* | 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) */
-class joinfloodsettings
+/** 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;
}
-
};
-class ModuleJoinFlood : public Module
+/** Handles channel mode +j
+ */
+class JoinFlood : public ModeHandler
{
- Server *Srv;
-
public:
-
- ModuleJoinFlood(Server* Me)
- : Module::Module(Me)
+ JoinFlood(InspIRCd* Instance) : ModeHandler(Instance, 'j', 1, 0, false, MODETYPE_CHANNEL, false) { }
+
+ ModePair ModeSet(User* source, User* dest, Channel* 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, Channel* channel)
{
- Srv = Me;
- Srv->AddExtendedMode('j',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)
{
- if ((modechar == 'j') && (type == MT_CHANNEL))
+ joinfloodsettings* dummy;
+
+ if (adding)
{
- if (mode_on)
+ char ndata[MAXBUF];
+ char* data = ndata;
+ strlcpy(ndata,parameter.c_str(),MAXBUF);
+ char* joins = data;
+ char* secs = NULL;
+ while (*data)
{
- std::string FloodParams = params[0];
- chanrec* c = (chanrec*)target;
- char ndata[MAXBUF];
- char* data = ndata;
- strlcpy(ndata,FloodParams.c_str(),MAXBUF);
- char* joins = data;
- char* secs = NULL;
- while (*data)
+ if (*data == ':')
{
- if (*data == ':')
- {
- *data = 0;
- data++;
- secs = data;
- break;
- }
- else data++;
+ *data = 0;
+ data++;
+ secs = data;
+ break;
}
- if (secs)
+ 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))
+ {
+ source->WriteServ("608 %s %s :Invalid flood parameter",source->nick,channel->name);
+ parameter.clear();
+ return MODEACTION_DENY;
+ }
+ else
{
- /* Set up the flood parameters for this channel */
- int njoins = atoi(joins);
- int nsecs = atoi(secs);
- if ((njoins<1) || (nsecs<1))
+ if (!channel->GetExt("joinflood", dummy))
{
- WriteServ(user->fd,"608 %s %s :Invalid flood parameter",user->nick,c->name);
- return 0;
+ parameter = ConvToStr(njoins) + ":" +ConvToStr(nsecs);
+ joinfloodsettings *f = new joinfloodsettings(nsecs,njoins);
+ channel->Extend("joinflood", f);
+ channel->SetMode('j', true);
+ channel->SetModeParam('j', parameter.c_str(), true);
+ return MODEACTION_ALLOW;
}
else
{
- if (!c->GetExt("joinflood"))
+ std::string cur_param = channel->GetModeParameter('j');
+ parameter = ConvToStr(njoins) + ":" +ConvToStr(nsecs);
+ if (cur_param == parameter)
+ {
+ // mode params match
+ return MODEACTION_DENY;
+ }
+ else
{
- joinfloodsettings *f = new joinfloodsettings(nsecs,njoins);
- c->Extend("joinflood",(char*)f);
+ // 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;
+ }
}
}
- return 1;
- }
- else
- {
- WriteServ(user->fd,"608 %s %s :Invalid flood parameter",user->nick,c->name);
- return 0;
}
-
}
else
{
- chanrec* c = (chanrec*)target;
- if (c->GetExt("joinflood"))
- {
- joinfloodsettings *f = (joinfloodsettings*)c->GetExt("joinflood");
- delete f;
- c->Shrink("joinflood");
- }
+ source->WriteServ("608 %s %s :Invalid flood parameter",source->nick,channel->name);
+ return MODEACTION_DENY;
}
- return 1;
}
- return 0;
+ else
+ {
+ if (channel->GetExt("joinflood", dummy))
+ {
+ joinfloodsettings *f;
+ channel->GetExt("joinflood", f);
+ DELETE(f);
+ channel->Shrink("joinflood");
+ channel->SetMode('j', false);
+ return MODEACTION_ALLOW;
+ }
+ }
+ return MODEACTION_DENY;
}
+};
- virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname)
+class ModuleJoinFlood : public Module
+{
+
+ JoinFlood* jf;
+
+ public:
+
+ ModuleJoinFlood(InspIRCd* Me)
+ : Module(Me)
+ {
+
+ jf = new JoinFlood(ServerInstance);
+ if (!ServerInstance->AddMode(jf, 'j'))
+ throw ModuleException("Could not add new modes!");
+ }
+
+ virtual int OnUserPreJoin(User* user, Channel* chan, const char* cname, std::string &privs)
{
if (chan)
{
- joinfloodsettings *f = (joinfloodsettings*)chan->GetExt("joinflood");
- if (f)
+ joinfloodsettings *f;
+ if (chan->GetExt("joinflood", f))
{
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(User* user, Channel* channel, bool &silent)
{
- joinfloodsettings *f = (joinfloodsettings*)channel->GetExt("joinflood");
- if (f)
+ joinfloodsettings *f;
+ if (channel->GetExt("joinflood",f))
{
f->addjoin();
if (f->shouldlock())
{
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 OnChannelDelete(chanrec* chan)
+ void OnChannelDelete(Channel* chan)
{
- if (chan->GetExt("joinflood"))
+ joinfloodsettings *f;
+ if (chan->GetExt("joinflood",f))
{
- joinfloodsettings *f = (joinfloodsettings*)chan->GetExt("joinflood");
- delete f;
+ DELETE(f);
chan->Shrink("joinflood");
}
}
void Implements(char* List)
{
- List[I_On005Numeric] = List[I_OnExtendedMode] = 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);
+ return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
}
};
-
-class ModuleJoinFloodFactory : public ModuleFactory
-{
- public:
- ModuleJoinFloodFactory()
- {
- }
-
- ~ModuleJoinFloodFactory()
- {
- }
-
- virtual Module * CreateModule(Server* Me)
- {
- return new ModuleJoinFlood(Me);
- }
-
-};
-
-
-extern "C" void * init_module( void )
-{
- return new ModuleJoinFloodFactory;
-}
-
+MODULE_INIT(ModuleJoinFlood)
projects / user / henk / code / inspircd.git / blobdiff