* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * 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 <stdio.h>
-#include <map>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
#include "inspircd.h"
/* $ModDesc: Provides channel mode +f (message flood protection) */
*/
class floodsettings : public classbase
{
+ private:
+ InspIRCd *ServerInstance;
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;
+ reset = ServerInstance->Time() + secs;
};
- 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++;
{
counters[who] = 1;
}
- if (time(NULL) > reset)
+ if (ServerInstance->Time() > reset)
{
counters.clear();
- reset = time(NULL) + secs;
+ reset = ServerInstance->Time() + 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())
{
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 MsgFlood : public ModeHandler
{
public:
- MsgFlood(InspIRCd* Instance) : ModeHandler(Instance, 'f', 1, 0, false, MODETYPE_CHANNEL, false) { }
+ SimpleExtItem<floodsettings> ext;
+ MsgFlood(Module* Creator) : ModeHandler(Creator, 'f', PARAM_SETONLY, MODETYPE_CHANNEL),
+ ext("messageflood", Creator) { }
- ModePair ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter)
- {
- 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, chanrec* channel)
+ ModePair ModeSet(User* source, User* dest, Channel* channel, const std::string ¶meter)
{
- /* When TS is equal, the alphabetically later one wins */
- return (their_param < our_param);
+ floodsettings* x = ext.get(channel);
+ if (x)
+ return std::make_pair(true, (x->ban ? "*" : "")+ConvToStr(x->lines)+":"+ConvToStr(x->secs));
+ else
+ return std::make_pair(false, parameter);
}
- ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding)
+ ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
- 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->WriteServ("608 %s %s :Invalid flood parameter",source->nick,channel->name);
- parameter = "";
+ 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 *f = new floodsettings(ban,nsecs,nlines);
- channel->Extend("flood",f);
- 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
{
- if (((nlines != f->lines) || (nsecs != f->secs)) && ((nsecs > 0) && (nlines > 0)) || (ban != f->ban))
+ std::string cur_param = channel->GetModeParameter('f');
+ parameter = std::string(ban ? "*" : "") + ConvToStr(nlines) + ":" +ConvToStr(nsecs);
+ if (cur_param == parameter)
{
- delete f;
- floodsettings *f = new floodsettings(ban,nsecs,nlines);
- parameter = std::string(ban ? "*" : "") + ConvToStr(nlines) + ":" +ConvToStr(nsecs);
- channel->Shrink("flood");
- channel->Extend("flood",f);
- channel->SetModeParam('f', parameter.c_str(), true);
- return MODEACTION_ALLOW;
+ // mode params match
+ return MODEACTION_DENY;
+ }
+ else
+ {
+ if ((((nlines != f->lines) || (nsecs != f->secs) || (ban != f->ban))) && (((nsecs > 0) && (nlines > 0))))
+ {
+ floodsettings *fs = new floodsettings(ban,nsecs,nlines);
+ ext.set(channel, fs);
+ channel->SetModeParam('f', parameter);
+ return MODEACTION_ALLOW;
+ }
+ else
+ {
+ return MODEACTION_DENY;
+ }
}
}
}
}
else
{
- source->WriteServ("608 %s %s :Invalid flood parameter",source->nick,channel->name);
- parameter = "";
+ 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->AddMode(mf, 'f'))
+ if (!ServerInstance->Modes->AddMode(&mf))
throw ModuleException("Could not add new modes!");
+ Extensible::Register(&mf.ext);
+ Implementation eventlist[] = { I_OnUserPreNotice, I_OnUserPreMessage };
+ ServerInstance->Modules->Attach(eventlist, this, 2);
}
-
- void ProcessMessages(userrec* user,chanrec* 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)
+ if (!IS_LOCAL(user) || (CHANOPS_EXEMPT('f') && dest->GetPrefixValue(user) == OP_VALUE))
{
- return;
+ 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);
- std::deque<std::string> n;
- /* Propogate the ban to other servers.
- * We dont know what protocol we may be using,
- * so this event is picked up by our protocol
- * module and formed into a ban command that
- * suits the protocol in use.
- */
- n.push_back(dest->name);
- n.push_back("+b");
- n.push_back(user->MakeWildHost());
- Event rmode((char *)&n, NULL, "send_mode");
- rmode.Send(ServerInstance);
+ std::vector<std::string> parameters;
+ parameters.push_back(dest->name);
+ parameters.push_back("+b");
+ parameters.push_back(user->MakeWildHost());
+ ServerInstance->SendMode(parameters, ServerInstance->FakeClient);
+
+ ServerInstance->PI->SendModeStr(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);
- dest->ServerKickUser(user, kickmessage, true);
+
+ if (!dest->ServerKickUser(user, kickmessage))
+ {
+ delete dest;
+ }
+
+ return MOD_RES_DENY;
}
}
- }
- virtual void OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
- {
- if (target_type == TYPE_CHANNEL)
- {
- ProcessMessages(user,(chanrec*)dest,text);
- }
+ return MOD_RES_PASSTHRU;
}
- virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const 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)
- {
- ProcessMessages(user,(chanrec*)dest,text);
- }
- }
+ return ProcessMessages(user,(Channel*)dest,text);
- void OnChannelDelete(chanrec* chan)
- {
- floodsettings* f;
- if (chan->GetExt("flood", f))
- {
- DELETE(f);
- chan->Shrink("flood");
- }
+ return MOD_RES_PASSTHRU;
}
- void Implements(char* List)
+ ModResult OnUserPreNotice(User *user, void *dest, int target_type, std::string &text, char status, CUList &exempt_list)
{
- List[I_OnChannelDelete] = List[I_OnUserNotice] = List[I_OnUserMessage] = 1;
- }
+ if (target_type == TYPE_CHANNEL)
+ return ProcessMessages(user,(Channel*)dest,text);
- virtual ~ModuleMsgFlood()
- {
- ServerInstance->Modes->DelMode(mf);
- DELETE(mf);
- }
-
- virtual Version GetVersion()
- {
- return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
+ return MOD_RES_PASSTHRU;
}
-};
-
-class ModuleMsgFloodFactory : public ModuleFactory
-{
- public:
- ModuleMsgFloodFactory()
- {
- }
-
- ~ModuleMsgFloodFactory()
+ ~ModuleMsgFlood()
{
+ ServerInstance->Modes->DelMode(&mf);
}
-
- virtual Module * CreateModule(InspIRCd* Me)
+
+ Version GetVersion()
{
- return new ModuleMsgFlood(Me);
+ return Version("Provides channel mode +f (message flood protection)", VF_COMMON | VF_VENDOR, API_VERSION);
}
-
};
-
-extern "C" DllExport void * init_module( void )
-{
- return new ModuleMsgFloodFactory;
-}
-
+MODULE_INIT(ModuleMsgFlood)
projects / user / henk / code / inspircd.git / blobdiff