Examples with Exception com.tigervnc.rfb.Exception used on opensource projects

Example 6 with Exception

use of com.tigervnc.rfb.Exception in project tigervnc by TigerVNC.

the class CConn method clientRedirect.

// clientRedirect() migrates the client to another host/port
public void clientRedirect(int port, String host, String x509subject) {
    try {
        sock.close();
        sock = new TcpSocket(host, port);
        vlog.info("Redirected to " + host + ":" + port);
        setServerName(host);
        setServerPort(port);
        sock.inStream().setBlockCallback(this);
        setStreams(sock.inStream(), sock.outStream());
        if (desktop != null)
            desktop.dispose();
        initialiseProtocol();
    } catch (java.lang.Exception e) {
        throw new Exception(e.getMessage());
    }
}

Example 7 with Exception

use of com.tigervnc.rfb.Exception in project tigervnc by TigerVNC.

the class Tunnel method createTunnelExt.

private static void createTunnelExt(String gatewayHost, String remoteHost, int remotePort, int localPort, String pattern) throws Exception {
    if (pattern == null || pattern.length() < 1) {
        if (tunnel.getValue() && via.getValue().isEmpty())
            pattern = DEFAULT_TUNNEL_TEMPLATE;
        else
            pattern = DEFAULT_VIA_TEMPLATE;
    }
    String cmd = fillCmdPattern(pattern, gatewayHost, remoteHost, remotePort, localPort);
    try {
        Thread t = new Thread(new ExtProcess(cmd, vlog, true));
        t.start();
        // wait for the ssh process to start
        Thread.sleep(1000);
    } catch (java.lang.Exception e) {
        throw new Exception(e.getMessage());
    }
}

Example 8 with Exception

use of com.tigervnc.rfb.Exception in project tigervnc by TigerVNC.

the class UserDialog method getUserPasswd.

public final void getUserPasswd(boolean secure, StringBuffer user, StringBuffer password) {
    String passwordFileStr = passwordFile.getValue();
    if ((password == null) && sendLocalUsername.getValue()) {
        user.append((String) System.getProperties().get("user.name"));
        return;
    }
    if (user == null && !passwordFileStr.equals("")) {
        InputStream fp = null;
        try {
            fp = new FileInputStream(passwordFileStr);
        } catch (FileNotFoundException e) {
            throw new Exception("Opening password file failed");
        }
        byte[] obfPwd = new byte[256];
        try {
            fp.read(obfPwd);
            fp.close();
        } catch (IOException e) {
            throw new Exception("Failed to read VncPasswd file");
        }
        String PlainPasswd = VncAuth.unobfuscatePasswd(obfPwd);
        password.append(PlainPasswd);
        password.setLength(PlainPasswd.length());
        return;
    }
    JDialog win;
    JLabel banner;
    JTextField username = null;
    JLayer icon;
    int y;
    JPanel msg = new JPanel(null);
    msg.setSize(410, 145);
    banner = new JLabel();
    banner.setBounds(0, 0, msg.getPreferredSize().width, 20);
    banner.setHorizontalAlignment(JLabel.CENTER);
    banner.setOpaque(true);
    if (secure) {
        banner.setText("This connection is secure");
        banner.setBackground(Color.GREEN);
        ImageIcon secure_icon = new ImageIcon(VncViewer.class.getResource("secure.png"));
        banner.setIcon(secure_icon);
    } else {
        banner.setText("This connection is not secure");
        banner.setBackground(Color.RED);
        ImageIcon insecure_icon = new ImageIcon(VncViewer.class.getResource("insecure.png"));
        banner.setIcon(insecure_icon);
    }
    msg.add(banner);
    y = 20 + 10;
    JButton iconb = new JButton("?");
    iconb.setVerticalAlignment(JLabel.CENTER);
    iconb.setFont(new Font("Times", Font.BOLD, 34));
    iconb.setForeground(Color.BLUE);
    LayerUI ui = new MyLayerUI();
    icon = new JLayer(iconb, ui);
    icon.setBounds(10, y, 50, 50);
    msg.add(icon);
    y += 5;
    if (user != null && !sendLocalUsername.getValue()) {
        JLabel userLabel = new JLabel("Username:");
        userLabel.setBounds(70, y, msg.getSize().width - 70 - 10, 20);
        msg.add(userLabel);
        y += 20 + 5;
        username = new JTextField(30);
        username.setBounds(70, y, msg.getSize().width - 70 - 10, 25);
        msg.add(username);
        y += 25 + 5;
    }
    JLabel passwdLabel = new JLabel("Password:");
    passwdLabel.setBounds(70, y, msg.getSize().width - 70 - 10, 20);
    msg.add(passwdLabel);
    y += 20 + 5;
    final JPasswordField passwd = new JPasswordField(30);
    passwd.setBounds(70, y, msg.getSize().width - 70 - 10, 25);
    msg.add(passwd);
    y += 25 + 5;
    msg.setPreferredSize(new Dimension(410, y));
    Object[] options = { "OK  \u21B5", "Cancel" };
    JOptionPane pane = new JOptionPane(msg, PLAIN_MESSAGE, OK_CANCEL_OPTION, // do not use a custom Icon
    null, // the titles of buttons
    options, // default button title
    options[0]) {

        @Override
        public void selectInitialValue() {
            passwd.requestFocusInWindow();
        }
    };
    pane.setBorder(new EmptyBorder(0, 0, 0, 0));
    Component c = pane.getComponent(pane.getComponentCount() - 1);
    ((JComponent) c).setBorder(new EmptyBorder(0, 0, 10, 10));
    win = pane.createDialog("VNC Authentication");
    win.setVisible(true);
    if (pane.getValue() == null || pane.getValue().equals("Cancel"))
        throw new Exception("Authentication cancelled");
    if (user != null)
        if (sendLocalUsername.getValue())
            user.append((String) System.getProperties().get("user.name"));
        else
            user.append(username.getText());
    if (password != null)
        password.append(new String(passwd.getPassword()));
}

Example 9 with Exception

use of com.tigervnc.rfb.Exception in project tigervnc by TigerVNC.

the class Viewport method handlePointerEvent.

private void handlePointerEvent(Point pos, int buttonMask) {
    if (!viewOnly.getValue()) {
        if (buttonMask != lastButtonMask || !pos.equals(lastPointerPos)) {
            try {
                if (cc.cp.width != scaledWidth || cc.cp.height != scaledHeight) {
                    int sx = (scaleRatioX == 1.00) ? pos.x : (int) Math.floor(pos.x / scaleRatioX);
                    int sy = (scaleRatioY == 1.00) ? pos.y : (int) Math.floor(pos.y / scaleRatioY);
                    pos = pos.translate(new Point(sx - pos.x, sy - pos.y));
                }
                cc.writer().pointerEvent(pos, buttonMask);
            } catch (Exception e) {
                vlog.error("%s", e.getMessage());
                cc.close();
            }
        }
        lastPointerPos = pos;
        lastButtonMask = buttonMask;
    }
}