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, see <http://www.gnu.org/licenses/>.
  23  *
  24  */
  25
  26 #ifndef _SELINUX_NETLABEL_H_
  27 #define _SELINUX_NETLABEL_H_
  28
  29 #include <linux/types.h>
  30 #include <linux/fs.h>
  31 #include <linux/net.h>
  32 #include <linux/skbuff.h>
  33 #include <net/sock.h>
  34 #include <net/request_sock.h>
  35 #include <net/sctp/structs.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 int selinux_netlbl_sctp_assoc_request(struct sctp_endpoint *ep,
  57                                      struct sk_buff *skb);
  58 int selinux_netlbl_inet_conn_request(struct request_sock *req, u16 family);
  59 void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family);
  60 void selinux_netlbl_sctp_sk_clone(struct sock *sk, struct sock *newsk);
  61 int selinux_netlbl_socket_post_create(struct sock *sk, u16 family);
  62 int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
  63                                 struct sk_buff *skb,
  64                                 u16 family,
  65                                 struct common_audit_data *ad);
  66 int selinux_netlbl_socket_setsockopt(struct socket *sock,
  67                                      int level,
  68                                      int optname);
  69 int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr);
  70 int selinux_netlbl_socket_connect_locked(struct sock *sk,
  71                                          struct sockaddr *addr);
  72
  73 #else
  74 static inline void selinux_netlbl_cache_invalidate(void)
  75 {
  76         return;
  77 }
  78
  79 static inline void selinux_netlbl_err(struct sk_buff *skb,
  80                                       u16 family,
  81                                       int error,
  82                                       int gateway)
  83 {
  84         return;
  85 }
  86
  87 static inline void selinux_netlbl_sk_security_free(
  88                                                struct sk_security_struct *sksec)
  89 {
  90         return;
  91 }
  92
  93 static inline void selinux_netlbl_sk_security_reset(
  94                                                struct sk_security_struct *sksec)
  95 {
  96         return;
  97 }
  98
  99 static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
 100                                                u16 family,
 101                                                u32 *type,
 102                                                u32 *sid)
 103 {
 104         *type = NETLBL_NLTYPE_NONE;
 105         *sid = SECSID_NULL;
 106         return 0;
 107 }
 108 static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
 109                                                u16 family,
 110                                                u32 sid)
 111 {
 112         return 0;
 113 }
 114
 115 static inline int selinux_netlbl_conn_setsid(struct sock *sk,
 116                                              struct sockaddr *addr)
 117 {
 118         return 0;
 119 }
 120
 121 static inline int selinux_netlbl_sctp_assoc_request(struct sctp_endpoint *ep,
 122                                                     struct sk_buff *skb)
 123 {
 124         return 0;
 125 }
 126 static inline int selinux_netlbl_inet_conn_request(struct request_sock *req,
 127                                                    u16 family)
 128 {
 129         return 0;
 130 }
 131 static inline void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family)
 132 {
 133         return;
 134 }
 135 static inline void selinux_netlbl_sctp_sk_clone(struct sock *sk,
 136                                                 struct sock *newsk)
 137 {
 138         return;
 139 }
 140 static inline int selinux_netlbl_socket_post_create(struct sock *sk,
 141                                                     u16 family)
 142 {
 143         return 0;
 144 }
 145 static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
 146                                               struct sk_buff *skb,
 147                                               u16 family,
 148                                               struct common_audit_data *ad)
 149 {
 150         return 0;
 151 }
 152 static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
 153                                                    int level,
 154                                                    int optname)
 155 {
 156         return 0;
 157 }
 158 static inline int selinux_netlbl_socket_connect(struct sock *sk,
 159                                                 struct sockaddr *addr)
 160 {
 161         return 0;
 162 }
 163 static inline int selinux_netlbl_socket_connect_locked(struct sock *sk,
 164                                                        struct sockaddr *addr)
 165 {
 166         return 0;
 167 }
 168 #endif /* CONFIG_NETLABEL */
 169
 170 #endif