src/modules/m_sanick.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2013, 2018, 2020 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 Daniel De Graaf <danieldg@inspircd.org>
   8  *   Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
   9  *   Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
  10  *   Copyright (C) 2004, 2010 Craig Edwards <brain@inspircd.org>
  11  *
  12  * This file is part of InspIRCd.  InspIRCd is free software: you can
  13  * redistribute it and/or modify it under the terms of the GNU General Public
  14  * License as published by the Free Software Foundation, version 2.
  15  *
  16  * This program is distributed in the hope that it will be useful, but WITHOUT
  17  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  18  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  19  * details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23  */
  24
  25
  26 #include "inspircd.h"
  27
  28 /** Handle /SANICK
  29  */
  30 class CommandSanick : public Command
  31 {
  32  public:
  33         CommandSanick(Module* Creator) : Command(Creator,"SANICK", 2)
  34         {
  35                 allow_empty_last_param = false;
  36                 flags_needed = 'o';
  37                 syntax = "<nick> <newnick>";
  38                 TRANSLATE2(TR_NICK, TR_TEXT);
  39         }
  40
  41         CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
  42         {
  43                 User* target = ServerInstance->FindNick(parameters[0]);
  44
  45                 /* Do local sanity checks and bails */
  46                 if (IS_LOCAL(user))
  47                 {
  48                         if (target && target->server->IsULine())
  49                         {
  50                                 user->WriteNumeric(ERR_NOPRIVILEGES, "Cannot use an SA command on a U-lined client");
  51                                 return CMD_FAILURE;
  52                         }
  53
  54                         if ((!target) || (target->registered != REG_ALL))
  55                         {
  56                                 user->WriteNotice("*** No such nickname: '" + parameters[0] + "'");
  57                                 return CMD_FAILURE;
  58                         }
  59
  60                         if (!ServerInstance->IsNick(parameters[1]))
  61                         {
  62                                 user->WriteNotice("*** Invalid nickname: '" + parameters[1] + "'");
  63                                 return CMD_FAILURE;
  64                         }
  65                 }
  66
  67                 /* Have we hit target's server yet? */
  68                 if (target && IS_LOCAL(target))
  69                 {
  70                         const std::string oldnick = target->nick;
  71                         const std::string newnick = parameters[1];
  72                         if (!ServerInstance->FindNickOnly(newnick) && target->ChangeNick(newnick))
  73                         {
  74                                 ServerInstance->SNO->WriteGlobalSno('a', user->nick + " used SANICK to change " + oldnick + " to " + newnick);
  75                         }
  76                         else
  77                         {
  78                                 ServerInstance->SNO->WriteGlobalSno('a', user->nick + " failed SANICK (from " + oldnick + " to " + newnick + ")");
  79                         }
  80                 }
  81
  82                 return CMD_SUCCESS;
  83         }
  84
  85         RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
  86         {
  87                 return ROUTE_OPT_UCAST(parameters[0]);
  88         }
  89 };
  90
  91
  92 class ModuleSanick : public Module
  93 {
  94         CommandSanick cmd;
  95  public:
  96         ModuleSanick()
  97                 : cmd(this)
  98         {
  99         }
 100
 101         Version GetVersion() CXX11_OVERRIDE
 102         {
 103                 return Version("Adds the /SANICK command which allows server operators to change the nickname of a user.", VF_OPTCOMMON | VF_VENDOR);
 104         }
 105 };
 106
 107 MODULE_INIT(ModuleSanick)