Method: Rex::OLE::FAT#write

Defined in:
lib/rex/ole/fat.rb

#write(difat) ⇒ Object 



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# File 'lib/rex/ole/fat.rb', line 62

def write(difat)
  # we build the difat as we write these..
  difat.reset

  # allocate the sectors
  fat_sects = []
  left = @entries.length
  while (left > 0)
    if (left > @stg.header.idx_per_sect)
      left -= @stg.header.idx_per_sect
    else
      left = 0
    end
    fat_sects << allocate_sector(SECT_FAT)
  end

  # write the fat into the difat/allocated sectors
  copy = @entries.dup
  fat_sects.each { |fs|
    part = copy.slice!(0, @stg.header.idx_per_sect)
    sbuf = Util.pack32array(part)

    if (sbuf.length != @stg.header.sector_size)
      raise RuntimeError, 'Unsupported number of fat sectors (not multiple of idx per sect)'
    end

    @stg.write_sector_raw(fs, sbuf)
    difat << fs
  }
end