private List <PacketSummary> HandleIncomingData(string str)
{
List <PacketSummary> packets = new List <PacketSummary>();
try
{
int amountRead = 0;
while (amountRead < str.Length)
{
int recieveLength = Base64Encoding.DecodeInt32(str.Substring(amountRead, 3));
amountRead += 3;
string packet = str.Substring(amountRead, recieveLength);
PacketSummary summary = new PacketSummary(packet.Substring(0, 2), (packet.Substring(0, 2).Length > 0 ? packet.Substring(2) : ""));
packets.Add(summary);
amountRead += recieveLength;
}
}
catch { }
return(packets);
}
private void btnToB64_Click(object sender, EventArgs e)
{
try
{
string value = Base64Encoding.EncodeInt32(int.Parse(txtToB64.Text), 2);
txtFromB64.Text = value;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
public void ProcessPacketHooking(bool showMessage)
{
_hookedIncomingIds.Clear();
_hookedOutgoingIds.Clear();
foreach (DataRow row in _incomingDataTable.Rows)
{
string headerId = row.Field <string>(0);
string header = row.Field <string>(1);
if (headerId != null && headerId.Length > 0)
{
try
{
_hookedIncomingIds.Add(int.Parse(headerId));
continue;
}
catch { }
}
if (header != null && header.Length > 0)
{
_hookedIncomingIds.Add(Base64Encoding.DecodeInt32(header));
}
}
foreach (DataRow row in _outgoingDataTable.Rows)
{
string headerId = row.Field <string>(0);
string header = row.Field <string>(1);
if (headerId != null && headerId.Length > 0)
{
try
{
_hookedOutgoingIds.Add(int.Parse(headerId));
continue;
}
catch { }
}
if (header != null && header.Length > 0)
{
_hookedOutgoingIds.Add(Base64Encoding.DecodeInt32(header));
}
}
if (showMessage)
{
MessageBox.Show("Added " + _hookedIncomingIds.Count + " incoming headers and " + _hookedOutgoingIds.Count + " outgoing headers to be hooked.");
}
}
private void btnSendToServer_Click(object sender, EventArgs e)
{
string sendPacket = AddUnreadableCharacters("@" + Base64Encoding.EncodeInt32(txtSendData.Text.Length, 2) + txtSendData.Text);
byte[] data = Encoding.Default.GetBytes(sendPacket);
try
{
frmMain.Form.TcpForwarder.DestinationState.DestinationSocket.Send(data, data.Length, SocketFlags.None);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
private string BuildPacket(PacketSummary packet, string packetData, bool incoming)
{
string response;
if (this._incoming)
{
response = packet.Header + packetData;
response = "@" + Base64Encoding.EncodeInt32(response.Length, 2) + response;
}
else
{
response = packet.Header + packetData;
}
return(response);
}
private void btnFromB64_Click(object sender, EventArgs e)
{
try
{
try
{
int value = Base64Encoding.DecodeInt32(txtFromB64.Text);
txtToB64.Text = value + "";
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
public PacketSummary(string Header, string Data)
{
this.Header = Header;
this.HeaderId = Base64Encoding.DecodeInt32(this.Header);
this.Data = Data;
}