mirror of
https://github.com/fail0verflow/hbc.git
synced 2024-11-04 17:15:13 +01:00
60 lines
1.3 KiB
Python
60 lines
1.3 KiB
Python
|
#!/usr/bin/env python
|
||
|
|
|
||
|
|
import sys, os, os.path
|
||
|
|
import pywii as wii
|
||
|
|
|
||
|
|
wii.loadkeys()
|
||
|
|
|
||
|
|
def parseint(d):
|
||
|
|
if len(d) > 2 and d[0:2].lower()=='0x':
|
||
|
|
return int(d,16)
|
||
|
|
return int(d)
|
||
|
|
|
||
|
|
if len(sys.argv) < 4 or len(sys.argv) > 7:
|
||
|
|
print "Usage:"
|
||
|
|
print " python %s <encrypted ISO> <partition number> <root path to extract to> "%sys.argv[0]
|
||
|
|
sys.exit(1)
|
||
|
|
|
||
|
|
iso_name, partno, data_name = sys.argv[1:4]
|
||
|
|
partno = int(partno)
|
||
|
|
part_offset = 0
|
||
|
|
data_offset = 0
|
||
|
|
copy_length = None
|
||
|
|
|
||
|
|
if len(sys.argv) >= 5:
|
||
|
|
part_offset = parseint(sys.argv[4])
|
||
|
|
if len(sys.argv) == 6:
|
||
|
|
copy_length = parseint(sys.argv[5])
|
||
|
|
|
||
|
|
if copy_length is not None and copy_length < 0:
|
||
|
|
print "Error: negative copy length"
|
||
|
|
sys.exit(1)
|
||
|
|
|
||
|
|
disc = wii.WiiDisc(iso_name)
|
||
|
|
disc.showinfo()
|
||
|
|
part = wii.WiiCachedPartition(disc, partno, cachesize=32, debug=False, checkhash=False)
|
||
|
|
if part_offset >= part.data_bytes:
|
||
|
|
print "Error: Offset past end of partition"
|
||
|
|
sys.exit(1)
|
||
|
|
if copy_length is None:
|
||
|
|
copy_length = part.data_bytes - part_offset
|
||
|
|
if copy_length > (part.data_bytes - part_offset):
|
||
|
|
print "Error: Length too large"
|
||
|
|
sys.exit(1)
|
||
|
|
|
||
|
|
dataf = open(data_name, "wb")
|
||
|
|
left = copy_length
|
||
|
|
offset = part_offset
|
||
|
|
while left > 0:
|
||
|
|
blocklen = min(left, 4*1024*1024)
|
||
|
|
d = part.read(offset, blocklen)
|
||
|
|
if len(d) != blocklen:
|
||
|
|
print "Part EOF reached!"
|
||
|
|
sys.exit(1)
|
||
|
|
dataf.write(d)
|
||
|
|
offset += blocklen
|
||
|
|
left -= blocklen
|
||
|
|
|
||
|
|
dataf.close()
|
||
|
|
|