/* $ModDesc: Provides channel mode +f (message flood protection) */
-class floodsettings
+class floodsettings : public classbase
{
public:
bool ban;
}
};
-class ModuleMsgFlood : public Module
+class MsgFlood : public ModeHandler
{
- Server *Srv;
-
public:
-
- ModuleMsgFlood(Server* Me)
- : Module::Module(Me)
+ MsgFlood() : ModeHandler('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)
{
- Srv = Me;
- Srv->AddExtendedMode('f',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(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding)
{
- if ((modechar == 'f') && (type == MT_CHANNEL))
+ 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++;
+ WriteServ(source->fd,"608 %s %s :Invalid flood parameter",source->nick,channel->name);
+ parameter = "";
+ 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 = 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);
+ return MODEACTION_ALLOW;
}
- else
- {
- if (!c->GetExt("flood"))
- {
- floodsettings *f = new floodsettings(ban,nlines,nsecs);
- c->Extend("flood",(char*)f);
- }
- }
- 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");
- }
+ WriteServ(source->fd,"608 %s %s :Invalid flood parameter",source->nick,channel->name);
+ parameter = "";
+ return MODEACTION_DENY;
+ }
+ }
+ else
+ {
+ if (channel->GetExt("flood", f))
+ {
+ DELETE(f);
+ channel->Shrink("flood");
+ channel->SetMode('f', false);
+ return MODEACTION_ALLOW;
}
- return 1;
}
- return 0;
+
+ return MODEACTION_DENY;
}
+};
- void ProcessMessages(userrec* user,chanrec* dest,std::string &text)
+class ModuleMsgFlood : public Module
+{
+ Server *Srv;
+ MsgFlood* mf;
+
+ public:
+
+ ModuleMsgFlood(Server* Me)
+ : Module::Module(Me)
+ {
+ Srv = Me;
+ mf = new MsgFlood();
+ Srv->AddMode(mf, 'f');
+ }
+
+ void ProcessMessages(userrec* user,chanrec* dest, const std::string &text)
{
- floodsettings *f = (floodsettings*)dest->GetExt("flood");
- if (f)
+ if (IS_LOCAL(user))
{
- f->addmessage(user);
- if (f->shouldkick(user))
+ floodsettings *f;
+ if (dest->GetExt("flood", f))
{
- /* Youre outttta here! */
- f->clear(user);
- if (f->ban)
+ f->addmessage(user);
+ if (f->shouldkick(user))
{
- char* parameters[3];
- parameters[0] = dest->name;
- parameters[1] = "+b";
- parameters[2] = user->MakeWildHost();
- Srv->SendMode(parameters,3,user);
+ /* Youre outttta here! */
+ f->clear(user);
+ if (f->ban)
+ {
+ const char* parameters[3];
+ parameters[0] = dest->name;
+ parameters[1] = "+b";
+ parameters[2] = user->MakeWildHost();
+ Srv->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();
+ }
+ Srv->KickUser(NULL, user, dest, "Channel flood triggered (mode +f)");
}
- Srv->KickUser(NULL, user, dest, "Channel flood triggered (mode +f)");
}
}
}
- virtual void OnUserMessage(userrec* user, void* dest, int target_type, std::string text, char status)
+ virtual void OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status)
{
- if (target_type == TYPE_CHANNEL)
- {
- ProcessMessages(user,(chanrec*)dest,text);
- }
+ if (target_type == TYPE_CHANNEL)
+ {
+ ProcessMessages(user,(chanrec*)dest,text);
+ }
}
- virtual void OnUserNotice(userrec* user, void* dest, int target_type, std::string text, char status)
+ virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status)
{
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;
+ 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;
+ List[I_On005Numeric] = List[I_OnChannelDelete] = List[I_OnUserNotice] = List[I_OnUserMessage] = 1;
}
virtual void On005Numeric(std::string &output)
virtual ~ModuleMsgFlood()
{
+ DELETE(mf);
}
virtual Version GetVersion()