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|
#!/bin/sh
#
#
### BEGIN INIT INFO
# Provides: isc-dhcpv4-server
# Required-Start: $remote_fs $network $syslog
# Required-Stop: $remote_fs $network $syslog
# Should-Start: $local_fs slapd $named
# Should-Stop: $local_fs slapd
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: IPv4 DHCP server
# Description: Dynamic Host Configuration Protocol Server for IPv4
### END INIT INFO
PATH=/sbin:/bin:/usr/sbin:/usr/bin
test -f /usr/sbin/dhcpd || exit 0
DHCPD_DEFAULT="${DHCPD_DEFAULT:-/etc/default/isc-dhcpv4-server}"
# It is not safe to start if we don't have a default configuration...
if [ ! -f "$DHCPD_DEFAULT" ]; then
echo "$DHCPD_DEFAULT does not exist! - Aborting..."
exit 0
fi
. /lib/lsb/init-functions
# Read init script configuration
[ -f "$DHCPD_DEFAULT" ] && . "$DHCPD_DEFAULT"
NAME=dhcpd
DESC="ISC DHCP server"
# fallback to default config file
DHCPD_CONF=${DHCPD_CONF:-/etc/dhcp/dhcpd.conf}
# try to read pid file name from config file, with fallback to /var/run/dhcpd.pid
if [ -z "$DHCPD_PID" ]; then
DHCPD_PID=$(sed -n -e 's/^[ \t]*pid-file-name[ \t]*"(.*)"[ \t]*;.*$/\1/p' < "$DHCPD_CONF" 2>/dev/null | head -n 1)
fi
DHCPD_PID="${DHCPD_PID:-/var/run/dhcpd.pid}"
test_config()
{
if ! /usr/sbin/dhcpd -t $OPTIONS -q -cf "$DHCPD_CONF" > /dev/null 2>&1; then
echo "dhcpd self-test failed. Please fix $DHCPD_CONF."
echo "The error was: "
/usr/sbin/dhcpd -t $OPTIONS -cf "$DHCPD_CONF"
exit 1
fi
touch /var/lib/dhcp/dhcpd.leases
}
# single arg is -v for messages, -q for none
check_status()
{
if [ ! -r "$DHCPD_PID" ]; then
test "$1" != -v || echo "$NAME is not running."
return 3
fi
if read pid < "$DHCPD_PID" && ps -p "$pid" > /dev/null 2>&1; then
test "$1" != -v || echo "$NAME is running."
return 0
else
test "$1" != -v || echo "$NAME is not running but $DHCPD_PID exists."
return 1
fi
}
case "$1" in
start)
test_config
log_daemon_msg "Starting $DESC" "$NAME"
start-stop-daemon --start --quiet --pidfile "$DHCPD_PID" \
--exec /usr/sbin/dhcpd -- \
-q $OPTIONS -cf "$DHCPD_CONF" -pf "$DHCPD_PID" $INTERFACES
sleep 2
if check_status -q; then
log_end_msg 0
else
log_failure_msg "check syslog for diagnostics."
log_end_msg 1
exit 1
fi
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
start-stop-daemon --stop --quiet --pidfile "$DHCPD_PID"
log_end_msg $?
rm -f "$DHCPD_PID"
;;
restart | force-reload)
test_config
$0 stop
sleep 2
$0 start
if [ "$?" != "0" ]; then
exit 1
fi
;;
status)
echo -n "Status of $DESC: "
check_status -v
exit "$?"
;;
*)
echo "Usage: $0 {start|stop|restart|force-reload|status}"
exit 1
esac
exit 0
|
