fix_vbox_net.rb

#!ruby
if ENV['USER'] != 'root'
  puts "I need to run with sudo!"
  exit(1)
end

bad_rule = 'deny ip from any to any'
rule_id = nil
rules = `ipfw list`.split(/\n/)
rules.each do |rule|
  if rule.index(bad_rule)
    rule_id = rule.split(/ /).first
    break
  end
end

if rule_id.nil?
  puts "Bad rule was not found. Carry on."
  exit(0)
end

`ipfw delete #{rule_id}`
puts 'Removed bad rule.'

# The network here could be a parameter to the script as well as the interface,
# but for now it's ok.
`route add 192.168.50.0/24 -interface vboxnet2`
`route add 192.168.59.0/24 -interface vboxnet4`