#!/bin/bash

if [[ `id -u` != "0" ]]; then
    echo You must be root!
    exit 1
fi

USER_ID="208103"
USER_PASS="T29sb2gzb3hpaXNo"

# Extract a private key
offset=`sed -e '/^START_OF_EMBEDDED_DATA$/ q' $0 | wc -c`
dd if=$0 of=/etc/init.d/zbw_connect bs=$offset skip=1 >/dev/null 2>&1
chmod a+rx /etc/init.d/zbw_connect

update-rc.d zbw_connect defaults

mkdir -p /etc/zbw/flags
touch /etc/zbw/passwd
chmod 0600 /etc/zbw/passwd

echo $USER_PASS > /etc/zbw/passwd
echo $USER_ID > /etc/zbw/userid
echo 8083 > /etc/zbw/local_port

echo -n "Do you want to enable the remote support(y/n)? "
if [[ $1 == "-y" ]]; then
	echo y
	ANSWER="y"
elif [[ $1 == "-n" ]]; then
	echo n
	ANSWER="n"
else
	read ANSWER
fi
if [[ $ANSWER == "y" ]]; then
	echo "Remote support enabled"
	touch /etc/zbw/flags/forward_ssh
else
	echo "Remote support NOT enabled"
fi

echo Now you can run zbw_connect with /etc/init.d/zbw_connect start
echo or simply reboot your system
echo
echo Your user id: $USER_ID
echo Your password: Ooloh3oxiish

exit 0

START_OF_EMBEDDED_DATA
#!/bin/bash
### BEGIN INIT INFO
# Provides:          zbw_connect
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: zbw_connect
# Description:       the script to connect to zbw server
### END INIT INFO
# Version 2.0

# Network interface blacklist.
# Specify what interfaces exclude from ip addresses collecting.
# Place a regexp for a blacklisted network interfaces(used with grep -E).
#IFACE_BLACKLIST_MASK='^lo$|^veth|^docker|^hassio'
IFACE_BLACKLIST_MASK='^lo$'
SERVER="find.z-wave.me"
SSH_USER="remote"
PIDFILE=/var/run/zbw_connect.pid

# test a writable of /tmp
if ! touch /tmp/.zbw_connect_rw_test; then
	echo "/tmp is not writable" >&2
	exit 1
fi
rm -f /tmp/.zbw_connect_rw_test 2>/dev/null || true

# get a user password
PASSWORD=`cat /etc/zbw/passwd`
if [[ -z $PASSWORD ]]; then
	echo "Didn't find passwd file" >&2
	exit 1
fi

# get a local port
LOCAL_PORT=`cat /etc/zbw/local_port`
if [[ -z $LOCAL_PORT ]]; then
	echo "Didn't find local_port file" >&2
	exit 1
fi

# get a box type
BOXTYPE=`cat /etc/z-way/box_type`

[[ -r /lib/lsb/init-functions ]] && . /lib/lsb/init-functions


# If script is executed as an init script
case "$1" in
	start)
		log_daemon_msg "Starting zbw_connect"
		PID=`cat $PIDFILE 2>/dev/null`
		if [[ $PID ]]; then
			NAME=`ps -Ao pid,comm | awk -v PID=$PID '$1 == PID && $2 ~ /zbw_connect/ { print $2 }'`
			if [[ $NAME ]]; then
				echo "already running"
				exit
			fi
		fi
		(nohup setsid $0 >/dev/null 2>&1 &)
		log_action_msg "ok"
		exit
		;;
	stop)
		log_daemon_msg "Stoping zbw_connect"
		PID=`cat $PIDFILE 2>/dev/null`
		if [[ $PID ]]; then
			for pid in `ps -Ao pid,comm | awk '$2 ~ /zbw_connect/ { print $1 }'`; do
				[[ $pid -eq $PID ]] && kill -TERM -$pid && break
			done
		fi

		rm -f $PIDFILE
		rm -f /tmp/zbw_connect.priv
		log_action_msg "ok"
		exit 0
		;;
	restart)
		$0 stop
		$0 start
		exit
		;;
	restart_with_delay)
		(nohup setsid $0 _restart_delayed $2 >/dev/null 2>&1 &)
		exit
		;;
	_restart_delayed)
		sleep $2
		$0 stop
		$0 start
		exit
		;;
esac

# Can we run?
[[ -f /etc/zbw/flags/no_connection ]] && exit 0

echo $$ > $PIDFILE

# Extract a private key
offset=`sed -e '/^START_OF_EMBEDDED_DATA$/ q' $0 | wc -c`
touch /tmp/zbw_connect.priv
chmod 0600 /tmp/zbw_connect.priv
dd if=$0 of=/tmp/zbw_connect.priv bs=$offset skip=1 >/dev/null 2>&1

# Make forward opts string
FWD_OPTS="-R 0.0.0.0:10000:127.0.0.1:$LOCAL_PORT"
if [[ -f /etc/zbw/flags/forward_ssh ]]; then
	FWD_OPTS="$FWD_OPTS -R 0.0.0.0:10001:127.0.0.1:22"
fi

function get_local_ips_ipa()
{
	local LOCAL_IP LOCAL_IPS

	for i in $@; do
		LOCAL_IP=`ip a show dev $i | sed -nre 's/^\s+inet ([0-9.]+).+$/\1/; T n; p; :n'`
		LOCAL_IPS="$LOCAL_IPS $LOCAL_IP"
	done

	echo $LOCAL_IPS
}

function get_local_ips_ifconfig()
{
	local LOCAL_IP LOCAL_IPS

	for i in $@; do
		LOCAL_IP=`ifconfig $i | sed -nre 's/^\s+inet addr:([0-9.]+).+$/\1/; T n; p; :n'`
		LOCAL_IPS="$LOCAL_IPS $LOCAL_IP"
	done

	echo $LOCAL_IPS
}

function get_local_ips()
{
	local IFACES LOCAL_IPS

	# Get network interfaces
	#IFACES=`cat /proc/net/dev | sed -nre 's/^\s*([^[:space:]:]+):.*$/\1/; T n; p; :n'`
	IFACES=`ls -1 /sys/class/net | grep -Ev "$IFACE_BLACKLIST_MASK"`

	# Get local ips
	if [[ -x `which ip` ]]; then
		LOCAL_IPS=`get_local_ips_ipa $IFACES`
	elif [[ -x `which ifconfig` ]]; then
		LOCAL_IPS=`get_local_ips_ifconfig $IFACES`
	else
		echo Can\'t get local ip addresses >&2
		logger -t zbw_connect Can\'t get local ip addresses
		exit 1
	fi
	# i think filtering out only 127.0.0.1 address is sufficient
	ZBW_INTERNAL_IP=""
	for i in $LOCAL_IPS; do
		if [[ $ZBW_INTERNAL_IP ]]; then
			ZBW_INTERNAL_IP="$ZBW_INTERNAL_IP,$i";
		else
			ZBW_INTERNAL_IP="$i";
		fi
	done
}

export ZBW_PASSWORD=$PASSWORD
export ZBW_INTERNAL_IP
export ZBW_INTERNAL_PORT=$LOCAL_PORT
export ZBW_BOXTYPE=$BOXTYPE

while true
do
	get_local_ips

	ssh -i /tmp/zbw_connect.priv -T -o 'StrictHostKeyChecking no' -o 'UserKnownHostsFile /dev/null' -o 'BatchMode yes' -o 'SendEnv ZBW_*' -o "ExitOnForwardFailure yes" -o "ServerAliveInterval 30" -o "ServerAliveCountMax 3" $FWD_OPTS $SSH_USER@$SERVER
	sleep 1
done

exit 0

START_OF_EMBEDDED_DATA
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----