using LibHac; using LibHac.Fs; using LibHac.FsSystem; using LibHac.FsSystem.NcaUtils; using Ryujinx.Common.Logging; using Ryujinx.HLE.FileSystem; using Ryujinx.HLE.HOS.SystemState; using System; using System.IO; using System.Text; namespace Ryujinx.HLE.HOS.Services.Settings { [Service("set:sys")] class ISystemSettingsServer : IpcService { public ISystemSettingsServer(ServiceCtx context) { } [Command(3)] // GetFirmwareVersion() -> buffer public ResultCode GetFirmwareVersion(ServiceCtx context) { return GetFirmwareVersion2(context); } [Command(4)] // GetFirmwareVersion2() -> buffer public ResultCode GetFirmwareVersion2(ServiceCtx context) { long replyPos = context.Request.RecvListBuff[0].Position; long replySize = context.Request.RecvListBuff[0].Size; byte[] firmwareData = GetFirmwareData(context.Device); if (firmwareData != null) { context.Memory.WriteBytes(replyPos, firmwareData); return ResultCode.Success; } const byte majorFwVersion = 0x03; const byte minorFwVersion = 0x00; const byte microFwVersion = 0x00; const byte unknown = 0x00; //Build? const int revisionNumber = 0x0A; const string platform = "NX"; const string unknownHex = "7fbde2b0bba4d14107bf836e4643043d9f6c8e47"; const string version = "3.0.0"; const string build = "NintendoSDK Firmware for NX 3.0.0-10.0"; // http://switchbrew.org/index.php?title=System_Version_Title using (MemoryStream ms = new MemoryStream(0x100)) { BinaryWriter writer = new BinaryWriter(ms); writer.Write(majorFwVersion); writer.Write(minorFwVersion); writer.Write(microFwVersion); writer.Write(unknown); writer.Write(revisionNumber); writer.Write(Encoding.ASCII.GetBytes(platform)); ms.Seek(0x28, SeekOrigin.Begin); writer.Write(Encoding.ASCII.GetBytes(unknownHex)); ms.Seek(0x68, SeekOrigin.Begin); writer.Write(Encoding.ASCII.GetBytes(version)); ms.Seek(0x80, SeekOrigin.Begin); writer.Write(Encoding.ASCII.GetBytes(build)); context.Memory.WriteBytes(replyPos, ms.ToArray()); } return ResultCode.Success; } [Command(23)] // GetColorSetId() -> i32 public ResultCode GetColorSetId(ServiceCtx context) { context.ResponseData.Write((int)context.Device.System.State.ThemeColor); return ResultCode.Success; } [Command(24)] // GetColorSetId() -> i32 public ResultCode SetColorSetId(ServiceCtx context) { int colorSetId = context.RequestData.ReadInt32(); context.Device.System.State.ThemeColor = (ColorSet)colorSetId; return ResultCode.Success; } [Command(38)] // GetSettingsItemValue(buffer, buffer) -> (u64, buffer) public ResultCode GetSettingsItemValue(ServiceCtx context) { long classPos = context.Request.PtrBuff[0].Position; long classSize = context.Request.PtrBuff[0].Size; long namePos = context.Request.PtrBuff[1].Position; long nameSize = context.Request.PtrBuff[1].Size; long replyPos = context.Request.ReceiveBuff[0].Position; long replySize = context.Request.ReceiveBuff[0].Size; byte[] Class = context.Memory.ReadBytes(classPos, classSize); byte[] name = context.Memory.ReadBytes(namePos, nameSize); string askedSetting = Encoding.ASCII.GetString(Class).Trim('\0') + "!" + Encoding.ASCII.GetString(name).Trim('\0'); NxSettings.Settings.TryGetValue(askedSetting, out object nxSetting); if (nxSetting != null) { byte[] settingBuffer = new byte[replySize]; if (nxSetting is string stringValue) { if (stringValue.Length + 1 > replySize) { Logger.PrintError(LogClass.ServiceSet, $"{askedSetting} String value size is too big!"); } else { settingBuffer = Encoding.ASCII.GetBytes(stringValue + "\0"); } } if (nxSetting is int intValue) { settingBuffer = BitConverter.GetBytes(intValue); } else if (nxSetting is bool boolValue) { settingBuffer[0] = boolValue ? (byte)1 : (byte)0; } else { throw new NotImplementedException(nxSetting.GetType().Name); } context.Memory.WriteBytes(replyPos, settingBuffer); Logger.PrintDebug(LogClass.ServiceSet, $"{askedSetting} set value: {nxSetting} as {nxSetting.GetType()}"); } else { Logger.PrintError(LogClass.ServiceSet, $"{askedSetting} not found!"); } return ResultCode.Success; } public byte[] GetFirmwareData(Switch device) { long titleId = 0x0100000000000809; string contentPath = device.System.ContentManager.GetInstalledContentPath(titleId, StorageId.NandSystem, NcaContentType.Data); if (string.IsNullOrWhiteSpace(contentPath)) { return null; } string firmwareTitlePath = device.FileSystem.SwitchPathToSystemPath(contentPath); using(IStorage firmwareStorage = new LocalStorage(firmwareTitlePath, FileAccess.Read)) { Nca firmwareContent = new Nca(device.System.KeySet, firmwareStorage); if (!firmwareContent.CanOpenSection(NcaSectionType.Data)) { return null; } IFileSystem firmwareRomFs = firmwareContent.OpenFileSystem(NcaSectionType.Data, device.System.FsIntegrityCheckLevel); Result result = firmwareRomFs.OpenFile(out IFile firmwareFile, "/file", OpenMode.Read); if (result.IsFailure()) { return null; } result = firmwareFile.GetSize(out long fileSize); if (result.IsFailure()) { return null; } byte[] data = new byte[fileSize]; result = firmwareFile.Read(out _, 0, data); if (result.IsFailure()) { return null; } return data; } } } }