Remove unsign script, not neded

unsign

@@ -1,99 +0,0 @@
-#!/usr/bin/env ruby
-# Deactivates any embedded code signatures in a Mach-O binary.
-
-module MachO
-  class Unsign
-    def self.unsign(filename)
-      File.open(filename, "r+") do |f|
-        Unsign.new(f).headers
-      end
-    end
-
-    attr_accessor :headers
-
-    protected
-
-    FatHeader = Struct.new(:cpu_type, :cpu_subtype, :offset, :size, :align, :mach)
-    MachHeader = Struct.new(:cpu_type, :cpu_subtype, :filetype, :ncmds, :sizeofcmds, :flags, :reserved, :cmds)
-    LoadCommand = Struct.new(:cmd, :cmdsize)
-
-    def initialize(f)
-      @f = f
-      @headers = process
-    end
-
-    def debug(message)
-      puts message if ENV["DEBUG"]
-    end
-
-    def word_type
-      @big_endian ? 'N' : 'V'
-    end
-
-    def patch_code_signature(lc)
-      # just change LC_CODE_SIGNATURE to a high value that will be ignored by the loader
-      debug "PATCHING LC_CODE_SIGNATURE"
-      @f.seek(-8, IO::SEEK_CUR)
-      @f.write([0xff, lc.cmdsize].pack("#{word_type}2"))
-      lc
-    end
-
-    def process_mach
-      len = @x86_64 ? 7 : 6
-      header = MachHeader.new(*@f.read(len*4).unpack("#{word_type}#{len}"))
-      debug "MACH HEADER: #{header.inspect}"
-      header.cmds = (1..(header.ncmds)).collect do
-        lc = LoadCommand.new(*@f.read(8).unpack("#{word_type}2"))
-        debug "LOAD COMMAND: #{lc.inspect}"
-
-        lc = case lc.cmd
-        when 0x1d then patch_code_signature(lc)
-        else lc
-        end
-
-        @f.seek(lc.cmdsize - 8, IO::SEEK_CUR)
-
-        lc
-      end
-      header
-    end
-
-    def process_fat
-      num_arches, = @f.read(4).unpack("N")
-      arches = (1..num_arches).collect do
-        FatHeader.new(*@f.read(20).unpack("N5"))
-      end
-      debug "FAT HEADER: #{arches.inspect}"
-      arches.each do |arch|
-        @f.seek(arch.offset)
-        arch.mach = process
-      end
-      arches
-    end
-
-    def process
-      magic, = @f.read(4).unpack("N")
-      debug "MAGIC: 0x%08x" % magic
-      case magic
-      when 0xcafebabe then @big_endian, @x86_64 = false, false; process_fat
-      when 0xfeedface then @big_endian, @x86_64 = true,  false; process_mach
-      when 0xcffaedfe then @big_endian, @x86_64 = false, true;  process_mach
-      when 0xcefaedfe then @big_endian, @x86_64 = false, false; process_mach
-      else raise "unknown magic: 0x%08x" % magic
-      end
-    end
-  end
-end
-
-# command line driver
-if __FILE__ == $0
-  if ARGV.empty?
-    $stderr.puts "usage:  #{$0} filename ..."
-    exit 1
-  end
-
-  ARGV.each do |filename|
-    puts "removing signatures from: #{filename}"
-    MachO::Unsign::unsign(filename)
-  end
-end