1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * SELinux interface to the NetLabel subsystem
4 *
5 * Author: Paul Moore <paul@paul-moore.com>
6 */
7
8 /*
9 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
10 */
11
12 #ifndef _SELINUX_NETLABEL_H_
13 #define _SELINUX_NETLABEL_H_
14
15 #include <linux/types.h>
16 #include <linux/fs.h>
17 #include <linux/net.h>
18 #include <linux/skbuff.h>
19 #include <net/sock.h>
20 #include <net/request_sock.h>
21 #include <net/sctp/structs.h>
22
23 #include "avc.h"
24 #include "objsec.h"
25
26 #ifdef CONFIG_NETLABEL
27 void selinux_netlbl_cache_invalidate(void);
28
29 void selinux_netlbl_err(struct sk_buff *skb, u16 family, int error,
30 int gateway);
31
32 void selinux_netlbl_sk_security_free(struct sk_security_struct *sksec);
33 void selinux_netlbl_sk_security_reset(struct sk_security_struct *sksec);
34
35 int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
36 u16 family,
37 u32 *type,
38 u32 *sid);
39 int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
40 u16 family,
41 u32 sid);
42 int selinux_netlbl_sctp_assoc_request(struct sctp_association *asoc,
43 struct sk_buff *skb);
44 int selinux_netlbl_inet_conn_request(struct request_sock *req, u16 family);
45 void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family);
46 void selinux_netlbl_sctp_sk_clone(struct sock *sk, struct sock *newsk);
47 int selinux_netlbl_socket_post_create(struct sock *sk, u16 family);
48 int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
49 struct sk_buff *skb,
50 u16 family,
51 struct common_audit_data *ad);
52 int selinux_netlbl_socket_setsockopt(struct socket *sock,
53 int level,
54 int optname);
55 int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr);
56 int selinux_netlbl_socket_connect_locked(struct sock *sk,
57 struct sockaddr *addr);
58
59 #else
selinux_netlbl_cache_invalidate(void)60 static inline void selinux_netlbl_cache_invalidate(void)
61 {
62 return;
63 }
64
selinux_netlbl_err(struct sk_buff * skb,u16 family,int error,int gateway)65 static inline void selinux_netlbl_err(struct sk_buff *skb,
66 u16 family,
67 int error,
68 int gateway)
69 {
70 return;
71 }
72
selinux_netlbl_sk_security_free(struct sk_security_struct * sksec)73 static inline void selinux_netlbl_sk_security_free(
74 struct sk_security_struct *sksec)
75 {
76 return;
77 }
78
selinux_netlbl_sk_security_reset(struct sk_security_struct * sksec)79 static inline void selinux_netlbl_sk_security_reset(
80 struct sk_security_struct *sksec)
81 {
82 return;
83 }
84
selinux_netlbl_skbuff_getsid(struct sk_buff * skb,u16 family,u32 * type,u32 * sid)85 static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
86 u16 family,
87 u32 *type,
88 u32 *sid)
89 {
90 *type = NETLBL_NLTYPE_NONE;
91 *sid = SECSID_NULL;
92 return 0;
93 }
selinux_netlbl_skbuff_setsid(struct sk_buff * skb,u16 family,u32 sid)94 static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
95 u16 family,
96 u32 sid)
97 {
98 return 0;
99 }
100
selinux_netlbl_sctp_assoc_request(struct sctp_association * asoc,struct sk_buff * skb)101 static inline int selinux_netlbl_sctp_assoc_request(struct sctp_association *asoc,
102 struct sk_buff *skb)
103 {
104 return 0;
105 }
selinux_netlbl_inet_conn_request(struct request_sock * req,u16 family)106 static inline int selinux_netlbl_inet_conn_request(struct request_sock *req,
107 u16 family)
108 {
109 return 0;
110 }
selinux_netlbl_inet_csk_clone(struct sock * sk,u16 family)111 static inline void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family)
112 {
113 return;
114 }
selinux_netlbl_sctp_sk_clone(struct sock * sk,struct sock * newsk)115 static inline void selinux_netlbl_sctp_sk_clone(struct sock *sk,
116 struct sock *newsk)
117 {
118 return;
119 }
selinux_netlbl_socket_post_create(struct sock * sk,u16 family)120 static inline int selinux_netlbl_socket_post_create(struct sock *sk,
121 u16 family)
122 {
123 return 0;
124 }
selinux_netlbl_sock_rcv_skb(struct sk_security_struct * sksec,struct sk_buff * skb,u16 family,struct common_audit_data * ad)125 static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
126 struct sk_buff *skb,
127 u16 family,
128 struct common_audit_data *ad)
129 {
130 return 0;
131 }
selinux_netlbl_socket_setsockopt(struct socket * sock,int level,int optname)132 static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
133 int level,
134 int optname)
135 {
136 return 0;
137 }
selinux_netlbl_socket_connect(struct sock * sk,struct sockaddr * addr)138 static inline int selinux_netlbl_socket_connect(struct sock *sk,
139 struct sockaddr *addr)
140 {
141 return 0;
142 }
selinux_netlbl_socket_connect_locked(struct sock * sk,struct sockaddr * addr)143 static inline int selinux_netlbl_socket_connect_locked(struct sock *sk,
144 struct sockaddr *addr)
145 {
146 return 0;
147 }
148 #endif /* CONFIG_NETLABEL */
149
150 #endif
151