#!/bin/sh 

## Mount directories into /ftp

vsftp_add_user() {
	local username="$1"
	local password="$2"
	echo "Adding user:$username with password:******"
	mkdir -p "/home/$username"

	# UID 33 is for www-data in WP
	adduser \
		-h "/home/$username" \
		-s /bin/sh \
		-D \
		"$username"
	echo "$username:$password" | chpasswd
	# GID 33 is for www-data in WP
	sed -i "s/^$username:x:[0-9]*:[0-9]*:/$username:x:33:33:/" /etc/passwd
	sed -i "s/^$username:x:[0-9]*:/$username:x:33:/" /etc/group
	chown "$username:$username" "/home/$username"
}

vsftp_main() {

	# Create users
	idx=0
	while true ; do 
		idx=$((idx + 1 ))
		eval "username=\${VSFTP_USER_${idx}_USERNAME:-}"
		eval "password=\${VSFTP_USER_${idx}_PASSWORD:-}"
		if [ -z "$username" ]; then break ; fi
		vsftp_add_user "$username" "$password"	
	done

	echo "Starting VSFTP"
	exec vsftpd /etc/vsftpd/vsftpd.conf
}

sed -i \
	"s/^pasv_address=.*$/pasv_address=${VSFTP_HOSTNAME:-}/" \
	"s/^anonymous_enable=.*$/anonymous_enable=NO/" \
	/etc/vsftpd/vsftpd.conf

{ 
	echo "log_ftp_protocol=YES" ; 
} >> /etc/vsftpd/vsftpd.conf

vsftp_main