From 3c92fb8ec40c3a8acb0483d158de084b9d23a5d3 Mon Sep 17 00:00:00 2001
From: Charles Oliver Nutter <headius@headius.com>
Date: Wed, 3 May 2017 17:33:47 -0500
Subject: [PATCH] If data is not provided, extract it from the PKCS7 instance.

Fixes #132.
---
 src/main/java/org/jruby/ext/openssl/PKCS7.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main/java/org/jruby/ext/openssl/PKCS7.java b/src/main/java/org/jruby/ext/openssl/PKCS7.java
index c8dfbd32..62c62a27 100644
--- a/src/main/java/org/jruby/ext/openssl/PKCS7.java
+++ b/src/main/java/org/jruby/ext/openssl/PKCS7.java
@@ -190,6 +190,8 @@ public static IRubyObject write_smime(IRubyObject self, IRubyObject[] args) {
             default: pkcs7 = (PKCS7) args[0];
         }
 
+        if (data.isNil()) data = pkcs7.getData();
+
         final int flg = flags.isNil() ? 0 : RubyNumeric.fix2int(flags);
 
         String smime = "";