#!/bin/rc# ipv6on [netdir ndbfile [gwv4]] - configure an interface for ipv6,# once ipv4 is configured. use ipv6 address from ndb if present,# else do stateless-autoconfiguration (SLAC).if (! ~ $#* 0 2 3) { echo usage: $0 '[netdir ndbfile [gw-v4-name]]' >[1=2] exit usage}rfork eif (~ $#* 0) { netdir=/net ndbf=/lib/ndb/local gw=`{ndb/ipquery sys $sysname ipgw | sed 's/ipgw=//'}}if not { netdir=$1 ndbf=$2 if (~ $#* 2) # gw=() gw=`{ndb/ipquery sys $sysname ipgw | sed 's/ipgw=//'} if not gw=$3}if (~ $netdir /net) { xsfx=() xdir=()}if not { xsfx=(-x `{echo $netdir | sed 's;^/net;;'}) xdir=(-x $netdir)} fn nonnil { # variable if (~ $#$1 0) { echo ipv6on: no ip for $1 >[1=2] exit no-ip } if (! ~ $#$1 1) { echo ipv6on: multiple ips for $1 >[1=2] exit multiple-ips }} ## configure v6 for link-local addresses (fe80::) & multicast (ff02::).# accept router advertisements.#if (! ip/ipconfig -6 $xdir ether $netdir/ether?) exit 'ipconfig -6 failed'ip/ipconfig $xdir ether $netdir/ether? ra6 recvra 1 # lookup any v6 address for me in ndbmev6=`{ndb/query -f $ndbf sys $sysname ipv6}if (~ $#sysname 0 || ~ $sysname '') mev6=`{ndb/query -f $ndbf sys $sysname ip | grep :} # for testingmylnk=`{ip/linklocal `{cat $netdir/ether?/addr}}nonnil mylnk ## have gateway? try to map to a v6 address; get eui-64 of v4's mac#if (~ $#gw 1) { if (~ $gw [0-9]*.[0-9]*.[0-9]*.[0-9]*) # is it v4? gwv4 = $gw if (~ $#gwv4 0 || ~ $gwv4 '') gwv4=`{ndb/query -f $ndbf sys $gw ip} gwv6=`{ndb/query -f $ndbf sys $gw ipv6} if (! ~ $#gwv4 0) { # have v4 gateway? # echo ping gw $gwv4... # load arp cache with gw mac ip/ping -qn 3 $netdir/icmp!$gwv4 >/dev/null >[2=1] & sleep 1 # wait briefly for ping # get v4 gateway's mac gweth=`{grep '* '^$gwv4^' ' $netdir/arp | awk '{print $4}' } nonnil gweth >[2]/dev/null # don't frighten users gwlnk=`{ip/linklocal $gweth} # get mac's eui-64 nonnil gwlnk >[2]/dev/null }}nonnil mev6## configure my global v6 addresses#v6mask=`{ndb/ipquery ip $mev6 ipmask}ip/ipconfig $xdir ether $netdir/ether? add $mev6 $v6maskip/ipconfig $xdir loopback /dev/null add $mev6 /128 ## have gateway? find its v6 address and make it our default route#if (~ $#gw 1) { if (~ $#gwv6 0 || ~ $gwv6 '') { if (~ $#gwlnk 0 || ~ $gwlnk '') gwv6=`{ip/linklocal $gweth} if not gwv6=$gwlnk } nonnil gwv6 # add default v6 route to v6 addr of v4 gw echo add :: /0 $gwv6 >$netdir/iproute # need not be link-local}exit ''
#!/bin/rc
# ipv6on [netdir ndbfile [gwv4]] - configure an interface for ipv6,
# once ipv4 is configured. use ipv6 address from ndb if present,
# else do stateless-autoconfiguration (SLAC).
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
if (~ $#* 2)
# gw=()
gw=`{ndb/ipquery sys $sysname ipgw | sed 's/ipgw=//'}
if not
gw=$3
}
if (~ $netdir /net) {
xsfx=()
xdir=()
}
if not {
xsfx=(-x `{echo $netdir | sed 's;^/net;;'})
xdir=(-x $netdir)
}
fn nonnil { # variable
if (~ $#$1 0) {
echo ipv6on: no ip for $1 >[1=2]
exit no-ip
}
if (! ~ $#$1 1) {
echo ipv6on: multiple ips for $1 >[1=2]
exit multiple-ips
}
}
#
# configure v6 for link-local addresses (fe80::) & multicast (ff02::).
# accept router advertisements.
#
if (! ip/ipconfig -6 $xdir ether $netdir/ether?)
exit 'ipconfig -6 failed'
ip/ipconfig $xdir ether $netdir/ether? ra6 recvra 1
# lookup any v6 address for me in ndb
mev6=`{ndb/query -f $ndbf sys $sysname ipv6}
if (~ $#sysname 0 || ~ $sysname '')
mev6=`{ndb/query -f $ndbf sys $sysname ip | grep :}
# for testing
mylnk=`{ip/linklocal `{cat $netdir/ether?/addr}}
nonnil mylnk
#
# have gateway? try to map to a v6 address; get eui-64 of v4's mac
#
if (~ $#gw 1) {
if (~ $gw [0-9]*.[0-9]*.[0-9]*.[0-9]*) # is it v4?
gwv4 = $gw
if (~ $#gwv4 0 || ~ $gwv4 '')
gwv4=`{ndb/query -f $ndbf sys $gw ip}
gwv6=`{ndb/query -f $ndbf sys $gw ipv6}
if (! ~ $#gwv4 0) { # have v4 gateway?
# echo ping gw $gwv4...
# load arp cache with gw mac
ip/ping -qn 3 $netdir/icmp!$gwv4 >/dev/null >[2=1] &
sleep 1 # wait briefly for ping
# get v4 gateway's mac
gweth=`{grep '* '^$gwv4^' ' $netdir/arp | awk '{print $4}' }
nonnil gweth >[2]/dev/null # don't frighten users
gwlnk=`{ip/linklocal $gweth} # get mac's eui-64
nonnil gwlnk >[2]/dev/null
}
}
nonnil mev6
#
# configure my global v6 addresses
#
v6mask=`{ndb/ipquery ip $mev6 ipmask}
ip/ipconfig $xdir ether $netdir/ether? add $mev6 $v6mask
ip/ipconfig $xdir loopback /dev/null add $mev6 /128
#
# have gateway? find its v6 address and make it our default route
#
if (~ $#gw 1) {
if (~ $#gwv6 0 || ~ $gwv6 '') {
if (~ $#gwlnk 0 || ~ $gwlnk '')
gwv6=`{ip/linklocal $gweth}
if not
gwv6=$gwlnk
}
nonnil gwv6
# add default v6 route to v6 addr of v4 gw
echo add :: /0 $gwv6 >$netdir/iproute # need not be link-local
}
exit ''