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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<int, ServiceProcessRequest> _commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
public ISystemSettingsServer()
{
_commands = new Dictionary<int, ServiceProcessRequest>
{
{ 3, GetFirmwareVersion },
{ 4, GetFirmwareVersion2 },
{ 23, GetColorSetId },
{ 24, SetColorSetId },
{ 38, GetSettingsItemValue }
};
}
// 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)
{
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<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)
{
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;
}
}
}
}
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