/* Bahamut functions * * (C) 2003-2012 Anope Team * Contact us at 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" IRCDVar myIrcd = { "Bahamut 1.8.x", /* ircd name */ "+", /* Modes used by pseudoclients */ 1, /* SVSNICK */ 0, /* Vhost */ 1, /* Supports SNlines */ 1, /* Supports SQlines */ 1, /* Supports SZlines */ 0, /* Join 2 Message */ 1, /* Chan SQlines */ 1, /* Quit on Kill */ 0, /* vidents */ 1, /* svshold */ 1, /* time stamp on mode */ 0, /* O:LINE */ 1, /* UMODE */ 1, /* No Knock requires +i */ 0, /* Can remove User Channel Modes with SVSMODE */ 0, /* Sglines are not enforced until user reconnects */ 0, /* ts6 */ "$", /* TLD Prefix for Global */ 6, /* Max number of modes we can send per line */ 0 /* IRCd sends a SSL users certificate fingerprint */ }; class BahamutIRCdProto : public IRCDProto { void SendModeInternal(const BotInfo *source, const Channel *dest, const Anope::string &buf) anope_override { if (Capab.count("TSMODE") > 0) { if (source) UplinkSocket::Message(source) << "MODE " << dest->name << " " << dest->creation_time << " " << buf; else UplinkSocket::Message(Me) << "MODE " << dest->name << " " << dest->creation_time << " " << buf; } else IRCDProto::SendModeInternal(source, dest, buf); } void SendModeInternal(const BotInfo *bi, const User *u, const Anope::string &buf) anope_override { if (bi) UplinkSocket::Message(bi) << "SVSMODE " << u->nick << " " << u->timestamp << " " << buf; else UplinkSocket::Message(Me) << "SVSMODE " << u->nick << " " << u->timestamp << " " << buf; } /* SVSHOLD - set */ void SendSVSHold(const Anope::string &nick) anope_override { UplinkSocket::Message(Me) << "SVSHOLD " << nick << " " << Config->NSReleaseTimeout << " :Being held for registered user"; } /* SVSHOLD - release */ void SendSVSHoldDel(const Anope::string &nick) anope_override { UplinkSocket::Message(Me) << "SVSHOLD " << nick << " 0"; } /* SQLINE */ void SendSQLine(User *, const XLine *x) anope_override { UplinkSocket::Message() << "SQLINE " << x->Mask << " :" << x->GetReason(); } /* UNSLINE */ void SendSGLineDel(const XLine *x) anope_override { UplinkSocket::Message() << "UNSGLINE 0 :" << x->Mask; } /* UNSZLINE */ void SendSZLineDel(const XLine *x) anope_override { /* this will likely fail so its only here for legacy */ UplinkSocket::Message() << "UNSZLINE 0 " << x->GetHost(); /* this is how we are supposed to deal with it */ UplinkSocket::Message() << "RAKILL " << x->GetHost() << " *"; } /* SZLINE */ 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; /* this will likely fail so its only here for legacy */ UplinkSocket::Message() << "SZLINE " << x->GetHost() << " :" << x->GetReason(); /* this is how we are supposed to deal with it */ UplinkSocket::Message() << "AKILL " << x->GetHost() << " * " << timeleft << " " << x->By << " " << Anope::CurTime << " :" << x->GetReason(); } /* SVSNOOP */ void SendSVSNOOP(const Server *server, bool set) anope_override { UplinkSocket::Message() << "SVSNOOP " << server->GetName() << " " << (set ? "+" : "-"); } /* SGLINE */ void SendSGLine(User *, const XLine *x) anope_override { UplinkSocket::Message() << "SGLINE " << x->Mask.length() << " :" << x->Mask << ":" << x->GetReason(); } /* RAKILL */ void SendAkillDel(const XLine *x) anope_override { if (x->IsRegex() || x->HasNickOrReal()) return; /* ZLine if we can instead */ try { if (x->GetUser() == "*") { sockaddrs(x->GetHost()); ircdproto->SendSZLineDel(x); return; } } catch (const SocketException &) { } UplinkSocket::Message() << "RAKILL " << x->GetHost() << " " << x->GetUser(); } /* TOPIC */ void SendTopic(BotInfo *whosets, Channel *c) anope_override { UplinkSocket::Message(whosets) << "TOPIC " << c->name << " " << c->topic_setter << " " << c->topic_time << " :" << c->topic; } /* UNSQLINE */ void SendSQLineDel(const XLine *x) anope_override { UplinkSocket::Message() << "UNSQLINE " << x->Mask; } /* JOIN - SJOIN */ void SendJoin(const User *user, Channel *c, const ChannelStatus *status) anope_override { UplinkSocket::Message(user) << "SJOIN " << c->creation_time << " " << 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. */ UserContainer *uc = c->FindUser(user); if (uc != NULL) uc->Status->ClearFlags(); BotInfo *setter = findbot(user->nick); for (unsigned i = 0; i < ModeManager::ChannelModes.size(); ++i) if (cs.HasFlag(ModeManager::ChannelModes[i]->Name)) c->SetMode(setter, ModeManager::ChannelModes[i], user->nick, false); } } 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 (Anope::insensitive_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 */ x = new XLine("*@" + u->host, old->By, old->Expires, old->Reason, old->UID); old->manager->AddXLine(x); Log(findbot(Config->OperServ), "akill") << "AKILL: Added an akill for " << x->Mask << " because " << u->GetMask() << "#" << u->realname << " matches " << old->Mask; } /* ZLine if we can instead */ try { if (x->GetUser() == "*") { sockaddrs(x->GetHost()); ircdproto->SendSZLine(u, x); return; } } catch (const SocketException &) { } // Calculate the time left before this would expire, capping it at 2 days time_t timeleft = x->Expires - Anope::CurTime; if (timeleft > 172800) timeleft = 172800; UplinkSocket::Message() << "AKILL " << x->GetHost() << " " << x->GetUser() << " " << timeleft << " " << x->By << " " << Anope::CurTime << " :" << x->GetReason(); } /* Note: if the stamp is null 0, the below usage is correct of Bahamut */ void SendSVSKillInternal(const BotInfo *source, const User *user, const Anope::string &buf) anope_override { if (source) UplinkSocket::Message(source) << "SVSKILL " << user->nick << " :" << buf; else UplinkSocket::Message() << "SVSKILL " << user->nick << " :" << buf; } void SendBOB() anope_override { UplinkSocket::Message() << "BURST"; } void SendEOB() anope_override { UplinkSocket::Message() << "BURST 0"; } void SendClientIntroduction(const User *u) anope_override { Anope::string modes = "+" + u->GetModes(); UplinkSocket::Message() << "NICK " << u->nick << " 1 " << u->timestamp << " " << modes << " " << u->GetIdent() << " " << u->host << " " << u->server->GetName() << " 0 0 :" << u->realname; } /* SERVER */ void SendServer(const Server *server) anope_override { UplinkSocket::Message() << "SERVER " << server->GetName() << " " << server->GetHops() << " :" << server->GetDescription(); } void SendConnect() anope_override { UplinkSocket::Message() << "PASS " << Config->Uplinks[CurrentUplink]->password << " :TS"; UplinkSocket::Message() << "CAPAB SSJOIN NOQUIT BURST UNCONNECT NICKIP TSMODE TS3"; SendServer(Me); /* * SVINFO * parv[0] = sender prefix * parv[1] = TS_CURRENT for the server * parv[2] = TS_MIN for the server * parv[3] = server is standalone or connected to non-TS only * parv[4] = server's idea of UTC time */ UplinkSocket::Message() << "SVINFO 3 1 0 :" << Anope::CurTime; this->SendBOB(); } void SendChannel(Channel *c) anope_override { Anope::string modes = c->GetModes(true, true); if (modes.empty()) modes = "+"; UplinkSocket::Message() << "SJOIN " << c->creation_time << " " << c->name << " " << modes << " :"; } void SendLogin(User *u) anope_override { const BotInfo *ns = findbot(Config->NickServ); ircdproto->SendMode(ns, u, "+d %d", u->timestamp); } void SendLogout(User *u) anope_override { const BotInfo *ns = findbot(Config->NickServ); ircdproto->SendMode(ns, u, "+d 1"); } }; class BahamutIRCdMessage : public IRCdMessage { public: bool OnMode(const Anope::string &source, const std::vector ¶ms) anope_override { if (params.size() > 2 && (params[0][0] == '#' || params[0][0] == '&')) do_cmode(source, params[0], params[2], params[1]); else if (params.size() > 1) do_umode(params[0], params[1]); return true; } /* ** NICK - new ** source = NULL ** parv[0] = nickname ** parv[1] = hopcount ** parv[2] = timestamp ** parv[3] = modes ** parv[4] = username ** parv[5] = hostname ** parv[6] = server ** parv[7] = servicestamp ** parv[8] = IP ** parv[9] = info ** NICK - change ** source = oldnick ** parv[0] = new nickname ** parv[1] = hopcount */ bool OnNick(const Anope::string &source, const std::vector ¶ms) anope_override { if (params.size() != 2) { /* Currently bahamut has no ipv6 support */ sockaddrs ip; ip.ntop(AF_INET, params[8].c_str()); User *user = do_nick(source, params[0], params[4], params[5], params[6], params[9], Anope::string(params[2]).is_pos_number_only() ? convertTo(params[2]) : 0, ip.addr(), "", "", params[3]); if (user && nickserv) { const NickAlias *na; if (user->timestamp == convertTo(params[7]) && (na = findnick(user->nick))) { NickCore *nc = na->nc; user->Login(nc); if (!Config->NoNicknameOwnership && na->nc->HasFlag(NI_UNCONFIRMED) == false) user->SetMode(findbot(Config->NickServ), UMODE_REGISTERED); } else nickserv->Validate(user); } } else do_nick(source, params[0], "", "", "", "", Anope::string(params[1]).is_pos_number_only() ? convertTo(params[1]) : 0, "", "", "", ""); return true; } bool OnServer(const Anope::string &source, const std::vector ¶ms) anope_override { do_server(source, params[0], Anope::string(params[1]).is_pos_number_only() ? convertTo(params[1]) : 0, params[2], ""); return true; } bool OnTopic(const Anope::string &, const std::vector ¶ms) anope_override { if (params.size() < 4) return true; Channel *c = findchan(params[0]); if (!c) { Log() << "TOPIC for nonexistant channel " << params[0]; return true; } c->ChangeTopicInternal(params[1], params[3], Anope::string(params[2]).is_pos_number_only() ? convertTo(params[2]) : Anope::CurTime); return true; } bool OnSJoin(const Anope::string &source, const std::vector ¶ms) anope_override { Channel *c = findchan(params[1]); time_t ts = Anope::string(params[0]).is_pos_number_only() ? convertTo(params[0]) : 0; bool keep_their_modes = true; if (!c) { c = new Channel(params[1], ts); c->SetFlag(CH_SYNCING); } /* Our creation time is newer than what the server gave us */ else if (c->creation_time > ts) { c->creation_time = ts; c->Reset(); } /* Their TS is newer than ours, our modes > theirs, unset their modes if need be */ else if (ts > c->creation_time) keep_their_modes = false; /* If we need to keep their modes, and this SJOIN string contains modes */ if (keep_their_modes && params.size() >= 4) { /* Set the modes internally */ Anope::string modes; for (unsigned i = 2; i < params.size(); ++i) modes += " " + params[i]; if (!modes.empty()) modes.erase(modes.begin()); c->SetModesInternal(NULL, modes); } /* For some reason, bahamut will send a SJOIN from the user joining a channel * if the channel already existed */ if (!c->HasFlag(CH_SYNCING) && params.size() == 2) { User *u = finduser(source); if (!u) Log(LOG_DEBUG) << "SJOIN for nonexistant user " << source << " on " << c->name; else { EventReturn MOD_RESULT; FOREACH_RESULT(I_OnPreJoinChannel, OnPreJoinChannel(u, c)); /* Add the user to the channel */ c->JoinUser(u); /* Now set whatever modes this user is allowed to have on the channel */ chan_set_correct_modes(u, c, 1); /* Check to see if modules want the user to join, if they do * check to see if they are allowed to join (CheckKick will kick/ban them) * Don't trigger OnJoinChannel event then as the user will be destroyed */ if (MOD_RESULT == EVENT_STOP && (!c->ci || !c->ci->CheckKick(u))) { FOREACH_MOD(I_OnJoinChannel, OnJoinChannel(u, c)); } } } else { spacesepstream sep(params[params.size() - 1]); Anope::string buf; while (sep.GetToken(buf)) { std::list Status; char ch; /* Get prefixes from the nick */ while ((ch = ModeManager::GetStatusChar(buf[0]))) { buf.erase(buf.begin()); ChannelMode *cm = ModeManager::FindChannelModeByChar(ch); if (!cm) { Log() << "Received unknown mode prefix " << cm << " in SJOIN string"; continue; } if (keep_their_modes) Status.push_back(cm); } User *u = finduser(buf); if (!u) { Log(LOG_DEBUG) << "SJOIN for nonexistant user " << buf << " on " << c->name; continue; } EventReturn MOD_RESULT; FOREACH_RESULT(I_OnPreJoinChannel, OnPreJoinChannel(u, c)); /* Add the user to the channel */ c->JoinUser(u); /* Update their status internally on the channel * This will enforce secureops etc on the user */ for (std::list::iterator it = Status.begin(), it_end = Status.end(); it != it_end; ++it) c->SetModeInternal(NULL, *it, buf); /* Now set whatever modes this user is allowed to have on the channel */ chan_set_correct_modes(u, c, 1); /* Check to see if modules want the user to join, if they do * check to see if they are allowed to join (CheckKick will kick/ban them) * Don't trigger OnJoinChannel event then as the user will be destroyed */ if (MOD_RESULT != EVENT_STOP && c->ci && c->ci->CheckKick(u)) continue; FOREACH_MOD(I_OnJoinChannel, OnJoinChannel(u, c)); } } /* Channel is done syncing */ if (c->HasFlag(CH_SYNCING)) { /* Unset the syncing flag */ c->UnsetFlag(CH_SYNCING); c->Sync(); } return true; } }; bool event_burst(const Anope::string &source, const std::vector ¶ms) { Server *s = Server::Find(source); if (params.empty()) { /* for future use - start burst */ } else { /* If we found a server with the given source, that one just * finished bursting. If there was no source, then our uplink * server finished bursting. -GD */ if (!s) s = Me->GetLinks().front(); if (s) s->Sync(true); } return true; } class ChannelModeFlood : public ChannelModeParam { public: ChannelModeFlood(char modeChar, bool minusNoArg) : ChannelModeParam(CMODE_FLOOD, modeChar, minusNoArg) { } bool IsValid(const Anope::string &value) const anope_override { try { Anope::string rest; if (!value.empty() && value[0] != ':' && convertTo(value[0] == '*' ? value.substr(1) : value, rest, false) > 0 && rest[0] == ':' && rest.length() > 1 && convertTo(rest.substr(1), rest, false) > 0 && rest.empty()) return true; } catch (const ConvertException &) { } return false; } }; class ProtoBahamut : public Module { Message message_svsmode, message_burst; BahamutIRCdProto ircd_proto; BahamutIRCdMessage ircd_message; void AddModes() { /* Add user modes */ ModeManager::AddUserMode(new UserMode(UMODE_SERV_ADMIN, 'A')); ModeManager::AddUserMode(new UserMode(UMODE_REGPRIV, 'R')); ModeManager::AddUserMode(new UserMode(UMODE_ADMIN, 'a')); ModeManager::AddUserMode(new UserMode(UMODE_INVIS, 'i')); ModeManager::AddUserMode(new UserMode(UMODE_OPER, 'o')); ModeManager::AddUserMode(new UserMode(UMODE_REGISTERED, 'r')); ModeManager::AddUserMode(new UserMode(UMODE_SNOMASK, 's')); ModeManager::AddUserMode(new UserMode(UMODE_WALLOPS, 'w')); ModeManager::AddUserMode(new UserMode(UMODE_DEAF, 'd')); /* b/e/I */ ModeManager::AddChannelMode(new ChannelModeList(CMODE_BAN, 'b')); /* v/h/o/a/q */ ModeManager::AddChannelMode(new ChannelModeStatus(CMODE_VOICE, 'v', '+', 0)); ModeManager::AddChannelMode(new ChannelModeStatus(CMODE_OP, 'o', '@', 1)); /* Add channel modes */ ModeManager::AddChannelMode(new ChannelMode(CMODE_BLOCKCOLOR, 'c')); ModeManager::AddChannelMode(new ChannelMode(CMODE_INVITE, 'i')); ModeManager::AddChannelMode(new ChannelModeFlood('f', false)); ModeManager::AddChannelMode(new ChannelModeKey('k')); ModeManager::AddChannelMode(new ChannelModeParam(CMODE_LIMIT, 'l')); ModeManager::AddChannelMode(new ChannelMode(CMODE_MODERATED, 'm')); ModeManager::AddChannelMode(new ChannelMode(CMODE_NOEXTERNAL, 'n')); ModeManager::AddChannelMode(new ChannelMode(CMODE_PRIVATE, 'p')); ModeManager::AddChannelMode(new ChannelModeRegistered('r')); ModeManager::AddChannelMode(new ChannelMode(CMODE_SECRET, 's')); ModeManager::AddChannelMode(new ChannelMode(CMODE_TOPIC, 't')); ModeManager::AddChannelMode(new ChannelMode(CMODE_REGMODERATED, 'M')); ModeManager::AddChannelMode(new ChannelModeOper('O')); ModeManager::AddChannelMode(new ChannelMode(CMODE_REGISTEREDONLY, 'R')); } public: ProtoBahamut(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, PROTOCOL), message_svsmode("SVSMODE", OnMode), message_burst("BURST", event_burst) { this->SetAuthor("Anope"); pmodule_ircd_var(&myIrcd); pmodule_ircd_proto(&this->ircd_proto); pmodule_ircd_message(&this->ircd_message); this->AddModes(); ModuleManager::Attach(I_OnUserNickChange, this); } ~ProtoBahamut() { pmodule_ircd_var(NULL); pmodule_ircd_proto(NULL); pmodule_ircd_message(NULL); } void OnUserNickChange(User *u, const Anope::string &) anope_override { u->RemoveModeInternal(ModeManager::FindUserModeByName(UMODE_REGISTERED)); } }; MODULE_INIT(ProtoBahamut)