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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2019-2020 Matt Schatz <genius3000@g3k.solutions>
* Copyright (C) 2018 linuxdaemon <linuxdaemon.irc@gmail.com>
* Copyright (C) 2013, 2017-2018, 2020 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012, 2018-2019 Robby <robby@chatbelgie.be>
* Copyright (C) 2012, 2014, 2016 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007-2008 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006 Craig Edwards <brain@inspircd.org>
*
* 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 "xline.h"
#include "modules/stats.h"
namespace
{
bool silent;
}
/** Holds a SVSHold item
*/
class SVSHold : public XLine
{
public:
std::string nickname;
SVSHold(time_t s_time, unsigned long d, const std::string& src, const std::string& re, const std::string& nick)
: XLine(s_time, d, src, re, "SVSHOLD")
{
this->nickname = nick;
}
bool Matches(User* u) CXX11_OVERRIDE
{
if (u->nick == nickname)
return true;
return false;
}
bool Matches(const std::string& s) CXX11_OVERRIDE
{
return InspIRCd::Match(s, nickname);
}
void DisplayExpiry() CXX11_OVERRIDE
{
if (!silent)
{
ServerInstance->SNO->WriteToSnoMask('x', "Removing expired SVSHOLD %s (set by %s %s ago): %s",
nickname.c_str(), source.c_str(), InspIRCd::DurationString(ServerInstance->Time() - set_time).c_str(), reason.c_str());
}
}
const std::string& Displayable() CXX11_OVERRIDE
{
return nickname;
}
};
/** An XLineFactory specialized to generate SVSHOLD pointers
*/
class SVSHoldFactory : public XLineFactory
{
public:
SVSHoldFactory() : XLineFactory("SVSHOLD") { }
/** Generate an SVSHOLD
*/
XLine* Generate(time_t set_time, unsigned long duration, const std::string& source, const std::string& reason, const std::string& xline_specific_mask) CXX11_OVERRIDE
{
return new SVSHold(set_time, duration, source, reason, xline_specific_mask);
}
bool AutoApplyToUserList(XLine* x) CXX11_OVERRIDE
{
return false;
}
};
/** Handle /SVSHold
*/
class CommandSvshold : public Command
{
public:
CommandSvshold(Module* Creator) : Command(Creator, "SVSHOLD", 1)
{
flags_needed = 'o'; this->syntax = "<nick> [<duration> :<reason>]";
}
CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
{
/* syntax: svshold nickname time :reason goes here */
/* 'time' is a human-readable timestring, like 2d3h2s. */
if (!user->server->IsULine())
{
/* don't allow SVSHOLD from non-ulined clients */
return CMD_FAILURE;
}
if (parameters.size() == 1)
{
std::string reason;
if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "SVSHOLD", reason, user))
{
if (!silent)
ServerInstance->SNO->WriteToSnoMask('x', "%s removed SVSHOLD on %s: %s", user->nick.c_str(), parameters[0].c_str(), reason.c_str());
}
else
{
user->WriteNotice("*** SVSHOLD " + parameters[0] + " not found on the list.");
}
}
else
{
if (parameters.size() < 3)
return CMD_FAILURE;
unsigned long duration;
if (!InspIRCd::Duration(parameters[1], duration))
{
user->WriteNotice("*** Invalid duration for SVSHOLD.");
return CMD_FAILURE;
}
SVSHold* r = new SVSHold(ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), parameters[0].c_str());
if (ServerInstance->XLines->AddLine(r, user))
{
if (silent)
return CMD_SUCCESS;
if (!duration)
{
ServerInstance->SNO->WriteToSnoMask('x', "%s added permanent SVSHOLD for %s: %s", user->nick.c_str(), parameters[0].c_str(), parameters[2].c_str());
}
else
{
ServerInstance->SNO->WriteToSnoMask('x', "%s added timed SVSHOLD for %s, expires in %s (on %s): %s",
user->nick.c_str(), parameters[0].c_str(), InspIRCd::DurationString(duration).c_str(),
InspIRCd::TimeString(ServerInstance->Time() + duration).c_str(), parameters[2].c_str());
}
}
else
{
delete r;
return CMD_FAILURE;
}
}
return CMD_SUCCESS;
}
RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
{
return ROUTE_BROADCAST;
}
};
class ModuleSVSHold : public Module, public Stats::EventListener
{
CommandSvshold cmd;
SVSHoldFactory s;
public:
ModuleSVSHold()
: Stats::EventListener(this)
, cmd(this)
{
}
void init() CXX11_OVERRIDE
{
ServerInstance->XLines->RegisterFactory(&s);
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
ConfigTag* tag = ServerInstance->Config->ConfValue("svshold");
silent = tag->getBool("silent", true);
}
ModResult OnStats(Stats::Context& stats) CXX11_OVERRIDE
{
if (stats.GetSymbol() != 'S')
return MOD_RES_PASSTHRU;
ServerInstance->XLines->InvokeStats("SVSHOLD", stats);
return MOD_RES_DENY;
}
ModResult OnUserPreNick(LocalUser* user, const std::string& newnick) CXX11_OVERRIDE
{
XLine *rl = ServerInstance->XLines->MatchesLine("SVSHOLD", newnick);
if (rl)
{
user->WriteNumeric(ERR_ERRONEUSNICKNAME, newnick, InspIRCd::Format("Services reserved nickname: %s", rl->reason.c_str()));
return MOD_RES_DENY;
}
return MOD_RES_PASSTHRU;
}
~ModuleSVSHold()
{
ServerInstance->XLines->DelAll("SVSHOLD");
ServerInstance->XLines->UnregisterFactory(&s);
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Adds the /SVSHOLD command which allows services to reserve nicknames.", VF_COMMON | VF_VENDOR);
}
};
MODULE_INIT(ModuleSVSHold)
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