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259 lines
7.2 KiB
259 lines
7.2 KiB
//===========================================================================
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//
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// This file is part of the KDE project
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//
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// Copyright (c) 2010-2011 Timothy Pearson <kb9vqf@pearsoncomputing.net>
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#include <config.h>
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#include "sakdlg.h"
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#include <dmctl.h>
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#include <tdeapplication.h>
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#include <klocale.h>
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#include <kpushbutton.h>
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#include <kseparator.h>
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#include <kstandarddirs.h>
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#include <kglobalsettings.h>
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#include <tdeconfig.h>
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#include <kiconloader.h>
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#include <tdesu/defaults.h>
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#include <kpassdlg.h>
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#include <kdebug.h>
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#include <kuser.h>
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#include <dcopref.h>
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#include <kmessagebox.h>
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#include <kdialog.h>
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#include <tqlayout.h>
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#include <tqpushbutton.h>
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#include <tqmessagebox.h>
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#include <tqsimplerichtext.h>
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#include <tqlabel.h>
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#include <tqstringlist.h>
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#include <tqfontmetrics.h>
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#include <tqstyle.h>
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#include <tqapplication.h>
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#include <tqlistview.h>
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#include <tqheader.h>
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#include <tqcheckbox.h>
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#include <tqtimer.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <pwd.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <X11/Xutil.h>
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#include <X11/keysym.h>
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#include <X11/Xatom.h>
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#include <fixx11h.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <limits.h>
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#include <dirent.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/select.h>
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#include <sys/time.h>
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#include <termios.h>
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#include <signal.h>
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#include <libgen.h>
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#include "kfdialog.h"
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#ifndef AF_LOCAL
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# define AF_LOCAL AF_UNIX
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#endif
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#define FIFO_DIR "/tmp/tdesocket-global/tdm"
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#define FIFO_FILE "/tmp/tdesocket-global/tdm/tdmctl-%1"
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#define FIFO_SAK_FILE "/tmp/tdesocket-global/tdm/tdmctl-sak-%1"
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bool trinity_desktop_lock_use_system_modal_dialogs = TRUE;
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extern bool trinity_desktop_lock_use_sak;
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//===========================================================================
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//
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// Simple dialog for displaying an unlock status or recurring error message
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//
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SAKDlg::SAKDlg(TQWidget *parent)
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: TQDialog(parent, "information dialog", true, (trinity_desktop_lock_use_system_modal_dialogs?((WFlags)WStyle_StaysOnTop):((WFlags)WX11BypassWM))),
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mUnlockingFailed(false), mPipe_fd(-1), closingDown(false)
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{
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if (trinity_desktop_lock_use_system_modal_dialogs) {
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// Signal that we do not want any window controls to be shown at all
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Atom kde_wm_system_modal_notification;
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kde_wm_system_modal_notification = XInternAtom(tqt_xdisplay(), "_KDE_WM_MODAL_SYS_NOTIFICATION", False);
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XChangeProperty(tqt_xdisplay(), winId(), kde_wm_system_modal_notification, XA_INTEGER, 32, PropModeReplace, (unsigned char *) "TRUE", 1L);
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}
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setCaption(TDM_LOGIN_SCREEN_BASE_TITLE);
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frame = new TQFrame( this );
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if (trinity_desktop_lock_use_system_modal_dialogs)
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frame->setFrameStyle( TQFrame::NoFrame );
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else
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frame->setFrameStyle( TQFrame::Panel | TQFrame::Raised );
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frame->setLineWidth( 2 );
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KSMModalDialogHeader* theader = new KSMModalDialogHeader( frame );
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KUser user;
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mStatusLabel = new TQLabel( "<b> </b>", frame );
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mStatusLabel->setAlignment( TQLabel::AlignVCenter );
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TQVBoxLayout *unlockDialogLayout = new TQVBoxLayout( this );
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unlockDialogLayout->addWidget( frame );
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TQHBoxLayout *layStatus = new TQHBoxLayout( 0, 0, KDialog::spacingHint());
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layStatus->addWidget( mStatusLabel );
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frameLayout = new TQGridLayout( frame, 1, 1, KDialog::marginHint(), KDialog::spacingHint() );
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frameLayout->addMultiCellWidget( theader, 0, 0, 0, 1, AlignTop | AlignLeft );
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frameLayout->addMultiCellLayout( layStatus, 1, 1, 0, 1, AlignLeft | AlignVCenter);
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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."));
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installEventFilter(this);
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mSATDEProcess = new TDEProcess;
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*mSATDEProcess << "tdmtsak" << "dm";
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connect(mSATDEProcess, TQT_SIGNAL(processExited(TDEProcess*)), this, TQT_SLOT(slotSATDEProcessExited()));
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mSATDEProcess->start();
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TQTimer::singleShot( 0, this, TQT_SLOT(handleInputPipe()) );
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}
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void SAKDlg::slotSATDEProcessExited()
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{
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int retcode = mSATDEProcess->exitStatus();
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if (retcode != 0) trinity_desktop_lock_use_sak = false;
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closingDown = true;
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hide();
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}
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void SAKDlg::handleInputPipe(void) {
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if (closingDown) {
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::unlink(mPipeFilename.ascii());
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return;
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}
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if (isShown() == false) {
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TQTimer::singleShot( 100, this, TQT_SLOT(handleInputPipe()) );
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return;
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}
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char readbuf[2048];
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int displayNumber;
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TQString currentDisplay;
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currentDisplay = TQString(getenv("DISPLAY"));
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currentDisplay = currentDisplay.replace(":", "");
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displayNumber = currentDisplay.toInt();
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mPipeFilename = TQString(FIFO_SAK_FILE).arg(displayNumber);
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::unlink((TQString(FIFO_FILE).arg(displayNumber)).ascii());
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/* Create the FIFOs if they do not exist */
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umask(0);
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struct stat buffer;
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int status;
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char *fifo_parent_dir = strdup(FIFO_DIR);
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dirname(fifo_parent_dir);
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status = stat(fifo_parent_dir, &buffer);
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if (status != 0) {
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mkdir(fifo_parent_dir, 0644);
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}
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free(fifo_parent_dir);
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status = stat(FIFO_DIR, &buffer);
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if (status == 0) {
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int file_mode = ((buffer.st_mode & S_IRWXU) >> 6) * 100;
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file_mode = file_mode + ((buffer.st_mode & S_IRWXG) >> 3) * 10;
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file_mode = file_mode + ((buffer.st_mode & S_IRWXO) >> 0) * 1;
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if ((file_mode != 600) || (buffer.st_uid != 0) || (buffer.st_gid != 0)) {
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::unlink(mPipeFilename.ascii());
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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);
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return;
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}
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}
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mkdir(FIFO_DIR,0600);
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mknod(mPipeFilename.ascii(), S_IFIFO|0600, 0);
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chmod(mPipeFilename.ascii(), 0600);
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mPipe_fd = ::open(mPipeFilename.ascii(), O_RDONLY | O_NONBLOCK);
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int numread;
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TQString inputcommand = "";
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while ((!inputcommand.contains('\n')) && (!closingDown)) {
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numread = ::read(mPipe_fd, readbuf, 2048);
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readbuf[numread] = 0;
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readbuf[2047] = 0;
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inputcommand += readbuf;
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if (!tqApp->hasPendingEvents()) {
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usleep(500);
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}
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tqApp->processEvents();
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}
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if (closingDown) {
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::unlink(mPipeFilename.ascii());
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return;
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}
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inputcommand = inputcommand.replace('\n', "");
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TQStringList commandList = TQStringList::split('\t', inputcommand, false);
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if ((*(commandList.at(0))) == "CLOSE") {
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mSATDEProcess->kill();
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}
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if (!closingDown) {
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TQTimer::singleShot( 0, this, TQT_SLOT(handleInputPipe()) );
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::close(mPipe_fd);
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::unlink(mPipeFilename.ascii());
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}
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else {
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::unlink(mPipeFilename.ascii());
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}
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}
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SAKDlg::~SAKDlg()
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{
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if ((mSATDEProcess) && (mSATDEProcess->isRunning())) {
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mSATDEProcess->kill(SIGTERM);
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delete mSATDEProcess;
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}
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if (mPipe_fd != -1) {
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closingDown = true;
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::close(mPipe_fd);
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::unlink(mPipeFilename.ascii());
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}
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hide();
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}
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void SAKDlg::closeDialogForced()
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{
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TQDialog::reject();
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}
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void SAKDlg::reject()
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{
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}
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void SAKDlg::updateLabel(TQString &txt)
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{
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mStatusLabel->setPaletteForegroundColor(Qt::black);
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mStatusLabel->setText("<b>" + txt + "</b>");
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}
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void SAKDlg::show()
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{
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TQDialog::show();
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TQApplication::flushX();
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}
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#include "sakdlg.moc"
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