using LibHac; using LibHac.IO; using Ryujinx.Common.Logging; using Ryujinx.HLE.FileSystem; using Ryujinx.HLE.HOS.Ipc; using Ryujinx.HLE.HOS.SystemState; using System; using System.Collections.Generic; using System.IO; using System.Text; namespace Ryujinx.HLE.HOS.Services.Set { class ISystemSettingsServer : IpcService { private Dictionary _commands; public override IReadOnlyDictionary Commands => _commands; public ISystemSettingsServer() { _commands = new Dictionary { { 3, GetFirmwareVersion }, { 4, GetFirmwareVersion2 }, { 23, GetColorSetId }, { 24, SetColorSetId }, { 38, GetSettingsItemValue } }; } // GetFirmwareVersion() -> buffer public static long GetFirmwareVersion(ServiceCtx context) { return GetFirmwareVersion2(context); } // GetFirmwareVersion2() -> buffer public static long 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 0; } 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 0; } // GetColorSetId() -> i32 public static long GetColorSetId(ServiceCtx context) { context.ResponseData.Write((int)context.Device.System.State.ThemeColor); return 0; } // GetColorSetId() -> i32 public static long SetColorSetId(ServiceCtx context) { int colorSetId = context.RequestData.ReadInt32(); context.Device.System.State.ThemeColor = (ColorSet)colorSetId; return 0; } // GetSettingsItemValue(buffer, buffer) -> (u64, buffer) public static long 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 0; } public static byte[] GetFirmwareData(Switch device) { long titleId = 0x0100000000000809; string contentPath = device.System.ContentManager.GetInstalledContentPath(titleId, StorageId.NandSystem, ContentType.Data); if(string.IsNullOrWhiteSpace(contentPath)) { return null; } string firmwareTitlePath = device.FileSystem.SwitchPathToSystemPath(contentPath); using(FileStream firmwareStream = File.Open(firmwareTitlePath, FileMode.Open, FileAccess.Read)) { Nca firmwareContent = new Nca(device.System.KeySet, firmwareStream.AsStorage(), false); IStorage romFsStorage = firmwareContent.OpenSection(0, false, device.System.FsIntegrityCheckLevel, false); if(romFsStorage == null) { return null; } Romfs firmwareRomFs = new Romfs(romFsStorage); IStorage firmwareFile = firmwareRomFs.OpenFile("/file"); byte[] data = new byte[firmwareFile.Length]; firmwareFile.Read(data, 0); return data; } } } }