X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fcore%2Fcoresessioneventprocessor.cpp;h=c7a5b5b6623e7572fda7b9d5f48b5479fb4d53dc;hp=3b5ad27e5469e3a157d3b5fef56a668438c37227;hb=c37f66ea674fa946ca569d368094ea4adc48fb0f;hpb=5ff4265bbd3a682a6d6542480760eaf4a2b85d77 diff --git a/src/core/coresessioneventprocessor.cpp b/src/core/coresessioneventprocessor.cpp index 3b5ad27e..c7a5b5b6 100644 --- a/src/core/coresessioneventprocessor.cpp +++ b/src/core/coresessioneventprocessor.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2005-2010 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 * @@ -15,7 +15,7 @@ * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * ***************************************************************************/ #include "coresessioneventprocessor.h" @@ -23,192 +23,669 @@ #include "coreirclisthelper.h" #include "corenetwork.h" #include "coresession.h" +#include "coretransfer.h" +#include "coretransfermanager.h" +#include "ctcpevent.h" #include "ircevent.h" #include "ircuser.h" +#include "logger.h" +#include "messageevent.h" +#include "netsplit.h" +#include "quassel.h" + +#ifdef HAVE_QCA2 +# include "keyevent.h" +#endif + +// IRCv3 capabilities +#include "irccap.h" CoreSessionEventProcessor::CoreSessionEventProcessor(CoreSession *session) - : QObject(session), - _coreSession(session) + : BasicHandler("handleCtcp", session), + _coreSession(session) +{ + connect(coreSession(), SIGNAL(networkDisconnected(NetworkId)), this, SLOT(destroyNetsplits(NetworkId))); + connect(this, SIGNAL(newEvent(Event *)), coreSession()->eventManager(), SLOT(postEvent(Event *))); +} + + +bool CoreSessionEventProcessor::checkParamCount(IrcEvent *e, int minParams) +{ + if (e->params().count() < minParams) { + if (e->type() == EventManager::IrcEventNumeric) { + qWarning() << "Command " << static_cast(e)->number() << " requires " << minParams << "params, got: " << e->params(); + } + else { + QString name = coreSession()->eventManager()->enumName(e->type()); + qWarning() << qPrintable(name) << "requires" << minParams << "params, got:" << e->params(); + } + e->stop(); + return false; + } + return true; +} + + +void CoreSessionEventProcessor::tryNextNick(NetworkEvent *e, const QString &errnick, bool erroneus) { + QStringList desiredNicks = coreSession()->identity(e->network()->identity())->nicks(); + int nextNickIdx = desiredNicks.indexOf(errnick) + 1; + QString nextNick; + if (nextNickIdx > 0 && desiredNicks.size() > nextNickIdx) { + nextNick = desiredNicks[nextNickIdx]; + } + else { + if (erroneus) { + // FIXME Make this an ErrorEvent or something like that, so it's translated in the client + MessageEvent *msgEvent = new MessageEvent(Message::Error, e->network(), + tr("No free and valid nicks in nicklist found. use: /nick to continue"), + QString(), QString(), Message::None, e->timestamp()); + emit newEvent(msgEvent); + return; + } + else { + nextNick = errnick + "_"; + } + } + // FIXME Use a proper output event for this + coreNetwork(e)->putRawLine("NICK " + coreNetwork(e)->encodeServerString(nextNick)); +} + +void CoreSessionEventProcessor::processIrcEventNumeric(IrcEventNumeric *e) +{ + 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 + coreNetwork(e)->sendNextCap(); + break; + + default: + break; + } } -bool CoreSessionEventProcessor::checkParamCount(IrcEvent *e, int minParams) { - if(e->params().count() < minParams) { - if(e->type() == EventManager::IrcEventNumeric) { - qWarning() << "Command " << static_cast(e)->number() << " requires " << minParams << "params, got: " << e->params(); + +void CoreSessionEventProcessor::processIrcEventAuthenticate(IrcEvent *e) +{ + if (!checkParamCount(e, 1)) + return; + + if (e->params().at(0) != "+") { + qWarning() << "Invalid AUTHENTICATE" << e; + return; + } + + CoreNetwork *net = coreNetwork(e); + +#ifdef HAVE_SSL + if (net->identityPtr()->sslCert().isNull()) { +#endif + QString construct = net->saslAccount(); + construct.append(QChar(QChar::Null)); + construct.append(net->saslAccount()); + construct.append(QChar(QChar::Null)); + construct.append(net->saslPassword()); + QByteArray saslData = QByteArray(construct.toLatin1().toBase64()); + saslData.prepend("AUTHENTICATE "); + net->putRawLine(saslData); +#ifdef HAVE_SSL } else { - QString name = coreSession()->eventManager()->enumName(e->type()); - qWarning() << qPrintable(name) << "requires" << minParams << "params, got:" << e->params(); + net->putRawLine("AUTHENTICATE +"); } - e->stop(); - return false; - } - return true; +#endif } -void CoreSessionEventProcessor::processIrcEventNumeric(IrcEventNumeric *e) { - switch(e->number()) { +void CoreSessionEventProcessor::processIrcEventCap(IrcEvent *e) +{ + // Handle capability negotiation + // See: http://ircv3.net/specs/core/capability-negotiation-3.2.html + // And: http://ircv3.net/specs/core/capability-negotiation-3.1.html + if (e->params().count() >= 3) { + CoreNetwork *coreNet = coreNetwork(e); + 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 + bool capListFinished; + QStringList availableCaps; + if (e->params().count() == 4) { + // Middle of multi-line reply, ignore the asterisk + capListFinished = false; + availableCaps = e->params().at(3).split(' '); + } else { + // Single line reply + capListFinished = true; + availableCaps = e->params().at(2).split(' '); + } + // Store what capabilities are available + QStringList availableCapPair; + 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('='); + 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) + coreNet->beginCapNegotiation(); + } else if (capCommand == "ACK") { + // Server: CAP * ACK :multi-prefix sasl + // Got the capability we want, handle as needed. + // As only one capability is requested at a time, no need to split + QString acceptedCap = e->params().at(2).trimmed().toLower(); + + // Mark this cap as accepted + 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(); + } + } + } +} - // CAP stuff - case 903: case 904: case 905: case 906: case 907: - qobject_cast(e->network())->putRawLine("CAP END"); - break; +/* 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; - default: - break; - } + IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix()); + if (ircuser) { + // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'. + // As '*' is used internally to represent logged-out, no need to handle that differently. + ircuser->setAccount(e->params().at(0)); + } else { + qDebug() << "Received account-notify data for unknown user" << e->prefix(); + } } -void CoreSessionEventProcessor::processIrcEventAuthenticate(IrcEvent *e) { - if(!checkParamCount(e, 1)) - return; +/* IRCv3 away-notify - ":nick!user@host AWAY [:message]" */ +void CoreSessionEventProcessor::processIrcEventAway(IrcEvent *e) +{ + if (!checkParamCount(e, 2)) + return; + + // Nick is sent as part of parameters in order to split user/server decoding + IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); + if (ircuser) { + if (!e->params().at(1).isEmpty()) { + ircuser->setAway(true); + ircuser->setAwayMessage(e->params().at(1)); + } else { + ircuser->setAway(false); + } + } else { + qDebug() << "Received away-notify data for unknown user" << e->params().at(0); + } +} - if(e->params().at(0) != "+") { - qWarning() << "Invalid AUTHENTICATE" << e; - return; - } +/* IRCv3 chghost - ":nick!user@host CHGHOST newuser new.host.goes.here" */ +void CoreSessionEventProcessor::processIrcEventChghost(IrcEvent *e) +{ + if (!checkParamCount(e, 2)) + return; + + IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix()); + if (ircuser) { + // Update with new user/hostname information. setUser/setHost handles checking what + // actually changed. + ircuser->setUser(e->params().at(0)); + ircuser->setHost(e->params().at(1)); + } else { + qDebug() << "Received chghost data for unknown user" << e->prefix(); + } +} + +void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e) +{ + if (checkParamCount(e, 2)) { + e->network()->updateNickFromMask(e->prefix()); + } +} - CoreNetwork *net = coreNetwork(e); +/* JOIN: ": JOIN " */ +void CoreSessionEventProcessor::processIrcEventJoin(IrcEvent *e) +{ + if (e->testFlag(EventManager::Fake)) // generated by handleEarlyNetsplitJoin + return; + + if (!checkParamCount(e, 1)) + return; + + CoreNetwork *net = coreNetwork(e); + QString channel = e->params()[0]; + IrcUser *ircuser = net->updateNickFromMask(e->prefix()); + + if (net->capEnabled(IrcCap::EXTENDED_JOIN)) { + if (e->params().count() < 3) { + // Some IRC servers don't send extended-join events in all situations. Rather than + // ignore the join entirely, treat it as a regular join with a debug-level log entry. + // See: https://github.com/inspircd/inspircd/issues/821 + qDebug() << "extended-join requires 3 params, got:" << e->params() << ", handling as a " + "regular join"; + } else { + // 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 + // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'. + // As '*' is used internally to represent logged-out, no need to handle that differently. + ircuser->setAccount(e->params()[1]); + // Update the user's real name, too + 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 (handledByNetsplit) + break; + } - QString construct = net->saslAccount(); - construct.append(QChar(QChar::Null)); - construct.append(net->saslAccount()); - construct.append(QChar(QChar::Null)); - construct.append(net->saslPassword()); - QByteArray saslData = QByteArray(construct.toAscii().toBase64()); - saslData.prepend("AUTHENTICATE "); - net->putRawLine(saslData); + // 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 (net->capEnabled(IrcCap::AWAY_NOTIFY)) { + net->queueAutoWhoOneshot(ircuser->nick()); + } + + if (!handledByNetsplit) + ircuser->joinChannel(channel); + else + e->setFlag(EventManager::Netsplit); + + if (net->isMe(ircuser)) { + net->setChannelJoined(channel); + // FIXME use event + net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely + } } -void CoreSessionEventProcessor::processIrcEventCap(IrcEvent *e) { - // for SASL, there will only be a single param of 'sasl', however you can check here for - // additional CAP messages (ls, multi-prefix, et cetera). - if(e->params().count() == 3) { - if(e->params().at(2) == "sasl") { - // FIXME use event - coreNetwork(e)->putRawLine(coreNetwork(e)->serverEncode("AUTHENTICATE PLAIN")); // Only working with PLAIN atm, blowfish later +void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e) +{ + if (checkParamCount(e, 2)) { + e->network()->updateNickFromMask(e->prefix()); + IrcUser *victim = e->network()->ircUser(e->params().at(1)); + if (victim) { + victim->partChannel(e->params().at(0)); + //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel); + } } - } } -void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e) { - if(checkParamCount(e, 2)) { - e->network()->updateNickFromMask(e->prefix()); - } + +void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e) +{ + if (!checkParamCount(e, 2)) + return; + + if (e->network()->isChannelName(e->params().first())) { + // Channel Modes + + IrcChannel *channel = e->network()->ircChannel(e->params()[0]); + if (!channel) { + // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that + // anyways: we don't have a place to store the data --> discard the info. + return; + } + + QString modes = e->params()[1]; + bool add = true; + int paramOffset = 2; + for (int c = 0; c < modes.length(); c++) { + if (modes[c] == '+') { + add = true; + continue; + } + if (modes[c] == '-') { + add = false; + continue; + } + + if (e->network()->prefixModes().contains(modes[c])) { + // user channel modes (op, voice, etc...) + if (paramOffset < e->params().count()) { + IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]); + if (!ircUser) { + qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset]; + } + else { + if (add) { + bool handledByNetsplit = false; + QHash splits = _netsplits.value(e->network()); + foreach(Netsplit* n, _netsplits.value(e->network())) { + handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name()); + if (handledByNetsplit) { + n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c])); + break; + } + } + if (!handledByNetsplit) + channel->addUserMode(ircUser, QString(modes[c])); + } + else + channel->removeUserMode(ircUser, QString(modes[c])); + } + } + else { + qWarning() << "Received MODE with too few parameters:" << e->params(); + } + ++paramOffset; + } + else { + // regular channel modes + QString value; + Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]); + if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) { + if (paramOffset < e->params().count()) { + value = e->params()[paramOffset]; + } + else { + qWarning() << "Received MODE with too few parameters:" << e->params(); + } + ++paramOffset; + } + + if (add) + channel->addChannelMode(modes[c], value); + else + channel->removeChannelMode(modes[c], value); + } + } + } + else { + // pure User Modes + IrcUser *ircUser = e->network()->newIrcUser(e->params().first()); + QString modeString(e->params()[1]); + QString addModes; + QString removeModes; + bool add = false; + for (int c = 0; c < modeString.count(); c++) { + if (modeString[c] == '+') { + add = true; + continue; + } + if (modeString[c] == '-') { + add = false; + continue; + } + if (add) + addModes += modeString[c]; + else + removeModes += modeString[c]; + } + if (!addModes.isEmpty()) + ircUser->addUserModes(addModes); + if (!removeModes.isEmpty()) + ircUser->removeUserModes(removeModes); + + if (e->network()->isMe(ircUser)) { + coreNetwork(e)->updatePersistentModes(addModes, removeModes); + } + } } -void CoreSessionEventProcessor::processIrcEventKick(IrcEvent *e) { - if(checkParamCount(e, 2)) { - e->network()->updateNickFromMask(e->prefix()); - IrcUser *victim = e->network()->ircUser(e->params().at(1)); - if(victim) { - victim->partChannel(e->params().at(0)); - //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel); + +void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e) +{ + if (checkParamCount(e, 1)) { + IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix()); + if (!ircuser) { + qWarning() << Q_FUNC_INFO << "Unknown IrcUser!"; + return; + } + QString newnick = e->params().at(0); + QString oldnick = ircuser->nick(); + + // the order is cruicial + // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore + // and remove the ircuser from the querybuffer leading to a wrong on/offline state + ircuser->setNick(newnick); + coreSession()->renameBuffer(e->networkId(), newnick, oldnick); } - } } -void CoreSessionEventProcessor::processIrcEventNick(IrcEvent *e) { - if(checkParamCount(e, 1)) { - IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix()); - if(!ircuser) { - qWarning() << Q_FUNC_INFO << "Unknown IrcUser!"; - return; + +void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e) +{ + if (checkParamCount(e, 1)) { + IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix()); + if (!ircuser) { + qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!"; + return; + } + QString channel = e->params().at(0); + ircuser->partChannel(channel); + if (e->network()->isMe(ircuser)) + qobject_cast(e->network())->setChannelParted(channel); } - QString newnick = e->params().at(0); - QString oldnick = ircuser->nick(); +} + - // the order is cruicial - // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore - // and remove the ircuser from the querybuffer leading to a wrong on/offline state - ircuser->setNick(newnick); - coreSession()->renameBuffer(e->networkId(), newnick, oldnick); - } +void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e) +{ + QString param = e->params().count() ? e->params().first() : QString(); + // FIXME use events + // Take priority so this won't get stuck behind other queued messages. + coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param), true); +} + + +void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e) +{ + // the server is supposed to send back what we passed as param. and we send a timestamp + // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks + if (checkParamCount(e, 2)) { + QString timestamp = e->params().at(1); + QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz"); + if (sendTime.isValid()) + e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2); + } } -void CoreSessionEventProcessor::processIrcEventPart(IrcEvent *e) { - if(checkParamCount(e, 1)) { + +void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e) +{ IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix()); - if(!ircuser) { - qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!"; - return; + if (!ircuser) + return; + + QString msg; + if (e->params().count() > 0) + msg = e->params()[0]; + + // check if netsplit + if (Netsplit::isNetsplit(msg)) { + Netsplit *n; + if (!_netsplits[e->network()].contains(msg)) { + n = new Netsplit(e->network(), this); + connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished())); + connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)), + this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString))); + connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)), + this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString))); + connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)), + this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList))); + _netsplits[e->network()].insert(msg, n); + } + else { + n = _netsplits[e->network()][msg]; + } + // add this user to the netsplit + n->userQuit(e->prefix(), ircuser->channels(), msg); + e->setFlag(EventManager::Netsplit); } - QString channel = e->params().at(0); - ircuser->partChannel(channel); - if(e->network()->isMe(ircuser)) - qobject_cast(e->network())->setChannelParted(channel); - } + // normal quit is handled in lateProcessIrcEventQuit() } -void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e) { - // the server is supposed to send back what we passed as param. and we send a timestamp - // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks - if(checkParamCount(e, 2)) { - QString timestamp = e->params().at(1); - QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz"); - if(sendTime.isValid()) - e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2); - } + +void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e) +{ + if (e->testFlag(EventManager::Netsplit)) + return; + + IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix()); + if (!ircuser) + return; + + ircuser->quit(); } -void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e) { - if(checkParamCount(e, 2)) { - e->network()->updateNickFromMask(e->prefix()); - IrcChannel *channel = e->network()->ircChannel(e->params().at(0)); - if(channel) - channel->setTopic(e->params().at(1)); - } + +void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e) +{ + if (checkParamCount(e, 2)) { + e->network()->updateNickFromMask(e->prefix()); + IrcChannel *channel = e->network()->ircChannel(e->params().at(0)); + if (channel) + channel->setTopic(e->params().at(1)); + } } -/* RPL_WELCOME */ -void CoreSessionEventProcessor::processIrcEvent001(IrcEvent *e) { - if(!checkParamCount(e, 1)) - return; - QString myhostmask = e->params().at(0).section(' ', -1, -1); - e->network()->setCurrentServer(e->prefix()); - e->network()->setMyNick(nickFromMask(myhostmask)); +#ifdef HAVE_QCA2 +void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e) +{ + if (!Cipher::neededFeaturesAvailable()) { + 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())); + return; + } + CoreNetwork *net = qobject_cast(e->network()); + Cipher *c = net->cipher(e->target()); + if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?) + return; + + if (e->exchangeType() == KeyEvent::Init) { + QByteArray pubKey = c->parseInitKeyX(e->key()); + if (pubKey.isEmpty()) { + 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())); + return; + } else { + net->setCipherKey(e->target(), c->key()); + 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())); + QList p; + p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey; + net->putCmd("NOTICE", p); + } + } else { + if (c->parseFinishKeyX(e->key())) { + net->setCipherKey(e->target(), c->key()); + 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())); + } else { + 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())); + } + } +} +#endif + + +/* RPL_WELCOME */ +void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e) +{ + e->network()->setCurrentServer(e->prefix()); + e->network()->setMyNick(e->target()); } + /* RPL_ISUPPORT */ // TODO Complete 005 handling, also use sensible defaults for non-sent stuff -void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e) { - if(!checkParamCount(e, 1)) - return; - - QString key, value; - for(int i = 0; i < e->params().count() - 1; i++) { - QString key = e->params()[i].section("=", 0, 0); - QString value = e->params()[i].section("=", 1); - e->network()->addSupport(key, value); - } +void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e) +{ + if (!checkParamCount(e, 1)) + return; + + QString key, value; + for (int i = 0; i < e->params().count() - 1; i++) { + QString key = e->params()[i].section("=", 0, 0); + QString value = e->params()[i].section("=", 1); + e->network()->addSupport(key, value); + } - /* determine our prefixes here to get an accurate result */ - e->network()->determinePrefixes(); + /* determine our prefixes here to get an accurate result */ + e->network()->determinePrefixes(); } + /* RPL_UMODEIS - " []" */ -void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *) { - // TODO: save information in network object +void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *) +{ + // TODO: save information in network object } + /* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */ -void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *) { - // TODO: save information in network object +void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *) +{ + // TODO: save information in network object } + /* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */ -void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *) { - // TODO: save information in network object +void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *) +{ + // TODO: save information in network object } + /* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */ -void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *) { - // TODO: save information in network object +void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *) +{ + // TODO: save information in network object } + /* WHOIS-Message: Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message. @@ -223,228 +700,475 @@ WHOWAS-Message: */ /* RPL_AWAY - " :" */ -void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e) { - if(!checkParamCount(e, 2)) - return; - - IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); - if(ircuser) { - ircuser->setAway(true); - ircuser->setAwayMessage(e->params().at(1)); - //ircuser->setLastAwayMessage(now); - } +void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e) +{ + if (!checkParamCount(e, 2)) + return; + + IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); + if (ircuser) { + ircuser->setAway(true); + ircuser->setAwayMessage(e->params().at(1)); + //ircuser->setLastAwayMessage(now); + } } + /* RPL_UNAWAY - ":You are no longer marked as being away" */ -void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e) { - IrcUser *me = e->network()->me(); - if(me) - me->setAway(false); +void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e) +{ + IrcUser *me = e->network()->me(); + if (me) + me->setAway(false); - if(e->network()->autoAwayActive()) { - e->network()->setAutoAwayActive(false); - e->setFlag(EventManager::Silent); - } + if (e->network()->autoAwayActive()) { + e->network()->setAutoAwayActive(false); + e->setFlag(EventManager::Silent); + } } + /* RPL_NOWAWAY - ":You have been marked as being away" */ -void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e) { - IrcUser *me = e->network()->me(); - if(me) - me->setAway(true); +void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e) +{ + IrcUser *me = e->network()->me(); + if (me) + me->setAway(true); } + /* RPL_WHOISSERVICE - " is registered nick" */ -void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e) { - if(!checkParamCount(e, 1)) - return; +void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e) +{ + if (!checkParamCount(e, 1)) + return; - IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); - if(ircuser) - ircuser->setWhoisServiceReply(e->params().join(" ")); + IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); + if (ircuser) + ircuser->setWhoisServiceReply(e->params().join(" ")); } + /* RPL_SUSERHOST - " is available for help." */ -void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e) { - if(!checkParamCount(e, 1)) - return; +void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e) +{ + if (!checkParamCount(e, 1)) + return; - IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); - if(ircuser) - ircuser->setSuserHost(e->params().join(" ")); + IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); + if (ircuser) + ircuser->setSuserHost(e->params().join(" ")); } -/* RPL_WHOISUSER - " * :" */ -void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e) { - if(!checkParamCount(e, 3)) - return; - IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); - if(ircuser) { - ircuser->setUser(e->params().at(1)); - ircuser->setHost(e->params().at(2)); - ircuser->setRealName(e->params().last()); - } +/* RPL_WHOISUSER - " * :" */ +void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e) +{ + if (!checkParamCount(e, 3)) + return; + + IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); + if (ircuser) { + ircuser->setUser(e->params().at(1)); + ircuser->setHost(e->params().at(2)); + ircuser->setRealName(e->params().last()); + } } + /* RPL_WHOISSERVER - " :" */ -void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e) { - if(!checkParamCount(e, 2)) - return; +void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e) +{ + if (!checkParamCount(e, 2)) + return; - IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); - if(ircuser) - ircuser->setServer(e->params().at(1)); + IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); + if (ircuser) + ircuser->setServer(e->params().at(1)); } + /* RPL_WHOISOPERATOR - " :is an IRC operator" */ -void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e) { - if(!checkParamCount(e, 1)) - return; +void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e) +{ + if (!checkParamCount(e, 1)) + return; - IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); - if(ircuser) - ircuser->setIrcOperator(e->params().last()); + IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); + if (ircuser) + ircuser->setIrcOperator(e->params().last()); } + /* RPL_ENDOFWHO: " :End of WHO list" */ -void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e) { - if(!checkParamCount(e, 1)) - return; +void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e) +{ + if (!checkParamCount(e, 1)) + return; - if(coreNetwork(e)->setAutoWhoDone(e->params()[0])) - e->setFlag(EventManager::Silent); + if (coreNetwork(e)->setAutoWhoDone(e->params()[0])) + e->setFlag(EventManager::Silent); } + /* RPL_WHOISIDLE - " :seconds idle" (real life: " :seconds idle, signon time) */ -void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e) { - if(!checkParamCount(e, 2)) - return; +void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e) +{ + if (!checkParamCount(e, 2)) + return; - QDateTime loginTime; + QDateTime loginTime; - int idleSecs = e->params()[1].toInt(); - if(e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation - int logintime = e->params()[2].toInt(); - loginTime = QDateTime::fromTime_t(logintime); - } + int idleSecs = e->params()[1].toInt(); + if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation + int logintime = e->params()[2].toInt(); + loginTime = QDateTime::fromTime_t(logintime); + } - IrcUser *ircuser = e->network()->ircUser(e->params()[0]); - if(ircuser) { - ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs)); - if(loginTime.isValid()) - ircuser->setLoginTime(loginTime); - } + IrcUser *ircuser = e->network()->ircUser(e->params()[0]); + if (ircuser) { + ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs)); + if (loginTime.isValid()) + ircuser->setLoginTime(loginTime); + } } + /* RPL_LIST - " <# visible> :" */ -void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e) { - if(!checkParamCount(e, 1)) - return; +void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e) +{ + if (!checkParamCount(e, 1)) + return; + + QString channelName; + quint32 userCount = 0; + QString topic; + + switch (e->params().count()) { + case 3: + topic = e->params()[2]; + case 2: + userCount = e->params()[1].toUInt(); + case 1: + channelName = e->params()[0]; + default: + break; + } + if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic)) + e->stop(); // consumed by IrcListHelper, so don't further process/show this event +} - QString channelName; - quint32 userCount = 0; - QString topic; - switch(e->params().count()) { - case 3: - topic = e->params()[2]; - case 2: - userCount = e->params()[1].toUInt(); - case 1: - channelName = e->params()[0]; - default: - break; - } - if(coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic)) - e->stop(); // consumed by IrcListHelper, so don't further process/show this event +/* RPL_LISTEND ":End of LIST" */ +void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e) +{ + if (!checkParamCount(e, 1)) + return; + + if (coreSession()->ircListHelper()->endOfChannelList(e->networkId())) + e->stop(); // consumed by IrcListHelper, so don't further process/show this event +} + + +/* RPL_CHANNELMODEIS - " " */ +void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e) +{ + processIrcEventMode(e); } -/* RPL_LISTEND ":End of LIST" */ -void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e) { - if(!checkParamCount(e, 1)) - return; - if(coreSession()->ircListHelper()->endOfChannelList(e->networkId())) - e->stop(); // consumed by IrcListHelper, so don't further process/show this event +/* RPL_WHOISACCOUNT - " :is authed as" */ +void CoreSessionEventProcessor::processIrcEvent330(IrcEvent *e) +{ + if (!checkParamCount(e, 3)) + return; + + IrcUser *ircuser = e->network()->ircUser(e->params().at(0)); + if (ircuser) { + ircuser->setAccount(e->params().at(1)); + } } + /* RPL_NOTOPIC */ -void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e) { - if(!checkParamCount(e, 1)) - return; +void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e) +{ + if (!checkParamCount(e, 1)) + return; - IrcChannel *chan = e->network()->ircChannel(e->params()[0]); - if(chan) - chan->setTopic(QString()); + IrcChannel *chan = e->network()->ircChannel(e->params()[0]); + if (chan) + chan->setTopic(QString()); } + /* RPL_TOPIC */ -void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e) { - if(!checkParamCount(e, 2)) - return; +void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e) +{ + if (!checkParamCount(e, 2)) + return; - IrcChannel *chan = e->network()->ircChannel(e->params()[0]); - if(chan) - chan->setTopic(e->params()[1]); + IrcChannel *chan = e->network()->ircChannel(e->params()[0]); + if (chan) + chan->setTopic(e->params()[1]); } + /* RPL_WHOREPLY: " ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] : " */ -void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e) { - if(!checkParamCount(e, 6)) - return; +void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e) +{ + if (!checkParamCount(e, 6)) + return; + + QString channel = e->params()[0]; + IrcUser *ircuser = e->network()->ircUser(e->params()[4]); + if (ircuser) { + processWhoInformation(e->network(), channel, ircuser, e->params()[3], e->params()[1], + e->params()[2], e->params()[5], e->params().last().section(" ", 1)); + } - QString channel = e->params()[0]; - IrcUser *ircuser = e->network()->ircUser(e->params()[4]); - if(ircuser) { - ircuser->setUser(e->params()[1]); - ircuser->setHost(e->params()[2]); + // Check if channel name has a who in progress. + // If not, then check if user nick exists and has a who in progress. + if (coreNetwork(e)->isAutoWhoInProgress(channel) || + (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) { + e->setFlag(EventManager::Silent); + } +} - bool away = e->params()[5].startsWith("G"); - ircuser->setAway(away); - ircuser->setServer(e->params()[3]); - ircuser->setRealName(e->params().last().section(" ", 1)); - } - if(coreNetwork(e)->isAutoWhoInProgress(channel)) - e->setFlag(EventManager::Silent); +/* RPL_NAMREPLY */ +void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e) +{ + if (!checkParamCount(e, 3)) + return; + + // param[0] is either "=", "*" or "@" indicating a public, private or secret channel + // we don't use this information at the time beeing + QString channelname = e->params()[1]; + + IrcChannel *channel = e->network()->ircChannel(channelname); + if (!channel) { + qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname; + return; + } + + 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 (_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; + } + + channel->joinIrcUsers(nicks, modes); } -/* RPL_NAMREPLY */ -void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e) { - if(!checkParamCount(e, 3)) - return; - // param[0] is either "=", "*" or "@" indicating a public, private or secret channel - // we don't use this information at the time beeing - QString channelname = e->params()[1]; +/* RPL_WHOSPCRPL: " 152 # ~ + ("H"/ "G") :" + is * if not specific to any channel + is * if not logged in +Follows HexChat's usage of 'whox' +See https://github.com/hexchat/hexchat/blob/c874a9525c9b66f1d5ddcf6c4107d046eba7e2c5/src/common/proto-irc.c#L750 +And http://faerion.sourceforge.net/doc/irc/whox.var*/ +void CoreSessionEventProcessor::processIrcEvent354(IrcEvent *e) +{ + // First only check if at least one parameter exists. Otherwise, it'll stop the result from + // being shown if the user chooses different parameters. + if (!checkParamCount(e, 1)) + return; + + if (e->params()[0].toUInt() != IrcCap::ACCOUNT_NOTIFY_WHOX_NUM) { + // Ignore WHOX replies without expected number for we have no idea what fields are specified + return; + } - IrcChannel *channel = e->network()->ircChannel(channelname); - if(!channel) { - qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname; - return; - } + // Now we're fairly certain this is supposed to be an automated WHOX. Bail out if it doesn't + // match what we require - 9 parameters. + if (!checkParamCount(e, 9)) + return; + + QString channel = e->params()[1]; + IrcUser *ircuser = e->network()->ircUser(e->params()[5]); + if (ircuser) { + processWhoInformation(e->network(), channel, ircuser, e->params()[4], e->params()[2], + e->params()[3], e->params()[6], e->params().last()); + // Don't use .section(" ", 1) with WHOX replies, for there's no hopcount to trim out + + // As part of IRCv3 account-notify, check account name + // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'. + QString newAccount = e->params()[7]; + if (newAccount != "0") { + // Account logged in, set account name + ircuser->setAccount(newAccount); + } else { + // Account logged out, set account name to logged-out + ircuser->setAccount("*"); + } + } - QStringList nicks; - QStringList modes; + // Check if channel name has a who in progress. + // If not, then check if user nick exists and has a who in progress. + if (coreNetwork(e)->isAutoWhoInProgress(channel) || + (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) { + e->setFlag(EventManager::Silent); + } +} - foreach(QString nick, e->params()[2].split(' ')) { - QString mode; - if(e->network()->prefixes().contains(nick[0])) { - mode = e->network()->prefixToMode(nick[0]); - nick = nick.mid(1); +void CoreSessionEventProcessor::processWhoInformation (Network *net, const QString &targetChannel, IrcUser *ircUser, + const QString &server, const QString &user, const QString &host, + const QString &awayStateAndModes, const QString &realname) +{ + ircUser->setUser(user); + ircUser->setHost(host); + ircUser->setServer(server); + ircUser->setRealName(realname); + + bool away = awayStateAndModes.contains("G", Qt::CaseInsensitive); + ircUser->setAway(away); + + if (net->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 = awayStateAndModes; + QString validModes = QString(); + while (!uncheckedModes.isEmpty()) { + // Mode found in 1 left-most character, add it to the list + if (net->prefixes().contains(uncheckedModes[0])) { + validModes.append(net->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 (targetChannel != "*") { + // Channel-specific modes received, apply to given channel only + IrcChannel *ircChan = net->ircChannel(targetChannel); + 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); + } + } } +} + + +/* ERR_NOSUCHCHANNEL - " :No such channel" */ +void CoreSessionEventProcessor::processIrcEvent403(IrcEventNumeric *e) +{ + // If this is the result of an AutoWho, hide it. It's confusing to show to the user. + if (!checkParamCount(e, 2)) + return; + + QString channelOrNick = e->params()[0]; + // Check if channel name has a who in progress. + // If not, then check if user nick exists and has a who in progress. + if (coreNetwork(e)->isAutoWhoInProgress(channelOrNick)) { + qDebug() << "Channel/nick" << channelOrNick << "no longer exists during AutoWho, ignoring"; + e->setFlag(EventManager::Silent); + } +} + +/* ERR_ERRONEUSNICKNAME */ +void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e) +{ + if (!checkParamCount(e, 1)) + return; + + QString errnick; + if (e->params().count() < 2) { + // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase: + // nick @@@ + // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters + // correct server reply: + // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters + e->params().prepend(e->target()); + e->setTarget("*"); + } + errnick = e->params()[0]; + + tryNextNick(e, errnick, true /* erroneus */); +} + + +/* ERR_NICKNAMEINUSE */ +void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e) +{ + if (!checkParamCount(e, 1)) + return; + + QString errnick = e->params().first(); + + // if there is a problem while connecting to the server -> we handle it + // but only if our connection has not been finished yet... + if (!e->network()->currentServer().isEmpty()) + return; + + tryNextNick(e, errnick); +} - nicks << nick; - modes << mode; - } - channel->joinIrcUsers(nicks, modes); +/* ERR_UNAVAILRESOURCE */ +void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e) +{ + if (!checkParamCount(e, 1)) + return; + + QString errnick = e->params().first(); + + // if there is a problem while connecting to the server -> we handle it + // but only if our connection has not been finished yet... + if (!e->network()->currentServer().isEmpty()) + return; + + if (!e->network()->isChannelName(errnick)) + tryNextNick(e, errnick); } + /* template void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) { if(!checkParamCount(e, 1)) @@ -452,3 +1176,221 @@ void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) { } */ + +/* Handle signals from Netsplit objects */ + +void CoreSessionEventProcessor::handleNetsplitJoin(Network *net, + const QString &channel, + const QStringList &users, + const QStringList &modes, + const QString &quitMessage) +{ + IrcChannel *ircChannel = net->ircChannel(channel); + if (!ircChannel) { + return; + } + QList ircUsers; + QStringList newModes = modes; + QStringList newUsers = users; + + foreach(const QString &user, users) { + IrcUser *iu = net->ircUser(nickFromMask(user)); + if (iu) + ircUsers.append(iu); + else { // the user already quit + int idx = users.indexOf(user); + newUsers.removeAt(idx); + newModes.removeAt(idx); + } + } + + ircChannel->joinIrcUsers(ircUsers, newModes); + NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage); + emit newEvent(event); +} + + +void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage) +{ + NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage); + emit newEvent(event); + foreach(QString user, users) { + IrcUser *iu = net->ircUser(nickFromMask(user)); + if (iu) + iu->quit(); + } +} + + +void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes) +{ + IrcChannel *ircChannel = net->ircChannel(channel); + if (!ircChannel) { + qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid"; + return; + } + QList events; + QList ircUsers; + QStringList newModes = modes; + + foreach(QString user, users) { + IrcUser *iu = net->updateNickFromMask(user); + if (iu) { + ircUsers.append(iu); + // fake event for scripts that consume join events + events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel); + } + else { + newModes.removeAt(users.indexOf(user)); + } + } + ircChannel->joinIrcUsers(ircUsers, newModes); + foreach(NetworkEvent *event, events) { + event->setFlag(EventManager::Fake); // ignore this in here! + emit newEvent(event); + } +} + + +void CoreSessionEventProcessor::handleNetsplitFinished() +{ + Netsplit *n = qobject_cast(sender()); + Q_ASSERT(n); + QHash splithash = _netsplits.take(n->network()); + splithash.remove(splithash.key(n)); + if (splithash.count()) + _netsplits[n->network()] = splithash; + n->deleteLater(); +} + + +void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId) +{ + Network *net = coreSession()->network(netId); + if (!net) + return; + + QHash splits = _netsplits.take(net); + qDeleteAll(splits); +} + + +/*******************************/ +/******** CTCP HANDLING ********/ +/*******************************/ + +void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e) +{ + if (e->testFlag(EventManager::Self)) + return; // ignore ctcp events generated by user input + + if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query) + return; + + handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e)); +} + + +void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e) +{ + // This handler is only there to avoid warnings for unknown CTCPs + Q_UNUSED(e); + Q_UNUSED(ctcpCmd); +} + + +void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e) +{ + // This handler is only there to feed CLIENTINFO + Q_UNUSED(e); +} + + +void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e) +{ + QStringList supportedHandlers; + foreach(QString handler, providesHandlers()) + supportedHandlers << handler.toUpper(); + qSort(supportedHandlers); + e->setReply(supportedHandlers.join(" ")); +} + + +// http://www.irchelp.org/irchelp/rfc/ctcpspec.html +// http://en.wikipedia.org/wiki/Direct_Client-to-Client +void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e) +{ + // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in + if (!Quassel::isOptionSet("enable-experimental-dcc")) { + quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out"; + return; + } + + // normal: SEND [] + // reverse: SEND 0 + QStringList params = e->param().split(' '); + if (params.count()) { + QString cmd = params[0].toUpper(); + if (cmd == "SEND") { + if (params.count() < 4) { + qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client + return; + } + QString filename = params[1]; + QHostAddress address; + quint16 port = params[3].toUShort(); + quint64 size = 0; + QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon) + if (numIp.contains(':')) { // IPv6 + if (!address.setAddress(numIp)) { + qWarning() << "Invalid IPv6:" << numIp; + return; + } + } + else { + address.setAddress(numIp.toUInt()); + } + + if (port == 0) { // Reverse DCC is indicated by a 0 port + emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp())); + return; + } + if (port < 1024) { + qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok + } + + + if (params.count() > 4) { // filesize is optional + size = params[4].toULong(); + } + + // TODO: check if target is the right thing to use for the partner + CoreTransfer *transfer = new CoreTransfer(Transfer::Direction::Receive, e->target(), filename, address, port, size, this); + coreSession()->signalProxy()->synchronize(transfer); + coreSession()->transferManager()->addTransfer(transfer); + } + else { + emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp())); + return; + } + } +} + + +void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e) +{ + e->setReply(e->param().isNull() ? "" : e->param()); +} + + +void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e) +{ + e->setReply(QDateTime::currentDateTime().toString()); +} + + +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().commitDate)); +}