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 e3da4622f400ce62b265aadc0e11ff87fce4db8d..8d2d152c204d7c282c3a2cb96bb0523a83e8cb83 100644 (file)
--- a/src/modules/m_redirect.cpp
+++ b/src/modules/m_redirect.cpp
@@ -24,11 +24,28 @@ using namespace std;
 
 /* $ModDesc: Provides channel mode +L (limit redirection) */
 
+extern chan_hash chanlist;
+
 class Redirect : public ModeHandler
 {
+       Server* Srv;
  public:
-       Redirect() : ModeHandler('L', 1, 0, false, MODETYPE_CHANNEL, false) { }
+       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)
+       {
+               /* When TS is equal, the alphabetically later one wins */
+               return (their_param < our_param);
+        }
+       
        ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
        {
                if (adding)
@@ -37,7 +54,7 @@ class Redirect : public ModeHandler
 
                        if (!IsValidChannelName(parameter.c_str()))
                        {
-                               WriteServ(user->fd,"403 %s %s :Invalid channel name",user->nick, parameter.c_str());
+                               WriteServ(source->fd,"403 %s %s :Invalid channel name",source->nick, parameter.c_str());
                                parameter = "";
                                return MODEACTION_DENY;
                        }
@@ -46,24 +63,47 @@ class Redirect : public ModeHandler
                        if (c)
                        {
                                /* Fix by brain: Dont let a channel be linked to *itself* either */
-                               if ((c == target) || (c->IsModeSet('L')))
+                               if ((c == channel) || (c->IsModeSet('L')))
                                {
-                                       WriteServ(user->fd,"690 %s :Circular redirection, mode +L to %s not allowed.",user->nick,parameter.c_str());
+                                       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;
                                }
+                               else
+                               {
+                                       for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
+                                       {
+                                               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;
+                                               }
+                                       }
+                               }
                        }
 
-                       c->SetMode('L', true);
-                       c->SetModeParam('L', parameter);
+                       channel->SetMode('L', true);
+                       channel->SetModeParam('L', parameter.c_str(), true);
                        return MODEACTION_ALLOW;
                }
+               else
+               {
+                       if (channel->IsModeSet('L'))
+                       {
+                               channel->SetMode('L', false);
+                               return MODEACTION_ALLOW;
+                       }
+               }
+
+               return MODEACTION_DENY;
+               
        }
 };
 
 class ModuleRedirect : public Module
 {
        Server *Srv;
+       Redirect* re;
        
  public:
  
@@ -71,43 +111,13 @@ class ModuleRedirect : public Module
                : Module::Module(Me)
        {
                Srv = Me;
-               Srv->AddExtendedMode('L',MT_CHANNEL,false,1,0);
+               re = new Redirect(Me);
+               Srv->AddMode(re, 'L');
        }
        
-       virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list &params)
-       {
-               if ((modechar == 'L') && (type == MT_CHANNEL))
-               {
-                       if (mode_on)
-                       {
-                               std::string ChanToJoin = params[0];
-                               chanrec *c;
-
-                               if (!IsValidChannelName(ChanToJoin.c_str()))
-                               {
-                                       WriteServ(user->fd,"403 %s %s :Invalid channel name",user->nick, ChanToJoin.c_str());
-                                       return 0;
-                               }
-
-                               c = Srv->FindChannel(ChanToJoin);
-                               if (c)
-                               {
-                                       /* Fix by brain: Dont let a channel be linked to *itself* either */
-                                       if ((c == target) || (c->IsModeSet('L')))
-                                       {
-                                               WriteServ(user->fd,"690 %s :Circular redirection, mode +L to %s not allowed.",user->nick,params[0].c_str());
-                                               return 0;
-                                       }
-                               }
-                       }
-                       return 1;
-               }
-               return 0;
-       }
-
        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)
@@ -135,6 +145,7 @@ class ModuleRedirect : public Module
 
        virtual ~ModuleRedirect()
        {
+               DELETE(re);
        }
        
        virtual Version GetVersion()