test/parallel/test-tls-hello-parser-failure.js

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'use strict';

const common = require('../common');
const fixtures = require('../common/fixtures');

// This test ensures that the tls parser causes a client error if the client
// sends invalid data.

if (!common.hasCrypto)
  common.skip('missing crypto');

const assert = require('assert');
const tls = require('tls');

const net = require('net');

const options = {
  key: fixtures.readSync('test_key.pem'),
  cert: fixtures.readSync('test_cert.pem')
};

const bonkers = Buffer.alloc(1024 * 1024, 42);

const server = tls.createServer(options, function(c) {

}).listen(0, common.mustCall(function() {
  const client = net.connect(this.address().port, common.mustCall(function() {
    client.write(bonkers);
  }));

  const writeAgain = setImmediate(function() {
    client.write(bonkers);
  });

  client.once('error', common.mustCall(function(err) {
    clearImmediate(writeAgain);
    client.destroy();
    server.close();
  }));

  client.on('close', common.mustCall(function(hadError) {
    // Confirm that client errored
    assert.strictEqual(hadError, true);
  }));
}));