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index 6a2499f12f21531d72a8bc5771546ae972b9bf08..0dae8cb0ce9ccc3bbef9c9bfc0a9eb34127c6e78 100644 (file)
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2013, 2017-2020 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2013 Daniel Vassdal <shutter@canternet.org>
+ *   Copyright (C) 2012-2016, 2018 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2006, 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.
  *
- *  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.
+ * 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/>.
  */
 
-/*
- * SAMODE module for InspIRCd
- *  Co authored by Brain and w00t
- *
- *  Syntax: /SAMODE <#chan/nick> +/-<modes> [parameters for modes]
- * 
+
+#include "inspircd.h"
+
+/** Handle /SAMODE
  */
+class CommandSamode : public Command
+{
+       bool logged;
 
-/* $ModDesc: Povides more advanced UnrealIRCd SAMODE command */
+ public:
+       bool active;
+       CommandSamode(Module* Creator) : Command(Creator,"SAMODE", 2)
+       {
+               allow_empty_last_param = false;
+               flags_needed = 'o';
+               syntax = "<target> (+|-)<modes> [<mode-parameters>]";
+               active = false;
+       }
 
-/*
- * ToDo:
- *   Err... not a lot really.
- */ 
+       CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
+       {
+               if (parameters[0].c_str()[0] != '#')
+               {
+                       User* target = ServerInstance->FindNickOnly(parameters[0]);
+                       if ((!target) || (target->registered != REG_ALL))
+                       {
+                               user->WriteNumeric(Numerics::NoSuchNick(parameters[0]));
+                               return CMD_FAILURE;
+                       }
 
-#include <stdio.h>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
+                       // Changing the modes of another user requires a special permission
+                       if ((target != user) && (!user->HasPrivPermission("users/samode-usermodes")))
+                       {
+                               user->WriteNotice("*** You are not allowed to /SAMODE other users (the privilege users/samode-usermodes is needed to /SAMODE others).");
+                               return CMD_FAILURE;
+                       }
+               }
 
-Server *Srv;
-        
+               // XXX: Make ModeParser clear LastParse
+               Modes::ChangeList emptychangelist;
+               ServerInstance->Modes->ProcessSingle(ServerInstance->FakeClient, NULL, ServerInstance->FakeClient, emptychangelist);
 
-void handle_samode(char **parameters, int pcnt, userrec *user)
-{
-       /*
-        * Handles an SAMODE request. Notifies all +s users.
-        */
-       int n=0;
-       std::string result;
-       Srv->Log(DEBUG,"SAMODE: Being handled");
-       Srv->SendMode(parameters,pcnt,user);
-       Srv->Log(DEBUG,"SAMODE: Modechange handled");
-       result = std::string(user->nick) + std::string(" used SAMODE ");
-       while (n<pcnt)
+               logged = false;
+               this->active = true;
+               ServerInstance->Parser.CallHandler("MODE", parameters, user);
+               this->active = false;
+
+               if (!logged)
+               {
+                       // If we haven't logged anything yet then the client queried the list of a listmode
+                       // (e.g. /SAMODE #chan b), which was handled internally by the MODE command handler.
+                       //
+                       // Viewing the modes of a user or a channel could also result in this, but
+                       // that is not possible with /SAMODE because we require at least 2 parameters.
+                       LogUsage(user, stdalgo::string::join(parameters));
+               }
+
+               return CMD_SUCCESS;
+       }
+
+       void LogUsage(const User* user, const std::string& text)
        {
-               result=result + std::string(" ") + std::string(parameters[n]);
-               n++;
+               logged = true;
+               ServerInstance->SNO->WriteGlobalSno('a', user->nick + " used SAMODE: " + text);
        }
-       Srv->SendOpers(result);
-}
+};
 
 class ModuleSaMode : public Module
 {
+       CommandSamode cmd;
  public:
        ModuleSaMode()
+               : cmd(this)
        {
-               Srv = new Server;
-                Srv->Log(DEBUG,"SAMODE: Pre-add cmd");
-               Srv->AddCommand("SAMODE",handle_samode,'o',2);
-               Srv->Log(DEBUG,"SAMODE: Post-add cmd");
        }
-       
-       virtual ~ModuleSaMode()
+
+       Version GetVersion() CXX11_OVERRIDE
        {
-               delete Srv;
+               return Version("Adds the /SAMODE command which allows server operators to change the modes of a target (channel, user) that they would not otherwise have the privileges to change.", VF_VENDOR);
        }
-       
-       virtual Version GetVersion()
+
+       ModResult OnPreMode(User* source, User* dest, Channel* channel, Modes::ChangeList& modes) CXX11_OVERRIDE
        {
-               return Version(1,0,2,1);
+               if (cmd.active)
+                       return MOD_RES_ALLOW;
+               return MOD_RES_PASSTHRU;
        }
-       
-       virtual void OnUserConnect(userrec* user)
+
+       void OnMode(User* user, User* destuser, Channel* destchan, const Modes::ChangeList& modes, ModeParser::ModeProcessFlag processflags) CXX11_OVERRIDE
        {
-       }
+               if (!cmd.active)
+                       return;
 
-};
+               std::string logtext = (destuser ? destuser->nick : destchan->name);
+               logtext.push_back(' ');
+               logtext += ClientProtocol::Messages::Mode::ToModeLetters(modes);
 
+               for (Modes::ChangeList::List::const_iterator i = modes.getlist().begin(); i != modes.getlist().end(); ++i)
+               {
+                       const Modes::Change& item = *i;
+                       if (!item.param.empty())
+                               logtext.append(1, ' ').append(item.param);
+               }
 
-class ModuleSaModeFactory : public ModuleFactory
-{
- public:
-       ModuleSaModeFactory()
-       {
-       }
-       
-       ~ModuleSaModeFactory()
-       {
+               cmd.LogUsage(user, logtext);
        }
-       
-       virtual Module * CreateModule()
+
+       void Prioritize() CXX11_OVERRIDE
        {
-               return new ModuleSaMode;
+               Module* disable = ServerInstance->Modules->Find("m_disable.so");
+               ServerInstance->Modules->SetPriority(this, I_OnRawMode, PRIORITY_BEFORE, disable);
+
+               Module *override = ServerInstance->Modules->Find("m_override.so");
+               ServerInstance->Modules->SetPriority(this, I_OnPreMode, PRIORITY_BEFORE, override);
        }
-       
 };
 
-
-extern "C" void * init_module( void )
-{
-       return new ModuleSaModeFactory;
-}
+MODULE_INIT(ModuleSaMode)