Пример #1
0
  /**
   * Notifies this <tt>ResponseCollector</tt> that a transaction described by the specified
   * <tt>BaseStunMessageEvent</tt> has failed. The possible reasons for the failure include
   * timeouts, unreachable destination, etc.
   *
   * @param event the <tt>BaseStunMessageEvent</tt> which describes the failed transaction and the
   *     runtime type of which specifies the failure reason
   * @see AbstractResponseCollector#processFailure(BaseStunMessageEvent)
   */
  @Override
  protected void processFailure(BaseStunMessageEvent event) {
    TransactionID transactionID = event.getTransactionID();

    logger.finest("A transaction expired: tranid=" + transactionID);
    logger.finest("localAddr=" + hostCandidate);

    /*
     * Clean up for the purposes of the workaround which determines the STUN
     * Request to which a STUN Response responds.
     */
    Request request;

    synchronized (requests) {
      request = requests.remove(transactionID);
    }
    if (request == null) {
      Message message = event.getMessage();

      if (message instanceof Request) request = (Request) message;
    }

    boolean completedResolvingCandidate = true;
    try {
      if (processErrorOrFailure(null, request, transactionID)) completedResolvingCandidate = false;
    } finally {
      if (completedResolvingCandidate) completedResolvingCandidate(request, null);
    }
  }
Пример #2
0
  /** The listening thread's run method. */
  @Override
  public void run() {
    DatagramPacket packet = null;

    while (this.running) {
      try {
        IceSocketWrapper localSock;

        synchronized (sockLock) {
          if (!running) return;

          localSock = this.sock;
        }

        /*
         * Make sure localSock's receiveBufferSize is taken into
         * account including after it gets changed.
         */
        int receiveBufferSize = 1500;
        /*
        if(localSock.getTCPSocket() != null)
        {
            receiveBufferSize = localSock.getTCPSocket().
                getReceiveBufferSize();
        }
        else if(localSock.getUDPSocket() != null)
        {
            receiveBufferSize = localSock.getUDPSocket().
                getReceiveBufferSize();
        }
        */

        if (packet == null) {
          packet = new DatagramPacket(new byte[receiveBufferSize], receiveBufferSize);
        } else {
          byte[] packetData = packet.getData();

          if ((packetData == null) || (packetData.length < receiveBufferSize)) {
            packet.setData(new byte[receiveBufferSize], 0, receiveBufferSize);
          } else {
            /*
             * XXX Tell the packet it is large enough because the
             * socket will not look at the length of the data array
             * property and will just respect the length property.
             */
            packet.setLength(receiveBufferSize);
          }
        }

        localSock.receive(packet);

        // get lost if we are no longer running.
        if (!running) return;

        logger.finest("received datagram");

        RawMessage rawMessage =
            new RawMessage(
                packet.getData(),
                packet.getLength(),
                new TransportAddress(
                    packet.getAddress(), packet.getPort(), listenAddress.getTransport()),
                listenAddress);

        messageQueue.add(rawMessage);
      } catch (SocketException ex) {
        if (running) {
          logger.log(
              Level.WARNING, "Connector died: " + listenAddress + " -> " + remoteAddress, ex);

          stop();
          // Something wrong has happened
          errorHandler.handleFatalError(
              this, "A socket exception was thrown" + " while trying to receive a message.", ex);
        } else {
          // The exception was most probably caused by calling
          // this.stop().
        }
      } catch (ClosedChannelException cce) {
        logger.log(Level.WARNING, "A net access point has gone useless:", cce);

        stop();
        errorHandler.handleFatalError(
            this, "ClosedChannelException occurred while listening" + " for messages!", cce);
      } catch (IOException ex) {
        logger.log(Level.WARNING, "A net access point has gone useless:", ex);

        errorHandler.handleError(ex.getMessage(), ex);
        // do not stop the thread;
      } catch (Throwable ex) {
        logger.log(Level.WARNING, "A net access point has gone useless:", ex);

        stop();
        errorHandler.handleFatalError(
            this, "Unknown error occurred while listening for messages!", ex);
      }
    }
  }
Пример #3
0
  public String readAsXmlString() throws IOException, XMLStreamException {
    StringBuilder sb = new StringBuilder();
    int depth = 0;

    while (true) {
      if (XMLStreamReader.START_ELEMENT == getEventType()) {
        depth++;

        String prefix = getPrefix();

        sb.append("<");

        if (!"".equals(prefix)) {
          sb.append(prefix);
          sb.append(":");
        }

        sb.append(getLocalName());

        if (getNamespaceURI() != null) {
          if ("".equals(prefix)) sb.append(" xmlns");
          else sb.append(" xmlns:").append(prefix);

          sb.append("=\"");
          sb.append(getNamespaceURI()).append("\"");
        }

        for (int i = 0; i < getAttributeCount(); i++) {
          sb.append(" ");
          sb.append(getAttributeLocalName(i));
          sb.append("=\"");
          sb.append(getAttributeValue(i));
          sb.append("\"");
        }
        sb.append(">");

        log.finest(this + " " + sb);
      } else if (XMLStreamReader.END_ELEMENT == getEventType()) {
        depth--;

        sb.append("</");

        String prefix = getPrefix();
        if (!"".equals(prefix)) sb.append(prefix).append(":");

        sb.append(getLocalName());
        sb.append(">");

        if (depth == 0) return sb.toString();
      } else if (XMLStreamReader.CHARACTERS == getEventType()) {
        sb.append(getText());
      } else {
        log.finer(this + " tag=" + getEventType());

        return sb.toString();
      }

      if (next() < 0) {
        log.finer(this + " unexpected end of file");

        return sb.toString();
      }
    }
  }
Пример #4
0
  /**
   * Notifies this <tt>ResponseCollector</tt> that a STUN response described by the specified
   * <tt>StunResponseEvent</tt> has been received.
   *
   * @param event the <tt>StunResponseEvent</tt> which describes the received STUN response
   * @see ResponseCollector#processResponse(StunResponseEvent)
   */
  @Override
  public void processResponse(StunResponseEvent event) {
    TransactionID transactionID = event.getTransactionID();

    logger.finest("Received a message: tranid= " + transactionID);
    logger.finest("localCand= " + hostCandidate);

    /*
     * Clean up for the purposes of the workaround which determines the STUN
     * Request to which a STUN Response responds.
     */
    synchronized (requests) {
      requests.remove(transactionID);
    }

    // At long last, do start handling the received STUN Response.
    Response response = event.getResponse();
    Request request = event.getRequest();
    boolean completedResolvingCandidate = true;

    try {
      if (response.isSuccessResponse()) {
        // Authentication and Message-Integrity Mechanisms
        if (request.containsAttribute(Attribute.MESSAGE_INTEGRITY)) {
          MessageIntegrityAttribute messageIntegrityAttribute =
              (MessageIntegrityAttribute) response.getAttribute(Attribute.MESSAGE_INTEGRITY);

          /*
           * RFC 5389: If MESSAGE-INTEGRITY was absent, the response
           * MUST be discarded, as if it was never received.
           */
          if (messageIntegrityAttribute == null) return;

          UsernameAttribute usernameAttribute =
              (UsernameAttribute) request.getAttribute(Attribute.USERNAME);

          /*
           * For a request or indication message, the agent MUST
           * include the USERNAME and MESSAGE-INTEGRITY attributes in
           * the message.
           */
          if (usernameAttribute == null) return;
          if (!harvester
              .getStunStack()
              .validateMessageIntegrity(
                  messageIntegrityAttribute,
                  LongTermCredential.toString(usernameAttribute.getUsername()),
                  !request.containsAttribute(Attribute.REALM)
                      && !request.containsAttribute(Attribute.NONCE),
                  event.getRawMessage())) return;
        }

        processSuccess(response, request, transactionID);
      } else {
        ErrorCodeAttribute errorCodeAttr =
            (ErrorCodeAttribute) response.getAttribute(Attribute.ERROR_CODE);

        if ((errorCodeAttr != null) && (errorCodeAttr.getErrorClass() == 4)) {
          try {
            switch (errorCodeAttr.getErrorNumber()) {
              case 1: // 401 Unauthorized
                if (processUnauthorized(response, request, transactionID))
                  completedResolvingCandidate = false;
                break;
              case 38: // 438 Stale Nonce
                if (processStaleNonce(response, request, transactionID))
                  completedResolvingCandidate = false;
                break;
            }
          } catch (StunException sex) {
            completedResolvingCandidate = true;
          }
        }
        if (completedResolvingCandidate && processErrorOrFailure(response, request, transactionID))
          completedResolvingCandidate = false;
      }
    } finally {
      if (completedResolvingCandidate) completedResolvingCandidate(request, response);
    }
  }
Пример #5
0
  public LoginPanel(Image img, ActionListener listener) {
    super(null);
    this.listener = listener;
    if (img == null) {
      InputStream inData = getClass().getResourceAsStream("/resources/background.gif");
      BufferedImage back = null;
      if (inData != null)
        try {
          back = ImageIO.read(inData);
        } catch (IOException e) {
          loger.finest("LoginPanel class can't get the background image");
        }
      this.background = back;
    }

    setLayout(null);
    JPanel logingPanel = new JPanel();
    loginTitle = new JLabel("Autentificare");
    logingPanel.setSize(250, 150);
    logingPanel.setBorder(new javax.swing.border.LineBorder(Color.black, 2));
    logingPanel.setLayout(null);
    loginTitle.setBounds(3, 0, logingPanel.getWidth(), 20);
    logingPanel.add(loginTitle);
    JLabel loginUser = new JLabel("Utilizator");
    loginUser.setBounds(
        80 - loginUser.getPreferredSize().width,
        40,
        loginUser.getPreferredSize().width,
        loginUser.getPreferredSize().height);
    logingPanel.add(loginUser);
    user = new JTextField(10);
    user.setBounds(85, 40, user.getPreferredSize().width, user.getPreferredSize().height);
    // user.setText("test");
    // loginUser.setLabelFor(user);
    logingPanel.add(user);
    JLabel loginPass = new JLabel("Parola");
    loginPass.setBounds(
        80 - loginPass.getPreferredSize().width,
        80,
        loginPass.getPreferredSize().width,
        loginPass.getPreferredSize().height);
    logingPanel.add(loginPass);
    // JTextField pass = new JTextField(10);
    pass = new JPasswordField(10);
    pass.setBounds(85, 80, pass.getPreferredSize().width, pass.getPreferredSize().height);
    pass.addKeyListener(this);
    // pass.setText("test");
    // loginUser.setLabelFor(user);
    logingPanel.add(pass);
    JButton loginButton = new JButton("Start");
    loginButton.setActionCommand("LOGIN");
    loginButton.setBounds(
        60, 110, loginButton.getPreferredSize().width, loginButton.getPreferredSize().height);
    // loginButton.setOpaque(false);
    loginButton.setFocusPainted(false);
    // loginButton.setContentAreaFilled(false);
    // loginButton.setBorderPainted(false);
    loginButton.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
    loginButton.addActionListener(listener);
    logingPanel.add(loginButton);

    add(logingPanel);
  }