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Diffstat (limited to 'tdm/kfrontend/sakdlg.cc')
| -rw-r--r-- | tdm/kfrontend/sakdlg.cc | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/tdm/kfrontend/sakdlg.cc b/tdm/kfrontend/sakdlg.cc new file mode 100644 index 000000000..396fa1627 --- /dev/null +++ b/tdm/kfrontend/sakdlg.cc @@ -0,0 +1,247 @@ +//=========================================================================== +// +// This file is part of the KDE project +// +// Copyright (c) 2010-2011 Timothy Pearson <kb9vqf@pearsoncomputing.net> + +#include <config.h> + +#include "sakdlg.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 <tdesu/defaults.h> +#include <kpassdlg.h> +#include <kdebug.h> +#include <kuser.h> +#include <dcopref.h> +#include <kmessagebox.h> +#include <kdialog.h> + +#include <tqlayout.h> +#include <tqpushbutton.h> +#include <tqmessagebox.h> +#include <tqsimplerichtext.h> +#include <tqlabel.h> +#include <tqstringlist.h> +#include <tqfontmetrics.h> +#include <tqstyle.h> +#include <tqapplication.h> +#include <tqlistview.h> +#include <tqheader.h> +#include <tqcheckbox.h> +#include <tqtimer.h> + +#include <fcntl.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 <X11/Xatom.h> +#include <fixx11h.h> + +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> +#include <limits.h> +#include <dirent.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/select.h> +#include <sys/time.h> +#include <termios.h> +#include <signal.h> + +#include "kfdialog.h" + +#ifndef AF_LOCAL +# define AF_LOCAL AF_UNIX +#endif + +#define FIFO_DIR "/tmp/ksocket-global/tdm" +#define FIFO_FILE "/tmp/ksocket-global/tdm/tdmctl-%1" +#define FIFO_SAK_FILE "/tmp/ksocket-global/tdm/tdmctl-sak-%1" + +bool trinity_desktop_lock_use_system_modal_dialogs = TRUE; +extern bool trinity_desktop_lock_use_sak; + +//=========================================================================== +// +// Simple dialog for displaying an unlock status or recurring error message +// +SAKDlg::SAKDlg(TQWidget *parent) + : TQDialog(parent, "information dialog", true, (trinity_desktop_lock_use_system_modal_dialogs?((WFlags)WStyle_StaysOnTop):((WFlags)WX11BypassWM))), + mUnlockingFailed(false), mPipe_fd(-1), closingDown(false) +{ + if (trinity_desktop_lock_use_system_modal_dialogs) { + // Signal that we do not want any window controls to be shown at all + Atom kde_wm_system_modal_notification; + kde_wm_system_modal_notification = XInternAtom(qt_xdisplay(), "_KDE_WM_MODAL_SYS_NOTIFICATION", False); + XChangeProperty(qt_xdisplay(), winId(), kde_wm_system_modal_notification, XA_INTEGER, 32, PropModeReplace, (unsigned char *) "TRUE", 1L); + } + setCaption(TDM_LOGIN_SCREEN_BASE_TITLE); + + frame = new TQFrame( this ); + if (trinity_desktop_lock_use_system_modal_dialogs) + frame->setFrameStyle( TQFrame::NoFrame ); + else + frame->setFrameStyle( TQFrame::Panel | TQFrame::Raised ); + frame->setLineWidth( 2 ); + + KSMModalDialogHeader* theader = new KSMModalDialogHeader( frame ); + + KUser user; + + mStatusLabel = new TQLabel( "<b> </b>", frame ); + mStatusLabel->setAlignment( TQLabel::AlignVCenter ); + + TQVBoxLayout *unlockDialogLayout = new TQVBoxLayout( this ); + unlockDialogLayout->addWidget( frame ); + + TQHBoxLayout *layStatus = new TQHBoxLayout( 0, 0, KDialog::spacingHint()); + layStatus->addWidget( mStatusLabel ); + + frameLayout = new TQGridLayout( frame, 1, 1, KDialog::marginHint(), KDialog::spacingHint() ); + frameLayout->addMultiCellWidget( theader, 0, 0, 0, 1, AlignTop | AlignLeft ); + frameLayout->addMultiCellLayout( layStatus, 1, 1, 0, 1, AlignLeft | AlignVCenter); + + mStatusLabel->setText("<b>" + i18n("Press Ctrl+Alt+Del to begin.") + "</b><p>" + i18n("This process helps keep your password secure.") + "<br>" + i18n("It prevents unauthorized users from emulating the login screen.")); + + installEventFilter(this); + + mSAKProcess = new KProcess; + *mSAKProcess << "tdmtsak" << "dm"; + connect(mSAKProcess, TQT_SIGNAL(processExited(KProcess*)), this, TQT_SLOT(slotSAKProcessExited())); + mSAKProcess->start(); + + TQTimer::singleShot( 0, this, TQT_SLOT(handleInputPipe()) ); +} + +void SAKDlg::slotSAKProcessExited() +{ + int retcode = mSAKProcess->exitStatus(); + if (retcode != 0) trinity_desktop_lock_use_sak = false; + closingDown = true; + hide(); +} + +void SAKDlg::handleInputPipe(void) { + if (closingDown) { + ::unlink(mPipeFilename.ascii()); + return; + } + + if (isShown() == false) { + TQTimer::singleShot( 100, this, TQT_SLOT(handleInputPipe()) ); + return; + } + + char readbuf[2048]; + int displayNumber; + TQString currentDisplay; + currentDisplay = TQString(getenv("DISPLAY")); + currentDisplay = currentDisplay.replace(":", ""); + displayNumber = currentDisplay.toInt(); + mPipeFilename = TQString(FIFO_SAK_FILE).arg(displayNumber); + ::unlink((TQString(FIFO_FILE).arg(displayNumber)).ascii()); + + /* Create the FIFOs if they do not exist */ + umask(0); + struct stat buffer; + int status; + status = stat(FIFO_DIR, &buffer); + if (status == 0) { + int file_mode = ((buffer.st_mode & S_IRWXU) >> 6) * 100; + file_mode = file_mode + ((buffer.st_mode & S_IRWXG) >> 3) * 10; + file_mode = file_mode + ((buffer.st_mode & S_IRWXO) >> 0) * 1; + if ((file_mode != 600) || (buffer.st_uid != 0) || (buffer.st_gid != 0)) { + ::unlink(mPipeFilename.ascii()); + printf("[WARNING] Possible security breach! Please check permissions on " FIFO_DIR " (must be 600 and owned by root/root, got %d %d/%d). Not listening for login credentials on remote control socket.\n", file_mode, buffer.st_uid, buffer.st_gid); fflush(stdout); + return; + } + } + mkdir(FIFO_DIR,0600); + mknod(mPipeFilename.ascii(), S_IFIFO|0600, 0); + chmod(mPipeFilename.ascii(), 0600); + + mPipe_fd = ::open(mPipeFilename.ascii(), O_RDONLY | O_NONBLOCK); + int numread; + TQString inputcommand = ""; + while ((!inputcommand.contains('\n')) && (!closingDown)) { + numread = ::read(mPipe_fd, readbuf, 2048); + readbuf[numread] = 0; + readbuf[2047] = 0; + inputcommand += readbuf; + tqApp->processEvents(); + } + if (closingDown) { + ::unlink(mPipeFilename.ascii()); + return; + } + inputcommand = inputcommand.replace('\n', ""); + TQStringList commandList = TQStringList::split('\t', inputcommand, false); + if ((*(commandList.at(0))) == "CLOSE") { + mSAKProcess->kill(); + } + if (!closingDown) { + TQTimer::singleShot( 0, this, TQT_SLOT(handleInputPipe()) ); + ::close(mPipe_fd); + ::unlink(mPipeFilename.ascii()); + } + else { + ::unlink(mPipeFilename.ascii()); + } +} + +SAKDlg::~SAKDlg() +{ + if ((mSAKProcess) && (mSAKProcess->isRunning())) { + mSAKProcess->kill(SIGTERM); + delete mSAKProcess; + } + if (mPipe_fd != -1) { + closingDown = true; + ::close(mPipe_fd); + ::unlink(mPipeFilename.ascii()); + } + hide(); +} + +void SAKDlg::closeDialogForced() +{ + TQDialog::reject(); +} + +void SAKDlg::reject() +{ + +} + +void SAKDlg::updateLabel(TQString &txt) +{ + mStatusLabel->setPaletteForegroundColor(Qt::black); + mStatusLabel->setText("<b>" + txt + "</b>"); +} + +void SAKDlg::show() +{ + TQDialog::show(); + TQApplication::flushX(); +} + +#include "sakdlg.moc" |