/* 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
*/
/* * 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 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);
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