#! /bin/sh

# BACKEND_PORT is set by `docker run --link BACKEND:foo' on the form
# tcp://<ip>:<port>. See https://docs.docker.com/userguide/dockerlinks/.

if  [ -n "${HSPORT}" ]; then
    HSPORT=80                   # Default localhost:80 -> .onion:80
    if [ -n "${BACKEND_PORT}" ]; then
        HSPORT="80 "$(echo ${BACKEND_PORT} | sed 's|^.*://||1')
    fi
fi    

if ! [ -e /etc/tor/torrc ]; then
    echo "SocksPort 0" >> /etc/tor/torrc
    echo "DataDirectory /var/lib/tor" >> /etc/tor/torrc
    echo "HiddenServiceDir /var/lib/tor/hs" >> /etc/tor/torrc
    echo "HiddenServicePort ${HSPORT}" >> /etc/tor/torrc
fi

/usr/bin/tor -f /etc/tor/torrc --user debian-tor