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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 BMX7 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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+update_wifi_adaptors
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+
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+if [ ! $IFACE ]; then
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+ echo $'No wlan adaptor'
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+ exit 0
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+fi
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+
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+function status {
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+ bmx7 -c status
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+}
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+
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+function stop {
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+ if [ -z "$IFACE" ]; then
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+ echo 'error: unable to find wifi interface, not enabling BMX7 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 bmx7
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+ systemctl disable bmx7
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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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+ avahi-autoipd -k $BRIDGE
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+ avahi-autoipd -k $IFACE
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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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+
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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 BMX7 mesh'
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+ exit 723657
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+ fi
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+ echo "info: enabling BMX7 mesh network $WIFI_SSID on $IFACE"
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+
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+ mesh_protocol_stop
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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 [ ! $secondary_wifi_available ]; then
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+ sed -i "s|ExecStart=.*|ExecStart=/usr/sbin/bmx7 dev=${IFACE}|g" /etc/systemd/system/bmx7.service
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+ else
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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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+ fi
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+
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+ systemctl daemon-reload
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+ systemctl enable bmx7
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+ systemctl start bmx7
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+
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+ avahi-autoipd --force-bind --daemonize --wait $IFACE
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+
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+ # NOTE: Don't connect the secondary wifi device. hostapd will handle that by itself
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+
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+ ethernet_connected='0'
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+ if [ "$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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+
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+ verify
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+
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+ echo "bmx7" > $MESH_CURRENT_PROTOCOL
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+}
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+
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+function monitor {
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+ if [ -z "$IFACE" ] ; then
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+ echo 'error: unable to find wifi interface, not enabling BMX7 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 BMX7 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 BMX7 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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+ ping $2
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+ ;;
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+ data)
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+ bmx7 -lc traffic=$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 年之前