]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_messageflood.cpp
WriteChannel* functions and ChanExceptSender* functions are now methods of chanrec...
[user/henk/code/inspircd.git] / src / modules / m_messageflood.cpp
index 1f07e81558b4d61d6d035039dba01fc2bf745038..6079eb47b733c27b9ebdf421836ae57ddbf77163 100644 (file)
@@ -25,7 +25,7 @@ using namespace std;
 
 /* $ModDesc: Provides channel mode +f (message flood protection) */
 
-class floodsettings
+class floodsettings : public classbase
 {
  public:
        bool ban;
@@ -67,6 +67,7 @@ class floodsettings
                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;
@@ -82,175 +83,196 @@ class floodsettings
        }
 };
 
-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 &parameter)
+        {
+               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 &params)
+
+       ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, 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))
-                                       {
-                                               WriteServ(user->fd,"608 %s %s :Invalid flood parameter",user->nick,c->name);
-                                               return 0;
-                                       }
-                                       else
+                                       if (!channel->GetExt("flood", f))
                                        {
-                                               if (!c->GetExt("flood"))
-                                               {
-                                                       floodsettings *f = new floodsettings(ban,nlines,nsecs);
-                                                       c->Extend("flood",(char*)f);
-                                               }
+                                               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;
                                        }
-                                       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;
        }
+};
 
-       int ProcessMessages(userrec* user,chanrec* dest,std::string &text)
+class ModuleMsgFlood : public Module
+{
+       Server *Srv;
+       MsgFlood* mf;
+       
+ public:
+       ModuleMsgFlood(Server* Me)
+               : Module::Module(Me)
        {
-               floodsettings *f = (floodsettings*)dest->GetExt("flood");
-               if (f)
+               Srv = Me;
+               mf = new MsgFlood();
+               Srv->AddMode(mf, 'f');
+       }
+       
+       void ProcessMessages(userrec* user,chanrec* dest, const std::string &text)
+       {
+               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();
+                                       }
+                                       dest->ServerKickUser(user, "Channel flood triggered (mode +f)", true);
                                }
-                               Srv->KickUser(NULL, user, dest, "Channel flood triggered (mode +f)");
-                               return 1;
                        }
                }
-               return 0;
        }
 
-        virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text)
-        {
-                if (target_type == TYPE_CHANNEL)
-                {
-                        return ProcessMessages(user,(chanrec*)dest,text);
-                }
-                else return 0;
+       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);
+               }
        }
 
-       virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text)
+       virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status)
        {
                if (target_type == TYPE_CHANNEL)
                {
-                       return ProcessMessages(user,(chanrec*)dest,text);
+                       ProcessMessages(user,(chanrec*)dest,text);
                }
-               else return 0;
        }
 
        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_OnUserPreNotice] = List[I_OnUserPreMessage] = 1;
+               List[I_On005Numeric] = List[I_OnChannelDelete] = List[I_OnUserNotice] = List[I_OnUserMessage] = 1;
        }
 
-        virtual void On005Numeric(std::string &output)
-        {
-                std::stringstream line(output);
-                std::string temp1, temp2;
-                while (!line.eof())
-                {
-                        line >> temp1;
-                        if (temp1.substr(0,10) == "CHANMODES=")
-                        {
-                               // By doing this we're *assuming* no other module has fucked up the CHANMODES=
-                               // section of the 005 numeric. If they have, we're going DOWN in a blaze of glory,
-                               // with a honking great EXCEPTION :)
-                               temp1.insert(temp1.find(",")+1,"f");
-                        }
-                        temp2 = temp2 + temp1 + " ";
-                }
-               if (temp2.length())
-                       output = temp2.substr(0,temp2.length()-1);
-        }
+       virtual void On005Numeric(std::string &output)
+       {
+               InsertMode(output, "f", 3);
+       }
 
        virtual ~ModuleMsgFlood()
        {
+               DELETE(mf);
        }
        
        virtual Version GetVersion()