private void btn_send_packet_Click(object sender, EventArgs e)
{
if (txt_src_mac_enabled)
{
try { packetBuilder.src_mac = txt_src_mac.Text; }
catch (Exception ex)
{
Console.WriteLine("Invalid source MAC address: " + ex.Message);
MessageBox.Show("Invalid source MAC address", "Packet Sender - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
if (txt_src_ip_enabled)
{
try { packetBuilder.src_ip = txt_src_ip.Text; }
catch (Exception ex)
{
Console.WriteLine("Invalid source IP address: " + ex.Message);
MessageBox.Show("Invalid source IP address", "Packet Sender - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
if (txt_dst_mac_enabled)
{
try { packetBuilder.dst_mac = txt_dst_mac.Text; }
catch (Exception ex)
{
Console.WriteLine("Invalid destination MAC address: " + ex.Message);
MessageBox.Show("Invalid destination MAC address", "Packet Sender - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
if (txt_dst_ip_enabled)
{
try { packetBuilder.dst_ip = txt_dst_ip.Text; }
catch (Exception ex)
{
Console.WriteLine("Invalid destination IP address: " + ex.Message);
MessageBox.Show("Invalid destination IP address", "Packet Sender - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
if (txt_src_port_enabled)
{
try
{ packetBuilder.src_port = UInt16.Parse(txt_src_port.Text); }
catch (Exception ex) {
Console.WriteLine("Invalid source port: " + ex.Message);
MessageBox.Show("Invalid source port", "Packet Sender - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
if (txt_dst_port_enabled)
{
try { packetBuilder.dst_port = UInt16.Parse(txt_dst_port.Text); }
catch (Exception ex)
{
Console.WriteLine("Invalid destination port: " + ex.Message);
MessageBox.Show("Invalid destination port", "Packet Sender - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
if (txt_data_enabled)
{
try { packetBuilder.data = _data;
if (packetBuilder.data.Length == 0)
{
Console.WriteLine("Data field is empty");
MessageBox.Show("Data field is empty", "Packet Sender - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
catch (Exception ex)
{
Console.WriteLine("Data field is empty: " + ex.Message);
MessageBox.Show("Data field is empty", "Packet Sender - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
if (txt_dcp_set_ip_enabled)
{
try { packetBuilder.PN_DCP_Block_IP_Address = txt_PN_DCP_Set_IP_Address.Text; }
catch (Exception ex)
{
Console.WriteLine("Invalid PN-DCP IP address: " + ex.Message);
MessageBox.Show("Invalid PN-DCP IP address", "Packet Sender - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
try { packetBuilder.PN_DCP_Block_IP_Subnet = txt_PN_DCP_Set_IP_Subnet.Text; }
catch (Exception ex)
{
Console.WriteLine("Invalid PN-DCP Subnet Mask: " + ex.Message);
MessageBox.Show("Invalid PN-DCP Subnet Mask", "Packet Sender - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
try { packetBuilder.PN_DCP_Block_IP_Gateway = txt_PN_DCP_Set_IP_Gateway.Text; }
catch (Exception ex)
{
Console.WriteLine("Invalid PN-DCP Default Gateway: " + ex.Message);
MessageBox.Show("Invalid PN-DCP Default Gateway", "Packet Sender - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
if (txt_dcp_set_devicename_enabled)
{
try { packetBuilder.PN_DCP_Block_DeviceName = txt_dcp_devicename.Text; }
catch (Exception ex)
{
Console.WriteLine("Invalid PN-DCP Device Name: " + ex.Message);
MessageBox.Show("Invalid PN-DCP Device Name", "Packet Sender - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
switch (int_curr_protocol)
{
case 0: // ARP
packetBuilder.BuildPacket_ARP();
packetBuilder.SendPacket();
break;
case 1: // RARP
packetBuilder.BuildPacket_RARP();
packetBuilder.SendPacket();
break;
case 2: // ICMP
packetBuilder.BuildPacket_ICMP();
packetBuilder.SendPacket();
break;
case 50: // TCP/IP
packetBuilder.BuildPacket_TCP_IP();
packetBuilder.SendPacket();
break;
case 51: // UDP/IP
packetBuilder.BuildPacket_UDP_IP();
packetBuilder.SendPacket();
break;
case 100: // PN-DCP, Ident Req, ALL
switch (int_curr_sub_protocol)
{
case 0: // Ident Req, ALL
packetBuilder.BuildPacket_PN_DCP_ID_REQ_All();
packetBuilder.SendPacket();
break;
//case 1: // Ident Req (IP-address)
//case 2: // Ident Req (Device name)
case 3: // Set Req (IP-address)
packetBuilder.BuildPacket_PN_DCP_SET_IP();
packetBuilder.SendPacket();
break;
case 4: // Set Req (Device name)
packetBuilder.BuildPacket_PN_DCP_SET_DEVICENAME();
packetBuilder.SendPacket();
break;
}
break;
case 200: // Raw Packet (DATA)
switch (int_curr_sub_protocol)
{
case 0:
packetBuilder.BuildPacket_RAW_DATA();
packetBuilder.SendPacket();
break;
case 1: // Raw Packet (MAC + DATA)
packetBuilder.BuildPacket_RAW_MAC_DATA();
packetBuilder.SendPacket();
break;
case 2: // Raw Packet (MAC + IP + DATA)
packetBuilder.BuildPacket_RAW_MAC_IP_DATA();
packetBuilder.SendPacket();
break;
}
break;
}
MessageBox.Show("Message send succesfull", "Packet Sender", MessageBoxButtons.OK, MessageBoxIcon.Information);
}