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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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