public Xci(Keyset keyset, Stream stream)
{
Header = new XciHeader(keyset, stream);
var hfs0Stream = new SubStream(stream, Header.PartitionFsHeaderAddress);
RootPartition = new XciPartition(hfs0Stream)
{
Name = RootPartitionName,
Offset = Header.PartitionFsHeaderAddress,
HashValidity = Header.PartitionFsHeaderValidity
};
Partitions.Add(RootPartition);
foreach (PfsFileEntry file in RootPartition.Files)
{
Stream partitionStream = RootPartition.OpenFile(file);
var partition = new XciPartition(partitionStream)
{
Name = file.Name,
Offset = Header.PartitionFsHeaderAddress + RootPartition.HeaderSize + file.Offset,
HashValidity = file.HashValidity
};
Partitions.Add(partition);
}
UpdatePartition = Partitions.FirstOrDefault(x => x.Name == UpdatePartitionName);
NormalPartition = Partitions.FirstOrDefault(x => x.Name == NormalPartitionName);
SecurePartition = Partitions.FirstOrDefault(x => x.Name == SecurePartitionName);
LogoPartition = Partitions.FirstOrDefault(x => x.Name == LogoPartitionName);
}
public XciPartition OpenPartition(XciPartitionType type)
{
XciPartition root = GetRootPartition();
if (type == XciPartitionType.Root)
{
return(root);
}
root.OpenFile(out IFile partitionFile, type.GetFileName().ToU8Span(), OpenMode.Read).ThrowIfFailure();
return(new XciPartition(partitionFile.AsStorage()));
}
public XciPartition OpenPartition(XciPartitionType type)
{
XciPartition root = GetRootPartition();
if (type == XciPartitionType.Root)
{
return(root);
}
IStorage partitionStorage = root.OpenFile(type.GetFileName(), OpenMode.Read).AsStorage();
return(new XciPartition(partitionStorage));
}
private void InitializeRootPartition()
{
lock (InitLocker)
{
if (RootPartition != null)
{
return;
}
IStorage rootStorage = BaseStorage.Slice(Header.RootPartitionOffset);
RootPartition = new XciPartition(rootStorage)
{
Offset = Header.RootPartitionOffset,
HashValidity = Header.PartitionFsHeaderValidity
};
}
}
