#!/bin/bash #============================================================================ # /etc/xen/vif-route # # Script for configuring a vif in routed mode. # The hotplugging system will call this script if it is specified either in # the device configuration given to Xend, or the default Xend configuration # in /etc/xen/xend-config.sxp. If the script is specified in neither of those # places, then vif-bridge is the default. # # Usage: # vif-route (add|remove|online|offline) # # Environment vars: # vif vif interface name (required). # XENBUS_PATH path to this device's details in the XenStore (required). # Read from the store: # ip list of IP networks for the vif, space-separated (default given in # this script). # # This script will set up proxy arp for any ip addresses that are being routed # type read to determine if the device is ioemu #============================================================================ dir=$(dirname "$0") . "$dir/vif-common.sh" main_ip=$(dom0_ip) dev=${dev:-${vif}} case "$command" in online) ifconfig ${dev} ${main_ip} netmask 255.255.255.255 up echo 1 >/proc/sys/net/ipv4/conf/${dev}/proxy_arp echo 1 >/proc/sys/net/ipv4/conf/${dev}/rp_filter if [ x${qemu_online} != xyes ]; then ethtool -K ${dev} tx off fi ipcmd='add' cmdprefix='' ;; offline) do_without_error ifdown ${vif} ipcmd='del' cmdprefix='do_without_error' ;; esac vif_type=$(xenstore_read_default "$XENBUS_PATH/type" "viffront") if [ ${vif_type} != "ioemu" -o x${qemu_online} = xyes ] ; then if [ "${ip}" ] ; then # If we've been given a list of IP addresses, then add routes from dom0 to # the guest using those addresses. for addr in ${ip} ; do ${cmdprefix} ip route ${ipcmd} ${addr} dev ${dev} src ${main_ip} arpspoof -i $(invirt-getconf xen.network.iface) -t 18.181.0.1 ${addr}& sleep 5 kill %arpspoof done fi fi log debug "Successful vif-route $command for $vif." if [ "$command" == "online" ] then success fi