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#!/bin/sh
#
# Copyright (c) 2006 by Karl J. Runge <runge@karlrunge.com>
#
# tightvncviewer:
#
# A wrapper that calls the enhanced TightVNC viewer.
#
# The enhanced TightVNC viewer features are:
#
# - SSL support for connections using the co-bundled stunnel program.
# - rfbNewFBSize VNC support (screen resizing)
# - cursor alphablending with x11vnc at 32bpp
# - xgrabserver support for fullscreen mode (for old window mgrs)
#
#
# Your platform (e.g. Linux.i686) is autodetected and enhanced
# vncviewer and stunnel binaries for it are used (see the ./bin directory).
#
# See the build.unix script if your platform is not in this package if
# you want to build one.
#
# See the build.unix script if your platform is not in this package if you want to build one.
# You can also set the env. var. UNAME=os.arch to any "os.arch" you want
# to override the autodetetion.
#
# Usage:
#
# tightvncviewer [tightvncviewer-args] hostname:N
# or
# tightvncviewer -ssl hostname:N [tightvncviewer-args]
#
# "hostname:N" is the host and VNC display to connect to, e.g. snoopy:0
#
# If the *very first* argument is "-cotvnc" then it is assumed you are on
# Darwin and want to run the Chicken of the VNC viewer via our wrapper.
#
# If the next argument is "-ssl" then ssl_tightvncviewer is called
# instead. See that script for details.
#
# See the TightVNC viewer documentation for on its cmdline arguments.
#
# For convenience, here is the current (7/2006) TightVNC viewer -help output:
#
# TightVNC viewer version 1.3dev5
#
# Usage: vncviewer [<OPTIONS>] [<HOST>][:<DISPLAY#>]
# vncviewer [<OPTIONS>] [<HOST>][::<PORT#>]
# vncviewer [<OPTIONS>] -listen [<DISPLAY#>]
# vncviewer -help
#
# <OPTIONS> are standard Xt options, or:
# -via <GATEWAY>
# -shared (set by default)
# -noshared
# -viewonly
# -fullscreen
# -noraiseonbeep
# -passwd <PASSWD-FILENAME> (standard VNC authentication)
# -user <USERNAME> (Unix login authentication)
# -encodings <ENCODING-LIST> (e.g. "tight copyrect")
# -bgr233
# -owncmap
# -truecolour
# -depth <DEPTH>
# -compresslevel <COMPRESS-VALUE> (0..9: 0-fast, 9-best)
# -quality <JPEG-QUALITY-VALUE> (0..9: 0-low, 9-high)
# -nojpeg
# -nocursorshape
# -x11cursor
# -autopass
#
# Option names may be abbreviated, e.g. -bgr instead of -bgr233.
# See the manual page for more information.
#
if [ "X$1" = "X-h" -o "X$1" = "X-help" -o "X$1" = "X--help" ]; then
head -76 "$0" | grep -v bin/sh
exit
fi
# Include /usr/bin... to be sure to get regular utilities:
#
PATH=$PATH:/usr/bin:/bin
export PATH
# Set this for ssl_vncviewer to pick up:
#
use_ours=0
if [ "X$1" = "X-cotvnc" ]; then
shift
DARWIN_COTVNC=1
export DARWIN_COTVNC
fi
if [ "X$VNCVIEWERCMD" = "X" ]; then
VNCVIEWERCMD="vncviewer"
export VNCVIEWERCMD
if [ "X$DARWIN_COTVNC" = "X" ]; then
use_ours=1
fi
fi
# work out os.arch platform string and check for binaries:
#
name=$UNAME
if [ "X$name" = "X" ]; then
name=`uname -sm | sed -e 's/ /./g'`
fi
f="$0"
for t in 1 2 3 4 5
do
if [ -L "$f" ]; then
f0="$f"
f=`ls -l "$f" | sed -e 's/^.* -> //'`
if echo "$f" | grep '^/' > /dev/null; then
:
else
f="`dirname "$f0"`/$f"
fi
else
break
fi
done
dir=`dirname "$f"`
if [ ! -d "$dir/$name" ]; then
echo "cannot find platform dir: $dir/$name for your OS:"
uname -sm
echo "you can set the \$UNAME env. var. to override the setting."
exit 1
fi
# Put our os.arch and other utils dirs at head of PATH to be sure to
# pick them up:
#
PATH="$dir:$dir/$name:$dir/util:$PATH"
if echo "$dir" | grep '^/' > /dev/null; then
:
else
dir=`pwd`/$dir
PATH="$dir:$dir/$name:$dir/util:$PATH"
fi
STUNNEL_EXTRA_OPTS=${STUNNEL_EXTRA_OPTS:-"maxconn = 1"}
export STUNNEL_EXTRA_OPTS
if [ "X$1" = "X-ssl" ]; then
shift
ssl_tightvncviewer "$@"
exit $?
fi
# Force the use of tight encoding for localhost redir connection:
#
# If ours (and not doing cotvnc), force the use of tight encoding for
# the connection:
#
if [ $use_ours = 1 ]; then
"$VNCVIEWERCMD" -encodings 'copyrect tight zrle zlib hextile' "$@"
else
"$VNCVIEWERCMD" "$@"
fi
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