src/modules/m_sslmodes.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 "users.h"
  15 #include "channels.h"
  16 #include "modules.h"
  17 #include "inspircd.h"
  18
  19 /* $ModDesc: Provides support for unreal-style channel mode +z */
  20
  21 static char* dummy;
  22
  23 /** Handle channel mode +z
  24  */
  25 class SSLMode : public ModeHandler
  26 {
  27  public:
  28         SSLMode(InspIRCd* Instance) : ModeHandler(Instance, 'z', 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('z'))
  35                         {
  36                                 if (IS_LOCAL(source))
  37                                 {
  38                                         CUList* userlist = channel->GetUsers();
  39                                         for(CUList::iterator i = userlist->begin(); i != userlist->end(); i++)
  40                                         {
  41                                                 if(!i->second->GetExt("ssl", dummy))
  42                                                 {
  43                                                         source->WriteServ("490 %s %s :all members of the channel must be connected via SSL", source->nick, channel->name);
  44                                                         return MODEACTION_DENY;
  45                                                 }
  46                                         }
  47                                 }
  48                                 channel->SetMode('z',true);
  49                                 return MODEACTION_ALLOW;
  50                         }
  51                         else
  52                         {
  53                                 return MODEACTION_DENY;
  54                         }
  55                 }
  56                 else
  57                 {
  58                         if (channel->IsModeSet('z'))
  59                         {
  60                                 channel->SetMode('z',false);
  61                                 return MODEACTION_ALLOW;
  62                         }
  63
  64                         return MODEACTION_DENY;
  65                 }
  66         }
  67 };
  68
  69 class ModuleSSLModes : public Module
  70 {
  71
  72         SSLMode* sslm;
  73
  74  public:
  75         ModuleSSLModes(InspIRCd* Me)
  76                 : Module::Module(Me)
  77         {
  78
  79
  80                 sslm = new SSLMode(ServerInstance);
  81                 if (!ServerInstance->AddMode(sslm, 'z'))
  82                         throw ModuleException("Could not add new modes!");
  83         }
  84
  85         void Implements(char* List)
  86         {
  87                 List[I_OnUserPreJoin] = 1;
  88         }
  89
  90         virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname, std::string &privs)
  91         {
  92                 if(chan && chan->IsModeSet('z'))
  93                 {
  94                         if(user->GetExt("ssl", dummy))
  95                         {
  96                                 // Let them in
  97                                 return 0;
  98                         }
  99                         else
 100                         {
 101                                 // Deny
 102                                 user->WriteServ( "489 %s %s :Cannot join channel; SSL users only (+z)", user->nick, cname);
 103                                 return 1;
 104                         }
 105                 }
 106
 107                 return 0;
 108         }
 109
 110         virtual ~ModuleSSLModes()
 111         {
 112                 ServerInstance->Modes->DelMode(sslm);
 113                 DELETE(sslm);
 114         }
 115
 116         virtual Version GetVersion()
 117         {
 118                 return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
 119         }
 120 };
 121
 122
 123 class ModuleSSLModesFactory : public ModuleFactory
 124 {
 125  public:
 126         ModuleSSLModesFactory()
 127         {
 128         }
 129
 130         ~ModuleSSLModesFactory()
 131         {
 132         }
 133
 134         virtual Module* CreateModule(InspIRCd* Me)
 135         {
 136                 return new ModuleSSLModes(Me);
 137         }
 138
 139 };
 140
 141
 142 extern "C" void * init_module( void )
 143 {
 144         return new ModuleSSLModesFactory;
 145 }