/***************************************************************************
- * Copyright (C) 2005-07 by the Quassel IRC Team *
+ * Copyright (C) 2005-2016 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* 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 <QCoreApplication>
+
#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 "sqlitestorage.h"
#include "util.h"
-#include <QMetaObject>
-#include <QMetaMethod>
+// migration related
+#include <QFile>
+#ifdef Q_OS_WIN
+# include <windows.h>
+#else
+# include <unistd.h>
+# include <termios.h>
+#endif /* Q_OS_WIN */
+
+#ifdef HAVE_UMASK
+# include <sys/types.h>
+# include <sys/stat.h>
+#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;
-Core *Core::instance() {
- if(instanceptr) return instanceptr;
- instanceptr = new Core();
- instanceptr->init();
- return instanceptr;
-}
-
-void Core::destroy() {
- delete instanceptr;
- instanceptr = 0;
-}
-
-Core::Core() {
- storage = NULL;
-}
-
-void Core::init() {
- CoreSettings s;
- configured = false;
-
- QVariantMap dbSettings = s.databaseSettings().toMap();
- QString hname = dbSettings["Type"].toString().toLower();
- hname[0] = hname[0].toUpper();
- hname = "initStorage" + hname;
- if (!QMetaObject::invokeMethod(this, hname.toAscii(), Q_RETURN_ARG(bool, configured), Q_ARG(QVariantMap, dbSettings), Q_ARG(bool, false))) {
- qWarning("No database backend configured.");
- }
-
- if (!configured) {
- qWarning("Core is currently not configured!");
- }
-
- connect(&server, SIGNAL(newConnection()), this, SLOT(incomingConnection()));
- startListening(s.port());
- guiUser = 0;
-
-}
-
-bool Core::initStorageSqlite(QVariantMap dbSettings, bool setup) {
- if (!SqliteStorage::isAvailable()) {
- qFatal("Sqlite is currently required! Please make sure your Qt library has sqlite support enabled.");
- }
- if (storage) {
- qDebug() << "Deleting old storage object.";
- delete storage;
- storage = NULL;
- }
-
- storage = new SqliteStorage();
- if (setup && !storage->setup(dbSettings)) {
- return false;
- }
-
- return storage->init(dbSettings);
-}
-
-Core::~Core() {
- qDeleteAll(sessions);
- if (storage) {
- delete storage;
- storage = NULL;
- }
-}
-
-void Core::restoreState() {
- Q_ASSERT(!instance()->sessions.count());
- CoreSettings s;
- QList<QVariant> users = s.coreState().toList();
- if(users.count() > 0) {
- qDebug() << "Restoring previous core state...";
- foreach(QVariant v, users) {
- QVariantMap m = v.toMap();
- if(m.contains("UserId")) {
- CoreSession *sess = createSession(m["UserId"].toUInt());
- sess->restoreState(m["State"]);
- }
- }
- }
-}
-
-void Core::saveState() {
- CoreSettings s;
- QList<QVariant> users;
- foreach(CoreSession *sess, instance()->sessions.values()) {
- QVariantMap m;
- m["UserId"] = sess->userId();
- m["State"] = sess->state();
- users << m;
- }
- s.setCoreState(users);
-}
-
-CoreSession *Core::session(UserId uid) {
- Core *core = instance();
- if(core->sessions.contains(uid)) return core->sessions[uid];
- else return 0;
-}
-
-CoreSession *Core::localSession() {
- Core *core = instance();
- if(core->guiUser && core->sessions.contains(core->guiUser)) return core->sessions[core->guiUser];
- else return 0;
-}
-
-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;
-}
-
-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;
-}
-
-void Core::stopListening() {
- server.close();
- qDebug() << "No longer listening for GUI clients.";
-}
-
-void Core::incomingConnection() {
- // TODO implement SSL
- while (server.hasPendingConnections()) {
- 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();
-
- if (!configured) {
- server.close();
- qDebug() << "Closing server for basic setup.";
- }
- }
-}
-
-void Core::clientHasData() {
- QTcpSocket *socket = dynamic_cast<QTcpSocket*>(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 {
- QVariantMap msg = item.toMap();
- if (msg["GuiProtocol"].toUInt() != GUI_PROTOCOL) {
- throw Exception("GUI client version mismatch");
- }
- if (configured) {
- processClientInit(socket, msg);
- } else {
- processCoreSetup(socket, msg);
- }
- } catch(Storage::AuthError) {
- qWarning() << "Authentification error!"; // FIXME: send auth error to client
- socket->close();
- return;
- } catch(Exception e) {
- qWarning() << "Client init error:" << e.msg();
- socket->close();
+Core *Core::instance()
+{
+ if (instanceptr) return instanceptr;
+ instanceptr = new Core();
+ instanceptr->init();
+ return instanceptr;
+}
+
+
+void Core::destroy()
+{
+ delete instanceptr;
+ instanceptr = 0;
+}
+
+
+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();
+
+ connect(&_storageSyncTimer, SIGNAL(timeout()), this, SLOT(syncStorage()));
+ _storageSyncTimer.start(10 * 60 * 1000); // 10 minutes
+}
+
+
+void Core::init()
+{
+ CoreSettings cs;
+ // legacy
+ QVariantMap dbsettings = cs.storageSettings().toMap();
+ _configured = initStorage(dbsettings.value("Backend").toString(), dbsettings.value("ConnectionProperties").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 (!cs.isWritable()) {
+ qWarning() << "Cannot write quasselcore configuration; probably a permission problem.";
+ exit(EXIT_FAILURE);
+ }
+
+ }
+
+ if (Quassel::isOptionSet("add-user")) {
+ exit(createUser() ? EXIT_SUCCESS : EXIT_FAILURE);
+
+ }
+
+ 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
+
+ if (Quassel::isOptionSet("oidentd"))
+ _oidentdConfigGenerator = new OidentdConfigGenerator(this);
+}
+
+
+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<UserId>(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()) {
+ 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;
}
- }
- blockSizes[socket] = bsize = 0; // FIXME blockSizes aufr�um0rn!
-}
-
-// FIXME: no longer called, since connection handling is now in SignalProxy
-// No, it is called as long as core is not configured. (kaffeedoktor)
-void Core::clientDisconnected() {
- QTcpSocket *socket = dynamic_cast<QTcpSocket*>(sender());
- blockSizes.remove(socket);
- qDebug() << "Client disconnected.";
-
- // make server listen again if still not configured
- if (!configured) {
- startListening();
- }
-
- // TODO remove unneeded sessions - if necessary/possible...
-}
-
-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::disconnectLocalClient() {
- qDebug() << "Local client disconnected.";
- instance()->guiUser = 0;
-}
-
-void Core::processClientInit(QTcpSocket *socket, const QVariantMap &msg) {
- // Auth
- QVariantMap reply;
- UserId uid = storage->validateUser(msg["User"].toString(), msg["Password"].toString()); // throws exception if this failed
- reply["StartWizard"] = false;
- reply["Reply"] = initSession(uid);
- disconnect(socket, 0, this, 0);
- sessions[uid]->addClient(socket);
- qDebug() << "Client initialized successfully.";
- writeDataToDevice(socket, reply);
-}
-
-void Core::processCoreSetup(QTcpSocket *socket, QVariantMap &msg) {
- if(msg["HasSettings"].toBool()) {
- QVariantMap auth;
- auth["User"] = msg["User"];
- auth["Password"] = msg["Password"];
- msg.remove("User");
- msg.remove("Password");
- qDebug() << "Initializing storage provider" << msg["Type"].toString();
- QString hname = msg["Type"].toString().toLower();
- hname[0] = hname[0].toUpper();
- hname = "initStorage" + hname;
- if (!QMetaObject::invokeMethod(this, hname.toAscii(), Q_RETURN_ARG(bool, configured), Q_ARG(QVariantMap, msg), Q_ARG(bool, true))) {
- qWarning("No database backend configured.");
- }
- if (!configured) {
- // notify client to start wizard again
- qWarning("Core is currently not configured!");
- QVariantMap reply;
- reply["StartWizard"] = true;
- reply["StorageProviders"] = availableStorageProviders();
- writeDataToDevice(socket, reply);
- } else {
- // write coresettings
- CoreSettings s;
- s.setDatabaseSettings(msg);
- // write admin user to database & make the core listen again to connections
- storage->addUser(auth["User"].toString(), auth["Password"].toString());
- startListening();
- // continue the normal procedure
- processClientInit(socket, auth);
- }
- } else {
- // notify client to start wizard
- QVariantMap reply;
- reply["StartWizard"] = true;
- reply["StorageProviders"] = availableStorageProviders();
- writeDataToDevice(socket, reply);
- }
-}
-
-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;
-}
-
-QStringList Core::availableStorageProviders() {
- QStringList storageProviders;
- if (SqliteStorage::isAvailable()) {
- storageProviders.append(SqliteStorage::displayName());
- }
- // TODO: temporary
- storageProviders.append("MySQL");
-
- return storageProviders;
+ */
+
+ QVariantList activeSessions = s.coreState().toMap()["ActiveSessions"].toList();
+ if (activeSessions.count() > 0) {
+ quInfo() << "Restoring previous core state...";
+ foreach(QVariant v, activeSessions) {
+ UserId user = v.value<UserId>();
+ instance()->sessionForUser(user, true);
+ }
+ }
+}
+
+
+/*** Core Setup ***/
+
+QString Core::setup(const QString &adminUser, const QString &adminPassword, const QString &backend, const QVariantMap &setupData)
+{
+ return instance()->setupCore(adminUser, adminPassword, backend, setupData);
}
+
+
+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...");
+
+ 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!");
+ }
+
+ if (!saveBackendSettings(backend, setupData)) {
+ return tr("Could not save backend settings, probably a permission problem.");
+ }
+
+ quInfo() << qPrintable(tr("Creating admin user..."));
+ _storage->addUser(adminUser, adminPassword);
+ startListening(); // TODO check when we need this
+ return QString();
+}
+
+
+QString Core::setupCoreForInternalUsage()
+{
+ Q_ASSERT(!_storageBackends.isEmpty());
+
+ qsrand(QDateTime::currentDateTime().toTime_t());
+ int pass = 0;
+ for (int i = 0; i < 10; i++) {
+ pass *= 10;
+ pass += qrand() % 10;
+ }
+
+ // mono client currently needs sqlite
+ return setupCore("AdminUser", QString::number(pass), "SQLite", QVariantMap());
+}
+
+
+/*** Storage Handling ***/
+void Core::registerStorageBackends()
+{
+ // Register storage backends here!
+ registerStorageBackend(new SqliteStorage(this));
+ registerStorageBackend(new PostgreSqlStorage(this));
+}
+
+
+bool Core::registerStorageBackend(Storage *backend)
+{
+ if (backend->isAvailable()) {
+ _storageBackends[backend->displayName()] = backend;
+ return true;
+ }
+ else {
+ backend->deleteLater();
+ return false;
+ }
+}
+
+
+void Core::unregisterStorageBackends()
+{
+ foreach(Storage *s, _storageBackends.values()) {
+ s->deleteLater();
+ }
+ _storageBackends.clear();
+}
+
+
+void Core::unregisterStorageBackend(Storage *backend)
+{
+ _storageBackends.remove(backend->displayName());
+ backend->deleteLater();
+}
+
+
+// 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;
+}
+
+
+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::sslSupported()
+{
+#ifdef HAVE_SSL
+ SslServer *sslServer = qobject_cast<SslServer *>(&instance()->_server);
+ return sslServer && sslServer->isCertValid();
+#else
+ return false;
+#endif
+}
+
+
+bool Core::reloadCerts()
+{
+#ifdef HAVE_SSL
+ SslServer *sslServerv4 = qobject_cast<SslServer *>(&instance()->_server);
+ bool retv4 = sslServerv4->reloadCerts();
+
+ SslServer *sslServerv6 = qobject_cast<SslServer *>(&instance()->_v6server);
+ bool retv6 = sslServerv6->reloadCerts();
+
+ return retv4 && retv6;
+#else
+ // SSL not supported, don't mark configuration reload as failed
+ return true;
+#endif
+}
+
+
+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<QTcpServer *>(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."));
+ }
+ }
+}
+
+
+// Potentially called during the initialization phase (before handing the connection off to the session)
+void Core::clientDisconnected()
+{
+ CoreAuthHandler *handler = qobject_cast<CoreAuthHandler *>(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.
+}
+
+
+void Core::setupClientSession(RemotePeer *peer, UserId uid)
+{
+ CoreAuthHandler *handler = qobject_cast<CoreAuthHandler *>(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));
+}
+
+
+void Core::customEvent(QEvent *event)
+{
+ if (event->type() == AddClientEventId) {
+ AddClientEvent *addClientEvent = static_cast<AddClientEvent *>(event);
+ addClientHelper(addClientEvent->peer, addClientEvent->userId);
+ return;
+ }
+}
+
+
+void Core::addClientHelper(RemotePeer *peer, UserId uid)
+{
+ // Find or create session for validated user
+ SessionThread *session = sessionForUser(uid);
+ session->addClient(peer);
+}
+
+
+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);
+}
+
+
+SessionThread *Core::sessionForUser(UserId uid, bool restore)
+{
+ if (_sessions.contains(uid))
+ return _sessions[uid];
+
+ SessionThread *session = new SessionThread(uid, restore, this);
+ _sessions[uid] = session;
+ session->start();
+ return session;
+}
+
+
+void Core::socketError(QAbstractSocket::SocketError err, const QString &errorString)
+{
+ qWarning() << QString("Socket error %1: %2").arg(err).arg(errorString);
+}
+
+
+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);
+ }
+ return backends;
+}
+
+
+// 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:
+ if (!saveBackendSettings(backend, settings)) {
+ qCritical() << qPrintable(QString("Could not save backend settings, probably a permission problem."));
+ }
+ 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;
+ }
+
+ if (!saveBackendSettings(backend, settings)) {
+ qCritical() << qPrintable(QString("Could not save backend settings, probably a permission problem."));
+ }
+ 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!";
+ if (!saveBackendSettings(backend, settings)) {
+ qCritical() << qPrintable(QString("Could not save backend settings, probably a permission problem."));
+ return false;
+ }
+ 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;
+}
+
+
+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;
+ }
+}
+
+
+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;
+ }
+}
+
+
+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<AbstractSqlStorage *>(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<AbstractSqlStorage *>(storage);
+ if (!sqlStorage) {
+ qDebug() << "Core::migrateDb(): only SQL based backends can be migrated!";
+ return 0;
+ }
+
+ return sqlStorage->createMigrationWriter();
+}
+
+
+bool Core::saveBackendSettings(const QString &backend, const QVariantMap &settings)
+{
+ QVariantMap dbsettings;
+ dbsettings["Backend"] = backend;
+ dbsettings["ConnectionProperties"] = settings;
+ CoreSettings s = CoreSettings();
+ s.setStorageSettings(dbsettings);
+ return s.sync();
+}
+
+
+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 */