Beginning of mesh setup

This commit is contained in:
Bob Mottram 2016-01-14 17:45:02 +00:00
parent fed3a049eb
commit a8d6ffa091
3 changed files with 320 additions and 23 deletions

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@ -220,11 +220,11 @@ if [[ $GENERIC_IMAGE == "yes" ]]; then
fi fi
# If this is a mesh variant then create an appropriate script # If this is a mesh variant then create an appropriate script
if [[ $VARIANT == "mesh"* ]]; then #if [[ $VARIANT == "mesh"* ]]; then
CONFIG_FILENAME=/tmp/${PROJECT_NAME}_mesh.cfg #CONFIG_FILENAME=/tmp/${PROJECT_NAME}_mesh.cfg
mesh_router_setup_script $CONFIG_FILENAME #mesh_router_setup_script $CONFIG_FILENAME
DEFAULT_DOMAIN_NAME=$(cat $CONFIG_FILENAME | grep 'DEFAULT_DOMAIN_NAME' | awk -F '=' '{print $2}') #DEFAULT_DOMAIN_NAME=$(cat $CONFIG_FILENAME | grep 'DEFAULT_DOMAIN_NAME' | awk -F '=' '{print $2}')
fi #fi
if [ ! $PASSWORD ]; then if [ ! $PASSWORD ]; then
# generate a random password # generate a random password

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@ -362,30 +362,105 @@ atheros_wifi() {
fi fi
} }
mesh_avahi() {
chroot "$rootdir" apt-get -y install avahi-utils avahi-autoipd avahi-dnsconfd
decarray=( 1 2 3 4 5 6 7 8 9 0 )
PEER_ID=${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}
sed -i "s|#host-name=.*|host-name=P$PEER_ID|g" $rootdir/etc/avahi/avahi-daemon.conf
if [ ! -d $rootdir/etc/avahi/services ]; then
mkdir -p $rootdir/etc/avahi/services
fi
# remove an avahi service which isn't used
if [ -f $rootdir/etc/avahi/services/udisks.service ]; then
rm $rootdir/etc/avahi/services/udisks.service
fi
# Add an ssh service
echo '<?xml version="1.0" standalone="no"?><!--*-nxml-*-->' > $rootdir/etc/avahi/services/ssh.service
echo '<!DOCTYPE service-group SYSTEM "avahi-service.dtd">' >> $rootdir/etc/avahi/services/ssh.service
echo '<service-group>' >> $rootdir/etc/avahi/services/ssh.service
echo ' <name replace-wildcards="yes">%h SSH</name>' >> $rootdir/etc/avahi/services/ssh.service
echo ' <service>' >> $rootdir/etc/avahi/services/ssh.service
echo ' <type>_ssh._tcp</type>' >> $rootdir/etc/avahi/services/ssh.service
echo " <port>$SSH_PORT</port>" >> $rootdir/etc/avahi/services/ssh.service
echo ' </service>' >> $rootdir/etc/avahi/services/ssh.service
echo '</service-group>' >> $rootdir/etc/avahi/services/ssh.service
# keep the daemon running
WATCHDOG_SCRIPT_NAME="keepon"
echo '' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo '# keep avahi daemon running' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo 'AVAHI_RUNNING=$(pgrep avahi-daemon > /dev/null && echo Running)' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo 'if [ ! $AVAHI_RUNNING ]; then' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo ' systemctl start avahi-daemon' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo ' echo -n $CURRENT_DATE >> $LOGFILE' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo ' echo " Avahi daemon restarted" >> $LOGFILE' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo 'fi' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
chmod +x $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
}
function mesh_batman {
chroot "$rootdir" apt-get -y install iproute bridge-utils libnetfilter-conntrack3 batctl
chroot "$rootdir" apt-get -y install python-dev libevent-dev ebtables python-pip git
chroot "$rootdir" apt-get -y install wireless-tools rfkill
if ! grep -q "batman_adv" $rootdir/etc/modules; then
echo 'batman_adv' >> $rootdir/etc/modules
fi
if [ -f /usr/local/bin/${PROJECT_NAME}-mesh-batman ]; then
cp /usr/local/bin/${PROJECT_NAME}-mesh-batman $rootdir/var/lib/batman
else
cp /usr/bin/${PROJECT_NAME}-mesh-batman $rootdir/var/lib/batman
fi
echo '[Unit]' > $rootdir/etc/systemd/system/batman.service
echo 'Description=B.A.T.M.A.N. Advanced' >> $rootdir/etc/systemd/system/batman.service
echo '' >> $rootdir/etc/systemd/system/batman.service
echo '[Service]' >> $rootdir/etc/systemd/system/batman.service
echo 'Type=oneshot' >> $rootdir/etc/systemd/system/batman.service
echo "ExecStart=/var/lib/batman start" >> $rootdir/etc/systemd/system/batman.service
echo "ExecStop=/var/lib/batman stop" >> $rootdir/etc/systemd/system/batman.service
echo 'RemainAfterExit=yes' >> $rootdir/etc/systemd/system/batman.service
echo '' >> $rootdir/etc/systemd/system/batman.service
echo '# Allow time for the server to start/stop' >> $rootdir/etc/systemd/system/batman.service
echo 'TimeoutSec=300' >> $rootdir/etc/systemd/system/batman.service
echo '' >> $rootdir/etc/systemd/system/batman.service
echo '[Install]' >> $rootdir/etc/systemd/system/batman.service
echo 'WantedBy=multi-user.target' >> $rootdir/etc/systemd/system/batman.service
chroot "$rootdir" systemctl enable batman
}
initialise_mesh() { initialise_mesh() {
if [[ $VARIANT != "mesh" ]]; then if [[ $VARIANT != "mesh" ]]; then
return return
fi fi
MESH_SERVICE='mesh-setup.service' mesh_avahi
MESH_SETUP_DAEMON=$rootdir/etc/systemd/system/$MESH_SERVICE mesh_batman
echo '[Unit]' > $MESH_SETUP_DAEMON #MESH_SERVICE='mesh-setup.service'
echo 'Description=Initial mesh router configuration' >> $MESH_SETUP_DAEMON #MESH_SETUP_DAEMON=$rootdir/etc/systemd/system/$MESH_SERVICE
echo 'After=syslog.target' >> $MESH_SETUP_DAEMON
echo 'After=network.target' >> $MESH_SETUP_DAEMON
echo '[Service]' >> $MESH_SETUP_DAEMON
echo 'Type=simple' >> $MESH_SETUP_DAEMON
echo 'User=root' >> $MESH_SETUP_DAEMON
echo 'Group=root' >> $MESH_SETUP_DAEMON
echo 'WorkingDirectory=/root' >> $MESH_SETUP_DAEMON
echo "ExecStart=/usr/local/bin/${PROJECT_NAME}-image-mesh > /var/log/mesh-setup.log" >> $MESH_SETUP_DAEMON
echo '' >> $MESH_SETUP_DAEMON
echo 'TimeoutSec=99999' >> $MESH_SETUP_DAEMON
echo '' >> $MESH_SETUP_DAEMON
echo '[Install]' >> $MESH_SETUP_DAEMON
echo 'WantedBy=multi-user.target' >> $MESH_SETUP_DAEMON
chroot "$rootdir" systemctl enable $MESH_SERVICE #echo '[Unit]' > $MESH_SETUP_DAEMON
#echo 'Description=Initial mesh router configuration' >> $MESH_SETUP_DAEMON
#echo 'After=syslog.target' >> $MESH_SETUP_DAEMON
#echo 'After=network.target' >> $MESH_SETUP_DAEMON
#echo '[Service]' >> $MESH_SETUP_DAEMON
#echo 'Type=simple' >> $MESH_SETUP_DAEMON
#echo 'User=root' >> $MESH_SETUP_DAEMON
#echo 'Group=root' >> $MESH_SETUP_DAEMON
#echo 'WorkingDirectory=/root' >> $MESH_SETUP_DAEMON
#echo "ExecStart=/usr/local/bin/${PROJECT_NAME}-image-mesh > /var/log/mesh-setup.log" >> $MESH_SETUP_DAEMON
#echo '' >> $MESH_SETUP_DAEMON
#echo 'TimeoutSec=99999' >> $MESH_SETUP_DAEMON
#echo '' >> $MESH_SETUP_DAEMON
#echo '[Install]' >> $MESH_SETUP_DAEMON
#echo 'WantedBy=multi-user.target' >> $MESH_SETUP_DAEMON
#chroot "$rootdir" systemctl enable $MESH_SERVICE
} }
# Set to true/false to control if eatmydata is used during build # Set to true/false to control if eatmydata is used during build

222
src/freedombone-mesh-batman Executable file
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@ -0,0 +1,222 @@
#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# Used to enable or disable batman mesh protocol on wlanX
#
# License
# =======
#
# Copyright (C) 2015-2016 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
PROJECT_NAME='freedombone'
COMPLETION_FILE=/root/${PROJECT_NAME}-completed.txt
if [[ $1 == "start" ]]; then
# install avahi
sed -i "s|#host-name=.*|host-name=$(hostname)|g" /etc/avahi/avahi-daemon.conf
sed -i "s|host-name=.*|host-name=$(hostname)|g" /etc/avahi/avahi-daemon.conf
sed -i "s|use-ipv4=.*|use-ipv4=yes|g" /etc/avahi/avahi-daemon.conf
sed -i "s|use-ipv6=.*|use-ipv6=no|g" /etc/avahi/avahi-daemon.conf
sed -i "s|#disallow-other-stacks=.*|disallow-other-stacks=yes|g" /etc/avahi/avahi-daemon.conf
sed -i "s|hosts:.*|hosts: files mdns4_minimal dns mdns4 mdns|g" /etc/nsswitch.conf
fi
# Mesh definition
ESSID=
if ! grep -q "ESSID:" $COMPLETION_FILE; then
ESSID='mesh'
else
ESSID=$(cat $COMPLETION_FILE | grep "ESSID:" | awk -F ':' '{print $2}')
fi
sed -i "s|ESSID:.*|ESSID:${ESSID}|g" $COMPLETION_FILE
CELLID='any'
CHANNEL=
if ! grep -q "Wifi channel:" $COMPLETION_FILE; then
CHANNEL=2
else
CHANNEL=$(cat $COMPLETION_FILE | grep "Wifi channel:" | awk -F ':' '{print $2}')
fi
sed -i "s|Wifi channel:.*|Wifi channel:${CHANNEL}|g" $COMPLETION_FILE
ZERONET_PORT=15441
IPFS_PORT=4001
# Ethernet bridge definition (bridged to bat0)
BRIDGE=br-mesh
IFACE='wlan0'
EIFACE=eth0
if [[ $IFACE == "wlan0" ]]; then
if grep -q "wlan1" /proc/net/dev; then
IFACE=wlan1
fi
fi
if [[ $IFACE == "wlan0" ]]; then
if grep -q "wlan2" /proc/net/dev; then
IFACE=wlan2
fi
fi
if [[ $IFACE == "wlan0" ]]; then
if grep -q "wlan3" /proc/net/dev; then
IFACE=wlan3
fi
fi
if [ -e /etc/default/batctl ]; then
. /etc/default/batctl
fi
start() {
if [ -z "$IFACE" ] ; then
echo 'error: unable to find wifi interface, not enabling batman-adv mesh'
return
fi
echo 'info: enabling batman-adv mesh network $ESSID on $IFACE'
systemctl stop network-manager
sleep 5
# remove an avahi service which isn't used
if [ -f /etc/avahi/services/udisks.service ]; then
sudo rm /etc/avahi/services/udisks.service
fi
# Might have to re-enable wifi
rfkill unblock $(rfkill list|awk -F: "/phy/ {print $1}") || true
ifconfig $IFACE down
ifconfig $IFACE mtu 1532
iwconfig $IFACE enc off
iwconfig $IFACE mode ad-hoc essid $ESSID channel $CHANNEL
sleep 1
iwconfig $IFACE ap $CELLID
modprobe batman-adv
batctl if add $IFACE
ifconfig $IFACE up
avahi-autoipd --force-bind --daemonize --wait $BRIDGE
avahi-autoipd --force-bind --daemonize --wait $IFACE
ifconfig bat0 up promisc
#Use persistent HWAddr
ether_new=$(ifconfig eth0 | grep HWaddr | sed -e "s/.*HWaddr //")
if [ ! -f /var/lib/mesh-node/bat0 ]; then
mkdir /var/lib/mesh-node
echo "${ether_new}" > /var/lib/mesh-node/bat0
else
ether=$(cat /var/lib/mesh-node/bat0)
ifconfig bat0 hw ether ${ether}
fi
if [ "$EIFACE" ] ; then
brctl addbr $BRIDGE
brctl addif $BRIDGE bat0
brctl addif $BRIDGE $EIFACE
ifconfig bat0 0.0.0.0
ifconfig $EIFACE 0.0.0.0
ifconfig $EIFACE up promisc
ifconfig $BRIDGE up
fi
iptables -A INPUT -p tcp --dport 548 -j ACCEPT
iptables -A INPUT -p udp --dport 548 -j ACCEPT
iptables -A INPUT -p tcp --dport 5353 -j ACCEPT
iptables -A INPUT -p udp --dport 5353 -j ACCEPT
iptables -A INPUT -p tcp --dport 5354 -j ACCEPT
iptables -A INPUT -p udp --dport 5354 -j ACCEPT
iptables -A INPUT -p tcp --dport $ZERONET_PORT -j ACCEPT
iptables -A INPUT -p udp --dport $ZERONET_PORT -j ACCEPT
iptables -A INPUT -p tcp --dport $IPFS_PORT -j ACCEPT
systemctl restart avahi-daemon
}
stop() {
if [ -z "$IFACE" ]; then
echo 'error: unable to find wifi interface, not enabling batman-adv mesh'
return
fi
if [ "$EIFACE" ]; then
brctl delif $BRIDGE bat0
brctl delif $BRIDGE $EIFACE
ifconfig $BRIDGE down || true
brctl delbr $BRIDGE
ifconfig $EIFACE down -promisc
fi
avahi-autoipd -k $BRIDGE
avahi-autoipd -k $IFACE
ifconfig bat0 down -promisc
batctl if del $IFACE
rmmod batman-adv
ifconfig $IFACE mtu 1500
ifconfig $IFACE down
iwconfig $IFACE mode managed
iptables -D INPUT -p tcp --dport 548 -j ACCEPT
iptables -D INPUT -p udp --dport 548 -j ACCEPT
iptables -D INPUT -p tcp --dport 5353 -j ACCEPT
iptables -D INPUT -p udp --dport 5353 -j ACCEPT
iptables -D INPUT -p tcp --dport 5354 -j ACCEPT
iptables -D INPUT -p udp --dport 5354 -j ACCEPT
iptables -D INPUT -p tcp --dport $ZERONET_PORT -j ACCEPT
iptables -D INPUT -p udp --dport $ZERONET_PORT -j ACCEPT
iptables -D INPUT -p tcp --dport $IPFS_PORT -j ACCEPT
systemctl restart network-manager
}
if ! grep -q "$IFACE" /proc/net/dev; then
echo 'Interface $IFACE was not found'
stop
exit 1
fi
case "$1" in
start|stop)
$1
;;
restart)
stop
sleep 10
start
;;
status)
batctl o
;;
ping)
batctl ping $2
;;
ls|list)
avahi-browse -atl
;;
*)
echo "error: invalid parameter $1"
echo 'usage: $0 {start|stop|restart|status|ping|ls|list}'
exit 2
;;
esac
exit 0