From 1842f045779381294be4a72e801f322ca21f86b2 Mon Sep 17 00:00:00 2001 From: Bob Mottram Date: Sun, 28 Jun 2015 21:26:42 +0100 Subject: [PATCH] Moving batman to ipv6 --- src/freedombone | 79 ++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 62 insertions(+), 17 deletions(-) diff --git a/src/freedombone b/src/freedombone index bc2de0d4..0f23df70 100755 --- a/src/freedombone +++ b/src/freedombone @@ -79,6 +79,9 @@ MINIMUM_PASSWORD_LENGTH=10 # number of CPU cores CPU_CORES=1 +# If the system is on an IPv6 network +IPV6_NETWORK='2001:470:26:307' + # The static IP address of the system within the local network LOCAL_NETWORK_STATIC_IP_ADDRESS="192.168.1.60" @@ -376,7 +379,7 @@ CJDNS_PORT= # B.A.T.M.A.N settings ENABLE_BATMAN="no" -BATMAN_IP='10.47.254.254' +BATMAN_IPV6= function show_help { echo '' @@ -713,6 +716,9 @@ function read_configuration { fi if [ -f $CONFIGURATION_FILE ]; then + if grep -q "IPV6_NETWORK" $CONFIGURATION_FILE; then + IPV6_NETWORK=$(grep "IPV6_NETWORK" $CONFIGURATION_FILE | awk -F '=' '{print $2}') + fi if grep -q "HWRNG_TYPE" $CONFIGURATION_FILE; then HWRNG_TYPE=$(grep "HWRNG_TYPE" $CONFIGURATION_FILE | awk -F '=' '{print $2}') fi @@ -808,8 +814,8 @@ function read_configuration { if grep -q "ENABLE_BATMAN" $CONFIGURATION_FILE; then ENABLE_BATMAN=$(grep "ENABLE_BATMAN" $CONFIGURATION_FILE | awk -F '=' '{print $2}') fi - if grep -q "BATMAN_IP" $CONFIGURATION_FILE; then - BATMAN_IP=$(grep "BATMAN_IP" $CONFIGURATION_FILE | awk -F '=' '{print $2}') + if grep -q "BATMAN_IPV6" $CONFIGURATION_FILE; then + BATMAN_IPV6=$(grep "BATMAN_IPV6" $CONFIGURATION_FILE | awk -F '=' '{print $2}') fi if grep -q "ENABLE_CJDNS" $CONFIGURATION_FILE; then ENABLE_CJDNS=$(grep "ENABLE_CJDNS" $CONFIGURATION_FILE | awk -F '=' '{print $2}') @@ -1202,6 +1208,15 @@ function get_cjdns_password { fi } +function enable_ipv6 { + # endure that ipv6 is enabled and can route + sed -i 's/net.ipv6.conf.all.disable_ipv6.*/net.ipv6.conf.all.disable_ipv6 = 0/g' /etc/sysctl.conf + #sed -i "s/net.ipv6.conf.all.accept_redirects.*/net.ipv6.conf.all.accept_redirects = 1/g" /etc/sysctl.conf + #sed -i "s/net.ipv6.conf.all.accept_source_route.*/net.ipv6.conf.all.accept_source_route = 1/g" /etc/sysctl.conf + sed -i "s/net.ipv6.conf.all.forwarding.*/net.ipv6.conf.all.forwarding=1/g" /etc/sysctl.conf + echo 1 > /proc/sys/net/ipv6/conf/all/forwarding +} + function mesh_cjdns { if grep -Fxq "mesh_cjdns" $COMPLETION_FILE; then return @@ -1282,12 +1297,7 @@ function mesh_cjdns { CJDNS_PORT=$(cat /etc/cjdns/cjdroute.conf | grep '"bind": "0.0.0.0:' | awk -F '"' '{print $4}' | awk -F ':' '{print $2}' | sed -n 1p) fi - # endure that ipv6 is enabled and can route - sed -i 's/net.ipv6.conf.all.disable_ipv6.*/net.ipv6.conf.all.disable_ipv6 = 0/g' /etc/sysctl.conf - #sed -i "s/net.ipv6.conf.all.accept_redirects.*/net.ipv6.conf.all.accept_redirects = 1/g" /etc/sysctl.conf - #sed -i "s/net.ipv6.conf.all.accept_source_route.*/net.ipv6.conf.all.accept_source_route = 1/g" /etc/sysctl.conf - sed -i "s/net.ipv6.conf.all.forwarding.*/net.ipv6.conf.all.forwarding=1/g" /etc/sysctl.conf - echo 1 > /proc/sys/net/ipv6/conf/all/forwarding + enable_ipv6 echo '#!/bin/sh -e' > /etc/init.d/cjdns echo '### BEGIN INIT INFO' >> /etc/init.d/cjdns @@ -1411,7 +1421,7 @@ function mesh_cjdns { exit 4395 fi - if ! grep -q "# Mesh network cjdns" /etc/network/interfaces; then + if ! grep -q "# Mesh Networking (cjdns)" /etc/network/interfaces; then echo '' >> /etc/network/interfaces echo '# Mesh Networking (cjdns)' >> /etc/network/interfaces echo 'iface eth0 inet6 static' >> /etc/network/interfaces @@ -1510,6 +1520,16 @@ function mesh_cjdns_tools { echo 'mesh_cjdns_tools' >> $COMPLETION_FILE } +function get_batman_ipv6_address { + if [ -f /home/$MY_USERNAME/README ]; then + if grep -q "BATMAN IPv6 address" /home/$MY_USERNAME/README; then + if [ ! $BATMAN_IPV6 ]; then + BATMAN_IPV6=$(cat /home/$MY_USERNAME/README | grep "BATMAN IPv6 address" | awk -F ':' '{print $2}' | sed 's/^ *//') + fi + fi + fi +} + function mesh_batman { # https://sudoroom.org/wiki/Mesh/Relay_setup # also see http://www.netlore.co.uk/airmesh/ @@ -1544,12 +1564,30 @@ function mesh_batman { echo 'l2tp_netlink' >> /etc/modules fi - if ! grep -q "Mesh Networking (B.A.T.M.A.N)" /etc/network/interfaces; then + get_batman_ipv6_address + + # If no address has been given then create a ramdom one + if [ ! $BATMAN_IPV6 ]; then + hexarray=( 1 2 3 4 5 6 7 8 9 0 a b c d e f ) + a=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]} + b=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]} + c=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]} + d=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]} + BATMAN_IPV6="$IPV6_NETWORK:$a:$b:$c:$d" + fi + + if ! grep -q "# Mesh Networking (B.A.T.M.A.N)" /etc/network/interfaces; then echo '' >> /etc/network/interfaces echo '# Mesh Networking (B.A.T.M.A.N)' >> /etc/network/interfaces - echo 'iface bat0 inet static' >> /etc/network/interfaces - echo " address $BATMAN_IP" >> /etc/network/interfaces - echo ' netmask 255.0.0.0' >> /etc/network/interfaces + echo 'iface bat0 inet6 static' >> /etc/network/interfaces + echo ' pre-up modprobe ipv6' >> /etc/network/interfaces + echo " address $BATMAN_IPV6" >> /etc/network/interfaces + echo ' netmask 64' >> /etc/network/interfaces + service networking restart + if [ ! "$?" = "0" ]; then + systemctl status networking.service + exit 6949 + fi fi apt-get -y install iproute bridge-utils libnetfilter-conntrack3 python-dev libevent-dev ebtables python-pip git @@ -1560,8 +1598,7 @@ function mesh_batman { cd /opt/tunneldigger/broker pip install -r requirements.txt - EXTERNAL_IP=$(TODO) - sed -i 's|address=.*|address=$EXTERNAL_IP|g' l2tp_broker.cfg + sed -i 's|address=.*|address=$BATMAN_IPV6|g' l2tp_broker.cfg sed -i 's|interface=.*|interface=eth0|g' l2tp_broker.cfg sed -i 's|session.up=.*|session.up=/opt/tunneldigger/broker/scripts/up_hook.sh|g' l2tp_broker.cfg @@ -1571,12 +1608,20 @@ function mesh_batman { echo 'ifconfig $INTERFACE up' >> /opt/tunneldigger/broker/scripts/up_hook.sh echo 'batctl if add $INTERFACE' >> /opt/tunneldigger/broker/scripts/up_hook.sh echo 'if [ `cat /sys/class/net/bat0/operstate` != "up" ]; then' >> /opt/tunneldigger/broker/scripts/up_hook.sh - echo " ifconfig bat0 $BATMAN_IP netmask 255.0.0.0 up" >> /opt/tunneldigger/broker/scripts/up_hook.sh + echo " ifconfig bat0 up" >> /opt/tunneldigger/broker/scripts/up_hook.sh echo 'fi' >> /opt/tunneldigger/broker/scripts/up_hook.sh chmod 755 up_hook.sh # TODO make a systemd service to run ./l2tp_broker.py l2tp_broker.cfg + if ! grep -q "Mesh Networking (B.A.T.M.A.N)" /home/$MY_USERNAME/README; then + echo '' >> /home/$MY_USERNAME/README + echo '' >> /home/$MY_USERNAME/README + echo 'Mesh Networking (B.A.T.M.A.N)' >> /home/$MY_USERNAME/README + echo '=============================' >> /home/$MY_USERNAME/README + echo "BATMAN IPv6 address: $BATMAN_IPV6" >> /home/$MY_USERNAME/README + fi + echo 'mesh_batman' >> $COMPLETION_FILE }