src/modules/m_inviteexception.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 "u_listmode.h"
  16
  17 /* $ModDesc: Provides support for the +I channel mode */
  18 /* $ModDep: ../../include/u_listmode.h */
  19
  20 /*
  21  * Written by Om <om@inspircd.org>, April 2005.
  22  * Based on m_exception, which was originally based on m_chanprotect and m_silence
  23  *
  24  * The +I channel mode takes a nick!ident@host, glob patterns allowed,
  25  * and if a user matches an entry on the +I list then they can join the channel,
  26  * ignoring if +i is set on the channel
  27  * Now supports CIDR and IP addresses -- Brain
  28  */
  29
  30 class InspIRCd* ServerInstance;
  31
  32 /** Handles channel mode +I
  33  */
  34 class InviteException : public ListModeBase
  35 {
  36  public:
  37         InviteException(InspIRCd* Instance) : ListModeBase(Instance, 'I', "End of Channel Invite Exception List", "346", "347", true) { }
  38 };
  39
  40 class ModuleInviteException : public Module
  41 {
  42         InviteException* ie;
  43 public:
  44         ModuleInviteException(InspIRCd* Me) : Module(Me)
  45         {
  46                 ie = new InviteException(ServerInstance);
  47                 if (!ServerInstance->AddMode(ie))
  48                         throw ModuleException("Could not add new modes!");
  49                 ServerInstance->Modules->PublishInterface("ChannelBanList", this);
  50         }
  51
  52         virtual void Implements(char* List)
  53         {
  54                 ie->DoImplements(List);
  55                 List[I_OnRequest] = List[I_On005Numeric] = List[I_OnCheckInvite] = 1;
  56         }
  57
  58         virtual void On005Numeric(std::string &output)
  59         {
  60                 output.append(" INVEX=I");
  61         }
  62
  63         virtual int OnCheckInvite(User* user, Channel* chan)
  64         {
  65                 if(chan != NULL)
  66                 {
  67                         modelist* list;
  68                         chan->GetExt(ie->GetInfoKey(), list);
  69                         if (list)
  70                         {
  71                                 char mask[MAXBUF];
  72                                 snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString());
  73                                 for (modelist::iterator it = list->begin(); it != list->end(); it++)
  74                                 {
  75                                         if(match(user->GetFullRealHost(), it->mask.c_str()) || match(user->GetFullHost(), it->mask.c_str()) || (match(mask, it->mask.c_str(), true)))
  76                                         {
  77                                                 // They match an entry on the list, so let them in.
  78                                                 return 1;
  79                                         }
  80                                 }
  81                         }
  82                         // or if there wasn't a list, there can't be anyone on it, so we don't need to do anything.
  83                 }
  84
  85                 return 0;
  86         }
  87
  88         virtual char* OnRequest(Request* request)
  89         {
  90                 ListModeRequest* LM = (ListModeRequest*)request;
  91                 if (strcmp("LM_CHECKLIST", request->GetId()) == 0)
  92                 {
  93                         modelist* list;
  94                         LM->chan->GetExt(ie->GetInfoKey(), list);
  95                         if (list)
  96                         {
  97                                 char mask[MAXBUF];
  98                                 snprintf(mask, MAXBUF, "%s!%s@%s", LM->user->nick, LM->user->ident, LM->user->GetIPString());
  99                                 for (modelist::iterator it = list->begin(); it != list->end(); it++)
 100                                 {
 101                                         if (match(LM->user->GetFullRealHost(), it->mask.c_str()) || match(LM->user->GetFullHost(), it->mask.c_str()) || (match(mask, it->mask.c_str(), true)))
 102                                         {
 103                                                 // They match an entry
 104                                                 return (char*)it->mask.c_str();
 105                                         }
 106                                 }
 107                                 return NULL;
 108                         }
 109                 }
 110                 return NULL;
 111         }
 112
 113         virtual void OnCleanup(int target_type, void* item)
 114         {
 115                 ie->DoCleanup(target_type, item);
 116         }
 117
 118         virtual void OnSyncChannel(Channel* chan, Module* proto, void* opaque)
 119         {
 120                 ie->DoSyncChannel(chan, proto, opaque);
 121         }
 122
 123         virtual void OnChannelDelete(Channel* chan)
 124         {
 125                 ie->DoChannelDelete(chan);
 126         }
 127
 128         virtual void OnRehash(User* user, const std::string &param)
 129         {
 130                 ie->DoRehash();
 131         }
 132
 133         virtual Version GetVersion()
 134         {
 135                 return Version(1, 1, 0, 3, VF_VENDOR | VF_COMMON, API_VERSION);
 136         }
 137
 138         ~ModuleInviteException()
 139         {
 140                 ServerInstance->Modes->DelMode(ie);
 141                 DELETE(ie);
 142                 ServerInstance->Modules->UnpublishInterface("ChannelBanList", this);
 143         }
 144 };
 145
 146 MODULE_INIT(ModuleInviteException)