/* * Anope IRC Services * * Copyright (C) 2006-2016 Anope Team * * This file is part of Anope. Anope 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 see . */ #include "module.h" #include "modules/chanserv/mode.h" #include "modules/sasl.h" static Anope::string UplinkSID; class ChannelModeLargeBan : public ChannelMode { public: ChannelModeLargeBan(const Anope::string &mname, char modeChar) : ChannelMode(mname, modeChar) { } bool CanSet(User *u) const override { return u && u->HasMode("OPER"); } }; class CharybdisProto : public IRCDProto { ServiceReference ratbox; // XXX public: CharybdisProto(Module *creator) : IRCDProto(creator, "Charybdis 3.4+") , ratbox("ratbox") { DefaultPseudoclientModes = "+oiS"; CanCertFP = true; CanSNLine = true; CanSQLine = true; CanSZLine = true; CanSVSNick = true; CanSVSHold = true; CanSetVHost = true; RequiresID = true; MaxModes = 4; } void SendSVSKillInternal(const MessageSource &source, User *targ, const Anope::string &reason) override { ratbox->SendSVSKillInternal(source, targ, reason); } void SendGlobalNotice(ServiceBot *bi, const Server *dest, const Anope::string &msg) override { ratbox->SendGlobalNotice(bi, dest, msg); } void SendGlobalPrivmsg(ServiceBot *bi, const Server *dest, const Anope::string &msg) override { ratbox->SendGlobalPrivmsg(bi, dest, msg); } void SendGlobopsInternal(const MessageSource &source, const Anope::string &buf) override { ratbox->SendGlobopsInternal(source, buf); } void SendSGLine(User *u, XLine *x) override { ratbox->SendSGLine(u, x); } void SendSGLineDel(XLine *x) override { ratbox->SendSGLineDel(x); } void SendAkill(User *u, XLine *x) override { ratbox->SendAkill(u, x); } void SendAkillDel(XLine *x) override { ratbox->SendAkillDel(x); } void SendSQLineDel(XLine *x) override { ratbox->SendSQLineDel(x); } void SendJoin(User *user, Channel *c, const ChannelStatus *status) override { ratbox->SendJoin(user, c, status); } void SendServer(const Server *server) override { ratbox->SendServer(server); } void SendChannel(Channel *c) override { ratbox->SendChannel(c); } void SendTopic(const MessageSource &source, Channel *c) override { ratbox->SendTopic(source, c); } bool IsIdentValid(const Anope::string &ident) override { return ratbox->IsIdentValid(ident); } void SendLogin(User *u, NickServ::Nick *na) override { ratbox->SendLogin(u, na); } void SendLogout(User *u) override { ratbox->SendLogout(u); } void SendSQLine(User *, XLine *x) override { Uplink::Send(Me, "RESV", "*", x->GetMask(), x->GetReason()); } void SendConnect() override { Uplink::Send("PASS", Config->Uplinks[Anope::CurrentUplink].password, "TS", 6, Me->GetSID()); /* * Received: CAPAB :BAN CHW CLUSTER ENCAP EOPMOD EUID EX IE KLN * KNOCK MLOCK QS RSFNC SAVE SERVICES TB UNKLN * * BAN - Can do BAN message * CHW - Can do channel wall @# * CLUSTER - Supports umode +l, can send LOCOPS (encap only) * ENCAP - Can do ENCAP message * EOPMOD - Can do channel wall =# (for cmode +z) * EUID - Can do EUID (its similar to UID but includes the ENCAP REALHOST and ENCAP LOGIN information) * EX - Can do channel +e exemptions * GLN - Can set G:Lines * IE - Can do invite exceptions * KLN - Can set K:Lines (encap only) * KNOCK - Supports KNOCK * MLOCK - Supports MLOCK * RSFNC - Forces a nickname change and propagates it (encap only) * SERVICES - Support channel mode +r (only registered users may join) * SAVE - Resolve a nick collision by changing a nickname to the UID. * TB - Supports topic burst * UNKLN - Can do UNKLINE (encap only) * QS - Can handle quit storm removal */ Uplink::Send("CAPAB", "BAN CHW CLUSTER ENCAP EOPMOD EUID EX IE KLN KNOCK MLOCK QS RSFNC SERVICES TB UNKLN"); /* Make myself known to myself in the serverlist */ SendServer(Me); /* * Received: SVINFO 6 6 0 :1353235537 * arg[0] = current TS version * arg[1] = minimum required TS version * arg[2] = '0' * arg[3] = server's idea of UTC time */ Uplink::Send("SVINFO", 6, 6, Anope::CurTime); } void SendClientIntroduction(User *u) override { Anope::string modes = "+" + u->GetModes(); Uplink::Send(Me, "EUID", u->nick, 1, u->timestamp, modes, u->GetIdent(), u->host, 0, u->GetUID(), "*", "*", u->realname); } void SendForceNickChange(User *u, const Anope::string &newnick, time_t when) override { Uplink::Send(Me, "ENCAP", u->server->GetName(), "RSFNC", u->GetUID(), newnick, when, u->timestamp); } void SendSVSHold(const Anope::string &nick, time_t delay) override { Uplink::Send(Me, "ENCAP", "*", "NICKDELAY", delay, nick); } void SendSVSHoldDel(const Anope::string &nick) override { Uplink::Send(Me, "ENCAP", "*", "NICKDELAY", 0, nick); } void SendVhost(User *u, const Anope::string &ident, const Anope::string &host) override { Uplink::Send(Me, "ENCAP", "*", "CHGHOST", u->GetUID(), host); } void SendVhostDel(User *u) override { this->SendVhost(u, "", u->host); } void SendSASLMessage(const SASL::Message &message) override { Server *s = Server::Find(message.target.substr(0, 3)); Uplink::Send(Me, "ENCAP", s ? s->GetName() : message.target.substr(0, 3), "SASL", message.source, message.target, message.type, message.data, message.ext.empty() ? "" : message.ext); } void SendSVSLogin(const Anope::string &uid, const Anope::string &acc) override { Server *s = Server::Find(uid.substr(0, 3)); Uplink::Send(Me, "ENCAP", s ? s->GetName() : uid.substr(0, 3), "SVSLOGIN", uid, "*", "*", "*", acc); } }; struct IRCDMessageEncap : IRCDMessage { ServiceReference sasl; IRCDMessageEncap(Module *creator) : IRCDMessage(creator, "ENCAP", 3) { SetFlag(IRCDMESSAGE_SOFT_LIMIT);} void Run(MessageSource &source, const std::vector ¶ms) override { User *u = source.GetUser(); // In a burst, states that the source user is logged in as the account. if (params[1] == "LOGIN" || params[1] == "SU") { NickServ::Account *nc = NickServ::FindAccount(params[2]); if (!nc) return; u->Login(nc); } // Received: :42XAAAAAE ENCAP * CERTFP :3f122a9cc7811dbad3566bf2cec3009007c0868f if (params[1] == "CERTFP") { u->fingerprint = params[2]; EventManager::Get()->Dispatch(&Event::Fingerprint::OnFingerprint, u); } /* * Received: :42X ENCAP * SASL 42XAAAAAH * S PLAIN * Received: :42X ENCAP * SASL 42XAAAAAC * D A * * Part of a SASL authentication exchange. The mode is 'C' to send some data * (base64 encoded), or 'S' to end the exchange (data indicates type of * termination: 'A' for abort, 'F' for authentication failure, 'S' for * authentication success). * * Charybdis only accepts messages from SASL agents; these must have umode +S */ if (params[1] == "SASL" && sasl && params.size() >= 6) { SASL::Message m; m.source = params[2]; m.target = params[3]; m.type = params[4]; m.data = params[5]; m.ext = params.size() > 6 ? params[6] : ""; sasl->ProcessMessage(m); } } }; struct IRCDMessageEUID : IRCDMessage { IRCDMessageEUID(Module *creator) : IRCDMessage(creator, "EUID", 11) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); } /* * :42X EUID DukePyrolator 1 1353240577 +Zi ~jens erft-5d80b00b.pool.mediaWays.net 93.128.176.11 42XAAAAAD * * :jens * : EUID + : * 0 1 2 3 4 5 6 7 8 9 10 * * Introduces a user. The hostname field is now always the visible host. * The realhost field is * if the real host is equal to the visible host. * The account field is * if the login is not set. * Note that even if both new fields are *, an EUID command still carries more * information than a UID command (namely that real host is visible host and the * user is not logged in with services). Hence a NICK or UID command received * from a remote server should not be sent in EUID form to other servers. */ void Run(MessageSource &source, const std::vector ¶ms) override { NickServ::Nick *na = NULL; if (params[9] != "*") na = NickServ::FindNick(params[9]); User::OnIntroduce(params[0], params[4], params[8], params[5], params[6], source.GetServer(), params[10], params[2].is_pos_number_only() ? convertTo(params[2]) : Anope::CurTime, params[3], params[7], na ? na->GetAccount() : NULL); } }; // we can't use this function from ratbox because we set a local variable here struct IRCDMessageServer : IRCDMessage { IRCDMessageServer(Module *creator) : IRCDMessage(creator, "SERVER", 3) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); } // SERVER dev.anope.de 1 :charybdis test server void Run(MessageSource &source, const std::vector ¶ms) override { // Servers other then our immediate uplink are introduced via SID if (params[1] != "1") return; new Server(source.GetServer() == NULL ? Me : source.GetServer(), params[0], 1, params[2], UplinkSID); IRCD->SendPing(Me->GetName(), params[0]); } }; // we can't use this function from ratbox because we set a local variable here struct IRCDMessagePass : IRCDMessage { IRCDMessagePass(Module *creator) : IRCDMessage(creator, "PASS", 4) { SetFlag(IRCDMESSAGE_REQUIRE_SERVER); } void Run(MessageSource &source, const std::vector ¶ms) override { // UplinkSID is used in IRCDMessageServer UplinkSID = params[3]; } }; class ProtoCharybdis : public Module , public EventHook , public EventHook { Module *m_ratbox; ServiceReference mlocks; CharybdisProto ircd_proto; /* Core message handlers */ Message::Away message_away; Message::Capab message_capab; 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; /* Ratbox Message Handlers */ ServiceAlias message_bmask, message_join, message_nick, message_pong, message_sid, message_sjoin, message_tb, message_tmode, message_uid; /* Our message handlers */ IRCDMessageEncap message_encap; IRCDMessageEUID message_euid; IRCDMessagePass message_pass; IRCDMessageServer message_server; bool use_server_side_mlock; public: ProtoCharybdis(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, PROTOCOL | VENDOR) , EventHook(this) , EventHook(this) , ircd_proto(this) , message_away(this) , message_capab(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("IRCDMessage", "charybdis/bmask", "ratbox/bmask") , message_join("IRCDMessage", "charybdis/join", "ratbox/join") , message_nick("IRCDMessage", "charybdis/nick", "ratbox/nick") , message_pong("IRCDMessage", "charybdis/pong", "ratbox/pong") , message_sid("IRCDMessage", "charybdis/sid", "ratbox/sid") , message_sjoin("IRCDMessage", "charybdis/sjoin", "ratbox/sjoin") , message_tb("IRCDMessage", "charybdis/tb", "ratbox/tb") , message_tmode("IRCDMessage", "charybdis/tmode", "ratbox/tmode") , message_uid("IRCDMessage", "charybdis/uid", "ratbox/uid") , message_encap(this) , message_euid(this) , message_pass(this) , message_server(this) { if (ModuleManager::LoadModule("ratbox", User::Find(creator)) != MOD_ERR_OK) throw ModuleException("Unable to load ratbox"); m_ratbox = ModuleManager::FindModule("ratbox"); if (!m_ratbox) throw ModuleException("Unable to find ratbox"); #warning "" // if (!ratbox) // throw ModuleException("No protocol interface for ratbox"); } ~ProtoCharybdis() { m_ratbox = ModuleManager::FindModule("ratbox"); ModuleManager::UnloadModule(m_ratbox, NULL); } void OnReload(Configuration::Conf *conf) override { use_server_side_mlock = conf->GetModule(this)->Get("use_server_side_mlock"); } void OnChannelSync(Channel *c) override { if (!c->ci || !mlocks) return; if (use_server_side_mlock && Servers::Capab.count("MLOCK") > 0) { Anope::string modes = mlocks->GetMLockAsString(c->ci, false).replace_all_cs("+", "").replace_all_cs("-", ""); Uplink::Send(Me, "MLOCK", c->creation_time, c->ci->GetName(), modes); } } EventReturn OnMLock(ChanServ::Channel *ci, ModeLock *lock) override { if (!mlocks) return EVENT_CONTINUE; ChannelMode *cm = ModeManager::FindChannelModeByName(lock->GetName()); if (use_server_side_mlock && cm && ci->c && (cm->type == MODE_REGULAR || cm->type == MODE_PARAM) && Servers::Capab.count("MLOCK") > 0) { Anope::string modes = mlocks->GetMLockAsString(ci, false).replace_all_cs("+", "").replace_all_cs("-", "") + cm->mchar; Uplink::Send(Me, "MLOCK", ci->c->creation_time, ci->GetName(), modes); } return EVENT_CONTINUE; } EventReturn OnUnMLock(ChanServ::Channel *ci, ModeLock *lock) override { if (!mlocks) return EVENT_CONTINUE; ChannelMode *cm = ModeManager::FindChannelModeByName(lock->GetName()); if (use_server_side_mlock && cm && ci->c && (cm->type == MODE_REGULAR || cm->type == MODE_PARAM) && Servers::Capab.count("MLOCK") > 0) { Anope::string modes = mlocks->GetMLockAsString(ci, false).replace_all_cs("+", "").replace_all_cs("-", "").replace_all_cs(cm->mchar, ""); Uplink::Send(Me, "MLOCK", ci->c->creation_time, ci->GetName(), modes); } return EVENT_CONTINUE; } }; MODULE_INIT(ProtoCharybdis)