rcS

#! /bin/sh
#
#   rcS - Help to boot the system into single user mode
#   Copyright (c) 1998  Martin Schulze <joey@debian.org>
#                 1998  Winfried Trümper <winni@xpilot.org>
#                 1998  Miquel van Smoorenburg <miquels@cistron.nl>
#            1999-2000  Roland Rosenfeld <roland@spinnaker.de>
#	     	  2010  Alexander Wirt <formorer@formorer.de>
#
#   This program 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 program 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 program; if not, write to the Free Software
#   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#   Ideas taken from rcS as provided by the sysvinit package and from
#   the file-rc /etc/init.d/rc program

PATH=/sbin:/bin:/usr/sbin:/usr/bin
runlevel=S
prevlevel=N
umask 022
export PATH runlevel prevlevel

CFGFILE="/etc/runlevel.conf"
BAKCFG="/etc/runlevel.fallback"

#
#	See if system needs to be setup. This is ONLY meant to
#	be used for the initial setup after a fresh installation!
#
if [ -x /sbin/unconfigured.sh ]
then
  /sbin/unconfigured.sh
fi

#
#	Source defaults.
#
. /etc/default/rcS
export VERBOSE

#
#	Trap CTRL-C &c only in this shell so we can interrupt subprocesses.
#
trap ":" INT QUIT TSTP

element() {
    element="$1"
	
    [ "$2" = "in" ] && shift
    list="$2"
    [ "$list" = "-" ] && return 1
    [ "$list" = "*" ] && return 0

    ORGIFS="$IFS"
    IFS=","
    set -- $list
    IFS="$ORGIFS"
    case $element in
	"$1" | "$2" | "$3" | "$4" | "$5" | "$6" | "$7" | "$8" | "$9")
	    return 0
    esac
    return 1
}

CMDLIST="set centerline=here"

#
# If $CFGFILE isn't available, try the fallback:
#
if [ ! -f "$CFGFILE" ]
then
    echo "Missing configuration file '$CFGFILE' using fallback config."

    if [ -f "$BAKCFG" ]
    then
	CFGFILE="$BAKCFG"
    else
	echo "No configuration file at all. You're in serious trouble now."
	CFGFILE="/dev/null"
    fi
fi

# read the file...
while read  SORT_NO  OFF_LEVELS  ON_LEVELS  CMD  OPTIONS
do
    case "$SORT_NO" in
	\#* | "") continue ;;
    esac
    [ ! -f "$CMD" ] && continue

      # continue only if CMD was not started in previous runlevel
    if element "$runlevel" in "$ON_LEVELS"
    then
			STARTS="$STARTS $SORT_NO:$CMD" 
    fi

done < $CFGFILE

for x in 0 1 2 3 4 5 6 7 8 9
do
	for y in 0 1 2 3 4 5 6 7 8 9
	do
		for entry in $STARTS 
		do
			SORT_NUM=${entry%%:*}
			CMD=${entry#*:}
			if [ $SORT_NUM -eq $x$y ]
			then
        			# append CMD to the list of
        			case "$CMD" in
        				*.sh)  CMDLIST="$CMDLIST; (set -- start; . $CMD)" ;;
        				*)     [ -x "$CMD" ] && CMDLIST="$CMDLIST; $CMD start" ;;
        			esac
			fi
		done
	done
done

# Execute the commands collected above
(trap - INT QUIT TSTP; sh -c "$CMDLIST")

#
#	For compatibility, run the files in /etc/rc.boot too.
#
[ -d /etc/rc.boot ] && run-parts /etc/rc.boot

#
#	Finish setup if needed. The comment above about
#	/sbin/unconfigured.sh applies here as well!
#
if [ -x /sbin/setup.sh ]
then
  /sbin/setup.sh
fi