gboolean
polkit_backend_session_monitor_is_session_local (PolkitBackendSessionMonitor *monitor,
PolkitSubject *session)
{
char *seat;
if (!sd_session_get_seat (polkit_unix_session_get_session_id (POLKIT_UNIX_SESSION (session)), &seat))
{
free (seat);
return TRUE;
}
return FALSE;
}
/**
* polkit_backend_session_monitor_get_user:
* @monitor: A #PolkitBackendSessionMonitor.
* @subject: A #PolkitSubject.
* @error: Return location for error.
*
* Gets the user corresponding to @subject or %NULL if no user exists.
*
* Returns: %NULL if @error is set otherwise a #PolkitUnixUser that should be freed with g_object_unref().
*/
PolkitIdentity *
polkit_backend_session_monitor_get_user_for_subject (PolkitBackendSessionMonitor *monitor,
PolkitSubject *subject,
GError **error)
{
PolkitIdentity *ret;
guint32 uid;
ret = NULL;
if (POLKIT_IS_UNIX_PROCESS (subject))
{
uid = polkit_unix_process_get_uid (POLKIT_UNIX_PROCESS (subject));
if ((gint) uid == -1)
{
g_set_error (error,
POLKIT_ERROR,
POLKIT_ERROR_FAILED,
"Unix process subject does not have uid set");
goto out;
}
ret = polkit_unix_user_new (uid);
}
else if (POLKIT_IS_SYSTEM_BUS_NAME (subject))
{
ret = (PolkitIdentity*)polkit_system_bus_name_get_user_sync (POLKIT_SYSTEM_BUS_NAME (subject), NULL, error);
}
else if (POLKIT_IS_UNIX_SESSION (subject))
{
if (sd_session_get_uid (polkit_unix_session_get_session_id (POLKIT_UNIX_SESSION (subject)), &uid) < 0)
{
g_set_error (error,
POLKIT_ERROR,
POLKIT_ERROR_FAILED,
"Error getting uid for session");
goto out;
}
ret = polkit_unix_user_new (uid);
}
out:
return ret;
}
gboolean
polkit_backend_session_monitor_is_session_active (PolkitBackendSessionMonitor *monitor,
PolkitSubject *session)
{
const char *session_id;
char *state;
uid_t uid;
gboolean is_active = FALSE;
session_id = polkit_unix_session_get_session_id (POLKIT_UNIX_SESSION (session));
g_debug ("Checking whether session %s is active.", session_id);
/* Check whether *any* of the user's current sessions are active. */
if (sd_session_get_uid (session_id, &uid) < 0)
goto fallback;
g_debug ("Session %s has UID %u.", session_id, uid);
if (sd_uid_get_state (uid, &state) < 0)
goto fallback;
g_debug ("UID %u has state %s.", uid, state);
is_active = (g_strcmp0 (state, "active") == 0);
free (state);
return is_active;
fallback:
/* Fall back to checking the session. This is not ideal, since the user
* might have multiple sessions, and we cannot guarantee to have chosen
* the active one.
*
* See: https://bugs.freedesktop.org/show_bug.cgi?id=76358. */
return sd_session_is_active (session_id);
}
gboolean
polkit_backend_session_monitor_is_session_active (PolkitBackendSessionMonitor *monitor,
PolkitSubject *session)
{
return sd_session_is_active (polkit_unix_session_get_session_id (POLKIT_UNIX_SESSION (session)));
}
/**
* polkit_backend_session_monitor_get_user:
* @monitor: A #PolkitBackendSessionMonitor.
* @subject: A #PolkitSubject.
* @error: Return location for error.
*
* Gets the user corresponding to @subject or %NULL if no user exists.
*
* Returns: %NULL if @error is set otherwise a #PolkitUnixUser that should be freed with g_object_unref().
*/
PolkitIdentity *
polkit_backend_session_monitor_get_user_for_subject (PolkitBackendSessionMonitor *monitor,
PolkitSubject *subject,
GError **error)
{
PolkitIdentity *ret;
guint32 uid;
ret = NULL;
if (POLKIT_IS_UNIX_PROCESS (subject))
{
uid = polkit_unix_process_get_uid (POLKIT_UNIX_PROCESS (subject));
if ((gint) uid == -1)
{
g_set_error (error,
POLKIT_ERROR,
POLKIT_ERROR_FAILED,
"Unix process subject does not have uid set");
goto out;
}
ret = polkit_unix_user_new (uid);
}
else if (POLKIT_IS_SYSTEM_BUS_NAME (subject))
{
GVariant *result;
result = g_dbus_connection_call_sync (monitor->system_bus,
"org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus",
"GetConnectionUnixUser",
g_variant_new ("(s)", polkit_system_bus_name_get_name (POLKIT_SYSTEM_BUS_NAME (subject))),
G_VARIANT_TYPE ("(u)"),
G_DBUS_CALL_FLAGS_NONE,
-1, /* timeout_msec */
NULL, /* GCancellable */
error);
if (result == NULL)
goto out;
g_variant_get (result, "(u)", &uid);
g_variant_unref (result);
ret = polkit_unix_user_new (uid);
}
else if (POLKIT_IS_UNIX_SESSION (subject))
{
if (sd_session_get_uid (polkit_unix_session_get_session_id (POLKIT_UNIX_SESSION (subject)), &uid) < 0)
{
g_set_error (error,
POLKIT_ERROR,
POLKIT_ERROR_FAILED,
"Error getting uid for session");
goto out;
}
ret = polkit_unix_user_new (uid);
}
out:
return ret;
}