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- #!/bin/sh
- ########################################################################
- # Begin $network_devices/services/ipv4-static
- #
- # Description : IPV4 Static Boot Script
- #
- # Authors : Nathan Coulson - nathan@linuxfromscratch.org
- # Kevin P. Fleming - kpfleming@linuxfromscratch.org
- #
- # Version : 00.00
- #
- # Notes :
- #
- ########################################################################
- . /etc/sysconfig/rc
- . ${rc_functions}
- . ${IFCONFIG}
- if [ -z "${IP}" ]; then
- boot_mesg "IP variable missing from ${IFCONFIG}, cannot continue." ${FAILURE}
- echo_failure
- exit 1
- fi
- if [ -z "${PREFIX}" -a -z "${PEER}" ]; then
- boot_mesg -n "PREFIX variable missing from ${IFCONFIG}," ${WARNING}
- boot_mesg " assuming 24."
- echo_warning
- PREFIX=24
- args="${args} ${IP}/${PREFIX}"
- elif [ -n "${PREFIX}" -a -n "${PEER}" ]; then
- boot_mesg "PREFIX and PEER both specified in ${IFCONFIG}, cannot continue." ${FAILURE}
- echo_failure
- exit 1
- elif [ -n "${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)
- boot_mesg "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
- boot_mesg "Gateway already setup; skipping." ${WARNING}
- echo_warning
- else
- boot_mesg "Setting up default gateway..."
- ip route add default via ${GATEWAY} dev ${1}
- evaluate_retval
- fi
- fi
- ;;
-
- down)
- if [ -n "${GATEWAY}" ]; then
- boot_mesg "Removing default gateway..."
- ip route del default
- evaluate_retval
- fi
-
- boot_mesg "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 $network_devices/services/ipv4-static
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