156 lines
4.1 KiB
C
156 lines
4.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* NetLabel CIPSO/IPv4 Support
|
|
*
|
|
* This file defines the CIPSO/IPv4 functions 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@paul-moore.com>
|
|
*/
|
|
|
|
/*
|
|
* (c) Copyright Hewlett-Packard Development Company, L.P., 2006
|
|
*/
|
|
|
|
#ifndef _NETLABEL_CIPSO_V4
|
|
#define _NETLABEL_CIPSO_V4
|
|
|
|
#include <net/netlabel.h>
|
|
|
|
/*
|
|
* The following NetLabel payloads are supported by the CIPSO subsystem.
|
|
*
|
|
* o ADD:
|
|
* Sent by an application to add a new DOI mapping table.
|
|
*
|
|
* Required attributes:
|
|
*
|
|
* NLBL_CIPSOV4_A_DOI
|
|
* NLBL_CIPSOV4_A_MTYPE
|
|
* NLBL_CIPSOV4_A_TAGLST
|
|
*
|
|
* If using CIPSO_V4_MAP_TRANS the following attributes are required:
|
|
*
|
|
* NLBL_CIPSOV4_A_MLSLVLLST
|
|
* NLBL_CIPSOV4_A_MLSCATLST
|
|
*
|
|
* If using CIPSO_V4_MAP_PASS or CIPSO_V4_MAP_LOCAL no additional attributes
|
|
* are required.
|
|
*
|
|
* o REMOVE:
|
|
* Sent by an application to remove a specific DOI mapping table from the
|
|
* CIPSO V4 system.
|
|
*
|
|
* Required attributes:
|
|
*
|
|
* NLBL_CIPSOV4_A_DOI
|
|
*
|
|
* o LIST:
|
|
* Sent by an application to list the details of a DOI definition. On
|
|
* success the kernel should send a response using the following format.
|
|
*
|
|
* Required attributes:
|
|
*
|
|
* NLBL_CIPSOV4_A_DOI
|
|
*
|
|
* The valid response message format depends on the type of the DOI mapping,
|
|
* the defined formats are shown below.
|
|
*
|
|
* Required attributes:
|
|
*
|
|
* NLBL_CIPSOV4_A_MTYPE
|
|
* NLBL_CIPSOV4_A_TAGLST
|
|
*
|
|
* If using CIPSO_V4_MAP_TRANS the following attributes are required:
|
|
*
|
|
* NLBL_CIPSOV4_A_MLSLVLLST
|
|
* NLBL_CIPSOV4_A_MLSCATLST
|
|
*
|
|
* If using CIPSO_V4_MAP_PASS or CIPSO_V4_MAP_LOCAL no additional attributes
|
|
* are required.
|
|
*
|
|
* o LISTALL:
|
|
* This message is sent by an application to list the valid DOIs on the
|
|
* system. When sent by an application there is no payload and the
|
|
* NLM_F_DUMP flag should be set. The kernel should respond with a series of
|
|
* the following messages.
|
|
*
|
|
* Required attributes:
|
|
*
|
|
* NLBL_CIPSOV4_A_DOI
|
|
* NLBL_CIPSOV4_A_MTYPE
|
|
*
|
|
*/
|
|
|
|
/* NetLabel CIPSOv4 commands */
|
|
enum {
|
|
NLBL_CIPSOV4_C_UNSPEC,
|
|
NLBL_CIPSOV4_C_ADD,
|
|
NLBL_CIPSOV4_C_REMOVE,
|
|
NLBL_CIPSOV4_C_LIST,
|
|
NLBL_CIPSOV4_C_LISTALL,
|
|
__NLBL_CIPSOV4_C_MAX,
|
|
};
|
|
|
|
/* NetLabel CIPSOv4 attributes */
|
|
enum {
|
|
NLBL_CIPSOV4_A_UNSPEC,
|
|
NLBL_CIPSOV4_A_DOI,
|
|
/* (NLA_U32)
|
|
* the DOI value */
|
|
NLBL_CIPSOV4_A_MTYPE,
|
|
/* (NLA_U32)
|
|
* the mapping table type (defined in the cipso_ipv4.h header as
|
|
* CIPSO_V4_MAP_*) */
|
|
NLBL_CIPSOV4_A_TAG,
|
|
/* (NLA_U8)
|
|
* a CIPSO tag type, meant to be used within a NLBL_CIPSOV4_A_TAGLST
|
|
* attribute */
|
|
NLBL_CIPSOV4_A_TAGLST,
|
|
/* (NLA_NESTED)
|
|
* the CIPSO tag list for the DOI, there must be at least one
|
|
* NLBL_CIPSOV4_A_TAG attribute, tags listed first are given higher
|
|
* priorirty when sending packets */
|
|
NLBL_CIPSOV4_A_MLSLVLLOC,
|
|
/* (NLA_U32)
|
|
* the local MLS sensitivity level */
|
|
NLBL_CIPSOV4_A_MLSLVLREM,
|
|
/* (NLA_U32)
|
|
* the remote MLS sensitivity level */
|
|
NLBL_CIPSOV4_A_MLSLVL,
|
|
/* (NLA_NESTED)
|
|
* a MLS sensitivity level mapping, must contain only one attribute of
|
|
* each of the following types: NLBL_CIPSOV4_A_MLSLVLLOC and
|
|
* NLBL_CIPSOV4_A_MLSLVLREM */
|
|
NLBL_CIPSOV4_A_MLSLVLLST,
|
|
/* (NLA_NESTED)
|
|
* the CIPSO level mappings, there must be at least one
|
|
* NLBL_CIPSOV4_A_MLSLVL attribute */
|
|
NLBL_CIPSOV4_A_MLSCATLOC,
|
|
/* (NLA_U32)
|
|
* the local MLS category */
|
|
NLBL_CIPSOV4_A_MLSCATREM,
|
|
/* (NLA_U32)
|
|
* the remote MLS category */
|
|
NLBL_CIPSOV4_A_MLSCAT,
|
|
/* (NLA_NESTED)
|
|
* a MLS category mapping, must contain only one attribute of each of
|
|
* the following types: NLBL_CIPSOV4_A_MLSCATLOC and
|
|
* NLBL_CIPSOV4_A_MLSCATREM */
|
|
NLBL_CIPSOV4_A_MLSCATLST,
|
|
/* (NLA_NESTED)
|
|
* the CIPSO category mappings, there must be at least one
|
|
* NLBL_CIPSOV4_A_MLSCAT attribute */
|
|
__NLBL_CIPSOV4_A_MAX,
|
|
};
|
|
#define NLBL_CIPSOV4_A_MAX (__NLBL_CIPSOV4_A_MAX - 1)
|
|
|
|
/* NetLabel protocol functions */
|
|
int netlbl_cipsov4_genl_init(void);
|
|
|
|
/* Free the memory associated with a CIPSOv4 DOI definition */
|
|
void netlbl_cipsov4_doi_free(struct rcu_head *entry);
|
|
|
|
#endif
|