From 5c60773269e682ba2d31dc56bdd44d43ff4c35b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20W=C3=A4ckerlin?= <marc@mrw.sh>
Date: Fri, 18 Sep 2009 13:57:51 +0000
Subject: [PATCH] X509 subject to DER

---
 src/openssl.hxx | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/openssl.hxx b/src/openssl.hxx
index 6f00f80..15faa1d 100644
--- a/src/openssl.hxx
+++ b/src/openssl.hxx
@@ -205,7 +205,7 @@ namespace openssl {
         if (!len) throw x509_copy_failed();
         const unsigned char* d2(d);
         _x509 = d2i_X509(0, &d2, len);
-        free(d);
+        OPENSSL_free(d);
         if (!_x509) throw x509_copy_failed();
       }
       //! Take over OpenSSL allocated certificate.
@@ -226,6 +226,14 @@ namespace openssl {
         _x509 = d2i_X509(0, &d2, len);
         if (!_x509) throw x509_copy_failed();
       }
+      //! Get DER encoded subject.
+      std::string subjectDER() const {
+        char* c(0);
+        int len(i2d_X509_NAME(X509_get_subject_name(_x509), &c));
+        std::String res(c, len);
+        OPENSSL_free(c);
+        return res;
+      }
     private:
       ::X509* _x509;
   };