X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fcore%2Fcore.cpp;h=11db6827fecec292b27ed896ccf1041f73b86031;hp=9c41b560f27dd4d592337e75e1250716dfe900cb;hb=3867471c05de4c463373c6c4d1c414871c14cdc8;hpb=70f360989331414e89072122a038d1675b7581b0 diff --git a/src/core/core.cpp b/src/core/core.cpp index 9c41b560..11db6827 100644 --- a/src/core/core.cpp +++ b/src/core/core.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2005-08 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 * @@ -15,616 +15,950 @@ * 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 -#include -#include #include #include "core.h" +#include "coreauthhandler.h" #include "coresession.h" #include "coresettings.h" +#include "logger.h" +#include "internalpeer.h" +#include "network.h" +#include "postgresqlstorage.h" #include "quassel.h" -#include "signalproxy.h" #include "sqlitestorage.h" -#include "network.h" -#include "logger.h" - #include "util.h" +// migration related +#include +#ifdef Q_OS_WIN +# include +#else +# include +# include +#endif /* Q_OS_WIN */ + +#ifdef HAVE_UMASK +# include +# include +#endif /* HAVE_UMASK */ + +// ============================== +// Custom Events +// ============================== +const int Core::AddClientEventId = QEvent::registerEventType(); + +class AddClientEvent : public QEvent +{ +public: + AddClientEvent(RemotePeer *p, UserId uid) : QEvent(QEvent::Type(Core::AddClientEventId)), peer(p), userId(uid) {} + RemotePeer *peer; + UserId userId; +}; + + +// ============================== +// Core +// ============================== Core *Core::instanceptr = 0; -QMutex Core::mutex; -Core *Core::instance() { - if(instanceptr) return instanceptr; - instanceptr = new Core(); - instanceptr->init(); - return instanceptr; +Core *Core::instance() +{ + if (instanceptr) return instanceptr; + instanceptr = new Core(); + instanceptr->init(); + return instanceptr; } -void Core::destroy() { - delete instanceptr; - instanceptr = 0; + +void Core::destroy() +{ + delete instanceptr; + instanceptr = 0; } -Core::Core() : storage(0) { - _startTime = QDateTime::currentDateTime().toUTC(); // for uptime :) - // Register storage backends here! - registerStorageBackend(new SqliteStorage(this)); +Core::Core() + : QObject(), + _storage(0) +{ +#ifdef HAVE_UMASK + umask(S_IRWXG | S_IRWXO); +#endif + _startTime = QDateTime::currentDateTime().toUTC(); // for uptime :) + + Quassel::loadTranslation(QLocale::system()); + + // FIXME: MIGRATION 0.3 -> 0.4: Move database and core config to new location + // Move settings, note this does not delete the old files +#ifdef Q_OS_MAC + QSettings newSettings("quassel-irc.org", "quasselcore"); +#else + +# ifdef Q_OS_WIN + QSettings::Format format = QSettings::IniFormat; +# else + QSettings::Format format = QSettings::NativeFormat; +# endif + QString newFilePath = Quassel::configDirPath() + "quasselcore" + + ((format == QSettings::NativeFormat) ? QLatin1String(".conf") : QLatin1String(".ini")); + QSettings newSettings(newFilePath, format); +#endif /* Q_OS_MAC */ + + if (newSettings.value("Config/Version").toUInt() == 0) { +# ifdef Q_OS_MAC + QString org = "quassel-irc.org"; +# else + QString org = "Quassel Project"; +# endif + QSettings oldSettings(org, "Quassel Core"); + if (oldSettings.allKeys().count()) { + qWarning() << "\n\n*** IMPORTANT: Config and data file locations have changed. Attempting to auto-migrate your core settings..."; + foreach(QString key, oldSettings.allKeys()) + newSettings.setValue(key, oldSettings.value(key)); + newSettings.setValue("Config/Version", 1); + qWarning() << "* Your core settings have been migrated to" << newSettings.fileName(); + +#ifndef Q_OS_MAC /* we don't need to move the db and cert for mac */ +#ifdef Q_OS_WIN + QString quasselDir = qgetenv("APPDATA") + "/quassel/"; +#elif defined Q_OS_MAC + QString quasselDir = QDir::homePath() + "/Library/Application Support/Quassel/"; +#else + QString quasselDir = QDir::homePath() + "/.quassel/"; +#endif + + QFileInfo info(Quassel::configDirPath() + "quassel-storage.sqlite"); + if (!info.exists()) { + // move database, if we found it + QFile oldDb(quasselDir + "quassel-storage.sqlite"); + if (oldDb.exists()) { + bool success = oldDb.rename(Quassel::configDirPath() + "quassel-storage.sqlite"); + if (success) + qWarning() << "* Your database has been moved to" << Quassel::configDirPath() + "quassel-storage.sqlite"; + else + qWarning() << "!!! Moving your database has failed. Please move it manually into" << Quassel::configDirPath(); + } + } + // move certificate + QFileInfo certInfo(quasselDir + "quasselCert.pem"); + if (certInfo.exists()) { + QFile cert(quasselDir + "quasselCert.pem"); + bool success = cert.rename(Quassel::configDirPath() + "quasselCert.pem"); + if (success) + qWarning() << "* Your certificate has been moved to" << Quassel::configDirPath() + "quasselCert.pem"; + else + qWarning() << "!!! Moving your certificate has failed. Please move it manually into" << Quassel::configDirPath(); + } +#endif /* !Q_OS_MAC */ + qWarning() << "*** Migration completed.\n\n"; + } + } + // MIGRATION end + + // check settings version + // so far, we only have 1 + CoreSettings s; + if (s.version() != 1) { + qCritical() << "Invalid core settings version, terminating!"; + exit(EXIT_FAILURE); + } + + registerStorageBackends(); - if(!_storageBackends.count()) { - quWarning() << qPrintable(tr("Could not initialize any storage backend! Exiting...")); - quWarning() << qPrintable(tr("Currently, Quassel only supports SQLite3. You need to build your\n" - "Qt library with the sqlite plugin enabled in order for quasselcore\n" - "to work.")); - exit(1); // TODO make this less brutal (especially for mono client -> popup) - } - connect(&_storageSyncTimer, SIGNAL(timeout()), this, SLOT(syncStorage())); - _storageSyncTimer.start(10 * 60 * 1000); // in msecs + connect(&_storageSyncTimer, SIGNAL(timeout()), this, SLOT(syncStorage())); + _storageSyncTimer.start(10 * 60 * 1000); // 10 minutes } -void Core::init() { - configured = false; - CoreSettings cs; +void Core::init() +{ + CoreSettings cs; + // legacy + QVariantMap dbsettings = cs.storageSettings().toMap(); + _configured = initStorage(dbsettings.value("Backend").toString(), dbsettings.value("ConnectionProperties").toMap()); - if(!(configured = initStorage(cs.storageSettings().toMap()))) { - quWarning() << "Core is currently not configured! Please connect with a Quassel Client for basic setup."; + if (Quassel::isOptionSet("select-backend")) { + selectBackend(Quassel::optionValue("select-backend")); + exit(0); + } + + if (!_configured) { + if (!_storageBackends.count()) { + qWarning() << qPrintable(tr("Could not initialize any storage backend! Exiting...")); + qWarning() << qPrintable(tr("Currently, Quassel supports SQLite3 and PostgreSQL. You need to build your\n" + "Qt library with the sqlite or postgres plugin enabled in order for quasselcore\n" + "to work.")); + exit(1); // TODO make this less brutal (especially for mono client -> popup) + } + qWarning() << "Core is currently not configured! Please connect with a Quassel Client for basic setup."; + } + + if (Quassel::isOptionSet("add-user")) { + exit(createUser() ? EXIT_SUCCESS : EXIT_FAILURE); + + } - // try to migrate old settings - QVariantMap old = cs.oldDbSettings().toMap(); - if(old.count() && old["Type"].toString().toUpper() == "SQLITE") { - QVariantMap newSettings; - newSettings["Backend"] = "SQLite"; - if((configured = initStorage(newSettings))) { - quWarning() << "...but thankfully I found some old settings to migrate!"; - cs.setStorageSettings(newSettings); - } + if (Quassel::isOptionSet("change-userpass")) { + exit(changeUserPass(Quassel::optionValue("change-userpass")) ? + EXIT_SUCCESS : EXIT_FAILURE); } - } - connect(&_server, SIGNAL(newConnection()), this, SLOT(incomingConnection())); - connect(&_v6server, SIGNAL(newConnection()), this, SLOT(incomingConnection())); - if(!startListening()) exit(1); // TODO make this less brutal + connect(&_server, SIGNAL(newConnection()), this, SLOT(incomingConnection())); + connect(&_v6server, SIGNAL(newConnection()), this, SLOT(incomingConnection())); + if (!startListening()) exit(1); // TODO make this less brutal + + if (Quassel::isOptionSet("oidentd")) + _oidentdConfigGenerator = new OidentdConfigGenerator(this); } -Core::~Core() { - foreach(QTcpSocket *socket, blocksizes.keys()) { - socket->disconnectFromHost(); // disconnect non authed clients - } - qDeleteAll(sessions); - qDeleteAll(_storageBackends); + +Core::~Core() +{ + // FIXME do we need more cleanup for handlers? + foreach(CoreAuthHandler *handler, _connectingClients) { + handler->deleteLater(); // disconnect non authed clients + } + qDeleteAll(_sessions); + qDeleteAll(_storageBackends); } + /*** Session Restore ***/ -void Core::saveState() { - CoreSettings s; - QVariantMap state; - QVariantList activeSessions; - foreach(UserId user, instance()->sessions.keys()) activeSessions << QVariant::fromValue(user); - state["CoreStateVersion"] = 1; - state["ActiveSessions"] = activeSessions; - s.setCoreState(state); -} - -void Core::restoreState() { - if(!instance()->configured) { - // qWarning() << qPrintable(tr("Cannot restore a state for an unconfigured core!")); - return; - } - if(instance()->sessions.count()) { - quWarning() << qPrintable(tr("Calling restoreState() even though active sessions exist!")); - return; - } - CoreSettings s; - /* We don't check, since we are at the first version since switching to Git - uint statever = s.coreState().toMap()["CoreStateVersion"].toUInt(); - if(statever < 1) { - qWarning() << qPrintable(tr("Core state too old, ignoring...")); - return; - } - */ - QVariantList activeSessions = s.coreState().toMap()["ActiveSessions"].toList(); - if(activeSessions.count() > 0) { - quInfo() << "Restoring previous core state..."; - foreach(QVariant v, activeSessions) { - UserId user = v.value(); - instance()->createSession(user, true); - } - } +void Core::saveState() +{ + CoreSettings s; + QVariantMap state; + QVariantList activeSessions; + foreach(UserId user, instance()->_sessions.keys()) + activeSessions << QVariant::fromValue(user); + state["CoreStateVersion"] = 1; + state["ActiveSessions"] = activeSessions; + s.setCoreState(state); } -/*** Core Setup ***/ -QString Core::setupCore(const QVariant &setupData_) { - QVariantMap setupData = setupData_.toMap(); - QString user = setupData.take("AdminUser").toString(); - QString password = setupData.take("AdminPasswd").toString(); - if(user.isEmpty() || password.isEmpty()) { - return tr("Admin user or password not set."); - } - if(!initStorage(setupData, true)) { - return tr("Could not setup storage!"); - } - CoreSettings s; - s.setStorageSettings(setupData); - quInfo() << qPrintable(tr("Creating admin user...")); - mutex.lock(); - storage->addUser(user, password); - mutex.unlock(); - startListening(); // TODO check when we need this - return QString(); +void Core::restoreState() +{ + if (!instance()->_configured) { + // qWarning() << qPrintable(tr("Cannot restore a state for an unconfigured core!")); + return; + } + if (instance()->_sessions.count()) { + qWarning() << qPrintable(tr("Calling restoreState() even though active sessions exist!")); + return; + } + CoreSettings s; + /* We don't check, since we are at the first version since switching to Git + uint statever = s.coreState().toMap()["CoreStateVersion"].toUInt(); + if(statever < 1) { + qWarning() << qPrintable(tr("Core state too old, ignoring...")); + return; + } + */ + + QVariantList activeSessions = s.coreState().toMap()["ActiveSessions"].toList(); + if (activeSessions.count() > 0) { + quInfo() << "Restoring previous core state..."; + foreach(QVariant v, activeSessions) { + UserId user = v.value(); + instance()->sessionForUser(user, true); + } + } } -/*** Storage Handling ***/ -bool Core::registerStorageBackend(Storage *backend) { - if(backend->isAvailable()) { - _storageBackends[backend->displayName()] = backend; - return true; - } else { - backend->deleteLater(); - return false; - } -} +/*** Core Setup ***/ -void Core::unregisterStorageBackend(Storage *backend) { - _storageBackends.remove(backend->displayName()); - backend->deleteLater(); +QString Core::setup(const QString &adminUser, const QString &adminPassword, const QString &backend, const QVariantMap &setupData) +{ + return instance()->setupCore(adminUser, adminPassword, backend, setupData); } -// old db settings: -// "Type" => "sqlite" -bool Core::initStorage(QVariantMap dbSettings, bool setup) { - QString backend = dbSettings["Backend"].toString(); - if(backend.isEmpty()) { - //qWarning() << "No storage backend selected!"; - return configured = false; - } - - if(_storageBackends.contains(backend)) { - storage = _storageBackends[backend]; - } else { - quError() << "Selected storage backend is not available:" << backend; - return configured = false; - } - if(!storage->init(dbSettings)) { - if(!setup || !(storage->setup(dbSettings) && storage->init(dbSettings))) { - quError() << "Could not init storage!"; - storage = 0; - return configured = false; - } - } - // delete all other backends - foreach(Storage *s, _storageBackends.values()) { - if(s != storage) s->deleteLater(); - } - _storageBackends.clear(); - - connect(storage, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &)), this, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &))); - return configured = true; -} - -void Core::syncStorage() { - QMutexLocker locker(&mutex); - if(storage) storage->sync(); -} -/*** Storage Access ***/ -void Core::setUserSetting(UserId userId, const QString &settingName, const QVariant &data) { - QMutexLocker locker(&mutex); - instance()->storage->setUserSetting(userId, settingName, data); -} +QString Core::setupCore(const QString &adminUser, const QString &adminPassword, const QString &backend, const QVariantMap &setupData) +{ + if (_configured) + return tr("Core is already configured! Not configuring again..."); -QVariant Core::getUserSetting(UserId userId, const QString &settingName, const QVariant &data) { - QMutexLocker locker(&mutex); - return instance()->storage->getUserSetting(userId, settingName, data); -} + if (adminUser.isEmpty() || adminPassword.isEmpty()) { + return tr("Admin user or password not set."); + } + if (!(_configured = initStorage(backend, setupData, true))) { + return tr("Could not setup storage!"); + } -bool Core::createNetwork(UserId user, NetworkInfo &info) { - QMutexLocker locker(&mutex); - NetworkId networkId = instance()->storage->createNetwork(user, info); - if(!networkId.isValid()) - return false; + saveBackendSettings(backend, setupData); - info.networkId = networkId; - return true; + quInfo() << qPrintable(tr("Creating admin user...")); + _storage->addUser(adminUser, adminPassword); + startListening(); // TODO check when we need this + return QString(); } -bool Core::updateNetwork(UserId user, const NetworkInfo &info) { - QMutexLocker locker(&mutex); - return instance()->storage->updateNetwork(user, info); -} -bool Core::removeNetwork(UserId user, const NetworkId &networkId) { - QMutexLocker locker(&mutex); - return instance()->storage->removeNetwork(user, networkId); -} +QString Core::setupCoreForInternalUsage() +{ + Q_ASSERT(!_storageBackends.isEmpty()); -QList Core::networks(UserId user) { - QMutexLocker locker(&mutex); - return instance()->storage->networks(user); -} + qsrand(QDateTime::currentDateTime().toTime_t()); + int pass = 0; + for (int i = 0; i < 10; i++) { + pass *= 10; + pass += qrand() % 10; + } -NetworkId Core::networkId(UserId user, const QString &network) { - QMutexLocker locker(&mutex); - return instance()->storage->getNetworkId(user, network); + // mono client currently needs sqlite + return setupCore("AdminUser", QString::number(pass), "SQLite", QVariantMap()); } -QList Core::connectedNetworks(UserId user) { - QMutexLocker locker(&mutex); - return instance()->storage->connectedNetworks(user); + +/*** Storage Handling ***/ +void Core::registerStorageBackends() +{ + // Register storage backends here! + registerStorageBackend(new SqliteStorage(this)); + registerStorageBackend(new PostgreSqlStorage(this)); } -void Core::setNetworkConnected(UserId user, const NetworkId &networkId, bool isConnected) { - QMutexLocker locker(&mutex); - return instance()->storage->setNetworkConnected(user, networkId, isConnected); + +bool Core::registerStorageBackend(Storage *backend) +{ + if (backend->isAvailable()) { + _storageBackends[backend->displayName()] = backend; + return true; + } + else { + backend->deleteLater(); + return false; + } } -QHash Core::persistentChannels(UserId user, const NetworkId &networkId) { - QMutexLocker locker(&mutex); - return instance()->storage->persistentChannels(user, networkId); + +void Core::unregisterStorageBackends() +{ + foreach(Storage *s, _storageBackends.values()) { + s->deleteLater(); + } + _storageBackends.clear(); } -void Core::setChannelPersistent(UserId user, const NetworkId &networkId, const QString &channel, bool isJoined) { - QMutexLocker locker(&mutex); - return instance()->storage->setChannelPersistent(user, networkId, channel, isJoined); + +void Core::unregisterStorageBackend(Storage *backend) +{ + _storageBackends.remove(backend->displayName()); + backend->deleteLater(); } -void Core::setPersistentChannelKey(UserId user, const NetworkId &networkId, const QString &channel, const QString &key) { - QMutexLocker locker(&mutex); - return instance()->storage->setPersistentChannelKey(user, networkId, channel, key); + +// old db settings: +// "Type" => "sqlite" +bool Core::initStorage(const QString &backend, const QVariantMap &settings, bool setup) +{ + _storage = 0; + + if (backend.isEmpty()) { + return false; + } + + Storage *storage = 0; + if (_storageBackends.contains(backend)) { + storage = _storageBackends[backend]; + } + else { + qCritical() << "Selected storage backend is not available:" << backend; + return false; + } + + Storage::State storageState = storage->init(settings); + switch (storageState) { + case Storage::NeedsSetup: + if (!setup) + return false; // trigger setup process + if (storage->setup(settings)) + return initStorage(backend, settings, false); + // if initialization wasn't successful, we quit to keep from coming up unconfigured + case Storage::NotAvailable: + qCritical() << "FATAL: Selected storage backend is not available:" << backend; + exit(EXIT_FAILURE); + case Storage::IsReady: + // delete all other backends + _storageBackends.remove(backend); + unregisterStorageBackends(); + connect(storage, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &)), this, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &))); + } + _storage = storage; + return true; } -BufferInfo Core::bufferInfo(UserId user, const NetworkId &networkId, BufferInfo::Type type, const QString &buffer) { - QMutexLocker locker(&mutex); - return instance()->storage->getBufferInfo(user, networkId, type, buffer); + +void Core::syncStorage() +{ + if (_storage) + _storage->sync(); } -BufferInfo Core::getBufferInfo(UserId user, const BufferId &bufferId) { - QMutexLocker locker(&mutex); - return instance()->storage->getBufferInfo(user, bufferId); + +/*** Storage Access ***/ +bool Core::createNetwork(UserId user, NetworkInfo &info) +{ + NetworkId networkId = instance()->_storage->createNetwork(user, info); + if (!networkId.isValid()) + return false; + + info.networkId = networkId; + return true; } -MsgId Core::storeMessage(const Message &message) { - QMutexLocker locker(&mutex); - return instance()->storage->logMessage(message); + +/*** Network Management ***/ + +bool Core::sslSupported() +{ +#ifdef HAVE_SSL + SslServer *sslServer = qobject_cast(&instance()->_server); + return sslServer && sslServer->isCertValid(); +#else + return false; +#endif } -QList Core::requestMsgs(UserId user, BufferId buffer, int lastmsgs, int offset) { - QMutexLocker locker(&mutex); - return instance()->storage->requestMsgs(user, buffer, lastmsgs, offset); + +bool Core::reloadCerts() +{ +#ifdef HAVE_SSL + SslServer *sslServer = qobject_cast(&instance()->_server); + return sslServer->reloadCerts(); +#else + // SSL not supported, don't mark configuration reload as failed + return true; +#endif } -QList Core::requestMsgs(UserId user, BufferId buffer, QDateTime since, int offset) { - QMutexLocker locker(&mutex); - return instance()->storage->requestMsgs(user, buffer, since, offset); + +bool Core::startListening() +{ + // in mono mode we only start a local port if a port is specified in the cli call + if (Quassel::runMode() == Quassel::Monolithic && !Quassel::isOptionSet("port")) + return true; + + bool success = false; + uint port = Quassel::optionValue("port").toUInt(); + + const QString listen = Quassel::optionValue("listen"); + const QStringList listen_list = listen.split(",", QString::SkipEmptyParts); + if (listen_list.size() > 0) { + foreach(const QString listen_term, listen_list) { // TODO: handle multiple interfaces for same TCP version gracefully + QHostAddress addr; + if (!addr.setAddress(listen_term)) { + qCritical() << qPrintable( + tr("Invalid listen address %1") + .arg(listen_term) + ); + } + else { + switch (addr.protocol()) { + case QAbstractSocket::IPv6Protocol: + if (_v6server.listen(addr, port)) { + quInfo() << qPrintable( + tr("Listening for GUI clients on IPv6 %1 port %2 using protocol version %3") + .arg(addr.toString()) + .arg(_v6server.serverPort()) + .arg(Quassel::buildInfo().protocolVersion) + ); + success = true; + } + else + quWarning() << qPrintable( + tr("Could not open IPv6 interface %1:%2: %3") + .arg(addr.toString()) + .arg(port) + .arg(_v6server.errorString())); + break; + case QAbstractSocket::IPv4Protocol: + if (_server.listen(addr, port)) { + quInfo() << qPrintable( + tr("Listening for GUI clients on IPv4 %1 port %2 using protocol version %3") + .arg(addr.toString()) + .arg(_server.serverPort()) + .arg(Quassel::buildInfo().protocolVersion) + ); + success = true; + } + else { + // if v6 succeeded on Any, the port will be already in use - don't display the error then + if (!success || _server.serverError() != QAbstractSocket::AddressInUseError) + quWarning() << qPrintable( + tr("Could not open IPv4 interface %1:%2: %3") + .arg(addr.toString()) + .arg(port) + .arg(_server.errorString())); + } + break; + default: + qCritical() << qPrintable( + tr("Invalid listen address %1, unknown network protocol") + .arg(listen_term) + ); + break; + } + } + } + } + if (!success) + quError() << qPrintable(tr("Could not open any network interfaces to listen on!")); + + return success; } -QList Core::requestMsgRange(UserId user, BufferId buffer, int first, int last) { - QMutexLocker locker(&mutex); - return instance()->storage->requestMsgRange(user, buffer, first, last); + +void Core::stopListening(const QString &reason) +{ + bool wasListening = false; + if (_server.isListening()) { + wasListening = true; + _server.close(); + } + if (_v6server.isListening()) { + wasListening = true; + _v6server.close(); + } + if (wasListening) { + if (reason.isEmpty()) + quInfo() << "No longer listening for GUI clients."; + else + quInfo() << qPrintable(reason); + } } -QList Core::requestBuffers(UserId user) { - QMutexLocker locker(&mutex); - return instance()->storage->requestBuffers(user); + +void Core::incomingConnection() +{ + QTcpServer *server = qobject_cast(sender()); + Q_ASSERT(server); + while (server->hasPendingConnections()) { + QTcpSocket *socket = server->nextPendingConnection(); + + CoreAuthHandler *handler = new CoreAuthHandler(socket, this); + _connectingClients.insert(handler); + + connect(handler, SIGNAL(disconnected()), SLOT(clientDisconnected())); + connect(handler, SIGNAL(socketError(QAbstractSocket::SocketError,QString)), SLOT(socketError(QAbstractSocket::SocketError,QString))); + connect(handler, SIGNAL(handshakeComplete(RemotePeer*,UserId)), SLOT(setupClientSession(RemotePeer*,UserId))); + + quInfo() << qPrintable(tr("Client connected from")) << qPrintable(socket->peerAddress().toString()); + + if (!_configured) { + stopListening(tr("Closing server for basic setup.")); + } + } } -QList Core::requestBufferIdsForNetwork(UserId user, NetworkId networkId) { - QMutexLocker locker(&mutex); - return instance()->storage->requestBufferIdsForNetwork(user, networkId); + +// Potentially called during the initialization phase (before handing the connection off to the session) +void Core::clientDisconnected() +{ + CoreAuthHandler *handler = qobject_cast(sender()); + Q_ASSERT(handler); + + quInfo() << qPrintable(tr("Non-authed client disconnected:")) << qPrintable(handler->socket()->peerAddress().toString()); + _connectingClients.remove(handler); + handler->deleteLater(); + + // make server listen again if still not configured + if (!_configured) { + startListening(); + } + + // TODO remove unneeded sessions - if necessary/possible... + // Suggestion: kill sessions if they are not connected to any network and client. } -bool Core::removeBuffer(const UserId &user, const BufferId &bufferId) { - QMutexLocker locker(&mutex); - return instance()->storage->removeBuffer(user, bufferId); + +void Core::setupClientSession(RemotePeer *peer, UserId uid) +{ + CoreAuthHandler *handler = qobject_cast(sender()); + Q_ASSERT(handler); + + // From now on everything is handled by the client session + disconnect(handler, 0, this, 0); + _connectingClients.remove(handler); + handler->deleteLater(); + + // Find or create session for validated user + sessionForUser(uid); + + // as we are currently handling an event triggered by incoming data on this socket + // it is unsafe to directly move the socket to the client thread. + QCoreApplication::postEvent(this, new AddClientEvent(peer, uid)); } -BufferId Core::renameBuffer(const UserId &user, const NetworkId &networkId, const QString &newName, const QString &oldName) { - QMutexLocker locker(&mutex); - return instance()->storage->renameBuffer(user, networkId, newName, oldName); + +void Core::customEvent(QEvent *event) +{ + if (event->type() == AddClientEventId) { + AddClientEvent *addClientEvent = static_cast(event); + addClientHelper(addClientEvent->peer, addClientEvent->userId); + return; + } } -void Core::setBufferLastSeenMsg(UserId user, const BufferId &bufferId, const MsgId &msgId) { - QMutexLocker locker(&mutex); - return instance()->storage->setBufferLastSeenMsg(user, bufferId, msgId); + +void Core::addClientHelper(RemotePeer *peer, UserId uid) +{ + // Find or create session for validated user + SessionThread *session = sessionForUser(uid); + session->addClient(peer); } -QHash Core::bufferLastSeenMsgIds(UserId user) { - QMutexLocker locker(&mutex); - return instance()->storage->bufferLastSeenMsgIds(user); + +void Core::setupInternalClientSession(InternalPeer *clientPeer) +{ + if (!_configured) { + stopListening(); + setupCoreForInternalUsage(); + } + + UserId uid; + if (_storage) { + uid = _storage->internalUser(); + } + else { + qWarning() << "Core::setupInternalClientSession(): You're trying to run monolithic Quassel with an unusable Backend! Go fix it!"; + return; + } + + InternalPeer *corePeer = new InternalPeer(this); + corePeer->setPeer(clientPeer); + clientPeer->setPeer(corePeer); + + // Find or create session for validated user + SessionThread *sessionThread = sessionForUser(uid); + sessionThread->addClient(corePeer); } -/*** Network Management ***/ -bool Core::startListening() { - bool success = false; - uint port = Quassel::optionValue("port").toUInt(); - - if(_server.listen(QHostAddress::Any, port)) { - quInfo() << "Listening for GUI clients on IPv6 port" << _server.serverPort() - << "using protocol version" << Quassel::buildInfo().protocolVersion; - success = true; - } - if(_v6server.listen(QHostAddress::AnyIPv6, port)) { - quInfo() << "Listening for GUI clients on IPv4 port" << _v6server.serverPort() - << "using protocol version" << Quassel::buildInfo().protocolVersion; - success = true; - } - - if(!success) { - quError() << qPrintable(QString("Could not open GUI client port %1: %2").arg(port).arg(_server.errorString())); - } - - return success; -} - -void Core::stopListening() { - _server.close(); - _v6server.close(); - quInfo() << "No longer listening for GUI clients."; -} - -void Core::incomingConnection() { - QTcpServer *server = qobject_cast(sender()); - Q_ASSERT(server); - while(server->hasPendingConnections()) { - QTcpSocket *socket = server->nextPendingConnection(); - connect(socket, SIGNAL(disconnected()), this, SLOT(clientDisconnected())); - connect(socket, SIGNAL(readyRead()), this, SLOT(clientHasData())); - connect(socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(socketError(QAbstractSocket::SocketError))); - - QVariantMap clientInfo; - blocksizes.insert(socket, (quint32)0); - quInfo() << qPrintable(tr("Client connected from")) << qPrintable(socket->peerAddress().toString()); - - if(!configured) { - _server.close(); - _v6server.close(); - quDebug() << "Closing server for basic setup."; - } - } -} - -void Core::clientHasData() { - QTcpSocket *socket = dynamic_cast(sender()); - Q_ASSERT(socket && blocksizes.contains(socket)); - QVariant item; - while(SignalProxy::readDataFromDevice(socket, blocksizes[socket], item)) { - QVariantMap msg = item.toMap(); - processClientMessage(socket, msg); - if(!blocksizes.contains(socket)) break; // this socket is no longer ours to handle! - } -} - -void Core::processClientMessage(QTcpSocket *socket, const QVariantMap &msg) { - if(!msg.contains("MsgType")) { - // Client is way too old, does not even use the current init format - quWarning() << qPrintable(tr("Antique client trying to connect... refusing.")); - socket->close(); - return; - } - // OK, so we have at least an init message format we can understand - if(msg["MsgType"] == "ClientInit") { - QVariantMap reply; - - // Just version information -- check it! - uint ver = msg["ProtocolVersion"].toUInt(); - if(ver < Quassel::buildInfo().coreNeedsProtocol) { - reply["MsgType"] = "ClientInitReject"; - reply["Error"] = tr("Your Quassel Client is too old!
" - "This core needs at least client/core protocol version %1.
" - "Please consider upgrading your client.").arg(Quassel::buildInfo().coreNeedsProtocol); - SignalProxy::writeDataToDevice(socket, reply); - quWarning() << qPrintable(tr("Client")) << qPrintable(socket->peerAddress().toString()) << qPrintable(tr("too old, rejecting.")); - socket->close(); return; - } - - reply["CoreVersion"] = Quassel::buildInfo().fancyVersionString; - reply["CoreDate"] = Quassel::buildInfo().buildDate; - reply["ProtocolVersion"] = Quassel::buildInfo().protocolVersion; - // TODO: Make the core info configurable - int uptime = startTime().secsTo(QDateTime::currentDateTime().toUTC()); - int updays = uptime / 86400; uptime %= 86400; - int uphours = uptime / 3600; uptime %= 3600; - int upmins = uptime / 60; - reply["CoreInfo"] = tr("Quassel Core Version %1
" - "Built: %2
" - "Up %3d%4h%5m (since %6)").arg(Quassel::buildInfo().fancyVersionString) - .arg(Quassel::buildInfo().buildDate) - .arg(updays).arg(uphours,2,10,QChar('0')).arg(upmins,2,10,QChar('0')).arg(startTime().toString(Qt::TextDate)); +SessionThread *Core::sessionForUser(UserId uid, bool restore) +{ + if (_sessions.contains(uid)) + return _sessions[uid]; -#ifdef HAVE_SSL - SslServer *sslServer = qobject_cast(&_server); - QSslSocket *sslSocket = qobject_cast(socket); - bool supportSsl = (bool)sslServer && (bool)sslSocket && sslServer->certIsValid(); -#else - bool supportSsl = false; -#endif + SessionThread *session = new SessionThread(uid, restore, this); + _sessions[uid] = session; + session->start(); + return session; +} -#ifndef QT_NO_COMPRESS - bool supportsCompression = true; -#else - bool supportsCompression = false; -#endif - reply["SupportSsl"] = supportSsl; - reply["SupportsCompression"] = supportsCompression; - // switch to ssl/compression after client has been informed about our capabilities (see below) +void Core::socketError(QAbstractSocket::SocketError err, const QString &errorString) +{ + qWarning() << QString("Socket error %1: %2").arg(err).arg(errorString); +} - reply["LoginEnabled"] = true; - // check if we are configured, start wizard otherwise - if(!configured) { - reply["Configured"] = false; - QList backends; - foreach(Storage *backend, _storageBackends.values()) { +QVariantList Core::backendInfo() +{ + QVariantList backends; + foreach(const Storage *backend, instance()->_storageBackends.values()) { QVariantMap v; v["DisplayName"] = backend->displayName(); v["Description"] = backend->description(); + v["SetupKeys"] = backend->setupKeys(); + v["SetupDefaults"] = backend->setupDefaults(); + v["IsDefault"] = isStorageBackendDefault(backend); backends.append(v); - } - reply["StorageBackends"] = backends; - reply["LoginEnabled"] = false; - } else { - reply["Configured"] = true; } - clientInfo[socket] = msg; // store for future reference - reply["MsgType"] = "ClientInitAck"; - SignalProxy::writeDataToDevice(socket, reply); + return backends; +} -#ifdef HAVE_SSL - // after we told the client that we are ssl capable we switch to ssl mode - if(supportSsl && msg["UseSsl"].toBool()) { - quDebug() << qPrintable(tr("Starting TLS for Client:")) << qPrintable(socket->peerAddress().toString()); - connect(sslSocket, SIGNAL(sslErrors(const QList &)), this, SLOT(sslErrors(const QList &))); - sslSocket->startServerEncryption(); + +// migration / backend selection +bool Core::selectBackend(const QString &backend) +{ + // reregister all storage backends + registerStorageBackends(); + if (!_storageBackends.contains(backend)) { + qWarning() << qPrintable(QString("Core::selectBackend(): unsupported backend: %1").arg(backend)); + qWarning() << " supported backends are:" << qPrintable(QStringList(_storageBackends.keys()).join(", ")); + return false; } -#endif -#ifndef QT_NO_COMPRESS - if(supportsCompression && msg["UseCompression"].toBool()) { - socket->setProperty("UseCompression", true); - quDebug() << "Using compression for Client:" << qPrintable(socket->peerAddress().toString()); + Storage *storage = _storageBackends[backend]; + QVariantMap settings = promptForSettings(storage); + + Storage::State storageState = storage->init(settings); + switch (storageState) { + case Storage::IsReady: + saveBackendSettings(backend, settings); + qWarning() << "Switched backend to:" << qPrintable(backend); + qWarning() << "Backend already initialized. Skipping Migration"; + return true; + case Storage::NotAvailable: + qCritical() << "Backend is not available:" << qPrintable(backend); + return false; + case Storage::NeedsSetup: + if (!storage->setup(settings)) { + qWarning() << qPrintable(QString("Core::selectBackend(): unable to setup backend: %1").arg(backend)); + return false; + } + + if (storage->init(settings) != Storage::IsReady) { + qWarning() << qPrintable(QString("Core::migrateBackend(): unable to initialize backend: %1").arg(backend)); + return false; + } + + saveBackendSettings(backend, settings); + qWarning() << "Switched backend to:" << qPrintable(backend); + break; } -#endif - } else { - // for the rest, we need an initialized connection - if(!clientInfo.contains(socket)) { - QVariantMap reply; - reply["MsgType"] = "ClientLoginReject"; - reply["Error"] = tr("Client not initialized!
You need to send an init message before trying to login."); - SignalProxy::writeDataToDevice(socket, reply); - quWarning() << qPrintable(tr("Client")) << qPrintable(socket->peerAddress().toString()) << qPrintable(tr("did not send an init message before trying to login, rejecting.")); - socket->close(); return; - } - if(msg["MsgType"] == "CoreSetupData") { - QVariantMap reply; - QString result = setupCore(msg["SetupData"]); - if(!result.isEmpty()) { - reply["MsgType"] = "CoreSetupReject"; - reply["Error"] = result; - } else { - reply["MsgType"] = "CoreSetupAck"; - } - SignalProxy::writeDataToDevice(socket, reply); - } else if(msg["MsgType"] == "ClientLogin") { - QVariantMap reply; - mutex.lock(); - UserId uid = storage->validateUser(msg["User"].toString(), msg["Password"].toString()); - mutex.unlock(); - if(uid == 0) { - reply["MsgType"] = "ClientLoginReject"; - reply["Error"] = tr("Invalid username or password!
The username/password combination you supplied could not be found in the database."); - SignalProxy::writeDataToDevice(socket, reply); - return; - } - reply["MsgType"] = "ClientLoginAck"; - SignalProxy::writeDataToDevice(socket, reply); - quInfo() << qPrintable(tr("Client")) << qPrintable(socket->peerAddress().toString()) << qPrintable(tr("initialized and authenticated successfully as \"%1\" (UserId: %2).").arg(msg["User"].toString()).arg(uid.toInt())); - setupClientSession(socket, uid); + // let's see if we have a current storage object we can migrate from + AbstractSqlMigrationReader *reader = getMigrationReader(_storage); + AbstractSqlMigrationWriter *writer = getMigrationWriter(storage); + if (reader && writer) { + qDebug() << qPrintable(QString("Migrating Storage backend %1 to %2...").arg(_storage->displayName(), storage->displayName())); + delete _storage; + _storage = 0; + delete storage; + storage = 0; + if (reader->migrateTo(writer)) { + qDebug() << "Migration finished!"; + saveBackendSettings(backend, settings); + return true; + } + return false; + qWarning() << qPrintable(QString("Core::migrateDb(): unable to migrate storage backend! (No migration writer for %1)").arg(backend)); + } + + // inform the user why we cannot merge + if (!_storage) { + qWarning() << "No currently active backend. Skipping migration."; + } + else if (!reader) { + qWarning() << "Currently active backend does not support migration:" << qPrintable(_storage->displayName()); + } + if (writer) { + qWarning() << "New backend does not support migration:" << qPrintable(backend); } - } + + // so we were unable to merge, but let's create a user \o/ + _storage = storage; + createUser(); + return true; } -// Potentially called during the initialization phase (before handing the connection off to the session) -void Core::clientDisconnected() { - QTcpSocket *socket = qobject_cast(sender()); - if(socket) { - // here it's safe to call methods on socket! - quInfo() << qPrintable(tr("Non-authed client disconnected.")) << qPrintable(socket->peerAddress().toString()); - blocksizes.remove(socket); - clientInfo.remove(socket); - socket->deleteLater(); - } else { - // we have to crawl through the hashes and see if we find a victim to remove - quDebug() << qPrintable(tr("Non-authed client disconnected. (socket allready destroyed)")); - - // DO NOT CALL ANY METHODS ON socket!! - socket = static_cast(sender()); - - QHash::iterator blockSizeIter = blocksizes.begin(); - while(blockSizeIter != blocksizes.end()) { - if(blockSizeIter.key() == socket) { - blocksizes.erase(blockSizeIter); - } - blockSizeIter++; - } - - QHash::iterator clientInfoIter = clientInfo.begin(); - while(clientInfoIter != clientInfo.end()) { - if(clientInfoIter.key() == socket) { - clientInfo.erase(clientInfoIter); - } - clientInfoIter++; - } - } - - - // make server listen again if still not configured - if (!configured) { - startListening(); - } - - // TODO remove unneeded sessions - if necessary/possible... - // Suggestion: kill sessions if they are not connected to any network and client. -} - -void Core::setupClientSession(QTcpSocket *socket, UserId uid) { - // Find or create session for validated user - SessionThread *sess; - if(sessions.contains(uid)) sess = sessions[uid]; - else sess = createSession(uid); - // Hand over socket, session then sends state itself - disconnect(socket, 0, this, 0); - blocksizes.remove(socket); - clientInfo.remove(socket); - if(!sess) { - quWarning() << qPrintable(tr("Could not initialize session for client:")) << qPrintable(socket->peerAddress().toString()); - socket->close(); - } - sess->addClient(socket); -} - -void Core::setupInternalClientSession(SignalProxy *proxy) { - UserId uid = 3; // FIXME!!!11 - // Find or create session for validated user - SessionThread *sess; - if(sessions.contains(uid)) - sess = sessions[uid]; - else - sess = createSession(uid); - sess->addClient(proxy); -} - -SessionThread *Core::createSession(UserId uid, bool restore) { - if(sessions.contains(uid)) { - quWarning() << "Calling createSession() when a session for the user already exists!"; - return 0; - } - SessionThread *sess = new SessionThread(uid, restore, this); - sessions[uid] = sess; - sess->start(); - return sess; + +bool Core::createUser() +{ + QTextStream out(stdout); + QTextStream in(stdin); + out << "Add a new user:" << endl; + out << "Username: "; + out.flush(); + QString username = in.readLine().trimmed(); + + disableStdInEcho(); + out << "Password: "; + out.flush(); + QString password = in.readLine().trimmed(); + out << endl; + out << "Repeat Password: "; + out.flush(); + QString password2 = in.readLine().trimmed(); + out << endl; + enableStdInEcho(); + + if (password != password2) { + qWarning() << "Passwords don't match!"; + return false; + } + if (password.isEmpty()) { + qWarning() << "Password is empty!"; + return false; + } + + if (_configured && _storage->addUser(username, password).isValid()) { + out << "Added user " << username << " successfully!" << endl; + return true; + } + else { + qWarning() << "Unable to add user:" << qPrintable(username); + return false; + } } -#ifdef HAVE_SSL -void Core::sslErrors(const QList &errors) { - Q_UNUSED(errors); - QSslSocket *socket = qobject_cast(sender()); - if(socket) - socket->ignoreSslErrors(); + +bool Core::changeUserPass(const QString &username) +{ + QTextStream out(stdout); + QTextStream in(stdin); + UserId userId = _storage->getUserId(username); + if (!userId.isValid()) { + out << "User " << username << " does not exist." << endl; + return false; + } + + out << "Change password for user: " << username << endl; + + disableStdInEcho(); + out << "New Password: "; + out.flush(); + QString password = in.readLine().trimmed(); + out << endl; + out << "Repeat Password: "; + out.flush(); + QString password2 = in.readLine().trimmed(); + out << endl; + enableStdInEcho(); + + if (password != password2) { + qWarning() << "Passwords don't match!"; + return false; + } + if (password.isEmpty()) { + qWarning() << "Password is empty!"; + return false; + } + + if (_configured && _storage->updateUser(userId, password)) { + out << "Password changed successfully!" << endl; + return true; + } + else { + qWarning() << "Failed to change password!"; + return false; + } } -#endif -void Core::socketError(QAbstractSocket::SocketError err) { - QAbstractSocket *socket = qobject_cast(sender()); - if(socket && err != QAbstractSocket::RemoteHostClosedError) - quWarning() << "Core::socketError()" << socket << err << socket->errorString(); + +bool Core::changeUserPassword(UserId userId, const QString &password) +{ + if (!isConfigured() || !userId.isValid()) + return false; + + return instance()->_storage->updateUser(userId, password); +} + + +AbstractSqlMigrationReader *Core::getMigrationReader(Storage *storage) +{ + if (!storage) + return 0; + + AbstractSqlStorage *sqlStorage = qobject_cast(storage); + if (!sqlStorage) { + qDebug() << "Core::migrateDb(): only SQL based backends can be migrated!"; + return 0; + } + + return sqlStorage->createMigrationReader(); } + + +AbstractSqlMigrationWriter *Core::getMigrationWriter(Storage *storage) +{ + if (!storage) + return 0; + + AbstractSqlStorage *sqlStorage = qobject_cast(storage); + if (!sqlStorage) { + qDebug() << "Core::migrateDb(): only SQL based backends can be migrated!"; + return 0; + } + + return sqlStorage->createMigrationWriter(); +} + + +void Core::saveBackendSettings(const QString &backend, const QVariantMap &settings) +{ + QVariantMap dbsettings; + dbsettings["Backend"] = backend; + dbsettings["ConnectionProperties"] = settings; + CoreSettings().setStorageSettings(dbsettings); +} + + +QVariantMap Core::promptForSettings(const Storage *storage) +{ + QVariantMap settings; + + QStringList keys = storage->setupKeys(); + if (keys.isEmpty()) + return settings; + + QTextStream out(stdout); + QTextStream in(stdin); + out << "Default values are in brackets" << endl; + + QVariantMap defaults = storage->setupDefaults(); + QString value; + foreach(QString key, keys) { + QVariant val; + if (defaults.contains(key)) { + val = defaults[key]; + } + out << key; + if (!val.toString().isEmpty()) { + out << " (" << val.toString() << ")"; + } + out << ": "; + out.flush(); + + bool noEcho = QString("password").toLower().startsWith(key.toLower()); + if (noEcho) { + disableStdInEcho(); + } + value = in.readLine().trimmed(); + if (noEcho) { + out << endl; + enableStdInEcho(); + } + + if (!value.isEmpty()) { + switch (defaults[key].type()) { + case QVariant::Int: + val = QVariant(value.toInt()); + break; + default: + val = QVariant(value); + } + } + settings[key] = val; + } + return settings; +} + + +#ifdef Q_OS_WIN +void Core::stdInEcho(bool on) +{ + HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE); + DWORD mode = 0; + GetConsoleMode(hStdin, &mode); + if (on) + mode |= ENABLE_ECHO_INPUT; + else + mode &= ~ENABLE_ECHO_INPUT; + SetConsoleMode(hStdin, mode); +} + + +#else +void Core::stdInEcho(bool on) +{ + termios t; + tcgetattr(STDIN_FILENO, &t); + if (on) + t.c_lflag |= ECHO; + else + t.c_lflag &= ~ECHO; + tcsetattr(STDIN_FILENO, TCSANOW, &t); +} + + +#endif /* Q_OS_WIN */