/// <summary>
/// Read from a stream and get the Metafile data, if possible
/// </summary>
/// <param name="reader">BinaryReader representing the input stream</param>
/// <returns>Metafile data object, null on error</returns>
public static MetaFile Read(BinaryReader reader)
{
MetaFile metaFile = new MetaFile();
try
{
metaFile.TitleIDDependencyList = reader.ReadBytes(0x180);
metaFile.Reserved1 = reader.ReadBytes(0x180);
metaFile.CoreVersion = reader.ReadUInt32();
metaFile.Reserved2 = reader.ReadBytes(0xFC);
metaFile.IconData = reader.ReadBytes(0x36C0);
return(metaFile);
}
catch
{
return(null);
}
}
/// <summary>
/// Read from a stream and get a CIA header, if possible
/// </summary>
/// <param name="reader">BinaryReader representing the input stream</param>
/// <returns>CIA header object, null on error</returns>
public static CIAHeader Read(BinaryReader reader)
{
CIAHeader header = new CIAHeader();
try
{
header.HeaderSize = reader.ReadInt32();
header.Type = reader.ReadUInt16();
header.Version = reader.ReadUInt16();
header.CertificateChainSize = reader.ReadInt32();
header.TicketSize = reader.ReadInt32();
header.TMDFileSize = reader.ReadInt32();
header.MetaSize = reader.ReadInt32();
header.ContentSize = reader.ReadInt64();
header.ContentIndex = reader.ReadBytes(0x2000);
if (reader.BaseStream.Position % 64 != 0)
{
reader.BaseStream.Seek(64 - (reader.BaseStream.Position % 64), SeekOrigin.Current);
}
header.CertificateChain = new Certificate[3];
header.CertificateChain[0] = Certificate.Read(reader); // CA
header.CertificateChain[1] = Certificate.Read(reader); // Ticket
header.CertificateChain[2] = Certificate.Read(reader); // TMD
if (reader.BaseStream.Position % 64 != 0)
{
reader.BaseStream.Seek(64 - (reader.BaseStream.Position % 64), SeekOrigin.Current);
}
header.Ticket = Ticket.Read(reader, header.TicketSize);
if (reader.BaseStream.Position % 64 != 0)
{
reader.BaseStream.Seek(64 - (reader.BaseStream.Position % 64), SeekOrigin.Current);
}
header.TMDFileData = TitleMetadata.Read(reader, header.TMDFileSize);
if (reader.BaseStream.Position % 64 != 0)
{
reader.BaseStream.Seek(64 - (reader.BaseStream.Position % 64), SeekOrigin.Current);
}
long startingPosition = reader.BaseStream.Position;
List <NCCHHeader> headers = new List <NCCHHeader>();
while (reader.BaseStream.Position < startingPosition + header.ContentSize)
{
long initPosition = reader.BaseStream.Position;
NCCHHeader ncchHeader = NCCHHeader.Read(reader, readSignature: true);
if (ncchHeader == null)
{
break;
}
headers.Add(ncchHeader);
reader.BaseStream.Seek(initPosition + ncchHeader.ContentSizeInMediaUnits * 0x200, SeekOrigin.Begin);
}
header.Partitions = headers.ToArray();
if (header.MetaSize > 0)
{
header.MetaFileData = MetaFile.Read(reader);
}
return(header);
}
catch
{
return(null);
}
}
