def open(self,
file=None,
mode='rb',
cryptoType=-1,
cryptoKey=-1,
cryptoCounter=-1):
super(Nca, self).open(file, mode, cryptoType, cryptoKey, cryptoCounter)
self.header = NcaHeader()
self.partition(0x0, 0xC00, self.header, Fs.Type.Crypto.XTS,
uhx(Keys.get('header_key')))
#Print.info('partition complete, seeking')
self.header.seek(0x400)
# Print.info('reading')
# Hex.dump(self.header.read(0x200))
# exit()
if self._path is not None and self._path.endswith('.ncz'):
return
for i in range(4):
hdr = self.header.read(0x200)
section = BaseFs(hdr, cryptoKey=self.header.titleKeyDec)
fs = GetSectionFilesystem(hdr, cryptoKey=-1)
#Print.info('fs type = ' + hex(fs.fsType))
#Print.info('fs crypto = ' + hex(fs.cryptoType))
#Print.info('st end offset = ' + str(self.header.sectionTables[i].endOffset - self.header.sectionTables[i].offset))
#Print.info('fs offset = ' + hex(self.header.sectionTables[i].offset))
#Print.info('fs section start = ' + hex(fs.sectionStart))
#Print.info('titleKey = ' + hex(self.header.titleKeyDec))
self.partition(self.header.sectionTables[i].offset,
self.header.sectionTables[i].endOffset -
self.header.sectionTables[i].offset,
section,
cryptoKey=self.header.titleKeyDec)
try:
section.partition(fs.sectionStart,
section.size - fs.sectionStart, fs)
except BaseException as e:
pass
# Print.info(e)
# raise
if fs.fsType:
self.sectionFilesystems.append(fs)
self.sections.append(section)
try:
fs.open(None, 'rb')
except BaseException as e:
Print.error(str(e))
traceback.print_exc(file=sys.stdout)
self.titleKeyDec = None
def GetSectionFilesystem(buffer, cryptoKey):
fsType = buffer[0x3]
if fsType == Fs.Type.Fs.PFS0:
return Pfs0(buffer, cryptoKey=cryptoKey)
if fsType == Fs.Type.Fs.ROMFS:
return Rom(buffer, cryptoKey=cryptoKey)
return BaseFs(buffer, cryptoKey=cryptoKey)
def __init__(self, buffer, path=None, mode=None, cryptoType=-1, cryptoKey=-1, cryptoCounter=-1): BaseFs.__init__(self, buffer, path, mode, cryptoType, cryptoKey, cryptoCounter) if buffer: self.size = int.from_bytes(buffer[0x48:0x50], byteorder='little', signed=False) self.sectionStart = int.from_bytes(buffer[0x40:0x48], byteorder='little', signed=False)
