mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-12-29 19:26:00 +00:00
602 lines
No EOL
21 KiB
C#
602 lines
No EOL
21 KiB
C#
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 Ryujinx.Common.Configuration;
|
|
using Ryujinx.Common.Logging;
|
|
using Ryujinx.HLE.FileSystem.Content;
|
|
using Ryujinx.HLE.HOS;
|
|
using System;
|
|
using System.Buffers.Text;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Runtime.CompilerServices;
|
|
using RightsId = LibHac.Fs.RightsId;
|
|
|
|
namespace Ryujinx.HLE.FileSystem
|
|
{
|
|
public class VirtualFileSystem : IDisposable
|
|
{
|
|
public const string NandPath = AppDataManager.DefaultNandDir;
|
|
public const string SdCardPath = AppDataManager.DefaultSdcardDir;
|
|
|
|
public static string SafeNandPath = Path.Combine(NandPath, "safe");
|
|
public static string SystemNandPath = Path.Combine(NandPath, "system");
|
|
public static string UserNandPath = Path.Combine(NandPath, "user");
|
|
|
|
private static bool _isInitialized = false;
|
|
|
|
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 VirtualFileSystem()
|
|
{
|
|
ReloadKeySet();
|
|
ModLoader = new ModLoader(); // Should only be created once
|
|
}
|
|
|
|
public Stream RomFs { get; private set; }
|
|
|
|
public void LoadRomFs(string fileName)
|
|
{
|
|
RomFs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
|
|
}
|
|
|
|
public void SetRomFs(Stream romfsStream)
|
|
{
|
|
RomFs?.Close();
|
|
RomFs = romfsStream;
|
|
}
|
|
|
|
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(GetBasePath()))
|
|
{
|
|
return null;
|
|
}
|
|
|
|
return fullPath;
|
|
}
|
|
|
|
internal string GetBasePath() => AppDataManager.BaseDirPath;
|
|
internal string GetSdCardPath() => MakeFullPath(SdCardPath);
|
|
public string GetNandPath() => MakeFullPath(NandPath);
|
|
|
|
public string GetFullPartitionPath(string partitionPath)
|
|
{
|
|
return MakeFullPath(partitionPath);
|
|
}
|
|
|
|
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 = GetBasePath() + Path.DirectorySeparatorChar;
|
|
|
|
if (systemPath.StartsWith(baseSystemPath))
|
|
{
|
|
string rawPath = systemPath.Replace(baseSystemPath, "");
|
|
int firstSeparatorOffset = rawPath.IndexOf(Path.DirectorySeparatorChar);
|
|
|
|
if (firstSeparatorOffset == -1)
|
|
{
|
|
return $"{rawPath}:/";
|
|
}
|
|
|
|
string basePath = rawPath.Substring(0, firstSeparatorOffset);
|
|
string fileName = rawPath.Substring(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:
|
|
case "@Sdcard":
|
|
path = SdCardPath;
|
|
break;
|
|
case ContentPath.User:
|
|
path = UserNandPath;
|
|
break;
|
|
case ContentPath.System:
|
|
path = SystemNandPath;
|
|
break;
|
|
case ContentPath.SdCardContent:
|
|
path = Path.Combine(SdCardPath, "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(GetBasePath(), path);
|
|
|
|
if (isDirectory)
|
|
{
|
|
if (!Directory.Exists(fullPath))
|
|
{
|
|
Directory.CreateDirectory(fullPath);
|
|
}
|
|
}
|
|
|
|
return fullPath;
|
|
}
|
|
|
|
public DriveInfo GetDrive()
|
|
{
|
|
return new DriveInfo(Path.GetPathRoot(GetBasePath()));
|
|
}
|
|
|
|
public void InitializeFsServer(LibHac.Horizon horizon, out HorizonClient fsServerClient)
|
|
{
|
|
LocalFileSystem serverBaseFs = new LocalFileSystem(GetBasePath());
|
|
|
|
fsServerClient = horizon.CreatePrivilegedHorizonClient();
|
|
var fsServer = new FileSystemServer(fsServerClient);
|
|
|
|
DefaultFsServerObjects fsServerObjects = DefaultFsServerObjects.GetDefaultEmulatedCreators(serverBaseFs, KeySet, fsServer);
|
|
|
|
// Use our own encrypted fs creator that always uses all-zero keys
|
|
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
|
|
};
|
|
|
|
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"))
|
|
{
|
|
Result result = fs.OpenFile(out IFile ticketFile, ticketEntry.FullPath.ToU8Span(), OpenMode.Read);
|
|
|
|
if (result.IsSuccess())
|
|
{
|
|
Ticket ticket = new Ticket(ticketFile.AsStream());
|
|
|
|
if (ticket.TitleKeyType == TitleKeyType.Common)
|
|
{
|
|
KeySet.ExternalKeySet.Add(new RightsId(ticket.RightsId), new AccessKey(ticket.GetTitleKey(KeySet)));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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];
|
|
|
|
Result rc = hos.Fs.OpenSaveDataIterator(out var iterator, spaceId);
|
|
if (rc.IsFailure()) return rc;
|
|
|
|
while (true)
|
|
{
|
|
rc = iterator.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;
|
|
|
|
if (!canFixByProgramId && !canFixBySaveDataId)
|
|
{
|
|
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 != LibHac.Fs.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 Unload()
|
|
{
|
|
RomFs?.Dispose();
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
Dispose(true);
|
|
}
|
|
|
|
protected virtual void Dispose(bool disposing)
|
|
{
|
|
if (disposing)
|
|
{
|
|
Unload();
|
|
}
|
|
}
|
|
|
|
public static VirtualFileSystem CreateInstance()
|
|
{
|
|
if (_isInitialized)
|
|
{
|
|
throw new InvalidOperationException("VirtualFileSystem can only be instantiated once!");
|
|
}
|
|
|
|
_isInitialized = true;
|
|
|
|
return new VirtualFileSystem();
|
|
}
|
|
}
|
|
} |