[Development] Remove support for the "Tight" security type from Java code.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4203 3789f03b-4d11-0410-bbf8-ca57d06f2519

8 files changed, 23 insertions, 933 deletions

diff --git a/java/src/com/tigervnc/vncviewer/ButtonPanel.java b/java/src/com/tigervnc/vncviewer/ButtonPanel.java
index c8ca77c1..1ef64124 100644
--- a/java/src/com/tigervnc/vncviewer/ButtonPanel.java
+++ b/java/src/com/tigervnc/vncviewer/ButtonPanel.java
@@ -38,13 +38,6 @@ class ButtonPanel extends Panel implements ActionListener {
   Button clipboardButton;
   Button ctrlAltDelButton;
   Button refreshButton;
-  Button selectButton;
-  Button videoFreezeButton;
-
-  final String enableVideoFreezeLabel = "Ignore Video";
-  final String disableVideoFreezeLabel = "Enable Video";
-  final String selectEnterLabel = "Select Video Area";
-  final String selectLeaveLabel = "Hide Selection";
 
   ButtonPanel(VncViewer v) {
     viewer = v;
@@ -76,25 +69,6 @@ class ButtonPanel extends Panel implements ActionListener {
     refreshButton.addActionListener(this);
   }
 
-  /**
-   * Add video selection button to the ButtonPanel.
-   */
-  public void addSelectButton() {
-    selectButton = new Button(selectEnterLabel);
-    selectButton.setEnabled(false);
-    add(selectButton);
-    selectButton.addActionListener(this);
-  }
-
-  /**
-   * Add video ignore button to the ButtonPanel.
-   */
-  public void addVideoFreezeButton() {
-    videoFreezeButton = new Button(enableVideoFreezeLabel);
-    add(videoFreezeButton);
-    videoFreezeButton.addActionListener(this);
-  }
-
   //
   // Enable buttons on successful connection.
   //
@@ -103,9 +77,6 @@ class ButtonPanel extends Panel implements ActionListener {
     disconnectButton.setEnabled(true);
     clipboardButton.setEnabled(true);
     refreshButton.setEnabled(true);
-    if (selectButton != null) {
-      selectButton.setEnabled(true);
-    }
   }
 
   //
@@ -123,9 +94,6 @@ class ButtonPanel extends Panel implements ActionListener {
     clipboardButton.setEnabled(false);
     ctrlAltDelButton.setEnabled(false);
     refreshButton.setEnabled(false);
-    if (selectButton != null) {
-      selectButton.setEnabled(false);
-    }
   }
 
   //
@@ -156,32 +124,7 @@ class ButtonPanel extends Panel implements ActionListener {
 
     } else if (evt.getSource() == clipboardButton) {
       viewer.clipboard.setVisible(!viewer.clipboard.isVisible());
-    } else if (evt.getSource() == videoFreezeButton) {
 
-      //
-      // Send video freeze message to server and change caption of button
-      //
-
-      //
-      // TODO: Move this code to another place.
-      //
-
-      boolean sendOk = true;
-      boolean currentFreezeState =
-              videoFreezeButton.getLabel().equals(disableVideoFreezeLabel);
-      try {
-        viewer.rfb.trySendVideoFreeze(!currentFreezeState);
-      } catch (IOException ex) {
-        sendOk = false;
-        ex.printStackTrace();
-      }
-      if (sendOk) {
-        if (!currentFreezeState) {
-            videoFreezeButton.setLabel(disableVideoFreezeLabel);
-        } else {
-            videoFreezeButton.setLabel(enableVideoFreezeLabel);
-        }
-      }
     } else if (evt.getSource() == ctrlAltDelButton) {
       try {
         final int modifiers = InputEvent.CTRL_MASK | InputEvent.ALT_MASK;
@@ -205,17 +148,6 @@ class ButtonPanel extends Panel implements ActionListener {
       } catch (IOException e) {
         e.printStackTrace();
       }
-    } else if (selectButton != null && evt.getSource() == selectButton) {
-      if (viewer.vc != null) {
-        boolean isSelecting = viewer.vc.isInSelectionMode();
-        if (!isSelecting) {
-          selectButton.setLabel(selectLeaveLabel);
-          viewer.vc.enableSelection(true);
-        } else {
-          selectButton.setLabel(selectEnterLabel);
-          viewer.vc.enableSelection(false);
-        }
-      }
     }
   }
 }
diff --git a/java/src/com/tigervnc/vncviewer/CapabilityInfo.java b/java/src/com/tigervnc/vncviewer/CapabilityInfo.java
deleted file mode 100644
index 8f01d77a..00000000
--- a/java/src/com/tigervnc/vncviewer/CapabilityInfo.java
+++ /dev/null
@@ -1,89 +0,0 @@
-//
-//  Copyright (C) 2003 Constantin Kaplinsky.  All Rights Reserved.
-//
-//  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.
-//
-
-//
-// CapabilityInfo.java - A class to hold information about a
-// particular capability as used in the RFB protocol 3.130.
-//
-
-package com.tigervnc.vncviewer;
-
-class CapabilityInfo {
-
-  // Public methods
-
-  public CapabilityInfo(int code,
-			String vendorSignature,
-			String nameSignature,
-			String description) {
-    this.code = code;
-    this.vendorSignature = vendorSignature;
-    this.nameSignature = nameSignature;
-    this.description = description;
-    enabled = false;
-  }
-
-  public CapabilityInfo(int code,
-			byte[] vendorSignature,
-			byte[] nameSignature) {
-    this.code = code;
-    this.vendorSignature = new String(vendorSignature);
-    this.nameSignature = new String(nameSignature);
-    this.description = null;
-    enabled = false;
-  }
-
-  public int getCode() {
-    return code;
-  }
-
-  public String getDescription() {
-    return description;
-  }
-
-  public boolean isEnabled() {
-    return enabled;
-  }
-
-  public void enable() {
-    enabled = true;
-  }
-
-  public boolean equals(CapabilityInfo other) {
-    return (other != null && this.code == other.code &&
-	    this.vendorSignature.equals(other.vendorSignature) &&
-	    this.nameSignature.equals(other.nameSignature));
-  }
-
-  public boolean enableIfEquals(CapabilityInfo other) {
-    if (this.equals(other))
-      enable();
-
-    return isEnabled();
-  }
-
-  // Protected data
-
-  protected int code;
-  protected String vendorSignature;
-  protected String nameSignature;
-
-  protected String description;
-  protected boolean enabled;
-}
diff --git a/java/src/com/tigervnc/vncviewer/CapsContainer.java b/java/src/com/tigervnc/vncviewer/CapsContainer.java
deleted file mode 100644
index 5f2e6154..00000000
--- a/java/src/com/tigervnc/vncviewer/CapsContainer.java
+++ /dev/null
@@ -1,105 +0,0 @@
-//
-//  Copyright (C) 2003 Constantin Kaplinsky.  All Rights Reserved.
-//
-//  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.
-//
-
-//
-// CapsContainer.java - A container of capabilities as used in the RFB
-// protocol 3.130
-//
-
-package com.tigervnc.vncviewer;
-
-import java.util.Vector;
-import java.util.Hashtable;
-
-class CapsContainer {
-
-  // Public methods
-
-  public CapsContainer() {
-    infoMap = new Hashtable(64, (float)0.25);
-    orderedList = new Vector(32, 8);
-  }
-
-  public void add(CapabilityInfo capinfo) {
-    Integer key = new Integer(capinfo.getCode());
-    infoMap.put(key, capinfo);
-  }
-
-  public void add(int code, String vendor, String name, String desc) {
-    Integer key = new Integer(code);
-    infoMap.put(key, new CapabilityInfo(code, vendor, name, desc));
-  }
-
-  public boolean isKnown(int code) {
-    return infoMap.containsKey(new Integer(code));
-  }
-
-  public CapabilityInfo getInfo(int code) {
-    return (CapabilityInfo)infoMap.get(new Integer(code));
-  }
-
-  public String getDescription(int code) {
-    CapabilityInfo capinfo = (CapabilityInfo)infoMap.get(new Integer(code));
-    if (capinfo == null)
-      return null;
-
-    return capinfo.getDescription();
-  }
-
-  public boolean enable(CapabilityInfo other) {
-    Integer key = new Integer(other.getCode());
-    CapabilityInfo capinfo = (CapabilityInfo)infoMap.get(key);
-    if (capinfo == null)
-      return false;
-
-    boolean enabled = capinfo.enableIfEquals(other);
-    if (enabled)
-      orderedList.addElement(key);
-
-    return enabled;
-  }
-
-  public boolean isEnabled(int code) {
-    CapabilityInfo capinfo = (CapabilityInfo)infoMap.get(new Integer(code));
-    if (capinfo == null)
-      return false;
-
-    return capinfo.isEnabled();
-  }
-
-  public int numEnabled() {
-    return orderedList.size();
-  }
-
-  public int getByOrder(int idx) {
-    int code;
-    try {
-      code = ((Integer)orderedList.elementAt(idx)).intValue();
-    } catch (ArrayIndexOutOfBoundsException e) {
-      code = 0;
-    }
-    return code;
-  }
-
-  // Protected data
-
-  protected Hashtable infoMap;
-  protected Vector orderedList;
-}
-
diff --git a/java/src/com/tigervnc/vncviewer/Makefile b/java/src/com/tigervnc/vncviewer/Makefile
index 7e73d02f..39ccbb76 100644
--- a/java/src/com/tigervnc/vncviewer/Makefile
+++ b/java/src/com/tigervnc/vncviewer/Makefile
@@ -14,7 +14,7 @@ INSTALL_DIR = /usr/local/vnc/classes
 CLASSES = VncViewer.class RfbProto.class AuthPanel.class VncCanvas.class \
 	  VncCanvas2.class \
 	  OptionsFrame.class ClipboardFrame.class ButtonPanel.class \
-	  DesCipher.class CapabilityInfo.class CapsContainer.class \
+	  DesCipher.class \
 	  RecordingFrame.class SessionRecorder.class \
 	  SocketFactory.class HTTPConnectSocketFactory.class \
 	  HTTPConnectSocket.class ReloginPanel.class \
@@ -24,7 +24,7 @@ CLASSES = VncViewer.class RfbProto.class AuthPanel.class VncCanvas.class \
 SOURCES = VncViewer.java RfbProto.java AuthPanel.java VncCanvas.java \
 	  VncCanvas2.java \
 	  OptionsFrame.java ClipboardFrame.java ButtonPanel.java \
-	  DesCipher.java CapabilityInfo.java CapsContainer.java \
+	  DesCipher.java \
 	  RecordingFrame.java SessionRecorder.java \
 	  SocketFactory.java HTTPConnectSocketFactory.java \
 	  HTTPConnectSocket.java ReloginPanel.java \
diff --git a/java/src/com/tigervnc/vncviewer/OptionsFrame.java b/java/src/com/tigervnc/vncviewer/OptionsFrame.java
index 6a50de4b..573f21d9 100644
--- a/java/src/com/tigervnc/vncviewer/OptionsFrame.java
+++ b/java/src/com/tigervnc/vncviewer/OptionsFrame.java
@@ -41,7 +41,6 @@ class OptionsFrame extends Frame
     "JPEG image quality",
     "Cursor shape updates",
     "Use CopyRect",
-    "Continuous updates",
     "Restricted colors",
     "Mouse buttons 2 and 3",
     "View only",
@@ -57,7 +56,6 @@ class OptionsFrame extends Frame
     { "Enable", "Ignore", "Disable" },
     { "Yes", "No" },
     { "Yes", "No" },
-    { "Yes", "No" },
     { "Normal", "Reversed" },
     { "Yes", "No" },
     { "Auto", "1%", "5%", "10%", "20%", "25%", "50%", "75%", "100%"},
@@ -71,13 +69,12 @@ class OptionsFrame extends Frame
     jpegQualityIndex     = 2,
     cursorUpdatesIndex   = 3,
     useCopyRectIndex     = 4,
-    contUpdatesIndex     = 5,
-    eightBitColorsIndex  = 6,
-    mouseButtonIndex     = 7,
-    viewOnlyIndex        = 8,
-    scalingFactorIndex   = 9,
-    scaleCursorIndex     = 10,
-    shareDesktopIndex    = 11;
+    eightBitColorsIndex  = 5,
+    mouseButtonIndex     = 6,
+    viewOnlyIndex        = 7,
+    scalingFactorIndex   = 8,
+    scaleCursorIndex     = 9,
+    shareDesktopIndex    = 10;
 
   Label[] labels = new Label[names.length];
   Choice[] choices = new Choice[names.length];
@@ -93,7 +90,6 @@ class OptionsFrame extends Frame
   int compressLevel;
   int jpegQuality;
   boolean useCopyRect;
-  boolean continuousUpdates;
   boolean requestCursorUpdates;
   boolean ignoreCursorUpdates;
 
@@ -157,7 +153,6 @@ class OptionsFrame extends Frame
     choices[jpegQualityIndex].select("6");
     choices[cursorUpdatesIndex].select("Enable");
     choices[useCopyRectIndex].select("Yes");
-    choices[contUpdatesIndex].select("No");
     choices[eightBitColorsIndex].select("No");
     choices[mouseButtonIndex].select("Normal");
     choices[viewOnlyIndex].select("No");
@@ -193,7 +188,6 @@ class OptionsFrame extends Frame
 
     setEncodings();
     setColorFormat();
-    setContinuousUpdates();
     setOtherOptions();
   }
   
@@ -243,21 +237,6 @@ class OptionsFrame extends Frame
     choices[shareDesktopIndex].setEnabled(false);
   }
 
-
-  //
-  // Disable the "Continuous updates" option. This method is called
-  // when we figure out that the server does not support corresponding
-  // protocol extensions.
-  //
-
-  void disableContUpdates() {
-    labels[contUpdatesIndex].setEnabled(false);
-    choices[contUpdatesIndex].setEnabled(false);
-    choices[contUpdatesIndex].select("No");
-    continuousUpdates = false;
-  }
-
-
   //
   // setEncodings looks at the encoding, compression level, JPEG
   // quality level, cursor shape updates and copyRect choices and sets
@@ -356,18 +335,6 @@ class OptionsFrame extends Frame
   }
 
   //
-  // setContinuousUpdates sets continuousUpdates variable depending on
-  // the GUI setting. VncViewer monitors the state of this variable and
-  // send corresponding protocol messages to the server when necessary.
-  //
-
-  void setContinuousUpdates() {
-
-    continuousUpdates =
-      choices[contUpdatesIndex].getSelectedItem().equals("Yes");
-  }
-
-  //
   // setOtherOptions looks at the "other" choices (ones that do not
   // cause sending any protocol messages) and sets the boolean flags
   // appropriately.
@@ -433,10 +400,6 @@ class OptionsFrame extends Frame
 
       setColorFormat();
 
-    } else if (source == choices[contUpdatesIndex]) {
-
-      setContinuousUpdates();
-
     } else if (source == choices[mouseButtonIndex] ||
 	       source == choices[shareDesktopIndex] ||
 	       source == choices[viewOnlyIndex] ||
diff --git a/java/src/com/tigervnc/vncviewer/RfbProto.java b/java/src/com/tigervnc/vncviewer/RfbProto.java
index 841b4748..da54c56b 100644
--- a/java/src/com/tigervnc/vncviewer/RfbProto.java
+++ b/java/src/com/tigervnc/vncviewer/RfbProto.java
@@ -39,12 +39,6 @@ class RfbProto {
     versionMsg_3_7 = "RFB 003.007\n",
     versionMsg_3_8 = "RFB 003.008\n";
 
-  // Vendor signatures: standard VNC/RealVNC, TridiaVNC, and TightVNC
-  final static String
-    StandardVendor  = "STDV",
-    TridiaVncVendor = "TRDV",
-    TightVncVendor  = "TGHT";
-
   // Security types
   final static int
     SecTypeInvalid   = 0,
@@ -60,22 +54,6 @@ class RfbProto {
     SecTypeX509Vnc   = 261,
     SecTypeX509Plain = 262;
 
-  // Supported tunneling types
-  final static int
-    NoTunneling = 0;
-  final static String
-    SigNoTunneling = "NOTUNNEL";
-
-  // Supported authentication types
-  final static int
-    AuthNone      = 1,
-    AuthVNC       = 2,
-    AuthUnixLogin = 129;
-  final static String
-    SigAuthNone      = "NOAUTH__",
-    SigAuthVNC       = "VNCAUTH_",
-    SigAuthUnixLogin = "ULGNAUTH";
-
   // VNC authentication results
   final static int
     VncAuthOK      = 0,
@@ -89,12 +67,6 @@ class RfbProto {
     Bell                = 2,
     ServerCutText       = 3;
 
-  // Non-standard server-to-client messages
-  final static int
-    EndOfContinuousUpdates = 150;
-  final static String
-    SigEndOfContinuousUpdates = "CUS_EOCU";
-
   // Standard client-to-server messages
   final static int
     SetPixelFormat           = 0,
@@ -105,14 +77,6 @@ class RfbProto {
     PointerEvent             = 5,
     ClientCutText            = 6;
 
-  // Non-standard client-to-server messages
-  final static int EnableContinuousUpdates = 150;
-  final static int VideoRectangleSelection = 151;
-  final static int VideoFreeze = 152;
-  final static String SigVideoFreeze = "VD_FREEZ";
-  final static String SigEnableContinuousUpdates = "CUC_ENCU";
-  final static String SigVideoRectangleSelection = "VRECTSEL";
-
   // Supported encodings and pseudo-encodings
   final static int
     EncodingRaw            = 0,
@@ -130,22 +94,6 @@ class RfbProto {
     EncodingPointerPos     = 0xFFFFFF18,
     EncodingLastRect       = 0xFFFFFF20,
     EncodingNewFBSize      = 0xFFFFFF21;
-  final static String
-    SigEncodingRaw            = "RAW_____",
-    SigEncodingCopyRect       = "COPYRECT",
-    SigEncodingRRE            = "RRE_____",
-    SigEncodingCoRRE          = "CORRE___",
-    SigEncodingHextile        = "HEXTILE_",
-    SigEncodingZlib           = "ZLIB____",
-    SigEncodingTight          = "TIGHT___",
-    SigEncodingZRLE           = "ZRLE____",
-    SigEncodingCompressLevel0 = "COMPRLVL",
-    SigEncodingQualityLevel0  = "JPEGQLVL",
-    SigEncodingXCursor        = "X11CURSR",
-    SigEncodingRichCursor     = "RCHCURSR",
-    SigEncodingPointerPos     = "POINTPOS",
-    SigEncodingLastRect       = "LASTRECT",
-    SigEncodingNewFBSize      = "NEWFBSIZ";
 
   final static int MaxNormalEncoding = 255;
 
@@ -215,20 +163,6 @@ class RfbProto {
   // Protocol version and TightVNC-specific protocol options.
   int serverMajor, serverMinor;
   int clientMajor, clientMinor;
-  boolean protocolTightVNC;
-  CapsContainer tunnelCaps, authCaps;
-  CapsContainer serverMsgCaps, clientMsgCaps;
-  CapsContainer encodingCaps;
-
-  // "Continuous updates" is a TightVNC-specific feature that allows
-  // receiving framebuffer updates continuously, without sending update
-  // requests. The variables below track the state of this feature.
-  // Initially, continuous updates are disabled. They can be enabled
-  // by calling tryEnableContinuousUpdates() method, and only if this
-  // feature is supported by the server. To disable continuous updates,
-  // tryDisableContinuousUpdates() should be called.
-  private boolean continuousUpdatesActive = false;
-  private boolean continuousUpdatesEnding = false;
 
   // If true, informs that the RFB socket was closed.
   private boolean closed;
@@ -331,8 +265,6 @@ class RfbProto {
       clientMinor = 3;
       os.write(versionMsg_3_3.getBytes());
     }
-    protocolTightVNC = false;
-    initCapabilities();
   }
 
 
@@ -380,17 +312,6 @@ class RfbProto {
     byte[] secTypes = new byte[nSecTypes];
     readFully(secTypes);
 
-/*
-    // Find out if the server supports TightVNC protocol extensions
-    for (int i = 0; i < nSecTypes; i++) {
-      if (secTypes[i] == SecTypeTight) {
-	protocolTightVNC = true;
-	os.write(SecTypeTight);
-	return SecTypeTight;
-      }
-    }
-*/
-
     // Find first supported security type.
     for (int i = 0; i < nSecTypes; i++) {
       if (secTypes[i] == SecTypeNone || secTypes[i] == SecTypeVncAuth
@@ -541,122 +462,6 @@ class RfbProto {
   }
 
   //
-  // Initialize capability lists (TightVNC protocol extensions).
-  //
-
-  void initCapabilities() {
-    tunnelCaps    = new CapsContainer();
-    authCaps      = new CapsContainer();
-    serverMsgCaps = new CapsContainer();
-    clientMsgCaps = new CapsContainer();
-    encodingCaps  = new CapsContainer();
-
-    // Supported authentication methods
-    authCaps.add(AuthNone, StandardVendor, SigAuthNone,
-		 "No authentication");
-    authCaps.add(AuthVNC, StandardVendor, SigAuthVNC,
-		 "Standard VNC password authentication");
-
-    // Supported non-standard server-to-client messages
-    serverMsgCaps.add(EndOfContinuousUpdates, TightVncVendor,
-                      SigEndOfContinuousUpdates,
-                      "End of continuous updates notification");
-
-    // Supported non-standard client-to-server messages
-    clientMsgCaps.add(EnableContinuousUpdates, TightVncVendor,
-                      SigEnableContinuousUpdates,
-                      "Enable/disable continuous updates");
-    clientMsgCaps.add(VideoRectangleSelection, TightVncVendor,
-                      SigVideoRectangleSelection,
-                      "Select a rectangle to be treated as video");
-    clientMsgCaps.add(VideoFreeze, TightVncVendor,
-                      SigVideoFreeze,
-                      "Disable/enable video rectangle");
-
-    // Supported encoding types
-    encodingCaps.add(EncodingCopyRect, StandardVendor,
-		     SigEncodingCopyRect, "Standard CopyRect encoding");
-    encodingCaps.add(EncodingRRE, StandardVendor,
-		     SigEncodingRRE, "Standard RRE encoding");
-    encodingCaps.add(EncodingCoRRE, StandardVendor,
-		     SigEncodingCoRRE, "Standard CoRRE encoding");
-    encodingCaps.add(EncodingHextile, StandardVendor,
-		     SigEncodingHextile, "Standard Hextile encoding");
-    encodingCaps.add(EncodingZRLE, StandardVendor,
-		     SigEncodingZRLE, "Standard ZRLE encoding");
-    encodingCaps.add(EncodingZlib, TridiaVncVendor,
-		     SigEncodingZlib, "Zlib encoding");
-    encodingCaps.add(EncodingTight, TightVncVendor,
-		     SigEncodingTight, "Tight encoding");
-
-    // Supported pseudo-encoding types
-    encodingCaps.add(EncodingCompressLevel0, TightVncVendor,
-		     SigEncodingCompressLevel0, "Compression level");
-    encodingCaps.add(EncodingQualityLevel0, TightVncVendor,
-		     SigEncodingQualityLevel0, "JPEG quality level");
-    encodingCaps.add(EncodingXCursor, TightVncVendor,
-		     SigEncodingXCursor, "X-style cursor shape update");
-    encodingCaps.add(EncodingRichCursor, TightVncVendor,
-		     SigEncodingRichCursor, "Rich-color cursor shape update");
-    encodingCaps.add(EncodingPointerPos, TightVncVendor,
-		     SigEncodingPointerPos, "Pointer position update");
-    encodingCaps.add(EncodingLastRect, TightVncVendor,
-		     SigEncodingLastRect, "LastRect protocol extension");
-    encodingCaps.add(EncodingNewFBSize, TightVncVendor,
-		     SigEncodingNewFBSize, "Framebuffer size change");
-  }
-
-  //
-  // Setup tunneling (TightVNC protocol extensions)
-  //
-
-  void setupTunneling() throws IOException {
-    int nTunnelTypes = readU32();
-    if (nTunnelTypes != 0) {
-      readCapabilityList(tunnelCaps, nTunnelTypes);
-
-      // We don't support tunneling yet.
-      writeInt(NoTunneling);
-    }
-  }
-
-  //
-  // Negotiate authentication scheme (TightVNC protocol extensions)
-  //
-
-  int negotiateAuthenticationTight() throws Exception {
-    int nAuthTypes = readU32();
-    if (nAuthTypes == 0)
-      return AuthNone;
-
-    readCapabilityList(authCaps, nAuthTypes);
-    for (int i = 0; i < authCaps.numEnabled(); i++) {
-      int authType = authCaps.getByOrder(i);
-      if (authType == AuthNone || authType == AuthVNC) {
-	writeInt(authType);
-	return authType;
-      }
-    }
-    throw new Exception("No suitable authentication scheme found");
-  }
-
-  //
-  // Read a capability list (TightVNC protocol extensions)
-  //
-
-  void readCapabilityList(CapsContainer caps, int count) throws IOException {
-    int code;
-    byte[] vendor = new byte[4];
-    byte[] name = new byte[8];
-    for (int i = 0; i < count; i++) {
-      code = readU32();
-      readFully(vendor);
-      readFully(name);
-      caps.enable(new CapabilityInfo(code, vendor, name));
-    }
-  }
-
-  //
   // Write a 32-bit integer into the output stream.
   //
 
@@ -712,22 +517,6 @@ class RfbProto {
     byte[] name = new byte[nameLength];
     readFully(name);
     desktopName = new String(name);
-
-    // Read interaction capabilities (TightVNC protocol extensions)
-    if (protocolTightVNC) {
-      int nServerMessageTypes = readU16();
-      int nClientMessageTypes = readU16();
-      int nEncodingTypes = readU16();
-      readU16();
-      readCapabilityList(serverMsgCaps, nServerMessageTypes);
-      readCapabilityList(clientMsgCaps, nClientMessageTypes);
-      readCapabilityList(encodingCaps, nEncodingTypes);
-    }
-
-    if (!clientMsgCaps.isEnabled(EnableContinuousUpdates)) {
-      viewer.options.disableContUpdates();
-    }
-
     inNormalProtocol = true;
   }
 
@@ -1316,164 +1105,6 @@ class RfbProto {
   }
 
 
-  //
-  // Enable continuous updates for the specified area of the screen (but
-  // only if EnableContinuousUpdates message is supported by the server).
-  //
-
-  void tryEnableContinuousUpdates(int x, int y, int w, int h)
-    throws IOException
-  {
-    if (!clientMsgCaps.isEnabled(EnableContinuousUpdates)) {
-      System.out.println("Continuous updates not supported by the server");
-      return;
-    }
-
-    if (continuousUpdatesActive) {
-      System.out.println("Continuous updates already active");
-      return;
-    }
-
-    byte[] b = new byte[10];
-
-    b[0] = (byte) EnableContinuousUpdates;
-    b[1] = (byte) 1; // enable
-    b[2] = (byte) ((x >> 8) & 0xff);
-    b[3] = (byte) (x & 0xff);
-    b[4] = (byte) ((y >> 8) & 0xff);
-    b[5] = (byte) (y & 0xff);
-    b[6] = (byte) ((w >> 8) & 0xff);
-    b[7] = (byte) (w & 0xff);
-    b[8] = (byte) ((h >> 8) & 0xff);
-    b[9] = (byte) (h & 0xff);
-
-    os.write(b);
-
-    continuousUpdatesActive = true;
-    System.out.println("Continuous updates activated");
-  }
-
-
-  //
-  // Disable continuous updates (only if EnableContinuousUpdates message
-  // is supported by the server).
-  //
-
-  void tryDisableContinuousUpdates() throws IOException
-  {
-    if (!clientMsgCaps.isEnabled(EnableContinuousUpdates)) {
-      System.out.println("Continuous updates not supported by the server");
-      return;
-    }
-
-    if (!continuousUpdatesActive) {
-      System.out.println("Continuous updates already disabled");
-      return;
-    }
-
-    if (continuousUpdatesEnding)
-      return;
-
-    byte[] b = { (byte)EnableContinuousUpdates, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
-    os.write(b);
-
-    if (!serverMsgCaps.isEnabled(EndOfContinuousUpdates)) {
-      // If the server did not advertise support for the
-      // EndOfContinuousUpdates message (should not normally happen
-      // when EnableContinuousUpdates is supported), then we clear
-      // 'continuousUpdatesActive' variable immediately. Normally,
-      // it will be reset on receiving EndOfContinuousUpdates message
-      // from the server.
-      continuousUpdatesActive = false;
-    } else {
-      // Indicate that we are waiting for EndOfContinuousUpdates.
-      continuousUpdatesEnding = true;
-    }
-  }
-
-
-  //
-  // Process EndOfContinuousUpdates message received from the server.
-  //
-
-  void endOfContinuousUpdates()
-  {
-    continuousUpdatesActive = false;
-    continuousUpdatesEnding = false;
-  }
-
-
-  //
-  // Check if continuous updates are in effect.
-  //
-
-  boolean continuousUpdatesAreActive()
-  {
-    return continuousUpdatesActive;
-  }
-
-  /**
-   * Send a rectangle selection to be treated as video by the server (but
-   * only if VideoRectangleSelection message is supported by the server).
-   * @param rect specifies coordinates and size of the rectangule.
-   * @throws java.io.IOException
-   */
-  void trySendVideoSelection(Rectangle rect) throws IOException
-  {
-    if (!clientMsgCaps.isEnabled(VideoRectangleSelection)) {
-      System.out.println("Video area selection is not supported by the server");
-      return;
-    }
-
-    // Send zero coordinates if the rectangle is empty.
-    if (rect.isEmpty()) {
-      rect = new Rectangle();
-    }
-
-    int x = rect.x;
-    int y = rect.y;
-    int w = rect.width;
-    int h = rect.height;
-
-    byte[] b = new byte[10];
-
-    b[0] = (byte) VideoRectangleSelection;
-    b[1] = (byte) 0; // reserved
-    b[2] = (byte) ((x >> 8) & 0xff);
-    b[3] = (byte) (x & 0xff);
-    b[4] = (byte) ((y >> 8) & 0xff);
-    b[5] = (byte) (y & 0xff);
-    b[6] = (byte) ((w >> 8) & 0xff);
-    b[7] = (byte) (w & 0xff);
-    b[8] = (byte) ((h >> 8) & 0xff);
-    b[9] = (byte) (h & 0xff);
-
-    os.write(b);
-
-    System.out.println("Video rectangle selection message sent");
-  }
-
-  void trySendVideoFreeze(boolean freeze) throws IOException
-  {
-    if (!clientMsgCaps.isEnabled(VideoFreeze)) {
-      System.out.println("Video freeze is not supported by the server");
-      return;
-    }
-
-    byte[] b = new byte[2];
-    byte fb = 0;
-    if (freeze) {
-      fb = 1;
-    }
-
-    b[0] = (byte) VideoFreeze;
-    b[1] = (byte) fb;
-
-    os.write(b);
-
-    System.out.println("Video freeze selection message sent");
-  }
-
   public void startTiming() {
     timing = true;
 
diff --git a/java/src/com/tigervnc/vncviewer/VncCanvas.java b/java/src/com/tigervnc/vncviewer/VncCanvas.java
index 05d88728..b7764819 100644
--- a/java/src/com/tigervnc/vncviewer/VncCanvas.java
+++ b/java/src/com/tigervnc/vncviewer/VncCanvas.java
@@ -164,7 +164,6 @@ class VncCanvas extends Canvas
     }
 
     setPixelFormat();
-    resetSelection();
 
     inputEnabled = false;
     if (!viewer.options.viewOnly)
@@ -224,17 +223,6 @@ class VncCanvas extends Canvas
 	g.drawImage(softCursor, x0, y0, null);
       }
     }
-    if (isInSelectionMode()) {
-      Rectangle r = getSelection(true);
-      if (r.width > 0 && r.height > 0) {
-        // Don't forget to correct the coordinates for the right and bottom
-        // borders, so that the borders are the part of the selection.
-        r.width -= 1;
-        r.height -= 1;
-        g.setXORMode(Color.yellow);
-        g.drawRect(r.x, r.y, r.width, r.height);
-      }
-    }
   }
 
   public void paintScaledFrameBuffer(Graphics g) {
@@ -437,11 +425,6 @@ class VncCanvas extends Canvas
     rfb.writeFramebufferUpdateRequest(0, 0, rfb.framebufferWidth,
 				      rfb.framebufferHeight, false);
 
-    if (viewer.options.continuousUpdates) {
-      rfb.tryEnableContinuousUpdates(0, 0, rfb.framebufferWidth,
-                                     rfb.framebufferHeight);
-    }
-
     resetStats();
     boolean statsRestarted = false;
 
@@ -578,36 +561,15 @@ class VncCanvas extends Canvas
 	// format should be changed.
 	if (viewer.options.eightBitColors != (bytesPixel == 1)) {
           // Pixel format should be changed.
-          if (!rfb.continuousUpdatesAreActive()) {
-            // Continuous updates are not used. In this case, we just
-            // set new pixel format and request full update.
-            setPixelFormat();
-            fullUpdateNeeded = true;
-          } else {
-            // Otherwise, disable continuous updates first. Pixel
-            // format will be set later when we are sure that there
-            // will be no unsolicited framebuffer updates.
-            rfb.tryDisableContinuousUpdates();
-            break; // skip the code below
-          }
+          setPixelFormat();
+          fullUpdateNeeded = true;
 	}
 
-        // Enable/disable continuous updates to reflect the GUI setting.
-        boolean enable = viewer.options.continuousUpdates;
-        if (enable != rfb.continuousUpdatesAreActive()) {
-          if (enable) {
-            rfb.tryEnableContinuousUpdates(0, 0, rfb.framebufferWidth,
-                                           rfb.framebufferHeight);
-          } else {
-            rfb.tryDisableContinuousUpdates();
-          }
-        }
-
         // Finally, request framebuffer update if needed.
         if (fullUpdateNeeded) {
           rfb.writeFramebufferUpdateRequest(0, 0, rfb.framebufferWidth,
                                             rfb.framebufferHeight, false);
-        } else if (!rfb.continuousUpdatesAreActive()) {
+        } else {
           rfb.writeFramebufferUpdateRequest(0, 0, rfb.framebufferWidth,
                                             rfb.framebufferHeight, true);
         }
@@ -626,25 +588,6 @@ class VncCanvas extends Canvas
 	viewer.clipboard.setCutText(s);
 	break;
 
-      case RfbProto.EndOfContinuousUpdates:
-        if (rfb.continuousUpdatesAreActive()) {
-          rfb.endOfContinuousUpdates();
-
-          // Change pixel format if such change was pending. Note that we
-          // could not change pixel format while continuous updates were
-          // in effect.
-          boolean incremental = true;
-          if (viewer.options.eightBitColors != (bytesPixel == 1)) {
-            setPixelFormat();
-            incremental = false;
-          }
-          // From this point, we ask for updates explicitly.
-          rfb.writeFramebufferUpdateRequest(0, 0, rfb.framebufferWidth,
-                                            rfb.framebufferHeight,
-                                            incremental);
-        }
-        break;
-
       default:
 	throw new Exception("Unknown RFB message type " + msgType);
       }
@@ -840,21 +783,17 @@ class VncCanvas extends Canvas
 
   private void processLocalMouseEvent(MouseEvent evt, boolean moved) {
     if (viewer.rfb != null && rfb.inNormalProtocol) {
-      if (!inSelectionMode) {
-        if (inputEnabled) {
-          // If mouse not moved, but it's click event then
-          // send it to server immideanlty.
-          // Else, it's mouse movement - we can send it in
-          // our thread later.
-          if (!moved) {
-            sendMouseEvent(evt, moved);
-          } else {
-            mouseEvent = evt;
-            needToSendMouseEvent = true;
-          }
+      if (inputEnabled) {
+        // If mouse not moved, but it's click event then
+        // send it to server immideanlty.
+        // Else, it's mouse movement - we can send it in
+        // our thread later.
+        if (!moved) {
+          sendMouseEvent(evt, moved);
+        } else {
+          mouseEvent = evt;
+          needToSendMouseEvent = true;
         }
-      } else {
-        handleSelectionMouseEvent(evt);
       }
     }
   }
@@ -1032,7 +971,7 @@ class VncCanvas extends Canvas
       rfb.readFully(maskBuf);
 
       // Decode pixel data into softCursorPixels[].
-      byte pixByte, maskByte;
+      byte maskByte;
       int x, y, n, result;
       int i = 0;
       for (y = 0; y < height; y++) {
@@ -1150,166 +1089,4 @@ class VncCanvas extends Canvas
 	      cursorX - hotX, cursorY - hotY, cursorWidth, cursorHeight);
     }
   }
-
-  //////////////////////////////////////////////////////////////////
-  //
-  // Support for selecting a rectangular video area.
-  //
-
-  /** This flag is false in normal operation, and true in the selection mode. */
-  private boolean inSelectionMode;
-
-  /** The point where the selection was started. */
-  private Point selectionStart;
-
-  /** The second point of the selection. */
-  private Point selectionEnd;
-
-  /**
-   * We change cursor when enabling the selection mode. In this variable, we
-   * save the original cursor so we can restore it on returning to the normal
-   * mode.
-   */
-  private Cursor savedCursor;
-
-  /**
-   * Initialize selection-related varibles.
-   */
-  private synchronized void resetSelection() {
-    inSelectionMode = false;
-    selectionStart = new Point(0, 0);
-    selectionEnd = new Point(0, 0);
-
-    savedCursor = getCursor();
-  }
-
-  /**
-   * Check current state of the selection mode.
-   * @return true in the selection mode, false otherwise.
-   */
-  public boolean isInSelectionMode() {
-    return inSelectionMode;
-  }
-
-  /**
-   * Get current selection.
-   * @param useScreenCoords use screen coordinates if true, or framebuffer
-   * coordinates if false. This makes difference when scaling factor is not 100.
-   * @return The selection as a {@link Rectangle}.
-   */
-  private synchronized Rectangle getSelection(boolean useScreenCoords) {
-    int x0 = selectionStart.x;
-    int x1 = selectionEnd.x;
-    int y0 = selectionStart.y;
-    int y1 = selectionEnd.y;
-    // Make x and y point to the upper left corner of the selection.
-    if (x1 < x0) {
-      int t = x0; x0 = x1; x1 = t;
-    }
-    if (y1 < y0) {
-      int t = y0; y0 = y1; y1 = t;
-    }
-    // Include the borders in the selection (unless it's empty).
-    if (x0 != x1 && y0 != y1) {
-      x1 += 1;
-      y1 += 1;
-    }
-    // Translate from screen coordinates to framebuffer coordinates.
-    if (rfb.framebufferWidth != scaledWidth) {
-      x0 = (x0 * 100 + scalingFactor/2) / scalingFactor;
-      y0 = (y0 * 100 + scalingFactor/2) / scalingFactor;
-      x1 = (x1 * 100 + scalingFactor/2) / scalingFactor;
-      y1 = (y1 * 100 + scalingFactor/2) / scalingFactor;
-    }
-    // Clip the selection to framebuffer.
-    if (x0 < 0)
-      x0 = 0;
-    if (y0 < 0)
-      y0 = 0;
-    if (x1 > rfb.framebufferWidth)
-      x1 = rfb.framebufferWidth;
-    if (y1 > rfb.framebufferHeight)
-      y1 = rfb.framebufferHeight;
-    // Make width a multiple of 16.
-    int widthBlocks = (x1 - x0 + 8) / 16;
-    if (selectionStart.x <= selectionEnd.x) {
-      x1 = x0 + widthBlocks * 16;
-      if (x1 > rfb.framebufferWidth) {
-        x1 -= 16;
-      }
-    } else {
-      x0 = x1 - widthBlocks * 16;
-      if (x0 < 0) {
-        x0 += 16;
-      }
-    }
-    // Make height a multiple of 8.
-    int heightBlocks = (y1 - y0 + 4) / 8;
-    if (selectionStart.y <= selectionEnd.y) {
-      y1 = y0 + heightBlocks * 8;
-      if (y1 > rfb.framebufferHeight) {
-        y1 -= 8;
-      }
-    } else {
-      y0 = y1 - heightBlocks * 8;
-      if (y0 < 0) {
-        y0 += 8;
-      }
-    }
-    // Translate the selection back to screen coordinates if requested.
-    if (useScreenCoords && rfb.framebufferWidth != scaledWidth) {
-      x0 = (x0 * scalingFactor + 50) / 100;
-      y0 = (y0 * scalingFactor + 50) / 100;
-      x1 = (x1 * scalingFactor + 50) / 100;
-      y1 = (y1 * scalingFactor + 50) / 100;
-    }
-    // Construct and return the result.
-    return new Rectangle(x0, y0, x1 - x0, y1 - y0);
-  }
-
-  /**
-   * Enable or disable the selection mode.
-   * @param enable enables the selection mode if true, disables if fasle.
-   */
-  public synchronized void enableSelection(boolean enable) {
-    if (enable && !inSelectionMode) {
-      // Enter the selection mode.
-      inSelectionMode = true;
-      savedCursor = getCursor();
-      setCursor(Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR));
-      repaint();
-    } else if (!enable && inSelectionMode) {
-      // Leave the selection mode.
-      inSelectionMode = false;
-      setCursor(savedCursor);
-      repaint();
-    }
-  }
-
-  /**
-   * Process mouse events in the selection mode.
-   *
-   * @param evt mouse event that was originally passed to
-   *   {@link MouseListener} or {@link MouseMotionListener}.
-   */
-  private synchronized void handleSelectionMouseEvent(MouseEvent evt) {
-    int id = evt.getID();
-    boolean button1 = (evt.getModifiers() & InputEvent.BUTTON1_MASK) != 0;
-
-    if (id == MouseEvent.MOUSE_PRESSED && button1) {
-      selectionStart = selectionEnd = evt.getPoint();
-      repaint();
-    }
-    if (id == MouseEvent.MOUSE_DRAGGED && button1) {
-      selectionEnd = evt.getPoint();
-      repaint();
-    }
-    if (id == MouseEvent.MOUSE_RELEASED && button1) {
-      try {
-        rfb.trySendVideoSelection(getSelection(false));
-      } catch (IOException e) {
-        e.printStackTrace();
-      }
-    }
-  }
 }
diff --git a/java/src/com/tigervnc/vncviewer/VncViewer.java b/java/src/com/tigervnc/vncviewer/VncViewer.java
index 1c6482a3..3a9f4c62 100644
--- a/java/src/com/tigervnc/vncviewer/VncViewer.java
+++ b/java/src/com/tigervnc/vncviewer/VncViewer.java
@@ -162,16 +162,6 @@ public class VncViewer extends java.applet.Applet
       connectAndAuthenticate();
       doProtocolInitialisation();
 
-      if (showControls &&
-          rfb.clientMsgCaps.isEnabled(RfbProto.VideoRectangleSelection)) {
-        buttonPanel.addSelectButton();
-      }
-
-      if (showControls &&
-          rfb.clientMsgCaps.isEnabled(RfbProto.VideoFreeze)) {
-        buttonPanel.addVideoFreezeButton();
-      }
-
       // FIXME: Use auto-scaling not only in a separate frame.
       if (options.autoScale && inSeparateFrame) {
 	Dimension screenSize;
@@ -352,16 +342,7 @@ public class VncViewer extends java.applet.Applet
 			 rfb.clientMajor + "." + rfb.clientMinor);
 
     int secType = rfb.negotiateSecurity();
-    int authType;
-    if (secType == RfbProto.SecTypeTight) {
-      showConnectionStatus("Enabling TightVNC protocol extensions");
-      rfb.setupTunneling();
-      authType = rfb.negotiateAuthenticationTight();
-    } else {
-      authType = secType;
-    }
-
-    doAuthentification(authType);
+    doAuthentification(secType);
   }
 
     void doAuthentification(int secType) throws Exception {