public void run() {
CConn cc = null;
Socket sock = null;
if (listenMode.getValue()) {
int port = 5500;
ServerSocket listener = null;
if (vncServerName.getValue() != null && Character.isDigit(vncServerName.getValue().charAt(0)))
port = Integer.parseInt(vncServerName.getValue());
try {
listener = new ServerSocket(port);
} catch (IOException e) {
System.out.println("Could not listen on port: " + port);
System.exit(-1);
}
vlog.info("Listening on port " + port);
try {
sock = listener.accept();
listener.close();
} catch (IOException e) {
System.out.println("Accept failed: " + port);
System.exit(-1);
}
}
try {
cc = new CConn(this, sock, vncServerName.getValue(), false);
while (true) cc.processMsg();
} catch (EndOfStream e) {
vlog.info(e.toString());
} catch (java.lang.Exception e) {
if (cc != null) cc.deleteWindow();
if (cc == null || !cc.shuttingDown) {
e.printStackTrace();
JOptionPane.showMessageDialog(
null, e.toString(), "VNC Viewer : Error", JOptionPane.ERROR_MESSAGE);
}
}
if (cc != null) cc.deleteWindow();
nViewers--;
if (!applet && nViewers == 0) {
System.exit(0);
}
}
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
try {
tm.checkServerTrusted(chain, authType);
} catch (CertificateException e) {
Object[] answer = {"Proceed", "Exit"};
int ret =
JOptionPane.showOptionDialog(
null,
e.getCause().getLocalizedMessage() + "\n" + "Continue connecting to this host?",
"Confirm certificate exception?",
JOptionPane.YES_NO_OPTION,
JOptionPane.WARNING_MESSAGE,
null,
answer,
answer[0]);
if (ret == JOptionPane.NO_OPTION) System.exit(1);
} catch (java.lang.Exception e) {
throw new Exception(e.toString());
}
}
public boolean processMsg(CConnection cc) {
is = (FdInStream) cc.getInStream();
os = (FdOutStream) cc.getOutStream();
client = cc;
initGlobal();
if (session == null) {
if (!is.checkNoWait(1)) return false;
if (is.readU8() == 0) {
int result = is.readU32();
String reason;
if (result == Security.secResultFailed || result == Security.secResultTooMany)
reason = is.readString();
else reason = new String("Authentication failure (protocol error)");
throw new AuthFailureException(reason);
}
setParam();
}
try {
manager = new SSLEngineManager(engine, is, os);
} catch (java.lang.Exception e) {
throw new Exception(e.toString());
}
try {
manager.doHandshake();
} catch (java.lang.Exception e) {
throw new Exception(e.toString());
}
// checkSession();
cc.setStreams(new TLSInStream(is, manager), new TLSOutStream(os, manager));
return true;
}
