From 663ec44b8ca4f7de4ca9787c3a813191c6fd444c Mon Sep 17 00:00:00 2001
From: Jeffrey Paul <jp@eeqj.com>
Date: Fri, 8 Apr 2016 17:52:57 +0200
Subject: [PATCH] Defensive fix for process.config.variables regression

---
 lib/_tls_wrap.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/_tls_wrap.js b/lib/_tls_wrap.js
index 7516c4c9b11c0b..bf8c097aa876ae 100644
--- a/lib/_tls_wrap.js
+++ b/lib/_tls_wrap.js
@@ -19,7 +19,9 @@ const defaultSessionIdContext = getDefaultSessionIdContext();
 function getDefaultSessionIdContext() {
   var defaultText = process.argv.join(' ');
   /* SSL_MAX_SID_CTX_LENGTH is 128 bits */
-  if (process.config.variables.openssl_fips) {
+  if (process.config &&
+        process.config variables &&
+        process.config.variables.openssl_fips) {
     return crypto.createHash('sha1')
       .update(defaultText)
       .digest('hex').slice(0, 32);