]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_knock.cpp
Fix the cloaking module on C++98 compilers.
[user/henk/code/inspircd.git] / src / modules / m_knock.cpp
index 9553b619e17b31a96acb989c1d6923f577998f60..e7e55f0e90216f5469b061ffc4199d8c5b3303f0 100644 (file)
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  Inspire is copyright (C) 2002-2004 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) 2017 B00mX0r <b00mx0r@aureus.pw>
+ *   Copyright (C) 2013, 2018, 2020 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012-2013, 2016, 2018 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2004, 2006, 2008, 2010 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/>.
  */
 
-#include <stdio.h>
-#include <string>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "helperfuncs.h"
 
-/* $ModDesc: Provides support for /KNOCK and mode +K */
+#include "inspircd.h"
 
-Server *Srv;
-        
-void handle_knock(char **parameters, int pcnt, userrec *user)
+enum
 {
-       chanrec* c = Srv->FindChannel(parameters[0]);
-       std::string line = "";
+       // From UnrealIRCd.
+       ERR_CANNOTKNOCK = 480,
 
-       for (int i = 1; i < pcnt - 1; i++)
-       {
-               line = line + std::string(parameters[i]) + " ";
-       }
-       line = line + std::string(parameters[pcnt-1]);
+       // From ircd-ratbox.
+       RPL_KNOCK = 710,
+       RPL_KNOCKDLVR = 711,
+       ERR_CHANOPEN = 713,
+       ERR_KNOCKONCHAN = 714
+};
 
-       if (c->IsCustomModeSet('K'))
-       {
-               WriteServ(user->fd,"480 %s :Can't KNOCK on %s, +K is set.",user->nick, c->name);
-               return;
-       }
-       if (c->binarymodes & CM_INVITEONLY)
+/** Handles the /KNOCK command
+ */
+class CommandKnock : public Command
+{
+       SimpleChannelModeHandler& noknockmode;
+       ChanModeReference inviteonlymode;
+
+ public:
+       bool sendnotice;
+       bool sendnumeric;
+       CommandKnock(Module* Creator, SimpleChannelModeHandler& Noknockmode)
+               : Command(Creator,"KNOCK", 2, 2)
+               , noknockmode(Noknockmode)
+               , inviteonlymode(Creator, "inviteonly")
        {
-               WriteChannelWithServ((char*)Srv->GetServerName().c_str(),c,"NOTICE %s :User %s is KNOCKing on %s (%s)",c->name,user->nick,c->name,line.c_str());
-               WriteServ(user->fd,"NOTICE %s :KNOCKing on %s",user->nick,c->name);
-               return;
+               syntax = "<channel> :<reason>";
+               Penalty = 5;
        }
-       else
+
+       CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
        {
-               WriteServ(user->fd,"480 %s :Can't KNOCK on %s, channel is not invite only so knocking is pointless!",user->nick, c->name);
-               return;
-       }
-}
+               Channel* c = ServerInstance->FindChan(parameters[0]);
+               if (!c)
+               {
+                       user->WriteNumeric(Numerics::NoSuchChannel(parameters[0]));
+                       return CMD_FAILURE;
+               }
 
+               if (c->HasUser(user))
+               {
+                       user->WriteNumeric(ERR_KNOCKONCHAN, c->name, InspIRCd::Format("Can't KNOCK on %s, you are already on that channel.", c->name.c_str()));
+                       return CMD_FAILURE;
+               }
 
-class ModuleKnock : public Module
-{
- public:
-       ModuleKnock()
-       {
-               Srv = new Server;
-               
-               Srv->AddExtendedMode('K',MT_CHANNEL,false,0,0);
-               Srv->AddCommand("KNOCK",handle_knock,0,2,"m_knock.so");
-       }
+               if (c->IsModeSet(noknockmode))
+               {
+                       user->WriteNumeric(ERR_CANNOTKNOCK, InspIRCd::Format("Can't KNOCK on %s, +K is set.", c->name.c_str()));
+                       return CMD_FAILURE;
+               }
 
-        virtual void On005Numeric(std::string &output)
-        {
-                std::stringstream line(output);
-                std::string temp1, temp2;
-                while (!line.eof())
-                {
-                        line >> temp1;
-                        if (temp1.substr(0,10) == "CHANMODES=")
-                        {
-                                // append the chanmode to the end
-                                temp1 = temp1.substr(10,temp1.length());
-                                temp1 = "CHANMODES=" + temp1 + "K";
-                        }
-                        temp2 = temp2 + temp1 + " ";
-                }
-               if (temp2.length())
+               if (!c->IsModeSet(inviteonlymode))
                {
-                       output = temp2.substr(0,temp2.length()-1) + std::string(" KNOCK");
+                       user->WriteNumeric(ERR_CHANOPEN, c->name, InspIRCd::Format("Can't KNOCK on %s, channel is not invite only so knocking is pointless!", c->name.c_str()));
+                       return CMD_FAILURE;
                }
-               else output = output + std::string(" KNOCK");
-        }
 
-       virtual ~ModuleKnock()
-       {
-               delete Srv;
-       }
-       
-       virtual Version GetVersion()
-       {
-               return Version(1,0,0,1,VF_STATIC|VF_VENDOR);
-       }
-       
-       virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list &params)
-       {
-               // check if this is our mode character...
-               if ((modechar == 'K') && (type == MT_CHANNEL))
-               {
-                       return 1;
+               if (sendnotice)
+               {
+                       c->WriteNotice(InspIRCd::Format("User %s is KNOCKing on %s (%s)", user->nick.c_str(), c->name.c_str(), parameters[1].c_str()));
+                       user->WriteNotice("KNOCKing on " + c->name);
                }
-               else
+
+               if (sendnumeric)
                {
-                       return 0;
+                       Numeric::Numeric numeric(RPL_KNOCK);
+                       numeric.push(c->name).push(user->GetFullHost()).push("is KNOCKing: " + parameters[1]);
+
+                       ClientProtocol::Messages::Numeric numericmsg(numeric, c->name);
+                       c->Write(ServerInstance->GetRFCEvents().numeric, numericmsg);
+
+                       user->WriteNumeric(RPL_KNOCKDLVR, c->name, "KNOCKing on channel");
                }
+
+               return CMD_SUCCESS;
        }
 
+       RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
+       {
+               return ROUTE_OPT_BCAST;
+       }
 };
 
-// stuff down here is the module-factory stuff. For basic modules you can ignore this.
-
-class ModuleKnockFactory : public ModuleFactory
+class ModuleKnock : public Module
 {
+       SimpleChannelModeHandler kn;
+       CommandKnock cmd;
+
  public:
-       ModuleKnockFactory()
+       ModuleKnock()
+               : kn(this, "noknock", 'K')
+               , cmd(this, kn)
        {
        }
-       
-       ~ModuleKnockFactory()
+
+       void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
        {
+               std::string knocknotify = ServerInstance->Config->ConfValue("knock")->getString("notify");
+               if (stdalgo::string::equalsci(knocknotify, "numeric"))
+               {
+                       cmd.sendnotice = false;
+                       cmd.sendnumeric = true;
+               }
+               else if (stdalgo::string::equalsci(knocknotify, "both"))
+               {
+                       cmd.sendnotice = true;
+                       cmd.sendnumeric = true;
+               }
+               else
+               {
+                       cmd.sendnotice = true;
+                       cmd.sendnumeric = false;
+               }
        }
-       
-       virtual Module * CreateModule()
+
+       Version GetVersion() CXX11_OVERRIDE
        {
-               return new ModuleKnock;
+               return Version("Adds the /KNOCK command which allows users to request access to an invite-only channel and channel mode K (noknock) which allows channels to disable usage of this command.", VF_OPTCOMMON | VF_VENDOR);
        }
-       
 };
 
-
-extern "C" void * init_module( void )
-{
-       return new ModuleKnockFactory;
-}
-
+MODULE_INIT(ModuleKnock)