src/modules/m_inviteexception.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 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->Modes->AddMode(ie))
  48                         throw ModuleException("Could not add new modes!");
  49                 ServerInstance->Modules->PublishInterface("ChannelBanList", this);
  50
  51                 ie->DoImplements(this);
  52                 Implementation eventlist[] = { I_OnRequest, I_On005Numeric, I_OnCheckInvite };
  53                 ServerInstance->Modules->Attach(eventlist, this, 3);
  54         }
  55
  56         virtual void On005Numeric(std::string &output)
  57         {
  58                 output.append(" INVEX=I");
  59         }
  60
  61         virtual int OnCheckInvite(User* user, Channel* chan)
  62         {
  63                 if(chan != NULL)
  64                 {
  65                         modelist* list;
  66                         chan->GetExt(ie->GetInfoKey(), list);
  67                         if (list)
  68                         {
  69                                 std::string mask = std::string(user->nick) + "!" + user->ident + "@" + user->GetIPString();
  70                                 for (modelist::iterator it = list->begin(); it != list->end(); it++)
  71                                 {
  72                                         if(match(user->GetFullRealHost(), it->mask) || match(user->GetFullHost(), it->mask) || (match(mask, it->mask, true)))
  73                                         {
  74                                                 // They match an entry on the list, so let them in.
  75                                                 return 1;
  76                                         }
  77                                 }
  78                         }
  79                         // or if there wasn't a list, there can't be anyone on it, so we don't need to do anything.
  80                 }
  81
  82                 return 0;
  83         }
  84
  85         virtual const char* OnRequest(Request* request)
  86         {
  87                 ListModeRequest* LM = (ListModeRequest*)request;
  88                 if (strcmp("LM_CHECKLIST", request->GetId()) == 0)
  89                 {
  90                         modelist* list;
  91                         LM->chan->GetExt(ie->GetInfoKey(), list);
  92                         if (list)
  93                         {
  94                                 std::string mask = std::string(LM->user->nick) + "!" + LM->user->ident + "@" + LM->user->GetIPString();
  95                                 for (modelist::iterator it = list->begin(); it != list->end(); it++)
  96                                 {
  97                                         if (match(LM->user->GetFullRealHost(), it->mask) || match(LM->user->GetFullHost(), it->mask.c_str()) || (match(mask, it->mask, true)))
  98                                         {
  99                                                 // They match an entry
 100                                                 return (char*)it->mask.c_str();
 101                                         }
 102                                 }
 103                                 return NULL;
 104                         }
 105                 }
 106                 return NULL;
 107         }
 108
 109         virtual void OnCleanup(int target_type, void* item)
 110         {
 111                 ie->DoCleanup(target_type, item);
 112         }
 113
 114         virtual void OnSyncChannel(Channel* chan, Module* proto, void* opaque)
 115         {
 116                 ie->DoSyncChannel(chan, proto, opaque);
 117         }
 118
 119         virtual void OnChannelDelete(Channel* chan)
 120         {
 121                 ie->DoChannelDelete(chan);
 122         }
 123
 124         virtual void OnRehash(User* user, const std::string &param)
 125         {
 126                 ie->DoRehash();
 127         }
 128
 129         virtual Version GetVersion()
 130         {
 131                 return Version(1, 2, 0, 3, VF_VENDOR | VF_COMMON, API_VERSION);
 132         }
 133
 134         ~ModuleInviteException()
 135         {
 136                 ServerInstance->Modes->DelMode(ie);
 137                 delete ie;
 138                 ServerInstance->Modules->UnpublishInterface("ChannelBanList", this);
 139         }
 140 };
 141
 142 MODULE_INIT(ModuleInviteException)