From c8c92466bed06f33cdd0df678b5f02d1c32d8d10 Mon Sep 17 00:00:00 2001
From: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Date: Sun, 8 Oct 2017 18:28:54 +0200
Subject: [PATCH] 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>
---
.../fff-hoods/files/usr/sbin/configurehood | 37 +++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/src/packages/fff/fff-hoods/files/usr/sbin/configurehood b/src/packages/fff/fff-hoods/files/usr/sbin/configurehood
index 7d1d5fec..31b3e4ba 100755
--- a/src/packages/fff/fff-hoods/files/usr/sbin/configurehood
+++ b/src/packages/fff/fff-hoods/files/usr/sbin/configurehood
@@ -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
--
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