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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
/* $ModDesc: Provides support for Austhex style +k / UnrealIRCD +S services mode */
/** Handles user mode +k
*/
class ServProtectMode : public ModeHandler
{
public:
ServProtectMode(InspIRCd* Instance) : ModeHandler(Instance, 'k', 0, 0, false, MODETYPE_USER, true) { }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, bool)
{
/* Because this returns MODEACTION_DENY all the time, there is only ONE
* way to add this mode and that is at client introduction in the UID command,
* as this calls OnModeChange for each mode but disregards the return values.
* The mode cannot be manually added or removed, not even by a server or by a remote
* user or uline, which prevents its (ab)use as a kiddie 'god mode' on such networks.
* I'm sure if someone really wants to do that they can make a copy of this module
* that does the job. It won't be me though!
*/
return MODEACTION_DENY;
}
bool NeedsOper() { return true; }
};
class ModuleServProtectMode : public Module
{
ServProtectMode* bm;
public:
ModuleServProtectMode(InspIRCd* Me)
: Module(Me)
{
bm = new ServProtectMode(ServerInstance);
if (!ServerInstance->Modes->AddMode(bm))
throw ModuleException("Could not add new modes!");
Implementation eventlist[] = { I_OnWhois, I_OnKill, I_OnWhoisLine, I_OnRawMode, I_OnUserPreKick };
ServerInstance->Modules->Attach(eventlist, this, 5);
}
virtual ~ModuleServProtectMode()
{
ServerInstance->Modes->DelMode(bm);
delete bm;
}
virtual Version GetVersion()
{
return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
}
virtual void OnWhois(User* src, User* dst)
{
if (dst->IsModeSet('k'))
{
ServerInstance->SendWhoisLine(src, dst, 310, std::string(src->nick)+" "+std::string(dst->nick)+" :is an "+ServerInstance->Config->Network+" Service");
}
}
virtual int OnRawMode(User* user, Channel* chan, const char mode, const std::string ¶m, bool adding, int pcnt, bool servermode)
{
/* 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 (!servermode && !adding && chan && IS_LOCAL(user) && !param.empty() && !ServerInstance->ULine(user->server))
{
/* Check if the parameter is a valid nick/uuid
*/
User *u = ServerInstance->FindNick(param);
if (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('k') && ServerInstance->Modes->ModeString(u, chan, false).find(mode) != std::string::npos)
{
/* BZZZT, Denied! */
user->WriteNumeric(482, "%s %s :You are not permitted to remove privileges from %s services", user->nick.c_str(), chan->name.c_str(), ServerInstance->Config->Network);
return ACR_DENY;
}
}
}
/* Mode allowed */
return 0;
}
virtual int OnKill(User* src, User* dst, const std::string &reason)
{
if (src == NULL)
return 0;
if (dst->IsModeSet('k'))
{
src->WriteNumeric(485, "%s :You are not permitted to kill %s services!", src->nick.c_str(), ServerInstance->Config->Network);
ServerInstance->SNO->WriteToSnoMask('A', std::string(src->nick)+" tried to kill service "+dst->nick+" ("+reason+")");
return 1;
}
return 0;
}
virtual int OnUserPreKick(User *src, User *dst, Channel *c, const std::string &reason)
{
if (dst->IsModeSet('k'))
{
src->WriteNumeric(484, "%s %s :You are not permitted to kick services", src->nick.c_str(), c->name.c_str());
return 1;
}
return 0;
}
virtual int OnWhoisLine(User* src, User* dst, int &numeric, std::string &text)
{
return ((src != dst) && (numeric == 319) && dst->IsModeSet('k'));
}
};
MODULE_INIT(ModuleServProtectMode)
|
