src/modules/m_redirect.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 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                                         if (c->IsCustomModeSet('L'))
  52                                         {
  53                                                 WriteServ(user->fd,"690 %s :Circular redirection, mode +L to %s not allowed.",user->nick,params[0].c_str());
  54                                                 return 0;
  55                                         }
  56                                 }
  57                         }
  58                         return 1;
  59                 }
  60                 return 0;
  61         }
  62
  63         void Implements(char* List)
  64         {
  65                 List[I_On005Numeric] = List[I_OnUserPreJoin] = List[I_OnExtendedMode] = 1;
  66         }
  67
  68         virtual void On005Numeric(std::string &output)
  69         {
  70                 std::stringstream line(output);
  71                 std::string temp1, temp2;
  72                 while (!line.eof())
  73                 {
  74                         line >> temp1;
  75                         if (temp1.substr(0,10) == "CHANMODES=")
  76                         {
  77                                 // By doing this we're *assuming* no other module has fucked up the CHANMODES=
  78                                 // section of the 005 numeric. If they have, we're going DOWN in a blaze of glory,
  79                                 // with a honking great EXCEPTION :)
  80                                 temp1.insert(temp1.find(",")+1,"L");
  81                         }
  82                         temp2 = temp2 + temp1 + " ";
  83                 }
  84                 if (temp2.length())
  85                         output = temp2.substr(0,temp2.length()-1);
  86         }
  87
  88         virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname)
  89         {
  90                 if (chan)
  91                 {
  92                         if (chan->IsCustomModeSet('L'))
  93                         {
  94                                 if (Srv->CountUsers(chan) >= chan->limit)
  95                                 {
  96                                         std::string channel = chan->GetModeParameter('L');
  97                                         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());
  98                                         Srv->JoinUserToChannel(user,channel.c_str(),"");
  99                                         return 1;
 100                                 }
 101                         }
 102                 }
 103                 return 0;
 104         }
 105
 106         virtual ~ModuleRedirect()
 107         {
 108         }
 109
 110         virtual Version GetVersion()
 111         {
 112                 return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
 113         }
 114 };
 115
 116
 117 class ModuleRedirectFactory : public ModuleFactory
 118 {
 119  public:
 120         ModuleRedirectFactory()
 121         {
 122         }
 123
 124         ~ModuleRedirectFactory()
 125         {
 126         }
 127
 128         virtual Module * CreateModule(Server* Me)
 129         {
 130                 return new ModuleRedirect(Me);
 131         }
 132
 133 };
 134
 135
 136 extern "C" void * init_module( void )
 137 {
 138         return new ModuleRedirectFactory;
 139 }
 140