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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)
{
long inputPosition = context.Request.SendBuff[0].Position;
long inputSize = context.Request.SendBuff[0].Size;
byte[] addressBuffer = new byte[inputSize];
context.Memory.Read((ulong)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;
}
}
}
}
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