public void ReadResourceWithPreviousEscapedDomain()
{
var text = @"
emanon\126.org A 127.0.0.1
AAAA ::1
";
var reader = new PresentationReader(new StringReader(text));
var a = reader.ReadResourceRecord();
Assert.AreEqual("emanon~.org", a.Name);
Assert.AreEqual(DnsClass.IN, a.Class);
Assert.AreEqual(DnsType.A, a.Type);
Assert.AreEqual(ResourceRecord.DefaultTTL, a.TTL);
Assert.IsInstanceOfType(a, typeof(ARecord));
Assert.AreEqual(2, a.Name.Labels.Count);
var aaaa = reader.ReadResourceRecord();
Assert.AreEqual("emanon~.org", aaaa.Name);
Assert.AreEqual(DnsClass.IN, aaaa.Class);
Assert.AreEqual(DnsType.AAAA, aaaa.Type);
Assert.AreEqual(ResourceRecord.DefaultTTL, aaaa.TTL);
Assert.IsInstanceOfType(aaaa, typeof(AAAARecord));
Assert.AreEqual(2, a.Name.Labels.Count);
}
public void ReadEscapedStrings()
{
var reader = new PresentationReader(new StringReader(" alpha\\ beta omega"));
Assert.AreEqual("alpha beta", reader.ReadString());
Assert.AreEqual("omega", reader.ReadString());
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Priority = reader.ReadUInt16();
Weight = reader.ReadUInt16();
Port = reader.ReadUInt16();
Target = reader.ReadDomainName();
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Flags = (DNSKEYFlags)reader.ReadUInt16();
Protocol = reader.ReadByte();
Algorithm = (SecurityAlgorithm)reader.ReadByte();
PublicKey = reader.ReadBase64String();
}
public void ReadQuotedStrings()
{
var reader = new PresentationReader(new StringReader(" \"a b c\" \"x y z\""));
Assert.AreEqual("a b c", reader.ReadString());
Assert.AreEqual("x y z", reader.ReadString());
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
while (!reader.IsEndOfLine())
{
Strings.Add(reader.ReadString());
}
}
public void ReadType()
{
var reader = new PresentationReader(new StringReader("A TYPE1 MX"));
Assert.AreEqual(DnsType.A, reader.ReadDnsType());
Assert.AreEqual(DnsType.A, reader.ReadDnsType());
Assert.AreEqual(DnsType.MX, reader.ReadDnsType());
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
NextOwnerName = reader.ReadDomainName();
while (!reader.IsEndOfLine())
{
Types.Add(reader.ReadDnsType());
}
}
public void ReadDateTime()
{
DateTime expected = new DateTime(2004, 9, 16);
var reader = new PresentationReader(new StringReader("1095292800 20040916000000"));
Assert.AreEqual(expected, reader.ReadDateTime());
Assert.AreEqual(expected, reader.ReadDateTime());
}
public void ReadDomainName_Escaped()
{
var foo = new DomainName("foo.com");
var drSmith = new DomainName(@"dr\. smith.com");
var reader = new PresentationReader(new StringReader(@"dr\.\032smith.com foo.com"));
Assert.AreEqual(drSmith, reader.ReadDomainName());
Assert.AreEqual(foo, reader.ReadDomainName());
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Algorithm = reader.ReadDomainName();
TimeSigned = reader.ReadDateTime();
Fudge = reader.ReadTimeSpan16();
MAC = Convert.FromBase64String(reader.ReadString());
OriginalMessageId = reader.ReadUInt16();
Error = (MessageStatus)reader.ReadUInt16();
OtherData = Convert.FromBase64String(reader.ReadString());
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Algorithm = reader.ReadDomainName();
Inception = reader.ReadDateTime();
Expiration = reader.ReadDateTime();
Mode = (KeyExchangeMode)reader.ReadUInt16();
Error = (MessageStatus)reader.ReadUInt16();
Key = Convert.FromBase64String(reader.ReadString());
OtherData = Convert.FromBase64String(reader.ReadString());
}
public void ReadResourceWithUnknownType()
{
var reader = new PresentationReader(new StringReader("me CH TYPE1234 \\# 0"));
var resource = reader.ReadResourceRecord();
Assert.AreEqual("me", resource.Name);
Assert.AreEqual(DnsClass.CH, resource.Class);
Assert.AreEqual(1234, (int)resource.Type);
Assert.IsInstanceOfType(resource, typeof(UnknownRecord));
}
public void ReadResourceWithUnknownClass()
{
var reader = new PresentationReader(new StringReader("me CLASS1234 A 127.0.0.1"));
var resource = reader.ReadResourceRecord();
Assert.AreEqual("me", resource.Name);
Assert.AreEqual(1234, (int)resource.Class);
Assert.AreEqual(DnsType.A, resource.Type);
Assert.IsInstanceOfType(resource, typeof(ARecord));
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
PrimaryName = reader.ReadDomainName();
Mailbox = reader.ReadDomainName();
SerialNumber = reader.ReadUInt32();
Refresh = reader.ReadTimeSpan32();
Retry = reader.ReadTimeSpan32();
Expire = reader.ReadTimeSpan32();
Minimum = reader.ReadTimeSpan32();
}
public void ReadResourceWithClassAndTTL()
{
var reader = new PresentationReader(new StringReader("me CH 63 A 127.0.0.1"));
var resource = reader.ReadResourceRecord();
Assert.AreEqual("me", resource.Name);
Assert.AreEqual(DnsClass.CH, resource.Class);
Assert.AreEqual(DnsType.A, resource.Type);
Assert.AreEqual(TimeSpan.FromSeconds(63), resource.TTL);
Assert.IsInstanceOfType(resource, typeof(ARecord));
}
public void ReadResourceWithNameOfClass()
{
var reader = new PresentationReader(new StringReader("CH A 127.0.0.1"));
var resource = reader.ReadResourceRecord();
Assert.AreEqual("CH", resource.Name);
Assert.AreEqual(DnsClass.IN, resource.Class);
Assert.AreEqual(DnsType.A, resource.Type);
Assert.AreEqual(ResourceRecord.DefaultTTL, resource.TTL);
Assert.IsInstanceOfType(resource, typeof(ARecord));
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
TypeCovered = reader.ReadDnsType();
Algorithm = (SecurityAlgorithm)reader.ReadByte();
Labels = reader.ReadByte();
OriginalTTL = reader.ReadTimeSpan32();
SignatureExpiration = reader.ReadDateTime();
SignatureInception = reader.ReadDateTime();
KeyTag = reader.ReadUInt16();
SignerName = reader.ReadDomainName();
Signature = reader.ReadBase64String();
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
HashAlgorithm = (DigestType)reader.ReadByte();
Flags = reader.ReadByte();
Iterations = reader.ReadUInt16();
var salt = reader.ReadString();
if (salt != "-")
{
Salt = Base16.Decode(salt);
}
}
public void ReadMultipleStrings_CRLF()
{
var expected = new List <string> {
"abc", "def"
};
var reader = new PresentationReader(new StringReader("abc def\r\nghi"));
var actual = new List <string>();
while (!reader.IsEndOfLine())
{
actual.Add(reader.ReadString());
}
CollectionAssert.AreEqual(expected, actual);
}
public void ReadBase64String()
{
var expected = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
var reader = new PresentationReader(new StringReader("AAECAwQFBgcICQoLDA0ODw=="));
CollectionAssert.AreEqual(expected, reader.ReadBase64String());
reader = new PresentationReader(new StringReader("AAECAwQFBg cICQoLDA0ODw=="));
CollectionAssert.AreEqual(expected, reader.ReadBase64String());
reader = new PresentationReader(new StringReader("AAECAwQFBg (\r\n cICQo\r\n LDA0ODw\r\n== )"));
CollectionAssert.AreEqual(expected, reader.ReadBase64String());
}
public void ReadResourceWithOrigin()
{
var text = @"
$ORIGIN emanon.org. ; no such place\r\n
@ PTR localhost
";
var reader = new PresentationReader(new StringReader(text));
var resource = reader.ReadResourceRecord();
Assert.AreEqual("emanon.org", resource.Name);
Assert.AreEqual(DnsClass.IN, resource.Class);
Assert.AreEqual(DnsType.PTR, resource.Type);
Assert.AreEqual(ResourceRecord.DefaultTTL, resource.TTL);
Assert.IsInstanceOfType(resource, typeof(PTRRecord));
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
KeyTag = reader.ReadUInt16();
Algorithm = (SecurityAlgorithm)reader.ReadByte();
HashAlgorithm = (DigestType)reader.ReadByte();
// Whitespace is allowed within the hexadecimal text.
var sb = new StringBuilder();
while (!reader.IsEndOfLine())
{
sb.Append(reader.ReadString());
}
Digest = Base16.Decode(sb.ToString());
}
public void ReadResourceWithTTL()
{
var text = @"
$TTL 120 ; 2 minutes\r\n
emanon.org PTR localhost
";
var reader = new PresentationReader(new StringReader(text));
var resource = reader.ReadResourceRecord();
Assert.AreEqual("emanon.org", resource.Name);
Assert.AreEqual(DnsClass.IN, resource.Class);
Assert.AreEqual(DnsType.PTR, resource.Type);
Assert.AreEqual(TimeSpan.FromMinutes(2), resource.TTL);
Assert.IsInstanceOfType(resource, typeof(PTRRecord));
}
public void ReadResourceData()
{
var reader = new PresentationReader(new StringReader("\\# 0"));
var rdata = reader.ReadResourceData();
Assert.AreEqual(0, rdata.Length);
reader = new PresentationReader(new StringReader("\\# 3 abcdef"));
rdata = reader.ReadResourceData();
CollectionAssert.AreEqual(new byte[] { 0xab, 0xcd, 0xef }, rdata);
reader = new PresentationReader(new StringReader("\\# 3 ab cd ef"));
rdata = reader.ReadResourceData();
CollectionAssert.AreEqual(new byte[] { 0xab, 0xcd, 0xef }, rdata);
reader = new PresentationReader(new StringReader("\\# 3 abcd (\r\n ef )"));
rdata = reader.ReadResourceData();
CollectionAssert.AreEqual(new byte[] { 0xab, 0xcd, 0xef }, rdata);
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
HashAlgorithm = (DigestType)reader.ReadByte();
Flags = (NSEC3Flags)reader.ReadByte();
Iterations = reader.ReadUInt16();
var salt = reader.ReadString();
if (salt != "-")
{
Salt = Base16.Decode(salt);
}
NextHashedOwnerName = Base32.ExtendedHex.Decode(reader.ReadString());
while (!reader.IsEndOfLine())
{
Types.Add(reader.ReadDnsType());
}
}
public void ReadZoneFile()
{
var text = @"
$ORIGIN example.com. ; designates the start of this zone file in the namespace
$TTL 3600 ; default expiration time of all resource records without their own TTL value
; example.com. IN SOA ns.example.com. username.example.com. ( 2007120710 1d 2h 4w 1h )
example.com. IN SOA ns.example.com. username.example.com. ( 2007120710 1 2 4 1 )
example.com. IN NS ns ; ns.example.com is a nameserver for example.com
example.com. IN NS ns.somewhere.example. ; ns.somewhere.example is a backup nameserver for example.com
example.com. IN MX 10 mail.example.com. ; mail.example.com is the mailserver for example.com
@ IN MX 20 mail2.example.com. ; equivalent to above line, '@' represents zone origin
@ IN MX 50 mail3 ; equivalent to above line, but using a relative host name
example.com. IN A 192.0.2.1 ; IPv4 address for example.com
IN AAAA 2001:db8:10::1 ; IPv6 address for example.com
ns IN A 192.0.2.2 ; IPv4 address for ns.example.com
IN AAAA 2001:db8:10::2 ; IPv6 address for ns.example.com
www IN CNAME example.com. ; www.example.com is an alias for example.com
wwwtest IN CNAME www ; wwwtest.example.com is another alias for www.example.com mail IN A 192.0.2.3 ; IPv4 address for mail.example.com
mail IN A 192.0.2.3 ; IPv4 address for mail.example.com
mail2 IN A 192.0.2.4 ; IPv4 address for mail2.example.com
mail3 IN A 192.0.2.5 ; IPv4 address for mail3.example.com
";
var reader = new PresentationReader(new StringReader(text));
var resources = new List <ResourceRecord>();
while (true)
{
var r = reader.ReadResourceRecord();
if (r == null)
{
break;
}
resources.Add(r);
}
Assert.AreEqual(15, resources.Count);
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Mailbox = reader.ReadDomainName();
TextName = reader.ReadDomainName();
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Authority = reader.ReadDomainName();
}
/// <inheritdoc />
public override void ReadData(PresentationReader reader)
{
Cpu = reader.ReadString();
OS = reader.ReadString();
}
