# HG changeset patch
# User Sascha Wilde <wilde@intevation.de>
# Date 1396031435 -3600
# Node ID fbd74e2370deb3b810d55d7cb6da6b16597bcf11
# Parent  0145d2401f46a3e83a19de5662f39e01cf36c15e
Error out, when base64 decode results in empty data.

diff -r 0145d2401f46 -r fbd74e2370de cinst/mozilla.c
--- a/cinst/mozilla.c	Fri Mar 28 19:28:01 2014 +0100
+++ b/cinst/mozilla.c	Fri Mar 28 19:30:35 2014 +0100
@@ -338,8 +338,9 @@
   unsigned char *dercert = NULL;
   size_t dercertlen;
 
-  if ( str_base64_decode((char **)(&dercert), &dercertlen,
-                         b64, b64len) == 0 )
+  if ((str_base64_decode((char **)(&dercert), &dercertlen,
+                         b64, b64len) == 0) &&
+      (dercertlen > 0))
     {
       secitem->data = dercert;
       secitem->len = dercertlen;