Shuffle the modules about a bit.

1 files changed, 179 insertions, 0 deletions

diff --git a/modules/nicklock.cpp b/modules/nicklock.cpp
new file mode 100644
index 000000000..8b36e449d
--- /dev/null
+++ b/modules/nicklock.cpp
@@ -0,0 +1,179 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2013, 2017, 2019-2023 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012, 2014-2016 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2009 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2006, 2008 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 "extension.h"
+#include "numerichelper.h"
+
+enum
+{
+	// InspIRCd-specific.
+	ERR_NICKNOTLOCKED = 946,
+	RPL_NICKLOCKON = 947,
+	RPL_NICKLOCKOFF = 945
+};
+
+class CommandNicklock final
+	: public Command
+{
+public:
+	BoolExtItem& locked;
+	CommandNicklock (Module* Creator, BoolExtItem& ext)
+		: Command(Creator, "NICKLOCK", 2)
+		, locked(ext)
+	{
+		access_needed = CmdAccess::OPERATOR;
+		syntax = { "<nick> <newnick>" };
+		translation = { TR_NICK, TR_TEXT };
+	}
+
+	CmdResult Handle(User* user, const Params& parameters) override
+	{
+		auto* target = ServerInstance->Users.Find(parameters[0], true);
+		if (!target)
+		{
+			user->WriteNumeric(Numerics::NoSuchNick(parameters[0]));
+			return CmdResult::FAILURE;
+		}
+
+		/* Do local sanity checks and bails */
+		if (IS_LOCAL(user))
+		{
+			if (!ServerInstance->IsNick(parameters[1]))
+			{
+				user->WriteNotice("*** Invalid nickname '" + parameters[1] + "'");
+				return CmdResult::FAILURE;
+			}
+
+			user->WriteNumeric(RPL_NICKLOCKON, parameters[1], "Nickname now locked.");
+		}
+
+		/* If we made it this far, extend the user */
+		if (IS_LOCAL(target))
+		{
+			locked.Set(target);
+
+			std::string oldnick = target->nick;
+			if (target->ChangeNick(parameters[1]))
+				ServerInstance->SNO.WriteGlobalSno('a', user->nick+" used NICKLOCK to change and hold "+oldnick+" to "+parameters[1]);
+			else
+			{
+				std::string newnick = target->nick;
+				ServerInstance->SNO.WriteGlobalSno('a', user->nick+" used NICKLOCK, but "+oldnick+" failed nick change to "+parameters[1]+" and was locked to "+newnick+" instead");
+			}
+		}
+
+		return CmdResult::SUCCESS;
+	}
+
+	RouteDescriptor GetRouting(User* user, const Params& parameters) override
+	{
+		return ROUTE_OPT_UCAST(parameters[0]);
+	}
+};
+
+class CommandNickunlock final
+	: public Command
+{
+public:
+	BoolExtItem& locked;
+	CommandNickunlock (Module* Creator, BoolExtItem& ext)
+		: Command(Creator, "NICKUNLOCK", 1)
+		, locked(ext)
+	{
+		access_needed = CmdAccess::OPERATOR;
+		syntax = { "<nick>" };
+		translation = { TR_NICK };
+	}
+
+	CmdResult Handle(User* user, const Params& parameters) override
+	{
+		auto* target = ServerInstance->Users.Find(parameters[0]);
+
+		if (!target)
+		{
+			user->WriteNumeric(Numerics::NoSuchNick(parameters[0]));
+			return CmdResult::FAILURE;
+		}
+
+		if (IS_LOCAL(target))
+		{
+			if (locked.Get(target))
+			{
+				locked.Unset(target);
+				ServerInstance->SNO.WriteGlobalSno('a', user->nick+" used NICKUNLOCK on "+target->nick);
+				user->WriteRemoteNumeric(RPL_NICKLOCKOFF, target->nick, "Nickname now unlocked.");
+			}
+			else
+			{
+				user->WriteRemoteNumeric(ERR_NICKNOTLOCKED, target->nick, "This user's nickname is not locked.");
+				return CmdResult::FAILURE;
+			}
+		}
+
+		return CmdResult::SUCCESS;
+	}
+
+	RouteDescriptor GetRouting(User* user, const Params& parameters) override
+	{
+		return ROUTE_OPT_UCAST(parameters[0]);
+	}
+};
+
+class ModuleNickLock final
+	: public Module
+{
+private:
+	BoolExtItem locked;
+	CommandNicklock cmd1;
+	CommandNickunlock cmd2;
+
+public:
+	ModuleNickLock()
+		: Module(VF_VENDOR | VF_OPTCOMMON, "Adds the /NICKLOCK command which allows server operators to change a user's nickname and prevent them from changing it again until they disconnect.")
+		, locked(this, "nick-locked", ExtensionType::USER)
+		, cmd1(this, locked)
+		, cmd2(this, locked)
+	{
+	}
+
+	ModResult OnUserPreNick(LocalUser* user, const std::string& newnick) override
+	{
+		if (locked.Get(user))
+		{
+			user->WriteNumeric(ERR_CANTCHANGENICK, "You cannot change your nickname (your nick is locked)");
+			return MOD_RES_DENY;
+		}
+		return MOD_RES_PASSTHRU;
+	}
+
+	void Prioritize() override
+	{
+		Module* nflood = ServerInstance->Modules.Find("nickflood");
+		ServerInstance->Modules.SetPriority(this, I_OnUserPreNick, PRIORITY_BEFORE, nflood);
+	}
+};
+
+MODULE_INIT(ModuleNickLock)