src/modules/m_blockcolor.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 <stdio.h>
  15 #include <sstream>
  16 #include "users.h"
  17 #include "channels.h"
  18 #include "modules.h"
  19 #include "inspircd.h"
  20
  21 /* $ModDesc: Provides support for unreal-style channel mode +c */
  22
  23 /** Handles the +c channel mode
  24  */
  25 class BlockColor : public ModeHandler
  26 {
  27  public:
  28         BlockColor(InspIRCd* Instance) : ModeHandler(Instance, 'c', 0, 0, false, MODETYPE_CHANNEL, false) { }
  29
  30         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  31         {
  32                 if (adding)
  33                 {
  34                         if (!channel->IsModeSet('c'))
  35                         {
  36                                 channel->SetMode('c',true);
  37                                 return MODEACTION_ALLOW;
  38                         }
  39                 }
  40                 else
  41                 {
  42                         if (channel->IsModeSet('c'))
  43                         {
  44                                 channel->SetMode('c',false);
  45                                 return MODEACTION_ALLOW;
  46                         }
  47                 }
  48
  49                 return MODEACTION_DENY;
  50         }
  51 };
  52
  53 class ModuleBlockColour : public Module
  54 {
  55
  56         BlockColor *bc;
  57  public:
  58
  59         ModuleBlockColour(InspIRCd* Me) : Module::Module(Me)
  60         {
  61
  62                 bc = new BlockColor(ServerInstance);
  63                 if (!ServerInstance->AddMode(bc, 'c'))
  64                         throw ModuleException("Could not add new modes!");
  65         }
  66
  67         void Implements(char* List)
  68         {
  69                 List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = 1;
  70         }
  71
  72         virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
  73         {
  74                 if ((target_type == TYPE_CHANNEL) && (IS_LOCAL(user)))
  75                 {
  76                         chanrec* c = (chanrec*)dest;
  77
  78                         if(c->IsModeSet('c'))
  79                         {
  80                                 /* Replace a strlcpy(), which ran even when +c wasn't set, with this (no copies at all) -- Om */
  81                                 for (std::string::iterator i = text.begin(); i != text.end(); i++)
  82                                 {
  83                                         switch (*i)
  84                                         {
  85                                                 case 2:
  86                                                 case 3:
  87                                                 case 15:
  88                                                 case 21:
  89                                                 case 22:
  90                                                 case 31:
  91                                                         user->WriteServ("404 %s %s :Can't send colours to channel (+c set)",user->nick, c->name);
  92                                                         return 1;
  93                                                 break;
  94                                         }
  95                                 }
  96                         }
  97                 }
  98                 return 0;
  99         }
 100
 101         virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
 102         {
 103                 return OnUserPreMessage(user,dest,target_type,text,status,exempt_list);
 104         }
 105
 106         virtual ~ModuleBlockColour()
 107         {
 108                 ServerInstance->Modes->DelMode(bc);
 109                 DELETE(bc);
 110         }
 111
 112         virtual Version GetVersion()
 113         {
 114                 return Version(1,1,0,0,VF_COMMON|VF_VENDOR,API_VERSION);
 115         }
 116 };
 117
 118
 119 class ModuleBlockColourFactory : public ModuleFactory
 120 {
 121  public:
 122         ModuleBlockColourFactory()
 123         {
 124         }
 125
 126         ~ModuleBlockColourFactory()
 127         {
 128         }
 129
 130         virtual Module * CreateModule(InspIRCd* Me)
 131         {
 132                 return new ModuleBlockColour(Me);
 133         }
 134
 135 };
 136
 137
 138 extern "C" void * init_module( void )
 139 {
 140         return new ModuleBlockColourFactory;
 141 }