#include "coreuserinputhandler.h"
#include "networkevent.h"
+// IRCv3 capabilities
+#include "irccap.h"
+
INIT_SYNCABLE_OBJECT(CoreNetwork)
CoreNetwork::CoreNetwork(const NetworkId &networkid, CoreSession *session)
: Network(networkid, session),
#endif
connect(this, SIGNAL(newEvent(Event *)), coreSession()->eventManager(), SLOT(postEvent(Event *)));
+ // IRCv3 capability handling
+ // These react to CAP messages from the server
+ connect(this, SIGNAL(capAdded(QString)), this, SLOT(serverCapAdded(QString)));
+ connect(this, SIGNAL(capAcknowledged(QString)), this, SLOT(serverCapAcknowledged(QString)));
+ connect(this, SIGNAL(capRemoved(QString)), this, SLOT(serverCapRemoved(QString)));
+
if (Quassel::isOptionSet("oidentd")) {
connect(this, SIGNAL(socketInitialized(const CoreIdentity*, QHostAddress, quint16, QHostAddress, quint16)), Core::instance()->oidentdConfigGenerator(), SLOT(addSocket(const CoreIdentity*, QHostAddress, quint16, QHostAddress, quint16)), Qt::BlockingQueuedConnection);
connect(this, SIGNAL(socketDisconnected(const CoreIdentity*, QHostAddress, quint16, QHostAddress, quint16)), Core::instance()->oidentdConfigGenerator(), SLOT(removeSocket(const CoreIdentity*, QHostAddress, quint16, QHostAddress, quint16)));
// cleaning up old quit reason
_quitReason.clear();
- // reset capability negotiation in case server changes during a reconnect
+ // Reset capability negotiation tracking, also handling server changes during reconnect
_capsQueued.clear();
- _capsPending.clear();
- _capsSupported.clear();
+ clearCaps();
+ _capNegotiationActive = false;
+ _capInitialNegotiationEnded = false;
// use a random server?
if (useRandomServer()) {
/******** IRCv3 Capability Negotiation ********/
-void CoreNetwork::addCap(const QString &capability, const QString &value)
+void CoreNetwork::serverCapAdded(const QString &capability)
{
- // Clear from pending list, add to supported list
- if (!_capsSupported.contains(capability)) {
- if (value != "") {
- // Value defined, just use it
- _capsSupported[capability] = value;
- } else if (_capsPending.contains(capability)) {
- // Value not defined, but a pending capability had a value.
- // E.g. CAP * LS :sasl=PLAIN multi-prefix
- // Preserve the capability value for later use.
- _capsSupported[capability] = _capsPending[capability];
- } else {
- // No value ever given, assign to blank
- _capsSupported[capability] = QString();
- }
+ // Check if it's a known capability; if so, add it to the list
+ // Handle special cases first
+ if (capability == IrcCap::SASL) {
+ // Only request SASL if it's enabled
+ if (networkInfo().useSasl)
+ queueCap(capability);
+ } else if (IrcCap::knownCaps.contains(capability)) {
+ // Handling for general known capabilities
+ queueCap(capability);
}
- if (_capsPending.contains(capability))
- _capsPending.remove(capability);
+}
- // Handle special cases here
- // TODO Use events if it makes sense
- if (capability == "away-notify") {
- // away-notify enabled, stop the automatic timers, handle manually
+void CoreNetwork::serverCapAcknowledged(const QString &capability)
+{
+ // This may be called multiple times in certain situations.
+
+ // Handle core-side configuration
+ if (capability == IrcCap::AWAY_NOTIFY) {
+ // away-notify enabled, stop the autoWho timers, handle manually
setAutoWhoEnabled(false);
}
+
+ // Handle capabilities that require further messages sent to the IRC server
+ // If you change this list, ALSO change the list in CoreNetwork::capsRequiringServerMessages
+ if (capability == IrcCap::SASL) {
+ // If SASL mechanisms specified, limit to what's accepted for authentication
+ // if the current identity has a cert set, use SASL EXTERNAL
+ // FIXME use event
+#ifdef HAVE_SSL
+ if (!identityPtr()->sslCert().isNull()) {
+ if (IrcCap::SaslMech::maybeSupported(capValue(IrcCap::SASL), IrcCap::SaslMech::EXTERNAL)) {
+ // EXTERNAL authentication supported, send request
+ putRawLine(serverEncode("AUTHENTICATE EXTERNAL"));
+ } else {
+ displayMsg(Message::Error, BufferInfo::StatusBuffer, "",
+ tr("SASL EXTERNAL authentication not supported"));
+ sendNextCap();
+ }
+ } else {
+#endif
+ if (IrcCap::SaslMech::maybeSupported(capValue(IrcCap::SASL), IrcCap::SaslMech::PLAIN)) {
+ // PLAIN authentication supported, send request
+ // Only working with PLAIN atm, blowfish later
+ putRawLine(serverEncode("AUTHENTICATE PLAIN"));
+ } else {
+ displayMsg(Message::Error, BufferInfo::StatusBuffer, "",
+ tr("SASL PLAIN authentication not supported"));
+ sendNextCap();
+ }
+#ifdef HAVE_SSL
+ }
+#endif
+ }
}
-void CoreNetwork::removeCap(const QString &capability)
+void CoreNetwork::serverCapRemoved(const QString &capability)
{
- // Clear from pending list, remove from supported list
- if (_capsPending.contains(capability))
- _capsPending.remove(capability);
- if (_capsSupported.contains(capability))
- _capsSupported.remove(capability);
+ // This may be called multiple times in certain situations.
// Handle special cases here
- // TODO Use events if it makes sense
- if (capability == "away-notify") {
- // away-notify disabled, enable autowho according to configuration
+ if (capability == IrcCap::AWAY_NOTIFY) {
+ // away-notify disabled, enable autoWho according to configuration
setAutoWhoEnabled(networkConfig()->autoWhoEnabled());
}
}
-QString CoreNetwork::capValue(const QString &capability) const
+void CoreNetwork::queueCap(const QString &capability)
{
- // If a supported capability exists, good; if not, return pending value.
- // If capability isn't supported after all, the pending entry will be removed.
- if (_capsSupported.contains(capability))
- return _capsSupported[capability];
- else if (_capsPending.contains(capability))
- return _capsPending[capability];
- else
- return QString();
-}
-
-void CoreNetwork::queuePendingCap(const QString &capability, const QString &value)
-{
- if (!_capsQueued.contains(capability)) {
- _capsQueued.append(capability);
- // Some capabilities may have values attached, preserve them as pending
- _capsPending[capability] = value;
+ // IRCv3 specs all use lowercase capability names
+ QString _capLowercase = capability.toLower();
+ if (!_capsQueued.contains(_capLowercase)) {
+ _capsQueued.append(_capLowercase);
}
}
}
}
+void CoreNetwork::beginCapNegotiation()
+{
+ // Don't begin negotiation if no capabilities are queued to request
+ if (!capNegotiationInProgress())
+ return;
+
+ _capNegotiationActive = true;
+ displayMsg(Message::Server, BufferInfo::StatusBuffer, "",
+ tr("Ready to negotiate (found: %1)").arg(caps().join(", ")));
+ displayMsg(Message::Server, BufferInfo::StatusBuffer, "",
+ tr("Negotiating capabilities (requesting: %1)...").arg(_capsQueued.join(", ")));
+ sendNextCap();
+}
+
+void CoreNetwork::sendNextCap()
+{
+ if (capNegotiationInProgress()) {
+ // Request the next capability and remove it from the list
+ // Handle one at a time so one capability failing won't NAK all of 'em
+ putRawLine(serverEncode(QString("CAP REQ :%1").arg(takeQueuedCap())));
+ } else {
+ // No pending desired capabilities, capability negotiation finished
+ // If SASL requested but not available, print a warning
+ if (networkInfo().useSasl && !capEnabled(IrcCap::SASL))
+ displayMsg(Message::Error, BufferInfo::StatusBuffer, "",
+ tr("SASL authentication currently not supported by server"));
+
+ if (_capNegotiationActive) {
+ displayMsg(Message::Server, BufferInfo::StatusBuffer, "",
+ tr("Capability negotiation finished (enabled: %1)").arg(capsEnabled().join(", ")));
+ _capNegotiationActive = false;
+ }
+
+ // If nick registration is already complete, CAP END is not required
+ if (!_capInitialNegotiationEnded) {
+ putRawLine(serverEncode(QString("CAP END")));
+ _capInitialNegotiationEnded = true;
+ }
+ }
+}
+
/******** AutoWHO ********/
void CoreNetwork::startAutoWhoCycle()
if (!_autoWhoQueue.contains(channelOrNick.toLower())) {
_autoWhoQueue.prepend(channelOrNick.toLower());
}
- if (useCapAwayNotify()) {
+ if (capEnabled(IrcCap::AWAY_NOTIFY)) {
// When away-notify is active, the timer's stopped. Start a new cycle to who this channel.
setAutoWhoEnabled(true);
}
// state of everyone. Auto-who won't run on a timer so network impact is minimal.
if (networkConfig()->autoWhoNickLimit() > 0
&& ircchan->ircUsers().count() >= networkConfig()->autoWhoNickLimit()
- && !useCapAwayNotify())
+ && !capEnabled(IrcCap::AWAY_NOTIFY))
continue;
_autoWhoPending[chanOrNick.toLower()]++;
} else if (ircuser) {
}
if (_autoWhoQueue.isEmpty() && networkConfig()->autoWhoEnabled() && !_autoWhoCycleTimer.isActive()
- && !useCapAwayNotify()) {
+ && !capEnabled(IrcCap::AWAY_NOTIFY)) {
// Timer was stopped, means a new cycle is due immediately
// Don't run a new cycle if using away-notify; server will notify as appropriate
_autoWhoCycleTimer.start();
startAutoWhoCycle();
- } else if (useCapAwayNotify() && _autoWhoCycleTimer.isActive()) {
+ } else if (capEnabled(IrcCap::AWAY_NOTIFY) && _autoWhoCycleTimer.isActive()) {
// Don't run another who cycle if away-notify is enabled
_autoWhoCycleTimer.stop();
}
projects / quassel.git / blobdiff