src/modules/m_redirect.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 using namespace std;
  18
  19 #include <stdio.h>
  20 #include "users.h"
  21 #include "channels.h"
  22 #include "modules.h"
  23 #include "helperfuncs.h"
  24
  25 /* $ModDesc: Provides channel mode +L (limit redirection) */
  26
  27
  28 class ModuleRedirect : public Module
  29 {
  30         Server *Srv;
  31
  32  public:
  33
  34         ModuleRedirect(Server* Me)
  35                 : Module::Module(Me)
  36         {
  37                 Srv = Me;
  38                 Srv->AddExtendedMode('L',MT_CHANNEL,false,1,0);
  39         }
  40
  41         virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list &params)
  42         {
  43                 if ((modechar == 'L') && (type == MT_CHANNEL))
  44                 {
  45                         if (mode_on)
  46                         {
  47                                 std::string ChanToJoin = params[0];
  48                                 chanrec* c = Srv->FindChannel(ChanToJoin);
  49                                 if (c)
  50                                 {
  51                                         /* Fix by brain: Dont let a channel be linked to *itself* either */
  52                                         if ((c == target) || (c->IsCustomModeSet('L')))
  53                                         {
  54                                                 WriteServ(user->fd,"690 %s :Circular redirection, mode +L to %s not allowed.",user->nick,params[0].c_str());
  55                                                 return 0;
  56                                         }
  57                                 }
  58                         }
  59                         return 1;
  60                 }
  61                 return 0;
  62         }
  63
  64         void Implements(char* List)
  65         {
  66                 List[I_On005Numeric] = List[I_OnUserPreJoin] = List[I_OnExtendedMode] = 1;
  67         }
  68
  69         virtual void On005Numeric(std::string &output)
  70         {
  71                 InsertMode(output, "L", 3);
  72         }
  73
  74         virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname)
  75         {
  76                 if (chan)
  77                 {
  78                         if (chan->IsCustomModeSet('L'))
  79                         {
  80                                 if (Srv->CountUsers(chan) >= chan->limit)
  81                                 {
  82                                         std::string channel = chan->GetModeParameter('L');
  83                                         WriteServ(user->fd,"470 %s :%s has become full, so you are automatically being transferred to the linked channel %s",user->nick,cname,channel.c_str());
  84                                         Srv->JoinUserToChannel(user,channel.c_str(),"");
  85                                         return 1;
  86                                 }
  87                         }
  88                 }
  89                 return 0;
  90         }
  91
  92         virtual ~ModuleRedirect()
  93         {
  94         }
  95
  96         virtual Version GetVersion()
  97         {
  98                 return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
  99         }
 100 };
 101
 102
 103 class ModuleRedirectFactory : public ModuleFactory
 104 {
 105  public:
 106         ModuleRedirectFactory()
 107         {
 108         }
 109
 110         ~ModuleRedirectFactory()
 111         {
 112         }
 113
 114         virtual Module * CreateModule(Server* Me)
 115         {
 116                 return new ModuleRedirect(Me);
 117         }
 118
 119 };
 120
 121
 122 extern "C" void * init_module( void )
 123 {
 124         return new ModuleRedirectFactory;
 125 }
 126