| -rw-r--r-- | core/opie-login/main.cpp | 48 |
1 files changed, 25 insertions, 23 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 @@ -11,353 +11,355 @@ .%`+i> _;_. .i_,=:_. -<s. This file is distributed in the hope that + . -:. = it will be useful, but WITHOUT ANY WARRANTY; : .. .:, . . . without even the implied warranty of =_ + =;=|` MERCHANTABILITY or FITNESS FOR A _.=:. : :=>`: PARTICULAR PURPOSE. See the GNU General ..}^=.= = ; Public License for more details. ++= -. .` .: : = ...= . :.=- You should have received a copy of the GNU -. .:....=;==+<; General Public License along with this file; -_. . . )=. = see the file COPYING. If not, write to the -- :-=` Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "loginapplication.h" #include "loginwindowimpl.h" #include "calibrate.h" /* OPIE */ #include <opie2/odevice.h> #include <qpe/qpestyle.h> #include <qpe/power.h> #include <qpe/config.h> /* QT */ #include <qwindowsystem_qws.h> #include <qmessagebox.h> #include <qlabel.h> #include <qtimer.h> #include <qfile.h> /* STD */ #include <sys/types.h> #include <time.h> #include <sys/time.h> #include <sys/resource.h> #include <unistd.h> #include <syslog.h> #include <sys/wait.h> #include <stdio.h> #include <stdlib.h> #include <signal.h> #include <getopt.h> #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 ( ); 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 ); + /*! + * @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 ); + 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 ) { } + 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; 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; 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 ); 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]; #else 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 ) { 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 ( )); } 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 )); } } } return 0; } void sigterm ( int /*sig*/ ) { ::exit ( 0 ); } void exit_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: + 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; } -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; } m_backlight_bright = bright; bright = backlight ( ); ODevice::inst ( ) -> setDisplayBrightness ( bright ); m_backlight_bright = bright; } private: bool m_lcd_status; - int m_backlight_bright; bool m_backlight_forcedoff; }; 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") ) { + 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; saver-> setIntervals ( ); QWSServer::setScreenSaver ( saver ); saver-> restore ( ); - LoginWindowImpl *lw = new LoginWindowImpl ( ); app-> setMainWidget ( lw ); - lw-> setGeometry ( 0, 0, app-> desktop ( )-> width ( ), app-> desktop ( )-> height ( )); + lw-> setGeometry ( 0, 0, app-> desktop ( )-> width ( ), + app-> desktop ( )-> height ( )); lw-> show ( ); int rc = app-> exec ( ); 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." )); + 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" )); + QMessageBox::critical ( 0, LoginWindowImpl::tr( "Failure" ), + LoginWindowImpl::tr( "Could not switch to new user identity" )); rc = 2; } - } return rc; } |