/***************************************************************************
- * Copyright (C) 2005-2015 by the Quassel Project *
+ * Copyright (C) 2005-2016 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
# include "keyevent.h"
#endif
+// IRCv3 capabilities
+#include "irccap.h"
+
CoreSessionEventProcessor::CoreSessionEventProcessor(CoreSession *session)
: BasicHandler("handleCtcp", session),
_coreSession(session)
switch (e->number()) {
// SASL authentication replies
// See: http://ircv3.net/specs/extensions/sasl-3.1.html
+
+ //case 900: // RPL_LOGGEDIN
+ //case 901: // RPL_LOGGEDOUT
+ // Don't use 900 or 901 for updating the local hostmask. Unreal 3.2 gives it as the IP address
+ // even when cloaked.
+ // Every other reply should result in moving on
// TODO Handle errors to stop connection if appropriate
+ case 902: // ERR_NICKLOCKED
case 903: // RPL_SASLSUCCESS
case 904: // ERR_SASLFAIL
case 905: // ERR_SASLTOOLONG
case 906: // ERR_SASLABORTED
case 907: // ERR_SASLALREADY
// Move on to the next capability
- sendNextCap(e->network());
+ coreNetwork(e)->sendNextCap();
break;
default:
#endif
}
-void CoreSessionEventProcessor::sendNextCap(Network *net)
-{
- CoreNetwork *coreNet = qobject_cast<CoreNetwork *>(net);
- if (coreNet->capNegotiationInProgress()) {
- // Request the next capability and remove it from the list
- // Handle one at a time so one capability failing won't NAK all of 'em
- coreNet->putRawLine(coreNet->serverEncode(QString("CAP REQ :%1").arg(coreNet->takeQueuedCap())));
- } else {
- // If SASL requested but not available, print a warning
- if (coreNet->networkInfo().useSasl && !coreNet->useCapSASL())
- emit newEvent(new MessageEvent(Message::Error, net, tr("SASL authentication not supported by server, continuing without"), QString(), QString(), Message::None, QDateTime::currentDateTimeUtc()));
-
- // No pending desired capabilities, end negotiation
- coreNet->putRawLine(coreNet->serverEncode(QString("CAP END")));
- emit newEvent(new MessageEvent(Message::Server, net, tr("Capability negotiation finished"), QString(), QString(), Message::None, QDateTime::currentDateTimeUtc()));
- }
-}
-
void CoreSessionEventProcessor::processIrcEventCap(IrcEvent *e)
{
// Handle capability negotiation
// And: http://ircv3.net/specs/core/capability-negotiation-3.1.html
if (e->params().count() >= 3) {
CoreNetwork *coreNet = coreNetwork(e);
- if (e->params().at(1).compare("LS", Qt::CaseInsensitive) == 0) {
+ QString capCommand = e->params().at(1).trimmed().toUpper();
+ if (capCommand == "LS" || capCommand == "NEW") {
+ // Either we've gotten a list of capabilities, or new capabilities we may want
// Server: CAP * LS * :multi-prefix extended-join account-notify batch invite-notify tls
// Server: CAP * LS * :cap-notify server-time example.org/dummy-cap=dummyvalue example.org/second-dummy-cap
// Server: CAP * LS :userhost-in-names sasl=EXTERNAL,DH-AES,DH-BLOWFISH,ECDSA-NIST256P-CHALLENGE,PLAIN
capListFinished = true;
availableCaps = e->params().at(2).split(' ');
}
- // We know what capabilities are available, request what we want.
+ // Store what capabilities are available
QStringList availableCapPair;
- bool queueCurrentCap;
for (int i = 0; i < availableCaps.count(); ++i) {
// Capability may include values, e.g. CAP * LS :multi-prefix sasl=EXTERNAL
availableCapPair = availableCaps[i].trimmed().split('=');
- queueCurrentCap = false;
- if (availableCapPair.at(0).startsWith("sasl")) {
- // Only request SASL if it's enabled
- if (coreNet->networkInfo().useSasl)
- queueCurrentCap = true;
- } else if (availableCapPair.at(0).startsWith("away-notify")) {
- // Always request these capabilities if available
- queueCurrentCap = true;
- }
- if (queueCurrentCap) {
- if(availableCapPair.count() >= 2)
- coreNet->queuePendingCap(availableCapPair.at(0).trimmed(), availableCapPair.at(1).trimmed());
- else
- coreNet->queuePendingCap(availableCapPair.at(0).trimmed());
+ if(availableCapPair.count() >= 2) {
+ coreNet->addCap(availableCapPair.at(0).trimmed().toLower(), availableCapPair.at(1).trimmed());
+ } else {
+ coreNet->addCap(availableCapPair.at(0).trimmed().toLower());
}
}
+
// Begin capability requests when capability listing complete
- if (capListFinished) {
- emit newEvent(new MessageEvent(Message::Server, e->network(), tr("Negotiating capabilities..."), QString(), QString(), Message::None, e->timestamp()));
- sendNextCap(coreNet);
- }
- } else if (e->params().at(1).compare("ACK", Qt::CaseInsensitive) == 0) {
+ if (capListFinished)
+ coreNet->beginCapNegotiation();
+ } else if (capCommand == "ACK") {
// Server: CAP * ACK :multi-prefix sasl
- // Got the capability we want, enable, handle as needed.
+ // Got the capability we want, handle as needed.
// As only one capability is requested at a time, no need to split
- // Lower-case the list to make later comparisons easier
- // Capability may include values, e.g. CAP * LS :multi-prefix sasl=EXTERNAL
- QStringList acceptedCap = e->params().at(2).trimmed().split('=');
+ QString acceptedCap = e->params().at(2).trimmed().toLower();
// Mark this cap as accepted
- if(acceptedCap.count() >= 2)
- coreNet->addCap(acceptedCap.at(0), acceptedCap.at(1));
- else
- coreNet->addCap(acceptedCap.at(0));
-
- // Handle special cases
- if (acceptedCap.at(0).startsWith("sasl")) {
- // Freenode (at least) sends "sasl " with a trailing space for some reason!
- // if the current identity has a cert set, use SASL EXTERNAL
- // FIXME use event
- // TODO If value of sasl capability is not empty, limit to accepted
-#ifdef HAVE_SSL
- if (!coreNet->identityPtr()->sslCert().isNull()) {
- coreNet->putRawLine(coreNet->serverEncode("AUTHENTICATE EXTERNAL"));
- } else {
-#endif
- // Only working with PLAIN atm, blowfish later
- coreNet->putRawLine(coreNet->serverEncode("AUTHENTICATE PLAIN"));
-#ifdef HAVE_SSL
- }
-#endif
- } else {
- // Special handling not needed, move on to next cap
- sendNextCap(coreNet);
+ coreNet->acknowledgeCap(acceptedCap);
+
+ if (!coreNet->capsRequiringConfiguration.contains(acceptedCap)) {
+ // Some capabilities (e.g. SASL) require further messages to finish. If so, do NOT
+ // send the next capability; it will be handled elsewhere in CoreNetwork.
+ // Otherwise, move on to the next capability
+ coreNet->sendNextCap();
+ }
+ } else if (capCommand == "NAK" || capCommand == "DEL") {
+ // Either something went wrong with this capability, or it is no longer supported
+ // > For CAP NAK
+ // Server: CAP * NAK :multi-prefix sasl
+ // > For CAP DEL
+ // Server: :irc.example.com CAP modernclient DEL :multi-prefix sasl
+ // CAP NAK and CAP DEL replies are always single-line
+
+ QStringList removedCaps;
+ removedCaps = e->params().at(2).split(' ');
+
+ // Store what capability was denied or removed
+ QString removedCap;
+ for (int i = 0; i < removedCaps.count(); ++i) {
+ removedCap = removedCaps[i].trimmed().toLower();
+ // Mark this cap as removed
+ coreNet->removeCap(removedCap);
+ }
+
+ if (capCommand == "NAK") {
+ // Continue negotiation when capability listing complete only if this is the result
+ // of a denied cap, not a removed cap
+ coreNet->sendNextCap();
}
- } else if (e->params().at(1).compare("NAK", Qt::CaseInsensitive) == 0) {
- // Something went wrong with this capability, disable, go to next cap
- // As only one capability is requested at a time, no need to split
- // Lower-case the list to make later comparisons easier
- QString deniedCap = e->params().at(2).trimmed();
- coreNet->removeCap(deniedCap);
- sendNextCap(coreNet);
}
}
}
+/* IRCv3 account-notify
+ * Log in: ":nick!user@host ACCOUNT accountname"
+ * Log out: ":nick!user@host ACCOUNT *" */
+void CoreSessionEventProcessor::processIrcEventAccount(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
+ if (ircuser) {
+ // FIXME Keep track of authed user account, requires adding support to ircuser.h/cpp
+ /*
+ if (e->params().at(0) != "*") {
+ // Account logged in
+ qDebug() << "account-notify:" << ircuser->nick() << "logged in to" << e->params().at(0);
+ } else {
+ // Account logged out
+ qDebug() << "account-notify:" << ircuser->nick() << "logged out";
+ }
+ */
+ } else {
+ qDebug() << "Received account-notify data for unknown user" << e->prefix();
+ }
+}
/* IRCv3 away-notify - ":nick!user@host AWAY [:message]" */
void CoreSessionEventProcessor::processIrcEventAway(IrcEvent *e)
QString channel = e->params()[0];
IrcUser *ircuser = net->updateNickFromMask(e->prefix());
+ if (net->capEnabled(IrcCap::EXTENDED_JOIN)) {
+ if (!checkParamCount(e, 3))
+ return;
+ // If logged in, :nick!user@host JOIN #channelname accountname :Real Name
+ // If logged out, :nick!user@host JOIN #channelname * :Real Name
+ // See: http://ircv3.net/specs/extensions/extended-join-3.1.html
+ // FIXME Keep track of authed user account, requires adding support to ircuser.h/cpp
+ ircuser->setRealName(e->params()[2]);
+ }
+ // Else :nick!user@host JOIN #channelname
+
bool handledByNetsplit = false;
foreach(Netsplit* n, _netsplits.value(e->network())) {
handledByNetsplit = n->userJoined(e->prefix(), channel);
// If using away-notify, check new users. Works around buggy IRC servers
// forgetting to send :away messages for users who join channels when away.
- if (coreNetwork(e)->useCapAwayNotify()) {
- coreNetwork(e)->queueAutoWhoOneshot(ircuser->nick());
+ if (net->capEnabled(IrcCap::AWAY_NOTIFY)) {
+ net->queueAutoWhoOneshot(ircuser->nick());
}
if (!handledByNetsplit)
ircuser->setUser(e->params()[1]);
ircuser->setHost(e->params()[2]);
- bool away = e->params()[5].startsWith("G");
+ bool away = e->params()[5].contains("G", Qt::CaseInsensitive);
ircuser->setAway(away);
ircuser->setServer(e->params()[3]);
ircuser->setRealName(e->params().last().section(" ", 1));
+
+ if (coreNetwork(e)->capEnabled(IrcCap::MULTI_PREFIX)) {
+ // If multi-prefix is enabled, all modes will be sent in WHO replies.
+ // :kenny.chatspike.net 352 guest #test grawity broken.symlink *.chatspike.net grawity H@%+ :0 Mantas M.
+ // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
+ QString uncheckedModes = e->params()[5];
+ QString validModes = QString();
+ while (!uncheckedModes.isEmpty()) {
+ // Mode found in 1 left-most character, add it to the list
+ if (e->network()->prefixes().contains(uncheckedModes[0])) {
+ validModes.append(e->network()->prefixToMode(uncheckedModes[0]));
+ }
+ // Remove this mode from the list of unchecked modes
+ uncheckedModes = uncheckedModes.remove(0, 1);
+ }
+
+ // Some IRC servers decide to not follow the spec, returning only -some- of the user
+ // modes in WHO despite listing them all in NAMES. For now, assume it can only add
+ // and not take away. *sigh*
+ if (!validModes.isEmpty()) {
+ if (channel != "*") {
+ // Channel-specific modes received, apply to given channel only
+ IrcChannel *ircChan = e->network()->ircChannel(channel);
+ if (ircChan) {
+ // Do one mode at a time
+ // TODO Better way of syncing this without breaking protocol?
+ for (int i = 0; i < validModes.count(); ++i) {
+ ircChan->addUserMode(ircuser, validModes.at(i));
+ }
+ }
+ } else {
+ // Modes apply to the user everywhere
+ ircuser->addUserModes(validModes);
+ }
+ }
+ }
}
// Check if channel name has a who in progress.
QStringList nicks;
QStringList modes;
+ // Cache result of multi-prefix to avoid unneeded casts and lookups with each iteration.
+ bool _useCapMultiPrefix = coreNetwork(e)->capEnabled(IrcCap::MULTI_PREFIX);
+
foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
QString mode;
- if (e->network()->prefixes().contains(nick[0])) {
+ if (_useCapMultiPrefix) {
+ // If multi-prefix is enabled, all modes will be sent in NAMES replies.
+ // :hades.arpa 353 guest = #tethys :~&@%+aji &@Attila @+alyx +KindOne Argure
+ // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
+ while (e->network()->prefixes().contains(nick[0])) {
+ // Mode found in 1 left-most character, add it to the list.
+ // Note: sending multiple modes may cause a warning in older clients.
+ // In testing, the clients still seemed to function fine.
+ mode.append(e->network()->prefixToMode(nick[0]));
+ // Remove this mode from the nick
+ nick = nick.remove(0, 1);
+ }
+ } else if (e->network()->prefixes().contains(nick[0])) {
+ // Multi-prefix is disabled and a mode prefix was found.
mode = e->network()->prefixToMode(nick[0]);
nick = nick.mid(1);
}
+ // If userhost-in-names capability is enabled, the following will be
+ // in the form "nick!user@host" rather than "nick". This works without
+ // special handling as the following use nickFromHost() as needed.
+ // See: http://ircv3.net/specs/extensions/userhost-in-names-3.2.html
+
nicks << nick;
modes << mode;
}
}
// TODO: check if target is the right thing to use for the partner
- CoreTransfer *transfer = new CoreTransfer(Transfer::Receive, e->target(), filename, address, port, size, this);
+ CoreTransfer *transfer = new CoreTransfer(Transfer::Direction::Receive, e->target(), filename, address, port, size, this);
coreSession()->signalProxy()->synchronize(transfer);
coreSession()->transferManager()->addTransfer(transfer);
}
void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
{
e->setReply(QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
- .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().buildDate));
+ .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().commitDate));
}