From 7759f9b1c0bd27cf632e6f9862d7f6f6dbdecff9 Mon Sep 17 00:00:00 2001
From: Nick Couchman <vnick@apache.org>
Date: Tue, 14 Apr 2020 19:02:38 -0400
Subject: [PATCH] GUACAMOLE-221: Add socket keepalive when sending required
 fields.

---
 src/libguac/protocol.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libguac/protocol.c b/src/libguac/protocol.c
index fa9e477d..2e2e6b0d 100644
--- a/src/libguac/protocol.c
+++ b/src/libguac/protocol.c
@@ -994,6 +994,9 @@ int guac_protocol_send_rect(guac_socket* socket,
 static int __guac_protocol_send_required(guac_socket* socket,
         const char** required) {
 
+    // The socket should be kept alive while waiting for user response.
+    guac_socket_require_keep_alive(socket);
+    
     if (guac_socket_write_string(socket, "8.required"))
         return -1;