# Copyright 2004-2007 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 arping_depend() { program /sbin/arping before interface } arping_address() { local ip=${1%%/*} mac="$2" foundmac= i= w= opts= # We only handle IPv4 addresses case "${ip}" in 0.0.0.0|0) return 1 ;; *.*.*.*) ;; *) return 1 ;; esac # We need to bring the interface up to test _exists "${iface}" || return 1 _up "${iface}" eval w=\$arping_wait_${IFVAR} [ -z "${w}" ] && w=${arping_wait:-5} [ -z "$(_get_inet_address)" ] && opts="${opts} -D" foundmac="$(arping -w "${w}" ${opts} -f -I "${IFACE}" "${ip}" 2>/dev/null | \ sed -n -e 'y/abcdef/ABCDEF/' -e 's/.*\[\([^]]*\)\].*/\1/p')" [ -z "${foundmac}" ] && return 1 if [ -n "${mac}" ] ; then if [ "${mac}" != "${foundmac}" ] ; then vewarn "Found ${ip} but MAC ${foundmac} does not match" return 1 fi fi return 0 } arping_start() { local gateways= x= conf= i= einfo "Pinging gateways on ${IFACE} for configuration" eval $(_get_array "gateways_${IFVAR}") if [ $# = 0 ] ; then eerror "No gateways have been defined (gateways_${IFVAR}=\"...\")" return 1 fi eindent for x in "$@"; do eval set -- "${x}" local ip=$1 mac=$2 extra= if [ -n "${mac}" ] ; then mac="$(echo "${mac}" | tr '[:lower:]' '[:upper:]')" extra="(MAC ${mac})" fi vebegin "${ip} ${extra}" if arping_address "${ip}" "${mac}" ; then local OIFS=$IFS SIFS=${IFS-y} IFS=. for i in ${ip} ; do if [ "${#i}" = "2" ] ; then conf="${conf}0${i}" elif [ "${#i}" = "1" ] ; then conf="${conf}00${i}" else conf="${conf}${i}" fi done if [ "${SIFS}" = "y" ] ; then IFS=$OFIS else unset IFS fi [ -n "${mac}" ] && conf="${conf}_$(echo "${mac}" | sed -e 's/://g')" veend 0 eoutdent veinfo "Configuring ${IFACE} for ${ip} ${extra}" _configure_variables "${conf}" # Call the system module as we've aleady passed it by .... # And it *has* to be pre_start for other things to work correctly system_pre_start # Ensure that we have a valid config - ie arping is no longer there eval $(_get_array "config_${IFVAR}") for i in "$@" ; do if [ "${i}" = "arping" ] ; then veend 1 "No config found for ${ip} (config_${conf}=\"...\")" continue 2 fi done _load_config return 0 fi veend 1 done eoutdent return 1 } # vim: set ts=4 :