From ed609e622351e0c0bf3bbe6d6d218e3a8c07cafc Mon Sep 17 00:00:00 2001
From: Maxim Prokhorov <prokhorov.max@outlook.com>
Date: Tue, 1 May 2018 18:45:41 +0300
Subject: [PATCH] Handle C-d in telnet

---
 code/espurna/telnet.ino | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/code/espurna/telnet.ino b/code/espurna/telnet.ino
index fc3912c6..996da567 100644
--- a/code/espurna/telnet.ino
+++ b/code/espurna/telnet.ino
@@ -66,6 +66,15 @@ void _telnetData(unsigned char clientId, void *data, size_t len) {
 
     // Capture close connection
     char * p = (char *) data;
+
+    // C-d is sent as two bytes
+    if (len == 2) {
+        if ((p[0] == 0xFF) && (p[1] == 0xEC)) {
+            _telnetClients[clientId]->close();
+            return;
+        }
+    }
+
     if ((strncmp(p, "close", 5) == 0) || (strncmp(p, "quit", 4) == 0)) {
         _telnetClients[clientId]->close();
         return;