build: export openssl symbols on windows

Export symbols from the bundled openssl for add-ons to link against.

Fixes: https://github.com/nodejs/node-v0.x-archive/issues/4051
PR-URL: https://github.com/nodejs/node/pull/6274
Reviewed-By: James M Snell <jasnell@gmail.com>

3 files changed, 52 insertions, 0 deletions

diff --git a/test/addons/openssl-binding/binding.cc b/test/addons/openssl-binding/binding.cc
new file mode 100644
index 0000000000..59819cd33d
--- /dev/null
+++ b/test/addons/openssl-binding/binding.cc
@@ -0,0 +1,35 @@
+#include "node.h"
+#include "../../../src/util.h"
+#include "../../../src/util-inl.h"
+
+#include <assert.h>
+#include <openssl/rand.h>
+
+namespace {
+
+inline void RandomBytes(const v8::FunctionCallbackInfo<v8::Value>& info) {
+  assert(info[0]->IsArrayBufferView());
+  auto view = info[0].As<v8::ArrayBufferView>();
+  auto byte_offset = view->ByteOffset();
+  auto byte_length = view->ByteLength();
+  assert(view->HasBuffer());
+  auto buffer = view->Buffer();
+  auto contents = buffer->GetContents();
+  auto data = static_cast<unsigned char*>(contents.Data()) + byte_offset;
+  assert(RAND_poll());
+  auto rval = RAND_bytes(data, static_cast<int>(byte_length));
+  info.GetReturnValue().Set(rval > 0);
+}
+
+inline void Initialize(v8::Local<v8::Object> exports,
+                       v8::Local<v8::Value> module,
+                       v8::Local<v8::Context> context) {
+  auto isolate = context->GetIsolate();
+  auto key = v8::String::NewFromUtf8(isolate, "randomBytes");
+  auto value = v8::FunctionTemplate::New(isolate, RandomBytes)->GetFunction();
+  assert(exports->Set(context, key, value).IsJust());
+}
+
+}  // anonymous namespace
+
+NODE_MODULE_CONTEXT_AWARE(binding, Initialize)
diff --git a/test/addons/openssl-binding/binding.gyp b/test/addons/openssl-binding/binding.gyp
new file mode 100644
index 0000000000..672f84bb86
--- /dev/null
+++ b/test/addons/openssl-binding/binding.gyp
@@ -0,0 +1,9 @@
+{
+  'targets': [
+    {
+      'target_name': 'binding',
+      'sources': ['binding.cc'],
+      'include_dirs': ['../../../deps/openssl/openssl/include'],
+    },
+  ]
+}
diff --git a/test/addons/openssl-binding/test.js b/test/addons/openssl-binding/test.js
new file mode 100644
index 0000000000..aa515bac9a
--- /dev/null
+++ b/test/addons/openssl-binding/test.js
@@ -0,0 +1,8 @@
+'use strict';
+
+require('../../common');
+const assert = require('assert');
+const binding = require('./build/Release/binding');
+const bytes = new Uint8Array(1024);
+assert(binding.randomBytes(bytes));
+assert(bytes.reduce((v, a) => v + a) > 0);