#!/usr/bin/env sh
set -e

#Use resolver. Works for console apps.
mkdir -p /etc/resolver/
echo "nameserver ::1.53" > /etc/resolver/p2p

#a helper function
contains() {
  local x; local n="$1"; shift;
  for x in $@; do
    [ "$x" = "$n" ] && return 0
  done
  return 1
}

#Add localhost to DNS server list for every device.
#The Safari Browser seems to ignore this - let us try it nevertheless.
for device in $(networksetup listallnetworkservices | tail -n+2 | tr '*\n' ' '); do
  servers="$(networksetup -getdnsservers $device | tr '\n' ' ')"
  contains 'DNS' $servers && servers=""
  contains '::1' $servers && continue
  networksetup -setdnsservers "$device" $servers '::1'
done

#launch KadNode
launchctl load "/Library/LaunchDaemons/p2p.kadnode.plist"

exit 0