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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
/* $ModDesc: Provides support for channel mode +N & extban +b N: which prevents nick changes on channel */
class NoNicks : public ModeHandler
{
public:
NoNicks(InspIRCd* Instance) : ModeHandler(Instance, 'N', 0, 0, false, MODETYPE_CHANNEL, false) { }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, bool)
{
if (adding)
{
if (!channel->IsModeSet('N'))
{
channel->SetMode('N',true);
return MODEACTION_ALLOW;
}
}
else
{
if (channel->IsModeSet('N'))
{
channel->SetMode('N',false);
return MODEACTION_ALLOW;
}
}
return MODEACTION_DENY;
}
};
class ModuleNoNickChange : public Module
{
NoNicks nn;
public:
ModuleNoNickChange(InspIRCd* Me) : Module(Me), nn(Me)
{
ServerInstance->Modes->AddMode(&nn);
Implementation eventlist[] = { I_OnUserPreNick, I_On005Numeric };
ServerInstance->Modules->Attach(eventlist, this, 2);
}
virtual ~ModuleNoNickChange()
{
ServerInstance->Modes->DelMode(&nn);
}
virtual Version GetVersion()
{
return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
}
virtual void On005Numeric(std::string &output)
{
ServerInstance->AddExtBanChar('N');
}
virtual int OnUserPreNick(User* user, const std::string &newnick)
{
if (!IS_LOCAL(user))
return 0;
if (isdigit(newnick[0])) /* don't even think about touching a switch to uid! */
return 0;
// Allow forced nick changes.
if (user->GetExt("NICKForced"))
return 0;
for (UCListIter i = user->chans.begin(); i != user->chans.end(); i++)
{
Channel* curr = i->first;
if (CHANOPS_EXEMPT(ServerInstance, 'N') && curr->GetStatus(user) == STATUS_OP)
continue;
if (curr->IsModeSet('N') || curr->GetExtBanStatus(user, 'N') < 0)
{
user->WriteNumeric(ERR_CANTCHANGENICK, "%s :Can't change nickname while on %s (+N is set)", user->nick.c_str(), curr->name.c_str());
return 1;
}
}
return 0;
}
};
MODULE_INIT(ModuleNoNickChange)
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