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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2018 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012-2015 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
* Copyright (C) 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 "commands.h"
/** FMODE command - channel mode change with timestamp checks */
CmdResult CommandFMode::Handle(User* who, Params& params)
{
time_t TS = ServerCommand::ExtractTS(params[1]);
Channel* const chan = ServerInstance->Channels.Find(params[0]);
if (!chan)
// Channel doesn't exist
return CmdResult::FAILURE;
// Extract the TS of the channel in question
time_t ourTS = chan->age;
/* If the TS is greater than ours, we drop the mode and don't pass it anywhere.
*/
if (TS > ourTS)
return CmdResult::FAILURE;
/* TS is equal or less: apply the mode change locally and forward the message
*/
// Turn modes into a Modes::ChangeList; may have more elements than max modes
Modes::ChangeList changelist;
ServerInstance->Modes.ModeParamsToChangeList(who, MODETYPE_CHANNEL, params, changelist, 2);
ModeParser::ModeProcessFlag flags = ModeParser::MODE_LOCALONLY;
if ((TS == ourTS) && IS_SERVER(who))
flags |= ModeParser::MODE_MERGE;
ServerInstance->Modes.Process(who, chan, nullptr, changelist, flags);
return CmdResult::SUCCESS;
}
CmdResult CommandLMode::Handle(User* who, Params& params)
{
// :<sid> LMODE <chan> <chants> <modechr> [<mask> <setts> <setter>]+
time_t chants = ServerCommand::ExtractTS(params[1]);
Channel* const chan = ServerInstance->Channels.Find(params[0]);
if (!chan)
return CmdResult::FAILURE; // Channel doesn't exist.
// If the TS is greater than ours, we drop the mode and don't pass it anywhere.
if (chants > chan->age)
return CmdResult::FAILURE;
ModeHandler* mh = ServerInstance->Modes.FindMode(params[2][0], MODETYPE_CHANNEL);
if (!mh || !mh->IsListMode())
return CmdResult::FAILURE; // Mode doesn't exist or isn't a list mode.
if (params.size() % 3)
return CmdResult::FAILURE; // Invalid parameter count.
Modes::ChangeList changelist;
for (Params::const_iterator iter = params.begin() + 3; iter != params.end(); )
{
// The mode mask (e.g. foo!bar@baz).
const std::string& mask = *iter++;
// Who the mode was set by (e.g. Sadie!sadie@sadie.moe).
const std::string& set_by = *iter++;
// The time at which the mode was set (e.g. 956204400).
time_t set_at = ServerCommand::ExtractTS(*iter++);
changelist.push(mh, true, mask, set_by, set_at);
}
ModeParser::ModeProcessFlag flags = ModeParser::MODE_LOCALONLY;
if (chants == chan->age && IS_SERVER(who))
flags |= ModeParser::MODE_MERGE;
ServerInstance->Modes.Process(who, chan, nullptr, changelist, flags);
return CmdResult::SUCCESS;
}
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