Now with added ANGRY MONKEYS.

[user/henk/code/inspircd.git] / src / modules / m_redirect.cpp

diff --git a/src/modules/m_redirect.cpp b/src/modules/m_redirect.cpp
index 799eb25deecb3f8ca906eb0ba5fae1ab51f0875c..8d2d152c204d7c282c3a2cb96bb0523a83e8cb83 100644 (file)
--- a/src/modules/m_redirect.cpp
+++ b/src/modules/m_redirect.cpp
@@ -24,54 +24,100 @@ using namespace std;
 
 /* $ModDesc: Provides channel mode +L (limit redirection) */
 
+extern chan_hash chanlist;
 
-class ModuleRedirect : public Module
+class Redirect : public ModeHandler
 {
-       Server *Srv;
-       
+       Server* Srv;
  public:
- 
-       ModuleRedirect(Server* Me)
-               : Module::Module(Me)
+       Redirect(Server* s) : ModeHandler('L', 1, 0, false, MODETYPE_CHANNEL, false), Srv(s) { }
+
+        ModePair ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string &parameter)
+        {
+                if (channel->IsModeSet('L'))
+                        return std::make_pair(true, channel->GetModeParameter('L'));
+                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('L',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 == 'L') && (type == MT_CHANNEL))
+               if (adding)
                {
-                       if (mode_on)
+                       chanrec* c = NULL;
+
+                       if (!IsValidChannelName(parameter.c_str()))
                        {
-                               std::string ChanToJoin = params[0];
-                               chanrec *c;
+                               WriteServ(source->fd,"403 %s %s :Invalid channel name",source->nick, parameter.c_str());
+                               parameter = "";
+                               return MODEACTION_DENY;
+                       }
 
-                               if (!IsValidChannelName(ChanToJoin.c_str()))
+                       c = Srv->FindChannel(parameter);
+                       if (c)
+                       {
+                               /* Fix by brain: Dont let a channel be linked to *itself* either */
+                               if ((c == channel) || (c->IsModeSet('L')))
                                {
-                                       WriteServ(user->fd,"403 %s %s :Invalid channel name",user->nick, ChanToJoin.c_str());
-                                       return 0;
+                                       WriteServ(source->fd,"690 %s :Circular or chained +L to %s not allowed (Channel already has +L). Pack of wild dogs has been unleashed.",source->nick,parameter.c_str());
+                                       parameter = "";
+                                       return MODEACTION_DENY;
                                }
-
-                               c = Srv->FindChannel(ChanToJoin);
-                               if (c)
+                               else
                                {
-                                       /* Fix by brain: Dont let a channel be linked to *itself* either */
-                                       if ((c == target) || (c->IsModeSet('L')))
+                                       for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
                                        {
-                                               WriteServ(user->fd,"690 %s :Circular redirection, mode +L to %s not allowed.",user->nick,params[0].c_str());
-                                               return 0;
+                                               if ((i->second != channel) && (i->second->IsModeSet('L')) && (irc::string(i->second->GetModeParameter('L').c_str()) == irc::string(channel->name)))
+                                               {
+                                                       WriteServ(source->fd,"690 %s :Circular or chained +L to %s not allowed (Already forwarded here from %s). Angry monkeys dispatched.",source->nick,parameter.c_str(),i->second->name);
+                                                       return MODEACTION_DENY;
+                                               }
                                        }
                                }
                        }
-                       return 1;
+
+                       channel->SetMode('L', true);
+                       channel->SetModeParam('L', parameter.c_str(), true);
+                       return MODEACTION_ALLOW;
                }
-               return 0;
+               else
+               {
+                       if (channel->IsModeSet('L'))
+                       {
+                               channel->SetMode('L', false);
+                               return MODEACTION_ALLOW;
+                       }
+               }
+
+               return MODEACTION_DENY;
+               
        }
+};
 
+class ModuleRedirect : public Module
+{
+       Server *Srv;
+       Redirect* re;
+       
+ public:
+ 
+       ModuleRedirect(Server* Me)
+               : Module::Module(Me)
+       {
+               Srv = Me;
+               re = new Redirect(Me);
+               Srv->AddMode(re, 'L');
+       }
+       
        void Implements(char* List)
        {
-               List[I_On005Numeric] = List[I_OnUserPreJoin] = List[I_OnExtendedMode] = 1;
+               List[I_On005Numeric] = List[I_OnUserPreJoin] = 1;
        }
 
        virtual void On005Numeric(std::string &output)
@@ -99,6 +145,7 @@ class ModuleRedirect : public Module
 
        virtual ~ModuleRedirect()
        {
+               DELETE(re);
        }
        
        virtual Version GetVersion()