#!/bin/sh

# Licensed to the Apache Software Foundation (ASF) under one

# or more contributor license agreements. See the NOTICE file

# distributed with this work for additional information

# regarding copyright ownership. The ASF licenses this file

# to you under the Apache License, Version 2.0 (the

# "License"); you may not use this file except in compliance

# with the License. You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing,

# software distributed under the License is distributed on an

# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

# KIND, either express or implied. See the License for the

# specific language governing permissions and limitations

# under the License.

DHCP_CONF="/etc/dhcpd.conf"

err_exit() {

echo "$*"

exit 1

}

[ ! -f $DHCP_CONF ] && err_exit "Cannot find $DHCP_CONF"

cat $DHCP_CONF | tr '\n' '~' > /tmp/dhcpd.tmp && sed -i 's/}/}\n/g' /tmp/dhcpd.tmp && sed -i 's/\(subnet.*netmask.*{\).*\(}\)/\1\2/g' /tmp/dhcpd.tmp && cat /tmp/dhcpd.tmp | tr '~' '\n' > $DHCP_CONF && rm /tmp/dhcpd.tmp -f

[ $? -ne 0 ] && err_exit "Configure dhcpd.conf failed"

service dhcpd restart

[ $? -ne 0 ] && err_exit "restart dhcpd failed"

exit 0