* | 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) 2002-2007 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 <map>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "helperfuncs.h"
+#include "inspircd.h"
/* $ModDesc: Provides channel mode +j (join flood protection) */
+/** Holds settings and state associated with channel mode +j
+ */
class joinfloodsettings : public classbase
{
public:
time_t unlocktime;
int counter;
bool locked;
+ InspIRCd* ServerInstance;
joinfloodsettings() : secs(0), joins(0) {};
+
joinfloodsettings(int b, int c) : secs(b), joins(c)
{
reset = time(NULL) + secs;
counter = 0;
locked = false;
- log(DEBUG,"Create new joinfloodsettings: %lu %lu",time(NULL),reset);
};
void addjoin()
{
counter++;
- log(DEBUG,"joinflood counter is %d",counter);
if (time(NULL) > reset)
{
- log(DEBUG,"joinflood counter reset");
counter = 0;
reset = time(NULL) + secs;
}
void clear()
{
- log(DEBUG,"joinflood counter clear");
counter = 0;
}
void lock()
{
- log(DEBUG,"joinflood lock");
locked = true;
unlocktime = time(NULL) + 60;
}
};
+/** Handles channel mode +j
+ */
class JoinFlood : public ModeHandler
{
public:
- JoinFlood() : ModeHandler('j', 1, 0, false, MODETYPE_CHANNEL, false) { }
+ JoinFlood(InspIRCd* Instance) : ModeHandler(Instance, 'j', 1, 0, false, MODETYPE_CHANNEL, false) { }
- ModePair ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter)
- {
- joinfloodsettings* x;
- if (channel->GetExt("joinflood",x))
- return std::make_pair(true, ConvToStr(x->joins)+":"+ConvToStr(x->secs));
- else
- return std::make_pair(false, parameter);
- }
+ ModePair ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter)
+ {
+ joinfloodsettings* x;
+ if (channel->GetExt("joinflood",x))
+ return std::make_pair(true, ConvToStr(x->joins)+":"+ConvToStr(x->secs));
+ 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, chanrec* channel)
+ bool CheckTimeStamp(time_t theirs, time_t ours, const std::string &their_param, const std::string &our_param, chanrec* channel)
{
/* When TS is equal, the alphabetically later one wins */
return (their_param < our_param);
else data++;
}
if (secs)
+
{
/* Set up the flood parameters for this channel */
int njoins = atoi(joins);
int nsecs = atoi(secs);
if ((njoins<1) || (nsecs<1))
{
- WriteServ(source->fd,"608 %s %s :Invalid flood parameter",source->nick,channel->name);
- parameter = "";
+ source->WriteServ("608 %s %s :Invalid flood parameter",source->nick,channel->name);
+ parameter.clear();
return MODEACTION_DENY;
}
else
channel->SetModeParam('j', parameter.c_str(), true);
return MODEACTION_ALLOW;
}
+ else
+ {
+ std::string cur_param = channel->GetModeParameter('j');
+ parameter = ConvToStr(njoins) + ":" +ConvToStr(nsecs);
+ if (cur_param == parameter)
+ {
+ // mode params match
+ return MODEACTION_DENY;
+ }
+ else
+ {
+ // new mode param, replace old with new
+ if ((nsecs > 0) && (njoins > 0))
+ {
+ joinfloodsettings* f;
+ channel->GetExt("joinflood", f);
+ delete f;
+ f = new joinfloodsettings(nsecs,njoins);
+ channel->Shrink("joinflood");
+ channel->Extend("joinflood", f);
+ channel->SetModeParam('j', cur_param.c_str(), false);
+ channel->SetModeParam('j', parameter.c_str(), true);
+ return MODEACTION_ALLOW;
+ }
+ else
+ {
+ return MODEACTION_DENY;
+ }
+ }
+ }
}
}
else
{
- WriteServ(source->fd,"608 %s %s :Invalid flood parameter",source->nick,channel->name);
+ source->WriteServ("608 %s %s :Invalid flood parameter",source->nick,channel->name);
return MODEACTION_DENY;
}
}
class ModuleJoinFlood : public Module
{
- Server *Srv;
+
JoinFlood* jf;
public:
- ModuleJoinFlood(Server* Me)
- : Module::Module(Me)
+ ModuleJoinFlood(InspIRCd* Me)
+ : Module(Me)
{
- Srv = Me;
- jf = new JoinFlood();
- Srv->AddMode(jf, 'j');
+
+ jf = new JoinFlood(ServerInstance);
+ if (!ServerInstance->AddMode(jf, 'j'))
+ throw ModuleException("Could not add new modes!");
}
- virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname)
+ virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname, std::string &privs)
{
if (chan)
{
{
if (f->islocked())
{
- WriteServ(user->fd,"609 %s %s :This channel is temporarily unavailable (+j). Please try again later.",user->nick,chan->name);
+ user->WriteServ("609 %s %s :This channel is temporarily unavailable (+j). Please try again later.",user->nick,chan->name);
return 1;
}
}
return 0;
}
- virtual void OnUserJoin(userrec* user, chanrec* channel)
+ virtual void OnUserJoin(userrec* user, chanrec* channel, bool &silent)
{
joinfloodsettings *f;
if (channel->GetExt("joinflood",f))
{
f->clear();
f->lock();
- WriteChannelWithServ((char*)Srv->GetServerName().c_str(), channel, "NOTICE %s :This channel has been closed to new users for 60 seconds because there have been more than %d joins in %d seconds.",channel->name,f->joins,f->secs);
+ channel->WriteChannelWithServ((char*)ServerInstance->Config->ServerName, "NOTICE %s :This channel has been closed to new users for 60 seconds because there have been more than %d joins in %d seconds.", channel->name, f->joins, f->secs);
}
}
}
void Implements(char* List)
{
- List[I_On005Numeric] = List[I_OnChannelDelete] = List[I_OnUserPreJoin] = List[I_OnUserJoin] = 1;
- }
-
- virtual void On005Numeric(std::string &output)
- {
- InsertMode(output, "j", 3);
+ List[I_OnChannelDelete] = List[I_OnUserPreJoin] = List[I_OnUserJoin] = 1;
}
virtual ~ModuleJoinFlood()
{
+ ServerInstance->Modes->DelMode(jf);
DELETE(jf);
}
virtual Version GetVersion()
{
- return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
- }
-};
-
-
-class ModuleJoinFloodFactory : public ModuleFactory
-{
- public:
- ModuleJoinFloodFactory()
- {
- }
-
- ~ModuleJoinFloodFactory()
- {
- }
-
- virtual Module * CreateModule(Server* Me)
- {
- return new ModuleJoinFlood(Me);
+ return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
}
-
};
-
-extern "C" void * init_module( void )
-{
- return new ModuleJoinFloodFactory;
-}
-
+MODULE_INIT(ModuleJoinFlood)