From 9d7f878c58bbe73534cb61bc414f876b3e0bd1cb Mon Sep 17 00:00:00 2001
From: danieldg <danieldg@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Wed, 17 Feb 2010 19:47:01 +0000
Subject: Add <chanhistory:maxlines> to specify the maximum allowed size of
 channel history

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@12488 e03df62e-2008-0410-955e-edbf42e46eb7
---
 src/modules/m_chanhistory.cpp | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/src/modules/m_chanhistory.cpp b/src/modules/m_chanhistory.cpp
index bb7bbc9aa..caa3c1e8b 100644
--- a/src/modules/m_chanhistory.cpp
+++ b/src/modules/m_chanhistory.cpp
@@ -33,6 +33,7 @@ class HistoryMode : public ModeHandler
 {
  public:
 	SimpleExtItem<HistoryList> ext;
+	int maxlines;
 	HistoryMode(Module* Creator) : ModeHandler(Creator, "history", 'H', PARAM_SETONLY, MODETYPE_CHANNEL),
 		ext("history", Creator) { }
 
@@ -45,8 +46,12 @@ class HistoryMode : public ModeHandler
 				return MODEACTION_DENY;
 			int len = atoi(parameter.substr(0, colon).c_str());
 			int time = ServerInstance->Duration(parameter.substr(colon+1));
-			if (len <= 0 || time < 0 || len > 50)
+			if (len <= 0 || time < 0)
 				return MODEACTION_DENY;
+			if (len > maxlines && IS_LOCAL(source))
+				return MODEACTION_DENY;
+			if (len > maxlines)
+				len = maxlines;
 			if (parameter == channel->GetModeParameter(this))
 				return MODEACTION_DENY;
 			ext.set(channel, new HistoryList(len, time));
@@ -67,11 +72,20 @@ class ModuleChanHistory : public Module
  public:
 	ModuleChanHistory() : m(this)
 	{
-		if (!ServerInstance->Modes->AddMode(&m))
-			throw ModuleException("Could not add new modes!");
+	}
+
+	void init()
+	{
+		ServerInstance->Modules->AddService(m);
 
-		Implementation eventlist[] = { I_OnPostJoin, I_OnUserMessage };
-		ServerInstance->Modules->Attach(eventlist, this, 2);
+		Implementation eventlist[] = { I_OnPostJoin, I_OnUserMessage, I_OnRehash };
+		ServerInstance->Modules->Attach(eventlist, this, 3);
+		OnRehash(NULL);
+	}
+
+	void OnRehash(User*)
+	{
+		m.maxlines = ServerInstance->Config->ConfValue("chanhistory")->getInt("maxlines", 50);
 	}
 
 	~ModuleChanHistory()
-- 
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