x11vnc: COLUMNS=256 and other fixes to find/create scripts. More ratecheck.

11 files changed, 533 insertions, 250 deletions

diff --git a/x11vnc/ChangeLog b/x11vnc/ChangeLog
index 7616e1c..748f6b3 100644
--- a/x11vnc/ChangeLog
+++ b/x11vnc/ChangeLog
@@ -1,3 +1,11 @@
+2007-09-26  Karl Runge <[email protected]>
+	* x11vnc: COLUMNS=256 to find/create scripts. More ratecheck.
+
+2007-09-14  Karl Runge <[email protected]>
+	* x11vnc: Add -sshxdmsvc. Fix find_display for inetd.  Improve
+	  -allinput method; env CHECK_RATE to watch for FBUR build up
+	  (i.e. JFVNC).
+
 2007-09-11  Karl Runge <[email protected]>
 	* x11vnc: fix wireframe crash under -clip.  Add -redirect for
 	  VNC redir.  -rawfb nullbig, randbig, solid, swirl, etc.
diff --git a/x11vnc/README b/x11vnc/README
index 1113f3c..50fb853 100644
--- a/x11vnc/README
+++ b/x11vnc/README
@@ -1,5 +1,5 @@
 
-x11vnc README file                         Date: Mon Sep 10 23:47:54 EDT 2007
+x11vnc README file                         Date: Wed Sep 26 15:16:21 EDT 2007
 
 The following information is taken from these URLs:
 
@@ -4109,6 +4109,25 @@ service x11vncservice
    (or one can replace the -q with say "-o /var/log/x11vnc.log" to
    capture a log)
 
+   The above works nicely for GDM becasue the -auth file is a fixed name.
+   For KDM or XDM the filename varies. Here is one idea for a x11vnc_sh
+   wrapper to try to guess the name:
+#!/bin/sh
+COLUMNS=256
+export COLUMNS
+authfile=`ps wwwwwaux | grep '/X.*-auth' | grep -v grep | sed -e 's/^.*-auth */
+/' -e 's/ .*$//' | head -n 1`
+
+if [ -r "$authfile" ]; then
+        exec /usr/local/bin/x11vnc -inetd -o /var/log/x11vnc.log -display :0 -a
+uth "$authfile"
+fi
+exit 1
+
+   Starting with x11vnc 0.9.3 this can be automated by:
+#!/bin/sh
+exec /usr/local/bin/x11vnc -inetd -o /var/log/x11vnc.log -find -env FD_XDM=1
+
 
    Q-57: Can I have x11vnc advertise its VNC service and port via mDNS /
    Zeroconf (e.g. Avahi) so VNC viewers on the local network can detect
@@ -10194,18 +10213,21 @@ Enhanced TightVNC Viewer   (SSVNC:   SSL/SSH VNC viewer)
    front-end GUI and wrapper scripts features dwarf the Unix TightVNC
    Viewer patches (see the lists below).
 
-   It adds a GUI for Windows, Mac OS X, and Unix that automatically
-   starts up STUNNEL SSL tunnel for SSL or SSH connections to [3]x11vnc,
-   and then launches the TightVNC Viewer to use the tunnel. It also
-   enables SSL encrypted VNC connections to any other VNC Server running
-   an SSL tunnel, such as STUNNEL, at their end. It can be used to
-   perform SSH tunnelled connections to any VNC Server as well.
+   The project provides a GUI for Windows, Mac OS X, and Unix that
+   automatically starts up an STUNNEL SSL tunnel for SSL or ssh for SSH
+   connections to [3]x11vnc, and then launches the TightVNC Viewer to use
+   the tunnel.
+
+   It also enables SSL encrypted VNC connections to any other VNC Server
+   running an SSL tunnel, such as STUNNEL, at their end. It can be used
+   to perform SSH tunnelled connections to any VNC Server as well.
 
    The short name for this project is "ssvnc" for SSL/SSH VNC Viewer.
    This is the name of the command to start it.
 
    There is a simplified [4]SSH-Only mode (sshvnc). And an even more
-   simplified [5]Terminal-Services mode (tsvnc) for use with x11vnc.
+   simplified [5]Terminal-Services mode (tsvnc) for use with x11vnc on
+   the remote side.
 
    The tool has many additional features; see the descriptions below.
 
@@ -10272,7 +10294,7 @@ Enhanced TightVNC Viewer   (SSVNC:   SSL/SSH VNC viewer)
        CursorShape updates, X11 Cursor, Cursor Alphablending, Toggle
        Tight/ZRLE, Toggle JPEG, FullColor/16bpp/8bpp (256/64/8 colors),
        Greyscale for low color modes.
-     * Maintains its own BackingStore if the X server does not
+     * Maintains its own BackingStore if the X server does not.
      * The default for localhost:0 connections is not raw encoding since
        same-machine connections are pretty rare. Default assumes you are
        using a SSL or SSH tunnel. Use -rawlocal to revert.
@@ -10408,7 +10430,7 @@ Windows:
    "ssvnc.bat" that looks like this:
 C:
 cd \ssvnc\Windows
-ssvnc.exe
+start ssvnc.exe
 
    Update: A simple workaround is now in place where it will copy
    everything to a cache directory ss_vnc/cache in your Windows home
@@ -10424,12 +10446,16 @@ ssvnc.exe
    (the Mac OS X and Unix launchers are simply links to the bin
    directory). See the README for more information.
 
+   The [14]SSH-Only mode launcher program has name sshvnc. The
+   [15]Terminal Services mode launcher program (assumes x11vnc 0.8.4 or
+   later and Xvfb installed on the server machine) has name tsvnc.
+
    The Viewer SSL support is done via a wrapper script (bin/ssvnc_cmd
    that calls bin/util/ss_vncviewer) that starts up the STUNNEL tunnel
    first and then starts the TightVNC viewer pointed at that tunnel. The
-   bin/ssvnc program is a GUI front-end to that script. See [14]this FAQ
+   bin/ssvnc program is a GUI front-end to that script. See [16]this FAQ
    for more details on SSL tunnelling. In SSH connection mode, the
-   wrappers stat up SSH appropriately.
+   wrappers start up SSH appropriately.
 
 
    Memory Stick Usage: If you create a directory named "Home" in that
@@ -10467,7 +10493,7 @@ ssvnc.exe
    switch from the regular SSVNC mode, click "Terminal Services" under
    Options.
 
-   This mode requires [15]x11vnc (0.9.3 or later) installed on the remote
+   This mode requires [17]x11vnc (0.9.3 or later) installed on the remote
    machine to find, create, and manage the user sessions. SSH is used to
    create the encrypted and authenticated tunnel. The Xvfb (virtual
    framebuffer X server) program must also be installed on the remote
@@ -10485,16 +10511,22 @@ ssvnc.exe
    press "Connect").
 
    Normally the Terminal Services sessions created are virtual (RAM-only)
-   ones (e.g. Xvfb, [16]Xdummy, or Xvnc), however a nice feature is if
+   ones (e.g. Xvfb, [18]Xdummy, or Xvnc), however a nice feature is if
    you have a regular X session (i.e displaying on the physical hardware)
    on the remote machine that you are ALREADY logged into, then the
    x11vnc run from tsvnc will find it for you as well.
 
+   Also, there is setting "X Login" under Advanced Options that allows
+   you to attach to a real X server with no one logged in yet (i.e.
+   XDM/GDM/KDM Login Greeter screen) as long as you have sudo(1)
+   permission on the remote machine.
+
    Nice features to soon to be added to the tsvnc mode are easy CUPS
-   printing and Sound redirection of the Terminal Services session. It is
-   easier in tsvnc mode because the entire desktop session can be started
-   with the correct environment. ssvnc tries to handle the general case
-   of an already started desktop and that is more difficult.
+   printing (working fairly well) and Sound redirection (needs much work)
+   of the Terminal Services Desktop session. It is easier in tsvnc mode
+   because the entire desktop session can be started with the correct
+   environment. ssvnc tries to handle the general case of an already
+   started desktop and that is more difficult.
 
 
    Dynamic VNC Server Port determination: If you are running SSVNC on
@@ -10521,7 +10553,7 @@ or:     PORT= vncserver :4; sleep 15
    sessions if called repeatedly.
 
    If you use PORT= on Windows, a large random port is selected instead
-   and the [17]-rfbport option is passed to x11vnc (it does not work with
+   and the [19]-rfbport option is passed to x11vnc (it does not work with
    vncserver).
 
 
@@ -10532,7 +10564,7 @@ or:     PORT= vncserver :4; sleep 15
    resize when the server does (e.g. "x11vnc -R scale=3/4" remote control
    command).
 
-   The cursor alphablending is [18]described here.
+   The cursor alphablending is [20]described here.
 
    The RealVNC ZRLE encoding is supported, in addition to some low colors
    modes (16bpp and 8bpp at 256, 64, and even 8 colors, for use on very
@@ -10542,7 +10574,7 @@ or:     PORT= vncserver :4; sleep 15
    The Popup menu (F8) is enhanced with the ability to change many things
    on the fly. F9 is added as a shortcut to toggle FullScreen mode.
 
-   Client Side Caching: The x11vnc [19]client-side caching is handled
+   Client Side Caching: The x11vnc [21]client-side caching is handled
    nicely by this viewer. The very large pixel cache below the actual
    display in this caching method is distracting. Our Unix VNC viewer
    will automatically try to autodetect the actual display height if the
@@ -10555,7 +10587,7 @@ or:     PORT= vncserver :4; sleep 15
    scrollbars are set to be very thin (2 pixels) to be less distracting.
    Use the -sbwidth n to make them wider.
 
-   Probably nobody is interested in the [20]grabserver patch for old
+   Probably nobody is interested in the [22]grabserver patch for old
    window managers when the viewer is in fullscreen mode... This and some
    other unfixed bugs have been fixed in our patches (fullscreen toggle
    works with KDE, -x11cursor has been fixed, and the dot cursor has been
@@ -10712,7 +10744,7 @@ Enhanced TightVNC viewer (SSVNC) options:
      _________________________________________________________________
 
    Hopefully this tool will make it convenient for people to help test
-   and use the [21]built-in SSL support in x11vnc. Extra testing of this
+   and use the [23]built-in SSL support in x11vnc. Extra testing of this
    feature is much appreciated!! Thanks.
 
    Please Help Test the newly added features:
@@ -10725,47 +10757,47 @@ Enhanced TightVNC viewer (SSVNC) options:
    Server machine, and to mount your local Windows or Samba shares on the
    remote VNC Server machine. Basically these new features try to
    automate the tricks described here:
-    [22]http://www.karlrunge.com/x11vnc/#faq-smb-shares
-    [23]http://www.karlrunge.com/x11vnc/#faq-cups
-    [24]http://www.karlrunge.com/x11vnc/#faq-sound
+    [24]http://www.karlrunge.com/x11vnc/#faq-smb-shares
+    [25]http://www.karlrunge.com/x11vnc/#faq-cups
+    [26]http://www.karlrunge.com/x11vnc/#faq-sound
      _________________________________________________________________
 
    Downloading: This project can be downloaded here, choose the archive
    file bundle that best suits you (e.g. no source code, windows only,
    unix only, zip, tar etc):
-  [25]ssvnc_windows_only-1.0.18.zip      Windows Binaries Only.  No source incl
+  [27]ssvnc_windows_only-1.0.18.zip      Windows Binaries Only.  No source incl
 uded (~6MB)
-  [26]ssvnc_no_windows-1.0.18.tar.gz     Unix and Mac OS X Only. No Windows bin
+  [28]ssvnc_no_windows-1.0.18.tar.gz     Unix and Mac OS X Only. No Windows bin
 aries.  Source included. (~6MB)
-  [27]ssvnc_unix_only-1.0.18.tar.gz      Unix Binaries Only.     No source incl
+  [29]ssvnc_unix_only-1.0.18.tar.gz      Unix Binaries Only.     No source incl
 uded. (~3.5MB)
-  [28]ssvnc_unix_minimal-1.0.18.tar.gz   Unix Minimal.  You must supply your ow
+  [30]ssvnc_unix_minimal-1.0.18.tar.gz   Unix Minimal.  You must supply your ow
 n vncviewer and stunnel. (~0.1MB)
 
-  [29]ssvnc-1.0.18.tar.gz                All Unix, Mac OS X, and Windows binari
+  [31]ssvnc-1.0.18.tar.gz                All Unix, Mac OS X, and Windows binari
 es and source TGZ. (~11MB)
-  [30]ssvnc-1.0.18.zip                   All Unix, Mac OS X, and Windows binari
+  [32]ssvnc-1.0.18.zip                   All Unix, Mac OS X, and Windows binari
 es and source ZIP. (~11MB)
-  [31]ssvnc_all-1.0.18.zip               All Unix, Mac OS X, and Windows binari
+  [33]ssvnc_all-1.0.18.zip               All Unix, Mac OS X, and Windows binari
 es and source AND full archives in the zip dir. (~15MB)
 
    You can try for an older one by replacing, e.g. ".18" by ".11", etc.
 
    Here are the corresponding development bundles:
-  [32]ssvnc_windows_only-1.0.19.zip
-  [33]ssvnc_no_windows-1.0.19.tar.gz
-  [34]ssvnc_unix_only-1.0.19.tar.gz
-  [35]ssvnc_unix_minimal-1.0.19.tar.gz
+  [34]ssvnc_windows_only-1.0.19.zip
+  [35]ssvnc_no_windows-1.0.19.tar.gz
+  [36]ssvnc_unix_only-1.0.19.tar.gz
+  [37]ssvnc_unix_minimal-1.0.19.tar.gz
 
-  [36]ssvnc-1.0.19.tar.gz
-  [37]ssvnc-1.0.19.zip
-  [38]ssvnc_all-1.0.19.zip
+  [38]ssvnc-1.0.19.tar.gz
+  [39]ssvnc-1.0.19.zip
+  [40]ssvnc_all-1.0.19.zip
 
    Please help test the UltraVNC File Transfer support in the native Unix
    VNC viewer!
 
    A self-extracting and running file for the "ssvnc_unix_minimal"
-   package is here: [39]ssvnc. Save it as filename "ssvnc", type "chmod
+   package is here: [41]ssvnc. Save it as filename "ssvnc", type "chmod
    755 ./ssvnc", and then launch the GUI via typing "./ssvnc". Note that
    this "ssvnc_unix_minimal" mode requires you install the "stunnel" and
    "vncviewer" programs externally (for example, install your distros'
@@ -10805,13 +10837,13 @@ es and source AND full archives in the zip dir. (~15MB)
    redistribute the above because of cryptographic software they contain
    or for other reasons. Please check out your situation and information
    at the following and related sites:
-        [40]http://www.stunnel.org
-        [41]http://stunnel.mirt.net
-        [42]http://www.openssl.org
-        [43]http://www.chiark.greenend.org.uk/~sgtatham/putty/
-        [44]http://www.tightvnc.com
-        [45]http://www.realvnc.com
-        [46]http://sourceforge.net/projects/cotvnc/
+        [42]http://www.stunnel.org
+        [43]http://stunnel.mirt.net
+        [44]http://www.openssl.org
+        [45]http://www.chiark.greenend.org.uk/~sgtatham/putty/
+        [46]http://www.tightvnc.com
+        [47]http://www.realvnc.com
+        [48]http://sourceforge.net/projects/cotvnc/
      _________________________________________________________________
 
    Here is the toplevel README from the bundle:
@@ -11361,39 +11393,41 @@ References
   11. http://www.karlrunge.com/x11vnc/index.html#faq-xfixes-alpha-hacks
   12. http://www.karlrunge.com/x11vnc/index.html#faq-client-caching
   13. http://www.karlrunge.com/x11vnc/enhanced_tightvnc_viewer.html#popup
-  14. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-ext
-  15. http://www.karlrunge.com/x11vnc/index.html
-  16. http://www.karlrunge.com/x11vnc/index.html#faq-xvfb
-  17. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rfbport
-  18. http://www.karlrunge.com/x11vnc/index.html#faq-xfixes-alpha-hacks
-  19. http://www.karlrunge.com/x11vnc/index.html#faq-client-caching
-  20. http://www.karlrunge.com/x11vnc/index.html#faq-scrollbars
-  21. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-int
-  22. http://www.karlrunge.com/x11vnc/index.html#faq-smb-shares
-  23. http://www.karlrunge.com/x11vnc/index.html#faq-cups
-  24. http://www.karlrunge.com/x11vnc/index.html#faq-sound
-  25. http://www.karlrunge.com/x11vnc/etv/ssvnc_windows_only-1.0.18.zip
-  26. http://www.karlrunge.com/x11vnc/etv/ssvnc_no_windows-1.0.18.tar.gz
-  27. http://www.karlrunge.com/x11vnc/etv/ssvnc_unix_only-1.0.18.tar.gz
-  28. http://www.karlrunge.com/x11vnc/etv/ssvnc_unix_minimal-1.0.18.tar.gz
-  29. http://www.karlrunge.com/x11vnc/etv/ssvnc-1.0.18.tar.gz
-  30. http://www.karlrunge.com/x11vnc/etv/ssvnc-1.0.18.zip
-  31. http://www.karlrunge.com/x11vnc/etv/ssvnc_all-1.0.18.zip
-  32. http://www.karlrunge.com/x11vnc/etv/ssvnc_windows_only-1.0.19.zip
-  33. http://www.karlrunge.com/x11vnc/etv/ssvnc_no_windows-1.0.19.tar.gz
-  34. http://www.karlrunge.com/x11vnc/etv/ssvnc_unix_only-1.0.19.tar.gz
-  35. http://www.karlrunge.com/x11vnc/etv/ssvnc_unix_minimal-1.0.19.tar.gz
-  36. http://www.karlrunge.com/x11vnc/etv/ssvnc-1.0.19.tar.gz
-  37. http://www.karlrunge.com/x11vnc/etv/ssvnc-1.0.19.zip
-  38. http://www.karlrunge.com/x11vnc/etv/ssvnc_all-1.0.19.zip
-  39. http://www.karlrunge.com/x11vnc/etv/ssvnc
-  40. http://www.stunnel.org/
-  41. http://stunnel.mirt.net/
-  42. http://www.openssl.org/
-  43. http://www.chiark.greenend.org.uk/~sgtatham/putty/
-  44. http://www.tightvnc.com/
-  45. http://www.realvnc.com/
-  46. http://sourceforge.net/projects/cotvnc/
+  14. http://www.karlrunge.com/x11vnc/enhanced_tightvnc_viewer.html#sshvnc
+  15. http://www.karlrunge.com/x11vnc/enhanced_tightvnc_viewer.html#tsvnc
+  16. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-ext
+  17. http://www.karlrunge.com/x11vnc/index.html
+  18. http://www.karlrunge.com/x11vnc/index.html#faq-xvfb
+  19. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rfbport
+  20. http://www.karlrunge.com/x11vnc/index.html#faq-xfixes-alpha-hacks
+  21. http://www.karlrunge.com/x11vnc/index.html#faq-client-caching
+  22. http://www.karlrunge.com/x11vnc/index.html#faq-scrollbars
+  23. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-int
+  24. http://www.karlrunge.com/x11vnc/index.html#faq-smb-shares
+  25. http://www.karlrunge.com/x11vnc/index.html#faq-cups
+  26. http://www.karlrunge.com/x11vnc/index.html#faq-sound
+  27. http://www.karlrunge.com/x11vnc/etv/ssvnc_windows_only-1.0.18.zip
+  28. http://www.karlrunge.com/x11vnc/etv/ssvnc_no_windows-1.0.18.tar.gz
+  29. http://www.karlrunge.com/x11vnc/etv/ssvnc_unix_only-1.0.18.tar.gz
+  30. http://www.karlrunge.com/x11vnc/etv/ssvnc_unix_minimal-1.0.18.tar.gz
+  31. http://www.karlrunge.com/x11vnc/etv/ssvnc-1.0.18.tar.gz
+  32. http://www.karlrunge.com/x11vnc/etv/ssvnc-1.0.18.zip
+  33. http://www.karlrunge.com/x11vnc/etv/ssvnc_all-1.0.18.zip
+  34. http://www.karlrunge.com/x11vnc/etv/ssvnc_windows_only-1.0.19.zip
+  35. http://www.karlrunge.com/x11vnc/etv/ssvnc_no_windows-1.0.19.tar.gz
+  36. http://www.karlrunge.com/x11vnc/etv/ssvnc_unix_only-1.0.19.tar.gz
+  37. http://www.karlrunge.com/x11vnc/etv/ssvnc_unix_minimal-1.0.19.tar.gz
+  38. http://www.karlrunge.com/x11vnc/etv/ssvnc-1.0.19.tar.gz
+  39. http://www.karlrunge.com/x11vnc/etv/ssvnc-1.0.19.zip
+  40. http://www.karlrunge.com/x11vnc/etv/ssvnc_all-1.0.19.zip
+  41. http://www.karlrunge.com/x11vnc/etv/ssvnc
+  42. http://www.stunnel.org/
+  43. http://stunnel.mirt.net/
+  44. http://www.openssl.org/
+  45. http://www.chiark.greenend.org.uk/~sgtatham/putty/
+  46. http://www.tightvnc.com/
+  47. http://www.realvnc.com/
+  48. http://sourceforge.net/projects/cotvnc/
 	
 =======================================================================
 http://www.karlrunge.com/x11vnc/x11vnc_opts.html:
@@ -11406,7 +11440,7 @@ x11vnc: a VNC server for real X displays
    Here are all of x11vnc command line options:
 % x11vnc -opts      (see below for -help long descriptions)
 
-x11vnc: allow VNC connections to real X11 displays. 0.9.3 lastmod: 2007-09-10
+x11vnc: allow VNC connections to real X11 displays. 0.9.3 lastmod: 2007-09-26
 
 x11vnc options:
   -display disp            -auth file               -N                     
@@ -11428,68 +11462,69 @@ x11vnc options:
   -find                    -finddpy                 -listdpy               
   -create                  -xdummy                  -xvnc                  
   -xvnc_redirect           -svc                     -svc_xdummy            
-  -svc_xvnc                -xdmsvc                  -redirect port         
-  -display WAIT:...        -nossl                   -ssl [pem]             
-  -ssltimeout n            -sslnofail               -ssldir [dir]          
-  -sslverify [path]        -sslGenCA [dir]          -sslGenCert type name  
-  -sslEncKey [pem]         -sslCertInfo [pem]       -sslDelCert [pem]      
-  -stunnel [pem]           -stunnel3  [pem]         -https [port]          
-  -httpsredir [port]       -usepw                   -storepasswd pass file 
-  -nopw                    -accept string           -afteraccept string    
-  -gone string             -users list              -noshm                 
-  -flipbyteorder           -onetile                 -solid [color]         
-  -blackout string         -xinerama                -noxinerama            
-  -xtrap                   -xrandr [mode]           -rotate string         
-  -padgeom WxH             -o logfile               -flag file             
-  -rc filename             -norc                    -env VAR=VALUE         
-  -prog /path/to/x11vnc    -h, -help                -?, -opts              
-  -V, -version             -license                 -dbg                   
-  -q, -quiet               -v, -verbose             -bg                    
-  -modtweak                -nomodtweak              -xkb                   
-  -noxkb                   -capslock                -skip_lockkeys         
-  -skip_keycodes string    -sloppy_keys             -skip_dups             
-  -noskip_dups             -add_keysyms             -noadd_keysyms         
-  -clear_mods              -clear_keys              -remap string          
-  -norepeat                -repeat                  -nofb                  
-  -nobell                  -nosel                   -noprimary             
-  -nosetprimary            -noclipboard             -nosetclipboard        
-  -seldir string           -cursor [mode]           -nocursor              
-  -cursor_drag             -arrow n                 -noxfixes              
-  -alphacut n              -alphafrac fraction      -alpharemove           
-  -noalphablend            -nocursorshape           -cursorpos             
-  -nocursorpos             -xwarppointer            -noxwarppointer        
-  -buttonmap string        -nodragging              -ncache n              
-  -ncache_cr               -ncache_no_moveraise     -ncache_no_dtchange    
-  -ncache_no_rootpixmap    -ncache_keep_anims       -ncache_old_wm         
-  -ncache_pad n            -debug_ncache            -wireframe [str]       
-  -nowireframe             -nowireframelocal        -wirecopyrect mode     
-  -nowirecopyrect          -debug_wireframe         -scrollcopyrect mode   
-  -noscrollcopyrect        -scr_area n              -scr_skip list         
-  -scr_inc list            -scr_keys list           -scr_term list         
-  -scr_keyrepeat lo-hi     -scr_parms string        -fixscreen string      
-  -debug_scroll            -noxrecord               -grab_buster           
-  -nograb_buster           -debug_grabs             -debug_sel             
-  -pointer_mode n          -input_skip n            -allinput              
-  -speeds rd,bw,lat        -wmdt string             -debug_pointer         
-  -debug_keyboard          -defer time              -wait time             
-  -wait_ui factor          -nowait_bog              -slow_fb time          
-  -xrefresh time           -readtimeout n           -nap                   
-  -nonap                   -sb time                 -nofbpm                
-  -fbpm                    -nodpms                  -dpms                  
-  -forcedpms               -clientdpms              -noserverdpms          
-  -noultraext              -noxdamage               -xd_area A             
-  -xd_mem f                -sigpipe string          -threads               
-  -nothreads               -fs f                    -gaps n                
-  -grow n                  -fuzz n                  -debug_tiles           
-  -snapfb                  -rawfb string            -freqtab file          
-  -pipeinput cmd           -macnodim                -macnosleep            
-  -macnosaver              -macnowait               -macwheel n            
-  -macnoswap               -macnoresize             -maciconanim n         
-  -macmenu                 -gui [gui-opts]          -remote command        
-  -query variable          -QD variable             -sync                  
-  -noremote                -yesremote               -unsafe                
-  -safer                   -privremote              -nocmds                
-  -allowedcmds list        -deny_all              
+  -svc_xvnc                -xdmsvc                  -sshxdmsvc             
+  -redirect port           -display WAIT:...        -nossl                 
+  -ssl [pem]               -ssltimeout n            -sslnofail             
+  -ssldir [dir]            -sslverify [path]        -sslGenCA [dir]        
+  -sslGenCert type name    -sslEncKey [pem]         -sslCertInfo [pem]     
+  -sslDelCert [pem]        -stunnel [pem]           -stunnel3  [pem]       
+  -https [port]            -httpsredir [port]       -usepw                 
+  -storepasswd pass file   -nopw                    -accept string         
+  -afteraccept string      -gone string             -users list            
+  -noshm                   -flipbyteorder           -onetile               
+  -solid [color]           -blackout string         -xinerama              
+  -noxinerama              -xtrap                   -xrandr [mode]         
+  -rotate string           -padgeom WxH             -o logfile             
+  -flag file               -rc filename             -norc                  
+  -env VAR=VALUE           -prog /path/to/x11vnc    -h, -help              
+  -?, -opts                -V, -version             -license               
+  -dbg                     -q, -quiet               -v, -verbose           
+  -bg                      -modtweak                -nomodtweak            
+  -xkb                     -noxkb                   -capslock              
+  -skip_lockkeys           -skip_keycodes string    -sloppy_keys           
+  -skip_dups               -noskip_dups             -add_keysyms           
+  -noadd_keysyms           -clear_mods              -clear_keys            
+  -remap string            -norepeat                -repeat                
+  -nofb                    -nobell                  -nosel                 
+  -noprimary               -nosetprimary            -noclipboard           
+  -nosetclipboard          -seldir string           -cursor [mode]         
+  -nocursor                -cursor_drag             -arrow n               
+  -noxfixes                -alphacut n              -alphafrac fraction    
+  -alpharemove             -noalphablend            -nocursorshape         
+  -cursorpos               -nocursorpos             -xwarppointer          
+  -noxwarppointer          -buttonmap string        -nodragging            
+  -ncache n                -ncache_cr               -ncache_no_moveraise   
+  -ncache_no_dtchange      -ncache_no_rootpixmap    -ncache_keep_anims     
+  -ncache_old_wm           -ncache_pad n            -debug_ncache          
+  -wireframe [str]         -nowireframe             -nowireframelocal      
+  -wirecopyrect mode       -nowirecopyrect          -debug_wireframe       
+  -scrollcopyrect mode     -noscrollcopyrect        -scr_area n            
+  -scr_skip list           -scr_inc list            -scr_keys list         
+  -scr_term list           -scr_keyrepeat lo-hi     -scr_parms string      
+  -fixscreen string        -debug_scroll            -noxrecord             
+  -grab_buster             -nograb_buster           -debug_grabs           
+  -debug_sel               -pointer_mode n          -input_skip n          
+  -allinput                -speeds rd,bw,lat        -wmdt string           
+  -debug_pointer           -debug_keyboard          -defer time            
+  -wait time               -wait_ui factor          -nowait_bog            
+  -slow_fb time            -xrefresh time           -readtimeout n         
+  -nap                     -nonap                   -sb time               
+  -nofbpm                  -fbpm                    -nodpms                
+  -dpms                    -forcedpms               -clientdpms            
+  -noserverdpms            -noultraext              -noxdamage             
+  -xd_area A               -xd_mem f                -sigpipe string        
+  -threads                 -nothreads               -fs f                  
+  -gaps n                  -grow n                  -fuzz n                
+  -debug_tiles             -snapfb                  -rawfb string          
+  -freqtab file            -pipeinput cmd           -macnodim              
+  -macnosleep              -macnosaver              -macnowait             
+  -macwheel n              -macnoswap               -macnoresize           
+  -maciconanim n           -macmenu                 -gui [gui-opts]        
+  -remote command          -query variable          -QD variable           
+  -sync                    -noremote                -yesremote             
+  -unsafe                  -safer                   -privremote            
+  -nocmds                  -allowedcmds list        -deny_all              
+
 
 libvncserver options:
 -rfbport port          TCP port for RFB protocol
@@ -11523,7 +11558,7 @@ libvncserver-tight-extension options:
 
 % x11vnc -help
 
-x11vnc: allow VNC connections to real X11 displays. 0.9.3 lastmod: 2007-09-10
+x11vnc: allow VNC connections to real X11 displays. 0.9.3 lastmod: 2007-09-26
 
 (type "x11vnc -opts" to just list the options.)
 
@@ -12283,22 +12318,42 @@ Options:
                        FINDCREATEDISPLAY method.  This is an alias for
                        "-display WAIT:cmd=FINDCREATEDISPLAY-Xvfb".
 
--xdummy                As in -create, except Xdummy instead of Xvfb.  Implies
-                       FD_XDUMMY_NOROOT=1.
+                       SSH NOTE: for both -find and -create you can (should!)
+                       add the "-localhost" option to force SSH tunnel access.
+
+-xdummy                As in -create, except Xdummy instead of Xvfb.
 -xvnc                  As in -create, except Xvnc instead of Xvfb.
 -xvnc_redirect         As in -create, except Xvnc.redirect instead of Xvfb.
 
--svc                   Terminal services mode. Also "-service". Alias for
-                       -display WAIT:cmd=FINDCREATEDISPLAY-Xvfb -unixpw
-                       -users unixpw= -ssl SAVE
+-svc                   Terminal services mode based on SSL access.  Alias for
+                       -display WAIT:cmd=FINDCREATEDISPLAY-Xvfb -unixpw -users
+                       unixpw= -ssl SAVE   Also "-service".
 
--svc_xdummy            As -svc except Xdummy instead of Xvfb.  Implies
-                       FD_XDUMMY_NOROOT=1.
+-svc_xdummy            As -svc except Xdummy instead of Xvfb.
 -svc_xvnc              As -svc except Xvnc instead of Xvfb.
 
--xdmsvc                Terminal services mode. Also "-xdm_service". Alias for
-                       -display WAIT:cmd=FINDCREATEDISPLAY-Xvfb.xdmcp -unixpw
-                       -users unixpw= -ssl SAVE
+-xdmsvc                Display manager Terminal services mode based on SSL.
+                       Alias for -display WAIT:cmd=FINDCREATEDISPLAY-Xvfb.xdmcp
+                       -unixpw -users unixpw= -ssl SAVE  Also "-xdm_service".
+
+                       To create a session a user will have to first log in
+                       to the -unixpw dialog and then log in again to the
+                       XDM/GDM/KDM prompt.  Subsequent re-connections will
+                       only require the -unixpw password.  See the discussion
+                       under -display WAIT:... for more details about XDM,
+                       etc configuration.
+
+-sshxdmsvc             Display manager Terminal services mode based on SSH.
+                       Alias for -display WAIT:cmd=FINDCREATEDISPLAY-Xvfb.xdmcp
+                       -localhost.
+
+                       The -localhost option constrains connections to come
+                       in via a SSH tunnel (which will require a login).
+                       To create a session a user will also have to log into
+                       the XDM GDM KDM prompt. Subsequent re-connections will
+                       only only require the SSH login.  See the discussion
+                       under -display WAIT:... for more details about XDM,
+                       etc configuration.
 
 -redirect port         As in FINDCREATEDISPLAY-Xvnc.redirect mode except
                        redirect immediately (i.e. without X session finding
@@ -12448,14 +12503,19 @@ Options:
                        actually start up an X server.
 
                        By default FINDCREATEDISPLAY will try Xdummy and then
-                       Xvfb.  The Xdummy wrapper is part of the x11vnc source
-                       code (x11vnc/misc/Xdummy)  It should be available in
-                       PATH and have run "Xdummy -install" once to create
-                       the shared library.  Xdummy requires root permission and
-                       only works on Linux.  (Note: specify FD_XDUMMY_NOROOT=1
-                       to skip a check for the root id; evidently your sudo(1)
-                       will take care of everything).  Xvfb is available on
-                       most platforms and does not require root.
+                       Xvfb:
+
+                       The Xdummy wrapper is part of the x11vnc source code
+                       (x11vnc/misc/Xdummy)  It should be available in PATH and
+                       have run "Xdummy -install" once to create the shared
+                       library.  Xdummy requires root permission and only works
+                       on Linux.  (Note: specify FD_XDUMMY_NOROOT=1 to skip
+                       a check for the root id; evidently your sudo(1) will
+                       take care of everything.  The -xdummy and -svc_xdummy
+                       options imply FD_XDUMMY_NOROOT=1).
+
+                       Xvfb is available on most platforms and does not
+                       require root.
 
                        When x11vnc exits (i.e. user disconnects) the X
                        server session stays running in the background.
@@ -12527,8 +12587,9 @@ Options:
                         for kdm in kdmrc:      Enable=true in section [Xdmcp]
                         for xdm in xdm-config: DisplayManager.requestPort: 177
 
-                       See the shorthand options above "-svc" and "-xdmsvc"
-                       that specify the above options for some useful cases.
+                       See the shorthand options above "-svc", "-xdmsvc"
+                       and "-sshxdmsvc" that specify the above options for
+                       some useful cases.
 
                        If you set the env. var WAITBG=1 x11vnc will go into
                        the background once listening in wait mode.
diff --git a/x11vnc/connections.c b/x11vnc/connections.c
index 7d58a54..ac0723d 100644
--- a/x11vnc/connections.c
+++ b/x11vnc/connections.c
@@ -1934,10 +1934,10 @@ void read_x11vnc_remote_prop(int nomsg) {
 	} else if (strstr(x11vnc_remote_str, "cmd=") &&
 	    strstr(x11vnc_remote_str, "passwd")) {
 		rfbLog("read X11VNC_REMOTE: *\n");
-	} else if (strlen(x11vnc_remote_str) > 38) {
+	} else if (strlen(x11vnc_remote_str) > 36) {
 		char trim[100]; 
 		trim[0] = '\0';
-		strncat(trim, x11vnc_remote_str, 38);
+		strncat(trim, x11vnc_remote_str, 36);
 		rfbLog("read X11VNC_REMOTE: %s ...\n", trim);
 		
 	} else {
diff --git a/x11vnc/help.c b/x11vnc/help.c
index c83e161..75d8700 100644
--- a/x11vnc/help.c
+++ b/x11vnc/help.c
@@ -782,22 +782,42 @@ void print_help(int mode) {
 "                       FINDCREATEDISPLAY method.  This is an alias for\n"
 "                       \"-display WAIT:cmd=FINDCREATEDISPLAY-Xvfb\".\n"
 "\n"
-"-xdummy                As in -create, except Xdummy instead of Xvfb.  Implies\n"
-"                       FD_XDUMMY_NOROOT=1.\n"
+"                       SSH NOTE: for both -find and -create you can (should!)\n"
+"                       add the \"-localhost\" option to force SSH tunnel access.\n"
+"\n"
+"-xdummy                As in -create, except Xdummy instead of Xvfb.\n"
 "-xvnc                  As in -create, except Xvnc instead of Xvfb.\n"
 "-xvnc_redirect         As in -create, except Xvnc.redirect instead of Xvfb.\n"
 "\n"
-"-svc                   Terminal services mode. Also \"-service\". Alias for\n"
-"                       -display WAIT:cmd=FINDCREATEDISPLAY-Xvfb -unixpw\n"
-"                       -users unixpw= -ssl SAVE\n"
+"-svc                   Terminal services mode based on SSL access.  Alias for\n"
+"                       -display WAIT:cmd=FINDCREATEDISPLAY-Xvfb -unixpw -users\n"
+"                       unixpw= -ssl SAVE   Also \"-service\".\n"
 "\n"
-"-svc_xdummy            As -svc except Xdummy instead of Xvfb.  Implies\n"
-"                       FD_XDUMMY_NOROOT=1.\n"
+"-svc_xdummy            As -svc except Xdummy instead of Xvfb.\n"
 "-svc_xvnc              As -svc except Xvnc instead of Xvfb.\n"
 "\n"
-"-xdmsvc                Terminal services mode. Also \"-xdm_service\". Alias for\n"
-"                       -display WAIT:cmd=FINDCREATEDISPLAY-Xvfb.xdmcp -unixpw\n"
-"                       -users unixpw= -ssl SAVE\n"
+"-xdmsvc                Display manager Terminal services mode based on SSL.\n"
+"                       Alias for -display WAIT:cmd=FINDCREATEDISPLAY-Xvfb.xdmcp\n"
+"                       -unixpw -users unixpw= -ssl SAVE  Also \"-xdm_service\".\n"
+"\n"
+"                       To create a session a user will have to first log in\n"
+"                       to the -unixpw dialog and then log in again to the\n"
+"                       XDM/GDM/KDM prompt.  Subsequent re-connections will\n"
+"                       only require the -unixpw password.  See the discussion\n"
+"                       under -display WAIT:... for more details about XDM,\n"
+"                       etc configuration.\n"
+"\n"
+"-sshxdmsvc             Display manager Terminal services mode based on SSH.\n"
+"                       Alias for -display WAIT:cmd=FINDCREATEDISPLAY-Xvfb.xdmcp\n"
+"                       -localhost.\n"
+"\n"
+"                       The -localhost option constrains connections to come\n"
+"                       in via a SSH tunnel (which will require a login).\n"
+"                       To create a session a user will also have to log into\n"
+"                       the XDM GDM KDM prompt. Subsequent re-connections will\n"
+"                       only only require the SSH login.  See the discussion\n"
+"                       under -display WAIT:... for more details about XDM,\n"
+"                       etc configuration.\n"
 "\n"
 "-redirect port         As in FINDCREATEDISPLAY-Xvnc.redirect mode except\n"
 "                       redirect immediately (i.e. without X session finding\n"
@@ -948,14 +968,19 @@ void print_help(int mode) {
 "                       actually start up an X server.\n"
 "\n"
 "                       By default FINDCREATEDISPLAY will try Xdummy and then\n"
-"                       Xvfb.  The Xdummy wrapper is part of the x11vnc source\n"
-"                       code (x11vnc/misc/Xdummy)  It should be available in\n"
-"                       PATH and have run \"Xdummy -install\" once to create\n"
-"                       the shared library.  Xdummy requires root permission and\n"
-"                       only works on Linux.  (Note: specify FD_XDUMMY_NOROOT=1\n"
-"                       to skip a check for the root id; evidently your sudo(1)\n"
-"                       will take care of everything).  Xvfb is available on\n"
-"                       most platforms and does not require root.\n"
+"                       Xvfb:\n"
+"\n"
+"                       The Xdummy wrapper is part of the x11vnc source code\n"
+"                       (x11vnc/misc/Xdummy)  It should be available in PATH and\n"
+"                       have run \"Xdummy -install\" once to create the shared\n"
+"                       library.  Xdummy requires root permission and only works\n"
+"                       on Linux.  (Note: specify FD_XDUMMY_NOROOT=1 to skip\n"
+"                       a check for the root id; evidently your sudo(1) will\n"
+"                       take care of everything.  The -xdummy and -svc_xdummy\n"
+"                       options imply FD_XDUMMY_NOROOT=1).\n"
+"\n"
+"                       Xvfb is available on most platforms and does not\n"
+"                       require root.\n"
 "\n"
 "                       When x11vnc exits (i.e. user disconnects) the X\n"
 "                       server session stays running in the background.\n"
@@ -1027,8 +1052,9 @@ void print_help(int mode) {
 "                        for kdm in kdmrc:      Enable=true in section [Xdmcp]\n"
 "                        for xdm in xdm-config: DisplayManager.requestPort: 177\n"
 "\n"
-"                       See the shorthand options above \"-svc\" and \"-xdmsvc\"\n"
-"                       that specify the above options for some useful cases.\n"
+"                       See the shorthand options above \"-svc\", \"-xdmsvc\"\n"
+"                       and \"-sshxdmsvc\" that specify the above options for\n"
+"                       some useful cases.\n"
 "\n"
 "                       If you set the env. var WAITBG=1 x11vnc will go into\n"
 "                       the background once listening in wait mode.\n"
diff --git a/x11vnc/ssltools.h b/x11vnc/ssltools.h
index 013b7a2..caeb7ad 100644
--- a/x11vnc/ssltools.h
+++ b/x11vnc/ssltools.h
@@ -710,6 +710,9 @@ char find_display[] =
 "PATH=$PATH:/bin:/usr/bin:/usr/X11R6/bin:/usr/bin/X11:/usr/openwin/bin:/usr/ucb\n"
 "export PATH\n"
 "\n"
+"COLUMNS=256\n"
+"export COLUMNS\n"
+"\n"
 "# -n means no xauth, -f prescribes file to use.\n"
 "showxauth=1\n"
 "if [ \"X$1\" = \"X-n\" ]; then\n"
@@ -833,6 +836,10 @@ char find_display[] =
 "			fi\n"
 "		fi\n"
 "	done\n"
+"	echo \"\"		# failure\n"
+"	if [ \"X$showxauth\" != \"X\" ]; then\n"
+"		echo \"\"\n"
+"	fi\n"
 "	exit 1\n"
 "fi\n"
 "\n"
@@ -995,7 +1002,12 @@ char find_display[] =
 "	exit\n"
 "fi\n"
 "if [ \"X$display\" = \"X\" ]; then\n"
-"	echo \"\"		# failure\n"
+"	if [ \"X$FINDDISPLAY_run\" = \"X\" ]; then\n"
+"		echo \"\"		# failure\n"
+"		if [ \"X$showxauth\" != \"X\" ]; then\n"
+"			echo \"\"\n"
+"		fi\n"
+"	fi\n"
 "	exit 1\n"
 "fi\n"
 "\n"
@@ -1046,6 +1058,9 @@ char create_display[] =
 "	set -xv\n"
 "fi\n"
 "\n"
+"COLUMNS=256\n"
+"export COLUMNS\n"
+"\n"
 "findfree() {\n"
 "	try=20\n"
 "	n=\"\"\n"
@@ -1339,18 +1354,28 @@ char create_display[] =
 "	fi\n"
 "\n"
 "	result=0\n"
-"	ns=4\n"
+"	#ns=4\n"
+"	ns=0\n"
+"	ns2=1\n"
+"	#if uname | grep SunOS > /dev/null; then\n"
+"	#	ns=2\n"
+"	#fi\n"
+"\n"
 "	if [ \"X$use_xdmcp_query\" = \"X1\" ]; then\n"
 "		# we cannot use -nolisten tcp\n"
 "		echo \"$* -once -query localhost $FD_OPTS\" 1>&2\n"
 "		if [ \"X$have_root\" != \"X\" ]; then\n"
 "			$have_nohup $* -once -query localhost $FD_OPTS 1>&2 &\n"
 "		else\n"
-"			$have_nohup sh -c \"(sleep $ns; $* -once -query localhost -auth $authfile $FD_OPTS)\" 1>&2 &\n"
-"			ns=0\n"
-"			result=1\n"
+"			if [ \"X$ns\" = \"X0\" ]; then\n"
+"				$have_nohup sh -c \"$* -once -query localhost -auth $authfile $FD_OPTS\" 1>&2 &\n"
+"			else\n"
+"				$have_nohup sh -c \"(sleep $ns; $* -once -query localhost -auth $authfile $FD_OPTS)\" 1>&2 &\n"
+"				#result=1\n"
+"			fi\n"
 "		fi\n"
 "		pid=$!\n"
+"		sleep 10\n"
 "	elif [ \"X$have_startx\" != \"X\" -o \"X$have_xinit\" != \"X\" ]; then\n"
 "		if [ \"X$have_startx\" != \"X\" ]; then\n"
 "			sxcmd=$have_startx\n"
@@ -1361,43 +1386,94 @@ char create_display[] =
 "		if [ \"X$have_root\" != \"X\" ]; then\n"
 "			$sxcmd $sess -- $* -nolisten tcp -auth $authfile $FD_OPTS 1>&2 &\n"
 "		else\n"
-"			$have_nohup sh -c \"(sleep $ns; $sxcmd $sess -- $* -nolisten tcp -auth $authfile $FD_OPTS)\" 1>&2 &\n"
-"			ns=0\n"
-"			result=1\n"
+"			if [ \"X$ns\" = \"X0\" ]; then\n"
+"				$have_nohup sh -c \"$sxcmd $sess -- $* -nolisten tcp -auth $authfile $FD_OPTS\" 1>&2 &\n"
+"			else\n"
+"				# Why did we ever sleep before starting the server??\n"
+"				$have_nohup sh -c \"(sleep $ns; $sxcmd $sess -- $* -nolisten tcp -auth $authfile $FD_OPTS)\" 1>&2 &\n"
+"				#result=1\n"
+"			fi\n"
 "		fi\n"
 "		pid=$!\n"
 "	else\n"
+"		# need to emulate startx/xinit ourselves...\n"
 "		echo \"$* -nolisten tcp -auth $authfile $FD_OPTS\" 1>&2\n"
 "		if [ \"X$have_root\" != \"X\" ]; then\n"
 "			$have_nohup $* -nolisten tcp -auth $authfile $FD_OPTS 1>&2 &\n"
 "			pid=$!\n"
-"			sleep 2\n"
+"			sleep 3\n"
 "			$have_nohup $sess 1>&2 &\n"
 "		else\n"
-"			$have_nohup sh -c \"(sleep $ns; $* -nolisten tcp -auth $authfile $FD_OPTS)\" 1>&2 &\n"
+"			if [ \"X$ns\" = \"X0\" ]; then\n"
+"				$have_nohup sh -c \"$* -nolisten tcp -auth $authfile $FD_OPTS\" 1>&2 &\n"
+"			else\n"
+"				$have_nohup sh -c \"(sleep $ns; $* -nolisten tcp -auth $authfile $FD_OPTS)\" 1>&2 &\n"
+"				#result=1\n"
+"			fi\n"
 "			pid=$!\n"
-"			sleep 2\n"
-"			$have_nohup sh -c \"(sleep $ns; $sess)\" 1>&2 &\n"
-"			ns=0\n"
-"			result=1\n"
+"			sleep 3\n"
+"			$have_nohup sh -c \"(sleep 3; $sess)\" 1>&2 &\n"
 "		fi\n"
 "	fi\n"
-"	sleep $ns\n"
-"	if [ \"X$result\" = \"X1\" ]; then\n"
-"		:\n"
-"	elif [ -d /proc/$pid ]; then\n"
-"		result=1\n"
-"	elif kill -0 $pid; then\n"
-"		result=1\n"
-"	else\n"
-"		result=0\n"
-"	fi\n"
 "	if uname | grep SunOS > /dev/null; then\n"
 "		$have_nohup sh -c \"(sleep 60; rm -f $rmf)\" 1>&2 &\n"
 "	else\n"
 "		$have_nohup sh -c \"(sleep 60; rm -f $rmf $authfile)\" 1>&2 &\n"
 "	fi\n"
 "\n"
+"	t=0\n"
+"	tmax=5\n"
+"	while [ $t -lt $tmax ]\n"
+"	do\n"
+"		t=`expr $t + 1`\n"
+"		sleep $ns2\n"
+"		pid2=`head -n 1 \"/tmp/.X$N-lock\" 2>/dev/null | sed -e 's/[ 	]//g' | grep '^[0-9][0-9]*$'`\n"
+"		if [ \"X$pid2\" = \"X\" ]; then\n"
+"			pid2=9999999\n"
+"		fi\n"
+"		if [ \"X$result\" = \"X1\" ]; then\n"
+"			break\n"
+"		elif [ -d /proc/$pid2 ]; then\n"
+"			result=1\n"
+"			break\n"
+"		elif kill -0 $pid2 2>/dev/null; then\n"
+"			result=1\n"
+"			break\n"
+"		elif [ -d /proc/$pid ]; then\n"
+"			result=1\n"
+"			break\n"
+"		elif kill -0 $pid 2>/dev/null; then\n"
+"			result=1\n"
+"			break\n"
+"		else\n"
+"			result=0\n"
+"		fi\n"
+"		if [ \"X$have_netstat\" != \"X\" ]; then\n"
+"			if $have_netstat -an | grep \"/tmp/.X11-unix/X$N\\$\" > /dev/null; then\n"
+"				result=1\n"
+"			fi\n"
+"		fi\n"
+"	done\n"
+"\n"
+"#	if [ \"X$result\" = \"X1\" ]; then\n"
+"#		if [ \"X$use_xdmcp_query\" = \"X0\" -a \"X$have_xdpyinfo\" != \"X\" ]; then\n"
+"#			ok=0\n"
+"#			for t in 1 2 3 4\n"
+"#			do\n"
+"#				$have_xdpyinfo >/dev/null 2>&1\n"
+"#				if [ $? != 0 ]; then\n"
+"#					sleep 1\n"
+"#				else\n"
+"#					ok=1\n"
+"#					break;\n"
+"#				fi\n"
+"#			done\n"
+"#			if [ \"X$ok\" = \"X0\" ]; then\n"
+"#				result=0\n"
+"#			fi\n"
+"#		fi\n"
+"#	fi\n"
+"\n"
 "	if [ \"X$redir_daemon\" != \"X\" -a \"X$result\" = \"X1\" ]; then\n"
 "		redir_daemon=`echo \"$redir_daemon\" | sed -e 's|[^A-z0-9:,/]||g'`\n"
 "		xprog=$X11VNC_PROG\n"
@@ -1671,7 +1747,7 @@ char create_display[] =
 "	p_ok=1\n"
 "fi\n"
 "\n"
-"for prog in startx xinit xdm gdm kdm xterm Xdummy Xvfb Xvnc xauth mcookie md5sum xmodmap startkde gnome-session blackbox fvwm2 mwm openbox twm windowmaker wmaker enlightenment metacity X Xorg XFree86 Xsun Xsession dtwm netstat nohup esddsp konsole gnome-terminal\n"
+"for prog in startx xinit xdm gdm kdm xterm Xdummy Xvfb Xvnc xauth xdpyinfo mcookie md5sum xmodmap startkde gnome-session blackbox fvwm2 mwm openbox twm windowmaker wmaker enlightenment metacity X Xorg XFree86 Xsun Xsession dtwm netstat nohup esddsp konsole gnome-terminal perl\n"
 "do\n"
 "	p2=`echo \"$prog\" | sed -e 's/-/_/g'`\n"
 "	eval \"have_$p2=''\"\n"
@@ -1726,15 +1802,15 @@ char create_display[] =
 "	curr_try=`echo \"$curr_try\" | sed -e  's/[+.-]xdmcp//'`\n"
 "	curr_try=`echo \"$curr_try\" | sed -e  's/[+.-]redirect//'`\n"
 "	\n"
-"	if echo \"$curr_try\" | grep -iw \"^Xdummy\" > /dev/null; then\n"
+"	if echo \"$curr_try\"   | grep -i '^Xdummy\\>' > /dev/null; then\n"
 "		try_Xdummy\n"
-"	elif echo \"$curr_try\" | grep -iw \"^Xvfb\" > /dev/null; then\n"
+"	elif echo \"$curr_try\" | grep -i '^Xvfb\\>'   > /dev/null; then\n"
 "		try_Xvfb\n"
-"	elif echo \"$curr_try\" | grep -iw \"^Xvnc\" > /dev/null; then\n"
+"	elif echo \"$curr_try\" | grep -i '^Xvnc\\>'   > /dev/null; then\n"
 "		try_Xvnc\n"
-"	elif echo \"$curr_try\" | grep -iw \"^Xsrv\" > /dev/null; then\n"
+"	elif echo \"$curr_try\" | grep -i '^Xsrv\\>'   > /dev/null; then\n"
 "		try_Xsrv\n"
-"	elif echo \"$curr_try\" | grep -iw \"^X\" > /dev/null; then\n"
+"	elif echo \"$curr_try\" | grep -i '^X\\>'      > /dev/null; then\n"
 "		try_X\n"
 "	fi\n"
 "	if [ \"X$result\" = \"X1\" ]; then\n"
diff --git a/x11vnc/user.c b/x11vnc/user.c
index 297e2f7..444fd17 100644
--- a/x11vnc/user.c
+++ b/x11vnc/user.c
@@ -1412,6 +1412,7 @@ int wait_for_client(int *argc, char** argv, int http) {
 			if (fd >= 0) {
 				write(fd, find_display, strlen(find_display));
 				close(fd);
+				set_env("FINDDISPLAY_run", "1");
 				sprintf(com, "/bin/sh %s -n; rm -f %s", tmp, tmp);
 				system(com);
 			}
diff --git a/x11vnc/util.c b/x11vnc/util.c
index 632b617..5c27330 100644
--- a/x11vnc/util.c
+++ b/x11vnc/util.c
@@ -404,6 +404,67 @@ double rfac(void) {
 	return f;
 }
 
+void check_allinput_rate(void) {
+	static double last_all_input_check = 0.0, last_all_input_start = 0.0;
+	static int set = 0;
+	if (! set) {
+		set = 1;
+		last_all_input_check = dnow();
+	} else {
+		int dt = 4;
+		if (x11vnc_current > last_all_input_check + dt) {
+			int n, nq = 0;
+			while ((n = rfbCheckFds(screen, 0))) {
+				nq += n;
+			}
+			fprintf(stderr, "nqueued: %d\n", nq);
+			if (0 && nq > 25 * dt) {
+				double rate = nq / dt;
+				rfbLog("Client is sending %.1f extra requests per second for the\n", rate);
+				rfbLog("past %d seconds! Switching to -allpinput mode. (queued: %d)\n", dt, nq);
+				all_input = 1;
+			}
+			set = 0;
+		}
+	}
+}
+
+static void do_allinput(long usec) {
+	static double last = 0.0;
+	static int meas = 0;
+	int n, f = 1, cnt = 0;
+	long usec0;
+	double now;
+	if (!screen || !screen->clientHead) {
+		return;
+	}
+	if (usec < 0) {
+		usec = 0;
+	}
+	usec0 = usec;
+	if (last == 0.0) {
+		last = dnow();
+	}
+	while ((n = rfbCheckFds(screen, usec)) > 0) {
+		if (f) {
+			fprintf(stderr, " *");
+			f = 0;
+		}
+		if (cnt++ > 30) {
+			break;
+		}
+		meas += n;
+	}
+	fprintf(stderr, "-%d", cnt);
+	now = dnow();
+	if (now > last + 2.0) {
+		double rate = meas / (now - last);
+		fprintf(stderr, "\n%.2f ", rate);
+		meas = 0;
+		last = dnow();
+	}
+}
+
 /*
  * utility wrapper to call rfbProcessEvents
  * checks that we are not in threaded mode.
@@ -411,6 +472,7 @@ double rfac(void) {
 #define USEC_MAX 999999		/* libvncsever assumes < 1 second */
 void rfbPE(long usec) {
 	int uip0 = unixpw_in_progress;
+	static int check_rate = -1;
 	if (! screen) {
 		return;
 	}
@@ -438,6 +500,22 @@ void rfbPE(long usec) {
 			;	/* this is new unixpw client  */
 		}
  	}
+
+	if (check_rate != 0) {
+		if (check_rate < 0) {
+			if (getenv("CHECK_RATE")) {
+				check_rate = 1;
+			} else {
+				check_rate = 0;
+			}
+		}
+		if (check_rate && !all_input && x11vnc_current < last_client + 45)  {
+			check_allinput_rate();
+		}
+	}
+	if (all_input) {
+		do_allinput(usec);
+	}
 }
 
 void rfbCFD(long usec) {
@@ -459,19 +537,15 @@ void rfbCFD(long usec) {
 		    (int) usec, tm - x11vnc_start);
 	}
 
+#if 0
+fprintf(stderr, "handleEventsEagerly: %d\n", screen->handleEventsEagerly);
+#endif
 
 	if (! use_threads) {
-		if (0 && all_input) {
-			static int cnt = 0;
-			int f = 1;
-			while (rfbCheckFds(screen, usec) > 0) {
-				if (f) {
-					cnt++;
-					f = 0;
-				}
-				fprintf(stderr, "-%d", cnt);
-			}
+		if (all_input) {
+			do_allinput(usec);
 		} else {
+			/* XXX how for cmdline? */
 			if (all_input) {
 				screen->handleEventsEagerly = TRUE;
 			} else {
diff --git a/x11vnc/x11vnc.1 b/x11vnc/x11vnc.1
index 4499d19..5ce8b5c 100644
--- a/x11vnc/x11vnc.1
+++ b/x11vnc/x11vnc.1
@@ -2,7 +2,7 @@
 .TH X11VNC "1" "September 2007" "x11vnc " "User Commands"
 .SH NAME
 x11vnc - allow VNC connections to real X11 displays
-         version: 0.9.3, lastmod: 2007-09-10
+         version: 0.9.3, lastmod: 2007-09-26
 .SH SYNOPSIS
 .B x11vnc
 [OPTION]...
@@ -930,11 +930,13 @@ First try to find the user's display using FINDDISPLAY,
 if that doesn't succeed create an X session via the
 FINDCREATEDISPLAY method.  This is an alias for
 "\fB-display\fR \fIWAIT:cmd=FINDCREATEDISPLAY-Xvfb\fR".
+.IP
+SSH NOTE: for both \fB-find\fR and \fB-create\fR you can (should!)
+add the "\fB-localhost\fR" option to force SSH tunnel access.
 .PP
 \fB-xdummy\fR
 .IP
-As in \fB-create,\fR except Xdummy instead of Xvfb.  Implies
-FD_XDUMMY_NOROOT=1.
+As in \fB-create,\fR except Xdummy instead of Xvfb.
 .PP
 \fB-xvnc\fR
 .IP
@@ -946,14 +948,13 @@ As in \fB-create,\fR except Xvnc.redirect instead of Xvfb.
 .PP
 \fB-svc\fR
 .IP
-Terminal services mode. Also "\fB-service\fR". Alias for
-\fB-display\fR WAIT:cmd=FINDCREATEDISPLAY-Xvfb \fB-unixpw\fR
-\fB-users\fR unixpw= \fB-ssl\fR SAVE
+Terminal services mode based on SSL access.  Alias for
+\fB-display\fR WAIT:cmd=FINDCREATEDISPLAY-Xvfb \fB-unixpw\fR \fB-users\fR
+unixpw= \fB-ssl\fR SAVE   Also "\fB-service\fR".
 .PP
 \fB-svc_xdummy\fR
 .IP
-As \fB-svc\fR except Xdummy instead of Xvfb.  Implies
-FD_XDUMMY_NOROOT=1.
+As \fB-svc\fR except Xdummy instead of Xvfb.
 .PP
 \fB-svc_xvnc\fR
 .IP
@@ -961,9 +962,30 @@ As \fB-svc\fR except Xvnc instead of Xvfb.
 .PP
 \fB-xdmsvc\fR
 .IP
-Terminal services mode. Also "\fB-xdm_service\fR". Alias for
-\fB-display\fR WAIT:cmd=FINDCREATEDISPLAY-Xvfb.xdmcp \fB-unixpw\fR
-\fB-users\fR unixpw= \fB-ssl\fR SAVE
+Display manager Terminal services mode based on SSL.
+Alias for \fB-display\fR WAIT:cmd=FINDCREATEDISPLAY-Xvfb.xdmcp
+\fB-unixpw\fR \fB-users\fR unixpw= \fB-ssl\fR SAVE  Also "\fB-xdm_service\fR".
+.IP
+To create a session a user will have to first log in
+to the \fB-unixpw\fR dialog and then log in again to the
+XDM/GDM/KDM prompt.  Subsequent re-connections will
+only require the \fB-unixpw\fR password.  See the discussion
+under \fB-display\fR WAIT:... for more details about XDM,
+etc configuration.
+.PP
+\fB-sshxdmsvc\fR
+.IP
+Display manager Terminal services mode based on SSH.
+Alias for \fB-display\fR WAIT:cmd=FINDCREATEDISPLAY-Xvfb.xdmcp
+\fB-localhost.\fR
+.IP
+The \fB-localhost\fR option constrains connections to come
+in via a SSH tunnel (which will require a login).
+To create a session a user will also have to log into
+the XDM GDM KDM prompt. Subsequent re-connections will
+only only require the SSH login.  See the discussion
+under \fB-display\fR WAIT:... for more details about XDM,
+etc configuration.
 .PP
 \fB-redirect\fR \fIport\fR
 .IP
@@ -1122,15 +1144,21 @@ for the user.  This is the only time x11vnc tries to
 actually start up an X server.
 .IP
 By default FINDCREATEDISPLAY will try Xdummy and then
-Xvfb.  The Xdummy wrapper is part of the x11vnc source
-code (x11vnc/misc/Xdummy)  It should be available in
-PATH and have run "Xdummy \fB-install"\fR once to create
-the shared library.  Xdummy requires root permission and
-only works on Linux.  (Note: specify FD_XDUMMY_NOROOT=1
-to skip a check for the root id; evidently your 
+Xvfb:
+.IP
+The Xdummy wrapper is part of the x11vnc source code
+(x11vnc/misc/Xdummy)  It should be available in PATH and
+have run "Xdummy \fB-install"\fR once to create the shared
+library.  Xdummy requires root permission and only works
+on Linux.  (Note: specify FD_XDUMMY_NOROOT=1 to skip
+a check for the root id; evidently your 
 .IR sudo (1)
-will take care of everything).  Xvfb is available on
-most platforms and does not require root.
+will
+take care of everything.  The \fB-xdummy\fR and \fB-svc_xdummy\fR
+options imply FD_XDUMMY_NOROOT=1).
+.IP
+Xvfb is available on most platforms and does not
+require root.
 .IP
 When x11vnc exits (i.e. user disconnects) the X
 server session stays running in the background.
@@ -1209,8 +1237,9 @@ for gdm in gdm.conf:   Enable=true in section [xdmcp]
 for kdm in kdmrc:      Enable=true in section [Xdmcp]
 for xdm in xdm-config: DisplayManager.requestPort: 177
 .IP
-See the shorthand options above "\fB-svc\fR" and "\fB-xdmsvc\fR"
-that specify the above options for some useful cases.
+See the shorthand options above "\fB-svc\fR", "\fB-xdmsvc\fR"
+and "\fB-sshxdmsvc\fR" that specify the above options for
+some useful cases.
 .IP
 If you set the env. var WAITBG=1 x11vnc will go into
 the background once listening in wait mode.
diff --git a/x11vnc/x11vnc.c b/x11vnc/x11vnc.c
index 7da5122..b31284f 100644
--- a/x11vnc/x11vnc.c
+++ b/x11vnc/x11vnc.c
@@ -1026,6 +1026,8 @@ static void watch_loop(void) {
 		got_keyboard_calls = 0;
 		urgent_update = 0;
 
+		x11vnc_current = dnow();
+
 		if (! use_threads) {
 			dtime0(&tm);
 			if (! skip_pe) {
@@ -2518,6 +2520,10 @@ int main(int argc, char* argv[]) {
 			users_list = strdup("unixpw=");
 			use_openssl = 1;
 			openssl_pem = strdup("SAVE");
+		} else if (!strcmp(arg, "-sshxdmsvc")) {
+			use_dpy = strdup("WAIT:cmd=FINDCREATEDISPLAY-Xvfb.xdmcp");
+			allow_list = strdup("127.0.0.1");
+			got_localhost = 1;
 #ifndef NO_SSL_OR_UNIXPW
 		} else if (!strcmp(arg, "-unixpw_cmd")
 		    || !strcmp(arg, "-unixpw_cmd_unsafe")) {
@@ -3880,7 +3886,7 @@ int main(int argc, char* argv[]) {
 	/* open the X display: */
 	if (auth_file) {
 		set_env("XAUTHORITY", auth_file);
-fprintf(stderr, "XA: %s\n", getenv("XAUTHORITY"));
+if (0) fprintf(stderr, "XA: %s\n", getenv("XAUTHORITY"));
 	}
 #if LIBVNCSERVER_HAVE_XKEYBOARD
 	/*
diff --git a/x11vnc/x11vnc.h b/x11vnc/x11vnc.h
index f4b804d..03044a0 100644
--- a/x11vnc/x11vnc.h
+++ b/x11vnc/x11vnc.h
@@ -468,6 +468,7 @@ extern double last_copyrect_fix;
 extern double last_wireframe;
 extern double servertime_diff;
 extern double x11vnc_start;
+extern double x11vnc_current;
 extern double g_now;
 
 extern double last_get_wm_frame_time;
diff --git a/x11vnc/x11vnc_defs.c b/x11vnc/x11vnc_defs.c
index a770614..c8966e7 100644
--- a/x11vnc/x11vnc_defs.c
+++ b/x11vnc/x11vnc_defs.c
@@ -15,7 +15,7 @@ int xtrap_base_event_type = 0;
 int xdamage_base_event_type = 0;
 
 /*               date +'lastmod: %Y-%m-%d' */
-char lastmod[] = "0.9.3 lastmod: 2007-09-10";
+char lastmod[] = "0.9.3 lastmod: 2007-09-26";
 
 /* X display info */
 
@@ -131,6 +131,7 @@ double last_copyrect_fix = 0.0;
 double last_wireframe = 0.0;
 double servertime_diff = 0.0;
 double x11vnc_start = 0.0;
+double x11vnc_current = 0.0;
 double g_now = 0.0;
 
 double last_get_wm_frame_time = 0.0;