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Diffstat (limited to 'modules/protocol/rfc1459.cpp')
| -rw-r--r-- | modules/protocol/rfc1459.cpp | 640 |
1 files changed, 640 insertions, 0 deletions
diff --git a/modules/protocol/rfc1459.cpp b/modules/protocol/rfc1459.cpp new file mode 100644 index 000000000..eee93571a --- /dev/null +++ b/modules/protocol/rfc1459.cpp @@ -0,0 +1,640 @@ +/* + * Anope IRC Services + * + * Copyright (C) 2005-2017 Anope Team <team@anope.org> + * + * 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 <http://www.gnu.org/licenses/>. + */ + +#include "module.h" +#include "modules/protocol/rfc1459.h" +#include "modules/operserv/stats.h" + +using namespace rfc1459; + +void senders::GlobalNotice::Send(const MessageSource &source, Server *dest, const Anope::string &msg) +{ + Uplink::Send(source, "NOTICE", "$" + dest->GetName(), msg); +} + +void senders::GlobalPrivmsg::Send(const MessageSource& source, Server* dest, const Anope::string& msg) +{ + Uplink::Send(source, "PRIVMSG", "$" + dest->GetName(), msg); +} + +void senders::Invite::Send(const MessageSource &source, Channel *chan, User *user) +{ + Uplink::Send(source, "INVITE", user->GetUID(), chan->name); +} + +void senders::Join::Send(User* user, Channel* c, const ChannelStatus* status) +{ + Uplink::Send(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(); + + ServiceBot *setter = ServiceBot::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 senders::Kick::Send(const MessageSource &source, Channel *chan, User *user, const Anope::string &reason) +{ + if (!reason.empty()) + Uplink::Send(source, "KICK", chan->name, user->GetUID(), reason); + else + Uplink::Send(source, "KICK", chan->name, user->GetUID()); +} + +void senders::Kill::Send(const MessageSource &source, const Anope::string &target, const Anope::string &reason) +{ + Uplink::Send(source, "KILL", target, reason); +} + +void senders::Kill::Send(const MessageSource &source, User *user, const Anope::string &reason) +{ + Uplink::Send(source, "KILL", user->GetUID(), reason); + user->KillInternal(source, reason); +} + +void senders::ModeChannel::Send(const MessageSource &source, Channel *channel, const Anope::string &modes) +{ + IRCMessage message(source, "MODE", channel->name); + message.TokenizeAndPush(modes); + Uplink::SendMessage(message); +} + +void senders::ModeUser::Send(const MessageSource &source, User *user, const Anope::string &modes) +{ + IRCMessage message(source, "MODE", user->GetUID()); + message.TokenizeAndPush(modes); + Uplink::SendMessage(message); +} + +void senders::NickChange::Send(User *u, const Anope::string &newnick, time_t ts) +{ + /* this actually isn't rfc1459 which says NICK <nickname> <hopcount> */ + Uplink::Send(u, "NICK", newnick, ts); +} + +void senders::Notice::Send(const MessageSource &source, const Anope::string &dest, const Anope::string &msg) +{ + Uplink::Send(source, "NOTICE", dest, msg); +} + +void senders::Part::Send(User *u, Channel *chan, const Anope::string &reason) +{ + if (!reason.empty()) + Uplink::Send(u, "PART", chan->name, reason); + else + Uplink::Send(u, "PART", chan->name); +} + +void senders::Ping::Send(const Anope::string &servname, const Anope::string &who) +{ + if (servname.empty()) + Uplink::Send(Me, "PING", who); + else + Uplink::Send(Me, "PING", servname, who); +} + +void senders::Pong::Send(const Anope::string &servname, const Anope::string &who) +{ + if (servname.empty()) + Uplink::Send(Me, "PONG", who); + else + Uplink::Send(Me, "PONG", servname, who); +} + +void senders::Privmsg::Send(const MessageSource &source, const Anope::string &dest, const Anope::string &msg) +{ + Uplink::Send(source, "PRIVMSG", dest, msg); +} + +void senders::Quit::Send(User *user, const Anope::string &reason) +{ + if (!reason.empty()) + Uplink::Send(user, "QUIT", reason); + else + Uplink::Send(user, "QUIT"); +} + +void senders::MessageServer::Send(Server* server) +{ + Uplink::Send("SERVER", server->GetName(), server->GetHops() + 1, server->GetDescription()); +} + +void senders::SQuit::Send(Server *s, const Anope::string &message) +{ + Uplink::Send("SQUIT", s->GetSID(), message); +} + +void senders::Topic::Send(const MessageSource &source, Channel *channel, const Anope::string &topic, time_t topic_ts, const Anope::string &topic_setter) +{ + Uplink::Send(source, "TOPIC", channel->name, topic); +} + +void senders::Wallops::Send(const MessageSource &source, const Anope::string &msg) +{ + Uplink::Send(source, "WALLOPS", msg); +} + +void Away::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + User *u = source.GetUser(); + const Anope::string &msg = !params.empty() ? params[0] : ""; + + EventManager::Get()->Dispatch(&Event::UserAway::OnUserAway, u, msg); + + if (!msg.empty()) + u->logger.Category("away").Log(_("{0} is now away: {1}"), u->GetMask(), msg); + else + u->logger.Category("away").Log(_("{0} is no longer away"), u->GetMask()); +} + +void Capab::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + if (params.size() == 1) + { + spacesepstream sep(params[0]); + Anope::string token; + while (sep.GetToken(token)) + Servers::Capab.insert(token); + } + else + for (unsigned i = 0; i < params.size(); ++i) + Servers::Capab.insert(params[i]); +} + +void Error::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + Anope::Logger.Terminal("ERROR: {0}", params[0]); + Anope::QuitReason = "Received ERROR from uplink: " + params[0]; + Anope::Quitting = true; +} + +void Invite::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + User *targ = User::Find(params[0]); + Channel *c = Channel::Find(params[1]); + + if (!targ || targ->server != Me || !c || c->FindUser(targ)) + return; + + EventManager::Get()->Dispatch(&Event::Invite::OnInvite, source.GetUser(), c, targ); +} + +void Join::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + User *user = source.GetUser(); + const Anope::string &channels = params[0]; + + Anope::string channel; + commasepstream sep(channels); + + while (sep.GetToken(channel)) + { + /* Special case for /join 0 */ + if (channel == "0") + { + for (User::ChanUserList::iterator it = user->chans.begin(), it_end = user->chans.end(); it != it_end; ) + { + ChanUserContainer *cc = it->second; + Channel *c = cc->chan; + ++it; + + EventManager::Get()->Dispatch(&Event::PrePartChannel::OnPrePartChannel, user, c); + cc->chan->DeleteUser(user); + EventManager::Get()->Dispatch(&Event::PartChannel::OnPartChannel, user, c, c->name, ""); + } + continue; + } + + std::list<SJoinUser> users; + users.push_back(std::make_pair(ChannelStatus(), user)); + + Channel *chan = Channel::Find(channel); + SJoin(source, channel, chan ? chan->creation_time : Anope::CurTime, "", users); + } +} + +void Join::SJoin(MessageSource &source, const Anope::string &chan, time_t ts, const Anope::string &modes, const std::list<SJoinUser> &users) +{ + bool created; + Channel *c = Channel::FindOrCreate(chan, created, ts ? ts : Anope::CurTime); + bool keep_their_modes = true; + + if (created) + c->syncing = true; + /* Some IRCds do not include a TS */ + else if (!ts) + ; + /* Our creation time is newer than what the server gave us, so reset the channel to the older time */ + else if (c->creation_time > ts) + { + c->creation_time = ts; + c->Reset(); + } + /* Their TS is newer, don't accept any modes from them */ + else if (ts > c->creation_time) + keep_their_modes = false; + + /* Update the modes for the channel */ + if (keep_their_modes && !modes.empty()) + /* If we are syncing, mlock is checked later in Channel::Sync. It is important to not check it here + * so that Channel::SetCorrectModes can correctly detect the presence of channel mode +r. + */ + c->SetModesInternal(source, modes, ts, !c->syncing); + + for (std::list<SJoinUser>::const_iterator it = users.begin(), it_end = users.end(); it != it_end; ++it) + { + const ChannelStatus &status = it->first; + User *u = it->second; + keep_their_modes = ts <= c->creation_time; // OnJoinChannel can call modules which can modify this channel's ts + + if (c->FindUser(u)) + continue; + + /* Add the user to the channel */ + c->JoinUser(u, keep_their_modes ? &status : NULL); + + /* Check if the user is allowed to join */ + if (c->CheckKick(u)) + continue; + + /* Set whatever modes the user should have, and remove any that + * they aren't allowed to have (secureops etc). + */ + c->SetCorrectModes(u, true); + + EventManager::Get()->Dispatch(&Event::JoinChannel::OnJoinChannel, u, c); + } + + /* Channel is done syncing */ + if (c->syncing) + { + /* Sync the channel (mode lock, topic, etc) */ + /* the channel is synced when the netmerge is complete */ + Server *src = source.GetServer() ? source.GetServer() : Me; + if (src && src->IsSynced()) + { + c->Sync(); + + if (c->CheckDelete()) + c->QueueForDeletion(); + } + } +} + +void Kick::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + const Anope::string &channel = params[0]; + const Anope::string &users = params[1]; + const Anope::string &reason = params.size() > 2 ? params[2] : ""; + + Channel *c = Channel::Find(channel); + if (!c) + return; + + Anope::string user; + commasepstream sep(users); + + while (sep.GetToken(user)) + c->KickInternal(source, user, reason); +} + +void Kill::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + User *u = User::Find(params[0]); + ServiceBot *bi; + + if (!u) + return; + + /* Recover if someone kills us. */ + if (u->server == Me && (bi = dynamic_cast<ServiceBot *>(u))) + { + static time_t last_time = 0; + + if (last_time == Anope::CurTime) + { + Anope::QuitReason = "Kill loop detected. Are Services U:Lined?"; + Anope::Quitting = true; + return; + } + last_time = Anope::CurTime; + + bi->OnKill(); + } + else + u->KillInternal(source, params[1]); +} + +void rfc1459::Mode::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + Anope::string buf; + for (unsigned i = 1; i < params.size(); ++i) + buf += " " + params[i]; + + if (IRCD->IsChannelValid(params[0])) + { + Channel *c = Channel::Find(params[0]); + + if (c) + c->SetModesInternal(source, buf.substr(1), 0); + } + else + { + User *u = User::Find(params[0]); + + if (u) + u->SetModesInternal(source, "%s", buf.substr(1).c_str()); + } +} + +void MOTD::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + Server *s = Server::Find(params[0]); + if (s != Me) + return; + + /* XXX We should cache the file somewhere not open/read/close it on every request */ + FILE *f = fopen(Config->GetBlock("serverinfo")->Get<Anope::string>("motd").c_str(), "r"); + if (f) + { + IRCD->SendNumeric(RPL_MOTDSTART, source.GetUser(), Anope::Format("- {0} Message of the Day", s->GetName())); + char buf[BUFSIZE]; + while (fgets(buf, sizeof(buf), f)) + { + buf[strlen(buf) - 1] = 0; + IRCD->SendNumeric(RPL_MOTD, source.GetUser(), Anope::Format("- {0}", buf)); + } + fclose(f); + IRCD->SendNumeric(RPL_YOUREOPER, source.GetUser(), "End of /MOTD command."); + } + else + IRCD->SendNumeric(ERR_NOMOTD, source.GetUser(), "- MOTD file not found! Please contact your IRC administrator."); +} + +void Notice::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + Anope::string message = params[1]; + + User *u = source.GetUser(); + + /* ignore channel notices */ + if (!IRCD->IsChannelValid(params[0])) + { + ServiceBot *bi = ServiceBot::Find(params[0]); + if (!bi) + return; + EventManager::Get()->Dispatch(&Event::BotNotice::OnBotNotice, u, bi, message); + } +} + +void Part::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + User *u = source.GetUser(); + const Anope::string &reason = params.size() > 1 ? params[1] : ""; + + Anope::string channel; + commasepstream sep(params[0]); + + while (sep.GetToken(channel)) + { + Channel *c = Channel::Find(channel); + + if (!c || !u->FindChannel(c)) + continue; + + c->logger.User(u).Category("part").Log(_("{0} parted {1}: {2}"), u->GetMask(), c->GetName(), !reason.empty() ? reason : "No reason"); + + EventManager::Get()->Dispatch(&Event::PrePartChannel::OnPrePartChannel, u, c); + c->DeleteUser(u); + EventManager::Get()->Dispatch(&Event::PartChannel::OnPartChannel, u, c, c->name, reason); + } +} + +void Ping::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + IRCD->Send<messages::Pong>(params.size() > 1 ? params[1] : Me->GetSID(), params[0]); +} + +void Privmsg::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + const Anope::string &receiver = params[0]; + Anope::string message = params[1]; + + User *u = source.GetUser(); + + if (IRCD->IsChannelValid(receiver)) + { + Channel *c = Channel::Find(receiver); + if (c) + { + EventManager::Get()->Dispatch(&Event::Privmsg::OnPrivmsg, u, c, message); + } + } + else + { + /* If a server is specified (nick@server format), make sure it matches + * us, and strip it off. */ + Anope::string botname = receiver; + size_t s = receiver.find('@'); + bool nick_only = false; + if (s != Anope::string::npos) + { + Anope::string servername(receiver.begin() + s + 1, receiver.end()); + botname = botname.substr(0, s); + nick_only = true; + if (!servername.equals_ci(Me->GetName())) + return; + } + else if (!IRCD->RequiresID && Config->UseStrictPrivmsg) + { + ServiceBot *bi = ServiceBot::Find(receiver); + if (!bi) + return; + bi->logger.Debug("Ignored PRIVMSG without @ from {0}", u->nick); + u->SendMessage(bi, _("\"/msg %s\" is no longer supported. Use \"/msg %s@%s\" or \"/%s\" instead."), bi->nick.c_str(), bi->nick.c_str(), Me->GetName().c_str(), bi->nick.c_str()); + return; + } + + ServiceBot *bi = ServiceBot::Find(botname, nick_only); + + if (bi) + { + if (message[0] == '\1' && message[message.length() - 1] == '\1') + { + if (message.substr(0, 6).equals_ci("\1PING ")) + { + Anope::string buf = message; + buf.erase(buf.begin()); + buf.erase(buf.end() - 1); + IRCD->SendCTCPReply(bi, u->nick, buf); + } + else if (message.substr(0, 9).equals_ci("\1VERSION\1")) + { + Module *enc = ModuleManager::FindFirstOf(ENCRYPTION); + IRCD->SendCTCPReply(bi, u->nick, "VERSION Anope-{0}", Anope::Version()); + } + return; + } + + EventReturn MOD_RESULT = EventManager::Get()->Dispatch(&Event::BotPrivmsg::OnBotPrivmsg, u, bi, message); + if (MOD_RESULT == EVENT_STOP) + return; + + bi->OnMessage(u, message); + } + } +} + +void Quit::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + const Anope::string &reason = params[0]; + User *user = source.GetUser(); + + user->logger.Category("quit").Log(_("{0} quit: {1}"), user->GetMask(), (!reason.empty() ? reason : "no reason")); + + user->Quit(reason); +} + +void SQuit::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + Server *s = Server::Find(params[0]); + + if (!s) + { + Anope::Logger.Debug("SQUIT for nonexistent server {0}", params[0]); + return; + } + + if (s == Me) + { + if (Me->GetLinks().empty()) + return; + + s = Me->GetLinks().front(); + } + + s->Delete(s->GetName() + " " + s->GetUplink()->GetName()); +} + +void rfc1459::Stats::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + User *u = source.GetUser(); + + switch (params[0][0]) + { + case 'l': + if (u->HasMode("OPER")) + { + IRCD->SendNumeric(RPL_STATSLINKINFO, u, "Server", "SendBuf", "SentBytes", "SentMsgs", "RecvBuf", "RecvBytes", "RecvMsgs", "ConnTime"); + IRCD->SendNumeric(RPL_STATSLINKINFO, u, Config->Uplinks[Anope::CurrentUplink].host, UplinkSock->WriteBufferLen(), TotalWritten, -1, UplinkSock->ReadBufferLen(), TotalRead, -1, Anope::CurTime - Anope::StartTime); + } + break; + case 'o': + case 'O': + /* Check whether the user is an operator */ + if (u->HasMode("OPER") || !Config->GetBlock("options")->Get<bool>("hidestatso")) + { + for (Oper *o : Serialize::GetObjects<Oper *>()) + IRCD->SendNumeric(RPL_STATSOLINE, u, "O", "*", "*", o->GetName(), o->GetType()->GetName().replace_all_cs(" ", "_"), "0"); + } + break; + case 'u': + { + ::Stats *s = Serialize::GetObject<::Stats *>(); + long uptime = static_cast<long>(Anope::CurTime - Anope::StartTime); + + IRCD->SendNumeric(RPL_STATSUPTIME, u, Anope::Format("Services up {0} day{1}, {2}", + uptime / 86400, uptime / 86400 == 1 ? "" : "s", + Anope::printf("%02d:%02d:%02d", (uptime / 3600) % 24, (uptime / 60) % 60, uptime % 60))); + IRCD->SendNumeric(RPL_STATSCONN, u, Anope::Format("Current users: {0} ({1} ops); maximum {2}", UserListByNick.size(), OperCount, s ? s->GetMaxUserCount() : 0)); + break; + } + } + + IRCD->SendNumeric(RPL_ENDOFSTATS, u, params[0][0], "End of /STATS report."); +} + +void Time::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + time_t t = time(NULL); + struct tm *tm = localtime(&t); + char buf[64]; + strftime(buf, sizeof(buf), "%a %b %d %H:%M:%S %Y %Z", tm); + IRCD->SendNumeric(RPL_TIME, source.GetUser(), Me->GetName(), buf); +} + +void Topic::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + Channel *c = Channel::Find(params[0]); + if (c) + c->ChangeTopicInternal(source.GetUser(), source.GetSource(), params[1], Anope::CurTime); +} + +void Version::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + Module *enc = ModuleManager::FindFirstOf(ENCRYPTION); + IRCD->SendNumeric(RPL_VERSION, source.GetUser(), "Anope-" + Anope::Version(), Me->GetName(), + Anope::Format("{0} - {1} - Built: {2} - Flags: {3}", + IRCD->GetProtocolName(), enc ? enc->name : "(none)", Anope::VersionBuildTime(), Anope::VersionFlags())); +} + +void Whois::Run(MessageSource &source, const std::vector<Anope::string> ¶ms) +{ + User *src = source.GetUser(); + User *u = User::Find(params[0]); + + if (u && u->server == Me) + { + const ServiceBot *bi = ServiceBot::Find(u->GetUID()); + IRCD->SendNumeric(RPL_WHOISUSER, src, u->nick, u->GetIdent(), u->host, "*", u->realname); + if (bi) + IRCD->SendNumeric(RPL_WHOISREGNICK, src, bi->nick, "is a registered nick"); + IRCD->SendNumeric(RPL_WHOISSERVER, src, u->nick, Me->GetName(), Config->GetBlock("serverinfo")->Get<Anope::string>("description")); + if (bi) + IRCD->SendNumeric(RPL_WHOISIDLE, src, bi->nick, Anope::CurTime - bi->lastmsg, bi->signon, "seconds idle, signon time"); + IRCD->SendNumeric(RPL_ENDOFWHOIS, src, u->nick, "End of /WHOIS list."); + } + else + { + IRCD->SendNumeric(ERR_NOSUCHNICK, src, params[0], "No such user."); + } +} + +class ProtoRFC1459 : public Module +{ + public: + ProtoRFC1459(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, PROTOCOL | VENDOR) + { + } +}; + +MODULE_INIT(ProtoRFC1459) |