//Stand-alone function to check a username/password combination for validity
void XProcess::checkPW(QString user, QString pwd){
xuser = Backend::getUsernameFromDisplayname(user);
xpwd = pwd;
bool ok = pam_checkPW();
pam_shutdown();
xuser.clear();
xpwd.clear();
if(ok){ emit ValidLogin(); }
else{ emit InvalidLogin(); }
}
//Stand-alone function to check a username/password combination for validity
void XProcess::checkPW(QString user, QString pwd){
if(USERS->isReady(user)){ xuser = user; }
else{ xuser = USERS->findUser(user); } //convert display name into username
//xuser = Backend::getUsernameFromDisplayname(user);
xpwd = pwd;
bool ok = pam_checkPW();
pam_shutdown();
xuser.clear();
xpwd.clear();
if(ok){ emit ValidLogin(); }
else{ emit InvalidLogin(); }
}
void XProcess::setupDesktop(QString user, QString pwd, QString desktop){
//Setup internal variables
xuser = Backend::getUsernameFromDisplayname(user);
xpwd = pwd;
xhome = Backend::getUserHomeDir(xuser);
xcmd = Backend::getDesktopBinary(desktop);
xde = desktop;
//Also check password validity
bool ok = pam_checkPW();
pam_shutdown();
if(ok){ emit ValidLogin(); }
else{ emit InvalidLogin(); }
}
int runSingleSession(int argc, char *argv[]){
//QTime clock;
//clock.start();
Backend::checkLocalDirs(); // Create and fill "/usr/local/share/PCDM" if needed
Backend::openLogFile("/var/log/PCDM.log");
//qDebug() << "Backend Checks Finished:" << QString::number(clock.elapsed())+" ms";
//Check for the flag to try and auto-login
bool ALtriggered = FALSE;
if(QFile::exists(TMPAUTOLOGINFILE)){ ALtriggered=TRUE; QFile::remove(TMPAUTOLOGINFILE); }
QString changeLang;
// Load the configuration file
QString confFile = "/usr/local/etc/pcdm.conf";
if(!QFile::exists(confFile)){
qDebug() << "PCDM: Configuration file missing:"<<confFile<<"\n - Using default configuration";
confFile = ":samples/pcdm.conf";
}
Config::loadConfigFile(confFile);
//qDebug() << "Config File Loaded:" << QString::number(clock.elapsed())+" ms";
// Startup the main application
QApplication a(argc,argv);
// Show our splash screen, so the user doesn't freak that that it takes a few seconds to show up
QSplashScreen splash;
if(!Config::splashscreen().isEmpty()){
splash.setPixmap( QPixmap(Config::splashscreen()) ); //load the splashscreen file
}
splash.show();
QCoreApplication::processEvents(); //Process the splash screen event immediately
//qDebug() << "SplashScreen Started:" << QString::number(clock.elapsed())+" ms";
//Initialize the xprocess
XProcess desktop;
//*** STARTUP THE PROGRAM ***
bool goodAL = FALSE; //Flag for whether the autologin was successful
// Start the autologin procedure if applicable
if( ALtriggered && Config::useAutoLogin() ){
//Setup the Auto Login
QString user = Backend::getALUsername();
QString pwd = Backend::getALPassword();
QString dsk = Backend::getLastDE(user);
if( user.isEmpty() || dsk.isEmpty() ){
goodAL=FALSE;
}else{
desktop.loginToXSession(user,pwd, dsk);
splash.close();
if(desktop.isRunning()){
goodAL=TRUE; //flag this as a good login to skip the GUI
}
}
}
//qDebug() << "AutoLogin Finished:" << QString::number(clock.elapsed())+" ms";
if(!goodAL){
// ------START THE PCDM GUI-------
// Check what directory our app is in
QString appDir = "/usr/local/share/PCDM";
// Load the translator
QTranslator translator;
QLocale mylocale;
QString langCode = mylocale.name();
//Check for a language change detected
if ( ! changeLang.isEmpty() )
langCode = changeLang;
//Load the proper locale for the translator
if ( QFile::exists(appDir + "/i18n/PCDM_" + langCode + ".qm" ) ) {
translator.load( QString("PCDM_") + langCode, appDir + "/i18n/" );
a.installTranslator(&translator);
Backend::log("Loaded Translation:" + appDir + "/i18n/PCDM_" + langCode + ".qm");
} else {
Backend::log("Could not find: " + appDir + "/i18n/PCDM_" + langCode + ".qm");
langCode = "";
}
//qDebug() << "Translation Finished:" << QString::number(clock.elapsed())+" ms";
Backend::log("Starting up PCDM interface");
PCDMgui w;
//qDebug() << "Main GUI Created:" << QString::number(clock.elapsed())+" ms";
splash.finish(&w); //close the splash when the GUI starts up
// Set full-screen dimensions
QRect dimensions = QApplication::desktop()->screenGeometry();
int wid = dimensions.width(); // returns desktop width
int hig = dimensions.height(); // returns desktop height
w.setGeometry(0, 0, wid, hig);
//Set the proper size on the Application
w.setWindowFlags(Qt::Window | Qt::FramelessWindowHint | Qt::WindowStaysOnBottomHint);
w.setWindowState(Qt::WindowMaximized); //Qt::WindowFullScreen);
//Setup the signals/slots to startup the desktop session
if(USECLIBS){ QObject::connect( &w,SIGNAL(xLoginAttempt(QString,QString,QString)), &desktop,SLOT(setupDesktop(QString,QString,QString))); }
else{ QObject::connect( &w,SIGNAL(xLoginAttempt(QString,QString,QString)), &desktop,SLOT(loginToXSession(QString,QString,QString)) ); }
//Setup the signals/slots for return information for the GUI
QObject::connect( &desktop, SIGNAL(InvalidLogin()), &w, SLOT(slotLoginFailure()) );
QObject::connect( &desktop, SIGNAL(started()), &w, SLOT(slotLoginSuccess()) );
QObject::connect( &desktop, SIGNAL(ValidLogin()), &w, SLOT(slotLoginSuccess()) );
//qDebug() << "Showing GUI:" << QString::number(clock.elapsed())+" ms";
w.show();
a.exec();
} // end of PCDM GUI running
int retcode = 0;
//Wait for the desktop session to finish before exiting
if(USECLIBS){ desktop.startDesktop(); }
else{ desktop.waitForSessionClosed(); }
splash.show(); //show the splash screen again
splash.showMessage(QObject::tr("System Shutting Down"), Qt::AlignHCenter | Qt::AlignBottom, Qt::white);
//check for shutdown process
if(QFile::exists("/var/run/nologin")){
//Pause for a few seconds to prevent starting a new session during a shutdown
QTime wTime = QTime::currentTime().addSecs(30);
while( QTime::currentTime() < wTime ){
//Keep processing events during the wait (for splashscreen)
QCoreApplication::processEvents(QEventLoop::AllEvents, 100);
}
//set the return code for a shutdown
retcode = -1; //make sure it does not start a new session
}
//Clean up Code
delete &desktop;
delete &a;
delete &splash;
return retcode;
}
