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81 lines
2.2 KiB
JavaScript
81 lines
2.2 KiB
JavaScript
import Core from './core.js'
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/** Unsupported -- use at your own risk!! */
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export default class tribes1master extends Core {
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constructor () {
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super()
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this.encoding = 'latin1'
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}
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async run (state) {
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const queryBuffer = Buffer.from([
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0x10, // standard header
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0x03, // dump servers
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0xff, // ask for all packets
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0x00, // junk
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0x01, 0x02 // challenge
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])
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const parts = new Map()
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let total = 0
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const full = await this.udpSend(queryBuffer, (buffer) => {
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const reader = this.reader(buffer)
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const header = reader.uint(2)
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if (header !== 0x0610) {
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this.logger.debug('Header response does not match: ' + header.toString(16))
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return
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}
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const num = reader.uint(1)
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const t = reader.uint(1)
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if (t <= 0 || (total > 0 && t !== total)) {
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throw new Error('Conflicting packet total: ' + t)
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}
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total = t
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if (num < 1 || num > total) {
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this.logger.debug('Invalid packet number: ' + num + ' ' + total)
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return
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}
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if (parts.has(num)) {
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this.logger.debug('Duplicate part: ' + num)
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return
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}
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reader.skip(2) // challenge (0x0201)
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reader.skip(2) // always 0x6600
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parts.set(num, reader.rest())
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if (parts.size === total) {
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const ordered = []
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for (let i = 1; i <= total; i++) ordered.push(parts.get(i))
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return Buffer.concat(ordered)
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}
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})
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const fullReader = this.reader(full)
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state.raw.name = this.readString(fullReader)
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state.raw.motd = this.readString(fullReader)
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state.raw.servers = []
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while (!fullReader.done()) {
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fullReader.skip(1) // junk ?
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const count = fullReader.uint(1)
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for (let i = 0; i < count; i++) {
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const six = fullReader.uint(1)
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if (six !== 6) {
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throw new Error('Expecting 6')
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}
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const ip = fullReader.uint(4)
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const port = fullReader.uint(2)
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const ipStr = (ip & 255) + '.' + (ip >> 8 & 255) + '.' + (ip >> 16 & 255) + '.' + (ip >>> 24)
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state.raw.servers.push(ipStr + ':' + port)
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}
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}
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}
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readString (reader) {
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return reader.pascalString(1)
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}
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}
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