@Test

@SuppressWarnings("deprecation")

void createParams() throws UnknownHostException, TextParseException {

List<Integer> mandatoryList = Arrays.asList(SVCBRecord.ALPN, SVCBRecord.IPV4HINT);

SVCBRecord.ParameterMandatory mandatory = new SVCBBase.ParameterMandatory(mandatoryList);

assertEquals(SVCBRecord.MANDATORY, mandatory.getKey());

assertEquals(mandatoryList, mandatory.getValues());

List<String> alpnList = Arrays.asList("h2", "h3");

SVCBRecord.ParameterAlpn alpn = new SVCBRecord.ParameterAlpn(alpnList);

assertEquals(SVCBRecord.ALPN, alpn.getKey());

assertEquals(alpnList, alpn.getValues());

SVCBRecord.ParameterPort port = new SVCBBase.ParameterPort(8443);

assertEquals(SVCBRecord.PORT, port.getKey());

assertEquals(8443, port.getPort());

List<Inet4Address> ipv4List =

Collections.singletonList((Inet4Address) InetAddress.getByName("1.2.3.4"));

SVCBRecord.ParameterIpv4Hint ipv4hint = new SVCBRecord.ParameterIpv4Hint(ipv4List);

assertEquals(SVCBRecord.IPV4HINT, ipv4hint.getKey());

assertEquals(ipv4List, ipv4hint.getAddresses());

byte[] data = {'a', 'b', 'c'};

SVCBBase.ParameterEch ech = new SVCBBase.ParameterEch(data);

assertEquals(SVCBRecord.ECH, ech.getKey());

assertEquals(data, ech.getData());

SVCBRecord.ParameterEchConfig echconfig = new SVCBRecord.ParameterEchConfig(data);

assertEquals(SVCBRecord.ECHCONFIG, echconfig.getKey());

assertEquals(data, echconfig.getData());

List<Inet6Address> ipv6List =

Collections.singletonList((Inet6Address) InetAddress.getByName("2001:db8::1"));

SVCBRecord.ParameterIpv6Hint ipv6hint = new SVCBRecord.ParameterIpv6Hint(ipv6List);

assertEquals(SVCBRecord.IPV6HINT, ipv6hint.getKey());

assertEquals(ipv6List, ipv6hint.getAddresses());

byte[] value = {0, 1, 2, 3};

SVCBRecord.ParameterUnknown unknown = new SVCBRecord.ParameterUnknown(33, value);

assertEquals(33, unknown.getKey());

assertEquals(value, unknown.getValue());

}

@Test

void createRecord() throws IOException {

Name label = Name.fromString("test.com.");

int svcPriority = 5;

Name svcDomain = Name.fromString("svc.test.com.");

SVCBRecord.ParameterMandatory mandatory = new SVCBRecord.ParameterMandatory();

mandatory.fromString("alpn");

SVCBRecord.ParameterAlpn alpn = new SVCBRecord.ParameterAlpn();

alpn.fromString("h1,h2");

SVCBRecord.ParameterIpv4Hint ipv4 = new SVCBRecord.ParameterIpv4Hint();

ipv4.fromString("1.2.3.4,5.6.7.8");

List<SVCBRecord.ParameterBase> params = Arrays.asList(mandatory, ipv4, alpn);

SVCBRecord svcbRecord = new SVCBRecord(label, DClass.IN, 300, svcPriority, svcDomain, params);

assertEquals(Type.SVCB, svcbRecord.getType());

assertEquals(label, svcbRecord.getName());

assertEquals(svcPriority, svcbRecord.getSvcPriority());

assertEquals(svcDomain, svcbRecord.getTargetName());

assertEquals(

Arrays.asList(SVCBRecord.MANDATORY, SVCBRecord.ALPN, SVCBRecord.IPV4HINT).toString(),

svcbRecord.getSvcParamKeys().toString());

assertEquals("alpn", svcbRecord.getSvcParamValue(SVCBRecord.MANDATORY).toString());

assertEquals("h1,h2", svcbRecord.getSvcParamValue(SVCBRecord.ALPN).toString());

assertEquals("h1,h2", svcbRecord.getSvcParamValue(SVCBRecord.ALPN).toString());

assertNull(svcbRecord.getSvcParamValue(1234));

Options.unset("BINDTTL");

Options.unset("noPrintIN");

assertEquals(

"test.com.\t\t300\tIN\tSVCB\t5 svc.test.com. mandatory=alpn alpn=h1,h2 ipv4hint=1.2.3.4,5.6.7.8",

svcbRecord.toString());

}

@Test

void createRecordDuplicateParam() throws IOException {

Name label = Name.fromString("test.com.");

Name svcDomain = Name.fromString("svc.test.com.");

SVCBRecord.ParameterAlpn alpn = new SVCBRecord.ParameterAlpn();

alpn.fromString("h1,h2");

SVCBRecord.ParameterIpv4Hint ipv4 = new SVCBRecord.ParameterIpv4Hint();

ipv4.fromString("1.2.3.4,5.6.7.8");

List<SVCBRecord.ParameterBase> params = Arrays.asList(alpn, ipv4, alpn);

assertThrows(

IllegalArgumentException.class,

() -> new SVCBRecord(label, DClass.IN, 300, 5, svcDomain, params));

}

@Test

void aliasMode() throws IOException {

String str = "0 a.b.c.";

byte[] bytes = stringToWire(str);

byte[] expected = new byte[] {0, 0, 1, 'a', 1, 'b', 1, 'c', 0};

assertArrayEquals(expected, bytes);

assertEquals(str, wireToString(bytes));

}

@Test

void serviceModeWithoutParameters() throws IOException {

String str = "1 .";

byte[] bytes = stringToWire(str);

byte[] expected = new byte[] {0, 1, 0};

assertArrayEquals(expected, bytes);

assertEquals(str, wireToString(bytes));

}

@Test

void serviceModePort() throws IOException {

String str = "1 . port=8443";

byte[] bytes = stringToWire(str);

byte[] expected = new byte[] {0, 1, 0, 0, 3, 0, 2, 0x20, (byte) 0xFB};

assertArrayEquals(expected, bytes);

assertEquals(str, wireToString(bytes));

}

@Test

void serviceModeAlpn() throws IOException {

String str = "1 . alpn=h3";

assertEquals(str, stringToWireToString(str));

}

@Test

void serviceModeNoDefaultAlpn() throws IOException {

String str = "1 . no-default-alpn";

assertEquals(str, stringToWireToString(str));

}

@Test

void serviceModeMultiKey() throws IOException {

String str = "1 . alpn=h3 no-default-alpn";

assertEquals(str, stringToWireToString(str));

}

@Test

void serviceModeIntKey() throws IOException {

String str = "1 . 1=h3";

assertEquals("1 . alpn=h3", stringToWireToString(str));

}

@Test

void serviceModeMultiValue() throws IOException {

String str = "1 . alpn=h2,h3";

byte[] bytes = stringToWire(str);

byte[] expected = new byte[] {0, 1, 0, 0, 1, 0, 6, 2, 'h', '2', 2, 'h', '3'};

assertArrayEquals(expected, bytes);

assertEquals(str, wireToString(bytes));

}

@Test

void serviceModeQuotedValue() throws IOException {

String str = "1 . alpn=\"h2,h3\"";

assertEquals("1 . alpn=h2,h3", stringToWireToString(str));

}

@Test

void serviceModeQuotedEscapedValue() throws IOException {

String str = "1 . alpn=\"h2\\,h3,h\\\\4\"";

String expectedStr = "1 . alpn=h2\\,h3,h\\\\4";

byte[] bytes = stringToWire(str);

byte[] expectedBytes =

new byte[] {0, 1, 0, 0, 1, 0, 10, 5, 104, 50, 44, 104, 51, 3, 104, '\\', 52};

assertArrayEquals(bytes, expectedBytes);

assertEquals(expectedStr, wireToString(bytes));

}

@Test

void serviceModeAlpnEscapedBytes() throws IOException {

String str = "1 . alpn=http/1.1,\\001aa\\003\\b,h2";

String expectedStr = "1 . alpn=http/1.1,\\001aa\\003b,h2";

byte[] bytes = stringToWire(str);

byte[] expectedBytes =

new byte[] {

0, 1, 0, 0, 1, 0, 18, 8, 104, 116, 116, 112, 47, 49, 46, 49, 5, 1, 97, 97, 3, 98, 2, 104,

50

};

assertArrayEquals(bytes, expectedBytes);

assertEquals(expectedStr, wireToString(bytes));

}

@Test

void serviceModeMandatoryAndOutOfOrder() throws IOException {

String str = "1 . alpn=h3 no-default-alpn mandatory=alpn";

assertEquals("1 . mandatory=alpn alpn=h3 no-default-alpn", stringToWireToString(str));

}

@Test

void serviceModeEscapedDomain() throws IOException {

String str = "1 dotty\\.lotty.example.com. no-default-alpn";

assertEquals(str, stringToWireToString(str));

}

@Test

void serviceModeEch() throws IOException {

String str = "1 h3pool. ech=1234";

assertEquals(str, stringToWireToString(str));

}

@Test

void serviceModeEchMulti() throws IOException {

String str = "1 h3pool. alpn=h2,h3 ech=1234";

assertEquals(str, stringToWireToString(str));

}

@Test

void serviceModeEchOutOfOrder() throws IOException {

String str = "1 h3pool. ech=1234 alpn=h2,h3";

assertEquals("1 h3pool. alpn=h2,h3 ech=1234", stringToWireToString(str));

}

@Test

void serviceModeEchQuoted() throws IOException {

String str = "1 h3pool. alpn=h2,h3 ech=\"1234\"";

assertEquals("1 h3pool. alpn=h2,h3 ech=1234", stringToWireToString(str));

}

@Test

void serviceModeObsoleteEchConfigName() throws IOException {

String str = "1 . echconfig=1234";

assertEquals("1 . ech=1234", stringToWireToString(str));

}

@Test

void serviceModeIpv4Hint() throws IOException {

String str = "3 . ipv4hint=4.5.6.7";

assertEquals(str, stringToWireToString(str));

}

@Test

void serviceModeIpv4HintList() throws IOException {

String str = "5 . ipv4hint=4.5.6.7,8.9.1.2";

byte[] bytes = stringToWire(str);

byte[] expected = new byte[] {0, 5, 0, 0, 4, 0, 8, 4, 5, 6, 7, 8, 9, 1, 2};

assertArrayEquals(expected, bytes);

assertEquals(str, wireToString(bytes));

}

@Test

void serviceModeIpv4HintQuoted() throws IOException {

String str = "5 . ipv4hint=\"4.5.6.7,8.9.1.2\"";

assertEquals("5 . ipv4hint=4.5.6.7,8.9.1.2", stringToWireToString(str));

}

@Test

void serviceModeIpv4HintMultiKey() throws IOException {

String str = "7 . alpn=h2 ipv4hint=4.5.6.7";

assertEquals(str, stringToWireToString(str));

}

@Test

void serviceModeIpv6Hint() throws IOException {

String str = "9 . ipv6hint=2001:db8::1";

assertEquals("9 . ipv6hint=2001:db8:0:0:0:0:0:1", stringToWireToString(str));

}

@Test

void serviceModeIpv6HintMulti() throws IOException {

String str = "2 . alpn=h2 ipv6hint=2001:db8::1,2001:db8::2";

assertEquals(

"2 . alpn=h2 ipv6hint=2001:db8:0:0:0:0:0:1,2001:db8:0:0:0:0:0:2",

stringToWireToString(str));

}

@Test

void serviceModeUnknownKey() throws IOException {

String str = "6 . key12345=abcdefg\\012";

assertEquals(str, stringToWireToString(str));

}

@Test

void serviceModeUnknownKeyBytes() throws IOException {

String str = "8 . key23456=\\000\\001\\002\\003";

byte[] bytes = stringToWire(str);

byte[] expected = new byte[] {0, 8, 0, 0x5B, (byte) 0xA0, 0, 4, 0, 1, 2, 3};

assertArrayEquals(expected, bytes);

assertEquals(str, wireToString(bytes));

}

@Test

void serviceModeUnknownKeyEscapedChars() throws IOException {

String str = "1 . key29=a\\b\\c";

assertEquals("1 . key29=abc", stringToWireToString(str));

}

@Test

void serviceModeUnknownKeyEscapedSlash() throws IOException {

String str = "65535 . key29=a\\\\b\\\\c";

assertEquals(str, stringToWireToString(str));

}

@Test

void serviceModeUnknownHighKey() throws IOException {

String str = "65535 . key65535=abcdefg";

assertEquals(str, stringToWireToString(str));

}

@Test

void serviceModeUnknownKeyNoValue() throws IOException {

String str = "65535 . key65535";

assertEquals(str, stringToWireToString(str));

}

@Test

void masterFormatParsing() throws IOException {

String str =

"test.net. 86400 IN SOA test.net. test.net. 2020100900 3600 600 604800 300\n"

+ "test.net. 86400 IN NS ns1.test.net.\n"

+ "test.net. 300 IN HTTPS 0 www.test.net.\n"

+ "test.net. 300 IN SVCB 1 . alpn=h2\n"

+ "test.net. 300 IN HTTPS 1 .\n"

+ "www.test.net. 300 IN A 1.2.3.4\n";

Master m = new Master(new ByteArrayInputStream(str.getBytes()));

Record r = m.nextRecord();

assertEquals(Type.SOA, r.getType());

r = m.nextRecord();

assertEquals(Type.NS, r.getType());

r = m.nextRecord();

assertEquals(Type.HTTPS, r.getType());

assertEquals("0 www.test.net.", r.rdataToString());

r = m.nextRecord();

assertEquals(Type.SVCB, r.getType());

assertEquals("1 . alpn=h2", r.rdataToString());

r = m.nextRecord();

assertEquals(Type.HTTPS, r.getType());

assertEquals("1 .", r.rdataToString());

r = m.nextRecord();

assertEquals(Type.A, r.getType());

assertEquals("1.2.3.4", r.rdataToString());

r = m.nextRecord();

assertNull(r);

}

@Test

void invalidText() {

String str = "these are all garbage strings that should fail";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void extraQuotesInParamValues() {

String str = "5 . ipv4hint=\"4.5.6.7\",\"8.9.1.2\"";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void aliasModeWithParameters() {

String str = "0 . alpn=h3";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void zeroLengthMandatory() {

String str = "1 . mandatory";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void zeroLengthAlpnValue() {

String str = "1 . alpn";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void zeroLengthPortValue() {

String str = "1 . port";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void zeroLengthIpv4Hint() {

String str = "1 . ipv4hint";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void zeroLengthEch() {

String str = "1 . ech";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void zeroLengthIpv6Hint() {

String str = "1 . ipv6hint";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void emptyKey() {

String str = "1 . =1234";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void emptyValue() {

String str = "1 . alpn=";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void emptyKeyAndValue() {

String str = "1 . =";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void unknownKey() {

String str = "1 . sport=8443";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void mandatoryListWithSelf() {

String str = "1 . mandatory=alpn,mandatory alpn=h1";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void mandatoryListWithDuplicate() {

String str = "1 . mandatory=alpn,ipv4hint,alpn alpn=h1 ipv4hint=1.2.3.4";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void mandatoryListWithMissingParam() {

String str = "1 . mandatory=alpn,ipv4hint alpn=h1";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void portValueTooLarge() {

String str = "1 . port=84438";

assertThrows(IllegalArgumentException.class, () -> stringToWire(str));

}

@Test

void portValueCharAfterInt() {

String str = "1 . port=443a";

assertThrows(IllegalArgumentException.class, () -> stringToWire(str));

}

@Test

void noDefaultAlpnWithValue() {

String str = "1 . no-default-alpn=true";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void emptyString() {

String str = "";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void svcPriorityTooHigh() {

String str = "65536 . port=443";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void invalidPortKey() {

String str = "1 . port<5";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void invalidSvcDomain() {

String str = "1 fred..harvey port=80";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void duplicateParamKey() {

String str = "1 . alpn=h2 alpn=h3";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void invalidIpv4Hint() {

String str = "1 . ipv4hint=2001:db8::1";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void invalidIpv6Hint() {

String str = "1 . ipv6hint=1.2.3.4";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void negativeSvcPriority() {

String str = "-1 . port=80";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void svcParamUnknownKeyTooHigh() {

String str = "65535 . key65536=abcdefg";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void svcParamUnknownKeyCharAfterInt() {

String str = "65535 . key123a=abcdefg";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void invalidSvcParamKey() {

String str = "65535 . keyBlooie=abcdefg";

assertThrows(TextParseException.class, () -> stringToWire(str));

}

@Test

void wireFormatTooShort() {

byte[] wire = new byte[] {0, 1, 0, 0, 1, 0, 10};

assertThrows(WireParseException.class, () -> wireToString(wire));

}

@Test

void wireFormatTooLong() {

byte[] wire = new byte[] {0, 0, 0, 1};

assertThrows(WireParseException.class, () -> wireToString(wire));

}

@Test

void wireFormatMandatoryTooLong() {

byte[] wire = new byte[] {0, 1, 0, 0, 0, 0, 3, 0, 1, 55};

assertThrows(WireParseException.class, () -> wireToString(wire));

}

@Test

void wireFormatAlpnTooShort() {

byte[] wire = new byte[] {0, 1, 0, 0, 1, 0, 3, 10, 1, 55};

assertThrows(WireParseException.class, () -> wireToString(wire));

}

@Test

void wireFormatNoDefaultAlpnTooLong() {

byte[] wire = new byte[] {0, 1, 0, 0, 2, 0, 1, 0};

assertThrows(WireParseException.class, () -> wireToString(wire));

}

@Test

void wireFormatPortTooLong() {

byte[] wire = new byte[] {0, 1, 0, 0, 3, 0, 4, 0, 0, 0, 0};

assertThrows(WireParseException.class, () -> wireToString(wire));

}

@Test

void wireFormatIpv4HintTooLong() {

byte[] wire = new byte[] {0, 1, 0, 0, 4, 0, 5, 1, 2, 3, 4, 5};

assertThrows(WireParseException.class, () -> wireToString(wire));

}

@Test

void wireFormatIpv6HintTooShort() {

byte[] wire = new byte[] {0, 1, 0, 0, 6, 0, 2, 1, 2};

assertThrows(WireParseException.class, () -> wireToString(wire));

}

public static byte[] stringToWire(String str) throws IOException {

Tokenizer t = new Tokenizer(str);

SVCBRecord svcbRecord = new SVCBRecord();

svcbRecord.rdataFromString(t, null);

DNSOutput out = new DNSOutput();

svcbRecord.rrToWire(out, null, true);

return out.toByteArray();

}

public static String wireToString(byte[] bytes) throws IOException {

DNSInput in = new DNSInput(bytes);

SVCBRecord svcbRecord = new SVCBRecord();

svcbRecord.rrFromWire(in);

return svcbRecord.rdataToString();

}

public static String stringToWireToString(String str) throws IOException {

return wireToString(stringToWire(str));

}