-rw-r--r-- | core/opie-login/main.cpp | 466 |
1 files changed, 234 insertions, 232 deletions
diff --git a/core/opie-login/main.cpp b/core/opie-login/main.cpp index 3f1077c..b76d2c7 100644 --- a/core/opie-login/main.cpp +++ b/core/opie-login/main.cpp @@ -57,307 +57,309 @@ #include <string.h> using namespace Opie::Core; int login_main ( int argc, char **argv, pid_t ppid ); void sigterm ( int sig ); void sigint ( int sig ); void exit_closelog ( ); int main ( int argc, char **argv ) { int userExited = 0; - pid_t ppid = ::getpid ( ); + pid_t ppid = ::getpid ( ); - if ( ::geteuid ( ) != 0 ) { - ::fprintf ( stderr, "%s can only be executed by root. (or chmod +s)\n", argv [0] ); - return 1; - } - if ( ::getuid ( ) != 0 ) // qt doesn't really like SUID and - ::setuid ( 0 ); // messes up things like config files - -// struct rlimit rl; -// ::getrlimit ( RLIMIT_NOFILE, &rl ); - -// for ( unsigned int i = 0; i < rl. rlim_cur; i++ ) -// ::close ( i ); + if ( ::geteuid ( ) != 0 ) { + ::fprintf ( stderr, "%s can only be executed by root. (or chmod +s)\n", argv [0] ); + return 1; + } + /*! + * @bug + * Qte does not really like being set UID root. This is + * largely because we do almost everything on config files + * in root context. So if you even want to use opie-login + * you are in for a world of hurt unless someone at least + * scrubs the settings area and the PIM apps to make sure that + * they are covered regarding perms and users. + */ + if ( ::getuid ( ) != 0 ) + ::setuid ( 0 ); + + ::setpgid ( 0, 0 ); + ::setsid ( ); + + ::signal ( SIGTERM, sigterm ); + ::signal ( SIGINT, sigterm ); + + ::openlog ( "opie-login", LOG_CONS, LOG_AUTHPRIV ); + ::atexit ( exit_closelog ); + + const char* autolog = 0; + Config c( "opie-login" ); + c.setGroup( "autologin" ); + QString entry = c.readEntry( "user", "" ); + if ( !entry.isEmpty() ) + autolog = ::strdup( (const char*) entry ); + + while ( true ) { + pid_t child = ::fork ( ); - ::setpgid ( 0, 0 ); - ::setsid ( ); + if ( child < 0 ) { + ::syslog ( LOG_ERR, "Could not fork GUI process\n" ); + break; + } + else if ( child > 0 ) { + int status = 0; + time_t started = ::time ( 0 ); - ::signal ( SIGTERM, sigterm ); - ::signal ( SIGINT, sigterm ); + while ( ::waitpid ( child, &status, 0 ) < 0 ) + ; - ::openlog ( "opie-login", LOG_CONS, LOG_AUTHPRIV ); - ::atexit ( exit_closelog ); + LoginApplication::logout ( ); - const char* autolog = 0; - Config c( "opie-login" ); - c.setGroup( "autologin" ); - QString entry = c.readEntry( "user", "" ); - if ( !entry.isEmpty() ) autolog = ::strdup( (const char*) entry ); - - while ( true ) { - pid_t child = ::fork ( ); - - if ( child < 0 ) { - ::syslog ( LOG_ERR, "Could not fork GUI process\n" ); - break; - } - else if ( child > 0 ) { - int status = 0; - time_t started = ::time ( 0 ); - - while ( ::waitpid ( child, &status, 0 ) < 0 ) { } - - LoginApplication::logout ( ); - - if (( ::time ( 0 ) - started ) < 3 ) { - if ( autolog ) { - ::syslog ( LOG_ERR, "Respawning too fast -- disabling auto-login\n" ); - autolog = 0; - } - else { - ::syslog ( LOG_ERR, "Respawning too fast -- going down\n" ); - break; - } - } - int killedbysig = 0; + if (( ::time ( 0 ) - started ) < 3 ) { + if ( autolog ) { + ::syslog ( LOG_ERR, "Respawning too fast -- disabling auto-login\n" ); + autolog = 0; + } + else { + ::syslog ( LOG_ERR, "Respawning too fast -- going down\n" ); + break; + } + } + int killedbysig = 0; userExited=0; if (WIFEXITED(status)!=0 ) { if (WEXITSTATUS(status)==137) { userExited=1; } } - if ( WIFSIGNALED( status )) { - switch ( WTERMSIG( status )) { - case SIGTERM: - case SIGINT : - case SIGKILL: - break; + if ( WIFSIGNALED( status )) { + switch ( WTERMSIG( status )) { + case SIGTERM: + case SIGINT : + case SIGKILL: + break; - default : - killedbysig = WTERMSIG( status ); - break; - } - } - if ( killedbysig ) { // qpe was killed by an uncaught signal - qApp = 0; + default : + killedbysig = WTERMSIG( status ); + break; + } + } + if ( killedbysig ) { // qpe was killed by an uncaught signal + qApp = 0; - ::syslog ( LOG_ERR, "Opie was killed by a signal #%d", killedbysig ); + ::syslog ( LOG_ERR, "Opie was killed by a signal #%d", killedbysig ); - QWSServer::setDesktopBackground ( QImage ( )); - QApplication *app = new QApplication ( argc, argv, QApplication::GuiServer ); - app-> setFont ( QFont ( "Helvetica", 10 )); - app-> setStyle ( new QPEStyle ( )); + QWSServer::setDesktopBackground ( QImage ( )); + QApplication *app = new QApplication ( argc, argv, QApplication::GuiServer ); + app-> setFont ( QFont ( "Helvetica", 10 )); + app-> setStyle ( new QPEStyle ( )); #ifndef __UCLIBC__ - const char *sig = ::sys_siglist[killedbysig]; + const char *sig = ::sys_siglist[killedbysig]; #else - const char *sig = ::strsignal ( killedbysig ); + const char *sig = ::strsignal ( killedbysig ); #endif - QLabel *l = new QLabel ( 0, "sig", Qt::WStyle_Customize | Qt::WStyle_NoBorder | Qt::WStyle_Tool ); - l-> setText ( LoginWindowImpl::tr( "Opie was terminated\nby an uncaught signal\n(%1)\n" ). arg ( sig )); - l-> setAlignment ( Qt::AlignCenter ); - l-> move ( 0, 0 ); - l-> resize ( app-> desktop ( )-> width ( ), app-> desktop ( )-> height ( )); - l-> show ( ); - QTimer::singleShot ( 3000, app, SLOT( quit())); - app-> exec ( ); - delete app; - qApp = 0; - } - } - else { - if ( !autolog ) { + QLabel *l = new QLabel ( 0, "sig", Qt::WStyle_Customize | Qt::WStyle_NoBorder | Qt::WStyle_Tool ); + l-> setText ( LoginWindowImpl::tr( "Opie was terminated\nby an uncaught signal\n(%1)\n" ). arg ( sig )); + l-> setAlignment ( Qt::AlignCenter ); + l-> move ( 0, 0 ); + l-> resize ( app-> desktop ( )-> width ( ), app-> desktop ( )-> height ( )); + l-> show ( ); + QTimer::singleShot ( 3000, app, SLOT( quit())); + app-> exec ( ); + delete app; + qApp = 0; + } + } + else { + if ( !autolog ) { QString confFile=QPEApplication::qpeDir() + "etc/opie-login.conf"; - Config cfg ( confFile, Config::File ); - cfg. setGroup ( "General" ); - QString user = cfg. readEntry ( "AutoLogin" ); - - if ( !user. isEmpty ( )) - autolog = ::strdup ( user. latin1 ( )); - } + Config cfg ( confFile, Config::File ); + cfg. setGroup ( "General" ); + QString user = cfg. readEntry ( "AutoLogin" ); - if ( autolog && !userExited ) { + if ( !user. isEmpty ( )) + autolog = ::strdup ( user. latin1 ( )); + } + if ( autolog && !userExited ) { QWSServer::setDesktopBackground( QImage() ); ODevice::inst()->setDisplayStatus( true ); LoginApplication *app = new LoginApplication ( argc, argv, ppid ); LoginApplication::setLoginAs( autolog ); - - if ( LoginApplication::changeIdentity ( )) - ::exit ( LoginApplication::login ( )); - else - ::exit ( 0 ); - } - else { - ::exit ( login_main ( argc, argv, ppid )); + if ( LoginApplication::changeIdentity ( )) + ::exit ( LoginApplication::login ( )); + else + ::exit ( 0 ); + } + else { + ::exit ( login_main ( argc, argv, ppid )); } - } - } - return 0; + } + } + return 0; } void sigterm ( int /*sig*/ ) { - ::exit ( 0 ); + ::exit ( 0 ); } void exit_closelog ( ) { - ::closelog ( ); + ::closelog ( ); } class LoginScreenSaver : public QWSScreenSaver { -public: - LoginScreenSaver ( ) - { - m_lcd_status = true; - - m_backlight_bright = -1; - m_backlight_forcedoff = false; - - // Make sure the LCD is in fact on, (if opie was killed while the LCD is off it would still be off) - ODevice::inst ( )-> setDisplayStatus ( true ); - } - void restore() - { - if ( !m_lcd_status ) // We must have turned it off - ODevice::inst ( ) -> setDisplayStatus ( true ); - - setBacklight ( -3 ); - } - bool save( int level ) - { - switch ( level ) { - case 0: - if ( backlight() > 1 ) - setBacklight( 1 ); // lowest non-off - return true; - break; - case 1: - setBacklight( 0 ); // off - return true; - break; - case 2: - // We're going to suspend the whole machine - if ( PowerStatusManager::readStatus().acStatus() != PowerStatus::Online ) { - QWSServer::sendKeyEvent( 0xffff, Qt::Key_F34, FALSE, TRUE, FALSE ); - return true; + public: + LoginScreenSaver ( ) + { + m_lcd_status = true; + + m_backlight_bright = -1; + m_backlight_forcedoff = false; + + // Make sure the LCD is in fact on, (if opie was killed while the LCD is off it would still be off) + ODevice::inst ( )-> setDisplayStatus ( true ); } - break; - } - return false; - } - -private: -public: - void setIntervals( int i1 = 30, int i2 = 20, int i3 = 60 ) - { - int v [4]; - - v [ 0 ] = QMAX( 1000 * i1, 100 ); - v [ 1 ] = QMAX( 1000 * i2, 100 ); - v [ 2 ] = QMAX( 1000 * i3, 100 ); - v [ 3 ] = 0; - - if ( !i1 && !i2 && !i3 ) - QWSServer::setScreenSaverInterval ( 0 ); - else - QWSServer::setScreenSaverIntervals ( v ); - } - - int backlight ( ) - { - if ( m_backlight_bright == -1 ) - m_backlight_bright = 255; - - return m_backlight_bright; - } - - void setBacklight ( int bright ) - { - if ( bright == -3 ) { - // Forced on - m_backlight_forcedoff = false; - bright = -1; - } - if ( m_backlight_forcedoff && bright != -2 ) - return ; - if ( bright == -2 ) { - // Toggle between off and on - bright = m_backlight_bright ? 0 : -1; - m_backlight_forcedoff = !bright; - } + void restore() + { + if ( !m_lcd_status ) // We must have turned it off + ODevice::inst ( ) -> setDisplayStatus ( true ); - m_backlight_bright = bright; + setBacklight ( -3 ); + } + bool save( int level ) + { + switch ( level ) { + case 0: + if ( backlight() > 1 ) + setBacklight( 1 ); // lowest non-off + return true; + break; + case 1: + setBacklight( 0 ); // off + return true; + break; + case 2: + default: + // We're going to suspend the whole machine + if ( PowerStatusManager::readStatus().acStatus() != PowerStatus::Online ) { + QWSServer::sendKeyEvent( 0xffff, Qt::Key_F34, FALSE, TRUE, FALSE ); + return true; + } + break; + } + return false; + } - bright = backlight ( ); - ODevice::inst ( ) -> setDisplayBrightness ( bright ); + void setIntervals( int i1 = 30, int i2 = 20, int i3 = 60 ) + { + int v [4]; - m_backlight_bright = bright; - } + v [ 0 ] = QMAX( 1000 * i1, 100 ); + v [ 1 ] = QMAX( 1000 * i2, 100 ); + v [ 2 ] = QMAX( 1000 * i3, 100 ); + v [ 3 ] = 0; -private: - bool m_lcd_status; + if ( !i1 && !i2 && !i3 ) + QWSServer::setScreenSaverInterval ( 0 ); + else + QWSServer::setScreenSaverIntervals ( v ); + } - int m_backlight_bright; - bool m_backlight_forcedoff; -}; + int backlight ( ) + { + if ( m_backlight_bright == -1 ) + m_backlight_bright = 255; + return m_backlight_bright; + } -int login_main ( int argc, char **argv, pid_t ppid ) -{ - QWSServer::setDesktopBackground( QImage() ); - LoginApplication *app = new LoginApplication ( argc, argv, ppid ); + void setBacklight ( int bright ) + { + if ( bright == -3 ) { + // Forced on + m_backlight_forcedoff = false; + bright = -1; + } + if ( m_backlight_forcedoff && bright != -2 ) + return; - app-> setFont ( QFont ( "Helvetica", 10 )); - app-> setStyle ( new QPEStyle ( )); + if ( bright == -2 ) { + // Toggle between off and on + bright = m_backlight_bright ? 0 : -1; + m_backlight_forcedoff = !bright; + } - if ( QWSServer::mouseHandler() && - QWSServer::mouseHandler() ->inherits("QCalibratedMouseHandler") ) { - if ( !QFile::exists ( "/etc/pointercal" )) { - // Make sure calibration widget starts on top. - Calibrate *cal = new Calibrate; - cal-> exec ( ); - delete cal; - } - } + m_backlight_bright = bright; - LoginScreenSaver *saver = new LoginScreenSaver; + bright = backlight ( ); + ODevice::inst ( ) -> setDisplayBrightness ( bright ); - saver-> setIntervals ( ); - QWSServer::setScreenSaver ( saver ); - saver-> restore ( ); + m_backlight_bright = bright; + } + private: + bool m_lcd_status; + int m_backlight_bright; + bool m_backlight_forcedoff; +}; - LoginWindowImpl *lw = new LoginWindowImpl ( ); - app-> setMainWidget ( lw ); - lw-> setGeometry ( 0, 0, app-> desktop ( )-> width ( ), app-> desktop ( )-> height ( )); - lw-> show ( ); - int rc = app-> exec ( ); +int login_main ( int argc, char **argv, pid_t ppid ) +{ + QWSServer::setDesktopBackground( QImage() ); + LoginApplication *app = new LoginApplication ( argc, argv, ppid ); + + app-> setFont ( QFont ( "Helvetica", 10 )); + app-> setStyle ( new QPEStyle ( )); + + if ( QWSServer::mouseHandler() && + QWSServer::mouseHandler()-> inherits("QCalibratedMouseHandler") ) + { + if ( !QFile::exists ( "/etc/pointercal" )) { + // Make sure calibration widget starts on top. + Calibrate *cal = new Calibrate; + cal-> exec ( ); + delete cal; + } + } + + LoginScreenSaver *saver = new LoginScreenSaver; - if ( app-> loginAs ( )) { - if ( app-> changeIdentity ( )) { - app-> login ( ); + saver-> setIntervals ( ); + QWSServer::setScreenSaver ( saver ); + saver-> restore ( ); - // if login succeeds, it never comes back + LoginWindowImpl *lw = new LoginWindowImpl ( ); + app-> setMainWidget ( lw ); + lw-> setGeometry ( 0, 0, app-> desktop ( )-> width ( ), + app-> desktop ( )-> height ( )); + lw-> show ( ); - QMessageBox::critical ( 0, LoginWindowImpl::tr( "Failure" ), LoginWindowImpl::tr( "Could not start Opie." )); - rc = 1; - } - else { - QMessageBox::critical ( 0, LoginWindowImpl::tr( "Failure" ), LoginWindowImpl::tr( "Could not switch to new user identity" )); - rc = 2; - } + int rc = app-> exec ( ); - } - return rc; + if ( app-> loginAs ( )) { + if ( app-> changeIdentity ( )) { + app-> login ( ); + // if login succeeds, it never comes back + QMessageBox::critical ( 0, LoginWindowImpl::tr( "Failure" ), + LoginWindowImpl::tr( "Could not start Opie." )); + rc = 1; + } + else { + QMessageBox::critical ( 0, LoginWindowImpl::tr( "Failure" ), + LoginWindowImpl::tr( "Could not switch to new user identity" )); + rc = 2; + } + } + return rc; } |