Index: kdm/backend/client.c
===================================================================
--- kdm/backend/client.c.orig
+++ kdm/backend/client.c
@@ -83,6 +83,10 @@ extern int loginsuccess( const char *Use
 #endif
 #include <signal.h>
 
+#ifdef WITH_CONSOLE_KIT
+#include "consolekit.h"
+#endif
+
 /*
  * Session data, mostly what struct verify_info was for
  */
@@ -1124,8 +1128,13 @@ static int removeSession;
 static int removeCreds;
 #endif
 
+#ifdef WITH_CONSOLE_KIT
+int
+StartClient( const char *ck_session_cookie )
+#else
 int
 StartClient()
+#endif
 {
 	const char *home, *sessargs, *desksess;
 	char **env, *xma;
@@ -1223,6 +1232,11 @@ StartClient()
 	if (krbtkfile[0] != '\0')
 		env = setEnv( env, "KRBTKFILE", krbtkfile );
 #endif
+#ifdef WITH_CONSOLE_KIT
+	if (ck_session_cookie != NULL) {
+		env = setEnv ( env, "XDG_SESSION_COOKIE", ck_session_cookie );
+	}
+#endif
 	userEnviron = inheritEnv( env, envvars );
 	env = systemEnv( p->pw_name );
 	systemEnviron = setEnv( env, "HOME", p->pw_dir );
Index: kdm/backend/consolekit.c
===================================================================
--- /dev/null
+++ kdm/backend/consolekit.c
@@ -0,0 +1,552 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2006-2007 William Jon McCann <mccann@jhu.edu>
+ * Copyright (C) 2007 Kevin Kofler <Kevin@tigcc.ticalc.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include "dm.h"
+#include "dm_auth.h"
+#include "dm_error.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <pwd.h>
+
+#define DBUS_API_SUBJECT_TO_CHANGE
+#include <dbus/dbus.h>
+
+#include "consolekit.h"
+
+
+#define CK_NAME              "org.freedesktop.ConsoleKit"
+#define CK_PATH              "/org/freedesktop/ConsoleKit"
+#define CK_INTERFACE         "org.freedesktop.ConsoleKit"
+#define CK_MANAGER_PATH      "/org/freedesktop/ConsoleKit/Manager"
+#define CK_MANAGER_INTERFACE "org.freedesktop.ConsoleKit.Manager"
+#define CK_SESSION_INTERFACE "org.freedesktop.ConsoleKit.Session"
+
+static DBusConnection *private_connection = NULL;
+
+static void
+add_param_int (DBusMessageIter *iter_struct,
+	       const char      *key,
+	       int              value)
+{
+	DBusMessageIter iter_struct_entry;
+	DBusMessageIter iter_var;
+
+	dbus_message_iter_open_container (iter_struct,
+					  DBUS_TYPE_STRUCT,
+					  NULL,
+					  &iter_struct_entry);
+
+	dbus_message_iter_append_basic (&iter_struct_entry,
+					DBUS_TYPE_STRING,
+					&key);
+
+	dbus_message_iter_open_container (&iter_struct_entry,
+					  DBUS_TYPE_VARIANT,
+					  DBUS_TYPE_INT32_AS_STRING,
+					  &iter_var);
+
+	dbus_message_iter_append_basic (&iter_var,
+					DBUS_TYPE_INT32,
+					&value);
+
+	dbus_message_iter_close_container (&iter_struct_entry,
+					   &iter_var);
+
+	dbus_message_iter_close_container (iter_struct, &iter_struct_entry);
+}
+
+static void
+add_param_boolean (DBusMessageIter *iter_struct,
+		   const char      *key,
+		   int             value)
+{
+	DBusMessageIter iter_struct_entry;
+	DBusMessageIter iter_var;
+
+	dbus_message_iter_open_container (iter_struct,
+					  DBUS_TYPE_STRUCT,
+					  NULL,
+					  &iter_struct_entry);
+
+	dbus_message_iter_append_basic (&iter_struct_entry,
+					DBUS_TYPE_STRING,
+					&key);
+
+	dbus_message_iter_open_container (&iter_struct_entry,
+					  DBUS_TYPE_VARIANT,
+					  DBUS_TYPE_BOOLEAN_AS_STRING,
+					  &iter_var);
+
+	dbus_message_iter_append_basic (&iter_var,
+					DBUS_TYPE_BOOLEAN,
+					&value);
+
+	dbus_message_iter_close_container (&iter_struct_entry,
+					   &iter_var);
+
+	dbus_message_iter_close_container (iter_struct, &iter_struct_entry);
+}
+
+static void
+add_param_string (DBusMessageIter *iter_struct,
+		  const char      *key,
+		  const char      *value)
+{
+	DBusMessageIter iter_struct_entry;
+	DBusMessageIter iter_var;
+
+	dbus_message_iter_open_container (iter_struct,
+					  DBUS_TYPE_STRUCT,
+					  NULL,
+					  &iter_struct_entry);
+
+	dbus_message_iter_append_basic (&iter_struct_entry,
+					DBUS_TYPE_STRING,
+					&key);
+
+	dbus_message_iter_open_container (&iter_struct_entry,
+					  DBUS_TYPE_VARIANT,
+					  DBUS_TYPE_STRING_AS_STRING,
+					  &iter_var);
+
+	dbus_message_iter_append_basic (&iter_var,
+					DBUS_TYPE_STRING,
+					&value);
+
+	dbus_message_iter_close_container (&iter_struct_entry,
+					   &iter_var);
+
+	dbus_message_iter_close_container (iter_struct, &iter_struct_entry);
+}
+
+static int
+session_get_x11_display (DBusConnection *connection,
+			 const char     *ssid,
+			 char          **str)
+{
+	DBusError       error;
+	DBusMessage    *message;
+	DBusMessage    *reply;
+	DBusMessageIter iter;
+	const char     *value;
+
+	if (str != NULL) {
+		*str = NULL;
+	}
+
+	message = dbus_message_new_method_call (CK_NAME,
+						ssid,
+						CK_SESSION_INTERFACE,
+						"GetX11Display");
+	if (message == NULL) {
+		Debug ("ConsoleKit: Couldn't allocate the D-Bus message");
+		return FALSE;
+	}
+
+	dbus_error_init (&error);
+	reply = dbus_connection_send_with_reply_and_block (connection,
+							   message,
+							   -1, &error);
+	if (dbus_error_is_set (&error)) {
+		Debug ("ConsoleKit: %s raised:\n %s\n\n", error.name, error.message);
+		reply = NULL;
+	}
+
+	dbus_connection_flush (connection);
+	dbus_message_unref (message);
+
+	if (reply == NULL) {
+		return FALSE;
+	}
+
+	dbus_message_iter_init (reply, &iter);
+	dbus_message_iter_get_basic (&iter, &value);
+	if (str != NULL) {
+		*str = strdup (value);
+	}
+	dbus_message_unref (reply);
+
+	return TRUE;
+}
+
+static int
+session_unlock (DBusConnection *connection,
+		const char     *ssid)
+{
+	DBusError       error;
+	DBusMessage    *message;
+	DBusMessage    *reply;
+
+	Debug ("ConsoleKit: Unlocking session %s", ssid);
+	message = dbus_message_new_method_call (CK_NAME,
+						ssid,
+						CK_SESSION_INTERFACE,
+						"Unlock");
+	if (message == NULL) {
+		Debug ("ConsoleKit: Couldn't allocate the D-Bus message");
+		return FALSE;
+	}
+
+	dbus_error_init (&error);
+	reply = dbus_connection_send_with_reply_and_block (connection,
+							   message,
+							   -1, &error);
+	dbus_message_unref (message);
+	dbus_message_unref (reply);
+	dbus_connection_flush (connection);
+
+	if (dbus_error_is_set (&error)) {
+		Debug ("ConsoleKit: %s raised:\n %s\n\n", error.name, error.message);
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+/* from libhal */
+static char **
+get_path_array_from_iter (DBusMessageIter *iter,
+			  int             *num_elements)
+{
+	int count;
+	char **buffer;
+
+	count = 0;
+	buffer = (char **)malloc (sizeof (char *) * 8);
+
+	if (buffer == NULL)
+		goto oom;
+
+	buffer[0] = NULL;
+	while (dbus_message_iter_get_arg_type (iter) == DBUS_TYPE_OBJECT_PATH) {
+		const char *value;
+		char *str;
+
+		if ((count % 8) == 0 && count != 0) {
+			buffer = realloc (buffer, sizeof (char *) * (count + 8));
+			if (buffer == NULL)
+				goto oom;
+		}
+
+		dbus_message_iter_get_basic (iter, &value);
+		str = strdup (value);
+		if (str == NULL)
+			goto oom;
+
+		buffer[count] = str;
+
+		dbus_message_iter_next (iter);
+		count++;
+	}
+
+	if ((count % 8) == 0) {
+		buffer = realloc (buffer, sizeof (char *) * (count + 1));
+		if (buffer == NULL)
+			goto oom;
+	}
+
+	buffer[count] = NULL;
+	if (num_elements != NULL)
+		*num_elements = count;
+	return buffer;
+
+oom:
+	LogWarn ("%s %d : error allocating memory\n", __FILE__, __LINE__);
+	return NULL;
+
+}
+
+static char **
+get_sessions_for_user (DBusConnection *connection,
+		       const char     *user,
+		       const char     *x11_display)
+{
+	DBusError       error;
+	DBusMessage    *message;
+	DBusMessage    *reply;
+	DBusMessageIter iter;
+	DBusMessageIter iter_reply;
+	DBusMessageIter iter_array;
+	struct passwd	*pwent;
+	char           **sessions;
+
+	sessions = NULL;
+	message = NULL;
+	reply = NULL;
+
+	pwent = getpwnam (user);
+
+	dbus_error_init (&error);
+	message = dbus_message_new_method_call (CK_NAME,
+						CK_MANAGER_PATH,
+						CK_MANAGER_INTERFACE,
+						"GetSessionsForUser");
+	if (message == NULL) {
+		Debug ("ConsoleKit: Couldn't allocate the D-Bus message");
+		goto out;
+	}
+
+	dbus_message_iter_init_append (message, &iter);
+	dbus_message_iter_append_basic (&iter,
+					DBUS_TYPE_UINT32,
+					&pwent->pw_uid);
+
+	dbus_error_init (&error);
+	reply = dbus_connection_send_with_reply_and_block (connection,
+							   message,
+							   -1, &error);
+	dbus_connection_flush (connection);
+
+	if (dbus_error_is_set (&error)) {
+		Debug ("ConsoleKit: %s raised:\n %s\n\n", error.name, error.message);
+		goto out;
+	}
+
+	if (reply == NULL) {
+		Debug ("ConsoleKit: No reply for GetSessionsForUser");
+		goto out;
+	}
+
+	dbus_message_iter_init (reply, &iter_reply);
+	if (dbus_message_iter_get_arg_type (&iter_reply) != DBUS_TYPE_ARRAY) {
+		Debug ("ConsoleKit: Wrong reply for GetSessionsForUser - expecting an array.");
+		goto out;
+	}
+
+	dbus_message_iter_recurse (&iter_reply, &iter_array);
+	sessions = get_path_array_from_iter (&iter_array, NULL);
+
+ out:
+	if (message != NULL) {
+		dbus_message_unref (message);
+	}
+	if (reply != NULL) {
+		dbus_message_unref (reply);
+	}
+
+	return sessions;
+}
+
+void
+unlock_ck_session (const char *user,
+		   const char *x11_display)
+{
+	DBusError       error;
+	DBusConnection *connection;
+	char           **sessions;
+	int              i;
+
+	Debug ("ConsoleKit: Unlocking session for %s on %s", user, x11_display);
+
+	dbus_error_init (&error);
+	connection = dbus_bus_get (DBUS_BUS_SYSTEM, &error);
+	if (connection == NULL) {
+		Debug ("ConsoleKit: Failed to connect to the D-Bus daemon: %s", error.message);
+		dbus_error_free (&error);
+		return;
+	}
+
+	sessions = get_sessions_for_user (connection, user, x11_display);
+	if (sessions == NULL || sessions[0] == NULL) {
+		Debug ("ConsoleKit: no sessions found");
+		return;
+	}
+
+	for (i = 0; sessions[i] != NULL; i++) {
+		char *ssid;
+		char *xdisplay;
+
+		ssid = sessions[i];
+		session_get_x11_display (connection, ssid, &xdisplay);
+		Debug ("ConsoleKit: session %s has DISPLAY %s", ssid, xdisplay);
+
+		if (xdisplay != NULL
+		    && x11_display != NULL
+		    && strcmp (xdisplay, x11_display) == 0) {
+			int res;
+
+			res = session_unlock (connection, ssid);
+			if (! res) {
+				LogError ("ConsoleKit: Unable to unlock %s", ssid);
+			}
+		}
+
+		free (xdisplay);
+	}
+
+	freeStrArr (sessions);
+}
+
+char *
+open_ck_session (struct passwd *pwent,
+		 struct display *d)
+{
+	DBusConnection *connection;
+	DBusError       error;
+	DBusMessage    *message;
+	DBusMessage    *reply;
+	DBusMessageIter iter;
+	DBusMessageIter iter_struct;
+	char	       *cookie;
+
+	cookie = NULL;
+
+	Debug ("ConsoleKit: Opening session for %s", pwent->pw_name);
+
+	dbus_error_init (&error);
+	connection = dbus_bus_get_private (DBUS_BUS_SYSTEM, &error);
+	private_connection = connection;
+
+	if (connection == NULL) {
+		Debug ("ConsoleKit: Failed to connect to the D-Bus daemon: %s", error.message);
+		dbus_error_free (&error);
+		return NULL;
+	}
+
+	dbus_connection_set_exit_on_disconnect (connection, FALSE);
+	/* FIXME: What to do about these?
+	dbus_connection_set_watch_functions( connection,
+	                                     dbusAddWatch,
+	                                     dbusRemoveWatch,
+	                                     dbusToggleWatch,
+	                                     data, 0 );
+	dbus_connection_set_timeout_functions( connection,
+	                                       dbusAddTimeout,
+	                                       dbusRemoveTimeout,
+	                                       dbusToggleTimeout,
+	                                       data, 0 );
+	dbus_connection_set_wakeup_main_function( connection,
+	                                          dbusWakeupMain,
+	                                          data, 0 ); */
+
+	dbus_error_init (&error);
+	message = dbus_message_new_method_call (CK_NAME,
+						CK_MANAGER_PATH,
+						CK_MANAGER_INTERFACE,
+						"OpenSessionWithParameters");
+	if (message == NULL) {
+		Debug ("ConsoleKit: Couldn't allocate the D-Bus message");
+		return NULL;
+	}
+
+	dbus_message_iter_init_append (message, &iter);
+	dbus_message_iter_open_container (&iter,
+					  DBUS_TYPE_ARRAY,
+					  DBUS_STRUCT_BEGIN_CHAR_AS_STRING
+					  DBUS_TYPE_STRING_AS_STRING
+					  DBUS_TYPE_VARIANT_AS_STRING
+					  DBUS_STRUCT_END_CHAR_AS_STRING,
+					  &iter_struct);
+
+	add_param_int (&iter_struct, "user", pwent->pw_uid);
+	add_param_string (&iter_struct, "x11-display", d->name);
+	add_param_boolean (&iter_struct, "is-local", ((d->displayType & d_location) == dLocal));
+#ifdef XDMCP
+	if (d->status == remoteLogin && !((d->displayType & d_location) == dLocal)) {
+		add_param_string (&iter_struct, "remote-host-name", d->remoteHost);
+	}
+#endif
+
+#ifdef HAVE_VTS
+	if (d->serverVT > 0) {
+		char device[20];
+
+		/* FIXME: how does xorg construct this */
+		sprintf(device, "/dev/tty%d", d->serverVT);
+		add_param_string (&iter_struct, "x11-display-device", device);
+	}
+#endif
+
+	dbus_message_iter_close_container (&iter, &iter_struct);
+
+	reply = dbus_connection_send_with_reply_and_block (connection,
+							   message,
+							   -1, &error);
+	if (dbus_error_is_set (&error)) {
+		Debug ("ConsoleKit: %s raised:\n %s\n\n", error.name, error.message);
+		reply = NULL;
+	}
+
+	dbus_connection_flush (connection);
+
+	dbus_message_unref (message);
+	dbus_error_free (&error);
+
+	if (reply != NULL) {
+		const char *value;
+
+		dbus_message_iter_init (reply, &iter);
+		dbus_message_iter_get_basic (&iter, &value);
+		cookie = strdup (value);
+		dbus_message_unref (reply);
+	}
+
+	return cookie;
+}
+
+void
+close_ck_session (const char *cookie)
+{
+	DBusError       error;
+	DBusMessage    *message;
+	DBusMessage    *reply;
+	DBusMessageIter iter;
+
+	if (cookie == NULL) {
+		return;
+	}
+
+	if (private_connection == NULL) {
+		return;
+	}
+
+	dbus_error_init (&error);
+	message = dbus_message_new_method_call (CK_NAME,
+						CK_MANAGER_PATH,
+						CK_MANAGER_INTERFACE,
+						"CloseSession");
+	if (message == NULL) {
+		Debug ("ConsoleKit: Couldn't allocate the D-Bus message");
+		return;
+	}
+
+	dbus_message_iter_init_append (message, &iter);
+	dbus_message_iter_append_basic (&iter,
+					DBUS_TYPE_STRING,
+					&cookie);
+
+	reply = dbus_connection_send_with_reply_and_block (private_connection,
+							   message,
+							   -1, &error);
+	if (dbus_error_is_set (&error)) {
+		Debug ("ConsoleKit: %s raised:\n %s\n\n", error.name, error.message);
+		reply = NULL;
+	}
+
+	dbus_connection_flush (private_connection);
+
+	dbus_message_unref (message);
+	dbus_error_free (&error);
+
+        dbus_connection_close (private_connection);
+	private_connection = NULL;
+}
Index: kdm/backend/consolekit.h
===================================================================
--- /dev/null
+++ kdm/backend/consolekit.h
@@ -0,0 +1,36 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2006 William Jon McCann <mccann@jhu.edu>
+ * Copyright (C) 2007 Kevin Kofler <Kevin@tigcc.ticalc.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+
+#ifndef __CONSOLE_KIT_H
+#define __CONSOLE_KIT_H
+
+#include <pwd.h>
+
+struct display;
+
+char *      open_ck_session       (struct passwd *pwent,
+                                   struct display *display);
+void        close_ck_session      (const char    *cookie);
+void        unlock_ck_session     (const char    *user,
+                                   const char    *x11_display);
+
+#endif /* __CONSOLE_KIT_H */
Index: kdm/backend/dm.h
===================================================================
--- kdm/backend/dm.h.orig
+++ kdm/backend/dm.h
@@ -37,6 +37,8 @@ from the copyright holder.
 #ifndef _DM_H_
 #define _DM_H_ 1
 
+#define WITH_CONSOLE_KIT
+
 #include "greet.h"
 #include <config.ci>
 
@@ -476,7 +478,11 @@ char **GRecvArgv( void );
 #define GCONV_BINARY  5
 typedef char *(*GConvFunc)( int what, const char *prompt );
 int Verify( GConvFunc gconv, int rootok );
+#ifdef WITH_CONSOLE_KIT
+int StartClient( const char *ck_session_cookie );
+#else
 int StartClient( void );
+#endif
 void SessionExit( int status ) ATTR_NORETURN;
 int ReadDmrc( void );
 extern char **userEnviron, **systemEnviron;
Index: kdm/backend/Imakefile
===================================================================
--- kdm/backend/Imakefile.orig
+++ kdm/backend/Imakefile
@@ -155,13 +155,13 @@ PROCTITLE_DEFINES = -DHAS_SETPROCTITLE
 		 netaddr.c reset.c resource.c protodpy.c policy.c \
 		 session.c socket.c streams.c util.c xdmcp.c \
 		 process.c mitauth.c \
-		 genauth.c access.c choose.c \
+		 genauth.c access.c choose.c consolekit.c \
 		 $(XDMAUTHSRCS) $(RPCSRCS) $(KRB5SRCS)
       COMMOBJS = auth.o daemon.o server.o dpylist.o dm.o error.o \
 		 netaddr.o reset.o resource.o protodpy.o policy.o \
 		 session.o socket.o streams.o util.o xdmcp.o \
 		 process.o mitauth.o \
-		 genauth.o access.o choose.o \
+		 genauth.o access.o choose.o consolekit.o \
 		 $(XDMAUTHOBJS) $(RPCOBJS) $(KRB5OBJS)
 
          SRCS1 = $(COMMSRCS) client.c
Index: kdm/backend/Makefile.am
===================================================================
--- kdm/backend/Makefile.am.orig
+++ kdm/backend/Makefile.am
@@ -1,6 +1,6 @@
 # forcibly remove thread-related defines & flags
 AUTOMAKE_OPTIONS = foreign
-AM_CPPFLAGS = $(USER_INCLUDES) $(X_INCLUDES) $(KRB4_INCS) $(KRB5_INCS) -I.. -I../..
+AM_CPPFLAGS = -DWITH_CONSOLE_KIT=1 $(USER_INCLUDES) $(X_INCLUDES) $(KRB4_INCS) $(KRB5_INCS) $(DBUS_INCS) -I.. -I../..
 
 bin_PROGRAMS = kdm
 kdm_SOURCES = \
@@ -9,6 +9,7 @@ kdm_SOURCES = \
     bootman.c \
     choose.c \
     client.c \
+    consolekit.c \
     ctrl.c \
     daemon.c \
     dm.c \
@@ -37,7 +38,7 @@ kdm_SOURCES = \
 kdm_LDFLAGS = $(USER_LDFLAGS) $(X_LDFLAGS) $(X_RPATH) $(KRB4_RPATH) $(KRB5_RPATH)
 kdm_LDADD = $(LIB_X11) -lXau $(LIBXDMCP) $(PASSWDLIBS) \
     $(LIB_LIBS) $(KRB4_LIBS) $(KRB5_LIBS) $(LIBSOCKET) $(LIBRESOLV) \
-    $(LIBUCB) $(LIBUTIL) $(LIBPOSIX4)
+    $(DBUS_LIBS) $(LIBUCB) $(LIBUTIL) $(LIBPOSIX4)
 
 EXTRA_DIST = printf.c
 
Index: kdm/backend/session.c
===================================================================
--- kdm/backend/session.c.orig
+++ kdm/backend/session.c
@@ -45,6 +45,10 @@ from the copyright holder.
 #include <ctype.h>
 #include <signal.h>
 
+#ifdef WITH_CONSOLE_KIT
+#include "consolekit.h"
+#endif
+
 struct display *td;
 const char *td_setup = "auto";
 
@@ -530,6 +534,9 @@ ManageSession( struct display *d )
 	int ex, cmd;
 	volatile int clientPid = 0;
 	volatile Time_t tdiff = 0;
+#ifdef WITH_CONSOLE_KIT
+	char *ck_session_cookie;
+#endif
 
 	td = d;
 	Debug( "ManageSession %s\n", d->name );
@@ -626,7 +633,12 @@ ManageSession( struct display *d )
 	if (td_setup)
 		SetupDisplay( td_setup );
 
+#ifdef WITH_CONSOLE_KIT
+	ck_session_cookie = open_ck_session (getpwnam(curuser), d);
+	if (!(clientPid = StartClient(ck_session_cookie))) {
+#else
 	if (!(clientPid = StartClient())) {
+#endif
 		LogError( "Client start failed\n" );
 		SessionExit( EX_NORMAL ); /* XXX maybe EX_REMANAGE_DPY? -- enable in dm.c! */
 	}
@@ -648,6 +660,14 @@ ManageSession( struct display *d )
 				catchTerm( SIGTERM );
 		}
 	}
+
+#ifdef WITH_CONSOLE_KIT
+	if (ck_session_cookie != NULL) {
+		close_ck_session (ck_session_cookie);
+		free (ck_session_cookie);
+	}
+#endif
+
 	/*
 	 * Sometimes the Xsession somehow manages to exit before
 	 * a server crash is noticed - so we sleep a bit and wait
Index: kdm/configure.in.in
===================================================================
--- kdm/configure.in.in.orig
+++ kdm/configure.in.in
@@ -240,4 +240,51 @@ if test "x$with_kdm_xconsole" = xyes; th
     AC_DEFINE(WITH_KDM_XCONSOLE, 1, [Build kdm with built-in xconsole])
 fi
 
+########### Check for DBus
+
+  AC_MSG_CHECKING(for DBus)
+
+  dbus_inc=NOTFOUND
+  dbus_lib=NOTFOUND
+  dbus=NOTFOUND
+
+  search_incs="$kde_includes $kde_extra_includes /usr/include /usr/include/dbus-1.0 /usr/local/include /usr/local/include/dbus-1.0"
+  AC_FIND_FILE(dbus/dbus.h, $search_incs, dbus_incdir)
+
+  search_incs_arch_deps="$kde_includes $kde_extra_includes /usr/lib$kdelibsuff/dbus-1.0/include /usr/local/lib$kdelibsuff/dbus-1.0/include"
+  AC_FIND_FILE(dbus/dbus-arch-deps.h, $search_incs_arch_deps, dbus_incdir_arch_deps)
+
+  if test -r $dbus_incdir/dbus/dbus.h && test -r $dbus_incdir_arch_deps/dbus/dbus-arch-deps.h ; then
+    DBUS_INCS="-I$dbus_incdir -I$dbus_incdir_arch_deps"
+    dbus_inc=FOUND
+  fi
+
+  search_libs="$kde_libraries $kde_extra_libs /usr/lib$kdelibsuff /usr/local/lib$kdelibsuff"
+  AC_FIND_FILE(libdbus-1.so, $search_libs, dbus_libdir)
+
+  if test -r $dbus_libdir/libdbus-1.so ; then
+    DBUS_LIBS="-L$dbus_libdir -ldbus-1"
+    dbus_lib=FOUND
+  fi
+
+  if test $dbus_inc != FOUND || test $dbus_lib != FOUND ; then 
+    KDE_PKG_CHECK_MODULES( DBUS, "dbus-1", [ DBUS_INCS=$DBUS_CFLAGS; dbus_inc=FOUND; dbus_lib=FOUND; ] , AC_MSG_RESULT( Nothing found on PKG_CONFIG_PATH ) )
+  fi
+
+  dbus_bus_var=`pkg-config --variable=system_bus_default_address dbus-1 2>/dev/null`
+  if test -z "$dbus_bus_var"; then
+        dbus_bus_var="unix:path=/var/run/dbus/system_bus_socket"
+  fi
+  AC_DEFINE_UNQUOTED(DBUS_SYSTEM_BUS, "$dbus_bus_var", [Define the unix domain path for dbus system bus])
+
+  if test $dbus_inc = FOUND && test $dbus_lib = FOUND ; then
+    AC_MSG_RESULT(headers $DBUS_INCS libraries $DBUS_LIBS)
+    dbus=FOUND
+  else
+    AC_MSG_RESULT(searched but not found)
+  fi
+
+  AC_SUBST(DBUS_INCS)
+  AC_SUBST(DBUS_LIBS)
+
 dnl AC_OUTPUT(kdm/kfrontend/sessions/kde.desktop)