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#! /bin/sh
# rcS - Help to boot the system into single user mode
# Copyright (c) 1998 Martin Schulze <joey@debian.org>
# Winfried Trmper <winni@xpilot.org>
# Miquel van Smoorenburg <miquels@cistron.nl>
# 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.
#
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() {
local element list IFS
element="$1"
[ "$2" = "in" ] && shift
list="$2"
[ "$list" = "-" ] && return 1
[ "$list" = "*" ] && return 0
IFS=","
set -- $list
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 "$ON_LEVELS"
then
# append CMD to the list of
case "$CMD" in
*.sh) CMDLIST="$CMDLIST; (set -- start; . $CMD)" ;;
*) [ -x "$CMD" ] && CMDLIST="$CMDLIST; $CMD start" ;;
esac
fi
done < $CFGFILE
# Execute the commands collected above
(trap - INT QUIT TSTP; sh -c "$CMDLIST")
#
# For compatibility, run the files in /etc/rc.boot too.
#
[ -d /etc/rc.boot ] && run-parts /etc/rc.boot
#
# Finish setup if needed.
#
if [ -x /sbin/setup.sh ]
then
/sbin/setup.sh
fi
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