public static DnsDatagram ReadFromJson(dynamic jsonResponse)
{
var data = new DnsDatagram
{
QR = 1, //Is Response
OPCODE = 0, //StandardQuery
TC = (byte)(jsonResponse.TC.Value ? 1 : 0),
RD = (byte)(jsonResponse.RD.Value ? 1 : 0),
RA = (byte)(jsonResponse.RA.Value ? 1 : 0),
AD = (byte)(jsonResponse.AD.Value ? 1 : 0),
CD = (byte)(jsonResponse.CD.Value ? 1 : 0),
RCODE = (byte)jsonResponse.Status
};
if (jsonResponse.Question == null)
{
data.Question = Array.Empty <DnsRecords.QuestionItem>();
}
else
{
var question = new List <DnsRecords.QuestionItem>(Convert.ToUInt16(jsonResponse.Question.Count));
data.Question = question;
foreach (var jsonQuestionRecord in jsonResponse.Question)
{
question.Add(new DnsRecords.QuestionItem(jsonQuestionRecord));
}
}
if (jsonResponse.Answer == null)
{
data.Answer = Array.Empty <DnsRecords.RecordItem>();
}
else
{
var answer = new List <DnsRecords.RecordItem>(Convert.ToUInt16(jsonResponse.Answer.Count));
data.Answer = answer;
foreach (var jsonAnswerRecord in jsonResponse.Answer)
{
answer.Add(new DnsRecords.RecordItem(jsonAnswerRecord));
}
}
if (jsonResponse.Authority == null)
{
data.Authority = Array.Empty <DnsRecords.RecordItem>();
}
else
{
var authority = new List <DnsRecords.RecordItem>(Convert.ToUInt16(jsonResponse.Authority.Count));
data.Authority = authority;
foreach (var jsonAuthorityRecord in jsonResponse.Authority)
{
authority.Add(new DnsRecords.RecordItem(jsonAuthorityRecord));
}
}
if (jsonResponse.Additional == null)
{
data.Additional = Array.Empty <DnsRecords.RecordItem>();
}
else
{
var additional = new List <DnsRecords.RecordItem>(Convert.ToUInt16(jsonResponse.Additional.Count));
data.Additional = additional;
foreach (var jsonAdditionalRecord in jsonResponse.Additional)
{
additional.Add(new DnsRecords.RecordItem(jsonAdditionalRecord));
}
}
return(data);
}
public static DnsDatagram ReadFromDnsMessage(DnsMessage dnsResponse)
{
dnsResponse.IsEDnsEnabled = false;
dnsResponse.EDnsOptions = null;
dnsResponse.TSigOptions = null;
var data = new DnsDatagram
{
QR = 1,
OPCODE = 0,
TC = (byte)(dnsResponse.IsTruncated ? 1 : 0),
RD = (byte)(dnsResponse.IsRecursionDesired ? 1 : 0),
RA = (byte)(dnsResponse.IsRecursionAllowed ? 1 : 0),
AD = (byte)(dnsResponse.IsAuthenticData ? 1 : 0),
CD = (byte)(dnsResponse.IsCheckingDisabled ? 1 : 0),
RCODE = (byte)dnsResponse.ReturnCode
};
if (dnsResponse.Questions == null)
{
data.Question = Array.Empty <DnsRecords.QuestionItem>();
}
else
{
var question = new List <DnsRecords.QuestionItem>(Convert.ToUInt16(dnsResponse.Questions.Count));
data.Question = question;
question.AddRange(from dynamic jsonQuestionRecord in dnsResponse.Questions
select new DnsRecords.QuestionItem(jsonQuestionRecord));
}
if (dnsResponse.AnswerRecords == null)
{
data.Answer = Array.Empty <DnsRecords.RecordItem>();
}
else
{
var answer = new List <DnsRecords.RecordItem>(Convert.ToUInt16(dnsResponse.AnswerRecords.Count));
data.Answer = answer;
answer.AddRange(from jsonAnswerRecord in dnsResponse.AnswerRecords
where !jsonAnswerRecord.Name.IsSubDomainOf(DomainName.Parse("arashi-msg")) &&
!jsonAnswerRecord.Name.IsSubDomainOf(DomainName.Parse("nova-msg")) ||
jsonAnswerRecord.RecordType != RecordType.Txt
select new DnsRecords.RecordItem(jsonAnswerRecord));
}
if (dnsResponse.AuthorityRecords == null)
{
data.Authority = Array.Empty <DnsRecords.RecordItem>();
}
else
{
var authority = new List <DnsRecords.RecordItem>(Convert.ToUInt16(dnsResponse.AuthorityRecords.Count));
data.Authority = authority;
authority.AddRange(dnsResponse.AuthorityRecords.Select(jsonAuthorityRecord =>
new DnsRecords.RecordItem(jsonAuthorityRecord)));
}
if (dnsResponse.AdditionalRecords == null)
{
data.Additional = Array.Empty <DnsRecords.RecordItem>();
}
else
{
var additional = new List <DnsRecords.RecordItem>(Convert.ToUInt16(dnsResponse.AdditionalRecords.Count));
data.Additional = additional;
additional.AddRange(dnsResponse.AdditionalRecords.Select(jsonAdditionalRecord =>
new DnsRecords.RecordItem(jsonAdditionalRecord)));
}
return(data);
}
