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_sk_security_reset(struct sk_security_struct *ssec,
  43                                       int family);
  44 void selinux_netlbl_sk_security_init(struct sk_security_struct *ssec,
  45                                      int family);
  46 void selinux_netlbl_sk_security_clone(struct sk_security_struct *ssec,
  47                                       struct sk_security_struct *newssec);
  48
  49 int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
  50                                  u16 family,
  51                                  u32 *type,
  52                                  u32 *sid);
  53
  54 void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock);
  55 int selinux_netlbl_socket_post_create(struct socket *sock);
  56 int selinux_netlbl_inode_permission(struct inode *inode, int mask);
  57 int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
  58                                 struct sk_buff *skb,
  59                                 u16 family,
  60                                 struct avc_audit_data *ad);
  61 int selinux_netlbl_socket_setsockopt(struct socket *sock,
  62                                      int level,
  63                                      int optname);
  64 #else
  65 static inline void selinux_netlbl_cache_invalidate(void)
  66 {
  67         return;
  68 }
  69
  70 static inline void selinux_netlbl_sk_security_reset(
  71                                                struct sk_security_struct *ssec,
  72                                                int family)
  73 {
  74         return;
  75 }
  76 static inline void selinux_netlbl_sk_security_init(
  77                                                struct sk_security_struct *ssec,
  78                                                int family)
  79 {
  80         return;
  81 }
  82 static inline void selinux_netlbl_sk_security_clone(
  83                                             struct sk_security_struct *ssec,
  84                                             struct sk_security_struct *newssec)
  85 {
  86         return;
  87 }
  88
  89 static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
  90                                                u16 family,
  91                                                u32 *type,
  92                                                u32 *sid)
  93 {
  94         *type = NETLBL_NLTYPE_NONE;
  95         *sid = SECSID_NULL;
  96         return 0;
  97 }
  98
  99 static inline void selinux_netlbl_sock_graft(struct sock *sk,
 100                                              struct socket *sock)
 101 {
 102         return;
 103 }
 104 static inline int selinux_netlbl_socket_post_create(struct socket *sock)
 105 {
 106         return 0;
 107 }
 108 static inline int selinux_netlbl_inode_permission(struct inode *inode,
 109                                                   int mask)
 110 {
 111         return 0;
 112 }
 113 static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
 114                                               struct sk_buff *skb,
 115                                               u16 family,
 116                                               struct avc_audit_data *ad)
 117 {
 118         return 0;
 119 }
 120 static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
 121                                                    int level,
 122                                                    int optname)
 123 {
 124         return 0;
 125 }
 126 #endif /* CONFIG_NETLABEL */
 127
 128 #endif