qwad/WiiPy/export.py

253 lines
8.0 KiB
Python
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2012-08-21 19:28:14 +02:00
from common import *
from title import *
class Savegame():
class savegameHeader(Struct):
__endian__ = Struct.BE
def __format__(self):
self.savegameId = Struct.uint32[2]
self.bannerSize = Struct.uint32
self.permissions = Struct.uint8
self.unknown1 = Struct.uint8
self.md5hash = Struct.string(16)
self.unknown2 = Struct.uint16
class savegameBanner(Struct):
__endian__ = Struct.BE
def __format__(self):
self.magic = Struct.string(4)
self.reserved = Struct.uint8[4]
self.flags = Struct.uint32
self.reserved = Struct.uint32[5]
self.gameTitle = Struct.string(64)
self.gameSubTitle = Struct.string(64)
self.banner = Struct.string(24576)
self.icon0 = Struct.string(4608)
self.icon1 = Struct.string(4608)
self.icon2 = Struct.string(4608)
self.icon3 = Struct.string(4608)
self.icon4 = Struct.string(4608)
self.icon5 = Struct.string(4608)
self.icon6 = Struct.string(4608)
self.icon7 = Struct.string(4608)
class backupHeader(Struct):
__endian__ = Struct.BE
def __format__(self):
self.hdrSize = Struct.uint32
self.magic = Struct.string(2)
self.version = Struct.uint16
self.NGid = Struct.uint32
self.filesCount = Struct.uint32
self.filesSize = Struct.uint32
self.unknown1 = Struct.uint32
self.unknown2 = Struct.uint32
self.totalSize = Struct.uint32
self.unknown3 = Struct.uint8[64]
self.unknown4 = Struct.uint32
self.gameId = Struct.string(4)
self.wiiMacAddr = Struct.uint8[6]
self.unknown6 = Struct.uint16
self.padding = Struct.uint32[4]
class fileHeader(Struct):
__endian__ = Struct.BE
def __format__(self):
self.magic = Struct.uint32
self.size = Struct.uint32
self.permissions = Struct.uint8
self.attribute = Struct.uint8
self.type = Struct.uint8
self.nameIV = Struct.string(0x45)
def __init__(self, f):
self.f = f
try:
self.fd = open(f, 'r+b')
except:
raise Exception('Cannot open input')
self.sdKey = '\xab\x01\xb9\xd8\xe1\x62\x2b\x08\xaf\xba\xd8\x4d\xbf\xc2\xa5\x5d'
self.sdIv = '\x21\x67\x12\xe6\xaa\x1f\x68\x9f\x95\xc5\xa2\x23\x24\xdc\x6a\x98'
self.iconCount = 1
def __str__(self):
ret = ''
ret += '\nSavegame header \n'
ret += 'Savegame ID : 0x%x%x\n' % (self.hdr.savegameId[0], self.hdr.savegameId[1])
ret += 'Banner size : 0x%x\n' % self.hdr.bannerSize
ret += 'Permissions : 0x%x\n' % self.hdr.permissions
ret += 'Unknown : 0x%x\n' % self.hdr.unknown1
ret += 'MD5 hash : %s\n' % hexdump(self.hdr.md5hash)
ret += 'Unknown : 0x%x\n' % self.hdr.unknown2
ret += '\nBanner header \n'
ret += 'Flags : 0x%x\n' % self.bnr.flags
ret += 'Game title : %s\n' % self.bnr.gameTitle
ret += 'Game subtitle : %s\n' % self.bnr.gameSubTitle
ret += 'Icons found : %i\n' % self.iconCount
ret += '\nBackup header \n'
ret += 'Header size : 0x%x (+ 0x10 of padding) version 0x%x\n' % (self.bkHdr.hdrSize, self.bkHdr.version)
if self.bkHdr.gameId[3] == 'P':
ret += 'Region : PAL\n'
elif self.bkHdr.gameId[3] == 'E':
ret += 'Region : NTSC\n'
elif self.bkHdr.gameId[3] == 'J':
ret += 'Region : JAP\n'
ret += 'Game ID : %s\n' % self.bkHdr.gameId
ret += 'Wii unique ID : 0x%x\n' % self.bkHdr.NGid
ret += 'Wii MAC address %02x:%02x:%02x:%02x:%02x:%02x\n' % (self.bkHdr.wiiMacAddr[0], self.bkHdr.wiiMacAddr[1], self.bkHdr.wiiMacAddr[2], self.bkHdr.wiiMacAddr[3], self.bkHdr.wiiMacAddr[4], self.bkHdr.wiiMacAddr[5])
ret += 'Found %i files for %i bytes\n' % (self.bkHdr.filesCount, self.bkHdr.filesSize)
ret += 'Total size : %i bytes\n' % self.bkHdr.totalSize
ret += 'This save is %i blocks wise' % (self.bkHdr.totalSize / 0x20000)
return ret
def extractFiles(self):
try:
os.mkdir(os.path.dirname(self.f) + '/' + self.bkHdr.gameId)
except:
pass
os.chdir(os.path.dirname(self.f) + '/' + self.bkHdr.gameId)
self.fd.seek(self.fileStartOffset)
for i in range(self.bkHdr.filesCount):
fileHdr = self.fd.read(0x80)
fileHdr = self.fileHeader().unpack(fileHdr)
if fileHdr.magic != 0x03adf17e:
raise Exception('Wrong file magic')
fileHdr.size = align(fileHdr.size, 64)
ivpos = 0
name = ""
i = 0
for char in list(fileHdr.nameIV):
if(char == "\x00"):
i -= 1
ivpos = i
break
else:
name += char
i += 1
fileIV = fileHdr.nameIV[ivpos:ivpos + 16]
if len(fileIV) != 16:
raise Exception('IV alignment issue')
if fileHdr.type == 1:
print 'Extracted %s (%ib)' % (name, fileHdr.size)
fileBuffer = self.fd.read(fileHdr.size)
fileBuffer = Crypto().decryptData(self.sdKey, fileIV, fileBuffer, True)
try:
open(name, 'w+b').write(fileBuffer)
except:
raise Exception('Cannot write the output')
elif fileHdr.type == 2:
print 'Extracted folder %s' % name
try:
os.mkdir(name)
except:
pass
print 'Attribute %i Permission %i' % (fileHdr.attribute, fileHdr.permissions)
print 'File IV : 0x%s' % hexdump(fileIV, '')
os.chdir('..')
def analyzeHeader(self):
headerBuffer = self.fd.read(0xF0C0)
headerBuffer = Crypto().decryptData(self.sdKey, self.sdIv, headerBuffer, True)
self.hdr = self.savegameHeader().unpack(headerBuffer[:0x20])
#headerBuffer.replace(self.hdr.md5hash, '\x0e\x65\x37\x81\x99\xbe\x45\x17\xab\x06\xec\x22\x45\x1a\x57\x93')
#print 'Reashed md5 : %s' % hexdump(Crypto().createMD5Hash(headerBuffer))
self.bnr = self.savegameBanner().unpack(headerBuffer[0x20:])
if self.bnr.magic != 'WIBN':
raise Exception ('Wrong magic, should be WIBN')
if self.hdr.bannerSize != 0x72A0:
self.iconCount += 7
bkHdrBuffer = self.fd.read(0x80)
self.bkHdr = self.backupHeader().unpack(bkHdrBuffer)
if self.bkHdr.magic != 'Bk' or self.bkHdr.hdrSize != 0x70:
raise Exception ('Bk header error')
self.fileStartOffset = self.fd.tell()
def eraseWiiMac(self):
self.fd.seek(0xF128)
print self.fd.write('\x00' * 6)
def getBanner(self):
try:
os.mkdir(os.path.dirname(self.f) + '/' + self.bkHdr.gameId)
except:
pass
os.chdir(os.path.dirname(self.f) + '/' + self.bkHdr.gameId)
return Image.fromstring("RGBA", (192, 64), TPL('').RGB5A3((192, 64), self.bnr.banner)).save('banner', 'png')
def getIcon(self, index):
if index < 0 or index > 7 or index > self.iconCount:
return -1
try:
os.mkdir(os.path.dirname(self.f) + '/' + self.bkHdr.gameId)
except:
pass
os.chdir(os.path.dirname(self.f) + '/' + self.bkHdr.gameId)
if index == 0:
return Image.fromstring("RGBA", (48, 48), TPL('').RGB5A3((48, 48), self.bnr.icon0)).save('icon' + str(index), 'png')
if index == 1:
return Image.fromstring("RGBA", (48, 48), TPL('').RGB5A3((48, 48), self.bnr.icon1)).save('icon' + str(index), 'png')
if index == 2:
return Image.fromstring("RGBA", (48, 48), TPL('').RGB5A3((48, 48), self.bnr.icon2)).save('icon' + str(index), 'png')
if index == 3:
return Image.fromstring("RGBA", (48, 48), TPL('').RGB5A3((48, 48), self.bnr.icon3)).save('icon' + str(index), 'png')
if index == 4:
return Image.fromstring("RGBA", (48, 48), TPL('').RGB5A3((48, 48), self.bnr.icon4)).save('icon' + str(index), 'png')
if index == 5:
return Image.fromstring("RGBA", (48, 48), TPL('').RGB5A3((48, 48), self.bnr.icon5)).save('icon' + str(index), 'png')
if index == 6:
return Image.fromstring("RGBA", (48, 48), TPL('').RGB5A3((48, 48), self.bnr.icon6)).save('icon' + str(index), 'png')
if index == 7:
return Image.fromstring("RGBA", (48, 48), TPL('').RGB5A3((48, 48), self.bnr.icon7)).save('icon' + str(index), 'png')
def getIconsCount(self):
return self.iconCount
def getSaveString(self, string):
if string == 'id':
return self.bkHdr.gameId
elif string == 'title':
return self.bnr.gameTitle
elif string == 'subtitle':
return self.bnr.gameSubTitle
elif string == 'mac':
return self.bkHdr.wiiMacAddr[0] + ':' + self.bkHdr.wiiMacAddr[1] + ':' + self.bkHdr.wiiMacAddr[2] + ':' + self.bkHdr.wiiMacAddr[3] + ':' + self.bkHdr.wiiMacAddr[4] + ':' + self.bkHdr.wiiMacAddr[5]
def getFilesCount(self):
return self.bkHdr.filesCount