]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_chghost.cpp
Add support for blocking tag messages with the deaf mode.
[user/henk/code/inspircd.git] / src / modules / m_chghost.cpp
index 8cfc515cd77032ca8b8739e216c4bd356d972396..d8f306699c1ae27a394926157c81682e278082a6 100644 (file)
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- *                       E-mail:
- *                <brain@chatspike.net>
- *               <Craig@chatspike.net>
- *     
- * Written by Craig Edwards, Craig McLure, and others.
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ *   Copyright (C) 2013-2014, 2017-2018, 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) 2009, 2012 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>
+ *   Copyright (C) 2004-2006 Craig Edwards <brain@inspircd.org>
  *
- * ---------------------------------------------------
+ * 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/>.
  */
 
-using namespace std;
-
-#include <stdio.h>
-#include <string>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "helperfuncs.h"
 
-/* $ModDesc: Provides support for the CHGHOST command */
+#include "inspircd.h"
 
-static Server *Srv;
-
-class cmd_chghost : public command_t
+/** Handle /CHGHOST
+ */
+class CommandChghost : public Command
 {
  public:
-         cmd_chghost () : command_t("CHGHOST",'o',2)
-        {
-                this->source = "m_chghost.so";
-        }
-        
-        void Handle(char **parameters, int pcnt, userrec *user)
+       std::bitset<UCHAR_MAX> hostmap;
+
+       CommandChghost(Module* Creator)
+               : Command(Creator,"CHGHOST", 2)
        {
-                if (strlen(parameters[1]) > 64)
-                {
-                        WriteServ(user->fd,"NOTICE %s :*** CHGHOST: Host too long",user->nick);
-                       return;
-                }
-               for (unsigned int x = 0; x < strlen(parameters[1]); x++)
+               allow_empty_last_param = false;
+               flags_needed = 'o';
+               syntax = "<nick> <host>";
+               TRANSLATE2(TR_NICK, TR_TEXT);
+       }
+
+       CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
+       {
+               if (parameters[1].length() > ServerInstance->Config->Limits.MaxHost)
                {
-                       if (((tolower(parameters[1][x]) < 'a') || (tolower(parameters[1][x]) > 'z')) && (parameters[1][x] != '.'))
+                       user->WriteNotice("*** CHGHOST: Host too long");
+                       return CMD_FAILURE;
+               }
+
+               for (std::string::const_iterator x = parameters[1].begin(); x != parameters[1].end(); x++)
+               {
+                       if (!hostmap.test(static_cast<unsigned char>(*x)))
                        {
-                               if (((parameters[1][x] < '0') || (parameters[1][x]> '9')) && (parameters[1][x] != '-'))
-                               {
-                                       Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+" :*** Invalid characters in hostname");
-                                       return;
-                               }
+                               user->WriteNotice("*** CHGHOST: Invalid characters in hostname");
+                               return CMD_FAILURE;
                        }
-               }       
-               userrec* dest = Srv->FindNick(std::string(parameters[0]));
-               if (dest)
+               }
+
+               User* dest = ServerInstance->FindNick(parameters[0]);
+
+               // Allow services to change the host of unregistered users
+               if ((!dest) || ((dest->registered != REG_ALL) && (!user->server->IsULine())))
                {
-                       Srv->ChangeHost(dest,parameters[1]);
-                       if (!Srv->IsUlined(user->server))
+                       user->WriteNumeric(Numerics::NoSuchNick(parameters[0]));
+                       return CMD_FAILURE;
+               }
+
+               if (IS_LOCAL(dest))
+               {
+                       if ((dest->ChangeDisplayedHost(parameters[1])) && (!user->server->IsULine()))
                        {
                                // fix by brain - ulines set hosts silently
-                               Srv->SendOpers(std::string(user->nick)+" used CHGHOST to make the displayed host of "+std::string(dest->nick)+" become "+std::string(parameters[1]));
+                               ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used CHGHOST to make the displayed host of "+dest->nick+" become "+dest->GetDisplayedHost());
                        }
                }
-       }
-};
-
 
-class ModuleChgHost : public Module
-{
-       cmd_chghost* mycommand;
- public:
-       ModuleChgHost(Server* Me)
-               : Module::Module(Me)
-       {
-               Srv = Me;
-               mycommand = new cmd_chghost();
-               Srv->AddCommand(mycommand);
+               return CMD_SUCCESS;
        }
 
-       void Implements(char* List)
-       {
-       }
-       
-       virtual ~ModuleChgHost()
-       {
-       }
-       
-       virtual Version GetVersion()
+       RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
        {
-               return Version(1,2,0,1,VF_VENDOR);
+               return ROUTE_OPT_UCAST(parameters[0]);
        }
-       
 };
 
-// stuff down here is the module-factory stuff. For basic modules you can ignore this.
 
-class ModuleChgHostFactory : public ModuleFactory
+class ModuleChgHost : public Module
 {
+       CommandChghost cmd;
+
  public:
-       ModuleChgHostFactory()
+       ModuleChgHost()
+               : cmd(this)
        {
        }
-       
-       ~ModuleChgHostFactory()
+
+       void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
        {
+               ConfigTag* tag = ServerInstance->Config->ConfValue("hostname");
+               const std::string hmap = tag->getString("charmap", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789", 1);
+
+               cmd.hostmap.reset();
+               for (std::string::const_iterator n = hmap.begin(); n != hmap.end(); n++)
+                       cmd.hostmap.set(static_cast<unsigned char>(*n));
        }
-       
-       virtual Module * CreateModule(Server* Me)
+
+       Version GetVersion() CXX11_OVERRIDE
        {
-               return new ModuleChgHost(Me);
+               return Version("Adds the /CHGHOST command which allows server operators to change the displayed hostname of a user.", VF_OPTCOMMON | VF_VENDOR);
        }
-       
 };
 
-
-extern "C" void * init_module( void )
-{
-       return new ModuleChgHostFactory;
-}
-
+MODULE_INIT(ModuleChgHost)