using System.Text; namespace Ryujinx.HLE.HOS.Services.Sockets.Nsd.Manager { class FqdnResolver { private const string _dummyAddress = "unknown.dummy.nintendo.net"; private NsdSettings _nsdSettings; public FqdnResolver(NsdSettings nsdSettings) { _nsdSettings = nsdSettings; } public ResultCode GetSettingName(ServiceCtx context, out string settingName) { if (_nsdSettings.TestMode) { settingName = ""; return ResultCode.NotImplemented; } else { settingName = ""; if (true) // TODO: Determine field (struct + 0x2C) { settingName = _nsdSettings.Environment; return ResultCode.Success; } #pragma warning disable CS0162 return ResultCode.NullOutputObject; #pragma warning restore CS0162 } } public ResultCode GetEnvironmentIdentifier(ServiceCtx context, out string identifier) { if (_nsdSettings.TestMode) { identifier = "rre"; return ResultCode.NotImplemented; } else { identifier = _nsdSettings.Environment; } return ResultCode.Success; } public ResultCode Resolve(ServiceCtx context, string address, out string resolvedAddress) { if (address != "api.sect.srv.nintendo.net" || address != "conntest.nintendowifi.net") { // TODO: Load Environment from the savedata. address = address.Replace("%", _nsdSettings.Environment); resolvedAddress = ""; if (_nsdSettings == null) { return ResultCode.SettingsNotInitialized; } if (!_nsdSettings.Initialized) { return ResultCode.SettingsNotLoaded; } resolvedAddress = address switch { "e97b8a9d672e4ce4845ec6947cd66ef6-sb-api.accounts.nintendo.com" => "e97b8a9d672e4ce4845ec6947cd66ef6-sb.baas.nintendo.com", // dp1 environment "api.accounts.nintendo.com" => "e0d67c509fb203858ebcb2fe3f88c2aa.baas.nintendo.com", // dp1 environment "e97b8a9d672e4ce4845ec6947cd66ef6-sb.accounts.nintendo.com" => "e97b8a9d672e4ce4845ec6947cd66ef6-sb.baas.nintendo.com", // lp1 environment "accounts.nintendo.com" => "e0d67c509fb203858ebcb2fe3f88c2aa.baas.nintendo.com", // lp1 environment /* // TODO: Determine fields of the struct. this + 0xEB8 => this + 0xEB8 + 0x300 this + 0x2BE8 => this + 0x2BE8 + 0x300 */ _ => address, }; } else { resolvedAddress = address; } return ResultCode.Success; } public ResultCode ResolveEx(ServiceCtx context, out ResultCode resultCode, out string resolvedAddress) { ulong inputPosition = context.Request.SendBuff[0].Position; ulong inputSize = context.Request.SendBuff[0].Size; byte[] addressBuffer = new byte[inputSize]; context.Memory.Read(inputPosition, addressBuffer); string address = Encoding.UTF8.GetString(addressBuffer).TrimEnd('\0'); resultCode = Resolve(context, address, out resolvedAddress); if (resultCode != ResultCode.Success) { resolvedAddress = _dummyAddress; } if (_nsdSettings.TestMode) { return ResultCode.Success; } else { return resultCode; } } } }