diff options
Diffstat (limited to 'kdesktop/lock/lockdlg.cc')
| -rw-r--r-- | kdesktop/lock/lockdlg.cc | 720 |
1 files changed, 720 insertions, 0 deletions
diff --git a/kdesktop/lock/lockdlg.cc b/kdesktop/lock/lockdlg.cc new file mode 100644 index 000000000..8006cf29d --- /dev/null +++ b/kdesktop/lock/lockdlg.cc @@ -0,0 +1,720 @@ +//=========================================================================== +// +// This file is part of the KDE project +// +// Copyright (c) 1999 Martin R. Jones <mjones@kde.org> +// Copyright (c) 2003 Chris Howells <howells@kde.org> +// Copyright (c) 2003 Oswald Buddenhagen <ossi@kde.org> + +#include <config.h> + +#include "lockprocess.h" +#include "lockdlg.h" + +#include <kcheckpass.h> +#include <dmctl.h> + +#include <kapplication.h> +#include <klocale.h> +#include <kpushbutton.h> +#include <kseparator.h> +#include <kstandarddirs.h> +#include <kglobalsettings.h> +#include <kconfig.h> +#include <kiconloader.h> +#include <kdesu/defaults.h> +#include <kpassdlg.h> +#include <kdebug.h> +#include <kuser.h> +#include <dcopref.h> +#include <kmessagebox.h> + +#include <qlayout.h> +#include <qpushbutton.h> +#include <qmessagebox.h> +#include <qsimplerichtext.h> +#include <qlabel.h> +#include <qstringlist.h> +#include <qfontmetrics.h> +#include <qstyle.h> +#include <qapplication.h> +#include <qlistview.h> +#include <qheader.h> +#include <qcheckbox.h> + +#include <ctype.h> +#include <unistd.h> +#include <stdlib.h> +#include <errno.h> +#include <pwd.h> +#include <sys/types.h> +#include <sys/socket.h> + +#include <X11/Xutil.h> +#include <X11/keysym.h> +#include <fixx11h.h> + +#ifndef AF_LOCAL +# define AF_LOCAL AF_UNIX +#endif + +#define PASSDLG_HIDE_TIMEOUT 10000 + +//=========================================================================== +// +// Simple dialog for entering a password. +// +PasswordDlg::PasswordDlg(LockProcess *parent, GreeterPluginHandle *plugin) + : QDialog(parent, "password dialog", true, WX11BypassWM), + mPlugin( plugin ), + mCapsLocked(-1), + mUnlockingFailed(false) +{ + frame = new QFrame( this ); + frame->setFrameStyle( QFrame::Panel | QFrame::Raised ); + frame->setLineWidth( 2 ); + + QLabel *pixLabel = new QLabel( frame, "pixlabel" ); + pixLabel->setPixmap(DesktopIcon("lock")); + + KUser user; + QLabel *greetLabel = new QLabel( user.fullName().isEmpty() ? + i18n("<nobr><b>The session is locked</b><br>") : + i18n("<nobr><b>The session was locked by %1</b><br>").arg( user.fullName() ), frame ); + + mStatusLabel = new QLabel( "<b> </b>", frame ); + mStatusLabel->setAlignment( QLabel::AlignCenter ); + + mLayoutButton = new QPushButton( frame ); + mLayoutButton->setFlat( true ); + + KSeparator *sep = new KSeparator( KSeparator::HLine, frame ); + + mNewSessButton = new KPushButton( KGuiItem(i18n("Sw&itch User..."), "fork"), frame ); + ok = new KPushButton( i18n("Unl&ock"), frame ); + cancel = new KPushButton( KStdGuiItem::cancel(), frame ); + + greet = plugin->info->create( this, 0, this, mLayoutButton, QString::null, + KGreeterPlugin::Authenticate, KGreeterPlugin::ExUnlock ); + + + QVBoxLayout *unlockDialogLayout = new QVBoxLayout( this ); + unlockDialogLayout->addWidget( frame ); + + QHBoxLayout *layStatus = new QHBoxLayout( 0, 0, KDialog::spacingHint()); + layStatus->addWidget( mStatusLabel ); + layStatus->addWidget( mLayoutButton ); + + QHBoxLayout *layButtons = new QHBoxLayout( 0, 0, KDialog::spacingHint()); + layButtons->addWidget( mNewSessButton ); + layButtons->addStretch(); + layButtons->addWidget( ok ); + layButtons->addWidget( cancel ); + + frameLayout = new QGridLayout( frame, 1, 1, KDialog::marginHint(), KDialog::spacingHint() ); + frameLayout->addMultiCellWidget( pixLabel, 0, 2, 0, 0, AlignTop ); + frameLayout->addWidget( greetLabel, 0, 1 ); + frameLayout->addItem( greet->getLayoutItem(), 1, 1 ); + frameLayout->addLayout( layStatus, 2, 1 ); + frameLayout->addMultiCellWidget( sep, 3, 3, 0, 1 ); + frameLayout->addMultiCellLayout( layButtons, 4, 4, 0, 1 ); + + setTabOrder( ok, cancel ); + setTabOrder( cancel, mNewSessButton ); + setTabOrder( mNewSessButton, mLayoutButton ); + + connect(mLayoutButton, SIGNAL(clicked()), this, SLOT(layoutClicked())); + connect(cancel, SIGNAL(clicked()), SLOT(reject())); + connect(ok, SIGNAL(clicked()), SLOT(slotOK())); + connect(mNewSessButton, SIGNAL(clicked()), SLOT(slotSwitchUser())); + + if (!DM().isSwitchable() || !kapp->authorize("switch_user")) + mNewSessButton->hide(); + + installEventFilter(this); + + mFailedTimerId = 0; + mTimeoutTimerId = startTimer(PASSDLG_HIDE_TIMEOUT); + connect(qApp, SIGNAL(activity()), SLOT(slotActivity()) ); + + greet->start(); + + DCOPRef kxkb("kxkb", "kxkb"); + if( !kxkb.isNull() ) { + layoutsList = kxkb.call("getLayoutsList"); + QString currentLayout = kxkb.call("getCurrentLayout"); + if( !currentLayout.isEmpty() && layoutsList.count() > 1 ) { + currLayout = layoutsList.find(currentLayout); + if (currLayout == layoutsList.end()) + setLayoutText("err"); + else + setLayoutText(*currLayout); + } else + mLayoutButton->hide(); + } else { + mLayoutButton->hide(); // no kxkb running + } + capsLocked(); +} + +PasswordDlg::~PasswordDlg() +{ + hide(); + frameLayout->removeItem( greet->getLayoutItem() ); + delete greet; +} + +void PasswordDlg::layoutClicked() +{ + + if( ++currLayout == layoutsList.end() ) + currLayout = layoutsList.begin(); + + DCOPRef kxkb("kxkb", "kxkb"); + setLayoutText( kxkb.call("setLayout", *currLayout) ? *currLayout : "err" ); + +} + +void PasswordDlg::setLayoutText( const QString &txt ) +{ + mLayoutButton->setText( txt ); + QSize sz = mLayoutButton->fontMetrics().size( 0, txt ); + int mrg = mLayoutButton->style().pixelMetric( QStyle::PM_ButtonMargin ) * 2; + mLayoutButton->setFixedSize( sz.width() + mrg, sz.height() + mrg ); +} + +void PasswordDlg::updateLabel() +{ + if (mUnlockingFailed) + { + mStatusLabel->setPaletteForegroundColor(Qt::black); + mStatusLabel->setText(i18n("<b>Unlocking failed</b>")); + } + else + if (mCapsLocked) + { + mStatusLabel->setPaletteForegroundColor(Qt::red); + mStatusLabel->setText(i18n("<b>Warning: Caps Lock on</b>")); + } + else + { + mStatusLabel->setText("<b> </b>"); + } +} + +//--------------------------------------------------------------------------- +// +// Handle timer events. +// +void PasswordDlg::timerEvent(QTimerEvent *ev) +{ + if (ev->timerId() == mTimeoutTimerId) + { + reject(); + } + else if (ev->timerId() == mFailedTimerId) + { + killTimer(mFailedTimerId); + mFailedTimerId = 0; + // Show the normal password prompt. + mUnlockingFailed = false; + updateLabel(); + ok->setEnabled(true); + cancel->setEnabled(true); + mNewSessButton->setEnabled( true ); + greet->revive(); + greet->start(); + } +} + +bool PasswordDlg::eventFilter(QObject *, QEvent *ev) +{ + if (ev->type() == QEvent::KeyPress || ev->type() == QEvent::KeyRelease) + capsLocked(); + return false; +} + +void PasswordDlg::slotActivity() +{ + if (mTimeoutTimerId) { + killTimer(mTimeoutTimerId); + mTimeoutTimerId = startTimer(PASSDLG_HIDE_TIMEOUT); + } +} + +////// kckeckpass interface code + +int PasswordDlg::Reader (void *buf, int count) +{ + int ret, rlen; + + for (rlen = 0; rlen < count; ) { + dord: + ret = ::read (sFd, (void *)((char *)buf + rlen), count - rlen); + if (ret < 0) { + if (errno == EINTR) + goto dord; + if (errno == EAGAIN) + break; + return -1; + } + if (!ret) + break; + rlen += ret; + } + return rlen; +} + +bool PasswordDlg::GRead (void *buf, int count) +{ + return Reader (buf, count) == count; +} + +bool PasswordDlg::GWrite (const void *buf, int count) +{ + return ::write (sFd, buf, count) == count; +} + +bool PasswordDlg::GSendInt (int val) +{ + return GWrite (&val, sizeof(val)); +} + +bool PasswordDlg::GSendStr (const char *buf) +{ + int len = buf ? ::strlen (buf) + 1 : 0; + return GWrite (&len, sizeof(len)) && GWrite (buf, len); +} + +bool PasswordDlg::GSendArr (int len, const char *buf) +{ + return GWrite (&len, sizeof(len)) && GWrite (buf, len); +} + +bool PasswordDlg::GRecvInt (int *val) +{ + return GRead (val, sizeof(*val)); +} + +bool PasswordDlg::GRecvArr (char **ret) +{ + int len; + char *buf; + + if (!GRecvInt(&len)) + return false; + if (!len) { + *ret = 0; + return true; + } + if (!(buf = (char *)::malloc (len))) + return false; + *ret = buf; + return GRead (buf, len); +} + +void PasswordDlg::reapVerify() +{ + ::close( sFd ); + int status; + ::waitpid( sPid, &status, 0 ); + if (WIFEXITED(status)) + switch (WEXITSTATUS(status)) { + case AuthOk: + greet->succeeded(); + accept(); + return; + case AuthBad: + greet->failed(); + mUnlockingFailed = true; + updateLabel(); + mFailedTimerId = startTimer(1500); + ok->setEnabled(false); + cancel->setEnabled(false); + mNewSessButton->setEnabled( false ); + return; + case AuthAbort: + return; + } + cantCheck(); +} + +void PasswordDlg::handleVerify() +{ + int ret; + char *arr; + + while (GRecvInt( &ret )) { + switch (ret) { + case ConvGetBinary: + if (!GRecvArr( &arr )) + break; + greet->binaryPrompt( arr, false ); + if (arr) + ::free( arr ); + return; + case ConvGetNormal: + if (!GRecvArr( &arr )) + break; + greet->textPrompt( arr, true, false ); + if (arr) + ::free( arr ); + return; + case ConvGetHidden: + if (!GRecvArr( &arr )) + break; + greet->textPrompt( arr, false, false ); + if (arr) + ::free( arr ); + return; + case ConvPutInfo: + if (!GRecvArr( &arr )) + break; + if (!greet->textMessage( arr, false )) + static_cast< LockProcess* >(parent())->msgBox( QMessageBox::Information, QString::fromLocal8Bit( arr ) ); + ::free( arr ); + continue; + case ConvPutError: + if (!GRecvArr( &arr )) + break; + if (!greet->textMessage( arr, true )) + static_cast< LockProcess* >(parent())->msgBox( QMessageBox::Warning, QString::fromLocal8Bit( arr ) ); + ::free( arr ); + continue; + } + break; + } + reapVerify(); +} + +////// greeter plugin callbacks + +void PasswordDlg::gplugReturnText( const char *text, int tag ) +{ + GSendStr( text ); + if (text) + GSendInt( tag ); + handleVerify(); +} + +void PasswordDlg::gplugReturnBinary( const char *data ) +{ + if (data) { + unsigned const char *up = (unsigned const char *)data; + int len = up[3] | (up[2] << 8) | (up[1] << 16) | (up[0] << 24); + if (!len) + GSendArr( 4, data ); + else + GSendArr( len, data ); + } else + GSendArr( 0, 0 ); + handleVerify(); +} + +void PasswordDlg::gplugSetUser( const QString & ) +{ + // ignore ... +} + +void PasswordDlg::cantCheck() +{ + greet->failed(); + static_cast< LockProcess* >(parent())->msgBox( QMessageBox::Critical, + i18n("Cannot unlock the session because the authentication system failed to work;\n" + "you must kill kdesktop_lock (pid %1) manually.").arg(getpid()) ); + greet->revive(); +} + +//--------------------------------------------------------------------------- +// +// Starts the kcheckpass process to check the user's password. +// +void PasswordDlg::gplugStart() +{ + int sfd[2]; + char fdbuf[16]; + + if (::socketpair(AF_LOCAL, SOCK_STREAM, 0, sfd)) { + cantCheck(); + return; + } + if ((sPid = ::fork()) < 0) { + ::close(sfd[0]); + ::close(sfd[1]); + cantCheck(); + return; + } + if (!sPid) { + ::close(sfd[0]); + sprintf(fdbuf, "%d", sfd[1]); + execlp("kcheckpass", "kcheckpass", +#ifdef HAVE_PAM + "-c", KSCREENSAVER_PAM_SERVICE, +#endif + "-m", mPlugin->info->method, + "-S", fdbuf, + (char *)0); + exit(20); + } + ::close(sfd[1]); + sFd = sfd[0]; + handleVerify(); +} + +void PasswordDlg::gplugActivity() +{ + slotActivity(); +} + +void PasswordDlg::gplugMsgBox( QMessageBox::Icon type, const QString &text ) +{ + QDialog dialog( this, 0, true, WX11BypassWM ); + QFrame *winFrame = new QFrame( &dialog ); + winFrame->setFrameStyle( QFrame::WinPanel | QFrame::Raised ); + winFrame->setLineWidth( 2 ); + QVBoxLayout *vbox = new QVBoxLayout( &dialog ); + vbox->addWidget( winFrame ); + + QLabel *label1 = new QLabel( winFrame ); + label1->setPixmap( QMessageBox::standardIcon( type ) ); + QLabel *label2 = new QLabel( text, winFrame ); + KPushButton *button = new KPushButton( KStdGuiItem::ok(), winFrame ); + button->setDefault( true ); + button->setSizePolicy( QSizePolicy( QSizePolicy::Preferred, QSizePolicy::Preferred ) ); + connect( button, SIGNAL( clicked() ), SLOT( accept() ) ); + + QGridLayout *grid = new QGridLayout( winFrame, 2, 2, 10 ); + grid->addWidget( label1, 0, 0, Qt::AlignCenter ); + grid->addWidget( label2, 0, 1, Qt::AlignCenter ); + grid->addMultiCellWidget( button, 1,1, 0,1, Qt::AlignCenter ); + + static_cast< LockProcess* >(parent())->execDialog( &dialog ); +} + +void PasswordDlg::slotOK() +{ + greet->next(); +} + + +void PasswordDlg::show() +{ + QDialog::show(); + QApplication::flushX(); +} + +void PasswordDlg::slotStartNewSession() +{ + if (!KMessageBox::shouldBeShownContinue( ":confirmNewSession" )) { + DM().startReserve(); + return; + } + + killTimer(mTimeoutTimerId); + mTimeoutTimerId = 0; + + QDialog *dialog = new QDialog( this, "warnbox", true, WX11BypassWM ); + QFrame *winFrame = new QFrame( dialog ); + winFrame->setFrameStyle( QFrame::WinPanel | QFrame::Raised ); + winFrame->setLineWidth( 2 ); + QVBoxLayout *vbox = new QVBoxLayout( dialog ); + vbox->addWidget( winFrame ); + + QLabel *label1 = new QLabel( winFrame ); + label1->setPixmap( QMessageBox::standardIcon( QMessageBox::Warning ) ); + QString qt_text = + i18n("You have chosen to open another desktop session " + "instead of resuming the current one.<br>" + "The current session will be hidden " + "and a new login screen will be displayed.<br>" + "An F-key is assigned to each session; " + "F%1 is usually assigned to the first session, " + "F%2 to the second session and so on. " + "You can switch between sessions by pressing " + "Ctrl, Alt and the appropriate F-key at the same time. " + "Additionally, the KDE Panel and Desktop menus have " + "actions for switching between sessions.") + .arg(7).arg(8); + QLabel *label2 = new QLabel( qt_text, winFrame ); + KPushButton *okbutton = new KPushButton( KGuiItem(i18n("&Start New Session"), "fork"), winFrame ); + okbutton->setDefault( true ); + connect( okbutton, SIGNAL( clicked() ), dialog, SLOT( accept() ) ); + KPushButton *cbutton = new KPushButton( KStdGuiItem::cancel(), winFrame ); + connect( cbutton, SIGNAL( clicked() ), dialog, SLOT( reject() ) ); + + QBoxLayout *mbox = new QVBoxLayout( winFrame, KDialog::marginHint(), KDialog::spacingHint() ); + + QGridLayout *grid = new QGridLayout( mbox, 2, 2, 2 * KDialog::spacingHint() ); + grid->setMargin( KDialog::marginHint() ); + grid->addWidget( label1, 0, 0, Qt::AlignCenter ); + grid->addWidget( label2, 0, 1, Qt::AlignCenter ); + QCheckBox *cb = new QCheckBox( i18n("&Do not ask again"), winFrame ); + grid->addMultiCellWidget( cb, 1,1, 0,1 ); + + QBoxLayout *hbox = new QHBoxLayout( mbox, KDialog::spacingHint() ); + hbox->addStretch( 1 ); + hbox->addWidget( okbutton ); + hbox->addStretch( 1 ); + hbox->addWidget( cbutton ); + hbox->addStretch( 1 ); + + // stolen from kmessagebox + int pref_width = 0; + int pref_height = 0; + // Calculate a proper size for the text. + { + QSimpleRichText rt(qt_text, dialog->font()); + QRect rect = KGlobalSettings::desktopGeometry(dialog); + + pref_width = rect.width() / 3; + rt.setWidth(pref_width); + int used_width = rt.widthUsed(); + pref_height = rt.height(); + if (used_width <= pref_width) + { + while(true) + { + int new_width = (used_width * 9) / 10; + rt.setWidth(new_width); + int new_height = rt.height(); + if (new_height > pref_height) + break; + used_width = rt.widthUsed(); + if (used_width > new_width) + break; + } + pref_width = used_width; + } + else + { + if (used_width > (pref_width *2)) + pref_width = pref_width *2; + else + pref_width = used_width; + } + } + label2->setFixedSize(QSize(pref_width+10, pref_height)); + + int ret = static_cast< LockProcess* >( parent())->execDialog( dialog ); + + delete dialog; + + if (ret == QDialog::Accepted) { + if (cb->isChecked()) + KMessageBox::saveDontShowAgainContinue( ":confirmNewSession" ); + DM().startReserve(); + } + + mTimeoutTimerId = startTimer(PASSDLG_HIDE_TIMEOUT); +} + +class LockListViewItem : public QListViewItem { +public: + LockListViewItem( QListView *parent, + const QString &sess, const QString &loc, int _vt ) + : QListViewItem( parent ) + , vt( _vt ) + { + setText( 0, sess ); + setText( 1, loc ); + } + + int vt; +}; + +void PasswordDlg::slotSwitchUser() +{ + int p = 0; + DM dm; + + QDialog dialog( this, "sessbox", true, WX11BypassWM ); + QFrame *winFrame = new QFrame( &dialog ); + winFrame->setFrameStyle( QFrame::WinPanel | QFrame::Raised ); + winFrame->setLineWidth( 2 ); + QBoxLayout *vbox = new QVBoxLayout( &dialog ); + vbox->addWidget( winFrame ); + + QBoxLayout *hbox = new QHBoxLayout( winFrame, KDialog::marginHint(), KDialog::spacingHint() ); + + QBoxLayout *vbox1 = new QVBoxLayout( hbox, KDialog::spacingHint() ); + QBoxLayout *vbox2 = new QVBoxLayout( hbox, KDialog::spacingHint() ); + + KPushButton *btn; + + SessList sess; + if (dm.localSessions( sess )) { + + lv = new QListView( winFrame ); + connect( lv, SIGNAL(doubleClicked(QListViewItem *, const QPoint&, int)), SLOT(slotSessionActivated()) ); + connect( lv, SIGNAL(doubleClicked(QListViewItem *, const QPoint&, int)), &dialog, SLOT(reject()) ); + lv->setAllColumnsShowFocus( true ); + lv->addColumn( i18n("Session") ); + lv->addColumn( i18n("Location") ); + lv->setColumnWidthMode( 0, QListView::Maximum ); + lv->setColumnWidthMode( 1, QListView::Maximum ); + QListViewItem *itm = 0; + QString user, loc; + int ns = 0; + for (SessList::ConstIterator it = sess.begin(); it != sess.end(); ++it) { + DM::sess2Str2( *it, user, loc ); + itm = new LockListViewItem( lv, user, loc, (*it).vt ); + if (!(*it).vt) + itm->setEnabled( false ); + if ((*it).self) { + lv->setCurrentItem( itm ); + itm->setSelected( true ); + } + ns++; + } + int fw = lv->frameWidth() * 2; + QSize hds( lv->header()->sizeHint() ); + lv->setMinimumWidth( fw + hds.width() + + (ns > 10 ? style().pixelMetric(QStyle::PM_ScrollBarExtent) : 0 ) ); + lv->setFixedHeight( fw + hds.height() + + itm->height() * (ns < 6 ? 6 : ns > 10 ? 10 : ns) ); + lv->header()->adjustHeaderSize(); + vbox1->addWidget( lv ); + + btn = new KPushButton( KGuiItem(i18n("session", "&Activate"), "fork"), winFrame ); + connect( btn, SIGNAL(clicked()), SLOT(slotSessionActivated()) ); + connect( btn, SIGNAL(clicked()), &dialog, SLOT(reject()) ); + vbox2->addWidget( btn ); + vbox2->addStretch( 2 ); + } + + if (kapp->authorize("start_new_session") && (p = dm.numReserve()) >= 0) + { + btn = new KPushButton( KGuiItem(i18n("Start &New Session"), "fork"), winFrame ); + connect( btn, SIGNAL(clicked()), SLOT(slotStartNewSession()) ); + connect( btn, SIGNAL(clicked()), &dialog, SLOT(reject()) ); + if (!p) + btn->setEnabled( false ); + vbox2->addWidget( btn ); + vbox2->addStretch( 1 ); + } + + btn = new KPushButton( KStdGuiItem::cancel(), winFrame ); + connect( btn, SIGNAL(clicked()), &dialog, SLOT(reject()) ); + vbox2->addWidget( btn ); + + static_cast< LockProcess* >(parent())->execDialog( &dialog ); +} + +void PasswordDlg::slotSessionActivated() +{ + LockListViewItem *itm = (LockListViewItem *)lv->currentItem(); + if (itm && itm->vt > 0) + DM().switchVT( itm->vt ); +} + +void PasswordDlg::capsLocked() +{ + unsigned int lmask; + Window dummy1, dummy2; + int dummy3, dummy4, dummy5, dummy6; + XQueryPointer(qt_xdisplay(), DefaultRootWindow( qt_xdisplay() ), &dummy1, &dummy2, &dummy3, &dummy4, &dummy5, &dummy6, &lmask); + mCapsLocked = lmask & LockMask; + updateLabel(); +} + +#include "lockdlg.moc" |