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   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_inet_conn_established(struct sock *sk, u16 family);
  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 int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr);
  66
  67 #else
  68 static inline void selinux_netlbl_cache_invalidate(void)
  69 {
  70         return;
  71 }
  72
  73 static inline void selinux_netlbl_err(struct sk_buff *skb,
  74                                       int error,
  75                                       int gateway)
  76 {
  77         return;
  78 }
  79
  80 static inline void selinux_netlbl_sk_security_reset(
  81                                                struct sk_security_struct *ssec,
  82                                                int family)
  83 {
  84         return;
  85 }
  86
  87 static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
  88                                                u16 family,
  89                                                u32 *type,
  90                                                u32 *sid)
  91 {
  92         *type = NETLBL_NLTYPE_NONE;
  93         *sid = SECSID_NULL;
  94         return 0;
  95 }
  96 static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
  97                                                u16 family,
  98                                                u32 sid)
  99 {
 100         return 0;
 101 }
 102
 103 static inline int selinux_netlbl_conn_setsid(struct sock *sk,
 104                                              struct sockaddr *addr)
 105 {
 106         return 0;
 107 }
 108
 109 static inline void selinux_netlbl_inet_conn_established(struct sock *sk,
 110                                                         u16 family)
 111 {
 112         return;
 113 }
 114 static inline int selinux_netlbl_socket_post_create(struct socket *sock)
 115 {
 116         return 0;
 117 }
 118 static inline int selinux_netlbl_inode_permission(struct inode *inode,
 119                                                   int mask)
 120 {
 121         return 0;
 122 }
 123 static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
 124                                               struct sk_buff *skb,
 125                                               u16 family,
 126                                               struct avc_audit_data *ad)
 127 {
 128         return 0;
 129 }
 130 static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
 131                                                    int level,
 132                                                    int optname)
 133 {
 134         return 0;
 135 }
 136 static inline int selinux_netlbl_socket_connect(struct sock *sk,
 137                                                 struct sockaddr *addr)
 138 {
 139         return 0;
 140 }
 141 #endif /* CONFIG_NETLABEL */
 142
 143 #endif