src/modules/m_conn_waitpong.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
   5  *   Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
   6  *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
   7  *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
   8  *   Copyright (C) 2006-2007 Oliver Lupton <oliverlupton@gmail.com>
   9  *   Copyright (C) 2006 Craig Edwards <craigedwards@brainbox.cc>
  10  *
  11  * This file is part of InspIRCd.  InspIRCd is free software: you can
  12  * redistribute it and/or modify it under the terms of the GNU General Public
  13  * License as published by the Free Software Foundation, version 2.
  14  *
  15  * This program is distributed in the hope that it will be useful, but WITHOUT
  16  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  17  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  18  * details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22  */
  23
  24
  25 #include "inspircd.h"
  26
  27 class ModuleWaitPong : public Module
  28 {
  29         bool sendsnotice;
  30         bool killonbadreply;
  31         LocalStringExt ext;
  32
  33  public:
  34         ModuleWaitPong()
  35          : ext("waitpong_pingstr", this)
  36         {
  37         }
  38
  39         void init() CXX11_OVERRIDE
  40         {
  41                 ServerInstance->Modules->AddService(ext);
  42                 OnRehash(NULL);
  43                 Implementation eventlist[] = { I_OnUserRegister, I_OnCheckReady, I_OnPreCommand, I_OnRehash };
  44                 ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
  45         }
  46
  47         void OnRehash(User* user) CXX11_OVERRIDE
  48         {
  49                 ConfigTag* tag = ServerInstance->Config->ConfValue("waitpong");
  50                 sendsnotice = tag->getBool("sendsnotice", true);
  51                 killonbadreply = tag->getBool("killonbadreply", true);
  52         }
  53
  54         ModResult OnUserRegister(LocalUser* user) CXX11_OVERRIDE
  55         {
  56                 std::string pingrpl = ServerInstance->GenRandomStr(10);
  57
  58                 user->Write("PING :%s", pingrpl.c_str());
  59
  60                 if(sendsnotice)
  61                         user->WriteNotice("*** If you are having problems connecting due to ping timeouts, please type /quote PONG " + pingrpl + " or /raw PONG " + pingrpl + " now.");
  62
  63                 ext.set(user, pingrpl);
  64                 return MOD_RES_PASSTHRU;
  65         }
  66
  67         ModResult OnPreCommand(std::string &command, std::vector<std::string> &parameters, LocalUser* user, bool validated, const std::string &original_line) CXX11_OVERRIDE
  68         {
  69                 if (command == "PONG")
  70                 {
  71                         std::string* pingrpl = ext.get(user);
  72
  73                         if (pingrpl)
  74                         {
  75                                 if (!parameters.empty() && *pingrpl == parameters[0])
  76                                 {
  77                                         ext.unset(user);
  78                                         return MOD_RES_DENY;
  79                                 }
  80                                 else
  81                                 {
  82                                         if(killonbadreply)
  83                                                 ServerInstance->Users->QuitUser(user, "Incorrect ping reply for registration");
  84                                         return MOD_RES_DENY;
  85                                 }
  86                         }
  87                 }
  88                 return MOD_RES_PASSTHRU;
  89         }
  90
  91         ModResult OnCheckReady(LocalUser* user) CXX11_OVERRIDE
  92         {
  93                 return ext.get(user) ? MOD_RES_DENY : MOD_RES_PASSTHRU;
  94         }
  95
  96         Version GetVersion() CXX11_OVERRIDE
  97         {
  98                 return Version("Require pong prior to registration", VF_VENDOR);
  99         }
 100 };
 101
 102 MODULE_INIT(ModuleWaitPong)