Merge branch 'creationix/add-missing-dns-types' into 'master'

Add missing dns type IDs to mapping table

See merge request !2

dns.types.js

@@ -2,22 +2,55 @@
 'use strict';
 
 var types = exports.DNS_TYPES = {
-  A: 			0x01	//   1
-, NS: 		0x02  //   2
-, CNAME: 	0x05  //   5
-, SOA: 		0x06  //   6
-, PTR: 		0x0c  //  12
-, MX: 		0x0f  //  15
-, TXT: 		0x10  //  16
-, AAAA: 	0x1c  //  28
-, SRV: 		0x21  //  33
-, OPT: 		0x29  //  41
-, ANY: 		0xff  // 255
+  A:           0x1 // 1
+, NS:          0x2 // 2
+, CNAME:       0x5 // 5
+, SOA:         0x6 // 6
+, NULL:        0xa // 10
+, PTR:         0xc // 12
+, HINFO:       0xd // 13
+, MX:          0xf // 15
+, TXT:        0x10 // 16
+, RP:         0x11 // 17
+, AFSDB:      0x12 // 18
+, SIG:        0x18 // 24
+, KEY:        0x19 // 25
+, AAAA:       0x1c // 28
+, LOC:        0x1d // 29
+, SRV:        0x21 // 33
+, NAPTR:      0x23 // 35
+, KX:         0x24 // 36
+, CERT:       0x25 // 37
+, DNAME:      0x27 // 39
+, OPT:        0x29 // 41
+, APL:        0x2a // 42
+, DS:         0x2b // 43
+, SSHFP:      0x2c // 44
+, IPSECKEY:   0x2d // 45
+, RRSIG:      0x2e // 46
+, NSEC:       0x2f // 47
+, DNSKEY:     0x30 // 48
+, DHCID:      0x31 // 49
+, NSEC3:      0x32 // 50
+, NSEC3PARAM: 0x33 // 51
+, TLSA:       0x34 // 52
+, HIP:        0x37 // 55
+, CDS:        0x3b // 59
+, CDNSKEY:    0x3c // 60
+, SPF:        0x63 // 99
+, TKEY:       0xf9 // 249
+, TSIG:       0xfa // 250
+, IXFR:       0xfb // 251
+, AXFR:       0xfc // 252
+, ANY:        0xff // 255
+, CAA:       0x101 // 257
+, TA:       0x8000 // 32768
+, DLV:      0x8001 // 32769
 };
 
 // and in reverse
-Object.keys(types).forEach(function (key) {
+for (var key in types) {
   types[types[key]] = key;
-});
+}
 
 }('undefined' !== typeof window ? window : exports));

parser/type.caa.js

@@ -0,0 +1,44 @@
+(function (exports) {
+'use strict';
+
+// A Certification Authority Authorization (CAA) record is used to specify which
+// certificate authorities (CAs) are allowed to issue certificates for a domain.
+
+// Value    Meaning/Use
+//
+// Flag     An unsigned integer between 0-255.
+//          It is currently used to represent the critical flag, that has a
+//          specific meaning per RFC 6844
+// Tag      An ASCII string that represents the identifier of the property
+//          represented by the record.
+// Value    The value associated with the tag.
+
+// The RFC currently defines 3 available tags:
+//
+// - issue:     explicity authorizes a single certificate authority to issue a
+//              certificate (any type) for the hostname.
+// - issuewild: explicity authorizes a single certificate authority to issue a
+//              wildcard certificate (and only wildcard) for the hostname.
+// - iodef:     specifies an URL to which a certificate authority may report
+//              policy violations.
+
+exports.DNS_PARSER_TYPE_CAA = function (ab, packet, record) {
+
+  var data = new Uint8Array(ab);
+  var i = record.rdstart;
+  var flag = data[i++];
+  var mid = data[i++];
+  mid += i;
+  var end = record.rdstart + record.rdlength;
+  var tag = '', value = '';
+  while (i < mid) { tag += String.fromCharCode(data[i++]); }
+  while (i < end) { value += String.fromCharCode(data[i++]); }
+
+  record.flag = flag;
+  record.tag = tag;
+  record.value = value;
+
+  return record;
+};
+
+}('undefined' !== typeof window ? window : exports));