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/* 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);
#endif
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