File gnome-screensaver-finger-print.patch of Package gnome-screensaver
Index: configure.ac
===================================================================
--- configure.ac.orig
+++ configure.ac
@@ -677,6 +677,21 @@ if test "x$have_libgnomekbdui" = "xyes";
fi
dnl ---------------------------------------------------------------------------
+dnl libfprint
+dnl ---------------------------------------------------------------------------
+
+have_libfprint=yes
+AC_ARG_WITH(libfprint,[ --without-libfprint disable finger print support])
+if test x$with_libfprint != xno; then
+ PKG_CHECK_MODULES(LIBFPRINT, libfprint, have_libfprint=yes, have_libfprint=no)
+fi
+if test "x$have_libfprint" = "xyes"; then
+ AC_SUBST(LIBFPRINT_CFLAGS)
+ AC_SUBST(LIBFPRINT_LIBS)
+ AC_DEFINE(WITH_LIBFPRINT, 1, [Define for finger print support])
+fi
+
+dnl ---------------------------------------------------------------------------
dnl Finish
dnl ---------------------------------------------------------------------------
Index: src/gnome-screensaver-dialog.c
===================================================================
--- src/gnome-screensaver-dialog.c.orig
+++ src/gnome-screensaver-dialog.c
@@ -31,6 +31,11 @@
#include <unistd.h>
#include <signal.h>
+#ifdef WITH_LIBFPRINT
+#include <pthread.h>
+#include <signal.h>
+#include <libfprint/fprint.h>
+#endif
#include <glib/gi18n.h>
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
@@ -74,6 +79,12 @@ static GOptionEntry entries [] = {
{ NULL }
};
+#ifdef WITH_LIBFPRINT
+static struct fp_dscv_dev *fp_ddev, **fp_discovered_devs;
+static struct fp_dev *fp_dev;
+static struct fp_print_data *fp_data;
+#endif
+
static char *
get_id_string (GtkWidget *widget)
{
@@ -360,12 +371,118 @@ quit_timeout_cb (gpointer data)
return FALSE;
}
+#ifdef WITH_LIBFPRINT
+typedef struct {
+ gchar *message;
+ GSLockPlug *plug;
+} AuthMessageHandlerIdleData;
+
+static gboolean
+auth_message_handler_idle_cb (AuthMessageHandlerIdleData *idle_data)
+{
+ char *response;
+
+ auth_message_handler (GS_AUTH_MESSAGE_TEXT_INFO,
+ idle_data->message,
+ &response,
+ idle_data->plug);
+
+ g_free (idle_data->message);
+ g_free (idle_data);
+
+ return FALSE;
+}
+
+static void
+auth_message_handler_idle (const gchar *message, GSLockPlug *plug)
+{
+ AuthMessageHandlerIdleData *idle_data;
+
+ idle_data = g_new0 (AuthMessageHandlerIdleData, 1);
+ idle_data->message = g_strdup (message);
+ idle_data->plug = plug;
+
+ g_idle_add ((GSourceFunc) auth_message_handler_idle_cb, idle_data);
+}
+
+static gpointer
+fprint_thread_func (gpointer user_data)
+{
+ GSLockPlug *plug = (GSLockPlug *) user_data;
+
+ if (fp_dev && fp_data) {
+ gboolean result = FALSE;
+ gboolean retry;
+ struct fp_img *img = NULL;
+
+ auth_message_handler_idle (_("Please enter password or swipe your finger"), plug);
+
+ do {
+ int r;
+
+ retry = FALSE;
+
+ r = fp_verify_finger_img (fp_dev, fp_data, &img);
+ fp_img_free (img);
+
+ switch (r) {
+ case FP_VERIFY_NO_MATCH :
+ retry = TRUE;
+ break;
+ case FP_VERIFY_MATCH :
+ result = TRUE;
+ break;
+ case FP_VERIFY_RETRY :
+ retry = TRUE;
+ auth_message_handler_idle (_("Scan didn't quite work. Please try again"),
+ plug);
+ break;
+ case FP_VERIFY_RETRY_TOO_SHORT :
+ retry = TRUE;
+ auth_message_handler_idle (_("Swipe was too short. Please try again"),
+ plug);
+ break;
+ case FP_VERIFY_RETRY_CENTER_FINGER :
+ retry = TRUE;
+ auth_message_handler_idle (_("Please center your finger on the sensor and try again"),
+ plug);
+ break;
+ case FP_VERIFY_RETRY_REMOVE_FINGER :
+ retry = TRUE;
+ auth_message_handler_idle (_("Please remove finger from the sensor and try again"),
+ plug);
+ break;
+ default :
+ retry = TRUE;
+ g_debug ("Finger print verification failed with error: %d", r);
+ break;
+ }
+ } while (retry);
+
+ if (result) {
+ g_idle_add ((GSourceFunc) quit_response_ok, NULL);
+ }
+ }
+
+ return NULL;
+}
+#endif
+
static gboolean
auth_check_idle (GSLockPlug *plug)
{
gboolean res;
gboolean again;
static guint loop_counter = 0;
+#ifdef WITH_LIBFPRINT
+ static pthread_t fprint_thread = -1;
+
+ if (fp_dev && fp_data && fprint_thread == -1) {
+ if (pthread_create (&fprint_thread, NULL, fprint_thread_func, plug)) {
+ gs_debug ("Thread creation for finger print auth failed");
+ }
+ }
+#endif
again = TRUE;
res = do_auth_check (plug);
@@ -568,6 +685,22 @@ lock_initialization (int *argc,
return TRUE;
}
+#ifdef WITH_LIBFPRINT
+static struct fp_dscv_dev
+*discover_fingerprint_device (struct fp_dscv_dev **discovered_devs)
+{
+ struct fp_dscv_dev *ddev = discovered_devs[0];
+ struct fp_driver *drv;
+ if (!ddev)
+ return NULL;
+
+ drv = fp_dscv_dev_get_driver (ddev);
+ g_debug ("Found device claimed by %s driver\n", fp_driver_get_full_name (drv));
+
+ return ddev;
+}
+#endif
+
int
main (int argc,
char **argv)
@@ -587,6 +720,34 @@ main (int argc,
g_thread_init (NULL);
}
+#ifdef WITH_LIBFPRINT
+ /* Initialize fprint for fingerprint reading for authentication */
+ if (fp_init () < 0) {
+ g_debug ("Failed to initialize libfprint");
+ } else {
+ fp_data = NULL;
+ fp_discovered_devs = fp_discover_devs ();
+ if (fp_discovered_devs) {
+ fp_ddev = discover_fingerprint_device (fp_discovered_devs);
+ if (fp_ddev) {
+ fp_dev = fp_dev_open (fp_ddev);
+ if (fp_dev) {
+ if (fp_print_data_load (fp_dev, RIGHT_INDEX, &fp_data) == 0) {
+ } else {
+ g_debug ("Failed to load fingerprint");
+ g_debug ("Did you remember to enroll your right index finger first?");
+ }
+ } else
+ g_debug ("Could not open fingerprint device");
+ } else
+ g_debug ("No fingerprint devices detected");
+
+ fp_dscv_devs_free (fp_discovered_devs);
+ } else
+ g_debug ("Could not discover fingerprint devices");
+ }
+#endif
+
g_type_init ();
gs_profile_start (NULL);
@@ -599,7 +760,7 @@ main (int argc,
error = NULL;
if (! gtk_init_with_args (&argc, &argv, NULL, entries, NULL, &error)) {
if (error != NULL) {
- fprintf (stderr, "%s", error->message);
+ g_debug ("%s", error->message);
g_error_free (error);
}
exit (1);
@@ -644,6 +805,14 @@ main (int argc,
if (xvkbd_running)
kill (xvkbd_pid, 9);
+#ifdef WITH_LIBFPRINT
+ fp_print_data_free (fp_data);
+ if (fp_dev)
+ fp_dev_close (fp_dev);
+
+ fp_exit ();
+#endif
+
gs_profile_end (NULL);
gs_debug_shutdown ();
Index: src/Makefile.am
===================================================================
--- src/Makefile.am.orig
+++ src/Makefile.am
@@ -29,6 +29,7 @@ INCLUDES = \
$(LIBGNOMEKBDUI_CFLAGS) \
$(LIBNOTIFY_CFLAGS) \
$(SYSTEMD_CFLAGS) \
+ $(LIBFPRINT_CFLAGS) \
$(NULL)
bin_PROGRAMS = \
@@ -154,6 +155,7 @@ gnome_screensaver_dialog_LDADD = \
$(AUTH_LIBS) \
$(LIBGNOMEKBDUI_LIBS) \
$(LIBNOTIFY_LIBS) \
+ $(LIBFPRINT_LIBS) \
$(NULL)
BUILT_SOURCES = \
