88 lines
2.4 KiB
Bash
Executable File
88 lines
2.4 KiB
Bash
Executable File
#!/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
|
|
log_failure_msg "\nIP variable missing from ${IFCONFIG}, cannot continue."
|
|
exit 1
|
|
fi
|
|
|
|
if [ -z "${PREFIX}" -a -z "${PEER}" ]; then
|
|
log_warning_msg "\nPREFIX variable missing from ${IFCONFIG}, assuming 24."
|
|
PREFIX=24
|
|
args="${args} ${IP}/${PREFIX}"
|
|
|
|
elif [ -n "${PREFIX}" -a -n "${PEER}" ]; then
|
|
log_failure_msg "\nPREFIX 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 ${PEER}"
|
|
fi
|
|
|
|
if [ -n "${LABEL}" ]; then
|
|
args="${args} label ${LABEL}"
|
|
fi
|
|
|
|
if [ -n "${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
|
|
log_info_msg2 "\n" # Terminate the previous message
|
|
fi
|
|
|
|
log_info_msg "Adding IPv4 address ${IP} to the ${1} interface..."
|
|
ip addr add ${args} dev ${1}
|
|
evaluate_retval
|
|
else
|
|
log_warning_msg "Cannot add IPv4 address ${IP} to ${1}. Already present."
|
|
fi
|
|
;;
|
|
|
|
down)
|
|
if [ "$(ip addr show ${1} 2>/dev/null | grep ${IP}/)" != "" ]; then
|
|
log_info_msg "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
|
|
log_info_msg "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
|