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 "users.h"
  16 #include "channels.h"
  17 #include "modules.h"
  18 #include "mode.h"
  19 #include "u_listmode.h"
  20
  21 /* $ModDesc: Provides support for the +I channel mode */
  22 /* $ModDep: ../../include/u_listmode.h */
  23
  24 /*
  25  * Written by Om <om@inspircd.org>, April 2005.
  26  * Based on m_exception, which was originally based on m_chanprotect and m_silence
  27  *
  28  * The +I channel mode takes a nick!ident@host, glob patterns allowed,
  29  * and if a user matches an entry on the +I list then they can join the channel,
  30  * ignoring if +i is set on the channel
  31  * Now supports CIDR and IP addresses -- Brain
  32  */
  33
  34 class InspIRCd* ServerInstance;
  35
  36 /** Handles channel mode +I
  37  */
  38 class InviteException : public ListModeBase
  39 {
  40  public:
  41         InviteException(InspIRCd* Instance) : ListModeBase(Instance, 'I', "End of Channel Invite Exception List", "346", "347", true) { }
  42 };
  43
  44 class ModuleInviteException : public Module
  45 {
  46         InviteException* ie;
  47 public:
  48         ModuleInviteException(InspIRCd* Me) : Module(Me)
  49         {
  50                 ie = new InviteException(ServerInstance);
  51                 if (!ServerInstance->AddMode(ie, 'I'))
  52                         throw ModuleException("Could not add new modes!");
  53                 ServerInstance->PublishInterface("ChannelBanList", this);
  54         }
  55
  56         virtual void Implements(char* List)
  57         {
  58                 ie->DoImplements(List);
  59                 List[I_OnRequest] = List[I_On005Numeric] = List[I_OnCheckInvite] = 1;
  60         }
  61
  62         virtual void On005Numeric(std::string &output)
  63         {
  64                 output.append(" INVEX=I");
  65         }
  66
  67         virtual int OnCheckInvite(userrec* user, chanrec* chan)
  68         {
  69                 if(chan != NULL)
  70                 {
  71                         modelist* list;
  72                         chan->GetExt(ie->GetInfoKey(), list);
  73                         if (list)
  74                         {
  75                                 char mask[MAXBUF];
  76                                 snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString());
  77                                 for (modelist::iterator it = list->begin(); it != list->end(); it++)
  78                                 {
  79                                         if(match(user->GetFullRealHost(), it->mask.c_str()) || match(user->GetFullHost(), it->mask.c_str()) || (match(mask, it->mask.c_str(), true)))
  80                                         {
  81                                                 // They match an entry on the list, so let them in.
  82                                                 return 1;
  83                                         }
  84                                 }
  85                         }
  86                         // or if there wasn't a list, there can't be anyone on it, so we don't need to do anything.
  87                 }
  88
  89                 return 0;
  90         }
  91
  92         virtual char* OnRequest(Request* request)
  93         {
  94                 ListModeRequest* LM = (ListModeRequest*)request;
  95                 if (strcmp("LM_CHECKLIST", request->GetId()) == 0)
  96                 {
  97                         modelist* list;
  98                         LM->chan->GetExt(ie->GetInfoKey(), list);
  99                         if (list)
 100                         {
 101                                 char mask[MAXBUF];
 102                                 snprintf(mask, MAXBUF, "%s!%s@%s", LM->user->nick, LM->user->ident, LM->user->GetIPString());
 103                                 for (modelist::iterator it = list->begin(); it != list->end(); it++)
 104                                 {
 105                                         if (match(LM->user->GetFullRealHost(), it->mask.c_str()) || match(LM->user->GetFullHost(), it->mask.c_str()) || (match(mask, it->mask.c_str(), true)))
 106                                         {
 107                                                 // They match an entry
 108                                                 return (char*)it->mask.c_str();
 109                                         }
 110                                 }
 111                                 return NULL;
 112                         }
 113                 }
 114                 return NULL;
 115         }
 116
 117         virtual void OnCleanup(int target_type, void* item)
 118         {
 119                 ie->DoCleanup(target_type, item);
 120         }
 121
 122         virtual void OnSyncChannel(chanrec* chan, Module* proto, void* opaque)
 123         {
 124                 ie->DoSyncChannel(chan, proto, opaque);
 125         }
 126
 127         virtual void OnChannelDelete(chanrec* chan)
 128         {
 129                 ie->DoChannelDelete(chan);
 130         }
 131
 132         virtual void OnRehash(userrec* user, const std::string &param)
 133         {
 134                 ie->DoRehash();
 135         }
 136
 137         virtual Version GetVersion()
 138         {
 139                 return Version(1, 1, 0, 3, VF_VENDOR | VF_COMMON, API_VERSION);
 140         }
 141
 142         ~ModuleInviteException()
 143         {
 144                 ServerInstance->Modes->DelMode(ie);
 145                 DELETE(ie);
 146                 ServerInstance->UnpublishInterface("ChannelBanList", this);
 147         }
 148 };
 149
 150
 151 class ModuleInviteExceptionFactory : public ModuleFactory
 152 {
 153  public:
 154         ModuleInviteExceptionFactory()
 155         {
 156         }
 157
 158         ~ModuleInviteExceptionFactory()
 159         {
 160         }
 161
 162         virtual Module * CreateModule(InspIRCd* Me)
 163         {
 164                 return new ModuleInviteException(Me);
 165         }
 166
 167 };
 168
 169
 170 extern "C" DllExport void * init_module( void )
 171 {
 172         return new ModuleInviteExceptionFactory;
 173 }