test-crypto-engine.js

'use strict';
const common = require('../common');
if (!common.hasCrypto) common.skip('missing crypto');

// This tests crypto.setEngine().

const assert = require('assert');
const crypto = require('crypto');
const fs = require('fs');
const path = require('path');

assert.throws(() => crypto.setEngine(true), /ERR_INVALID_ARG_TYPE/);
assert.throws(() => crypto.setEngine('/path/to/engine', 'notANumber'),
              /ERR_INVALID_ARG_TYPE/);

{
  const invalidEngineName = 'xxx';
  assert.throws(() => crypto.setEngine(invalidEngineName),
                /ERR_CRYPTO_ENGINE_UNKNOWN/);
  assert.throws(() => crypto.setEngine(invalidEngineName,
                                       crypto.constants.ENGINE_METHOD_RSA),
                /ERR_CRYPTO_ENGINE_UNKNOWN/);
}

crypto.setEngine('dynamic');
crypto.setEngine('dynamic');

crypto.setEngine('dynamic', crypto.constants.ENGINE_METHOD_RSA);
crypto.setEngine('dynamic', crypto.constants.ENGINE_METHOD_RSA);

{
  const engineName = 'test_crypto_engine';
  let engineLib;
  if (common.isWindows) engineLib = `${engineName}.dll`;
  else if (common.isAIX) engineLib = `lib${engineName}.a`;
  else if (common.isOSX) engineLib = `lib${engineName}.dylib`;
  else engineLib = `lib${engineName}.so`;
  const execDir = path.dirname(process.execPath);
  const enginePath = path.join(execDir, engineLib);
  const engineId = path.parse(engineLib).name;

  try {
    fs.accessSync(enginePath);
  } catch (err) {
    console.log(`${execDir}:`);
    fs.readdirSync(execDir).forEach((file) => console.log(`  ${file}`));
    throw err;
  }

  crypto.setEngine(enginePath);
  crypto.setEngine(enginePath);

  crypto.setEngine(enginePath, crypto.constants.ENGINE_METHOD_RSA);
  crypto.setEngine(enginePath, crypto.constants.ENGINE_METHOD_RSA);

  try {
    process.env.OPENSSL_ENGINES = execDir;

    crypto.setEngine(engineId);
    crypto.setEngine(engineId);

    crypto.setEngine(engineId, crypto.constants.ENGINE_METHOD_RSA);
    crypto.setEngine(engineId, crypto.constants.ENGINE_METHOD_RSA);
  } finally {
    process.env.OPENSSL_ENGINES = undefined;
  }
}