Shuffle the modules about a bit.

1 files changed, 0 insertions, 710 deletions

diff --git a/src/modules/m_services.cpp b/src/modules/m_services.cpp
deleted file mode 100644
index 4d9c84de4..000000000
--- a/src/modules/m_services.cpp
+++ /dev/null
@@ -1,710 +0,0 @@
-/*
- * InspIRCd -- Internet Relay Chat Daemon
- *
- *   Copyright (C) 2022-2024 Sadie Powell <sadie@witchery.services>
- *
- * 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 "listmode.h"
-#include "modules/account.h"
-#include "modules/ctctags.h"
-#include "modules/server.h"
-#include "modules/stats.h"
-#include "timeutils.h"
-#include "xline.h"
-
-enum
-{
-	// From UnrealIRCd.
-	ERR_KILLDENY = 485,
-
-	// From Charybdis.
-	ERR_MLOCKRESTRICTED = 742,
-
-	// InspIRCd-specific.
-	ERR_TOPICLOCK = 744,
-};
-
-class RegisteredChannel final
-	: public SimpleChannelMode
-{
-public:
-	RegisteredChannel(Module* Creator)
-		: SimpleChannelMode(Creator, "c_registered", 'r')
-	{
-		if (ServerInstance->Config->ConfValue("servicesintegration")->getBool("disablemodes"))
-			DisableAutoRegister();
-	}
-
-	bool OnModeChange(User* source, User* dest, Channel* channel, Modes::Change& change) override
-	{
-		if (IS_LOCAL(source))
-		{
-			source->WriteNumeric(ERR_NOPRIVILEGES, fmt::format("Only a server may modify the +{} channel mode", GetModeChar()));
-			return false;
-		}
-
-		return SimpleChannelMode::OnModeChange(source, dest, channel, change);
-	}
-};
-
-class RegisteredUser final
-	: public SimpleUserMode
-{
-
-public:
-	RegisteredUser(Module* Creator)
-		: SimpleUserMode(Creator, "u_registered", 'r')
-	{
-		if (ServerInstance->Config->ConfValue("servicesintegration")->getBool("disablemodes"))
-			DisableAutoRegister();
-	}
-
-	bool OnModeChange(User* source, User* dest, Channel* channel, Modes::Change& change) override
-	{
-		if (IS_LOCAL(source))
-		{
-			source->WriteNumeric(ERR_NOPRIVILEGES, fmt::format("Only a server may modify the +{} user mode", GetModeChar()));
-			return false;
-		}
-
-		return SimpleUserMode::OnModeChange(source, dest, channel, change);
-	}
-};
-
-class ServiceTag final
-	: public CTCTags::TagProvider
-{
-public:
-	ServiceTag(Module* mod)
-		: CTCTags::TagProvider(mod)
-	{
-	}
-
-	void OnPopulateTags(ClientProtocol::Message& msg) override
-	{
-		const auto* user = msg.GetSourceUser();
-		if (user && user->server->IsService())
-			msg.AddTag("inspircd.org/service", this, "");
-	}
-};
-
-class ServProtect final
-	: public SimpleUserMode
-{
-public:
-	ServProtect(Module* Creator)
-		: SimpleUserMode(Creator, "servprotect", 'k', true)
-	{
-	}
-
-	bool OnModeChange(User* source, User* dest, Channel* channel, Modes::Change& change) override
-	{
-		// As this mode is only intended for use by pseudoclients the only way
-		// to set it is by introducing a user with it.
-		return false;
-	}
-};
-
-class SVSHold final
-	: public XLine
-{
-private:
-	std::string nickname;
-
-public:
-	SVSHold(time_t settime, unsigned long period, const std::string& setter, const std::string& message, const std::string& nick)
-		: XLine(settime, period, setter, message, "SVSHOLD")
-		, nickname(nick)
-	{
-	}
-
-	void Apply(User* u) override
-	{
-		u->WriteNumeric(RPL_SAVENICK, u->nick, fmt::format("Services reserved nickname: {}", reason));
-		u->ChangeNick(u->uuid);
-	}
-
-	const std::string& Displayable() const override
-	{
-		return nickname;
-	}
-
-	void DisplayExpiry() override
-	{
-		// SVSHOLDs do not generate any messages.
-	}
-
-	bool Matches(User* user) const override
-	{
-		return irc::equals(user->nick, nickname);
-	}
-
-	bool Matches(const std::string& text) const override
-	{
-		return irc::equals(text, nickname);
-	}
-};
-
-class SVSHoldFactory final
-	: public XLineFactory
-{
-public:
-	SVSHoldFactory()
-		: XLineFactory("SVSHOLD")
-	{
-	}
-
-	XLine* Generate(time_t settime, unsigned long duration, const std::string& source, const std::string& reason, const std::string& nick) override
-	{
-		return new SVSHold(settime, duration, source, reason, nick);
-	}
-};
-
-class CommandSVSCMode final
-	: public Command
-{
-public:
-	CommandSVSCMode(Module* mod)
-		: Command(mod, "SVSCMODE", 3)
-	{
-		access_needed = CmdAccess::SERVER;
-	}
-
-	CmdResult Handle(User* user, const Params& parameters) override
-	{
-		// The command can only be executed by remote services servers.
-		if (IS_LOCAL(user) || !user->server->IsService())
-			return CmdResult::FAILURE;
-
-		auto* u = ServerInstance->Users.FindUUID(parameters[0]);
-		if (!u)
-			return CmdResult::FAILURE;
-
-		auto* c = ServerInstance->Channels.Find(parameters[1]);
-		if (!c)
-			return CmdResult::FAILURE;
-
-		for (auto mode : parameters[2])
-		{
-			auto* mh = ServerInstance->Modes.FindMode(mode, MODETYPE_CHANNEL);
-			if (!mh || !mh->IsListModeBase())
-				continue; // Not a list mode.
-
-			auto* list = mh->IsListModeBase()->GetList(c);
-			if (!list)
-				continue; // No list modes set.
-
-			Modes::ChangeList changelist;
-			for (const auto& entry : *list)
-			{
-				if (c->CheckBan(u, entry.mask))
-					changelist.push(mh, false, entry.mask);
-			}
-			ServerInstance->Modes.Process(user, c, nullptr, changelist);
-		}
-		return CmdResult::SUCCESS;
-	}
-};
-
-class CommandSVSHold final
-	: public Command
-{
-public:
-	CommandSVSHold(Module* Creator)
-		: Command(Creator, "SVSHOLD")
-	{
-		access_needed = CmdAccess::SERVER;
-	}
-
-	CmdResult Handle(User* user, const Params& parameters) override
-	{
-		// The command can only be executed by remote services servers.
-		if (IS_LOCAL(user) || !user->server->IsService())
-			return CmdResult::FAILURE;
-
-		if (parameters.size() == 1)
-		{
-			// :36DAAAAAA SVSHOLD ChanServ
-			std::string reason;
-			return ServerInstance->XLines->DelLine(parameters[0], "SVSHOLD", reason, user) ? CmdResult::SUCCESS : CmdResult::FAILURE;
-		}
-
-		if (parameters.size() == 3)
-		{
-			/// :36DAAAAAA SVSHOLD NickServ 86400 :Reserved for services
-			/// :36DAAAAAA SVSHOLD NickServ 1d :Reserved for services
-			unsigned long duration;
-			if (!Duration::TryFrom(parameters[1], duration))
-				return CmdResult::FAILURE;
-
-			auto* svshold = new SVSHold(ServerInstance->Time(), duration, user->nick, parameters[2], parameters[0]);
-			return ServerInstance->XLines->AddLine(svshold, user) ? CmdResult::SUCCESS : CmdResult::FAILURE;
-		}
-
-		return CmdResult::FAILURE;
-	}
-
-	RouteDescriptor GetRouting(User* user, const Params& parameters) override
-	{
-		return ROUTE_BROADCAST;
-	}
-};
-
-class CommandSVSJoin final
-	: public Command
-{
-public:
-	CommandSVSJoin(Module* mod)
-		: Command(mod, "SVSJOIN", 2)
-	{
-		access_needed = CmdAccess::SERVER;
-	}
-
-	CmdResult Handle(User* user, const Params& parameters) override
-	{
-		// The command can only be executed by remote services servers.
-		if (IS_LOCAL(user) || !user->server->IsService())
-			return CmdResult::FAILURE;
-
-		// Check for a valid channel name.
-		if (!ServerInstance->Channels.IsChannel(parameters[1]))
-			return CmdResult::FAILURE;
-
-		// Check the target exists/
-		auto* u = ServerInstance->Users.FindUUID(parameters[0]);
-		if (!u)
-			return CmdResult::FAILURE;
-
-		/* only join if it's local, otherwise just pass it on! */
-		auto* lu = IS_LOCAL(u);
-		if (lu)
-		{
-			bool override = false;
-			std::string key;
-			if (parameters.size() >= 3)
-			{
-				key = parameters[2];
-				if (key.empty())
-					override = true;
-			}
-
-			Channel::JoinUser(lu, parameters[1], override, key);
-		}
-
-		return CmdResult::SUCCESS;
-	}
-
-	RouteDescriptor GetRouting(User* user, const Params& parameters) override
-	{
-		return ROUTE_UNICAST(parameters[0]);
-	}
-};
-
-class CommandSVSNick final
-	: public Command
-{
-public:
-	CommandSVSNick(Module* mod)
-		: Command(mod, "SVSNICK", 3)
-	{
-		access_needed = CmdAccess::SERVER;
-	}
-
-	CmdResult Handle(User* user, const Params& parameters) override
-	{
-		// The command can only be executed by remote services servers.
-		if (IS_LOCAL(user) || !user->server->IsService())
-			return CmdResult::FAILURE;
-
-		auto* u = ServerInstance->Users.Find(parameters[0]);
-		if (u && IS_LOCAL(u))
-		{
-			// The 4th parameter is optional and it is the expected nick TS of the target user. If
-			// this parameter is present and it doesn't match the user's nick TS, the SVSNICK is not
-			// acted upon.
-			//
-			// This makes it possible to detect the case when services wants to change the nick of
-			// a user, but the user changes their nick before the SVSNICK arrives, making the
-			// SVSNICK nick change (usually to a guest nick) unnecessary. Consider the following for
-			// example:
-			//
-			// 1. test changes nick to Attila which is protected by services
-			// 2. Services SVSNICKs the user to Guest12345
-			// 3. Attila changes nick to Attila_ which isn't protected by services
-			// 4. SVSNICK arrives
-			// 5. Attila_ gets his nick changed to Guest12345 unnecessarily
-			//
-			// In this case when the SVSNICK is processed the target has already changed their nick
-			// to something which isn't protected, so changing the nick again to a Guest nick is not
-			// desired. However, if the expected nick TS parameter is present in the SVSNICK then
-			// the nick change in step 5 won't happen because the timestamps won't match.
-			if (parameters.size() > 3)
-			{
-				time_t expectedts = ConvToNum<time_t>(parameters[3]);
-				if (!expectedts)
-					return CmdResult::INVALID; // Malformed message
-
-				if (u->nickchanged != expectedts)
-					return CmdResult::FAILURE; // Ignore SVSNICK
-			}
-
-			std::string nick = parameters[1];
-			if (isdigit(nick[0]))
-				nick = u->uuid;
-
-			time_t nickts = ConvToNum<time_t>(parameters[2]);
-			if (!nickts)
-				return CmdResult::INVALID; // Malformed message
-
-			if (!u->ChangeNick(nick, nickts))
-			{
-				// Changing to 'nick' failed (it may already be in use), change to the uuid
-				u->WriteNumeric(RPL_SAVENICK, u->uuid, "Your nickname is in use by an older user on a new server.");
-				u->ChangeNick(u->uuid);
-			}
-		}
-		return CmdResult::SUCCESS;
-	}
-
-	RouteDescriptor GetRouting(User* user, const Params& parameters) override
-	{
-		return ROUTE_UNICAST(parameters[0]);
-	}
-};
-
-class CommandSVSOper final
-	: public Command
-{
-public:
-	CommandSVSOper(Module* Creator)
-		: Command(Creator, "SVSOPER", 2, 2)
-	{
-		access_needed = CmdAccess::SERVER;
-	}
-
-	CmdResult Handle(User* user, const Params& parameters) override
-	{
-		if (!user->server->IsService())
-			return CmdResult::FAILURE;
-
-		auto* target = ServerInstance->Users.FindUUID(parameters[0]);
-		if (!target)
-			return CmdResult::FAILURE;
-
-		if (IS_LOCAL(target))
-		{
-			auto iter = ServerInstance->Config->OperTypes.find(parameters[1]);
-			if (iter == ServerInstance->Config->OperTypes.end())
-				return CmdResult::FAILURE;
-
-			auto automatic = parameters.GetTags().find("~automatic") != parameters.GetTags().end();
-			auto account = std::make_shared<OperAccount>(MODNAME, iter->second, ServerInstance->Config->EmptyTag);
-			target->OperLogin(account, automatic, true);
-		}
-
-		return CmdResult::SUCCESS;
-	}
-
-	RouteDescriptor GetRouting(User* user, const Params& parameters) override
-	{
-		auto* target = ServerInstance->Users.FindUUID(parameters[0]);
-		if (!target)
-			return ROUTE_LOCALONLY;
-		return ROUTE_OPT_UCAST(target->server);
-	}
-};
-
-class CommandSVSPart final
-	: public Command
-{
-public:
-	CommandSVSPart(Module* mod)
-		: Command(mod, "SVSPART", 2)
-	{
-		access_needed = CmdAccess::SERVER;
-	}
-
-	CmdResult Handle(User* user, const Params& parameters) override
-	{
-		// The command can only be executed by remote services servers.
-		if (IS_LOCAL(user) || !user->server->IsService())
-			return CmdResult::FAILURE;
-
-		auto* u = ServerInstance->Users.FindUUID(parameters[0]);
-		if (!u)
-			return CmdResult::FAILURE;
-
-		auto* c = ServerInstance->Channels.Find(parameters[1]);
-		if (!c)
-			return CmdResult::FAILURE;
-
-		if (IS_LOCAL(u))
-			c->PartUser(u, parameters.size() == 3 ? parameters[2] : "Services forced part");
-
-		return CmdResult::SUCCESS;
-	}
-
-	RouteDescriptor GetRouting(User* user, const Params& parameters) override
-	{
-		return ROUTE_UNICAST(parameters[0]);
-	}
-};
-
-class CommandSVSTopic final
-	: public Command
-{
-public:
-	CommandSVSTopic(Module* mod)
-		: Command(mod, "SVSTOPIC", 1, 4)
-	{
-		access_needed = CmdAccess::SERVER;
-		allow_empty_last_param = true;
-	}
-
-	CmdResult Handle(User* user, const Params& parameters) override
-	{
-		// The command can only be executed by remote services servers.
-		if (IS_LOCAL(user) || !user->server->IsService())
-			return CmdResult::FAILURE;
-
-		auto* chan = ServerInstance->Channels.Find(parameters[0]);
-		if (!chan)
-			return CmdResult::FAILURE;
-
-		if (parameters.size() == 4)
-		{
-			// 4 parameter version, set all topic data on the channel to the ones given in the parameters.
-			time_t topicts = ConvToNum<time_t>(parameters[1]);
-			if (!topicts)
-			{
-				ServerInstance->Logs.Debug(MODNAME, "Received SVSTOPIC with a 0 topicts; dropped.");
-				return CmdResult::INVALID;
-			}
-
-			chan->SetTopic(user, parameters[3], topicts, &parameters[2]);
-		}
-		else
-		{
-			// 1 parameter version, nuke the topic
-			chan->SetTopic(user, std::string(), 0);
-			chan->setby.clear();
-		}
-
-		return CmdResult::SUCCESS;
-	}
-
-	RouteDescriptor GetRouting(User* user, const Params& parameters) override
-	{
-		return ROUTE_BROADCAST;
-	}
-};
-
-class ModuleServices final
-	: public Module
-	, public ServerProtocol::RouteEventListener
-	, public Stats::EventListener
-{
-private:
-	Account::API accountapi;
-	RegisteredChannel registeredcmode;
-	RegisteredUser registeredumode;
-	ServiceTag servicetag;
-	ServProtect servprotectmode;
-	SVSHoldFactory svsholdfactory;
-	BoolExtItem auspexext;
-	StringExtItem mlockext;
-	BoolExtItem topiclockext;
-	CommandSVSCMode svscmodecmd;
-	CommandSVSHold svsholdcmd;
-	CommandSVSJoin svsjoincmd;
-	CommandSVSNick svsnickcmd;
-	CommandSVSOper svsopercmd;
-	CommandSVSPart svspartcmd;
-	CommandSVSTopic svstopiccmd;
-	bool accountoverrideshold;
-
-	bool HandleModeLock(User* user, Channel* chan, const Modes::Change& change)
-	{
-		const auto* mlock = mlockext.Get(chan);
-		if (!mlock)
-			return true; // No mode lock.
-
-		if (mlock->find(change.mh->GetModeChar()) == std::string::npos)
-			return true; // Mode is not locked.
-
-		user->WriteNumeric(ERR_MLOCKRESTRICTED, chan->name, change.mh->GetModeChar(), *mlock, fmt::format("Mode cannot be changed as it has been locked {} by services!",
-			chan->IsModeSet(change.mh) ? "on" : "off"));
-		return false;
-	}
-
-	bool HandleProtectedService(User* user, Channel* chan, const Modes::Change& change)
-	{
-		if (change.adding || change.param.empty())
-			return true; // We only care about local users removing prefix modes.
-
-		const auto* pm = change.mh->IsPrefixMode();
-		if (!pm)
-			return true; // Mode is not a prefix mode.
-
-		auto* target = ServerInstance->Users.Find(change.param);
-		if (!target)
-			return true; // Target does not exist.
-
-		Membership* memb = chan->GetUser(target);
-		if (!memb || !memb->HasMode(pm))
-			return true; // Target does not have the mode.
-
-		if (!target->IsModeSet(servprotectmode))
-			return true; // Target is not a protected service.
-
-		user->WriteNumeric(ERR_RESTRICTED, chan->name, fmt::format("You are not permitted to remove privileges from {} services!", ServerInstance->Config->Network));
-		return false;
-	}
-
-public:
-	ModuleServices()
-		: Module(VF_COMMON | VF_VENDOR, "Provides support for integrating with a services server.")
-		, ServerProtocol::RouteEventListener(this)
-		, Stats::EventListener(this)
-		, accountapi(this)
-		, registeredcmode(this)
-		, registeredumode(this)
-		, servicetag(this)
-		, servprotectmode(this)
-		, auspexext(this, "auspex", ExtensionType::CHANNEL, true)
-		, mlockext(this, "mlock", ExtensionType::CHANNEL, true)
-		, topiclockext(this, "topiclock", ExtensionType::CHANNEL, true)
-		, svscmodecmd(this)
-		, svsholdcmd(this)
-		, svsjoincmd(this)
-		, svsnickcmd(this)
-		, svsopercmd(this)
-		, svspartcmd(this)
-		, svstopiccmd(this)
-	{
-	}
-
-	~ModuleServices() override
-	{
-		ServerInstance->XLines->DelAll("SVSHOLD");
-		ServerInstance->XLines->UnregisterFactory(&svsholdfactory);
-	}
-
-	void init() override
-	{
-		ServerInstance->XLines->RegisterFactory(&svsholdfactory);
-	}
-
-	void ReadConfig(ConfigStatus& status) override
-	{
-		const auto& tag = ServerInstance->Config->ConfValue("servicesintegration");
-		accountoverrideshold = tag->getBool("accountoverrideshold");
-	}
-
-	ModResult OnRouteMessage(const Channel* channel, const Server* server) override
-	{
-		if (!server->IsService() || !auspexext.Get(channel))
-			return MOD_RES_PASSTHRU;
-
-		// Allow services to see messages in this channel even if not guarded.
-		return MOD_RES_ALLOW;
-	}
-
-	ModResult OnKill(User* source, User* dest, const std::string& reason) override
-	{
-		if (!source)
-			return MOD_RES_PASSTHRU;
-
-		if (dest->IsModeSet(servprotectmode))
-		{
-			source->WriteNumeric(ERR_KILLDENY, fmt::format("You are not permitted to kill {} services!", ServerInstance->Config->Network));
-			return MOD_RES_DENY;
-		}
-		return MOD_RES_PASSTHRU;
-	}
-
-	ModResult OnPreTopicChange(User* user, Channel* chan, const std::string& topic) override
-	{
-		if (!IS_LOCAL(user) || !topiclockext.Get(chan))
-			return MOD_RES_PASSTHRU; // Remote user or no topiclock.
-
-		user->WriteNumeric(ERR_TOPICLOCK, chan->name, "Topic cannot be changed as it has been locked by services!");
-		return MOD_RES_DENY;
-	}
-
-	ModResult OnRawMode(User* user, Channel* chan, const Modes::Change& change) override
-	{
-		if (!IS_LOCAL(user) || !chan)
-			return MOD_RES_PASSTHRU; // Not our job to handle.
-
-		if (!HandleProtectedService(user, chan, change))
-			return MOD_RES_DENY;
-
-		if (!HandleModeLock(user, chan, change))
-			return MOD_RES_DENY;
-
-		return MOD_RES_PASSTHRU;
-	}
-
-	ModResult OnStats(Stats::Context& stats) override
-	{
-		if (stats.GetSymbol() != 'S')
-			return MOD_RES_PASSTHRU;
-
-		ServerInstance->XLines->InvokeStats("SVSHOLD", stats);
-		return MOD_RES_DENY;
-	}
-
-	ModResult OnUserPreKick(User* source, Membership* memb, const std::string& reason) override
-	{
-		if (memb->user->IsModeSet(servprotectmode))
-		{
-			source->WriteNumeric(ERR_RESTRICTED, memb->chan->name, fmt::format("You are not permitted to kick {} services!", ServerInstance->Config->Network));
-			return MOD_RES_DENY;
-		}
-		return MOD_RES_PASSTHRU;
-	}
-
-	ModResult OnUserPreNick(LocalUser* user, const std::string& newnick) override
-	{
-		auto* svshold = ServerInstance->XLines->MatchesLine("SVSHOLD", newnick);
-		if (!svshold)
-			return MOD_RES_PASSTHRU;
-
-		if (accountoverrideshold && accountapi)
-		{
-			Account::NickList* nicks = accountapi->GetAccountNicks(user);
-			if (nicks && nicks->find(svshold->Displayable()) != nicks->end())
-			{
-				std::string reason;
-				ServerInstance->XLines->DelLine(svshold, reason, user);
-				return MOD_RES_PASSTHRU;
-			}
-		}
-
-		user->WriteNumeric(ERR_ERRONEUSNICKNAME, newnick, fmt::format("Services reserved nickname: {}", svshold->reason));
-		return MOD_RES_DENY;
-	}
-
-	void OnUserPostNick(User* user, const std::string& oldnick) override
-	{
-		if (user->IsModeSet(registeredumode) && !irc::equals(oldnick, user->nick))
-			registeredumode.RemoveMode(user);
-	}
-};
-
-MODULE_INIT(ModuleServices)