[pull] main from ikxin:main

node-vlmcs/package.json

@@ -2,7 +2,16 @@
   "name": "node-vlmcs",
   "version": "1.0.0",
   "description": "Node.js implementation of vlmcs KMS client",
-  "main": "dist/cli.js",
+  "main": "dist/index.js",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js",
+      "require": "./dist/index.js"
+    },
+    "./cli": "./dist/cli.js"
+  },
+  "types": "dist/index.d.ts",
   "bin": {
     "vlmcs": "dist/cli.js"
   },

node-vlmcs/src/index.ts

@@ -0,0 +1,377 @@
+import * as net from 'net'
+import { KmsData } from './data'
+import {
+  guidToBuffer,
+  stringToGuidLE,
+  utf8ToUcs2,
+  ucs2ToUtf8,
+  unixTimeToFileTime,
+  PID_BUFFER_SIZE,
+  WORKSTATION_NAME_BUFFER,
+} from './types'
+import {
+  createRequestV4,
+  createRequestV6,
+  decryptResponseV4,
+  decryptResponseV6,
+} from './kms'
+import { rpcBindClient, rpcSendRequest } from './rpc'
+import { get16RandomBytes } from './crypto'
+import { connectToAddress } from './network'
+import { logRequestVerbose, logResponseVerbose } from './output'
+
+const DEFAULT_TIMEOUT_MS = 5 * 1000
+
+export interface VlmcsCheckParams {
+  host: string
+  port?: number
+  protocol?: number
+  edition?: number
+  timeout?: number
+  verbose?: boolean
+}
+
+export interface VlmcsCheckResult {
+  host: string
+  content: string
+  delay: number
+  status: boolean
+}
+
+function connectSocket(
+  host: string,
+  port: number,
+  timeout: number,
+): Promise<net.Socket> {
+  return new Promise((resolve, reject) => {
+    const socket = net.createConnection({ host, port })
+
+    const cleanup = () => {
+      socket.removeAllListeners('connect')
+      socket.removeAllListeners('error')
+      socket.removeAllListeners('timeout')
+    }
+
+    socket.once('connect', () => {
+      cleanup()
+      socket.pause()
+      resolve(socket)
+    })
+
+    socket.once('error', err => {
+      cleanup()
+      socket.destroy()
+      reject(err)
+    })
+
+    socket.setTimeout(timeout, () => {
+      cleanup()
+      socket.destroy()
+      reject(new Error(`Connection timeout after ${timeout}ms`))
+    })
+  })
+}
+
+function normalizeEdition(edition: number): number {
+  const raw = Number(edition)
+  if (!Number.isFinite(raw)) return 1
+  const normalized = Math.floor(raw)
+  if (normalized < 1 || normalized > KmsData.skuItems.length) return 1
+  return normalized
+}
+
+function normalizeProtocol(
+  protocol: number | undefined,
+  fallback: number,
+): number {
+  const raw = Number(protocol)
+  if (!Number.isFinite(raw)) return fallback
+  const normalized = Math.floor(raw)
+  if (normalized < 4 || normalized > 6) return fallback
+  return normalized
+}
+
+function randomWorkstationName(): string {
+  const alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+  const size = Math.floor(Math.random() * 12) + 6
+  let name = 'KMS-'
+  for (let i = 0; i < size; i++) {
+    name += alphabet[Math.floor(Math.random() * alphabet.length)]
+  }
+  return name.slice(0, 63)
+}
+
+function buildRequest({
+  protocol,
+  edition,
+}: {
+  protocol: number
+  edition: number
+}): Buffer {
+  const sku = KmsData.skuItems[edition - 1]
+  const kms = KmsData.kmsItems[sku.kmsIndex]
+  const app = KmsData.appItems[sku.appIndex]
+
+  const request = Buffer.alloc(236)
+  request.writeUInt16LE(0, 0)
+  request.writeUInt16LE(protocol, 2)
+  request.writeUInt32LE(0, 4)
+  request.writeUInt32LE(0x02, 8)
+  request.writeUInt32LE(43200, 12)
+
+  guidToBuffer(stringToGuidLE(app.guid)!).copy(request, 16)
+  guidToBuffer(stringToGuidLE(sku.guid)!).copy(request, 32)
+  guidToBuffer(stringToGuidLE(kms.guid)!).copy(request, 48)
+
+  const cmid = get16RandomBytes()
+  cmid[8] = (cmid[8] & 0x3f) | 0x80
+  const d3 = cmid.readUInt16LE(6)
+  cmid.writeUInt16LE((d3 & 0x0fff) | 0x4000, 6)
+  cmid.copy(request, 64)
+
+  request.writeUInt32LE(sku.nCountPolicy, 80)
+  unixTimeToFileTime().copy(request, 84)
+  request.fill(0, 92, 108)
+
+  utf8ToUcs2(randomWorkstationName(), WORKSTATION_NAME_BUFFER).copy(
+    request,
+    108,
+  )
+  return request
+}
+
+interface ParsedKmsResult {
+  status: boolean
+  summary: string
+  ePID: string
+  hwid: Buffer
+  response: any
+}
+
+function parseKmsResponse(
+  rawResponse: Buffer,
+  rawRequest: Buffer,
+): ParsedKmsResult {
+  const responseMajorVersion = rawResponse.readUInt16LE(2)
+
+  if (responseMajorVersion === 4) {
+    const { response, result } = decryptResponseV4(rawResponse, rawRequest)
+    if (!result.decryptSuccess || !result.hashOK || !result.versionOK) {
+      return {
+        summary: 'Invalid KMS V4 response',
+        status: false,
+        ePID: '',
+        hwid: Buffer.alloc(8),
+        response,
+      }
+    }
+    const ePID = ucs2ToUtf8(response.kmsPID, PID_BUFFER_SIZE)
+    return {
+      summary: ePID,
+      status: true,
+      ePID,
+      hwid: Buffer.alloc(8),
+      response,
+    }
+  }
+
+  const { response, result, hwid } = decryptResponseV6(rawResponse, rawRequest)
+  if (!result.decryptSuccess || !result.hashOK || !result.versionOK) {
+    return {
+      summary: 'Invalid KMS V5/V6 response',
+      status: false,
+      ePID: '',
+      hwid,
+      response,
+    }
+  }
+
+  const ePID = ucs2ToUtf8(response.kmsPID, PID_BUFFER_SIZE)
+  if (response.majorVer > 5) {
+    const hwidHex = Array.from(hwid.subarray(0, 8))
+      .map(b => b.toString(16).toUpperCase().padStart(2, '0'))
+      .join('')
+    return {
+      summary: `${ePID} (${hwidHex})`,
+      status: true,
+      ePID,
+      hwid,
+      response,
+    }
+  }
+
+  return {
+    summary: ePID,
+    status: true,
+    ePID,
+    hwid,
+    response,
+  }
+}
+
+function chunkToString(chunk: unknown): string {
+  if (typeof chunk === 'string') return chunk
+  if (Buffer.isBuffer(chunk)) return chunk.toString('utf8')
+  return String(chunk)
+}
+
+async function captureVerboseOutput<T>(fn: () => Promise<T>): Promise<{
+  result: T
+  output: string
+}> {
+  let output = ''
+
+  const originalStdoutWrite = process.stdout.write
+  const originalStderrWrite = process.stderr.write
+  const originalConsoleLog = console.log
+  const originalConsoleError = console.error
+
+  ;(process.stdout.write as any) = ((chunk: unknown, ...args: unknown[]) => {
+    output += chunkToString(chunk)
+    const callback = args.find(arg => typeof arg === 'function') as
+      | ((error?: Error | null) => void)
+      | undefined
+    callback?.(null)
+    return true
+  }) as typeof process.stdout.write
+  ;(process.stderr.write as any) = ((chunk: unknown, ...args: unknown[]) => {
+    output += chunkToString(chunk)
+    const callback = args.find(arg => typeof arg === 'function') as
+      | ((error?: Error | null) => void)
+      | undefined
+    callback?.(null)
+    return true
+  }) as typeof process.stderr.write
+
+  console.log = (...args: unknown[]) => {
+    output += `${args.map(chunkToString).join(' ')}\n`
+  }
+
+  console.error = (...args: unknown[]) => {
+    output += `${args.map(chunkToString).join(' ')}\n`
+  }
+
+  try {
+    const result = await fn()
+    return { result, output: output.trimEnd() }
+  } finally {
+    process.stdout.write = originalStdoutWrite
+    process.stderr.write = originalStderrWrite
+    console.log = originalConsoleLog
+    console.error = originalConsoleError
+  }
+}
+
+export async function runVlmcs(
+  params: VlmcsCheckParams,
+): Promise<VlmcsCheckResult> {
+  const { host, timeout = DEFAULT_TIMEOUT_MS, verbose = false } = params
+  const portRaw = Number(params.port ?? 1688)
+  const port = Number.isFinite(portRaw) ? Math.floor(portRaw) : 1688
+  const edition = normalizeEdition(Number(params.edition ?? 1))
+
+  const sku = KmsData.skuItems[edition - 1]
+  const protocol = normalizeProtocol(params.protocol, sku.protocolVersion)
+
+  const startedAt = Date.now()
+  let socket: net.Socket | null = null
+
+  const executeCheck = async (): Promise<VlmcsCheckResult> => {
+    try {
+      const requestBase = buildRequest({ protocol, edition })
+
+      if (verbose) {
+        logRequestVerbose(requestBase)
+      }
+
+      socket = verbose
+        ? await connectToAddress(`${host}:${port}`, 0, false)
+        : await connectSocket(host, port, timeout)
+
+      if (verbose) {
+        process.stdout.write('\nPerforming RPC bind ...\n')
+      }
+
+      const bind = await rpcBindClient(socket, verbose, true, true, true)
+      if (bind.status !== 0) {
+        return {
+          host,
+          status: false,
+          delay: -1,
+          content: `RPC bind failed: ${bind.status}`,
+        }
+      }
+
+      if (verbose) {
+        process.stdout.write('... successful\n')
+      }
+
+      const request =
+        protocol < 5
+          ? createRequestV4(requestBase)
+          : createRequestV6(requestBase)
+
+      if (verbose) {
+        process.stdout.write(
+          `Sending activation request (KMS V${protocol}) 1 of 1 `,
+        )
+      }
+
+      const rpcResult = await rpcSendRequest(
+        socket,
+        request,
+        bind.rpcFlags,
+        true,
+        false,
+      )
+
+      if (rpcResult.status !== 0 || !rpcResult.kmsResponse) {
+        return {
+          host,
+          status: false,
+          delay: -1,
+          content: `KMS request failed: 0x${(rpcResult.status >>> 0).toString(16).toUpperCase().padStart(8, '0')}`,
+        }
+      }
+
+      const parsed = parseKmsResponse(rpcResult.kmsResponse, request)
+
+      if (verbose && parsed.status) {
+        logResponseVerbose(
+          parsed.ePID,
+          parsed.hwid,
+          parsed.response,
+          rpcResult.kmsResponse.length,
+        )
+      }
+
+      return {
+        host,
+        status: parsed.status,
+        delay: parsed.status ? Date.now() - startedAt : -1,
+        content: parsed.summary,
+      }
+    } catch (error) {
+      return {
+        host,
+        status: false,
+        delay: -1,
+        content: error instanceof Error ? error.message : String(error),
+      }
+    } finally {
+      if (socket) {
+        socket.destroy()
+      }
+    }
+  }
+
+  if (!verbose) {
+    return executeCheck()
+  }
+
+  const { result, output } = await captureVerboseOutput(executeCheck)
+  return {
+    ...result,
+    content: output || result.content,
+  }
+}