public void Initialize(FileStream fs, long offset, bool isRawDump)
{
long absoluteOffset;
this.FormatDescription = Nintendo3dsCtr.FORMAT_DESCRIPTION_STRING_DECRYPTED;
this.VolumeBaseOffset = offset;
this.IsRawDump = isRawDump;
this.VolumeType = VolumeDataType.Data;
this.DirectoryStructureArray = new ArrayList();
// parse NCCH header
this.ParseNcchHeader(fs, offset);
// set volume name
this.VolumeIdentifier = this.ProductCode;
// parse File Systems
Nintendo3dsCtrDirectory dummyRoot = new Nintendo3dsCtrDirectory();
dummyRoot.SubDirectoryArray = new ArrayList();
dummyRoot.FileArray = new ArrayList();
if (this.ExeFsOffset > 0)
{
absoluteOffset = offset + ((long)this.ExeFsOffset * Nintendo3dsCtr.MEDIA_UNIT_SIZE);
Nintendo3dsCtrDirectory ExeFs = new Nintendo3dsCtrDirectory(fs, fs.Name, this.VolumeIdentifier,
absoluteOffset, Nintendo3dsCtr.FileSystemType.ExeFS, null);
dummyRoot.SubDirectoryArray.Add((IDirectoryStructure)ExeFs);
}
if (this.RomFsOffset > 0)
{
absoluteOffset = offset + ((long)this.RomFsOffset * Nintendo3dsCtr.MEDIA_UNIT_SIZE);
try
{
Nintendo3dsCtrDirectory RomFs = new Nintendo3dsCtrDirectory(fs, fs.Name, this.VolumeIdentifier,
absoluteOffset, Nintendo3dsCtr.FileSystemType.RomFS, null);
dummyRoot.SubDirectoryArray.Add((IDirectoryStructure)RomFs);
}
catch (Exception ex)
{
if (ex is FormatException)
{
MessageBox.Show(String.Format("IVFC magic bytes not found at expected RomFS offset for Volume '{0}, are you sure it is decrypted?' Note: System Volume, {1}, has not been tested due to unavailability of decrypted samples.",
this.VolumeIdentifier, Nintendo3dsCtr.CTR_SYSTEM_PARTITION), "Error Processing 3DS CTR");
}
else
{
throw ex;
}
}
}
if (dummyRoot.SubDirectoryArray.Count > 0)
{
this.DirectoryStructureArray.Add((IDirectoryStructure)dummyRoot);
}
}
public int CompareTo(object obj)
{
if ((obj is Nintendo3dsCtrDirectory))
{
Nintendo3dsCtrDirectory o = (Nintendo3dsCtrDirectory)obj;
return(this.DirectoryName.CompareTo(o.DirectoryName));
}
throw new ArgumentException("object is not an Nintendo3dsCtrDirectory");
}
private void BuildDirectory(FileStream isoStream, long ivfcOffset, long directoryEntryOffset, long directoryBlockOffset,
long fileBlockOffset)
{
RomFsDirEntry dir = new RomFsDirEntry();
RomFsFileEntry file = new RomFsFileEntry();
Nintendo3dsCtrDirectory tempDir;
Nintendo3dsCtrFile tempFile;
byte[] nameBytes;
string nextDirectory;
// load dir
dir.ParentOffset = ParseFile.ReadUintLE(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset);
dir.SiblingOffset = ParseFile.ReadInt32LE(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset + 4);
dir.ChildOffset = ParseFile.ReadInt32LE(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset + 8);
dir.FileOffset = ParseFile.ReadInt32LE(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset + 0xC);
dir.WeirdOffset = ParseFile.ReadInt32LE(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset + 0x10);
dir.NameSize = ParseFile.ReadUintLE(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset + 0x14);
// build directory name
if (dir.NameSize > 0)
{
nameBytes = ParseFile.ParseSimpleOffset(isoStream, ivfcOffset + directoryBlockOffset + directoryEntryOffset + 0x18, (int)dir.NameSize);
dir.Name = ByteConversion.GetUtf16LeText(nameBytes);
}
else // this is root
{
dir.Name = "RomFS"; // @TODO Make this a constant
}
this.DirectoryName = dir.Name;
nextDirectory = this.ParentDirectoryName + Path.DirectorySeparatorChar + this.DirectoryName;
// add files
if (dir.FileOffset != -1)
{
tempFile = new Nintendo3dsCtrFile(isoStream, nextDirectory, isoStream.Name,
null, ivfcOffset, -1, Nintendo3dsCtr.FileSystemType.RomFS, this.IvfcLevels[2],
dir.FileOffset, fileBlockOffset, this.RomFsDataOffset);
this.FileArray.Add(tempFile);
while (tempFile.SiblingOffset != -1)
{
tempFile = new Nintendo3dsCtrFile(isoStream, nextDirectory, isoStream.Name,
null, ivfcOffset, -1, Nintendo3dsCtr.FileSystemType.RomFS, this.IvfcLevels[2],
tempFile.SiblingOffset, fileBlockOffset, this.RomFsDataOffset);
this.FileArray.Add(tempFile);
}
}
// get sibling dir
if (dir.SiblingOffset != -1)
{
tempDir = new Nintendo3dsCtrDirectory(isoStream, isoStream.Name, this.ParentDirectoryName,
ivfcOffset, Nintendo3dsCtr.FileSystemType.RomFS, this.IvfcLevels, dir.SiblingOffset, directoryBlockOffset,
fileBlockOffset, this.RomFsDataOffset);
this.SiblingDirectory = tempDir;
}
// add subdirs
if (dir.ChildOffset != -1)
{
tempDir = new Nintendo3dsCtrDirectory(isoStream, isoStream.Name, nextDirectory,
ivfcOffset, Nintendo3dsCtr.FileSystemType.RomFS, this.IvfcLevels, dir.ChildOffset, directoryBlockOffset,
fileBlockOffset, this.RomFsDataOffset);
this.SubDirectoryArray.Add(tempDir);
while (tempDir.SiblingDirectory != null)
{
this.SubDirectoryArray.Add(tempDir.SiblingDirectory);
tempDir = tempDir.SiblingDirectory;
}
}
}
