PREIN

/bin/sh

/usr/share/rpm-helper/add-user vsftpd $1 ftp /var/ftp /bin/false

PREUN

/bin/sh

/usr/share/rpm-helper/del-service vsftpd $1 vsftpd 
if [ -x /usr/sbin/xinetd ];then
/usr/share/rpm-helper/add-service vsftpd $1 xinetd 
fi

POSTIN

/bin/sh

/usr/share/rpm-helper/add-service vsftpd $1 vsftpd 
if [ -x /usr/sbin/xinetd ];then
/usr/share/rpm-helper/add-service vsftpd $1 xinetd 
fi

POSTUN

/bin/sh

/usr/share/rpm-helper/del-user vsftpd $1 ftp