Function test

test/parallel/test-tls-client-renegotiation-limit.js:59–107

(next)

}

function test(next) {
  const options = {
    cert: fixtures.readKey('rsa_cert.crt'),
    key: fixtures.readKey('rsa_private.pem'),
  };

  const server = tls.createServer(options, common.mustCall((conn) => {
    conn.on('error', common.mustCall((err) => {
      console.error(`Caught exception: ${err}`);
      assert.match(err.message, /TLS session renegotiation attack/);
      conn.destroy();
    }));
    conn.pipe(conn);
  }));

  server.listen(0, common.mustCall(() => {
    const options = {
      host: server.address().host,
      port: server.address().port,
      rejectUnauthorized: false,
    };
    const client = tls.connect(options, spam);

    let renegs = 0;

    client.on('close', common.mustCall(() => {
      assert.strictEqual(renegs, tls.CLIENT_RENEG_LIMIT + 1);
      server.close();
      process.nextTick(next);
    }));

    client.on('error', common.mustNotCall('CLIENT ERR'));

    client.on('close', common.mustCall((hadErr) => {
      assert.strictEqual(hadErr, false);
    }));

    // Simulate renegotiation attack
    function spam() {
      client.write('');
      client.renegotiate({}, common.mustCallAtLeast((err) => {
        assert.ifError(err);
        assert.ok(renegs <= tls.CLIENT_RENEG_LIMIT);
        spam();
      }, 0));
      renegs++;
    }
  }));
}