static gboolean
on_smartcard_event (GIOChannel *io_channel,
GIOCondition condition,
gpointer data)
{
GdmSmartcardExtension *extension;
extension = GDM_SMARTCARD_EXTENSION (data);
if (condition & G_IO_IN) {
char buffer[1024];
ssize_t num_bytes;
num_bytes = read (g_io_channel_unix_get_fd (io_channel),
buffer, sizeof (buffer));
if (num_bytes < 0 && errno != EINTR)
return FALSE;
if (num_bytes != 1) {
g_debug ("buffer: %s\n", buffer);
return TRUE;
}
if (buffer[0] == 'I') {
extension->priv->number_of_tokens++;
} else {
extension->priv->number_of_tokens--;
}
if (extension->priv->number_of_tokens == 1) {
if (!_gdm_login_extension_emit_choose_user (GDM_LOGIN_EXTENSION (extension),
GDM_SMARTCARD_EXTENSION_SERVICE_NAME)) {
g_debug ("could not choose smart card user, cancelling...");
_gdm_login_extension_emit_cancel (GDM_LOGIN_EXTENSION (extension));
extension->priv->select_when_ready = TRUE;
} else {
g_debug ("chose smart card user!");
}
} else if (extension->priv->number_of_tokens == 0) {
_gdm_login_extension_emit_cancel (GDM_LOGIN_EXTENSION (extension));
}
return TRUE;
}
if (condition & G_IO_HUP) {
return FALSE;
}
return TRUE;
}
void
gdm_extension_list_add_extension (GdmExtensionList *extension_list,
GdmLoginExtension *extension)
{
GtkWidget *image;
GtkWidget *button;
GIcon *icon;
char *description;
if (extension_list->priv->extensions == NULL) {
button = gtk_radio_button_new (NULL);
} else {
GdmLoginExtension *previous_extension;
GtkRadioButton *previous_button;
previous_extension = GDM_LOGIN_EXTENSION (extension_list->priv->extensions->data);
previous_button = GTK_RADIO_BUTTON (g_object_get_data (G_OBJECT (previous_extension), "gdm-extension-list-button"));
button = gtk_radio_button_new_from_widget (previous_button);
}
g_object_set_data (G_OBJECT (extension), "gdm-extension-list-button", button);
g_object_set (G_OBJECT (button), "draw-indicator", FALSE, NULL);
g_object_set_data (G_OBJECT (button), "gdm-extension", extension);
g_signal_connect_swapped (button, "toggled",
G_CALLBACK (on_extension_toggled),
extension_list);
gtk_button_set_focus_on_click (GTK_BUTTON (button), FALSE);
gtk_widget_set_sensitive (button, gdm_login_extension_is_enabled (extension));
g_signal_connect_swapped (G_OBJECT (extension), "enabled",
G_CALLBACK (on_extension_enabled),
extension_list);
g_signal_connect_swapped (G_OBJECT (extension), "disabled",
G_CALLBACK (on_extension_disabled),
extension_list);
icon = gdm_login_extension_get_icon (extension);
image = gtk_image_new_from_gicon (icon, GTK_ICON_SIZE_SMALL_TOOLBAR);
g_object_unref (icon);
gtk_widget_show (image);
gtk_container_add (GTK_CONTAINER (button), image);
description = gdm_login_extension_get_description (extension);
gtk_widget_set_tooltip_text (button, description);
g_free (description);
gtk_widget_show (button);
gtk_container_add (GTK_CONTAINER (extension_list->priv->box), button);
extension_list->priv->extensions = g_list_append (extension_list->priv->extensions,
g_object_ref (extension));
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button))) {
g_signal_emit (extension_list, signals[ACTIVATED], 0, extension);
}
}
static void
request_answer (GdmSmartcardExtension *extension)
{
const char *text;
if (!extension->priv->answer_pending) {
_gdm_login_extension_emit_answer (GDM_LOGIN_EXTENSION (extension), NULL);
return;
}
extension->priv->answer_pending = FALSE;
text = gtk_entry_get_text (GTK_ENTRY (extension->priv->prompt_entry));
_gdm_login_extension_emit_answer (GDM_LOGIN_EXTENSION (extension), text);
gtk_widget_hide (extension->priv->prompt_entry);
gtk_label_set_text (GTK_LABEL (extension->priv->prompt_label), "");
gtk_entry_set_text (GTK_ENTRY (extension->priv->prompt_entry), "");
gtk_action_set_visible (extension->priv->login_action, FALSE);
}
static void
gdm_password_extension_init (GdmPasswordExtension *extension)
{
extension->priv = G_TYPE_INSTANCE_GET_PRIVATE (extension,
GDM_TYPE_PASSWORD_EXTENSION,
GdmPasswordExtensionPrivate);
extension->priv->icon = g_themed_icon_new ("dialog-password");
create_page (extension);
create_actions (extension);
extension->priv->message_queue = g_queue_new ();
gdm_password_extension_reset (GDM_LOGIN_EXTENSION (extension));
}
static void
gdm_smartcard_extension_init (GdmSmartcardExtension *extension)
{
extension->priv = G_TYPE_INSTANCE_GET_PRIVATE (extension,
GDM_TYPE_SMARTCARD_EXTENSION,
GdmSmartcardExtensionPrivate);
extension->priv->icon = g_themed_icon_new ("gdm-smartcard");
create_page (extension);
create_actions (extension);
extension->priv->message_queue = g_queue_new ();
extension->priv->settings = g_settings_new ("org.gnome.login-screen");
gdm_smartcard_extension_reset (GDM_LOGIN_EXTENSION (extension));
}
static void
activate_first_available_extension (GdmExtensionList *extension_list)
{
GList *node;
node = extension_list->priv->extensions;
while (node != NULL) {
GdmLoginExtension *extension;
extension = GDM_LOGIN_EXTENSION (node->data);
if (gdm_extension_list_set_active_extension (extension_list, extension)) {
break;
}
node = node->next;
}
}
static void
gdm_fingerprint_extension_init (GdmFingerprintExtension *extension)
{
extension->priv = G_TYPE_INSTANCE_GET_PRIVATE (extension,
GDM_TYPE_FINGERPRINT_EXTENSION,
GdmFingerprintExtensionPrivate);
extension->priv->icon = g_themed_icon_new ("gdm-fingerprint");
create_page (extension);
create_actions (extension);
extension->priv->message_queue = g_queue_new ();
extension->priv->settings = g_settings_new ("org.gnome.login-screen");
extension->priv->bus_connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, NULL);
gdm_fingerprint_extension_reset (GDM_LOGIN_EXTENSION (extension));
}
static gboolean
dequeue_message (GdmSmartcardExtension *extension)
{
if (!g_queue_is_empty (extension->priv->message_queue)) {
int duration;
gboolean needs_beep;
QueuedMessage *message;
message = (QueuedMessage *) g_queue_pop_head (extension->priv->message_queue);
switch (message->type) {
case GDM_SERVICE_MESSAGE_TYPE_INFO:
needs_beep = FALSE;
break;
case GDM_SERVICE_MESSAGE_TYPE_PROBLEM:
needs_beep = TRUE;
break;
default:
g_assert_not_reached ();
}
set_message (extension, message->text);
duration = (int) (g_utf8_strlen (message->text, -1) / 66.0) * 1000;
duration = CLAMP (duration, 400, 3000);
extension->priv->message_timeout_id = g_timeout_add (duration,
(GSourceFunc) dequeue_message,
extension);
if (needs_beep) {
gdk_window_beep (gtk_widget_get_window (GTK_WIDGET (extension)));
}
free_queued_message (message);
} else {
extension->priv->message_timeout_id = 0;
_gdm_login_extension_emit_message_queue_empty (GDM_LOGIN_EXTENSION (extension));
}
return FALSE;
}
