File stunnel.rc of Package stunnel.18528

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File stunnel.rc of Package stunnel.18528

#! /bin/sh
# Copyright (c) 1996, 1997, 1998 S.u.S.E. GmbH
# Copyright (c) 1998, 1999, 2000, 2001 SuSE GmbH
# Copyright (c) 2002 SuSE Linux AG
#
# License: same as stunnel
#
# Author: Peter Poeml <poeml@suse.de>, 2002
#
# /etc/init.d/stunnel
#   and its symbolic link
# /usr/sbin/rcstunnel
#
### BEGIN INIT INFO
# Provides:			stunnel
# Required-Start:		$local_fs $remote_fs $network 
# Should-Start:			$named $syslog $time 
# Required-Stop:		$local_fs $remote_fs $network
# Should-Stop:			$named $syslog $time
# Default-Start:		3 5
# Default-Stop:			0 1 2 6
# Short-Description:		stunnel (universal SSL tunnel)
# Description:			Start the universal SSL tunnel "stunnel"
### END INIT INFO

DAEMON="stunnel (SSL tunnel)"
DAEMON_BIN=/usr/sbin/stunnel
: ${STUNNEL_CONF:=/etc/stunnel/stunnel.conf}
STARTPROC_LOGFILE=/var/log/rc.stunnel.log
SUPPORTS_HUP=false

test -x $DAEMON_BIN || exit 5

#
# read the configuration
#
STUNNEL_RUN_CHROOTED=false
DAEMON_PIDFILE=/var/run/stunnel.pid
EXECUTABLES=
CHROOT_PREFIX=
while read -a line; do 
	case ${line} in 
	chroot)	CHROOT_PREFIX=${line[2]}; STUNNEL_RUN_CHROOTED=true;;
	pid) 	DAEMON_PIDFILE=${line[2]};;
	exec) 	EXECUTABLES="$EXECUTABLES ${line[2]}";;
	esac; 
done < $STUNNEL_CONF
DAEMON_PIDFILE="$CHROOT_PREFIX$DAEMON_PIDFILE"

# Shell functions sourced from /etc/rc.status:
#      rc_check         check and set local and overall rc status
#      rc_status        check and set local and overall rc status
#      rc_status -v     ditto but be verbose in local rc status
#      rc_status -v -r  ditto and clear the local rc status
#      rc_failed        set local and overall rc status to failed
#      rc_failed <num>  set local and overall rc status to <num><num>
#      rc_reset         clear local rc status (overall remains)
#      rc_exit          exit appropriate to overall rc status
. /etc/rc.status

# First reset status of this service
rc_reset

# Return values acc. to LSB for all commands but status:
# 0 - success
# 1 - generic or unspecified error
# 2 - invalid or excess argument(s)
# 3 - unimplemented feature (e.g. "reload")
# 4 - insufficient privilege
# 5 - program is not installed
# 6 - program is not configured
# 7 - program is not running
# 
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signalling is not supported) are
# considered a success.

# this seems to want to delete the pid file if it is empty
test -e $DAEMON_PIDFILE && ! test -s $DAEMON_PIDFILE && rm $DAEMON_PIDFILE

case "$1" in
    start)
	echo -n "Starting $DAEMON "

## If there is no conf file, skip starting of stunnel
        ## and return with "program not configured"
	if ! [ -f $STUNNEL_CONF ]; then
		echo -e -n "... no configuration file found";
		# Tell the user this has skipped
		rc_status -s
		# service is not configured
		exit 6;
	fi

##
	## set up chroot directory
	##
	if $STUNNEL_RUN_CHROOTED; then 
		# /etc
		for i in $STUNNEL_CONF /etc/{resolv.conf,host.conf,hosts,localtime,hosts.{allow,deny}}; do
			cp -p $i $CHROOT_PREFIX/etc/ &>/dev/null \
				|| { echo "...$0:$LINENO: could not copy $i to chroot jail"; rc_failed; rc_status -v1; exit 6; }
		done
		# executables
		for i in $EXECUTABLES; do 
			mkdir -p `dirname $CHROOT_PREFIX/$i`
			cp -p $i $CHROOT_PREFIX/$i \
				|| { echo "...$0:$LINENO: could not copy $i to chroot jail"; rc_failed; rc_status -v1; exit 6; }
		done
		# libs
		libdir=/$(basename $(echo /var/lib/stunnel/lib*))
		for i in $EXECUTABLES; do 
			unset libs
			ldd $i | grep '=> /' | while read -a line; do
				cp -p ${line[2]} $CHROOT_PREFIX/$libdir \
					|| { echo "...$0:$LINENO: could not copy $i to chroot jail"; rc_failed; rc_status -v1; exit 6; }
			done
		done
	fi

rm -f $STARTPROC_LOGFILE # start log
	error=0
	## Start daemon with startproc(8). If this fails
	## the echo return value is set appropriate.
	# startproc should return 0, even if service is 
	# already running to match LSB spec.

test "$2" = "-v" && echo -en \
		"\nrunnning '$DAEMON_BIN '"
	startproc -l $STARTPROC_LOGFILE $DAEMON_BIN ${STUNNEL_CONF}			|| error=1 
	
	if [ $error -eq 1 ]; then 
		echo -e -n "  please see $STARTPROC_LOGFILE for details ";
		## set status to failed
		rc_failed
	else
		$STUNNEL_RUN_CHROOTED && echo -n "[chroot]" || :
	fi

# Remember status and be verbose
	rc_status -v
	;;
    stop)
	echo -n "Shutting down $DAEMON "

## Stop daemon with killproc(8) and if this fails
	## set echo the echo return value.

killproc -p $DAEMON_PIDFILE -TERM $DAEMON_BIN

# Remember status and be verbose
	rc_status -v

# delete pidfile (stunnel cannot do it if it doesn't run as root)
	rm -f $DAEMON_PIDFILE
	;;
    try-restart)
	## Do a restart only if the service was active before.
	## Note: try-restart is now part of LSB (as of 1.9).
	## RH has a similar command named condrestart.
	$0 status
	if test $? = 0; then
		$0 restart
	else
		rc_reset        # Not running is not a failure.
	fi
	# Remember status and be quiet
	rc_status
	;;
    restart)
	## Stop the service and regardless of whether it was
	## running or not, start it again.
	$0 stop
	sleep 3
	$0 start

# Remember status and be quiet
	rc_status
	;;
    force-reload)
	## Signal the daemon to reload its config. Most daemons
	## do this on signal 1 (SIGHUP).
	## If it does not support it, restart.

echo -n "Reload service $DAEMON"

if $SUPPORTS_HUP; then 
		killproc -p $DAEMON_PIDFILE -HUP $DAEMON_BIN
		#touch $DAEMON_PIDFILE
		rc_status -v
	else
		$0 stop  &&  sleep 3  &&  $0 start
		rc_status 
	fi
	;;
    reload)
	## Like force-reload, but if daemon does not support
	## signalling, do nothing (!)

if $SUPPORTS_HUP; then
		# If it supports signalling:
		echo -n "Reload service $DAEMON"
		killproc -p $DAEMON_PIDFILE -HUP $DAEMON_BIN
		#touch $DAEMON_PIDFILE
		rc_status -v
	else
		## Otherwise if it does not support reload:
		rc_failed 3
		rc_status -v
	fi
	;;
    status)
	echo -n "Checking for $DAEMON: "
	## Check status with checkproc(8), if process is running
	## checkproc will return with exit status 0.

# Status has a slightly different for the status command:
	# 0 - service running
	# 1 - service dead, but /var/run/  pid  file exists
	# 2 - service dead, but /var/lock/ lock file exists
	# 3 - service not running

# NOTE: checkproc returns LSB compliant status values.
	checkproc -p $DAEMON_PIDFILE $DAEMON_BIN
	rc_status -v
	;;
    probe)
	## Optional: Probe for the necessity of a reload,
	## give out the argument which is required for a reload.

rc=0
	for i in $STUNNEL_CONF; do
		test $i -nt $DAEMON_PIDFILE && rc=1
	done
	test $rc = 1 && echo restart
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe} [-v]"
	exit 1
esac
rc_exit

# vim: syntax=sh ai

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