* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
+ * InspIRCd: (C) 2002-2008 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
-using namespace std;
-
-#include <stdio.h>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "helperfuncs.h"
+#include "inspircd.h"
/* $ModDesc: Provides channel mode +L (limit redirection) */
-
-class ModuleRedirect : public Module
+/** Handle channel mode +L
+ */
+class Redirect : public ModeHandler
{
- Server *Srv;
-
public:
-
- ModuleRedirect(Server* Me)
- : Module::Module(Me)
+ Redirect(InspIRCd* Instance) : ModeHandler(Instance, 'L', 1, 0, false, MODETYPE_CHANNEL, false) { }
+
+ ModePair ModeSet(User* source, User* dest, Channel* channel, const std::string ¶meter)
+ {
+ if (channel->IsModeSet('L'))
+ return std::make_pair(true, channel->GetModeParameter('L'));
+ else
+ return std::make_pair(false, parameter);
+ }
+
+ bool CheckTimeStamp(time_t theirs, time_t ours, const std::string &their_param, const std::string &our_param, Channel* channel)
{
- Srv = Me;
- Srv->AddExtendedMode('L',MT_CHANNEL,false,1,0);
+ /* When TS is equal, the alphabetically later one wins */
+ return (their_param < our_param);
}
- virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list ¶ms)
+ ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, bool)
{
- if ((modechar == 'L') && (type == MT_CHANNEL))
+ if (adding)
{
- if (mode_on)
+ Channel* c = NULL;
+
+ if (!ServerInstance->IsChannel(parameter.c_str()))
{
- std::string ChanToJoin = params[0];
- chanrec* c = Srv->FindChannel(ChanToJoin);
- if (c)
+ source->WriteServ("403 %s %s :Invalid channel name",source->nick, parameter.c_str());
+ parameter.clear();
+ return MODEACTION_DENY;
+ }
+
+ c = ServerInstance->FindChan(parameter);
+ if (c)
+ {
+ /* Fix by brain: Dont let a channel be linked to *itself* either */
+ if (IS_LOCAL(source))
{
- /* Fix by brain: Dont let a channel be linked to *itself* either */
- if ((c == target) || (c->IsCustomModeSet('L')))
+ if ((c == channel) || (c->IsModeSet('L')))
+ {
+ source->WriteServ("690 %s :Circular or chained +L to %s not allowed (Channel already has +L). Pack of wild dogs has been unleashed.",source->nick,parameter.c_str());
+ parameter.clear();
+ return MODEACTION_DENY;
+ }
+ else
{
- WriteServ(user->fd,"690 %s :Circular redirection, mode +L to %s not allowed.",user->nick,params[0].c_str());
- return 0;
+ for (chan_hash::const_iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); i++)
+ {
+ if ((i->second != channel) && (i->second->IsModeSet('L')) && (irc::string(i->second->GetModeParameter('L').c_str()) == irc::string(channel->name)))
+ {
+ source->WriteServ("690 %s :Circular or chained +L to %s not allowed (Already forwarded here from %s). Angry monkeys dispatched.",source->nick,parameter.c_str(),i->second->name);
+ return MODEACTION_DENY;
+ }
+ }
}
}
}
- return 1;
+
+ channel->SetMode('L', true);
+ channel->SetModeParam('L', parameter.c_str(), true);
+ return MODEACTION_ALLOW;
+ }
+ else
+ {
+ if (channel->IsModeSet('L'))
+ {
+ channel->SetMode('L', false);
+ return MODEACTION_ALLOW;
+ }
}
- return 0;
- }
- void Implements(char* List)
- {
- List[I_On005Numeric] = List[I_OnUserPreJoin] = List[I_OnExtendedMode] = 1;
+ return MODEACTION_DENY;
+
}
+};
- virtual void On005Numeric(std::string &output)
+class ModuleRedirect : public Module
+{
+
+ Redirect* re;
+
+ public:
+
+ ModuleRedirect(InspIRCd* Me)
+ : Module(Me)
{
- InsertMode(output, "L", 3);
+
+ re = new Redirect(ServerInstance);
+ if (!ServerInstance->Modes->AddMode(re))
+ throw ModuleException("Could not add new modes!");
+ Implementation eventlist[] = { I_OnUserPreJoin };
+ ServerInstance->Modules->Attach(eventlist, this, 1);
}
- virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname)
+
+ virtual int OnUserPreJoin(User* user, Channel* chan, const char* cname, std::string &privs)
{
if (chan)
{
- if (chan->IsCustomModeSet('L'))
+ if (chan->IsModeSet('L') && chan->limit)
{
- if (Srv->CountUsers(chan) >= chan->limit)
+ if (chan->GetUserCounter() >= chan->limit)
{
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(),"");
+
+ /* sometimes broken ulines can make circular or chained +L, avoid this */
+ Channel* destchan = NULL;
+ destchan = ServerInstance->FindChan(channel);
+ if (destchan && destchan->IsModeSet('L'))
+ {
+ user->WriteServ("470 %s :%s is full, but has a circular redirect (+L), not following redirection to %s", user->nick, cname, channel.c_str());
+ return 1;
+ }
+
+ user->WriteServ("470 %s :%s has become full, so you are automatically being transferred to the linked channel %s", user->nick, cname, channel.c_str());
+ Channel::JoinUser(ServerInstance, user, channel.c_str(), false, "", false, ServerInstance->Time());
return 1;
}
}
virtual ~ModuleRedirect()
{
+ ServerInstance->Modes->DelMode(re);
+ delete re;
}
virtual Version GetVersion()
{
- return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
+ return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
}
};
-
-class ModuleRedirectFactory : public ModuleFactory
-{
- public:
- ModuleRedirectFactory()
- {
- }
-
- ~ModuleRedirectFactory()
- {
- }
-
- virtual Module * CreateModule(Server* Me)
- {
- return new ModuleRedirect(Me);
- }
-
-};
-
-
-extern "C" void * init_module( void )
-{
- return new ModuleRedirectFactory;
-}
-
+MODULE_INIT(ModuleRedirect)
projects / user / henk / code / inspircd.git / blobdiff