src/modules/m_nonicks.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15
  16 /* $ModDesc: Provides support for channel mode +N which prevents nick changes on channel */
  17
  18 class NoNicks : public ModeHandler
  19 {
  20  public:
  21         NoNicks(InspIRCd* Instance) : ModeHandler(Instance, 'N', 0, 0, false, MODETYPE_CHANNEL, false) { }
  22
  23         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  24         {
  25                 if (adding)
  26                 {
  27                         if (!channel->IsModeSet('N'))
  28                         {
  29                                 channel->SetMode('N',true);
  30                                 return MODEACTION_ALLOW;
  31                         }
  32                 }
  33                 else
  34                 {
  35                         if (channel->IsModeSet('N'))
  36                         {
  37                                 channel->SetMode('N',false);
  38                                 return MODEACTION_ALLOW;
  39                         }
  40                 }
  41
  42                 return MODEACTION_DENY;
  43         }
  44 };
  45
  46 class ModuleNoNickChange : public Module
  47 {
  48         NoNicks* nn;
  49  public:
  50         ModuleNoNickChange(InspIRCd* Me)
  51                 : Module(Me)
  52         {
  53
  54                 nn = new NoNicks(ServerInstance);
  55                 ServerInstance->AddMode(nn, 'N');
  56         }
  57
  58         virtual ~ModuleNoNickChange()
  59         {
  60                 ServerInstance->Modes->DelMode(nn);
  61                 DELETE(nn);
  62         }
  63
  64         virtual Version GetVersion()
  65         {
  66                 return Version(1,1,0,1,VF_COMMON|VF_VENDOR,API_VERSION);
  67         }
  68
  69         void Implements(char* List)
  70         {
  71                 List[I_OnUserPreNick] = 1;
  72         }
  73
  74         virtual int OnUserPreNick(userrec* user, const std::string &newnick)
  75         {
  76                 if (IS_LOCAL(user))
  77                 {
  78                         if (isdigit(newnick[0])) /* don't even think about touching a switch to uid! */
  79                                 return 0;
  80
  81                         for (UCListIter i = user->chans.begin(); i != user->chans.end(); i++)
  82                         {
  83                                 chanrec* curr = i->first;
  84
  85                                 if (curr->IsModeSet('N'))
  86                                 {
  87                                         if (CHANOPS_EXEMPT(ServerInstance, 'N') && curr->GetStatus(user) == STATUS_OP)
  88                                                 continue;
  89
  90                                         user->WriteServ("447 %s :Can't change nickname while on %s (+N is set)", user->nick, curr->name);
  91                                         return 1;
  92                                 }
  93                         }
  94                 }
  95
  96                 return 0;
  97         }
  98 };
  99
 100 MODULE_INIT(ModuleNoNickChange)