[Development] java: Implement TLS security type. (Martin Koegler)
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4199 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/java/src/com/tigervnc/vncviewer/TLSTunnelBase.java b/java/src/com/tigervnc/vncviewer/TLSTunnelBase.java
new file mode 100644
index 0000000..922e837
--- /dev/null
+++ b/java/src/com/tigervnc/vncviewer/TLSTunnelBase.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2003 Sun Microsystems, Inc.
+ * Copyright (C) 2003-2010 Martin Koegler
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+package com.tigervnc.vncviewer;
+
+import java.util.ArrayList;
+import java.net.*;
+import javax.net.ssl.*;
+
+public abstract class TLSTunnelBase
+{
+
+ public TLSTunnelBase (Socket sock_)
+ {
+ sock = sock_;
+ }
+
+ protected void initContext (SSLContext sc) throws java.security.
+ GeneralSecurityException
+ {
+ sc.init (null, null, null);
+ }
+
+ public void setup (RfbProto cc) throws Exception
+ {
+ if (cc.readU8 () == 0)
+ throw new Exception("Setup on the server failed");
+ try
+ {
+ SSLSocketFactory sslfactory;
+ SSLSocket sslsock;
+ SSLContext sc = SSLContext.getInstance ("TLS");
+ System.out.println("Generating TLS context");
+ initContext (sc);
+ System.out.println("Doing TLS handshake");
+ sslfactory = sc.getSocketFactory ();
+ sslsock = (SSLSocket) sslfactory.createSocket (sock,
+ sock.getInetAddress ().
+ getHostName (),
+ sock.getPort (), true);
+
+ setParam (sslsock);
+
+ /* Not neccessary - just ensures that we know what cipher
+ * suite we are using for the output of toString()
+ */
+ sslsock.startHandshake ();
+
+ System.out.println("TLS done");
+
+ cc.setStreams (sslsock.getInputStream (),
+ sslsock.getOutputStream ());
+ }
+ catch (java.io.IOException e)
+ {
+ throw new Exception("TLS handshake failed " + e.toString ());
+ }
+ catch (java.security.GeneralSecurityException e)
+ {
+ throw new Exception("TLS handshake failed " + e.toString ());
+ }
+ }
+
+
+ protected abstract void setParam (SSLSocket sock);
+
+ Socket sock;
+
+}