2 var expandIPv6, ipaddr, ipv4Part, ipv4Regexes, ipv6Part, ipv6Regexes, matchCIDR, root, zoneIndex;
8 if ((typeof module !== "undefined" && module !== null) && module.exports) {
9 module.exports = ipaddr;
11 root['ipaddr'] = ipaddr;
14 matchCIDR = function(first, second, partSize, cidrBits) {
16 if (first.length !== second.length) {
17 throw new Error("ipaddr: cannot match CIDR for objects with different lengths");
20 while (cidrBits > 0) {
21 shift = partSize - cidrBits;
25 if (first[part] >> shift !== second[part] >> shift) {
34 ipaddr.subnetMatch = function(address, rangeList, defaultName) {
35 var k, len, rangeName, rangeSubnets, subnet;
36 if (defaultName == null) {
37 defaultName = 'unicast';
39 for (rangeName in rangeList) {
40 rangeSubnets = rangeList[rangeName];
41 if (rangeSubnets[0] && !(rangeSubnets[0] instanceof Array)) {
42 rangeSubnets = [rangeSubnets];
44 for (k = 0, len = rangeSubnets.length; k < len; k++) {
45 subnet = rangeSubnets[k];
46 if (address.kind() === subnet[0].kind()) {
47 if (address.match.apply(address, subnet)) {
56 ipaddr.IPv4 = (function() {
57 function IPv4(octets) {
59 if (octets.length !== 4) {
60 throw new Error("ipaddr: ipv4 octet count should be 4");
62 for (k = 0, len = octets.length; k < len; k++) {
64 if (!((0 <= octet && octet <= 255))) {
65 throw new Error("ipaddr: ipv4 octet should fit in 8 bits");
71 IPv4.prototype.kind = function() {
75 IPv4.prototype.toString = function() {
76 return this.octets.join(".");
79 IPv4.prototype.toNormalizedString = function() {
80 return this.toString();
83 IPv4.prototype.toByteArray = function() {
84 return this.octets.slice(0);
87 IPv4.prototype.match = function(other, cidrRange) {
89 if (cidrRange === void 0) {
90 ref = other, other = ref[0], cidrRange = ref[1];
92 if (other.kind() !== 'ipv4') {
93 throw new Error("ipaddr: cannot match ipv4 address with non-ipv4 one");
95 return matchCIDR(this.octets, other.octets, 8, cidrRange);
98 IPv4.prototype.SpecialRanges = {
99 unspecified: [[new IPv4([0, 0, 0, 0]), 8]],
100 broadcast: [[new IPv4([255, 255, 255, 255]), 32]],
101 multicast: [[new IPv4([224, 0, 0, 0]), 4]],
102 linkLocal: [[new IPv4([169, 254, 0, 0]), 16]],
103 loopback: [[new IPv4([127, 0, 0, 0]), 8]],
104 carrierGradeNat: [[new IPv4([100, 64, 0, 0]), 10]],
105 "private": [[new IPv4([10, 0, 0, 0]), 8], [new IPv4([172, 16, 0, 0]), 12], [new IPv4([192, 168, 0, 0]), 16]],
106 reserved: [[new IPv4([192, 0, 0, 0]), 24], [new IPv4([192, 0, 2, 0]), 24], [new IPv4([192, 88, 99, 0]), 24], [new IPv4([198, 51, 100, 0]), 24], [new IPv4([203, 0, 113, 0]), 24], [new IPv4([240, 0, 0, 0]), 4]]
109 IPv4.prototype.range = function() {
110 return ipaddr.subnetMatch(this, this.SpecialRanges);
113 IPv4.prototype.toIPv4MappedAddress = function() {
114 return ipaddr.IPv6.parse("::ffff:" + (this.toString()));
117 IPv4.prototype.prefixLengthFromSubnetMask = function() {
118 var cidr, i, k, octet, stop, zeros, zerotable;
132 for (i = k = 3; k >= 0; i = k += -1) {
133 octet = this.octets[i];
134 if (octet in zerotable) {
135 zeros = zerotable[octet];
136 if (stop && zeros !== 0) {
154 ipv4Part = "(0?\\d+|0x[a-f0-9]+)";
157 fourOctet: new RegExp("^" + ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part + "$", 'i'),
158 longValue: new RegExp("^" + ipv4Part + "$", 'i')
161 ipaddr.IPv4.parser = function(string) {
162 var match, parseIntAuto, part, shift, value;
163 parseIntAuto = function(string) {
164 if (string[0] === "0" && string[1] !== "x") {
165 return parseInt(string, 8);
167 return parseInt(string);
170 if (match = string.match(ipv4Regexes.fourOctet)) {
172 var k, len, ref, results;
173 ref = match.slice(1, 6);
175 for (k = 0, len = ref.length; k < len; k++) {
177 results.push(parseIntAuto(part));
181 } else if (match = string.match(ipv4Regexes.longValue)) {
182 value = parseIntAuto(match[1]);
183 if (value > 0xffffffff || value < 0) {
184 throw new Error("ipaddr: address outside defined range");
186 return ((function() {
189 for (shift = k = 0; k <= 24; shift = k += 8) {
190 results.push((value >> shift) & 0xff);
199 ipaddr.IPv6 = (function() {
200 function IPv6(parts, zoneId) {
201 var i, k, l, len, part, ref;
202 if (parts.length === 16) {
204 for (i = k = 0; k <= 14; i = k += 2) {
205 this.parts.push((parts[i] << 8) | parts[i + 1]);
207 } else if (parts.length === 8) {
210 throw new Error("ipaddr: ipv6 part count should be 8 or 16");
213 for (l = 0, len = ref.length; l < len; l++) {
215 if (!((0 <= part && part <= 0xffff))) {
216 throw new Error("ipaddr: ipv6 part should fit in 16 bits");
220 this.zoneId = zoneId;
224 IPv6.prototype.kind = function() {
228 IPv6.prototype.toString = function() {
229 return this.toNormalizedString().replace(/((^|:)(0(:|$))+)/, '::');
232 IPv6.prototype.toRFC5952String = function() {
233 var bestMatchIndex, bestMatchLength, match, regex, string;
234 regex = /((^|:)(0(:|$)){2,})/g;
235 string = this.toNormalizedString();
237 bestMatchLength = -1;
238 while ((match = regex.exec(string))) {
239 if (match[0].length > bestMatchLength) {
240 bestMatchIndex = match.index;
241 bestMatchLength = match[0].length;
244 if (bestMatchLength < 0) {
247 return string.substring(0, bestMatchIndex) + '::' + string.substring(bestMatchIndex + bestMatchLength);
250 IPv6.prototype.toByteArray = function() {
251 var bytes, k, len, part, ref;
254 for (k = 0, len = ref.length; k < len; k++) {
256 bytes.push(part >> 8);
257 bytes.push(part & 0xff);
262 IPv6.prototype.toNormalizedString = function() {
263 var addr, part, suffix;
264 addr = ((function() {
265 var k, len, ref, results;
268 for (k = 0, len = ref.length; k < len; k++) {
270 results.push(part.toString(16));
273 }).call(this)).join(":");
276 suffix = '%' + this.zoneId;
278 return addr + suffix;
281 IPv6.prototype.toFixedLengthString = function() {
282 var addr, part, suffix;
283 addr = ((function() {
284 var k, len, ref, results;
287 for (k = 0, len = ref.length; k < len; k++) {
289 results.push(part.toString(16).padStart(4, '0'));
292 }).call(this)).join(":");
295 suffix = '%' + this.zoneId;
297 return addr + suffix;
300 IPv6.prototype.match = function(other, cidrRange) {
302 if (cidrRange === void 0) {
303 ref = other, other = ref[0], cidrRange = ref[1];
305 if (other.kind() !== 'ipv6') {
306 throw new Error("ipaddr: cannot match ipv6 address with non-ipv6 one");
308 return matchCIDR(this.parts, other.parts, 16, cidrRange);
311 IPv6.prototype.SpecialRanges = {
312 unspecified: [new IPv6([0, 0, 0, 0, 0, 0, 0, 0]), 128],
313 linkLocal: [new IPv6([0xfe80, 0, 0, 0, 0, 0, 0, 0]), 10],
314 multicast: [new IPv6([0xff00, 0, 0, 0, 0, 0, 0, 0]), 8],
315 loopback: [new IPv6([0, 0, 0, 0, 0, 0, 0, 1]), 128],
316 uniqueLocal: [new IPv6([0xfc00, 0, 0, 0, 0, 0, 0, 0]), 7],
317 ipv4Mapped: [new IPv6([0, 0, 0, 0, 0, 0xffff, 0, 0]), 96],
318 rfc6145: [new IPv6([0, 0, 0, 0, 0xffff, 0, 0, 0]), 96],
319 rfc6052: [new IPv6([0x64, 0xff9b, 0, 0, 0, 0, 0, 0]), 96],
320 '6to4': [new IPv6([0x2002, 0, 0, 0, 0, 0, 0, 0]), 16],
321 teredo: [new IPv6([0x2001, 0, 0, 0, 0, 0, 0, 0]), 32],
322 reserved: [[new IPv6([0x2001, 0xdb8, 0, 0, 0, 0, 0, 0]), 32]]
325 IPv6.prototype.range = function() {
326 return ipaddr.subnetMatch(this, this.SpecialRanges);
329 IPv6.prototype.isIPv4MappedAddress = function() {
330 return this.range() === 'ipv4Mapped';
333 IPv6.prototype.toIPv4Address = function() {
335 if (!this.isIPv4MappedAddress()) {
336 throw new Error("ipaddr: trying to convert a generic ipv6 address to ipv4");
338 ref = this.parts.slice(-2), high = ref[0], low = ref[1];
339 return new ipaddr.IPv4([high >> 8, high & 0xff, low >> 8, low & 0xff]);
342 IPv6.prototype.prefixLengthFromSubnetMask = function() {
343 var cidr, i, k, part, stop, zeros, zerotable;
365 for (i = k = 7; k >= 0; i = k += -1) {
366 part = this.parts[i];
367 if (part in zerotable) {
368 zeros = zerotable[part];
369 if (stop && zeros !== 0) {
387 ipv6Part = "(?:[0-9a-f]+::?)+";
389 zoneIndex = "%[0-9a-z]{1,}";
392 zoneIndex: new RegExp(zoneIndex, 'i'),
393 "native": new RegExp("^(::)?(" + ipv6Part + ")?([0-9a-f]+)?(::)?(" + zoneIndex + ")?$", 'i'),
394 transitional: new RegExp(("^((?:" + ipv6Part + ")|(?:::)(?:" + ipv6Part + ")?)") + (ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part) + ("(" + zoneIndex + ")?$"), 'i')
397 expandIPv6 = function(string, parts) {
398 var colonCount, lastColon, part, replacement, replacementCount, zoneId;
399 if (string.indexOf('::') !== string.lastIndexOf('::')) {
402 zoneId = (string.match(ipv6Regexes['zoneIndex']) || [])[0];
404 zoneId = zoneId.substring(1);
405 string = string.replace(/%.+$/, '');
409 while ((lastColon = string.indexOf(':', lastColon + 1)) >= 0) {
412 if (string.substr(0, 2) === '::') {
415 if (string.substr(-2, 2) === '::') {
418 if (colonCount > parts) {
421 replacementCount = parts - colonCount;
423 while (replacementCount--) {
426 string = string.replace('::', replacement);
427 if (string[0] === ':') {
428 string = string.slice(1);
430 if (string[string.length - 1] === ':') {
431 string = string.slice(0, -1);
433 parts = (function() {
434 var k, len, ref, results;
435 ref = string.split(":");
437 for (k = 0, len = ref.length; k < len; k++) {
439 results.push(parseInt(part, 16));
449 ipaddr.IPv6.parser = function(string) {
450 var addr, k, len, match, octet, octets, zoneId;
451 if (ipv6Regexes['native'].test(string)) {
452 return expandIPv6(string, 8);
453 } else if (match = string.match(ipv6Regexes['transitional'])) {
454 zoneId = match[6] || '';
455 addr = expandIPv6(match[1].slice(0, -1) + zoneId, 6);
457 octets = [parseInt(match[2]), parseInt(match[3]), parseInt(match[4]), parseInt(match[5])];
458 for (k = 0, len = octets.length; k < len; k++) {
460 if (!((0 <= octet && octet <= 255))) {
464 addr.parts.push(octets[0] << 8 | octets[1]);
465 addr.parts.push(octets[2] << 8 | octets[3]);
475 ipaddr.IPv4.isIPv4 = ipaddr.IPv6.isIPv6 = function(string) {
476 return this.parser(string) !== null;
479 ipaddr.IPv4.isValid = function(string) {
482 new this(this.parser(string));
490 ipaddr.IPv4.isValidFourPartDecimal = function(string) {
491 if (ipaddr.IPv4.isValid(string) && string.match(/^(0|[1-9]\d*)(\.(0|[1-9]\d*)){3}$/)) {
498 ipaddr.IPv6.isValid = function(string) {
500 if (typeof string === "string" && string.indexOf(":") === -1) {
504 addr = this.parser(string);
505 new this(addr.parts, addr.zoneId);
513 ipaddr.IPv4.parse = function(string) {
515 parts = this.parser(string);
516 if (parts === null) {
517 throw new Error("ipaddr: string is not formatted like ip address");
519 return new this(parts);
522 ipaddr.IPv6.parse = function(string) {
524 addr = this.parser(string);
525 if (addr.parts === null) {
526 throw new Error("ipaddr: string is not formatted like ip address");
528 return new this(addr.parts, addr.zoneId);
531 ipaddr.IPv4.parseCIDR = function(string) {
532 var maskLength, match, parsed;
533 if (match = string.match(/^(.+)\/(\d+)$/)) {
534 maskLength = parseInt(match[2]);
535 if (maskLength >= 0 && maskLength <= 32) {
536 parsed = [this.parse(match[1]), maskLength];
537 Object.defineProperty(parsed, 'toString', {
539 return this.join('/');
545 throw new Error("ipaddr: string is not formatted like an IPv4 CIDR range");
548 ipaddr.IPv4.subnetMaskFromPrefixLength = function(prefix) {
549 var filledOctetCount, j, octets;
550 prefix = parseInt(prefix);
551 if (prefix < 0 || prefix > 32) {
552 throw new Error('ipaddr: invalid IPv4 prefix length');
554 octets = [0, 0, 0, 0];
556 filledOctetCount = Math.floor(prefix / 8);
557 while (j < filledOctetCount) {
561 if (filledOctetCount < 4) {
562 octets[filledOctetCount] = Math.pow(2, prefix % 8) - 1 << 8 - (prefix % 8);
564 return new this(octets);
567 ipaddr.IPv4.broadcastAddressFromCIDR = function(string) {
568 var cidr, error, i, ipInterfaceOctets, octets, subnetMaskOctets;
570 cidr = this.parseCIDR(string);
571 ipInterfaceOctets = cidr[0].toByteArray();
572 subnetMaskOctets = this.subnetMaskFromPrefixLength(cidr[1]).toByteArray();
576 octets.push(parseInt(ipInterfaceOctets[i], 10) | parseInt(subnetMaskOctets[i], 10) ^ 255);
579 return new this(octets);
582 throw new Error('ipaddr: the address does not have IPv4 CIDR format');
586 ipaddr.IPv4.networkAddressFromCIDR = function(string) {
587 var cidr, error, i, ipInterfaceOctets, octets, subnetMaskOctets;
589 cidr = this.parseCIDR(string);
590 ipInterfaceOctets = cidr[0].toByteArray();
591 subnetMaskOctets = this.subnetMaskFromPrefixLength(cidr[1]).toByteArray();
595 octets.push(parseInt(ipInterfaceOctets[i], 10) & parseInt(subnetMaskOctets[i], 10));
598 return new this(octets);
601 throw new Error('ipaddr: the address does not have IPv4 CIDR format');
605 ipaddr.IPv6.parseCIDR = function(string) {
606 var maskLength, match, parsed;
607 if (match = string.match(/^(.+)\/(\d+)$/)) {
608 maskLength = parseInt(match[2]);
609 if (maskLength >= 0 && maskLength <= 128) {
610 parsed = [this.parse(match[1]), maskLength];
611 Object.defineProperty(parsed, 'toString', {
613 return this.join('/');
619 throw new Error("ipaddr: string is not formatted like an IPv6 CIDR range");
622 ipaddr.isValid = function(string) {
623 return ipaddr.IPv6.isValid(string) || ipaddr.IPv4.isValid(string);
626 ipaddr.parse = function(string) {
627 if (ipaddr.IPv6.isValid(string)) {
628 return ipaddr.IPv6.parse(string);
629 } else if (ipaddr.IPv4.isValid(string)) {
630 return ipaddr.IPv4.parse(string);
632 throw new Error("ipaddr: the address has neither IPv6 nor IPv4 format");
636 ipaddr.parseCIDR = function(string) {
639 return ipaddr.IPv6.parseCIDR(string);
643 return ipaddr.IPv4.parseCIDR(string);
646 throw new Error("ipaddr: the address has neither IPv6 nor IPv4 CIDR format");
651 ipaddr.fromByteArray = function(bytes) {
653 length = bytes.length;
655 return new ipaddr.IPv4(bytes);
656 } else if (length === 16) {
657 return new ipaddr.IPv6(bytes);
659 throw new Error("ipaddr: the binary input is neither an IPv6 nor IPv4 address");
663 ipaddr.process = function(string) {
665 addr = this.parse(string);
666 if (addr.kind() === 'ipv6' && addr.isIPv4MappedAddress()) {
667 return addr.toIPv4Address();