Part 2 of prior commit

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 <[email protected]>
+
+#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"