freedombone/src/freedombone-app-tox

#!/bin/bash
#
# .---.                  .              .
# |                      |              |
# |--- .--. .-.  .-.  .-.|  .-. .--.--. |.-.  .-. .--.  .-.
# |    |   (.-' (.-' (   | (   )|  |  | |   )(   )|  | (.-'
# '    '     --'  --'  -' -  -' '  '   -' -'   -' '   -  --'
#
#                    Freedom in the Cloud
#
# Tox Application
#
# License
# =======
#
# Copyright (C) 2014-2016 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

VARIANTS='full chat'

TOX_PORT=33445
TOXCORE_REPO="git://github.com/irungentoo/toxcore.git"
TOXCORE_COMMIT='532629d486e3361c7d8d95b38293cc7d61dc4ee5'
TOXID_REPO="https://github.com/bashrc/toxid"
TOX_BOOTSTRAP_ID_FILE=/var/lib/tox-bootstrapd/pubkey.txt
# These are some default nodes, but you can replace them with trusted nodes
# as you prefer. See https://wiki.tox.im/Nodes
TOX_NODES=
#TOX_NODES=(
#  '192.254.75.102,2607:5600:284::2,33445,951C88B7E75C867418ACDB5D273821372BB5BD652740BCDF623A4FA293E75D2F,Tox RELENG,US'
#  '144.76.60.215,2a01:4f8:191:64d6::1,33445,04119E835DF3E78BACF0F84235B300546AF8B936F035185E2A8E9E0A67C8924F,sonOfRa,DE'
#)
TOXIC_REPO="https://github.com/Tox/toxic"
TOXIC_COMMIT='cf16849b374e484a33a4dffa3dfb937b59d537f2'
TOXIC_FILE=/usr/local/bin/toxic

function reconfigure_tox {
	echo -n ''
}

function upgrade_tox {
	if ! grep -Fxq "install_tox" $COMPLETION_FILE; then
		return
	fi
	function_check set_repo_commit
	set_repo_commit $INSTALL_DIR/toxcore "toxcore commit" "$TOXCORE_COMMIT" $TOXCORE_REPO

	function_check set_repo_commit
	set_repo_commit $INSTALL_DIR/toxic "Toxic commit" "$TOXIC_COMMIT" $TOXIC_REPO
}

function backup_local_tox {
	if [ -d /var/lib/tox-bootstrapd ]; then
		echo $"Backing up Tox"

		if [ -d /var/lib/tox-bootstrapd ]; then
			cp /etc/tox-bootstrapd.conf /var/lib/tox-bootstrapd
			if [ -d /var/lib/tox-bootstrapd/Maildir ]; then
				rm -rf /var/lib/tox-bootstrapd/Maildir
			fi
		fi

		function_check backup_directory_to_usb
		backup_directory_to_usb /var/lib/tox-bootstrapd tox

		echo $"Backup of Tox complete"
	fi
}

function restore_local_tox {
	if [ -d $USB_MOUNT/backup/tox ]; then
		echo $"Restoring Tox node settings"
		function_check restore_directory_from_usb
		restore_directory_from_usb / tox
		if [ ! "$?" = "0" ]; then
			function_check set_user_permissions
			set_user_permissions
			function_check backup_unmount_drive
			backup_unmount_drive
			exit 6393
		fi
		cp /var/lib/tox-bootstrapd/tox-bootstrapd.conf /etc/tox-bootstrapd.conf
		systemctl restart tox-bootstrapd.service
		if [ ! "$?" = "0" ]; then
			systemctl status tox-bootstrapd.service
			function_check set_user_permissions
			set_user_permissions
			function_check backup_unmount_drive
			backup_unmount_drive
			exit 59369
		fi
	fi
}

function backup_remote_tox {
	if [ -d /var/lib/tox-bootstrapd ]; then
		echo "Backing up Tox node settings"
		if [ -d /var/lib/tox-bootstrapd/Maildir ]; then
			rm -rf /var/lib/tox-bootstrapd/Maildir
		fi
		cp /etc/tox-bootstrapd.conf /var/lib/tox-bootstrapd
		backup_directory_to_friend /var/lib/tox-bootstrapd tox
		echo "Backup of Tox node settings complete"
	fi
}

function restore_remote_tox {
	if [ -d $SERVER_DIRECTORY/backup/tox ]; then
		echo $"Restoring Tox node settings"
		function_check restore_directory_from_friend
		restore_directory_from_friend / tox
		if [ ! "$?" = "0" ]; then
			exit 93653
		fi
		cp /var/lib/tox-bootstrapd/tox-bootstrapd.conf /etc/tox-bootstrapd.conf
		systemctl restart tox-bootstrapd.service
		if [ ! "$?" = "0" ]; then
			systemctl status tox-bootstrapd.service
			exit 59369
		fi
		echo $"Restore of Tox node complete"
	fi
}

function remove_tox_node {
	if ! grep -Fxq "install_tox_node" $COMPLETION_FILE; then
		return
	fi

	iptables -D INPUT -p tcp --dport $TOX_PORT -j ACCEPT
	function_check save_firewall_settings
	save_firewall_settings

	function_check remove_onion_service
	remove_onion_service tox ${TOX_PORT}

	${PROJECT_NAME}-mesh-install -f tox_node --remove yes
	if [ ! "$?" = "0" ]; then
		echo $'Failed to remove tox node'
		exit 763836
	fi
	sed -i '/install_tox_node/d' $COMPLETION_FILE
	sed -i '/configure_firewall_for_tox/d' $COMPLETION_FILE
}

function remove_tox_avahi {
	if ! grep -Fxq "tox_avahi" $COMPLETION_FILE; then
		return
	fi
	cd $INSTALL_DIR/toxid
	make uninstall
	rm -rf $INSTALL_DIR/toxid
	sed -i '/toxavahi/d' /etc/crontab
	systemctl restart cron
	sed -i '/tox_avahi/d' $COMPLETION_FILE
}

function remove_tox_client {
	if ! grep -Fxq "install_tox_client" $COMPLETION_FILE; then
		return
	fi

	${PROJECT_NAME}-mesh-install -f tox_client --remove yes
	if [ ! "$?" = "0" ]; then
		echo $'Could not remove Tox client'
		exit 737253
	fi
	sed -i '/install_tox_client/d' $COMPLETION_FILE
	sed -i '/Tox /d' $COMPLETION_FILE
	sed -i '/Toxic /d' $COMPLETION_FILE
}

function remove_tox {
	remove_tox_client
	remove_tox_avahi
	remove_tox_node
}

function configure_firewall_for_tox {
	if [ ! $INSTALLING_MESH ]; then
		if [ -f $COMPLETION_FILE ]; then
			if grep -Fxq "configure_firewall_for_tox" $COMPLETION_FILE; then
				return
			fi
		fi
	fi

	if [[ $INSTALLED_WITHIN_DOCKER == "yes" ]]; then
		# docker does its own firewalling
		return
	fi
	if [[ $ONION_ONLY != "no" ]]; then
		return
	fi

	TOX_PORT_MAIN=$(cat /usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-tox | grep "TOX_PORT=" | head -n 1 | awk -F '=' '{print $2}')
	if [ ${#TOX_PORT_MAIN} -gt 2 ]; then
		TOX_PORT=$TOX_PORT_MAIN
	fi
	if [ ! $TOX_PORT ]; then
		echo $'No Tox port was specified'
		exit 32856
	fi

	iptables -A INPUT -p tcp --dport $TOX_PORT -j ACCEPT
	function_check save_firewall_settings
	save_firewall_settings

	OPEN_PORTS+=("Tox      $TOX_PORT")
	if [ -f $COMPLETION_FILE ]; then
		echo 'configure_firewall_for_tox' >> $COMPLETION_FILE
	fi
}

function tox_avahi {
	if [[ $SYSTEM_TYPE != "$VARIANT_MESH" ]]; then
		return
	fi
	if grep -Fxq "tox_avahi" $COMPLETION_FILE; then
		return
	fi

	if [ ! -d /etc/avahi ]; then
		echo $'tox_avahi: avahi is not installed'
		exit 87359
	fi

	# install a command to obtain the Tox ID
	cd $INSTALL_DIR
	function_check git_clone
	git_clone $TOXID_REPO $INSTALL_DIR/toxid
	if [ ! -d $INSTALL_DIR/toxid ]; then
		exit 63921
	fi
	cd $INSTALL_DIR/toxid
	make
	if [ ! "$?" = "0" ]; then
		exit 58432
	fi
	make install

	toxavahi

	# publish regularly
	function_check cron_add_mins
	cron_add_mins 1 'toxavahi > /dev/null'

	systemctl restart avahi-daemon

	echo 'tox_avahi' >> $COMPLETION_FILE
}

function install_tox_node {
	if grep -Fxq "install_tox_node" $COMPLETION_FILE; then
		return
	fi

	mesh_tox_node

	TOX_ONION_HOSTNAME=$(add_onion_service tox ${TOX_PORT} ${TOX_PORT})

	if ! grep -q "tox onion domain" $COMPLETION_FILE; then
		echo "tox onion domain:${TOX_ONION_HOSTNAME}" >> $COMPLETION_FILE
	else
		sed -i "s|tox onion domain.*|tox onion domain:${TOX_ONION_HOSTNAME}|g" $COMPLETION_FILE
	fi

	systemctl restart tox-bootstrapd.service

	TOX_PUBLIC_KEY=$(cat /var/log/syslog | grep tox | grep "Public Key" | awk -F ' ' '{print $8}' | tail -1)
	if [ ${#TOX_PUBLIC_KEY} -lt 30 ]; then
		echo $'Could not obtain the tox node public key'
		exit 6529
	fi

	# save the public key for later reference
	echo "$TOX_PUBLIC_KEY" > $TOX_BOOTSTRAP_ID_FILE

	function_check configure_firewall_for_tox
	configure_firewall_for_tox

	if ! grep -q $"Your Tox node public key is" /home/$MY_USERNAME/README; then
		echo '' >> /home/$MY_USERNAME/README
		echo '' >> /home/$MY_USERNAME/README
		echo 'Tox' >> /home/$MY_USERNAME/README
		echo '===' >> /home/$MY_USERNAME/README
		echo $"tox onion domain: ${TOX_ONION_HOSTNAME}" >> /home/$MY_USERNAME/README
		echo $"Your Tox node public key is: $TOX_PUBLIC_KEY" >> /home/$MY_USERNAME/README
		echo $'In the Toxic client you can connect to it with:' >> /home/$MY_USERNAME/README
		echo "  /connect $DEFAULT_DOMAIN_NAME.local $TOX_PORT $TOX_PUBLIC_KEY" >> /home/$MY_USERNAME/README
		chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/README
		chmod 600 /home/$MY_USERNAME/README
	fi

	function_check configure_firewall_for_tox
	configure_firewall_for_tox
	echo 'install_tox_node' >> $COMPLETION_FILE
}

function install_tox_client {
	if grep -Fxq "install_tox_client" $COMPLETION_FILE; then
		return
	fi

	mesh_tox_client

	echo 'install_tox_client' >> $COMPLETION_FILE
}

function mesh_tox_node {
	# obtain commits from the main file
	TOXCORE_COMMIT_MAIN=$(cat /usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-tox | grep "TOXCORE_COMMIT=" | head -n 1 | awk -F "'" '{print $2}')
	if [ ${#TOXCORE_COMMIT_MAIN} -gt 10 ]; then
		TOXCORE_COMMIT=$TOXCORE_COMMIT_MAIN
	fi
	if [ ! $TOXCORE_COMMIT ]; then
		echo $'No Tox commit was specified'
		exit 76325
	fi

	TOXID_REPO_MAIN=$(cat /usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-tox | grep "TOXID_REPO=" | head -n 1 | awk -F '"' '{print $2}')
	if [ ${#TOXID_REPO_MAIN} -gt 5 ]; then
		TOXID_REPO=$TOXID_REPO_MAIN
	fi
	if [ ! $TOXID_REPO ]; then
		echo $'No ToxID repo was specified'
		exit 78252
	fi

	TOX_PORT_MAIN=$(cat /usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-tox | grep "TOX_PORT=" | head -n 1 | awk -F '=' '{print $2}')
	if [ ${#TOX_PORT_MAIN} -gt 2 ]; then
		TOX_PORT=$TOX_PORT_MAIN
	fi
	if [ ! $TOX_PORT ]; then
		echo $'No Tox port was specified'
		exit 32856
	fi

	TOXCORE_REPO_MAIN=$(cat /usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-tox | grep "TOXCORE_REPO=" | head -n 1 | awk -F '"' '{print $2}')
	if [ ${#TOXCORE_REPO_MAIN} -gt 10 ]; then
		TOXCORE_REPO=$TOXCORE_REPO_MAIN
	fi
	if [ ! $TOXCORE_REPO ]; then
		echo $'No Tox repo was specified'
		exit 16865
	fi

	if [ ! $TOXCORE_COMMIT ]; then
		echo $'No Tox commit was specified'
		exit 76325
	fi

	if [ ! $TOXCORE_REPO ]; then
		echo $'No Tox repo was specified'
		exit 16865
	fi

	mesh_tox_node_prefix=''
	if [ $rootdir ]; then
		mesh_tox_node_prefix="chroot \"$rootdir\""
	fi
	$mesh_tox_node_prefix apt-get -y install build-essential libtool autotools-dev
	$mesh_tox_node_prefix apt-get -y install automake checkinstall check git yasm
	$mesh_tox_node_prefix apt-get -y install libsodium13 libsodium-dev libcap2-bin
	$mesh_tox_node_prefix apt-get -y install libconfig9 libconfig-dev autoconf

	mkdir -p ${rootdir}${INSTALL_DIR}
	git clone ${TOXCORE_REPO} ${rootdir}${INSTALL_DIR}/toxcore
	if [ ! "$?" = "0" ]; then
		exit 429252
	fi
	cd ${rootdir}$INSTALL_DIR/toxcore
	git checkout $TOXCORE_COMMIT -b $TOXCORE_COMMIT

	$mesh_tox_node_prefix /bin/bash -x <<EOF
cd ${INSTALL_DIR}/toxcore
autoreconf -i
./configure --enable-daemon --disable-av
make
make install
EOF

	cp $rootdir/usr/local/lib/libtoxcore* $rootdir/usr/lib/
	cp ${rootdir}${INSTALL_DIR}/toxcore/other/bootstrap_daemon/tox-bootstrapd.service $rootdir/etc/systemd/system/
	sed -i 's|ExecStart=.*|ExecStart=/usr/local/bin/tox-bootstrapd --config /etc/tox-bootstrapd.conf|g' $rootdir/etc/systemd/system/tox-bootstrapd.service
	$mesh_tox_node_prefix systemctl enable tox-bootstrapd.service

	SECONDS=0
	if [ ! -f $rootdir/usr/local/bin/tox-bootstrapd ]; then
		duration=$SECONDS
		echo $"Toxcore compile failed at $(($duration / 60)) minutes and $(($duration % 60)) seconds elapsed."
		echo $'Unable to make toxcore'
		exit 73835
	fi
	duration=$SECONDS
	echo $"Toxcore compile $(($duration / 60)) minutes and $(($duration % 60)) seconds elapsed."

	$mesh_tox_node_prefix useradd --home-dir /var/lib/tox-bootstrapd --create-home --system --shell /sbin/nologin --comment $"Account to run Tox's DHT bootstrap daemon" --user-group tox-bootstrapd
	$mesh_tox_node_prefix chmod 700 /var/lib/tox-bootstrapd

	# remove Maildir
	if [ -d $rootdir/var/lib/tox-bootstrapd/Maildir ]; then
		rm -rf $rootdir/var/lib/tox-bootstrapd/Maildir
	fi

	# create configuration file
	TOX_BOOTSTRAP_CONFIG=$rootdir/etc/tox-bootstrapd.conf
	echo "port = $TOX_PORT" > $TOX_BOOTSTRAP_CONFIG
	echo 'keys_file_path = "/var/lib/tox-bootstrapd/keys"' >> $TOX_BOOTSTRAP_CONFIG
	echo 'pid_file_path = "/var/run/tox-bootstrapd/tox-bootstrapd.pid"' >> $TOX_BOOTSTRAP_CONFIG
	echo 'enable_ipv6 = true' >> $TOX_BOOTSTRAP_CONFIG
	echo 'enable_ipv4_fallback = true' >> $TOX_BOOTSTRAP_CONFIG
	echo 'enable_lan_discovery = true' >> $TOX_BOOTSTRAP_CONFIG
	echo 'enable_tcp_relay = true' >> $TOX_BOOTSTRAP_CONFIG
	echo "tcp_relay_ports = [443, 3389, $TOX_PORT]" >> $TOX_BOOTSTRAP_CONFIG
	echo 'enable_motd = true' >> $TOX_BOOTSTRAP_CONFIG
	echo 'motd = "tox-bootstrapd"' >> $TOX_BOOTSTRAP_CONFIG

	if [ $TOX_NODES ]; then
		echo 'bootstrap_nodes = (' >> $TOX_BOOTSTRAP_CONFIG
		toxcount=0
		while [ "x${TOX_NODES[toxcount]}" != "x" ]
		do
			toxval_ipv4=$(echo $TOX_NODES[toxcount] | awk -F ',' '{print $1}')
			toxval_ipv6=$(echo $TOX_NODES[toxcount] | awk -F ',' '{print $2}')
			toxval_port=$(echo $TOX_NODES[toxcount] | awk -F ',' '{print $3}')
			toxval_pubkey=$(echo $TOX_NODES[toxcount] | awk -F ',' '{print $4}')
			toxval_maintainer=$(echo $TOX_NODES[toxcount] | awk -F ',' '{print $5}')
			echo "{ // $toxval_maintainer" >> $TOX_BOOTSTRAP_CONFIG
			if [[ $toxval_ipv6 != 'NONE' ]]; then
				echo "  address = \"$toxval_ipv6\"" >> $TOX_BOOTSTRAP_CONFIG
			else
				echo "  address = \"$toxval_ipv4\"" >> $TOX_BOOTSTRAP_CONFIG
			fi
			echo "  port = $toxval_port" >> $TOX_BOOTSTRAP_CONFIG
			echo "  public_key = \"$toxval_pubkey\"" >> $TOX_BOOTSTRAP_CONFIG
			toxcount=$(( $toxcount + 1 ))
			if [ "x${TOX_NODES[toxcount]}" != "x" ]; then
				echo "}," >> $TOX_BOOTSTRAP_CONFIG
			else
				echo "}" >> $TOX_BOOTSTRAP_CONFIG
			fi
		done
		echo ')' >> $TOX_BOOTSTRAP_CONFIG
	fi
}

function mesh_tox_avahi {
	mesh_tox_avahi_prefix=''
	if [ $rootdir ]; then
		mesh_tox_avahi_prefix="chroot \"$rootdir\""
	fi

	if [ ! -d $rootdir/etc/avahi ]; then
		echo $'tox_avahi: avahi is not installed'
		exit 87359
	fi

	if [ ! $TOXID_REPO ]; then
		echo $'No ToxID repo was specified'
		exit 78252
	fi

	if [ ! -d ${rootdir}${INSTALL_DIR} ]; then
		mkdir -p ${rootdir}${INSTALL_DIR}
	fi

	git clone ${TOXID_REPO} ${rootdir}${INSTALL_DIR}/toxid
	if [ ! -d ${rootdir}${INSTALL_DIR}/toxid ]; then
		echo $'Unable to clone toxid repo'
		exit 768352
	fi

	$mesh_tox_avahi_prefix /bin/bash -x <<EOF
cd ${INSTALL_DIR}/toxid
make
make install
EOF

	if [ ! -f $rootdir/usr/local/bin/toxid ]; then
		echo $'toxid not found'
		exit 74370
	fi
	if [ ! -f $rootdir/usr/local/bin/toxavahi ]; then
		exit 3621729
	fi
	echo "*/1 *     * * *   root    /usr/local/bin/toxavahi > /dev/null" >> $rootdir/etc/crontab
}

function mesh_tox_client {
	mesh_tox_client_prefix=''
	if [ $rootdir ]; then
		mesh_tox_client_prefix="chroot \"$rootdir\""
	fi

	TOXIC_FILE=$(cat /usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-tox | grep "TOXIC_FILE=" | head -n 1 | awk -F '=' '{print $2}')

	# obtain commits from the main file
	TOXIC_COMMIT_MAIN=$(cat /usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-tox | grep "TOXIC_COMMIT=" | head -n 1 | awk -F "'" '{print $2}')
	if [ ${#TOXIC_COMMIT_MAIN} -gt 10 ]; then
		TOXIC_COMMIT=$TOXIC_COMMIT_MAIN
	fi

	TOXIC_REPO_MAIN=$(cat /usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-tox | grep "TOXIC_REPO=" | head -n 1 | awk -F '"' '{print $2}')
	if [ ${#TOXIC_REPO_MAIN} -gt 5 ]; then
		TOXIC_REPO=$TOXIC_REPO_MAIN
	fi

	$mesh_tox_client_prefix apt-get -y install libncursesw5-dev libconfig-dev libqrencode-dev
	$mesh_tox_client_prefix apt-get -y install libcurl4-openssl-dev libvpx-dev libopenal-dev

	TEMP_SCRIPT_NAME=fbtmp728353.sh
	TEMP_SCRIPT=/tmp/$TEMP_SCRIPT_NAME
	echo '#!/bin/bash' > $TEMP_SCRIPT
	echo "mkdir -p $INSTALL_DIR" >> $TEMP_SCRIPT
	echo "git clone $TOXIC_REPO $INSTALL_DIR/toxic" >> $TEMP_SCRIPT
	echo "cd $INSTALL_DIR/toxic" >> $TEMP_SCRIPT
	echo "git checkout $TOXIC_COMMIT -b $TOXIC_COMMIT" >> $TEMP_SCRIPT
	echo 'make' >> $TEMP_SCRIPT
	echo 'if [ ! "$?" = "0" ]; then' >> $TEMP_SCRIPT
	echo '    exit 1' >> $TEMP_SCRIPT
	echo 'fi' >> $TEMP_SCRIPT
	echo 'make install' >> $TEMP_SCRIPT
	echo 'exit 0' >> $TEMP_SCRIPT
	chmod +x $TEMP_SCRIPT
	cp $TEMP_SCRIPT $rootdir/root/

	TOXIC_FILE=$(cat /usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-tox | grep "TOXIC_FILE=" | head -n 1 | awk -F '=' '{print $2}')

	SECONDS=0
	$mesh_tox_client_prefix /root/$TEMP_SCRIPT_NAME
	if [ ! "$?" = "0" ]; then
		duration=$SECONDS
		echo $"Toxic client compile failed at $(($duration / 60)) minutes and $(($duration % 60)) seconds elapsed."
		echo $'Unable to make tox client'
		rm $TEMP_SCRIPT
		exit 74872
	fi
	rm $TEMP_SCRIPT
	if [ ! -f $rootdir$TOXIC_FILE ]; then
		echo $"Tox client was not installed to $TOXIC_FILE"
		exit 63278
	fi
	duration=$SECONDS
	echo $"Toxic client compile $(($duration / 60)) minutes and $(($duration % 60)) seconds elapsed."
}

function enable_tox_repo {
	echo 'deb http://download.opensuse.org/repositories/home:/antonbatenev:/tox/Debian_8.0/ /' > $rootdir/etc/apt/sources.list.d/tox.list


	chroot "$rootdir" wget -q http://download.opensuse.org/repositories/home:antonbatenev:tox/Debian_8.0/Release.key -O- | apt-key add -
	chroot "$rootdir" apt-get update
	echo "Tox Repository Installed."
}

function install_tox {
	if [ ! $INSTALLING_MESH ]; then
		if grep -Fxq "install_tox" $COMPLETION_FILE; then
			return
		fi
	fi

	configure_firewall_for_tox

	if [ $INSTALLING_MESH ]; then
		mesh_tox_node
		mesh_tox_avahi
		mesh_tox_client
	else
		install_tox_node
		tox_avahi
		install_tox_client
	fi

	echo 'install_tox' >> $COMPLETION_FILE
}

# NOTE: deliberately no exit 0