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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2006-2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
*
* 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 "u_listmode.h"
/* $ModDesc: Provides support for the +e channel mode */
/* $ModDep: ../../include/u_listmode.h */
/* Written by Om<om@inspircd.org>, April 2005. */
/* Rewritten to use the listmode utility by Om, December 2005 */
/* Adapted from m_exception, which was originally based on m_chanprotect and m_silence */
// The +e channel mode takes a nick!ident@host, glob patterns allowed,
// and if a user matches an entry on the +e list then they can join the channel, overriding any (+b) bans set on them
// Now supports CIDR and IP addresses -- Brain
/** Handles +e channel mode
*/
class BanException : public ListModeBase
{
public:
BanException(InspIRCd* Instance) : ListModeBase(Instance, 'e', "End of Channel Exception List", 348, 349, true) { }
};
class ModuleBanException : public Module
{
BanException* be;
public:
ModuleBanException(InspIRCd* Me) : Module(Me)
{
be = new BanException(ServerInstance);
if (!ServerInstance->Modes->AddMode(be))
throw ModuleException("Could not add new modes!");
ServerInstance->Modules->PublishInterface("ChannelBanList", this);
be->DoImplements(this);
Implementation list[] = { I_OnRehash, I_OnRequest, I_On005Numeric, I_OnCheckBan, I_OnCheckExtBan, I_OnCheckStringExtBan };
Me->Modules->Attach(list, this, 6);
}
virtual void On005Numeric(std::string &output)
{
output.append(" EXCEPTS=e");
}
virtual int OnCheckExtBan(User *user, Channel *chan, char type)
{
if (chan != NULL)
{
modelist *list;
chan->GetExt(be->GetInfoKey(), list);
if (!list)
return 0;
std::string mask = std::string(user->nick) + "!" + user->ident + "@" + user->GetIPString();
for (modelist::iterator it = list->begin(); it != list->end(); it++)
{
if (it->mask[0] != type || it->mask[1] != ':')
continue;
std::string maskptr = it->mask.substr(2);
if (InspIRCd::Match(user->GetFullRealHost(), maskptr) || InspIRCd::Match(user->GetFullHost(), maskptr) || (InspIRCd::MatchCIDR(mask, maskptr)))
{
// They match an entry on the list, so let them pass this.
return 1;
}
}
}
return 0;
}
virtual int OnCheckStringExtBan(const std::string &str, Channel *chan, char type)
{
if (chan != NULL)
{
modelist *list;
chan->GetExt(be->GetInfoKey(), list);
if (!list)
return 0;
for (modelist::iterator it = list->begin(); it != list->end(); it++)
{
if (it->mask[0] != type || it->mask[1] != ':')
continue;
std::string maskptr = it->mask.substr(2);
if (InspIRCd::Match(str, maskptr))
// They match an entry on the list, so let them in.
return 1;
}
}
return 0;
}
virtual int OnCheckBan(User* user, Channel* chan)
{
if (chan != NULL)
{
modelist* list;
chan->GetExt(be->GetInfoKey(), list);
if (!list)
{
// No list, proceed normally
return 0;
}
std::string mask = std::string(user->nick) + "!" + user->ident + "@" + user->GetIPString();
for (modelist::iterator it = list->begin(); it != list->end(); it++)
{
if (InspIRCd::Match(user->GetFullRealHost(), it->mask) || InspIRCd::Match(user->GetFullHost(), it->mask) || (InspIRCd::MatchCIDR(mask, it->mask)))
{
// They match an entry on the list, so let them in.
return 1;
}
}
}
return 0;
}
virtual void OnCleanup(int target_type, void* item)
{
be->DoCleanup(target_type, item);
}
virtual void OnSyncChannel(Channel* chan, Module* proto, void* opaque)
{
be->DoSyncChannel(chan, proto, opaque);
}
virtual void OnChannelDelete(Channel* chan)
{
be->DoChannelDelete(chan);
}
virtual void OnRehash(User* user)
{
be->DoRehash();
}
virtual const char* OnRequest(Request* request)
{
return be->DoOnRequest(request);
}
virtual Version GetVersion()
{
return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
}
virtual ~ModuleBanException()
{
ServerInstance->Modes->DelMode(be);
delete be;
ServerInstance->Modules->UnpublishInterface("ChannelBanList", this);
}
};
MODULE_INIT(ModuleBanException)
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