#!/bin/sh
#
# Copyright (c) 2006 by Karl J. Runge <runge@karlrunge.com>
#
# sslvnc:
#
#    A wrapper for ssvnc_cmd using a tcl/tk gui.
#
# See ssvnc_cmd for details.
#
if [ "X$XTERM_PRINT" != "X" ]; then
	XTERM_PRINT=""
	cat > /dev/null
fi
if [ "X$1" = "X-bg" ]; then
	shift
	$0 "$@" &
	exit 0
fi

PATH=$PATH:/usr/bin:/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin:/usr/sfw/bin:/usr/local/bin
export PATH

if [ "X$WISH" = "X" ]; then
	WISH=wish
	for try in wish wish8.3 wish8.4 wish8.5
	do
		if type $try > /dev/null; then
			WISH=$try
			break
		fi
	done
fi


SSVNC_GUI_CMD="$0 $*"
export SSVNC_GUI_CMD
SSVNC_LAUNCH=$SSVNC_GUI_CMD
export SSVNC_LAUNCH

# 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"`
PATH="$dir:$PATH"

nearby=0
if [ -x "$dir/vncviewer" -a -x "$dir/stunnel" ]; then
	nearby=1
fi
if [ ! -d "$dir/$name" -a $nearby = 0 ]; then
	echo
	echo "Cannot find platform dir for your OS `uname -sm`:"
	echo
	echo "    $dir/$name" 
	echo
	PATH=$PATH:/usr/sbin:/usr/local/sbin:/dist/sbin

	quit=0
	if type vncviewer >/dev/null 2>/dev/null; then
		:
	else
		echo "vncviewer not found in PATH." 
		quit=1
	fi
	if type stunnel >/dev/null 2>/dev/null; then
		:
	else
		echo "stunnel not found in PATH."
		quit=1
	fi
	echo
	if [ "X$quit" = "X1" ]; then
		echo "You can set the \$UNAME env. var. to override the OS setting."
		echo "Or, if available, run the ./build.unix script to build it."
		echo "Or install external \"vncviewer\" and \"stunnel\" packages."
		exit 1
	fi
	echo "Using externel \"vncviewer\" and \"stunnel\" found in PATH."
else
	STUNNEL_EXTRA_OPTS=${STUNNEL_EXTRA_OPTS:-"maxconn = 1"}
	export STUNNEL_EXTRA_OPTS
	SSVNC_VIEWER_INTERNAL=1
	export SSVNC_VIEWER_INTERNAL
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

SSVNC_BASEDIR="$dir"
export SSVNC_BASEDIR

if [ "X$WISH" = "Xwish" ]; then
	exec ssvnc.tcl "$@"
else
	exec $WISH $dir/util/ssvnc.tcl "$@"
fi