diff options
Diffstat (limited to 'src/etc/init.d/isc-dhcpv4-server')
-rwxr-xr-x | src/etc/init.d/isc-dhcpv4-server | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/etc/init.d/isc-dhcpv4-server b/src/etc/init.d/isc-dhcpv4-server new file mode 100755 index 000000000..377634a13 --- /dev/null +++ b/src/etc/init.d/isc-dhcpv4-server @@ -0,0 +1,113 @@ +#!/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 |