debian-config-jobs 38.6 KB
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#!/bin/bash
#
# Copyright (c) 2017 Igor Pecovnik, igor.pecovnik@gma**.com
#
# This file is licensed under the terms of the GNU General Public
# License version 2. This program is licensed "as is" without any
# warranty of any kind, whether express or implied.

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[[ -n ${SUDO_USER} ]] && SUDO="sudo "
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function jobs ()
{
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	# Shows box with loading ...
	#
	dialog --backtitle "$BACKTITLE" --title " Please wait " --infobox "\nLoading ${selection,,} submodule ... " 5 $((26+${#selection}))
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	case $1 in

	#-------------------------------------------------------------------------------------------------------------------------------------#


	# Application installer
	#
	"Softy" )
		softy
	;;

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	# Remove BT
	#
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	"BT remove" )
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		debconf-apt-progress -- apt-get -y remove bluetooth bluez bluez-tools
		check_if_installed xserver-xorg && debconf-apt-progress -- apt-get -y remove pulseaudio-module-bluetooth blueman
		debconf-apt-progress -- apt -y -qq autoremove
	;;

	# Enabling BT
	#
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	"BT install" )
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		debconf-apt-progress -- apt-get -y install bluetooth bluez bluez-tools
		check_if_installed xserver-xorg && debconf-apt-progress -- apt-get -y --no-install-recommends install pulseaudio-module-bluetooth blueman
	;;

	# Removing IR
	#
	"Remove IR" )
		debconf-apt-progress -- apt-get -y remove lirc
		debconf-apt-progress -- apt -y -qq autoremove
	;;

	# Enabling IR
	#
	"IR" )
		debconf-apt-progress -- apt-get -y --no-install-recommends install lirc
	;;

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	# Sharing USB ports
	#
	"USB redirector" )
		if [[ -n $(netstat -lnt | awk '$6 == "LISTEN" && $4 ~ ".'32032'"') ]]; then
			[[ -f /usr/local/usb-redirector/uninstall.sh ]] && /usr/local/usb-redirector/uninstall.sh uninstall
			rm -f /usr/local/bin/usbclnt
		else
			TARGET_BRANCH=$BRANCH
			exceptions "$BRANCH"
			IFS='.' read -a array <<< $(uname -r)
			[[ -z $(dpkg -l | grep linux-headers) ]] && debconf-apt-progress -- apt-get -y \
			install linux-headers${TARGET_BRANCH}-${TARGET_FAMILY}
			rm -rf /usr/src/usb-redirector-linux-arm-eabi
			if (( "${array[0]}" == "4" )) && (( "${array[1]}" >= "1" )); then
				wget -qO- http://www.incentivespro.com/usb-redirector-linux-arm-eabi.tar.gz | tar xz -C /usr/src
			else
				wget -qO- https://raw.githubusercontent.com/armbian/build/master/packages/blobs/usb-redirector/usb-redirector-old.tgz \
				| tar xz -C /usr/src
			fi
			cd /usr/src/usb-redirector-linux-arm-eabi/
			./installer.sh install
			sleep 3
			check_port "32032" "USB Redirector"
		fi
	;;


	# Simple CLI monitoring
	#
	"Monitor" )
		clear
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		armbianmonitor -m
		sleep 2
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	;;


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	# Send diagnostics
	#
	"Diagnostics" )
		clear
		armbianmonitor -u
		echo ""
		read -n 1 -s -p "Press any key to continue"
	;;


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	# Control board consumption
	#
	"Consumption" )
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		clear
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		h3consumption
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		echo -e "\nType \e[92m${SUDO}${0##*/}\e[0m to get back\n"
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		exit
	;;


	# Board (fex) settings editor
	#
	"Fexedit" )
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		exec 3>&1
		monitor=$(dialog --print-maxsize 2>&1 1>&3)
		exec 3>&-
		mon_x=$(echo $monitor | awk '{print $2}' | sed 's/,//')
		mon_y=$(echo $monitor | awk '{print $3}' | sed 's/,//')
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		TEMP=$(mktemp -d || exit 1)
		trap "rm -rf \"${TEMP}\" ; exit 0" 0 1 2 3 15
		bin2fex /boot/script.bin ${TEMP}/tempfex.txt >/dev/null 2>&1
		dialog --title "Edit u-boot environment" \
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		--ok-label "Save" --no-collapse --editbox ${TEMP}/tempfex.txt $mon_y 0 2> ${TEMP}/tempfex.out
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		[[ $? = 0 ]] && fex2bin ${TEMP}/tempfex.out /boot/script.bin
	;;


	# Install kernel headers
	#
	"Headers" )
		TARGET_BRANCH=$BRANCH
		exceptions "$BRANCH"
		if [[ -n $(dpkg -l | grep linux-headers) ]]; then
			debconf-apt-progress -- apt-get -y remove linux-headers${TARGET_BRANCH}-${TARGET_FAMILY}
		else
			debconf-apt-progress -- apt-get -y install linux-headers${TARGET_BRANCH}-${TARGET_FAMILY}
		fi
	;;


	# Set the display resolution
	#
	"Display" )
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		# show display modes menu
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		if [[ -f /usr/bin/h3disp ]]; then
			# h3 boards
			get_h3modes
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			dialog --title " Display output type " --colors --help-button --help-label "Cancel" --no-label "DVI" --yes-label "HDMI" \
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			--backtitle "$BACKTITLE" --yesno "\nIn case you use an HDMI-to-DVI converter choose DVI!" 7 57
			output_type=$?
			if [[ $output_type = 0 || $output_type = 1 ]]; then
				if [[ $output_type = 0 ]]; then
					display_cmd="h3disp -m $SCREEN_RESOLUTION";
					else
					display_cmd="h3disp -m $SCREEN_RESOLUTION -d";
				fi

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			fi
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		else
			# a20 boards
			get_a20modes
			display_cmd="sed -i \"s/^disp_mode=.*/disp_mode=$SCREEN_RESOLUTION/\" /boot/armbianEnv.txt";
		fi

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		dialog --title " Display resolution " --colors --no-label "Cancel" --backtitle "$BACKTITLE" --yesno \
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		"\nSwitching to \Z1$SCREEN_RESOLUTION\Z0 and reboot?" 7 42
		if [[ $? = 0 ]]; then
			eval $display_cmd > /dev/null
			reboot
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		fi
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	;;


	#-------------------------------------------------------------------------------------------------------------------------------------#
	#-------------------------------------------------------------------------------------------------------------------------------------#
	#-------------------------------------------------------------------------------------------------------------------------------------#



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	# Select dynamic or edit static IP address
	#
	"IP" )
			# select default interfaces if there is more than one
			select_default_interface
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			dialog --title " IP address assignment " --colors --backtitle "$BACKTITLE" --help-button --help-label "Cancel" \
			--yes-label "DHCP" --no-label "Static" --yesno \
			"\n\Z1DHCP:\Z0   automatic IP asignment by your router or DHCP server\n\n\Z1Static:\Z0 manually fixed IP address" 9 70
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			exitstatus=$?;
			if [[ $exitstatus = 0 ]]; then
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				create_if_config "$DEFAULT_ADAPTER" "$DEFAULT_ADAPTER" "dynamic" > /etc/network/interfaces
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			fi
			if [[ $exitstatus = 1 ]]; then
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				create_if_config "$DEFAULT_ADAPTER" "$DEFAULT_ADAPTER" "fixed" > /dev/null
				ip_editor "$DEFAULT_ADAPTER" "$DEFAULT_ADAPTER" "/etc/network/interfaces"
			fi
	;;

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	# Connect to wireless access point
	#
	"Iperf3" )
			# disable AP mode on certain adapters
			if pgrep -x "iperf3" > /dev/null
			then
				pkill iperf3
			else
				iperf3 -s -D
			fi
	;;
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	# Connect to wireless access point
	#
	"WiFi" )
			# disable AP mode on certain adapters
			wlan_exceptions "off"
			nmtui-connect
	;;

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	# Connect to wireless access point
	#
	"Clear" )
			# remove managed interfaces
			systemctl daemon-reload
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			sed 's/interface-name:wl.*//' -i /etc/NetworkManager/conf.d/10-ignore-interfaces.conf
			sed 's/,$//' -i /etc/NetworkManager/conf.d/10-ignore-interfaces.conf
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			rm -f /etc/network/interfaces.d/armbian.ap.nat
			rm -f /etc/network/interfaces.d/armbian.ap.bridge
			reload-nety
	;;


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	# Create WiFi access point
	#
	"Hotspot" )
		systemctl daemon-reload
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		CURRENT_UUID=$(nmcli -f DEVICE,TYPE,STATE device status | grep -w " wifi " | grep -w " disconnected")
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		if [[ -n $(service hostapd status | grep -w active | grep -w running) ]]; then
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			if [[ -n $HOSTAPDBRIDGE ]]; then
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				dialog --title " Hostapd service is running " --colors --backtitle "$BACKTITLE" --help-button \
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				--help-label "Cancel" --yes-label "Stop and reboot" --no-label "Edit" --yesno \
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				"\n\Z1Stop:\Z0 stop and reboot\n\n\Z1Edit:\Z0 change basic parameters: SSID, password and channel" 9 70
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			else
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				dialog --title " Hostapd service is running " --colors --backtitle "$BACKTITLE" --help-button \
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				--help-label "Cancel" --yes-label  "Stop" --no-label "Edit" --yesno \
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				"\n\Z1Stop:\Z0 stop providing Access Point\n\n\Z1Edit:\Z0 change basic parameters: SSID, password and channel" 9 70
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			fi
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			exitstatus=$?;
			if [[ $exitstatus = 0 ]]; then
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				dialog --backtitle "$BACKTITLE" --title " Please wait " --infobox "\nDisabling hotstop. Please wait!" 5 35
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				sed -i "s/^DAEMON_CONF=.*/DAEMON_CONF=/" /etc/init.d/hostapd
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				# disable DNS
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				systemctl daemon-reload
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				systemctl disable dnsmasq.service >/dev/null 2>&1
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				ifdown $WIRELESS_ADAPTER 2> /dev/null
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				rm -f /etc/network/interfaces.d/armbian.ap.nat
				rm -f /etc/network/interfaces.d/armbian.ap.bridge
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				sed -i '/^iptables/ d' /etc/rc.local
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				sed 's/interface-name:wl.*//' -i /etc/NetworkManager/conf.d/10-ignore-interfaces.conf
				sed 's/,$//' -i /etc/NetworkManager/conf.d/10-ignore-interfaces.conf
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				iptables -F
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				# reload services
				reload-nety
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				[[ -n $HOSTAPDBRIDGE ]] && reboot
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			fi
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			if [[ $exitstatus = 1 ]]; then wlan_edit; reload-nety "reload"; fi
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		elif [[ -z $CURRENT_UUID ]]; then
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				dialog --title " Info " --backtitle "$BACKTITLE" --no-collapse --msgbox "\nAll wireless connections are in use." 7 40
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		else
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				# remove interfaces from managed list
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				if [[ -f /etc/NetworkManager/conf.d/10-ignore-interfaces.conf ]]; then
					sed 's/interface-name:wl.*//' -i /etc/NetworkManager/conf.d/10-ignore-interfaces.conf
					sed 's/,$//' -i /etc/NetworkManager/conf.d/10-ignore-interfaces.conf
				fi
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				# start with basic config
				if grep -q "^## IEEE 802.11ac" /etc/hostapd.conf; then sed '/## IEEE 802.11ac\>/,/^## IEEE 802.11ac\>/ s/.*/#&/' -i /etc/hostapd.conf; fi
				if grep -q "^## IEEE 802.11a" /etc/hostapd.conf; then sed '/## IEEE 802.11a\>/,/^## IEEE 802.11a\>/ s/.*/#&/' -i /etc/hostapd.conf; fi
				if grep -q "^## IEEE 802.11n" /etc/hostapd.conf; then sed '/## IEEE 802.11n/,/^## IEEE 802.11n/ s/.*/#&/' -i /etc/hostapd.conf; fi
				sed -i "s/^channel=.*/channel=5/" /etc/hostapd.conf

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				service network-manager reload
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				# change special adapters to AP mode
				wlan_exceptions "on"
				# check for WLAN interfaces
				get_wlan_interface
				# add interface to unmanaged list
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				if [[ -f /etc/NetworkManager/conf.d/10-ignore-interfaces.conf ]]; then
					[[ -z $(grep -w unmanaged-devices= /etc/NetworkManager/conf.d/10-ignore-interfaces.conf) ]] && sed '$ s/$/,/' -i /etc/NetworkManager/conf.d/10-ignore-interfaces.conf
					sed '$ s/$/'"interface-name:$WIRELESS_ADAPTER"'/' -i /etc/NetworkManager/conf.d/10-ignore-interfaces.conf
				else
					echo "[keyfile]" > /etc/NetworkManager/conf.d/10-ignore-interfaces.conf
					echo "unmanaged-devices=interface-name:$WIRELESS_ADAPTER" >> /etc/NetworkManager/conf.d/10-ignore-interfaces.conf
				fi
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				service network-manager reload
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				# display dialog
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				dialog --colors --backtitle "$BACKTITLE" --title "Please wait" --infobox \
				"\nWireless adapter: \Z1${WIRELESS_ADAPTER}\Z0\n\nProbing nl80211 hostapd driver compatibility." 7 50
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				apt-get -o Dpkg::Options::="--force-confnew" -y -qq --no-install-recommends install hostapd > /dev/null
				# change to selected interface
				sed -i "s/^interface=.*/interface=$WIRELESS_ADAPTER/" /etc/hostapd.conf
				# add hostapd.conf to services
				sed -i "s/^DAEMON_CONF=.*/DAEMON_CONF=\/etc\/hostapd.conf/" /etc/init.d/hostapd
				# check both options
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				# add allow cli access if not exists. temporally
				if ! grep -q "ctrl_interface" /etc/hostapd.conf; then
					echo "" >> /etc/hostapd.conf
					echo "ctrl_interface=/var/run/hostapd" >> /etc/hostapd.conf
					echo "ctrl_interface_group=0" >> /etc/hostapd.conf
				fi
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				#
				check_advanced_modes
				#
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				CHECK=$(systemctl daemon-reload;service hostapd stop; sleep 2;service hostapd start;sleep 2;service hostapd status|grep fail)
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				if [[ -n "$CHECK" ]]; then
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					dialog --colors --backtitle "$BACKTITLE" --title "Please wait" --infobox \
					"\nWireless adapter: \Z1${WIRELESS_ADAPTER}\Z0\n\nProbing Realtek hostapd driver compatibility." 7 50
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					apt-get -o Dpkg::Options::="--force-confnew" -y -qq --no-install-recommends install hostapd-realtek > /dev/null
					# change to selected interface
					sed -i "s/^interface=.*/interface=$WIRELESS_ADAPTER/" /etc/hostapd.conf
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					# add allow cli access if not exists. temporally
					if ! grep -q "ctrl_interface" /etc/hostapd.conf; then
						echo "ctrl_interface=/var/run/hostapd" >> /etc/hostapd.conf
						echo "ctrl_interface_group=0" >> /etc/hostapd.conf
					fi
					#
					check_advanced_modes
					#
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				fi
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				CHECK=$(systemctl daemon-reload;service hostapd stop; sleep 2;service hostapd start;service hostapd status|grep fail)
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				# if both fails there is other problem
				if [[ -n "$CHECK" ]]; then
					dialog --backtitle "$BACKTITLE" --title "Warning" \
					--infobox "\nWireless adapter: $WIRELESS_ADAPTER\n\nNo compatible hostapd driver found." 7 39
					sed -i "s/^DAEMON_CONF=.*/DAEMON_CONF=/" /etc/init.d/hostapd
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					# remove interfaces from managed list
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					sed 's/interface-name:wl.*//' -i /etc/NetworkManager/conf.d/10-ignore-interfaces.conf
					sed 's/,$//' -i /etc/NetworkManager/conf.d/10-ignore-interfaces.conf
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					systemctl daemon-reload;service hostapd restart
					sleep 3
					break
				fi

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				# let's remove bridge out for this simple configurator
				#
				# dialog --title " Choose Access Point mode for $WIRELESS_ADAPTER " --colors --backtitle "$BACKTITLE" --no-label "Bridge" \
				# --yes-label "NAT" --yesno "\n\Z1NAT:\Z0 with own DHCP server, out of your primary network\n\
				# \n\Z1Bridge:\Z0 wireless clients will use your routers DHCP server" 9 70
				# response=$?
				#
				# let's remove bridge out for this simple configurator

				response=0
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				# select default interfaces if there is more than one
				select_default_interface

				NETWORK_CONF="/etc/network/interfaces"
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				case $response in
					# bridge
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					1)
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						TEMP_CONF="/etc/network/interfaces.d/armbian.ap.bridge"
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						sed -i 's/.bridge=.*/bridge=br0/' /etc/hostapd.conf
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						if [[ $DEFAULT_ADAPTER == "br0" ]]; then NEW_DEFAULT_ADAPTER="eth0"; else NEW_DEFAULT_ADAPTER="$DEFAULT_ADAPTER"; fi
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						echo -e "#bridged wireless for hostapd by armbian-config\n" > $TEMP_CONF
						echo -e "auto lo br0\niface lo inet loopback" >> $TEMP_CONF
						echo -e "\nauto $NEW_DEFAULT_ADAPTER\nallow-hotplug $NEW_DEFAULT_ADAPTER\niface $NEW_DEFAULT_ADAPTER inet manual" >> $TEMP_CONF
						echo -e "\nauto $WIRELESS_ADAPTER\nallow-hotplug $WIRELESS_ADAPTER\niface $WIRELESS_ADAPTER inet manual\n" >> $TEMP_CONF
						create_if_config "$DEFAULT_ADAPTER" "br0" >> $TEMP_CONF
						echo -e "\nbridge_ports $NEW_DEFAULT_ADAPTER $WIRELESS_ADAPTER" >> $TEMP_CONF
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					;;
					# NAT
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					0)
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						TEMP_CONF="/etc/network/interfaces.d/armbian.ap.nat"
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						# install dnsmas and iptables
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						if [[ $(dpkg-query -W -f='${db:Status-Abbrev}\n' dnsmasq 2>/dev/null) != "*ii*" ]]; then
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							debconf-apt-progress -- apt-get -qq -y --no-install-recommends install dnsmasq;
						fi

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						echo -e "# armbian NAT hostapd\nallow-hotplug $WIRELESS_ADAPTER\niface $WIRELESS_ADAPTER inet static " > $TEMP_CONF
						echo -e "\taddress 172.24.1.1\n\tnetmask 255.255.255.0\n\tnetwork 172.24.1.0\n\tbroadcast 172.24.1.255" >> $TEMP_CONF
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						# create new configuration
						echo "interface=$WIRELESS_ADAPTER				# Use interface $WIRELESS_ADAPTER" > /etc/dnsmasq.conf
						echo "listen-address=172.24.1.1					# Explicitly specify the address to listen on" >> /etc/dnsmasq.conf
						echo "bind-interfaces							# Bind to the interface to make sure we aren't sending \
						things elsewhere" >> /etc/dnsmasq.conf
						echo "server=8.8.8.8							# Forward DNS requests to Google DNS" >> /etc/dnsmasq.conf
						echo "domain-needed								# Don't forward short names" >> /etc/dnsmasq.conf
						echo "bogus-priv								# Never forward addresses in the non-routed address spaces" \
						>> /etc/dnsmasq.conf
						echo "dhcp-range=172.24.1.50,172.24.1.150,12h	# Assign IP addresses between 172.24.1.50 and 172.24.1.150 with \
						a 12 hour lease time" >> /etc/dnsmasq.conf
						# - Enable IPv4 forwarding
						sed -i "/net.ipv4.ip_forward=/c\net.ipv4.ip_forward=1" /etc/sysctl.conf
						echo 1 > /proc/sys/net/ipv4/ip_forward
						# - Apply iptables
						iptables -t nat -A POSTROUTING -o $DEFAULT_ADAPTER -j MASQUERADE
						iptables -A FORWARD -i $DEFAULT_ADAPTER -o $WIRELESS_ADAPTER -m state --state RELATED,ESTABLISHED -j ACCEPT
						iptables -A FORWARD -i $WIRELESS_ADAPTER -o $DEFAULT_ADAPTER -j ACCEPT
						# - Save IP tables, applied during ifup in /etc/network/interfaces.
						iptables-save > /etc/iptables.ipv4.nat
						sed -i 's/^bridge=.*/#&/' /etc/hostapd.conf
						sed -e 's/exit 0//g' -i /etc/rc.local
						echo "iptables-restore < /etc/iptables.ipv4.nat" >> /etc/rc.local
						echo "exit 0" >> /etc/rc.local
					;;
				3)exit;;

				255) exit;;
				esac
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				dialog --backtitle "$BACKTITLE" --title " Please wait " --infobox "\nEnabling hotstop. Please wait!" 5 34

				#
				# only for bridged connection we need to check and reboot. tdlr check if it can be done on the fly
				HOSTAPDBRIDGE=$(cat /etc/hostapd.conf 2> /dev/null | grep -w "^bridge=br0")
				if [[ -n $HOSTAPDBRIDGE ]]; then
						dialog --title "Manually adjust network configuration if needed" --backtitle "$BACKTITLE" \
						--ok-label "Reboot to apply new settings" --no-collapse --editbox $TEMP_CONF 30 0 2> $TEMP_CONF".tmp"
						response=$?
						if [[ $response = 0 ]]; then
							mv $TEMP_CONF".tmp" $TEMP_CONF
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							#reboot
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						fi
					else
						ifdown $WIRELESS_ADAPTER 2> /dev/null
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						sleep 2
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						ifup $WIRELESS_ADAPTER 2> /dev/null
						echo "nameserver 8.8.8.8" > /etc/resolvconf/resolv.conf.d/base
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						# reload services
						reload-nety "reload"
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				fi
		fi
	;;


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	# Manage Softether VPN
	#
	"VPN" )
	VPNDIR="/usr/local/vpnclient/"

	function vpn_reconfigure ()
	{
	if [[ -f /etc/server.vpn ]]; then
		${VPNDIR}vpnclient stop >/dev/null 2>&1
		${VPNDIR}vpnclient start >/dev/null 2>&1
		# purge old settings
		${VPNDIR}vpncmd /client localhost /cmd accountlist | grep "VPN Connection Setting Name" | cut -d "|" -f 2 | sed 's/^/"/;s/$/"/' | xargs /usr/local/vpnclient/vpncmd /client localhost /cmd accountdisconnect >/dev/null 2>&1
		${VPNDIR}vpncmd /client localhost /cmd accountlist | grep "VPN Connection Setting Name" | cut -d "|" -f 2 | sed 's/^/"/;s/$/"/' | xargs /usr/local/vpnclient/vpncmd /client localhost /cmd accountdelete >/dev/null 2>&1
		# import new
		${VPNDIR}vpncmd /client localhost /cmd accountimport //etc//server.vpn >/dev/null 2>&1
		# reload to connect
		${VPNDIR}vpnclient stop >/dev/null 2>&1
		${VPNDIR}vpnclient start >/dev/null 2>&1
		[[ $? = 0 ]] && dialog --backtitle "$BACKTITLE" --title " VPN " --msgbox "\nConfiguration was succesfully imported!" 7 43
	fi
	}

	function get_numbers {
		EXCLUDE=$(ip neigh | grep vpn_se | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.' | head -1)
		ADAPTER=$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | grep -v vpn_se | head -1)
		IP=$(ip route | grep $ADAPTER | grep default | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -1)
		VPNSERVERIP=$(${VPNDIR}vpncmd /client localhost /cmd accountlist | grep "VPN Server" |grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -1)
		SUBNET=$(ifconfig vpn_se | grep 'inet addr:' | grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $1}' | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}')
		GW=$(ip neigh | grep vpn_se | grep $SUBNET | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' | head -1)
	}

	function raise_dev {
			i=0;
			while [[ -z "$TEMP" && $i<5 ]]; do
					TEMP=$(${VPNDIR}vpncmd /client localhost /cmd accountlist | grep Status | grep Connected)
					sleep 1
					i=$((i+1))
			done
			dhclient vpn_se
	}

	if pgrep -x "vpnclient" > /dev/null
	then
				${VPNDIR}vpnclient stop >/dev/null 2>&1
				${VPNDIR}vpnclient start >/dev/null 2>&1
				if [[ -z $(${VPNDIR}vpncmd /client localhost /cmd nicList | grep Enabled) ]]; then
					${VPNDIR}vpncmd /client localhost /cmd niccreate se >/dev/null 2>&1
				fi
				if [[ -z $(${VPNDIR}vpncmd /client localhost /cmd accountlist | grep "VPN Server") ]]; then
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					dialog --backtitle "$BACKTITLE" --no-label " Cancel " --yes-label " Import " --title " VPN " --yesno "\nVPN configuration was not found.\n\nPlace file to /etc/server.vpn" 9 45
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					if [[ $? = 0 && -f /etc/server.vpn ]]; then
						${VPNDIR}vpncmd /client localhost /cmd accountimport //etc//server.vpn >/dev/null 2>&1
						${VPNDIR}vpnclient stop >/dev/null 2>&1
						${VPNDIR}vpnclient start >/dev/null 2>&1
						[[ $? = 0 ]] && dialog --backtitle "$BACKTITLE" --title " VPN " --msgbox "\nConfiguration was succesfully imported!" 7 43
					fi
				fi

				# raise devices
				raise_dev

				if [[ -n $(${VPNDIR}vpncmd /client localhost /cmd accountlist | grep Status | grep Connected) ]]; then
					get_numbers
					echo "ip route add $VPNSERVERIP via $IP dev $ADAPTER"
					echo "ip route del default"
					echo "ip route add default via $GW dev vpn_se"
					read
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					dialog --title "VPN client is connected to $VPNSERVERIP" --colors --backtitle "$BACKTITLE" --help-button --help-label "Cancel" --yes-label "Stop" --no-label " Import " --yesno "\n\Z1Stop:  \Z0 stop\n\n\Z1Import:\Z0 import new config from /etc/armbian.vpn" 9 70
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				fi
				response=$?
				if [[ $response = 0 ]]; then
					get_numbers
					echo "ip route del $VPNSERVERIP"
					echo "ip route del default"
					echo "ip route add default via $IP dev $ADAPTER"
					read
					dialog --backtitle "$BACKTITLE"  --nocancel --nook --infobox "\nClosing VPN connection" 5 27
					${VPNDIR}vpnclient stop >/dev/null 2>&1
				fi
	else
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				dialog --title "VPN client is disconnected" --colors --backtitle "$BACKTITLE" --help-button --help-label "Cancel" --yes-label "Connect" --no-label " Import " --yesno "\n\Z1Connect:\Z0 Connect with your VPN server \n\n\Z1Import:\Z0 import new config from /etc/armbian.vpn" 9 70
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				response=$?
				if [[ $response = 0 ]]; then
					${VPNDIR}vpnclient start >/dev/null 2>&1

					# raise devices
					raise_dev
					get_numbers
					echo "ip route add $VPNSERVERIP via $IP dev $ADAPTER"
					echo "ip route del default"
					echo "ip route add default via $GW dev vpn_se"
					read

				fi
				[[ $response = 1 ]] && vpn_reconfigure
	fi
	;;


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	# Connect to Bluetooth
	#
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	"BT discover" )
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	dialog --backtitle "$BACKTITLE" --title " Bluetooth " --msgbox "\nMake sure your Bluetooth devices are discoverable!" 7 54
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	connect_bt_interface
	;;


	# Edit network settings
	#
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	"Advanced" )
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		dialog --backtitle "$BACKTITLE" --title " Edit ifupdown network configuration /etc/network/interfaces" --no-collapse \
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		--ok-label "Save" --editbox /etc/network/interfaces 30 0 2> /etc/network/interfaces.out
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		[[ $? = 0 ]] && mv /etc/network/interfaces.out /etc/network/interfaces && reload-nety "reload"
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	;;

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	# Remove automatic wifi conections
	#
	"Forget" )
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		nmcli --fields UUID,TIMESTAMP-REAL,TYPE con show | grep wireless |  awk '{print $1}' | while read line; \
		do nmcli con delete uuid  $line; done > /dev/null
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	;;

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	#-------------------------------------------------------------------------------------------------------------------------------------#
	#-------------------------------------------------------------------------------------------------------------------------------------#
	#-------------------------------------------------------------------------------------------------------------------------------------#




	# Change timezone
	#
	"Timezone" )
		dpkg-reconfigure tzdata
	;;


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	# Change locales
	#
	"Locales" )
		dpkg-reconfigure locales
	;;


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	# Change Hostname
	#
	"Hostname" )
		hostname_current=$(cat /etc/hostname)
		hostname_new=$(\
		dialog --no-cancel --title " Change hostname " --backtitle "$BACKTITLE" --inputbox "\nType new hostname\n " 10 50 $hostname_current \
		3>&1 1>&2 2>&3 3>&- \
		)
		if [[ $? = 0 && -n $hostname_new ]]; then
			sed -i "s/$hostname_current/$hostname_new/g" /etc/hosts
			sed -i "s/$hostname_current/$hostname_new/g" /etc/hostname
			hostname $hostname_new
			systemctl restart systemd-logind.service
			dialog --title " Info " --backtitle "$BACKTITLE" --no-collapse --msgbox "\nYou need to logout to make the changes effective." 7 53
		fi
	;;

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	# Firmware update
	#
	"Firmware" )
		clear
		exec 3>&1
		monitor=$(dialog --print-maxsize 2>&1 1>&3)
		exec 3>&-
		mon_x=$(echo $monitor | awk '{print $2}' | sed 's/,//');mon_x=$(( $mon_x / 2 ))
		mon_y=$(echo $monitor | awk '{print $3}' | sed 's/,//');
		dialog --title " Update " --backtitle "$BACKTITLE" --no-label "Cancel" --yesno "\nDo you want to update board firmware?" 7 41
		if [[ $? = 0 ]]; then
			debconf-apt-progress -- apt-get update
			debconf-apt-progress -- apt-get -y upgrade
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			dialog --title " Firmware update " --colors --no-label "Cancel" --backtitle "$BACKTITLE" --yesno \
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			"\nFirmware has been updated. Reboot?   " 7 39
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			if [[ $? = 0 ]]; then reboot; fi
		fi
	;;

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	# Install to SATA, eMMC, NAND or USB
	#
	"Install" )
		nand-sata-install
	;;


	# Freeze and unfreeze kernel and board support packages
	#
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	"Freeze" | "Defreeze" )
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		dialog --title " Updating " --backtitle "$BACKTITLE" --yes-label "$1" --no-label "Cancel" --yesno \
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		"\nDo you want to ${1,,} kernel updates?" 7 44
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		if [[ $? = 0 ]]; then
		TARGET_BRANCH=$BRANCH
		exceptions "$BRANCH"
		PACKAGE_LIST="linux-image${TARGET_BRANCH}-${TARGET_FAMILY} linux-headers${TARGET_BRANCH}-${TARGET_FAMILY} linux-u-boot-${BOARD}-${UBOOT_BRANCH} linux-$(lsb_release -cs)-root$TARGET_BRANCH-$BOARD"
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		[[ $BRANCH != "default" ]] && PACKAGE_LIST=$PACKAGE_LIST" linux-dtb$TARGET_BRANCH-$TARGET_FAMILY"
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		local words=( $PACKAGE_LIST )
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		local command="unhold"
		[[ $1 == "Freeze" ]] && local command="hold"
		for word in $PACKAGE_LIST; do apt-mark $command $word; done | dialog --backtitle "$BACKTITLE" --title "Packages ${1,,}" --progressbox $((${#words[@]}+2)) 64
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		fi
	;;


	# Enable or disable desktop
	#
	"Desktop" )
		if [[ -n $(service lightdm status 2> /dev/null | grep -w active | grep -w running) || -n $(service nodm status | grep -w active | grep -w running) ]]; then
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			dialog --title " Desktop is enabled and running " --backtitle "$BACKTITLE" \
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			--yes-label "Stop" --no-label "Cancel" --yesno "\nDo you want to stop and disable this service?" 7 50
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			exitstatus=$?;
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			[[ $exitstatus = 0 ]] && service nodm stop && service lightdm stop && \
			sed -i "s/^NODM_ENABLED=.*/NODM_ENABLED=false/" /etc/default/nodm
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		else
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			dialog --colors --title " Choose a display manager " --backtitle "$BACKTITLE" --help-button --help-label "Cancel" --yes-label "Lightdm" \
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			--no-label "Nodm" --yesno "\n\Z1Lightdm\Z0 = full featured login display manager\n\Z1Nodm\Z0    = autoloading into desktop" 8 70
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			exitstatus=$?;
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			[[ $exitstatus = 0 ]] && [[ -f /etc/X11/default-display-manager ]] && \
			echo "/usr/sbin/lightdm" > /etc/X11/default-display-manager && \
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			debconf-apt-progress -- apt-get -o Dpkg::Options::="--force-confold" -y --no-install-recommends install lightdm-gtk-greeter lightdm \
			&& systemctl start lightdm.service
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			[[ $exitstatus = 1 ]] && [[ -f /etc/X11/default-display-manager ]] && \
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			debconf-apt-progress -- apt-get -o Dpkg::Options::="--force-confold" -y --no-install-recommends install nodm \
			&& echo "/usr/sbin/nodm" > /etc/X11/default-display-manager && \
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			sed -i "s/^NODM_ENABLED=.*/NODM_ENABLED=true/" /etc/default/nodm && service nodm start
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		fi
	;;


	"Nodm" )
		[[ -f /etc/X11/default-display-manager ]] && echo "/usr/sbin/nodm" > /etc/X11/default-display-manager
		systemctl disable lightdm.service >/dev/null 2>&1
		systemctl stop lightdm.service >/dev/null 2>&1
		sed -i "s/^NODM_ENABLED=.*/NODM_ENABLED=true/" /etc/default/nodm && service nodm start
	;;


	"Lightdm" )
		[[ -f /etc/X11/default-display-manager ]] && echo "/usr/sbin/lightdm" > /etc/X11/default-display-manager
		debconf-apt-progress -- apt-get -o Dpkg::Options::="--force-confold" -y --no-install-recommends install lightdm-gtk-greeter lightdm
		service nodm stop && sed -i "s/^NODM_ENABLED=.*/NODM_ENABLED=false/" /etc/default/nodm
		systemctl enable lightdm.service >/dev/null 2>&1
		systemctl start lightdm.service >/dev/null 2>&1
	;;


	"RDP" )
		if [[ -n $(service xrdp status | grep -w active) ]]; then
			systemctl stop xrdp.service >/dev/null 2>&1
			systemctl disable xrdp.service >/dev/null 2>&1
		else
			debconf-apt-progress -- apt-get -y install xrdp vnc4server
			systemctl enable xrdp.service >/dev/null 2>&1
			systemctl start xrdp.service >/dev/null 2>&1
			dialog --title "Info" --backtitle "$BACKTITLE" --nocancel --no-collapse --pause \
			"\nRemote graphical login to $BOARD_NAME using Microsoft Remote Desktop Protocol (RDP) is enabled." 11 57 3
		fi
	;;


	# Stop low-level messages on console
	#
	"Lowlevel" )
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		dialog --title " Kernel messages " --backtitle "$BACKTITLE" --help-button \
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		--help-label "Yes & reboot" --yes-label "Yes" --no-label "Cancel" --yesno "\nStop low-level messages on console?" 7 64
		exitstatus=$?;
		[[ $exitstatus = 0 ]] && sed -i 's/^#kernel.printk\(.*\)/kernel.printk\1/' /etc/sysctl.conf
		[[ $exitstatus = 2 ]] && sed -i 's/^#kernel.printk\(.*\)/kernel.printk\1/' /etc/sysctl.conf && reboot
	;;


	# Edit boot environment
	#
	"Bootenv" )
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		dialog --title " Edit u-boot environment " --ok-label "Save" \
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		--no-collapse --editbox /boot/armbianEnv.txt 30 0 2> /boot/armbianEnv.txt.out
		[[ $? = 0 ]] && mv /boot/armbianEnv.txt.out /boot/armbianEnv.txt
	;;

	# Edit boot script
	#
	"Bootscript" )
		if [[ -f /boot/boot.ini ]]; then
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		dialog --title " Edit boot.ini script " --ok-label "Save" \
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		--no-collapse --editbox /boot/boot.ini 30 0 2> /boot/boot.ini.out
		[[ $? = 0 ]] && mv /boot/boot.ini.out /boot/boot.ini
		fi
	;;


	# Toggle running services
	#
	"Services" )
		rcconf
	;;


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	# Toggle overlay items
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	#
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	"Hardware" )
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		# check if user agree to enter this area
		CHANGES="false"
		while true; do
			overlay_prefix=$(cat /boot/armbianEnv.txt | grep overlay_prefix | sed 's/overlay_prefix=//g')
			TARGET_BRANCH=$BRANCH
			exceptions "$BRANCH"
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			HOME="/boot/dtb/allwinner/overlay"
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			MOTD=()
			LINES=()
			LIST_CONST=-3
			j=0
			DIALOG_CANCEL=1
			DIALOG_ESC=255
			while read line
			do
				STATUS=$([[ -n $(cat /boot/armbianEnv.txt | grep overlays | grep -w ${line}) ]] && echo "on")
				DESC=$(description "$line")
				MOTD+=( "$line" "$DESC" "$STATUS")
				LINES[ $j ]=$line
				(( j++ ))
			done < <(ls -1 ${HOME}/${overlay_prefix}*.dtbo | sed 's/^.*\('${overlay_prefix}'.*\)/\1/g' | sed 's/'${overlay_prefix}'-//g' | sed 's/.dtbo//g' )

			LISTLENGHT="$(($LIST_CONST+${#MOTD[@]}/2))"

			exec 3>&1
				selection=$(dialog --backtitle "$BACKTITLE" --title "Toggle hardware config" --clear --cancel-label \
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				"Cancel" --ok-label "Save" --checklist "\nChoose what you want to enable or disable:\n " \
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				$LISTLENGHT 70 $LISTLENGHT "${MOTD[@]}" 2>&1 1>&3)
				exit_status=$?
			exec 3>&-

			case $exit_status in
					$DIALOG_ESC)
					break
				;;
				0)
					CHANGES="true"
					newoverlays="$(echo "$selection" | sed "s|[^ ]* *|&|g")"
					sed -i "s/^overlays=.*/overlays=$newoverlays/" /boot/armbianEnv.txt
					if ! grep -q "overlays" /boot/armbianEnv.txt; then echo "overlays=$newoverlays" >> /boot/armbianEnv.txt; fi
					if [[ -z $newoverlays ]]; then sed -i "/^overlays/d" /boot/armbianEnv.txt; fi
				;;
				1)
					if [[ "$CHANGES" == "true" ]]; then
					dialog --title " Applying changes " --backtitle "$BACKTITLE" --yes-label "Reboot" \
					--no-label "Cancel" --yesno "\nReboot to enable new features?" 7 34
					if [[ $? = 0 ]]; then reboot; else break; fi
					else
						break
					fi
				;;
				esac
			done

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	;;

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	# Change to other mirrors
	#
	"Mirror" )

		IFS=$'\r\n'
		GLOBIGNORE='*'
		LIST_CONST=3
		BEFORE="$(cat /etc/apt/sources.list.d/armbian.list | sed 's/http/\nhttp/g' | grep ^http | sed 's/\(^http[^ <]*\)\(.*\)/\1/g' | sed 's/https\?:\/\///')"
		PREFIX="$(echo $BEFORE | cut -f1 -d".")"
		AVAL_MIRROR=("${PREFIX}.armbian.com" "${PREFIX}.uk.armbian.com")
		local LIST=()
		for i in "${AVAL_MIRROR[@]}"
			do
			DESC=$(description "${i[0]}")
			[[ "${i[0]}" != "$BEFORE" ]] && LIST+=( "${i[0]//[[:blank:]]/}" "$DESC" )
		done
		LIST_LENGHT=$(($LIST_CONST+${#LIST[@]}/2));
		if [ "$LIST_LENGHT" -eq 1 ]; then
			TARGET_MIRROR=${AVAL_MIRROR[0]}
			dialog --backtitle "$BACKTITLE" --title "Please wait" --colors --msgbox "\nThere are no mirrors available!" 7 35
		else
			exec 3>&1
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			--title "Change repository location" --colors --clear --menu "\nfrom \Z1$BEFORE\Z0 to:\n " $((6+${LIST_LENGHT})) 60 15 "${LIST[@]}" 2>&1 1>&3)
			exitstatus=$?;
			exec 3>&-
		fi

		if [[ $exitstatus == 0 ]]; then
			sed -i "s/$BEFORE/$TARGET_MIRROR/" /etc/apt/sources.list.d/armbian.list
			dialog --backtitle "$BACKTITLE" --title "Info" --colors --msgbox "\nArmbian package repository was switched to:\n\n\Z1$TARGET_MIRROR\Z0" 9 47
		fi
	;;
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	# Toggle welcome screen items
	#
	"Welcome" )
		while true; do
		HOME="/etc/update-motd.d/"
		MOTD=()
		LINES=()
		LIST_CONST=6
		j=0
		DIALOG_CANCEL=1
		DIALOG_ESC=255

		while read line
		do
				STATUS=$([[ -x ${HOME}${line} ]] && echo "on")
			DESC=$(description "$line")
			MOTD+=( "$line" "$DESC" "$STATUS")
			LINES[ $j ]=$line
			(( j++ ))
		done < <(ls -1 $HOME)

				LISTLENGHT="$(($LIST_CONST+${#MOTD[@]}/2))"

				exec 3>&1
				selection=$(dialog --backtitle "$BACKTITLE" --title "Toggle motd executing scripts" --clear --cancel-label \
				"Exit" --ok-label "Save" --checklist "\nChoose what you want to enable or disable:\n " \
				$LISTLENGHT 70 15 "${MOTD[@]}" 2>&1 1>&3)
				exit_status=$?
				exec 3>&-
				case $exit_status in
				$DIALOG_CANCEL | $DIALOG_ESC)
						break
						;;
				0)
						chmod -x ${HOME}*
						chmod +x $(echo "$selection" | sed "s|[^ ]* *|${HOME}&|g")
				;;
				esac
		done
	;;


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	# Toggle sshd options
	#
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	"SSH" )
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		while true; do

			DIALOG_CANCEL=1
			DIALOG_ESC=255
			LIST_CONST=8

			PermitRootLogin="";
			PubkeyAuthentication="";
			X11Forwarding="";

			[[ $(grep "^PermitRootLogin" /etc/ssh/sshd_config | awk '{print $2}') == "yes" ]] && PermitRootLogin="on"
			[[ $(grep "^PubkeyAuthentication" /etc/ssh/sshd_config | awk '{print $2}') == "yes" ]] && PubkeyAuthentication="on"
			[[ $(grep "^X11Forwarding" /etc/ssh/sshd_config | awk '{print $2}') == "yes" ]] && X11Forwarding="on"

			MOTD=("X11Forwarding" "X11 forwarding" "$X11Forwarding" \
			"PermitRootLogin" "Allow root login" "$PermitRootLogin" \
			"PubkeyAuthentication" "Using public keys for SSH authentication" "$PubkeyAuthentication")

			LISTLENGHT="$(($LIST_CONST+${#MOTD[@]}/2))"

			exec 3>&1
				selection=$(dialog --backtitle "$BACKTITLE" --title " Toggle sshd options " --clear --cancel-label \
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				"Cancel" --ok-label "Save" --checklist "\nChoose what you want to enable or disable:\n " \
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				$LISTLENGHT 74 21 "${MOTD[@]}" 2>&1 1>&3)
				exit_status=$?
			exec 3>&-

			case $exit_status in
				$DIALOG_CANCEL | $DIALOG_ESC)
				break
				;;
				0)
					# read values, adjust config and restart service
					my_array=($selection)
					for((n=0;n<${#MOTD[@]};n++)); do
						if (( $(($n % 3 )) == 0 )); then
								if [[ " ${my_array[*]} " == *" ${MOTD[$n]} "* ]]; then
									sed -i "s/#\?${MOTD[$n]}.*/${MOTD[$n]} yes/" /etc/ssh/sshd_config
									else
									sed -i "s/#\?${MOTD[$n]}.*/${MOTD[$n]} no/" /etc/ssh/sshd_config
								fi
						fi
					done
					service sshd restart
				;;
				esac
		done
	;;



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	# Switch to daily builds
	#
	"Nightly" )
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		dialog --colors --title " \Z1Warning\Z0 " --backtitle "$BACKTITLE" --yes-label "OK" --no-label "Cancel" \
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		--yesno "\nYou are switching to automated nightly repository which is untested and might break your system.\
		Are you fine with that?" 9 48
		if [[ $? = 0 ]]; then
			sed -i 's/apt.armbian.com/beta.armbian.com/' /etc/apt/sources.list.d/armbian.list
			debconf-apt-progress -- apt-get update
			debconf-apt-progress -- apt-get -y upgrade
			dialog --title "Switching to nightly" --backtitle "$BACKTITLE" --yes-label "Reboot" \
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			--no-label "Cancel" --yesno "\nReboot to apply new settings?" 7 34
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			if [[ $? = 0 ]]; then reboot; fi
		fi
	;;


	# Switch to stable builds
	#
	"Stable" )
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		dialog --colors --title " \Z1Warning\Z0 " --backtitle "$BACKTITLE" --yes-label "OK" --no-label "Cancel" \
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		--yesno "\nYou are switching back to stable respository where you are going to get future updates. Are you fine with that?" 9 44
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		if [[ $? = 0 ]]; then
			sed -i 's/beta.armbian.com/apt.armbian.com/' /etc/apt/sources.list.d/armbian.list
			debconf-apt-progress -- apt-get update
			debconf-apt-progress -- apt-get -y upgrade
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			dialog --title "Switching to stable" --backtitle "$BACKTITLE" --yes-label "Reboot" --no-label "Cancel" --yesno \
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			"\nReboot to apply new settings?" 7 34
			if [[ $? = 0 ]]; then reboot; fi
		fi
	;;


	# Switch to alternative kernels
	#
	"Switch" )
		aval_kernel
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		if [[ $exitstatus = 0 ]]; then
			exceptions "$INSTALL_KERNEL"
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			dialog --title " Install and reboot " --colors --backtitle "$BACKTITLE" --yes-label "OK" --no-label "Cancel" \
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			--yesno "\nSwitching to \Z1linux-image${TARGET_BRANCH}-${TARGET_FAMILY}\Z0 \n\nMake sure you know what you are doing! \
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			\n\nBoard config will be reverted to defaults." 11 46
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			if [[ $? = 0 ]]; then
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				# remove old
				dialog --backtitle "$BACKTITLE" --title "Please wait" --infobox "\nRemoving current kernel." 5 28
				apt-get -s -y -qq --no-install-recommends install linux-image${TARGET_BRANCH}-${TARGET_FAMILY} \
				linux-headers${TARGET_BRANCH}-${TARGET_FAMILY} linux-u-boot-${BOARD}-${UBOOT_BRANCH} \
				linux-$(lsb_release -cs)-root$TARGET_BRANCH-$BOARD > /dev/null 2>&1
				# if test download is ok, remove old kernel
				if [[ $? = 0 ]]; then
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					aptitude remove ~nlinux-image --quiet=100 -y >> /var/log/upgrade.log
					aptitude remove ~nlinux-dtb --quiet=100 -y >> /var/log/upgrade.log
					aptitude remove ~nlinux-headers --quiet=100 -y >> /var/log/upgrade.log
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				fi
				# install new
				INSTALL_DTB=""
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				[[ -n $(apt-cache search --names-only "^linux-dtb$TARGET_BRANCH-$TARGET_FAMILY") ]] && \
				INSTALL_DTB="linux-dtb$TARGET_BRANCH-$TARGET_FAMILY"
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				debconf-apt-progress -- apt-get -y	--no-install-recommends install linux-image${TARGET_BRANCH}-${TARGET_FAMILY} \
				linux-headers${TARGET_BRANCH}-${TARGET_FAMILY} linux-u-boot-${BOARD}-${UBOOT_BRANCH} \
				linux-$(lsb_release -cs)-root$TARGET_BRANCH-$BOARD $INSTALL_DTB

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				dialog --title "Kernel switch" --backtitle "$BACKTITLE" --yes-label "Yes" --no-label "Cancel" \
				--yesno "\nNew kernel was installed. Reboot?" 7 64
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				exitstatus=$?;
				[[ $exitstatus = 0 ]] &&  reboot
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			fi
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		else
			dialog --backtitle "$BACKTITLE" --title " Info " --msgbox  "\nNo alternative kernels available!" 7 38
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		fi
	;;


	# Toggle virtual read-only root filesystem
	#
	"Overlayroot" )
		if [[ -n $(mount | grep -w overlay) ]]; then
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			dialog --title " Root overlay " --backtitle "$BACKTITLE" --yes-label "Disable" \
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			--no-label "Cancel" \
			--yesno "\nYour system is already virtual read-only.\n\nDo you want to disable this feature and reboot?" 9 60
			[[ $? = 0 ]] && overlayroot-chroot sed -i "s/^overlayroot=.*/overlayroot=\"\"/" /etc/overlayroot.conf && \
			overlayroot-chroot rm /etc/update-motd.d/97-overlayroot && reboot
		else
			debconf-apt-progress -- apt-get -o Dpkg::Options::="--force-confnew" -y --no-install-recommends install overlayroot
			echo '#!/bin/bash' > /etc/update-motd.d/97-overlayroot
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			echo 'if [ -n "$(mount | grep -w tmpfs-root)" ]; then \
			echo -e "\n[\e[0m \e[1mremember: your system is in virtual read only mode\e[0m ]";fi' >> /etc/update-motd.d/97-overlayroot
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			chmod +x /etc/update-motd.d/97-overlayroot
			dialog --title "Root overlay" --backtitle "$BACKTITLE" --yes-label "Reboot" \
			--no-label "Cancel" --yesno "\nEnable virtual read-only root and reboot." 7 45
			[[ $? = 0 ]] && sed -i "s/^overlayroot=.*/overlayroot=\"tmpfs\"/" /etc/overlayroot.conf && reboot
		fi
	;;

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	esac
}