/**
* Get all service names of a specific type in a single domain.
* @param type the service type as a string, including transport and subtype (if any).
* @param domainName the domain to browse.
* @param results a collection to put found service names into.
*/
private void getServiceInstances(String type, DomainName domainName, ICollection <ServiceName> results)
{
DomainName typeDN = DomainName.Parse(type);
DomainName typeDomainName = typeDN + domainName;
DnsMessage dnsMessage = DNSClientUtil.GetDefaultClient().Resolve(typeDomainName, RecordType.Ptr);
if ((dnsMessage == null) || dnsMessage.AnswerRecords.Count == 0 || ((dnsMessage.ReturnCode != ReturnCode.NoError) && (dnsMessage.ReturnCode != ReturnCode.NxDomain)))
{
throw new Exception("DNS request failed");
}
else
{
foreach (DnsRecordBase record in dnsMessage.AnswerRecords)
{
PtrRecord ptr = record as PtrRecord;
DomainName name = ptr.PointerDomainName;
try
{
results.Add(ServiceName.fromDnsName(name));
}
catch (ArgumentException e)
{
Log.Error("Invalid service instance " + name + ": " + e.Message, e);
}
}
}
}
/**
* Get the service types from a single domain.
* @param domainName the domain to browse.
* @return a list of service types.
*/
private List <ServiceType> getServiceTypes(DomainName domainName)
{
List <ServiceType> results = new List <ServiceType>();
DnsMessage dnsMessage = DNSClientUtil.GetDefaultClient().Resolve(SERVICES_DNSSD_UDP + domainName, RecordType.Ptr);
if ((dnsMessage == null) || dnsMessage.AnswerRecords.Count == 0 || ((dnsMessage.ReturnCode != ReturnCode.NoError) && (dnsMessage.ReturnCode != ReturnCode.NxDomain)))
{
throw new Exception("DNS request failed");
}
else
{
foreach (DnsRecordBase record in dnsMessage.AnswerRecords)
{
PtrRecord ptr = record as PtrRecord;
DomainName name = ptr.PointerDomainName;
String type = name.Labels[0];
String transport = name.Labels[1];
results.Add(new ServiceType(type, transport));
}
}
return(results);
}
private static void PtrReadDelegate(object sender, RecordReadEventArgs e)
{
PtrRecord ptr = e.Record as PtrRecord;
if (ptr == null)
{
return;
}
Console.WriteLine(e.Record);
}
/// <summary>
/// Tests equality between this PTR record and the other <paramref name="record"/>.
/// </summary>
/// <param name="record">The other record.</param>
/// <returns><c>true</c> if the RRs are equal, <c>false</c> otherwise.</returns>
public override bool Equals(DnsResourceRecord record)
{
if (!base.Equals(record))
{
return false;
}
PtrRecord ptrRecord = record as PtrRecord;
if (ptrRecord == null)
{
return false;
}
return (DnsStandard.Equals(this.m_domain, ptrRecord.m_domain));
}
/// <summary>
/// Resolves and returns an <see cref="System.Net.IPHostEntry"/> for the
/// specified <see cref="System.Net.IPAddress"/>.
/// </summary>
/// <param name="address">The host's IP address.</param>
/// <returns>An <see cref="System.Net.IPHostEntry"/> containing information
/// associated with the host.</returns>
/// <exception cref="System.ArgumentNullException">
/// Thrown when <paramref name="address"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="AK.Net.Dns.DnsTransportException">
/// Thrown when a transport error occurs.
/// </exception>
/// <exception cref="AK.Net.Dns.DnsResolutionException">
/// Thrown when an error occurs during the resolution, such as the query
/// not being answered.
/// </exception>
public virtual IPHostEntry GetHostEntry(IPAddress address)
{
Guard.NotNull(address, "address");
DnsName qname = PtrRecord.MakeName(address);
DnsReply reply = Resolve(new DnsQuestion(qname, DnsQueryType.Ptr, DnsQueryClass.IN));
return(new IPHostEntry()
{
AddressList = new IPAddress[] { address },
Aliases = DnsUtility.EMPTY_STRING_ARRAY,
HostName = (from ptr in reply.Answers
where F.IsPtr(ptr) && ptr.Owner.Equals(qname)
select F.ToPtr(ptr).Domain).FirstOrDefault() ?? null
});
}
} // End Sub Test2
// Get reverse lookup adress for an ip address
public static void Test3()
{
DnsMessage dnsMessage = DnsClient.Default.Resolve(IPAddress.Parse("192.0.2.1").GetReverseLookupDomain(), RecordType.Ptr);
if ((dnsMessage == null) || ((dnsMessage.ReturnCode != ReturnCode.NoError) && (dnsMessage.ReturnCode != ReturnCode.NxDomain)))
{
throw new Exception("DNS request failed");
}
else
{
foreach (DnsRecordBase dnsRecord in dnsMessage.AnswerRecords)
{
PtrRecord ptrRecord = dnsRecord as PtrRecord;
if (ptrRecord != null)
{
Console.WriteLine(ptrRecord.PointerDomainName);
}
}
}
} // End Sub Test3
private void _read()
{
_name = new DomainName(m_io, this, m_root);
_type = ((DnsPacket.RecordType)m_io.ReadU2be());
_answerClass = ((DnsPacket.ClassType)m_io.ReadU2be());
_ttl = m_io.ReadS4be();
_rdlength = m_io.ReadU2be();
switch (Type)
{
case DnsPacket.RecordType.Aaaa: {
_rdata = new AaaaRecord(m_io, this, m_root);
break;
}
case DnsPacket.RecordType.A: {
_rdata = new ARecord(m_io, this, m_root);
break;
}
case DnsPacket.RecordType.Mx: {
_rdata = new MxRecord(m_io, this, m_root);
break;
}
case DnsPacket.RecordType.Cname: {
_rdata = new CnameRecord(m_io, this, m_root);
break;
}
case DnsPacket.RecordType.Ns: {
_rdata = new NsRecord(m_io, this, m_root);
break;
}
case DnsPacket.RecordType.Ptr: {
_rdata = new PtrRecord(m_io, this, m_root);
break;
}
}
}
} // End Sub Test2
// Get reverse lookup adress for an ip address
public static void Test3()
{
ARSoft.Tools.Net.DomainName lookedUpDomainName = ARSoft.Tools.Net.IPAddressExtensions.GetReverseLookupDomain(
System.Net.IPAddress.Parse("192.0.2.1")
);
DnsMessage dnsMessage = DnsClient.Default.Resolve(lookedUpDomainName, RecordType.Ptr);
if ((dnsMessage == null) || ((dnsMessage.ReturnCode != ReturnCode.NoError) && (dnsMessage.ReturnCode != ReturnCode.NxDomain)))
{
throw new System.Exception("DNS request failed");
}
else
{
foreach (DnsRecordBase dnsRecord in dnsMessage.AnswerRecords)
{
PtrRecord ptrRecord = dnsRecord as PtrRecord;
if (ptrRecord != null)
{
System.Console.WriteLine(ptrRecord.PointerDomainName);
}
}
}
} // End Sub Test3
/**
* Get all domains pointed to by the given resource record name,
* looking in a single computer domain.
* @param rrName the DNS resource record name.
* @return a collection of domain names.
*/
private List <String> getDomains(DomainName rrName, DomainName domainName)
{
List <String> results = new List <String>();
DnsMessage dnsMessage = DNSClientUtil.GetDefaultClient().Resolve(rrName + domainName, RecordType.Ptr);
if ((dnsMessage == null) || dnsMessage.AnswerRecords.Count == 0 || ((dnsMessage.ReturnCode != ReturnCode.NoError) && (dnsMessage.ReturnCode != ReturnCode.NxDomain)))
{
throw new Exception("DNS request failed");
}
else
{
foreach (DnsRecordBase record in dnsMessage.AnswerRecords)
{
PtrRecord ptr = record as PtrRecord;
DomainName name = ptr.PointerDomainName;
results.Add(name.ToString());
}
}
return(results);
}
private async void ProcessMessageAsync(UdpReceiveResult udpMessage)
{
await Task.Run(async() =>
{
try
{
DnsMessage message;
DnsQuestion question;
var respondedFromCache = false;
try
{
message = DnsMessage.Parse(udpMessage.Buffer);
question = message.Questions[0];
}
catch (Exception)
{
throw new ParsingException();
}
// Check for authorized subnet access
if (_networkWhitelist != null)
{
if (_networkWhitelist.All(pair =>
!pair.Key.GetNetworkAddress(pair.Value)
.Equals(udpMessage.RemoteEndPoint.Address.GetNetworkAddress(pair.Value))))
{
Logger.Info("-> {0} is not authorized, who requested {1}.",
udpMessage.RemoteEndPoint.Address,
question);
message.ReturnCode = ReturnCode.Refused;
message.IsQuery = false;
}
}
Logger.Info("-> {0} requested {1} (#{2}, {3}).", udpMessage.RemoteEndPoint.Address, question.Name,
message.TransactionID, question.RecordType);
// Query cache
if (Options.CacheResponse)
{
if (Cache.ContainsKey(question.Name) && Cache[question.Name].ContainsKey(question.RecordType))
{
var entry = Cache[question.Name][question.RecordType];
if (!entry.IsExpired)
{
var cachedMessage = entry.Message;
Logger.Info("-> #{0} {2} served from cache.", message.TransactionID,
cachedMessage.TransactionID, question.Name);
cachedMessage.TransactionID = message.TransactionID; // Update transaction ID
cachedMessage.TSigOptions = message.TSigOptions; // Update TSig options
message = cachedMessage;
respondedFromCache = true;
}
}
}
var targetNameServer = Options.DefaultNameServer;
var useHttpQuery = Options.UseHttpQuery;
var queryTimeout = Options.QueryTimeout;
var useCompressionMutation = Options.CompressionMutation;
// Match rules
if (message.IsQuery &&
(question.RecordType == RecordType.A || question.RecordType == RecordType.Aaaa || question.RecordType == RecordType.Ptr))
{
for (var i = Rules.Count - 1; i >= 0; i--)
{
var match = Regex.Match(question.Name, Rules[i].Pattern);
if (!match.Success)
{
continue;
}
// Domain name matched
var recordType = question.RecordType;
if (Rules[i].ForceAAAA != null && Rules[i].ForceAAAA.Value) // RecordType override
{
recordType = RecordType.Aaaa;
}
if (Rules[i].NameServer != null) // Name server override
{
targetNameServer = Rules[i].NameServer;
}
if (Rules[i].UseHttpQuery != null) // HTTP query override
{
useHttpQuery = Rules[i].UseHttpQuery.Value;
}
if (Rules[i].QueryTimeout != null) // Query timeout override
{
queryTimeout = Rules[i].QueryTimeout.Value;
}
if (Rules[i].CompressionMutation != null) // Compression pointer mutation override
{
useCompressionMutation = Rules[i].CompressionMutation.Value;
}
if (Rules[i].Address != null)
{
IPAddress ip;
IPAddress.TryParse(Rules[i].Address, out ip);
if (ip == null) // Invalid IP, may be a domain name
{
var address = string.Format(Rules[i].Address, match.Groups.Cast <object>().ToArray());
if (recordType == RecordType.A && useHttpQuery)
{
await ResolveWithHttp(targetNameServer, address, queryTimeout, message);
}
else if (recordType == RecordType.Ptr)
{
var answerRecord = new PtrRecord(question.Name, 600, Rules[i].Address);
message.AnswerRecords.Add(answerRecord);
message.ReturnCode = ReturnCode.NoError;
message.IsQuery = false;
}
else
{
var serverEndpoint = Utils.CreateIpEndPoint(targetNameServer, 53);
var dnsClient = new DnsClient(serverEndpoint.Address, queryTimeout,
serverEndpoint.Port);
var response =
await
Task <DnsMessage> .Factory.FromAsync(dnsClient.BeginResolve,
dnsClient.EndResolve,
address, recordType, question.RecordClass, null);
if (response == null)
{
Logger.Warning($"Remote resolve failed for {address}.");
return;
}
foreach (var answerRecord in response.AnswerRecords)
{
answerRecord.Name = question.Name;
message.AnswerRecords.Add(answerRecord);
}
message.ReturnCode = response.ReturnCode;
message.IsQuery = false;
}
}
else
{
if (recordType == RecordType.A &&
ip.AddressFamily == AddressFamily.InterNetwork)
{
message.AnswerRecords.Add(new ARecord(question.Name, 600, ip));
}
else if (recordType == RecordType.Aaaa &&
ip.AddressFamily == AddressFamily.InterNetworkV6)
{
message.AnswerRecords.Add(new AaaaRecord(question.Name, 600, ip));
}
else // Type mismatch
{
continue;
}
message.ReturnCode = ReturnCode.NoError;
message.IsQuery = false;
}
}
break;
}
}
// TODO: Consider how to integrate System.Net.Dns with this project.
// Using System.Net.Dns to forward query if compression mutation is disabled
//if (message.IsQuery && !useCompressionMutation &&
// (question.RecordType == RecordType.A || question.RecordType == RecordType.Aaaa))
//{
// var dnsResponse = await Dns.GetHostAddressesAsync(question.Name);
// if (question.RecordType == RecordType.A)
// {
// message.AnswerRecords.AddRange(dnsResponse.Where(
// ip => ip.AddressFamily == AddressFamily.InterNetwork).Select(
// ip => new ARecord(question.Name, 0, ip)));
// else if (question.RecordType == RecordType.Aaaa)
// {
// message.AnswerRecords.AddRange(dnsResponse.Where(
// ip => ip.AddressFamily == AddressFamily.InterNetworkV6).Select(
// ip => new AaaaRecord(question.Name, 0, ip)));
// }
// message.ReturnCode = ReturnCode.NoError;
// message.IsQuery = false;
//}
if (message.IsQuery && question.RecordType == RecordType.A && useHttpQuery)
{
await ResolveWithHttp(targetNameServer, question.Name, queryTimeout, message);
}
if (message.IsQuery)
{
// Use internal forwarder to forward query to another name server
await ForwardMessage(message, udpMessage, Utils.CreateIpEndPoint(targetNameServer, 53),
queryTimeout, useCompressionMutation);
}
else
{
// Already answered, directly return to the client
byte[] responseBuffer;
message.Encode(false, out responseBuffer);
if (responseBuffer != null)
{
await
_udpListener.SendAsync(responseBuffer, responseBuffer.Length, udpMessage.RemoteEndPoint);
// Update cache
if (Options.CacheResponse && !respondedFromCache)
{
Cache.Update(question, message, Options.CacheAge);
}
}
}
}
catch (ParsingException)
{
}
catch (SocketException e)
{
Logger.Error("[Listener.Send] Unexpected socket error:\n{0}", e);
}
catch (Exception e)
{
Logger.Error("[Processor] Unexpected exception:\n{0}", e);
}
});
}
private static (List <dynamic> list, ReturnCode statusCode) ResolveOverHttps(string clientIpAddress, string domainName,
bool proxyEnable = false, IWebProxy wProxy = null, RecordType type = RecordType.A)
{
string dnsStr;
List <dynamic> recordList = new List <dynamic>();
using (MWebClient webClient = new MWebClient())
{
webClient.Headers["User-Agent"] = "AuroraDNSC/0.1";
// webClient.AllowAutoRedirect = false;
if (proxyEnable)
{
webClient.Proxy = wProxy;
}
try
{
dnsStr = webClient.DownloadString(
DnsSettings.HttpsDnsUrl +
@"?ct=application/dns-json&" +
$"name={domainName}&type={type.ToString().ToUpper()}&edns_client_subnet={clientIpAddress}");
}
catch (WebException e)
{
HttpWebResponse response = (HttpWebResponse)e.Response;
try
{
BgwLog($@"| - Catch WebException : {Convert.ToInt32(response.StatusCode)} {response.StatusCode} | {domainName}");
}
catch (Exception exception)
{
BgwLog($@"| - Catch WebException : {exception.Message} | {domainName}");
//MainWindow.NotifyIcon.ShowBalloonTip(360, "AuroraDNS - 错误",
// $"异常 : {exception.Message} {Environment.NewLine} {domainName}", ToolTipIcon.Warning);
}
return(new List <dynamic>(), ReturnCode.ServerFailure);
}
}
JsonValue dnsJsonValue = Json.Parse(dnsStr);
int statusCode = dnsJsonValue.AsObjectGetInt("Status");
if (statusCode != 0)
{
return(new List <dynamic>(), (ReturnCode)statusCode);
}
if (dnsStr.Contains("\"Answer\""))
{
var dnsAnswerJsonList = dnsJsonValue.AsObjectGetArray("Answer");
foreach (var itemJsonValue in dnsAnswerJsonList)
{
string answerAddr = itemJsonValue.AsObjectGetString("data");
string answerDomainName = itemJsonValue.AsObjectGetString("name");
int answerType = itemJsonValue.AsObjectGetInt("type");
int ttl = itemJsonValue.AsObjectGetInt("TTL");
switch (type)
{
case RecordType.A:
{
if (Convert.ToInt32(RecordType.A) == answerType)
{
ARecord aRecord = new ARecord(
DomainName.Parse(answerDomainName), ttl, IPAddress.Parse(answerAddr));
recordList.Add(aRecord);
}
else if (Convert.ToInt32(RecordType.CName) == answerType)
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
//recordList.AddRange(ResolveOverHttps(clientIpAddress,answerAddr));
//return recordList;
}
break;
}
case RecordType.Aaaa:
{
if (Convert.ToInt32(RecordType.Aaaa) == answerType)
{
AaaaRecord aaaaRecord = new AaaaRecord(
DomainName.Parse(answerDomainName), ttl, IPAddress.Parse(answerAddr));
recordList.Add(aaaaRecord);
}
else if (Convert.ToInt32(RecordType.CName) == answerType)
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
}
break;
}
case RecordType.CName when answerType == Convert.ToInt32(RecordType.CName):
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
break;
}
case RecordType.Ns when answerType == Convert.ToInt32(RecordType.Ns):
{
NsRecord nsRecord = new NsRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(nsRecord);
break;
}
case RecordType.Mx when answerType == Convert.ToInt32(RecordType.Mx):
{
MxRecord mxRecord = new MxRecord(
DomainName.Parse(answerDomainName), ttl,
ushort.Parse(answerAddr.Split(' ')[0]),
DomainName.Parse(answerAddr.Split(' ')[1]));
recordList.Add(mxRecord);
break;
}
case RecordType.Txt when answerType == Convert.ToInt32(RecordType.Txt):
{
TxtRecord txtRecord = new TxtRecord(DomainName.Parse(answerDomainName), ttl, answerAddr);
recordList.Add(txtRecord);
break;
}
case RecordType.Ptr when answerType == Convert.ToInt32(RecordType.Ptr):
{
PtrRecord ptrRecord = new PtrRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(ptrRecord);
break;
}
default:
{
statusCode = Convert.ToInt32(ReturnCode.ServerFailure);
break;
}
}
}
}
return(recordList, (ReturnCode)statusCode);
}
internal static RecordSetData DeserializeRecordSetData(JsonElement element)
{
Optional <string> etag = default;
ResourceIdentifier id = default;
string name = default;
ResourceType type = default;
SystemData systemData = default;
Optional <IDictionary <string, string> > metadata = default;
Optional <long> ttl = default;
Optional <string> fqdn = default;
Optional <string> provisioningState = default;
Optional <WritableSubResource> targetResource = default;
Optional <IList <ARecord> > aRecords = default;
Optional <IList <AaaaRecord> > aaaaRecords = default;
Optional <IList <MxRecord> > mxRecords = default;
Optional <IList <NsRecord> > nsRecords = default;
Optional <IList <PtrRecord> > ptrRecords = default;
Optional <IList <SrvRecord> > srvRecords = default;
Optional <IList <TxtRecord> > txtRecords = default;
Optional <CnameRecord> cnameRecord = default;
Optional <SoaRecord> soaRecord = default;
Optional <IList <CaaRecord> > caaRecords = default;
foreach (var property in element.EnumerateObject())
{
if (property.NameEquals("etag"))
{
etag = property.Value.GetString();
continue;
}
if (property.NameEquals("id"))
{
id = new ResourceIdentifier(property.Value.GetString());
continue;
}
if (property.NameEquals("name"))
{
name = property.Value.GetString();
continue;
}
if (property.NameEquals("type"))
{
type = new ResourceType(property.Value.GetString());
continue;
}
if (property.NameEquals("systemData"))
{
systemData = JsonSerializer.Deserialize <SystemData>(property.Value.ToString());
continue;
}
if (property.NameEquals("properties"))
{
if (property.Value.ValueKind == JsonValueKind.Null)
{
property.ThrowNonNullablePropertyIsNull();
continue;
}
foreach (var property0 in property.Value.EnumerateObject())
{
if (property0.NameEquals("metadata"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
Dictionary <string, string> dictionary = new Dictionary <string, string>();
foreach (var property1 in property0.Value.EnumerateObject())
{
dictionary.Add(property1.Name, property1.Value.GetString());
}
metadata = dictionary;
continue;
}
if (property0.NameEquals("TTL"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
ttl = property0.Value.GetInt64();
continue;
}
if (property0.NameEquals("fqdn"))
{
fqdn = property0.Value.GetString();
continue;
}
if (property0.NameEquals("provisioningState"))
{
provisioningState = property0.Value.GetString();
continue;
}
if (property0.NameEquals("targetResource"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
targetResource = JsonSerializer.Deserialize <WritableSubResource>(property0.Value.ToString());
continue;
}
if (property0.NameEquals("ARecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <ARecord> array = new List <ARecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(ARecord.DeserializeARecord(item));
}
aRecords = array;
continue;
}
if (property0.NameEquals("AAAARecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <AaaaRecord> array = new List <AaaaRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(AaaaRecord.DeserializeAaaaRecord(item));
}
aaaaRecords = array;
continue;
}
if (property0.NameEquals("MXRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <MxRecord> array = new List <MxRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(MxRecord.DeserializeMxRecord(item));
}
mxRecords = array;
continue;
}
if (property0.NameEquals("NSRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <NsRecord> array = new List <NsRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(NsRecord.DeserializeNsRecord(item));
}
nsRecords = array;
continue;
}
if (property0.NameEquals("PTRRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <PtrRecord> array = new List <PtrRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(PtrRecord.DeserializePtrRecord(item));
}
ptrRecords = array;
continue;
}
if (property0.NameEquals("SRVRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <SrvRecord> array = new List <SrvRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(SrvRecord.DeserializeSrvRecord(item));
}
srvRecords = array;
continue;
}
if (property0.NameEquals("TXTRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <TxtRecord> array = new List <TxtRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(TxtRecord.DeserializeTxtRecord(item));
}
txtRecords = array;
continue;
}
if (property0.NameEquals("CNAMERecord"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
cnameRecord = CnameRecord.DeserializeCnameRecord(property0.Value);
continue;
}
if (property0.NameEquals("SOARecord"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
soaRecord = SoaRecord.DeserializeSoaRecord(property0.Value);
continue;
}
if (property0.NameEquals("caaRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <CaaRecord> array = new List <CaaRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(CaaRecord.DeserializeCaaRecord(item));
}
caaRecords = array;
continue;
}
}
continue;
}
}
return(new RecordSetData(id, name, type, systemData, etag.Value, Optional.ToDictionary(metadata), Optional.ToNullable(ttl), fqdn.Value, provisioningState.Value, targetResource, Optional.ToList(aRecords), Optional.ToList(aaaaRecords), Optional.ToList(mxRecords), Optional.ToList(nsRecords), Optional.ToList(ptrRecords), Optional.ToList(srvRecords), Optional.ToList(txtRecords), cnameRecord.Value, soaRecord.Value, Optional.ToList(caaRecords)));
}
internal virtual void AssertEquality(PtrRecord expected, PtrRecord actual)
{
Assert.AreEqual(expected.DomainName, actual.DomainName, "Should be equal");
}
public DnsResourceRecord GetRecord(ResourceRecordInfo info)
{
if (info == null)
{
throw new ArgumentNullException(nameof(info));
}
var oldIndex = _reader.Index;
DnsResourceRecord result;
switch (info.RecordType)
{
case ResourceRecordType.A:
result = new ARecord(info, _reader.ReadIPAddress());
break;
case ResourceRecordType.NS:
result = new NsRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.CNAME:
result = new CNameRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.SOA:
result = ResolveSoaRecord(info);
break;
case ResourceRecordType.MB:
result = new MbRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.MG:
result = new MgRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.MR:
result = new MrRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.NULL:
result = new NullRecord(info, _reader.ReadBytes(info.RawDataLength).ToArray());
break;
case ResourceRecordType.WKS:
result = ResolveWksRecord(info);
break;
case ResourceRecordType.PTR:
result = new PtrRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.HINFO:
result = new HInfoRecord(info, _reader.ReadStringWithLengthPrefix(), _reader.ReadStringWithLengthPrefix());
break;
case ResourceRecordType.MINFO:
result = new MInfoRecord(info, _reader.ReadDnsName(), _reader.ReadDnsName());
break;
case ResourceRecordType.MX:
result = ResolveMXRecord(info);
break;
case ResourceRecordType.TXT:
result = ResolveTXTRecord(info);
break;
case ResourceRecordType.RP:
result = new RpRecord(info, _reader.ReadDnsName(), _reader.ReadDnsName());
break;
case ResourceRecordType.AFSDB:
result = new AfsDbRecord(info, (AfsType)_reader.ReadUInt16NetworkOrder(), _reader.ReadDnsName());
break;
case ResourceRecordType.AAAA:
result = new AaaaRecord(info, _reader.ReadIPv6Address());
break;
case ResourceRecordType.SRV:
result = ResolveSrvRecord(info);
break;
case ResourceRecordType.OPT:
result = ResolveOptRecord(info);
break;
case ResourceRecordType.URI:
result = ResolveUriRecord(info);
break;
case ResourceRecordType.CAA:
result = ResolveCaaRecord(info);
break;
case ResourceRecordType.SSHFP:
result = ResolveSshfpRecord(info);
break;
default:
result = new UnknownRecord(info, _reader.ReadBytes(info.RawDataLength).ToArray());
break;
}
// sanity check
_reader.SanitizeResult(oldIndex + info.RawDataLength, info.RawDataLength);
return(result);
}
private static (List <dynamic> list, int statusCode) ResolveOverHttps(string clientIpAddress, string domainName,
bool proxyEnable = false, IWebProxy wProxy = null, RecordType type = RecordType.A)
{
string dnsStr;
List <dynamic> recordList = new List <dynamic>();
using (WebClient webClient = new WebClient())
{
webClient.Headers["User-Agent"] = "AuroraDNSC/0.1";
if (proxyEnable)
{
webClient.Proxy = wProxy;
}
dnsStr = webClient.DownloadString(
ADnsSetting.HttpsDnsUrl +
@"?ct=application/dns-json&" +
$"name={domainName}&type={type.ToString().ToUpper()}&edns_client_subnet={clientIpAddress}");
}
JsonValue dnsJsonValue = Json.Parse(dnsStr);
int statusCode = dnsJsonValue.AsObjectGetInt("Status");
if (statusCode != 0)
{
return(new List <dynamic>(), statusCode);
}
if (dnsStr.Contains("\"Answer\""))
{
var dnsAnswerJsonList = dnsJsonValue.AsObjectGetArray("Answer");
foreach (var itemJsonValue in dnsAnswerJsonList)
{
string answerAddr = itemJsonValue.AsObjectGetString("data");
string answerDomainName = itemJsonValue.AsObjectGetString("name");
int answerType = itemJsonValue.AsObjectGetInt("type");
int ttl = itemJsonValue.AsObjectGetInt("TTL");
if (type == RecordType.A)
{
if (Convert.ToInt32(RecordType.A) == answerType)
{
ARecord aRecord = new ARecord(
DomainName.Parse(answerDomainName), ttl, IPAddress.Parse(answerAddr));
recordList.Add(aRecord);
}
else if (Convert.ToInt32(RecordType.CName) == answerType)
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
//recordList.AddRange(ResolveOverHttps(clientIpAddress,answerAddr));
//return recordList;
}
}
else if (type == RecordType.Aaaa && ADnsSetting.IPv6Enable)
{
if (Convert.ToInt32(RecordType.Aaaa) == answerType)
{
AaaaRecord aaaaRecord = new AaaaRecord(
DomainName.Parse(answerDomainName), ttl, IPAddress.Parse(answerAddr));
recordList.Add(aaaaRecord);
}
else if (Convert.ToInt32(RecordType.CName) == answerType)
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
}
}
else if (type == RecordType.CName && answerType == Convert.ToInt32(RecordType.CName))
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
}
else if (type == RecordType.Ns && answerType == Convert.ToInt32(RecordType.Ns))
{
NsRecord nsRecord = new NsRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(nsRecord);
}
else if (type == RecordType.Mx && answerType == Convert.ToInt32(RecordType.Mx))
{
MxRecord mxRecord = new MxRecord(
DomainName.Parse(answerDomainName), ttl,
ushort.Parse(answerAddr.Split(' ')[0]),
DomainName.Parse(answerAddr.Split(' ')[1]));
recordList.Add(mxRecord);
}
else if (type == RecordType.Txt && answerType == Convert.ToInt32(RecordType.Txt))
{
TxtRecord txtRecord = new TxtRecord(DomainName.Parse(answerDomainName), ttl, answerAddr);
recordList.Add(txtRecord);
}
else if (type == RecordType.Ptr && answerType == Convert.ToInt32(RecordType.Ptr))
{
PtrRecord ptrRecord = new PtrRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(ptrRecord);
}
}
}
return(recordList, statusCode);
}
private void DoQueryCommand(string[] args)
{
DnsName qname;
DnsQueryType ttype;
DnsQueryType qtype = this.DefaultQueryType;
DnsQueryClass tclass;
DnsQueryClass qclass = this.DefaultQueryClass;
string qnameArg = args[args.Length - 1];
IPAddress taddr;
IPEndPoint qserver = null;
for (int i = 0; i < args.Length - 1; ++i)
{
if (args[i][0] == '@')
{
int serverIndex;
string arg = args[i].Substring(1);
if (int.TryParse(arg, out serverIndex))
{
if (serverIndex < 0 || serverIndex > this.Resolver.Servers.Count - 1)
{
WriteUsage("@server: {0} is not a valid forward server index (0-{1})",
arg, this.Resolver.Servers.Count - 1);
return;
}
qserver = this.Resolver.Servers[serverIndex];
}
else if (IPAddress.TryParse(arg, out taddr) || TryGetHostAddress(arg, out taddr))
{
qserver = new IPEndPoint(taddr, DnsTransport.DnsPort);
}
else
{
WriteUsage("@server: '{0}' is not a valid server/ip/index or it could not be resolved", arg);
return;
}
continue;
}
if (TryParseEnum(args[i], out ttype))
{
qtype = ttype;
continue;
}
if (TryParseEnum(args[i], out tclass))
{
qclass = tclass;
continue;
}
WriteUsage("qtype,qclass: '{0}' is not a value qtype or qclass", args[i]);
return;
}
if (qtype == DnsQueryType.Ptr)
{
if (!IPAddress.TryParse(qnameArg, out taddr))
{
WriteUsage("qname: '{0}' is not a valid ip address", qnameArg);
return;
}
qname = PtrRecord.MakeName(taddr);
}
else if (DnsName.TryParse(qnameArg, out qname))
{
if (qname.Kind == DnsNameKind.Relative && this.NameSuffix != null)
{
qname = qname.Concat(this.NameSuffix);
}
}
else
{
WriteUsage("qname: '{0}' is not a valid qname", qnameArg);
return;
}
DoQueryCommand(new DnsQuestion(qname, qtype, qclass), qserver);
}
internal static PtrRecordSetData DeserializePtrRecordSetData(JsonElement element)
{
Optional <string> etag = default;
ResourceIdentifier id = default;
string name = default;
ResourceType type = default;
SystemData systemData = default;
Optional <IDictionary <string, string> > metadata = default;
Optional <long> ttl = default;
Optional <string> fqdn = default;
Optional <string> provisioningState = default;
Optional <WritableSubResource> targetResource = default;
Optional <IList <PtrRecord> > ptrRecords = default;
foreach (var property in element.EnumerateObject())
{
if (property.NameEquals("etag"))
{
etag = property.Value.GetString();
continue;
}
if (property.NameEquals("id"))
{
id = new ResourceIdentifier(property.Value.GetString());
continue;
}
if (property.NameEquals("name"))
{
name = property.Value.GetString();
continue;
}
if (property.NameEquals("type"))
{
type = property.Value.GetString();
continue;
}
if (property.NameEquals("systemData"))
{
systemData = JsonSerializer.Deserialize <SystemData>(property.Value.ToString());
continue;
}
if (property.NameEquals("properties"))
{
if (property.Value.ValueKind == JsonValueKind.Null)
{
property.ThrowNonNullablePropertyIsNull();
continue;
}
foreach (var property0 in property.Value.EnumerateObject())
{
if (property0.NameEquals("metadata"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
Dictionary <string, string> dictionary = new Dictionary <string, string>();
foreach (var property1 in property0.Value.EnumerateObject())
{
dictionary.Add(property1.Name, property1.Value.GetString());
}
metadata = dictionary;
continue;
}
if (property0.NameEquals("TTL"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
ttl = property0.Value.GetInt64();
continue;
}
if (property0.NameEquals("fqdn"))
{
fqdn = property0.Value.GetString();
continue;
}
if (property0.NameEquals("provisioningState"))
{
provisioningState = property0.Value.GetString();
continue;
}
if (property0.NameEquals("targetResource"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
targetResource = JsonSerializer.Deserialize <WritableSubResource>(property0.Value.ToString());
continue;
}
if (property0.NameEquals("PTRRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <PtrRecord> array = new List <PtrRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(PtrRecord.DeserializePtrRecord(item));
}
ptrRecords = array;
continue;
}
}
continue;
}
}
return(new PtrRecordSetData(id, name, type, systemData, etag.Value, Optional.ToDictionary(metadata), Optional.ToNullable(ttl), fqdn.Value, provisioningState.Value, targetResource, Optional.ToList(ptrRecords)));
}
public static (List <DnsRecordBase> list, ReturnCode statusCode) ResolveOverHttpsByDnsJson(string clientIpAddress,
string domainName, string dohUrl,
bool proxyEnable = false, IWebProxy wProxy = null, RecordType type = RecordType.A)
{
string dnsStr;
List <DnsRecordBase> recordList = new List <DnsRecordBase>();
try
{
dnsStr = MyCurl.GetString(dohUrl + @"?ct=application/dns-json&" +
$"name={domainName}&type={type.ToString().ToUpper()}&edns_client_subnet={clientIpAddress}",
DnsSettings.Http2Enable, proxyEnable, wProxy, DnsSettings.AllowAutoRedirect);
}
catch (WebException e)
{
HttpWebResponse response = (HttpWebResponse)e.Response;
try
{
BackgroundLog($@"| - Catch WebException : {Convert.ToInt32(response.StatusCode)} {response.StatusCode} | {e.Status} | {domainName} | {response.ResponseUri}");
if (DnsSettings.HTTPStatusNotify)
{
MainWindow.NotifyIcon.ShowBalloonTip(360, "AuroraDNS - 错误",
$"异常 :{Convert.ToInt32(response.StatusCode)} {response.StatusCode} {Environment.NewLine} {domainName}", ToolTipIcon.Warning);
}
if (response.StatusCode == HttpStatusCode.BadRequest)
{
DnsSettings.DnsMsgEnable = true;
}
}
catch (Exception exception)
{
BackgroundLog($@"| - Catch WebException : {exception.Message} | {e.Status} | {domainName} | {dohUrl}" + @"?ct=application/dns-json&" +
$"name={domainName}&type={type.ToString().ToUpper()}&edns_client_subnet={clientIpAddress}");
if (DnsSettings.HTTPStatusNotify)
{
MainWindow.NotifyIcon.ShowBalloonTip(360, "AuroraDNS - 错误",
$"异常 : {exception.Message} {Environment.NewLine} {domainName}", ToolTipIcon.Warning);
}
}
if (dohUrl != DnsSettings.HttpsDnsUrl)
{
return(new List <DnsRecordBase>(), ReturnCode.ServerFailure);
}
BackgroundLog($@"| -- SecondDoH : {DnsSettings.SecondHttpsDnsUrl}");
return(ResolveOverHttpsByDnsJson(clientIpAddress, domainName, DnsSettings.SecondHttpsDnsUrl,
proxyEnable, wProxy, type));
}
JsonValue dnsJsonValue = Json.Parse(dnsStr);
int statusCode = dnsJsonValue.AsObjectGetInt("Status");
if (statusCode != 0)
{
return(new List <DnsRecordBase>(), (ReturnCode)statusCode);
}
if (dnsStr.Contains("\"Answer\""))
{
var dnsAnswerJsonList = dnsJsonValue.AsObjectGetArray("Answer");
foreach (var itemJsonValue in dnsAnswerJsonList)
{
string answerAddr = itemJsonValue.AsObjectGetString("data");
string answerDomainName = itemJsonValue.AsObjectGetString("name");
int answerType = itemJsonValue.AsObjectGetInt("type");
int ttl = itemJsonValue.AsObjectGetInt("TTL");
switch (type)
{
case RecordType.A when Convert.ToInt32(RecordType.A) == answerType && !DnsSettings.Ipv4Disable:
{
ARecord aRecord = new ARecord(
DomainName.Parse(answerDomainName), ttl, IPAddress.Parse(answerAddr));
recordList.Add(aRecord);
break;
}
case RecordType.A:
{
if (Convert.ToInt32(RecordType.CName) == answerType)
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
//recordList.AddRange(ResolveOverHttps(clientIpAddress,answerAddr));
//return recordList;
}
break;
}
case RecordType.Aaaa when Convert.ToInt32(RecordType.Aaaa) == answerType && !DnsSettings.Ipv6Disable:
{
AaaaRecord aaaaRecord = new AaaaRecord(
DomainName.Parse(answerDomainName), ttl, IPAddress.Parse(answerAddr));
recordList.Add(aaaaRecord);
break;
}
case RecordType.Aaaa:
{
if (Convert.ToInt32(RecordType.CName) == answerType)
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
}
break;
}
case RecordType.CName when answerType == Convert.ToInt32(RecordType.CName):
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
break;
}
case RecordType.Ns when answerType == Convert.ToInt32(RecordType.Ns):
{
NsRecord nsRecord = new NsRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(nsRecord);
break;
}
case RecordType.Mx when answerType == Convert.ToInt32(RecordType.Mx):
{
MxRecord mxRecord = new MxRecord(
DomainName.Parse(answerDomainName), ttl,
ushort.Parse(answerAddr.Split(' ')[0]),
DomainName.Parse(answerAddr.Split(' ')[1]));
recordList.Add(mxRecord);
break;
}
case RecordType.Txt when answerType == Convert.ToInt32(RecordType.Txt):
{
TxtRecord txtRecord = new TxtRecord(DomainName.Parse(answerDomainName), ttl, answerAddr);
recordList.Add(txtRecord);
break;
}
case RecordType.Ptr when answerType == Convert.ToInt32(RecordType.Ptr):
{
PtrRecord ptrRecord = new PtrRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(ptrRecord);
break;
}
default:
statusCode = Convert.ToInt32(ReturnCode.ServerFailure);
break;
}
}
}
return(recordList, (ReturnCode)statusCode);
}
public DnsResourceRecord GetRecord(ResourceRecordInfo info)
{
if (info == null)
{
throw new ArgumentNullException(nameof(info));
}
var oldIndex = _reader.Index;
DnsResourceRecord result;
switch (info.RecordType)
{
case ResourceRecordType.A:
result = new ARecord(info, _reader.ReadIPAddress());
break;
case ResourceRecordType.NS:
result = new NsRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.CNAME:
result = new CNameRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.SOA:
result = ResolveSoaRecord(info);
break;
case ResourceRecordType.MB:
result = new MbRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.MG:
result = new MgRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.MR:
result = new MrRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.NULL:
result = new NullRecord(info, _reader.ReadBytes(info.RawDataLength).ToArray());
break;
case ResourceRecordType.WKS:
result = ResolveWksRecord(info);
break;
case ResourceRecordType.PTR:
result = new PtrRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.HINFO:
result = new HInfoRecord(info, _reader.ReadString(), _reader.ReadString());
break;
case ResourceRecordType.MINFO:
result = new MInfoRecord(info, _reader.ReadDnsName(), _reader.ReadDnsName());
break;
case ResourceRecordType.MX:
result = ResolveMXRecord(info);
break;
case ResourceRecordType.TXT:
result = ResolveTXTRecord(info);
break;
case ResourceRecordType.RP:
result = new RpRecord(info, _reader.ReadDnsName(), _reader.ReadDnsName());
break;
case ResourceRecordType.AFSDB:
result = new AfsDbRecord(info, (AfsType)_reader.ReadUInt16NetworkOrder(), _reader.ReadDnsName());
break;
case ResourceRecordType.AAAA:
result = new AaaaRecord(info, _reader.ReadIPv6Address());
break;
case ResourceRecordType.SRV:
result = ResolveSrvRecord(info);
break;
case ResourceRecordType.OPT:
result = ResolveOptRecord(info);
break;
case ResourceRecordType.URI:
result = ResolveUriRecord(info);
break;
case ResourceRecordType.CAA:
result = ResolveCaaRecord(info);
break;
default:
// update reader index because we don't read full data for the empty record
_reader.Index += info.RawDataLength;
result = new EmptyRecord(info);
break;
}
// sanity check
if (_reader.Index != oldIndex + info.RawDataLength)
{
throw new InvalidOperationException("Record reader index out of sync.");
}
return(result);
}
public override void ExecuteCmdlet()
{
DnsRecordBase result = null;
switch (this.ParameterSetName)
{
case ParameterSetA:
{
result = new ARecord { Ipv4Address = this.Ipv4Address };
break;
}
case ParameterSetAaaa:
{
result = new AaaaRecord { Ipv6Address = this.Ipv6Address };
break;
}
case ParameterSetMx:
{
result = new MxRecord { Preference = this.Preference, Exchange = this.Exchange };
break;
}
case ParameterSetNs:
{
result = new NsRecord { Nsdname = this.Nsdname };
break;
}
case ParameterSetSrv:
{
result = new SrvRecord { Priority = this.Priority, Port = this.Port, Target = this.Target, Weight = this.Weight };
break;
}
case ParameterSetTxt:
{
result = new TxtRecord { Value = this.Value };
break;
}
case ParameterSetCName:
{
result = new CnameRecord { Cname = this.Cname };
break;
}
case ParameterSetPtr:
{
result = new PtrRecord {Ptrdname = this.Ptrdname};
break;
}
default:
{
throw new PSArgumentException(string.Format(ProjectResources.Error_UnknownParameterSetName, this.ParameterSetName));
}
}
WriteObject(result);
}
