mirror of
https://github.com/grp/Wii.py.git
synced 2025-06-19 15:25:34 -04:00
375 lines
14 KiB
Python
375 lines
14 KiB
Python
import os, hashlib, struct, subprocess, fnmatch, shutil, urllib, array
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from binascii import *
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from Crypto.Cipher import AES
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from Struct import Struct
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from struct import *
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from common import *
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from title import *
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from formats import *
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class NAND:
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"""This class performs all NAND related things. It includes functions to copy a title (given the TMD) into the correct structure as the Wii does, and has an entire ES-like system. Parameter f to the initializer is the folder that will be used as the NAND root."""
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def __init__(self, f):
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self.f = f
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if(not os.path.isdir(f)):
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os.mkdir(f)
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self.perms = f + "/permission.txt"
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if(not os.path.isfile(self.perms)):
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open(self.perms, "wb").close()
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self.newDirectory("/sys", "rwrw--", 0)
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self.newFile("/sys/uid.sys", "rwrw--", 0)
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self.UID = uidsys(self.f + "/sys/uid.sys")
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self.newDirectory("/meta", "rwrwrw", 0x0001, 0x0000000100000002)
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self.newDirectory("/import", "rwrw--", 0x0000)
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self.newDirectory("/shared1", "rwrw--", 0x0000)
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self.newDirectory("/shared2", "rwrwrw", 0x0000)
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self.newFile("/sys/cc.sys", "rwrw--", 0x0000)
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self.newFile("/sys/cert.sys", "rwrwr-", 0x0000)
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self.newFile("/sys/space.sys", "rwrw--", 0x0000)
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self.newDirectory("/ticket", "rwrw--", 0x0000)
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self.newDirectory("/title", "rwrwr-", 0x0000)
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self.newDirectory("/tmp", "rwrwrw", 0x0000)
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self.ES = ESClass(self)
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self.ISFS = ISFSClass(self)
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self.contentmap = ContentMap(self.f + "/shared1/content.map")
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def hasPermissionEntry(self, dir):
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pfp = open(self.perms, "rb")
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data = pfp.read()
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pfp.close()
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ret = data.find(dir)
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if(ret == -1):
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return 0
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return 1
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def removePermissionEntry(self, dir):
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pfp = open(self.perms, "rb")
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data = pfp.read()
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pfp.close()
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ret = data.find(dir)
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if(ret == -1):
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return 0
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newlineloc = -1
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for i in range(ret):
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if(data.startswith("\n", i)):
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newlineloc = i + 1
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endloc = data.find("\n", newlineloc)
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pfp = open(self.perms, "rb")
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data = pfp.read(newlineloc)
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pfp.seek(endloc + 1)
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data += pfp.read()
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pfp.close()
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pfp = open(self.perms, "wb")
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pfp.write(data)
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pfp.close()
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return 1
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def addPermissionEntry(self, uid, permissions, dir, groupid):
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pfp = open(self.perms, "rb")
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data = pfp.read()
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pfp.close()
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data += "%s " % permissions
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if(uid == None):
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print "UID is None!\n"
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try:
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data += hexdump(uid, "")
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data += " "
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except:
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try:
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data += "%04X " % uid
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except:
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print "UID type couldn't be confirmed..."
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return
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try:
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data += hexdump(groupid, "")
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data += " "
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except:
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try:
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data += "%04X " % groupid
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except:
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print "GID type couldn't be confirmed..."
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return
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data += "%s\n" % dir
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pfp = open(self.perms, "wb")
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pfp.write(data)
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pfp.close()
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def newDirectory(self, dir, perms, groupid, permtitle = 0):
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"""Creates a new directory in the NAND filesystem and adds a permissions entry."""
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if(not self.hasPermissionEntry(dir)):
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if(permtitle == 0):
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if(not os.path.isdir(self.f + dir)):
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os.mkdir(self.f + dir)
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self.addPermissionEntry(0, "d" + perms, dir, groupid)
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else:
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if(not os.path.isdir(self.f + dir)):
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os.mkdir(self.f + dir)
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self.addPermissionEntry(self.getUIDForTitleFromUIDSYS(permtitle), "d" + perms, dir, groupid)
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def newFile(self, fil, perms, groupid, permtitle = 0):
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"""Creates a new file in the NAND filesystem and adds a permissions entry."""
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if(not self.hasPermissionEntry(fil)):
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if(permtitle == 0):
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if(not os.path.isfile(self.f + fil)):
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open(self.f + fil, "wb").close()
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self.addPermissionEntry(0, "-" + perms, fil, groupid)
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else:
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if(not os.path.isfile(self.f + fil)):
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open(self.f + fil, "wb").close()
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self.addPermissionEntry(self.getUIDForTitleFromUIDSYS(permtitle), "-" + perms, fil, groupid)
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def removeFile(self, fil):
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"""Deletes a file, and removes the permissions entry."""
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os.remove(self.f + fil)
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self.removePermissionEntry(fil)
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def getContentByHashFromContentMap(self, hash):
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"""Gets the filename of a shared content with SHA1 hash ``hash''. This includes the NAND prefix."""
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return self.f + self.contentmap.contentByHash(hash)
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def addContentToContentMap(self, contentid, hash):
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"""Adds a content with content ID ``contentid'' and SHA1 hash ``hash'' to the content.map."""
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return self.contentmap.addContentToMap(contentid, hash)
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def addHashToContentMap(self, hash):
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"""Adds a content with SHA1 hash ``hash'' to the content.map. It returns the content ID used."""
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return self.contentmap.addHashToMap(hash)
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def getContentCountFromContentMap(self):
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"""Returns the number of contents in the content.map."""
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return self.contentmap.contentCount()
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def getContentHashesFromContentMap(self, count):
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"""Returns the hashes of ``count'' contents in the content.map."""
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return self.contentmap.contentHashes(count)
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def addTitleToUIDSYS(self, title):
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"""Adds the title with title ID ``title'' to the uid.sys file."""
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return self.UID.addTitle(title)
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def getTitleFromUIDSYS(self, uid):
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"""Gets the title ID with UID ``uid'' from the uid.sys file."""
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return self.UID.getTitle(uid)
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def getUIDForTitleFromUIDSYS(self, title):
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"""Gets the UID for title ID ``title'' from the uid.sys file."""
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ret = self.UID.getUIDForTitle(title)
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return ret
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def addTitleToMenu(self, tid):
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"""Adds a title to the System Menu."""
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a = iplsave(self.f + "/title/00000001/00000002/data/iplsave.bin", self)
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type = 0
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if(((tid & 0xFFFFFFFFFFFFFF00) == 0x0001000248414300) or ((tid & 0xFFFFFFFFFFFFFF00) == 0x0001000248414200)):
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type = 1
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a.addTitle(0,0, 0, tid, 1, type)
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def addDiscChannelToMenu(self, x, y, page, movable):
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"""Adds the disc channel to the System Menu."""
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a = iplsave(self.f + "/title/00000001/00000002/data/iplsave.bin", self)
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a.addDisc(x, y, page, movable)
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def deleteTitleFromMenu(self, tid):
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"""Deletes a title from the System Menu."""
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a = iplsave(self.f + "/title/00000001/00000002/data/iplsave.bin", self)
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a.deleteTitle(tid)
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def importTitle(self, prefix, tmd, tik, add_to_menu = True, is_decrypted = False, result_decrypted = False):
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"""When passed a prefix (the directory to obtain the .app files from, sorted by content id), a TMD instance, and a Ticket instance, this will add that title to the NAND base folder specified in the constructor. If add_to_menu is True, the title (if neccessary) will be added to the menu. The default is True. Unless is_decrypted is set, the contents are assumed to be encrypted. If result_decrypted is True, then the contents will not end up decrypted."""
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self.ES.AddTitleStart(tmd, None, None, is_decrypted, result_decrypted, use_version = True)
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self.ES.AddTitleTMD(tmd)
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self.ES.AddTicket(tik)
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contents = tmd.getContents()
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for i in range(tmd.tmd.numcontents):
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self.ES.AddContentStart(tmd.tmd.titleid, contents[i].cid)
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fp = open(prefix + "/%08x.app" % contents[i].cid, "rb")
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data = fp.read()
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fp.close()
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self.ES.AddContentData(contents[i].cid, data)
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self.ES.AddContentFinish(contents[i].cid)
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self.ES.AddTitleFinish()
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if(add_to_menu == True):
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if((tmd.tmd.titleid >> 32) != 0x00010008):
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self.addTitleToMenu(tmd.tmd.titleid)
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class ISFSClass:
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"""This class contains an interface to the NAND that simulates the permissions system and all other aspects of the ISFS.
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The nand argument to the initializer is a NAND object."""
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def __init__(self, nand):
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self.nand = nand
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self.f = nand.f
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class ESClass:
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"""This class performs all services relating to titles installed on the Wii. It is a clone of the libogc ES interface.
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The nand argument to the initializer is a NAND object."""
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def __init__(self, nand):
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self.ticketadded = 0
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self.tmdadded = 0
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self.workingcid = 0
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self.workingcidcnt = 0
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self.nand = nand
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self.f = nand.f
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def getContentIndexFromCID(self, tmd, cid):
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"""Gets the content index from the content id cid referenced to in the TMD instance tmd."""
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for i in range(tmd.tmd.numcontents):
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if(cid == tmd.contents[i].cid):
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return tmd.contents[i].index
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return None
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def GetDataDir(self, titleid):
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"""When passed a titleid, it will get the Titles data directory. If there is no title associated with titleid, it will return None."""
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if(not os.path.isdir(self.f + "/title/%08x/%08x/data" % (titleid >> 32, titleid & 0xFFFFFFFF))):
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return None
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return self.f + "/title/%08x/%08x/data" % (titleid >> 32, titleid & 0xFFFFFFFF)
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def GetStoredTMD(self, titleid, version):
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"""Gets the TMD for the specified titleid and version"""
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if(not os.path.isfile(self.f + "/title/%08x/%08x/content/title.tmd.%d" % (titleid >> 32, titleid & 0xFFFFFFFF, version))):
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return None
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return TMD(self.f + "/title/%08x/%08x/content/title.tmd.%d" % (titleid >> 32, titleid & 0xFFFFFFFF, version))
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def GetTitleContentsCount(self, titleid, version):
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"""Gets the number of contents the title with the specified titleid and version has."""
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tmd = self.GetStoredTMD(titleid, version)
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if(tmd == None):
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return 0
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return tmd.tmd.numcontents
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def GetTitleContents(self, titleid, version, count):
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"""Returns a list of content IDs for title id ``titleid'' and version ``version''. It will return, at maximum, ``count'' entries."""
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tmd = self.GetStoredTMD(titleid, version)
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if(tmd == None):
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return 0
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contents = tmd.getContents()
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out = ""
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for z in range(count):
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out += a2b_hex("%08X" % contents[z].cid)
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return out
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def GetNumSharedContents(self):
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"""Gets how many shared contents exist on the NAND"""
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return self.nand.getContentCountFromContentMap()
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def GetSharedContents(self, cnt):
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"""Gets cnt amount of shared content hashes"""
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return self.nand.getContentHashesFromContentMap(cnt)
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def AddTitleStart(self, tmd, certs, crl, is_decrypted = False, result_decrypted = True, use_version = False):
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self.nand.addTitleToUIDSYS(tmd.tmd.titleid)
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self.nand.newDirectory("/title/%08x" % (tmd.tmd.titleid >> 32), "rwrwr-", 0x0000)
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self.nand.newDirectory("/title/%08x/%08x" % (tmd.tmd.titleid >> 32, tmd.tmd.titleid & 0xFFFFFFFF), "rwrwr-", 0x0000)
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self.nand.newDirectory("/title/%08x/%08x/content" % (tmd.tmd.titleid >> 32, tmd.tmd.titleid & 0xFFFFFFFF), "rwrw--", 0x0000)
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self.nand.newDirectory("/title/%08x/%08x/data" % (tmd.tmd.titleid >> 32, tmd.tmd.titleid & 0xFFFFFFFF), "rw----", tmd.tmd.group_id, tmd.tmd.titleid)
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self.nand.newDirectory("/ticket/%08x" % (tmd.tmd.titleid >> 32), "rwrw--", 0x0000)
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self.workingcids = array.array('L')
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self.wtitleid = tmd.tmd.titleid
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self.is_decrypted = is_decrypted
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self.result_decrypted = result_decrypted
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self.use_version = use_version
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return
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def AddTicket(self, tik):
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"""Adds ticket to the title being added."""
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tik.rawdump(self.f + "/tmp/title.tik")
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self.ticketadded = 1
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def DeleteTicket(self, tikview):
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"""Deletes the ticket relating to tikview
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(UNIMPLEMENTED!)"""
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return
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def AddTitleTMD(self, tmd):
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"""Adds TMD to the title being added."""
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tmd.rawdump(self.f + "/tmp/title.tmd")
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self.tmdadded = 1
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def AddContentStart(self, titleid, cid):
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"""Starts adding a content with content id cid to the title being added with ID titleid."""
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if((self.workingcid != 0) and (self.workingcid != None)):
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"Trying to start an already existing process"
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return -41
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if(self.tmdadded):
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a = TMD(self.f + "/tmp/title.tmd")
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else:
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a = TMD(self.f + "/title/%08x/%08x/content/title.tmd.%d" % (self.wtitleid >> 32, self.wtitleid & 0xFFFFFFFF, tmd.tmd.title_version))
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x = self.getContentIndexFromCID(a, cid)
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if(x == None):
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"Not a valid Content ID"
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return -43
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self.workingcid = cid
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self.workingfp = open(self.f + "/tmp/%08x.app" % cid, "wb")
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return 0
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def AddContentData(self, cid, data):
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"""Adds data to the content cid being added."""
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if(cid != self.workingcid):
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"Working on the not current CID"
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return -40
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self.workingfp.write(data);
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return 0
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def AddContentFinish(self, cid):
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"""Finishes the content cid being added."""
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if(cid != self.workingcid):
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"Working on the not current CID"
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return -40
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self.workingfp.close()
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self.workingcids.append(cid)
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self.workingcidcnt += 1
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self.workingcid = None
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return 0
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def AddTitleCancel(self):
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"""Cancels adding a title (deletes the tmp files and resets status)."""
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if(self.ticketadded):
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self.nand.removeFile("/tmp/title.tik")
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self.ticketadded = 0
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if(self.tmdadded):
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self.nand.removeFile("/tmp/title.tmd")
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self.tmdadded = 0
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for i in range(self.workingcidcnt):
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self.nand.removeFile("/tmp/%08x.app" % self.workingcids[i])
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self.workingcidcnt = 0
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self.workingcid = None
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def AddTitleFinish(self):
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"""Finishes the adding of a title."""
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if(self.ticketadded):
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tik = Ticket(self.f + "/tmp/title.tik")
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else:
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tik = Ticket(self.f + "/ticket/%08x/%08x.tik" % (self.wtitleid >> 32, self.wtitleid & 0xFFFFFFFF))
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if(self.tmdadded):
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tmd = TMD(self.f + "/tmp/title.tmd")
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contents = tmd.getContents()
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for i in range(self.workingcidcnt):
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idx = self.getContentIndexFromCID(tmd, self.workingcids[i])
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if(idx == None):
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print "Content ID doesn't exist!"
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return -42
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fp = open(self.f + "/tmp/%08x.app" % self.workingcids[i], "rb")
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if(contents[idx].type == 0x0001):
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filestr = "/title/%08x/%08x/content/%08x.app" % (self.wtitleid >> 32, self.wtitleid & 0xFFFFFFFF, self.workingcids[i])
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elif(contents[idx].type == 0x8001):
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num = self.nand.addHashToContentMap(contents[idx].hash)
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filestr = "/shared1/%08x.app" % num
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self.nand.newFile(filestr, "rwrw--", 0x0000)
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outfp = open(self.f + filestr, "wb")
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data = fp.read()
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titlekey = tik.getTitleKey()
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if(self.is_decrypted):
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tmpdata = data
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else:
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tmpdata = Crypto().decryptContent(titlekey, contents[idx].index, data)
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if(Crypto().validateSHAHash(tmpdata, contents[idx].hash) == 0):
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"Decryption failed! SHA1 mismatch."
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return -44
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if(self.result_decrypted != True):
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if(self.is_decrypted):
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tmpdata = Crypto().encryptContent(titlekey, contents[idx].index, data)
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else:
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tmpdata = data
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fp.close()
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outfp.write(tmpdata)
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outfp.close()
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if(self.tmdadded and self.use_version):
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self.nand.newFile("/title/%08x/%08x/content/title.tmd.%d" % (self.wtitleid >> 32, self.wtitleid & 0xFFFFFFFF, tmd.tmd.title_version), "rwrw--", 0x0000)
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tmd.rawdump(self.f + "/title/%08x/%08x/content/title.tmd.%d" % (self.wtitleid >> 32, self.wtitleid & 0xFFFFFFFF, tmd.tmd.title_version))
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elif(self.tmdadded):
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self.nand.newFile("/title/%08x/%08x/content/title.tmd" % (self.wtitleid >> 32, self.wtitleid & 0xFFFFFFFF), "rwrw--", 0x0000)
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tmd.rawdump(self.f + "/title/%08x/%08x/content/title.tmd" % (self.wtitleid >> 32, self.wtitleid & 0xFFFFFFFF))
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if(self.ticketadded):
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self.nand.newFile("/ticket/%08x/%08x.tik" % (self.wtitleid >> 32, self.wtitleid & 0xFFFFFFFF), "rwrw--", 0x0000)
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tik.rawdump(self.f + "/ticket/%08x/%08x.tik" % (self.wtitleid >> 32, self.wtitleid & 0xFFFFFFFF))
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self.AddTitleCancel()
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return 0
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