Example #1
0
def main():
    args = parseArguments()
    device = get_blockdev(args.disk[0])
    gpt = GPT(device)

    primary_header = gpt.get_gpt_header()
    secondary_header = gpt.get_gpt_header(True)

    gpt_entries = gpt.get_table()

    block_size = device.get_block_count()
    print 'Determined block_size of %d blocks' % block_size

    secondary_header_offset = block_size - 1
    secondary_table_offset = block_size - 33
    last_usable_lba = block_size - 34

    print 'Secondary header will be moved to sector %d' % secondary_header_offset

    primary_header.last_usable_lba = last_usable_lba
    secondary_header.last_usable_lba = last_usable_lba

    primary_header.other_offset = secondary_header_offset
    secondary_header.own_offset = secondary_header_offset
    secondary_header.table_start_lba = secondary_table_offset

    gpt.write_gpt(primary_header, gpt_entries)
    gpt.write_gpt(secondary_header, gpt_entries)

    device.close()
def main():
    args = parseArguments()
    device = get_blockdev(args.disk[0])
    gpt = GPT(device)

    primary_header = gpt.get_gpt_header()
    secondary_header = gpt.get_gpt_header(True)

    gpt_entries = gpt.get_table()

    block_size = device.get_block_count()
    print "Determined block_size of %d blocks" % block_size

    secondary_header_offset = block_size - 1
    secondary_table_offset = block_size - 33
    last_usable_lba = block_size - 34

    print "Secondary header will be moved to sector %d" % secondary_header_offset

    primary_header.last_usable_lba = last_usable_lba
    secondary_header.last_usable_lba = last_usable_lba

    primary_header.other_offset = secondary_header_offset
    secondary_header.own_offset = secondary_header_offset
    secondary_header.table_start_lba = secondary_table_offset

    gpt.write_gpt(primary_header, gpt_entries)
    gpt.write_gpt(secondary_header, gpt_entries)

    device.close()
Example #3
0
def main():
	args = parseArguments()
	device = BlockDev(args.disk[0])
	gpt = GPT(device)

	primary_header = gpt.get_gpt_header()
	secondary_header = gpt.get_gpt_header(True)

	primary_table_entries = gpt.get_table()
	secondary_table_entries = gpt.get_table(True)

	primary_header_checksum = gpt._calc_header_crc32(primary_header.serialize(), primary_header.header_size)
	secondary_header_checksum = gpt._calc_header_crc32(secondary_header.serialize(), secondary_header.header_size)

	primary_table_checksum = gpt._calc_table_crc32(gpt_entries=primary_table_entries)
	secondary_table_checksum = gpt._calc_table_crc32(gpt_entries=secondary_table_entries)

	if primary_header.header_checksum != primary_header_checksum:
		print '[WARNING] Checksum mismatch for primary header:'
		print '\t Expected: %.8x'%primary_header.header_checksum
		print '\t Calculated: %.8x'%primary_header_checksum

	if secondary_header.header_checksum != secondary_header_checksum:
		print '[WARNING] Checksum mismatch for secondary header'
		print '\t Expected: %.8x'%secondary_header.header_checksum
		print '\t Calculated: %.8x'%secondary_header_checksum

	if primary_header.table_checksum != primary_table_checksum:
		print '[WARNING] Checksum mismatch for primary table'
		print '\t Expected: %.8x'%primary_header.table_checksum
		print '\t Calculated: %.8x'%primary_table_checksum

	if secondary_header.table_checksum != secondary_table_checksum:
		print '[WARNING] Checksum mismatch for secondary table'
		print '\t Expected: %.8x'%secondary_header.table_checksum
		print '\t Calculated: %.8x'%secondary_table_checksum

	print 'Start of primary table: %d'%primary_header.table_start_lba
	print 'Position of secondary header: %d'%primary_header.other_offset

	for entry in primary_table_entries:
		print '[PARTITION] Name: %s'%entry.name
		print '\t Start LBA: %d'%entry.first_lba
		print '\t Size: %d'%(entry.last_lba - entry.first_lba)