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-rw-r--r--Ryujinx.HLE/FileSystem/VirtualFileSystem.cs615
1 files changed, 0 insertions, 615 deletions
diff --git a/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs b/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs
deleted file mode 100644
index 1b3968ea..00000000
--- a/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs
+++ /dev/null
@@ -1,615 +0,0 @@
-using LibHac;
-using LibHac.Common;
-using LibHac.Common.Keys;
-using LibHac.Fs;
-using LibHac.Fs.Fsa;
-using LibHac.Fs.Shim;
-using LibHac.FsSrv;
-using LibHac.FsSystem;
-using LibHac.Ncm;
-using LibHac.Spl;
-using LibHac.Tools.Es;
-using LibHac.Tools.Fs;
-using LibHac.Tools.FsSystem;
-using Ryujinx.Common.Configuration;
-using Ryujinx.Common.Logging;
-using Ryujinx.HLE.HOS;
-using System;
-using System.Buffers.Text;
-using System.Collections.Concurrent;
-using System.Collections.Generic;
-using System.IO;
-using System.Runtime.CompilerServices;
-using Path = System.IO.Path;
-using RightsId = LibHac.Fs.RightsId;
-
-namespace Ryujinx.HLE.FileSystem
-{
- public class VirtualFileSystem : IDisposable
- {
- public static string SafeNandPath = Path.Combine(AppDataManager.DefaultNandDir, "safe");
- public static string SystemNandPath = Path.Combine(AppDataManager.DefaultNandDir, "system");
- public static string UserNandPath = Path.Combine(AppDataManager.DefaultNandDir, "user");
-
- public KeySet KeySet { get; private set; }
- public EmulatedGameCard GameCard { get; private set; }
- public EmulatedSdCard SdCard { get; private set; }
- public ModLoader ModLoader { get; private set; }
-
- private readonly ConcurrentDictionary<ulong, Stream> _romFsByPid;
-
- private static bool _isInitialized = false;
-
- public static VirtualFileSystem CreateInstance()
- {
- if (_isInitialized)
- {
- throw new InvalidOperationException("VirtualFileSystem can only be instantiated once!");
- }
-
- _isInitialized = true;
-
- return new VirtualFileSystem();
- }
-
- private VirtualFileSystem()
- {
- ReloadKeySet();
- ModLoader = new ModLoader(); // Should only be created once
- _romFsByPid = new ConcurrentDictionary<ulong, Stream>();
- }
-
- public void LoadRomFs(ulong pid, string fileName)
- {
- var romfsStream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
-
- _romFsByPid.AddOrUpdate(pid, romfsStream, (pid, oldStream) =>
- {
- oldStream.Close();
-
- return romfsStream;
- });
- }
-
- public void SetRomFs(ulong pid, Stream romfsStream)
- {
- _romFsByPid.AddOrUpdate(pid, romfsStream, (pid, oldStream) =>
- {
- oldStream.Close();
-
- return romfsStream;
- });
- }
-
- public Stream GetRomFs(ulong pid)
- {
- return _romFsByPid[pid];
- }
-
- public string GetFullPath(string basePath, string fileName)
- {
- if (fileName.StartsWith("//"))
- {
- fileName = fileName.Substring(2);
- }
- else if (fileName.StartsWith('/'))
- {
- fileName = fileName.Substring(1);
- }
- else
- {
- return null;
- }
-
- string fullPath = Path.GetFullPath(Path.Combine(basePath, fileName));
-
- if (!fullPath.StartsWith(AppDataManager.BaseDirPath))
- {
- return null;
- }
-
- return fullPath;
- }
-
- internal string GetSdCardPath() => MakeFullPath(AppDataManager.DefaultSdcardDir);
- public string GetNandPath() => MakeFullPath(AppDataManager.DefaultNandDir);
-
- public string SwitchPathToSystemPath(string switchPath)
- {
- string[] parts = switchPath.Split(":");
-
- if (parts.Length != 2)
- {
- return null;
- }
-
- return GetFullPath(MakeFullPath(parts[0]), parts[1]);
- }
-
- public string SystemPathToSwitchPath(string systemPath)
- {
- string baseSystemPath = AppDataManager.BaseDirPath + Path.DirectorySeparatorChar;
-
- if (systemPath.StartsWith(baseSystemPath))
- {
- string rawPath = systemPath.Replace(baseSystemPath, "");
- int firstSeparatorOffset = rawPath.IndexOf(Path.DirectorySeparatorChar);
-
- if (firstSeparatorOffset == -1)
- {
- return $"{rawPath}:/";
- }
-
- var basePath = rawPath.AsSpan(0, firstSeparatorOffset);
- var fileName = rawPath.AsSpan(firstSeparatorOffset + 1);
-
- return $"{basePath}:/{fileName}";
- }
-
- return null;
- }
-
- private string MakeFullPath(string path, bool isDirectory = true)
- {
- // Handles Common Switch Content Paths
- switch (path)
- {
- case ContentPath.SdCard:
- path = AppDataManager.DefaultSdcardDir;
- break;
- case ContentPath.User:
- path = UserNandPath;
- break;
- case ContentPath.System:
- path = SystemNandPath;
- break;
- case ContentPath.SdCardContent:
- path = Path.Combine(AppDataManager.DefaultSdcardDir, "Nintendo", "Contents");
- break;
- case ContentPath.UserContent:
- path = Path.Combine(UserNandPath, "Contents");
- break;
- case ContentPath.SystemContent:
- path = Path.Combine(SystemNandPath, "Contents");
- break;
- }
-
- string fullPath = Path.Combine(AppDataManager.BaseDirPath, path);
-
- if (isDirectory && !Directory.Exists(fullPath))
- {
- Directory.CreateDirectory(fullPath);
- }
-
- return fullPath;
- }
-
- public void InitializeFsServer(LibHac.Horizon horizon, out HorizonClient fsServerClient)
- {
- LocalFileSystem serverBaseFs = new LocalFileSystem(AppDataManager.BaseDirPath);
-
- fsServerClient = horizon.CreatePrivilegedHorizonClient();
- var fsServer = new FileSystemServer(fsServerClient);
-
- RandomDataGenerator randomGenerator = Random.Shared.NextBytes;
-
- DefaultFsServerObjects fsServerObjects = DefaultFsServerObjects.GetDefaultEmulatedCreators(serverBaseFs, KeySet, fsServer, randomGenerator);
-
- // Use our own encrypted fs creator that doesn't actually do any encryption
- fsServerObjects.FsCreators.EncryptedFileSystemCreator = new EncryptedFileSystemCreator();
-
- GameCard = fsServerObjects.GameCard;
- SdCard = fsServerObjects.SdCard;
-
- SdCard.SetSdCardInsertionStatus(true);
-
- var fsServerConfig = new FileSystemServerConfig
- {
- DeviceOperator = fsServerObjects.DeviceOperator,
- ExternalKeySet = KeySet.ExternalKeySet,
- FsCreators = fsServerObjects.FsCreators,
- RandomGenerator = randomGenerator
- };
-
- FileSystemServerInitializer.InitializeWithConfig(fsServerClient, fsServer, fsServerConfig);
- }
-
- public void ReloadKeySet()
- {
- KeySet ??= KeySet.CreateDefaultKeySet();
-
- string keyFile = null;
- string titleKeyFile = null;
- string consoleKeyFile = null;
-
- if (AppDataManager.Mode == AppDataManager.LaunchMode.UserProfile)
- {
- LoadSetAtPath(AppDataManager.KeysDirPathUser);
- }
-
- LoadSetAtPath(AppDataManager.KeysDirPath);
-
- void LoadSetAtPath(string basePath)
- {
- string localKeyFile = Path.Combine(basePath, "prod.keys");
- string localTitleKeyFile = Path.Combine(basePath, "title.keys");
- string localConsoleKeyFile = Path.Combine(basePath, "console.keys");
-
- if (File.Exists(localKeyFile))
- {
- keyFile = localKeyFile;
- }
-
- if (File.Exists(localTitleKeyFile))
- {
- titleKeyFile = localTitleKeyFile;
- }
-
- if (File.Exists(localConsoleKeyFile))
- {
- consoleKeyFile = localConsoleKeyFile;
- }
- }
-
- ExternalKeyReader.ReadKeyFile(KeySet, keyFile, titleKeyFile, consoleKeyFile, null);
- }
-
- public void ImportTickets(IFileSystem fs)
- {
- foreach (DirectoryEntryEx ticketEntry in fs.EnumerateEntries("/", "*.tik"))
- {
- using var ticketFile = new UniqueRef<IFile>();
-
- Result result = fs.OpenFile(ref ticketFile.Ref, ticketEntry.FullPath.ToU8Span(), OpenMode.Read);
-
- if (result.IsSuccess())
- {
- Ticket ticket = new(ticketFile.Get.AsStream());
- var titleKey = ticket.GetTitleKey(KeySet);
-
- if (titleKey != null)
- {
- KeySet.ExternalKeySet.Add(new RightsId(ticket.RightsId), new AccessKey(titleKey));
- }
- }
- }
- }
-
- // Save data created before we supported extra data in directory save data will not work properly if
- // given empty extra data. Luckily some of that extra data can be created using the data from the
- // save data indexer, which should be enough to check access permissions for user saves.
- // Every single save data's extra data will be checked and fixed if needed each time the emulator is opened.
- // Consider removing this at some point in the future when we don't need to worry about old saves.
- public static Result FixExtraData(HorizonClient hos)
- {
- Result rc = GetSystemSaveList(hos, out List<ulong> systemSaveIds);
- if (rc.IsFailure()) return rc;
-
- rc = FixUnindexedSystemSaves(hos, systemSaveIds);
- if (rc.IsFailure()) return rc;
-
- rc = FixExtraDataInSpaceId(hos, SaveDataSpaceId.System);
- if (rc.IsFailure()) return rc;
-
- rc = FixExtraDataInSpaceId(hos, SaveDataSpaceId.User);
- if (rc.IsFailure()) return rc;
-
- return Result.Success;
- }
-
- private static Result FixExtraDataInSpaceId(HorizonClient hos, SaveDataSpaceId spaceId)
- {
- Span<SaveDataInfo> info = stackalloc SaveDataInfo[8];
-
- using var iterator = new UniqueRef<SaveDataIterator>();
-
- Result rc = hos.Fs.OpenSaveDataIterator(ref iterator.Ref, spaceId);
- if (rc.IsFailure()) return rc;
-
- while (true)
- {
- rc = iterator.Get.ReadSaveDataInfo(out long count, info);
- if (rc.IsFailure()) return rc;
-
- if (count == 0)
- return Result.Success;
-
- for (int i = 0; i < count; i++)
- {
- rc = FixExtraData(out bool wasFixNeeded, hos, in info[i]);
-
- if (ResultFs.TargetNotFound.Includes(rc))
- {
- // If the save wasn't found, try to create the directory for its save data ID
- rc = CreateSaveDataDirectory(hos, in info[i]);
-
- if (rc.IsFailure())
- {
- Logger.Warning?.Print(LogClass.Application, $"Error {rc.ToStringWithName()} when creating save data 0x{info[i].SaveDataId:x} in the {spaceId} save data space");
-
- // Don't bother fixing the extra data if we couldn't create the directory
- continue;
- }
-
- Logger.Info?.Print(LogClass.Application, $"Recreated directory for save data 0x{info[i].SaveDataId:x} in the {spaceId} save data space");
-
- // Try to fix the extra data in the new directory
- rc = FixExtraData(out wasFixNeeded, hos, in info[i]);
- }
-
- if (rc.IsFailure())
- {
- Logger.Warning?.Print(LogClass.Application, $"Error {rc.ToStringWithName()} when fixing extra data for save data 0x{info[i].SaveDataId:x} in the {spaceId} save data space");
- }
- else if (wasFixNeeded)
- {
- Logger.Info?.Print(LogClass.Application, $"Fixed extra data for save data 0x{info[i].SaveDataId:x} in the {spaceId} save data space");
- }
- }
- }
- }
-
- private static Result CreateSaveDataDirectory(HorizonClient hos, in SaveDataInfo info)
- {
- if (info.SpaceId != SaveDataSpaceId.User && info.SpaceId != SaveDataSpaceId.System)
- return Result.Success;
-
- const string mountName = "SaveDir";
- var mountNameU8 = mountName.ToU8Span();
-
- BisPartitionId partitionId = info.SpaceId switch
- {
- SaveDataSpaceId.System => BisPartitionId.System,
- SaveDataSpaceId.User => BisPartitionId.User,
- _ => throw new ArgumentOutOfRangeException()
- };
-
- Result rc = hos.Fs.MountBis(mountNameU8, partitionId);
- if (rc.IsFailure()) return rc;
- try
- {
- var path = $"{mountName}:/save/{info.SaveDataId:x16}".ToU8Span();
-
- rc = hos.Fs.GetEntryType(out _, path);
-
- if (ResultFs.PathNotFound.Includes(rc))
- {
- rc = hos.Fs.CreateDirectory(path);
- }
-
- return rc;
- }
- finally
- {
- hos.Fs.Unmount(mountNameU8);
- }
- }
-
- // Gets a list of all the save data files or directories in the system partition.
- private static Result GetSystemSaveList(HorizonClient hos, out List<ulong> list)
- {
- list = null;
-
- var mountName = "system".ToU8Span();
- DirectoryHandle handle = default;
- List<ulong> localList = new List<ulong>();
-
- try
- {
- Result rc = hos.Fs.MountBis(mountName, BisPartitionId.System);
- if (rc.IsFailure()) return rc;
-
- rc = hos.Fs.OpenDirectory(out handle, "system:/save".ToU8Span(), OpenDirectoryMode.All);
- if (rc.IsFailure()) return rc;
-
- DirectoryEntry entry = new DirectoryEntry();
-
- while (true)
- {
- rc = hos.Fs.ReadDirectory(out long readCount, SpanHelpers.AsSpan(ref entry), handle);
- if (rc.IsFailure()) return rc;
-
- if (readCount == 0)
- break;
-
- if (Utf8Parser.TryParse(entry.Name, out ulong saveDataId, out int bytesRead, 'x') &&
- bytesRead == 16 && (long)saveDataId < 0)
- {
- localList.Add(saveDataId);
- }
- }
-
- list = localList;
-
- return Result.Success;
- }
- finally
- {
- if (handle.IsValid)
- {
- hos.Fs.CloseDirectory(handle);
- }
-
- if (hos.Fs.IsMounted(mountName))
- {
- hos.Fs.Unmount(mountName);
- }
- }
- }
-
- // Adds system save data that isn't in the save data indexer to the indexer and creates extra data for it.
- // Only save data IDs added to SystemExtraDataFixInfo will be fixed.
- private static Result FixUnindexedSystemSaves(HorizonClient hos, List<ulong> existingSaveIds)
- {
- foreach (var fixInfo in SystemExtraDataFixInfo)
- {
- if (!existingSaveIds.Contains(fixInfo.StaticSaveDataId))
- {
- continue;
- }
-
- Result rc = FixSystemExtraData(out bool wasFixNeeded, hos, in fixInfo);
-
- if (rc.IsFailure())
- {
- Logger.Warning?.Print(LogClass.Application,
- $"Error {rc.ToStringWithName()} when fixing extra data for system save data 0x{fixInfo.StaticSaveDataId:x}");
- }
- else if (wasFixNeeded)
- {
- Logger.Info?.Print(LogClass.Application,
- $"Tried to rebuild extra data for system save data 0x{fixInfo.StaticSaveDataId:x}");
- }
- }
-
- return Result.Success;
- }
-
- private static Result FixSystemExtraData(out bool wasFixNeeded, HorizonClient hos, in ExtraDataFixInfo info)
- {
- wasFixNeeded = true;
-
- Result rc = hos.Fs.Impl.ReadSaveDataFileSystemExtraData(out SaveDataExtraData extraData, info.StaticSaveDataId);
- if (!rc.IsSuccess())
- {
- if (!ResultFs.TargetNotFound.Includes(rc))
- return rc;
-
- // We'll reach this point only if the save data directory exists but it's not in the save data indexer.
- // Creating the save will add it to the indexer while leaving its existing contents intact.
- return hos.Fs.CreateSystemSaveData(info.StaticSaveDataId, UserId.InvalidId, info.OwnerId, info.DataSize,
- info.JournalSize, info.Flags);
- }
-
- if (extraData.Attribute.StaticSaveDataId != 0 && extraData.OwnerId != 0)
- {
- wasFixNeeded = false;
- return Result.Success;
- }
-
- extraData = new SaveDataExtraData
- {
- Attribute = { StaticSaveDataId = info.StaticSaveDataId },
- OwnerId = info.OwnerId,
- Flags = info.Flags,
- DataSize = info.DataSize,
- JournalSize = info.JournalSize
- };
-
- // Make a mask for writing the entire extra data
- Unsafe.SkipInit(out SaveDataExtraData extraDataMask);
- SpanHelpers.AsByteSpan(ref extraDataMask).Fill(0xFF);
-
- return hos.Fs.Impl.WriteSaveDataFileSystemExtraData(SaveDataSpaceId.System, info.StaticSaveDataId,
- in extraData, in extraDataMask);
- }
-
- private static Result FixExtraData(out bool wasFixNeeded, HorizonClient hos, in SaveDataInfo info)
- {
- wasFixNeeded = true;
-
- Result rc = hos.Fs.Impl.ReadSaveDataFileSystemExtraData(out SaveDataExtraData extraData, info.SpaceId,
- info.SaveDataId);
- if (rc.IsFailure()) return rc;
-
- // The extra data should have program ID or static save data ID set if it's valid.
- // We only try to fix the extra data if the info from the save data indexer has a program ID or static save data ID.
- bool canFixByProgramId = extraData.Attribute.ProgramId == ProgramId.InvalidId &&
- info.ProgramId != ProgramId.InvalidId;
-
- bool canFixBySaveDataId = extraData.Attribute.StaticSaveDataId == 0 && info.StaticSaveDataId != 0;
-
- bool hasEmptyOwnerId = extraData.OwnerId == 0 && info.Type != SaveDataType.System;
-
- if (!canFixByProgramId && !canFixBySaveDataId && !hasEmptyOwnerId)
- {
- wasFixNeeded = false;
- return Result.Success;
- }
-
- // The save data attribute struct can be completely created from the save data info.
- extraData.Attribute.ProgramId = info.ProgramId;
- extraData.Attribute.UserId = info.UserId;
- extraData.Attribute.StaticSaveDataId = info.StaticSaveDataId;
- extraData.Attribute.Type = info.Type;
- extraData.Attribute.Rank = info.Rank;
- extraData.Attribute.Index = info.Index;
-
- // The rest of the extra data can't be created from the save data info.
- // On user saves the owner ID will almost certainly be the same as the program ID.
- if (info.Type != SaveDataType.System)
- {
- extraData.OwnerId = info.ProgramId.Value;
- }
- else
- {
- // Try to match the system save with one of the known saves
- foreach (ExtraDataFixInfo fixInfo in SystemExtraDataFixInfo)
- {
- if (extraData.Attribute.StaticSaveDataId == fixInfo.StaticSaveDataId)
- {
- extraData.OwnerId = fixInfo.OwnerId;
- extraData.Flags = fixInfo.Flags;
- extraData.DataSize = fixInfo.DataSize;
- extraData.JournalSize = fixInfo.JournalSize;
-
- break;
- }
- }
- }
-
- // Make a mask for writing the entire extra data
- Unsafe.SkipInit(out SaveDataExtraData extraDataMask);
- SpanHelpers.AsByteSpan(ref extraDataMask).Fill(0xFF);
-
- return hos.Fs.Impl.WriteSaveDataFileSystemExtraData(info.SpaceId, info.SaveDataId, in extraData, in extraDataMask);
- }
-
- struct ExtraDataFixInfo
- {
- public ulong StaticSaveDataId;
- public ulong OwnerId;
- public SaveDataFlags Flags;
- public long DataSize;
- public long JournalSize;
- }
-
- private static readonly ExtraDataFixInfo[] SystemExtraDataFixInfo =
- {
- new ExtraDataFixInfo()
- {
- StaticSaveDataId = 0x8000000000000030,
- OwnerId = 0x010000000000001F,
- Flags = SaveDataFlags.KeepAfterResettingSystemSaveDataWithoutUserSaveData,
- DataSize = 0x10000,
- JournalSize = 0x10000
- },
- new ExtraDataFixInfo()
- {
- StaticSaveDataId = 0x8000000000001040,
- OwnerId = 0x0100000000001009,
- Flags = SaveDataFlags.None,
- DataSize = 0xC000,
- JournalSize = 0xC000
- }
- };
-
- public void Dispose()
- {
- Dispose(true);
- }
-
- protected virtual void Dispose(bool disposing)
- {
- if (disposing)
- {
- foreach (var stream in _romFsByPid.Values)
- {
- stream.Close();
- }
-
- _romFsByPid.Clear();
- }
- }
- }
-} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-09 12:59:40 +0000