/* * NetLabel Unlabeled Support * * This file defines functions for dealing with unlabeled packets for the * NetLabel system. The NetLabel system manages static and dynamic label * mappings for network protocols such as CIPSO and RIPSO. * * Author: Paul Moore <paul.moore@hp.com> * */ /* * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 * * 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #ifndef _NETLABEL_UNLABELED_H #define _NETLABEL_UNLABELED_H #include <net/netlabel.h> /* * The following NetLabel payloads are supported by the Unlabeled subsystem. * * o ACCEPT * This message is sent from an application to specify if the kernel should * allow unlabled packets to pass if they do not match any of the static * mappings defined in the unlabeled module. * * Required attributes: * * NLBL_UNLABEL_A_ACPTFLG * * o LIST * This message can be sent either from an application or by the kernel in * response to an application generated LIST message. When sent by an * application there is no payload. The kernel should respond to a LIST * message with a LIST message on success. * * Required attributes: * * NLBL_UNLABEL_A_ACPTFLG * */ /* NetLabel Unlabeled commands */ enum { NLBL_UNLABEL_C_UNSPEC, NLBL_UNLABEL_C_ACCEPT, NLBL_UNLABEL_C_LIST, __NLBL_UNLABEL_C_MAX, }; #define NLBL_UNLABEL_C_MAX (__NLBL_UNLABEL_C_MAX - 1) /* NetLabel Unlabeled attributes */ enum { NLBL_UNLABEL_A_UNSPEC, NLBL_UNLABEL_A_ACPTFLG, /* (NLA_U8) * if true then unlabeled packets are allowed to pass, else unlabeled * packets are rejected */ __NLBL_UNLABEL_A_MAX, }; #define NLBL_UNLABEL_A_MAX (__NLBL_UNLABEL_A_MAX - 1) /* NetLabel protocol functions */ int netlbl_unlabel_genl_init(void); /* Process Unlabeled incoming network packets */ int netlbl_unlabel_getattr(struct netlbl_lsm_secattr *secattr); /* Set the default configuration to allow Unlabeled packets */ int netlbl_unlabel_defconf(void); #endif