File init.z90crypt of Package libica-2_3_0

#! /bin/sh
# Copyright (c) 2002-2004 SUSE AG, Nuernberg, Germany.
#
# Author: Bernd Kaindl <feedback@suse.de>
#         Hannes Reinecke <feedback@suse.de>
#
# /etc/init.d/z90crypt
#
#   and symbolic its link
#
# /usr/sbin/rcz90crypt
#
### BEGIN INIT INFO
# Provides: z90crypt
# Required-Start:
# Required-Stop:
# Default-Start: B
# Default-Stop:
# Description: Load the z90crypt module
### END INIT INFO

Z90CRYPT_CONFIG_FILE=/etc/sysconfig/z90crypt

. /etc/rc.status

if [ -s "$Z90CRYPT_CONFIG_FILE" ]; then
    source $Z90CRYPT_CONFIG_FILE
else
    Z90CRYPT_DOMAIN="-1"
fi

if [ "$Z90CRYPT_DOMAIN" = "-1" ]; then
    parm=
else
    parm="domain=$Z90CRYPT_DOMAIN"
fi

module="ap"
device="z90crypt"         

# Recursive function to unload all holding modules before unloading
# the requested module.
function unload_module_and_holding {
	for holder in $(ls /sys/module/$1/holders/); do
		if [ -e /sys/module/$1/holders/$holder ]; then
			unload_module_and_holding $holder
		fi
	done

	echo -n "Unloading $1 module:"

        # invoke rmmod with no args
        /sbin/rmmod $1 > /dev/null 2>&1 
	if [ $? -ne 0 ]; then       
		rc_failed
		rc_status -v
		rc_exit
	fi

	# Remember status and be verbose
	rc_status -v
}

# 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_reset         clear local rc status (overall remains)
#      rc_exit          exit appropriate to overall rc status

# First reset status of this service
rc_reset
case "$1" in
    start)
	echo -n "Loading $module module"

        #/sbin/modprobe $module > /dev/null 2>&1 || {
        /sbin/modprobe $module $parm || {
		rc_failed
		rc_status -v
		rc_exit
	}

	rc_status -v

	# The z90crypt device node is created by the zcrypt_api module.
	# Simply loading the ap bus module does not immediately make
	# the z90crypt device node. Explicitly loading zcrypt_api will
	# cause the z90crypt device node to be created in a timely
	# manner.
	echo -n "Loading zcrypt_api module"

	/sbin/modprobe zcrypt_api

	if [ ! -d /sys/class/misc/$device ]; then
		echo -n " - no device, maybe HW not found (see dmesg)"
		rc_failed
		rc_status -v
		rc_exit
	fi

	# Remember status and be verbose
	rc_status -v
	;;
    stop)
	# Modules associated with the ap bus module have nested
	# dependencies. This function recurses into the holding
	# modules and unloads them first.
	unload_module_and_holding $module

	# Remove stale nodes
	rm -f /dev/${device}
	;;
    try-restart)
        ## Unload the module and if this succeeds (i.e. the 
        ## module was loaded before), start it again.
        $0 status >/dev/null &&  $0 restart

        # Remember status and be quiet
        rc_status
        ;;
    restart)
        ## Unload the module and regardless of whether it was
        ## loaded or not, load 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 "Reload module $module"
        ## if it supports it:
        #killproc -p /var/run/z90crypt.pid -HUP /usr/sbin/z90crypt
        #touch /var/run/ssh.pid

	$0 restart
        ;;
    reload)
        ## Like force-reload, but if daemon does not support
        ## signalling, do nothing (!)

        # If it supports signalling:
        echo "Reload module $module"
        #killproc -p /var/run/z90crypt.pid -HUP /usr/sbin/z90crypt
        #touch /var/run/z90crypt.pid

	$0 restart
        ;;
    status)
	echo -n "Checking for module $module: "
        ## 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.
        lsmod | grep -q $module
        rc_status -v
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload}"
	exit 1
	;;
esac
rc_exit