From 9110d75577a35ce9971b2ed5ded85df6af9f9468 Mon Sep 17 00:00:00 2001
From: Matthew Sackman <matthew@rabbitmq.com>
Date: Mon, 18 Oct 2010 12:30:35 +0100
Subject: Prevent redeclaration of the default exchange: Limited Edition
 Passive Model

---
 src/rabbit_channel.erl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/rabbit_channel.erl b/src/rabbit_channel.erl
index 16a4bcd8..58c8e341 100644
--- a/src/rabbit_channel.erl
+++ b/src/rabbit_channel.erl
@@ -723,6 +723,7 @@ handle_method(#'exchange.declare'{exchange = ExchangeNameBin,
               _, State = #ch{virtual_host = VHostPath}) ->
     ExchangeName = rabbit_misc:r(VHostPath, exchange, ExchangeNameBin),
     check_configure_permitted(ExchangeName, State),
+    check_not_default_exchange(ExchangeName),
     _ = rabbit_exchange:lookup_or_die(ExchangeName),
     return_ok(State, NoWait, #'exchange.declare_ok'{});
 
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