From 9af9bcbaf5c105d9a5591d23655fc3ffcfc4feeb Mon Sep 17 00:00:00 2001
From: David Benjamin <davidben@google.com>
Date: Mon, 11 Sep 2017 17:24:35 -0400
Subject: [PATCH] crypto: use X509V3_EXT_d2i

There is no need to reach into quite so many internals to decode an
extension.

PR-URL: https://github.com/nodejs/node/pull/15348
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
---
 src/node_crypto.cc | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/node_crypto.cc b/src/node_crypto.cc
index 857aa0ce65..0dde13f360 100644
--- a/src/node_crypto.cc
+++ b/src/node_crypto.cc
@@ -1477,12 +1477,7 @@ static bool SafeX509ExtPrint(BIO* out, X509_EXTENSION* ext) {
   if (method != X509V3_EXT_get_nid(NID_subject_alt_name))
     return false;
 
-  const unsigned char* p = ext->value->data;
-  GENERAL_NAMES* names = reinterpret_cast<GENERAL_NAMES*>(ASN1_item_d2i(
-      NULL,
-      &p,
-      ext->value->length,
-      ASN1_ITEM_ptr(method->it)));
+  GENERAL_NAMES* names = static_cast<GENERAL_NAMES*>(X509V3_EXT_d2i(ext));
   if (names == NULL)
     return false;