Fail a SANICK if the target nickname already exists.

[user/henk/code/inspircd.git] / src / modules / m_sanick.cpp

diff --git a/src/modules/m_sanick.cpp b/src/modules/m_sanick.cpp
index 3f7affa8ee8253c8f209549f20aad81d57f38b62..31813bedf93e41579ab2d01fdc676da15008eebf 100644 (file)
--- a/src/modules/m_sanick.cpp
+++ b/src/modules/m_sanick.cpp
@@ -1,96 +1,107 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ *   Copyright (C) 2013, 2018, 2020 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012-2014, 2016 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2010 Craig Edwards <brain@inspircd.org>
+ *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
  *
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
  *
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "inspircd.h"
 
-/* $ModDesc: Provides support for SANICK command */
+#include "inspircd.h"
 
 /** Handle /SANICK
  */
 class CommandSanick : public Command
 {
  public:
-       CommandSanick (InspIRCd* Instance) : Command(Instance,"SANICK", 'o', 2, false, 0)
+       CommandSanick(Module* Creator) : Command(Creator,"SANICK", 2)
        {
-               this->source = "m_sanick.so";
-               syntax = "<nick> <new-nick>";
-               TRANSLATE3(TR_NICK, TR_TEXT, TR_END);
+               allow_empty_last_param = false;
+               flags_needed = 'o';
+               syntax = "<nick> <newnick>";
+               TRANSLATE2(TR_NICK, TR_TEXT);
        }
 
-       CmdResult Handle (const char** parameters, int pcnt, User *user)
+       CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
        {
                User* target = ServerInstance->FindNick(parameters[0]);
-               if (target)
+
+               /* Do local sanity checks and bails */
+               if (IS_LOCAL(user))
                {
-                       if (ServerInstance->ULine(target->server))
+                       if (target && target->server->IsULine())
                        {
-                               user->WriteServ("990 %s :Cannot use an SA command on a u-lined client",user->nick);
+                               user->WriteNumeric(ERR_NOPRIVILEGES, "Cannot use an SA command on a U-lined client");
                                return CMD_FAILURE;
                        }
-                       std::string oldnick = user->nick;
-                       if (ServerInstance->IsNick(parameters[1]))
+
+                       if ((!target) || (target->registered != REG_ALL))
                        {
-                               if (target->ForceNickChange(parameters[1]))
-                               {
-                                       ServerInstance->SNO->WriteToSnoMask('A', oldnick+" used SANICK to change "+std::string(parameters[0])+" to "+parameters[1]);
-                                       return CMD_SUCCESS;
-                               }
-                               else
-                               {
-                                       /* We couldnt change the nick */
-                                       ServerInstance->SNO->WriteToSnoMask('A', oldnick+" failed SANICK (from "+std::string(parameters[0])+" to "+parameters[1]+")");
-                                       return CMD_FAILURE;
-                               }
+                               user->WriteNotice("*** No such nickname: '" + parameters[0] + "'");
+                               return CMD_FAILURE;
                        }
-                       else
+
+                       if (!ServerInstance->IsNick(parameters[1]))
                        {
-                               user->WriteServ("NOTICE %s :*** Invalid nickname '%s'", user->nick, parameters[1]);
+                               user->WriteNotice("*** Invalid nickname: '" + parameters[1] + "'");
+                               return CMD_FAILURE;
                        }
-
-                       return CMD_FAILURE;
                }
-               else
+
+               /* Have we hit target's server yet? */
+               if (target && IS_LOCAL(target))
                {
-                       user->WriteServ("NOTICE %s :*** No such nickname: '%s'", user->nick, parameters[0]);
+                       const std::string oldnick = target->nick;
+                       const std::string newnick = parameters[1];
+                       if (!ServerInstance->FindNickOnly(newnick) && target->ChangeNick(newnick))
+                       {
+                               ServerInstance->SNO->WriteGlobalSno('a', user->nick + " used SANICK to change " + oldnick + " to " + newnick);
+                       }
+                       else
+                       {
+                               ServerInstance->SNO->WriteGlobalSno('a', user->nick + " failed SANICK (from " + oldnick + " to " + newnick + ")");
+                       }
                }
 
-               return CMD_FAILURE;
+               return CMD_SUCCESS;
+       }
+
+       RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
+       {
+               return ROUTE_OPT_UCAST(parameters[0]);
        }
 };
 
 
 class ModuleSanick : public Module
 {
-       CommandSanick*  mycommand;
+       CommandSanick cmd;
  public:
-       ModuleSanick(InspIRCd* Me)
-               : Module(Me)
+       ModuleSanick()
+               : cmd(this)
        {
-               
-               mycommand = new CommandSanick(ServerInstance);
-               ServerInstance->AddCommand(mycommand);
-
        }
-       
-       virtual ~ModuleSanick()
-       {
-       }
-       
-       virtual Version GetVersion()
+
+       Version GetVersion() CXX11_OVERRIDE
        {
-               return Version(1, 1, 0, 1, VF_COMMON | VF_VENDOR, API_VERSION);
+               return Version("Adds the /SANICK command which allows server operators to change the nickname of a user.", VF_OPTCOMMON | VF_VENDOR);
        }
-       
 };
 
 MODULE_INIT(ModuleSanick)