-#include <stdio.h>
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
+ *
+ * This program is free but copyrighted software; see
+ * the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
-#include "users.h"
-#include "channels.h"
-#include "modules.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()
+ Redirect(InspIRCd* Instance) : ModeHandler(Instance, 'L', 1, 0, false, MODETYPE_CHANNEL, false) { }
+
+ ModePair ModeSet(User* source, User* dest, Channel* channel, const std::string ¶meter)
{
- Srv = new Server;
- Srv->AddExtendedMode('L',MT_CHANNEL,false,1,0);
+ if (channel->IsModeSet('L'))
+ return std::make_pair(true, channel->GetModeParameter('L'));
+ else
+ return std::make_pair(false, parameter);
}
-
- virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list ¶ms)
+
+ bool CheckTimeStamp(time_t theirs, time_t ours, const std::string &their_param, const std::string &our_param, Channel* channel)
+ {
+ /* When TS is equal, the alphabetically later one wins */
+ return (their_param < our_param);
+ }
+
+ ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, bool)
{
-
- if ((modechar == 'L') && (type == MT_CHANNEL))
+ if (adding)
{
- chanrec* c = Srv->Findchannel(params[0]);
- if (c)
+ Channel* c = NULL;
+
+ if (IS_LOCAL(source) && !ServerInstance->IsChannel(parameter.c_str(), ServerInstance->Config->Limits.ChanMax))
{
- 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(403, "%s %s :Invalid channel name", source->nick.c_str(), parameter.c_str());
+ parameter.clear();
+ return MODEACTION_DENY;
+ }
+
+ c = ServerInstance->FindChan(parameter);
+ if (!c && !IS_OPER(source))
+ {
+ source->WriteNumeric(690, "%s :Target channel %s must exist to be set as a redirect.",source->nick.c_str(),parameter.c_str());
+ parameter.clear();
+ return MODEACTION_DENY;
+ }
+
+ if (c && c->GetStatus(source) < STATUS_OP && !IS_OPER(source))
+ {
+ source->WriteNumeric(690, "%s :You must be opped on %s to set it as a redirect.",source->nick.c_str(),parameter.c_str());
+ parameter.clear();
+ return MODEACTION_DENY;
+ }
+
+ /*
+ * 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
+ */
+ channel->SetMode('L', parameter);
+ return MODEACTION_ALLOW;
+ }
+ else
+ {
+ if (channel->IsModeSet('L'))
+ {
+ channel->SetMode('L', "");
+ return MODEACTION_ALLOW;
}
- return 1;
}
+
+ return MODEACTION_DENY;
+
+ }
+};
+
+class ModuleRedirect : public Module
+{
+
+ Redirect* re;
+
+ public:
+
+ ModuleRedirect(InspIRCd* Me)
+ : Module(Me)
+ {
+
+ 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, const std::string &keygiven)
{
if (chan)
{
- if (chan->IsCustomModeSet('L'))
+ if (chan->IsModeSet('L') && chan->modes[CM_LIMIT])
{
- if (chan->limit >= Srv->CountUsers(chan))
+ if (chan->GetUserCounter() >= atoi(chan->GetModeParameter('l').c_str()))
{
- char* 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);
- Srv->JoinUserToChannel(user,channel,"");
+ std::string channel = chan->GetModeParameter('L');
+
+ /* sometimes broken ulines can make circular or chained +L, avoid this */
+ Channel* destchan = NULL;
+ destchan = ServerInstance->FindChan(channel);
+ if (destchan && destchan->IsModeSet('L'))
+ {
+ user->WriteNumeric(470, "%s %s * :You may not join this channel. A redirect is set, but you may not be redirected as it is a circular loop.", user->nick.c_str(), cname);
+ return 1;
+ }
+
+ user->WriteNumeric(470, "%s %s %s :You may not join this channel, so you are automatically being transferred to the redirect channel.", user->nick.c_str(), cname, channel.c_str());
+ Channel::JoinUser(ServerInstance, user, channel.c_str(), false, "", false, ServerInstance->Time());
return 1;
}
}
}
+ return 0;
}
virtual ~ModuleRedirect()
{
- delete Srv;
- }
-
- virtual Version GetVersion()
- {
- return Version(1,0,0,0);
- }
-
- virtual void OnUserConnect(userrec* user)
- {
+ ServerInstance->Modes->DelMode(re);
+ delete re;
}
-};
-
-
-class ModuleRedirectFactory : public ModuleFactory
-{
- public:
- ModuleRedirectFactory()
- {
- }
-
- ~ModuleRedirectFactory()
- {
- }
-
- virtual Module * CreateModule()
+ virtual Version GetVersion()
{
- return new ModuleRedirect;
+ return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
}
-
};
-
-extern "C" void * init_module( void )
-{
- return new ModuleRedirectFactory;
-}
-
+MODULE_INIT(ModuleRedirect)
projects / user / henk / code / inspircd.git / blobdiff