Add babel mesh routing protocol

src/freedombone-image-customise

@@ -125,6 +125,9 @@ ENABLE_ZERONET=
 
 MESH_TEXT_EDITOR='pluma'
 
+BABEL_REPO="https://github.com/jech/babeld"
+BABEL_COMMIT='d9390d1fee337c464e67255bbbd879d975e126e2'
+
 OLSR2_REPO="https://github.com/OLSR/OONF"
 OLSR2_COMMIT='81033251c4ee1c5699bfee9d2985112c6266ab0a'
 
@@ -671,6 +674,42 @@ mesh_shutdown_script() {
     chroot "$rootdir" systemctl enable meshshutdown
 }
 
+install_babel() {
+    git clone $BABEL_REPO $rootdir/etc/babel
+
+    cat <<EOF > $rootdir/usr/bin/install_babel
+#!/bin/bash
+cd /etc/babel
+git checkout $BABEL_COMMIT -b $BABEL_COMMIT
+cd /etc/babel
+make
+make install
+EOF
+    chroot "$rootdir" chmod +x /usr/bin/install_babel
+    chroot "$rootdir" /usr/bin/install_babel
+
+    if [ ! -f $rootdir/usr/local/bin/babeld ]; then
+        echo $'Unable to build Babel'
+        exit 52382524
+    fi
+
+    rm $rootdir/usr/bin/install_babel
+
+    echo '[Unit]' > $rootdir/etc/systemd/system/babel.service
+    echo 'Description=Babel mesh routing protocol' >> $rootdir/etc/systemd/system/babel.service
+    echo 'Requires=network.target' >> $rootdir/etc/systemd/system/babel.service
+    echo 'After=network.target' >> $rootdir/etc/systemd/system/babel.service
+    echo '' >> $rootdir/etc/systemd/system/babel.service
+    echo '[Service]' >> $rootdir/etc/systemd/system/babel.service
+    echo 'User=root' >> $rootdir/etc/systemd/system/babel.service
+    echo 'Group=root' >> $rootdir/etc/systemd/system/babel.service
+    echo 'ExecStart=/usr/local/bin/babeld wlan0' >> $rootdir/etc/systemd/system/babel.service
+    echo 'Restart=on-failure' >> $rootdir/etc/systemd/system/babel.service
+    echo '' >> $rootdir/etc/systemd/system/babel.service
+    echo '[Install]' >> $rootdir/etc/systemd/system/babel.service
+    echo 'WantedBy=multi-user.target' >> $rootdir/etc/systemd/system/babel.service
+}
+
 install_olsr2() {
     chroot "$rootdir" apt-get -yq install cmake libnl-3-dev
 
@@ -896,6 +935,7 @@ initialise_mesh() {
     install_bmx6
     install_bmx7
     install_olsr2
+    install_babel
     mesh_shutdown_script
     install_vpn
     install_tomb

src/freedombone-image-mesh

@@ -1456,6 +1456,10 @@ if [ -f $MESH_INSTALL_SETUP ]; then
     systemctl disable olsr2
     echo $'OLSR2 disabled' >> $INSTALL_LOG
 
+    systemctl stop babel
+    systemctl disable babel
+    echo $'Babel disabled' >> $INSTALL_LOG
+
     #tomb slam all
     tmp_ram_disk 100
     enable_predictable_device_names

src/freedombone-mesh-batman

@@ -73,9 +73,11 @@ function stop {
     systemctl stop bmx6
     systemctl stop bmx7
     systemctl stop olsr2
+    systemctl stop babel
     systemctl disable bmx6
     systemctl disable bmx7
     systemctl disable olsr2
+    systemctl disable babel
     systemctl stop dnsmasq
     systemctl disable dnsmasq
 
@@ -210,6 +212,7 @@ function start {
     sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx6 dev=${IFACE}|g" /etc/systemd/system/bmx6.service
     sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx7 dev=${IFACE}|g" /etc/systemd/system/bmx7.service
     sed -i "s|ExecStart=.*|ExecStart=/usr/local/sbin/olsrd2_static ${IFACE}|g" /etc/systemd/system/olsr2.service
+    sed -i "s|ExecStart=.*|ExecStart=/usr/local/bin/babeld ${IFACE}|g" /etc/systemd/system/babel.service
     systemctl daemon-reload
 
     add_wifi_interface $IFACE $WIFI_SSID ad-hoc $CHANNEL
@@ -234,6 +237,7 @@ function start {
             sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx6 dev=${IFACE} dev=${EIFACE}|g" /etc/systemd/system/bmx6.service
             sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx7 dev=${IFACE} dev=${EIFACE}|g" /etc/systemd/system/bmx7.service
             sed -i "s|ExecStart=.*|ExecStart=/usr/local/sbin/olsrd2_static ${IFACE} ${EIFACE}|g" /etc/systemd/system/olsr2.service
+            sed -i "s|ExecStart=.*|ExecStart=/usr/local/bin/babeld ${IFACE} ${EIFACE}|g" /etc/systemd/system/babel.service
             systemctl daemon-reload
         else
             echo $"$EIFACE is not connected"
@@ -270,11 +274,23 @@ function start {
     fi
 
     if grep -q "olsr" $MESH_DEFAULT_PROTOCOL; then
+        IFACE=$(cat /etc/systemd/system/olsr2.service | grep ExecStart | awk -F ' ' '{print $2}')
+        mesh_generate_ipv6_address $IFACE
+
         systemctl enable olsr2
         systemctl restart olsr2
         sed -i 's|<type>.*|<type>_olsr2._tcp</type>|g' /etc/avahi/services/routing.service
     fi
 
+    if grep -q "babel" $MESH_DEFAULT_PROTOCOL; then
+        IFACE=$(cat /etc/systemd/system/babel.service | grep ExecStart | awk -F ' ' '{print $2}')
+        mesh_generate_ipv6_address $IFACE
+
+        systemctl enable babel
+        systemctl restart babel
+        sed -i 's|<type>.*|<type>_babel._tcp</type>|g' /etc/avahi/services/routing.service
+    fi
+
     systemctl restart avahi-daemon
 
     verify

src/freedombone-mesh-routing

@@ -34,10 +34,24 @@ export TEXTDOMAINDIR="/usr/share/locale"
 source /usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-wifi
 source /usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-mesh
 
+clear
+echo ''
+echo $'Scanning for BMX6 protocol...'
 bmx6_peers=$(avahi-browse -at | grep routing | grep bmx6 | wc -l)
+
+clear
+echo ''
+echo $'Scanning for OLSR2 protocol...'
 olsr2_peers=$(avahi-browse -at | grep routing | grep olsr2 | wc -l)
 
-data=$(zenity --list 1 $"BMX6 ($bmx6_peers)" 2 $"OLSR2 ($olsr2_peers)" $"Select Mesh Protocol" --column="id" --title $"Mesh Protocol" --column=$"Choose the mesh protocol:" --hide-column=1 --print-column=1 --height=150)
+clear
+echo ''
+echo $'Scanning for Babel protocol...'
+babel_peers=$(avahi-browse -at | grep routing | grep babel | wc -l)
+
+clear
+
+data=$(zenity --list 1 $"BMX6 ($bmx6_peers)" 2 $"OLSR2 ($olsr2_peers)" 3 $"Babel ($babel_peers)" $"Select Mesh Protocol" --column="id" --title $"Mesh Protocol" --column=$"Choose the mesh protocol:" --hide-column=1 --print-column=1 --height=150)
 
 sel=$?
 case $sel in
@@ -71,9 +85,23 @@ case $data in
         sudo systemctl disable bmx7
         sudo systemctl stop bmx6
         sudo systemctl disable bmx6
+        IFACE=$(cat /etc/systemd/system/olsr2.service | grep ExecStart | awk -F ' ' '{print $2}')
+        mesh_generate_ipv6_address $IFACE
         sudo systemctl enable olsr2
         sudo systemctl start olsr2
         ;;
+    3)  sudo /tmp/change_routing 'babel'
+        sudo systemctl stop bmx7
+        sudo systemctl disable bmx7
+        sudo systemctl stop bmx6
+        sudo systemctl disable bmx6
+        sudo systemctl stop olsr2
+        sudo systemctl disable olsr2
+        IFACE=$(cat /etc/systemd/system/babel.service | grep ExecStart | awk -F ' ' '{print $2}')
+        mesh_generate_ipv6_address $IFACE
+        sudo systemctl enable babel
+        sudo systemctl start babel
+        ;;
 esac
 
 rm /tmp/change_routing

src/freedombone-utils-mesh

@@ -32,6 +32,28 @@
 MESH_CURRENT_PROTOCOL=/root/.mesh_protocol
 MESH_DEFAULT_PROTOCOL=/root/.mesh_protocol_default
 
+function mesh_generate_ipv6_address {
+    network=fd66:66:66
+
+    if [ $1 ]; then
+        search_ipv6=$(ifconfig $1 | grep $network)
+        if [ $search_ipv6 ]; then
+            result=$(ifconfig $1 | grep $network | awk -F ' ' '{print $2}')
+            ip -6 addr add ${result}/128 dev wlan0
+            return
+        fi
+    fi
+
+    ipv6_array=( 1 2 3 4 5 6 7 8 9 0 a b c d e f )
+    a=${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}
+    b=${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}
+    c=${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}
+    d=${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}
+    e=${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}${ipv6_array[$RANDOM%16]}
+    result=$network:$a:$b:$c:$d:$e
+    ip -6 addr add ${result}/128 dev $1
+}
+
 function mesh_protocol_init {
     if [[ $1 == "start" ]]; then
         # install avahi