dhcp/dhcrelay.init

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#!/bin/sh
#
### BEGIN INIT INFO
# Provides: dhcrelay
# Default-Start:
# Default-Stop:
# Should-Start:
# Required-Start: $network
# Required-Stop:
# Short-Description: Start and stop the DHCP relay server
# Description: dhcrelay provides the Dynamic Host Configuration Protocol (DHCP)
# relay server. This is required when your DHCP server is on
# another network segment from the clients.
### END INIT INFO
#
# The fields below are left around for legacy tools (will remove later).
#
# chkconfig: - 65 35
# description: dhcrelay provides a relay for Dynamic Host Control Protocol.
# processname: dhcrelay
# # pidfile: /var/run/dhcrelay.pid
. /etc/rc.d/init.d/functions
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RETVAL=0
prog=dhcrelay
exec=/usr/sbin/dhcrelay
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lockfile=/var/lock/subsys/dhcrelay
pidfile=/var/run/dhcrelay.pid
config=/etc/sysconfig/dhcrelay
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# The dhcrelay daemon uses the sysconfig file for configuration information.
# There is no native configuration file for this program and you must specify
# its settings on the command line.
[ -f /etc/sysconfig/dhcrelay ] && . /etc/sysconfig/dhcrelay
configtest() {
[ -x $exec ] || exit 5
[ -f $config ] || exit 6
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[ -z "$DHCPSERVERS" ] && exit 6
return 0
}
rh_status() {
status $exec
}
rh_status_q() {
rh_status >/dev/null 2>&1
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}
start() {
[ `id -u` -eq 0 ] || exit 4
[ -x $exec ] || exit 5
[ -f $config ] || exit 6
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rh_status_q && return 0
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echo -n $"Starting $prog: "
daemon $exec $DHCRELAYARGS $([ -n "$INTERFACES" ] && for int in $INTERFACES ; do echo -n " -i $int" ; done) $DHCPSERVERS 2>/dev/null
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RETVAL=$?
echo
[ $RETVAL -eq 0 ] && touch $lockfile
return $RETVAL
}
stop() {
[ `id -u` -eq 0 ] || exit 4
rh_status_q || return 0
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echo -n $"Shutting down $prog: "
killproc $prog
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RETVAL=$?
echo
[ $RETVAL -eq 0 ] && rm -f $lockfile
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return $RETVAL
}
usage() {
echo $"Usage: $0 {start|stop|restart|force-reload|condrestart|try-restart|configtest|status}"
}
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if [ $# -gt 1 ]; then
exit 2
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fi
case "$1" in
start)
start
;;
stop)
stop
;;
restart|force-reload)
stop ; start
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;;
condrestart|try-restart)
rh_status_q || exit 0
stop ; start
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;;
reload)
usage
# unimplemented feature
exit 3
;;
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configtest)
configtest
;;
status)
rh_status
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;;
*)
usage
exit 2
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;;
esac
exit $?