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//===========================================================================
//
// 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 <tdeapplication.h>
#include <klocale.h>
#include <kpushbutton.h>
#include <kseparator.h>
#include <kstandarddirs.h>
#include <kglobalsettings.h>
#include <tdeconfig.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 <libgen.h>
#include "kfdialog.h"
#ifndef AF_LOCAL
# define AF_LOCAL AF_UNIX
#endif
#define FIFO_DIR "/tmp/tdesocket-global/tdm"
#define FIFO_FILE "/tmp/tdesocket-global/tdm/tdmctl-%1"
#define FIFO_SAK_FILE "/tmp/tdesocket-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(tqt_xdisplay(), "_KDE_WM_MODAL_SYS_NOTIFICATION", False);
XChangeProperty(tqt_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);
mSATDEProcess = new TDEProcess;
*mSATDEProcess << "tdmtsak" << "dm";
connect(mSATDEProcess, TQT_SIGNAL(processExited(TDEProcess*)), this, TQT_SLOT(slotSATDEProcessExited()));
mSATDEProcess->start();
TQTimer::singleShot( 0, this, TQT_SLOT(handleInputPipe()) );
}
void SAKDlg::slotSATDEProcessExited()
{
int retcode = mSATDEProcess->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;
char *fifo_parent_dir = strdup(FIFO_DIR);
dirname(fifo_parent_dir);
status = stat(fifo_parent_dir, &buffer);
if (status != 0) {
mkdir(fifo_parent_dir, 0644);
}
free(fifo_parent_dir);
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;
if (!tqApp->hasPendingEvents()) {
usleep(500);
}
tqApp->processEvents();
}
if (closingDown) {
::unlink(mPipeFilename.ascii());
return;
}
inputcommand = inputcommand.replace('\n', "");
TQStringList commandList = TQStringList::split('\t', inputcommand, false);
if ((*(commandList.at(0))) == "CLOSE") {
mSATDEProcess->kill();
}
if (!closingDown) {
TQTimer::singleShot( 0, this, TQT_SLOT(handleInputPipe()) );
::close(mPipe_fd);
::unlink(mPipeFilename.ascii());
}
else {
::unlink(mPipeFilename.ascii());
}
}
SAKDlg::~SAKDlg()
{
if ((mSATDEProcess) && (mSATDEProcess->isRunning())) {
mSATDEProcess->kill(SIGTERM);
delete mSATDEProcess;
}
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"
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