X-Git-Url: https://git.quassel-irc.org/?a=blobdiff_plain;f=src%2Fcore%2Fcore.cpp;h=f5b554fbaf35e1cf588aac8558b510b563d90be0;hb=0e1b154f362e13c2c9009f842e3fd6d8e7c346fc;hp=d6330385f4850c9af9707d590b170c807cf5500d;hpb=48151f63e7f953bf07828be39ba314095c472c74;p=quassel.git diff --git a/src/core/core.cpp b/src/core/core.cpp index d6330385..f5b554fb 100644 --- a/src/core/core.cpp +++ b/src/core/core.cpp @@ -1,11 +1,11 @@ /*************************************************************************** - * Copyright (C) 2005-07 by The Quassel IRC Development Team * + * Copyright (C) 2005-2012 by the Quassel Project * * devel@quassel-irc.org * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * + * (at your option) version 3. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * @@ -15,157 +15,1083 @@ * 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 "core.h" #include "coresession.h" +#include "coresettings.h" +#include "internalconnection.h" +#include "postgresqlstorage.h" +#include "quassel.h" +#include "signalproxy.h" #include "sqlitestorage.h" +#include "network.h" +#include "logger.h" + #include "util.h" +#include "protocols/legacy/legacyconnection.h" + +// migration related +#include +#ifdef Q_OS_WIN32 +# include +#else +# include +# include +#endif /* Q_OS_WIN32 */ + +#ifdef HAVE_UMASK +# include +# include +#endif /* HAVE_UMASK */ + +// ============================== +// Custom Events +// ============================== +const int Core::AddClientEventId = QEvent::registerEventType(); + +class AddClientEvent : public QEvent +{ +public: + AddClientEvent(RemoteConnection *connection, UserId uid) : QEvent(QEvent::Type(Core::AddClientEventId)), connection(connection), userId(uid) {} + RemoteConnection *connection; + UserId userId; +}; + + +// ============================== +// Core +// ============================== Core *Core::instanceptr = 0; -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) +{ +#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_WS_MAC + QSettings newSettings("quassel-irc.org", "quasselcore"); +#else + +# ifdef Q_WS_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_WS_MAC */ + + if (newSettings.value("Config/Version").toUInt() == 0) { +# ifdef Q_WS_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_WS_MAC /* we don't need to move the db and cert for mac */ +#ifdef Q_OS_WIN32 + QString quasselDir = qgetenv("APPDATA") + "/quassel/"; +#elif defined Q_WS_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_WS_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(); + + connect(&_storageSyncTimer, SIGNAL(timeout()), this, SLOT(syncStorage())); + _storageSyncTimer.start(10 * 60 * 1000); // 10 minutes } -Core::Core() { +void Core::init() +{ + CoreSettings cs; + _configured = initStorage(cs.storageSettings().toMap()); + + 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")) { + createUser(); + exit(0); + } + + if (Quassel::isOptionSet("change-userpass")) { + changeUserPass(Quassel::optionValue("change-userpass")); + exit(0); + } + + 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); } -void Core::init() { - if(!SqliteStorage::isAvailable()) { - qFatal("Sqlite is currently required! Please make sure your Qt library has sqlite support enabled."); - } - //SqliteStorage::init(); - storage = new SqliteStorage(); - connect(&server, SIGNAL(newConnection()), this, SLOT(incomingConnection())); - startListening(); // FIXME make configurable - guiUser = 0; + +Core::~Core() +{ + foreach(RemoteConnection *connection, clientInfo.keys()) { + connection->close(); // disconnect non authed clients + } + qDeleteAll(sessions); + qDeleteAll(_storageBackends); } -Core::~Core() { - qDeleteAll(sessions); - delete storage; + +/*** 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); } -CoreSession *Core::session(UserId uid) { - Core *core = instance(); - if(core->sessions.contains(uid)) return core->sessions[uid]; - else return 0; + +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()->createSession(user, true); + } + } } -CoreSession *Core::localSession() { - Core *core = instance(); - if(core->guiUser && core->sessions.contains(core->guiUser)) return core->sessions[core->guiUser]; - else return 0; + +/*** Core Setup ***/ +QString Core::setupCoreForInternalUsage() +{ + Q_ASSERT(!_storageBackends.isEmpty()); + QVariantMap setupData; + qsrand(QDateTime::currentDateTime().toTime_t()); + int pass = 0; + for (int i = 0; i < 10; i++) { + pass *= 10; + pass += qrand() % 10; + } + setupData["AdminUser"] = "AdminUser"; + setupData["AdminPasswd"] = QString::number(pass); + setupData["Backend"] = QString("SQLite"); // mono client currently needs sqlite + return setupCore(setupData); } -CoreSession *Core::createSession(UserId uid) { - Core *core = instance(); - Q_ASSERT(!core->sessions.contains(uid)); - CoreSession *sess = new CoreSession(uid, core->storage); - core->sessions[uid] = sess; - return sess; + +QString Core::setupCore(QVariantMap setupData) +{ + 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 (_configured || !(_configured = initStorage(setupData, true))) { + return tr("Could not setup storage!"); + } + CoreSettings s; + s.setStorageSettings(setupData); + quInfo() << qPrintable(tr("Creating admin user...")); + _storage->addUser(user, password); + startListening(); // TODO check when we need this + return QString(); } -bool Core::startListening(uint port) { - if(!server.listen(QHostAddress::Any, port)) { - qWarning(QString(QString("Could not open GUI client port %1: %2").arg(port).arg(server.errorString())).toAscii()); - return false; - } - qDebug() << "Listening for GUI clients on port" << server.serverPort(); - return true; +/*** Storage Handling ***/ +void Core::registerStorageBackends() +{ + // Register storage backends here! + registerStorageBackend(new SqliteStorage(this)); + registerStorageBackend(new PostgreSqlStorage(this)); } -void Core::stopListening() { - server.close(); - qDebug() << "No longer listening for GUI clients."; + +bool Core::registerStorageBackend(Storage *backend) +{ + if (backend->isAvailable()) { + _storageBackends[backend->displayName()] = backend; + return true; + } + else { + backend->deleteLater(); + return false; + } } -void Core::incomingConnection() { - // TODO implement SSL - QTcpSocket *socket = server.nextPendingConnection(); - connect(socket, SIGNAL(disconnected()), this, SLOT(clientDisconnected())); - connect(socket, SIGNAL(readyRead()), this, SLOT(clientHasData())); - blockSizes.insert(socket, (quint32)0); - qDebug() << "Client connected from " << socket->peerAddress().toString(); + +void Core::unregisterStorageBackends() +{ + foreach(Storage *s, _storageBackends.values()) { + s->deleteLater(); + } + _storageBackends.clear(); } -void Core::clientHasData() { - QTcpSocket *socket = dynamic_cast(sender()); - Q_ASSERT(socket && blockSizes.contains(socket)); - quint32 bsize = blockSizes.value(socket); - QVariant item; - if(readDataFromDevice(socket, bsize, item)) { - // we need to auth the client - try { - processClientInit(socket, item); - } catch(Storage::AuthError) { - qWarning() << "Authentification error!"; // FIXME - socket->close(); - return; - } catch(Exception e) { - qWarning() << "Client init error:" << e.msg(); - socket->close(); - return; + +void Core::unregisterStorageBackend(Storage *backend) +{ + _storageBackends.remove(backend->displayName()); + backend->deleteLater(); +} + + +// old db settings: +// "Type" => "sqlite" +bool Core::initStorage(const QString &backend, 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 setup wasn't successfull we mark the backend as unavailable + case Storage::NotAvailable: + qCritical() << "Selected storage backend is not available:" << backend; + storage->deleteLater(); + _storageBackends.remove(backend); + storage = 0; + return false; + 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; +} + + +bool Core::initStorage(QVariantMap dbSettings, bool setup) +{ + return initStorage(dbSettings["Backend"].toString(), dbSettings["ConnectionProperties"].toMap(), setup); +} + + +void Core::syncStorage() +{ + if (_storage) + _storage->sync(); +} + + +/*** 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; +} + + +/*** Network Management ***/ + +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; +} + + +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); + } +} + + +void Core::incomingConnection() +{ + QTcpServer *server = qobject_cast(sender()); + Q_ASSERT(server); + while (server->hasPendingConnections()) { + QTcpSocket *socket = server->nextPendingConnection(); + RemoteConnection *connection = new LegacyConnection(socket, this); + + connect(connection, SIGNAL(disconnected()), SLOT(clientDisconnected())); + connect(connection, SIGNAL(dataReceived(QVariant)), SLOT(processClientMessage(QVariant))); + connect(connection, SIGNAL(error(QAbstractSocket::SocketError)), SLOT(socketError(QAbstractSocket::SocketError))); + + clientInfo.insert(connection, QVariantMap()); + quInfo() << qPrintable(tr("Client connected from")) << qPrintable(socket->peerAddress().toString()); + + if (!_configured) { + stopListening(tr("Closing server for basic setup.")); + } + } +} + + +void Core::processClientMessage(const QVariant &data) +{ + RemoteConnection *connection = qobject_cast(sender()); + if (!connection) { + qWarning() << Q_FUNC_INFO << "Message not sent by RemoteConnection!"; + return; + } + + QVariantMap msg = data.toMap(); + if (!msg.contains("MsgType")) { + // Client is way too old, does not even use the current init format + qWarning() << qPrintable(tr("Antique client trying to connect... refusing.")); + connection->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); + connection->writeSocketData(reply); + qWarning() << qPrintable(tr("Client")) << connection->description() << qPrintable(tr("too old, rejecting.")); + connection->close(); + return; + } + + reply["ProtocolVersion"] = Quassel::buildInfo().protocolVersion; + reply["CoreVersion"] = Quassel::buildInfo().fancyVersionString; + reply["CoreDate"] = Quassel::buildInfo().buildDate; + reply["CoreStartTime"] = startTime(); // v10 clients don't necessarily parse this, see below + + // FIXME: newer clients no longer use the hardcoded CoreInfo (for now), since it gets the + // time zone wrong. With the next protocol bump (10 -> 11), we should remove this + // or make it properly 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)); + + reply["CoreFeatures"] = (int)Quassel::features(); + +#ifdef HAVE_SSL + SslServer *sslServer = qobject_cast(&_server); + QSslSocket *sslSocket = qobject_cast(connection->socket()); + bool supportSsl = sslServer && sslSocket && sslServer->isCertValid(); +#else + bool supportSsl = false; +#endif + +#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) + + reply["LoginEnabled"] = true; + + // check if we are configured, start wizard otherwise + if (!_configured) { + reply["Configured"] = false; + QList backends; + foreach(Storage *backend, _storageBackends.values()) { + QVariantMap v; + v["DisplayName"] = backend->displayName(); + v["Description"] = backend->description(); + v["SetupKeys"] = backend->setupKeys(); + v["SetupDefaults"] = backend->setupDefaults(); + backends.append(v); + } + reply["StorageBackends"] = backends; + reply["LoginEnabled"] = false; + } + else { + reply["Configured"] = true; + } + clientInfo[connection] = msg; // store for future reference + reply["MsgType"] = "ClientInitAck"; + connection->writeSocketData(reply); + connection->socket()->flush(); // ensure that the write cache is flushed before we switch to ssl + +#ifdef HAVE_SSL + // after we told the client that we are ssl capable we switch to ssl mode + if (supportSsl && msg["UseSsl"].toBool()) { + qDebug() << qPrintable(tr("Starting TLS for Client:")) << connection->description(); + connect(sslSocket, SIGNAL(sslErrors(const QList &)), SLOT(sslErrors(const QList &))); + sslSocket->startServerEncryption(); + } +#endif + +#ifndef QT_NO_COMPRESS + if (supportsCompression && msg["UseCompression"].toBool()) { + connection->socket()->setProperty("UseCompression", true); + qDebug() << "Using compression for Client:" << qPrintable(connection->socket()->peerAddress().toString()); + } +#endif + } + else { + // for the rest, we need an initialized connection + if (!clientInfo.contains(connection)) { + QVariantMap reply; + reply["MsgType"] = "ClientLoginReject"; + reply["Error"] = tr("Client not initialized!
You need to send an init message before trying to login."); + connection->writeSocketData(reply); + qWarning() << qPrintable(tr("Client")) << qPrintable(connection->socket()->peerAddress().toString()) << qPrintable(tr("did not send an init message before trying to login, rejecting.")); + connection->close(); return; + } + if (msg["MsgType"] == "CoreSetupData") { + QVariantMap reply; + QString result = setupCore(msg["SetupData"].toMap()); + if (!result.isEmpty()) { + reply["MsgType"] = "CoreSetupReject"; + reply["Error"] = result; + } + else { + reply["MsgType"] = "CoreSetupAck"; + } + connection->writeSocketData(reply); + } + else if (msg["MsgType"] == "ClientLogin") { + QVariantMap reply; + UserId uid = _storage->validateUser(msg["User"].toString(), msg["Password"].toString()); + 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."); + connection->writeSocketData(reply); + return; + } + reply["MsgType"] = "ClientLoginAck"; + connection->writeSocketData(reply); + quInfo() << qPrintable(tr("Client")) << qPrintable(connection->socket()->peerAddress().toString()) << qPrintable(tr("initialized and authenticated successfully as \"%1\" (UserId: %2).").arg(msg["User"].toString()).arg(uid.toInt())); + setupClientSession(connection, uid); + } + } +} + + +// Potentially called during the initialization phase (before handing the connection off to the session) +void Core::clientDisconnected() +{ + RemoteConnection *connection = qobject_cast(sender()); + Q_ASSERT(connection); + + quInfo() << qPrintable(tr("Non-authed client disconnected.")) << qPrintable(connection->socket()->peerAddress().toString()); + clientInfo.remove(connection); + connection->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. +} + + +void Core::setupClientSession(RemoteConnection *connection, UserId uid) +{ + // From now on everything is handled by the client session + disconnect(connection, 0, this, 0); + connection->socket()->flush(); + clientInfo.remove(connection); + + // Find or create session for validated user + SessionThread *session; + if (sessions.contains(uid)) { + session = sessions[uid]; + } + else { + session = createSession(uid); + if (!session) { + qWarning() << qPrintable(tr("Could not initialize session for client:")) << qPrintable(connection->socket()->peerAddress().toString()); + connection->close(); + return; + } + } + + // 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(connection, uid)); +} + + +void Core::customEvent(QEvent *event) +{ + if (event->type() == AddClientEventId) { + AddClientEvent *addClientEvent = static_cast(event); + addClientHelper(addClientEvent->connection, addClientEvent->userId); + return; } - } - blockSizes[socket] = bsize = 0; // FIXME blockSizes aufräum0rn! } -// FIXME: no longer called, since connection handling is now in SignalProxy -void Core::clientDisconnected() { - QTcpSocket *socket = dynamic_cast(sender()); - blockSizes.remove(socket); - qDebug() << "Client disconnected."; - // TODO remove unneeded sessions - if necessary/possible... + +void Core::addClientHelper(RemoteConnection *connection, UserId uid) +{ + // Find or create session for validated user + if (!sessions.contains(uid)) { + qWarning() << qPrintable(tr("Could not find a session for client:")) << qPrintable(connection->socket()->peerAddress().toString()); + connection->close(); + return; + } + + SessionThread *session = sessions[uid]; + session->addClient(connection); } -QVariant Core::connectLocalClient(QString user, QString passwd) { - UserId uid = instance()->storage->validateUser(user, passwd); - QVariant reply = instance()->initSession(uid); - instance()->guiUser = uid; - qDebug() << "Local client connected."; - return reply; + +void Core::setupInternalClientSession(InternalConnection *clientConnection) +{ + 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; + } + + InternalConnection *coreConnection = new InternalConnection(this); + coreConnection->setPeer(clientConnection); + clientConnection->setPeer(coreConnection); + + // Find or create session for validated user + SessionThread *sessionThread; + if (sessions.contains(uid)) + sessionThread = sessions[uid]; + else + sessionThread = createSession(uid); + + sessionThread->addClient(coreConnection); } -void Core::disconnectLocalClient() { - qDebug() << "Local client disconnected."; - instance()->guiUser = 0; + +SessionThread *Core::createSession(UserId uid, bool restore) +{ + if (sessions.contains(uid)) { + qWarning() << "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; } -void Core::processClientInit(QTcpSocket *socket, const QVariant &v) { - QVariantMap msg = v.toMap(); - if(msg["GuiProtocol"].toUInt() != GUI_PROTOCOL) { - //qWarning() << "Client version mismatch."; - throw Exception("GUI client version mismatch"); - } - // Auth - UserId uid = storage->validateUser(msg["User"].toString(), msg["Password"].toString()); // throws exception if this failed - QVariant reply = initSession(uid); - disconnect(socket, 0, this, 0); - sessions[uid]->addClient(socket); - writeDataToDevice(socket, reply); + +#ifdef HAVE_SSL +void Core::sslErrors(const QList &errors) +{ + Q_UNUSED(errors); + QSslSocket *socket = qobject_cast(sender()); + if (socket) + socket->ignoreSslErrors(); } -QVariant Core::initSession(UserId uid) { - // Find or create session for validated user - CoreSession *sess; - if(sessions.contains(uid)) sess = sessions[uid]; - else { - sess = createSession(uid); - } - QVariantMap reply; - reply["SessionState"] = sess->sessionState(); - return reply; + +#endif + +void Core::socketError(QAbstractSocket::SocketError err) +{ + RemoteConnection *connection = qobject_cast(sender()); + if (connection && err != QAbstractSocket::RemoteHostClosedError) + qWarning() << "Core::socketError()" << connection->socket() << err << connection->socket()->errorString(); } + + +// 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; + } + + 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; + } + + // 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; +} + + +void 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; + } + if (password.isEmpty()) { + qWarning() << "Password is empty!"; + return; + } + + if (_configured && _storage->addUser(username, password).isValid()) { + out << "Added user " << username << " successfully!" << endl; + } + else { + qWarning() << "Unable to add user:" << qPrintable(username); + } +} + + +void 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; + } + + 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; + } + if (password.isEmpty()) { + qWarning() << "Password is empty!"; + return; + } + + if (_configured && _storage->updateUser(userId, password)) { + out << "Password changed successfully!" << endl; + } + else { + qWarning() << "Failed to change 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_WIN32 +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_WIN32 */