#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;
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)
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;
}
std::map<userrec*,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;
}
};
+/** Handles channel mode +f
+ */
class MsgFlood : public ModeHandler
{
public:
- MsgFlood() : ModeHandler('f', 1, 0, false, MODETYPE_CHANNEL, false) { }
+ MsgFlood(InspIRCd* Instance) : ModeHandler(Instance, 'f', 1, 0, false, MODETYPE_CHANNEL, false) { }
+
+ 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)
+ {
+ /* When TS is equal, the alphabetically later one wins */
+ return (their_param < our_param);
+ }
ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding)
{
+ floodsettings *f;
+
if (adding)
{
char ndata[MAXBUF];
int nsecs = atoi(secs);
if ((nlines<1) || (nsecs<1))
{
- 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);
parameter = "";
return MODEACTION_DENY;
}
else
{
- if (!channel->GetExt("flood"))
+ if (!channel->GetExt("flood", f))
{
parameter = ConvToStr(nlines) + ":" +ConvToStr(nsecs);
floodsettings *f = new floodsettings(ban,nsecs,nlines);
- channel->Extend("flood",(char*)f);
+ channel->Extend("flood",f);
channel->SetMode('f', true);
channel->SetModeParam('f', parameter.c_str(), true);
return MODEACTION_ALLOW;
}
+ else
+ {
+ if (((nlines != f->lines) || (nsecs != f->secs)) && ((nsecs > 0) && (nlines > 0)))
+ {
+ delete f;
+ floodsettings *f = new floodsettings(ban,nsecs,nlines);
+ parameter = ConvToStr(nlines) + ":" +ConvToStr(nsecs);
+ channel->Shrink("flood");
+ channel->Extend("flood",f);
+ channel->SetModeParam('f', parameter.c_str(), true);
+ return MODEACTION_ALLOW;
+ }
+ }
}
}
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);
parameter = "";
return MODEACTION_DENY;
}
}
else
{
- if (channel->GetExt("flood"))
+ if (channel->GetExt("flood", f))
{
- floodsettings *f = (floodsettings*)channel->GetExt("flood");
DELETE(f);
channel->Shrink("flood");
channel->SetMode('f', false);
class ModuleMsgFlood : public Module
{
- Server *Srv;
+
MsgFlood* mf;
public:
- ModuleMsgFlood(Server* Me)
+ ModuleMsgFlood(InspIRCd* Me)
: Module::Module(Me)
{
- Srv = Me;
- mf = new MsgFlood();
- Srv->AddMode(mf, 'f');
+
+ mf = new MsgFlood(ServerInstance);
+ ServerInstance->AddMode(mf, 'f');
}
void ProcessMessages(userrec* user,chanrec* dest, const std::string &text)
{
if (IS_LOCAL(user))
{
- floodsettings *f = (floodsettings*)dest->GetExt("flood");
- if (f)
+ floodsettings *f;
+ if (dest->GetExt("flood", f))
{
f->addmessage(user);
if (f->shouldkick(user))
f->clear(user);
if (f->ban)
{
- char* parameters[3];
+ const char* parameters[3];
parameters[0] = dest->name;
parameters[1] = "+b";
parameters[2] = user->MakeWildHost();
- Srv->SendMode(parameters,3,user);
+ 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);
}
- Srv->KickUser(NULL, user, dest, "Channel flood triggered (mode +f)");
+ dest->ServerKickUser(user, "Channel flood triggered (mode +f)", true);
}
}
}
}
- virtual void OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status)
+ 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)
{
}
}
- virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status)
+ virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
{
if (target_type == TYPE_CHANNEL)
{
void OnChannelDelete(chanrec* 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_OnChannelDelete] = List[I_OnUserNotice] = List[I_OnUserMessage] = 1;
- }
-
- virtual void On005Numeric(std::string &output)
- {
- InsertMode(output, "f", 3);
+ List[I_OnChannelDelete] = List[I_OnUserNotice] = List[I_OnUserMessage] = 1;
}
virtual ~ModuleMsgFlood()
{
+ ServerInstance->Modes->DelMode(mf);
DELETE(mf);
}
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);
}
};
{
}
- virtual Module * CreateModule(Server* Me)
+ virtual Module * CreateModule(InspIRCd* Me)
{
return new ModuleMsgFlood(Me);
}