From efdcbd909a47c6d6660bf621f2a8c488fde06f88 Mon Sep 17 00:00:00 2001
From: Paul Kehrer <paul.l.kehrer@gmail.com>
Date: Tue, 31 Dec 2013 12:07:42 -0600
Subject: check if the fd is available via engine status

---
 cryptography/hazmat/backends/openssl/urand_engine.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/cryptography/hazmat/backends/openssl/urand_engine.py b/cryptography/hazmat/backends/openssl/urand_engine.py
index 673b1480..6cbdab41 100644
--- a/cryptography/hazmat/backends/openssl/urand_engine.py
+++ b/cryptography/hazmat/backends/openssl/urand_engine.py
@@ -56,7 +56,11 @@ static int urandom_rand_bytes(unsigned char *buffer, int size) {
 }
 
 static int urandom_rand_status(void) {
-    return 1;
+    if (urandom_fd == -1) {
+        return 0;
+    } else {
+        return 1;
+    }
 }
 
 static int urandom_init(ENGINE *e) {
@@ -130,7 +134,11 @@ static int urandom_finish(ENGINE *e) {
 }
 
 static int urandom_rand_status(void) {
-    return 1;
+    if (hCryptProv == 0) {
+        return 0;
+    } else {
+        return 1;
+    }
 }
 #endif /* MS_WINDOWS */
 
-- 
cgit v1.2.3