From 01c23b31f7d0ea87052cd22814af826ecb11f0f3 Mon Sep 17 00:00:00 2001
From: danieldg <danieldg@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Tue, 15 Sep 2009 21:25:30 +0000
Subject: Remove Extensible items from user, channel, and Membership on module
 unload

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@11730 e03df62e-2008-0410-955e-edbf42e46eb7
---
 include/extensible.h       |  3 ++-
 src/base.cpp               | 20 +++++++++++++++++++-
 src/modules.cpp            |  8 ++++++--
 src/modules/m_cloaking.cpp |  7 +++----
 4 files changed, 30 insertions(+), 8 deletions(-)

diff --git a/include/extensible.h b/include/extensible.h
index 3f5998231..d3d22a97e 100644
--- a/include/extensible.h
+++ b/include/extensible.h
@@ -81,7 +81,8 @@ class CoreExport Extensible : public classbase
 	virtual ~Extensible();
 
 	static bool Register(ExtensionItem* item);
-	static void UnRegister(Module* module);
+	static std::vector<ExtensionItem*> BeginUnregister(Module* module);
+	void doUnhookExtensions(const std::vector<ExtensionItem*>& toRemove);
 	
 	// Friend access for the protected getter/setter
 	friend class ExtensionItem;
diff --git a/src/base.cpp b/src/base.cpp
index aac66fd3f..27eb4af23 100644
--- a/src/base.cpp
+++ b/src/base.cpp
@@ -122,14 +122,32 @@ bool Extensible::Register(ExtensionItem* item)
 	return Extensible::extension_types.insert(std::make_pair(item->key, item)).second;
 }
 
-void Extensible::UnRegister(Module* module)
+std::vector<ExtensionItem*> Extensible::BeginUnregister(Module* module)
 {
+	std::vector<ExtensionItem*> rv;
 	ExtensibleTypes::iterator i = extension_types.begin();
 	while (i != extension_types.end())
 	{
 		ExtensibleTypes::iterator c = i++;
 		if (c->second->owner == module)
+		{
+			rv.push_back(c->second);
 			extension_types.erase(c);
+		}
+	}
+	return rv;
+}
+
+void Extensible::doUnhookExtensions(const std::vector<ExtensionItem*>& toRemove)
+{
+	for(std::vector<ExtensionItem*>::const_iterator i = toRemove.begin(); i != toRemove.end(); i++)
+	{
+		ExtensibleStore::iterator e = extensions.find((**i).key);
+		if (e != extensions.end())
+		{
+			(**i).free(e->second);
+			extensions.erase(e);
+		}
 	}
 }
 
diff --git a/src/modules.cpp b/src/modules.cpp
index 48b477658..51fecb47c 100644
--- a/src/modules.cpp
+++ b/src/modules.cpp
@@ -538,26 +538,30 @@ bool ModuleManager::Unload(const char* filename)
 			return false;
 		}
 
+		std::vector<ExtensionItem*> items = Extensible::BeginUnregister(modfind->second.second);
 		/* Give the module a chance to tidy out all its metadata */
 		for (chan_hash::iterator c = ServerInstance->chanlist->begin(); c != ServerInstance->chanlist->end(); c++)
 		{
 			modfind->second.second->OnCleanup(TYPE_CHANNEL,c->second);
+			c->second->doUnhookExtensions(items);
+			const UserMembList* users = c->second->GetUsers();
+			for(UserMembCIter mi = users->begin(); mi != users->end(); mi++)
+				mi->second->doUnhookExtensions(items);
 		}
 		for (user_hash::iterator u = ServerInstance->Users->clientlist->begin(); u != ServerInstance->Users->clientlist->end(); u++)
 		{
 			modfind->second.second->OnCleanup(TYPE_USER,u->second);
+			u->second->doUnhookExtensions(items);
 		}
 
 		/* Tidy up any dangling resolvers */
 		ServerInstance->Res->CleanResolvers(modfind->second.second);
 
-
 		FOREACH_MOD_I(ServerInstance,I_OnUnloadModule,OnUnloadModule(modfind->second.second, modfind->first));
 
 		this->DetachAll(modfind->second.second);
 
 		ServerInstance->Parser->RemoveCommands(modfind->second.second);
-		Extensible::UnRegister(modfind->second.second);
 
 		delete modfind->second.second;
 		delete modfind->second.first;
diff --git a/src/modules/m_cloaking.cpp b/src/modules/m_cloaking.cpp
index 50bb4c4b6..fe802164d 100644
--- a/src/modules/m_cloaking.cpp
+++ b/src/modules/m_cloaking.cpp
@@ -63,7 +63,7 @@ class CloakUser : public ModeHandler
 			return host.substr(splitdot);
 	}
 
-	CloakUser(InspIRCd* Instance, Module* source, Module* Hash) 
+	CloakUser(Module* source, Module* Hash)
 		: ModeHandler(source, 'x', PARAM_NONE, MODETYPE_USER), HashProvider(Hash),
 		ext("cloaked_host", source)
 	{
@@ -256,15 +256,14 @@ class ModuleCloaking : public Module
  	CloakUser* cu;
 
  public:
-	ModuleCloaking(InspIRCd* Me)
-		: Module(Me)
+	ModuleCloaking(InspIRCd*)
 	{
 		/* Attempt to locate the md5 service provider, bail if we can't find it */
 		Module* HashModule = ServerInstance->Modules->Find("m_md5.so");
 		if (!HashModule)
 			throw ModuleException("Can't find m_md5.so. Please load m_md5.so before m_cloaking.so.");
 
-		cu = new CloakUser(ServerInstance, this, HashModule);
+		cu = new CloakUser(this, HashModule);
 
 		try
 		{
-- 
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