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path: root/src/coremods/core_loadmodule.cpp
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/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
 *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
 *
 * This file is part of InspIRCd.  InspIRCd is free software: you can
 * redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation, version 2.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


#include "inspircd.h"

/** Handle /LOADMODULE.
 */
class CommandLoadmodule : public Command
{
 public:
	/** Constructor for loadmodule.
	 */
	CommandLoadmodule ( Module* parent) : Command(parent,"LOADMODULE",1,1) { flags_needed='o'; syntax = "<modulename>"; }
	/** Handle command.
	 * @param parameters The parameters to the command
	 * @param user The user issuing the command
	 * @return A value from CmdResult to indicate command success or failure.
	 */
	CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE;
};

/** Handle /LOADMODULE
 */
CmdResult CommandLoadmodule::Handle(User* user, const Params& parameters)
{
	if (ServerInstance->Modules->Load(parameters[0]))
	{
		ServerInstance->SNO->WriteGlobalSno('a', "NEW MODULE: %s loaded %s",user->nick.c_str(), parameters[0].c_str());
		user->WriteNumeric(RPL_LOADEDMODULE, parameters[0], "Module successfully loaded.");
		return CMD_SUCCESS;
	}
	else
	{
		user->WriteNumeric(ERR_CANTLOADMODULE, parameters[0], ServerInstance->Modules->LastError());
		return CMD_FAILURE;
	}
}

/** Handle /UNLOADMODULE.
 */
class CommandUnloadmodule : public Command
{
 public:
	bool allowcoreunload;

	/** Constructor for unloadmodule.
	 */
	CommandUnloadmodule(Module* parent)
		: Command(parent, "UNLOADMODULE", 1)
		, allowcoreunload(false)
	{
		flags_needed = 'o';
		syntax = "<modulename>";
	}

	/** Handle command.
	 * @param parameters The parameters to the command
	 * @param user The user issuing the command
	 * @return A value from CmdResult to indicate command success or failure.
	 */
	CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE;
};

CmdResult CommandUnloadmodule::Handle(User* user, const Params& parameters)
{
	if (!allowcoreunload && InspIRCd::Match(parameters[0], "core_*.so", ascii_case_insensitive_map))
	{
		user->WriteNumeric(ERR_CANTUNLOADMODULE, parameters[0], "You cannot unload core commands!");
		return CMD_FAILURE;
	}

	Module* m = ServerInstance->Modules->Find(parameters[0]);
	if (m == creator)
	{
		user->WriteNumeric(ERR_CANTUNLOADMODULE, parameters[0], "You cannot unload module loading commands!");
		return CMD_FAILURE;
	}

	if (m && ServerInstance->Modules->Unload(m))
	{
		ServerInstance->SNO->WriteGlobalSno('a', "MODULE UNLOADED: %s unloaded %s", user->nick.c_str(), parameters[0].c_str());
		user->WriteNumeric(RPL_UNLOADEDMODULE, parameters[0], "Module successfully unloaded.");
	}
	else
	{
		user->WriteNumeric(ERR_CANTUNLOADMODULE, parameters[0], (m ? ServerInstance->Modules->LastError() : "No such module"));
		return CMD_FAILURE;
	}

	return CMD_SUCCESS;
}

class CoreModLoadModule : public Module
{
	CommandLoadmodule cmdloadmod;
	CommandUnloadmodule cmdunloadmod;

 public:
	CoreModLoadModule()
		: cmdloadmod(this), cmdunloadmod(this)
	{
	}

	Version GetVersion() CXX11_OVERRIDE
	{
		return Version("Provides the LOADMODULE and UNLOADMODULE commands", VF_VENDOR|VF_CORE);
	}

	void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
	{
		ConfigTag* tag = ServerInstance->Config->ConfValue("security");
		cmdunloadmod.allowcoreunload = tag->getBool("allowcoreunload");
	}
};

MODULE_INIT(CoreModLoadModule)