security/selinux/include/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
  42 void selinux_netlbl_err(struct sk_buff *skb, int error, int gateway);
  43
  44 void selinux_netlbl_sk_security_reset(struct sk_security_struct *ssec,
  45                                       int family);
  46
  47 int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
  48                                  u16 family,
  49                                  u32 *type,
  50                                  u32 *sid);
  51 int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
  52                                  u16 family,
  53                                  u32 sid);
  54
  55 void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock);
  56 int selinux_netlbl_socket_post_create(struct socket *sock);
  57 int selinux_netlbl_inode_permission(struct inode *inode, int mask);
  58 int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
  59                                 struct sk_buff *skb,
  60                                 u16 family,
  61                                 struct avc_audit_data *ad);
  62 int selinux_netlbl_socket_setsockopt(struct socket *sock,
  63                                      int level,
  64                                      int optname);
  65 #else
  66 static inline void selinux_netlbl_cache_invalidate(void)
  67 {
  68         return;
  69 }
  70
  71 static inline void selinux_netlbl_err(struct sk_buff *skb,
  72                                       int error,
  73                                       int gateway)
  74 {
  75         return;
  76 }
  77
  78 static inline void selinux_netlbl_sk_security_reset(
  79                                                struct sk_security_struct *ssec,
  80                                                int family)
  81 {
  82         return;
  83 }
  84
  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 }
  94 static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
  95                                                u16 family,
  96                                                u32 sid)
  97 {
  98         return 0;
  99 }
 100
 101 static inline void selinux_netlbl_sock_graft(struct sock *sk,
 102                                              struct socket *sock)
 103 {
 104         return;
 105 }
 106 static inline int selinux_netlbl_socket_post_create(struct socket *sock)
 107 {
 108         return 0;
 109 }
 110 static inline int selinux_netlbl_inode_permission(struct inode *inode,
 111                                                   int mask)
 112 {
 113         return 0;
 114 }
 115 static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
 116                                               struct sk_buff *skb,
 117                                               u16 family,
 118                                               struct avc_audit_data *ad)
 119 {
 120         return 0;
 121 }
 122 static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
 123                                                    int level,
 124                                                    int optname)
 125 {
 126         return 0;
 127 }
 128 #endif /* CONFIG_NETLABEL */
 129
 130 #endif