PREIN

/bin/sh

getent group canna >/dev/null || groupadd -r canna
getent passwd canna >/dev/null || useradd -r -g canna -d /var/lib/canna -s /sbin/nologin -c 'Canna Service User' canna
exit 0

PREUN

/bin/sh

if [ "$1" = "0" ]; then
    /sbin/service canna stop > /dev/null 2>&1 || :
    /sbin/chkconfig --del canna
fi

POSTIN

/bin/sh

if ! grep -q canna /etc/services
then
	echo "canna		5680/tcp" >>/etc/services
fi
/sbin/chkconfig --add canna
/bin/chown -R canna:canna /var/lib/canna

POSTUN

/bin/sh

if [ "$1" -ge "1" ]; then
    /sbin/service canna try-restart >/dev/null 2>&1 || :
fi