]> 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 d416d5699b64f6c9cce9a75a47d22bc6eb45a1b7..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
 
-std::set<std::string>* SetupExt(User* user)
-{
-       std::set<std::string>* ext;
-       if (!user->GetExt("m_operprefix",ext))
-       {
-               ext=new std::set<std::string>;
-               ext->clear();
-               user->Extend("m_operprefix",ext);
-       }
-       return ext;
-}
-
-
-void DelPrefixChan(User* user, Channel* channel)
-{
-       std::set<std::string>* chans = SetupExt(user);
-       chans->erase(channel->name);
-}
-
-
-void AddPrefixChan(User* user, Channel* channel)
-{
-       std::set<std::string>* chans = SetupExt(user);
-       chans->insert(channel->name);
-}
-
-
-class OperPrefixMode : public ModeHandler
+class OperPrefixMode : public PrefixMode
 {
        public:
-               OperPrefixMode(InspIRCd* Instance, Module* Creator, char pfx) : ModeHandler(Instance, Creator, 'y', 1, 1, true, MODETYPE_CHANNEL, false, pfx, pfx, TR_NICK) { }
-
-               unsigned int GetPrefixRank()
-               {
-                       return OPERPREFIX_VALUE;
-               }
-
-               ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string &parameter, bool adding, bool servermode)
+               OperPrefixMode(Module* Creator)
+                       : PrefixMode(Creator, "operprefix", 'y', OPERPREFIX_VALUE)
                {
-                       if (servermode || (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);
-                       if (x)
-                       {
-                               if (!channel->HasUser(x))
-                               {
-                                       return std::make_pair(false, parameter);
-                               }
-                               else
-                               {
-                                       std::set<std::string>* ext;
-                                       if (x->GetExt("m_operprefix",ext))
-                                       {
-                                               if (ext->find(channel->name)!=ext->end())
-                                               {
-                                                       return std::make_pair(true, x->nick);
-                                               }
-                                               else
-                                                       return std::make_pair(false, parameter);
-                                       }
-                                       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;
- public:
-       ModuleOperPrefixMode(InspIRCd* Me) : Module(Me)
-       {
-               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_OnCleanup, I_OnUserQuit, I_OnUserKick, I_OnUserPart, I_OnOper };
-               ServerInstance->Modules->Attach(eventlist, this, 6);
-       }
+       OperPrefixMode opm;
+       HideOperWatcher hideoperwatcher;
+       UserModeReference hideopermode;
 
-       void PushChanMode(Channel* channel, User* user, bool negate = false)
+ public:
+       ModuleOperPrefixMode()
+               : opm(this), hideoperwatcher(this)
+               , hideopermode(this, "hideoper")
        {
-               if (negate)
-                       DelPrefixChan(user, channel);
-               else
-                       AddPrefixChan(user, channel);
-               char modeline[] = "+y";
-               if (negate)
-                       modeline[0] = '-';
-               std::vector<std::string> modechange;
-               modechange.push_back(channel->name);
-               modechange.push_back(modeline);
-               modechange.push_back(user->nick);
-               ServerInstance->SendMode(modechange,this->ServerInstance->FakeClient);
+               /* 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.
+                */
        }
 
-       virtual void OnPostJoin(User *user, Channel *channel)
+       ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
        {
-               if (user && IS_OPER(user))
-               {
-                       if (user->IsModeSet('H'))
-                       {
-                               /* we respect your wish to be invisible */
-                               return;
-                       }
-                       PushChanMode(channel, user);
-               }
+               if ((user->IsOper()) && (!user->IsModeSet(hideopermode)))
+                       privs.push_back('y');
+               return MOD_RES_PASSTHRU;
        }
 
-       // XXX: is there a better way to do this?
-       virtual int OnRawMode(User* user, Channel* chan, const char mode, const std::string &param, bool adding, int pcnt, bool servermode)
+       void OnPostJoin(Membership* memb) CXX11_OVERRIDE
        {
-               /* force event propagation to its ModeHandler */
-               if (!servermode && chan && (mode == 'y'))
-                       return ACR_ALLOW;
-               return 0;
-       }
+               if ((!IS_LOCAL(memb->user)) || (!memb->user->IsOper()) || (memb->user->IsModeSet(hideopermode)))
+                       return;
 
-       virtual void OnOper(User *user, const std::string&)
-       {
-               if (user && !user->IsModeSet('H'))
-               {
-                       for (UCListIter v = user->chans.begin(); v != user->chans.end(); v++)
-                       {
-                               PushChanMode(v->first, user);
-                       }
-               }
-       }
+               if (memb->HasMode(&opm))
+                       return;
 
-       virtual ~ModuleOperPrefixMode()
-       {
-               ServerInstance->Modes->DelMode(opm);
-               delete opm;
+               // 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);
        }
 
-       void CleanUser(User* user, bool quitting)
+       void SetOperPrefix(User* user, bool add)
        {
-
-               std::set<std::string>* ext;
-               if (user->GetExt("m_operprefix",ext))
-               {
-                       // Don't want to announce -mode when they're quitting anyway..
-                       if (!quitting)
-                       {
-                               for (UCListIter v = user->chans.begin(); v != user->chans.end(); v++)
-                               {
-                                       ModePair ms = opm->ModeSet(NULL, NULL , v->first, user->nick);
-                                       if (ms.first)
-                                       {
-                                               PushChanMode(v->first, user, true);
-                                       }
-                               }
-                       }
-                       ext->clear();
-                       delete ext;
-                       user->Shrink("m_operprefix");
-               }
+               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);
        }
 
-       virtual void OnCleanup(int target_type, void* item)
+       void OnPostOper(User* user, const std::string& opername, const std::string& opertype) CXX11_OVERRIDE
        {
-               if (target_type == TYPE_USER)
-               {
-                       User* user = (User*)item;
-                       CleanUser(user, false);
-               }
+               if (IS_LOCAL(user) && (!user->IsModeSet(hideopermode)))
+                       SetOperPrefix(user, true);
        }
 
-       virtual void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
+       Version GetVersion() CXX11_OVERRIDE
        {
-               CleanUser(user,true);
+               return Version("Adds the server operator-only y (operprefix) channel prefix mode.", VF_VENDOR);
        }
 
-       virtual void OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent)
+       void Prioritize() CXX11_OVERRIDE
        {
-               DelPrefixChan(user, chan);
+               // 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);
        }
+};
 
-       virtual void OnUserPart(User* user, Channel* channel, std::string &partreason, bool &silent)
-       {
-               DelPrefixChan(user, channel);
-       }
+HideOperWatcher::HideOperWatcher(ModuleOperPrefixMode* parent)
+       : ModeWatcher(parent, "hideoper", MODETYPE_USER)
+       , parentmod(parent)
+{
+}
 
-       virtual Version GetVersion()
-       {
-               return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
-       }
-};
+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)