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d15c345f PM |
1 | /* |
2 | * NetLabel Unlabeled Support | |
3 | * | |
4 | * This file defines functions for dealing with unlabeled packets for the | |
5 | * NetLabel system. The NetLabel system manages static and dynamic label | |
6 | * mappings for network 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_UNLABELED_H | |
32 | #define _NETLABEL_UNLABELED_H | |
33 | ||
34 | #include <net/netlabel.h> | |
35 | ||
36 | /* | |
37 | * The following NetLabel payloads are supported by the Unlabeled subsystem. | |
38 | * | |
d15c345f PM |
39 | * o ACCEPT |
40 | * This message is sent from an application to specify if the kernel should | |
41 | * allow unlabled packets to pass if they do not match any of the static | |
42 | * mappings defined in the unlabeled module. | |
43 | * | |
fd385855 | 44 | * Required attributes: |
d15c345f | 45 | * |
fd385855 | 46 | * NLBL_UNLABEL_A_ACPTFLG |
d15c345f PM |
47 | * |
48 | * o LIST | |
49 | * This message can be sent either from an application or by the kernel in | |
50 | * response to an application generated LIST message. When sent by an | |
51 | * application there is no payload. The kernel should respond to a LIST | |
fd385855 | 52 | * message with a LIST message on success. |
d15c345f | 53 | * |
fd385855 | 54 | * Required attributes: |
d15c345f | 55 | * |
fd385855 | 56 | * NLBL_UNLABEL_A_ACPTFLG |
d15c345f PM |
57 | * |
58 | */ | |
59 | ||
60 | /* NetLabel Unlabeled commands */ | |
61 | enum { | |
62 | NLBL_UNLABEL_C_UNSPEC, | |
d15c345f PM |
63 | NLBL_UNLABEL_C_ACCEPT, |
64 | NLBL_UNLABEL_C_LIST, | |
65 | __NLBL_UNLABEL_C_MAX, | |
66 | }; | |
67 | #define NLBL_UNLABEL_C_MAX (__NLBL_UNLABEL_C_MAX - 1) | |
68 | ||
fd385855 PM |
69 | /* NetLabel Unlabeled attributes */ |
70 | enum { | |
71 | NLBL_UNLABEL_A_UNSPEC, | |
72 | NLBL_UNLABEL_A_ACPTFLG, | |
73 | /* (NLA_U8) | |
74 | * if true then unlabeled packets are allowed to pass, else unlabeled | |
75 | * packets are rejected */ | |
76 | __NLBL_UNLABEL_A_MAX, | |
77 | }; | |
78 | #define NLBL_UNLABEL_A_MAX (__NLBL_UNLABEL_A_MAX - 1) | |
79 | ||
d15c345f PM |
80 | /* NetLabel protocol functions */ |
81 | int netlbl_unlabel_genl_init(void); | |
82 | ||
83 | /* Process Unlabeled incoming network packets */ | |
84 | int netlbl_unlabel_getattr(struct netlbl_lsm_secattr *secattr); | |
85 | ||
86 | /* Set the default configuration to allow Unlabeled packets */ | |
87 | int netlbl_unlabel_defconf(void); | |
88 | ||
89 | #endif |