tedious/lib/token/sspi-token-parser.js

A TDS driver, for connecting to MS SQLServer databases.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _token = require("./token");

function parseChallenge(buffer) {
  const challenge = {};
  challenge.magic = buffer.slice(0, 8).toString('utf8');
  challenge.type = buffer.readInt32LE(8);
  challenge.domainLen = buffer.readInt16LE(12);
  challenge.domainMax = buffer.readInt16LE(14);
  challenge.domainOffset = buffer.readInt32LE(16);
  challenge.flags = buffer.readInt32LE(20);
  challenge.nonce = buffer.slice(24, 32);
  challenge.zeroes = buffer.slice(32, 40);
  challenge.targetLen = buffer.readInt16LE(40);
  challenge.targetMax = buffer.readInt16LE(42);
  challenge.targetOffset = buffer.readInt32LE(44);
  challenge.oddData = buffer.slice(48, 56);
  challenge.domain = buffer.slice(56, 56 + challenge.domainLen).toString('ucs2');
  challenge.target = buffer.slice(56 + challenge.domainLen, 56 + challenge.domainLen + challenge.targetLen);
  return challenge;
}

function sspiParser(parser, _options, callback) {
  parser.readUsVarByte(buffer => {
    callback(new _token.SSPIToken(parseChallenge(buffer), buffer));
  });
}

var _default = sspiParser;
exports.default = _default;
module.exports = sspiParser;
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