Shuffle the modules about a bit.

1 files changed, 207 insertions, 0 deletions

diff --git a/modules/namedmodes.cpp b/modules/namedmodes.cpp
new file mode 100644
index 000000000..31a82a1c4
--- /dev/null
+++ b/modules/namedmodes.cpp
@@ -0,0 +1,207 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2021 Herman <GermanAizek@yandex.ru>
+ *   Copyright (C) 2018-2023 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2017 B00mX0r <b00mx0r@aureus.pw>
+ *   Copyright (C) 2013-2016 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@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 "numericbuilder.h"
+#include "numerichelper.h"
+
+enum
+{
+	// InspIRCd-specific.
+	RPL_ENDOFPROPLIST = 960,
+	RPL_PROPLIST = 961
+};
+
+static void DisplayList(LocalUser* user, Channel* channel)
+{
+	Numeric::ParamBuilder<1> numeric(user, RPL_PROPLIST);
+	numeric.AddStatic(channel->name);
+
+	for (const auto& [_, mh] : ServerInstance->Modes.GetModes(MODETYPE_CHANNEL))
+	{
+		if (!channel->IsModeSet(mh))
+			continue;
+
+		numeric.Add("+" + mh->name);
+		ParamModeBase* pm = mh->IsParameterMode();
+		if (pm)
+		{
+			if ((pm->IsParameterSecret()) && (!channel->HasUser(user)) && (!user->HasPrivPermission("channels/auspex")))
+				numeric.Add("<" + mh->name + ">");
+			else
+				numeric.Add(channel->GetModeParameter(mh));
+		}
+	}
+	numeric.Flush();
+	user->WriteNumeric(RPL_ENDOFPROPLIST, channel->name, "End of mode list");
+}
+
+class CommandProp final
+	: public SplitCommand
+{
+public:
+	CommandProp(Module* parent)
+		: SplitCommand(parent, "PROP", 1)
+	{
+		syntax = { "<channel> [[(+|-)]<mode> [<value>]]" };
+	}
+
+	CmdResult HandleLocal(LocalUser* src, const Params& parameters) override
+	{
+		Channel* const chan = ServerInstance->Channels.Find(parameters[0]);
+		if (!chan)
+		{
+			src->WriteNumeric(Numerics::NoSuchChannel(parameters[0]));
+			return CmdResult::FAILURE;
+		}
+
+		if (parameters.size() == 1)
+		{
+			DisplayList(src, chan);
+			return CmdResult::SUCCESS;
+		}
+		unsigned int i = 1;
+		Modes::ChangeList modes;
+		while (i < parameters.size())
+		{
+			std::string prop = parameters[i++];
+			if (prop.empty())
+				continue;
+			bool plus = prop[0] != '-';
+			if (prop[0] == '+' || prop[0] == '-')
+				prop.erase(prop.begin());
+
+			ModeHandler* mh = ServerInstance->Modes.FindMode(prop, MODETYPE_CHANNEL);
+			if (mh)
+			{
+				if (mh->NeedsParam(plus))
+				{
+					if (i != parameters.size())
+						modes.push(mh, plus, parameters[i++]);
+				}
+				else
+					modes.push(mh, plus);
+			}
+		}
+		ServerInstance->Modes.ProcessSingle(src, chan, nullptr, modes, ModeParser::MODE_CHECKACCESS);
+		return CmdResult::SUCCESS;
+	}
+};
+
+class DummyZ final
+	: public ModeHandler
+{
+public:
+	DummyZ(Module* parent)
+		: ModeHandler(parent, "namebase", 'Z', PARAM_ALWAYS, MODETYPE_CHANNEL)
+	{
+		list = true;
+	}
+
+	// Handle /MODE #chan Z
+	void DisplayList(User* user, Channel* chan) override
+	{
+		LocalUser* luser = IS_LOCAL(user);
+		if (luser)
+			::DisplayList(luser, chan);
+	}
+};
+
+class ModuleNamedModes final
+	: public Module
+{
+private:
+	CommandProp cmd;
+	DummyZ dummyZ;
+
+public:
+	ModuleNamedModes()
+		: Module(VF_VENDOR, "Provides support for adding and removing modes via their long names.")
+		, cmd(this)
+		, dummyZ(this)
+	{
+	}
+
+	void Prioritize() override
+	{
+		ServerInstance->Modules.SetPriority(this, I_OnPreMode, PRIORITY_FIRST);
+	}
+
+	ModResult OnPreMode(User* source, User* dest, Channel* channel, Modes::ChangeList& modes) override
+	{
+		if (!channel)
+			return MOD_RES_PASSTHRU;
+
+		Modes::ChangeList::List& list = modes.getlist();
+		for (Modes::ChangeList::List::iterator i = list.begin(); i != list.end(); )
+		{
+			Modes::Change& curr = *i;
+			// Replace all namebase (dummyZ) modes being changed with the actual
+			// mode handler and parameter. The parameter format of the namebase mode is
+			// <modename>[=<parameter>].
+			if (curr.mh == &dummyZ)
+			{
+				std::string name = curr.param;
+				std::string value;
+				std::string::size_type eq = name.find('=');
+				if (eq != std::string::npos)
+				{
+					value.assign(name, eq + 1, std::string::npos);
+					name.erase(eq);
+				}
+
+				ModeHandler* mh = ServerInstance->Modes.FindMode(name, MODETYPE_CHANNEL);
+				if (!mh)
+				{
+					// Mode handler not found
+					i = list.erase(i);
+					continue;
+				}
+
+				curr.param.clear();
+				if (mh->NeedsParam(curr.adding))
+				{
+					if (value.empty())
+					{
+						// Mode needs a parameter but there wasn't one
+						i = list.erase(i);
+						continue;
+					}
+
+					// Change parameter to the text after the '='
+					curr.param = std::move(value);
+				}
+
+				// Put the actual ModeHandler in place of the namebase handler
+				curr.mh = mh;
+			}
+
+			++i;
+		}
+
+		return MOD_RES_PASSTHRU;
+	}
+};
+
+MODULE_INIT(ModuleNamedModes)