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elemental-ircd/extra/services/anope2.0/elemental-ircd.cpp

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/* Elemental-IRCd functions
*
* (C) 2014 Sam Dodrill <shadowh511@gmail.com>
* (C) 2003-2014 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"
#include "modules/cs_mode.h"
static bool sasl = true;
static Anope::string UplinkSID;
static ServiceReference<IRCDProto> ratbox("IRCDProto", "ratbox");
class ChannelModeLargeBan : public ChannelMode
{
public:
ChannelModeLargeBan(const Anope::string &mname, char modeChar) : ChannelMode(mname, modeChar) { }
bool CanSet(User *u) const anope_override
{
return u && u->HasMode("OPER");
}
};
class ElementalProto : public IRCDProto
{
public:
ElementalProto(Module *creator) : IRCDProto(creator, "Elemental-IRCd+ihw 6.5+")
{
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) anope_override { ratbox->SendSVSKillInternal(source, targ, reason); }
void SendGlobalNotice(BotInfo *bi, const Server *dest, const Anope::string &msg) anope_override { ratbox->SendGlobalNotice(bi, dest, msg); }
void SendGlobalPrivmsg(BotInfo *bi, const Server *dest, const Anope::string &msg) anope_override { ratbox->SendGlobalPrivmsg(bi, dest, msg); }
void SendGlobopsInternal(const MessageSource &source, const Anope::string &buf) anope_override { ratbox->SendGlobopsInternal(source, buf); }
void SendSGLine(User *u, const XLine *x) anope_override { ratbox->SendSGLine(u, x); }
void SendSGLineDel(const XLine *x) anope_override { ratbox->SendSGLineDel(x); }
void SendAkill(User *u, XLine *x) anope_override { ratbox->SendAkill(u, x); }
void SendAkillDel(const XLine *x) anope_override { ratbox->SendAkillDel(x); }
void SendSQLineDel(const XLine *x) anope_override { ratbox->SendSQLineDel(x); }
void SendJoin(User *user, Channel *c, const ChannelStatus *status) anope_override { ratbox->SendJoin(user, c, status); }
void SendServer(const Server *server) anope_override { ratbox->SendServer(server); }
void SendChannel(Channel *c) anope_override { ratbox->SendChannel(c); }
void SendTopic(const MessageSource &source, Channel *c) anope_override { ratbox->SendTopic(source, c); }
bool IsIdentValid(const Anope::string &ident) anope_override { return ratbox->IsIdentValid(ident); }
void SendLogin(User *u, NickAlias *na) anope_override { ratbox->SendLogin(u, na); }
void SendLogout(User *u) anope_override { ratbox->SendLogout(u); }
void SendSQLine(User *, const XLine *x) anope_override
{
UplinkSocket::Message(Me) << "RESV * " << x->mask << " :" << x->GetReason();
}
void SendConnect() anope_override
{
UplinkSocket::Message() << "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
*/
UplinkSocket::Message() << "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
*/
UplinkSocket::Message() << "SVINFO 6 6 0 :" << Anope::CurTime;
}
void SendClientIntroduction(User *u) anope_override
{
Anope::string modes = "+" + u->GetModes();
UplinkSocket::Message(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) anope_override
{
UplinkSocket::Message(Me) << "ENCAP " << u->server->GetName() << " RSFNC " << u->GetUID()
<< " " << newnick << " " << when << " " << u->timestamp;
}
void SendSVSHold(const Anope::string &nick, time_t delay) anope_override
{
UplinkSocket::Message(Me) << "ENCAP * NICKDELAY " << delay << " " << nick;
}
void SendSVSHoldDel(const Anope::string &nick) anope_override
{
UplinkSocket::Message(Me) << "ENCAP * NICKDELAY 0 " << nick;
}
void SendVhost(User *u, const Anope::string &ident, const Anope::string &host) anope_override
{
UplinkSocket::Message(Me) << "ENCAP * CHGHOST " << u->GetUID() << " :" << host;
}
void SendVhostDel(User *u) anope_override
{
this->SendVhost(u, "", u->host);
}
};
struct IRCDMessageEncap : IRCDMessage
{
IRCDMessageEncap(Module *creator) : IRCDMessage(creator, "ENCAP", 3) { SetFlag(IRCDMESSAGE_SOFT_LIMIT);}
void Run(MessageSource &source, const std::vector<Anope::string> &params) anope_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")
{
NickCore *nc = NickCore::Find(params[2]);
if (!nc)
return;
u->Login(nc);
}
// Received: :42XAAAAAE ENCAP * CERTFP :3f122a9cc7811dbad3566bf2cec3009007c0868f
if (params[1] == "CERTFP")
{
u->fingerprint = params[2];
FOREACH_MOD(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).
*
* Elemental only accepts messages from SASL agents; these must have umode +S
*/
if (params[1] == "SASL" && sasl && params.size() == 6)
{
class ElementalSASLIdentifyRequest : public IdentifyRequest
{
Anope::string uid;
MessageSource msource;
public:
ElementalSASLIdentifyRequest(Module *m, MessageSource &source_, const Anope::string &id, const Anope::string &acc, const Anope::string &pass) : IdentifyRequest(m, acc, pass), uid(id), msource(source_) { }
void OnSuccess() anope_override
{
BotInfo *NickServ = Config->GetClient("NickServ");
if (!NickServ)
return;
/* SVSLOGIN
* parameters: target, new nick, new username, new visible hostname, new login name
* Sent after successful SASL authentication.
* The target is a UID, typically an unregistered one.
* Any of the "new" parameters can be '*' to leave the corresponding field
* unchanged. The new login name can be '0' to log the user out.
* If the UID is registered on the network, a SIGNON with the changes will be
* broadcast, otherwise the changes will be stored, to be used when registration
* completes.
*/
UplinkSocket::Message(Me) << "ENCAP " << msource.GetName() << " SVSLOGIN " << this->uid << " * * * " << this->GetAccount();
UplinkSocket::Message(Me) << "ENCAP " << msource.GetName() << " SASL " << NickServ->GetUID() << " " << this->uid << " D S";
}
void OnFail() anope_override
{
BotInfo *NickServ = Config->GetClient("NickServ");
if (!NickServ)
return;
UplinkSocket::Message(Me) << "ENCAP " << msource.GetName() << " SASL " << NickServ->GetUID() << " " << this->uid << " " << " D F";
Log(NickServ) << "A user failed to identify for account " << this->GetAccount() << " using SASL";
}
};
if (params[4] == "S")
{
BotInfo *NickServ = Config->GetClient("NickServ");
if (!NickServ)
return;
if (params[5] == "PLAIN")
UplinkSocket::Message(Me) << "ENCAP " << source.GetName() << " SASL " << NickServ->GetUID() << " " << params[2] << " C +";
else
UplinkSocket::Message(Me) << "ENCAP " << source.GetName() << " SASL " << NickServ->GetUID() << " " << params[2] << " D F";
}
else if (params[4] == "C")
{
Anope::string decoded;
Anope::B64Decode(params[5], decoded);
size_t p = decoded.find('\0');
if (p == Anope::string::npos)
return;
decoded = decoded.substr(p + 1);
p = decoded.find('\0');
if (p == Anope::string::npos)
return;
Anope::string acc = decoded.substr(0, p),
pass = decoded.substr(p + 1);
if (acc.empty() || pass.empty())
return;
IdentifyRequest *req = new ElementalSASLIdentifyRequest(this->owner, source, params[2], acc, pass);
FOREACH_MOD(OnCheckAuthentication, (NULL, req));
req->Dispatch();
}
}
}
};
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
* :<SID> EUID <NICK> <HOPS> <TS> +<UMODE> <USERNAME> <VHOST> <IP> <UID> <REALHOST> <ACCOUNT> :<GECOS>
* 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<Anope::string> &params) anope_override
{
NickAlias *na = NULL;
if (params[9] != "*")
na = NickAlias::Find(params[9]);
new User(params[0], params[4], params[8], params[5], params[6], source.GetServer(), params[10], params[2].is_pos_number_only() ? convertTo<time_t>(params[2]) : Anope::CurTime, params[3], params[7], na ? *na->nc : NULL);
}
};
// we cant 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<Anope::string> &params) anope_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 cant 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<Anope::string> &params) anope_override
{
// UplinkSID is used in IRCDMessageServer
UplinkSID = params[3];
}
};
class ProtoElemental : public Module
{
Module *m_ratbox;
ElementalProto 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;
void AddModes()
{
/* Add user modes */
ModeManager::AddUserMode(new UserMode("NOFORWARD", 'Q'));
ModeManager::AddUserMode(new UserMode("REGPRIV", 'R'));
ModeManager::AddUserMode(new UserModeOperOnly("OPERWALLS", 'z'));
ModeManager::AddUserMode(new UserModeNoone("SSL", 'Z'));
/* b/e/I */
ModeManager::AddChannelMode(new ChannelModeList("QUIET", 'q'));
/* Add channel modes */
ModeManager::AddChannelMode(new ChannelMode("BLOCKCOLOR", 'c'));
ModeManager::AddChannelMode(new ChannelMode("NOCTCP", 'C'));
ModeManager::AddChannelMode(new ChannelModeParam("REDIRECT", 'f'));
ModeManager::AddChannelMode(new ChannelMode("ALLOWFORWARD", 'F'));
ModeManager::AddChannelMode(new ChannelMode("ALLINVITE", 'g'));
ModeManager::AddChannelMode(new ChannelModeParam("JOINFLOOD", 'j'));
ModeManager::AddChannelMode(new ChannelModeLargeBan("LBAN", 'L'));
ModeManager::AddChannelMode(new ChannelMode("PERM", 'P'));
ModeManager::AddChannelMode(new ChannelMode("NOFORWARD", 'Q'));
ModeManager::AddChannelMode(new ChannelMode("OPMODERATED", 'z'));
/* Add status 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));
}
public:
ProtoElemental(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, PROTOCOL | VENDOR),
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");
if (!ratbox)
throw ModuleException("No protocol interface for ratbox");
this->AddModes();
}
~ProtoElemental()
{
m_ratbox = ModuleManager::FindModule("ratbox");
ModuleManager::UnloadModule(m_ratbox, NULL);
}
void OnReload(Configuration::Conf *conf) anope_override
{
use_server_side_mlock = conf->GetModule(this)->Get<bool>("use_server_side_mlock");
sasl = conf->GetModule(this)->Get<bool>("sasl");
}
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") > 0)
{
Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "");
UplinkSocket::Message(Me) << "MLOCK " << static_cast<long>(c->creation_time) << " " << c->ci->name << " " << modes;
}
}
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") > 0)
{
Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "") + cm->mchar;
UplinkSocket::Message(Me) << "MLOCK " << static_cast<long>(ci->c->creation_time) << " " << ci->name << " " << 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") > 0)
{
Anope::string modes = modelocks->GetMLockAsString(false).replace_all_cs("+", "").replace_all_cs("-", "").replace_all_cs(cm->mchar, "");
UplinkSocket::Message(Me) << "MLOCK " << static_cast<long>(ci->c->creation_time) << " " << ci->name << " " << modes;
}
return EVENT_CONTINUE;
}
};
MODULE_INIT(ProtoElemental)
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