mirror of
https://github.com/martravi/wiiqt.git
synced 2024-11-17 22:59:21 +01:00
576 lines
19 KiB
C++
576 lines
19 KiB
C++
#include "savedatabin.h"
|
|
#include "aes.h"
|
|
#include "ec.h"
|
|
|
|
SaveDataBin::SaveDataBin( QByteArray stuff )
|
|
{
|
|
// qDebug() << "SaveDataBin::SaveDataBin" << hex << stuff.size();
|
|
_ok = false;
|
|
ngID = 0;
|
|
ngKeyID = 0;
|
|
sg.tid = 0;
|
|
if( stuff.size() < 0xf140 )//header + backup header
|
|
{
|
|
qWarning() << "SaveDataBin::SaveDataBin -> size is too small";
|
|
return;
|
|
}
|
|
quint32 size = 0xf0c0;
|
|
QByteArray header( size, '\0' );
|
|
|
|
//decrypt the header
|
|
quint8 iv[ 16 ] = SD_IV;
|
|
quint8 sdkey[ 16 ] = SD_KEY;
|
|
aes_set_key( sdkey );
|
|
aes_decrypt( iv, (quint8*)stuff.data(), (quint8*)header.data(), size );
|
|
//check MD5
|
|
quint8 md5blanker[ 16 ] = MD5_BLANKER;
|
|
QByteArray expected = header.mid( 0xe, 16 );
|
|
QByteArray headerWithBlanker = header.left( 0xe ) + QByteArray( (const char*)&md5blanker, 16 ) + header.right( 0xf0a2 );
|
|
QByteArray actual = GetMd5( headerWithBlanker );
|
|
if( actual != expected )
|
|
{
|
|
qWarning() << "SaveDataBin::SaveDataBin -> md5 mismatch";
|
|
hexdump( expected );
|
|
hexdump( actual );
|
|
}
|
|
//read the tid & banner.bin size
|
|
quint32 bnrSize;
|
|
quint8 bnrPerm;
|
|
QDataStream ds( header );
|
|
ds.setByteOrder( QDataStream::BigEndian );
|
|
ds >> sg.tid;
|
|
ds >> bnrSize;
|
|
ds >> bnrPerm;
|
|
if( bnrSize < 0x72a0 || bnrSize > 0xf0a0 || ( bnrSize - 0x60a0 ) % 0x1200 )
|
|
{
|
|
qWarning() << "SaveDataBin::SaveDataBin -> bad size" << hex << bnrSize;
|
|
return;
|
|
}
|
|
//add the entry for banner.bin in the save struct
|
|
quint8 attr = ( bnrPerm << 2 ) | NAND_FILE;
|
|
|
|
sg.attr << attr;
|
|
sg.entries << "/banner.bin";
|
|
sg.data << header.mid( 0x20, bnrSize );
|
|
|
|
QBuffer b( &stuff );
|
|
b.open( QIODevice::ReadOnly );
|
|
b.seek( size );
|
|
|
|
//read the Bk header
|
|
quint32 tmp;
|
|
quint32 cnt;
|
|
quint32 fSize;
|
|
quint32 tSize;
|
|
|
|
b.read( (char*)&tmp, 4 );
|
|
tmp = qFromBigEndian( tmp );
|
|
if( tmp != 0x70 )
|
|
{
|
|
qWarning() << "SaveDataBin::SaveDataBin -> bad hdr size" << hex << tmp;
|
|
b.close();
|
|
return;
|
|
}
|
|
b.read( (char*)&tmp, 4 );
|
|
tmp = qFromBigEndian( tmp );
|
|
if( tmp != 0x426b0001 )
|
|
{
|
|
qWarning() << "SaveDataBin::SaveDataBin -> bad magic" << hex << tmp;
|
|
b.close();
|
|
return;
|
|
}
|
|
b.read( (char*)&tmp, 4 );
|
|
ngID = qFromBigEndian( tmp );
|
|
//qDebug() << "NG id:" << hex << ngID;
|
|
b.read( (char*)&tmp, 4 );
|
|
cnt = qFromBigEndian( tmp );
|
|
b.read( (char*)&tmp, 4 );
|
|
fSize = qFromBigEndian( tmp );
|
|
b.seek( b.pos() + 8 );
|
|
b.read( (char*)&tmp, 4 );
|
|
tSize = qFromBigEndian( tmp );
|
|
//qDebug() << "cnt :" << hex << cnt;
|
|
//qDebug() << "fSize:" << hex << fSize;
|
|
//qDebug() << "tSize:" << hex << tSize << stuff.size();
|
|
|
|
if( (quint32)stuff.size() < fSize + 0xf140 )
|
|
{
|
|
qWarning() << "SaveDataBin::SaveDataBin -> buffer size is less than expected" << hex << fSize;
|
|
b.close();
|
|
return;
|
|
}
|
|
|
|
ngMac = stuff.mid( 0xf128, 6 );
|
|
//qDebug() << "ngMac:" << ngMac.toHex();
|
|
//read all the files and folders
|
|
b.seek( 0xf140 );
|
|
for( quint32 i = 0; i < cnt; i++ )
|
|
{
|
|
//QByteArray peek = b.peek( 0x80 );
|
|
//hexdump( peek );
|
|
quint32 size;
|
|
quint8 perm;
|
|
quint8 attr;
|
|
quint8 type;
|
|
quint32 start = b.pos();
|
|
quint8 iv[ 0x10 ];
|
|
QByteArray name;
|
|
b.read( (char*)&tmp, 4 );
|
|
tmp = qFromBigEndian( tmp );
|
|
if( tmp != 0x03adf17e )
|
|
{
|
|
qWarning() << "SaveDataBin::SaveDataBin -> bad file magic" << hex << i << tmp;
|
|
b.close();
|
|
return;
|
|
}
|
|
b.read( (char*)&tmp, 4 );
|
|
size = qFromBigEndian( tmp );
|
|
b.read( (char*)&perm, 1 );
|
|
b.read( (char*)&attr, 1 );//?
|
|
b.read( (char*)&type, 1 );
|
|
|
|
name = b.read( 0x45 );
|
|
b.read( (char*)&iv, 0x10 );
|
|
|
|
/*qDebug() << "size:" << hex << size
|
|
<< "perm:" << perm
|
|
<< "attr:" << attr
|
|
<< "type:" << type
|
|
<< "name:" << QString( name )
|
|
<< "iv:" << QByteArray( (const char*)iv, 0x10 ).toHex();*/
|
|
|
|
perm = ( perm << 2 ) | type;
|
|
//qDebug() << "perm2:" << hex << perm;
|
|
|
|
sg.entries << "/" + name;
|
|
sg.attr << perm;
|
|
|
|
switch( type )
|
|
{
|
|
case NAND_FILE:
|
|
{
|
|
QByteArray encData = stuff.mid( start + 0x80, RU( size, 0x40 ) );
|
|
QByteArray decData( RU( size, 0x40 ), '\0' );
|
|
aes_set_key( sdkey );
|
|
aes_decrypt( iv, (quint8*)encData.data(), (quint8*)decData.data(), RU( size, 0x40 ) );
|
|
decData.resize( size );
|
|
sg.data << decData;
|
|
|
|
/*qDebug() << QString( name );
|
|
qDebug() << "size:" << hex << size;
|
|
hexdump( decData, 0, 0x30 );*/
|
|
}
|
|
break;
|
|
case NAND_DIR:
|
|
break;
|
|
default:
|
|
qWarning() << "SaveDataBin::SaveDataBin -> unknown type" << hex << i << type;
|
|
return;
|
|
break;
|
|
}
|
|
|
|
//seek to beginning of next file
|
|
b.seek( start + 0x80 + RU( size, 0x40 ) );
|
|
}
|
|
|
|
//get a couple keys useful for repacking
|
|
quint32 cStart = b.pos();
|
|
//qDebug() << "pos:" << hex << (quint32)b.pos();
|
|
b.seek( b.pos() + 0x144 );
|
|
b.read( (char*)&tmp, 4 );
|
|
ngKeyID = qFromBigEndian( tmp );
|
|
ngSig = stuff.mid( cStart + 0x44, 0x3c );
|
|
//qDebug() << "ngKeyID:" << hex << ngKeyID;
|
|
//qDebug() << "ngSig :" << hex << ngSig.toHex();
|
|
|
|
//check the cert mumbojombo
|
|
b.close();
|
|
quint32 data_size = tSize - 0x340;
|
|
//qDebug() << hex << data_size << tSize;
|
|
QByteArray sha1H = GetSha1( stuff.mid( 0xf0c0, data_size ) );
|
|
sha1H = GetSha1( sha1H );
|
|
|
|
_ok = check_ec( (quint8*)stuff.mid( cStart + 0x40, 0x180 ).data(),
|
|
(quint8*)stuff.mid( cStart + 0x1c0, 0x180 ).data(),
|
|
(quint8*)stuff.mid( cStart, 0x40 ).data(),
|
|
(quint8*)sha1H.data() );
|
|
//qDebug() << "_ok:" << _ok;
|
|
}
|
|
SaveDataBin::SaveDataBin( const SaveGame &old )
|
|
{
|
|
ngID = 0;
|
|
ngKeyID = 0;
|
|
sg = old;
|
|
_ok = IsValidSave( sg );
|
|
}
|
|
|
|
const QByteArray SaveDataBin::Data( const QByteArray &ngPriv, const QByteArray &ngSig, const QByteArray &ngMac, quint32 ngId, quint32 ngKeyId )
|
|
{
|
|
if( !IsValidSave( sg ) )
|
|
{
|
|
qWarning() << "SaveDataBin::Data -> invalid save data";
|
|
return QByteArray();
|
|
}
|
|
quint8 tmp8;
|
|
QByteArray bnr = DataFromSave( sg, "/banner.bin" );
|
|
if( bnr.isEmpty() )
|
|
{
|
|
qWarning() << "SaveDataBin::Data -> no banner.bin found in the save";
|
|
return QByteArray();
|
|
}
|
|
|
|
quint32 ng_ID = ngId ? ngId : ngID;
|
|
quint32 ng_Key_ID = ngKeyId ? ngKeyId : this->ngKeyID;
|
|
QByteArray ng_Sig = ngSig.size() ? ngSig : this->ngSig;
|
|
QByteArray ng_Mac = ngMac.size() ? ngMac : this->ngMac;
|
|
quint32 tmp32;
|
|
quint8 md5blanker[ 16 ] = MD5_BLANKER;
|
|
|
|
//quick sanity checks TODO.. probably need more up in here
|
|
if( ng_Mac.size() != 6 || !ng_ID || !ng_Key_ID || ng_Sig.size() != 0x3c || ng_Mac.size() != 6 || ngPriv.size() != 30 )
|
|
{
|
|
qWarning() << "SaveDataBin::Data -> something isnt right:\n" << ng_Mac.toHex()
|
|
<< "\n" << ng_Sig.toHex()
|
|
<< "\n" << ng_Mac.toHex()
|
|
<< "\n" << ngPriv.toHex()
|
|
<< "\n" << hex << ng_ID
|
|
<< "\n" << ng_Key_ID;
|
|
return QByteArray();
|
|
}
|
|
|
|
//make the different byteArrays that make up this beast and assemble them all at the end
|
|
QByteArray header( 0xd, '\0' );
|
|
QBuffer b( &header );
|
|
b.open( QIODevice::WriteOnly );
|
|
|
|
quint64 tmp64 = qFromBigEndian( sg.tid ); //tid
|
|
b.write( (const char*)&tmp64, 8 );
|
|
|
|
tmp32 = (quint32)qFromBigEndian( (quint32)bnr.size() ); //size of banner.bin
|
|
b.write( (const char*)&tmp32, 4 );
|
|
|
|
tmp8 = AttrFromSave( sg, "/banner.bin" ); //attributes of banner.bin
|
|
tmp8 >>= 2;
|
|
b.write( (const char*)&tmp8, 1 );
|
|
tmp8 = 0; //nocopy or some shit like that?
|
|
b.write( (const char*)&tmp8, 1 );
|
|
b.close();
|
|
QByteArray header2 = header +
|
|
QByteArray( (const char*)&md5blanker, 16 ) +
|
|
QByteArray( 2, '\0' ); //md5 blanker + padding to 0x20
|
|
header2 += bnr; //add the banner.bin
|
|
header2 = PaddedByteArray( header2, 0xf0c0 ); //pad to 0xf0c0
|
|
|
|
QByteArray actual = GetMd5( header2 );
|
|
header += actual + QByteArray( 2, '\0' ) + bnr;
|
|
header = PaddedByteArray( header, 0xf0c0 );
|
|
|
|
quint8 iv[ 16 ] = SD_IV;
|
|
quint8 sdkey[ 16 ] = SD_KEY;
|
|
aes_set_key( sdkey );
|
|
QByteArray header3( 0xf0c0, '\0' );//wtf
|
|
aes_encrypt( iv, (quint8*)header.data(), (quint8*)header3.data(), 0xf0c0 ); //encrypt the header
|
|
|
|
quint32 fSize = 0;
|
|
quint32 tSize = 0;
|
|
quint32 cnt = sg.attr.size();
|
|
//do the file stuff
|
|
QByteArray files;
|
|
quint16 idx = 0;
|
|
for( quint16 i = 0; i < cnt; i++ )
|
|
{
|
|
if( sg.entries.at( i ) == "/banner.bin" )
|
|
{
|
|
idx++;
|
|
continue;
|
|
}
|
|
//qDebug() << "adding file" << sg.entries.at( i );
|
|
quint32 size = 0;
|
|
quint8 attr = sg.attr.at( i );
|
|
quint8 type = NAND_ATTR_TYPE( attr );
|
|
attr >>= 2;
|
|
QByteArray fHeader( 0x80, '\0' );
|
|
QBuffer c( &fHeader );
|
|
c.open( QIODevice::WriteOnly );
|
|
|
|
tmp32 = qFromBigEndian( (quint32)0x3adf17e ); //file magic
|
|
c.write( (const char*)&tmp32, 4 );
|
|
c.seek( 8 );
|
|
c.write( (const char*)&attr, 1 ); //permissions
|
|
tmp8 = 0;
|
|
c.write( (const char*)&tmp8, 1 ); //?
|
|
c.write( (const char*)&type, 1 ); //file or dir
|
|
|
|
QString name = sg.entries.at( i ); //path
|
|
name.remove( 0, 1 ); //remove leading "/"
|
|
c.write( name.toLatin1() );
|
|
|
|
if( type == NAND_FILE )
|
|
{
|
|
size = sg.data.at( idx ).size(); //write actual file size
|
|
c.seek( 4 );
|
|
tmp32 = qFromBigEndian( size );
|
|
c.write( (const char*)&tmp32, 4 );
|
|
c.close();
|
|
files += fHeader;
|
|
quint8 iv[ 0x10 ];//copy the iv to keep aes_encrypt from altering the original
|
|
memcpy( &iv, ((quint8*)fHeader.data()) + 0x50, 0x10 );
|
|
|
|
QByteArray encData( RU( size, 0x40 ), '\0' );
|
|
QByteArray decPaddad = PaddedByteArray( sg.data.at( idx ), 0x40 );
|
|
|
|
aes_set_key( sdkey );
|
|
aes_encrypt( (quint8*)&iv,
|
|
(const quint8*)decPaddad.data(),
|
|
(quint8*)encData.data(),
|
|
encData.size() );
|
|
|
|
quint32 fs = encData.size();
|
|
fSize += 0x80 + fs;
|
|
|
|
files += encData;
|
|
idx++;
|
|
}
|
|
else
|
|
{
|
|
c.seek( 4 );
|
|
c.write( (const char*)&size, 4 );
|
|
c.close();
|
|
fSize += 0x80;
|
|
files += fHeader;
|
|
}
|
|
}
|
|
|
|
QByteArray bkHeader( 0x80, '\0' ); //backup header
|
|
b.setBuffer( &bkHeader );
|
|
b.open( QIODevice::WriteOnly );
|
|
tmp32 = qFromBigEndian( (quint32)0x70 ); //bk header size
|
|
b.write( (const char*)&tmp32, 4 );
|
|
tmp32 = qFromBigEndian( (quint32)0x426b0001 ); //magic word ( & version )?
|
|
b.write( (const char*)&tmp32, 4 );
|
|
tmp32 = qFromBigEndian( ng_ID ); //ngid
|
|
b.write( (const char*)&tmp32, 4 );
|
|
tmp32 = qFromBigEndian( cnt - 1 ); //file & folder count ( -banner.bin )
|
|
b.write( (const char*)&tmp32, 4 );
|
|
tmp32 = qFromBigEndian( fSize ); //padded data size
|
|
b.write( (const char*)&tmp32, 4 );
|
|
b.seek( 0x1c );
|
|
tmp32 = qFromBigEndian( fSize + 0x3c0 ); //total size
|
|
b.write( (const char*)&tmp32, 4 );
|
|
b.seek( 0x60 );
|
|
tmp64 = qFromBigEndian( sg.tid ); //tid
|
|
b.write( (const char*)&tmp64, 8 );
|
|
b.write( ng_Mac ); //ngmac
|
|
b.close();
|
|
|
|
//make the magic cert stuff
|
|
char signer[ 64 ];
|
|
char name[ 64 ];
|
|
quint8 sig[ 0x40 ];
|
|
quint8 ng_cert[ 0x180 ];
|
|
quint8 ap_cert[ 0x180 ];
|
|
quint8 ap_priv[ 30 ];
|
|
quint8 ap_sig[ 60 ];
|
|
sprintf( signer, "Root-CA00000001-MS00000002" );
|
|
sprintf( name, "NG%08x", ng_ID );
|
|
make_ec_cert( (quint8*)&ng_cert, (quint8*)ng_Sig.data(), signer, name, (quint8*)ngPriv.data(), ng_Key_ID );
|
|
memset( (char*)&ap_priv, 0, sizeof( ap_priv ) );
|
|
ap_priv[ 10 ] = 1;
|
|
memset( (char*)&ap_sig, 81, sizeof( ap_sig ) );
|
|
sprintf( signer, "Root-CA00000001-MS00000002-NG%08x", ng_ID );
|
|
sprintf( name, "AP%08x%08x", 1, 2 );
|
|
make_ec_cert( (quint8*)&ap_cert, (quint8*)&ap_sig, signer, name, (quint8*)&ap_priv, 0 );
|
|
QByteArray sha = GetSha1( QByteArray( (const char*)&ap_cert + 0x80, 0x100 ) );
|
|
generate_ecdsa( (quint8*)&ap_sig, (quint8*)&ap_sig + 30, (quint8*)ngPriv.data(), (quint8*)sha.data() );
|
|
make_ec_cert( (quint8*)&ap_cert, (quint8*)&ap_sig, signer, name, (quint8*)&ap_priv, 0 );
|
|
tSize = fSize + 0x80;
|
|
QByteArray stuffToHash = bkHeader + files;
|
|
sha = GetSha1( stuffToHash );
|
|
sha = GetSha1( sha );
|
|
generate_ecdsa( (quint8*)&sig, (quint8*)&sig + 30, (quint8*)&ap_priv, (quint8*)sha.data() );
|
|
tmp32 = qFromBigEndian( 0x2f536969 );
|
|
memcpy( (char*)&sig + 60, (char*)&tmp32, 4 );
|
|
// hexdump( QByteArray( (const char*)&sig, 0x40 ) );
|
|
// hexdump( QByteArray( (const char*)&ng_cert, 0x180 ) );
|
|
// hexdump( QByteArray( (const char*)&ap_cert, 0x180 ) );
|
|
return header3
|
|
+ bkHeader
|
|
+ files
|
|
+ QByteArray( (const char*)&sig, 0x40 )
|
|
+ QByteArray( (const char*)&ng_cert, 0x180 )
|
|
+ QByteArray( (const char*)&ap_cert, 0x180 );
|
|
}
|
|
|
|
quint32 SaveDataBin::NgID()
|
|
{
|
|
return ngID;
|
|
}
|
|
|
|
quint32 SaveDataBin::NgKeyID()
|
|
{
|
|
return ngKeyID;
|
|
}
|
|
|
|
const QByteArray SaveDataBin::NgSig()
|
|
{
|
|
return ngSig;
|
|
}
|
|
|
|
const QByteArray SaveDataBin::NgMac()
|
|
{
|
|
return ngMac;
|
|
}
|
|
|
|
const QByteArray SaveDataBin::DataBinFromSaveStruct( const SaveGame &old, const QByteArray &ngPriv, const QByteArray &ngSig,
|
|
const QByteArray &ngMac, quint32 ngId, quint32 ngKeyId )
|
|
{
|
|
SaveDataBin sb( old );
|
|
if( !sb.IsOk() )
|
|
return QByteArray();
|
|
return sb.Data( ngPriv, ngSig, ngMac, ngId, ngKeyId );
|
|
}
|
|
|
|
const SaveGame SaveDataBin::StructFromDataBin( const QByteArray &dataBin )
|
|
{
|
|
SaveDataBin sb( dataBin );//no need to check if it is loaded ok, the returned item will have 0 for TID and nothing in it
|
|
return sb.SaveStruct();
|
|
}
|
|
|
|
const QByteArray SaveDataBin::GetFile( const QByteArray &dataBin, const QString &path )
|
|
{
|
|
SaveDataBin sb( dataBin );
|
|
if( !sb.IsOk() )
|
|
return QByteArray();
|
|
|
|
return DataFromSave( sb.SaveStruct(), path );
|
|
}
|
|
|
|
const QByteArray SaveDataBin::GetBanner( const QByteArray &dataBin )
|
|
{
|
|
if( dataBin.size() < 0xf140 )//header + backup header
|
|
{
|
|
qWarning() << "SaveDataBin::GetBanner -> size is too small";
|
|
return QByteArray();
|
|
}
|
|
quint32 size = 0xf0c0;
|
|
QByteArray header( size, '\0' );
|
|
|
|
//decrypt the header
|
|
quint8 iv[ 16 ] = SD_IV;
|
|
quint8 sdkey[ 16 ] = SD_KEY;
|
|
aes_set_key( sdkey );
|
|
aes_decrypt( iv, (const quint8*)dataBin.constData(), (quint8*)header.data(), size );
|
|
|
|
//read banner.bin size
|
|
quint32 bnrSize;
|
|
QBuffer b( &header );
|
|
b.open( QIODevice::ReadOnly );
|
|
b.seek( 8 );
|
|
b.read( (char*)&bnrSize, 4 );
|
|
b.close();
|
|
bnrSize = qFromBigEndian( bnrSize );
|
|
|
|
//checken der sizen
|
|
if( bnrSize < 0x72a0 || bnrSize > 0xf0a0 || ( bnrSize - 0x60a0 ) % 0x1200 )
|
|
{
|
|
qWarning() << "SaveDataBin::GetBanner -> bad size" << hex << bnrSize;
|
|
return QByteArray();
|
|
}
|
|
return header.mid( 0x20, bnrSize );
|
|
}
|
|
|
|
quint32 SaveDataBin::GetSize( QByteArray dataBin )
|
|
{
|
|
if( dataBin.size() < 0xf140 )//header + backup header
|
|
{
|
|
qWarning() << "SaveDataBin::GetSize -> size is too small";
|
|
return 0;
|
|
}
|
|
quint32 ret = 0;
|
|
quint32 size = 0xf0c0;
|
|
QByteArray header( size, '\0' );
|
|
|
|
//decrypt the header
|
|
quint8 iv[ 16 ] = SD_IV;
|
|
quint8 sdkey[ 16 ] = SD_KEY;
|
|
aes_set_key( sdkey );
|
|
aes_decrypt( iv, (quint8*)dataBin.data(), (quint8*)header.data(), size );
|
|
//hexdump( header, 0, 0x20 );
|
|
//check MD5
|
|
quint8 md5blanker[ 16 ] = MD5_BLANKER;
|
|
QByteArray expected = header.mid( 0xe, 16 );
|
|
QByteArray headerWithBlanker = header.left( 0xe ) + QByteArray( (const char*)&md5blanker, 16 ) + header.right( 0xf0a2 );
|
|
QByteArray actual = GetMd5( headerWithBlanker );
|
|
if( actual != expected )
|
|
{
|
|
qWarning() << "SaveDataBin::GetSize -> md5 mismatch";
|
|
hexdump( expected );
|
|
hexdump( actual );
|
|
}
|
|
//read banner.bin size
|
|
quint32 bnrSize;
|
|
QBuffer buf ( &header );
|
|
buf.open( QIODevice::ReadOnly );
|
|
buf.seek( 8 );
|
|
buf.read( (char*)&bnrSize, 4 );
|
|
bnrSize = qFromBigEndian( bnrSize );
|
|
|
|
if( bnrSize < 0x72a0 || bnrSize > 0xf0a0 || ( bnrSize - 0x60a0 ) % 0x1200 )
|
|
{
|
|
qWarning() << "SaveDataBin::GetSize -> bad size" << hex << bnrSize;
|
|
return 0;
|
|
}
|
|
buf.close();
|
|
buf.setBuffer( &dataBin );
|
|
buf.open( QIODevice::ReadOnly );
|
|
buf.seek( 0xf0c0 );
|
|
//read the Bk header
|
|
quint32 tmp;
|
|
quint32 cnt;
|
|
|
|
buf.read( (char*)&tmp, 4 );
|
|
tmp = qFromBigEndian( tmp );
|
|
if( tmp != 0x70 )
|
|
{
|
|
qWarning() << "SaveDataBin::GetSize -> bad hdr size" << hex << tmp;
|
|
buf.close();
|
|
return 0;
|
|
}
|
|
buf.read( (char*)&tmp, 4 );
|
|
tmp = qFromBigEndian( tmp );
|
|
if( tmp != 0x426b0001 )
|
|
{
|
|
qWarning() << "SaveDataBin::GetSize -> bad magic" << hex << tmp;
|
|
buf.close();
|
|
return 0;
|
|
}
|
|
buf.seek( 0xf0cc );
|
|
buf.read( (char*)&tmp, 4 );
|
|
cnt = qFromBigEndian( tmp );
|
|
//qDebug() << "cnt :" << hex << cnt;
|
|
buf.seek( 0xf140 );
|
|
ret += bnrSize;
|
|
for( quint32 i = 0; i < cnt; i++ )
|
|
{
|
|
//QByteArray peek = buf.peek( 0x80 );
|
|
//hexdump( peek );
|
|
quint32 size;
|
|
quint32 start = buf.pos();
|
|
buf.read( (char*)&tmp, 4 );
|
|
tmp = qFromBigEndian( tmp );
|
|
if( tmp != 0x03adf17e )
|
|
{
|
|
qWarning() << "SaveDataBin::GetSize -> bad file magic" << hex << i << tmp;
|
|
break;
|
|
}
|
|
buf.read( (char*)&tmp, 4 );
|
|
size = qFromBigEndian( tmp );
|
|
ret += size;
|
|
|
|
//seek to beginning of next file
|
|
buf.seek( start + 0x80 + RU( size, 0x40 ) );
|
|
}
|
|
buf.close();
|
|
return ret;
|
|
}
|