File dazuko.init-script of Package dazuko

#!/bin/sh
#
#     System startup script loading dazuko kernel module.
#     Copyright (C) 2006 Marius Tomaschewski, SUSE / Novell Inc.
#
#     This library is free software; you can redistribute it and/or modify it
#     under the terms of the GNU Lesser General Public License as published by
#     the Free Software Foundation; either version 2.1 of the License, or (at
#     your option) any later version.
#
#     This library 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
#     Lesser General Public License for more details.
#
#     You should have received a copy of the GNU Lesser General Public
#     License along with this library; if not, write to the Free Software
#     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307,
#     USA.
#
# /etc/init.d/boot.dazuko
#
### BEGIN INIT INFO
# Provides:          boot.dazuko
# Required-Start:    boot.localfs boot.loadmodules
# Required-Stop:     boot.localfs boot.loadmodules
# Should-Start:      apparmor
# Should-Stop:       apparmor
# Default-Start:     B
# Default-Stop:      B
# Description: Loads dazuko, on-access virus interface.
### END INIT INFO

#--
# Initialize variable with dazuko module name.
DAZUKO_MODULE=""

# For compatibility with old versions.
test -r /etc/sysconfig/antivir && {
	. /etc/sysconfig/antivir
}

# Check for existence of needed config file and read it
DAZUKO_CONFIG=/etc/sysconfig/dazuko
test -r "$DAZUKO_CONFIG" && {
	. "$DAZUKO_CONFIG"
} || {
	echo "$DAZUKO_CONFIG does not exists";
	test "$1" = "stop" && exit 0 || exit 6;
}

# For MODULES_LOADED_ON_BOOT variable.
test -r /etc/sysconfig/kernel && {
	. /etc/sysconfig/kernel
}

#--
module_loads_on_boot()
{
	name=$1
	test -n "$name" && \
	test -n "$MODULES_LOADED_ON_BOOT" && \
	for m in $MODULES_LOADED_ON_BOOT ; do
		if test "x$m" == "x$name" ; then
			return 0
		fi
	done
	return 1
}

#--
# Source functions from /etc/rc.status:
. /etc/rc.status
# Reset status of this service
rc_reset

case "$1" in
    start|restart)
	echo -n "Loading dazuko on-access scanner interface"
	if test -n "$DAZUKO_MODULE" ; then
		MODULE=$(basename $DAZUKO_MODULE)
		MODULE=${MODULE%.*o}
		if ! module_loads_on_boot $MODULE ; then
			modprobe -qs $DAZUKO_MODULE &>/dev/null
			rc_status -v
		else
			# Module loads on boot... skip.
			rc_status -u
		fi
	else
		# Module loading disabled...
		rc_status -u
	fi
	;;
    stop)
	echo -n "Unloading dazuko on-access scanner interface"
	if test -n "$DAZUKO_MODULE" ; then
		MODULE=$(basename $DAZUKO_MODULE)
		MODULE=${MODULE%.*o}
		if ! module_loads_on_boot $MODULE ; then
			if test -n "$MODULE" && \
			   lsmod | grep -qse "^${MODULE}" ;
			then
				rmmod -s $MODULE
			fi
			rc_status -v
		else
			# Module loads on boot... skip.
			rc_status -u
		fi
	else
		# Module loading disabled...
		rc_status -u
	fi
	;;
#    restart)
#	## Stop the service and regardless of whether it was
#	## running or not, start it again.
#	$0 stop
#	$0 start
#
#	# Remember status and be quiet
#	rc_status
#	;;
    status)
	echo -n "Checking for dazuko on-access scanner interface "
	if test -n "$DAZUKO_MODULE" ; then
		MODULE=$(basename $DAZUKO_MODULE)
		MODULE=${MODULE%.*o}
	else
		MODULE=""
	fi
	if test -n "$MODULE" ; then
		if lsmod | grep -qse "^${MODULE}" ; then
			rc_failed 0
		else
			rc_failed 3
		fi
	else
		# Not configured / unknown
		rc_failed 4
	fi
	rc_status -v
	;;
    *)
	echo "Usage: $0 {start|stop|status|restart}"
	exit 1
	;;
esac
rc_exit