src/modules/m_sslmodes.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
   6  * See: http://wiki.inspircd.org/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 unreal-style channel mode +z */
  17
  18 static char* dummy;
  19
  20 /** Handle channel mode +z
  21  */
  22 class SSLMode : public ModeHandler
  23 {
  24  public:
  25         SSLMode(InspIRCd* Instance) : ModeHandler(Instance, 'z', 0, 0, false, MODETYPE_CHANNEL, false) { }
  26
  27         ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string &parameter, bool adding, bool)
  28         {
  29                 if (adding)
  30                 {
  31                         if (!channel->IsModeSet('z'))
  32                         {
  33                                 if (IS_LOCAL(source))
  34                                 {
  35                                         CUList* userlist = channel->GetUsers();
  36                                         for(CUList::iterator i = userlist->begin(); i != userlist->end(); i++)
  37                                         {
  38                                                 if(!i->first->GetExt("ssl", dummy) && !ServerInstance->ULine(i->first->server))
  39                                                 {
  40                                                         source->WriteNumeric(ERR_ALLMUSTSSL, "%s %s :all members of the channel must be connected via SSL", source->nick.c_str(), channel->name.c_str());
  41                                                         return MODEACTION_DENY;
  42                                                 }
  43                                         }
  44                                 }
  45                                 channel->SetMode('z',true);
  46                                 return MODEACTION_ALLOW;
  47                         }
  48                         else
  49                         {
  50                                 return MODEACTION_DENY;
  51                         }
  52                 }
  53                 else
  54                 {
  55                         if (channel->IsModeSet('z'))
  56                         {
  57                                 channel->SetMode('z',false);
  58                                 return MODEACTION_ALLOW;
  59                         }
  60
  61                         return MODEACTION_DENY;
  62                 }
  63         }
  64 };
  65
  66 class ModuleSSLModes : public Module
  67 {
  68
  69         SSLMode* sslm;
  70
  71  public:
  72         ModuleSSLModes(InspIRCd* Me)
  73                 : Module(Me)
  74         {
  75
  76
  77                 sslm = new SSLMode(ServerInstance);
  78                 if (!ServerInstance->Modes->AddMode(sslm))
  79                         throw ModuleException("Could not add new modes!");
  80                 Implementation eventlist[] = { I_OnUserPreJoin };
  81                 ServerInstance->Modules->Attach(eventlist, this, 1);
  82         }
  83
  84
  85         virtual int OnUserPreJoin(User* user, Channel* chan, const char* cname, std::string &privs, const std::string &keygiven)
  86         {
  87                 if(chan && chan->IsModeSet('z'))
  88                 {
  89                         if(user->GetExt("ssl", dummy))
  90                         {
  91                                 // Let them in
  92                                 return 0;
  93                         }
  94                         else
  95                         {
  96                                 // Deny
  97                                 user->WriteServ( "489 %s %s :Cannot join channel; SSL users only (+z)", user->nick.c_str(), cname);
  98                                 return 1;
  99                         }
 100                 }
 101
 102                 return 0;
 103         }
 104
 105         virtual ~ModuleSSLModes()
 106         {
 107                 ServerInstance->Modes->DelMode(sslm);
 108                 delete sslm;
 109         }
 110
 111         virtual Version GetVersion()
 112         {
 113                 return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
 114         }
 115 };
 116
 117
 118 MODULE_INIT(ModuleSSLModes)
 119