* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * InspIRCd: (C) 2002-2010 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
/** Holds flood settings and state for mode +f
*/
-class floodsettings : public classbase
+class floodsettings
{
public:
bool ban;
time_t reset;
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;
+ reset = ServerInstance->Time() + secs;
};
void addmessage(User* who)
{
counters[who] = 1;
}
- if (time(NULL) > reset)
+ if (ServerInstance->Time() > reset)
{
counters.clear();
- reset = time(NULL) + secs;
+ reset = ServerInstance->Time() + secs;
}
}
class MsgFlood : public ModeHandler
{
public:
- MsgFlood(InspIRCd* Instance) : ModeHandler(Instance, 'f', 1, 0, false, MODETYPE_CHANNEL, false) { }
+ SimpleExtItem<floodsettings> ext;
+ MsgFlood(Module* Creator) : ModeHandler(Creator, "flood", 'f', PARAM_SETONLY, MODETYPE_CHANNEL),
+ ext("messageflood", Creator) { }
- ModePair ModeSet(User* source, User* dest, Channel* channel, const std::string ¶meter)
+ ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
- 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);
- }
-
- 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)
- {
- floodsettings *f;
+ floodsettings *f = ext.get(channel);
if (adding)
{
/* Set up the flood parameters for this channel */
int nlines = atoi(lines);
int nsecs = atoi(secs);
- if ((nlines<1) || (nsecs<1))
+ if ((nlines<2) || (nsecs<1))
{
- source->WriteNumeric(608, "%s %s :Invalid flood parameter",source->nick,channel->name);
+ source->WriteNumeric(608, "%s %s :Invalid flood parameter",source->nick.c_str(),channel->name.c_str());
parameter.clear();
return MODEACTION_DENY;
}
else
{
- if (!channel->GetExt("flood", f))
+ if (!f)
{
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);
+ f = new floodsettings(ban,nsecs,nlines);
+ ext.set(channel, f);
+ channel->SetModeParam('f', parameter);
return MODEACTION_ALLOW;
}
else
}
else
{
- if (((nlines != f->lines) || (nsecs != f->secs)) && ((nsecs > 0) && (nlines > 0)) || (ban != f->ban))
+ if ((((nlines != f->lines) || (nsecs != f->secs) || (ban != f->ban))) && (((nsecs > 0) && (nlines > 0))))
{
- 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);
+ ext.set(channel, fs);
+ channel->SetModeParam('f', parameter);
return MODEACTION_ALLOW;
}
else
}
else
{
- source->WriteNumeric(608, "%s %s :Invalid flood parameter",source->nick,channel->name);
+ source->WriteNumeric(608, "%s %s :Invalid flood parameter",source->nick.c_str(),channel->name.c_str());
parameter.clear();
return MODEACTION_DENY;
}
}
else
{
- if (channel->GetExt("flood", f))
+ if (f)
{
- delete f;
- channel->Shrink("flood");
- channel->SetMode('f', false);
+ ext.unset(channel);
+ channel->SetModeParam('f', "");
return MODEACTION_ALLOW;
}
}
-
+
return MODEACTION_DENY;
}
};
class ModuleMsgFlood : public Module
{
-
- MsgFlood* mf;
-
+ MsgFlood mf;
+
public:
-
- ModuleMsgFlood(InspIRCd* Me)
- : Module(Me)
+
+ ModuleMsgFlood()
+ : mf(this)
{
-
- mf = new MsgFlood(ServerInstance);
- if (!ServerInstance->Modes->AddMode(mf))
+ 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);
+ ServerInstance->Extensions.Register(&mf.ext);
+ Implementation eventlist[] = { I_OnUserPreNotice, I_OnUserPreMessage };
+ ServerInstance->Modules->Attach(eventlist, this, 2);
}
-
- int ProcessMessages(User* user,Channel* dest, const std::string &text)
+
+ ModResult ProcessMessages(User* user,Channel* dest, const std::string &text)
{
- if (!IS_LOCAL(user) || CHANOPS_EXEMPT(ServerInstance, 'f') && dest->GetStatus(user) == STATUS_OP)
- {
- return 0;
- }
+ ModResult res = ServerInstance->OnCheckExemption(user,dest,"flood");
+ if (!IS_LOCAL(user) || res == MOD_RES_ALLOW)
+ return MOD_RES_PASSTHRU;
- floodsettings *f;
- if (dest->GetExt("flood", f))
+ floodsettings *f = mf.ext.get(dest);
+ if (f)
{
f->addmessage(user);
if (f->shouldkick(user))
f->clear(user);
if (f->ban)
{
- 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());
+ std::vector<std::string> parameters;
+ parameters.push_back(dest->name);
+ parameters.push_back("+b");
+ parameters.push_back(user->MakeWildHost());
+ ServerInstance->SendGlobalMode(parameters, ServerInstance->FakeClient);
}
+
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;
- }
+
+ dest->KickUser(ServerInstance->FakeClient, user, kickmessage);
+
+ return MOD_RES_DENY;
}
}
-
- return 0;
+
+ return MOD_RES_PASSTHRU;
}
- virtual int OnUserPreMessage(User *user, void *dest, int target_type, std::string &text, char status, CUList &exempt_list)
+ ModResult OnUserPreMessage(User *user, void *dest, int target_type, std::string &text, char status, CUList &exempt_list)
{
if (target_type == TYPE_CHANNEL)
return ProcessMessages(user,(Channel*)dest,text);
-
- return 0;
+
+ return MOD_RES_PASSTHRU;
}
- virtual int OnUserPreNotice(User *user, void *dest, int target_type, std::string &text, char status, CUList &exempt_list)
+ ModResult OnUserPreNotice(User *user, void *dest, int target_type, std::string &text, char status, CUList &exempt_list)
{
if (target_type == TYPE_CHANNEL)
return ProcessMessages(user,(Channel*)dest,text);
-
- return 0;
- }
- void OnChannelDelete(Channel* chan)
- {
- floodsettings* f;
- if (chan->GetExt("flood", f))
- {
- delete f;
- chan->Shrink("flood");
- }
+ return MOD_RES_PASSTHRU;
}
-
- virtual ~ModuleMsgFlood()
+ ~ModuleMsgFlood()
{
- ServerInstance->Modes->DelMode(mf);
- delete mf;
}
-
- virtual Version GetVersion()
+
+ Version GetVersion()
{
- return Version(1, 2, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
+ return Version("Provides channel mode +f (message flood protection)", VF_VENDOR);
}
};