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#!/bin/sh
########################################################################
# Begin /lib/network-services/ipv4-static
#
# Description : IPV4 Static Boot Script
#
# Authors : Nathan Coulson - nathan@linuxfromscratch.org
# Kevin P. Fleming - kpfleming@linuxfromscratch.org
#
# Version : 00.00
#
# Notes :
#
########################################################################
. /lib/lsb/init-functions
. ${IFCONFIG}
if [ -z "${IP}" ]; then
log_failure_msg "IP variable missing from ${IFCONFIG}, cannot continue."
exit 1
fi
if [ -z "${PREFIX}" -a -z "${PEER}" ]; then
log_warning_msg "PREFIX variable missing from ${IFCONFIG}, assuming 24."
PREFIX=24
args="${args} ${IP}/${PREFIX}"
elif [ -n "${PREFIX}" -a -n "${PEER}" ]; then
log_failure_msg "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 ${BROADCAST}"
fi
if [ -n "${SOURCE}" ]; then
args="${args} src ${SOURCE}"
fi
case "${2}" in
up)
MESSAGE="Adding IPv4 address ${IP} to the ${1} interface..."
ip addr add ${args} dev ${1}
evaluate_retval
if [ -n "${GATEWAY}" ]; then
if ip route | grep -q default; then
log_warning_msg "Gateway already setup; skipping." ${WARNING}
else
MESSAGE="Setting up default gateway..."
ip route add default via ${GATEWAY} dev ${1}
evaluate_retval
fi
fi
;;
down)
if [ -n "${GATEWAY}" ]; then
MESSAGE="Removing default gateway..."
ip route del default
evaluate_retval
fi
MESSAGE="Removing IPv4 address ${IP} from the ${1} interface..."
ip addr del ${args} dev ${1}
evaluate_retval
;;
*)
echo "Usage: ${0} [interface] {up|down}"
exit 1
;;
esac
# End /lib/network-services/ipv4-static
|
