ngircd.cpp

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/*
 * ngIRCd Protocol module for Anope IRC Services
 *
 * (C) 2012 Anope Team <team@anope.org>
 * (C) 2011-2012, 2014 Alexander Barton <alex@barton.de>
 * (C) 2011 Anope Team <team@anope.org>
 *
 * 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"

class ngIRCdProto : public IRCDProto
{
        void SendSVSKillInternal(const MessageSource &source, User *user, const Anope::string &buf) anope_override
        {
                IRCDProto::SendSVSKillInternal(source, user, buf);
                user->KillInternal(source, buf);
        }

 public:
        ngIRCdProto(Module *creator) : IRCDProto(creator, "ngIRCd")
        {
                DefaultPseudoclientModes = "+oi";
                CanCertFP = true;
                CanSVSNick = true;
                CanSetVHost = true;
                CanSetVIdent = true;
                MaxModes = 5;
        }

        void SendAkill(User *u, 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) << "GLINE " << x->mask << " " << timeleft << " :" << x->GetReason() << " (" << x->by << ")";
        }

        void SendAkillDel(const XLine *x) anope_override
        {
                UplinkSocket::Message(Me) << "GLINE " << x->mask;
        }

        void SendChannel(Channel *c) anope_override
        {
                UplinkSocket::Message(Me) << "CHANINFO " << c->name << " +" << c->GetModes(true, true);
        }

        // Received: :dev.anope.de NICK DukeP 1 ~DukePyro p57ABF9C9.dip.t-dialin.net 1 +i :DukePyrolator
        void SendClientIntroduction(User *u) anope_override
        {
                Anope::string modes = "+" + u->GetModes();
                UplinkSocket::Message(Me) << "NICK " << u->nick << " 1 " << u->GetIdent() << " " << u->host << " 1 " << modes << " :" << u->realname;
        }

        void SendConnect() anope_override
        {
                UplinkSocket::Message() << "PASS " << Config->Uplinks[Anope::CurrentUplink].password << " 0210-IRC+ Anope|" << Anope::VersionShort() << ":CLHMSo P";
                /* Make myself known to myself in the serverlist */
                SendServer(Me);
                /* finish the enhanced server handshake and register the connection */
                this->SendNumeric(376, "*", ":End of MOTD command");
        }

        void SendForceNickChange(User *u, const Anope::string &newnick, time_t when) anope_override
        {
                UplinkSocket::Message(Me) << "SVSNICK " << u->nick << " " << newnick;
        }

        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 SendGlobopsInternal(const MessageSource &source, const Anope::string &buf) anope_override
        {
                UplinkSocket::Message(source) << "WALLOPS :" << buf;
        }

        void SendJoin(User *user, Channel *c, const ChannelStatus *status) anope_override
        {
                UplinkSocket::Message(user) << "JOIN " << c->name;
                if (status)
                {
                        /* First save the channel status incase 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(user);
                        if (uc != NULL)
                                uc->status.Clear();

                        BotInfo *setter = BotInfo::Find(user->GetUID());
                        for (size_t i = 0; i < cs.Modes().length(); ++i)
                                c->SetMode(setter, ModeManager::FindChannelModeByChar(cs.Modes()[i]), user->GetUID(), false);

                        if (uc != NULL)
                                uc->status = cs;
                }
        }

        void SendKickInternal(const MessageSource &source, const Channel *chan, User *user, const Anope::string &buf) anope_override
        {
                if (!buf.empty())
                        UplinkSocket::Message(source) << "KICK " << chan->name << " " << user->nick << " :" << buf;
                else
                        UplinkSocket::Message(source) << "KICK " << chan->name << " " << user->nick;
        }

        void SendLogin(User *u, NickAlias *na) anope_override
        {
                UplinkSocket::Message(Me) << "METADATA " << u->GetUID() << " accountname :" << na->nc->display;
        }

        void SendLogout(User *u) anope_override
        {
                UplinkSocket::Message(Me) << "METADATA " << u->GetUID() << " accountname :";
        } 

        void SendModeInternal(const MessageSource &source, const Channel *dest, const Anope::string &buf) anope_override
        {
                UplinkSocket::Message(source) << "MODE " << dest->name << " " << buf;
        }

        void SendPartInternal(User *u, const Channel *chan, const Anope::string &buf) anope_override
        {
                if (!buf.empty())
                        UplinkSocket::Message(u) << "PART " << chan->name << " :" << buf;
                else
                        UplinkSocket::Message(u) << "PART " << chan->name;
        }

        /* SERVER name hop descript */
        void SendServer(const Server *server) anope_override
        {
                UplinkSocket::Message() << "SERVER " << server->GetName() << " " << server->GetHops() << " :" << server->GetDescription();
        }

        void SendTopic(const MessageSource &source, Channel *c) anope_override
        {
                UplinkSocket::Message(source) << "TOPIC " << c->name << " :" << c->topic;
        }

        void SendVhost(User *u, const Anope::string &vIdent, const Anope::string &vhost) anope_override
        {
                if (!vIdent.empty())
                        UplinkSocket::Message(Me) << "METADATA " << u->nick << " user :" << vIdent;

                UplinkSocket::Message(Me) << "METADATA " << u->nick << " cloakhost :" << vhost;
                if (!u->HasMode("CLOAK"))
                {
                        u->SetMode(Config->GetClient("HostServ"), "CLOAK");
                        ModeManager::ProcessModes();
                }
        }

        void SendVhostDel(User *u) anope_override
        {
                this->SendVhost(u, u->GetIdent(), "");
        }
};

struct IRCDMessage005 : IRCDMessage
{
        IRCDMessage005(Module *creator) : IRCDMessage(creator, "005", 1) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }

        // Please see <http://www.irc.org/tech_docs/005.html> for details.
        void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
        {
                size_t pos;
                Anope::string parameter, data;
                for (unsigned i = 0, end = params.size(); i < end; ++i)
                {
                        pos = params[i].find('=');
                        if (pos != Anope::string::npos)
                        {
                                parameter = params[i].substr(0, pos);
                                data = params[i].substr(pos+1, params[i].length());
                                if (parameter == "MODES")
                                {
                                        unsigned maxmodes = convertTo<unsigned>(data);
                                        IRCD->MaxModes = maxmodes;
                                }
                                else if (parameter == "NICKLEN")
                                {
                                        unsigned newlen = convertTo<unsigned>(data), len = Config->GetBlock("networkinfo")->Get<unsigned>("nicklen");
                                        if (len != newlen)
                                        {
                                                Log() << "Warning: NICKLEN is " << newlen << " but networkinfo:nicklen is " << len;
                                        }
                                }
                        }
                }
        }
};

struct IRCDMessage376 : IRCDMessage
{
        IRCDMessage376(Module *creator) : IRCDMessage(creator, "376", 2) { }

        /*
         * :ngircd.dev.anope.de 376 services.anope.de :End of MOTD command
         *
         * we do nothing here, this function exists only to
         * avoid the "unknown message from server" message.
         *
         */

        void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
        {
        }
};

struct IRCDMessageChaninfo : IRCDMessage
{
        IRCDMessageChaninfo(Module *creator) : IRCDMessage(creator, "CHANINFO", 2) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); SetFlag(IRCDMESSAGE_REQUIRE_SERVER); }

        /*
         * CHANINFO is used by servers to inform each other about a channel: its
         * modes, channel key, user limits and its topic. The parameter combination
         * <key> and <limit> is optional, as well as the <topic> parameter, so that
         * there are three possible forms of this command:
         *
         * CHANINFO <chan> +<modes>
         * CHANINFO <chan> +<modes> :<topic>
         * CHANINFO <chan> +<modes> <key> <limit> :<topic>
         *
         * The parameter <key> must be ignored if a channel has no key (the parameter
         * <modes> doesn't list the "k" channel mode). In this case <key> should
         * contain "*" because the parameter <key> is required by the CHANINFO syntax
         * and therefore can't be omitted. The parameter <limit> must be ignored when
         * a channel has no user limit (the parameter <modes> doesn't list the "l"
         * channel mode). In this case <limit> should be "0".
         */
        void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
        {
                bool created;
                Channel *c = Channel::FindOrCreate(params[0], created);

                Anope::string modes = params[1];

                if (params.size() == 3)
                {
                        c->ChangeTopicInternal(source.GetName(), params[2], Anope::CurTime);
                }
                else if (params.size() == 5)
                {
                        for (size_t i = 0, end = params[1].length(); i < end; ++i)
                        {
                                switch(params[1][i])
                                {
                                        case 'k':
                                                modes += " " + params[2];
                                                continue;
                                        case 'l':
                                                modes += " " + params[3];
                                                continue;
                        }
                }
                        c->ChangeTopicInternal(source.GetName(), params[4], Anope::CurTime);
                }

                c->SetModesInternal(source, modes);
        }
};

struct IRCDMessageJoin : Message::Join
{
        IRCDMessageJoin(Module *creator) : Message::Join(creator, "JOIN") { }

        /*
         * <@po||ux> DukeP: RFC 2813, 4.2.1: the JOIN command on server-server links
         * separates the modes ("o") with ASCII 7, not space. And you can't see ASCII 7.
         *
         * if a user joins a new channel, the ircd sends <channelname>\7<umode>
         */
        void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
        {
                User *user = source.GetUser();
                size_t pos = params[0].find('\7');
                Anope::string channel, modes;

                if (pos != Anope::string::npos)
                {
                        channel = params[0].substr(0, pos);
                        modes = '+' + params[0].substr(pos+1, params[0].length()) + " " + user->nick;
                }
                else
                {
                        channel = params[0];
                }

                std::vector<Anope::string> new_params;
                new_params.push_back(channel);

                Message::Join::Run(source, new_params);

                if (!modes.empty())
                {
                        Channel *c = Channel::Find(channel);
                        if (c)
                                c->SetModesInternal(source, modes);
                }
        }
};

struct IRCDMessageMetadata : IRCDMessage
{
        IRCDMessageMetadata(Module *creator) : IRCDMessage(creator, "METADATA", 3) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); }

        /*
         * Received: :ngircd.dev.anope.de METADATA DukePyrolator host :anope-e2ee5c7d
         *
         * params[0] = nick of the user
         * params[1] = command
         * params[2] = data
         *
         * following commands are supported:
         *  - "accountname": the account name of a client (can't be empty)
         *  - "certfp": the certificate fingerprint of a client (can't be empty)
         *  - "cloakhost" : the cloaked hostname of a client
         *  - "host": the hostname of a client (can't be empty)
         *  - "info": info text ("real name") of a client
         *  - "user": the user name (ident) of a client (can't be empty)
         */

        void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
        {
                User *u = User::Find(params[0]);
                if (!u)
                {
                        Log() << "received METADATA for non-existent user " << params[0];
                        return;
                }
                if (params[1].equals_cs("accountname"))
                {
                        NickCore *nc = NickCore::Find(params[2]);
                        if (nc)
                                u->Login(nc);
                }
                else if (params[1].equals_cs("certfp"))
                {
                        u->fingerprint = params[2];
                        FOREACH_MOD(OnFingerprint, (u));
                }
                else if (params[1].equals_cs("cloakhost"))
                {
                        if (!params[2].empty())
                                u->SetDisplayedHost(params[2]);
                }
                else if (params[1].equals_cs("host"))
                {
                        u->SetCloakedHost(params[2]);
                }
                else if (params[1].equals_cs("info"))
                {
                        u->SetRealname(params[2]);
                }
                else if (params[1].equals_cs("user"))
                {
                        u->SetVIdent(params[2]);
                }
        }
};

struct IRCDMessageMode : IRCDMessage
{
        IRCDMessageMode(Module *creator) : IRCDMessage(creator, "MODE", 2) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }

        /*
         * Received: :DukeP MODE #anope +b *!*@*.aol.com
         * Received: :DukeP MODE #anope +h DukeP
         * params[0] = channel or nick
         * params[1] = modes
         * params[n] = parameters
         */

        void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
        {
                Anope::string modes = params[1];

                for (size_t i = 2; i < params.size(); ++i)
                        modes += " " + params[i];

                if (IRCD->IsChannelValid(params[0]))
                {
                        Channel *c = Channel::Find(params[0]);

                        if (c)
                                c->SetModesInternal(source, modes);
                }
                else
                {
                        User *u = User::Find(params[0]);

                        if (u)
                                u->SetModesInternal(source, "%s", params[1].c_str());
                }
        }
};

struct IRCDMessageNick : IRCDMessage
{
        IRCDMessageNick(Module *creator) : IRCDMessage(creator, "NICK", 1) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }

        /*
         * NICK - NEW
         * Received: :dev.anope.de NICK DukeP_ 1 ~DukePyro ip-2-201-236-154.web.vodafone.de 1 + :DukePyrolator
         * Parameters: <nickname> <hopcount> <username> <host> <servertoken> <umode> :<realname>
         * source = server
         * params[0] = nick
         * params[1] = hopcount
         * params[2] = username/ident
         * params[3] = host
         * params[4] = servertoken
         * params[5] = modes
         * params[6] = info
         *
         * NICK - change
         * Received: :DukeP_ NICK :test2
         * source    = oldnick
         * params[0] = newnick
         *
         */
        void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
        {
                if (params.size() == 1)
                {
                        // we have a nickchange
                        source.GetUser()->ChangeNick(params[0]);
                }
                else if (params.size() == 7)
                {
                        // a new user is connecting to the network
                        User::OnIntroduce(params[0], params[2], params[3], "", "", source.GetServer(), params[6], Anope::CurTime, params[5], "", NULL);
                }
                else
                {
                        Log(LOG_DEBUG) << "Received NICK with invalid number of parameters. source = " << source.GetName() << "params[0] = " << params[0] << "params.size() = " << params.size();
                }
        }
};

struct IRCDMessageNJoin : IRCDMessage
{
        IRCDMessageNJoin(Module *creator) : IRCDMessage(creator, "NJOIN",2) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); };

        /*
         * RFC 2813, 4.2.2: Njoin Message:
         * The NJOIN message is used between servers only.
         * It is used when two servers connect to each other to exchange
         * the list of channel members for each channel.
         *
         * Even though the same function can be performed by using a succession
         * of JOIN, this message SHOULD be used instead as it is more efficient.
         *
         * Received: :dev.anope.de NJOIN #test :DukeP2,@DukeP,%test,+test2
         */
        void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
        {
                std::list<Message::Join::SJoinUser> users;

                commasepstream sep(params[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) << "NJOIN for nonexistant user " << buf << " on " << params[0];
                                continue;
                        }
                        users.push_back(sju);
                } 

                Message::Join::SJoin(source, params[0], 0, "", users);
        }
};

struct IRCDMessagePong : IRCDMessage
{
        IRCDMessagePong(Module *creator) : IRCDMessage(creator, "PONG", 0) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); SetFlag(IRCDMESSAGE_REQUIRE_SERVER); }

        /*
         * ngIRCd does not send an EOB, so we send a PING immediately
         * when receiving a new server and then finish sync once we
         * get a pong back from that server.
         */
        void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
        {
                if (!source.GetServer()->IsSynced())
                        source.GetServer()->Sync(false);
        }
};

struct IRCDMessageServer : IRCDMessage
{
        IRCDMessageServer(Module *creator) : IRCDMessage(creator, "SERVER", 3) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }

        /*
         * SERVER tolsun.oulu.fi 1 :Experimental server
         *      New server tolsun.oulu.fi introducing itself
         *      and attempting to register.
         *
         * RFC 2813 says the server has to send a hopcount
         * AND a servertoken. Not quite sure what ngIRCd is
         * sending here.
         *
         * params[0] = servername
         * params[1] = hop count (or servertoken?)
         * params[2] = server description
         *
         *
         * :tolsun.oulu.fi SERVER csd.bu.edu 5 34 :BU Central Server
         *      Server tolsun.oulu.fi is our uplink for csd.bu.edu
         *      which is 5 hops away. The token "34" will be used
         *      by tolsun.oulu.fi when introducing new users or
         *      services connected to csd.bu.edu.
         *
         * params[0] = servername
         * params[1] = hop count
         * params[2] = server numeric
         * params[3] = server description
         */

        void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
        {
                if (params.size() == 3)
                {
                        // our uplink is introducing itself
                        new Server(Me, params[0], 1, params[2], "");
                }
                else
                {
                        // our uplink is introducing a new server
                        unsigned int hops = params[1].is_pos_number_only() ? convertTo<unsigned>(params[1]) : 0;
                        new Server(source.GetServer(), params[0], hops, params[2], params[3]);
                }
                /*
                 * ngIRCd does not send an EOB, so we send a PING immediately
                 * when receiving a new server and then finish sync once we
                 * get a pong back from that server.
                 */
                IRCD->SendPing(Me->GetName(), params[0]);
        }
};

struct IRCDMessageTopic : IRCDMessage
{
        IRCDMessageTopic(Module *creator) : IRCDMessage(creator, "TOPIC", 2) { SetFlag(IRCDMESSAGE_SOFT_LIMIT); }

        // Received: :DukeP TOPIC #anope :test
        void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_override
        {
                Channel *c = Channel::Find(params[0]);
                if (!c)
                {
                        Log(LOG_DEBUG) << "TOPIC for nonexistant channel " << params[0];
                        return;
                }
                c->ChangeTopicInternal(source.GetName(), params[1], Anope::CurTime);
        }
};



class ProtongIRCd : public Module
{
        ngIRCdProto ircd_proto;

        /* Core message handlers */
        Message::Capab message_capab;
        Message::Error message_error;
        Message::Invite message_invite;
        Message::Kick message_kick;
        Message::Kill message_kill;
        Message::MOTD message_motd;
        Message::Notice message_notice;
        Message::Part message_part;
        Message::Ping message_ping;
        Message::Privmsg message_privmsg, message_squery;
        Message::Quit message_quit;
        Message::SQuit message_squit;
        Message::Stats message_stats;
        Message::Time message_time;
        Message::Version message_version;
        Message::Whois message_whois;

        /* Our message handlers */
        IRCDMessage005 message_005;
        IRCDMessage376 message_376;
        IRCDMessageChaninfo message_chaninfo;
        IRCDMessageJoin message_join;
        IRCDMessageMetadata message_metadata;
        IRCDMessageMode message_mode;
        IRCDMessageNick message_nick;
        IRCDMessageNJoin message_njoin;
        IRCDMessagePong message_pong;
        IRCDMessageServer message_server;
        IRCDMessageTopic message_topic;

        void AddModes()
        {
                /* Add user modes */
                ModeManager::AddUserMode(new UserMode("NOCTCP", 'b'));
                ModeManager::AddUserMode(new UserMode("BOT", 'B'));
                ModeManager::AddUserMode(new UserMode("COMMONCHANS", 'C'));
                ModeManager::AddUserMode(new UserMode("INVIS", 'i'));
                ModeManager::AddUserMode(new UserModeOperOnly("OPER", 'o'));
                ModeManager::AddUserMode(new UserModeOperOnly("PROTECTED", 'q'));
                ModeManager::AddUserMode(new UserModeOperOnly("RESTRICTED", 'r'));
                ModeManager::AddUserMode(new UserModeNoone("REGISTERED", 'R'));
                ModeManager::AddUserMode(new UserModeOperOnly("SNOMASK", 's'));
                ModeManager::AddUserMode(new UserMode("WALLOPS", 'w'));
                ModeManager::AddUserMode(new UserMode("CLOAK", 'x'));

                /* Add modes for ban, exception, and invite lists */
                ModeManager::AddChannelMode(new ChannelModeList("BAN", 'b'));
                ModeManager::AddChannelMode(new ChannelModeList("EXCEPT", 'e'));
                ModeManager::AddChannelMode(new ChannelModeList("INVITEOVERRIDE", 'I'));

                /* Add channel user modes */
                ModeManager::AddChannelMode(new ChannelModeStatus("VOICE", 'v', '+', 0));
                ModeManager::AddChannelMode(new ChannelModeStatus("HALFOP", 'h', '%', 1));
                ModeManager::AddChannelMode(new ChannelModeStatus("OP", 'o', '@', 2));
                ModeManager::AddChannelMode(new ChannelModeStatus("PROTECT", 'a', '&', 3));
                ModeManager::AddChannelMode(new ChannelModeStatus("OWNER", 'q', '~', 4));

                /* Add channel modes */
                ModeManager::AddChannelMode(new ChannelMode("INVITE", 'i'));
                ModeManager::AddChannelMode(new ChannelModeKey('k'));
                ModeManager::AddChannelMode(new ChannelModeParam("LIMIT", 'l', true));
                ModeManager::AddChannelMode(new ChannelMode("MODERATED", 'm'));
                ModeManager::AddChannelMode(new ChannelMode("REGMODERATED", 'M'));
                ModeManager::AddChannelMode(new ChannelMode("NOEXTERNAL", 'n'));
                ModeManager::AddChannelMode(new ChannelMode("OPERONLY", 'O'));
                ModeManager::AddChannelMode(new ChannelMode("PERM", 'P'));
                ModeManager::AddChannelMode(new ChannelMode("NOKICK", 'Q'));
                ModeManager::AddChannelMode(new ChannelModeNoone("REGISTERED", 'r'));
                ModeManager::AddChannelMode(new ChannelMode("REGISTEREDONLY", 'R'));
                ModeManager::AddChannelMode(new ChannelMode("SECRET", 's'));
                ModeManager::AddChannelMode(new ChannelMode("TOPIC", 't'));
                ModeManager::AddChannelMode(new ChannelMode("NOINVITE", 'V'));
                ModeManager::AddChannelMode(new ChannelMode("SSL", 'z'));
        }

 public:
        ProtongIRCd(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, PROTOCOL | VENDOR),
                ircd_proto(this),
                message_capab(this), message_error(this), message_invite(this), message_kick(this), message_kill(this),
                message_motd(this), message_notice(this), message_part(this), message_ping(this), message_privmsg(this),
                message_squery(this, "SQUERY"), message_quit(this), message_squit(this), message_stats(this), message_time(this),
                message_version(this), message_whois(this),

                message_005(this), message_376(this), message_chaninfo(this), message_join(this), message_metadata(this),
                message_mode(this), message_nick(this), message_njoin(this), message_pong(this), message_server(this),
                message_topic(this)
        {

                Servers::Capab.insert("QS");

                this->AddModes();

        }

        void OnUserNickChange(User *u, const Anope::string &) anope_override
        {
                u->RemoveMode(Config->GetClient("NickServ"), "REGISTERED");
        }
};

MODULE_INIT(ProtongIRCd)