#!/bin/rc # ipv6on [netdir ndbfile [gwv4]] - configure an interface for ipv6, # once ipv4 is configured. if (! ~ $#* 0 2 3) { echo usage: $0 '[netdir ndbfile [gw-v4-name]]' >[1=2] exit usage } rfork e if (~ $#* 0) { netdir=/net ndbf=/lib/ndb/local #gw=`{ndb/ipquery sys $sysname ipgw | sed 's/ipgw=//'} } if not { netdir=$1 ndbf=$2 } gw=`{awk '$4 ~ /4/ && $5 ~ /none/{print $3}' $netdir/iproute} if (~ $netdir /net) { xsfx=() xdir=() } if not { xsfx=(-x `{echo $netdir | sed 's;^/net;;'}) xdir=(-x $netdir) } fn nonnil { # variable if (~ $#$1 0) { echo no ip for $1 exit no-ip } if (! ~ $#$1 1) { echo multiple ips for $1 exit multiple-ips } } # # configure v6 for link-local addresses (fe80::) & multicast (ff02::) # netether=`{ls -d $netdir/ether*} netether=$netether(1) if (! ip/ipconfig -6 $xdir ether $netether) exit 'ipconfig -6 failed' ip/ipconfig $xdir ether $netether ra6 recvra 1 # for testing mylnk=`{ip/linklocal `{cat $netether/addr}} nonnil mylnk mev6=`{ndb/query -f $ndbf sys $sysname ipv6} if (~ $#mev6 0 || ~ $mev6 '') mev6=`{ndb/query -mf $ndbf sys $sysname ip | grep :} if(~ $#mev6 0 || ~ $mev6 ''){ # I am not registered to /lib/ndb/local # How to get my global IPv6 prefix? # probably RA resolve this problem # RA takes time, so we don't have the info at the moment #v6pr=`{awk '$4 ~ /6i/{print $1}' $netdir/iproute | sed 's/::$/:/'} #ifid=`{echo $mylnk | sed 's/^fe80:://'} #mev6=$v6pr:$ifid # can be buggy if $ifid begins with 0: mev6=$mylnk } nonnil mev6 if (~ $#gw 1) { if (~ $gw [0-9]*.[0-9]*.[0-9]*.[0-9]*) gwv4 = $gw if (~ $#gwv4 0 || ~ $gwv4 '') # assume namev6 and name gwv4=`{ndb/query -f $ndbf sys $gw ip} gwv6=`{ndb/query -f $ndbf sys $gw ipv6} if (! ~ $#gwv4 0) { # echo ping gw $gwv4... # load arp cache with gw mac ip/ping -qn 3 $netdir/icmp!$gwv4 >/dev/null >[2=1] & sleep 1 # wait for ping gweth=`{grep '* '^$gwv4^' ' $netdir/arp | awk '{print $4}' } } } # # configure my global or link v6 addresses # ip/ipconfig $xdir ether $netether add $mev6 /64 ip/ipconfig $xdir loopback /dev/null add $mev6 /128 nonnil gweth if (~ $#gwv6 0 || ~ $gwv6 '') gwv6=`{ip/linklocal $gweth} nonnil gwv6 # # add default v6 route to v6 addr of v4 gw # echo add :: /0 $gwv6 >$netdir/iproute # need not be link-local exit ''