From 88e7c2cb0fc2e91f647a52dc6e274b3e3205743b Mon Sep 17 00:00:00 2001
From: brain <brain@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Mon, 4 Sep 2006 23:29:33 +0000
Subject: Check for failover pointing at self. This is an obvious thing to
 check for and prevent :)

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@5142 e03df62e-2008-0410-955e-edbf42e46eb7
---
 src/modules/m_spanningtree.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src')

diff --git a/src/modules/m_spanningtree.cpp b/src/modules/m_spanningtree.cpp
index 395644772..7ac65dbc3 100644
--- a/src/modules/m_spanningtree.cpp
+++ b/src/modules/m_spanningtree.cpp
@@ -4084,6 +4084,11 @@ class ModuleSpanningTree : public Module
 	{
 		if (x->FailOver.length())
 		{
+			if (x->FailOver == x->Name)
+			{
+				ServerInstance->SNO->WriteToSnoMask('l',"FAILOVER: Some muppet configured the failover for server \002%s\002 to point at itself. Not following it!", x->Name.c_str());
+				return;
+			}
 			Link* TryThisOne = this->FindLink(x->FailOver.c_str());
 			if (TryThisOne)
 			{
-- 
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