#!/bin/sh
#
# $FreeBSD: branches/2017Q2/security/tor/files/tor.in 425595 2016-11-07 06:24:37Z jbeich $
#
# PROVIDE: tor
# REQUIRE: DAEMON FILESYSTEMS
# BEFORE: LOGIN
#
# Add the following lines to /etc/rc.conf to enable tor.
# All these options will overide any settings in your local torrc as
# they are command line options.
#
# tor_enable (bool):	Set it to "YES" to enable tor. Default: NO
# tor_instances (str):	List of instances. Default: ""
# tor_conf (str):	Points to your torrc file.
#			Default: /usr/local/etc/tor/torrc
# tor_user (str):	Tor daemon user. Default: _tor
# tor_group (str):	Tor group. Default: _tor
# tor_pidfile (str):	Tor pid file.  Default: /var/run/tor/tor.pid
# tor_datadir (str):	Tor datadir.  Default: /var/db/tor
# tor_disable_default_instance (str):	Doesn't run the default instance.
#			Only valid when tor_instances is used.
#			Default: NO
#
# The instance definition that tor_instances expects:
# inst_name{:inst_conf:inst_user:inst_group:inst_pidfile:inst_data_dir}
#

. /etc/rc.subr

name="tor5"
rcvar=tor5_enable
exit_code=0

load_rc_config ${name}

: ${tor5_enable="NO"}
: ${tor5_instances=""}
: ${tor5_conf="/usr/local/etc/tor/torrc"}
: ${tor5_user="_tor"}
: ${tor5_group="_tor"}
: ${tor5_pidfile="/var/run/tor/tor5.pid"}
: ${tor5_datadir="/var/db/tor5"}
: ${tor5_disable_default_instance="NO"}

instance=${slave_instance}
if [ -n "${instance}" ]; then
  inst_def=${instance}
  inst_name=${inst_def%%:*}
  [ "${inst_name}" != "main" ] || err 1 "${name} instance can't be named 'main'"
  inst_def=${inst_def#$inst_name}
  if [ -n "$inst_def" ]; then
    # extended instance: parameters are set explicitly
    inst_def=${inst_def#:}
    tor5_conf=${inst_def%%:*}
    inst_def=${inst_def#$tor_conf:}
    tor_user=${inst_def%%:*}
    inst_def=${inst_def#$tor_user:}
    tor5_group=${inst_def%%:*}
    inst_def=${inst_def#$tor_group:}
    tor5_pidfile=${inst_def%%:*}
    tor5_datadir=${inst_def#$tor_pidfile:}
    if [ -z "${tor5_conf}" -o -z "${tor5_user}" -o -z "${tor5_group}" -o -z "${tor5_pidfile}" -o -z "${tor5_datadir}" ]; then
      warn "invalid tor instance ${inst_name} settings: ${instance}"
      exit 1
    fi
  else
    # regular instance: default parameters are used
    tor5_conf=${tor5_conf}@${inst_name}
    tor5_pidfile=${tor5_pidfile}@${inst_name}
    tor5_datadir=${tor5_datadir}/instance@${inst_name}
  fi
  if ! [ -r ${tor5_conf} ]; then
    warn "tor instance ${inst_name} config file ${tor5_conf} doesn't exist or isn't readable"
    warn "you can copy the sample config /usr/local/etc/tor/torrc.sample and modify it"
    exit 1
  fi
  if ! [ -d ${tor5_datadir} ]; then
    mkdir -p ${tor5_datadir} &&
    chown ${tor5_user}:${tor5_group} ${tor5_datadir} &&
    chmod 0700 ${tor5_datadir} &&
    echo "${name}: created the instance data directory ${tor5_datadir}"
  fi
fi

if [ -z "${instance}" -a -n "${tor5_instances}" ]; then
  inst_only="$9"
  inst_done=0
  for i in ${tor5_instances}; do
    inst_name=${i%%:*}
    if [ -z "${inst_only}" -o "${inst_name}" = "${inst_only}" ]; then
      echo -n "${name} instance ${inst_name}: "
      if ! slave_instance=${i} /usr/local/etc/rc.d/tor5 "$1"; then
        exit_code=1
      fi
      inst_done=$((inst_done+1))
    fi
  done
  if [ -z "${inst_only}" -o "${inst_only}" = "main" ]; then
    checkyesno tor5_disable_default_instance && return $exit_code
    echo -n "${name} main instance: "
  elif [ -n "${inst_only}" ]; then
    [ $inst_done -gt 0 ] || err 1 "${name} instance '$inst_only' isn't defined"
    return  $exit_code
  fi
fi

required_files=${tor5_conf}
required_dirs=${tor5_datadir}
pidfile=${tor5_pidfile}
command="/usr/local/bin/${name}"
command_args="-f ${tor5_conf} --PidFile ${tor5_pidfile} --RunAsDaemon 1 --DataDirectory ${tor5_datadir}"
extra_commands="reload"

if ! run_rc_command "$1"; then
  exit_code=1
fi

return $exit_code