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#!/bin/sh

### BEGIN INIT INFO
# Provides:          kav4fs-supervisor
# Required-Start:    $local_fs
# Required-Stop:
# Should-Start:
# Should-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Kaspersky Lab Framework for Kaspersky Lab Linux-based anti-virus applications
# Description:       Provides a framework required to run Kaspersky Lab Linux-based
#	applications of version 8.0 and above.
#	Note: Starting the service starts all the Kaspersky Lab Linux-based anti-virus
#	applications of version 8.0 and above installed on this computer.
#	Stopping the service stops all the Kaspersky Lab Linux-based anti-virus
#	applications of version 8.0 and above running on this computer.
### END INIT INFO

KL_APP=kav4fs
KL_SERVICE_TITLE="Kaspersky Lab Framework Supervisor"
KL_SERVICE_NAME=kav4fs-supervisor
KL_SERVICE_BIN=/opt/kaspersky/kav4fs/sbin/kav4fs-supervisor
KL_SERVICE_CONFIG=/etc/opt/kaspersky/kav4fs-supervisor.conf

KLFW_CONTROL=/opt/kaspersky/kav4fs/sbin/kav4fs-supervisor-control

. /opt/kaspersky/kav4fs/lib/rcfunctions.sh

is_systemd() {
    ps -p 1 -o comm= | grep systemd >/dev/null 2>&1
    if [ $? -eq 0 ] && [ -d '/etc/systemd/system' ]; then
        return 0
    else
        return 1
    fi
}

lock_subsystem() {
    if [ -d /var/lock/subsys ]; then
        touch "/var/lock/subsys/$KL_SERVICE_NAME"
    fi
}

unlock_subsystem() {
    if [ -d /var/lock/subsys ]; then
        rm -f "/var/lock/subsys/$KL_SERVICE_NAME"
    fi
}

INSTALLER_DAT="/var/opt/kaspersky/$KL_APP/installer.dat"
LOCALE="$(kl_get_value "$INSTALLER_DAT" SERVICE_LOCALE)"

if [ -z "$LOCALE" ] ; then
    if [ -d /etc/locale ] ; then
        for locale in en_US.utf8 en_US.UTF8 en_US.UTF-8 UTF-8 ; do
            if [ -d "/etc/locale/$locale" ] ; then
                LOCALE="$locale"
                break
            fi
        done
    else
        LOCALE="$(locale -a|grep -ie 'en_US.UTF-\?8'|head -n 1)"
    fi

[ -n "$LOCALE" ] || LOCALE='C'
fi

export LANG=$LOCALE
export LC_ALL=$LOCALE

# Reset status of this service
kl_reset

kl_run_dir=/var/run/kav4fs
if [ ! -e "$kl_run_dir" ] ; then
    mkdir "$kl_run_dir"
    chmod 0750 "$kl_run_dir"
fi

case "$1" in
    start)
        kl_action "Starting"
        if ! $KLFW_CONTROL --start-supervisor ; then
            kl_setrc 1
        fi
        kl_status -v
        $KLFW_CONTROL --supervisor-status && lock_subsystem
        ;;

stop)
        kl_action "Shutting down"
        if ! $KLFW_CONTROL --stop-supervisor ; then
            kl_setrc 1
        fi
        kl_status -v
        $KLFW_CONTROL --supervisor-status || unlock_subsystem
        ;;

try-restart|condrestart)
        # Do a restart only if the service was active before.
        $0 status >/dev/null
        if test $? = 0; then
            $0 restart
        else
            kl_reset # Not running is not a failure.
        fi

# Remember status and be quiet
        kl_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
        kl_status
        ;;

reload|force-reload)
        ## Like force-reload, but if daemon does not support
        ## signaling, do nothing (!)

# If it supports signaling:
        #kl_action "Reload service"
        #kl_killproc $KL_SERVICE_BIN -HUP
        #kl_status -v

## Otherwise if it does not support reload:
        is_systemd
        rc=$?
        if  [ $rc -eq 0 ]; then
            echo Option reload is not supported on systems with systemd
			exit 3
        elif [ "$KL_OS" = 'suse' ] ; then
            rc_failed 3
            kl_status -v
        else
            $0 restart
        fi
        ;;

status)
        kl_action "Checking for service"
        kl_checkproc $KL_SERVICE_BIN
        kl_status -v
        ;;

*)
        echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload}"
        exit 1
        ;;
esac

kl_exit

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