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-#!/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 BMX6 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) 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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-
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-PROJECT_NAME='freedombone'
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-COMPLETION_FILE=/root/${PROJECT_NAME}-completed.txt
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-
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-# hotspot passphrase must be 5 characters or longer
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-HOTSPOT_PASSPHRASE="${PROJECT_NAME}"
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-
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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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-
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-mesh_protocol_init
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-
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-update_wifi_adaptors
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-
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-if [ ! $IFACE ]; then
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- echo $'No wlan adaptor'
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- exit 0
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-fi
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-
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-function status {
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- bmx6 -cd8
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-}
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-
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-function stop {
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- if [ -z "$IFACE" ]; then
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- echo 'error: unable to find wifi interface, not enabling BMX6 mesh'
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- return
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- fi
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-
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- systemctl stop dnsmasq
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- systemctl disable dnsmasq
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- systemctl stop bmx6
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- systemctl disable bmx6
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-
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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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- systemctl stop hostapd
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- ifconfig $EIFACE down -promisc
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- fi
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- fi
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-
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- ifconfig $IFACE down -promisc
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-
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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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-
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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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- 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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-
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- disable_mesh_firewall
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-
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- systemctl restart network-manager
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-
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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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-
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-function verify {
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- # TODO
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- echo -n ''
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-}
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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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-
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- ifconfig $ifname down
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- ifconfig $ifname mtu 1500
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- peermac=$(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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- #iwconfig wlan0 mode ad-hoc ap 02:ca:ff:ee:ba:be channel 11 essid my-mesh-network
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-
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- ifconfig $ifname up
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-}
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-
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-function start {
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- update_wifi_adaptors
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-
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- if [ -z "$IFACE" ] ; then
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- echo 'error: unable to find wifi interface, not enabling BMX6 mesh'
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- exit 723657
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- fi
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- echo "info: enabling BMX6 mesh network $WIFI_SSID on $IFACE"
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-
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- systemctl stop network-manager
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- sleep 5
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-
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- systemctl stop dnsmasq
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- systemctl disable dnsmasq
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-
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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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-
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- global_rate_limit
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-
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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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-
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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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-
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- add_wifi_interface $IFACE $WIFI_SSID ad-hoc $CHANNEL
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- ifconfig $IFACE up promisc
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-
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- if [ ! $secondary_wifi_available ]; then
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- sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx6 dev=${IFACE}|g" /etc/systemd/system/bmx6.service
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- else
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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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- fi
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-
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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|#disallow-other-stacks=.*|disallow-other-stacks=no|g' /etc/avahi/avahi-daemon.conf
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- sed -i 's|disallow-other-stacks=.*|disallow-other-stacks=no|g' /etc/avahi/avahi-daemon.conf
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- sed -i 's|#publish-a-on-ipv6=.*|publish-a-on-ipv6=yes|g' /etc/avahi/avahi-daemon.conf
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- sed -i 's|publish-a-on-ipv6=.*|publish-a-on-ipv6=yes|g' /etc/avahi/avahi-daemon.conf
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- systemctl restart avahi-daemon
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-
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- systemctl daemon-reload
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- systemctl enable bmx6
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-
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- # NOTE: Don't connect the secondary wifi device. hostapd will handle that by itself
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-
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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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- ifconfig $EIFACE up promisc
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- echo $'End of ethernet bridge'
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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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-
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- enable_mesh_seconary_wifi
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-
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- enable_mesh_firewall
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-
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- systemctl restart avahi-daemon
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-
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- enable_mesh_scuttlebot
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- enable_mesh_tor
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-
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-
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- sed -i "s|server_name .*|server_name ${HOSTNAME}.local;|g" /etc/nginx/sites-available/git_ssb
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-
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- systemctl restart nginx
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- systemctl restart bmx6
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-
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- verify
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-
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- echo "bmx6" > $MESH_CURRENT_PROTOCOL
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-}
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-
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-function monitor {
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- if [ -z "$IFACE" ] ; then
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- echo 'error: unable to find wifi interface, not enabling BMX6 mesh'
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- exit 723657
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- fi
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-
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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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-
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- stop
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-
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- echo "info: monitoring mesh network $WIFI_SSID on $IFACE"
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-
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- systemctl stop network-manager
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- sleep 5
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-
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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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-
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- global_rate_limit
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-
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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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-
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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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-
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- ifconfig $IFACE down
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- ifconfig $IFACE mtu 1500
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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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-
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- ifconfig $IFACE up
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-
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- horst -i $IFACE
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-
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- clear
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- echo ''
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- echo $'*** Restarting the network daemon. This may take a while. ***'
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- echo ''
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-
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- start
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-}
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-
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-if ! grep -q "$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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-
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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 BMX6 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 BMX6 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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- traceroute6 -n -q 1 $2
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- ;;
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- data)
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- bmx6 -lc traffic=$IFACE
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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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Bob Mottram
7 years ago