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#!/bin/bash |
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# |
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# dhcpd This shell script takes care of starting and stopping |
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# dhcpd. |
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# |
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# chkconfig: 345 65 35 |
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# description: dhcpd provides the Dynamic Host Configuration Protocol service. |
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# |
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# processname: dhcpd |
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# config: /etc/dhcpd.conf |
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# pidfile: /var/run/dhcpd/dhcpd.pid |
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# |
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### BEGIN INIT INFO |
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# Provides: dhcpd |
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# Required-Start: $network |
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# Should-Start: ldap |
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# Required-Stop: $network |
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# Should-Stop: ldap |
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# Short-Description: The dhcpd daemon |
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# Description: dhcpd provides the Dynamic Host Configuration Protocol service. |
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### END INIT INFO |
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|
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# Source function library. |
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. /etc/rc.d/init.d/functions |
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|
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# Source networking configuration. |
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. /etc/sysconfig/network |
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|
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# Check that networking is up. |
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[ ${NETWORKING} = "no" ] && exit 0 |
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|
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[ -x /usr/sbin/dhcpd ] || exit 0 |
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|
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# The following variables should be set in the file |
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# /etc/sysconfig/dhcpd. |
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|
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# Which configuration file to use. |
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CONFIGFILE="/etc/dhcpd.conf" |
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# Where to store the lease state information. |
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LEASEFILE="/var/lib/dhcp/dhcpd.leases" |
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# Define INTERFACES to limit which network interfaces dhcpd listens on. |
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# The default null value causes dhcpd to listen on all interfaces. |
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INTERFACES="" |
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# Define OPTIONS with any other options to pass to the dhcpd server. |
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OPTIONS="-q" |
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|
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# Source dhcpd configuration. Values specified in this file override |
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# the defaults above. |
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[ -f /etc/sysconfig/dhcpd ] && . /etc/sysconfig/dhcpd |
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|
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# If null values were specified, use defaults so we don't get a syntax |
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# error below. |
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[ "${CONFIGFILE}" = "" ] && CONFIGFILE="/etc/dhcpd.conf" |
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[ "${LEASEFILE}" = "" ] && LEASEFILE="/var/lib/dhcp/dhcpd.leases" |
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|
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[ -f $CONFIGFILE ] || exit 0 |
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[ -f $LEASEFILE ] || exit 0 |
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|
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RETVAL=0 |
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|
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start() { |
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# Start daemons. |
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echo -n "Starting dhcpd: " |
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if [ -n "${ROOTDIR}" -a "x${ROOTDIR}" != "x/" ]; then |
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OPTIONS="${OPTIONS} -chroot ${ROOTDIR}" |
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fi |
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daemon /usr/sbin/dhcpd -cf $CONFIGFILE -lf $LEASEFILE $OPTIONS $INTERFACES |
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RETVAL=$? |
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echo |
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[ $RETVAL -eq 0 ] && touch /var/lock/subsys/dhcpd |
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return $RETVAL |
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} |
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|
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stop() { |
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# Stop daemons. |
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echo -n "Shutting down dhcpd: " |
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if [ -r ${ROOTDIR}/var/run/dhcpd/dhcpd.pid ]; then |
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kill -TERM `cat ${ROOTDIR}/var/run/dhcpd/dhcpd.pid` |
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RETVAL=$? |
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[ "$RETVAL" = 0 ] && success "stop" || failure "stop" |
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else |
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success "already stopped" |
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RETVAL=0 |
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fi |
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[ $RETVAL -eq 0 ] && rm -f ${ROOTDIR}/var/run/dhcpd/dhcpd.pid |
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[ $RETVAL = 0 ] && rm -f /var/lock/subsys/dhcpd |
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echo |
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return $RETVAL |
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} |
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|
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# See how we were called. |
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case "$1" in |
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start) |
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start |
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;; |
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stop) |
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stop |
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;; |
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restart|reload) |
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stop |
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start |
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RETVAL=$? |
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;; |
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condrestart) |
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if [ -f /var/lock/subsys/dhcpd ]; then |
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stop |
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start |
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RETVAL=$? |
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fi |
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;; |
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status) |
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status dhcpd |
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RETVAL=$? |
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;; |
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*) |
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echo "Usage: dhcpd {start|stop|restart|condrestart|status}" |
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exit 1 |
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esac |
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|
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exit $RETVAL |