File greylistd.init of Package greylistd

#! /bin/sh
# Copyright (c) 2004-2009 SUSE Linux Products GmbH, Nuernberg, Germany.
# All rights reserved.
#
# Author: Peter Poeml
# Please send feedback to http://www.suse.de/feedback/
#
# /etc/init.d/greylistd
#   and its symbolic link
# /(usr/)sbin/rcgreylistd
#
#
# LSB compatible service control script; see http://www.linuxbase.org/spec/
# 
# Note: This template uses functions rc_XXX defined in /etc/rc.status on
# UnitedLinux (UL) based Linux distributions. If you want to base your 
# script on this template and ensure that it works on non UL based LSB 
# compliant Linux distributions, you either have to provide the rc.status
# functions from UL or change the script to work without them.
#

# Default-Start:                3 5
# Default-Stop:                 0 1 2 6


### BEGIN INIT INFO
# Provides:          greylistd
# Required-Start:    $local_fs $remote_fs $syslog $network
# Required-Stop:     $local_fs $remote_fs $syslog $network
# Should-Start:      $named $time ypbind
# Should-Stop:       $named $time ypbind
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: greylistd daemon 
# Description:       Start greylistd daemon
### END INIT INFO
# 


: ${GREYLISTD_BIN:=/usr/sbin/greylistd}
: ${GREYLISTD_CONFIG:=/etc/greylistd/config}
: ${GREYLISTD_SYSCONFIG:=/etc/sysconfig/greylistd}

# Check for missing binaries (stale symlinks should not happen)
test -x $GREYLISTD_BIN || { echo "$GREYLISTD_BIN not installed"; exit 5; }

# Check for existence of needed config file and read it
test -r $GREYLISTD_SYSCONFIG || { echo "$GREYLISTD_SYSCONFIG not existing"; exit 6; }
. $GREYLISTD_SYSCONFIG


GREYLISTD_UID=${UGID%:*}
GREYLISTD_GID=${UGID#*:}

. /etc/rc.status

# Reset status of this service
rc_reset

case "$1" in
    start)
	echo -n "Starting greylistd "
	## Start daemon with startproc(8). If this fails
	## the return value is set appropriately by startproc.

	# a cleanup workaround, since /etc/init.d/boot.local removes only 
	# regular files, and not sockets
	socket=/var/run/greylistd/socket
	if test -d "${socket%/*}"; then
		if test -e $socket; then
			if ! lsof -n $socket &>/dev/null; then
				rm $socket
			fi
		fi
	else
		mkdir "${socket%/*}"
		chown mail: "${socket%/*}"
	fi
	startproc -u $GREYLISTD_UID -g $GREYLISTD_GID $GREYLISTD_BIN &>/dev/null

	# Remember status and be verbose
	rc_status -v
	;;
    stop)
	echo -n "Shutting down greylistd "
	## Stop daemon with killproc(8) and if this fails
	## killproc sets the return value according to LSB.

	killproc -TERM $GREYLISTD_BIN

	# Remember status and be verbose
	rc_status -v
	;;
    try-restart|condrestart)
	## 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.
	if test "$1" = "condrestart"; then
		echo "${attn} Use try-restart ${done}(LSB)${attn} rather than condrestart ${warn}(RH)${norm}"
	fi
	$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
	$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 greylistd "
	## if it supports it:
	#killproc -HUP $GREYLISTD_BIN
	#touch /var/run/FOO.pid
	#rc_status -v

	## Otherwise:
	$0 try-restart
	rc_status
	;;
    reload)
	## Like force-reload, but if daemon does not support
	## signaling, do nothing (!)

	rc_failed 3
	rc_status -v
	;;
    status)
	echo -n "Checking for service greylistd "
	## Check status with checkproc(8), if process is running
	## checkproc will return with exit status 0.

	# Return value is slightly different for the status command:
	# 0 - service up and running
	# 1 - service dead, but /var/run/  pid  file exists
	# 2 - service dead, but /var/lock/ lock file exists
	# 3 - service not running (unused)
	# 4 - service status unknown :-(
	# 5--199 reserved (5--99 LSB, 100--149 distro, 150--199 appl.)
	
	# NOTE: checkproc returns LSB compliant status values.
	checkproc $GREYLISTD_BIN
	# NOTE: rc_status knows that we called this init script with
	# "status" option and adapts its messages accordingly.
	rc_status -v
	;;
    probe)
	## Optional: Probe for the necessity of a reload, print out the
	## argument to this init script which is required for a reload.
	## Note: probe is not (yet) part of LSB (as of 1.9)

	test $GREYLISTD_CONFIG -nt /var/run/greylistd && echo reload
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}" exit 1
	;;
esac
rc_exit