blob: 220cb9d06b496d315d30c1041a03525421b4a9e2 [file] [log] [blame]
Paul Moored15c3452006-08-03 16:48:37 -07001/*
2 * NetLabel CIPSO/IPv4 Support
3 *
4 * This file defines the CIPSO/IPv4 functions for the NetLabel system. The
5 * NetLabel system manages static and dynamic label mappings for network
6 * protocols such as CIPSO and RIPSO.
7 *
8 * Author: Paul Moore <paul.moore@hp.com>
9 *
10 */
11
12/*
13 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
23 * the GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 *
29 */
30
31#ifndef _NETLABEL_CIPSO_V4
32#define _NETLABEL_CIPSO_V4
33
34#include <net/netlabel.h>
35
36/*
Paul Moorefd385852006-09-25 15:56:37 -070037 * The following NetLabel payloads are supported by the CIPSO subsystem.
Paul Moored15c3452006-08-03 16:48:37 -070038 *
39 * o ADD:
Paul Moorefd385852006-09-25 15:56:37 -070040 * Sent by an application to add a new DOI mapping table.
Paul Moored15c3452006-08-03 16:48:37 -070041 *
Paul Moorefd385852006-09-25 15:56:37 -070042 * Required attributes:
Paul Moored15c3452006-08-03 16:48:37 -070043 *
Paul Moorefd385852006-09-25 15:56:37 -070044 * NLBL_CIPSOV4_A_DOI
45 * NLBL_CIPSOV4_A_MTYPE
46 * NLBL_CIPSOV4_A_TAGLST
Paul Moored15c3452006-08-03 16:48:37 -070047 *
Paul Moorefd385852006-09-25 15:56:37 -070048 * If using CIPSO_V4_MAP_STD the following attributes are required:
Paul Moored15c3452006-08-03 16:48:37 -070049 *
Paul Moorefd385852006-09-25 15:56:37 -070050 * NLBL_CIPSOV4_A_MLSLVLLST
51 * NLBL_CIPSOV4_A_MLSCATLST
Paul Moored15c3452006-08-03 16:48:37 -070052 *
Paul Moorefd385852006-09-25 15:56:37 -070053 * If using CIPSO_V4_MAP_PASS no additional attributes are required.
Paul Moored15c3452006-08-03 16:48:37 -070054 *
55 * o REMOVE:
56 * Sent by an application to remove a specific DOI mapping table from the
Paul Moorefd385852006-09-25 15:56:37 -070057 * CIPSO V4 system.
Paul Moored15c3452006-08-03 16:48:37 -070058 *
Paul Moorefd385852006-09-25 15:56:37 -070059 * Required attributes:
Paul Moored15c3452006-08-03 16:48:37 -070060 *
Paul Moorefd385852006-09-25 15:56:37 -070061 * NLBL_CIPSOV4_A_DOI
Paul Moored15c3452006-08-03 16:48:37 -070062 *
63 * o LIST:
Paul Moorefd385852006-09-25 15:56:37 -070064 * Sent by an application to list the details of a DOI definition. On
65 * success the kernel should send a response using the following format.
Paul Moored15c3452006-08-03 16:48:37 -070066 *
Paul Moorefd385852006-09-25 15:56:37 -070067 * Required attributes:
Paul Moored15c3452006-08-03 16:48:37 -070068 *
Paul Moorefd385852006-09-25 15:56:37 -070069 * NLBL_CIPSOV4_A_DOI
Paul Moored15c3452006-08-03 16:48:37 -070070 *
71 * The valid response message format depends on the type of the DOI mapping,
Paul Moorefd385852006-09-25 15:56:37 -070072 * the defined formats are shown below.
Paul Moored15c3452006-08-03 16:48:37 -070073 *
Paul Moorefd385852006-09-25 15:56:37 -070074 * Required attributes:
Paul Moored15c3452006-08-03 16:48:37 -070075 *
Paul Moorefd385852006-09-25 15:56:37 -070076 * NLBL_CIPSOV4_A_MTYPE
77 * NLBL_CIPSOV4_A_TAGLST
Paul Moored15c3452006-08-03 16:48:37 -070078 *
Paul Moorefd385852006-09-25 15:56:37 -070079 * If using CIPSO_V4_MAP_STD the following attributes are required:
Paul Moored15c3452006-08-03 16:48:37 -070080 *
Paul Moorefd385852006-09-25 15:56:37 -070081 * NLBL_CIPSOV4_A_MLSLVLLST
82 * NLBL_CIPSOV4_A_MLSCATLST
Paul Moored15c3452006-08-03 16:48:37 -070083 *
Paul Moorefd385852006-09-25 15:56:37 -070084 * If using CIPSO_V4_MAP_PASS no additional attributes are required.
Paul Moored15c3452006-08-03 16:48:37 -070085 *
86 * o LISTALL:
87 * This message is sent by an application to list the valid DOIs on the
Paul Moorefd385852006-09-25 15:56:37 -070088 * system. When sent by an application there is no payload and the
89 * NLM_F_DUMP flag should be set. The kernel should respond with a series of
90 * the following messages.
Paul Moored15c3452006-08-03 16:48:37 -070091 *
Paul Moorefd385852006-09-25 15:56:37 -070092 * Required attributes:
Paul Moored15c3452006-08-03 16:48:37 -070093 *
Paul Moorefd385852006-09-25 15:56:37 -070094 * NLBL_CIPSOV4_A_DOI
95 * NLBL_CIPSOV4_A_MTYPE
Paul Moored15c3452006-08-03 16:48:37 -070096 *
97 */
98
99/* NetLabel CIPSOv4 commands */
100enum {
101 NLBL_CIPSOV4_C_UNSPEC,
Paul Moored15c3452006-08-03 16:48:37 -0700102 NLBL_CIPSOV4_C_ADD,
103 NLBL_CIPSOV4_C_REMOVE,
104 NLBL_CIPSOV4_C_LIST,
105 NLBL_CIPSOV4_C_LISTALL,
106 __NLBL_CIPSOV4_C_MAX,
107};
108#define NLBL_CIPSOV4_C_MAX (__NLBL_CIPSOV4_C_MAX - 1)
109
Paul Moorefd385852006-09-25 15:56:37 -0700110/* NetLabel CIPSOv4 attributes */
111enum {
112 NLBL_CIPSOV4_A_UNSPEC,
113 NLBL_CIPSOV4_A_DOI,
114 /* (NLA_U32)
115 * the DOI value */
116 NLBL_CIPSOV4_A_MTYPE,
117 /* (NLA_U32)
118 * the mapping table type (defined in the cipso_ipv4.h header as
119 * CIPSO_V4_MAP_*) */
120 NLBL_CIPSOV4_A_TAG,
121 /* (NLA_U8)
122 * a CIPSO tag type, meant to be used within a NLBL_CIPSOV4_A_TAGLST
123 * attribute */
124 NLBL_CIPSOV4_A_TAGLST,
125 /* (NLA_NESTED)
126 * the CIPSO tag list for the DOI, there must be at least one
127 * NLBL_CIPSOV4_A_TAG attribute, tags listed first are given higher
128 * priorirty when sending packets */
129 NLBL_CIPSOV4_A_MLSLVLLOC,
130 /* (NLA_U32)
131 * the local MLS sensitivity level */
132 NLBL_CIPSOV4_A_MLSLVLREM,
133 /* (NLA_U32)
134 * the remote MLS sensitivity level */
135 NLBL_CIPSOV4_A_MLSLVL,
136 /* (NLA_NESTED)
137 * a MLS sensitivity level mapping, must contain only one attribute of
138 * each of the following types: NLBL_CIPSOV4_A_MLSLVLLOC and
139 * NLBL_CIPSOV4_A_MLSLVLREM */
140 NLBL_CIPSOV4_A_MLSLVLLST,
141 /* (NLA_NESTED)
142 * the CIPSO level mappings, there must be at least one
143 * NLBL_CIPSOV4_A_MLSLVL attribute */
144 NLBL_CIPSOV4_A_MLSCATLOC,
145 /* (NLA_U32)
146 * the local MLS category */
147 NLBL_CIPSOV4_A_MLSCATREM,
148 /* (NLA_U32)
149 * the remote MLS category */
150 NLBL_CIPSOV4_A_MLSCAT,
151 /* (NLA_NESTED)
152 * a MLS category mapping, must contain only one attribute of each of
153 * the following types: NLBL_CIPSOV4_A_MLSCATLOC and
154 * NLBL_CIPSOV4_A_MLSCATREM */
155 NLBL_CIPSOV4_A_MLSCATLST,
156 /* (NLA_NESTED)
157 * the CIPSO category mappings, there must be at least one
158 * NLBL_CIPSOV4_A_MLSCAT attribute */
159 __NLBL_CIPSOV4_A_MAX,
160};
161#define NLBL_CIPSOV4_A_MAX (__NLBL_CIPSOV4_A_MAX - 1)
162
Paul Moored15c3452006-08-03 16:48:37 -0700163/* NetLabel protocol functions */
164int netlbl_cipsov4_genl_init(void);
165
Paul Mooreeda61d32008-02-04 22:29:47 -0800166/* Free the memory associated with a CIPSOv4 DOI definition */
167void netlbl_cipsov4_doi_free(struct rcu_head *entry);
168
Paul Moored15c3452006-08-03 16:48:37 -0700169#endif