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/*
* NetLabel Management Support
*
* This file defines the management 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.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_MGMT_H
#define _NETLABEL_MGMT_H
#include <net/netlabel.h>
/*
* The following NetLabel payloads are supported by the management interface,
* all of which are preceeded by the nlmsghdr struct.
*
* o ACK:
* Sent by the kernel in response to an applications message, applications
* should never send this message.
*
* +----------------------+-----------------------+
* | seq number (32 bits) | return code (32 bits) |
* +----------------------+-----------------------+
*
* seq number: the sequence number of the original message, taken from the
* nlmsghdr structure
* return code: return value, based on errno values
*
* o ADD:
* Sent by an application to add a domain mapping to the NetLabel system.
* The kernel should respond with an ACK.
*
* +-------------------+
* | domains (32 bits) | ...
* +-------------------+
*
* domains: the number of domains in the message
*
* +--------------------------+-------------------------+
* | domain string (variable) | protocol type (32 bits) | ...
* +--------------------------+-------------------------+
*
* +-------------- ---- --- -- -
* | mapping data ... repeated
* +-------------- ---- --- -- -
*
* domain string: the domain string, NULL terminated
* protocol type: the protocol type (defined by NETLBL_NLTYPE_*)
* mapping data: specific to the map type (see below)
*
* NETLBL_NLTYPE_UNLABELED
*
* No mapping data for this protocol type.
*
* NETLBL_NLTYPE_CIPSOV4
*
* +---------------+
* | doi (32 bits) |
* +---------------+
*
* doi: the CIPSO DOI value
*
* o REMOVE:
* Sent by an application to remove a domain mapping from the NetLabel
* system. The kernel should ACK this message.
*
* +-------------------+
* | domains (32 bits) | ...
* +-------------------+
*
* domains: the number of domains in the message
*
* +--------------------------+
* | domain string (variable) | ...
* +--------------------------+
*
* domain string: the domain string, NULL terminated
*
* 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 either with a LIST message on success or an ACK message on
* failure.
*
* +-------------------+
* | domains (32 bits) | ...
* +-------------------+
*
* domains: the number of domains in the message
*
* +--------------------------+
* | domain string (variable) | ...
* +--------------------------+
*
* +-------------------------+-------------- ---- --- -- -
* | protocol type (32 bits) | mapping data ... repeated
* +-------------------------+-------------- ---- --- -- -
*
* domain string: the domain string, NULL terminated
* protocol type: the protocol type (defined by NETLBL_NLTYPE_*)
* mapping data: specific to the map type (see below)
*
* NETLBL_NLTYPE_UNLABELED
*
* No mapping data for this protocol type.
*
* NETLBL_NLTYPE_CIPSOV4
*
* +----------------+---------------+
* | type (32 bits) | doi (32 bits) |
* +----------------+---------------+
*
* type: the CIPSO mapping table type (defined in the cipso_ipv4.h header
* as CIPSO_V4_MAP_*)
* doi: the CIPSO DOI value
*
* o ADDDEF:
* Sent by an application to set the default domain mapping for the NetLabel
* system. The kernel should respond with an ACK.
*
* +-------------------------+-------------- ---- --- -- -
* | protocol type (32 bits) | mapping data ... repeated
* +-------------------------+-------------- ---- --- -- -
*
* protocol type: the protocol type (defined by NETLBL_NLTYPE_*)
* mapping data: specific to the map type (see below)
*
* NETLBL_NLTYPE_UNLABELED
*
* No mapping data for this protocol type.
*
* NETLBL_NLTYPE_CIPSOV4
*
* +---------------+
* | doi (32 bits) |
* +---------------+
*
* doi: the CIPSO DOI value
*
* o REMOVEDEF:
* Sent by an application to remove the default domain mapping from the
* NetLabel system, there is no payload. The kernel should ACK this message.
*
* o LISTDEF:
* This message can be sent either from an application or by the kernel in
* response to an application generated LISTDEF message. When sent by an
* application there is no payload. The kernel should respond to a
* LISTDEF message either with a LISTDEF message on success or an ACK message
* on failure.
*
* +-------------------------+-------------- ---- --- -- -
* | protocol type (32 bits) | mapping data ... repeated
* +-------------------------+-------------- ---- --- -- -
*
* protocol type: the protocol type (defined by NETLBL_NLTYPE_*)
* mapping data: specific to the map type (see below)
*
* NETLBL_NLTYPE_UNLABELED
*
* No mapping data for this protocol type.
*
* NETLBL_NLTYPE_CIPSOV4
*
* +----------------+---------------+
* | type (32 bits) | doi (32 bits) |
* +----------------+---------------+
*
* type: the CIPSO mapping table type (defined in the cipso_ipv4.h header
* as CIPSO_V4_MAP_*)
* doi: the CIPSO DOI value
*
* o MODULES:
* Sent by an application to request a list of configured NetLabel modules
* in the kernel. When sent by an application there is no payload.
*
* +-------------------+
* | modules (32 bits) | ...
* +-------------------+
*
* modules: the number of modules in the message, if this is an application
* generated message and the value is zero then return a list of
* the configured modules
*
* +------------------+
* | module (32 bits) | ... repeated
* +------------------+
*
* module: the module number as defined by NETLBL_NLTYPE_*
*
* o VERSION:
* Sent by an application to request the NetLabel version string. When sent
* by an application there is no payload. This message type is also used by
* the kernel to respond to an VERSION request.
*
* +-------------------+
* | version (32 bits) |
* +-------------------+
*
* version: the protocol version number
*
*/
/* NetLabel Management commands */
enum {
NLBL_MGMT_C_UNSPEC,
NLBL_MGMT_C_ACK,
NLBL_MGMT_C_ADD,
NLBL_MGMT_C_REMOVE,
NLBL_MGMT_C_LIST,
NLBL_MGMT_C_ADDDEF,
NLBL_MGMT_C_REMOVEDEF,
NLBL_MGMT_C_LISTDEF,
NLBL_MGMT_C_MODULES,
NLBL_MGMT_C_VERSION,
__NLBL_MGMT_C_MAX,
};
#define NLBL_MGMT_C_MAX (__NLBL_MGMT_C_MAX - 1)
/* NetLabel protocol functions */
int netlbl_mgmt_genl_init(void);
#endif
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