Shuffle the modules about a bit.

1 files changed, 101 insertions, 0 deletions

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 <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) 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;
+}