security/selinux/include/netlabel.h

   1 /*
   2  * SELinux interface to the NetLabel subsystem
   3  *
   4  * Author: Paul Moore <paul@paul-moore.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 #include <net/request_sock.h>
  36
  37 #include "avc.h"
  38 #include "objsec.h"
  39
  40 #ifdef CONFIG_NETLABEL
  41 void selinux_netlbl_cache_invalidate(void);
  42
  43 void selinux_netlbl_err(struct sk_buff *skb, u16 family, int error,
  44                         int gateway);
  45
  46 void selinux_netlbl_sk_security_free(struct sk_security_struct *sksec);
  47 void selinux_netlbl_sk_security_reset(struct sk_security_struct *sksec);
  48
  49 int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
  50                                  u16 family,
  51                                  u32 *type,
  52                                  u32 *sid);
  53 int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
  54                                  u16 family,
  55                                  u32 sid);
  56
  57 int selinux_netlbl_inet_conn_request(struct request_sock *req, u16 family);
  58 void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family);
  59 int selinux_netlbl_socket_post_create(struct sock *sk, u16 family);
  60 int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
  61                                 struct sk_buff *skb,
  62                                 u16 family,
  63                                 struct common_audit_data *ad);
  64 int selinux_netlbl_socket_setsockopt(struct socket *sock,
  65                                      int level,
  66                                      int optname);
  67 int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr);
  68
  69 #else
  70 static inline void selinux_netlbl_cache_invalidate(void)
  71 {
  72         return;
  73 }
  74
  75 static inline void selinux_netlbl_err(struct sk_buff *skb,
  76                                       u16 family,
  77                                       int error,
  78                                       int gateway)
  79 {
  80         return;
  81 }
  82
  83 static inline void selinux_netlbl_sk_security_free(
  84                                                struct sk_security_struct *sksec)
  85 {
  86         return;
  87 }
  88
  89 static inline void selinux_netlbl_sk_security_reset(
  90                                                struct sk_security_struct *sksec)
  91 {
  92         return;
  93 }
  94
  95 static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
  96                                                u16 family,
  97                                                u32 *type,
  98                                                u32 *sid)
  99 {
 100         *type = NETLBL_NLTYPE_NONE;
 101         *sid = SECSID_NULL;
 102         return 0;
 103 }
 104 static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
 105                                                u16 family,
 106                                                u32 sid)
 107 {
 108         return 0;
 109 }
 110
 111 static inline int selinux_netlbl_conn_setsid(struct sock *sk,
 112                                              struct sockaddr *addr)
 113 {
 114         return 0;
 115 }
 116
 117 static inline int selinux_netlbl_inet_conn_request(struct request_sock *req,
 118                                                    u16 family)
 119 {
 120         return 0;
 121 }
 122 static inline void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family)
 123 {
 124         return;
 125 }
 126 static inline int selinux_netlbl_socket_post_create(struct sock *sk,
 127                                                     u16 family)
 128 {
 129         return 0;
 130 }
 131 static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
 132                                               struct sk_buff *skb,
 133                                               u16 family,
 134                                               struct common_audit_data *ad)
 135 {
 136         return 0;
 137 }
 138 static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
 139                                                    int level,
 140                                                    int optname)
 141 {
 142         return 0;
 143 }
 144 static inline int selinux_netlbl_socket_connect(struct sock *sk,
 145                                                 struct sockaddr *addr)
 146 {
 147         return 0;
 148 }
 149 #endif /* CONFIG_NETLABEL */
 150
 151 #endif