From 065d1788b602c807a4d669ba413a175c0059e357 Mon Sep 17 00:00:00 2001
From: danieldg <danieldg@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Mon, 15 Feb 2010 16:39:28 +0000
Subject: [PATCH] Deny identical mode +H change

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@12466 e03df62e-2008-0410-955e-edbf42e46eb7
---
 src/modules/m_chanhistory.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/modules/m_chanhistory.cpp b/src/modules/m_chanhistory.cpp
index c25dcb603..bb7bbc9aa 100644
--- a/src/modules/m_chanhistory.cpp
+++ b/src/modules/m_chanhistory.cpp
@@ -47,6 +47,8 @@ class HistoryMode : public ModeHandler
 			int time = ServerInstance->Duration(parameter.substr(colon+1));
 			if (len <= 0 || time < 0 || len > 50)
 				return MODEACTION_DENY;
+			if (parameter == channel->GetModeParameter(this))
+				return MODEACTION_DENY;
 			ext.set(channel, new HistoryList(len, time));
 			channel->SetModeParam('H', parameter);
 		}
-- 
2.39.5