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/* gdm-session-settings.c - Loads session and language from ~/.dmrc
*
* Copyright (C) 2008 Red Hat, Inc.
*
* 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, 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
* Written by: Ray Strode <rstrode@redhat.com>
*/
#include "config.h"
#include "gdm-session-settings.h"
#include <errno.h>
#include <pwd.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <glib.h>
#include <glib-object.h>
#include <glib/gi18n.h>
#include <act/act-user-manager.h>
struct _GdmSessionSettings
{
GObject parent;
ActUserManager *user_manager;
ActUser *user;
char *session_name;
char *session_type;
char *language_name;
};
static void gdm_session_settings_finalize (GObject *object);
static void gdm_session_settings_class_install_properties (GdmSessionSettingsClass *
settings_class);
static void gdm_session_settings_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gdm_session_settings_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
enum {
PROP_0 = 0,
PROP_SESSION_NAME,
PROP_SESSION_TYPE,
PROP_LANGUAGE_NAME,
PROP_IS_LOADED
};
G_DEFINE_TYPE (GdmSessionSettings, gdm_session_settings, G_TYPE_OBJECT)
static void
gdm_session_settings_class_init (GdmSessionSettingsClass *settings_class)
{
GObjectClass *object_class;
object_class = G_OBJECT_CLASS (settings_class);
object_class->finalize = gdm_session_settings_finalize;
gdm_session_settings_class_install_properties (settings_class);
}
static void
gdm_session_settings_class_install_properties (GdmSessionSettingsClass *settings_class)
{
GObjectClass *object_class;
GParamSpec *param_spec;
object_class = G_OBJECT_CLASS (settings_class);
object_class->set_property = gdm_session_settings_set_property;
object_class->get_property = gdm_session_settings_get_property;
param_spec = g_param_spec_string ("session-name", "Session Name",
"The name of the session",
NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class, PROP_SESSION_NAME, param_spec);
param_spec = g_param_spec_string ("session-type", "Session Type",
"The type of the session",
NULL, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_SESSION_TYPE, param_spec);
param_spec = g_param_spec_string ("language-name", "Language Name",
"The name of the language",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class, PROP_LANGUAGE_NAME, param_spec);
param_spec = g_param_spec_boolean ("is-loaded", NULL, NULL,
FALSE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class, PROP_IS_LOADED, param_spec);
}
static void
gdm_session_settings_init (GdmSessionSettings *settings)
{
settings->user_manager = act_user_manager_get_default ();
}
static void
gdm_session_settings_finalize (GObject *object)
{
GdmSessionSettings *settings;
GObjectClass *parent_class;
settings = GDM_SESSION_SETTINGS (object);
if (settings->user != NULL) {
g_object_unref (settings->user);
}
g_free (settings->session_name);
g_free (settings->language_name);
parent_class = G_OBJECT_CLASS (gdm_session_settings_parent_class);
if (parent_class->finalize != NULL) {
parent_class->finalize (object);
}
}
void
gdm_session_settings_set_language_name (GdmSessionSettings *settings,
const char *language_name)
{
g_return_if_fail (GDM_IS_SESSION_SETTINGS (settings));
if (settings->language_name == NULL ||
strcmp (settings->language_name, language_name) != 0) {
settings->language_name = g_strdup (language_name);
g_object_notify (G_OBJECT (settings), "language-name");
}
}
void
gdm_session_settings_set_session_name (GdmSessionSettings *settings,
const char *session_name)
{
g_return_if_fail (GDM_IS_SESSION_SETTINGS (settings));
if (settings->session_name == NULL ||
strcmp (settings->session_name, session_name) != 0) {
settings->session_name = g_strdup (session_name);
g_object_notify (G_OBJECT (settings), "session-name");
}
}
void
gdm_session_settings_set_session_type (GdmSessionSettings *settings,
const char *session_type)
{
g_return_if_fail (GDM_IS_SESSION_SETTINGS (settings));
if (settings->session_type == NULL ||
g_strcmp0 (settings->session_type, session_type) != 0) {
settings->session_type = g_strdup (session_type);
g_object_notify (G_OBJECT (settings), "session-type");
}
}
char *
gdm_session_settings_get_language_name (GdmSessionSettings *settings)
{
g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), NULL);
return g_strdup (settings->language_name);
}
char *
gdm_session_settings_get_session_name (GdmSessionSettings *settings)
{
g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), NULL);
return g_strdup (settings->session_name);
}
char *
gdm_session_settings_get_session_type (GdmSessionSettings *settings)
{
g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), NULL);
return g_strdup (settings->session_type);
}
static void
gdm_session_settings_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GdmSessionSettings *settings;
settings = GDM_SESSION_SETTINGS (object);
switch (prop_id) {
case PROP_LANGUAGE_NAME:
gdm_session_settings_set_language_name (settings, g_value_get_string (value));
break;
case PROP_SESSION_NAME:
gdm_session_settings_set_session_name (settings, g_value_get_string (value));
break;
case PROP_SESSION_TYPE:
gdm_session_settings_set_session_type (settings, g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gdm_session_settings_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GdmSessionSettings *settings;
settings = GDM_SESSION_SETTINGS (object);
switch (prop_id) {
case PROP_SESSION_NAME:
g_value_set_string (value, settings->session_name);
break;
case PROP_SESSION_TYPE:
g_value_set_string (value, settings->session_type);
break;
case PROP_LANGUAGE_NAME:
g_value_set_string (value, settings->language_name);
break;
case PROP_IS_LOADED:
g_value_set_boolean (value, gdm_session_settings_is_loaded (settings));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
GdmSessionSettings *
gdm_session_settings_new (void)
{
GdmSessionSettings *settings;
settings = g_object_new (GDM_TYPE_SESSION_SETTINGS,
NULL);
return settings;
}
gboolean
gdm_session_settings_is_loaded (GdmSessionSettings *settings)
{
g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), FALSE);
if (settings->user == NULL) {
return FALSE;
}
return act_user_is_loaded (settings->user);
}
static void
load_settings_from_user (GdmSessionSettings *settings)
{
const char *session_name;
const char *session_type;
const char *language_name;
if (!act_user_is_loaded (settings->user)) {
g_warning ("GdmSessionSettings: trying to load user settings from unloaded user");
return;
}
/* Load settings even if the user doesn't have saved state, as they could have been
* configured in AccountsService by the administrator */
session_type = act_user_get_session_type (settings->user);
session_name = act_user_get_session (settings->user);
g_debug ("GdmSessionSettings: saved session is %s (type %s)", session_name, session_type);
if (session_type != NULL && session_type[0] != '\0') {
gdm_session_settings_set_session_type (settings, session_type);
}
if (session_name != NULL && session_name[0] != '\0') {
gdm_session_settings_set_session_name (settings, session_name);
}
language_name = act_user_get_language (settings->user);
g_debug ("GdmSessionSettings: saved language is %s", language_name);
if (language_name != NULL && language_name[0] != '\0') {
gdm_session_settings_set_language_name (settings, language_name);
}
g_object_notify (G_OBJECT (settings), "is-loaded");
}
static void
on_user_is_loaded_changed (ActUser *user,
GParamSpec *pspec,
GdmSessionSettings *settings)
{
if (act_user_is_loaded (settings->user)) {
load_settings_from_user (settings);
g_signal_handlers_disconnect_by_func (G_OBJECT (settings->user),
G_CALLBACK (on_user_is_loaded_changed),
settings);
}
}
gboolean
gdm_session_settings_load (GdmSessionSettings *settings,
const char *username)
{
g_autoptr(ActUser) old_user = NULL;
g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), FALSE);
g_return_val_if_fail (username != NULL, FALSE);
g_return_val_if_fail (!gdm_session_settings_is_loaded (settings), FALSE);
old_user = g_steal_pointer (&settings->user);
if (old_user != NULL) {
g_signal_handlers_disconnect_by_func (G_OBJECT (old_user),
G_CALLBACK (on_user_is_loaded_changed),
settings);
}
settings->user = act_user_manager_get_user (settings->user_manager,
username);
if (!act_user_is_loaded (settings->user)) {
g_signal_connect (settings->user,
"notify::is-loaded",
G_CALLBACK (on_user_is_loaded_changed),
settings);
return FALSE;
}
load_settings_from_user (settings);
return TRUE;
}
gboolean
gdm_session_settings_save (GdmSessionSettings *settings,
const char *username)
{
g_autoptr(ActUser) user = NULL;
g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), FALSE);
g_return_val_if_fail (username != NULL, FALSE);
g_return_val_if_fail (gdm_session_settings_is_loaded (settings), FALSE);
user = act_user_manager_get_user (settings->user_manager,
username);
if (!act_user_is_loaded (user)) {
return FALSE;
}
if (settings->session_name != NULL) {
act_user_set_session (user, settings->session_name);
}
if (settings->session_type != NULL) {
act_user_set_session_type (user, settings->session_type);
}
if (settings->language_name != NULL) {
act_user_set_language (user, settings->language_name);
}
if (!act_user_is_local_account (user)) {
g_autoptr (GError) error = NULL;
act_user_manager_cache_user (settings->user_manager, username, &error);
if (error != NULL) {
g_debug ("GdmSessionSettings: Could not locally cache remote user: %s", error->message);
return FALSE;
}
}
return TRUE;
}
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