From 3cdfeee1bb9e42f5a6c9ace231f944ce97706957 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 26 Apr 2019 16:34:13 +0200
Subject: [PATCH] reject . in labels

---
 src/namestore/gnunet-namestore.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/namestore/gnunet-namestore.c b/src/namestore/gnunet-namestore.c
index 470716f43..34bbf0111 100644
--- a/src/namestore/gnunet-namestore.c
+++ b/src/namestore/gnunet-namestore.c
@@ -986,6 +986,17 @@ identity_cb (void *cls,
   struct GNUNET_GNSRECORD_Data rd;
 
   el = NULL;
+  if ( (NULL != name) &&
+       (0 != strchr (name, '.')) )
+  {
+    fprintf (stderr,
+	     _("Label `%s' contains `.' which is not allowed\n"),
+	     name);
+    GNUNET_SCHEDULER_shutdown ();
+    ret = -1;
+    return;
+  }
+    
   if (NULL == ego)
   {
     if (NULL != ego_name)
-- 
2.25.1