From 014b201d3ee412f29311f8f0b72bf3aa6be83b7f Mon Sep 17 00:00:00 2001
From: sigiesec <simon.giesecke@btc-ag.com>
Date: Wed, 16 Aug 2017 12:36:28 +0200
Subject: [PATCH] Problem: ZAP message without credentials is not terminated

Solution: Set more flag depending on presence of credentials
---
 src/zap_client.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/zap_client.cpp b/src/zap_client.cpp
index d8120d8b..d8fb30e0 100644
--- a/src/zap_client.cpp
+++ b/src/zap_client.cpp
@@ -105,7 +105,8 @@ int zap_client_t::send_zap_request (const char *mechanism,
     rc = msg.init_size (mechanism_length);
     errno_assert (rc == 0);
     memcpy (msg.data (), mechanism, mechanism_length);
-    msg.set_flags (msg_t::more);
+    if (credentials)
+        msg.set_flags (msg_t::more);
     rc = session->write_zap_msg (&msg);
     if (rc != 0)
         return close_and_return (&msg, -1);