private void close_app(int exit_code)
{
if (cloudlist != null)
{
if (cloudlist.part_of_cloud)
{
cloudlist.LeaveCloud();
}
}
if (sniffer != null)
{
sniffer.close();
sniffer = null;
}
if (udp_listener != null)
{
node_list.sendLogOff();
udp_listener.shutdown();
udp_listener = null;
}
if (upnp != null)
{
if (upnp.isUPnPavailable())
{
upnp.upnp_deleteAllPortMappings();
}
}
stop_threads();
#if DEBUG
xbs_messages.addDebugMessage("exiting program.", xbs_message_sender.GENERAL);
#endif
output_queued_messages();
#if DEBUG
Console.ReadLine();
#endif
exit_code = 0;
if (windows_console_attached)
{
FreeConsole();
}
if (System.Windows.Forms.Application.MessageLoop)
{
System.Windows.Forms.Application.Exit();
}
else
{
System.Environment.Exit(exit_code);
}
}
private void engine_stop()
{
button_announce.Enabled = false;
if (cloudlist!=null)
if (cloudlist.part_of_cloud)
cloudlist.LeaveCloud();
timer1.Stop();
xbs_settings.settings.Save();
if (sniffer != null)
{
sniffer.close();
sniffer = null;
}
if (udp_listener != null)
{
node_list.sendLogOff();
udp_listener.shutdown();
udp_listener = null;
}
if (upnp != null)
{
if (upnp.isUPnPavailable())
upnp.upnp_deleteAllPortMappings();
upnp.upnp_stopDiscovery();
}
engine_started = false;
xbs_messages.addInfoMessage("Engine stopped.", xbs_message_sender.GENERAL);
listView_nodes.Items.Clear();
treeView_nodeinfo.Nodes.Clear();
NAT.ip_pool.freeAllIPs();
updateNATIPPoolListView();
button_start_engine.Text = "Start Engine";
textBox_maininfo.Text = "Engine not started.";
textBox_chatEntry.ReadOnly = true;
textBox_chatEntry.Clear();
textBox_CloudName.Enabled = false;
textBox_CloudPassword.Enabled = false;
textBox_CloudMaxNodes.Enabled = false;
button_CloudJoin.Enabled = false;
button_CloudLeave.Enabled = false;
textBox_chatNickname.ReadOnly = false;
button_reset_settings.Enabled = true;
}
private void resume_start_engine()
{
if (ExceptionMessage.ABORTING)
return;
ICaptureDevice pdev;
if (pcap_devices.Count == 0)
{
MessageBox.Show("XBSlink did not find any available network adapters in your system."
+ Environment.NewLine
+ "Does your user have enough system rights?", "XBSlink error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Close();
return;
}
try {
pdev = pcap_devices[comboBox_captureDevice.SelectedIndex];
}
catch (Exception)
{
MessageBox.Show("XBSlink could not set the capture device.", "XBSlink error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Close();
return;
}
try
{
udp_listener = new xbs_udp_listener(internal_ip, UInt16.Parse(textBox_local_Port.Text), node_list);
}
catch (Exception e)
{
xbs_messages.addInfoMessage("!! Socket Exception: could not bind to port " + textBox_local_Port.Text, xbs_message_sender.GENERAL, xbs_message_type.FATAL_ERROR);
xbs_messages.addInfoMessage("!! the UDP socket is not ready to send or receive packets. Please check if another application is running on this port.", xbs_message_sender.GENERAL, xbs_message_type.FATAL_ERROR);
System.Windows.Forms.MessageBox.Show(e.Message);
abort_start_engine = true;
}
if (abort_start_engine || ExceptionMessage.ABORTING)
{
udp_listener = null;
return;
}
try
{
if (use_UPnP && upnp.isUPnPavailable())
{
external_ip = upnp.upnp_getPublicIP();
upnp.upnp_create_mapping(Mono.Nat.Protocol.Udp, udp_listener.udp_socket_port, udp_listener.udp_socket_port);
}
}
catch (Exception)
{
xbs_messages.addInfoMessage("!! UPnP port mapping failed", xbs_message_sender.GENERAL, xbs_message_type.ERROR);
}
if (external_ip==null)
external_ip = xbs_upnp.getExternalIPAddressFromWebsite();
IPAddress local_node_ip = (external_ip == null) ? internal_ip : external_ip;
node_list.local_node = new xbs_node(local_node_ip, udp_listener.udp_socket_port);
node_list.local_node.nickname = textBox_chatNickname.Text;
try
{
sniffer = new xbs_sniffer((LibPcapLiveDevice)pdev, checkBox_enable_MAC_list.Checked, generateSnifferMacList(), checkBox_mac_restriction.Checked, node_list, NAT, network_device_gateways[internal_ip], checkBox_excludeGatewayIPs.Checked);
sniffer.start_capture();
}
catch (ArgumentException aex)
{
xbs_messages.addInfoMessage("!! starting Packet sniffer failed (1): " + aex.Message, xbs_message_sender.GENERAL, xbs_message_type.ERROR);
abort_start_engine = true;
udp_listener = null;
sniffer = null;
return;
}
catch (PcapException pcex)
{
xbs_messages.addInfoMessage("!! starting Packet sniffer failed (2): " + pcex.Message, xbs_message_sender.GENERAL, xbs_message_type.ERROR);
abort_start_engine = true;
udp_listener = null;
sniffer = null;
return;
}
if (ExceptionMessage.ABORTING)
return;
try
{
if (checkBox_useCloudServerForPortCheck.Checked)
checkIncomingPortWithCloudServer();
}
catch (Exception)
{
xbs_messages.addInfoMessage("!! open port check failed", xbs_message_sender.GENERAL, xbs_message_type.WARNING);
}
if (ExceptionMessage.ABORTING)
return;
timer1.Enabled = true;
button_announce.Enabled = true;
saveRegistryValues();
xbs_messages.addInfoMessage("engine ready. waiting for incoming requests.", xbs_message_sender.GENERAL);
switch_tab = tabPage_clouds;
textBox_chatEntry.ReadOnly = false;
textBox_chatEntry.Clear();
autoswitch_on_chat_message = checkBox_chatAutoSwitch.Checked;
textBox_CloudName.Enabled = true;
textBox_CloudPassword.Enabled = true;
textBox_CloudMaxNodes.Enabled = true;
button_CloudJoin.Enabled = true;
button_CloudLeave.Enabled = false;
engine_started = true;
button_start_engine.Enabled = true;
button_start_engine.Text = "Stop Engine";
}
private void start_engine()
{
if (option_upnp)
{
discover_upnp();
}
LibPcapLiveDevice pdev = loadCaptureDevice(option_capture_device);
if (pdev == null)
{
xbs_messages.addInfoMessage("!! ERROR - could not load capture device with name \"" + option_capture_device + "\"", xbs_message_sender.GENERAL, xbs_message_type.FATAL_ERROR);
close_app(-2);
}
NAT = new xbs_nat();
node_list = new xbs_node_list();
node_list.notify_on_new_node = false;
if (option_local_port == 0)
{
option_local_port = xbs_udp_listener.standard_port;
}
GatewayIPAddressInformationCollection local_gateways = xbs_console_app.getGatewaysForBindIP(option_local_ip);
try
{
udp_listener = new xbs_udp_listener(option_local_ip, option_local_port, node_list);
}
catch (Exception e)
{
xbs_messages.addInfoMessage("!! ERROR opening UDP port " + option_local_port, xbs_message_sender.GENERAL, xbs_message_type.FATAL_ERROR);
xbs_messages.addInfoMessage(e.Message, xbs_message_sender.GENERAL);
close_app(-7);
}
try
{
if (option_upnp && upnp.isUPnPavailable())
{
external_ip = upnp.upnp_getPublicIP();
upnp.upnp_create_mapping(Mono.Nat.Protocol.Udp, udp_listener.udp_socket_port, udp_listener.udp_socket_port);
}
}
catch (Exception)
{
xbs_messages.addInfoMessage("!! UPnP port mapping failed", xbs_message_sender.GENERAL, xbs_message_type.ERROR);
}
if (external_ip == null)
{
external_ip = xbs_upnp.getExternalIPAddressFromWebsite();
}
IPAddress local_node_ip = (external_ip == null) ? option_local_ip : external_ip;
node_list.local_node = new xbs_node(local_node_ip, udp_listener.udp_socket_port);
if (option_nickname != null)
{
node_list.local_node.nickname = option_nickname;
}
sniffer = new xbs_sniffer(pdev, false, null, false, node_list, NAT, local_gateways, true);
sniffer.start_capture();
if (ExceptionMessage.ABORTING)
{
close_app(-10);
}
if (option_cloudserver == null)
{
option_cloudserver = xbs_cloudlist.DEFAULT_CLOUDLIST_SERVER;
}
if (option_cloudname != null)
{
if (option_password == null)
{
option_password = "";
}
if (option_cloudname.Length >= xbs_cloudlist.MIN_CLOUDNAME_LENGTH)
{
try
{
cloudlist.JoinOrCreateCloud(option_cloudserver, option_cloudname, option_maxnodes.ToString(), option_password, node_list.local_node.ip_public, node_list.local_node.port_public, node_list.local_node.nickname, xbs_upnp.isPortReachable, xbs_settings.xbslink_version);
}
catch (Exception e)
{
xbs_messages.addInfoMessage("!! ERROR connecting to cloud " + option_cloudname, xbs_message_sender.GENERAL, xbs_message_type.ERROR);
xbs_messages.addInfoMessage(e.Message, xbs_message_sender.GENERAL, xbs_message_type.ERROR);
}
}
else
{
xbs_messages.addInfoMessage("!! ERROR - cloudname is too short. " + xbs_cloudlist.MIN_CLOUDNAME_LENGTH + " chars minimum", xbs_message_sender.GENERAL, xbs_message_type.ERROR);
close_app(-12);
}
}
main_engine_loop();
}
private void start_engine()
{
if (option_upnp)
discover_upnp();
LibPcapLiveDevice pdev = loadCaptureDevice(option_capture_device);
if (pdev == null)
{
xbs_messages.addInfoMessage("!! ERROR - could not load capture device with name \"" + option_capture_device + "\"", xbs_message_sender.GENERAL, xbs_message_type.FATAL_ERROR);
close_app(-2);
}
NAT = new xbs_nat();
node_list = new xbs_node_list();
node_list.notify_on_new_node = false;
if (option_local_port == 0)
option_local_port = xbs_udp_listener.standard_port;
GatewayIPAddressInformationCollection local_gateways = xbs_console_app.getGatewaysForBindIP(option_local_ip);
try
{
udp_listener = new xbs_udp_listener(option_local_ip, option_local_port, node_list);
}
catch (Exception e)
{
xbs_messages.addInfoMessage("!! ERROR opening UDP port " + option_local_port, xbs_message_sender.GENERAL, xbs_message_type.FATAL_ERROR);
xbs_messages.addInfoMessage(e.Message, xbs_message_sender.GENERAL);
close_app(-7);
}
try
{
if (option_upnp && upnp.isUPnPavailable())
{
external_ip = upnp.upnp_getPublicIP();
upnp.upnp_create_mapping(Mono.Nat.Protocol.Udp, udp_listener.udp_socket_port, udp_listener.udp_socket_port);
}
}
catch (Exception)
{
xbs_messages.addInfoMessage("!! UPnP port mapping failed", xbs_message_sender.GENERAL, xbs_message_type.ERROR);
}
if (external_ip == null)
external_ip = xbs_upnp.getExternalIPAddressFromWebsite();
IPAddress local_node_ip = (external_ip == null) ? option_local_ip : external_ip;
node_list.local_node = new xbs_node(local_node_ip, udp_listener.udp_socket_port);
if (option_nickname!=null)
node_list.local_node.nickname = option_nickname;
sniffer = new xbs_sniffer(pdev, false, null, false, node_list, NAT, local_gateways, true);
sniffer.start_capture();
if (ExceptionMessage.ABORTING)
close_app(-10);
if (option_cloudserver == null)
option_cloudserver = xbs_cloudlist.DEFAULT_CLOUDLIST_SERVER;
if (option_cloudname != null)
{
if (option_password == null)
option_password = "";
if (option_cloudname.Length >= xbs_cloudlist.MIN_CLOUDNAME_LENGTH)
{
try
{
cloudlist.JoinOrCreateCloud(option_cloudserver, option_cloudname, option_maxnodes.ToString(), option_password, node_list.local_node.ip_public, node_list.local_node.port_public, node_list.local_node.nickname, xbs_upnp.isPortReachable, xbs_settings.xbslink_version);
}
catch (Exception e)
{
xbs_messages.addInfoMessage("!! ERROR connecting to cloud " + option_cloudname, xbs_message_sender.GENERAL, xbs_message_type.ERROR);
xbs_messages.addInfoMessage(e.Message, xbs_message_sender.GENERAL, xbs_message_type.ERROR);
}
}
else
{
xbs_messages.addInfoMessage("!! ERROR - cloudname is too short. " + xbs_cloudlist.MIN_CLOUDNAME_LENGTH + " chars minimum", xbs_message_sender.GENERAL, xbs_message_type.ERROR);
close_app(-12);
}
}
main_engine_loop();
}
private void close_app( int exit_code )
{
if (cloudlist != null)
if (cloudlist.part_of_cloud)
cloudlist.LeaveCloud();
if (sniffer != null)
{
sniffer.close();
sniffer = null;
}
if (udp_listener != null)
{
node_list.sendLogOff();
udp_listener.shutdown();
udp_listener = null;
}
if (upnp != null)
if (upnp.isUPnPavailable())
upnp.upnp_deleteAllPortMappings();
stop_threads();
#if DEBUG
xbs_messages.addDebugMessage("exiting program.", xbs_message_sender.GENERAL);
#endif
output_queued_messages();
#if DEBUG
Console.ReadLine();
#endif
exit_code = 0;
if (windows_console_attached)
FreeConsole();
if (System.Windows.Forms.Application.MessageLoop)
System.Windows.Forms.Application.Exit();
else
System.Environment.Exit(exit_code);
}
