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 <string>
  15 #include <vector>
  16 #include "users.h"
  17 #include "channels.h"
  18 #include "modules.h"
  19 #include "mode.h"
  20 #include "u_listmode.h"
  21
  22 /* $ModDesc: Provides support for the +I channel mode */
  23 /* $ModDep: ../../include/u_listmode.h */
  24
  25 /*
  26  * Written by Om <om@inspircd.org>, April 2005.
  27  * Based on m_exception, which was originally based on m_chanprotect and m_silence
  28  *
  29  * The +I channel mode takes a nick!ident@host, glob patterns allowed,
  30  * and if a user matches an entry on the +I list then they can join the channel,
  31  * ignoring if +i is set on the channel
  32  * Now supports CIDR and IP addresses -- Brain
  33  */
  34
  35 class InspIRCd* ServerInstance;
  36
  37 /** Handles channel mode +I
  38  */
  39 class InviteException : public ListModeBase
  40 {
  41  public:
  42         InviteException(InspIRCd* Instance) : ListModeBase(Instance, 'I', "End of Channel Invite Exception List", "346", "347", true) { }
  43 };
  44
  45 class ModuleInviteException : public Module
  46 {
  47         InviteException* ie;
  48 public:
  49         ModuleInviteException(InspIRCd* Me) : Module(Me)
  50         {
  51                 ie = new InviteException(ServerInstance);
  52                 if (!ServerInstance->AddMode(ie, 'I'))
  53                         throw ModuleException("Could not add new modes!");
  54                 ServerInstance->PublishInterface("ChannelBanList", this);
  55         }
  56
  57         virtual void Implements(char* List)
  58         {
  59                 ie->DoImplements(List);
  60                 List[I_OnRequest] = List[I_On005Numeric] = List[I_OnCheckInvite] = 1;
  61         }
  62
  63         virtual void On005Numeric(std::string &output)
  64         {
  65                 output.append(" INVEX=I");
  66         }
  67
  68         virtual int OnCheckInvite(userrec* user, chanrec* chan)
  69         {
  70                 if(chan != NULL)
  71                 {
  72                         modelist* list;
  73                         chan->GetExt(ie->GetInfoKey(), list);
  74                         if (list)
  75                         {
  76                                 char mask[MAXBUF];
  77                                 snprintf(mask, MAXBUF, "%s!%s@%s", user->nick, user->ident, user->GetIPString());
  78                                 for (modelist::iterator it = list->begin(); it != list->end(); it++)
  79                                 {
  80                                         if(match(user->GetFullRealHost(), it->mask.c_str()) || match(user->GetFullHost(), it->mask.c_str()) || (match(mask, it->mask.c_str(), true)))
  81                                         {
  82                                                 // They match an entry on the list, so let them in.
  83                                                 return 1;
  84                                         }
  85                                 }
  86                         }
  87                         // or if there wasn't a list, there can't be anyone on it, so we don't need to do anything.
  88                 }
  89
  90                 return 0;
  91         }
  92
  93         virtual char* OnRequest(Request* request)
  94         {
  95                 ListModeRequest* LM = (ListModeRequest*)request;
  96                 if (strcmp("LM_CHECKLIST", request->GetId()) == 0)
  97                 {
  98                         modelist* list;
  99                         LM->chan->GetExt(ie->GetInfoKey(), list);
 100                         if (list)
 101                         {
 102                                 char mask[MAXBUF];
 103                                 snprintf(mask, MAXBUF, "%s!%s@%s", LM->user->nick, LM->user->ident, LM->user->GetIPString());
 104                                 for (modelist::iterator it = list->begin(); it != list->end(); it++)
 105                                 {
 106                                         if (ServerInstance->MatchText(LM->user->GetFullRealHost(), it->mask) || ServerInstance->MatchText(LM->user->GetFullHost(), it->mask) ||
 107                                                 (match(mask, it->mask.c_str(), true)))
 108                                         {
 109                                                 // They match an entry
 110                                                 return (char*)it->mask.c_str();
 111                                         }
 112                                 }
 113                                 return NULL;
 114                         }
 115                 }
 116                 return NULL;
 117         }
 118
 119         virtual void OnCleanup(int target_type, void* item)
 120         {
 121                 ie->DoCleanup(target_type, item);
 122         }
 123
 124         virtual void OnSyncChannel(chanrec* chan, Module* proto, void* opaque)
 125         {
 126                 ie->DoSyncChannel(chan, proto, opaque);
 127         }
 128
 129         virtual void OnChannelDelete(chanrec* chan)
 130         {
 131                 ie->DoChannelDelete(chan);
 132         }
 133
 134         virtual void OnRehash(userrec* user, const std::string &param)
 135         {
 136                 ie->DoRehash();
 137         }
 138
 139         virtual Version GetVersion()
 140         {
 141                 return Version(1, 1, 0, 3, VF_VENDOR | VF_COMMON, API_VERSION);
 142         }
 143
 144         ~ModuleInviteException()
 145         {
 146                 ServerInstance->Modes->DelMode(ie);
 147                 DELETE(ie);
 148                 ServerInstance->UnpublishInterface("ChannelBanList", this);
 149         }
 150 };
 151
 152
 153 class ModuleInviteExceptionFactory : public ModuleFactory
 154 {
 155  public:
 156         ModuleInviteExceptionFactory()
 157         {
 158         }
 159
 160         ~ModuleInviteExceptionFactory()
 161         {
 162         }
 163
 164         virtual Module * CreateModule(InspIRCd* Me)
 165         {
 166                 return new ModuleInviteException(Me);
 167         }
 168
 169 };
 170
 171
 172 extern "C" void * init_module( void )
 173 {
 174         return new ModuleInviteExceptionFactory;
 175 }