]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_operprefix.cpp
Fix the cloaking module on C++98 compilers.
[user/henk/code/inspircd.git] / src / modules / m_operprefix.cpp
index 7bf3a36236e40f253dc1255702c26bcce0b75910..c703d4d7936abcb1df0c0467d0077aae859c5f34 100644 (file)
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2013, 2017 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012-2016 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2009-2010 Craig Edwards <brain@inspircd.org>
+ *   Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
  *
- *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * 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 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/>.
  */
 
+
 /*
  * Originally by Chernov-Phoenix Alexey (Phoenix@RusNet) mailto:phoenix /email address separator/ pravmail.ru
  */
 
-/* $ModDesc: Gives opers cmode +y which provides a staff prefix. */
-
 #include "inspircd.h"
 
 #define OPERPREFIX_VALUE 1000000
 
-class OperPrefixMode : public ModeHandler
+class OperPrefixMode : public PrefixMode
 {
        public:
-               OperPrefixMode(InspIRCd* Instance, Module* Creator, char pfx) : ModeHandler(Creator, 'y', PARAM_ALWAYS, MODETYPE_CHANNEL)
-               {
-                       list = true;
-                       prefix = pfx;
-                       levelrequired = OPERPREFIX_VALUE;
-                       m_paramtype = TR_NICK;
-               }
-
-               unsigned int GetPrefixRank()
+               OperPrefixMode(Module* Creator)
+                       : PrefixMode(Creator, "operprefix", 'y', OPERPREFIX_VALUE)
                {
-                       return OPERPREFIX_VALUE;
-               }
-
-               ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string &parameter, bool adding)
-               {
-                       if (IS_FAKE(source) || (source && ServerInstance->ULine(source->server)))
-                               return MODEACTION_ALLOW;
-                       else
-                       {
-                               if (source && channel)
-                                       source->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :Only servers are permitted to change channel mode '%c'", source->nick.c_str(), channel->name.c_str(), 'y');
-                               return MODEACTION_DENY;
-                       }
+                       prefix = ServerInstance->Config->ConfValue("operprefix")->getString("prefix", "!", 1, 1)[0];
+                       ranktoset = ranktounset = UINT_MAX;
                }
+};
 
-               ModePair ModeSet(User* source, User* dest, Channel* channel, const std::string &parameter)
-               {
-                       User* x = ServerInstance->FindNick(parameter);
-                       Membership* m = channel->GetUser(x);
-                       if (x)
-                       {
-                               if (!m)
-                               {
-                                       return std::make_pair(false, parameter);
-                               }
-                               else
-                               {
-                                       if (m->hasMode('y'))
-                                               return std::make_pair(true, x->nick);
-                                       else
-                                                       return std::make_pair(false, parameter);
-                               }
-                       }
-                       return std::make_pair(false, parameter);
-               }
+class ModuleOperPrefixMode;
+class HideOperWatcher : public ModeWatcher
+{
+       ModuleOperPrefixMode* parentmod;
 
-               bool NeedsOper() { return true; }
+ public:
+       HideOperWatcher(ModuleOperPrefixMode* parent);
+       void AfterMode(User* source, User* dest, Channel* channel, const std::string &parameter, bool adding) CXX11_OVERRIDE;
 };
 
 class ModuleOperPrefixMode : public Module
 {
- private:
-       OperPrefixMode* opm;
+       OperPrefixMode opm;
+       HideOperWatcher hideoperwatcher;
+       UserModeReference hideopermode;
+
  public:
-       ModuleOperPrefixMode(InspIRCd* Me) : Module(Me)
+       ModuleOperPrefixMode()
+               : opm(this), hideoperwatcher(this)
+               , hideopermode(this, "hideoper")
        {
-               ConfigReader Conf(ServerInstance);
-               std::string pfx = Conf.ReadValue("operprefix", "prefix", "!", 0, false);
-
-               opm = new OperPrefixMode(ServerInstance, this, pfx[0]);
-               if ((!ServerInstance->Modes->AddMode(opm)))
-                       throw ModuleException("Could not add a new mode!");
-
-               Implementation eventlist[] = { I_OnPostJoin, I_OnUserQuit, I_OnUserKick, I_OnUserPart, I_OnOper };
-               ServerInstance->Modules->Attach(eventlist, this, 5);
+               /* To give clients a chance to learn about the new prefix we don't give +y to opers
+                * right now. That means if the module was loaded after opers have joined channels
+                * they need to rejoin them in order to get the oper prefix.
+                */
        }
 
-       void PushChanMode(Channel* channel, User* user)
+       ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
        {
-               char modeline[] = "+y";
-               std::vector<std::string> modechange;
-               modechange.push_back(channel->name);
-               modechange.push_back(modeline);
-               modechange.push_back(user->nick);
-               ServerInstance->SendMode(modechange,ServerInstance->FakeClient);
+               if ((user->IsOper()) && (!user->IsModeSet(hideopermode)))
+                       privs.push_back('y');
+               return MOD_RES_PASSTHRU;
        }
 
-       void OnPostJoin(Membership* memb)
+       void OnPostJoin(Membership* memb) CXX11_OVERRIDE
        {
-               if (IS_OPER(memb->user) && !memb->user->IsModeSet('H'))
-                       PushChanMode(memb->chan, memb->user);
+               if ((!IS_LOCAL(memb->user)) || (!memb->user->IsOper()) || (memb->user->IsModeSet(hideopermode)))
+                       return;
+
+               if (memb->HasMode(&opm))
+                       return;
+
+               // The user was force joined and OnUserPreJoin() did not run. Set the operprefix now.
+               Modes::ChangeList changelist;
+               changelist.push_add(&opm, memb->user->nick);
+               ServerInstance->Modes.Process(ServerInstance->FakeClient, memb->chan, NULL, changelist);
        }
 
-       // XXX: is there a better way to do this?
-       ModResult OnRawMode(User* user, Channel* chan, const char mode, const std::string &param, bool adding, int pcnt)
+       void SetOperPrefix(User* user, bool add)
        {
-               /* force event propagation to its ModeHandler */
-               if (!IS_FAKE(user) && chan && (mode == 'y'))
-                       return MOD_RES_ALLOW;
-               return MOD_RES_PASSTHRU;
+               Modes::ChangeList changelist;
+               changelist.push(&opm, add, user->nick);
+               for (User::ChanList::iterator v = user->chans.begin(); v != user->chans.end(); v++)
+                       ServerInstance->Modes->Process(ServerInstance->FakeClient, (*v)->chan, NULL, changelist);
        }
 
-       void OnOper(User *user, const std::string&)
+       void OnPostOper(User* user, const std::string& opername, const std::string& opertype) CXX11_OVERRIDE
        {
-               if (user && !user->IsModeSet('H'))
-               {
-                       for (UCListIter v = user->chans.begin(); v != user->chans.end(); v++)
-                       {
-                               PushChanMode(*v, user);
-                       }
-               }
+               if (IS_LOCAL(user) && (!user->IsModeSet(hideopermode)))
+                       SetOperPrefix(user, true);
        }
 
-       ~ModuleOperPrefixMode()
+       Version GetVersion() CXX11_OVERRIDE
        {
-               ServerInstance->Modes->DelMode(opm);
-               delete opm;
+               return Version("Adds the server operator-only y (operprefix) channel prefix mode.", VF_VENDOR);
        }
 
-       Version GetVersion()
+       void Prioritize() CXX11_OVERRIDE
        {
-               return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
+               // m_opermodes may set +H on the oper to hide him, we don't want to set the oper prefix in that case
+               Module* opermodes = ServerInstance->Modules->Find("m_opermodes.so");
+               ServerInstance->Modules->SetPriority(this, I_OnPostOper, PRIORITY_AFTER, opermodes);
        }
 };
 
+HideOperWatcher::HideOperWatcher(ModuleOperPrefixMode* parent)
+       : ModeWatcher(parent, "hideoper", MODETYPE_USER)
+       , parentmod(parent)
+{
+}
+
+void HideOperWatcher::AfterMode(User* source, User* dest, Channel* channel, const std::string& parameter, bool adding)
+{
+       // If hideoper is being unset because the user is deopering, don't set +y
+       if (IS_LOCAL(dest) && dest->IsOper())
+               parentmod->SetOperPrefix(dest, !adding);
+}
+
 MODULE_INIT(ModuleOperPrefixMode)