile>