+ QHash<QString, Netsplit*> 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")) {
+ qInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
+ return;
+ }
+
+ // normal: SEND <filename> <ip> <port> [<filesize>]
+ // reverse: SEND <filename> <ip> 0 <filesize> <token>
+ 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)
+{
+ // Use the ISO standard to avoid locale-specific translated names
+ // Include timezone offset data to show which timezone a user's in, otherwise we're providing
+ // NTP-over-IRC with terrible accuracy.
+ e->setReply(formatDateTimeToOffsetISO(QDateTime::currentDateTime()));
+}
+
+void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent* e)
+{
+ // Deliberately do not translate project name
+ // Use the ISO standard to avoid locale-specific translated names
+ // Use UTC time to provide a consistent string regardless of timezone
+ // (Statistics tracking tools usually only group client versions by exact string matching)
+ e->setReply(QString("Quassel IRC %1 (version date %2) -- https://www.quassel-irc.org")
+ .arg(Quassel::buildInfo().plainVersionString)
+ .arg(Quassel::buildInfo().commitDate.isEmpty()
+ ? "unknown"
+ : tryFormatUnixEpoch(Quassel::buildInfo().commitDate, Qt::DateFormat::ISODate, true)));