From 83957fae1582e46d0490156473cde8aa77f656c4 Mon Sep 17 00:00:00 2001
From: Stephan Hadinger <stephan.hadinger@gmail.com>
Date: Sun, 23 Aug 2020 15:22:36 +0200
Subject: [PATCH] Zigbee limit friendly name to 32 bytes

---
 tasmota/xdrv_23_zigbee_A_impl.ino | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tasmota/xdrv_23_zigbee_A_impl.ino b/tasmota/xdrv_23_zigbee_A_impl.ino
index e9a9722f4..a214a9676 100644
--- a/tasmota/xdrv_23_zigbee_A_impl.ino
+++ b/tasmota/xdrv_23_zigbee_A_impl.ino
@@ -978,6 +978,7 @@ void CmndZbName(void) {
     const char * friendlyName = zigbee_devices.getFriendlyName(shortaddr);
     Response_P(PSTR("{\"0x%04X\":{\"" D_JSON_ZIGBEE_NAME "\":\"%s\"}}"), shortaddr, friendlyName ? friendlyName : "");
   } else {
+    if (strlen(p) > 32) { p[32] = 0x00; }     // truncate to 32 chars max
     zigbee_devices.setFriendlyName(shortaddr, p);
     Response_P(PSTR("{\"0x%04X\":{\"" D_JSON_ZIGBEE_NAME "\":\"%s\"}}"), shortaddr, p);
   }