public void IncludeZone_NoResources()
{
var catalog = new Catalog();
var reader = new PresentationReader(new StringReader(""));
ExceptionAssert.Throws <InvalidDataException>(() => catalog.IncludeZone(reader));
}
public void Include()
{
var dig = @"
; <<>> DiG 9.9.5-3ubuntu0.15-Ubuntu <<>> +dnssec +split=8 +all com DNSKEY
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33952
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 512
;; QUESTION SECTION:
;com. IN DNSKEY
;; ANSWER SECTION:
com. 54254 IN DNSKEY 256 3 8 AQPeabgR 6Fgrk5FS LilDYUed wsHA0HH2 2e8+Zp/u vp4aj1dV DAy5C9bk RA+xot3s G1KaT5hv goE7eNV9 3F7pBW9r vVE3A/BN vJbLXxKh kAJV5KMF C10NRcdb +xF+sM4X TMPESPrY wTLUEpSF ntMIVLAt UzLaBo6Y pTVR20os gGgc3Q== ; ZSK; alg = RSASHA256; key id = 46475
com. 54254 IN DNSKEY 257 3 8 AQPDzldN mMvZFX4N cNJ0uEnK Dg7tmv/F 3MyQR0lp BmVcNcsI szxNFxsB fKNW9JYC Yqpik836 6LE7VbIc NRzfp2h9 OO8HRl+H +E08zauK 8k7evWEm u/6od+2b oggPoiEf GNyvNPaS I7FOIroD snw/tagg zHRX1Z7S OiOiPWPN IwSUyWOZ 79VmcQ1G LkC6NlYv G3HwYmyn Qv6oFwGv /KELSw7Z SdrbTQ0H XvZbqMUI 7BaMskmv gm1G7oKZ 1YiF7O9i oVNc0+7A SbqmZN7Z 98EGU/Qh 2K/BgUe8 Hs0XVcdP KrtyYnoQ Hd2ynKPc MMlTEih2 /2HDHjRP J2aywIpK Nnv4oPo/ ; KSK; alg = RSASHA256; key id = 30909
com. 54254 IN RRSIG DNSKEY 8 1 86400 20180909182533 20180825182033 30909 com. k2uOB+mv 1Fu2Uy+g Y/vF4xQB oyUo8dgg 4d491Z6C Pi551Lh2 /oTWxVQX fWzE8rUk VBCNPkSH sC0BtInK 8iUOqqoE TDDt8wp3 u6zqzc3t 8nXBPIBD G9RIbciY HwxIQWWJ x55J5fcT Hv51nKqK jHCU0Tfr N95Lqg79 qwesU0E3 HP7Lvq9K UppCgnDx nYDxQqz4 Unq3F4Ts 1T+/lwNF xkUs2jY6 EGwIgNjW 0gpAJJJd bsd0pbsi Sn21ydMz pL+gpPru 0zQKHn67 r5kDUMxQ FnRd691C ZLUAWLBK 0NxSfXYS Xj+VjKAa 7WHgvNoU YPDfK216 4XKibHsb +BOAkj2X Aa04XA==
;; Query time: 1 msec
;; SERVER: 172.17.0.1#53(172.17.0.1)
;; WHEN: Mon Sep 03 01:31:04 UTC 2018
;; MSG SIZE rcvd: 743
";
var catalog = new Catalog();
var reader = new PresentationReader(new StringReader(dig));
catalog.Include(reader);
Assert.IsTrue(catalog.ContainsKey("com"));
var node = catalog["COM"];
Assert.AreEqual(3, node.Resources.Count);
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Priority = reader.ReadUInt16();
Weight = reader.ReadUInt16();
Port = reader.ReadUInt16();
Target = reader.ReadDomainName();
}
public void IncludeZone_MissingSOA()
{
var text = "foo.org A 127.0.0.1";
var catalog = new Catalog();
var reader = new PresentationReader(new StringReader(text));
ExceptionAssert.Throws <InvalidDataException>(() => catalog.IncludeZone(reader));
}
public void IncludeZone_InvalidName()
{
// Missing a new line
var text = exampleDotOrgZoneText + " not.in.zone. A 127.0.0.1 ; bad";
var catalog = new Catalog();
var reader = new PresentationReader(new StringReader(text));
ExceptionAssert.Throws <InvalidDataException>(() => catalog.IncludeZone(reader));
}
public void IncludeZone_AlreadyExists()
{
var catalog = new Catalog();
var reader = new PresentationReader(new StringReader(exampleDotComZoneText));
var zone = catalog.IncludeZone(reader);
Assert.AreEqual("example.com", zone.Name);
reader = new PresentationReader(new StringReader(exampleDotComZoneText));
ExceptionAssert.Throws <InvalidDataException>(() => catalog.IncludeZone(reader));
}
/// <summary>
/// Include the resource records.
/// </summary>
/// <param name="reader">
/// The source of the resource records.
/// </param>
/// <param name="authoritative">
/// Indicates if a <see cref="ResourceRecord"/> is authoritative or cached.
/// Only used when a <see cref="Node"/> is created.
/// </param>
public void Include(PresentationReader reader, bool authoritative = false)
{
while (true)
{
var r = reader.ReadResourceRecord();
if (r == null)
{
break;
}
Add(r, authoritative);
}
}
/// <summary>
/// Include the zone information.
/// </summary>
/// <param name="reader">
/// The source of the zone information.
/// </param>
/// <returns>
/// The <see cref="Node"/> that represents the zone.
/// </returns>
/// <remarks>
/// All included nodes are marked as <see cref="Node.Authoritative"/>.
/// </remarks>
public Node IncludeZone(PresentationReader reader)
{
// Read the resources.
var resources = new List <ResourceRecord>();
while (true)
{
var r = reader.ReadResourceRecord();
if (r == null)
{
break;
}
resources.Add(r);
}
// Validation
if (resources.Count == 0)
{
throw new InvalidDataException("No resources.");
}
if (resources[0].Type != DnsType.SOA)
{
throw new InvalidDataException("First resource record must be a SOA.");
}
var soa = (SOARecord)resources[0];
if (resources.Any(r => !r.Name.BelongsTo(soa.Name)))
{
throw new InvalidDataException("All resource records must belong to the zone.");
}
// Insert the nodes of the zone.
var nodes = resources.GroupBy(
r => r.Name,
(key, results) => new Node
{
Name = key,
Authoritative = true,
Resources = new ConcurrentSet <ResourceRecord>(results)
}
);
foreach (var node in nodes)
{
if (!TryAdd(node.Name, node))
{
throw new InvalidDataException($"'{node.Name}' already exists.");
}
}
return(this[soa.Name]);
}
public void MultipleZones()
{
var catalog = new Catalog();
var reader = new PresentationReader(new StringReader(exampleDotComZoneText));
var zone = catalog.IncludeZone(reader);
Assert.AreEqual("example.com", zone.Name);
reader = new PresentationReader(new StringReader(exampleDotOrgZoneText));
zone = catalog.IncludeZone(reader);
Assert.AreEqual("example.org", zone.Name);
}
public void IncludeZone()
{
var catalog = new Catalog();
var reader = new PresentationReader(new StringReader(examplZoneText));
var zone = catalog.IncludeZone(reader);
Assert.AreEqual("example", zone.Name);
Assert.IsTrue(zone.Authoritative);
Assert.IsTrue(catalog.ContainsKey("example"));
Assert.IsTrue(catalog.ContainsKey("ns1.example"));
Assert.IsTrue(catalog.ContainsKey("xx.example"));
}
public void IncludeReverseLookupRecords()
{
var catalog = new Catalog();
var reader = new PresentationReader(new StringReader(exampleDotComZoneText));
var zone = catalog.IncludeZone(reader);
catalog.IncludeReverseLookupRecords();
Assert.IsTrue(catalog.ContainsKey("1.2.0.192.in-addr.arpa"));
Assert.IsTrue(catalog.ContainsKey("2.2.0.192.in-addr.arpa"));
Assert.IsTrue(catalog.ContainsKey("3.2.0.192.in-addr.arpa"));
Assert.IsTrue(catalog["1.2.0.192.in-addr.arpa"].Authoritative);
}
public void NamesAreCaseInsenstive()
{
var catalog = new Catalog();
var reader = new PresentationReader(new StringReader(exampleDotComZoneText));
catalog.IncludeZone(reader);
Assert.IsTrue(catalog.ContainsKey("EXAMPLE.COM"));
Assert.IsTrue(catalog.ContainsKey("NS.EXAMPLE.COM"));
Assert.IsTrue(catalog.ContainsKey("WWW.EXAMPLE.COM"));
Assert.IsTrue(catalog.ContainsKey("WWWTEST.EXAMPLE.COM"));
Assert.IsTrue(catalog.ContainsKey("MAIL.EXAMPLE.COM"));
Assert.IsTrue(catalog.ContainsKey("MAIL2.EXAMPLE.COM"));
Assert.IsTrue(catalog.ContainsKey("MAIL3.EXAMPLE.COM"));
}
/// <summary>
/// Include the root name servers.
/// </summary>
/// <returns>
/// The <see cref="Node"/> that represents the "root".
/// </returns>
/// <remarks>
/// A DNS recursive resolver typically needs a "root hints file". This file
/// contains the names and IP addresses of the authoritative name servers for the root zone,
/// so the software can bootstrap the DNS resolution process.
/// </remarks>
public Node IncludeRootHints()
{
var assembly = typeof(Catalog).GetTypeInfo().Assembly;
using (var hints = assembly.GetManifestResourceStream("Makaretu.Dns.Resolving.RootHints"))
{
var reader = new PresentationReader(new StreamReader(hints));
ResourceRecord r;
while (null != (r = reader.ReadResourceRecord()))
{
Add(r);
}
}
var root = this[new DomainName("")];
root.Authoritative = true;
return(root);
}
public void IncludeZone()
{
var catalog = new Catalog();
var reader = new PresentationReader(new StringReader(exampleDotComZoneText));
var zone = catalog.IncludeZone(reader);
Assert.AreEqual("example.com", zone.Name);
Assert.IsTrue(zone.Authoritative);
Assert.IsTrue(catalog.ContainsKey("example.com"));
Assert.IsTrue(catalog.ContainsKey("ns.example.com"));
Assert.IsTrue(catalog.ContainsKey("www.example.com"));
Assert.IsTrue(catalog.ContainsKey("wwwtest.example.com"));
Assert.IsTrue(catalog.ContainsKey("mail.example.com"));
Assert.IsTrue(catalog.ContainsKey("mail2.example.com"));
Assert.IsTrue(catalog.ContainsKey("mail3.example.com"));
Assert.IsTrue(catalog["mail.example.com"].Authoritative);
}
public void Deserialize()
{
if (File.Exists("settings.txt"))
{
var stream = new FileStream("settings.txt", FileMode.Open);
var sr = new StreamReader(stream);
var reader = new PresentationReader(sr);
var res = new ResourceRecord();
while (res != null)
{
res = reader.ReadResourceRecord();
if (res != null)
{
AddRecord(res);
}
}
sr.Close();
}
}
public void RemoveZone()
{
var catalog = new Catalog();
var reader = new PresentationReader(new StringReader(exampleDotComZoneText));
var zone = catalog.IncludeZone(reader);
Assert.AreEqual("example.com", zone.Name);
Assert.AreEqual(7, catalog.Count);
reader = new PresentationReader(new StringReader(exampleDotOrgZoneText));
zone = catalog.IncludeZone(reader);
Assert.AreEqual("example.org", zone.Name);
Assert.AreEqual(7 + 7, catalog.Count);
catalog.RemoveZone("example.org");
Assert.AreEqual(7, catalog.Count);
catalog.RemoveZone("example.com");
Assert.AreEqual(0, catalog.Count);
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Subtype = reader.ReadUInt16();
Target = reader.ReadDomainName();
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Data = reader.ReadResourceData();
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Mailbox = reader.ReadDomainName();
TextName = reader.ReadDomainName();
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Cpu = reader.ReadString();
OS = reader.ReadString();
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Authority = reader.ReadDomainName();
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Target = reader.ReadDomainName();
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Preference = reader.ReadUInt16();
Exchange = reader.ReadDomainName();
}