static void Main(string[] args)
{
using (var dnsServer = new DnsServer(IPAddress.Any, 10, 10))
{
DNSEncoder.Init();
var client = new QuicClient();
var connection = client.Connect("127.0.0.1", 11000);
var stream = connection.CreateStream(QuickNet.Utilities.StreamType.ClientBidirectional);
async Task OnDnsServerOnQueryReceived(object sender, QueryReceivedEventArgs e)
{
if (!(e.Query is DnsMessage query))
{
return;
}
await Task.Run(() =>
{
stream.Send(DNSEncoder.Encode(query));
e.Response = DnsMessage.Parse(stream.Receive());
});
}
dnsServer.QueryReceived += OnDnsServerOnQueryReceived;
dnsServer.Start();
Console.WriteLine(@"-------ARASHI Q DNS------");
Console.WriteLine(@"-------DOTNET ALPHA------");
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine(@"ArashiDNS Server Running");
Console.WriteLine(@"Press any key to stop dns server");
Console.WriteLine("------------------------");
Console.ReadLine();
Console.WriteLine("------------------------");
}
}
static void Main(string[] args)
{
DNSEncoder.Init();
var server = new WebSocketServer("ws://0.0.0.0:3030");
server.ListenerSocket.NoDelay = true;
server.Start(ws =>
{
ws.OnOpen = () => Console.WriteLine(ws.ConnectionInfo.ClientIpAddress + ":Open!");
ws.OnClose = () => Console.WriteLine(ws.ConnectionInfo.ClientIpAddress + ":Close!");
ws.OnBinary = msg =>
{
using (var bgWorker = new BackgroundWorker())
{
bgWorker.DoWork += (sender, eventArgs) =>
{
var dnsQMsg = DnsMessage.Parse(msg);
var dnsRMsg =
new DnsClient(IPAddress.Parse("8.8.8.8"), 1000).SendMessage(dnsQMsg);
ws.Send(DNSEncoder.Encode(dnsRMsg));
Console.ForegroundColor = ConsoleColor.Cyan;
dnsQMsg.Questions.ForEach(o => Console.WriteLine("Qu:" + o));
Console.ForegroundColor = ConsoleColor.Green;
dnsRMsg.AnswerRecords.ForEach(o => Console.WriteLine("An:" + o));
Console.ForegroundColor = ConsoleColor.DarkGreen;
dnsRMsg.AuthorityRecords.ForEach(o => Console.WriteLine("Au:" + o));
Console.ForegroundColor = ConsoleColor.Green;
};
bgWorker.RunWorkerAsync();
}
};
});
Console.ReadLine();
}
public static (List <DnsRecordBase> list, ReturnCode statusCode) ResolveOverHttpsByDnsMsg(string clientIpAddress, string domainName, string dohUrl,
bool proxyEnable = false, IWebProxy wProxy = null, RecordType type = RecordType.A)
{
DnsMessage dnsMsg;
DnsMessage dnsQMsg = new DnsMessage();
dnsQMsg.Questions.Add(new DnsQuestion(DomainName.Parse(domainName), type, RecordClass.INet));
dnsQMsg.IsEDnsEnabled = true;
dnsQMsg.IsQuery = true;
dnsQMsg.EDnsOptions.Options.Add(new ClientSubnetOption(24, IPAddress.Parse(clientIpAddress)));
var dnsBase64String = Convert.ToBase64String(DNSEncoder.Encode(dnsQMsg)).TrimEnd('=')
.Replace('+', '-').Replace('/', '_');
try
{
var dnsDataBytes = MyCurl.GetData(
$"{dohUrl}?ct=application/dns-message&dns={dnsBase64String}",
DnsSettings.Http2Enable, proxyEnable, wProxy, DnsSettings.AllowAutoRedirect);
dnsMsg = DnsMessage.Parse(dnsDataBytes);
if (DnsSettings.Ipv4Disable || DnsSettings.Ipv6Disable)
{
foreach (var item in dnsMsg.AnswerRecords.ToArray())
{
if (item.RecordType == RecordType.A && DnsSettings.Ipv4Disable)
{
dnsMsg.AnswerRecords.Remove(item);
}
if (item.RecordType == RecordType.Aaaa && DnsSettings.Ipv6Disable)
{
dnsMsg.AnswerRecords.Remove(item);
}
}
}
}
catch (WebException e)
{
HttpWebResponse response = (HttpWebResponse)e.Response;
try
{
BackgroundLog(
$@"| - Catch WebException : {Convert.ToInt32(response.StatusCode)} {response.StatusCode} | {e.Status} | {domainName} | {response.ResponseUri} | {dnsBase64String}");
if (response.StatusCode == HttpStatusCode.BadRequest)
{
DnsSettings.DnsMsgEnable = false;
}
}
catch (Exception exception)
{
BackgroundLog(
$@"| - Catch WebException : {exception.Message} | {e.Status} | {domainName} | {dohUrl} | {dnsBase64String}");
}
if (dohUrl != DnsSettings.HttpsDnsUrl)
{
return(new List <DnsRecordBase>(), ReturnCode.ServerFailure);
}
BackgroundLog($@"| -- SecondDoH : {DnsSettings.SecondHttpsDnsUrl}");
return(ResolveOverHttpsByDnsMsg(clientIpAddress, domainName, DnsSettings.SecondHttpsDnsUrl,
proxyEnable, wProxy, type));
}
return(dnsMsg.AnswerRecords, dnsMsg.ReturnCode);
}