Ryujinx/Ryujinx.HLE/HOS/Services/Set/ISystemSettingsServer.cs

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using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.SystemState;
using System;
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using System.Collections.Generic;
using System.IO;
using System.Text;
using LibHac;
using Ryujinx.HLE.FileSystem;
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namespace Ryujinx.HLE.HOS.Services.Set
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{
class ISystemSettingsServer : IpcService
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{
private Dictionary<int, ServiceProcessRequest> m_Commands;
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public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
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public ISystemSettingsServer()
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{
m_Commands = new Dictionary<int, ServiceProcessRequest>()
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{
{ 3, GetFirmwareVersion },
{ 4, GetFirmwareVersion2 },
{ 23, GetColorSetId },
{ 24, SetColorSetId },
{ 38, GetSettingsItemValue }
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};
}
// GetFirmwareVersion() -> buffer<nn::settings::system::FirmwareVersion, 0x1a, 0x100>
public static long GetFirmwareVersion(ServiceCtx Context)
{
return GetFirmwareVersion2(Context);
}
// GetFirmwareVersion2() -> buffer<nn::settings::system::FirmwareVersion, 0x1a, 0x100>
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)
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{
Context.ResponseData.Write((int)Context.Device.System.State.ThemeColor);
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return 0;
}
// GetColorSetId() -> i32
public static long SetColorSetId(ServiceCtx Context)
{
int ColorSetId = Context.RequestData.ReadInt32();
Context.Device.System.State.ThemeColor = (ColorSet)ColorSetId;
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return 0;
}
// GetSettingsItemValue(buffer<nn::settings::SettingsName, 0x19, 0x48>, buffer<nn::settings::SettingsItemKey, 0x19, 0x48>) -> (u64, buffer<unknown, 6, 0>)
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)
{
byte[] Data = null;
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);
FileStream FirmwareStream = File.Open(FirmwareTitlePath, FileMode.Open, FileAccess.Read);
Nca FirmwareContent = new Nca(Device.System.KeySet, FirmwareStream, false);
Stream RomFsStream = FirmwareContent.OpenSection(0, false, Device.System.FsIntegrityCheckLevel);
if(RomFsStream == null)
{
return null;
}
Romfs FirmwareRomFs = new Romfs(RomFsStream);
using(MemoryStream MemoryStream = new MemoryStream())
{
using (Stream FirmwareFile = FirmwareRomFs.OpenFile("/file"))
{
FirmwareFile.CopyTo(MemoryStream);
}
Data = MemoryStream.ToArray();
}
FirmwareContent.Dispose();
FirmwareStream.Dispose();
return Data;
}
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}
}