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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
*
* 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/>.
*/
/*
* 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
{
public:
OperPrefixMode(Module* Creator) : ModeHandler(Creator, "operprefix", 'y', PARAM_ALWAYS, MODETYPE_CHANNEL)
{
std::string pfx = ServerInstance->Config->ConfValue("operprefix")->getString("prefix", "!");
list = true;
prefix = pfx.empty() ? '!' : pfx[0];
levelrequired = OPERPREFIX_VALUE;
m_paramtype = TR_NICK;
}
unsigned int GetPrefixRank()
{
return OPERPREFIX_VALUE;
}
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
if (IS_SERVER(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;
}
}
bool NeedsOper() { return true; }
};
class ModuleOperPrefixMode;
class HideOperWatcher : public ModeWatcher
{
ModuleOperPrefixMode* parentmod;
public:
HideOperWatcher(ModuleOperPrefixMode* parent) : ModeWatcher((Module*) parent, 'H', MODETYPE_USER), parentmod(parent) {}
void AfterMode(User* source, User* dest, Channel* channel, const std::string ¶meter, bool adding, ModeType type);
};
class ModuleOperPrefixMode : public Module
{
OperPrefixMode opm;
bool mw_added;
HideOperWatcher hideoperwatcher;
public:
ModuleOperPrefixMode()
: opm(this), mw_added(false), hideoperwatcher(this)
{
}
void init()
{
ServerInstance->Modules->AddService(opm);
Implementation eventlist[] = { I_OnUserPreJoin, I_OnPostOper, I_OnLoadModule, I_OnUnloadModule };
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
/* 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.
*/
if (ServerInstance->Modules->Find("m_hideoper.so"))
mw_added = ServerInstance->Modes->AddModeWatcher(&hideoperwatcher);
}
ModResult OnUserPreJoin(User* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven)
{
/* The user may have the +H umode on himself, but +H does not necessarily correspond
* to the +H of m_hideoper.
* However we only add the modewatcher when m_hideoper is loaded, so these
* conditions (mw_added and the user being +H) together mean the user is a hidden oper.
*/
if (user->IsOper() && (!mw_added || !user->IsModeSet('H')))
privs.push_back('y');
return MOD_RES_PASSTHRU;
}
void SetOperPrefix(User* user, bool add)
{
std::vector<std::string> modechange;
modechange.push_back("");
modechange.push_back(add ? "+y" : "-y");
modechange.push_back(user->nick);
for (UCListIter v = user->chans.begin(); v != user->chans.end(); v++)
{
modechange[0] = (*v)->name;
ServerInstance->SendGlobalMode(modechange, ServerInstance->FakeClient);
}
}
void OnPostOper(User* user, const std::string& opername, const std::string& opertype)
{
if (IS_LOCAL(user) && (!mw_added || !user->IsModeSet('H')))
SetOperPrefix(user, true);
}
void OnLoadModule(Module* mod)
{
if ((!mw_added) && (mod->ModuleSourceFile == "m_hideoper.so"))
mw_added = ServerInstance->Modes->AddModeWatcher(&hideoperwatcher);
}
void OnUnloadModule(Module* mod)
{
if ((mw_added) && (mod->ModuleSourceFile == "m_hideoper.so") && (ServerInstance->Modes->DelModeWatcher(&hideoperwatcher)))
mw_added = false;
}
~ModuleOperPrefixMode()
{
if (mw_added)
ServerInstance->Modes->DelModeWatcher(&hideoperwatcher);
}
Version GetVersion()
{
return Version("Gives opers cmode +y which provides a staff prefix.", VF_VENDOR);
}
void Prioritize()
{
// 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);
}
};
void HideOperWatcher::AfterMode(User* source, User* dest, Channel* channel, const std::string& parameter, bool adding, ModeType type)
{
if (IS_LOCAL(dest))
parentmod->SetOperPrefix(dest, !adding);
}
MODULE_INIT(ModuleOperPrefixMode)
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