|  | /* | 
|  | * 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 |