public static ResultCode OpenNcaFs(ServiceCtx context, string ncaPath, LibHac.Fs.IStorage ncaStorage, out IFileSystem openedFileSystem)
{
openedFileSystem = null;
try
{
Nca nca = new Nca(context.Device.System.KeySet, ncaStorage);
if (!nca.SectionExists(NcaSectionType.Data))
{
return(ResultCode.PartitionNotFound);
}
LibHac.Fs.Fsa.IFileSystem fileSystem = nca.OpenFileSystem(NcaSectionType.Data, context.Device.System.FsIntegrityCheckLevel);
using var sharedFs = new SharedRef <LibHac.Fs.Fsa.IFileSystem>(fileSystem);
using SharedRef <LibHac.FsSrv.Sf.IFileSystem> adapter = FileSystemInterfaceAdapter.CreateShared(ref sharedFs.Ref(), true);
openedFileSystem = new IFileSystem(ref adapter.Ref());
}
catch (HorizonResultException ex)
{
return((ResultCode)ex.ResultValue.Value);
}
return(ResultCode.Success);
}
// OpenDataStorageByDataId(u8 storageId, nn::ApplicationId tid) -> object<nn::fssrv::sf::IStorage> dataStorage
public ResultCode OpenDataStorageByDataId(ServiceCtx context)
{
StorageId storageId = (StorageId)context.RequestData.ReadByte();
byte[] padding = context.RequestData.ReadBytes(7);
long titleId = context.RequestData.ReadInt64();
NcaContentType contentType = NcaContentType.Data;
StorageId installedStorage =
context.Device.System.ContentManager.GetInstalledStorage(titleId, contentType, storageId);
if (installedStorage == StorageId.None)
{
contentType = NcaContentType.PublicData;
installedStorage =
context.Device.System.ContentManager.GetInstalledStorage(titleId, contentType, storageId);
}
if (installedStorage != StorageId.None)
{
string contentPath = context.Device.System.ContentManager.GetInstalledContentPath(titleId, storageId, contentType);
string installPath = context.Device.FileSystem.SwitchPathToSystemPath(contentPath);
if (!string.IsNullOrWhiteSpace(installPath))
{
string ncaPath = installPath;
if (File.Exists(ncaPath))
{
try
{
LibHac.Fs.IStorage ncaStorage = new LocalStorage(ncaPath, FileAccess.Read, FileMode.Open);
Nca nca = new Nca(context.Device.System.KeySet, ncaStorage);
LibHac.Fs.IStorage romfsStorage = nca.OpenStorage(NcaSectionType.Data, context.Device.System.FsIntegrityCheckLevel);
MakeObject(context, new FileSystemProxy.IStorage(romfsStorage));
}
catch (HorizonResultException ex)
{
return((ResultCode)ex.ResultValue.Value);
}
return(ResultCode.Success);
}
else
{
throw new FileNotFoundException($"No Nca found in Path `{ncaPath}`.");
}
}
else
{
throw new DirectoryNotFoundException($"Path for title id {titleId:x16} on Storage {storageId} was not found in Path {installPath}.");
}
}
throw new FileNotFoundException($"System archive with titleid {titleId:x16} was not found on Storage {storageId}. Found in {installedStorage}.");
}
private long OpenNcaFs(ServiceCtx context, string ncaPath, LibHac.Fs.IStorage ncaStorage)
{
Nca nca = new Nca(context.Device.System.KeySet, ncaStorage);
if (!nca.SectionExists(NcaSectionType.Data))
{
return(MakeError(ErrorModule.Fs, FsErr.PartitionNotFound));
}
LibHac.Fs.IFileSystem fileSystem = nca.OpenFileSystem(NcaSectionType.Data, context.Device.System.FsIntegrityCheckLevel);
MakeObject(context, new IFileSystem(fileSystem));
return(0);
}
private ResultCode OpenNcaFs(ServiceCtx context, string ncaPath, LibHac.Fs.IStorage ncaStorage)
{
try
{
Nca nca = new Nca(context.Device.System.KeySet, ncaStorage);
if (!nca.SectionExists(NcaSectionType.Data))
{
return(ResultCode.PartitionNotFound);
}
LibHac.Fs.IFileSystem fileSystem = nca.OpenFileSystem(NcaSectionType.Data, context.Device.System.FsIntegrityCheckLevel);
MakeObject(context, new IFileSystem(fileSystem));
}
catch (HorizonResultException ex)
{
return((ResultCode)ex.ResultValue.Value);
}
return(ResultCode.Success);
}
// OpenDataStorageByDataId(u8 storageId, nn::ApplicationId tid) -> object<nn::fssrv::sf::IStorage> dataStorage
public ResultCode OpenDataStorageByDataId(ServiceCtx context)
{
StorageId storageId = (StorageId)context.RequestData.ReadByte();
byte[] padding = context.RequestData.ReadBytes(7);
long titleId = context.RequestData.ReadInt64();
// We do a mitm here to find if the request is for an AOC.
// This is because AOC can be distributed over multiple containers in the emulator.
if (context.Device.System.ContentManager.GetAocDataStorage((ulong)titleId, out LibHac.Fs.IStorage aocStorage))
{
Logger.Info?.Print(LogClass.Loader, $"Opened AddOnContent Data TitleID={titleId:X16}");
MakeObject(context, new FileSystemProxy.IStorage(aocStorage));
return(ResultCode.Success);
}
NcaContentType contentType = NcaContentType.Data;
StorageId installedStorage = context.Device.System.ContentManager.GetInstalledStorage(titleId, contentType, storageId);
if (installedStorage == StorageId.None)
{
contentType = NcaContentType.PublicData;
installedStorage = context.Device.System.ContentManager.GetInstalledStorage(titleId, contentType, storageId);
}
if (installedStorage != StorageId.None)
{
string contentPath = context.Device.System.ContentManager.GetInstalledContentPath(titleId, storageId, contentType);
string installPath = context.Device.FileSystem.SwitchPathToSystemPath(contentPath);
if (!string.IsNullOrWhiteSpace(installPath))
{
string ncaPath = installPath;
if (File.Exists(ncaPath))
{
try
{
LibHac.Fs.IStorage ncaStorage = new LocalStorage(ncaPath, FileAccess.Read, FileMode.Open);
Nca nca = new Nca(context.Device.System.KeySet, ncaStorage);
LibHac.Fs.IStorage romfsStorage = nca.OpenStorage(NcaSectionType.Data, context.Device.System.FsIntegrityCheckLevel);
MakeObject(context, new FileSystemProxy.IStorage(romfsStorage));
}
catch (HorizonResultException ex)
{
return((ResultCode)ex.ResultValue.Value);
}
return(ResultCode.Success);
}
else
{
throw new FileNotFoundException($"No Nca found in Path `{ncaPath}`.");
}
}
else
{
throw new DirectoryNotFoundException($"Path for title id {titleId:x16} on Storage {storageId} was not found in Path {installPath}.");
}
}
throw new FileNotFoundException($"System archive with titleid {titleId:x16} was not found on Storage {storageId}. Found in {installedStorage}.");
}
public SubStorage2(IStorage baseStorage, long offset, long size)
{
BaseStorage = baseStorage;
Offset = offset;
Size = size;
}
public IStorage(LibHac.Fs.IStorage backing) => Backing = backing;
public SubStorage(IStorage baseStorage, long offset, long length, bool leaveOpen, FileAccess access)
: this(baseStorage, offset, length, leaveOpen)
{
Access = access;
}
public SubStorage(IStorage baseStorage, long offset, long length)
{
BaseStorage = baseStorage;
Offset = offset;
_length = length;
}
public ConcatSource(IStorage storage, long startOffset, long length)
{
Storage = storage;
StartOffset = startOffset;
Size = length;
}