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Worked on core interface, seperated out ConnectionInfo class, added more event handlers.

This commit is contained in:
Brandon Scott 2019-01-29 19:56:53 -06:00
parent 2f58b4a76f
commit caff2c3c25
5 changed files with 162 additions and 112 deletions
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16
ProxyServerSharp/Implementation/ConnectionInfo.cs Normal file
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@ -0,0 +1,16 @@
using System;
using System.Collections.Generic;
using System.Net.Sockets;
using System.Text;
using System.Threading;
namespace ProxyServerSharp.Implementation
{
public class ConnectionInfo
{
public Socket LocalSocket { get; set; }
public Thread LocalThread { get; set; }
public Socket RemoteSocket { get; set; }
public Thread RemoteThread { get; set; }
}
}

50
ProxyServerSharp/Core/SOCKS4Server.cs → ProxyServerSharp/Implementation/Socks4ProxyCore.cs
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@ -1,41 +1,38 @@
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using System.Net.Sockets;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using ProxyServerSharp.Interfaces;
namespace ProxyServerSharp
namespace ProxyServerSharp.Implementation
{
class ConnectionInfo
class Socks4ProxyCore: IProxyCore
{
public Socket LocalSocket;
public Thread LocalThread;
public Socket RemoteSocket;
public Thread RemoteThread;
}
private readonly int _port;
private readonly int _transferUnitSize;
public delegate void ConnectEventHandler(object sender, IPEndPoint iep);
public delegate void ConnectionLogHandler(object sender, int code, string message);
class SOCKS4Server
{
private Socket _serverSocket;
private int _port;
private int _transferUnitSize;
private Thread _acceptThread;
private List<ConnectionInfo> _connections =
new List<ConnectionInfo>();
public event ConnectEventHandler LocalConnect;
public event ConnectEventHandler RemoteConnect;
public SOCKS4Server(int port, int transferUnitSize)
public Socks4ProxyCore(int port, int transferUnitSize)
{
_port = port;
_transferUnitSize = transferUnitSize;
}
public event LocalConnectEventHandler LocalConnect;
public event LocalDisconnectEventHandler LocalDisconnect;
public event LocalSentEventHandler LocalSent;
public event LocalReceiveEventHandler LocalReceive;
public event RemoteConnectEventHandler RemoteConnect;
public event RemoteDisconnectEventHandler RemoteDisconnect;
public event RemoteSendEventHandler RemoteSend;
public event RemoteReceivedEventHandler RemoteReceive;
public void Start()
{
SetupServerSocket();
@ -45,6 +42,11 @@ namespace ProxyServerSharp
_acceptThread.Start();
}
public void Shutdown()
{
throw new NotImplementedException();
}
private void SetupServerSocket()
{
IPEndPoint myEndpoint = new IPEndPoint(IPAddress.Loopback,
@ -75,8 +77,7 @@ namespace ProxyServerSharp
connection.LocalThread.IsBackground = true;
connection.LocalThread.Start(connection);
if (LocalConnect != null)
LocalConnect(this, (IPEndPoint)socket.RemoteEndPoint);
LocalConnect?.Invoke(this, (IPEndPoint)socket.RemoteEndPoint);
// Store the socket
lock (_connections) _connections.Add(connection);
@ -114,8 +115,7 @@ namespace ProxyServerSharp
{
Console.WriteLine("Connected to remote!");
if (RemoteConnect != null)
RemoteConnect(this, remoteEndPoint);
RemoteConnect?.Invoke(this, remoteEndPoint);
byte[] socksResponse = new byte[] {
0x00, 0x5a,

30
ProxyServerSharp/Interfaces/IProxyCore.cs Normal file
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@ -0,0 +1,30 @@
using System;
using System.Collections.Generic;
using System.Text;
namespace ProxyServerSharp.Interfaces
{
public delegate void LocalConnectEventHandler(object sender, System.Net.IPEndPoint iep);
public delegate void LocalDisconnectEventHandler(object sender);
public delegate void LocalSentEventHandler(object sender);
public delegate void LocalReceiveEventHandler(object sender);
public delegate void RemoteConnectEventHandler(object sender, System.Net.IPEndPoint iep);
public delegate void RemoteDisconnectEventHandler(object sender);
public delegate void RemoteSendEventHandler(object sender);
public delegate void RemoteReceivedEventHandler(object sender);
public interface IProxyCore
{
event LocalConnectEventHandler LocalConnect;
event LocalDisconnectEventHandler LocalDisconnect;
event LocalSentEventHandler LocalSent;
event LocalReceiveEventHandler LocalReceive;
event RemoteConnectEventHandler RemoteConnect;
event RemoteDisconnectEventHandler RemoteDisconnect;
event RemoteSendEventHandler RemoteSend;
event RemoteReceivedEventHandler RemoteReceive;
void Start();
void Shutdown();
}
}

12
ProxyServerSharp/MainForm.cs
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@ -5,12 +5,14 @@ using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using ProxyServerSharp.Implementation;
using ProxyServerSharp.Interfaces;
namespace ProxyServerSharp
{
public partial class MainForm : Form
{
SOCKS4Server server;
Socks4ProxyCore _proxyCore;
public MainForm()
{
@ -51,11 +53,11 @@ namespace ProxyServerSharp
{
if (startProxyButton.Text == "Start")
{
server = new SOCKS4Server(int.Parse(portTextBox.Text),
_proxyCore = new Socks4ProxyCore(int.Parse(portTextBox.Text),
int.Parse((string)transferUnitSizeComboBox.SelectedItem));
server.LocalConnect += new ConnectEventHandler(server_LocalConnect);
server.RemoteConnect += new ConnectEventHandler(server_RemoteConnect);
server.Start();
_proxyCore.LocalConnect += new LocalConnectEventHandler(server_LocalConnect);
_proxyCore.RemoteConnect += new RemoteConnectEventHandler(server_RemoteConnect);
_proxyCore.Start();
statusLabel.Text = "Started";
startProxyButton.Text = "Stop";
}

4
ProxyServerSharp/ProxyServerSharp.csproj
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@ -44,6 +44,8 @@
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="Implementation\ConnectionInfo.cs" />
<Compile Include="Interfaces\IProxyCore.cs" />
<Compile Include="MainForm.cs">
<SubType>Form</SubType>
</Compile>
@ -74,7 +76,7 @@
<DependentUpon>Settings.settings</DependentUpon>
<DesignTimeSharedInput>True</DesignTimeSharedInput>
</Compile>
<Compile Include="Core\SOCKS4Server.cs" />
<Compile Include="Implementation\Socks4ProxyCore.cs" />
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.