/* ircd-hybrid protocol module. Minimum supported version of ircd-hybrid is 8.2.23.
  *
  * (C) 2003-2022 Anope Team <team@anope.org>
  * (C) 2012-2022 ircd-hybrid development team
  *
  * Please read COPYING and README for further details.
  *
  * Based on the original code of Epona by Lara.
  * Based on the original code of Services by Andy Church.
  */
 
 #include "module.h"
 #include "modules/cs_mode.h"
 
 static Anope::string UplinkSID;
 static bool UseSVSAccount = false;  // Temporary backwards compatibility hack until old proto is deprecated
 
 class HybridProto : public IRCDProto
 {
 	void SendSVSKillInternal(const MessageSource &source, User *u, const Anope::string &buf) anope_override
 	{
 		IRCDProto::SendSVSKillInternal(source, u, buf);
 		u->KillInternal(source, buf);
 	}
 
  public:
 	HybridProto(Module *creator) : IRCDProto(creator, "ircd-hybrid 8.2.23+")
 	{
 		DefaultPseudoclientModes = "+oi";
 		CanSVSNick = true;
 		CanSVSHold = true;
 		CanSVSJoin = true;
 		CanSNLine = true;
 		CanSQLine = true;
 		CanSQLineChannel = true;
 		CanSZLine = true;
 		CanCertFP = true;
 		CanSetVHost = true;
 		RequiresID = true;
 		MaxModes = 6;
 	}
 
 	void SendInvite(const MessageSource &source, const Channel *c, User *u) anope_override
 	{
 		UplinkSocket::Message(source) << "INVITE " << u->GetUID() << " " << c->name << " " << c->creation_time;
 	}
 
 	void SendGlobalNotice(BotInfo *bi, const Server *dest, const Anope::string &msg) anope_override
 	{
 		UplinkSocket::Message(bi) << "NOTICE $$" << dest->GetName() << " :" << msg;
 	}
 
 	void SendGlobalPrivmsg(BotInfo *bi, const Server *dest, const Anope::string &msg) anope_override
 	{
 		UplinkSocket::Message(bi) << "PRIVMSG $$" << dest->GetName() << " :" << msg;
 	}
 
 	void SendSQLine(User *, const XLine *x) anope_override
 	{
 		UplinkSocket::Message(Me) << "RESV * " << (x->expires ? x->expires - Anope::CurTime : 0) << " " << x->mask << " :" << x->reason;
 	}
 
 	void SendSGLineDel(const XLine *x) anope_override
 	{
 		UplinkSocket::Message(Me) << "UNXLINE * " << x->mask;
 	}
 
 	void SendSGLine(User *, const XLine *x) anope_override
 	{
 		UplinkSocket::Message(Me) << "XLINE * " << x->mask << " " << (x->expires ? x->expires - Anope::CurTime : 0) << " :" << x->GetReason();
 	}
 
 	void SendSZLineDel(const XLine *x) anope_override
 	{
 		UplinkSocket::Message(Me) << "UNDLINE * " << x->GetHost();
 	}
 
 	void SendSZLine(User *, const XLine *x) anope_override
 	{
 		/* Calculate the time left before this would expire, capping it at 2 days */
 		time_t timeleft = x->expires - Anope::CurTime;
 
 		if (timeleft > 172800 || !x->expires)
 			timeleft = 172800;
 
 		UplinkSocket::Message(Me) << "DLINE * " << timeleft << " " << x->GetHost() << " :" << x->GetReason();
 	}
 
 	void SendAkillDel(const XLine *x) anope_override
 	{
 		if (x->IsRegex() || x->HasNickOrReal())
 			return;
 
 		UplinkSocket::Message(Me) << "UNKLINE * " << x->GetUser() << " " << x->GetHost();
 	}
 
 	void SendSQLineDel(const XLine *x) anope_override
 	{
 		UplinkSocket::Message(Me) << "UNRESV * " << x->mask;
 	}
 
 	void SendJoin(User *u, Channel *c, const ChannelStatus *status) anope_override
 	{
 		UplinkSocket::Message(Me) << "SJOIN " << c->creation_time << " " << c->name << " +" << c->GetModes(true, true) << " :" << u->GetUID();
 
 		/*
 		 * Note that we can send this with the SJOIN but choose not to
 		 * because the mode stacker will handle this and probably will
 		 * merge these modes with +nrt and other mlocked modes.
 		 */
 		if (status)
 		{
 			/* First save the channel status in case uc->status == status */
 			ChannelStatus cs = *status;
 
 			/*
 			 * If the user is internally on the channel with flags, kill them so that
 			 * the stacker will allow this.
 			 */
 			ChanUserContainer *uc = c->FindUser(u);
 			if (uc)
 				uc->status.Clear();
 
 			BotInfo *setter = BotInfo::Find(u->GetUID());
 			for (size_t i = 0; i < cs.Modes().length(); ++i)
 				c->SetMode(setter, ModeManager::FindChannelModeByChar(cs.Modes()[i]), u->GetUID(), false);
 
 			if (uc)
 				uc->status = cs;
 		}
 	}
 
 	void SendAkill(User *u, XLine *x) anope_override
 	{
 		if (x->IsRegex() || x->HasNickOrReal())
 		{
 			if (!u)
 			{
 				/*
 				 * No user (this akill was just added), and contains nick and/or realname.
 				 * Find users that match and ban them.
 				 */
 				for (user_map::const_iterator it = UserListByNick.begin(); it != UserListByNick.end(); ++it)
 					if (x->manager->Check(it->second, x))
 						this->SendAkill(it->second, x);
 
 				return;
 			}
 
 			const XLine *old = x;
 
 			if (old->manager->HasEntry("*@" + u->host))
 				return;
 
 			/* We can't akill x as it has a nick and/or realname included, so create a new akill for *@host */
 			XLine *xline = new XLine("*@" + u->host, old->by, old->expires, old->reason, old->id);
 
 			old->manager->AddXLine(xline);
 			x = xline;
 
 			Log(Config->GetClient("OperServ"), "akill") << "AKILL: Added an akill for " << x->mask << " because " << u->GetMask() << "#"
 					<< u->realname << " matches " << old->mask;
 		}
 
 		/* Calculate the time left before this would expire, capping it at 2 days */
 		time_t timeleft = x->expires - Anope::CurTime;
 
 		if (timeleft > 172800 || !x->expires)
 			timeleft = 172800;
 
 		UplinkSocket::Message(Me) << "KLINE * " << timeleft << " " << x->GetUser() << " " << x->GetHost() << " :" << x->GetReason();
 	}
 
 	void SendServer(const Server *server) anope_override
 	{
 		if (server == Me)
 			UplinkSocket::Message() << "SERVER " << server->GetName() << " " << server->GetHops() + 1 << " " << server->GetSID() << " +" << " :" << server->GetDescription();
 		else
 			UplinkSocket::Message(Me) << "SID " << server->GetName() << " " << server->GetHops() + 1 << " " << server->GetSID() << " +" << " :" << server->GetDescription();
 	}
 
 	void SendConnect() anope_override
 	{
 		UplinkSocket::Message() << "PASS " << Config->Uplinks[Anope::CurrentUplink].password;
 
 		/*
 		 * TBURST - Supports topic burst
 		 * ENCAP  - Supports ENCAP
 		 * EOB    - Supports End Of Burst message
 		 * RHOST  - Supports UID message with realhost information
 		 * MLOCK  - Supports MLOCK
 		 */
 		UplinkSocket::Message() << "CAPAB :ENCAP TBURST EOB RHOST MLOCK";
 
 		SendServer(Me);
 
 		UplinkSocket::Message(Me) << "SVINFO 6 6 0 :" << Anope::CurTime;
 	}
 
 	void SendClientIntroduction(User *u) anope_override
 	{
 		Anope::string modes = "+" + u->GetModes();
 
 		UplinkSocket::Message(Me) << "UID " << u->nick << " 1 " << u->timestamp << " " << modes << " " << u->GetIdent() << " "
 						<< u->host << " " << u->host << " 0.0.0.0 " << u->GetUID() << " * :" << u->realname;
 	}
 
 	void SendEOB() anope_override
 	{
 		UplinkSocket::Message(Me) << "EOB";
 	}
 
 	void SendModeInternal(const MessageSource &source, User *u, const Anope::string &buf) anope_override
 	{
 		UplinkSocket::Message(source) << "SVSMODE " << u->GetUID() << " " << u->timestamp << " " << buf;
 	}
 
 	void SendLogin(User *u, NickAlias *na) anope_override
 	{
 		if (UseSVSAccount == false)
 			IRCD->SendMode(Config->GetClient("NickServ"), u, "+d %s", na->nc->display.c_str());
 		else
 			UplinkSocket::Message(Me) << "SVSACCOUNT " << u->GetUID() << " " << u->timestamp << " " << na->nc->display;
 	}
 
 	void SendLogout(User *u) anope_override
 	{
 		if (UseSVSAccount == false)
 			IRCD->SendMode(Config->GetClient("NickServ"), u, "+d *");
 		else
 			UplinkSocket::Message(Me) << "SVSACCOUNT " << u->GetUID() << " " << u->timestamp << " *";
 	}
 
 	void SendChannel(Channel *c) anope_override
 	{
 		Anope::string modes = "+" + c->GetModes(true, true);
 		UplinkSocket::Message(Me) << "SJOIN " << c->creation_time << " " << c->name << " " << modes << " :";
 	}
 
 	void SendTopic(const MessageSource &source, Channel *c) anope_override
 	{
 		UplinkSocket::Message(source) << "TBURST " << c->creation_time << " " << c->name << " " << c->topic_ts << " " << c->topic_setter << " :" << c->topic;
 	}
 
 	void SendForceNickChange(User *u, const Anope::string &newnick, time_t when) anope_override
 	{
 		UplinkSocket::Message(Me) << "SVSNICK " << u->GetUID() << " " << u->timestamp << " " << newnick << " " << when;
 	}
 
 	void SendSVSJoin(const MessageSource &source, User *u, const Anope::string &chan, const Anope::string &) anope_override
 	{
 		UplinkSocket::Message(source) << "SVSJOIN " << u->GetUID() << " " << chan;
 	}
 
 	void SendSVSPart(const MessageSource &source, User *u, const Anope::string &chan, const Anope::string &param) anope_override
 	{
 		if (!param.empty())
 			UplinkSocket::Message(source) << "SVSPART " << u->GetUID() << " " << chan << " :" << param;
 		else
 			UplinkSocket::Message(source) << "SVSPART " << u->GetUID() << " " << chan;
 	}
 
 	void SendSVSHold(const Anope::string &nick, time_t t) anope_override
 	{
 		XLine x(nick, Me->GetName(), Anope::CurTime + t, "Being held for registered user");
 		this->SendSQLine(NULL, &x);
 	}
 
 	void SendSVSHoldDel(const Anope::string &nick) anope_override
 	{
 		XLine x(nick);
 		this->SendSQLineDel(&x);
 	}
 
 	void SendVhost(User *u, const Anope::string &ident, const Anope::string &host) anope_override
 	{
 		UplinkSocket::Message(Me) << "SVSHOST " << u->GetUID() << " " << u->timestamp << " " << host;
 	}
 
 	void SendVhostDel(User *u) anope_override
 	{
 		UplinkSocket::Message(Me) << "SVSHOST " << u->GetUID() << " " << u->timestamp << " " << u->host;
 	}
 
 	bool IsExtbanValid(const Anope::string &mask) anope_override
 	{
 		return mask.length() >= 4 && mask[0] == '$' && mask[2] == ':';
 	}
 
 	bool IsIdentValid(const Anope::string &ident) anope_override
 	{
 		if (ident.empty() || ident.length() > Config->GetBlock("networkinfo")->Get<unsigned>("userlen"))
 			return false;
 
 		/*
 		 * If the user name begins with a tilde (~), make sure there is at least
 		 * one succeeding character.
 		 */
 		unsigned i = ident[0] == '~';
 		if (i >= ident.length())
 			return false;
 
 		/* User names may not start with a '-', '_', or '.'. */
 		const char &a = ident[i];
 		if (a == '-' || a == '_' || a == '.')
 			return false;
 
 		for (i = 0; i < ident.length(); ++i)
 		{
 			const char &c = ident[i];
 
 			/* A tilde can only be used as the first character of a user name. */
 			if (c == '~' && i == 0)
 				continue;
 
 			if ((c >= 'A' && c <= 'Z') ||
 				(c >= 'a' && c <= 'z') ||
 				(c >= '0' && c <= '9') || c == '-' || c == '_' || c == '.')
 				continue;
 
 			return false;
 		}
 
 		return true;
 	}
 };
 
 struct IRCDMessageBMask : IRCDMessage
 {
 	IRCDMessageBMask(Module *creator) : IRCDMessage(creator, "BMASK", 4) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); }
 
 	/*            0          1        2 3               */
 	/* :0MC BMASK 1350157102 #channel b :*!*@*.test.com */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		Channel *c = Channel::Find(params[1]);
 		ChannelMode *mode = ModeManager::FindChannelModeByChar(params[2][0]);
 
 		if (c && mode)
 		{
 			spacesepstream bans(params[3]);
 			Anope::string token;
 
 			while (bans.GetToken(token))
 				c->SetModeInternal(source, mode, token);
 		}
 	}
 };
 
 struct IRCDMessageCapab : Message::Capab
 {
 	IRCDMessageCapab(Module *creator) : Message::Capab(creator, "CAPAB") { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
 
 	/*       0                 */
 	/* CAPAB :TBURST EOB MLOCK */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		spacesepstream sep(params[0]);
 		Anope::string capab;
 
 		while (sep.GetToken(capab))
 		{
 			if (capab.find("HOP") != Anope::string::npos || capab.find("RHOST") != Anope::string::npos)
 				ModeManager::AddChannelMode(new ChannelModeStatus("HALFOP", 'h', '%', 1));
 			if (capab.find("AOP") != Anope::string::npos)
 				ModeManager::AddChannelMode(new ChannelModeStatus("PROTECT", 'a', '&', 3));
 			if (capab.find("QOP") != Anope::string::npos)
 				ModeManager::AddChannelMode(new ChannelModeStatus("OWNER", 'q', '~', 4));
 		}
 
 		Message::Capab::Run(source, params);
 	}
 };
 
 struct IRCDMessageCertFP: IRCDMessage
 {
 	IRCDMessageCertFP(Module *creator) : IRCDMessage(creator, "CERTFP", 1) { SetFlag(IRCDMESSAGE_REQUIRE_USER); }
 
 	/*                   0                                                                */
 	/* :0MCAAAAAB CERTFP 4C62287BA6776A89CD4F8FF10A62FFB35E79319F51AF6C62C674984974FCCB1D */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		User *u = source.GetUser();
 
 		u->fingerprint = params[0];
 		FOREACH_MOD(OnFingerprint, (u));
 	}
 };
 
 struct IRCDMessageEOB : IRCDMessage
 {
 	IRCDMessageEOB(Module *creator) : IRCDMessage(creator, "EOB", 0) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); }
 
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		source.GetServer()->Sync(true);
 	}
 };
 
 struct IRCDMessageJoin : Message::Join
 {
 	IRCDMessageJoin(Module *creator) : Message::Join(creator, "JOIN") { }
 
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		if (params.size() < 2)
 			return;
 
 		std::vector<Anope::string> p = params;
 		p.erase(p.begin());
 
 		Message::Join::Run(source, p);
 	}
 };
 
 struct IRCDMessageMetadata : IRCDMessage
 {
 	IRCDMessageMetadata(Module *creator) : IRCDMessage(creator, "METADATA", 3) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); }
 
 	/*               0      1         2      3                                                                 */
 	/* :0MC METADATA client 0MCAAAAAB certfp :4C62287BA6776A89CD4F8FF10A62FFB35E79319F51AF6C62C674984974FCCB1D */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		if (params[0].equals_cs("client"))
 		{
 			User *u = User::Find(params[1]);
 			if (!u)
 			{
 				Log(LOG_DEBUG) << "METADATA for nonexistent user " << params[1];
 				return;
 			}
 
 			if (params[2].equals_cs("certfp"))
 			{
 				u->fingerprint = params[3];
 				FOREACH_MOD(OnFingerprint, (u));
 			}
 		}
 	}
 };
 
 struct IRCDMessageMLock : IRCDMessage
 {
 	IRCDMessageMLock(Module *creator) : IRCDMessage(creator, "MLOCK", 4) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); }
 
 	/*            0          1        2          3   */
 	/* :0MC MLOCK 1350157102 #channel 1350158923 :nt */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		Channel *c = Channel::Find(params[1]);
 
 		if (c && c->ci)
 		{
 			ModeLocks *modelocks = c->ci->GetExt<ModeLocks>("modelocks");
 			Anope::string modes;
 
 			if (modelocks)
 				modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "");
 
 			// Mode lock string is not what we say it is?
 			if (modes != params[3])
 				UplinkSocket::Message(Me) << "MLOCK " << c->creation_time << " " << c->name << " " << Anope::CurTime << " :" << modes;
 		}
 	}
 };
 
 struct IRCDMessageNick : IRCDMessage
 {
 	IRCDMessageNick(Module *creator) : IRCDMessage(creator, "NICK", 2) { SetFlag(IRCDMESSAGE_REQUIRE_USER); }
 
 	/*                 0       1          */
 	/* :0MCAAAAAB NICK newnick 1350157102 */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		source.GetUser()->ChangeNick(params[0], convertTo<time_t>(params[1]));
 	}
 };
 
 struct IRCDMessagePass : IRCDMessage
 {
 	IRCDMessagePass(Module *creator) : IRCDMessage(creator, "PASS", 1) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
 
 	/*      0        */
 	/* PASS password */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		if (params.size() == 4)
 			UplinkSID = params[3];
 	}
 };
 
 struct IRCDMessagePong : IRCDMessage
 {
 	IRCDMessagePong(Module *creator) : IRCDMessage(creator, "PONG", 0) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
 
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		source.GetServer()->Sync(false);
 	}
 };
 
 struct IRCDMessageServer : IRCDMessage
 {
 	IRCDMessageServer(Module *creator) : IRCDMessage(creator, "SERVER", 3) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
 
 	/*        0          1 2   3 4                        */
 	/* SERVER hades.arpa 1 4XY + :ircd-hybrid test server */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		/* Servers other than our immediate uplink are introduced via SID */
 		if (params[1] != "1")
 			return;
 
 		if (params.size() == 5)
 		{
 			UplinkSID = params[2];
 			UseSVSAccount = true;
 		}
 
 		new Server(source.GetServer() == NULL ? Me : source.GetServer(), params[0], 1, params.back(), UplinkSID);
 
 		IRCD->SendPing(Me->GetName(), params[0]);
 	}
 };
 
 struct IRCDMessageSID : IRCDMessage
 {
 	IRCDMessageSID(Module *creator) : IRCDMessage(creator, "SID", 5) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
 
 	/*          0          1 2   3 4                        */
 	/* :0MC SID hades.arpa 2 4XY + :ircd-hybrid test server */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		unsigned int hops = params[1].is_pos_number_only() ? convertTo<unsigned>(params[1]) : 0;
 		new Server(source.GetServer() == NULL ? Me : source.GetServer(), params[0], hops, params.back(), params[2]);
 
 		IRCD->SendPing(Me->GetName(), params[0]);
 	}
 };
 
 struct IRCDMessageSJoin : IRCDMessage
 {
 	IRCDMessageSJoin(Module *creator) : IRCDMessage(creator, "SJOIN", 4) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
 
 	/*            0          1       2   3                      */
 	/* :0MC SJOIN 1654877335 #nether +nt :@0MCAAAAAB +0MCAAAAAC */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		Anope::string modes;
 
 		for (unsigned i = 2; i < params.size() - 1; ++i)
 			modes += " " + params[i];
 
 		if (!modes.empty())
 			modes.erase(modes.begin());
 
 		std::list<Message::Join::SJoinUser> users;
 
 		spacesepstream sep(params[params.size() - 1]);
 		Anope::string buf;
 
 		while (sep.GetToken(buf))
 		{
 			Message::Join::SJoinUser sju;
 
 			/* Get prefixes from the nick */
 			for (char ch; (ch = ModeManager::GetStatusChar(buf[0])); )
 			{
 				buf.erase(buf.begin());
 				sju.first.AddMode(ch);
 			}
 
 			sju.second = User::Find(buf);
 			if (!sju.second)
 			{
 				Log(LOG_DEBUG) << "SJOIN for nonexistent user " << buf << " on " << params[1];
 				continue;
 			}
 
 			users.push_back(sju);
 		}
 
 		time_t ts = Anope::string(params[0]).is_pos_number_only() ? convertTo<time_t>(params[0]) : Anope::CurTime;
 		Message::Join::SJoin(source, params[1], ts, modes, users);
 	}
 };
 
 struct IRCDMessageSVSMode : IRCDMessage
 {
 	IRCDMessageSVSMode(Module *creator) : IRCDMessage(creator, "SVSMODE", 3) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
 
 	/*              0         1          2  */
 	/* :0MC SVSMODE 0MCAAAAAB 1350157102 +r */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		User *u = User::Find(params[0]);
 
 		if (!u)
 			return;
 
 		if (!params[1].is_pos_number_only() || convertTo<time_t>(params[1]) != u->timestamp)
 			return;
 
 		u->SetModesInternal(source, "%s", params[2].c_str());
 	}
 };
 
 struct IRCDMessageTBurst : IRCDMessage
 {
 	IRCDMessageTBurst(Module *creator) : IRCDMessage(creator, "TBURST", 5) { }
 
 	/*             0          1       2          3                      4                      */
 	/* :0MC TBURST 1654867975 #nether 1654877335 Steve!~steve@the.mines :Join the ghast nation */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		Anope::string setter;
 		sepstream(params[3], '!').GetToken(setter, 0);
 		time_t topic_time = Anope::string(params[2]).is_pos_number_only() ? convertTo<time_t>(params[2]) : Anope::CurTime;
 		Channel *c = Channel::Find(params[1]);
 
 		if (c)
 			c->ChangeTopicInternal(NULL, setter, params[4], topic_time);
 	}
 };
 
 struct IRCDMessageTMode : IRCDMessage
 {
 	IRCDMessageTMode(Module *creator) : IRCDMessage(creator, "TMODE", 3) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
 
 	/*            0          1       2    */
 	/* :0MC TMODE 1654867975 #nether +ntR */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		time_t ts = 0;
 
 		try
 		{
 			ts = convertTo<time_t>(params[0]);
 		}
 		catch (const ConvertException &) { }
 
 		Channel *c = Channel::Find(params[1]);
 		Anope::string modes = params[2];
 
 		for (unsigned i = 3; i < params.size(); ++i)
 			modes += " " + params[i];
 
 		if (c)
 			c->SetModesInternal(source, modes, ts);
 	}
 };
 
 struct IRCDMessageUID : IRCDMessage
 {
 	IRCDMessageUID(Module *creator) : IRCDMessage(creator, "UID", 11) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); SetFlag(IRCDMESSAGE_SOFT_LIMIT); }
 
 	/*          0     1 2          3   4      5            6         7        8         9     10                   */
 	/* :0MC UID Steve 1 1350157102 +oi ~steve virtual.host real.host 10.0.0.1 0MCAAAAAB Steve :Mining all the time */
 	void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		NickAlias *na = NULL;
 
 		if (params[9] != "*")
 			na = NickAlias::Find(params[9]);
 
 		/* Source is always the server */
 		User::OnIntroduce(params[0], params[4], params[6], params[5], params[7], source.GetServer(), params[10],
 				params[2].is_pos_number_only() ? convertTo<time_t>(params[2]) : 0,
 				params[3], params[8], na ? *na->nc : NULL);
 	}
 };
 
 class ProtoHybrid : public Module
 {
 	HybridProto ircd_proto;
 
 	/* Core message handlers */
 	Message::Away message_away;
 	Message::Error message_error;
 	Message::Invite message_invite;
 	Message::Kick message_kick;
 	Message::Kill message_kill;
 	Message::Mode message_mode;
 	Message::MOTD message_motd;
 	Message::Notice message_notice;
 	Message::Part message_part;
 	Message::Ping message_ping;
 	Message::Privmsg message_privmsg;
 	Message::Quit message_quit;
 	Message::SQuit message_squit;
 	Message::Stats message_stats;
 	Message::Time message_time;
 	Message::Topic message_topic;
 	Message::Version message_version;
 	Message::Whois message_whois;
 
 	/* Our message handlers */
 	IRCDMessageBMask message_bmask;
 	IRCDMessageCapab message_capab;
 	IRCDMessageCertFP message_certfp;
 	IRCDMessageEOB message_eob;
 	IRCDMessageJoin message_join;
 	IRCDMessageMetadata message_metadata;
 	IRCDMessageMLock message_mlock;
 	IRCDMessageNick message_nick;
 	IRCDMessagePass message_pass;
 	IRCDMessagePong message_pong;
 	IRCDMessageServer message_server;
 	IRCDMessageSID message_sid;
 	IRCDMessageSJoin message_sjoin;
 	IRCDMessageSVSMode message_svsmode;
 	IRCDMessageTBurst message_tburst;
 	IRCDMessageTMode message_tmode;
 	IRCDMessageUID message_uid;
 
 	bool use_server_side_mlock;
 
 	void AddModes()
 	{
 		/* Add user modes */
 		ModeManager::AddUserMode(new UserModeOperOnly("ADMIN", 'a'));
 		ModeManager::AddUserMode(new UserMode("CALLERID", 'g'));
 		ModeManager::AddUserMode(new UserMode("INVIS", 'i'));
 		ModeManager::AddUserMode(new UserModeOperOnly("LOCOPS", 'l'));
 		ModeManager::AddUserMode(new UserModeOperOnly("OPER", 'o'));
 		ModeManager::AddUserMode(new UserMode("HIDECHANS", 'p'));
 		ModeManager::AddUserMode(new UserMode("HIDEIDLE", 'q'));
 		ModeManager::AddUserMode(new UserModeNoone("REGISTERED", 'r'));
 		ModeManager::AddUserMode(new UserModeOperOnly("SNOMASK", 's'));
 		ModeManager::AddUserMode(new UserMode("WALLOPS", 'w'));
 		ModeManager::AddUserMode(new UserMode("BOT", 'B'));
 		ModeManager::AddUserMode(new UserMode("DEAF", 'D'));
 		ModeManager::AddUserMode(new UserMode("SOFTCALLERID", 'G'));
 		ModeManager::AddUserMode(new UserModeOperOnly("HIDEOPER", 'H'));
 		ModeManager::AddUserMode(new UserMode("REGPRIV", 'R'));
 		ModeManager::AddUserMode(new UserModeNoone("SSL", 'S'));
 		ModeManager::AddUserMode(new UserModeNoone("WEBIRC", 'W'));
 		ModeManager::AddUserMode(new UserMode("SECUREONLY", 'Z'));
 
 		/* b/e/I */
 		ModeManager::AddChannelMode(new ChannelModeList("BAN", 'b'));
 		ModeManager::AddChannelMode(new ChannelModeList("EXCEPT", 'e'));
 		ModeManager::AddChannelMode(new ChannelModeList("INVITEOVERRIDE", 'I'));
 
 		/* v/o */
 		ModeManager::AddChannelMode(new ChannelModeStatus("VOICE", 'v', '+', 0));
 		ModeManager::AddChannelMode(new ChannelModeStatus("OP", 'o', '@', 2));
 
 		/* l/k */
 		ModeManager::AddChannelMode(new ChannelModeParam("LIMIT", 'l', true));
 		ModeManager::AddChannelMode(new ChannelModeKey('k'));
 
 		/* Add channel modes */
 		ModeManager::AddChannelMode(new ChannelMode("BLOCKCOLOR", 'c'));
 		ModeManager::AddChannelMode(new ChannelMode("INVITE", 'i'));
 		ModeManager::AddChannelMode(new ChannelMode("MODERATED", 'm'));
 		ModeManager::AddChannelMode(new ChannelMode("NOEXTERNAL", 'n'));
 		ModeManager::AddChannelMode(new ChannelMode("PRIVATE", 'p'));
 		ModeManager::AddChannelMode(new ChannelModeNoone("REGISTERED", 'r'));
 		ModeManager::AddChannelMode(new ChannelMode("SECRET", 's'));
 		ModeManager::AddChannelMode(new ChannelMode("TOPIC", 't'));
 		ModeManager::AddChannelMode(new ChannelMode("NOCTCP", 'C'));
 		ModeManager::AddChannelMode(new ChannelMode("NOKNOCK", 'K'));
 		ModeManager::AddChannelMode(new ChannelModeOperOnly("LBAN", 'L'));
 		ModeManager::AddChannelMode(new ChannelMode("REGMODERATED", 'M'));
 		ModeManager::AddChannelMode(new ChannelMode("NONICK", 'N'));
 		ModeManager::AddChannelMode(new ChannelModeOperOnly("OPERONLY", 'O'));
 		ModeManager::AddChannelMode(new ChannelMode("NOKICK", 'Q'));
 		ModeManager::AddChannelMode(new ChannelMode("REGISTEREDONLY", 'R'));
 		ModeManager::AddChannelMode(new ChannelMode("SSL", 'S'));
 		ModeManager::AddChannelMode(new ChannelMode("NONOTICE", 'T'));
 		ModeManager::AddChannelMode(new ChannelMode("NOINVITE", 'V'));
 		ModeManager::AddChannelMode(new ChannelModeNoone("ISSECURE", 'Z'));
 	}
 
  public:
 	ProtoHybrid(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, PROTOCOL | VENDOR),
 		ircd_proto(this),
 		message_away(this),
 		message_error(this),
 		message_invite(this),
 		message_kick(this),
 		message_kill(this),
 		message_mode(this),
 		message_motd(this),
 		message_notice(this),
 		message_part(this),
 		message_ping(this),
 		message_privmsg(this),
 		message_quit(this),
 		message_squit(this),
 		message_stats(this),
 		message_time(this),
 		message_topic(this),
 		message_version(this),
 		message_whois(this),
 		message_bmask(this),
 		message_capab(this),
 		message_certfp(this),
 		message_eob(this),
 		message_join(this),
 		message_metadata(this),
 		message_mlock(this),
 		message_nick(this),
 		message_pass(this),
 		message_pong(this),
 		message_server(this),
 		message_sid(this),
 		message_sjoin(this),
 		message_svsmode(this),
 		message_tburst(this),
 		message_tmode(this),
 		message_uid(this)
 	{
 		if (Config->GetModule(this))
 			this->AddModes();
 	}
 
 	void OnUserNickChange(User *u, const Anope::string &) anope_override
 	{
 		u->RemoveModeInternal(Me, ModeManager::FindUserModeByName("REGISTERED"));
 	}
 
 	void OnReload(Configuration::Conf *conf) anope_override
 	{
 		use_server_side_mlock = conf->GetModule(this)->Get<bool>("use_server_side_mlock");
 	}
 
 	void OnChannelSync(Channel *c) anope_override
 	{
 		if (!c->ci)
 			return;
 
 		ModeLocks *modelocks = c->ci->GetExt<ModeLocks>("modelocks");
 		if (use_server_side_mlock && modelocks && Servers::Capab.count("MLOCK"))
 		{
 			Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "");
 			UplinkSocket::Message(Me) << "MLOCK " << c->creation_time << " " << c->ci->name << " " << Anope::CurTime << " :" << modes;
 		}
 	}
 
 	void OnDelChan(ChannelInfo *ci) anope_override
 	{
 		if (use_server_side_mlock && ci->c && Servers::Capab.count("MLOCK"))
 			UplinkSocket::Message(Me) << "MLOCK " << ci->c->creation_time << " " << ci->name << " " << Anope::CurTime << " :";
 	}
 
 	EventReturn OnMLock(ChannelInfo *ci, ModeLock *lock) anope_override
 	{
 		ModeLocks *modelocks = ci->GetExt<ModeLocks>("modelocks");
 		ChannelMode *cm = ModeManager::FindChannelModeByName(lock->name);
 		if (use_server_side_mlock && cm && ci->c && modelocks && (cm->type == MODE_REGULAR || cm->type == MODE_PARAM) && Servers::Capab.count("MLOCK"))
 		{
 			Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "") + cm->mchar;
 			UplinkSocket::Message(Me) << "MLOCK " << ci->c->creation_time << " " << ci->name << " " << Anope::CurTime << " :" << modes;
 		}
 
 		return EVENT_CONTINUE;
 	}
 
 	EventReturn OnUnMLock(ChannelInfo *ci, ModeLock *lock) anope_override
 	{
 		ModeLocks *modelocks = ci->GetExt<ModeLocks>("modelocks");
 		ChannelMode *cm = ModeManager::FindChannelModeByName(lock->name);
 		if (use_server_side_mlock && cm && modelocks && ci->c && (cm->type == MODE_REGULAR || cm->type == MODE_PARAM) && Servers::Capab.count("MLOCK"))
 		{
 			Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "").replace_all_cs(cm->mchar, "");
 			UplinkSocket::Message(Me) << "MLOCK " << ci->c->creation_time << " " << ci->name << " " << Anope::CurTime << " :" << modes;
 		}
 
 		return EVENT_CONTINUE;
 	}
 };
 
 MODULE_INIT(ProtoHybrid)

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