1 /***************************************************************************
2 * Copyright (C) 2005-2016 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
21 #include "coresessioneventprocessor.h"
23 #include "coreirclisthelper.h"
24 #include "corenetwork.h"
25 #include "coresession.h"
26 #include "coretransfer.h"
27 #include "coretransfermanager.h"
28 #include "ctcpevent.h"
32 #include "messageevent.h"
37 # include "keyevent.h"
43 CoreSessionEventProcessor::CoreSessionEventProcessor(CoreSession *session)
44 : BasicHandler("handleCtcp", session),
47 connect(coreSession(), SIGNAL(networkDisconnected(NetworkId)), this, SLOT(destroyNetsplits(NetworkId)));
48 connect(this, SIGNAL(newEvent(Event *)), coreSession()->eventManager(), SLOT(postEvent(Event *)));
52 bool CoreSessionEventProcessor::checkParamCount(IrcEvent *e, int minParams)
54 if (e->params().count() < minParams) {
55 if (e->type() == EventManager::IrcEventNumeric) {
56 qWarning() << "Command " << static_cast<IrcEventNumeric *>(e)->number() << " requires " << minParams << "params, got: " << e->params();
59 QString name = coreSession()->eventManager()->enumName(e->type());
60 qWarning() << qPrintable(name) << "requires" << minParams << "params, got:" << e->params();
69 void CoreSessionEventProcessor::tryNextNick(NetworkEvent *e, const QString &errnick, bool erroneus)
71 QStringList desiredNicks = coreSession()->identity(e->network()->identity())->nicks();
72 int nextNickIdx = desiredNicks.indexOf(errnick) + 1;
74 if (nextNickIdx > 0 && desiredNicks.size() > nextNickIdx) {
75 nextNick = desiredNicks[nextNickIdx];
79 // FIXME Make this an ErrorEvent or something like that, so it's translated in the client
80 MessageEvent *msgEvent = new MessageEvent(Message::Error, e->network(),
81 tr("No free and valid nicks in nicklist found. use: /nick <othernick> to continue"),
82 QString(), QString(), Message::None, e->timestamp());
83 emit newEvent(msgEvent);
87 nextNick = errnick + "_";
90 // FIXME Use a proper output event for this
91 coreNetwork(e)->putRawLine("NICK " + coreNetwork(e)->encodeServerString(nextNick));
95 void CoreSessionEventProcessor::processIrcEventNumeric(IrcEventNumeric *e)
97 switch (e->number()) {
98 // SASL authentication replies
99 // See: http://ircv3.net/specs/extensions/sasl-3.1.html
101 //case 900: // RPL_LOGGEDIN
102 //case 901: // RPL_LOGGEDOUT
103 // Don't use 900 or 901 for updating the local hostmask. Unreal 3.2 gives it as the IP address
104 // even when cloaked.
105 // Every other reply should result in moving on
106 // TODO Handle errors to stop connection if appropriate
107 case 902: // ERR_NICKLOCKED
108 case 903: // RPL_SASLSUCCESS
109 case 904: // ERR_SASLFAIL
110 case 905: // ERR_SASLTOOLONG
111 case 906: // ERR_SASLABORTED
112 case 907: // ERR_SASLALREADY
113 // Move on to the next capability
114 coreNetwork(e)->sendNextCap();
123 void CoreSessionEventProcessor::processIrcEventAuthenticate(IrcEvent *e)
125 if (!checkParamCount(e, 1))
128 if (e->params().at(0) != "+") {
129 qWarning() << "Invalid AUTHENTICATE" << e;
133 CoreNetwork *net = coreNetwork(e);
136 if (net->identityPtr()->sslCert().isNull()) {
138 QString construct = net->saslAccount();
139 construct.append(QChar(QChar::Null));
140 construct.append(net->saslAccount());
141 construct.append(QChar(QChar::Null));
142 construct.append(net->saslPassword());
143 QByteArray saslData = QByteArray(construct.toLatin1().toBase64());
144 saslData.prepend("AUTHENTICATE ");
145 net->putRawLine(saslData);
148 net->putRawLine("AUTHENTICATE +");
153 void CoreSessionEventProcessor::processIrcEventCap(IrcEvent *e)
155 // Handle capability negotiation
156 // See: http://ircv3.net/specs/core/capability-negotiation-3.2.html
157 // And: http://ircv3.net/specs/core/capability-negotiation-3.1.html
159 // All commands require at least 2 parameters
160 if (!checkParamCount(e, 2))
163 if (e->params().count() >= 2) {
164 CoreNetwork *coreNet = coreNetwork(e);
165 QString capCommand = e->params().at(1).trimmed().toUpper();
166 if (capCommand == "LS" || capCommand == "NEW") {
167 // Either we've gotten a list of capabilities, or new capabilities we may want
168 // Server: CAP * LS * :multi-prefix extended-join account-notify batch invite-notify tls
169 // Server: CAP * LS * :cap-notify server-time example.org/dummy-cap=dummyvalue example.org/second-dummy-cap
170 // Server: CAP * LS :userhost-in-names sasl=EXTERNAL,DH-AES,DH-BLOWFISH,ECDSA-NIST256P-CHALLENGE,PLAIN
171 bool capListFinished;
172 QStringList availableCaps;
173 if (e->params().count() == 4) {
174 // Middle of multi-line reply, ignore the asterisk
175 capListFinished = false;
176 availableCaps = e->params().at(3).split(' ');
179 capListFinished = true;
180 if (e->params().count() >= 3) {
181 // Some capabilities are specified, add them
182 availableCaps = e->params().at(2).split(' ');
184 // No capabilities available, add an empty list
185 availableCaps = QStringList();
188 // Sort capabilities before requesting for consistency among networks. This may avoid
189 // unexpected cases when some networks offer capabilities in a different order than
190 // others. It also looks nicer in logs. Not required.
191 availableCaps.sort();
192 // Store what capabilities are available
193 QString availableCapName, availableCapValue;
194 for (int i = 0; i < availableCaps.count(); ++i) {
195 // Capability may include values, e.g. CAP * LS :multi-prefix sasl=EXTERNAL
196 // Capability name comes before the first '='. If no '=' exists, this gets the
197 // whole string instead.
198 availableCapName = availableCaps[i].section('=', 0, 0).trimmed();
199 // Some capabilities include multiple key=value pairs in the listing,
200 // e.g. "sts=duration=31536000,port=6697"
201 // Include everything after the first equal sign as part of the value. If no '='
202 // exists, this gets an empty string.
203 availableCapValue = availableCaps[i].section('=', 1).trimmed();
204 // Only add the capability if it's non-empty
205 if (!availableCapName.isEmpty()) {
206 coreNet->addCap(availableCapName, availableCapValue);
210 // Begin capability requests when capability listing complete
212 coreNet->beginCapNegotiation();
213 } else if (capCommand == "ACK") {
214 // CAP ACK requires at least 3 parameters (no empty response allowed)
215 if (!checkParamCount(e, 3)) {
216 // If an invalid reply is sent, try to continue rather than getting stuck.
217 coreNet->sendNextCap();
221 // Server: CAP * ACK :multi-prefix sasl
222 // Got the capability we want, handle as needed.
223 // As only one capability is requested at a time, no need to split
224 QString acceptedCap = e->params().at(2).trimmed().toLower();
226 // Mark this cap as accepted
227 coreNet->acknowledgeCap(acceptedCap);
229 if (!coreNet->capsRequiringConfiguration.contains(acceptedCap)) {
230 // Some capabilities (e.g. SASL) require further messages to finish. If so, do NOT
231 // send the next capability; it will be handled elsewhere in CoreNetwork.
232 // Otherwise, move on to the next capability
233 coreNet->sendNextCap();
235 } else if (capCommand == "NAK" || capCommand == "DEL") {
236 // CAP NAK/DEL require at least 3 parameters (no empty response allowed)
237 if (!checkParamCount(e, 3)) {
238 if (capCommand == "NAK") {
239 // If an invalid reply is sent, try to continue rather than getting stuck. This
240 // only matters for denied caps, not removed caps.
241 coreNet->sendNextCap();
246 // Either something went wrong with this capability, or it is no longer supported
248 // Server: CAP * NAK :multi-prefix sasl
250 // Server: :irc.example.com CAP modernclient DEL :multi-prefix sasl
251 // CAP NAK and CAP DEL replies are always single-line
253 QStringList removedCaps;
254 removedCaps = e->params().at(2).split(' ');
256 // Store what capability was denied or removed
258 for (int i = 0; i < removedCaps.count(); ++i) {
259 removedCap = removedCaps[i].trimmed().toLower();
260 // Mark this cap as removed
261 coreNet->removeCap(removedCap);
264 if (capCommand == "NAK") {
265 // Continue negotiation only if this is the result of a denied cap, not a removed
267 coreNet->sendNextCap();
273 /* IRCv3 account-notify
274 * Log in: ":nick!user@host ACCOUNT accountname"
275 * Log out: ":nick!user@host ACCOUNT *" */
276 void CoreSessionEventProcessor::processIrcEventAccount(IrcEvent *e)
278 if (!checkParamCount(e, 1))
281 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
283 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
284 // As '*' is used internally to represent logged-out, no need to handle that differently.
285 ircuser->setAccount(e->params().at(0));
287 qDebug() << "Received account-notify data for unknown user" << e->prefix();
291 /* IRCv3 away-notify - ":nick!user@host AWAY [:message]" */
292 void CoreSessionEventProcessor::processIrcEventAway(IrcEvent *e)
294 if (!checkParamCount(e, 1))
296 // Don't use checkParamCount(e, 2) since the message is optional. Some servers respond in a way
297 // that it counts as two parameters, but we shouldn't rely on that.
299 // Nick is sent as part of parameters in order to split user/server decoding
300 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
302 // If two parameters are sent -and- the second parameter isn't empty, then user is away.
303 // Otherwise, mark them as not away.
304 if (e->params().count() >= 2 && !e->params().at(1).isEmpty()) {
305 ircuser->setAway(true);
306 ircuser->setAwayMessage(e->params().at(1));
308 ircuser->setAway(false);
311 qDebug() << "Received away-notify data for unknown user" << e->params().at(0);
315 /* IRCv3 chghost - ":nick!user@host CHGHOST newuser new.host.goes.here" */
316 void CoreSessionEventProcessor::processIrcEventChghost(IrcEvent *e)
318 if (!checkParamCount(e, 2))
321 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
323 // Update with new user/hostname information. setUser/setHost handles checking what
325 ircuser->setUser(e->params().at(0));
326 ircuser->setHost(e->params().at(1));
328 qDebug() << "Received chghost data for unknown user" << e->prefix();
332 void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e)
334 if (checkParamCount(e, 2)) {
335 e->network()->updateNickFromMask(e->prefix());
339 /* JOIN: ":<nick!user@host> JOIN <channel>" */
340 void CoreSessionEventProcessor::processIrcEventJoin(IrcEvent *e)
342 if (e->testFlag(EventManager::Fake)) // generated by handleEarlyNetsplitJoin
345 if (!checkParamCount(e, 1))
348 CoreNetwork *net = coreNetwork(e);
349 QString channel = e->params()[0];
350 IrcUser *ircuser = net->updateNickFromMask(e->prefix());
352 if (net->capEnabled(IrcCap::EXTENDED_JOIN)) {
353 if (e->params().count() < 3) {
354 // Some IRC servers don't send extended-join events in all situations. Rather than
355 // ignore the join entirely, treat it as a regular join with a debug-level log entry.
356 // See: https://github.com/inspircd/inspircd/issues/821
357 qDebug() << "extended-join requires 3 params, got:" << e->params() << ", handling as a "
360 // If logged in, :nick!user@host JOIN #channelname accountname :Real Name
361 // If logged out, :nick!user@host JOIN #channelname * :Real Name
362 // See: http://ircv3.net/specs/extensions/extended-join-3.1.html
363 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
364 // As '*' is used internally to represent logged-out, no need to handle that differently.
365 ircuser->setAccount(e->params()[1]);
366 // Update the user's real name, too
367 ircuser->setRealName(e->params()[2]);
370 // Else :nick!user@host JOIN #channelname
372 bool handledByNetsplit = false;
373 foreach(Netsplit* n, _netsplits.value(e->network())) {
374 handledByNetsplit = n->userJoined(e->prefix(), channel);
375 if (handledByNetsplit)
379 // If using away-notify, check new users. Works around buggy IRC servers
380 // forgetting to send :away messages for users who join channels when away.
381 if (net->capEnabled(IrcCap::AWAY_NOTIFY)) {
382 net->queueAutoWhoOneshot(ircuser->nick());
385 if (!handledByNetsplit)
386 ircuser->joinChannel(channel);
388 e->setFlag(EventManager::Netsplit);
390 if (net->isMe(ircuser)) {
391 net->setChannelJoined(channel);
393 net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
398 void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
400 if (checkParamCount(e, 2)) {
401 e->network()->updateNickFromMask(e->prefix());
402 IrcUser *victim = e->network()->ircUser(e->params().at(1));
404 victim->partChannel(e->params().at(0));
405 //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
411 void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
413 if (!checkParamCount(e, 2))
416 if (e->network()->isChannelName(e->params().first())) {
419 IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
421 // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
422 // anyways: we don't have a place to store the data --> discard the info.
426 QString modes = e->params()[1];
429 for (int c = 0; c < modes.length(); c++) {
430 if (modes[c] == '+') {
434 if (modes[c] == '-') {
439 if (e->network()->prefixModes().contains(modes[c])) {
440 // user channel modes (op, voice, etc...)
441 if (paramOffset < e->params().count()) {
442 IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
444 qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
448 bool handledByNetsplit = false;
449 QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
450 foreach(Netsplit* n, _netsplits.value(e->network())) {
451 handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
452 if (handledByNetsplit) {
453 n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
457 if (!handledByNetsplit)
458 channel->addUserMode(ircUser, QString(modes[c]));
461 channel->removeUserMode(ircUser, QString(modes[c]));
465 qWarning() << "Received MODE with too few parameters:" << e->params();
470 // regular channel modes
472 Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
473 if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
474 if (paramOffset < e->params().count()) {
475 value = e->params()[paramOffset];
478 qWarning() << "Received MODE with too few parameters:" << e->params();
484 channel->addChannelMode(modes[c], value);
486 channel->removeChannelMode(modes[c], value);
492 IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
493 QString modeString(e->params()[1]);
497 for (int c = 0; c < modeString.count(); c++) {
498 if (modeString[c] == '+') {
502 if (modeString[c] == '-') {
507 addModes += modeString[c];
509 removeModes += modeString[c];
511 if (!addModes.isEmpty())
512 ircUser->addUserModes(addModes);
513 if (!removeModes.isEmpty())
514 ircUser->removeUserModes(removeModes);
516 if (e->network()->isMe(ircUser)) {
517 coreNetwork(e)->updatePersistentModes(addModes, removeModes);
523 void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
525 if (checkParamCount(e, 1)) {
526 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
528 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
531 QString newnick = e->params().at(0);
532 QString oldnick = ircuser->nick();
534 // the order is cruicial
535 // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
536 // and remove the ircuser from the querybuffer leading to a wrong on/offline state
537 ircuser->setNick(newnick);
538 coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
543 void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
545 if (checkParamCount(e, 1)) {
546 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
548 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
551 QString channel = e->params().at(0);
552 ircuser->partChannel(channel);
553 if (e->network()->isMe(ircuser))
554 qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
559 void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
561 QString param = e->params().count() ? e->params().first() : QString();
563 // Take priority so this won't get stuck behind other queued messages.
564 coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param), true);
568 void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
570 // the server is supposed to send back what we passed as param. and we send a timestamp
571 // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks
572 if (checkParamCount(e, 2)) {
573 QString timestamp = e->params().at(1);
574 QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
575 if (sendTime.isValid())
576 e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
581 void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
583 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
588 if (e->params().count() > 0)
589 msg = e->params()[0];
592 if (Netsplit::isNetsplit(msg)) {
594 if (!_netsplits[e->network()].contains(msg)) {
595 n = new Netsplit(e->network(), this);
596 connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
597 connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
598 this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
599 connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
600 this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
601 connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
602 this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
603 _netsplits[e->network()].insert(msg, n);
606 n = _netsplits[e->network()][msg];
608 // add this user to the netsplit
609 n->userQuit(e->prefix(), ircuser->channels(), msg);
610 e->setFlag(EventManager::Netsplit);
612 // normal quit is handled in lateProcessIrcEventQuit()
616 void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
618 if (e->testFlag(EventManager::Netsplit))
621 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
629 void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
631 if (checkParamCount(e, 2)) {
632 e->network()->updateNickFromMask(e->prefix());
633 IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
635 channel->setTopic(e->params().at(1));
641 void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
643 if (!Cipher::neededFeaturesAvailable()) {
644 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Unable to perform key exchange, missing qca-ossl plugin."), e->prefix(), e->target(), Message::None, e->timestamp()));
647 CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
648 Cipher *c = net->cipher(e->target());
649 if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
652 if (e->exchangeType() == KeyEvent::Init) {
653 QByteArray pubKey = c->parseInitKeyX(e->key());
654 if (pubKey.isEmpty()) {
655 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Unable to parse the DH1080_INIT. Key exchange failed."), e->prefix(), e->target(), Message::None, e->timestamp()));
658 net->setCipherKey(e->target(), c->key());
659 emit newEvent(new MessageEvent(Message::Info, e->network(), tr("Your key is set and messages will be encrypted."), e->prefix(), e->target(), Message::None, e->timestamp()));
661 p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
662 net->putCmd("NOTICE", p);
665 if (c->parseFinishKeyX(e->key())) {
666 net->setCipherKey(e->target(), c->key());
667 emit newEvent(new MessageEvent(Message::Info, e->network(), tr("Your key is set and messages will be encrypted."), e->prefix(), e->target(), Message::None, e->timestamp()));
669 emit newEvent(new MessageEvent(Message::Info, e->network(), tr("Failed to parse DH1080_FINISH. Key exchange failed."), e->prefix(), e->target(), Message::None, e->timestamp()));
677 void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
679 e->network()->setCurrentServer(e->prefix());
680 e->network()->setMyNick(e->target());
685 // TODO Complete 005 handling, also use sensible defaults for non-sent stuff
686 void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
688 if (!checkParamCount(e, 1))
692 for (int i = 0; i < e->params().count() - 1; i++) {
693 QString key = e->params()[i].section("=", 0, 0);
694 QString value = e->params()[i].section("=", 1);
695 e->network()->addSupport(key, value);
698 /* determine our prefixes here to get an accurate result */
699 e->network()->determinePrefixes();
703 /* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
704 void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
706 // TODO: save information in network object
710 /* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
711 void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
713 // TODO: save information in network object
717 /* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
718 void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
720 // TODO: save information in network object
724 /* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
725 void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
727 // TODO: save information in network object
733 Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
735 "<nick> :<away message>"
737 Replies 352 and 315 paired are used to answer a WHO message.
740 Replies 314 and 369 are responses to a WHOWAS message.
744 /* RPL_AWAY - "<nick> :<away message>" */
745 void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
747 if (!checkParamCount(e, 2))
750 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
752 ircuser->setAway(true);
753 ircuser->setAwayMessage(e->params().at(1));
754 //ircuser->setLastAwayMessage(now);
759 /* RPL_UNAWAY - ":You are no longer marked as being away" */
760 void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
762 IrcUser *me = e->network()->me();
766 if (e->network()->autoAwayActive()) {
767 e->network()->setAutoAwayActive(false);
768 e->setFlag(EventManager::Silent);
773 /* RPL_NOWAWAY - ":You have been marked as being away" */
774 void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
776 IrcUser *me = e->network()->me();
782 /* RPL_WHOISSERVICE - "<user> is registered nick" */
783 void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
785 if (!checkParamCount(e, 1))
788 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
790 ircuser->setWhoisServiceReply(e->params().join(" "));
794 /* RPL_SUSERHOST - "<user> is available for help." */
795 void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
797 if (!checkParamCount(e, 1))
800 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
802 ircuser->setSuserHost(e->params().join(" "));
806 /* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
807 void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
809 if (!checkParamCount(e, 3))
812 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
814 ircuser->setUser(e->params().at(1));
815 ircuser->setHost(e->params().at(2));
816 ircuser->setRealName(e->params().last());
821 /* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
822 void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
824 if (!checkParamCount(e, 2))
827 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
829 ircuser->setServer(e->params().at(1));
833 /* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
834 void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
836 if (!checkParamCount(e, 1))
839 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
841 ircuser->setIrcOperator(e->params().last());
845 /* RPL_ENDOFWHO: "<name> :End of WHO list" */
846 void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
848 if (!checkParamCount(e, 1))
851 if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
852 e->setFlag(EventManager::Silent);
856 /* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
857 (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
858 void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
860 if (!checkParamCount(e, 2))
865 int idleSecs = e->params()[1].toInt();
866 if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
867 int logintime = e->params()[2].toInt();
868 loginTime = QDateTime::fromTime_t(logintime);
871 IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
873 ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
874 if (loginTime.isValid())
875 ircuser->setLoginTime(loginTime);
880 /* RPL_LIST - "<channel> <# visible> :<topic>" */
881 void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
883 if (!checkParamCount(e, 1))
887 quint32 userCount = 0;
890 switch (e->params().count()) {
892 topic = e->params()[2];
894 userCount = e->params()[1].toUInt();
896 channelName = e->params()[0];
900 if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
901 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
905 /* RPL_LISTEND ":End of LIST" */
906 void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
908 if (!checkParamCount(e, 1))
911 if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
912 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
916 /* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
917 void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
919 processIrcEventMode(e);
923 /* RPL_WHOISACCOUNT - "<nick> <account> :is authed as" */
924 void CoreSessionEventProcessor::processIrcEvent330(IrcEvent *e)
926 // Though the ":is authed as" remark should always be there, we should handle cases when it's
927 // not included, too.
928 if (!checkParamCount(e, 2))
931 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
933 ircuser->setAccount(e->params().at(1));
939 void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
941 if (!checkParamCount(e, 1))
944 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
946 chan->setTopic(QString());
951 void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
953 if (!checkParamCount(e, 2))
956 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
958 chan->setTopic(e->params()[1]);
962 /* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
963 ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
964 void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
966 if (!checkParamCount(e, 6))
969 QString channel = e->params()[0];
970 IrcUser *ircuser = e->network()->ircUser(e->params()[4]);
972 processWhoInformation(e->network(), channel, ircuser, e->params()[3], e->params()[1],
973 e->params()[2], e->params()[5], e->params().last().section(" ", 1));
976 // Check if channel name has a who in progress.
977 // If not, then check if user nick exists and has a who in progress.
978 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
979 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
980 e->setFlag(EventManager::Silent);
986 void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e)
988 if (!checkParamCount(e, 3))
991 // param[0] is either "=", "*" or "@" indicating a public, private or secret channel
992 // we don't use this information at the time beeing
993 QString channelname = e->params()[1];
995 IrcChannel *channel = e->network()->ircChannel(channelname);
997 qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname;
1004 // Cache result of multi-prefix to avoid unneeded casts and lookups with each iteration.
1005 bool _useCapMultiPrefix = coreNetwork(e)->capEnabled(IrcCap::MULTI_PREFIX);
1007 foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
1010 if (_useCapMultiPrefix) {
1011 // If multi-prefix is enabled, all modes will be sent in NAMES replies.
1012 // :hades.arpa 353 guest = #tethys :~&@%+aji &@Attila @+alyx +KindOne Argure
1013 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
1014 while (e->network()->prefixes().contains(nick[0])) {
1015 // Mode found in 1 left-most character, add it to the list.
1016 // Note: sending multiple modes may cause a warning in older clients.
1017 // In testing, the clients still seemed to function fine.
1018 mode.append(e->network()->prefixToMode(nick[0]));
1019 // Remove this mode from the nick
1020 nick = nick.remove(0, 1);
1022 } else if (e->network()->prefixes().contains(nick[0])) {
1023 // Multi-prefix is disabled and a mode prefix was found.
1024 mode = e->network()->prefixToMode(nick[0]);
1028 // If userhost-in-names capability is enabled, the following will be
1029 // in the form "nick!user@host" rather than "nick". This works without
1030 // special handling as the following use nickFromHost() as needed.
1031 // See: http://ircv3.net/specs/extensions/userhost-in-names-3.2.html
1037 channel->joinIrcUsers(nicks, modes);
1041 /* RPL_WHOSPCRPL: "<yournick> 152 #<channel> ~<ident> <host> <servname> <nick>
1042 ("H"/ "G") <account> :<realname>"
1043 <channel> is * if not specific to any channel
1044 <account> is * if not logged in
1045 Follows HexChat's usage of 'whox'
1046 See https://github.com/hexchat/hexchat/blob/c874a9525c9b66f1d5ddcf6c4107d046eba7e2c5/src/common/proto-irc.c#L750
1047 And http://faerion.sourceforge.net/doc/irc/whox.var*/
1048 void CoreSessionEventProcessor::processIrcEvent354(IrcEvent *e)
1050 // First only check if at least one parameter exists. Otherwise, it'll stop the result from
1051 // being shown if the user chooses different parameters.
1052 if (!checkParamCount(e, 1))
1055 if (e->params()[0].toUInt() != IrcCap::ACCOUNT_NOTIFY_WHOX_NUM) {
1056 // Ignore WHOX replies without expected number for we have no idea what fields are specified
1060 // Now we're fairly certain this is supposed to be an automated WHOX. Bail out if it doesn't
1061 // match what we require - 9 parameters.
1062 if (!checkParamCount(e, 9))
1065 QString channel = e->params()[1];
1066 IrcUser *ircuser = e->network()->ircUser(e->params()[5]);
1068 processWhoInformation(e->network(), channel, ircuser, e->params()[4], e->params()[2],
1069 e->params()[3], e->params()[6], e->params().last());
1070 // Don't use .section(" ", 1) with WHOX replies, for there's no hopcount to trim out
1072 // As part of IRCv3 account-notify, check account name
1073 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
1074 QString newAccount = e->params()[7];
1075 if (newAccount != "0") {
1076 // Account logged in, set account name
1077 ircuser->setAccount(newAccount);
1079 // Account logged out, set account name to logged-out
1080 ircuser->setAccount("*");
1084 // Check if channel name has a who in progress.
1085 // If not, then check if user nick exists and has a who in progress.
1086 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
1087 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
1088 e->setFlag(EventManager::Silent);
1093 void CoreSessionEventProcessor::processWhoInformation (Network *net, const QString &targetChannel, IrcUser *ircUser,
1094 const QString &server, const QString &user, const QString &host,
1095 const QString &awayStateAndModes, const QString &realname)
1097 ircUser->setUser(user);
1098 ircUser->setHost(host);
1099 ircUser->setServer(server);
1100 ircUser->setRealName(realname);
1102 bool away = awayStateAndModes.contains("G", Qt::CaseInsensitive);
1103 ircUser->setAway(away);
1105 if (net->capEnabled(IrcCap::MULTI_PREFIX)) {
1106 // If multi-prefix is enabled, all modes will be sent in WHO replies.
1107 // :kenny.chatspike.net 352 guest #test grawity broken.symlink *.chatspike.net grawity H@%+ :0 Mantas M.
1108 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
1109 QString uncheckedModes = awayStateAndModes;
1110 QString validModes = QString();
1111 while (!uncheckedModes.isEmpty()) {
1112 // Mode found in 1 left-most character, add it to the list
1113 if (net->prefixes().contains(uncheckedModes[0])) {
1114 validModes.append(net->prefixToMode(uncheckedModes[0]));
1116 // Remove this mode from the list of unchecked modes
1117 uncheckedModes = uncheckedModes.remove(0, 1);
1120 // Some IRC servers decide to not follow the spec, returning only -some- of the user
1121 // modes in WHO despite listing them all in NAMES. For now, assume it can only add
1122 // and not take away. *sigh*
1123 if (!validModes.isEmpty()) {
1124 if (targetChannel != "*") {
1125 // Channel-specific modes received, apply to given channel only
1126 IrcChannel *ircChan = net->ircChannel(targetChannel);
1128 // Do one mode at a time
1129 // TODO Better way of syncing this without breaking protocol?
1130 for (int i = 0; i < validModes.count(); ++i) {
1131 ircChan->addUserMode(ircUser, validModes.at(i));
1135 // Modes apply to the user everywhere
1136 ircUser->addUserModes(validModes);
1143 /* ERR_NOSUCHCHANNEL - "<channel name> :No such channel" */
1144 void CoreSessionEventProcessor::processIrcEvent403(IrcEventNumeric *e)
1146 // If this is the result of an AutoWho, hide it. It's confusing to show to the user.
1147 // Though the ":No such channel" remark should always be there, we should handle cases when it's
1148 // not included, too.
1149 if (!checkParamCount(e, 1))
1152 QString channelOrNick = e->params()[0];
1153 // Check if channel name has a who in progress.
1154 // If not, then check if user nick exists and has a who in progress.
1155 if (coreNetwork(e)->isAutoWhoInProgress(channelOrNick)) {
1156 qDebug() << "Channel/nick" << channelOrNick << "no longer exists during AutoWho, ignoring";
1157 e->setFlag(EventManager::Silent);
1161 /* ERR_ERRONEUSNICKNAME */
1162 void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
1164 if (!checkParamCount(e, 1))
1168 if (e->params().count() < 2) {
1169 // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
1171 // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
1172 // correct server reply:
1173 // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
1174 e->params().prepend(e->target());
1177 errnick = e->params()[0];
1179 tryNextNick(e, errnick, true /* erroneus */);
1183 /* ERR_NICKNAMEINUSE */
1184 void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
1186 if (!checkParamCount(e, 1))
1189 QString errnick = e->params().first();
1191 // if there is a problem while connecting to the server -> we handle it
1192 // but only if our connection has not been finished yet...
1193 if (!e->network()->currentServer().isEmpty())
1196 tryNextNick(e, errnick);
1200 /* ERR_UNAVAILRESOURCE */
1201 void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e)
1203 if (!checkParamCount(e, 1))
1206 QString errnick = e->params().first();
1208 // if there is a problem while connecting to the server -> we handle it
1209 // but only if our connection has not been finished yet...
1210 if (!e->network()->currentServer().isEmpty())
1213 if (!e->network()->isChannelName(errnick))
1214 tryNextNick(e, errnick);
1219 void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
1220 if(!checkParamCount(e, 1))
1226 /* Handle signals from Netsplit objects */
1228 void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
1229 const QString &channel,
1230 const QStringList &users,
1231 const QStringList &modes,
1232 const QString &quitMessage)
1234 IrcChannel *ircChannel = net->ircChannel(channel);
1238 QList<IrcUser *> ircUsers;
1239 QStringList newModes = modes;
1240 QStringList newUsers = users;
1242 foreach(const QString &user, users) {
1243 IrcUser *iu = net->ircUser(nickFromMask(user));
1245 ircUsers.append(iu);
1246 else { // the user already quit
1247 int idx = users.indexOf(user);
1248 newUsers.removeAt(idx);
1249 newModes.removeAt(idx);
1253 ircChannel->joinIrcUsers(ircUsers, newModes);
1254 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
1255 emit newEvent(event);
1259 void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
1261 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
1262 emit newEvent(event);
1263 foreach(QString user, users) {
1264 IrcUser *iu = net->ircUser(nickFromMask(user));
1271 void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
1273 IrcChannel *ircChannel = net->ircChannel(channel);
1275 qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
1278 QList<NetworkEvent *> events;
1279 QList<IrcUser *> ircUsers;
1280 QStringList newModes = modes;
1282 foreach(QString user, users) {
1283 IrcUser *iu = net->updateNickFromMask(user);
1285 ircUsers.append(iu);
1286 // fake event for scripts that consume join events
1287 events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
1290 newModes.removeAt(users.indexOf(user));
1293 ircChannel->joinIrcUsers(ircUsers, newModes);
1294 foreach(NetworkEvent *event, events) {
1295 event->setFlag(EventManager::Fake); // ignore this in here!
1296 emit newEvent(event);
1301 void CoreSessionEventProcessor::handleNetsplitFinished()
1303 Netsplit *n = qobject_cast<Netsplit *>(sender());
1305 QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
1306 splithash.remove(splithash.key(n));
1307 if (splithash.count())
1308 _netsplits[n->network()] = splithash;
1313 void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
1315 Network *net = coreSession()->network(netId);
1319 QHash<QString, Netsplit *> splits = _netsplits.take(net);
1324 /*******************************/
1325 /******** CTCP HANDLING ********/
1326 /*******************************/
1328 void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
1330 if (e->testFlag(EventManager::Self))
1331 return; // ignore ctcp events generated by user input
1333 if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
1336 handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
1340 void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
1342 // This handler is only there to avoid warnings for unknown CTCPs
1348 void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
1350 // This handler is only there to feed CLIENTINFO
1355 void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
1357 QStringList supportedHandlers;
1358 foreach(QString handler, providesHandlers())
1359 supportedHandlers << handler.toUpper();
1360 qSort(supportedHandlers);
1361 e->setReply(supportedHandlers.join(" "));
1365 // http://www.irchelp.org/irchelp/rfc/ctcpspec.html
1366 // http://en.wikipedia.org/wiki/Direct_Client-to-Client
1367 void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
1369 // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
1370 if (!Quassel::isOptionSet("enable-experimental-dcc")) {
1371 quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
1375 // normal: SEND <filename> <ip> <port> [<filesize>]
1376 // reverse: SEND <filename> <ip> 0 <filesize> <token>
1377 QStringList params = e->param().split(' ');
1378 if (params.count()) {
1379 QString cmd = params[0].toUpper();
1380 if (cmd == "SEND") {
1381 if (params.count() < 4) {
1382 qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
1385 QString filename = params[1];
1386 QHostAddress address;
1387 quint16 port = params[3].toUShort();
1389 QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
1390 if (numIp.contains(':')) { // IPv6
1391 if (!address.setAddress(numIp)) {
1392 qWarning() << "Invalid IPv6:" << numIp;
1397 address.setAddress(numIp.toUInt());
1400 if (port == 0) { // Reverse DCC is indicated by a 0 port
1401 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
1405 qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
1409 if (params.count() > 4) { // filesize is optional
1410 size = params[4].toULong();
1413 // TODO: check if target is the right thing to use for the partner
1414 CoreTransfer *transfer = new CoreTransfer(Transfer::Direction::Receive, e->target(), filename, address, port, size, this);
1415 coreSession()->signalProxy()->synchronize(transfer);
1416 coreSession()->transferManager()->addTransfer(transfer);
1419 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
1426 void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
1428 e->setReply(e->param().isNull() ? "" : e->param());
1432 void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
1434 e->setReply(QDateTime::currentDateTime().toString());
1438 void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
1440 e->setReply(QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
1441 .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().commitDate));