60 lines
1.7 KiB
JavaScript
60 lines
1.7 KiB
JavaScript
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/**
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2017
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* @license Apache-2.0
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*/
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import Operation from "../Operation";
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/**
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* Encode NetBIOS Name operation
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*/
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class EncodeNetBIOSName extends Operation {
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/**
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* EncodeNetBIOSName constructor
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*/
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constructor() {
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super();
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this.name = "Encode NetBIOS Name";
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this.module = "Default";
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this.description = "NetBIOS names as seen across the client interface to NetBIOS are exactly 16 bytes long. Within the NetBIOS-over-TCP protocols, a longer representation is used.<br><br>There are two levels of encoding. The first level maps a NetBIOS name into a domain system name. The second level maps the domain system name into the 'compressed' representation required for interaction with the domain name system.<br><br>This operation carries out the first level of encoding. See RFC 1001 for full details.";
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this.inputType = "byteArray";
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this.outputType = "byteArray";
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this.args = [
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{
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"name": "Offset",
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"type": "number",
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"value": 65
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}
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];
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}
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/**
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* @param {byteArray} input
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* @param {Object[]} args
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* @returns {byteArray}
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*/
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run(input, args) {
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const output = [],
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offset = args[0];
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if (input.length <= 16) {
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const len = input.length;
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input.length = 16;
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input.fill(32, len, 16);
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for (let i = 0; i < input.length; i++) {
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output.push((input[i] >> 4) + offset);
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output.push((input[i] & 0xf) + offset);
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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 EncodeNetBIOSName;
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