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2ef8140044
* nandChecker: add korean brick checking ( still untested with a real korean dump ) git-svn-id: http://wiiqt.googlecode.com/svn/trunk@67 389f4c8b-5dfe-645f-db0e-df882bc27289
223 lines
8.8 KiB
C++
Executable File
223 lines
8.8 KiB
C++
Executable File
#ifndef NANDBIN_H
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#define NANDBIN_H
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#include "includes.h"
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#include "blocks0to7.h"
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#include "nandspare.h"
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struct fst_t
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{
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quint8 filename[ 0xc ];
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quint8 attr;
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quint8 wtf;
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quint16 sub;
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quint16 sib;
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quint32 size;
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quint32 uid;
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quint16 gid;
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quint32 x3;
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quint16 fst_pos;//not really part of the nand structure, but needed when calculating hmac data
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};
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// class to deal with an encrypted wii nand dump
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// basic usage... create an object, set a path, call InitNand. then you can get the detailed list of entries with GetTree()
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// extract files with GetFile()
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//! so far, all functions for writing to the nand are highly untested. it is not recommended to try to use this code productively!!
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//! you should verify anything written with this code before attempting to install it on you wii
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//once InitNand() is called, you can get the contents of the nand in a nice QTreeWidgetItem* with GetTree()
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class NandBin : public QObject
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{
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Q_OBJECT
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public:
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//creates a NandBin object. if a path is given, it will call SetPath() on that path. though you cant check the return value
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NandBin( QObject * parent = 0, const QString &path = QString() );
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//destroys this object, and all its used resources ( closes the nand.bin file and deletes the filetree )
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~NandBin();
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//create a "blank" nand at the given path, with spare data and keeys.bin appended to the end
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//keys should be a 0x400 byte array containing a keys.bin from bootmii
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//first8 should be a bytearray containing 0x108000 bytes - the first 8 blocks of the nand with spare data
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//badBlocks is a list of blocks to be marked bad, in the range 8 - 4079
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bool CreateNew( const QString &path, const QByteArray &keys, const QByteArray &first8, const QList<quint16> &badBlocks = QList<quint16>() );
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//sets the path of this object to path. returns false if it cannot open an already existing file
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//keys.bin should be in this same path if they are to be used
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bool SetPath( const QString &path );
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//try to read the filesystem and create a tree from its contents
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//this takes care of the stuff like reading the keys, finding teh superblock, and creating the QTreeWidgetItem* tree
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//icons given here will be the ones used when asking for that tree
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bool InitNand( const QIcon &dirs = QIcon(), const QIcon &files = QIcon() );
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//get a root item containing children that are actually entries in the nand dump
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//the root itself is just a container to hold them all and can be deleted once its children are taken
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//! all returned items are cloned and it is up to you to delete them !
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//text is assigned to the items as follows...
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// 0 name
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// 1 entry #
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// 2 size
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// 3 uid
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// 4 gid
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// 5 x3
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// 6 mode
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// 7 attr
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QTreeWidgetItem *GetTree();
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//extracts an item( and all its children ) to a directory
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//this function is BLOCKING and will block the current thread, so if done in the gui thread, it will freeze your GUI till it returns
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bool ExtractToDir( QTreeWidgetItem *item, const QString &path );
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//print a little info about the free space
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void ShowInfo();
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//set this to change ":" in names to "-" on etracting.
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//theres more illegal characters in FAT, but thes seems to be the only one that happens on the nand FS
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void SetFixNamesForFAT( bool fix = true );
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//returns the data that makes up the file of a given entry#
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const QByteArray GetFile( quint16 entry );
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//get data for a given path
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//! this function is slower than the above one, as it first iterates through the QTreeWidgetItems till it finds the right ono
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//! and then end up calling the above one anyways.
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//the path should be a file, not folder
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//returns an empty array on failure
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//path should start with "/" and items should be delimited by "/"
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//ie... /title/00000001/00000002/data/setting.txt
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const QByteArray GetData( const QString &path );
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//returns the fats for this nand.
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const QList<quint16> GetFats() { return fats; }
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//get the fats for a given file
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const QList<quint16> GetFatsForFile( quint16 i );
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//recurse folders and files and get all fats used for them
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//! this is probably a more expensive function than you want to use
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//! it was added only to aid in checking for bugs and lost clusters
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const QList<quint16> GetFatsForEntry( quint16 i );
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//use the above function to search and display lost clusters
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void ShowLostClusters();
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const Blocks0to7 BootBlocks(){ return bootBlocks; }
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const QList<Boot2Info> Boot2Infos();
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quint8 Boot1Version();
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const QByteArray GetPage( quint32 pageNo, bool withEcc = false );
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//create new entry
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//returns the index of the entry on success, or 0 on error
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quint16 CreateEntry( const QString &path, quint32 uid, quint16 gid, quint8 attr, quint8 user_perm, quint8 group_perm, quint8 other_perm );
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//delete a file/folder
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bool Delete( const QString &path );
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//sets the data for a given file ( overwrites existing data )
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bool SetData( quint16 idx, const QByteArray &data );
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//overloads the above function
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bool SetData( const QString &path, const QByteArray &data );
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//write the current changes to the metadata( if you dont do this, then none of the other stuff youve done wont be saved )
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// but at the same time, you probably dont need to overuse this. ( no need to write metadata every time you make a single change )
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bool WriteMetaData();
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//functions to verify spare data
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bool CheckEcc( quint32 pageNo );
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bool CheckHmacData( quint16 entry );
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//verify hmac stuff for a given supercluster
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//expects 0x7f00 - 0x7ff0
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bool CheckHmacMeta( quint16 clNo );
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//wipe out all data within the nand FS, leaving only the root entry
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//preserve all bad/reserved clusters
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//if secure is true, overwrite old file data with 0xff
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bool Format( bool secure = true );
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//get the path of this nand
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const QString FilePath();
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//get the keys.bin for this object
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const QByteArray Keys();
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private:
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QByteArray key;
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qint32 loc_super;
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qint32 loc_fat;
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qint32 loc_fst;
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quint16 currentSuperCluster;
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quint32 superClusterVersion;
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QString extractPath;
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QString nandPath;
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QFile f;
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int type;
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bool fatNames;
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QIcon groupIcon;
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QIcon keyIcon;
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NandSpare spare;//used to handle the hmac mumbojumbo
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//read all the fst and remember them rather than seeking back and forth in the file all the time
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// uses ~120KiB RAM
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bool fstInited;
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fst_t fsts[ 0x17ff ];
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//cache the fat to keep from having to look them up repeatedly
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// uses ~64KiB
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QList<quint16>fats;
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int GetDumpType( quint64 fileSize );
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bool GetKey( int type );
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const QByteArray ReadKeyfile( const QString &path, quint8 type );//type 0 for nand key, type 1 for hmac
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qint32 FindSuperblock();
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quint16 GetFAT( quint16 fat_entry );
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fst_t GetFST( quint16 entry );
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const QByteArray GetCluster( quint16 cluster_entry, bool decrypt = true );
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const QByteArray GetFile( fst_t fst );
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const QString FstName( fst_t fst );
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bool ExtractFST( quint16 entry, const QString &path, bool singleFile = false );
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bool ExtractDir( fst_t fst, const QString &parent );
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bool ExtractFile( fst_t fst, const QString &parent );
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QTreeWidgetItem *CreateItem( QTreeWidgetItem *parent, const QString &name, quint32 size, quint16 entry, quint32 uid, quint32 gid, quint32 x3, quint8 attr, quint8 wtf);
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QTreeWidgetItem *root;
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bool AddChildren( QTreeWidgetItem *parent, quint16 entry );
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QTreeWidgetItem *ItemFromPath( const QString &path );
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QTreeWidgetItem *FindItem( const QString &s, QTreeWidgetItem *parent );
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//holds info about boot1 & 2
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Blocks0to7 bootBlocks;
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bool WriteCluster( quint32 pageNo, const QByteArray &data, const QByteArray &hmac );
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bool WriteDecryptedCluster( quint32 pageNo, const QByteArray &data, fst_t fst, quint16 idx );
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bool WritePage( quint32 pageNo, const QByteArray &data );
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quint16 CreateNode( const QString &name, quint32 uid, quint16 gid, quint8 attr, quint8 user_perm, quint8 group_perm, quint8 other_perm );
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bool DeleteItem( QTreeWidgetItem *item );
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//find a parent entry for a path to be created - "/title/00000001" should give the entry for "/title"
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QTreeWidgetItem *GetParent( const QString &path );
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QTreeWidgetItem *ItemFromEntry( quint16 i, QTreeWidgetItem *parent = NULL );
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QTreeWidgetItem *ItemFromEntry( const QString &i, QTreeWidgetItem *parent = NULL );
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signals:
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//connect to these to receive messages from this object
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//so far, many errors are only outputting to qDebug() and qWarning().
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void SendError( QString );
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void SendText( QString );
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};
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#endif // NANDBIN_H
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