From 08cfde7678abc4cdece165699d8c4d9c8c51a248 Mon Sep 17 00:00:00 2001
From: Michael Jumper <mike.jumper@guac-dev.org>
Date: Sun, 23 Aug 2015 16:10:51 -0700
Subject: [PATCH] GUAC-1296: Stub Pause / Break / Ctrl+0 key handling within
 telnet client.

---
 src/protocols/telnet/guac_handlers.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/protocols/telnet/guac_handlers.c b/src/protocols/telnet/guac_handlers.c
index e50c58d7..f8b57165 100644
--- a/src/protocols/telnet/guac_handlers.c
+++ b/src/protocols/telnet/guac_handlers.c
@@ -84,6 +84,19 @@ int guac_telnet_client_key_handler(guac_client* client, int keysym, int pressed)
 
     }
 
+    /* Intercept and handle Pause / Break / Ctrl+0 as "IAC BRK" */
+    if (pressed && (
+                keysym == 0xFF13                  /* Pause */
+             || keysym == 0xFF6B                  /* Break */
+             || (term->mod_ctrl && keysym == '0') /* Ctrl + 0 */
+       )) {
+
+        /* Send IAC BRK */
+        guac_client_log(client, GUAC_LOG_DEBUG, "STUB");
+
+        return 0;
+    }
+
     /* Send key */
     guac_terminal_send_key(term, keysym, pressed);