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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_free(struct sk_security_struct *ssec);
  45 void selinux_netlbl_sk_security_reset(struct sk_security_struct *ssec,
  46                                       int family);
  47
  48 int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
  49                                  u16 family,
  50                                  u32 *type,
  51                                  u32 *sid);
  52 int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
  53                                  u16 family,
  54                                  u32 sid);
  55
  56 void selinux_netlbl_inet_conn_established(struct sock *sk, u16 family);
  57 int selinux_netlbl_socket_post_create(struct socket *sock);
  58 int selinux_netlbl_inode_permission(struct inode *inode, int mask);
  59 int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
  60                                 struct sk_buff *skb,
  61                                 u16 family,
  62                                 struct avc_audit_data *ad);
  63 int selinux_netlbl_socket_setsockopt(struct socket *sock,
  64                                      int level,
  65                                      int optname);
  66 int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr);
  67
  68 #else
  69 static inline void selinux_netlbl_cache_invalidate(void)
  70 {
  71         return;
  72 }
  73
  74 static inline void selinux_netlbl_err(struct sk_buff *skb,
  75                                       int error,
  76                                       int gateway)
  77 {
  78         return;
  79 }
  80
  81 static inline void selinux_netlbl_sk_security_free(
  82                                                struct sk_security_struct *ssec)
  83 {
  84         return;
  85 }
  86
  87 static inline void selinux_netlbl_sk_security_reset(
  88                                                struct sk_security_struct *ssec,
  89                                                int family)
  90 {
  91         return;
  92 }
  93
  94 static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
  95                                                u16 family,
  96                                                u32 *type,
  97                                                u32 *sid)
  98 {
  99         *type = NETLBL_NLTYPE_NONE;
 100         *sid = SECSID_NULL;
 101         return 0;
 102 }
 103 static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
 104                                                u16 family,
 105                                                u32 sid)
 106 {
 107         return 0;
 108 }
 109
 110 static inline int selinux_netlbl_conn_setsid(struct sock *sk,
 111                                              struct sockaddr *addr)
 112 {
 113         return 0;
 114 }
 115
 116 static inline void selinux_netlbl_inet_conn_established(struct sock *sk,
 117                                                         u16 family)
 118 {
 119         return;
 120 }
 121 static inline int selinux_netlbl_socket_post_create(struct socket *sock)
 122 {
 123         return 0;
 124 }
 125 static inline int selinux_netlbl_inode_permission(struct inode *inode,
 126                                                   int mask)
 127 {
 128         return 0;
 129 }
 130 static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
 131                                               struct sk_buff *skb,
 132                                               u16 family,
 133                                               struct avc_audit_data *ad)
 134 {
 135         return 0;
 136 }
 137 static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
 138                                                    int level,
 139                                                    int optname)
 140 {
 141         return 0;
 142 }
 143 static inline int selinux_netlbl_socket_connect(struct sock *sk,
 144                                                 struct sockaddr *addr)
 145 {
 146         return 0;
 147 }
 148 #endif /* CONFIG_NETLABEL */
 149
 150 #endif