static dbus_bool_t
get_parameters_for_service (BusDesktopFile *desktop_file,
const char *service_name,
char **exec,
char **user,
DBusError *error)
{
char *exec_tmp;
char *user_tmp;
exec_tmp = NULL;
user_tmp = NULL;
/* check the name of the service */
if (!check_service_name (desktop_file, service_name, error))
goto failed;
/* get the complete path of the executable */
if (!bus_desktop_file_get_string (desktop_file,
DBUS_SERVICE_SECTION,
DBUS_SERVICE_EXEC,
&exec_tmp,
error))
{
_DBUS_ASSERT_ERROR_IS_SET (error);
goto failed;
}
/* get the user that should run this service - user is compulsary for system activation */
if (!bus_desktop_file_get_string (desktop_file,
DBUS_SERVICE_SECTION,
DBUS_SERVICE_USER,
&user_tmp,
error))
{
_DBUS_ASSERT_ERROR_IS_SET (error);
goto failed;
}
/* only assign if all the checks passed */
*exec = exec_tmp;
*user = user_tmp;
return TRUE;
failed:
dbus_free (exec_tmp);
dbus_free (user_tmp);
return FALSE;
}
static dbus_bool_t
check_service_name (BusDesktopFile *desktop_file,
const char *service_name,
DBusError *error)
{
char *name_tmp;
dbus_bool_t retval;
retval = FALSE;
/* try to get Name */
if (!bus_desktop_file_get_string (desktop_file,
DBUS_SERVICE_SECTION,
DBUS_SERVICE_NAME,
&name_tmp,
error))
goto failed;
/* verify that the name is the same as the file service name */
if (strcmp (service_name, name_tmp) != 0)
{
dbus_set_error (error, DBUS_ERROR_SPAWN_FILE_INVALID,
"Service '%s' does not match expected value", name_tmp);
goto failed_free;
}
retval = TRUE;
failed_free:
/* we don't return the name, so free it here */
dbus_free (name_tmp);
failed:
return retval;
}
static dbus_bool_t
get_parameters_for_service (BusDesktopFile *desktop_file,
const char *service_name,
char **exec,
char **user,
char **alias,
DBusError *error)
{
char *exec_tmp;
char *user_tmp;
char *alias_tmp;
exec_tmp = NULL;
user_tmp = NULL;
alias_tmp = NULL;
/* check the name of the service */
if (!check_service_name (desktop_file, service_name, error))
goto failed;
/* look up if the service is an alias to another service */
if (bus_desktop_file_get_string (desktop_file,
DBUS_SERVICE_SECTION,
DBUS_SERVICE_ALIAS,
&alias_tmp,
error))
{
/* TODO: Should we check for Exec and User field in the file and
warn / error if they are set? They don't make sense when
a service is an alias to another service, and may be
misleading. */
/*
if (bus_desktop_file_has_string (desktop_file,
DBUS_SERVICE_SECTION,
DBUS_SERVICE_EXEC)))
{
dbus_set_error (error, DBUS_ERROR_SPAWN_SETUP_FAILED,
"You can't set Alias and Exec together");
goto failed;
}
if (bus_desktop_file_has_string (desktop_file,
DBUS_SERVICE_SECTION,
DBUS_SERVICE_USER)))
{
dbus_set_error (error, DBUS_ERROR_SPAWN_SETUP_FAILED,
"You can't set Alias and User together");
goto failed;
}
*/
*alias = alias_tmp;
return TRUE;
}
else
{
/* TODO: Notify of OOM errors, or you'll see confusing error messages. */
dbus_error_free (error);
}
/* get the complete path of the executable */
if (!bus_desktop_file_get_string (desktop_file,
DBUS_SERVICE_SECTION,
DBUS_SERVICE_EXEC,
&exec_tmp,
error))
{
_DBUS_ASSERT_ERROR_IS_SET (error);
goto failed;
}
/* get the user that should run this service - user is compulsary for system activation */
if (!bus_desktop_file_get_string (desktop_file,
DBUS_SERVICE_SECTION,
DBUS_SERVICE_USER,
&user_tmp,
error))
{
_DBUS_ASSERT_ERROR_IS_SET (error);
goto failed;
}
/* only assign if all the checks passed */
*exec = exec_tmp;
*user = user_tmp;
return TRUE;
failed:
dbus_free (exec_tmp);
dbus_free (user_tmp);
dbus_free (alias_tmp);
return FALSE;
}
