a3957273
GitHub
commit
1b53b8d23f
@ -234,6 +234,7 @@
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"Parse User Agent",
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"Parse IP range",
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"Parse IPv6 address",
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"IPv6 Transition Addresses",
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"Parse IPv4 header",
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"Strip IPv4 header",
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"Parse TCP",
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209
src/core/operations/IPv6TransitionAddresses.mjs
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209
src/core/operations/IPv6TransitionAddresses.mjs
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@ -0,0 +1,209 @@
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/**
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* @author jb30795 [jb30795@proton.me]
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* @copyright Crown Copyright 2024
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* @license Apache-2.0
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*/
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import Operation from "../Operation.mjs";
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/**
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* IPv6 Transition Addresses operation
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*/
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class IPv6TransitionAddresses extends Operation {
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/**
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* IPv6TransitionAddresses constructor
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*/
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constructor() {
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super();
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this.name = "IPv6 Transition Addresses";
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this.module = "Default";
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this.description = "Converts IPv4 addresses to their IPv6 Transition addresses. IPv6 Transition addresses can also be converted back into their original IPv4 address. MAC addresses can also be converted into the EUI-64 format, this can them be appended to your IPv6 /64 range to obtain a full /128 address.<br><br>Transition technologies enable translation between IPv4 and IPv6 addresses or tunneling to allow traffic to pass through the incompatible network, allowing the two standards to coexist.<br><br>Only /24 ranges and currently handled. Remove headers to easily copy out results.";
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this.infoURL = "https://wikipedia.org/wiki/IPv6_transition_mechanism";
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this.inputType = "string";
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this.outputType = "string";
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this.args = [
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{
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"name": "Ignore ranges",
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"type": "boolean",
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"value": true
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},
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{
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"name": "Remove headers",
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"type": "boolean",
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"value": false
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}
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];
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}
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/**
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run(input, args) {
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const XOR = {"0": "2", "1": "3", "2": "0", "3": "1", "4": "6", "5": "7", "6": "4", "7": "5", "8": "a", "9": "b", "a": "8", "b": "9", "c": "e", "d": "f", "e": "c", "f": "d"};
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/**
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* Function to convert to hex
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*/
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function hexify(octet) {
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return Number(octet).toString(16).padStart(2, "0");
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}
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/**
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* Function to convert Hex to Int
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*/
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function intify(hex) {
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return parseInt(hex, 16);
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}
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/**
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* Function converts IPv4 to IPv6 Transtion address
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*/
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function ipTransition(input, range) {
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let output = "";
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const HEXIP = input.split(".");
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/**
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* 6to4
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*/
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if (!args[1]) {
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output += "6to4: ";
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}
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output += "2002:" + hexify(HEXIP[0]) + hexify(HEXIP[1]) + ":" + hexify(HEXIP[2]);
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if (range) {
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output += "00::/40\n";
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} else {
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output += hexify(HEXIP[3]) + "::/48\n";
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}
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/**
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* Mapped
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*/
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if (!args[1]) {
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output += "IPv4 Mapped: ";
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}
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output += "::ffff:" + hexify(HEXIP[0]) + hexify(HEXIP[1]) + ":" + hexify(HEXIP[2]);
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if (range) {
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output += "00/120\n";
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} else {
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output += hexify(HEXIP[3]) + "\n";
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}
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/**
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* Translated
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*/
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if (!args[1]) {
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output += "IPv4 Translated: ";
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}
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output += "::ffff:0:" + hexify(HEXIP[0]) + hexify(HEXIP[1]) + ":" + hexify(HEXIP[2]);
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if (range) {
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output += "00/120\n";
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} else {
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output += hexify(HEXIP[3]) + "\n";
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}
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/**
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* Nat64
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*/
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if (!args[1]) {
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output += "Nat 64: ";
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}
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output += "64:ff9b::" + hexify(HEXIP[0]) + hexify(HEXIP[1]) + ":" + hexify(HEXIP[2]);
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if (range) {
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output += "00/120\n";
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} else {
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output += hexify(HEXIP[3]) + "\n";
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}
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return output;
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}
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/**
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* Convert MAC to EUI-64
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*/
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function macTransition(input) {
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let output = "";
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const MACPARTS = input.split(":");
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if (!args[1]) {
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output += "EUI-64 Interface ID: ";
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}
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const MAC = MACPARTS[0] + MACPARTS[1] + ":" + MACPARTS[2] + "ff:fe" + MACPARTS[3] + ":" + MACPARTS[4] + MACPARTS[5];
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output += MAC.slice(0, 1) + XOR[MAC.slice(1, 2)] + MAC.slice(2);
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return output;
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}
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/**
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* Convert IPv6 address to its original IPv4 or MAC address
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*/
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function unTransition(input) {
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let output = "";
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let hextets = "";
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/**
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* 6to4
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*/
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if (input.startsWith("2002:")) {
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if (!args[1]) {
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output += "IPv4: ";
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}
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output += String(intify(input.slice(5, 7))) + "." + String(intify(input.slice(7, 9)))+ "." + String(intify(input.slice(10, 12)))+ "." + String(intify(input.slice(12, 14))) + "\n";
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} else if (input.startsWith("::ffff:") || input.startsWith("0000:0000:0000:0000:0000:ffff:") || input.startsWith("::ffff:0000:") || input.startsWith("0000:0000:0000:0000:ffff:0000:") || input.startsWith("64:ff9b::") || input.startsWith("0064:ff9b:0000:0000:0000:0000:")) {
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/**
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* Mapped/Translated/Nat64
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*/
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hextets = /:([0-9a-z]{1,4}):[0-9a-z]{1,4}$/.exec(input)[1].padStart(4, "0") + /:([0-9a-z]{1,4})$/.exec(input)[1].padStart(4, "0");
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if (!args[1]) {
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output += "IPv4: ";
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}
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output += intify(hextets.slice(-8, -7) + hextets.slice(-7, -6)) + "." +intify(hextets.slice(-6, -5) + hextets.slice(-5, -4)) + "." +intify(hextets.slice(-4, -3) + hextets.slice(-3, -2)) + "." +intify(hextets.slice(-2, -1) + hextets.slice(-1,)) + "\n";
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} else if (input.slice(-12, -7).toUpperCase() === "FF:FE") {
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/**
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* EUI-64
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*/
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if (!args[1]) {
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output += "Mac Address: ";
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}
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const MAC = (input.slice(-19, -17) + ":" + input.slice(-17, -15) + ":" + input.slice(-14, -12) + ":" + input.slice(-7, -5) + ":" + input.slice(-4, -2) + ":" + input.slice(-2,)).toUpperCase();
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output += MAC.slice(0, 1) + XOR[MAC.slice(1, 2)] + MAC.slice(2) + "\n";
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}
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return output;
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}
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/**
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* Main
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*/
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let output = "";
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let inputs = input.split("\n");
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// Remove blank rows
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inputs = inputs.filter(Boolean);
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for (let i = 0; i < inputs.length; i++) {
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// if ignore ranges is checked and input is a range, skip
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if ((args[0] && !inputs[i].includes("/")) || (!args[0])) {
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if (/^[0-9]{1,3}(?:\.[0-9]{1,3}){3}$/.test(inputs[i])) {
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output += ipTransition(inputs[i], false);
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} else if (/\/24$/.test(inputs[i])) {
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output += ipTransition(inputs[i], true);
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} else if (/^([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2}$/.test(inputs[i])) {
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output += macTransition(inputs[i]);
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} else if (/^((?:[0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,7}:|(?:[0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,5}(?::[0-9a-fA-F]{1,4}){1,2}|(?:[0-9a-fA-F]{1,4}:){1,4}(?::[0-9a-fA-F]{1,4}){1,3}|(?:[0-9a-fA-F]{1,4}:){1,3}(?::[0-9a-fA-F]{1,4}){1,4}|(?:[0-9a-fA-F]{1,4}:){1,2}(?::[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:(?:(?::[0-9a-fA-F]{1,4}){1,6})|:(?:(?::[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(?::[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(?:ffff(?::0{1,4}){0,1}:){0,1}(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])|(?:[0-9a-fA-F]{1,4}:){1,4}:(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9]))$/.test(inputs[i])) {
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output += unTransition(inputs[i]);
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} else {
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output = "Enter compressed or expanded IPv6 address, IPv4 address or MAC Address.";
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}
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}
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}
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return output;
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}
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}
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export default IPv6TransitionAddresses;
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63
tests/operations/tests/IPv6Transition.mjs
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63
tests/operations/tests/IPv6Transition.mjs
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@ -0,0 +1,63 @@
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/**
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* IPv6Transition tests.
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*
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* @author jb30795
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*
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* @copyright Crown Copyright 2024
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* @license Apache-2.0
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*/
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import TestRegister from "../../lib/TestRegister.mjs";
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TestRegister.addTests([
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{
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name: "IPv6 Transition: IPv4 to IPv6",
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input: "198.51.100.7",
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expectedOutput: "6to4: 2002:c633:6407::/48\nIPv4 Mapped: ::ffff:c633:6407\nIPv4 Translated: ::ffff:0:c633:6407\nNat 64: 64:ff9b::c633:6407",
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recipeConfig: [
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{
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op: "IPv6 Transition Addresses",
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args: [true, false],
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},
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],
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}, {
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name: "IPv6 Transition: IPv4 /24 Range to IPv6",
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input: "198.51.100.0/24",
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expectedOutput: "6to4: 2002:c633:6400::/40\nIPv4 Mapped: ::ffff:c633:6400/120\nIPv4 Translated: ::ffff:0:c633:6400/120\nNat 64: 64:ff9b::c633:6400/120",
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recipeConfig: [
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{
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op: "IPv6 Transition Addresses",
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args: [false, false],
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},
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],
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}, {
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name: "IPv6 Transition: IPv4 to IPv6 Remove headers",
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input: "198.51.100.7",
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expectedOutput: "2002:c633:6407::/48\n::ffff:c633:6407\n::ffff:0:c633:6407\n64:ff9b::c633:6407",
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recipeConfig: [
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{
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op: "IPv6 Transition Addresses",
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args: [true, true],
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},
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],
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}, {
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name: "IPv6 Transition: IPv6 to IPv4",
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input: "64:ff9b::c633:6407",
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expectedOutput: "IPv4: 198.51.100.7",
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recipeConfig: [
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{
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op: "IPv6 Transition Addresses",
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args: [true, false],
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},
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],
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}, {
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name: "IPv6 Transition: MAC to EUI-64",
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input: "a1:b2:c3:d4:e5:f6",
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expectedOutput: "EUI-64 Interface ID: a3b2:c3ff:fed4:e5f6",
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recipeConfig: [
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{
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op: "IPv6 Transition Addresses",
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args: [true, false],
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},
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],
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},
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]);
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Block a user