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#!/bin/sh
########################################################################
# Begin /lib/services/ipv4-static
#
# Description : IPV4 Static Boot Script
#
# Authors : Nathan Coulson - nathan@linuxfromscratch.org
# Kevin P. Fleming - kpfleming@linuxfromscratch.org
# Update : Bruce Dubbs - bdubbs@linuxfromscratch.org
#
# Version : LFS 7.0
#
########################################################################
#. /lib/lsb/init-functions
. ${IFCONFIG}
if [ -z "${IP}" ]; then
echo "IP variable missing from ${IFCONFIG}, cannot continue."
exit 1
fi
if [ -z "${PREFIX}" -a -z "${PEER}" ]; then
echo "PREFIX variable missing from ${IFCONFIG}, assuming 24."
PREFIX=24
args="${args} ${IP}/${PREFIX}"
elif [ -n "${PREFIX}" -a -n "${PEER}" ]; then
echo "PREFIX and PEER both specified in ${IFCONFIG}, cannot continue."
exit 1
elif [ -n "${PREFIX}" ]; then
args="${args} ${IP}/${PREFIX}"
elif [ -n "${PEER}" ]; then
args="${args} ${IP} peer ${PEER}"
fi
if [ -n "${BROADCAST}" ]; then
args="${args} broadcast ${BROADCAST}"
fi
case "${2}" in
up)
if [ "$(ip addr show ${1} 2>/dev/null | grep ${IP}/)" = "" ]; then
# Cosmetic output not needed for multiple services
#if ! $(echo ${SERVICE} | grep -q " "); then
# echo "" # Terminate the previous message
#fi
echo "Adding IPv4 address ${IP} to the ${1} interface..."
ip addr add ${args} dev ${1}
#evaluate_retval
else
echo "Cannot add IPv4 address ${IP} to ${1}. Already present."
fi
;;
down)
if [ "$(ip addr show ${1} 2>/dev/null | grep ${IP}/)" != "" ]; then
echo "Removing IPv4 address ${IP} from the ${1} interface..."
ip addr del ${args} dev ${1}
#evaluate_retval
fi
if [ -n "${GATEWAY}" ]; then
# Only remove the gateway if there are no remaining ipv4 addresses
if [ "$(ip addr show ${1} 2>/dev/null | grep 'inet ')" != "" ]; then
echo "Removing default gateway..."
ip route del default
#evaluate_retval
fi
fi
;;
*)
echo "Usage: ${0} [interface] {up|down}"
exit 1
;;
esac
# End /lib/services/ipv4-static
|
