using System.Text; namespace Ryujinx.HLE.HOS.Services.Sockets.Nsd.Manager { class FqdnResolver { private const string DummyAddress = "unknown.dummy.nintendo.net"; public ResultCode GetEnvironmentIdentifier(out string identifier) { if (IManager.NsdSettings.TestMode) { identifier = "err"; return ResultCode.InvalidSettingsValue; } else { identifier = IManager.NsdSettings.Environment; } return ResultCode.Success; } public static ResultCode Resolve(string address, out string resolvedAddress) { if (address == "api.sect.srv.nintendo.net" || address == "ctest.cdn.nintendo.net" || address == "ctest.cdn.n.nintendoswitch.cn" || address == "unknown.dummy.nintendo.net") { resolvedAddress = address; } else { // TODO: Load Environment from the savedata. address = address.Replace("%", IManager.NsdSettings.Environment); resolvedAddress = ""; if (IManager.NsdSettings == null) { return ResultCode.SettingsNotInitialized; } if (!IManager.NsdSettings.Initialized) { return ResultCode.SettingsNotLoaded; } resolvedAddress = address switch { #pragma warning disable IDE0055 // Disable formatting "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, #pragma warning restore IDE0055 }; } 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(address, out resolvedAddress); if (resultCode != ResultCode.Success) { resolvedAddress = DummyAddress; } if (IManager.NsdSettings.TestMode) { return ResultCode.Success; } else { return resultCode; } } } }