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1/*
2 * SELinux interface to the NetLabel subsystem
3 *
4 * Author: Paul Moore <paul@paul-moore.com>
5 *
6 */
7
8/*
9 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
19 * the GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 *
24 */
25
26#ifndef _SELINUX_NETLABEL_H_
27#define _SELINUX_NETLABEL_H_
28
29#include <linux/types.h>
30#include <linux/fs.h>
31#include <linux/net.h>
32#include <linux/skbuff.h>
33#include <net/sock.h>
34#include <net/request_sock.h>
35#include <net/sctp/structs.h>
36
37#include "avc.h"
38#include "objsec.h"
39
40#ifdef CONFIG_NETLABEL
41void selinux_netlbl_cache_invalidate(void);
42
43void selinux_netlbl_err(struct sk_buff *skb, u16 family, int error,
44 int gateway);
45
46void selinux_netlbl_sk_security_free(struct sk_security_struct *sksec);
47void selinux_netlbl_sk_security_reset(struct sk_security_struct *sksec);
48
49int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
50 u16 family,
51 u32 *type,
52 u32 *sid);
53int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
54 u16 family,
55 u32 sid);
56int selinux_netlbl_sctp_assoc_request(struct sctp_endpoint *ep,
57 struct sk_buff *skb);
58int selinux_netlbl_inet_conn_request(struct request_sock *req, u16 family);
59void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family);
60void selinux_netlbl_sctp_sk_clone(struct sock *sk, struct sock *newsk);
61int selinux_netlbl_socket_post_create(struct sock *sk, u16 family);
62int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
63 struct sk_buff *skb,
64 u16 family,
65 struct common_audit_data *ad);
66int selinux_netlbl_socket_setsockopt(struct socket *sock,
67 int level,
68 int optname);
69int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr);
70int selinux_netlbl_socket_connect_locked(struct sock *sk,
71 struct sockaddr *addr);
72
73#else
74static inline void selinux_netlbl_cache_invalidate(void)
75{
76 return;
77}
78
79static inline void selinux_netlbl_err(struct sk_buff *skb,
80 u16 family,
81 int error,
82 int gateway)
83{
84 return;
85}
86
87static inline void selinux_netlbl_sk_security_free(
88 struct sk_security_struct *sksec)
89{
90 return;
91}
92
93static inline void selinux_netlbl_sk_security_reset(
94 struct sk_security_struct *sksec)
95{
96 return;
97}
98
99static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
100 u16 family,
101 u32 *type,
102 u32 *sid)
103{
104 *type = NETLBL_NLTYPE_NONE;
105 *sid = SECSID_NULL;
106 return 0;
107}
108static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
109 u16 family,
110 u32 sid)
111{
112 return 0;
113}
114
115static inline int selinux_netlbl_conn_setsid(struct sock *sk,
116 struct sockaddr *addr)
117{
118 return 0;
119}
120
121static inline int selinux_netlbl_sctp_assoc_request(struct sctp_endpoint *ep,
122 struct sk_buff *skb)
123{
124 return 0;
125}
126static inline int selinux_netlbl_inet_conn_request(struct request_sock *req,
127 u16 family)
128{
129 return 0;
130}
131static inline void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family)
132{
133 return;
134}
135static inline void selinux_netlbl_sctp_sk_clone(struct sock *sk,
136 struct sock *newsk)
137{
138 return;
139}
140static inline int selinux_netlbl_socket_post_create(struct sock *sk,
141 u16 family)
142{
143 return 0;
144}
145static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
146 struct sk_buff *skb,
147 u16 family,
148 struct common_audit_data *ad)
149{
150 return 0;
151}
152static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
153 int level,
154 int optname)
155{
156 return 0;
157}
158static inline int selinux_netlbl_socket_connect(struct sock *sk,
159 struct sockaddr *addr)
160{
161 return 0;
162}
163static inline int selinux_netlbl_socket_connect_locked(struct sock *sk,
164 struct sockaddr *addr)
165{
166 return 0;
167}
168#endif /* CONFIG_NETLABEL */
169
170#endif