File indexing completed on 2024-05-05 05:38:57
0001 /* 0002 SPDX-FileCopyrightText: 2019 Aleix Pol Gonzalez <aleixpol@kde.org> 0003 0004 SPDX-License-Identifier: LGPL-2.0-or-later 0005 */ 0006 0007 #include <config-startplasma.h> 0008 0009 #include <QDir> 0010 #include <QEventLoop> 0011 #include <QProcess> 0012 #include <QStandardPaths> 0013 #include <QTextStream> 0014 0015 #include <QDBusConnectionInterface> 0016 #include <QDBusServiceWatcher> 0017 0018 #include <KConfig> 0019 #include <KConfigGroup> 0020 #include <KNotifyConfig> 0021 #include <KPackage/Package> 0022 #include <KPackage/PackageLoader> 0023 #include <KSharedConfig> 0024 0025 #include <phonon/audiooutput.h> 0026 #include <phonon/mediaobject.h> 0027 #include <phonon/mediasource.h> 0028 0029 #include <unistd.h> 0030 0031 #include <autostartscriptdesktopfile.h> 0032 0033 #include <KUpdateLaunchEnvironmentJob> 0034 0035 #include "startplasma.h" 0036 0037 #include "../config-workspace.h" 0038 #include "../kcms/lookandfeel/lookandfeelmanager.h" 0039 #include "debug.h" 0040 0041 QTextStream out(stderr); 0042 0043 void sigtermHandler(int signalNumber) 0044 { 0045 Q_UNUSED(signalNumber) 0046 if (QCoreApplication::instance()) { 0047 QCoreApplication::instance()->exit(-1); 0048 } 0049 } 0050 0051 void messageBox(const QString &text) 0052 { 0053 out << text; 0054 runSync(QStringLiteral("xmessage"), {QStringLiteral("-geometry"), QStringLiteral("500x100"), text}); 0055 } 0056 0057 QStringList allServices(const QLatin1String &prefix) 0058 { 0059 const QStringList services = QDBusConnection::sessionBus().interface()->registeredServiceNames(); 0060 QStringList names; 0061 0062 std::copy_if(services.cbegin(), services.cend(), std::back_inserter(names), [&prefix](const QString &serviceName) { 0063 return serviceName.startsWith(prefix); 0064 }); 0065 0066 return names; 0067 } 0068 0069 void gentleTermination(QProcess *p) 0070 { 0071 if (p->state() != QProcess::Running) { 0072 return; 0073 } 0074 0075 p->terminate(); 0076 0077 // Wait longer for a session than a greeter 0078 if (!p->waitForFinished(5000)) { 0079 p->kill(); 0080 if (!p->waitForFinished(5000)) { 0081 qCWarning(PLASMA_STARTUP) << "Could not fully finish the process" << p->program(); 0082 } 0083 } 0084 } 0085 0086 int runSync(const QString &program, const QStringList &args, const QStringList &env) 0087 { 0088 QProcess p; 0089 if (!env.isEmpty()) 0090 p.setEnvironment(QProcess::systemEnvironment() << env); 0091 p.setProcessChannelMode(QProcess::ForwardedChannels); 0092 p.start(program, args); 0093 0094 QObject::connect(QCoreApplication::instance(), &QCoreApplication::aboutToQuit, &p, [&p] { 0095 gentleTermination(&p); 0096 }); 0097 // qCDebug(PLASMA_STARTUP) << "started..." << program << args; 0098 p.waitForFinished(-1); 0099 if (p.exitCode()) { 0100 qCWarning(PLASMA_STARTUP) << program << args << "exited with code" << p.exitCode(); 0101 } 0102 return p.exitCode(); 0103 } 0104 0105 bool isShellVariable(const QByteArray &name) 0106 { 0107 return name == "_" || name == "SHELL" || name.startsWith("SHLVL"); 0108 } 0109 0110 bool isSessionVariable(const QByteArray &name) 0111 { 0112 // Check is variable is specific to session. 0113 return name == "DISPLAY" || name == "XAUTHORITY" || // 0114 name == "WAYLAND_DISPLAY" || name == "WAYLAND_SOCKET" || // 0115 name.startsWith("XDG_"); 0116 } 0117 0118 void setEnvironmentVariable(const QByteArray &name, const QByteArray &value) 0119 { 0120 if (qgetenv(name) != value) { 0121 qputenv(name, value); 0122 } 0123 } 0124 0125 void sourceFiles(const QStringList &files) 0126 { 0127 QStringList filteredFiles; 0128 std::copy_if(files.begin(), files.end(), std::back_inserter(filteredFiles), [](const QString &i) { 0129 return QFileInfo(i).isReadable(); 0130 }); 0131 0132 if (filteredFiles.isEmpty()) 0133 return; 0134 0135 filteredFiles.prepend(QStringLiteral(CMAKE_INSTALL_FULL_LIBEXECDIR "/plasma-sourceenv.sh")); 0136 0137 QProcess p; 0138 p.start(QStringLiteral("/bin/sh"), filteredFiles); 0139 p.waitForFinished(-1); 0140 0141 const auto fullEnv = p.readAllStandardOutput(); 0142 auto envs = fullEnv.split('\0'); 0143 0144 for (auto &env : envs) { 0145 const int idx = env.indexOf('='); 0146 if (Q_UNLIKELY(idx <= 0)) { 0147 continue; 0148 } 0149 0150 const auto name = env.left(idx); 0151 if (isShellVariable(name)) { 0152 continue; 0153 } 0154 setEnvironmentVariable(name, env.mid(idx + 1)); 0155 } 0156 } 0157 0158 void createConfigDirectory() 0159 { 0160 const QString configDir = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation); 0161 if (!QDir().mkpath(configDir)) 0162 out << "Could not create config directory XDG_CONFIG_HOME: " << configDir << '\n'; 0163 } 0164 0165 void runStartupConfig() 0166 { 0167 // export LC_* variables set by kcmshell5 formats into environment 0168 // so it can be picked up by QLocale and friends. 0169 KConfig config(QStringLiteral("plasma-localerc")); 0170 KConfigGroup formatsConfig = KConfigGroup(&config, QStringLiteral("Formats")); 0171 0172 const auto lcValues = {"LANG", "LC_NUMERIC", "LC_TIME", "LC_MONETARY", "LC_MEASUREMENT", "LC_COLLATE", "LC_CTYPE"}; 0173 for (auto lc : lcValues) { 0174 const QString value = formatsConfig.readEntry(lc, QString()); 0175 if (!value.isEmpty()) { 0176 qputenv(lc, value.toUtf8()); 0177 } 0178 } 0179 0180 KConfigGroup languageConfig = KConfigGroup(&config, QStringLiteral("Translations")); 0181 const QString value = languageConfig.readEntry("LANGUAGE", QString()); 0182 if (!value.isEmpty()) { 0183 qputenv("LANGUAGE", value.toUtf8()); 0184 } 0185 0186 if (!formatsConfig.hasKey("LANG") && !qEnvironmentVariableIsEmpty("LANG")) { 0187 formatsConfig.writeEntry("LANG", qgetenv("LANG")); 0188 formatsConfig.sync(); 0189 } 0190 } 0191 0192 void setupCursor(bool wayland) 0193 { 0194 #ifdef XCURSOR_PATH 0195 QByteArray path(XCURSOR_PATH); 0196 path.replace("$XCURSOR_PATH", qgetenv("XCURSOR_PATH")); 0197 qputenv("XCURSOR_PATH", path); 0198 #endif 0199 0200 // TODO: consider linking directly 0201 if (!wayland) { 0202 const KConfig cfg(QStringLiteral("kcminputrc")); 0203 const KConfigGroup inputCfg = cfg.group(QStringLiteral("Mouse")); 0204 0205 const auto cursorTheme = inputCfg.readEntry("cursorTheme", QStringLiteral("breeze_cursors")); 0206 const auto cursorSize = inputCfg.readEntry("cursorSize", 24); 0207 0208 runSync(QStringLiteral("kapplymousetheme"), {cursorTheme, QString::number(cursorSize)}); 0209 } 0210 } 0211 0212 std::optional<QProcessEnvironment> getSystemdEnvironment() 0213 { 0214 auto msg = QDBusMessage::createMethodCall(QStringLiteral("org.freedesktop.systemd1"), 0215 QStringLiteral("/org/freedesktop/systemd1"), 0216 QStringLiteral("org.freedesktop.DBus.Properties"), 0217 QStringLiteral("Get")); 0218 msg << QStringLiteral("org.freedesktop.systemd1.Manager") << QStringLiteral("Environment"); 0219 auto reply = QDBusConnection::sessionBus().call(msg); 0220 if (reply.type() == QDBusMessage::ErrorMessage) { 0221 return std::nullopt; 0222 } 0223 0224 // Make sure the returned type is correct. 0225 auto arguments = reply.arguments(); 0226 if (arguments.isEmpty() || arguments[0].userType() != qMetaTypeId<QDBusVariant>()) { 0227 return std::nullopt; 0228 } 0229 auto variant = qdbus_cast<QVariant>(arguments[0]); 0230 if (variant.typeId() != QMetaType::QStringList) { 0231 return std::nullopt; 0232 } 0233 0234 const auto assignmentList = variant.toStringList(); 0235 QProcessEnvironment ret; 0236 for (auto &env : assignmentList) { 0237 const int idx = env.indexOf(QLatin1Char('=')); 0238 if (Q_LIKELY(idx > 0)) { 0239 ret.insert(env.left(idx), env.mid(idx + 1)); 0240 } 0241 } 0242 0243 return ret; 0244 } 0245 0246 // Import systemd user environment. 0247 // 0248 // Systemd read ~/.config/environment.d which applies to all systemd user unit. 0249 // But it won't work if plasma is not started by systemd. 0250 void importSystemdEnvrionment() 0251 { 0252 const auto environment = getSystemdEnvironment(); 0253 if (!environment) { 0254 return; 0255 } 0256 0257 for (auto &nameStr : environment.value().keys()) { 0258 const auto name = nameStr.toLocal8Bit(); 0259 if (!isShellVariable(name) && !isSessionVariable(name)) { 0260 setEnvironmentVariable(name, environment.value().value(nameStr).toLocal8Bit()); 0261 } 0262 } 0263 } 0264 0265 // Source scripts found in <config locations>/plasma-workspace/env/*.sh 0266 // (where <config locations> correspond to the system and user's configuration 0267 // directory. 0268 // 0269 // Scripts are sourced in reverse order of priority of their directory, as defined 0270 // by `QStandardPaths::standardLocations`. This ensures that high-priority scripts 0271 // (such as those in the user's home directory) are sourced last and take precedence 0272 // over lower-priority scripts (such as system defaults). Scripts in the same 0273 // directory are sourced in lexical order of their filename. 0274 // 0275 // This is where you can define environment variables that will be available to 0276 // all KDE programs, so this is where you can run agents using e.g. eval `ssh-agent` 0277 // or eval `gpg-agent --daemon`. 0278 // Note: if you do that, you should also put "ssh-agent -k" as a shutdown script 0279 // 0280 // (see end of this file). 0281 // For anything else (that doesn't set env vars, or that needs a window manager), 0282 // better use the Autostart folder. 0283 0284 void runEnvironmentScripts() 0285 { 0286 QStringList scripts; 0287 auto locations = QStandardPaths::standardLocations(QStandardPaths::GenericConfigLocation); 0288 0289 //`standardLocations()` returns locations sorted by "order of priority". We iterate in reverse 0290 // order so that high-priority scripts are sourced last and their modifications take precedence. 0291 for (auto loc = locations.crbegin(); loc != locations.crend(); loc++) { 0292 QDir dir(*loc); 0293 if (!dir.cd(QStringLiteral("./plasma-workspace/env"))) { 0294 // Skip location if plasma-workspace/env subdirectory does not exist 0295 continue; 0296 } 0297 const auto dirScripts = dir.entryInfoList({QStringLiteral("*.sh")}, QDir::Files, QDir::Name); 0298 for (const auto &script : dirScripts) { 0299 scripts << script.absoluteFilePath(); 0300 } 0301 } 0302 sourceFiles(scripts); 0303 } 0304 0305 // Mark that full KDE session is running (e.g. Konqueror preloading works only 0306 // with full KDE running). The KDE_FULL_SESSION property can be detected by 0307 // any X client connected to the same X session, even if not launched 0308 // directly from the KDE session but e.g. using "ssh -X", kdesu. $KDE_FULL_SESSION 0309 // however guarantees that the application is launched in the same environment 0310 // like the KDE session and that e.g. KDE utilities/libraries are available. 0311 // KDE_FULL_SESSION property is also only available since KDE 3.5.5. 0312 // The matching tests are: 0313 // For $KDE_FULL_SESSION: 0314 // if test -n "$KDE_FULL_SESSION"; then ... whatever 0315 // For KDE_FULL_SESSION property (on X11): 0316 // xprop -root | grep "^KDE_FULL_SESSION" >/dev/null 2>/dev/null 0317 // if test $? -eq 0; then ... whatever 0318 // 0319 // Additionally there is $KDE_SESSION_UID with the uid 0320 // of the user running the KDE session. It should be rarely needed (e.g. 0321 // after sudo to prevent desktop-wide functionality in the new user's kded). 0322 // 0323 // Since KDE4 there is also KDE_SESSION_VERSION, containing the major version number. 0324 // 0325 0326 void setupPlasmaEnvironment() 0327 { 0328 // Manually disable auto scaling because we are scaling above 0329 // otherwise apps that manually opt in for high DPI get auto scaled by the developer AND manually scaled by us 0330 qputenv("QT_AUTO_SCREEN_SCALE_FACTOR", "0"); 0331 0332 qputenv("KDE_FULL_SESSION", "true"); 0333 qputenv("KDE_SESSION_VERSION", "6"); 0334 qputenv("KDE_SESSION_UID", QByteArray::number(getuid())); 0335 qputenv("XDG_CURRENT_DESKTOP", "KDE"); 0336 0337 qputenv("KDE_APPLICATIONS_AS_SCOPE", "1"); 0338 0339 qputenv("XDG_MENU_PREFIX", "plasma-"); 0340 0341 // Add kdedefaults dir to allow config defaults overriding from a writable location 0342 QByteArray currentConfigDirs = qgetenv("XDG_CONFIG_DIRS"); 0343 if (currentConfigDirs.isEmpty()) { 0344 currentConfigDirs = "/etc/xdg"; 0345 } 0346 const QString extraConfigDir = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation) + QLatin1String("/kdedefaults"); 0347 QDir().mkpath(extraConfigDir); 0348 qputenv("XDG_CONFIG_DIRS", QFile::encodeName(extraConfigDir) + ':' + currentConfigDirs); 0349 0350 const KConfig globals; 0351 const QString currentLnf = KConfigGroup(&globals, QStringLiteral("KDE")).readEntry("LookAndFeelPackage", QStringLiteral("org.kde.breeze.desktop")); 0352 QFile activeLnf(extraConfigDir + QLatin1String("/package")); 0353 activeLnf.open(QIODevice::ReadOnly); 0354 if (activeLnf.readLine() != currentLnf.toUtf8()) { 0355 KPackage::Package package = KPackage::PackageLoader::self()->loadPackage(QStringLiteral("Plasma/LookAndFeel"), currentLnf); 0356 LookAndFeelManager lnfManager; 0357 lnfManager.setMode(LookAndFeelManager::Mode::Defaults); 0358 lnfManager.save(package, KPackage::Package()); 0359 } 0360 // check if colors changed, if so apply them and discard plasma cache 0361 { 0362 LookAndFeelManager lnfManager; 0363 lnfManager.setMode(LookAndFeelManager::Mode::Apply); 0364 KConfig globals(QStringLiteral("kdeglobals")); // Reload the config 0365 KConfigGroup generalGroup(&globals, QStringLiteral("General")); 0366 const QString colorScheme = generalGroup.readEntry("ColorScheme", QStringLiteral("BreezeLight")); 0367 QString path = lnfManager.colorSchemeFile(colorScheme); 0368 0369 if (!path.isEmpty()) { 0370 QFile f(path); 0371 QCryptographicHash hash(QCryptographicHash::Sha1); 0372 if (f.open(QFile::ReadOnly) && hash.addData(&f)) { 0373 const QString fileHash = QString::fromUtf8(hash.result().toHex()); 0374 if (fileHash != generalGroup.readEntry("ColorSchemeHash", QString())) { 0375 lnfManager.setColors(colorScheme, path); 0376 generalGroup.writeEntry("ColorSchemeHash", fileHash); 0377 generalGroup.sync(); 0378 const QString svgCache = 0379 QStandardPaths::writableLocation(QStandardPaths::GenericCacheLocation) + QLatin1Char('/') + QStringLiteral("plasma-svgelements"); 0380 if (!svgCache.isEmpty()) { 0381 QFile::remove(svgCache); 0382 } 0383 } 0384 } 0385 } 0386 } 0387 } 0388 0389 void cleanupPlasmaEnvironment(const std::optional<QProcessEnvironment> &oldSystemdEnvironment) 0390 { 0391 qunsetenv("KDE_FULL_SESSION"); 0392 qunsetenv("KDE_SESSION_VERSION"); 0393 qunsetenv("KDE_SESSION_UID"); 0394 0395 if (!oldSystemdEnvironment) { 0396 return; 0397 } 0398 0399 auto currentEnv = getSystemdEnvironment(); 0400 if (!currentEnv) { 0401 return; 0402 } 0403 0404 // According to systemd documentation: 0405 // If a variable is listed in both, the variable is set after this method returns, i.e. the set list overrides the unset list. 0406 // So this will effectively restore the state to the values in oldSystemdEnvironment. 0407 QDBusMessage message = QDBusMessage::createMethodCall(QStringLiteral("org.freedesktop.systemd1"), 0408 QStringLiteral("/org/freedesktop/systemd1"), 0409 QStringLiteral("org.freedesktop.systemd1.Manager"), 0410 QStringLiteral("UnsetAndSetEnvironment")); 0411 message.setArguments({currentEnv.value().keys(), oldSystemdEnvironment.value().toStringList()}); 0412 0413 // The session program gonna quit soon, ensure the message is flushed. 0414 auto reply = QDBusConnection::sessionBus().asyncCall(message); 0415 reply.waitForFinished(); 0416 } 0417 0418 // Drop session-specific variables from the systemd environment. 0419 // Those can be leftovers from previous sessions, which can interfere with the session 0420 // we want to start now, e.g. $DISPLAY might break kwin_wayland. 0421 static void dropSessionVarsFromSystemdEnvironment() 0422 { 0423 const auto environment = getSystemdEnvironment(); 0424 if (!environment) { 0425 return; 0426 } 0427 0428 QStringList varsToDrop; 0429 for (auto &nameStr : environment.value().keys()) { 0430 // If it's set in this process, it'll be overwritten by the following UpdateLaunchEnvJob 0431 const auto name = nameStr.toLocal8Bit(); 0432 if (!qEnvironmentVariableIsSet(name) && isSessionVariable(name)) { 0433 varsToDrop.append(nameStr); 0434 } 0435 } 0436 0437 auto msg = QDBusMessage::createMethodCall(QStringLiteral("org.freedesktop.systemd1"), 0438 QStringLiteral("/org/freedesktop/systemd1"), 0439 QStringLiteral("org.freedesktop.systemd1.Manager"), 0440 QStringLiteral("UnsetEnvironment")); 0441 msg << varsToDrop; 0442 auto reply = QDBusConnection::sessionBus().call(msg); 0443 if (reply.type() == QDBusMessage::ErrorMessage) { 0444 qCWarning(PLASMA_STARTUP) << "Failed to unset systemd environment variables:" << reply.errorName() << reply.errorMessage(); 0445 } 0446 } 0447 0448 // kwin_wayland can possibly also start dbus-activated services which need env variables. 0449 // In that case, the update in startplasma might be too late. 0450 bool syncDBusEnvironment() 0451 { 0452 dropSessionVarsFromSystemdEnvironment(); 0453 0454 // Shell variables are filtered out of things we explicitly load, but they 0455 // still might have been inherited from the parent process 0456 QProcessEnvironment environment = QProcessEnvironment::systemEnvironment(); 0457 for (auto &name : environment.keys()) { 0458 if (isShellVariable(name.toLocal8Bit())) { 0459 environment.remove(name); 0460 } 0461 } 0462 0463 // At this point all environment variables are set, let's send it to the DBus session server to update the activation environment 0464 auto job = new KUpdateLaunchEnvironmentJob(environment); 0465 QEventLoop e; 0466 QObject::connect(job, &KUpdateLaunchEnvironmentJob::finished, &e, &QEventLoop::quit); 0467 e.exec(); 0468 return true; 0469 } 0470 0471 static bool desktopLockedAtStart = false; 0472 0473 QProcess *setupKSplash() 0474 { 0475 const auto dlstr = qgetenv("DESKTOP_LOCKED"); 0476 desktopLockedAtStart = dlstr == "true" || dlstr == "1"; 0477 qunsetenv("DESKTOP_LOCKED"); // Don't want it in the environment 0478 0479 QProcess *p = nullptr; 0480 if (!desktopLockedAtStart) { 0481 const KConfig cfg(QStringLiteral("ksplashrc")); 0482 // the splashscreen and progress indicator 0483 KConfigGroup ksplashCfg = cfg.group(QStringLiteral("KSplash")); 0484 if (ksplashCfg.readEntry("Engine", QStringLiteral("KSplashQML")) == QLatin1String("KSplashQML")) { 0485 p = new QProcess; 0486 p->setProcessChannelMode(QProcess::ForwardedChannels); 0487 p->start(QStringLiteral("ksplashqml"), {ksplashCfg.readEntry("Theme", QStringLiteral("Breeze"))}); 0488 } 0489 } 0490 return p; 0491 } 0492 0493 // If something went on an endless restart crash loop it will get blacklisted, as this is a clean login we will want to reset those counters 0494 // This is independent of whether we use the Plasma systemd boot 0495 void resetSystemdFailedUnits() 0496 { 0497 QDBusMessage message = QDBusMessage::createMethodCall(QStringLiteral("org.freedesktop.systemd1"), 0498 QStringLiteral("/org/freedesktop/systemd1"), 0499 QStringLiteral("org.freedesktop.systemd1.Manager"), 0500 QStringLiteral("ResetFailed")); 0501 QDBusConnection::sessionBus().call(message); 0502 } 0503 0504 // Reload systemd to make sure the current configuration is active, which also reruns generators. 0505 // Needed for e.g. XDG autostart changes to become effective. 0506 void reloadSystemd() 0507 { 0508 QDBusMessage message = QDBusMessage::createMethodCall(QStringLiteral("org.freedesktop.systemd1"), 0509 QStringLiteral("/org/freedesktop/systemd1"), 0510 QStringLiteral("org.freedesktop.systemd1.Manager"), 0511 QStringLiteral("Reload")); 0512 QDBusConnection::sessionBus().call(message); 0513 } 0514 0515 bool hasSystemdService(const QString &serviceName) 0516 { 0517 qDBusRegisterMetaType<QPair<QString, QString>>(); 0518 qDBusRegisterMetaType<QList<QPair<QString, QString>>>(); 0519 auto msg = QDBusMessage::createMethodCall(QStringLiteral("org.freedesktop.systemd1"), 0520 QStringLiteral("/org/freedesktop/systemd1"), 0521 QStringLiteral("org.freedesktop.systemd1.Manager"), 0522 QStringLiteral("ListUnitFilesByPatterns")); 0523 msg << QStringList({QStringLiteral("enabled"), QStringLiteral("static"), QStringLiteral("linked"), QStringLiteral("linked-runtime")}); 0524 msg << QStringList({serviceName}); 0525 QDBusReply<QList<QPair<QString, QString>>> reply = QDBusConnection::sessionBus().call(msg); 0526 if (!reply.isValid()) { 0527 return false; 0528 } 0529 // if we have a service returned then it must have found it 0530 return !reply.value().isEmpty(); 0531 } 0532 0533 bool useSystemdBoot() 0534 { 0535 auto config = KSharedConfig::openConfig(QStringLiteral("startkderc"), KConfig::NoGlobals); 0536 const QString configValue = config->group(QStringLiteral("General")).readEntry("systemdBoot", QStringLiteral("true")).toLower(); 0537 0538 if (configValue == QLatin1String("false")) { 0539 return false; 0540 } 0541 0542 if (configValue == QLatin1String("force")) { 0543 qInfo() << "Systemd boot forced"; 0544 return true; 0545 } 0546 0547 if (!hasSystemdService(QStringLiteral("plasma-workspace.target"))) { 0548 return false; 0549 } 0550 0551 // xdg-desktop-autostart.target is shipped with an systemd 246 and provides a generator 0552 // for creating units out of existing autostart files 0553 // only enable our systemd boot if that exists, unless the user has forced the systemd boot above 0554 return hasSystemdService(QStringLiteral("xdg-desktop-autostart.target")); 0555 } 0556 0557 void startKSplashViaSystemd() 0558 { 0559 const KConfig cfg(QStringLiteral("ksplashrc")); 0560 // the splashscreen and progress indicator 0561 KConfigGroup ksplashCfg = cfg.group(QStringLiteral("KSplash")); 0562 if (ksplashCfg.readEntry("Engine", QStringLiteral("KSplashQML")) == QLatin1String("KSplashQML")) { 0563 auto msg = QDBusMessage::createMethodCall(QStringLiteral("org.freedesktop.systemd1"), 0564 QStringLiteral("/org/freedesktop/systemd1"), 0565 QStringLiteral("org.freedesktop.systemd1.Manager"), 0566 QStringLiteral("StartUnit")); 0567 msg << QStringLiteral("plasma-ksplash.service") << QStringLiteral("fail"); 0568 QDBusReply<QDBusObjectPath> reply = QDBusConnection::sessionBus().call(msg); 0569 } 0570 } 0571 0572 static void migrateUserScriptsAutostart() 0573 { 0574 QDir configLocation(QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation)); 0575 QDir autostartScriptsLocation(configLocation.filePath(QStringLiteral("autostart-scripts"))); 0576 if (!autostartScriptsLocation.exists()) { 0577 return; 0578 } 0579 const QDir autostartScriptsMovedLocation(configLocation.filePath(QStringLiteral("old-autostart-scripts"))); 0580 const auto entries = autostartScriptsLocation.entryInfoList(QDir::Files); 0581 for (const auto &info : entries) { 0582 const auto scriptName = info.fileName(); 0583 const auto scriptPath = info.absoluteFilePath(); 0584 const auto scriptMovedPath = autostartScriptsMovedLocation.filePath(scriptName); 0585 0586 // Don't migrate backup files 0587 if (scriptName.endsWith(QLatin1Char('~')) || scriptName.endsWith(QLatin1String(".bak")) 0588 || (scriptName[0] == QLatin1Char('%') && scriptName.endsWith(QLatin1Char('%'))) 0589 || (scriptName[0] == QLatin1Char('#') && scriptName.endsWith(QLatin1Char('#')))) { 0590 qCDebug(PLASMA_STARTUP) << "Not migrating backup autostart script" << scriptName; 0591 continue; 0592 } 0593 0594 // Migrate autostart script to a standard .desktop autostart file 0595 AutostartScriptDesktopFile desktopFile(scriptName, 0596 info.isSymLink() ? info.symLinkTarget() : scriptMovedPath, 0597 QStringLiteral("application-x-executable-script")); 0598 qCInfo(PLASMA_STARTUP) << "Migrated legacy autostart script" << scriptPath << "to" << desktopFile.fileName(); 0599 0600 if (info.isSymLink() && QFile::remove(scriptPath)) { 0601 qCInfo(PLASMA_STARTUP) << "Removed legacy autostart script" << scriptPath << "that pointed to" << info.symLinkTarget(); 0602 } 0603 } 0604 // Delete or rename autostart-scripts to old-autostart-scripts to avoid running the migration again 0605 if (autostartScriptsLocation.entryInfoList(QDir::Files).empty()) { 0606 autostartScriptsLocation.removeRecursively(); 0607 } else { 0608 configLocation.rename(autostartScriptsLocation.dirName(), autostartScriptsMovedLocation.dirName()); 0609 } 0610 // Reload systemd so that the XDG autostart generator is run again to pick up the new .desktop files 0611 QDBusMessage message = QDBusMessage::createMethodCall(QStringLiteral("org.freedesktop.systemd1"), 0612 QStringLiteral("/org/freedesktop/systemd1"), 0613 QStringLiteral("org.freedesktop.systemd1.Manager"), 0614 QStringLiteral("Reload")); 0615 QDBusConnection::sessionBus().call(message); 0616 } 0617 0618 bool startPlasmaSession(bool wayland) 0619 { 0620 resetSystemdFailedUnits(); 0621 reloadSystemd(); 0622 OrgKdeKSplashInterface iface(QStringLiteral("org.kde.KSplash"), QStringLiteral("/KSplash"), QDBusConnection::sessionBus()); 0623 iface.setStage(QStringLiteral("startPlasma")); 0624 // finally, give the session control to the session manager 0625 // see kdebase/ksmserver for the description of the rest of the startup sequence 0626 // if the KDEWM environment variable has been set, then it will be used as KDE's 0627 // window manager instead of kwin. 0628 // if KDEWM is not set, ksmserver will ensure kwin is started. 0629 // kwrapper5 is used to reduce startup time and memory usage 0630 // kwrapper5 does not return useful error codes such as the exit code of ksmserver. 0631 // We only check for 255 which means that the ksmserver process could not be 0632 // started, any problems thereafter, e.g. ksmserver failing to initialize, 0633 // will remain undetected. 0634 // If the session should be locked from the start (locked autologin), 0635 // lock now and do the rest of the KDE startup underneath the locker. 0636 0637 bool rc = true; 0638 QEventLoop e; 0639 0640 QDBusServiceWatcher serviceWatcher; 0641 serviceWatcher.setConnection(QDBusConnection::sessionBus()); 0642 0643 // We want to exit when both ksmserver and plasma-session-shutdown have finished 0644 // This also closes if ksmserver crashes unexpectedly, as in those cases plasma-shutdown is not running 0645 if (wayland) { 0646 serviceWatcher.addWatchedService(QStringLiteral("org.kde.KWinWrapper")); 0647 } else { 0648 serviceWatcher.addWatchedService(QStringLiteral("org.kde.ksmserver")); 0649 } 0650 serviceWatcher.addWatchedService(QStringLiteral("org.kde.Shutdown")); 0651 serviceWatcher.setWatchMode(QDBusServiceWatcher::WatchForUnregistration); 0652 0653 QObject::connect(&serviceWatcher, &QDBusServiceWatcher::serviceUnregistered, [&]() { 0654 const QStringList watchedServices = serviceWatcher.watchedServices(); 0655 bool plasmaSessionRunning = std::any_of(watchedServices.constBegin(), watchedServices.constEnd(), [](const QString &service) { 0656 return QDBusConnection::sessionBus().interface()->isServiceRegistered(service); 0657 }); 0658 if (!plasmaSessionRunning) { 0659 e.quit(); 0660 } 0661 }); 0662 0663 // Create .desktop files for the scripts in .config/autostart-scripts 0664 migrateUserScriptsAutostart(); 0665 0666 std::unique_ptr<QProcess, KillBeforeDeleter> startPlasmaSession; 0667 if (!useSystemdBoot()) { 0668 startPlasmaSession.reset(new QProcess); 0669 qCDebug(PLASMA_STARTUP) << "Using classic boot"; 0670 0671 QStringList plasmaSessionOptions; 0672 if (wayland) { 0673 plasmaSessionOptions << QStringLiteral("--no-lockscreen"); 0674 } else { 0675 if (desktopLockedAtStart) { 0676 plasmaSessionOptions << QStringLiteral("--lockscreen"); 0677 } 0678 } 0679 0680 startPlasmaSession->setProcessChannelMode(QProcess::ForwardedChannels); 0681 QObject::connect(startPlasmaSession.get(), &QProcess::finished, &e, [&rc](int exitCode, QProcess::ExitStatus) { 0682 if (exitCode == 255) { 0683 // Startup error 0684 messageBox(QStringLiteral("startkde: Could not start plasma_session. Check your installation.\n")); 0685 rc = false; 0686 } 0687 }); 0688 0689 startPlasmaSession->start(QStringLiteral(CMAKE_INSTALL_FULL_BINDIR "/plasma_session"), plasmaSessionOptions); 0690 } else { 0691 qCDebug(PLASMA_STARTUP) << "Using systemd boot"; 0692 const QString platform = wayland ? QStringLiteral("wayland") : QStringLiteral("x11"); 0693 0694 auto msg = QDBusMessage::createMethodCall(QStringLiteral("org.freedesktop.systemd1"), 0695 QStringLiteral("/org/freedesktop/systemd1"), 0696 QStringLiteral("org.freedesktop.systemd1.Manager"), 0697 QStringLiteral("StartUnit")); 0698 msg << QStringLiteral("plasma-workspace-%1.target").arg(platform) << QStringLiteral("fail"); 0699 QDBusReply<QDBusObjectPath> reply = QDBusConnection::sessionBus().call(msg); 0700 if (!reply.isValid()) { 0701 qCWarning(PLASMA_STARTUP) << "Could not start systemd managed Plasma session:" << reply.error().name() << reply.error().message(); 0702 messageBox(QStringLiteral("startkde: Could not start Plasma session.\n")); 0703 rc = false; 0704 } else { 0705 playStartupSound(); 0706 } 0707 if (wayland) { 0708 startKSplashViaSystemd(); 0709 } 0710 } 0711 if (rc) { 0712 QObject::connect(QCoreApplication::instance(), &QCoreApplication::aboutToQuit, &e, &QEventLoop::quit); 0713 e.exec(); 0714 } 0715 return rc; 0716 } 0717 0718 void waitForKonqi() 0719 { 0720 const KConfig cfg(QStringLiteral("startkderc")); 0721 const KConfigGroup grp = cfg.group(QStringLiteral("WaitForDrKonqi")); 0722 bool wait_drkonqi = grp.readEntry("Enabled", true); 0723 if (wait_drkonqi) { 0724 // wait for remaining drkonqi instances with timeout (in seconds) 0725 const int wait_drkonqi_timeout = grp.readEntry("Timeout", 900) * 1000; 0726 QElapsedTimer wait_drkonqi_counter; 0727 wait_drkonqi_counter.start(); 0728 QStringList services = allServices(QLatin1String("org.kde.drkonqi-")); 0729 while (!services.isEmpty()) { 0730 sleep(5); 0731 services = allServices(QLatin1String("org.kde.drkonqi-")); 0732 if (wait_drkonqi_counter.elapsed() >= wait_drkonqi_timeout) { 0733 // ask remaining drkonqis to die in a graceful way 0734 for (const auto &service : std::as_const(services)) { 0735 QDBusInterface iface(service, QStringLiteral("/MainApplication")); 0736 iface.call(QStringLiteral("quit")); 0737 } 0738 break; 0739 } 0740 } 0741 } 0742 } 0743 0744 void playStartupSound() 0745 { 0746 KNotifyConfig notifyConfig(QStringLiteral("plasma_workspace"), QStringLiteral("startkde")); 0747 const QString action = notifyConfig.readEntry(QStringLiteral("Action")); 0748 if (action.isEmpty() || !action.split(QLatin1Char('|')).contains(QLatin1String("Sound"))) { 0749 // no startup sound configured 0750 return; 0751 } 0752 Phonon::AudioOutput *audioOutput = new Phonon::AudioOutput(Phonon::NotificationCategory); 0753 0754 QString soundFilename = notifyConfig.readEntry(QStringLiteral("Sound")); 0755 if (soundFilename.isEmpty()) { 0756 qCWarning(PLASMA_STARTUP) << "Audio notification requested, but no sound file provided in notifyrc file, aborting audio notification"; 0757 audioOutput->deleteLater(); 0758 return; 0759 } 0760 0761 QUrl soundURL; 0762 const auto dataLocations = QStandardPaths::standardLocations(QStandardPaths::GenericDataLocation); 0763 for (const QString &dataLocation : dataLocations) { 0764 soundURL = QUrl::fromUserInput(soundFilename, dataLocation + QStringLiteral("/sounds"), QUrl::AssumeLocalFile); 0765 if (soundURL.isLocalFile() && QFile::exists(soundURL.toLocalFile())) { 0766 break; 0767 } else if (!soundURL.isLocalFile() && soundURL.isValid()) { 0768 break; 0769 } 0770 soundURL.clear(); 0771 } 0772 if (soundURL.isEmpty()) { 0773 qCWarning(PLASMA_STARTUP) << "Audio notification requested, but sound file from notifyrc file was not found, aborting audio notification"; 0774 audioOutput->deleteLater(); 0775 return; 0776 } 0777 0778 Phonon::MediaObject *mediaObject = new Phonon::MediaObject(); 0779 Phonon::createPath(mediaObject, audioOutput); 0780 QObject::connect(mediaObject, &Phonon::MediaObject::finished, audioOutput, &QObject::deleteLater); 0781 QObject::connect(mediaObject, &Phonon::MediaObject::finished, mediaObject, &QObject::deleteLater); 0782 0783 mediaObject->setCurrentSource(soundURL); 0784 mediaObject->play(); 0785 }