init/upstart/regulatory-domain.conf

# Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

description     "Set regulatory domain for restrictive domains"
author          "chromium-os-dev@chromium.org"

# We also need to run after cfg80211 is loaded by network-services.conf so
# the "iw" command will work.
start on started network-services

# The list of regulatory domains which we must apply in order to constrain
# the system to a more restrictive behavior than our world regulatory domain.
# The system can only be set to one regulatory domain at a time.  As well,
# any given system should have only one "region" value.  However, in order
# to hedge against any strange cases, this value should be in decreasing
# order of constraints, so the system will attain the most constrained
# domain.
script
  region="$(vpd_get_value region | tr '[:lower:]' '[:upper:]')"
  regdomain="${region%%.*}"

  case "${regdomain}" in
    ID|AR|US|RU)
      # Wait for a wireless LAN interface to appear, since this regdomain
      # needs to be applied afterwards.
      wait_tries=0
      while [ ${wait_tries} -le 10 ] ; do
        if iw dev | grep -q Interface; then
          break
        fi
        sleep 1
        wait_tries=$((wait_tries + 1))
      done
      iw reg set "${regdomain}"
      break
    ;;
  esac
end script