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 #include "users.h"
  16 #include "channels.h"
  17 #include "modules.h"
  18 #include "hashcomp.h"
  19 #include "configreader.h"
  20
  21 /* $ModDesc: Provides support for channel mode +N which prevents nick changes on channel */
  22
  23 class NoNicks : public ModeHandler
  24 {
  25  public:
  26         NoNicks(InspIRCd* Instance) : ModeHandler(Instance, 'N', 0, 0, false, MODETYPE_CHANNEL, false) { }
  27
  28         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  29         {
  30                 if (adding)
  31                 {
  32                         if (!channel->IsModeSet('N'))
  33                         {
  34                                 channel->SetMode('N',true);
  35                                 return MODEACTION_ALLOW;
  36                         }
  37                 }
  38                 else
  39                 {
  40                         if (channel->IsModeSet('N'))
  41                         {
  42                                 channel->SetMode('N',false);
  43                                 return MODEACTION_ALLOW;
  44                         }
  45                 }
  46
  47                 return MODEACTION_DENY;
  48         }
  49 };
  50
  51 class ModuleNoNickChange : public Module
  52 {
  53         NoNicks* nn;
  54  public:
  55         ModuleNoNickChange(InspIRCd* Me)
  56                 : Module(Me)
  57         {
  58
  59                 nn = new NoNicks(ServerInstance);
  60                 ServerInstance->AddMode(nn, 'N');
  61         }
  62
  63         virtual ~ModuleNoNickChange()
  64         {
  65                 ServerInstance->Modes->DelMode(nn);
  66                 DELETE(nn);
  67         }
  68
  69         virtual Version GetVersion()
  70         {
  71                 return Version(1,1,0,1,VF_COMMON|VF_VENDOR,API_VERSION);
  72         }
  73
  74         void Implements(char* List)
  75         {
  76                 List[I_OnUserPreNick] = 1;
  77         }
  78
  79         virtual int OnUserPreNick(userrec* user, const std::string &newnick)
  80         {
  81                 if (IS_LOCAL(user))
  82                 {
  83                         for (UCListIter i = user->chans.begin(); i != user->chans.end(); i++)
  84                         {
  85                                 chanrec* curr = i->first;
  86
  87                                 if (curr->IsModeSet('N'))
  88                                 {
  89                                         if (CHANOPS_EXEMPT(ServerInstance, 'N') && curr->GetStatus(user) == STATUS_OP)
  90                                                 continue;
  91
  92                                         user->WriteServ("447 %s :Can't change nickname while on %s (+N is set)", user->nick, curr->name);
  93                                         return 1;
  94                                 }
  95                         }
  96                 }
  97
  98                 return 0;
  99         }
 100 };
 101
 102 // stuff down here is the module-factory stuff. For basic modules you can ignore this.
 103
 104 class ModuleNoNickChangeFactory : public ModuleFactory
 105 {
 106  public:
 107         ModuleNoNickChangeFactory()
 108         {
 109         }
 110
 111         ~ModuleNoNickChangeFactory()
 112         {
 113         }
 114
 115         virtual Module * CreateModule(InspIRCd* Me)
 116         {
 117                 return new ModuleNoNickChange(Me);
 118         }
 119
 120 };
 121
 122
 123 extern "C" DllExport void * init_module( void )
 124 {
 125         return new ModuleNoNickChangeFactory;
 126 }
 127