security/selinux/include/selinux_netlabel.h

   1 /*
   2  * SELinux interface to the NetLabel subsystem
   3  *
   4  * Author : Paul Moore <paul.moore@hp.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, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  24  *
  25  */
  26
  27 #ifndef _SELINUX_NETLABEL_H_
  28 #define _SELINUX_NETLABEL_H_
  29
  30 #include <linux/types.h>
  31 #include <linux/fs.h>
  32 #include <linux/net.h>
  33 #include <linux/skbuff.h>
  34 #include <net/sock.h>
  35
  36 #include "avc.h"
  37 #include "objsec.h"
  38
  39 #ifdef CONFIG_NETLABEL
  40 void selinux_netlbl_cache_invalidate(void);
  41 int selinux_netlbl_skbuff_getsid(struct sk_buff *skb, u32 base_sid, u32 *sid);
  42 int selinux_netlbl_socket_post_create(struct socket *sock);
  43 void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock);
  44 int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
  45                                 struct sk_buff *skb,
  46                                 struct avc_audit_data *ad);
  47 void selinux_netlbl_sk_security_reset(struct sk_security_struct *ssec,
  48                                       int family);
  49 void selinux_netlbl_sk_security_init(struct sk_security_struct *ssec,
  50                                      int family);
  51 void selinux_netlbl_sk_security_clone(struct sk_security_struct *ssec,
  52                                       struct sk_security_struct *newssec);
  53 int selinux_netlbl_inode_permission(struct inode *inode, int mask);
  54 int selinux_netlbl_socket_setsockopt(struct socket *sock,
  55                                      int level,
  56                                      int optname);
  57 #else
  58 static inline void selinux_netlbl_cache_invalidate(void)
  59 {
  60         return;
  61 }
  62
  63 static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
  64                                                u32 base_sid,
  65                                                u32 *sid)
  66 {
  67         *sid = SECSID_NULL;
  68         return 0;
  69 }
  70
  71 static inline int selinux_netlbl_socket_post_create(struct socket *sock)
  72 {
  73         return 0;
  74 }
  75
  76 static inline void selinux_netlbl_sock_graft(struct sock *sk,
  77                                              struct socket *sock)
  78 {
  79         return;
  80 }
  81
  82 static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
  83                                               struct sk_buff *skb,
  84                                               struct avc_audit_data *ad)
  85 {
  86         return 0;
  87 }
  88
  89 static inline void selinux_netlbl_sk_security_reset(
  90                                                struct sk_security_struct *ssec,
  91                                                int family)
  92 {
  93         return;
  94 }
  95
  96 static inline void selinux_netlbl_sk_security_init(
  97                                                struct sk_security_struct *ssec,
  98                                                int family)
  99 {
 100         return;
 101 }
 102
 103 static inline void selinux_netlbl_sk_security_clone(
 104                                            struct sk_security_struct *ssec,
 105                                            struct sk_security_struct *newssec)
 106 {
 107         return;
 108 }
 109
 110 static inline int selinux_netlbl_inode_permission(struct inode *inode,
 111                                                   int mask)
 112 {
 113         return 0;
 114 }
 115
 116 static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
 117                                                    int level,
 118                                                    int optname)
 119 {
 120         return 0;
 121 }
 122 #endif /* CONFIG_NETLABEL */
 123
 124 #endif