-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * Copyright (C) 2017 B00mX0r <b00mx0r@aureus.pw>
+ * Copyright (C) 2013, 2017, 2019 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2012-2014, 2016 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2012, 2014 Shawn Smith <ShawnSmith0828@gmail.com>
+ * Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2004, 2006, 2010 Craig Edwards <brain@inspircd.org>
*
- * ---------------------------------------------------
+ * 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 <stdio.h>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-/* $ModDesc: Provides channel mode +L (limit redirection) */
+#include "inspircd.h"
-
-class ModuleRedirect : public Module
+/** Handle channel mode +L
+ */
+class Redirect : public ParamMode<Redirect, LocalStringExt>
{
- Server *Srv;
-
public:
-
- ModuleRedirect()
+ Redirect(Module* Creator)
+ : ParamMode<Redirect, LocalStringExt>(Creator, "redirect", 'L')
{
- Srv = new Server;
- Srv->AddExtendedMode('L',MT_CHANNEL,false,1,0);
+ syntax = "<target>";
}
-
- virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list ¶ms)
+
+ ModeAction OnSet(User* source, Channel* channel, std::string& parameter) CXX11_OVERRIDE
{
- if ((modechar == 'L') && (type == MT_CHANNEL))
+ if (IS_LOCAL(source))
{
- if (mode_on)
+ if (!ServerInstance->IsChannel(parameter))
{
- std::string ChanToJoin = params[0];
- chanrec* c = Srv->FindChannel(ChanToJoin);
- if (c)
- {
- if (c->IsCustomModeSet('L'))
- {
- WriteServ(user->fd,"690 %s :Circular redirection, mode +L to %s not allowed.",user->nick,params[0].c_str());
- return 0;
- }
- }
+ source->WriteNumeric(Numerics::NoSuchChannel(parameter));
+ return MODEACTION_DENY;
}
- return 1;
}
- return 0;
- }
-
- virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname)
- {
- if (chan)
+
+ if (IS_LOCAL(source) && !source->IsOper())
{
- if (chan->IsCustomModeSet('L'))
+ Channel* c = ServerInstance->FindChan(parameter);
+ if (!c)
{
- if (chan->limit >= Srv->CountUsers(chan))
- {
- std::string channel = chan->GetModeParameter('L');
- WriteServ(user->fd,"470 %s :%s has become full, so you are automatically being transferred to the linked channel %s",user->nick,cname,channel.c_str());
- Srv->JoinUserToChannel(user,channel.c_str(),"");
- return 1;
- }
+ source->WriteNumeric(690, InspIRCd::Format("Target channel %s must exist to be set as a redirect.", parameter.c_str()));
+ return MODEACTION_DENY;
+ }
+ else if (c->GetPrefixValue(source) < OP_VALUE)
+ {
+ source->WriteNumeric(690, InspIRCd::Format("You must be opped on %s to set it as a redirect.", parameter.c_str()));
+ return MODEACTION_DENY;
}
}
- }
- virtual ~ModuleRedirect()
- {
- delete Srv;
- }
-
- virtual Version GetVersion()
- {
- return Version(1,0,0,0);
+ /*
+ * We used to do some checking for circular +L here, but there is no real need for this any more especially as we
+ * now catch +L looping in PreJoin. Remove it, since O(n) logic makes me sad, and we catch it anyway. :) -- w00t
+ */
+ ext.set(channel, parameter);
+ return MODEACTION_ALLOW;
}
-
- virtual void OnUserConnect(userrec* user)
+
+ void SerializeParam(Channel* chan, const std::string* str, std::string& out)
{
+ out += *str;
}
-
};
-
-class ModuleRedirectFactory : public ModuleFactory
+class ModuleRedirect : public Module
{
+ Redirect re;
+ SimpleUserModeHandler antiredirectmode;
+ ChanModeReference limitmode;
+
public:
- ModuleRedirectFactory()
+ ModuleRedirect()
+ : re(this)
+ , antiredirectmode(this, "antiredirect", 'L')
+ , limitmode(this, "limit")
{
}
-
- ~ModuleRedirectFactory()
+
+ ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
{
+ if (chan)
+ {
+ if (chan->IsModeSet(re) && chan->IsModeSet(limitmode))
+ {
+ if (chan->GetUserCounter() >= ConvToNum<size_t>(chan->GetModeParameter(limitmode)))
+ {
+ const std::string& channel = *re.ext.get(chan);
+
+ /* sometimes broken ulines can make circular or chained +L, avoid this */
+ Channel* destchan = ServerInstance->FindChan(channel);
+ if (destchan && destchan->IsModeSet(re))
+ {
+ user->WriteNumeric(470, cname, '*', "You may not join this channel. A redirect is set, but you may not be redirected as it is a circular loop.");
+ return MOD_RES_DENY;
+ }
+
+ if (user->IsModeSet(antiredirectmode))
+ {
+ user->WriteNumeric(470, cname, channel, "Force redirection stopped.");
+ return MOD_RES_DENY;
+ }
+ else
+ {
+ user->WriteNumeric(470, cname, channel, "You may not join this channel, so you are automatically being transferred to the redirected channel.");
+ Channel::JoinUser(user, channel);
+ return MOD_RES_DENY;
+ }
+ }
+ }
+ }
+ return MOD_RES_PASSTHRU;
}
-
- virtual Module * CreateModule()
+
+ Version GetVersion() CXX11_OVERRIDE
{
- return new ModuleRedirect;
+ return Version("Allows users to be redirected to another channel when the user limit is reached.", VF_VENDOR);
}
-
};
-
-extern "C" void * init_module( void )
-{
- return new ModuleRedirectFactory;
-}
-
+MODULE_INIT(ModuleRedirect)
projects / user / henk / code / inspircd.git / blobdiff