crypt: move test-crypto-engine to addon

Fixes: nodejs#41633

- move test-crypto-engine so that dummy engine
  is only built if tests are run

Signed-off-by: Michael Dawson <mdawson@devrus.com>

node.gyp

@@ -1475,31 +1475,5 @@
         },
       ]
     }], # end aix section
-    # TODO(RaisinTen): Enable this to build on other platforms as well.
-    ['(OS=="mac" or (OS=="linux" and target_arch=="x64")) and \
-      node_use_openssl=="true"', {
-      'targets': [
-        {
-          'target_name': 'test_crypto_engine',
-          'type': 'shared_library',
-          'include_dirs': ['deps/openssl/openssl/include'],
-          'sources': ['test/fixtures/test_crypto_engine.c'],
-          'conditions': [
-            ['OS=="mac"', {
-              'dependencies': ['deps/openssl/openssl.gyp:openssl'],
-              'xcode_settings': {
-                'OTHER_CFLAGS': ['-Wno-deprecated-declarations'],
-              },
-            }],
-            ['OS=="linux" and target_arch=="x64"', {
-              'cflags': [
-                '-Wno-deprecated-declarations',
-                '-fPIC',
-              ],
-            }],
-          ],
-        }, # test_crypto_engine
-      ], # end targets
-    }], # end node_use_openssl section
   ], # end conditions block
 }

test/addons/openssl-test-engine/binding.gyp

@@ -0,0 +1,32 @@
+{
+  'targets': [
+    {
+      'target_name': 'testsetengine',
+      'type': 'none',
+      'includes': ['../common.gypi'],
+      'conditions': [
+        ['(OS=="mac" or (OS=="linux")) and '
+         'node_use_openssl=="true" and '
+         'node_shared=="false" and '
+         'node_shared_openssl=="false"', {
+          'type': 'shared_library',
+          'sources': [ 'testsetengine.cc' ],
+          'product_extension': 'engine',
+          'include_dirs': ['../../../deps/openssl/openssl/include'],
+          'conditions': [
+            ['OS=="mac"', {
+              'xcode_settings': {
+                'OTHER_CFLAGS': ['-Wno-deprecated-declarations'],
+              },
+            }],
+            ['OS=="linux"', {
+              'cflags': [
+                '-Wno-deprecated-declarations',
+              ],
+            }],
+          ],
+        }],
+      ],
+    }
+  ]
+}

test/addons/openssl-test-engine/test.js

@@ -0,0 +1,60 @@
+'use strict';
+const common = require('../../common');
+
+// This tests crypto.setEngine().
+
+if (!common.hasCrypto)
+  common.skip('missing crypto');
+
+const assert = require('assert');
+const crypto = require('crypto');
+const fs = require('fs');
+const path = require('path');
+
+const engine = path.join(__dirname,
+                         `/build/${common.buildType}/testsetengine.engine`);
+
+if (!fs.existsSync(engine))
+  common.skip('no engine');
+
+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 engineId = path.parse(engine).name;
+  const execDir = path.parse(engine).dir;
+
+  crypto.setEngine(engine);
+  // OpenSSL 3.0.1 and 1.1.1m now throw errors if an engine is loaded again
+  // with a duplicate absolute path.
+  // TODO(richardlau): figure out why this fails on macOS but not Linux.
+  //crypto.setEngine(engine);
+
+  // crypto.setEngine(engine, crypto.constants.ENGINE_METHOD_RSA);
+  // crypto.setEngine(engine, crypto.constants.ENGINE_METHOD_RSA);
+
+  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);
+}
+

test/addons/openssl-test-engine/testsetengine.cc

@@ -0,0 +1,48 @@
+#include <openssl/engine.h>
+
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+
+#ifndef ENGINE_CMD_BASE
+# error did not get engine.h
+#endif
+
+#define TEST_ENGINE_ID      "testsetengine"
+#define TEST_ENGINE_NAME    "dummy test engine"
+
+#ifdef _WIN32
+# define DEFAULT_VISIBILITY __declspec(dllexport)
+#else
+# define DEFAULT_VISIBILITY __attribute__((visibility("default")))
+#endif
+
+namespace {
+
+int EngineInit(ENGINE* engine) {
+  return 1;
+}
+
+int EngineFinish(ENGINE* engine) {
+  return 1;
+}
+
+int EngineDestroy(ENGINE* engine) {
+  return 1;
+}
+
+int bind_fn(ENGINE* engine, const char* id) {
+  ENGINE_set_id(engine, TEST_ENGINE_ID);
+  ENGINE_set_name(engine, TEST_ENGINE_NAME);
+  ENGINE_set_init_function(engine, EngineInit);
+  ENGINE_set_finish_function(engine, EngineFinish);
+  ENGINE_set_destroy_function(engine, EngineDestroy);
+  return 1;
+}
+
+extern "C" {
+  DEFAULT_VISIBILITY IMPLEMENT_DYNAMIC_CHECK_FN();
+  DEFAULT_VISIBILITY IMPLEMENT_DYNAMIC_BIND_FN(bind_fn);
+}
+
+}  // anonymous namespace