From 1ade1542d712c95af41b4e9d93f8a115a9b52c7b Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Sun, 8 Jun 2014 12:38:52 +0200
Subject: [PATCH] Push nil if unable to encode ASN1 string as UTF-8

---
 src/x509.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/x509.c b/src/x509.c
index fd893db..e89b602 100644
--- a/src/x509.c
+++ b/src/x509.c
@@ -101,6 +101,8 @@ static void push_asn1_string(lua_State* L, ASN1_STRING *string, int encode)
       lua_pushlstring(L, (char*)data, len);
       OPENSSL_free(data);
     }
+    else
+      lua_pushnil(L);
   }
 }