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 CoreNetwork *coreNet = coreNetwork(e);
164 QString capCommand = e->params().at(1).trimmed().toUpper();
165 if (capCommand == "LS" || capCommand == "NEW") {
166 // Either we've gotten a list of capabilities, or new capabilities we may want
167 // Server: CAP * LS * :multi-prefix extended-join account-notify batch invite-notify tls
168 // Server: CAP * LS * :cap-notify server-time example.org/dummy-cap=dummyvalue example.org/second-dummy-cap
169 // Server: CAP * LS :userhost-in-names sasl=EXTERNAL,DH-AES,DH-BLOWFISH,ECDSA-NIST256P-CHALLENGE,PLAIN
170 bool capListFinished;
171 QStringList availableCaps;
172 if (e->params().count() == 4) {
173 // Middle of multi-line reply, ignore the asterisk
174 capListFinished = false;
175 availableCaps = e->params().at(3).split(' ');
178 capListFinished = true;
179 if (e->params().count() >= 3) {
180 // Some capabilities are specified, add them
181 availableCaps = e->params().at(2).split(' ');
183 // No capabilities available, add an empty list
184 availableCaps = QStringList();
187 // Sort capabilities before requesting for consistency among networks. This may avoid
188 // unexpected cases when some networks offer capabilities in a different order than
189 // others. It also looks nicer in logs. Not required.
190 availableCaps.sort();
191 // Store what capabilities are available
192 QString availableCapName, availableCapValue;
193 for (int i = 0; i < availableCaps.count(); ++i) {
194 // Capability may include values, e.g. CAP * LS :multi-prefix sasl=EXTERNAL
195 // Capability name comes before the first '='. If no '=' exists, this gets the
196 // whole string instead.
197 availableCapName = availableCaps[i].section('=', 0, 0).trimmed();
198 // Some capabilities include multiple key=value pairs in the listing,
199 // e.g. "sts=duration=31536000,port=6697"
200 // Include everything after the first equal sign as part of the value. If no '='
201 // exists, this gets an empty string.
202 availableCapValue = availableCaps[i].section('=', 1).trimmed();
203 // Only add the capability if it's non-empty
204 if (!availableCapName.isEmpty()) {
205 coreNet->addCap(availableCapName, availableCapValue);
209 // Begin capability requests when capability listing complete
211 coreNet->beginCapNegotiation();
212 } else if (capCommand == "ACK") {
213 // CAP ACK requires at least 3 parameters (no empty response allowed)
214 if (!checkParamCount(e, 3)) {
215 // If an invalid reply is sent, try to continue rather than getting stuck.
216 coreNet->sendNextCap();
220 // Server: CAP * ACK :multi-prefix sasl
221 // Got the capabilities we want, handle as needed.
222 QStringList acceptedCaps;
223 acceptedCaps = e->params().at(2).split(' ');
225 // Store what capability was acknowledged
228 // Keep track of whether or not a capability requires further configuration. Due to queuing
229 // logic in CoreNetwork::queueCap(), this shouldn't ever happen when more than one
230 // capability is requested, but it's better to handle edge cases or faulty servers.
231 bool capsRequireConfiguration = false;
233 for (int i = 0; i < acceptedCaps.count(); ++i) {
234 acceptedCap = acceptedCaps[i].trimmed().toLower();
235 // Mark this cap as accepted
236 coreNet->acknowledgeCap(acceptedCap);
237 if (!capsRequireConfiguration &&
238 coreNet->capsRequiringConfiguration.contains(acceptedCap)) {
239 capsRequireConfiguration = true;
240 // Some capabilities (e.g. SASL) require further messages to finish. If so, do NOT
241 // send the next capability; it will be handled elsewhere in CoreNetwork.
242 // Otherwise, allow moving on to the next capability.
246 if (!capsRequireConfiguration) {
247 // No additional configuration required, move on to the next capability
248 coreNet->sendNextCap();
250 } else if (capCommand == "NAK" || capCommand == "DEL") {
251 // CAP NAK/DEL require at least 3 parameters (no empty response allowed)
252 if (!checkParamCount(e, 3)) {
253 if (capCommand == "NAK") {
254 // If an invalid reply is sent, try to continue rather than getting stuck. This
255 // only matters for denied caps, not removed caps.
256 coreNet->sendNextCap();
261 // Either something went wrong with the capabilities, or they are no longer supported
263 // Server: CAP * NAK :multi-prefix sasl
265 // Server: :irc.example.com CAP modernclient DEL :multi-prefix sasl
266 // CAP NAK and CAP DEL replies are always single-line
268 QStringList removedCaps;
269 removedCaps = e->params().at(2).split(' ');
271 // Store the capabilities that were denied or removed
273 for (int i = 0; i < removedCaps.count(); ++i) {
274 removedCap = removedCaps[i].trimmed().toLower();
275 // Mark this cap as removed.
276 // For CAP DEL, removes it from use.
277 // For CAP NAK when received before negotiation enabled these capabilities, removeCap()
278 // should do nothing. This merely guards against non-spec servers sending an
279 // unsolicited CAP ACK then later removing that capability.
280 coreNet->removeCap(removedCap);
283 if (capCommand == "NAK") {
284 // Continue negotiation only if this is the result of denied caps, not removed caps
285 if (removedCaps.count() > 1) {
286 // We've received a CAP NAK reply to multiple capabilities at once. Unfortunately,
287 // we don't know which capability failed and which ones are valid to re-request, so
288 // individually retry each capability from the failed bundle.
289 // See CoreNetwork::retryCapsIndividually() for more details.
290 coreNet->retryCapsIndividually();
291 // Still need to call sendNextCap() to carry on.
293 // Carry on with negotiation
294 coreNet->sendNextCap();
299 /* IRCv3 account-notify
300 * Log in: ":nick!user@host ACCOUNT accountname"
301 * Log out: ":nick!user@host ACCOUNT *" */
302 void CoreSessionEventProcessor::processIrcEventAccount(IrcEvent *e)
304 if (!checkParamCount(e, 1))
307 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
309 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
310 // As '*' is used internally to represent logged-out, no need to handle that differently.
311 ircuser->setAccount(e->params().at(0));
313 qDebug() << "Received account-notify data for unknown user" << e->prefix();
317 /* IRCv3 away-notify - ":nick!user@host AWAY [:message]" */
318 void CoreSessionEventProcessor::processIrcEventAway(IrcEvent *e)
320 if (!checkParamCount(e, 1))
322 // Don't use checkParamCount(e, 2) since the message is optional. Some servers respond in a way
323 // that it counts as two parameters, but we shouldn't rely on that.
325 // Nick is sent as part of parameters in order to split user/server decoding
326 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
328 // If two parameters are sent -and- the second parameter isn't empty, then user is away.
329 // Otherwise, mark them as not away.
330 if (e->params().count() >= 2 && !e->params().at(1).isEmpty()) {
331 ircuser->setAway(true);
332 ircuser->setAwayMessage(e->params().at(1));
334 ircuser->setAway(false);
337 qDebug() << "Received away-notify data for unknown user" << e->params().at(0);
341 /* IRCv3 chghost - ":nick!user@host CHGHOST newuser new.host.goes.here" */
342 void CoreSessionEventProcessor::processIrcEventChghost(IrcEvent *e)
344 if (!checkParamCount(e, 2))
347 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
349 // Update with new user/hostname information. setUser/setHost handles checking what
351 ircuser->setUser(e->params().at(0));
352 ircuser->setHost(e->params().at(1));
354 qDebug() << "Received chghost data for unknown user" << e->prefix();
358 void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e)
360 if (checkParamCount(e, 2)) {
361 e->network()->updateNickFromMask(e->prefix());
365 /* JOIN: ":<nick!user@host> JOIN <channel>" */
366 void CoreSessionEventProcessor::processIrcEventJoin(IrcEvent *e)
368 if (e->testFlag(EventManager::Fake)) // generated by handleEarlyNetsplitJoin
371 if (!checkParamCount(e, 1))
374 CoreNetwork *net = coreNetwork(e);
375 QString channel = e->params()[0];
376 IrcUser *ircuser = net->updateNickFromMask(e->prefix());
378 if (net->capEnabled(IrcCap::EXTENDED_JOIN)) {
379 if (e->params().count() < 3) {
380 // Some IRC servers don't send extended-join events in all situations. Rather than
381 // ignore the join entirely, treat it as a regular join with a debug-level log entry.
382 // See: https://github.com/inspircd/inspircd/issues/821
383 qDebug() << "extended-join requires 3 params, got:" << e->params() << ", handling as a "
386 // If logged in, :nick!user@host JOIN #channelname accountname :Real Name
387 // If logged out, :nick!user@host JOIN #channelname * :Real Name
388 // See: http://ircv3.net/specs/extensions/extended-join-3.1.html
389 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
390 // As '*' is used internally to represent logged-out, no need to handle that differently.
391 ircuser->setAccount(e->params()[1]);
392 // Update the user's real name, too
393 ircuser->setRealName(e->params()[2]);
396 // Else :nick!user@host JOIN #channelname
398 bool handledByNetsplit = false;
399 foreach(Netsplit* n, _netsplits.value(e->network())) {
400 handledByNetsplit = n->userJoined(e->prefix(), channel);
401 if (handledByNetsplit)
405 // If using away-notify, check new users. Works around buggy IRC servers
406 // forgetting to send :away messages for users who join channels when away.
407 if (net->capEnabled(IrcCap::AWAY_NOTIFY)) {
408 net->queueAutoWhoOneshot(ircuser->nick());
411 if (!handledByNetsplit)
412 ircuser->joinChannel(channel);
414 e->setFlag(EventManager::Netsplit);
416 if (net->isMe(ircuser)) {
417 net->setChannelJoined(channel);
419 net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
424 void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
426 if (checkParamCount(e, 2)) {
427 e->network()->updateNickFromMask(e->prefix());
428 IrcUser *victim = e->network()->ircUser(e->params().at(1));
430 victim->partChannel(e->params().at(0));
431 //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
437 void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
439 if (!checkParamCount(e, 2))
442 if (e->network()->isChannelName(e->params().first())) {
445 IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
447 // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
448 // anyways: we don't have a place to store the data --> discard the info.
452 QString modes = e->params()[1];
455 for (int c = 0; c < modes.length(); c++) {
456 if (modes[c] == '+') {
460 if (modes[c] == '-') {
465 if (e->network()->prefixModes().contains(modes[c])) {
466 // user channel modes (op, voice, etc...)
467 if (paramOffset < e->params().count()) {
468 IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
470 qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
474 bool handledByNetsplit = false;
475 QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
476 foreach(Netsplit* n, _netsplits.value(e->network())) {
477 handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
478 if (handledByNetsplit) {
479 n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
483 if (!handledByNetsplit)
484 channel->addUserMode(ircUser, QString(modes[c]));
487 channel->removeUserMode(ircUser, QString(modes[c]));
491 qWarning() << "Received MODE with too few parameters:" << e->params();
496 // regular channel modes
498 Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
499 if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
500 if (paramOffset < e->params().count()) {
501 value = e->params()[paramOffset];
504 qWarning() << "Received MODE with too few parameters:" << e->params();
510 channel->addChannelMode(modes[c], value);
512 channel->removeChannelMode(modes[c], value);
518 IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
519 QString modeString(e->params()[1]);
523 for (int c = 0; c < modeString.count(); c++) {
524 if (modeString[c] == '+') {
528 if (modeString[c] == '-') {
533 addModes += modeString[c];
535 removeModes += modeString[c];
537 if (!addModes.isEmpty())
538 ircUser->addUserModes(addModes);
539 if (!removeModes.isEmpty())
540 ircUser->removeUserModes(removeModes);
542 if (e->network()->isMe(ircUser)) {
543 coreNetwork(e)->updatePersistentModes(addModes, removeModes);
549 void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
551 if (checkParamCount(e, 1)) {
552 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
554 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
557 QString newnick = e->params().at(0);
558 QString oldnick = ircuser->nick();
560 // the order is cruicial
561 // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
562 // and remove the ircuser from the querybuffer leading to a wrong on/offline state
563 ircuser->setNick(newnick);
564 coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
569 void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
571 if (checkParamCount(e, 1)) {
572 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
574 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
577 QString channel = e->params().at(0);
578 ircuser->partChannel(channel);
579 if (e->network()->isMe(ircuser))
580 qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
585 void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
587 QString param = e->params().count() ? e->params().first() : QString();
589 // Take priority so this won't get stuck behind other queued messages.
590 coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param), true);
594 void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
596 // the server is supposed to send back what we passed as param. and we send a timestamp
597 // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks
598 if (checkParamCount(e, 2)) {
599 QString timestamp = e->params().at(1);
600 QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
601 if (sendTime.isValid())
602 e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
607 void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
609 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
614 if (e->params().count() > 0)
615 msg = e->params()[0];
618 if (Netsplit::isNetsplit(msg)) {
620 if (!_netsplits[e->network()].contains(msg)) {
621 n = new Netsplit(e->network(), this);
622 connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
623 connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
624 this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
625 connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
626 this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
627 connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
628 this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
629 _netsplits[e->network()].insert(msg, n);
632 n = _netsplits[e->network()][msg];
634 // add this user to the netsplit
635 n->userQuit(e->prefix(), ircuser->channels(), msg);
636 e->setFlag(EventManager::Netsplit);
638 // normal quit is handled in lateProcessIrcEventQuit()
642 void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
644 if (e->testFlag(EventManager::Netsplit))
647 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
655 void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
657 if (checkParamCount(e, 2)) {
658 e->network()->updateNickFromMask(e->prefix());
659 IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
661 channel->setTopic(e->params().at(1));
667 void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
669 if (!Cipher::neededFeaturesAvailable()) {
670 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()));
673 CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
674 Cipher *c = net->cipher(e->target());
675 if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
678 if (e->exchangeType() == KeyEvent::Init) {
679 QByteArray pubKey = c->parseInitKeyX(e->key());
680 if (pubKey.isEmpty()) {
681 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()));
684 net->setCipherKey(e->target(), c->key());
685 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()));
687 p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
688 net->putCmd("NOTICE", p);
691 if (c->parseFinishKeyX(e->key())) {
692 net->setCipherKey(e->target(), c->key());
693 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()));
695 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()));
703 void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
705 e->network()->setCurrentServer(e->prefix());
706 e->network()->setMyNick(e->target());
711 // TODO Complete 005 handling, also use sensible defaults for non-sent stuff
712 void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
714 if (!checkParamCount(e, 1))
718 for (int i = 0; i < e->params().count() - 1; i++) {
719 QString key = e->params()[i].section("=", 0, 0);
720 QString value = e->params()[i].section("=", 1);
721 e->network()->addSupport(key, value);
724 /* determine our prefixes here to get an accurate result */
725 e->network()->determinePrefixes();
729 /* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
730 void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
732 // TODO: save information in network object
736 /* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
737 void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
739 // TODO: save information in network object
743 /* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
744 void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
746 // TODO: save information in network object
750 /* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
751 void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
753 // TODO: save information in network object
759 Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
761 "<nick> :<away message>"
763 Replies 352 and 315 paired are used to answer a WHO message.
766 Replies 314 and 369 are responses to a WHOWAS message.
770 /* RPL_AWAY - "<nick> :<away message>" */
771 void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
773 if (!checkParamCount(e, 2))
776 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
778 ircuser->setAway(true);
779 ircuser->setAwayMessage(e->params().at(1));
780 //ircuser->setLastAwayMessage(now);
785 /* RPL_UNAWAY - ":You are no longer marked as being away" */
786 void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
788 IrcUser *me = e->network()->me();
792 if (e->network()->autoAwayActive()) {
793 e->network()->setAutoAwayActive(false);
794 e->setFlag(EventManager::Silent);
799 /* RPL_NOWAWAY - ":You have been marked as being away" */
800 void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
802 IrcUser *me = e->network()->me();
808 /* RPL_WHOISSERVICE - "<user> is registered nick" */
809 void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
811 if (!checkParamCount(e, 1))
814 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
816 ircuser->setWhoisServiceReply(e->params().join(" "));
820 /* RPL_SUSERHOST - "<user> is available for help." */
821 void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
823 if (!checkParamCount(e, 1))
826 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
828 ircuser->setSuserHost(e->params().join(" "));
832 /* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
833 void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
835 if (!checkParamCount(e, 3))
838 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
840 ircuser->setUser(e->params().at(1));
841 ircuser->setHost(e->params().at(2));
842 ircuser->setRealName(e->params().last());
847 /* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
848 void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
850 if (!checkParamCount(e, 2))
853 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
855 ircuser->setServer(e->params().at(1));
859 /* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
860 void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
862 if (!checkParamCount(e, 1))
865 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
867 ircuser->setIrcOperator(e->params().last());
871 /* RPL_ENDOFWHO: "<name> :End of WHO list" */
872 void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
874 if (!checkParamCount(e, 1))
877 if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
878 e->setFlag(EventManager::Silent);
882 /* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
883 (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
884 void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
886 if (!checkParamCount(e, 2))
891 int idleSecs = e->params()[1].toInt();
892 if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
893 int logintime = e->params()[2].toInt();
894 loginTime = QDateTime::fromTime_t(logintime);
897 IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
899 ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
900 if (loginTime.isValid())
901 ircuser->setLoginTime(loginTime);
906 /* RPL_LIST - "<channel> <# visible> :<topic>" */
907 void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
909 if (!checkParamCount(e, 1))
913 quint32 userCount = 0;
916 switch (e->params().count()) {
918 topic = e->params()[2];
920 userCount = e->params()[1].toUInt();
922 channelName = e->params()[0];
926 if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
927 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
931 /* RPL_LISTEND ":End of LIST" */
932 void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
934 if (!checkParamCount(e, 1))
937 if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
938 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
942 /* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
943 void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
945 processIrcEventMode(e);
949 /* RPL_WHOISACCOUNT - "<nick> <account> :is authed as" */
950 void CoreSessionEventProcessor::processIrcEvent330(IrcEvent *e)
952 // Though the ":is authed as" remark should always be there, we should handle cases when it's
953 // not included, too.
954 if (!checkParamCount(e, 2))
957 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
959 ircuser->setAccount(e->params().at(1));
965 void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
967 if (!checkParamCount(e, 1))
970 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
972 chan->setTopic(QString());
977 void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
979 if (!checkParamCount(e, 2))
982 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
984 chan->setTopic(e->params()[1]);
988 /* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
989 ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
990 void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
992 if (!checkParamCount(e, 6))
995 QString channel = e->params()[0];
996 IrcUser *ircuser = e->network()->ircUser(e->params()[4]);
998 processWhoInformation(e->network(), channel, ircuser, e->params()[3], e->params()[1],
999 e->params()[2], e->params()[5], e->params().last().section(" ", 1));
1002 // Check if channel name has a who in progress.
1003 // If not, then check if user nick exists and has a who in progress.
1004 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
1005 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
1006 e->setFlag(EventManager::Silent);
1012 void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e)
1014 if (!checkParamCount(e, 3))
1017 // param[0] is either "=", "*" or "@" indicating a public, private or secret channel
1018 // we don't use this information at the time beeing
1019 QString channelname = e->params()[1];
1021 IrcChannel *channel = e->network()->ircChannel(channelname);
1023 qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname;
1030 // Cache result of multi-prefix to avoid unneeded casts and lookups with each iteration.
1031 bool _useCapMultiPrefix = coreNetwork(e)->capEnabled(IrcCap::MULTI_PREFIX);
1033 foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
1036 if (_useCapMultiPrefix) {
1037 // If multi-prefix is enabled, all modes will be sent in NAMES replies.
1038 // :hades.arpa 353 guest = #tethys :~&@%+aji &@Attila @+alyx +KindOne Argure
1039 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
1040 while (e->network()->prefixes().contains(nick[0])) {
1041 // Mode found in 1 left-most character, add it to the list.
1042 // Note: sending multiple modes may cause a warning in older clients.
1043 // In testing, the clients still seemed to function fine.
1044 mode.append(e->network()->prefixToMode(nick[0]));
1045 // Remove this mode from the nick
1046 nick = nick.remove(0, 1);
1048 } else if (e->network()->prefixes().contains(nick[0])) {
1049 // Multi-prefix is disabled and a mode prefix was found.
1050 mode = e->network()->prefixToMode(nick[0]);
1054 // If userhost-in-names capability is enabled, the following will be
1055 // in the form "nick!user@host" rather than "nick". This works without
1056 // special handling as the following use nickFromHost() as needed.
1057 // See: http://ircv3.net/specs/extensions/userhost-in-names-3.2.html
1063 channel->joinIrcUsers(nicks, modes);
1067 /* RPL_WHOSPCRPL: "<yournick> 152 #<channel> ~<ident> <host> <servname> <nick>
1068 ("H"/ "G") <account> :<realname>"
1069 <channel> is * if not specific to any channel
1070 <account> is * if not logged in
1071 Follows HexChat's usage of 'whox'
1072 See https://github.com/hexchat/hexchat/blob/c874a9525c9b66f1d5ddcf6c4107d046eba7e2c5/src/common/proto-irc.c#L750
1073 And http://faerion.sourceforge.net/doc/irc/whox.var*/
1074 void CoreSessionEventProcessor::processIrcEvent354(IrcEvent *e)
1076 // First only check if at least one parameter exists. Otherwise, it'll stop the result from
1077 // being shown if the user chooses different parameters.
1078 if (!checkParamCount(e, 1))
1081 if (e->params()[0].toUInt() != IrcCap::ACCOUNT_NOTIFY_WHOX_NUM) {
1082 // Ignore WHOX replies without expected number for we have no idea what fields are specified
1086 // Now we're fairly certain this is supposed to be an automated WHOX. Bail out if it doesn't
1087 // match what we require - 9 parameters.
1088 if (!checkParamCount(e, 9))
1091 QString channel = e->params()[1];
1092 IrcUser *ircuser = e->network()->ircUser(e->params()[5]);
1094 processWhoInformation(e->network(), channel, ircuser, e->params()[4], e->params()[2],
1095 e->params()[3], e->params()[6], e->params().last());
1096 // Don't use .section(" ", 1) with WHOX replies, for there's no hopcount to trim out
1098 // As part of IRCv3 account-notify, check account name
1099 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
1100 QString newAccount = e->params()[7];
1101 if (newAccount != "0") {
1102 // Account logged in, set account name
1103 ircuser->setAccount(newAccount);
1105 // Account logged out, set account name to logged-out
1106 ircuser->setAccount("*");
1110 // Check if channel name has a who in progress.
1111 // If not, then check if user nick exists and has a who in progress.
1112 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
1113 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
1114 e->setFlag(EventManager::Silent);
1119 void CoreSessionEventProcessor::processWhoInformation (Network *net, const QString &targetChannel, IrcUser *ircUser,
1120 const QString &server, const QString &user, const QString &host,
1121 const QString &awayStateAndModes, const QString &realname)
1123 ircUser->setUser(user);
1124 ircUser->setHost(host);
1125 ircUser->setServer(server);
1126 ircUser->setRealName(realname);
1128 bool away = awayStateAndModes.contains("G", Qt::CaseInsensitive);
1129 ircUser->setAway(away);
1131 if (net->capEnabled(IrcCap::MULTI_PREFIX)) {
1132 // If multi-prefix is enabled, all modes will be sent in WHO replies.
1133 // :kenny.chatspike.net 352 guest #test grawity broken.symlink *.chatspike.net grawity H@%+ :0 Mantas M.
1134 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
1135 QString uncheckedModes = awayStateAndModes;
1136 QString validModes = QString();
1137 while (!uncheckedModes.isEmpty()) {
1138 // Mode found in 1 left-most character, add it to the list
1139 if (net->prefixes().contains(uncheckedModes[0])) {
1140 validModes.append(net->prefixToMode(uncheckedModes[0]));
1142 // Remove this mode from the list of unchecked modes
1143 uncheckedModes = uncheckedModes.remove(0, 1);
1146 // Some IRC servers decide to not follow the spec, returning only -some- of the user
1147 // modes in WHO despite listing them all in NAMES. For now, assume it can only add
1148 // and not take away. *sigh*
1149 if (!validModes.isEmpty()) {
1150 if (targetChannel != "*") {
1151 // Channel-specific modes received, apply to given channel only
1152 IrcChannel *ircChan = net->ircChannel(targetChannel);
1154 // Do one mode at a time
1155 // TODO Better way of syncing this without breaking protocol?
1156 for (int i = 0; i < validModes.count(); ++i) {
1157 ircChan->addUserMode(ircUser, validModes.at(i));
1161 // Modes apply to the user everywhere
1162 ircUser->addUserModes(validModes);
1169 /* ERR_NOSUCHCHANNEL - "<channel name> :No such channel" */
1170 void CoreSessionEventProcessor::processIrcEvent403(IrcEventNumeric *e)
1172 // If this is the result of an AutoWho, hide it. It's confusing to show to the user.
1173 // Though the ":No such channel" remark should always be there, we should handle cases when it's
1174 // not included, too.
1175 if (!checkParamCount(e, 1))
1178 QString channelOrNick = e->params()[0];
1179 // Check if channel name has a who in progress.
1180 // If not, then check if user nick exists and has a who in progress.
1181 if (coreNetwork(e)->isAutoWhoInProgress(channelOrNick)) {
1182 qDebug() << "Channel/nick" << channelOrNick << "no longer exists during AutoWho, ignoring";
1183 e->setFlag(EventManager::Silent);
1187 /* ERR_ERRONEUSNICKNAME */
1188 void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
1190 if (!checkParamCount(e, 1))
1194 if (e->params().count() < 2) {
1195 // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
1197 // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
1198 // correct server reply:
1199 // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
1200 e->params().prepend(e->target());
1203 errnick = e->params()[0];
1205 tryNextNick(e, errnick, true /* erroneus */);
1209 /* ERR_NICKNAMEINUSE */
1210 void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
1212 if (!checkParamCount(e, 1))
1215 QString errnick = e->params().first();
1217 // if there is a problem while connecting to the server -> we handle it
1218 // but only if our connection has not been finished yet...
1219 if (!e->network()->currentServer().isEmpty())
1222 tryNextNick(e, errnick);
1226 /* ERR_UNAVAILRESOURCE */
1227 void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e)
1229 if (!checkParamCount(e, 1))
1232 QString errnick = e->params().first();
1234 // if there is a problem while connecting to the server -> we handle it
1235 // but only if our connection has not been finished yet...
1236 if (!e->network()->currentServer().isEmpty())
1239 if (!e->network()->isChannelName(errnick))
1240 tryNextNick(e, errnick);
1245 void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
1246 if(!checkParamCount(e, 1))
1252 /* Handle signals from Netsplit objects */
1254 void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
1255 const QString &channel,
1256 const QStringList &users,
1257 const QStringList &modes,
1258 const QString &quitMessage)
1260 IrcChannel *ircChannel = net->ircChannel(channel);
1264 QList<IrcUser *> ircUsers;
1265 QStringList newModes = modes;
1266 QStringList newUsers = users;
1268 foreach(const QString &user, users) {
1269 IrcUser *iu = net->ircUser(nickFromMask(user));
1271 ircUsers.append(iu);
1272 else { // the user already quit
1273 int idx = users.indexOf(user);
1274 newUsers.removeAt(idx);
1275 newModes.removeAt(idx);
1279 ircChannel->joinIrcUsers(ircUsers, newModes);
1280 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
1281 emit newEvent(event);
1285 void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
1287 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
1288 emit newEvent(event);
1289 foreach(QString user, users) {
1290 IrcUser *iu = net->ircUser(nickFromMask(user));
1297 void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
1299 IrcChannel *ircChannel = net->ircChannel(channel);
1301 qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
1304 QList<NetworkEvent *> events;
1305 QList<IrcUser *> ircUsers;
1306 QStringList newModes = modes;
1308 foreach(QString user, users) {
1309 IrcUser *iu = net->updateNickFromMask(user);
1311 ircUsers.append(iu);
1312 // fake event for scripts that consume join events
1313 events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
1316 newModes.removeAt(users.indexOf(user));
1319 ircChannel->joinIrcUsers(ircUsers, newModes);
1320 foreach(NetworkEvent *event, events) {
1321 event->setFlag(EventManager::Fake); // ignore this in here!
1322 emit newEvent(event);
1327 void CoreSessionEventProcessor::handleNetsplitFinished()
1329 Netsplit *n = qobject_cast<Netsplit *>(sender());
1331 QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
1332 splithash.remove(splithash.key(n));
1333 if (splithash.count())
1334 _netsplits[n->network()] = splithash;
1339 void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
1341 Network *net = coreSession()->network(netId);
1345 QHash<QString, Netsplit *> splits = _netsplits.take(net);
1350 /*******************************/
1351 /******** CTCP HANDLING ********/
1352 /*******************************/
1354 void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
1356 if (e->testFlag(EventManager::Self))
1357 return; // ignore ctcp events generated by user input
1359 if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
1362 handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
1366 void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
1368 // This handler is only there to avoid warnings for unknown CTCPs
1374 void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
1376 // This handler is only there to feed CLIENTINFO
1381 void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
1383 QStringList supportedHandlers;
1384 foreach(QString handler, providesHandlers())
1385 supportedHandlers << handler.toUpper();
1386 qSort(supportedHandlers);
1387 e->setReply(supportedHandlers.join(" "));
1391 // http://www.irchelp.org/irchelp/rfc/ctcpspec.html
1392 // http://en.wikipedia.org/wiki/Direct_Client-to-Client
1393 void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
1395 // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
1396 if (!Quassel::isOptionSet("enable-experimental-dcc")) {
1397 quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
1401 // normal: SEND <filename> <ip> <port> [<filesize>]
1402 // reverse: SEND <filename> <ip> 0 <filesize> <token>
1403 QStringList params = e->param().split(' ');
1404 if (params.count()) {
1405 QString cmd = params[0].toUpper();
1406 if (cmd == "SEND") {
1407 if (params.count() < 4) {
1408 qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
1411 QString filename = params[1];
1412 QHostAddress address;
1413 quint16 port = params[3].toUShort();
1415 QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
1416 if (numIp.contains(':')) { // IPv6
1417 if (!address.setAddress(numIp)) {
1418 qWarning() << "Invalid IPv6:" << numIp;
1423 address.setAddress(numIp.toUInt());
1426 if (port == 0) { // Reverse DCC is indicated by a 0 port
1427 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
1431 qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
1435 if (params.count() > 4) { // filesize is optional
1436 size = params[4].toULong();
1439 // TODO: check if target is the right thing to use for the partner
1440 CoreTransfer *transfer = new CoreTransfer(Transfer::Direction::Receive, e->target(), filename, address, port, size, this);
1441 coreSession()->signalProxy()->synchronize(transfer);
1442 coreSession()->transferManager()->addTransfer(transfer);
1445 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
1452 void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
1454 e->setReply(e->param().isNull() ? "" : e->param());
1458 void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
1460 e->setReply(QDateTime::currentDateTime().toString());
1464 void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
1466 e->setReply(QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
1467 .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().commitDate));