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, u16 family, u32 *type,
36 u32 *sid);
37 int selinux_netlbl_skbuff_setsid(struct sk_buff *skb, u16 family, u32 sid);
38 int selinux_netlbl_sctp_assoc_request(struct sctp_association *asoc,
39 struct sk_buff *skb);
40 int selinux_netlbl_inet_conn_request(struct request_sock *req, u16 family);
41 void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family);
42 void selinux_netlbl_sctp_sk_clone(struct sock *sk, struct sock *newsk);
43 int selinux_netlbl_socket_post_create(struct sock *sk, u16 family);
44 int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
45 struct sk_buff *skb, u16 family,
46 struct common_audit_data *ad);
47 int selinux_netlbl_socket_setsockopt(struct socket *sock, int level,
48 int optname);
49 int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr);
50 int selinux_netlbl_socket_connect_locked(struct sock *sk,
51 struct sockaddr *addr);
52
53 #else
54 static inline void selinux_netlbl_cache_invalidate(void)
55 {
56 return;
57 }
58
59 static inline void selinux_netlbl_err(struct sk_buff *skb, u16 family,
60 int error, int gateway)
61 {
62 return;
63 }
64
65 static inline void
66 selinux_netlbl_sk_security_free(struct sk_security_struct *sksec)
67 {
68 return;
69 }
70
71 static inline void
72 selinux_netlbl_sk_security_reset(struct sk_security_struct *sksec)
73 {
74 return;
75 }
76
77 static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb, u16 family,
78 u32 *type, u32 *sid)
79 {
80 *type = NETLBL_NLTYPE_NONE;
81 *sid = SECSID_NULL;
82 return 0;
83 }
84 static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb, u16 family,
85 u32 sid)
86 {
87 return 0;
88 }
89
90 static inline int
91 selinux_netlbl_sctp_assoc_request(struct sctp_association *asoc,
92 struct sk_buff *skb)
93 {
94 return 0;
95 }
96 static inline int selinux_netlbl_inet_conn_request(struct request_sock *req,
97 u16 family)
98 {
99 return 0;
100 }
101 static inline void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family)
102 {
103 return;
104 }
105 static inline void selinux_netlbl_sctp_sk_clone(struct sock *sk,
106 struct sock *newsk)
107 {
108 return;
109 }
110 static inline int selinux_netlbl_socket_post_create(struct sock *sk, u16 family)
111 {
112 return 0;
113 }
114 static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
115 struct sk_buff *skb, u16 family,
116 struct common_audit_data *ad)
117 {
118 return 0;
119 }
120 static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
121 int level, int optname)
122 {
123 return 0;
124 }
125 static inline int selinux_netlbl_socket_connect(struct sock *sk,
126 struct sockaddr *addr)
127 {
128 return 0;
129 }
130 static inline int selinux_netlbl_socket_connect_locked(struct sock *sk,
131 struct sockaddr *addr)
132 {
133 return 0;
134 }
135 #endif /* CONFIG_NETLABEL */
136
137 #endif
138
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