| -rw-r--r-- | core/opie-login/loginapplication.cpp | 5 | ||||
| -rw-r--r-- | core/opie-login/loginapplication.h | 5 | ||||
| -rw-r--r-- | core/opie-login/main.cpp | 11 |
3 files changed, 14 insertions, 7 deletions
diff --git a/core/opie-login/loginapplication.cpp b/core/opie-login/loginapplication.cpp index 103d63b..8d86a71 100644 --- a/core/opie-login/loginapplication.cpp +++ b/core/opie-login/loginapplication.cpp @@ -1,98 +1,99 @@ /* =. This file is part of the OPIE Project .=l. Copyright (c) 2002 Robert Griebl <sandman@handhelds.org> .>+-= _;:, .> :=|. This file is free software; you can .> <`_, > . <= redistribute it and/or modify it under :`=1 )Y*s>-.-- : the terms of the GNU General Public .="- .-=="i, .._ License as published by the Free Software - . .-<_> .<> Foundation; either version 2 of the License, ._= =} : or (at your option) any later version. .%`+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 <pwd.h> #include <grp.h> #include <unistd.h> #include <stdlib.h> #include <signal.h> #ifdef USEPAM extern "C" { #include <security/pam_appl.h> } #else #include <crypt.h> #include <shadow.h> #endif #include "loginapplication.h" LoginApplication *lApp; -LoginApplication::LoginApplication ( int &argc, char **argv ) +LoginApplication::LoginApplication ( int &argc, char **argv, pid_t parentpid ) : QPEApplication ( argc, argv, GuiServer ) { lApp = this; + m_parentpid = parentpid; } const char *LoginApplication::s_username = 0; #ifdef USEPAM const char *LoginApplication::s_pam_password = 0; int LoginApplication::pam_helper ( int num_msg, const struct pam_message **msg, struct pam_response **resp, void * ) { int replies = 0; struct pam_response *reply = 0; int size = sizeof( struct pam_response ); for ( int i = 0; i < num_msg; i++ ) { switch ( msg [i]-> msg_style ) { case PAM_PROMPT_ECHO_ON: // user name given to PAM already return PAM_CONV_ERR; case PAM_PROMPT_ECHO_OFF: // wants password reply = (struct pam_response *) ::realloc ( reply, size ); if ( !reply ) return PAM_CONV_ERR; size += sizeof( struct pam_response ); reply [replies]. resp_retcode = PAM_SUCCESS; reply [replies]. resp = ::strdup ( s_pam_password ); replies++; // PAM frees resp break; case PAM_TEXT_INFO: break; default: /* unknown or PAM_ERROR_MSG */ if ( reply ) ::free ( reply ); return PAM_CONV_ERR; } } if ( reply ) *resp = reply; return PAM_SUCCESS; } bool LoginApplication::checkPassword ( const char *user, const char *pass ) { @@ -171,50 +172,50 @@ bool LoginApplication::changeIdentity ( ) fail |= ( ::setenv ( "LOGNAME", pw-> pw_name, 1 )); fail |= ( ::setenv ( "PATH", ( pw-> pw_uid ? DEFAULT_LOGIN_PATH : DEFAULT_ROOT_LOGIN_PATH ), 1 )); return !fail; } bool LoginApplication::login ( ) { char *opie = ::getenv ( "OPIEDIR" ); char *arg = new char [::strlen ( opie ) + 8 + 1]; ::strcpy ( arg, opie ); ::strcat ( arg, "/bin/qpe" ); // start qpe via a login shell ::execl ( "/bin/sh", "-sh", "-c", arg, 0 ); return false; } const char *LoginApplication::loginAs ( ) { return s_username; } void LoginApplication::setLoginAs ( const char *name ) { s_username = name; } QStringList LoginApplication::allUsers ( ) { struct passwd *pwd; QStringList sl; while (( pwd = ::getpwent ( ))) { if (( pwd-> pw_uid == 0 ) || ( pwd-> pw_uid >= 500 && pwd-> pw_uid < 65534 )) sl << QString ( pwd-> pw_name ); } ::endpwent ( ); return sl; } void LoginApplication::quitToConsole ( ) { QPEApplication::quit ( ); - ::kill ( ::getppid ( ), SIGTERM ); + ::kill ( m_parentpid, SIGTERM ); } diff --git a/core/opie-login/loginapplication.h b/core/opie-login/loginapplication.h index 062c088..4e7cf79 100644 --- a/core/opie-login/loginapplication.h +++ b/core/opie-login/loginapplication.h @@ -1,67 +1,70 @@ /* =. This file is part of the OPIE Project .=l. Copyright (c) 2002 Robert Griebl <sandman@handhelds.org> .>+-= _;:, .> :=|. This file is free software; you can .> <`_, > . <= redistribute it and/or modify it under :`=1 )Y*s>-.-- : the terms of the GNU General Public .="- .-=="i, .._ License as published by the Free Software - . .-<_> .<> Foundation; either version 2 of the License, ._= =} : or (at your option) any later version. .%`+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. */ #ifndef __OPIE_LOGINAPPLICATION_H__ #define __OPIE_LOGINAPPLICATION_H__ #include <qstringlist.h> #include <qpe/qpeapplication.h> #ifdef USEPAM struct pam_message; struct pam_response; #endif class LoginApplication : public QPEApplication { public: - LoginApplication ( int &argc, char **argv ); + LoginApplication ( int &argc, char **argv, pid_t parentpid ); static bool checkPassword ( const char *user, const char *password ); static const char *loginAs ( ); static void setLoginAs ( const char *user ); static bool changeIdentity ( ); static bool login ( ); static QStringList allUsers ( ); void quitToConsole ( ); private: static const char *s_username; #ifdef USEPAM static int pam_helper ( int num_msg, const struct pam_message **msg, struct pam_response **resp, void * ); static const char *s_pam_password; #endif + +private: + pid_t m_parentpid; }; extern LoginApplication *lApp; #endif diff --git a/core/opie-login/main.cpp b/core/opie-login/main.cpp index 579a93a..674829d 100644 --- a/core/opie-login/main.cpp +++ b/core/opie-login/main.cpp @@ -15,108 +15,111 @@ =_ + =;=|` 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. */ #define _GNU_SOURCE #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> #include <qpe/qpeapplication.h> #include <qpe/qcopenvelope_qws.h> #include <qpe/qpestyle.h> #include <qpe/power.h> #include <qpe/config.h> #include <opie/odevice.h> #include <qwindowsystem_qws.h> #include <qmessagebox.h> #include <qlabel.h> #include <qtimer.h> #include <qfile.h> #include "loginapplication.h" #include "loginwindowimpl.h" #include "calibrate.h" using namespace Opie; -int login_main ( int argc, char **argv ); +int login_main ( int argc, char **argv, pid_t ppid ); void sigterm ( int sig ); void exit_closelog ( ); static struct option long_options [] = { { "autologin", 1, 0, 'a' }, { 0, 0, 0, 0 } }; int main ( int argc, char **argv ) { + pid_t ppid = ::getpid ( ); + + if ( ::geteuid ( ) != 0 ) { ::fprintf ( stderr, "%s can only be executed by root. (or chmod +s)", argv [0] ); return 1; } if ( ::getuid ( ) != 0 ) // qt doesn't really like SUID and ::setuid ( 0 ); // messes up things like config files char *autolog = 0; int c; while (( c = ::getopt_long ( argc, argv, "a:", long_options, 0 )) != -1 ) { switch ( c ) { case 'a': autolog = optarg; break; default: ::fprintf ( stderr, "Usage: %s [-a|--autologin=<user>]\n", argv [0] ); return 2; } } // struct rlimit rl; // ::getrlimit ( RLIMIT_NOFILE, &rl ); // for ( unsigned int i = 0; i < rl. rlim_cur; i++ ) // ::close ( i ); ::setpgid ( 0, 0 ); ::setsid ( ); ::signal ( SIGTERM, sigterm ); ::openlog ( "opie-login", LOG_CONS, LOG_AUTHPRIV ); ::atexit ( exit_closelog ); 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 ) { } if (( ::time ( 0 ) - started ) < 3 ) { @@ -138,97 +141,97 @@ int main ( int argc, char **argv ) case SIGKILL: break; default : killedbysig = WTERMSIG( status ); break; } } if ( killedbysig ) { // qpe was killed by an uncaught signal qApp = 0; QWSServer::setDesktopBackground ( QImage ( )); QApplication *app = new QApplication ( argc, argv, QApplication::GuiServer ); app-> setFont ( QFont ( "Helvetica", 10 )); app-> setStyle ( new QPEStyle ( )); const char *sig = ::strsignal ( killedbysig ); 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 ) { Config cfg ( "opie-login" ); cfg. setGroup ( "General" ); QString user = cfg. readEntry ( "AutoLogin" ); if ( !user. isEmpty ( )) autolog = ::strdup ( user. latin1 ( )); } if ( autolog ) { LoginApplication::setLoginAs ( autolog ); if ( LoginApplication::changeIdentity ( )) ::exit ( LoginApplication::login ( )); else ::exit ( 0 ); } else - ::exit ( login_main ( argc, argv )); + ::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; @@ -257,100 +260,100 @@ public: 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 ) +int login_main ( int argc, char **argv, pid_t ppid ) { QWSServer::setDesktopBackground( QImage() ); - LoginApplication *app = new LoginApplication ( argc, argv ); + LoginApplication *app = new LoginApplication ( argc, argv, ppid ); app-> setFont ( QFont ( "Helvetica", 10 )); app-> setStyle ( new QPEStyle ( )); ODevice::inst ( )-> setSoftSuspend ( true ); #if defined(QT_QWS_CASSIOPEIA) || defined(QT_QWS_IPAQ) || defined(QT_QWS_EBX) if ( !QFile::exists ( "/etc/pointercal" )) { // Make sure calibration widget starts on top. Calibrate *cal = new Calibrate; cal-> exec ( ); delete cal; } #endif 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-> show ( ); int rc = app-> exec ( ); ODevice::inst ( )-> setSoftSuspend ( false ); 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; } |