public Xdbf(byte[] Data)
{
this.br = new CBinaryReader(EndianType.BigEndian, new MemoryStream(Data));
this.header = new XdbfHeader(this.br);
this.entries = new XdbfTable(this.br, this.header);
this.dataOffset = (uint)this.br.BaseStream.Position;
}
/// <summary>
/// Fetch all directory entries to build the internal index
/// </summary>
public void BuildIndex()
{
if (_indexBuilt)
{
return;
}
if (!_descriptorsRead)
{
throw new FrameworkException("Error : You must read the descriptors first");
}
try
{
long rootLba = _primaryVolumeDescriptor.RootDirectoryEntry.ExtentLba;
var stream = new CBinaryReader(ReadSector(rootLba, _defaultSectorMode));
var rootEntry = ReadDirectoryEntry(stream);
_index = new DataTrackIndex(rootEntry);
AddDirectoryToIndex(_index.Root);
_indexBuilt = true;
}
catch (FrameworkException ex)
{
throw ex;
}
catch (Exception)
{
throw new FrameworkException("Error while building the index : unable to read data to build the internal index cache");
}
}
// Constructors
/// <summary>
/// DataTrackReader
/// </summary>
/// <param name="stream">The stream of iso</param>
/// <param name="trackNumber">The track number</param>
/// <param name="system">File system used for this data track</param>
/// <param name="mode">The sector mode of the track</param>
/// <param name="readDescriptors">Read descriptors immediately</param>
/// <param name="buildIndex">Build the index cache immediately</param>
internal DataTrackReader(CBinaryReader stream, int trackNumber, DiskFileSystem system, DataTrackMode mode, bool readDescriptors = true, bool buildIndex = true)
: base((FileStream)stream.BaseStream, trackNumber, system, mode)
{
_stream = stream;
_descriptorsRead = false;
_indexBuilt = false;
_entriesOrder = DataTrackEntriesOrder.DEFAULT;
try
{
if (readDescriptors)
{
ReadVolumeDescriptors();
}
if (buildIndex)
{
BuildIndex();
}
SeekSector(0);
}
catch (FrameworkException ex)
{
throw ex;
}
catch (Exception)
{
throw new FrameworkException("Error while reading data track : unable to read the data track");
}
}
// Constructors
/// <summary>
/// AudioTrackReader
/// </summary>
/// <param name="trackNumber">The track number</param>
internal AudioTrackReader(CBinaryReader stream, int trackNumber)
: base((FileStream)stream.BaseStream, trackNumber)
{
_stream = stream;
SeekSector(0);
}
public Xdbf(byte[] Data)
{
br = new CBinaryReader(EndianType.BigEndian, new MemoryStream(Data));
header = new XdbfHeader(br);
entries = new XdbfTable(br, header);
dataOffset = (uint)br.BaseStream.Position;
}
public XdbfTableEntry(CBinaryReader b)
{
Identifier = b.ReadUInt32();
Offset = b.ReadUInt32();
Size = b.ReadUInt32();
Type = b.ReadUInt16();
Padding = b.ReadUInt32();
}
public XdbfTableEntry(CBinaryReader b)
{
this.Identifier = b.ReadUInt32();
this.Offset = b.ReadUInt32();
this.Size = b.ReadUInt32();
this.Type = b.ReadUInt16();
this.Padding = b.ReadUInt32();
}
private void readImageData(CBinaryReader br)
{
br.Seek((long)this.Header.HeaderSize, SeekOrigin.Begin);
int count = (int)(this.Header.FileSize - this.Header.HeaderSize);
this.Image = new byte[count];
this.Image = br.ReadBytes(count);
}
private void init(CBinaryReader br)
{
br.Seek(0L, SeekOrigin.Begin);
this.Header = new XPRHeader(br);
if (this.IsValid)
{
this.readImageData(br);
}
}
public void Read(CBinaryReader br, uint BaseAddress)
{
br.Seek((long)(this.Header.SectionNameAddress - BaseAddress), SeekOrigin.Begin);
while (br.PeekChar() != 0)
{
this.Name = this.Name + br.ReadChar();
}
br.Seek((long)this.Header.RawAddress, SeekOrigin.Begin);
this.Data = br.ReadBytes((int)this.Header.RawSize);
}
public void Read(CBinaryReader br, uint BaseAddress)
{
br.Seek(Header.SectionNameAddress - BaseAddress, SeekOrigin.Begin);
while (br.PeekChar() != 0)
{
Name = Name + br.ReadChar();
}
br.Seek(Header.RawAddress, SeekOrigin.Begin);
Data = br.ReadBytes((int)Header.RawSize);
}
public XdbfHeader(CBinaryReader b)
{
b.Seek(0L, SeekOrigin.Begin);
MagicBytes = b.ReadBytes(4);
Version = b.ReadUInt16();
Reserved = b.ReadUInt16();
NumEntries = b.ReadUInt32();
NumEntriesCopy = b.ReadUInt32();
UnknownA = b.ReadUInt32();
UnknownB = b.ReadUInt32();
}
// Methods
/// <summary>
/// Read GZip meta data from stream
/// </summary>
/// <param name="stream">The stream to read</param>
/// <param name="size">The size of the GZip file</param>
internal void Read(Stream stream, uint size)
{
try
{
var reader = new CBinaryReader(stream);
if (reader.ReadUInt16() != SIGNATURE)
{
throw new FrameworkException("Error while parsing gzip : gzip signature not found");
}
_method = (GZipCompressionMethod)reader.ReadByte();
_flags = reader.ReadByte();
_date = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc).AddSeconds(reader.ReadUInt32());
_xfl = reader.ReadByte();
_os = reader.ReadByte();
if (HasExtra)
{
int extraSize = reader.ReadUInt16();
_extra = reader.ReadAsciiString(extraSize);
reader.Position++;
}
if (HasName)
{
_name = reader.ReadAsciiString();
}
if (HasComment)
{
_comment = reader.ReadAsciiString();
}
if (HasCrc)
{
_crc = reader.ReadUInt16();
}
_dataOffset = (uint)reader.Position;
_dataSize = size - _dataOffset - FOOTER_SIZE;
reader.Position = size - FOOTER_SIZE;
_crc32 = reader.ReadUInt32();
_dataRealSize = reader.ReadUInt32();
}
catch (FrameworkException ex)
{
throw ex;
}
catch (Exception)
{
throw new FrameworkException("Error while parsing gzip data : unable to read meta data");
}
}
public XdbfTable(CBinaryReader b, XdbfHeader header)
{
b.Seek(30L, SeekOrigin.Begin);
for (int i = 0; i < header.NumEntries; i++)
{
base.Add(new XdbfTableEntry(b));
}
while (b.PeekChar() == 0)
{
b.ReadByte();
}
}
public override void Parse(CBinaryReader br)
{
br.Seek((long)base.Address, SeekOrigin.Begin);
br.Endian = EndianType.BigEndian;
this.MediaID = br.ReadBytes(4);
this.Version = br.ReadUInt32();
this.BaseVersion = br.ReadUInt32();
this.TitleID = br.ReadBytes(4);
this.Platform = br.ReadByte();
this.ExecutableType = br.ReadByte();
this.DiscNumber = br.ReadByte();
this.DiscCount = br.ReadByte();
}
public override void Parse(CBinaryReader br)
{
br.Seek(Address, SeekOrigin.Begin);
br.Endian = EndianType.BigEndian;
MediaID = br.ReadBytes(4);
Version = br.ReadUInt32();
BaseVersion = br.ReadUInt32();
TitleID = br.ReadBytes(4);
Platform = br.ReadByte();
ExecutableType = br.ReadByte();
DiscNumber = br.ReadByte();
DiscCount = br.ReadByte();
}
public XexInfo(byte[] Xex)
{
ms = new MemoryStream(Xex);
br = new CBinaryReader(EndianType.BigEndian, ms);
Header = new XexHeader(br);
foreach (XexInfoField field in Header.Values)
{
if (!field.Flags)
{
field.Parse(br);
}
}
}
public GDF(FileStream File)
{
this.file = File;
this.fr = new CBinaryReader(EndianType.LittleEndian, this.file);
this.readVolume();
try
{
this.rootDir = new GDFDirTable(this.fr, this.volDesc, this.volDesc.RootDirSector, this.volDesc.RootDirSize);
}
catch (Exception exception)
{
this.Exceptions.Add(exception);
}
}
/// <summary>
/// Read the disk descriptors
/// </summary>
public void ReadVolumeDescriptors()
{
if (_descriptorsRead)
{
return;
}
try
{
VolumeDescriptor descriptor;
bool endOfList = false;
bool hasPrimaryDescriptor = false;
SeekSector(16);
do
{
using (var stream = new CBinaryReader(ReadSector(_defaultSectorMode)))
{
descriptor = ReadVolumeDescriptor(stream);
}
switch (descriptor.Type)
{
case VolumeDescriptorType.PRIMARY:
_primaryVolumeDescriptor = (PrimaryVolumeDescriptor)descriptor;
hasPrimaryDescriptor = true;
break;
case VolumeDescriptorType.SET_TERMINATOR:
endOfList = true;
break;
}
} while (!endOfList);
_descriptorsRead = true;
if (!hasPrimaryDescriptor)
{
throw new FrameworkException("Error while reading volume descriptors : no primary descriptor found");
}
}
catch (FrameworkException ex)
{
throw ex;
}
catch (Exception)
{
throw new FrameworkException("Error while reading volume descriptors : Invalid list of descriptors");
}
}
public GDF(FileStream File)
{
file = File;
fr = new CBinaryReader(EndianType.LittleEndian, file);
readVolume();
try
{
rootDir = new GDFDirTable(fr, volDesc, volDesc.RootDirSector, volDesc.RootDirSize);
}
catch (Exception exception)
{
Exceptions.Add(exception);
}
}
public XexInfo(byte[] Xex)
{
this.data = Xex;
this.ms = new MemoryStream(this.data);
this.br = new CBinaryReader(EndianType.BigEndian, this.ms);
this.Header = new XexHeader(this.br);
foreach (XexInfoField field in this.Header.Values)
{
if (!field.Flags)
{
field.Parse(this.br);
}
}
}
/// <summary>
/// Fetch a directory to build the internal index (recursive)
/// </summary>
private void AddDirectoryToIndex(DataTrackIndexEntry indexDirectoryEntry)
{
DirectoryEntry entry;
DataTrackIndexEntry indexEntry;
long lba = indexDirectoryEntry.DirectoryEntry.ExtentLba;
long size = indexDirectoryEntry.DirectoryEntry.ExtentSize;
int sectorsCount = (int)(size / GetSectorDataSize(_defaultSectorMode));
var stream = new CBinaryReader(ReadSectors(lba, sectorsCount, _defaultSectorMode));
// First directory entry of a directory entry is the directory itself, so let's skip it
ReadDirectoryEntry(stream);
// Second directory entry is the parent directory entry.
// As we parse the data from root to children, it has already been handled, so let's skip it too
ReadDirectoryEntry(stream);
while (stream.Position < size)
{
short b = stream.TestByte();
if (b == 0)
{
// DirectoryEntry cannot be "splitted" on two sectors
int dataSize = GetSectorDataSize(_defaultSectorMode);
stream.Position = (((stream.Position / dataSize) + 1) * dataSize);
b = stream.TestByte();
}
if (b <= 0)
{
break;
}
else
{
entry = ReadDirectoryEntry(stream);
indexEntry = new DataTrackIndexEntry(indexDirectoryEntry, entry);
_index.AddToIndex(indexEntry);
if (indexEntry.IsDirectory)
{
AddDirectoryToIndex(indexEntry);
}
}
}
stream.CloseAndDispose();
}
public XbeSectionHeader(CBinaryReader bw)
{
this.SectionDigest = new byte[20];
bw.Endian = EndianType.LittleEndian;
this.Flags = (XbeSectionFlags)bw.ReadUInt32();
this.VirtualAddress = bw.ReadUInt32();
this.VirtualSize = bw.ReadUInt32();
this.RawAddress = bw.ReadUInt32();
this.RawSize = bw.ReadUInt32();
this.SectionNameAddress = bw.ReadUInt32();
this.SectionNameRefCount = bw.ReadUInt32();
this.HeadSharedPageRefCountAddress = bw.ReadUInt32();
this.TailSharedPageRefCountAddress = bw.ReadUInt32();
this.SectionDigest = bw.ReadBytes(20);
}
public XbeCertifcate(CBinaryReader br)
{
this.Size = br.ReadUInt32();
this.TimeData = br.ReadBytes(4);
this.titleID = br.ReadUInt32();
this.titleName = br.ReadBytes(80);
this.AltTitleIDs = br.ReadBytes(0x40);
this.AllowedMedia = (XbeAllowedMedia)br.ReadUInt32();
this.GameRegion = (XbeGameRegion)br.ReadUInt32();
this.GameRatings = br.ReadUInt32();
this.DiskNumber = br.ReadUInt32();
this.Version = br.ReadUInt32();
this.LanKey = br.ReadBytes(0x10);
this.SignatureKey = br.ReadBytes(0x10);
this.AltSignatureKeys = br.ReadBytes(0x100);
}
public XPRHeader(CBinaryReader br)
{
br.Endian = EndianType.LittleEndian;
MagicBytes = br.ReadUInt32();
if (MagicBytes == 0x30525058)
{
FileSize = br.ReadUInt32();
HeaderSize = br.ReadUInt32();
TextureCommon = br.ReadUInt32();
TextureData = br.ReadUInt32();
TextureLock = br.ReadUInt32();
TextureMisc1 = br.ReadByte();
TextureFormat = br.ReadByte();
TextureRes1 = br.ReadByte();
TextureRes2 = br.ReadByte();
IsValid = true;
}
}
public XbeHeader(CBinaryReader br)
{
try
{
if (br.ReadUInt32() == 0x48454258)
{
DigitalSignature = br.ReadBytes(0x100);
BaseAddress = br.ReadUInt32();
SizeOfHeaders = br.ReadUInt32();
SizeOfImage = br.ReadUInt32();
SizeOfImageHeader = br.ReadUInt32();
TimeDate = br.ReadBytes(4);
CertificateAddress = br.ReadUInt32();
NumberOfSections = br.ReadUInt32();
SectionHeadersAddress = br.ReadUInt32();
InitialisationFlags = (XbeInitFlags)br.ReadUInt32();
EntryPoint = br.ReadUInt32();
TLSAddress = br.ReadUInt32();
PEStackCommit = br.ReadUInt32();
PEHeapReserve = br.ReadUInt32();
PEHeapCommit = br.ReadUInt32();
PEBaseAddress = br.ReadUInt32();
PESizeOfImage = br.ReadUInt32();
PEChecksum = br.ReadUInt32();
PETimeDate = br.ReadBytes(4);
DebugPathnameAddress = br.ReadUInt32();
DebugFilenameAddress = br.ReadUInt32();
DebugUnicodeFilenameAddress = br.ReadUInt32();
KernelImageThunkAddress = br.ReadUInt32();
NonKernelImportDirectoryAddress = br.ReadUInt32();
NumberOfLibraryVersions = br.ReadUInt32();
LibraryVersionsAddress = br.ReadUInt32();
KernelLibraryVersionAddress = br.ReadUInt32();
XAPILibraryVersionAddress = br.ReadUInt32();
LogoBitmapAddress = br.ReadUInt32();
LogoBitmapSize = br.ReadUInt32();
IsValid = true;
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
public GDFDirTable(CBinaryReader File, GDFVolumeDescriptor Vol, uint Sector, uint Size)
{
this.Sector = Sector;
this.Size = Size;
File.Seek((long)((Sector * Vol.SectorSize) + Vol.RootOffset), SeekOrigin.Begin);
byte[] buffer = File.ReadBytes((int)Size);
MemoryStream s = new MemoryStream(buffer);
CBinaryReader reader = new CBinaryReader(EndianType.LittleEndian, s);
try
{
while (s.Position < Size)
{
GDFDirEntry item = new GDFDirEntry {
SubTreeL = reader.ReadUInt16(),
SubTreeR = reader.ReadUInt16()
};
if ((item.SubTreeL != 0xffff) && (item.SubTreeR != 0xffff))
{
item.Sector = reader.ReadUInt32();
item.Size = reader.ReadUInt32();
item.Attributes = (GDFDirEntryAttrib)reader.ReadByte();
item.NameLength = reader.ReadByte();
item.Name = Encoding.ASCII.GetString(buffer, (int)s.Position, item.NameLength);
s.Seek((long)item.NameLength, SeekOrigin.Current);
long num1 = s.Position % 4L;
if ((s.Position % 4L) != 0L)
{
s.Seek(4L - (s.Position % 4L), SeekOrigin.Current);
}
base.Add(item);
}
}
}
catch (EndOfStreamException)
{
Console.WriteLine("EndOfStreamException while trying to read directory at sector {0} ({1} bytes)", Sector.ToString(), Size.ToString());
}
catch (Exception exception)
{
Console.WriteLine("Unhandled Exception {0} for directory at sector {1} -> {2}", exception.InnerException, Sector.ToString(), exception.Message);
}
}
public XbeHeader(CBinaryReader br)
{
try
{
if (br.ReadUInt32() == 0x48454258)
{
this.DigitalSignature = br.ReadBytes(0x100);
this.BaseAddress = br.ReadUInt32();
this.SizeOfHeaders = br.ReadUInt32();
this.SizeOfImage = br.ReadUInt32();
this.SizeOfImageHeader = br.ReadUInt32();
this.TimeDate = br.ReadBytes(4);
this.CertificateAddress = br.ReadUInt32();
this.NumberOfSections = br.ReadUInt32();
this.SectionHeadersAddress = br.ReadUInt32();
this.InitialisationFlags = (XbeInitFlags)br.ReadUInt32();
this.EntryPoint = br.ReadUInt32();
this.TLSAddress = br.ReadUInt32();
this.PEStackCommit = br.ReadUInt32();
this.PEHeapReserve = br.ReadUInt32();
this.PEHeapCommit = br.ReadUInt32();
this.PEBaseAddress = br.ReadUInt32();
this.PESizeOfImage = br.ReadUInt32();
this.PEChecksum = br.ReadUInt32();
this.PETimeDate = br.ReadBytes(4);
this.DebugPathnameAddress = br.ReadUInt32();
this.DebugFilenameAddress = br.ReadUInt32();
this.DebugUnicodeFilenameAddress = br.ReadUInt32();
this.KernelImageThunkAddress = br.ReadUInt32();
this.NonKernelImportDirectoryAddress = br.ReadUInt32();
this.NumberOfLibraryVersions = br.ReadUInt32();
this.LibraryVersionsAddress = br.ReadUInt32();
this.KernelLibraryVersionAddress = br.ReadUInt32();
this.XAPILibraryVersionAddress = br.ReadUInt32();
this.LogoBitmapAddress = br.ReadUInt32();
this.LogoBitmapSize = br.ReadUInt32();
this.IsValid = true;
}
}
catch (Exception)
{
}
}
public XbeInfo(byte[] Xbe)
{
br = new CBinaryReader(EndianType.LittleEndian, new MemoryStream(Xbe));
Header = new XbeHeader(br);
if (Header.IsValid)
{
br.Seek(Header.CertificateAddress - Header.BaseAddress, SeekOrigin.Begin);
Certifcate = new XbeCertifcate(br);
br.Seek(Header.SectionHeadersAddress - Header.BaseAddress, SeekOrigin.Begin);
for (uint i = 0; i < Header.NumberOfSections; i++)
{
Sections.Add(new XbeSection(br));
}
foreach (XbeSection section in Sections)
{
section.Read(br, Header.BaseAddress);
}
}
}
public XbeInfo(byte[] Xbe)
{
this.data = Xbe;
this.br = new CBinaryReader(EndianType.LittleEndian, new MemoryStream(this.data));
this.Header = new XbeHeader(this.br);
if (this.Header.IsValid)
{
this.br.Seek((long)(this.Header.CertificateAddress - this.Header.BaseAddress), SeekOrigin.Begin);
this.Certifcate = new XbeCertifcate(this.br);
this.br.Seek((long)(this.Header.SectionHeadersAddress - this.Header.BaseAddress), SeekOrigin.Begin);
for (uint i = 0; i < this.Header.NumberOfSections; i++)
{
this.Sections.Add(new XbeSection(this.br));
}
foreach (XbeSection section in this.Sections)
{
section.Read(this.br, this.Header.BaseAddress);
}
}
}
