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                 Implementation eventlist[] = { I_OnRequest, I_On005Numeric, I_OnCheckInvite };
  51                 ServerInstance->Modules->Attach(eventlist, this, 3);
  52         }
  53
  54         virtual void Implements(char* List)
  55         {
  56                 ie->DoImplements(List);
  57                 List[I_OnRequest] = List[I_On005Numeric] = List[I_OnCheckInvite] = 1;
  58         }
  59
  60         virtual void On005Numeric(std::string &output)
  61         {
  62                 output.append(" INVEX=I");
  63         }
  64
  65         virtual int OnCheckInvite(User* user, Channel* chan)
  66         {
  67                 if(chan != NULL)
  68                 {
  69                         modelist* list;
  70                         chan->GetExt(ie->GetInfoKey(), list);
  71                         if (list)
  72                         {
  73                                 char mask[MAXBUF];
  74                                 snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString());
  75                                 for (modelist::iterator it = list->begin(); it != list->end(); it++)
  76                                 {
  77                                         if(match(user->GetFullRealHost(), it->mask.c_str()) || match(user->GetFullHost(), it->mask.c_str()) || (match(mask, it->mask.c_str(), true)))
  78                                         {
  79                                                 // They match an entry on the list, so let them in.
  80                                                 return 1;
  81                                         }
  82                                 }
  83                         }
  84                         // or if there wasn't a list, there can't be anyone on it, so we don't need to do anything.
  85                 }
  86
  87                 return 0;
  88         }
  89
  90         virtual char* OnRequest(Request* request)
  91         {
  92                 ListModeRequest* LM = (ListModeRequest*)request;
  93                 if (strcmp("LM_CHECKLIST", request->GetId()) == 0)
  94                 {
  95                         modelist* list;
  96                         LM->chan->GetExt(ie->GetInfoKey(), list);
  97                         if (list)
  98                         {
  99                                 char mask[MAXBUF];
 100                                 snprintf(mask, MAXBUF, "%s!%s@%s", LM->user->nick, LM->user->ident, LM->user->GetIPString());
 101                                 for (modelist::iterator it = list->begin(); it != list->end(); it++)
 102                                 {
 103                                         if (match(LM->user->GetFullRealHost(), it->mask.c_str()) || match(LM->user->GetFullHost(), it->mask.c_str()) || (match(mask, it->mask.c_str(), true)))
 104                                         {
 105                                                 // They match an entry
 106                                                 return (char*)it->mask.c_str();
 107                                         }
 108                                 }
 109                                 return NULL;
 110                         }
 111                 }
 112                 return NULL;
 113         }
 114
 115         virtual void OnCleanup(int target_type, void* item)
 116         {
 117                 ie->DoCleanup(target_type, item);
 118         }
 119
 120         virtual void OnSyncChannel(Channel* chan, Module* proto, void* opaque)
 121         {
 122                 ie->DoSyncChannel(chan, proto, opaque);
 123         }
 124
 125         virtual void OnChannelDelete(Channel* chan)
 126         {
 127                 ie->DoChannelDelete(chan);
 128         }
 129
 130         virtual void OnRehash(User* user, const std::string &param)
 131         {
 132                 ie->DoRehash();
 133         }
 134
 135         virtual Version GetVersion()
 136         {
 137                 return Version(1, 1, 0, 3, VF_VENDOR | VF_COMMON, API_VERSION);
 138         }
 139
 140         ~ModuleInviteException()
 141         {
 142                 ServerInstance->Modes->DelMode(ie);
 143                 delete ie;
 144                 ServerInstance->Modules->UnpublishInterface("ChannelBanList", this);
 145         }
 146 };
 147
 148 MODULE_INIT(ModuleInviteException)