From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Date: Sun, 22 May 2011 18:08:45 +0000 (+0200)
Subject: do not crash on null message.
X-Git-Tag: gnutls_2_99_2~29
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ebb56017fb7592748d7f36dc87c8d5163cb89aad;p=thirdparty%2Fgnutls.git

do not crash on null message.
---

diff --git a/lib/x509_b64.c b/lib/x509_b64.c
index 8f9dc4a972..f521dc9eba 100644
--- a/lib/x509_b64.c
+++ b/lib/x509_b64.c
@@ -195,7 +195,7 @@ _gnutls_fbase64_encode (const char *msg, const uint8_t * data,
   uint8_t bottom[80];
   int pos, bytes, top_len, bottom_len;
 
-  if (strlen(msg) > 50)
+  if (msg == NULL || strlen(msg) > 50)
     {
       gnutls_assert ();
       return GNUTLS_E_BASE64_ENCODING_ERROR;