mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-08-20 07:38:42 +02:00
Cleans "sdcard:/Nintendo/save" and deletes "sdcard:/save" when opening the emulator. Works around invalid encryption when keys or the SD card encryption seed are changed.
151 lines
7.2 KiB
C#
151 lines
7.2 KiB
C#
using LibHac;
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using LibHac.Bcat;
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using LibHac.Common;
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using LibHac.Fs.Fsa;
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using LibHac.Fs.Shim;
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using LibHac.FsSrv.Impl;
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using LibHac.Loader;
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using LibHac.Ncm;
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using Ryujinx.HLE.FileSystem;
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using Ryujinx.HLE.HOS.Services.Arp;
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using System;
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using StorageId = LibHac.Ncm.StorageId;
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namespace Ryujinx.HLE.HOS
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{
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public class LibHacHorizonManager
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{
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private LibHac.Horizon Server { get; set; }
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public HorizonClient RyujinxClient { get; private set; }
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public HorizonClient ApplicationClient { get; private set; }
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public HorizonClient AccountClient { get; private set; }
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public HorizonClient AmClient { get; private set; }
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public HorizonClient BcatClient { get; private set; }
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public HorizonClient FsClient { get; private set; }
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public HorizonClient NsClient { get; private set; }
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public HorizonClient SdbClient { get; private set; }
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internal LibHacIReader ArpIReader { get; private set; }
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public LibHacHorizonManager()
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{
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InitializeServer();
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}
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private void InitializeServer()
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{
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Server = new LibHac.Horizon(new HorizonConfiguration());
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RyujinxClient = Server.CreatePrivilegedHorizonClient();
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}
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public void InitializeArpServer()
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{
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ArpIReader = new LibHacIReader();
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RyujinxClient.Sm.RegisterService(new LibHacArpServiceObject(ArpIReader), "arp:r").ThrowIfFailure();
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}
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public void InitializeBcatServer()
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{
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BcatClient = Server.CreateHorizonClient(new ProgramLocation(SystemProgramId.Bcat, StorageId.BuiltInSystem),
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BcatFsPermissions);
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_ = new BcatServer(BcatClient);
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}
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public void InitializeFsServer(VirtualFileSystem virtualFileSystem)
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{
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virtualFileSystem.InitializeFsServer(Server, out var fsClient);
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FsClient = fsClient;
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CleanSdCardDirectory();
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}
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public void InitializeSystemClients()
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{
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AccountClient = Server.CreateHorizonClient(new ProgramLocation(SystemProgramId.Account, StorageId.BuiltInSystem),
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AccountFsPermissions);
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AmClient = Server.CreateHorizonClient(new ProgramLocation(SystemProgramId.Am, StorageId.BuiltInSystem),
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AmFsPermissions);
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NsClient = Server.CreateHorizonClient(new ProgramLocation(SystemProgramId.Ns, StorageId.BuiltInSystem),
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NsFsPermissions);
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SdbClient = Server.CreateHorizonClient(new ProgramLocation(SystemProgramId.Sdb, StorageId.BuiltInSystem),
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SdbFacData, SdbFacDescriptor);
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}
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public void InitializeApplicationClient(ProgramId programId, in Npdm npdm)
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{
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ApplicationClient = Server.CreateHorizonClient(new ProgramLocation(programId, StorageId.BuiltInUser),
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npdm.FsAccessControlData, npdm.FsAccessControlDescriptor);
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}
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// This function was added to avoid errors that come from a user's keys or SD encryption seed changing.
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// Catching these errors and recreating the file ended up not working because of the different ways
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// applications respond to a file suddenly containing all zeros or having a length of zero.
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// Clearing the SD card save directory was determined to be the best option for the moment since
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// the saves on the SD card are meant as caches that can be deleted at any time.
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private void CleanSdCardDirectory()
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{
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Result rc = RyujinxClient.Fs.MountSdCard("sdcard".ToU8Span());
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if (rc.IsFailure()) return;
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try
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{
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RyujinxClient.Fs.CleanDirectoryRecursively("sdcard:/Nintendo/save".ToU8Span()).IgnoreResult();
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RyujinxClient.Fs.DeleteDirectoryRecursively("sdcard:/save".ToU8Span()).IgnoreResult();
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}
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finally
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{
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RyujinxClient.Fs.Unmount("sdcard".ToU8Span());
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}
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}
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private static AccessControlBits.Bits AccountFsPermissions => AccessControlBits.Bits.SystemSaveData |
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AccessControlBits.Bits.GameCard |
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AccessControlBits.Bits.SaveDataMeta |
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AccessControlBits.Bits.GetRightsId;
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private static AccessControlBits.Bits AmFsPermissions => AccessControlBits.Bits.SaveDataManagement |
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AccessControlBits.Bits.CreateSaveData |
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AccessControlBits.Bits.SystemData;
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private static AccessControlBits.Bits BcatFsPermissions => AccessControlBits.Bits.SystemSaveData;
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private static AccessControlBits.Bits NsFsPermissions => AccessControlBits.Bits.ApplicationInfo |
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AccessControlBits.Bits.SystemSaveData |
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AccessControlBits.Bits.GameCard |
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AccessControlBits.Bits.SaveDataManagement |
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AccessControlBits.Bits.ContentManager |
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AccessControlBits.Bits.ImageManager |
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AccessControlBits.Bits.SystemSaveDataManagement |
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AccessControlBits.Bits.SystemUpdate |
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AccessControlBits.Bits.SdCard |
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AccessControlBits.Bits.FormatSdCard |
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AccessControlBits.Bits.GetRightsId |
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AccessControlBits.Bits.RegisterProgramIndexMapInfo |
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AccessControlBits.Bits.MoveCacheStorage;
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// Sdb has save data access control info so we can't store just its access control bits
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private static ReadOnlySpan<byte> SdbFacData => new byte[]
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{
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0x01, 0x00, 0x00, 0x00, 0x08, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
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0x03, 0x03, 0x00, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x09, 0x10, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x01
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};
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private static ReadOnlySpan<byte> SdbFacDescriptor => new byte[]
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{
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0x01, 0x00, 0x02, 0x00, 0x08, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x01, 0x09, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
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};
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}
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}
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