cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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netlabel_mgmt.h (6098B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * NetLabel Management Support
      4 *
      5 * This file defines the management functions for the NetLabel system.  The
      6 * NetLabel system manages static and dynamic label mappings for network
      7 * protocols such as CIPSO and RIPSO.
      8 *
      9 * Author: Paul Moore <paul@paul-moore.com>
     10 */
     11
     12/*
     13 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
     14 */
     15
     16#ifndef _NETLABEL_MGMT_H
     17#define _NETLABEL_MGMT_H
     18
     19#include <net/netlabel.h>
     20#include <linux/atomic.h>
     21
     22/*
     23 * The following NetLabel payloads are supported by the management interface.
     24 *
     25 * o ADD:
     26 *   Sent by an application to add a domain mapping to the NetLabel system.
     27 *
     28 *   Required attributes:
     29 *
     30 *     NLBL_MGMT_A_DOMAIN
     31 *     NLBL_MGMT_A_PROTOCOL
     32 *
     33 *   If IPv4 is specified the following attributes are required:
     34 *
     35 *     NLBL_MGMT_A_IPV4ADDR
     36 *     NLBL_MGMT_A_IPV4MASK
     37 *
     38 *   If IPv6 is specified the following attributes are required:
     39 *
     40 *     NLBL_MGMT_A_IPV6ADDR
     41 *     NLBL_MGMT_A_IPV6MASK
     42 *
     43 *   If using NETLBL_NLTYPE_CIPSOV4 the following attributes are required:
     44 *
     45 *     NLBL_MGMT_A_CV4DOI
     46 *
     47 *   If using NETLBL_NLTYPE_UNLABELED no other attributes are required,
     48 *   however the following attribute may optionally be sent:
     49 *
     50 *     NLBL_MGMT_A_FAMILY
     51 *
     52 * o REMOVE:
     53 *   Sent by an application to remove a domain mapping from the NetLabel
     54 *   system.
     55 *
     56 *   Required attributes:
     57 *
     58 *     NLBL_MGMT_A_DOMAIN
     59 *
     60 * o LISTALL:
     61 *   This message can be sent either from an application or by the kernel in
     62 *   response to an application generated LISTALL message.  When sent by an
     63 *   application there is no payload and the NLM_F_DUMP flag should be set.
     64 *   The kernel should respond with a series of the following messages.
     65 *
     66 *   Required attributes:
     67 *
     68 *     NLBL_MGMT_A_DOMAIN
     69 *     NLBL_MGMT_A_FAMILY
     70 *
     71 *   If the IP address selectors are not used the following attribute is
     72 *   required:
     73 *
     74 *     NLBL_MGMT_A_PROTOCOL
     75 *
     76 *   If the IP address selectors are used then the following attritbute is
     77 *   required:
     78 *
     79 *     NLBL_MGMT_A_SELECTORLIST
     80 *
     81 *   If the mapping is using the NETLBL_NLTYPE_CIPSOV4 type then the following
     82 *   attributes are required:
     83 *
     84 *     NLBL_MGMT_A_CV4DOI
     85 *
     86 *   If the mapping is using the NETLBL_NLTYPE_UNLABELED type no other
     87 *   attributes are required.
     88 *
     89 * o ADDDEF:
     90 *   Sent by an application to set the default domain mapping for the NetLabel
     91 *   system.
     92 *
     93 *   Required attributes:
     94 *
     95 *     NLBL_MGMT_A_PROTOCOL
     96 *
     97 *   If using NETLBL_NLTYPE_CIPSOV4 the following attributes are required:
     98 *
     99 *     NLBL_MGMT_A_CV4DOI
    100 *
    101 *   If using NETLBL_NLTYPE_UNLABELED no other attributes are required,
    102 *   however the following attribute may optionally be sent:
    103 *
    104 *     NLBL_MGMT_A_FAMILY
    105 *
    106 * o REMOVEDEF:
    107 *   Sent by an application to remove the default domain mapping from the
    108 *   NetLabel system, there is no payload.
    109 *
    110 * o LISTDEF:
    111 *   This message can be sent either from an application or by the kernel in
    112 *   response to an application generated LISTDEF message.  When sent by an
    113 *   application there may be an optional payload.
    114 *
    115 *     NLBL_MGMT_A_FAMILY
    116 *
    117 *   On success the kernel should send a response using the following format:
    118 *
    119 *   If the IP address selectors are not used the following attributes are
    120 *   required:
    121 *
    122 *     NLBL_MGMT_A_PROTOCOL
    123 *     NLBL_MGMT_A_FAMILY
    124 *
    125 *   If the IP address selectors are used then the following attritbute is
    126 *   required:
    127 *
    128 *     NLBL_MGMT_A_SELECTORLIST
    129 *
    130 *   If the mapping is using the NETLBL_NLTYPE_CIPSOV4 type then the following
    131 *   attributes are required:
    132 *
    133 *     NLBL_MGMT_A_CV4DOI
    134 *
    135 *   If the mapping is using the NETLBL_NLTYPE_UNLABELED type no other
    136 *   attributes are required.
    137 *
    138 * o PROTOCOLS:
    139 *   Sent by an application to request a list of configured NetLabel protocols
    140 *   in the kernel.  When sent by an application there is no payload and the
    141 *   NLM_F_DUMP flag should be set.  The kernel should respond with a series of
    142 *   the following messages.
    143 *
    144 *   Required attributes:
    145 *
    146 *     NLBL_MGMT_A_PROTOCOL
    147 *
    148 * o VERSION:
    149 *   Sent by an application to request the NetLabel version.  When sent by an
    150 *   application there is no payload.  This message type is also used by the
    151 *   kernel to respond to an VERSION request.
    152 *
    153 *   Required attributes:
    154 *
    155 *     NLBL_MGMT_A_VERSION
    156 *
    157 */
    158
    159/* NetLabel Management commands */
    160enum {
    161	NLBL_MGMT_C_UNSPEC,
    162	NLBL_MGMT_C_ADD,
    163	NLBL_MGMT_C_REMOVE,
    164	NLBL_MGMT_C_LISTALL,
    165	NLBL_MGMT_C_ADDDEF,
    166	NLBL_MGMT_C_REMOVEDEF,
    167	NLBL_MGMT_C_LISTDEF,
    168	NLBL_MGMT_C_PROTOCOLS,
    169	NLBL_MGMT_C_VERSION,
    170	__NLBL_MGMT_C_MAX,
    171};
    172
    173/* NetLabel Management attributes */
    174enum {
    175	NLBL_MGMT_A_UNSPEC,
    176	NLBL_MGMT_A_DOMAIN,
    177	/* (NLA_NUL_STRING)
    178	 * the NULL terminated LSM domain string */
    179	NLBL_MGMT_A_PROTOCOL,
    180	/* (NLA_U32)
    181	 * the NetLabel protocol type (defined by NETLBL_NLTYPE_*) */
    182	NLBL_MGMT_A_VERSION,
    183	/* (NLA_U32)
    184	 * the NetLabel protocol version number (defined by
    185	 * NETLBL_PROTO_VERSION) */
    186	NLBL_MGMT_A_CV4DOI,
    187	/* (NLA_U32)
    188	 * the CIPSOv4 DOI value */
    189	NLBL_MGMT_A_IPV6ADDR,
    190	/* (NLA_BINARY, struct in6_addr)
    191	 * an IPv6 address */
    192	NLBL_MGMT_A_IPV6MASK,
    193	/* (NLA_BINARY, struct in6_addr)
    194	 * an IPv6 address mask */
    195	NLBL_MGMT_A_IPV4ADDR,
    196	/* (NLA_BINARY, struct in_addr)
    197	 * an IPv4 address */
    198	NLBL_MGMT_A_IPV4MASK,
    199	/* (NLA_BINARY, struct in_addr)
    200	 * and IPv4 address mask */
    201	NLBL_MGMT_A_ADDRSELECTOR,
    202	/* (NLA_NESTED)
    203	 * an IP address selector, must contain an address, mask, and protocol
    204	 * attribute plus any protocol specific attributes */
    205	NLBL_MGMT_A_SELECTORLIST,
    206	/* (NLA_NESTED)
    207	 * the selector list, there must be at least one
    208	 * NLBL_MGMT_A_ADDRSELECTOR attribute */
    209	NLBL_MGMT_A_FAMILY,
    210	/* (NLA_U16)
    211	 * The address family */
    212	NLBL_MGMT_A_CLPDOI,
    213	/* (NLA_U32)
    214	 * the CALIPSO DOI value */
    215	__NLBL_MGMT_A_MAX,
    216};
    217#define NLBL_MGMT_A_MAX (__NLBL_MGMT_A_MAX - 1)
    218
    219/* NetLabel protocol functions */
    220int netlbl_mgmt_genl_init(void);
    221
    222/* NetLabel configured protocol reference counter */
    223extern atomic_t netlabel_mgmt_protocount;
    224
    225#endif