#!/usr/bin/env bash
# Copyright 2018 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# Run this command in Fuchsia development environment, or at minimum,
# source ${FUCHSIA_DIR}/scripts/devshell/lib/vars.sh

### Register Zircon tools at MacOS Application Firewall

FIREWALL_CMD="/usr/libexec/ApplicationFirewall/socketfilterfw"

function list_zircon_tools() {
  TOOL_LIST="$(${FIREWALL_CMD} --listapps | grep zircon | awk '{print $3}')"
  for f in "${TOOL_LIST[@]}"; do
    echo "${f}"
  done
}

function clear_zircon_tools() {
  TOOL_LIST="$(${FIREWALL_CMD} --listapps | grep zircon | awk '{print $3}')"
  for f in ${TOOL_LIST}; do
    sudo ${FIREWALL_CMD} --remove "${f}" &> /dev/null
  done
}

function allow_zircon_tools() {
  for f in ${ZIRCON_TOOLS_DIR}/*; do
    sudo ${FIREWALL_CMD} --add "$f" --unblockapp "$f" &> /dev/null
  done
}

function main() {
  echo "  clearing firewall rules.."
  clear_zircon_tools
  echo "  adding firewall rules.."
  allow_zircon_tools

  # Activate the changes
  sudo ${FIREWALL_CMD} --setglobalstate off &> /dev/null
  sudo ${FIREWALL_CMD} --setglobalstate on &> /dev/null
  echo "..done"

  echo "  following tools are registered in the firewall rules:"
  echo " "
  list_zircon_tools
  echo " "
}

main