classes.js

@@ -12,9 +12,6 @@ exports.toString = function (klass) {
 }
 
 exports.toClass = function (name) {
-  if (typeof name === 'number') {
-    return name;
-  }
   switch (name.toUpperCase()) {
     case 'IN': return 1
     case 'CS': return 2

hexdump.js

@@ -1,65 +0,0 @@
-'use strict'
-
-const wout = (s) => {
-  process.stdout.write(s)
-}
-
-const padStr = (s, len, ch) => {
-  ch = ch || ' '
-  while (s.length < len) {
-    s = ch + s
-  }
-  return s
-}
-
-const hexDigit = (n, len) => {
-  return padStr(n.toString(16), len || 2, '0')
-}
-
-const printableCh = (c) => {
-  // [space to '~')
-  if (c > 0x20 && c <= 0x7e) {
-    return String.fromCharCode(c)
-  } else {
-    return '.'
-  }
-}
-
-const hexdump = (buf, len) => {
-  len = len || buf.length
-
-  const maxline = 16
-  let ascii = new Array(maxline)
-  let i
-
-  for (i = 0; i < len; i++) {
-    if (i % maxline === 0) {
-      if (i > 0) {
-        wout(' ' + ascii.join(''))
-        wout('\n')
-      }
-      wout(hexDigit(i, 4) + ': ')
-    }
-
-    // output the hex digit
-    wout(hexDigit(buf[i]))
-    wout(' ')
-    ascii[i % maxline] = printableCh(buf[i])
-  }
-  if (i % maxline !== 0) {
-    let diff = maxline - (i % maxline)
-    wout('   '.repeat(diff))
-  }
-
-  wout(' ' + ascii.slice(0, (i % maxline)).join('') + '\n')
-}
-
-/*
-let buf = Buffer.alloc(500)
-for (let i = 0; i < buf.length; i++) {
-  buf[i] = i & 0xff
-}
-hexdump(buf)
-*/
-
-module.exports = hexdump

index.js

@@ -13,6 +13,7 @@ const RESPONSE_FLAG = 1 << 15
 const FLUSH_MASK = 1 << 15
 const NOT_FLUSH_MASK = ~FLUSH_MASK
 const QU_MASK = 1 << 15
+const NOT_QU_MASK = ~QU_MASK
 
 const name = exports.name = {}
 
@@ -1473,390 +1474,6 @@ rtlsa.encodingLength = function (cert) {
   return 5 + Buffer.byteLength(cert.certificate)
 }
 
-const svcparam = exports.svcparam = {}
-
-svcparam.keyToNumber = function (keyName) {
-  switch (keyName.toLowerCase()) {
-    case 'mandatory': return 0
-    case 'alpn' : return 1
-    case 'no-default-alpn' : return 2
-    case 'port' : return 3
-    case 'ipv4hint' : return 4
-    case 'echconfig' : return 5
-    case 'ipv6hint' : return 6
-    case 'dohpath' : return 7
-    case 'odoh' : return 32769
-    case 'key65535' : return 65535
-  }
-  if (!keyName.startsWith('key')) {
-    throw new Error(`Name must start with key: ${keyName}`)
-  }
-
-  return Number.parseInt(keyName.substring(3))
-}
-
-svcparam.numberToKeyName = function (number) {
-  switch (number) {
-    case 0 : return 'mandatory'
-    case 1 : return 'alpn'
-    case 2 : return 'no-default-alpn'
-    case 3 : return 'port'
-    case 4 : return 'ipv4hint'
-    case 5 : return 'echconfig'
-    case 6 : return 'ipv6hint'
-    case 7 : return 'dohpath'
-    case 32769 : return 'odoh'
-  }
-
-  return `key${number}`
-}
-
-svcparam.encode = function (param, buf, offset) {
-  if (!buf) buf = Buffer.allocUnsafe(svcparam.encodingLength(param))
-  if (!offset) offset = 0
-
-  let key = param.key
-  if (typeof param.key !== 'number') {
-    key = svcparam.keyToNumber(param.key)
-  }
-  buf.writeUInt16BE(key || 0, offset)
-  offset += 2
-  svcparam.encode.bytes = 2
-
-  if (key === 0) { // mandatory
-    let values = param.value
-    if (!Array.isArray(values)) values = [values]
-    buf.writeUInt16BE(values.length * 2, offset)
-    offset += 2
-    svcparam.encode.bytes += 2
-
-    for (let val of values) {
-      if (typeof val !== 'number') {
-        val = svcparam.keyToNumber(val)
-      }
-      buf.writeUInt16BE(val, offset)
-      offset += 2
-      svcparam.encode.bytes += 2
-    }
-  } else if (key === 1) { // alpn
-    let val = param.value
-    if (!Array.isArray(val)) val = [val]
-    // The alpn param is prefixed by its length as a single byte, so the
-    // initialValue to reduce function is the length of the array.
-    let total = val.reduce(function (result, id) {
-      result += id.length
-      return result
-    }, val.length)
-
-    buf.writeUInt16BE(total, offset)
-    offset += 2
-    svcparam.encode.bytes += 2
-
-    for (let id of val) {
-      buf.writeUInt8(id.length, offset)
-      offset += 1
-      svcparam.encode.bytes += 1
-
-      buf.write(id, offset)
-      offset += id.length
-      svcparam.encode.bytes += id.length
-    }
-  } else if (key === 2) { // no-default-alpn
-    buf.writeUInt16BE(0, offset)
-    offset += 2
-    svcparam.encode.bytes += 2
-  } else if (key === 3) { // port
-    buf.writeUInt16BE(2, offset)
-    offset += 2
-    svcparam.encode.bytes += 2
-    buf.writeUInt16BE(param.value || 0, offset)
-    offset += 2
-    svcparam.encode.bytes += 2
-  } else if (key === 4) { // ipv4hint
-    let val = param.value
-    if (!Array.isArray(val)) val = [val]
-    buf.writeUInt16BE(val.length * 4, offset)
-    offset += 2
-    svcparam.encode.bytes += 2
-
-    for (let host of val) {
-      ip.v4.encode(host, buf, offset)
-      offset += 4
-      svcparam.encode.bytes += 4
-    }
-  } else if (key === 5) { // echconfig
-    if (svcparam.ech) {
-      buf.writeUInt16BE(svcparam.ech.length, offset)
-      offset += 2
-      svcparam.encode.bytes += 2
-      for (let i = 0; i < svcparam.ech.length; i++) {
-        buf.writeUInt8(svcparam.ech[i], offset)
-        offset++
-      }
-      svcparam.encode.bytes += svcparam.ech.length
-    } else {
-      buf.writeUInt16BE(param.value.length, offset)
-      offset += 2
-      svcparam.encode.bytes += 2
-      buf.write(param.value, offset)
-      offset += param.value.length
-      svcparam.encode.bytes += param.value.length
-    }
-  } else if (key === 6) { // ipv6hint
-    let val = param.value
-    if (!Array.isArray(val)) val = [val]
-    buf.writeUInt16BE(val.length * 16, offset)
-    offset += 2
-    svcparam.encode.bytes += 2
-
-    for (let host of val) {
-      ip.v6.encode(host, buf, offset)
-      offset += 16
-      svcparam.encode.bytes += 16
-    }
-  } else if (key === 7) { // dohpath
-    buf.writeUInt16BE(param.value.length, offset)
-    offset += 2
-    svcparam.encode.bytes += 2
-    buf.write(param.value, offset)
-    offset += param.value.length
-    svcparam.encode.bytes += param.value.length
-  } else if (key === 32769) { // odoh
-    if (svcparam.odoh) {
-      buf.writeUInt16BE(svcparam.odoh.length, offset)
-      offset += 2
-      svcparam.encode.bytes += 2
-      for (let i = 0; i < svcparam.odoh.length; i++) {
-        buf.writeUInt8(svcparam.odoh[i], offset)
-        offset++
-      }
-      svcparam.encode.bytes += svcparam.odoh.length
-      svcparam.odoh = null
-    } else {
-      buf.writeUInt16BE(param.value.length, offset)
-      offset += 2
-      svcparam.encode.bytes += 2
-      buf.write(param.value, offset)
-      offset += param.value.length
-      svcparam.encode.bytes += param.value.length
-    }
-  } else {
-    // XXX: why would we ever succeed here, why not fail with an exception to let the user know?
-    // Unknown option
-    buf.writeUInt16BE(0, offset) // 0 length since we don't know how to encode
-    offset += 2
-    svcparam.encode.bytes += 2
-  }
-}
-
-svcparam.encode.bytes = 0
-
-svcparam.decode = function (buf, offset) {
-  if (!offset) offset = 0
-  let param = {}
-  let id = buf.readUInt16BE(offset)
-  param.key = svcparam.numberToKeyName(id)
-  offset += 2
-  svcparam.decode.bytes = 2
-
-  let len = buf.readUInt16BE(offset)
-  offset += 2
-  svcparam.decode.bytes += 2
-
-  // decode the svcparam value
-  switch (param.key.toLowerCase()) {
-    case 'mandatory':
-      {
-        let mp = []
-        let paramsoff = offset
-        let rem = len
-        while (rem >= 2) {
-          let paramtype = buf.readUInt16BE(paramsoff)
-          mp.push(svcparam.numberToKeyName(paramtype))
-          paramsoff += 2
-          rem -= 2
-        }
-        param.value = mp
-      }
-      break
-    case 'alpn':
-      {
-        let names = []
-        let nameoff = offset
-        let rem = len
-        while (rem >= 2) {
-          const namelen = buf.readUInt8(nameoff)
-          nameoff++
-          rem--
-          if (namelen > rem) {
-            throw new Error(`Invalid SVCB param ALPN length: ${namelen}. Not enough space left in buffer`)
-          }
-          names.push(buf.toString('utf-8', nameoff, nameoff + namelen))
-          nameoff += namelen
-          rem -= namelen
-        }
-        param.value = names
-      }
-      break
-    case 'no-default-alpn':
-      // data should be empty
-      param.value = 0
-      break
-    case 'port':
-      param.value = buf.readUInt16BE(offset)
-      break
-    case 'ipv4hint':
-      {
-        let ips = []
-        let ipoff = offset
-        let rem = len
-        while (rem >= 4) {
-          ips.push(ip.v4.decode(buf, ipoff))
-          ipoff += 4
-          rem -= 4
-        }
-        param.value = ips
-      }
-      break
-    case 'ipv6hint':
-      {
-        let ips = []
-        let ipoff = offset
-        let rem = len
-        while (rem >= 16) {
-          ips.push(ip.v6.decode(buf, ipoff))
-          ipoff += 16
-          rem -= 16
-        }
-        param.value = ips
-      }
-      break
-    case 'dohpath':
-    default:
-      param.value = buf.toString('utf-8', offset, offset + len)
-      break
-  }
-
-  offset += len
-  svcparam.decode.bytes += len
-
-  return param
-}
-
-svcparam.decode.bytes = 0
-
-svcparam.encodingLength = function (param) {
-  // 2 bytes for type, 2 bytes for length, what's left for the value
-
-  switch (param.key) {
-    case 'mandatory' : return 4 + 2 * (Array.isArray(param.value) ? param.value.length : 1)
-    case 'alpn' : {
-      let val = param.value
-      if (!Array.isArray(val)) val = [val]
-      let total = val.reduce(function (result, id) {
-        result += id.length
-        return result
-      }, val.length)
-      return 4 + total
-    }
-    case 'no-default-alpn' : return 4
-    case 'port' : return 4 + 2
-    case 'ipv4hint' : return 4 + 4 * (Array.isArray(param.value) ? param.value.length : 1)
-    case 'echconfig' : {
-      if (param.needBase64Decode) {
-        svcparam.ech = Buffer.from(param.value, 'base64')
-        return 4 + svcparam.ech.length
-      }
-      return 4 + param.value.length
-    }
-    case 'ipv6hint' : return 4 + 16 * (Array.isArray(param.value) ? param.value.length : 1)
-    case 'odoh' : {
-      if (param.needBase64Decode) {
-        svcparam.odoh = Buffer.from(param.value, 'base64')
-        return 4 + svcparam.odoh.length
-      }
-      return 4 + param.value.length
-    }
-    case 'dohpath': {
-      return 4 + param.value.length
-    }
-    case 'key65535' : return 4
-    default: return 4 // unknown option
-  }
-}
-
-const rhttpssvc = exports.httpssvc = {}
-
-rhttpssvc.encode = function (data, buf, offset) {
-  if (!buf) buf = Buffer.allocUnsafe(rhttpssvc.encodingLength(data))
-  if (!offset) offset = 0
-
-  buf.writeUInt16BE(rhttpssvc.encodingLength(data) - 2, offset)
-  offset += 2
-
-  buf.writeUInt16BE(data.priority || 0, offset)
-  rhttpssvc.encode.bytes = 4
-  offset += 2
-  name.encode(data.name, buf, offset)
-  rhttpssvc.encode.bytes += name.encode.bytes
-  offset += name.encode.bytes
-
-  if (!data.values) data.values = {}
-  for (const key in data.values) {
-    let val = { key, value: data.values[key] }
-    console.log(`val: ${val}`)
-    svcparam.encode(val, buf, offset)
-    offset += svcparam.encode.bytes
-    rhttpssvc.encode.bytes += svcparam.encode.bytes
-  }
-
-  return buf
-}
-
-rhttpssvc.encode.bytes = 0
-
-rhttpssvc.decode = function (buf, offset) {
-  if (!offset) offset = 0
-  let rdlen = buf.readUInt16BE(offset)
-  offset += 2
-  let record = {}
-  record.priority = buf.readUInt16BE(offset)
-  offset += 2
-  rhttpssvc.decode.bytes = 4
-  record.name = name.decode(buf, offset)
-  offset += name.decode.bytes
-  rhttpssvc.decode.bytes += name.decode.bytes
-
-  while (rdlen > rhttpssvc.decode.bytes - 2) {
-    let rec1 = svcparam.decode(buf, offset)
-    offset += svcparam.decode.bytes
-    rhttpssvc.decode.bytes += svcparam.decode.bytes
-    if (!record.values) {
-      record.values = {}
-    }
-    record.values[rec1.key] = rec1.value
-  }
-
-  return record
-}
-
-rhttpssvc.decode.bytes = 0
-
-rhttpssvc.encodingLength = function (data) {
-  let len =
-    2 + // rdlen
-    2 + // priority
-    name.encodingLength(data.name)
-  if (!data.values) data.values = {}
-  for (const key in data.values) {
-    len += svcparam.encodingLength({ key, value: data.values[key] })
-  }
-  return len
-}
-
-const rsvcb = rhttpssvc // SCVB is the same parser as HTTPS
-exports.svcb = rsvcb
-
 const renc = exports.record = function (type) {
   switch (type.toUpperCase()) {
     case 'A': return ra
@@ -1882,8 +1499,6 @@ const renc = exports.record = function (type) {
     case 'DS': return rds
     case 'NAPTR': return rnaptr
     case 'TLSA': return rtlsa
-    case 'SVCB': return rsvcb
-    case 'HTTPS': return rhttpssvc
   }
   return runknown
 }
@@ -2006,8 +1621,8 @@ question.decode = function (buf, offset) {
   q.type = types.toString(buf.readUInt16BE(offset))
   offset += 2
 
-  q.qu_bit = (buf.readUInt16BE(offset) & QU_MASK) !== 0
-  q.class = q.qu_bit ? classes.toString(buf.readUInt16BE(offset) - QU_MASK) : classes.toString(buf.readUInt16BE(offset))
+  q.qu_bit = (buf.readUInt16BE(offset) & QU_MASK) != 0;
+  q.class = q.qu_bit ? classes.toString(buf.readUInt16BE(offset) - QU_MASK) : classes.toString(buf.readUInt16BE(offset));
   offset += 2
 
   question.decode.bytes = offset - oldOffset

test.js

@@ -6,10 +6,6 @@ const rcodes = require('./rcodes')
 const opcodes = require('./opcodes')
 const optioncodes = require('./optioncodes')
 
-const ip = require('@leichtgewicht/ip-codec')
-
-const hexdump = require('./hexdump')
-
 tape('unknown', function (t) {
   testEncoder(t, packet.unknown, Buffer.from('hello world'))
   t.end()
@@ -168,34 +164,6 @@ tape('query', function (t) {
     }]
   })
 
-  testEncoder(t, packet, {
-    type: 'query',
-    questions: [{
-      type: 'A',
-      class: 'IN',
-      name: 'hello.a.com',
-      qu_bit: false
-    }, {
-      type: 'SRV',
-      name: 'hello.srv.com',
-      qu_bit: false
-    }]
-  })
-
-  testEncoder(t, packet, {
-    type: 'query',
-    questions: [{
-      type: 'A',
-      class: 'IN',
-      name: 'hello.a.com',
-      qu_bit: true
-    }, {
-      type: 'SRV',
-      name: 'hello.srv.com',
-      qu_bit: true
-    }]
-  })
-
   t.end()
 })
 
@@ -647,534 +615,6 @@ tape('tlsa', function (t) {
   t.end()
 })
 
-const unhexlify = (hex) => {
-  return Buffer.from(hex.match(/[\da-f]{2}/gi).map(function (h) { return parseInt(h, 16) }))
-}
-
-// <HTTPS SVCB test cases>
-const debugHttps = false
-
-const testScvbDecodeEncode = (t, testname, packetbuf, expected, skipEncode = false, skipMemcmpBufs = false) => {
-  const decoded = packet.svcb.decode(packetbuf, 0)
-  if (debugHttps) {
-    console.log(`${testname}: decode:`)
-    console.log(JSON.stringify(decoded, null, 2))
-  }
-  t.ok(compare(t, decoded, expected), 'svcb ' + testname + ' decode')
-  const encoded = packet.svcb.encode(expected)
-  if (!skipEncode) {
-    if (debugHttps) {
-      console.log(`${testname}: encode:`)
-      hexdump(encoded)
-    }
-    if (!skipMemcmpBufs) {
-      t.ok(compare(t, packetbuf, encoded), 'svcb ' + testname + ' encode memcmp')
-    }
-    // now decode the encoded buffer and check for sameness
-    const recoded = packet.svcb.decode(encoded, 0)
-    if (debugHttps) {
-      console.log(`${testname}: recode`)
-      console.log(JSON.stringify(decoded, null, 2))
-    }
-    t.ok(compare(t, recoded, expected), 'svcb ' + testname + ' recode')
-  }
-}
-
-const testHttpsDecodeEncode = (t, testname, packetbuf, expected, skipEncode = false, skipMemcmpBufs = false) => {
-  const decoded = packet.httpssvc.decode(packetbuf, 0)
-  if (debugHttps) {
-    console.log(`${testname}: decode:`)
-    console.log(JSON.stringify(decoded, null, 2))
-  }
-  t.ok(compare(t, decoded, expected), 'https ' + testname + ' decode')
-  const encoded = packet.httpssvc.encode(expected)
-  if (!skipEncode) {
-    if (debugHttps) {
-      console.log(`${testname}: encode:`)
-      hexdump(encoded)
-    }
-    if (!skipMemcmpBufs) {
-      t.ok(compare(t, packetbuf, encoded), 'https ' + testname + ' encode memcmp')
-    }
-    // now decode the encoded buffer and check for sameness
-    const recoded = packet.httpssvc.decode(encoded, 0)
-    if (debugHttps) {
-      console.log(`${testname}: recode`)
-      console.log(JSON.stringify(decoded, null, 2))
-    }
-    t.ok(compare(t, recoded, expected), 'https ' + testname + ' recode')
-  }
-  return encoded
-}
-
-const testHttpsSvcbDecodeEncode = (t, testname, packetbuf, expected, skipEncode = false, skipMemcmpBufs = false) => {
-  testScvbDecodeEncode(t, testname, packetbuf, expected, skipEncode, skipMemcmpBufs)
-  return testHttpsDecodeEncode(t, testname, packetbuf, expected, skipEncode, skipMemcmpBufs)
-}
-
-tape('https svcb', function (t) {
-  // for the test vectors see:
-  //   https://datatracker.ietf.org/doc/rfc9460/
-  //   https://github.com/MikeBishop/dns-alt-svc/blob/main/draft-ietf-dnsop-svcb-https.md
-
-  testEncoder(t, packet.svcb, {
-    priority: 16,
-    name: 'foo.example.org',
-    values: {
-      mandatory: [
-        'alpn',
-        'ipv4hint'
-      ],
-      alpn: [
-        'h2',
-        'h3-19'
-      ],
-      ipv4hint: [
-        '192.0.2.1'
-      ]
-    }
-  }
-  )
-
-  testEncoder(t, packet.httpssvc, {
-    priority: 16,
-    name: 'foo.example.org',
-    values: {
-      mandatory: [
-        'alpn',
-        'ipv4hint'
-      ],
-      alpn: [
-        'h2',
-        'h3-19'
-      ],
-      ipv4hint: [
-        '192.0.2.1'
-      ]
-    }
-  }
-  )
-
-  // https AliasMode
-  testHttpsSvcbDecodeEncode(t, 'rfc9460 case1 (AliasMode)',
-    unhexlify(
-      '00 13' + // rdata len
-      '00 00' + // priority
-      '03 66 6f 6f 07 65 78 61 6d 70 6c 65 03 63 6f 6d 00' // target
-    ),
-    {
-      priority: 0,
-      name: 'foo.example.com'
-    }
-  )
-
-  // https target name is "."
-  testHttpsSvcbDecodeEncode(t, 'rfc9460 case2 (target name ".")',
-    unhexlify(
-      '00 03' + // rdata len
-      '00 01' + // priority
-      '00' // target (root label)
-    ),
-    {
-      priority: 1,
-      name: '.'
-    }
-  )
-
-  // https port
-  testHttpsSvcbDecodeEncode(t, 'rfc9460 case3 (port)',
-    unhexlify(
-      '00 19' + // rdata len
-      '00 10' + // priority
-      '03 66 6f 6f 07 65 78 61 6d 70 6c 65 03 63 6f 6d 00' + // target
-      '00 03' + // key 3
-      '00 02' + // length 2
-      '00 35' // value - target (root label)
-    ),
-    {
-      priority: 16,
-      name: 'foo.example.com',
-      values: {
-        port: 53
-      }
-    }
-  )
-
-  // https generic key and value
-  testHttpsSvcbDecodeEncode(t, 'rfc9460 case4 (generic key,val)',
-    unhexlify(
-      '00 1c' + // rdata len
-      '00 01' + // priority
-      '03 66 6f 6f 07 65 78 61 6d 70 6c 65 03 63 6f 6d 00' + // target
-      '02 9b' + // key 667
-      '00 05' + // length 5
-      '68 65 6c 6c 6f' // value
-    ),
-    {
-      priority: 1,
-      name: 'foo.example.com',
-      values: {
-        key667: 'hello'
-      }
-    },
-    true // skipEncode, we cannot encode an unknown key
-  )
-
-  // https generic key and value with decimal escape
-  testHttpsSvcbDecodeEncode(t, 'rfc9460 case5 (generic key,val with escape)',
-    unhexlify(
-      '00 20' + // rdata len
-      '00 01' + // priority
-      '03 66 6f 6f 07 65 78 61 6d 70 6c 65 03 63 6f 6d 00' + // target
-      '02 9b' + // key 667
-      '00 09' + // length 9
-      '68 65 6c 6c 6f d2 71 6f 6f' // value
-    ),
-    {
-      priority: 1,
-      name: 'foo.example.com',
-      values: {
-        key667: unhexlify('68 65 6c 6c 6f d2 71 6f 6f').toString('utf-8')
-      }
-    },
-    true // skipEncode, we cannot encode an unknown key
-  )
-
-  // https two quoted ipv6 hints
-  testHttpsSvcbDecodeEncode(t, 'rfc9460 case6 (ipv6hint)',
-    unhexlify(
-      '00 37' + // rdata len
-      '00 01' + // priority
-      '03 66 6f 6f 07 65 78 61 6d 70 6c 65 03 63 6f 6d 00' + // target
-      '00 06' + // key 6
-      '00 20' + // length 32
-      '20 01 0d b8 00 00 00 00 00 00 00 00 00 00 00 01' + // first address
-      '20 01 0d b8 00 00 00 00 00 00 00 00 00 53 00 01' // second address
-    ),
-    {
-      priority: 1,
-      name: 'foo.example.com',
-      values: {
-        ipv6hint: [
-          '2001:db8::1',
-          '2001:db8::53:1'
-        ]
-      }
-    }
-  )
-
-  // https ipv6 hint using embedded ipv4 syntax [2001:db8:122:344::192.0.2.33]
-  testHttpsSvcbDecodeEncode(t, 'rfc9460 case7 (ipv6hint v4 syntax)',
-    unhexlify(
-      '00 23' + // rdata len
-      '00 01' + // priority
-      '07 65 78 61 6d 70 6c 65 03 63 6f 6d 00' + // target
-      '00 06' + // key 6
-      '00 10' + // length 16
-      '20 01 0d b8 01 22 03 44 00 00 00 00 c0 00 02 21' // address
-    ),
-    {
-      priority: 1,
-      name: 'example.com',
-      values: {
-        ipv6hint: [ ip.v6.decode(ip.v6.encode('2001:db8:122:344::192.0.2.33')) ]
-      }
-    }
-  )
-
-  // case 8
-  // https 16 foo.example.org. (
-  //    alpn=h2,h3-19 mandatory=ipv4hint,alpn
-  //    ipv4hint=192.0.2.1
-  // )
-  //
-  // note: this may not encode to the same buffer due to internal js
-  //       ordering of the `values` object storing the params
-  testHttpsSvcbDecodeEncode(t, 'rfc9460 case8 (alpn,mandatory,ipv4hint)',
-    unhexlify(
-      '00 30' + // rdata len
-      '00 10' + // priority
-      '03 66 6f 6f 07 65 78 61 6d 70 6c 65 03 6f 72 67 00' + // target
-      '00 00' + // key 0
-      '00 04' + // param length 4
-      '00 01' + // value: key 1
-      '00 04' + // value: key 4
-      '00 01' + // key 1
-      '00 09' + // param length 9
-      '02' + // alpn length 2
-      '68 32' + // alpn value
-      '05' + // alpn length 5
-      '68 33 2d 31 39' + // alpn value
-      '00 04' + // key 4
-      '00 04' + // param length 4
-      'c0 00 02 01' // param value
-    ),
-    {
-      priority: 16,
-      name: 'foo.example.org',
-      values: {
-        mandatory: [
-          'alpn',
-          'ipv4hint'
-        ],
-        alpn: [
-          'h2',
-          'h3-19'
-        ],
-        ipv4hint: [
-          '192.0.2.1'
-        ]
-      }
-    },
-    false, // skipEncode: false
-    true // skipMemcmpBufs: true, do not directly memcmp the resulting bufs, see comment above
-  )
-
-  t.end()
-})
-
-tape('cloudflare real world svcb/https', (t) => {
-  const httpsBuf = unhexlify(
-    'ef 23 81 80 00 01 00 01 00 00 00 01 09 63 6f 6d' +
-    '6d 75 6e 69 74 79 0a 63 6c 6f 75 64 66 6c 61 72' +
-    '65 03 63 6f 6d 00 00 41 00 01 09 63 6f 6d 6d 75' +
-    '6e 69 74 79 0a 63 6c 6f 75 64 66 6c 61 72 65 03' +
-    '63 6f 6d 00 00 41 00 01 00 00 00 3c 00 3d 00 01' +
-    '00 00 01 00 06 02 68 33 02 68 32 00 04 00 08 68' +
-    '12 02 43 68 12 03 43 00 06 00 20 26 06 47 00 00' +
-    '00 00 00 00 00 00 00 68 12 02 43 26 06 47 00 00' +
-    '00 00 00 00 00 00 00 68 12 03 43 00 00 29 02 00' +
-    '00 00 00 00 00 00'
-  )
-  const svcbBuf = unhexlify(
-    'ef 23 81 80 00 01 00 01 00 00 00 01 09 63 6f 6d' +
-    '6d 75 6e 69 74 79 0a 63 6c 6f 75 64 66 6c 61 72' +
-    '65 03 63 6f 6d 00 00 40 00 01 09 63 6f 6d 6d 75' +
-    '6e 69 74 79 0a 63 6c 6f 75 64 66 6c 61 72 65 03' +
-    '63 6f 6d 00 00 40 00 01 00 00 00 3c 00 3d 00 01' +
-    '00 00 01 00 06 02 68 33 02 68 32 00 04 00 08 68' +
-    '12 02 43 68 12 03 43 00 06 00 20 26 06 47 00 00' +
-    '00 00 00 00 00 00 00 68 12 02 43 26 06 47 00 00' +
-    '00 00 00 00 00 00 00 68 12 03 43 00 00 29 02 00' +
-    '00 00 00 00 00 00'
-  )
-
-  let expected = {
-    id: 61219,
-    type: 'response',
-    flags: 384,
-    flag_qr: true,
-    opcode: 'QUERY',
-    flag_aa: false,
-    flag_tc: false,
-    flag_rd: true,
-    flag_ra: true,
-    flag_z: false,
-    flag_ad: false,
-    flag_cd: false,
-    rcode: 'NOERROR',
-    questions: [
-      {
-        name: 'community.cloudflare.com',
-        type: 'HTTPS',
-        class: 'IN'
-      }
-    ],
-    answers: [
-      {
-        name: 'community.cloudflare.com',
-        type: 'HTTPS',
-        ttl: 60,
-        class: 'IN',
-        flush: false,
-        data: {
-          priority: 1,
-          name: '.',
-          values: {
-            alpn: [
-              'h3',
-              'h2'
-            ],
-            ipv4hint: [
-              '104.18.2.67',
-              '104.18.3.67'
-            ],
-            ipv6hint: [
-              '2606:4700::6812:243',
-              '2606:4700::6812:343'
-            ]
-          }
-        }
-      }
-    ],
-    authorities: [],
-    additionals: [
-      {
-        name: '.',
-        type: 'OPT',
-        udpPayloadSize: 512,
-        extendedRcode: 0,
-        ednsVersion: 0,
-        flags: 0,
-        flag_do: false,
-        options: []
-      }
-    ]
-  }
-
-  const decodedHttps = packet.decode(httpsBuf)
-  t.ok(decodedHttps, 'cloudflare real world https decoded')
-  if (debugHttps) {
-    console.log(`cloudflare real world: decodedHttps:`)
-    console.log(JSON.stringify(decodedHttps, null, 2))
-  }
-  t.ok(compare(t, decodedHttps, expected), 'cloudflare real world https compare')
-
-  const decodedSvcb = packet.decode(svcbBuf)
-  t.ok(decodedSvcb, 'cloudflare real world svcb decoded')
-  if (debugHttps) {
-    console.log(`cloudflare real world: decodedSvcb:`)
-    console.log(JSON.stringify(decodedSvcb, null, 2))
-  }
-  expected.questions[0].type = expected.answers[0].type = 'SVCB'
-  t.ok(compare(t, decodedSvcb, expected), 'cloudflare real world svcb compare')
-
-  t.end()
-})
-
-tape('google resolver SVCB real world', function (t) {
-  const svcbBuf = unhexlify(
-    'd0 90 85 80 00 01' +
-    '00 02 00 00 00 04 04 5f 64 6e 73 08 72 65 73 6f' +
-    '6c 76 65 72 04 61 72 70 61 00 00 40 00 01 c0 0c' +
-    '00 40 00 01 00 01 51 80 00 16 00 01 03 64 6e 73' +
-    '06 67 6f 6f 67 6c 65 00 00 01 00 04 03 64 6f 74' +
-    'c0 0c 00 40 00 01 00 01 51 80 00 2c 00 02 03 64' +
-    '6e 73 06 67 6f 6f 67 6c 65 00 00 01 00 06 02 68' +
-    '32 02 68 33 00 07 00 10 2f 64 6e 73 2d 71 75 65' +
-    '72 79 7b 3f 64 6e 73 7d 03 64 6e 73 06 67 6f 6f' +
-    '67 6c 65 00 00 01 00 01 00 01 51 80 00 04 08 08' +
-    '08 08 c0 7e 00 01 00 01 00 01 51 80 00 04 08 08' +
-    '04 04 c0 7e 00 1c 00 01 00 01 51 80 00 10 20 01' +
-    '48 60 48 60 00 00 00 00 00 00 00 00 88 88 c0 7e' +
-    '00 1c 00 01 00 01 51 80 00 10 20 01 48 60 48 60' +
-    '00 00 00 00 00 00 00 00 88 44'
-  )
-
-  const expected = {
-    id: 53392,
-    type: 'response',
-    flags: 1408,
-    flag_qr: true,
-    opcode: 'QUERY',
-    flag_aa: true,
-    flag_tc: false,
-    flag_rd: true,
-    flag_ra: true,
-    flag_z: false,
-    flag_ad: false,
-    flag_cd: false,
-    rcode: 'NOERROR',
-    questions: [
-      {
-        name: '_dns.resolver.arpa',
-        type: 'SVCB',
-        class: 'IN'
-      }
-    ],
-    answers: [
-      {
-        name: '_dns.resolver.arpa',
-        type: 'SVCB',
-        ttl: 86400,
-        class: 'IN',
-        flush: false,
-        data: {
-          priority: 1,
-          name: 'dns.google',
-          values: {
-            alpn: [
-              'dot'
-            ]
-          }
-        }
-      },
-      {
-        name: '_dns.resolver.arpa',
-        type: 'SVCB',
-        ttl: 86400,
-        class: 'IN',
-        flush: false,
-        data: {
-          priority: 2,
-          name: 'dns.google',
-          values: {
-            alpn: [
-              'h2',
-              'h3'
-            ],
-            dohpath: '/dns-query{?dns}'
-          }
-        }
-      }
-    ],
-    authorities: [],
-    additionals: [
-      {
-        name: 'dns.google',
-        type: 'A',
-        ttl: 86400,
-        class: 'IN',
-        flush: false,
-        data: '8.8.8.8'
-      },
-      {
-        name: 'dns.google',
-        type: 'A',
-        ttl: 86400,
-        class: 'IN',
-        flush: false,
-        data: '8.8.4.4'
-      },
-      {
-        name: 'dns.google',
-        type: 'AAAA',
-        ttl: 86400,
-        class: 'IN',
-        flush: false,
-        data: '2001:4860:4860::8888'
-      },
-      {
-        name: 'dns.google',
-        type: 'AAAA',
-        ttl: 86400,
-        class: 'IN',
-        flush: false,
-        data: '2001:4860:4860::8844'
-      }
-    ]
-  }
-
-  const decodedSvcb = packet.decode(svcbBuf)
-  t.ok(decodedSvcb, 'google real world svcb decoded')
-  if (debugHttps) {
-    console.log(`google real world svcb: decodedSvcb:`)
-    console.log(JSON.stringify(decodedSvcb, null, 2))
-  }
-  t.ok(compare(t, decodedSvcb, expected), 'google real world svcb compare')
-
-  // now test encoding and decoding the individual answer data
-  for (let answer of expected.answers) {
-    const encodedData = packet.svcb.encode(answer.data)
-    const decodedData = packet.svcb.decode(encodedData)
-    t.ok(compare(t, answer.data, decodedData), 'google real world answer recode')
-  }
-
-  t.end()
-})
-
-// </HTTPS SVCB test cases>
-
 tape('unpack', function (t) {
   const buf = Buffer.from([
     0x00, 0x79,

types.js

@@ -45,8 +45,6 @@ exports.toString = function (type) {
     case 252: return 'AXFR'
     case 251: return 'IXFR'
     case 41: return 'OPT'
-    case 64: return 'SVCB'
-    case 65: return 'HTTPS'
     case 255: return 'ANY'
   }
   return 'UNKNOWN_' + type
@@ -97,8 +95,6 @@ exports.toType = function (name) {
     case 'AXFR': return 252
     case 'IXFR': return 251
     case 'OPT': return 41
-    case 'SVCB': return 64
-    case 'HTTPS': return 65
     case 'ANY': return 255
     case '*': return 255
   }