mirror of
https://gitlab.com/Nanolx/qwad.git
synced 2024-11-01 00:25:06 +01:00
358 lines
12 KiB
Python
358 lines
12 KiB
Python
from common import *
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from title import *
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class WOD: #WiiOpticalDisc
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class discHeader(Struct):
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__endian__ = Struct.BE
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def __format__(self):
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self.discId = Struct.string(1)
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self.gameCode = Struct.string(2)
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self.region = Struct.string(1)
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self.makerCode = Struct.uint8[2]
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self.h = Struct.uint8
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self.version = Struct.uint8
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self.audioStreaming = Struct.uint8
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self.streamingBufSize = Struct.uint8
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self.unused = Struct.uint8[14]
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self.magic = Struct.uint32
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self.title = Struct.string(64)
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self.hashVerify = Struct.uint8
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self.h3verify = Struct.uint8
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def __str__(self):
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ret = ''
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ret += '%s [%s%s%s]\n' % (self.title, self.discId, self.gameCode, self.region)
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if self.region == 'P':
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ret += 'Region : PAL\n'
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elif self.region == 'E':
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ret += 'Region : NTSC\n'
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elif self.region == 'J':
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ret += 'Region : JPN\n'
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ret += 'Version 0x%x Maker %i%i Audio streaming %x\n' % (self.version, self.makerCode[0], self.makerCode[1], self.audioStreaming)
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ret += 'Hash verify flag 0x%x H3 verify flag : 0x%x\n' % (self.hashVerify, self.h3verify)
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return ret
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# Many many thanks to Wiipower
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class Apploader(Struct):
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__endian__ = Struct.BE
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def __format__(self):
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self.buildDate = Struct.string(16)
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self.entryPoint = Struct.uint32
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self.size = Struct.uint32
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self.trailingSize = Struct.uint32
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self.padding = Struct.uint8[4]
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def __str__(self):
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ret = ''
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ret += 'Apploader built on %s\n' % self.buildDate
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ret += 'Entry point 0x%x\n' % self.entryPoint
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ret += 'Size %i (%i of them are trailing)\n' % (self.size, self.trailingSize)
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return ret
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def __str__(self):
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ret = ''
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ret += '%s\n' % self.discHdr
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ret += 'Found %i partitions (table at 0x%x)\n' % (self.partitionCount, self.partsTableOffset)
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ret += 'Found %i channels (table at 0x%x)\n' % (self.channelsCount, self.chansTableOffset)
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ret += '\n'
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ret += 'Partition %i opened (type 0x%x) at 0x%x\n' % (self.partitionOpen, self.partitionType, self.partitionOffset)
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ret += 'Partition name : %s' % self.partitionHdr
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ret += 'Partition key : %s\n' % hexdump(self.partitionKey)
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ret += 'Partition IOS : IOS%i\n' % self.partitionIos
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ret += 'Partition tmd : 0x%x (%x)\n' % (self.tmdOffset, self.tmdSize)
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ret += 'Partition main.dol : 0x%x (%x)\n' % (self.dolOffset, self.dolSize)
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ret += 'Partition FST : 0x%x (%x)\n' % (self.fstSize, self.fstOffset)
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ret += '%s\n' % (self.appLdr)
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return ret
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def __init__(self, f):
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self.f = f
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self.fp = open(f, 'rb')
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self.discHdr = self.discHeader().unpack(self.fp.read(0x400))
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if self.discHdr.magic != 0x5D1C9EA3:
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raise Exception('Wrong disc magic')
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self.fp.seek(0x40000)
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self.partitionCount = 1 + struct.unpack(">I", self.fp.read(4))[0]
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self.partsTableOffset = struct.unpack(">I", self.fp.read(4))[0] << 2
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self.channelsCount = struct.unpack(">I", self.fp.read(4))[0]
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self.chansTableOffset = struct.unpack(">I", self.fp.read(4))[0] << 2
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self.markedBlocks = []
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self.partitionOpen = -1
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self.partitionOffset = -1
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self.partitionType = -1
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def markContent(self, offset, size):
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blockStart = offset / 0x7C00
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blockLen = (align(size, 0x7C00)) / 0x7C00
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for x in range(blockStart, blockStart + blockLen):
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try:
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self.markedBlocks.index(blockStart + x)
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except:
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self.markedBlocks.append(blockStart + x)
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def decryptBlock(self, block):
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if len(block) != 0x8000:
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raise Exception('Block size too big/small')
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blockIV = block[0x3d0:0x3e0]
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#print 'IV %s (len %i)\n' % (hexdump(blockIV), len(blockIV))
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blockData = block[0x0400:0x8000]
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return Crypto().decryptData(self.partitionKey, blockIV, blockData, True)
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def readBlock(self, blockNumber):
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self.fp.seek(self.partitionOffset + 0x20000 + (0x8000 * blockNumber))
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return self.decryptBlock(self.fp.read(0x8000))
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def readPartition(self, offset, size):
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readStart = offset / 0x7C00
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readLen = (align(size, 0x7C00)) / 0x7C00
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blob = ''
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#print 'Read at 0x%x (Start on %i block, ends at %i block) for %i bytes' % (offset, readStart, readStart + readLen, size)
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self.fp.seek(self.partitionOffset + 0x20000 + (0x8000 * readStart))
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for x in range(readLen + 1):
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blob += self.decryptBlock(self.fp.read(0x8000))
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self.markContent(offset, size)
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#print 'Read from 0x%x to 0x%x' % (offset, offset + size)
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offset -= readStart * 0x7C00
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return blob[offset:offset + size]
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def readUnencrypted(self, offset, size):
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if offset + size > 0x20000:
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raise Exception('This read is on encrypted data')
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# FIXMII : Needs testing, extracting the tmd cause to have 10 null bytes in the end instead of 10 useful bytes at start :|
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self.fp.seek(self.partitionOffset + 0x2A4 + offset)
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return self.fp.read(size)
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class fstObject(object):
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#TODO: add ability to extract file by path
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def __init__(self, name, iso=None):
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''' do init stuff here '''
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self.parent = None
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self.type = 1 #directory: 1, file:0
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self.name = name
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self.nameOff = 0
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self.fileOffset = 0
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self.size = 0
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self.children = []
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self.iso = iso
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def addChild(self, child):
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if self.type == 0:
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raise Exception('I am not a directory.')
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child.parent = self
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self.children.append(child)
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def getISO(self):
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if(self.parent == None):
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return self.iso
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return self.parent.getISO()
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def getList(self, pad=0):
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if self.type == 0:
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return ("\t" * pad) + self.getPath() + "\n"
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str = "%s[%s]\n" % ("\t" * (pad), self.getPath())
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for child in self.children:
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str += child.getList(pad+1)
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return str
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def count(self):
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if self.type == 0:
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return 1
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i = 0
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for child in self.children:
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i += child.count()
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return i
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def getPath(self):
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if(self.parent == None):
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return "/"
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if(self.type == 1):
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return self.parent.getPath() + self.name + "/"
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return self.parent.getPath() + self.name
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def write(self, cwd):
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if(self.type==0):
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print cwd + self.getPath()
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#print self.nameOff
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open(cwd + self.getPath(), 'w+b').write(self.getISO().readPartition(self.fileOffset, self.size))
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if(self.type==1):
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if(self.parent != None):
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try:
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os.makedirs(cwd + self.getPath())
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except:
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j = None
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for child in self.children:
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child.write(cwd)
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def parseFst(self, fst, names, i, fstDir):
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size = struct.unpack(">I", fst[(12*i + 8):(12*i + 8) + 4])[0]
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nameOff = struct.unpack(">I", fst[(12*i):(12*i) + 4])[0] & 0x00ffffff
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fileName = names[nameOff:]
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fileName = fileName[:fileName.find('\0')]
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if i == 0:
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j = 1
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while(j<size):
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j = self.parseFst(fst, names, j, fstDir)
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return size
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if fst[12 * i] == '\x01':
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newDir = self.fstObject(fileName)
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j = i+1
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while(j<size):
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j = self.parseFst(fst, names, j, newDir)
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fstDir.addChild(newDir)
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return size
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else:
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fileOffset = 4 * struct.unpack(">I", fst[(12*i + 4):(12*i + 4) + 4])[0]
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newFile = self.fstObject(fileName)
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newFile.type = 0
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newFile.fileOffset = fileOffset
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newFile.size = size
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newFile.nameOff = nameOff
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fstDir.addChild(newFile)
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self.markContent(fileOffset, size)
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return i+1
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def openPartition(self, index):
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if index+1 > self.partitionCount:
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raise ValueError('Partition index too big')
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self.partitionOpen = index
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self.partitionOffset = self.partsTableOffset + (8 * self.partitionOpen)
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self.fp.seek(self.partsTableOffset + (8 * self.partitionOpen))
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self.partitionOffset = struct.unpack(">I", self.fp.read(4))[0] << 2
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self.partitionType = struct.unpack(">I", self.fp.read(4))[0]
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self.fp.seek(self.partitionOffset)
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self.tikData = self.fp.read(0x2A4)
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self.partitionKey = Ticket(self.tikData).getTitleKey()
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self.tmdSize = struct.unpack(">I", self.fp.read(4))[0]
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self.tmdOffset = struct.unpack(">I", self.fp.read(4))[0] >> 2
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self.certsSize = struct.unpack(">I", self.fp.read(4))[0]
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self.certsOffset = struct.unpack(">I", self.fp.read(4))[0] >> 2
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self.H3TableOffset = struct.unpack(">I", self.fp.read(4))[0] >> 2
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self.dataOffset = struct.unpack(">I", self.fp.read(4))[0] >> 2
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self.dataSize = struct.unpack(">I", self.fp.read(4))[0] >> 2
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self.fstOffset = 4 * struct.unpack(">I", self.readPartition (0x424, 4))[0]
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self.fstSize = 4 * struct.unpack(">I", self.readPartition (0x428, 4))[0]
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self.dolOffset = 4 * struct.unpack(">I", self.readPartition (0x420, 4))[0]
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self.dolSize = self.fstOffset - self.dolOffset
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self.appLdr = self.Apploader().unpack(self.readPartition (0x2440, 32))
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self.partitionHdr = self.discHeader().unpack(self.readPartition (0x0, 0x400))
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self.partitionIos = TMD(self.getPartitionTmd()).getIOSVersion() & 0x0fffffff
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def getFst(self):
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fstBuf = self.readPartition(self.fstOffset, self.fstSize)
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return fstBuf
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def getIsoBootmode(self):
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if self.discHdr.discId == 'R' or self.discHdr.discId == '_':
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return 2
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elif self.discHdr.discId == '0':
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return 1
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def getOpenedPartition(self):
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return self.partitionOpen
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def getOpenedPartitionOffset(self):
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return self.partitionOffset
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def getOpenedPartitionType(self):
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return self.partitionType
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def getPartitionsCount(self):
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return self.partitionCount
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def getChannelsCount(self):
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return self.channelsCount
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def getPartitionCerts(self):
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return self.readUnencrypted(self.certsOffset, self.certsSize)
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def getPartitionH3Table(self):
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return self.readUnencrypted(self.H3TableOffset, 0x18000)
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def getPartitionTmd(self):
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return self.readUnencrypted(self.tmdOffset, self.tmdSize)
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def getPartitionTik(self):
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self.fp.seek(self.partitionOffset)
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return self.fp.read(0x2A4)
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def getPartitionApploader(self):
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return self.readPartition (0x2440, self.appLdr.size + self.appLdr.trailingSize + 32)
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def getPartitionMainDol(self):
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return self.readPartition (self.dolOffset, self.dolSize)
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def dumpPartition(self, fn):
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rawPartition = open(fn, 'w+b')
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print 'Partition useful data %i Mb' % (align(len(self.markedBlocks) * 0x7C00, 1024) / 1024 / 1024)
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self.fp.seek(self.partitionOffset)
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rawPartition.write(self.fp.read(0x2A4)) # Write teh TIK
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rawPartition.write(self.readUnencrypted(0, 0x20000 - 0x2A4)) # Write the TMD and other stuff
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for x in range(len(self.markedBlocks)):
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rawPartition.write(self.readBlock(self.markedBlocks[x])) # Write each decrypted block
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class updateInf():
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def __init__(self, f):
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self.buffer = open(f, 'r+b').read()
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def __str__(self):
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out = ''
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self.buildDate = self.buffer[:0x10]
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self.fileCount = struct.unpack('>L', self.buffer[0x10:0x14])[0]
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out += 'This update partition was built on %s and has %i files\n\n' % (self.buildDate, self.fileCount)
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for x in range(self.fileCount):
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updateEntry = self.buffer[0x20 + x * 0x200:0x20 + (x + 1) * 0x200]
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titleType = struct.unpack('>L', updateEntry[:0x4])[0]
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titleAttr = struct.unpack('>L', updateEntry[0x4:0x8])[0]
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titleUnk1 = struct.unpack('>L', updateEntry[0x8:0xC])[0]
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titleType2 = struct.unpack('>L', updateEntry[0xC:0x10])[0]
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titleFile = updateEntry[0x10:0x50]
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titleFile = titleFile[:titleFile.find('\x00')]
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titleID = struct.unpack('>Q', updateEntry[0x50:0x58])[0]
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titleMajor = struct.unpack('>B', updateEntry[0x58:0x59])[0]
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titleMinor = struct.unpack('>B', updateEntry[0x59:0x5A])[0]
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titleName = updateEntry[0x60:0xA0]
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titleName = titleName[:titleName.find('\x00')]
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titleInfo = updateEntry[0xA0:0xE0]
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titleInfo = titleInfo[:titleInfo.find('\x00')]
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out += 'Update type : 0x%x\n' % titleType
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out += 'Update flag : %i (0 means critical, 1 means need reboot)\n' % titleAttr
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out += 'Update file : %s\n' % titleFile
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out += 'Update ID : %lu\n' % titleID
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out += 'Update version : %i.%i\n' % (titleMajor, titleMinor)
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out += 'Update name : %s\n' % titleName
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out += 'Update info : %s\n' % titleInfo
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out += '\n'
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return out
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