public static byte[] Encode(this DnsMessage message)
{
var m = message.GetType().GetMethod(
"Encode",
BindingFlags.Instance | BindingFlags.NonPublic,
null,
new[] { typeof(bool), typeof(byte[]).MakeByRefType() },
null);
var args = new object[] { false, null };
m.Invoke(message, args);
return(args[1] as byte[]);
}
static void Main()
{
var dnsQMsg = new DnsMessage();
dnsQMsg.Questions.Add(new DnsQuestion(DomainName.Parse("pixiv.net"), RecordType.A, RecordClass.INet));
dnsQMsg.IsEDnsEnabled = true;
dnsQMsg.EDnsOptions.Options.Add(new ClientSubnetOption(24, IPAddress.Parse("0.0.0.0")));
//dnsQMsg.Encode(false, out var bytes);
var args = new object[] { false, null };
var mms = dnsQMsg.GetType().GetMethods(BindingFlags.Instance | BindingFlags.NonPublic);
foreach (var mm in mms)
{
if (mm.ToString() == "Int32 Encode(Boolean, Byte[] ByRef)")
{
mm.Invoke(dnsQMsg, args);
}
}
if ((args[1] as byte[])[2] == 0)
{
(args[1] as byte[])[2] = 1;
}
//var ibyte = MyDnsSend.GetQuestionData(DomainName.Parse("baidu.com").ToString().TrimEnd('.'), RecordType.A);
//Console.WriteLine(ibyte);
var dnsBase64String = Convert.ToBase64String((byte[])args[1]).TrimEnd('=')
.Replace('+', '-').Replace('/', '_');
Console.WriteLine(dnsBase64String);
var dnsMsg =
DnsMessage.Parse(new WebClient().DownloadData("https://doh1.blahdns.com/dns-query?dns=" + dnsBase64String));
Console.WriteLine(dnsMsg.ReturnCode);
foreach (var item in dnsMsg.AnswerRecords)
{
Console.WriteLine(item);
}
Console.ReadKey();
}
public static byte[] Encode(DnsMessage dnsQMsg)
{
dnsQMsg.IsRecursionAllowed = true;
dnsQMsg.IsRecursionDesired = true;
dnsQMsg.TransactionID = Convert.ToUInt16(new Random(DateTime.Now.Millisecond).Next(10));
var args = new object[] { false, null };
if (info == null)
{
foreach (var mInfo in dnsQMsg.GetType().GetMethods(BindingFlags.Instance | BindingFlags.NonPublic))
{
if (mInfo.ToString() == "Int32 Encode(Boolean, Byte[] ByRef)")
{
info = mInfo;
}
}
}
info.Invoke(dnsQMsg, args);
//var dnsBytes = args[1] as byte[];
//if (dnsBytes[2] == 0) dnsBytes[2] = 1;
return(args[1] as byte[]);
}
public static byte[] Encode(DnsMessage dnsQMsg)
{
var args = new object[] { false, null };
if (info == null)
{
foreach (var mInfo in dnsQMsg.GetType().GetMethods(BindingFlags.Instance | BindingFlags.NonPublic))
{
if (mInfo.ToString() == "Int32 Encode(Boolean, Byte[] ByRef)")
{
info = mInfo;
}
}
}
info.Invoke(dnsQMsg, args);
var dnsBytes = args[1] as byte[];
if (dnsBytes[2] == 0)
{
dnsBytes[2] = 1;
}
return(dnsBytes);
}
