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Configure the Node a routable IPv6 ULA 

Signed-off-by: Christian Dresel <fff@chrisi01.de>
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Signed-off-by: Tim Niemeyer <tim@tn-x.org>
Tested-by: Christian Dresel <fff@chrisi01.de>
This commit is contained in:
Adrian Schmutzler 2017-10-08 18:28:54 +02:00 committed by Tim Niemeyer
parent 9898e72a98
commit c8c92466be
1 changed files with 37 additions and 0 deletions
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37
src/packages/fff/fff-hoods/files/usr/sbin/configurehood
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@ -181,6 +181,43 @@ if [ -s /tmp/keyxchangev2data ]; then
if hasInternet ; then
sh /usr/sbin/vpn-select
fi
# now we load the prefix from the hoodfile and set this to br-mesh
json_select network
json_get_var prefix ula_prefix
# Set $prefix::MAC as IP
if [ -n "$prefix" ] ; then
prefix="$(echo "$prefix" | sed -e 's,\\,,')"
suffix="$(awk -F: '{ print "0:"$1$2":"$3$4":"$5$6 }' /sys/class/net/br-mesh/address)"
suffix_eui="$(awk -F: '{ printf("%02x%s:%sff:fe%s:%s%s\n", xor(("0x"$1),2), $2, $3, $4, $5, $6) }' /sys/class/net/br-mesh/address)"
addr="$(echo "$prefix" | sed -e 's,/,'$suffix'/,')"
echo $addr | grep -q "::" || addr="$(echo "$addr" | sed -e 's,:[0:]*:,::,')"
addr_eui="$(echo "$prefix" | sed -e 's,/,'$suffix_eui'/,')"
echo $addr_eui | grep -q "::" || addr_eui="$(echo "$addr_eui" | sed -e 's,:[0:]*:,::,')"
for ip in $(ip -6 addr show dev br-mesh | grep inet6 | grep -v -e " $addr" -e " $addr_eui" -e " fe80::" -e " fdff::" | cut -f6 -d " "); do
ip -6 addr del "$ip" dev br-mesh
done
if ! ( ip -6 addr show dev br-mesh | grep -q "$addr" ) ; then
ip -6 addr add "$addr" dev br-mesh
echo "Set ULA address to br-mesh: $addr"
else
echo "Address already set."
fi
# Set $prefix::link-local as IP
if ! ( ip -6 addr show dev br-mesh | grep -q "$addr_eui" ) ; then
ip -6 addr add "$addr_eui" dev br-mesh
echo "Set ULA EUI-64 address to br-mesh: $addr_eui"
else
echo "Address already set."
fi
if ! ( ip -6 route show dev br-mesh | grep -q "fc00::" ) ; then
ip -6 route add fc00::/7 via fe80::1 dev br-mesh
echo "Set ULA route to br-mesh."
else
echo "Route already set."
fi
fi
json_select ".." # back to root
else
echo "We haven't got a file. We do nothing. We try it again in 5 minutes...";
exit 0