Diffstat (limited to 'core/opie-login/qdmdialogimpl.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | core/opie-login/qdmdialogimpl.cpp | 535 |
1 files changed, 0 insertions, 535 deletions
diff --git a/core/opie-login/qdmdialogimpl.cpp b/core/opie-login/qdmdialogimpl.cpp deleted file mode 100644 index 5d4cd49..0000000 --- a/core/opie-login/qdmdialogimpl.cpp +++ b/dev/null @@ -1,535 +0,0 @@ -/********************************************************************** -** Copyright (C) 2001 LISA Systems -** -** This file is an additional part of Qtopia Environment. -** -** This file may be distributed and/or modified under the terms of the -** GNU General Public License version 2 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. -** -** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE -** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. -** -** For further information contact info@lisa.de -** -**********************************************************************/ - -/* - * AUTHOR: Christian Rahn - * EMAIL: cdr@lisa.de - * - * $Id$ - */ - -#include "qdm_config.h" - -#ifdef QT_QWS_LOGIN - -#include <pwd.h> -#include <unistd.h> -#include <stdlib.h> -#include <iostream.h> -#include <assert.h> - -#include <qlabel.h> -#include <qregexp.h> -#include <qdatetime.h> -#include <qmessagebox.h> -#include <qcombobox.h> -#include <qlineedit.h> -#include <qtranslator.h> -#include <qpe/qpeapplication.h> - -#include <qwsdisplay_qws.h> - -#include <string.h> -#include <stdio.h> -#include <errno.h> -#include <unistd.h> - -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/sem.h> -#include <sys/shm.h> -#include <sys/ipc.h> - -#include <qpe/global.h> - -#if defined(QT_QWS_LOGIN_USEPAM) -extern "C" { -#include <security/pam_appl.h> -} -#else -#define _XOPEN_SOURCE -#include <unistd.h> -#include <crypt.h> -#endif - - -#include "qdmdialogimpl.h" -#include "../launcher/inputmethods.h" - - -//---------------------------------------------------------------------------- - -//-- taken from semctl man page -#if defined(__GNU_LIBRARY__) && !defined(_SEM_SEMUN_UNDEFINED) -//-- union semun is defined by including <sys/sem.h> -#else -//-- according to X/OPEN we have to define it ourselves -union semun { - int val; // value for SETVAL - struct semid_ds *buf; // buffer for IPC_STAT, IPC_SET - unsigned short int *array; // array for GETALL, SETALL - struct seminfo *__buf; // buffer for IPC_INFO -}; -#endif - -//---------------------------------------------------------------------------- - -static const int ShowClockFreq = 1; - -QDM_SHOWNUSERS; - -#ifdef QT_QWS_LOGIN_USEPAM - -static const char *_PAM_SERVICE = "xdm"; -static const char *PAM_password; - -typedef const struct pam_message pam_message_type; - -static int PAM_conv( int, pam_message_type **, struct pam_response **, void * ); - -static struct pam_conv PAM_conversation = { - &PAM_conv, - NULL -}; - -//---------------------------------------------------------------------------- - -static char *COPY_STRING( const char * s ) { - return (s) ? strdup(s) : (char *)NULL; -} - -#define GET_MEM if (reply) realloc(reply, size);\ - else reply = (struct pam_response *)malloc(size); \ - if (!reply) return PAM_CONV_ERR; \ - size += sizeof(struct pam_response) - - -static int PAM_conv( int num_msg, pam_message_type **msg, - struct pam_response **resp, void *) -{ - int count = 0, replies = 0; - struct pam_response *reply = NULL; - int size = sizeof(struct pam_response); - - for( count = 0; count < num_msg; count++ ) { - switch (msg[count]->msg_style) { - case PAM_PROMPT_ECHO_ON: - /* user name given to PAM already */ - return PAM_CONV_ERR; - - case PAM_PROMPT_ECHO_OFF: - /* wants password */ - GET_MEM; - reply[replies].resp_retcode = PAM_SUCCESS; - reply[replies].resp = COPY_STRING(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; -} - -#endif - - -//---------------------------------------------------------------------------- - -QDMDialogImpl::QDMDialogImpl( QWidget* parent, const char* name, bool modal, WFlags f ) - : QDMDialog( parent, name, modal, f ) -{ - showTime(); - clockTimer = startTimer( ShowClockFreq * 1000 ); //-- call timer evry min. - setActiveWindow(); - setFocus(); - - input = new InputMethods( this ); - input->resize( input->sizeHint() ); - input->move( 0, height() - input->height() ); - - for( int i=0; Shown_Users[i]; ++i ) { - input_user->insertItem( Shown_Users[i] ); - } - input_user->clearEdit(); - - label_welcome->setText( QDM_WELCOME_STRING ); - -}; - - - -QDMDialogImpl::~QDMDialogImpl() -{ - input->lower(); - input->close( false ); - input->hide(); - delete input; - input = 0; - if( parent() ) { - ((QWidget*)parent())->repaint(true); - } -}; - - -void QDMDialogImpl::accept () { }; -void QDMDialogImpl::reject () { }; - - -void QDMDialogImpl::showTime( void ) -{ - label_date->setText( QDate::currentDate().toString() ); - label_time->setText( QTime::currentTime().toString() ); -} - - -void QDMDialogImpl::timerEvent( QTimerEvent * e ) -{ - if( e->timerId() == clockTimer ) - showTime(); -} - - -//---------------------------------------------------------------------------- - -void QDMDialogImpl::slot_sleepmode() -{ - const int button = QMessageBox::warning( this, "Shutdown", tr( "Do you really want to go\nto sleep mode now?" ), - QString::null, tr( "Cancel" ), QString::null,0,1 ); - switch( button ) { - case 0: - done( Rejected ); - // Global::execute( cmd_shutdown ); - if( vfork() == 0 ) { - execl( QDM_CMD_SLEEP, 0 ); - cerr << "Sleepmode: " << strerror( errno ) << endl; - } - break; - - default: - break; - } -} - - -//---------------------------------------------------------------------------- - -void QDMDialogImpl::slot_shutdown() -{ - const int button = QMessageBox::warning( this, "Shutdown", tr("Do you really want to shut\nthe system down now?"), - QString::null, tr("Cancel"), QString::null,0,1 ); - switch( button ) { - case 0: - done( Rejected ); - // Global::execute( cmd_shutdown ); - if( vfork() == 0 ) { - execl( QDM_CMD_SHUTDOWN, 0 ); - cerr << "Shutdown: " << strerror( errno ) << endl; - } - break; - - default: - break; - } -} - - - - -//---------------------------------------------------------------------------- - -void QDMDialogImpl::informBadPassword() -{ - QMessageBox::warning( this, tr("Password wrong"), - tr("The given password is incorrect") ); -} - - -//---------------------------------------------------------------------------- - -#if defined(QT_QWS_LOGIN_USEPAM) - -static bool pwcheck_PAM( const char *user, const char *password ) -{ - bool pw_correct = false; - int pam_error; - int pam_return = 0; - pam_handle_t *pamh = 0; - PAM_password = password.latin1(); - - pam_error = pam_start( _PAM_SERVICE, user, &PAM_conversation, &pamh ); - if( pam_error == PAM_SUCCESS ) { - pam_error = pam_authenticate( pamh, 0 ); - if( pam_error == PAM_SUCCESS ) { - //-- password correct - pw_correct = true; - pam_return = PAM_SUCCESS; - } else { - pam_return = pam_error; - } - } else { - // cerr << "PAM error: " << pam_strerror( pamh, pam_error ) << endl; - } - pam_end( pamh, pam_return ); - return pw_correct; -} - -#else - -//---------------------------------------------------------------------------- - -static bool pwcheck_Unix( const char *user, const char *password ) -{ - struct passwd * pword = getpwnam( user ); - if( pword ) { - if( strcmp( crypt(password, password), pword->pw_passwd) == 0 ) { - return true; - } - } - return false; -} - -#endif - - - -//---------------------------------------------------------------------------- - -void QDMDialogImpl::slot_login() -{ - bool pw_correct = false; - const char *username = input_user->currentText().latin1(); - const char *password = input_password->text().latin1(); - - assert( username ); - -#if defined(QT_QWS_LOGIN_USEPAM) - pw_correct = pwcheck_PAM( username, password ); -#else - pw_correct = pwcheck_Unix( username, password ); -#endif - - if( pw_correct ) { - if( changePersona( username ) ) { - // cerr << "Password correct" << endl; - done( Accepted ); - return; - } - } else { - // cerr << "Password incorrect" << endl; - } - informBadPassword(); -} - - -//---------------------------------------------------------------------------- - -bool QDMDialogImpl::changePersona( const char *username ) -{ - int err; - - //-- get some info on user <username> - struct passwd * pword; - pword = getpwnam( username ); - - if( pword == 0 ) - return false; - - gid_t gid = pword->pw_gid; - uid_t uid = pword->pw_uid; - - //-- some very dirty hacks following - // extern int qws_display_id; - extern QString qws_qtePipeFilename(); - extern QString qws_dataDir(); - - - const QString QTEdataDir = qws_dataDir(); - QString QTEdataDirNew = QTEdataDir; - QTEdataDirNew.replace( QRegExp("root"), username ); - - const char *qws_display_str = getenv("QWS_DISPLAY"); - - //-- get name of semaphore and lock - QString pipe = qws_qtePipeFilename(); - - //-- change owner of semaphore - key_t semkey = ftok( pipe.latin1(), 'd' ); - int semid = semget( semkey, 0, 0 ); - if( semid < 0 ) - cerr << "error: semget, " << strerror( errno ) << endl; - - struct shmid_ds shminfo; - semun arg; - semid_ds semidds; - arg.buf = & semidds; - - if( semctl( semid, 0, IPC_STAT, arg ) < 0 ) - cerr << "error: semctl stat, " << strerror( errno ) << endl; - - arg.buf->sem_perm.uid = uid; - arg.buf->sem_perm.gid = gid; - - if( semctl( semid, 0, IPC_SET, arg ) < 0 ) - cerr << "error: semctl set, " << strerror( errno ) << endl; - - //-- change owner of shared memory - key_t memkey = ftok( pipe.latin1(), 'm' ); - int ramid = shmget( memkey, 0, 0 ); - if( ramid < 0 ) cerr << "error: shmget, " << strerror( errno ) << endl; - - if( shmctl( ramid, IPC_STAT, &shminfo ) < 0 ) - cerr << "error: shmctl stat, " << strerror( errno ) << endl; - - shminfo.shm_perm.uid = uid; - shminfo.shm_perm.gid = gid; - - if( shmctl( ramid, IPC_SET, &shminfo ) < 0 ) - cerr << "error: shmctl set, " << strerror( errno ) << endl; - - //-- change owner of region manager - memkey = ftok( pipe.latin1(), 'r' ); - int regionid = shmget( memkey, 0, 0 ); - if( regionid < 0 ) - cerr << "error: shmget, " << strerror( errno ) << endl; - - if( shmctl( regionid, IPC_STAT, &shminfo ) < 0 ) - cerr << "error: shmctl stat, " << strerror( errno ) << endl; - - shminfo.shm_perm.uid = uid; - shminfo.shm_perm.gid = gid; - - if( shmctl( regionid, IPC_SET, &shminfo ) < 0 ) - cerr << "error: shmctl set, " << strerror( errno ) << endl; - - // cerr << "ungrabbing qws display: " << qws_display_id << " on lock " << pipe << endl; - // QWSDisplay::ungrab(); - - //-- presenting socket-file to new user - chown( pipe.latin1(), uid, gid ); - chown( QTEdataDir.latin1(), uid, gid ); - - - //-- another dirty hack - force framebuffer to be writeable... - struct stat devstat; - if( ! stat( "/dev/fb0", &devstat ) ) { - if( chmod( "/dev/fb0", devstat.st_mode |S_IWOTH |S_IWUSR |S_IWGRP ) ) { - cerr << "chmod error: " << strerror( errno ) << endl; - } - } - - err = rename( QTEdataDir, QTEdataDirNew ) ; - if( err < 0 ) cerr << "error: rename " << strerror(errno) - << " , " << QTEdataDir << " -> " << QTEdataDirNew << endl; - - // - //-- actually change uid and gid - // - // cerr << "changing persona, uid: " << uid << " gid: " << gid << endl; - - err = setgid( gid ); - if( err != 0 ) cerr << "error: gid changePersona " << err << endl; - - err = setuid( uid ); - if( err != 0 ) cerr << "error: uid changePersona " << err << endl; - - - //-- set some environment - setenv( "QWS_DISPLAY", qws_display_str, true ); - setenv( "LOGNAME", username, true ); - setenv( "USER", username, true ); - setenv( "HOME", pword->pw_dir, true ); - - // cout << "QTE data dir: " << qws_dataDir() << endl; - - //-- I am reborn - - return true; -} - - - -//---------------------------------------------------------------------------- - -bool QDMDialogImpl::login( QWidget *parent ) -{ - //-- only when called as 'root' do login-box - if( getuid() != 0 ) - return true; - - - //-- are we coming from a 'restart' ? - if( getenv("QDM_STARTED") ) - return true; - else - unsetenv("QDM_STARTED"); - - -#ifndef QT_NO_TRANSLATION - QString lang = getenv( "LANG" ); - - QTranslator * trans = new QTranslator(qApp); - QString tfn = QPEApplication::qpeDir()+"/i18n/"+lang+"/login.qm"; - if ( trans->load( tfn )) - qApp->installTranslator( trans ); - else { - delete trans; - trans = 0; - } -#endif - - if( parent ) parent->erase(); - - QDMDialog *dialog = new QDMDialogImpl( parent, "Login", true //); - ,WStyle_NoBorder | WStyle_Customize ); - -#if QT_VERSION >= 300 - Q_CHECK_PTR( dialog ); -#else - CHECK_PTR( dialog ); -#endif - int result = dialog->exec(); - delete dialog; - - if( parent ) parent->erase(); - -#ifndef QT_NO_TRANSLATION - if( trans ) { - qApp->removeTranslator( trans ); - delete trans; - trans = 0; - } -#endif - - setenv( "QDM_STARTED", "", true ); - - // if( parent ) parent->erase(); - - //-- get all configs going - Global::restart(); - - return result; -} - - -#endif //-- QT_QWS_LOGIN |