File dansguardian.init of Package dansguardian

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File dansguardian.init of Package dansguardian

#!/bin/sh
#
# Startup script for dansguardian
# Modified extensively for SUSE Linux by Don Vosburg <don@vosburgs.org>
#
# chkconfig: 35 92 8
# description: A web content filtering plugin for web \
#              proxies, developed to filter using lists of \
#              banned phrases, MIME types, filename \
#              extensions and PICS labelling.
# processname: dansguardian
# pidfile: /var/run/dansguardian.pid
# config: /etc/dansguardian/dansguardian.conf
#
# /etc/init.d/dansguardian
#   and its symbolic link
# /(usr/)sbin/rcdansguardian
#
### BEGIN INIT INFO
# Provides:          dansguardian
# Required-Start:    $local_fs $remote_fs $network $named squid 
# Should-Start:
# Required-Stop:     $local_fs $remote_fs $network
# Should-Stop:
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: DansGuardian web content filter
# Description:       Start the DansGuardian web content filter
#       providing HTTP and other filtering services in conjunction with squid
### END INIT INFO

# Check for missing binaries (stale symlinks should not happen)
# Note: Special treatment of stop for LSB conformance
DG_BINARY='/usr/sbin/dansguardian'
test -x $DG_BINARY || { echo "$DG_BINARY not installed";
    if [ "$1" = "stop" ]; then exit 0;
    else exit 5; fi; }

# Check for existence of needed config file 
DG_CONFIG='/etc/dansguardian/dansguardian.conf'
test -r $DG_CONFIG || { echo "$DG_CONFIG not existing";
    if [ "$1" = "stop" ]; then exit 0;
    else exit 6; fi; }

DG_PIDFILE='/var/run/dansguardian.pid'

# 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     be verbose in local rc status and clear it afterwards
#      rc_status -v -r  ditto and clear both the local and overall rc status
#      rc_status -s     display "skipped" and exit with status 3
#      rc_status -u     display "unused" and exit with status 3
#      rc_failed        set local and overall rc status to failed
#      rc_failed <num>  set local and overall rc status to <num>
#      rc_reset         clear both the local and overall rc status
#      rc_exit          exit appropriate to overall rc status
#      rc_active        checks whether a service is activated by symlinks
. /etc/rc.status

# 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       - user had insufficient privileges
# 5       - program is not installed
# 6       - program is not configured
# 7       - program is not running
# 8--199  - reserved (8--99 LSB, 100--149 distrib, 150--199 appl)
# 
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signaling is not supported) are
# considered a success.

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

# Remember status and be verbose
	rc_status -v
	;;
    stop)
	echo -n "Shutting down dansguardian "
	## Stop daemon with killproc(8) and if this fails
	## killproc sets the return value according to LSB.
	/sbin/killproc -TERM -p ${DG_PIDFILE} ${DG_BINARY}

# 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 the service if it
	## is running.

echo -n "Reload service dansguardian "
	/sbin/killproc -HUP $DG_BINARY
	touch ${DG_PIDFILE}

# Remember status and be verbose
	rc_status -v
	;;
    reload)
	## Like force-reload, but if daemon does not support
	## signaling, do nothing (!)

echo -n "Reload service dansguardian "
	/sbin/killproc -HUP $DG_BINARY
	touch ${DG_PIDFILE}

# Remember status and be verbose
	rc_status -v
	;;
    status)
	echo -n "Checking for dansguardian "
	## 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.
	/sbin/checkproc ${DG_BINARY}

# Remember status and be verbose
	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 $DG_CONFIG -nt ${DG_PIDFILE} && echo reload
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}" 
	exit 1
	;;
esac
rc_exit

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File dansguardian.init of Package dansguardian

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