* | 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 <map>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "helperfuncs.h"
+#include "inspircd.h"
/* $ModDesc: Provides channel mode +f (message flood protection) */
-class floodsettings
+/** Holds flood settings and state for mode +f
+ */
+class floodsettings : public classbase
{
public:
bool ban;
int secs;
int lines;
time_t reset;
- std::map<userrec*,int> counters;
+ std::map<User*,int> counters;
floodsettings() : ban(0), secs(0), lines(0) {};
floodsettings(bool a, int b, int c) : ban(a), secs(b), lines(c)
{
reset = time(NULL) + secs;
- log(DEBUG,"Create new floodsettings: %lu %lu",time(NULL),reset);
};
- void addmessage(userrec* who)
+ void addmessage(User* who)
{
- std::map<userrec*,int>::iterator iter = counters.find(who);
+ std::map<User*,int>::iterator iter = counters.find(who);
if (iter != counters.end())
{
iter->second++;
- log(DEBUG,"Count for %s is now %d",who->nick,iter->second);
}
else
{
counters[who] = 1;
- log(DEBUG,"Count for %s is now *1*",who->nick);
}
if (time(NULL) > reset)
{
- log(DEBUG,"floodsettings timer Resetting.");
counters.clear();
reset = time(NULL) + secs;
}
}
- bool shouldkick(userrec* who)
+ bool shouldkick(User* who)
{
- std::map<userrec*,int>::iterator iter = counters.find(who);
+ std::map<User*,int>::iterator iter = counters.find(who);
if (iter != counters.end())
{
- log(DEBUG,"should kick? %d, %d",iter->second,this->lines);
return (iter->second >= this->lines);
}
else return false;
}
- void clear(userrec* who)
+ void clear(User* who)
{
- std::map<userrec*,int>::iterator iter = counters.find(who);
+ std::map<User*,int>::iterator iter = counters.find(who);
if (iter != counters.end())
{
counters.erase(iter);
}
};
-class ModuleMsgFlood : public Module
+/** Handles channel mode +f
+ */
+class MsgFlood : public ModeHandler
{
- Server *Srv;
-
public:
-
- ModuleMsgFlood(Server* Me)
- : Module::Module(Me)
+ MsgFlood(InspIRCd* Instance) : ModeHandler(Instance, 'f', 1, 0, false, MODETYPE_CHANNEL, false) { }
+
+ ModePair ModeSet(User* source, User* dest, Channel* channel, const std::string ¶meter)
{
- Srv = Me;
- Srv->AddExtendedMode('f',MT_CHANNEL,false,1,0);
+ floodsettings* x;
+ if (channel->GetExt("flood",x))
+ return std::make_pair(true, (x->ban ? "*" : "")+ConvToStr(x->lines)+":"+ConvToStr(x->secs));
+ 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)
{
- if ((modechar == 'f') && (type == MT_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)
+ {
+ floodsettings *f;
+
+ if (adding)
{
- if (mode_on)
+ char ndata[MAXBUF];
+ char* data = ndata;
+ strlcpy(ndata,parameter.c_str(),MAXBUF);
+ char* lines = data;
+ char* secs = NULL;
+ bool ban = false;
+ if (*data == '*')
{
- std::string FloodParams = params[0];
- chanrec* c = (chanrec*)target;
- char ndata[MAXBUF];
- char* data = ndata;
- strlcpy(ndata,FloodParams.c_str(),MAXBUF);
- char* lines = data;
- char* secs = NULL;
- bool ban = false;
- if (*data == '*')
- {
- ban = true;
- lines++;
- }
- else
+ ban = true;
+ lines++;
+ }
+ else
+ {
+ ban = false;
+ }
+ while (*data)
+ {
+ if (*data == ':')
{
- ban = false;
+ *data = 0;
+ data++;
+ secs = data;
+ break;
}
- while (*data)
+ else data++;
+ }
+ if (secs)
+ {
+ /* Set up the flood parameters for this channel */
+ int nlines = atoi(lines);
+ int nsecs = atoi(secs);
+ if ((nlines<1) || (nsecs<1))
{
- if (*data == ':')
- {
- *data = 0;
- data++;
- secs = data;
- break;
- }
- else data++;
+ source->WriteNumeric(608, "%s %s :Invalid flood parameter",source->nick,channel->name);
+ parameter.clear();
+ return MODEACTION_DENY;
}
- if (secs)
+ else
{
- /* Set up the flood parameters for this channel */
- int nlines = atoi(lines);
- int nsecs = atoi(secs);
- if ((nlines<1) || (nsecs<1))
+ if (!channel->GetExt("flood", f))
{
- WriteServ(user->fd,"608 %s %s :Invalid flood parameter",user->nick,c->name);
- return 0;
+ parameter = std::string(ban ? "*" : "") + ConvToStr(nlines) + ":" +ConvToStr(nsecs);
+ floodsettings *fs = new floodsettings(ban,nsecs,nlines);
+ channel->Extend("flood",fs);
+ channel->SetMode('f', true);
+ channel->SetModeParam('f', parameter.c_str(), true);
+ return MODEACTION_ALLOW;
}
else
{
- if (!c->GetExt("flood"))
+ std::string cur_param = channel->GetModeParameter('f');
+ parameter = std::string(ban ? "*" : "") + ConvToStr(nlines) + ":" +ConvToStr(nsecs);
+ if (cur_param == parameter)
{
- floodsettings *f = new floodsettings(ban,nlines,nsecs);
- c->Extend("flood",(char*)f);
+ // mode params match
+ return MODEACTION_DENY;
+ }
+ else
+ {
+ if (((nlines != f->lines) || (nsecs != f->secs)) && ((nsecs > 0) && (nlines > 0)) || (ban != f->ban))
+ {
+ delete f;
+ floodsettings *fs = new floodsettings(ban,nsecs,nlines);
+ channel->Shrink("flood");
+ channel->Extend("flood",fs);
+ channel->SetModeParam('f', cur_param.c_str(), false);
+ channel->SetModeParam('f', 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("flood"))
- {
- floodsettings *f = (floodsettings*)c->GetExt("flood");
- delete f;
- c->Shrink("flood");
- }
+ source->WriteNumeric(608, "%s %s :Invalid flood parameter",source->nick,channel->name);
+ parameter.clear();
+ return MODEACTION_DENY;
}
- return 1;
}
- return 0;
+ else
+ {
+ if (channel->GetExt("flood", f))
+ {
+ delete f;
+ channel->Shrink("flood");
+ channel->SetMode('f', false);
+ return MODEACTION_ALLOW;
+ }
+ }
+
+ return MODEACTION_DENY;
}
+};
- void ProcessMessages(userrec* user,chanrec* dest, const std::string &text)
+class ModuleMsgFlood : public Module
+{
+
+ MsgFlood* mf;
+
+ public:
+
+ ModuleMsgFlood(InspIRCd* Me)
+ : Module(Me)
{
- if (IS_LOCAL(user))
+
+ mf = new MsgFlood(ServerInstance);
+ if (!ServerInstance->Modes->AddMode(mf))
+ throw ModuleException("Could not add new modes!");
+ Implementation eventlist[] = { I_OnChannelDelete, I_OnUserPreNotice, I_OnUserPreMessage };
+ ServerInstance->Modules->Attach(eventlist, this, 3);
+ }
+
+ int ProcessMessages(User* user,Channel* dest, const std::string &text)
+ {
+ if (!IS_LOCAL(user) || CHANOPS_EXEMPT(ServerInstance, 'f') && dest->GetStatus(user) == STATUS_OP)
{
- floodsettings *f = (floodsettings*)dest->GetExt("flood");
- if (f)
+ return 0;
+ }
+
+ floodsettings *f;
+ if (dest->GetExt("flood", f))
+ {
+ f->addmessage(user);
+ if (f->shouldkick(user))
{
- f->addmessage(user);
- if (f->shouldkick(user))
+ /* Youre outttta here! */
+ f->clear(user);
+ if (f->ban)
{
- /* Youre outttta here! */
- f->clear(user);
- if (f->ban)
- {
- char* parameters[3];
- parameters[0] = dest->name;
- parameters[1] = "+b";
- parameters[2] = user->MakeWildHost();
- Srv->SendMode(parameters,3,user);
- }
- Srv->KickUser(NULL, user, dest, "Channel flood triggered (mode +f)");
+ const char* parameters[3];
+ parameters[0] = dest->name;
+ parameters[1] = "+b";
+ parameters[2] = user->MakeWildHost();
+ ServerInstance->SendMode(parameters,3,user);
+
+ ServerInstance->PI->SendMode(dest->name, std::string("+b ") + user->MakeWildhost());
+ }
+ char kickmessage[MAXBUF];
+ snprintf(kickmessage, MAXBUF, "Channel flood triggered (limit is %d lines in %d secs)", f->lines, f->secs);
+ if (!dest->ServerKickUser(user, kickmessage, true))
+ {
+ delete dest;
+ return 1;
}
}
}
+
+ return 0;
}
- virtual void OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status)
+ virtual int OnUserPreMessage(User *user, void *dest, int target_type, std::string &text, char status, CUList &exempt_list)
{
- if (target_type == TYPE_CHANNEL)
- {
- ProcessMessages(user,(chanrec*)dest,text);
- }
+ if (target_type == TYPE_CHANNEL)
+ return ProcessMessages(user,(Channel*)dest,text);
+
+ return 0;
}
- virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status)
+ virtual int OnUserPreNotice(User *user, void *dest, int target_type, std::string &text, char status, CUList &exempt_list)
{
if (target_type == TYPE_CHANNEL)
- {
- ProcessMessages(user,(chanrec*)dest,text);
- }
+ return ProcessMessages(user,(Channel*)dest,text);
+
+ return 0;
}
- void OnChannelDelete(chanrec* chan)
+ void OnChannelDelete(Channel* chan)
{
- if (chan->GetExt("flood"))
+ floodsettings* f;
+ if (chan->GetExt("flood", f))
{
- floodsettings *f = (floodsettings*)chan->GetExt("flood");
delete f;
chan->Shrink("flood");
}
}
- void Implements(char* List)
- {
- List[I_On005Numeric] = List[I_OnExtendedMode] = List[I_OnChannelDelete] = List[I_OnUserNotice] = List[I_OnUserMessage] = 1;
- }
-
- virtual void On005Numeric(std::string &output)
- {
- InsertMode(output, "f", 3);
- }
virtual ~ModuleMsgFlood()
{
+ ServerInstance->Modes->DelMode(mf);
+ delete mf;
}
virtual Version GetVersion()
{
- return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
- }
-};
-
-
-class ModuleMsgFloodFactory : public ModuleFactory
-{
- public:
- ModuleMsgFloodFactory()
- {
- }
-
- ~ModuleMsgFloodFactory()
- {
+ return Version(1, 2, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
}
-
- virtual Module * CreateModule(Server* Me)
- {
- return new ModuleMsgFlood(Me);
- }
-
};
-
-extern "C" void * init_module( void )
-{
- return new ModuleMsgFloodFactory;
-}
-
+MODULE_INIT(ModuleMsgFlood)
projects / user / henk / code / inspircd.git / blobdiff