File init.spamd of Package spamassassin

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File init.spamd of Package spamassassin

#!/bin/bash
# Copyright (c) 1995-2002 SuSE GmbH Nuernberg, Germany.
#
# Author: Kurt Garloff, Carsten Hoeger
# Please send feedback to http://www.suse.de/feedback/
#
# /etc/init.d/spamd
#
#   and symbolic its link
#
# /usr/sbin/rcspamd
#
# LSB compliant service control script; see http://www.linuxbase.org/spec/
# 
# System startup script for daemon spamd
#
### BEGIN INIT INFO
# Provides: spamd
# Required-Start: $remote_fs $syslog 
# Required-Stop:  $remote_fs $syslog
# Default-Start:  3 5
# Default-Stop:   0 1 2 6
# Description:    Start spamd to allow efficient filtering of mail
#	through spamassassin. Note: Read README.spamd about security implications
# Short-Description: Start the spamassassin daemon
### END INIT INFO
# 
# Note on Required-Start: It does specify the init script ordering,
# not real dependencies. Depencies have to be handled by admin
# resp. the configuration tools (s)he uses.

# Source SuSE config (if still necessary, most info has been moved)
test -r /etc/rc.config && . /etc/rc.config

# Check for missing binaries (stale symlinks should not happen)
SPAMD_BIN=/usr/sbin/spamd
PIDFILE=/var/run/spamd.pid
test -x $SPAMD_BIN || exit 5

# Check for existence of needed config file and read it
# 
# Later, we may want to make startup behaviour (user ID, firewalling, ...)
# configurable, as there are security implications (read README.spamd).
SPAMD_CONFIG=/etc/sysconfig/spamd
test -r $SPAMD_CONFIG || exit 6
. $SPAMD_CONFIG

# 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
#      rc_active	checks whether a service is activated by symlinks
. /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.

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

# NOTE: startproc returns 0, even if service is 
	# already running to match LSB spec.
	startproc -p $PIDFILE $SPAMD_BIN $SPAMD_ARGS -r $PIDFILE

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

killproc -p $PIDFILE -TERM $SPAMD_BIN

# Remember status and be verbose
	rc_status -v
	;;
    try-restart)
	## Stop the service and if this succeeds (i.e. the 
	## service was running before), start it again.
	## Note: try-restart is not (yet) part of LSB (as of 0.7.5)
	$0 status >/dev/null &&  $0 restart

# 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 spamd "
	## if it supports it:
	#killproc -HUP $SPAMD_BIN
	#touch /var/run/spamd.pid
	#rc_status -v

## Otherwise:
	$0 stop  &&  $0 start
	rc_status
	;;
    reload)
	## Like force-reload, but if daemon does not support
	## signalling, do nothing (!)

# If it supports signalling:
	#echo -n "Reload service spamd "
	#killproc -HUP $SPAMD_BIN
	#touch /var/run/spamd.pid
	#rc_status -v
	
	## Otherwise if it does not support reload:
	rc_failed 3
	rc_status -v
	;;
    status)
	echo -n "Checking for service spamd "
	## 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 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 $PIDFILE $SPAMD_BIN
	rc_status -v
	;;
    probe)
	## Optional: Probe for the necessity of a reload,
	## print out the argument which is required for a reload.

test /etc/mail/spamassassin/local.cf -nt /var/run/spamd.pid && echo reload
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
	exit 1
	;;
esac
rc_exit

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