module +k in inspircd.3.15.0
#1
Hey, guys. I'm using inspircd-3.15.0 with Anope-2.0.12 and I have to repair servprotect module about mode +k, who prewent u-lined users to be deoped, killed and glined, becouse I'm using eggdrop like services in ulined services, but eggdrop can not set mode +k. This is the module and if is posiable someone tell me what I have to change to be able ulined users eggdrop to use +k mode.


Code:
/*
* InspIRCd -- Internet Relay Chat Daemon
*
*  Copyright (C) 2013, 2017-2018, 2020-2022 Sadie Powell <sadie@witchery.services>
*  Copyright (C) 2012-2016 Attila Molnar <attilamolnar@hush.com>
*  Copyright (C) 2012 Robby <robby@chatbelgie.be>
*  Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
*  Copyright (C) 2008 Craig Edwards <brain@inspircd.org>
*  Copyright (C) 2007-2008 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/>.
*/


#include "inspircd.h"
#include "modules/whois.h"

enum
{
// From UnrealIRCd.
ERR_KILLDENY = 485
};

/** Handles user mode +k
*/
class ServProtectMode : public ModeHandler
{
public:
ServProtectMode(Module* Creator) : ModeHandler(Creator, "servprotect", 'k', PARAM_NONE, MODETYPE_USER) { oper = true; }

ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string& parameter, bool adding) CXX11_OVERRIDE
{
/* Because this returns MODEACTION_DENY all the time, there is only ONE
* way to add this mode and that is at client introduction in the UID command,
* as this calls OnModeChange for each mode but disregards the return values.
* The mode cannot be manually added or removed, not even by a server or by a remote
* user or uline, which prevents its (ab)use as a kiddie 'god mode' on such networks.
* I'm sure if someone really wants to do that they can make a copy of this module
* that does the job. It won't be me though!
*/
return MODEACTION_DENY;
}
};

class ModuleServProtectMode CXX11_FINAL
: public Module
, public Whois::LineEventListener
{
ServProtectMode bm;
public:
ModuleServProtectMode()
: Whois::LineEventListener(this)
, bm(this)
{
}

Version GetVersion() CXX11_OVERRIDE
{
return Version("Adds user mode k (servprotect) which protects services pseudoclients from being kicked, being killed, or having their channel prefix modes changed.", VF_VENDOR);
}

ModResult OnRawMode(User* user, Channel* chan, ModeHandler* mh, const std::string& param, bool adding) CXX11_OVERRIDE
{
/* Check that the mode is not a server mode, it is being removed, the user making the change is local, there is a parameter,
* and the user making the change is not a uline
*/
if (!adding && chan && IS_LOCAL(user) && !param.empty())
{
const PrefixMode* const pm = mh->IsPrefixMode();
if (!pm)
return MOD_RES_PASSTHRU;

/* Check if the parameter is a valid nick/uuid
*/
User *u = ServerInstance->FindNick(param);
if (u)
{
Membership* memb = chan->GetUser(u);
/* The target user has +k set on themselves, and you are trying to remove a privilege mode the user has set on themselves.
* This includes any prefix permission mode, even those registered in other modules, e.g. +qaohv. Using ::ModeString()
* here means that the number of modes is restricted to only modes the user has, limiting it to as short a loop as possible.
*/
if ((u->IsModeSet(bm)) && (memb) && (memb->HasMode(pm)))
{
/* BZZZT, Denied! */
user->WriteNumeric(ERR_RESTRICTED, chan->name, InspIRCd::Format("You are not permitted to remove privileges from %s services", ServerInstance->Config->Network.c_str()));
return MOD_RES_DENY;
}
}
}
/* Mode allowed */
return MOD_RES_PASSTHRU;
}

ModResult OnKill(User* src, User* dst, const std::string &reason) CXX11_OVERRIDE
{
if (src == NULL)
return MOD_RES_PASSTHRU;

if (dst->IsModeSet(bm))
{
src->WriteNumeric(ERR_KILLDENY, InspIRCd::Format("You are not permitted to kill %s services!", ServerInstance->Config->Network.c_str()));
ServerInstance->SNO->WriteGlobalSno('a', src->nick+" tried to kill service "+dst->nick+" ("+reason+")");
return MOD_RES_DENY;
}
return MOD_RES_PASSTHRU;
}

ModResult OnUserPreKick(User *src, Membership* memb, const std::string &reason) CXX11_OVERRIDE
{
if (memb->user->IsModeSet(bm))
{
src->WriteNumeric(ERR_RESTRICTED, memb->chan->name, "You are not permitted to kick services");
return MOD_RES_DENY;
}

return MOD_RES_PASSTHRU;
}

ModResult OnWhoisLine(Whois::Context& whois, Numeric::Numeric& numeric) CXX11_OVERRIDE
{
return ((numeric.GetNumeric() == RPL_WHOISCHANNELS) && whois.GetTarget()->IsModeSet(bm)) ? MOD_RES_DENY : MOD_RES_PASSTHRU;
}
};

MODULE_INIT(ModuleServProtectMode)
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