Merge tag 'selinux-pr-20180130' of git://git.kernel.org/pub/scm/linux/kernel/git...
[sfrench/cifs-2.6.git] / security / selinux / include / netlabel.h
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
36 #include "avc.h"
37 #include "objsec.h"
38
39 #ifdef CONFIG_NETLABEL
40 void selinux_netlbl_cache_invalidate(void);
41
42 void selinux_netlbl_err(struct sk_buff *skb, u16 family, int error,
43                         int gateway);
44
45 void selinux_netlbl_sk_security_free(struct sk_security_struct *sksec);
46 void selinux_netlbl_sk_security_reset(struct sk_security_struct *sksec);
47
48 int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
49                                  u16 family,
50                                  u32 *type,
51                                  u32 *sid);
52 int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
53                                  u16 family,
54                                  u32 sid);
55
56 int selinux_netlbl_inet_conn_request(struct request_sock *req, u16 family);
57 void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family);
58 int selinux_netlbl_socket_post_create(struct sock *sk, u16 family);
59 int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
60                                 struct sk_buff *skb,
61                                 u16 family,
62                                 struct common_audit_data *ad);
63 int selinux_netlbl_socket_setsockopt(struct socket *sock,
64                                      int level,
65                                      int optname);
66 int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr);
67
68 #else
69 static inline void selinux_netlbl_cache_invalidate(void)
70 {
71         return;
72 }
73
74 static inline void selinux_netlbl_err(struct sk_buff *skb,
75                                       u16 family,
76                                       int error,
77                                       int gateway)
78 {
79         return;
80 }
81
82 static inline void selinux_netlbl_sk_security_free(
83                                                struct sk_security_struct *sksec)
84 {
85         return;
86 }
87
88 static inline void selinux_netlbl_sk_security_reset(
89                                                struct sk_security_struct *sksec)
90 {
91         return;
92 }
93
94 static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
95                                                u16 family,
96                                                u32 *type,
97                                                u32 *sid)
98 {
99         *type = NETLBL_NLTYPE_NONE;
100         *sid = SECSID_NULL;
101         return 0;
102 }
103 static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
104                                                u16 family,
105                                                u32 sid)
106 {
107         return 0;
108 }
109
110 static inline int selinux_netlbl_conn_setsid(struct sock *sk,
111                                              struct sockaddr *addr)
112 {
113         return 0;
114 }
115
116 static inline int selinux_netlbl_inet_conn_request(struct request_sock *req,
117                                                    u16 family)
118 {
119         return 0;
120 }
121 static inline void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family)
122 {
123         return;
124 }
125 static inline int selinux_netlbl_socket_post_create(struct sock *sk,
126                                                     u16 family)
127 {
128         return 0;
129 }
130 static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
131                                               struct sk_buff *skb,
132                                               u16 family,
133                                               struct common_audit_data *ad)
134 {
135         return 0;
136 }
137 static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
138                                                    int level,
139                                                    int optname)
140 {
141         return 0;
142 }
143 static inline int selinux_netlbl_socket_connect(struct sock *sk,
144                                                 struct sockaddr *addr)
145 {
146         return 0;
147 }
148 #endif /* CONFIG_NETLABEL */
149
150 #endif