395 lines
10 KiB
Bash
Executable File
395 lines
10 KiB
Bash
Executable File
#!/bin/bash
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#
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# .---. . .
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# | | |
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# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
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# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
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# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
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#
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# Freedom in the Cloud
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#
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# Used to enable or disable batman mesh protocol on wlanX
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#
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# License
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# =======
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#
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# Copyright (C) 2015-2018 Bob Mottram <bob@freedombone.net>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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PROJECT_NAME='freedombone'
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COMPLETION_FILE=/root/${PROJECT_NAME}-completed.txt
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# hotspot passphrase must be 5 characters or longer
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HOTSPOT_PASSPHRASE="${PROJECT_NAME}"
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source /usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-wifi
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source /usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-mesh
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mesh_protocol_init
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update_wifi_adaptors
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if [ ! $IFACE ]; then
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echo $'No wlan adaptor'
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exit 0
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fi
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if [ -e /etc/default/batctl ]; then
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. /etc/default/batctl
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fi
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function status {
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batctl o
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if grep -q "bmx6" $MESH_CURRENT_PROTOCOL; then
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bmx6 -c show=originators
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fi
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if grep -q "bmx7" $MESH_CURRENT_PROTOCOL; then
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bmx7 -c show=originators
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fi
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}
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function stop {
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if [ ! -f $MESH_CURRENT_PROTOCOL ]; then
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return
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fi
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if [ -z "$IFACE" ]; then
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echo 'error: unable to find wifi interface, not enabling batman-adv mesh'
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return
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fi
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systemctl stop bmx6
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systemctl stop bmx7
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systemctl stop olsr2
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systemctl stop babel
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systemctl disable bmx6
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systemctl disable bmx7
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systemctl disable olsr2
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systemctl disable babel
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systemctl stop dnsmasq
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systemctl disable dnsmasq
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if [ "$EIFACE" ]; then
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brctl delif $BRIDGE bat0
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ifconfig $BRIDGE down || true
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ethernet_connected=$(cat /sys/class/net/$EIFACE/carrier)
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if [[ "$ethernet_connected" != "0" ]]; then
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systemctl stop hostapd
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brctl delif $BRIDGE $EIFACE
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ifconfig $EIFACE down -promisc
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fi
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brctl delbr $BRIDGE
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fi
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ifconfig bat0 down -promisc
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batctl if del $IFACE
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ifconfig $IFACE mtu 1500
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ifconfig $IFACE down
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iwconfig $IFACE mode managed
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if [ $IFACE_SECONDARY ]; then
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systemctl stop hostapd
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systemctl disable hostapd
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batctl if del $IFACE_SECONDARY
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ifconfig $IFACE_SECONDARY mtu 1500
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ifconfig $IFACE_SECONDARY down
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iwconfig $IFACE_SECONDARY mode managed
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fi
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rmmod batman-adv
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disable_mesh_firewall
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systemctl restart network-manager
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if [ -f $MESH_CURRENT_PROTOCOL ]; then
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rm $MESH_CURRENT_PROTOCOL
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fi
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}
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function verify {
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tempfile="$(mktemp)"
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batctl o > $tempfile
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if grep -q "disabled" $tempfile; then
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echo $'B.A.T.M.A.N. not enabled'
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rm $tempfile
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stop
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exit 726835
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fi
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echo $'B.A.T.M.A.N. is running'
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rm $tempfile
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}
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function add_wifi_interface {
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ifname=$1
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ifssid=$WIFI_SSID
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if [ $2 ]; then
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ifssid=$2
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fi
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ifmode=ad-hoc
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if [ $3 ]; then
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ifmode=$3
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fi
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ifchannel=$CHANNEL
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if [ $4 ]; then
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ifchannel=$4
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fi
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ifconfig $ifname down
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ifconfig $ifname mtu 1532
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peermac=$(assign_peer_address)
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if [ ! $peermac ]; then
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echo $"Unable to obtain MAC address for $peermac on $ifname"
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return
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fi
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ifconfig $ifname hw ether $peermac
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echo $"$ifname assigned MAC address $peermac"
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iwconfig $ifname enc off
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iwconfig $ifname mode $ifmode essid $ifssid channel $ifchannel
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batctl if add $ifname
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ifconfig $ifname up
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}
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function start {
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update_wifi_adaptors
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if [ -z "$IFACE" ] ; then
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echo 'error: unable to find wifi interface, not enabling batman-adv mesh'
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exit 723657
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fi
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echo "info: enabling batman-adv mesh network $WIFI_SSID on $IFACE"
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stop
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systemctl stop network-manager
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sleep 5
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systemctl stop dnsmasq
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systemctl disable dnsmasq
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# remove an avahi service which isn't used
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if [ -f /etc/avahi/services/udisks.service ]; then
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sudo rm /etc/avahi/services/udisks.service
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fi
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global_rate_limit
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# Might have to re-enable wifi
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rfkill unblock $(rfkill list|awk -F: "/phy/ {print $1}") || true
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secondary_wifi_available=
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if [ $IFACE_SECONDARY ]; then
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if [[ $IFACE != $IFACE_SECONDARY ]]; then
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if [ -d /etc/hostapd ]; then
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if [ ${#HOTSPOT_PASSPHRASE} -gt 4 ]; then
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secondary_wifi_available=1
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else
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echo $'Hotspot passphrase is too short'
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fi
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fi
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fi
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fi
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modprobe batman-adv
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# avahi on ipv6
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sed -i 's|use-ipv4=.*|use-ipv4=no|g' /etc/avahi/avahi-daemon.conf
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sed -i 's|use-ipv6=.*|use-ipv6=yes|g' /etc/avahi/avahi-daemon.conf
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sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx6 dev=${IFACE}|g" /etc/systemd/system/bmx6.service
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sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx7 dev=${IFACE}|g" /etc/systemd/system/bmx7.service
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sed -i "s|ExecStart=.*|ExecStart=/usr/local/sbin/olsrd2_static ${IFACE}|g" /etc/systemd/system/olsr2.service
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sed -i "s|ExecStart=.*|ExecStart=/usr/local/bin/babeld ${IFACE}|g" /etc/systemd/system/babel.service
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systemctl daemon-reload
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add_wifi_interface $IFACE $WIFI_SSID ad-hoc $CHANNEL
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# NOTE: Don't connect the secondary wifi device. hostapd will handle that by itself
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ifconfig bat0 up promisc
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brctl addbr $BRIDGE
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brctl addif $BRIDGE bat0
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ifconfig bat0 0.0.0.0
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ethernet_connected='0'
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if [ "$EIFACE" ] ; then
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ethernet_connected=$(cat /sys/class/net/$EIFACE/carrier)
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if [[ "$ethernet_connected" != "0" ]]; then
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echo $'Trying ethernet bridge to the internet'
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brctl addif $BRIDGE $EIFACE
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ifconfig $EIFACE 0.0.0.0
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ifconfig $EIFACE up promisc
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echo $'End of ethernet bridge'
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sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx6 dev=${IFACE} dev=${EIFACE}|g" /etc/systemd/system/bmx6.service
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sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx7 dev=${IFACE} dev=${EIFACE}|g" /etc/systemd/system/bmx7.service
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sed -i "s|ExecStart=.*|ExecStart=/usr/local/sbin/olsrd2_static ${IFACE} ${EIFACE}|g" /etc/systemd/system/olsr2.service
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sed -i "s|ExecStart=.*|ExecStart=/usr/local/bin/babeld ${IFACE} ${EIFACE}|g" /etc/systemd/system/babel.service
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systemctl daemon-reload
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else
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echo $"$EIFACE is not connected"
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fi
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fi
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ifconfig $BRIDGE up
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dhclient $BRIDGE
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enable_mesh_seconary_wifi
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enable_mesh_firewall
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enable_mesh_scuttlebot
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enable_mesh_tor
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sed -i "s|server_name .*|server_name ${HOSTNAME}.local;|g" /etc/nginx/sites-available/git_ssb
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systemctl restart nginx
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if [ ! -f $MESH_DEFAULT_PROTOCOL ]; then
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echo 'bmx6' > $MESH_DEFAULT_PROTOCOL
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fi
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if grep -q "bmx6" $MESH_DEFAULT_PROTOCOL; then
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systemctl enable bmx6
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systemctl restart bmx6
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sed -i 's|<type>.*|<type>_bmx6._tcp</type>|g' /etc/avahi/services/routing.service
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fi
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if grep -q "bmx7" $MESH_DEFAULT_PROTOCOL; then
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systemctl enable bmx7
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systemctl restart bmx7
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sed -i 's|<type>.*|<type>_bmx7._tcp</type>|g' /etc/avahi/services/routing.service
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fi
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if grep -q "olsr" $MESH_DEFAULT_PROTOCOL; then
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IFACE=$(cat /etc/systemd/system/olsr2.service | grep ExecStart | awk -F ' ' '{print $2}')
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mesh_generate_ipv6_address $IFACE
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systemctl enable olsr2
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systemctl restart olsr2
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sed -i 's|<type>.*|<type>_olsr2._tcp</type>|g' /etc/avahi/services/routing.service
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fi
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if grep -q "babel" $MESH_DEFAULT_PROTOCOL; then
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IFACE=$(cat /etc/systemd/system/babel.service | grep ExecStart | awk -F ' ' '{print $2}')
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mesh_generate_ipv6_address $IFACE
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systemctl enable babel
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systemctl restart babel
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sed -i 's|<type>.*|<type>_babel._tcp</type>|g' /etc/avahi/services/routing.service
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fi
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systemctl restart avahi-daemon
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verify
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echo "$(cat $MESH_DEFAULT_PROTOCOL)" > $MESH_CURRENT_PROTOCOL
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}
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function monitor {
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if [ -z "$IFACE" ] ; then
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echo 'error: unable to find wifi interface, not enabling batman-adv mesh'
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exit 723657
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fi
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clear
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echo ''
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echo $'*** Stopping network ***'
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echo ''
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stop
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echo "info: monitoring mesh network $WIFI_SSID on $IFACE"
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systemctl stop network-manager
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sleep 5
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clear
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echo ''
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echo $'*** Setting firewall rate limit ***'
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echo ''
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global_rate_limit
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clear
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echo ''
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echo $'*** Enabling wifi adaptor in monitor mode ***'
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echo ''
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# Might have to re-enable wifi
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rfkill unblock $(rfkill list|awk -F: "/phy/ {print $1}") || true
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ifconfig $IFACE down
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ifconfig $IFACE mtu 1532
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ifconfig $IFACE hw ether $(assign_peer_address)
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iwconfig $IFACE enc off
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iwconfig $IFACE mode monitor channel $CHANNEL
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sleep 1
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iwconfig $IFACE ap $CELLID
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modprobe batman-adv
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batctl if add $IFACE
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ifconfig $IFACE up
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horst -i $IFACE
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clear
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echo ''
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echo $'*** Restarting the network daemon. This may take a while. ***'
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echo ''
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start
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}
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if ! grep -q "$IFACE" /proc/net/dev; then
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echo 'Interface $IFACE was not found'
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stop
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exit 1
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fi
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case "$1" in
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start|stop|status|monitor)
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$1
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;;
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restart)
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clear
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echo ''
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echo $'*** Stopping mesh network connection ***'
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echo ''
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stop
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sleep 10
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clear
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echo ''
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echo $'*** Starting mesh network connection ***'
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echo ''
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start
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;;
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ping)
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batctl ping $2
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;;
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data)
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watch -n1 "batctl s | grep mgmt | grep bytes"
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;;
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ls|list)
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avahi-browse -atl
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;;
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*)
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echo "error: invalid parameter $1"
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echo 'usage: $0 {start|stop|restart|status|ping|ls|list}'
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exit 2
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;;
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esac
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exit 0
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