From 889d521e05f2e922683d48c74eb00290e7a2f548 Mon Sep 17 00:00:00 2001 From: Sadie Powell Date: Wed, 17 Jul 2024 00:06:50 +0100 Subject: Shuffle the modules about a bit. --- modules/spanningtree/fmode.cpp | 101 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 modules/spanningtree/fmode.cpp (limited to 'modules/spanningtree/fmode.cpp') diff --git a/modules/spanningtree/fmode.cpp b/modules/spanningtree/fmode.cpp new file mode 100644 index 000000000..931a9c7c9 --- /dev/null +++ b/modules/spanningtree/fmode.cpp @@ -0,0 +1,101 @@ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2018, 2020-2022 Sadie Powell + * Copyright (C) 2012-2015 Attila Molnar + * Copyright (C) 2012 Robby + * Copyright (C) 2010 Daniel De Graaf + * Copyright (C) 2008 Robin Burchell + * + * 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 . + */ + + +#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) +{ + // : LMODE [ ]+ + 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; +} -- cgit v1.3.1-10-gc9f91