PREUN

/bin/sh

if [ $1 = 0 ]; then
    /sbin/service dhcpd stop >/dev/null 2>&1
    /sbin/service dhcpd6 stop >/dev/null 2>&1
    /sbin/service dhcrelay stop >/dev/null 2>&1

    /sbin/chkconfig --del dhcpd
    /sbin/chkconfig --del dhcpd6
    /sbin/chkconfig --del dhcrelay || :
fi

POSTIN

/bin/sh

sampleconf="#
# DHCP Server Configuration file.
#   see /usr/share/doc/dhcp*/dhcpd.conf.sample
#   see 'man 5 dhcpd.conf'
#"

contents="$(/bin/cat /etc/dhcp/dhcpd.conf)"
prevconf="/etc/dhcpd.conf"

if [ ! -z "${prevconf}" ]; then
    if [ ! -f /etc/dhcp/dhcpd.conf -o "${sampleconf}" = "${contents}" ]; then
        /bin/cp -a ${prevconf} /etc/dhcp/dhcpd.conf >/dev/null 2>&1
        /bin/mv ${prevconf} ${prevconf}.rpmsave >/dev/null 2>&1
        if [ -x /sbin/restorecon ]; then
            /sbin/restorecon /etc/dhcp/dhcpd.conf >/dev/null 2>&1
        fi
    fi
fi

/sbin/chkconfig --add dhcpd
/sbin/chkconfig --add dhcpd6
/sbin/chkconfig --add dhcrelay || :

POSTUN

/bin/sh

if [ $1 -ge 1 ]; then
    /sbin/service dhcpd condrestart >/dev/null 2>&1
    /sbin/service dhcpd6 condrestart >/dev/null 2>&1
    /sbin/service dhcrelay condrestart >/dev/null 2>&1 || :
fi