SoundSoftware Code Site

# Copyright (c) 2009 Michael Koziarski <michael@koziarski.com>

# 

# Permission to use, copy, modify, and/or distribute this software for any

# purpose with or without fee is hereby granted, provided that the above

# copyright notice and this permission notice appear in all copies.

# 

# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

require 'bigdecimal'

alias BigDecimalUnsafe BigDecimal

# This fixes CVE-2009-1904 however it removes legitimate functionality that your

# application may depend on.  You are *strongly* advised to upgrade your ruby

# rather than relying on this fix for an extended period of time.

def BigDecimal(initial, digits=0)

  if initial.size > 255 || initial =~ /e/i

    raise "Invalid big Decimal Value"

  end

  BigDecimalUnsafe(initial, digits)

end