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260 lines
6.6 KiB
260 lines
6.6 KiB
#!/bin/sh
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#
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# Copyright (c) 2006-2008 by Karl J. Runge <runge@karlrunge.com>
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#
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# ssvnc_cmd:
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#
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# A wrapper that calls ss_vncviewer to use the enhanced TightVNC viewer.
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#
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# The enhanced TightVNC viewer features are:
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#
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# - SSL support for connections using the co-bundled stunnel program.
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# - rfbNewFBSize VNC support (screen resizing)
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# - cursor alphablending with x11vnc at 32bpp
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# - xgrabserver support for fullscreen mode (for old window mgrs)
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#
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#
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# Your platform (e.g. Linux.i686) is autodetected and enhanced
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# vncviewer and stunnel binaries for it are used (see the ./bin directory).
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#
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# See the build.unix script if your platform is not in this package.
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# You can also set the env. var. UNAME=os.arch to any "os.arch" you want
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# to override the autodetetion.
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#
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# Usage:
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#
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# ssvnc_cmd [ss_vncviewer-args] hostname:N [vncviewer-args]
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#
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# if, instead, this script is named "tightvncviewer" it calls the
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# vncviewer directly and must be invoked as:
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#
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# tightvncviewer [vncviewer-args] hostname:N
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#
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# In both cases, "hostname:N" is the host and VNC display to connect to,
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# e.g. snoopy:0
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#
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# See the script util/ss_vncviewer for details about its arguments:
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#
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# -verify pemfile
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# -mycert pemfile
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# -proxy phost:pport
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# -alpha
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# -grab
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#
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# N.B. if this script is named "tightvncviewer" the vncviewer is called
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# directly, and there won't be any SSL or SSH encryption tunnels.
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#
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# If the *very first* argument is "-cotvnc" then it is assumed you are on
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# Darwin and want to run the Chicken of the VNC viewer via our wrapper.
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#
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#
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# See the TightVNC viewer documentation for on its cmdline arguments.
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#
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# For convenience, here is the current (7/2006) TightVNC viewer -help output:
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#
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# TightVNC viewer version 1.3dev5
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#
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# Usage: vncviewer [<OPTIONS>] [<HOST>][:<DISPLAY#>]
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# vncviewer [<OPTIONS>] [<HOST>][::<PORT#>]
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# vncviewer [<OPTIONS>] -listen [<DISPLAY#>]
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# vncviewer -help
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#
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# <OPTIONS> are standard Xt options, or:
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# -via <GATEWAY>
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# -shared (set by default)
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# -noshared
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# -viewonly
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# -fullscreen
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# -noraiseonbeep
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# -passwd <PASSWD-FILENAME> (standard VNC authentication)
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# -user <USERNAME> (Unix login authentication)
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# -encodings <ENCODING-LIST> (e.g. "tight copyrect")
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# -bgr233
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# -owncmap
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# -truecolour
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# -depth <DEPTH>
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# -compresslevel <COMPRESS-VALUE> (0..9: 0-fast, 9-best)
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# -quality <JPEG-QUALITY-VALUE> (0..9: 0-low, 9-high)
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# -nojpeg
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# -nocursorshape
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# -x11cursor
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# -autopass
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#
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# Option names may be abbreviated, e.g. -bgr instead of -bgr233.
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# See the manual page for more information.
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#
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# Note: the enhanced tightvnc viewer (SSVNC) has many more options, run
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# this script as "ssvnc_cmd Vnc://a:0 -help" or "tightvncviewer -help"
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# to seem them.
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if [ "X$1" = "X-h" -o "X$1" = "X-helpxxx" -o "X$1" = "X--help" ]; then
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tail -n +2 "$0" | sed -e '/^$/ q' -e 's/^#//'
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exit
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fi
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# Include /usr/bin... to be sure to get regular utilities:
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#
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PATH=$PATH:/usr/bin:/bin
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export PATH
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if [ "X$FULLNAME" = "XKarl J. Runge" ]; then
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VNCVIEWER_POPUP_FIX=1
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export VNCVIEWER_POPUP_FIX
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PATH=`echo "$PATH" | sed -e 's,runge/bin/override,-------------,'`
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fi
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# Set this for ss_vncviewer to pick up:
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#
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if [ "X$1" = "X-cotvnc" ]; then
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shift
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DARWIN_COTVNC=1
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export DARWIN_COTVNC
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elif [ "X$DARWIN_COTVNC" = "X" -a "X$DISPLAY" = "X" ]; then
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uname=`uname`
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if [ "X$uname" = "XDarwin" ]; then
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DARWIN_COTVNC=1
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export DARWIN_COTVNC
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fi
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fi
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use_ours=0
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if [ "X$VNCVIEWERCMD" = "X" ]; then
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VNCVIEWERCMD="vncviewer"
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export VNCVIEWERCMD
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if [ "X$DARWIN_COTVNC" != "X1" ]; then
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use_ours=1
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fi
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fi
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# work out os.arch platform string and check for binaries:
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#
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name=$UNAME
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if [ "X$name" = "X" ]; then
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name=`uname -sm | sed -e 's/ /./g' -e 's,/.*,,' -e 's/Linux\.i.86/Linux.i686/'`
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fi
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dL="-L"
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if uname -sr | egrep 'SunOS 5\.[5-8]' > /dev/null; then
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dL="-h"
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fi
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f="$0"
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for t in 1 2 3 4 5 6
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do
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if [ $dL "$f" ]; then
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f0="$f"
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f=`ls -l "$f" | sed -e 's/^.* -> //'`
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if echo "$f" | grep '^/' > /dev/null; then
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:
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else
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f="`dirname "$f0"`/$f"
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fi
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else
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break
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fi
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done
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dir=`dirname "$f"`
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PATH="$dir:$PATH"
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SSVNC_BASEDIR="$dir"
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export SSVNC_BASEDIR
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SSVNC_UNAME="$name"
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export SSVNC_UNAME
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nearby=0
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if [ -x "$dir/vncviewer" -a -x "$dir/stunnel" ]; then
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nearby=1
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fi
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if [ "X$name" = "X." ]; then
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:
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#type vncviewer
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#type stunnel
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elif [ ! -d "$dir/$name" -a $nearby = 0 ]; then
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echo
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echo "Cannot find platform dir for your OS `uname -sm`:"
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echo
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echo " $dir/$name"
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echo
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PATH=$PATH:/usr/sbin:/usr/local/sbin:/dist/sbin
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quit=0
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if type vncviewer >/dev/null 2>/dev/null; then
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:
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else
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echo "vncviewer not found in PATH."
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quit=1
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fi
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if type stunnel >/dev/null 2>/dev/null; then
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:
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else
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echo "stunnel not found in PATH."
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quit=1
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fi
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echo
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if [ "X$quit" = "X1" ]; then
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echo "You can set the \$UNAME env. var. to override the OS setting."
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echo "Or, if available, run the ./build.unix script to build it."
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echo "Or install external \"vncviewer\" and \"stunnel\" packages."
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exit 1
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fi
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echo "Using externel \"vncviewer\" and \"stunnel\" found in PATH."
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else
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STUNNEL=stunnel
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STUNNEL_EXTRA_OPTS=${STUNNEL_EXTRA_OPTS:-"maxconn = 1"}
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export STUNNEL STUNNEL_EXTRA_OPTS
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SSVNC_VIEWER_INTERNAL=1
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export SSVNC_VIEWER_INTERNAL
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fi
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if [ "X$DARWIN_COTVNC" != "X1" -a "X$VNCVIEWERCMD" = "Xvncviewer" ]; then
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hstr=`$VNCVIEWERCMD -h 2>&1 | head -5`
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if echo "$hstr" | grep '^TightVNC.*version 1\.[23]' > /dev/null; then
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# we need to avoid raw encoding
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use_ours=1
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fi
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fi
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# Put our os.arch and other utils dirs at head of PATH to be sure to
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# pick them up:
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#
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PATH="$dir:$dir/$name:$dir/util:$PATH"
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if echo "$dir" | grep '^/' > /dev/null; then
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:
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else
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dir=`pwd`/$dir
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PATH="$dir:$dir/$name:$dir/util:$PATH"
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fi
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if [ -f "$dir/util/ultraftp.jar" ]; then
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SSVNC_ULTRA_FTP_JAR="$dir/util/ultraftp.jar"
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export SSVNC_ULTRA_FTP_JAR
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fi
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base=`basename "$0"`
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if [ "X$1" = "X-ssl" ]; then
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shift
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base="ssvnc_cmd"
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fi
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# If ours (and not cotvnc), force the use of tight encoding for localhost
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# redir connection:
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#
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#
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if [ $use_ours = 1 ]; then
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# avoid system vncviewer app-defaults
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#XFILESEARCHPATH="/tmp/path/nowhere"; export XFILESEARCHPATH
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if [ "X$base" = "Xtightvncviewer" ]; then
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$VNCVIEWERCMD -encodings 'copyrect tight zrle zlib hextile' "$@"
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else
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ss_vncviewer "$@" -encodings 'copyrect tight zrle zlib hextile'
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fi
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else
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if [ "X$base" = "Xtightvncviewer" ]; then
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$VNCVIEWERCMD "$@"
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else
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ss_vncviewer "$@"
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fi
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fi
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