src/modules/m_userip.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2013, 2017-2018 Sadie Powell <sadie@witchery.services>
   5  *   Copyright (C) 2012-2014, 2016 Attila Molnar <attilamolnar@hush.com>
   6  *   Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
   7  *   Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
   8  *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
   9  *   Copyright (C) 2007-2009 Robin Burchell <robin+git@viroteck.net>
  10  *   Copyright (C) 2007-2008 Dennis Friis <peavey@inspircd.org>
  11  *   Copyright (C) 2007 Craig Edwards <brain@inspircd.org>
  12  *
  13  * This file is part of InspIRCd.  InspIRCd is free software: you can
  14  * redistribute it and/or modify it under the terms of the GNU General Public
  15  * License as published by the Free Software Foundation, version 2.
  16  *
  17  * This program is distributed in the hope that it will be useful, but WITHOUT
  18  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  19  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  20  * details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24  */
  25
  26
  27 #include "inspircd.h"
  28
  29 /** Handle /USERIP
  30  */
  31 class CommandUserip : public Command
  32 {
  33  public:
  34         CommandUserip(Module* Creator) : Command(Creator,"USERIP", 1)
  35         {
  36                 syntax = "<nick> [<nick>]+";
  37         }
  38
  39         CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
  40         {
  41                 std::string retbuf;
  42                 int nicks = 0;
  43                 bool checked_privs = false;
  44                 bool has_privs = false;
  45
  46                 for (size_t i = 0; i < parameters.size(); i++)
  47                 {
  48                         User *u = ServerInstance->FindNickOnly(parameters[i]);
  49                         if ((u) && (u->registered == REG_ALL))
  50                         {
  51                                 // Anyone may query their own IP
  52                                 if (u != user)
  53                                 {
  54                                         if (!checked_privs)
  55                                         {
  56                                                 // Do not trigger the insufficient privileges message more than once
  57                                                 checked_privs = true;
  58                                                 has_privs = user->HasPrivPermission("users/auspex");
  59                                                 if (!has_privs)
  60                                                         user->WriteNumeric(ERR_NOPRIVILEGES, "Permission Denied - You do not have the required operator privileges");
  61                                         }
  62
  63                                         if (!has_privs)
  64                                                 continue;
  65                                 }
  66
  67                                 retbuf = retbuf + u->nick + (u->IsOper() ? "*" : "") + "=";
  68                                 if (u->IsAway())
  69                                         retbuf += "-";
  70                                 else
  71                                         retbuf += "+";
  72                                 retbuf += u->ident + "@" + u->GetIPString() + " ";
  73                                 nicks++;
  74                         }
  75                 }
  76
  77                 if (nicks != 0)
  78                         user->WriteNumeric(RPL_USERIP, retbuf);
  79
  80                 return CMD_SUCCESS;
  81         }
  82 };
  83
  84 class ModuleUserIP : public Module
  85 {
  86         CommandUserip cmd;
  87  public:
  88         ModuleUserIP()
  89                 : cmd(this)
  90         {
  91         }
  92
  93         void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
  94         {
  95                 tokens["USERIP"];
  96         }
  97
  98         Version GetVersion() CXX11_OVERRIDE
  99         {
 100                 return Version("Adds the /USERIP command which allows users to find out the IP address of one or more connected users.", VF_VENDOR);
 101         }
 102 };
 103
 104 MODULE_INIT(ModuleUserIP)