2 * NSA Security-Enhanced Linux (SELinux) security module
4 * This file contains the SELinux security data structures for kernel objects.
6 * Author(s): Stephen Smalley, <sds@epoch.ncsc.mil>
7 * Chris Vance, <cvance@nai.com>
8 * Wayne Salamon, <wsalamon@nai.com>
9 * James Morris <jmorris@redhat.com>
11 * Copyright (C) 2001,2002 Networks Associates Technology, Inc.
12 * Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com>
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2,
16 * as published by the Free Software Foundation.
18 #ifndef _SELINUX_OBJSEC_H_
19 #define _SELINUX_OBJSEC_H_
21 #include <linux/list.h>
22 #include <linux/sched.h>
24 #include <linux/binfmts.h>
29 struct task_security_struct
{
30 struct task_struct
*task
; /* back pointer to task object */
31 u32 osid
; /* SID prior to last execve */
32 u32 sid
; /* current SID */
33 u32 exec_sid
; /* exec SID */
34 u32 create_sid
; /* fscreate SID */
35 u32 ptrace_sid
; /* SID of ptrace parent */
38 struct inode_security_struct
{
39 struct inode
*inode
; /* back pointer to inode object */
40 struct list_head list
; /* list of inode_security_struct */
41 u32 task_sid
; /* SID of creating task */
42 u32 sid
; /* SID of this object */
43 u16 sclass
; /* security class of this object */
44 unsigned char initialized
; /* initialization flag */
46 unsigned char inherit
; /* inherit SID from parent entry */
49 struct file_security_struct
{
50 struct file
*file
; /* back pointer to file object */
51 u32 sid
; /* SID of open file description */
52 u32 fown_sid
; /* SID of file owner (for SIGIO) */
55 struct superblock_security_struct
{
56 struct super_block
*sb
; /* back pointer to sb object */
57 struct list_head list
; /* list of superblock_security_struct */
58 u32 sid
; /* SID of file system */
59 u32 def_sid
; /* default SID for labeling */
60 unsigned int behavior
; /* labeling behavior */
61 unsigned char initialized
; /* initialization flag */
62 unsigned char proc
; /* proc fs */
64 struct list_head isec_head
;
68 struct msg_security_struct
{
69 struct msg_msg
*msg
; /* back pointer */
70 u32 sid
; /* SID of message */
73 struct ipc_security_struct
{
74 struct kern_ipc_perm
*ipc_perm
; /* back pointer */
75 u16 sclass
; /* security class of this object */
76 u32 sid
; /* SID of IPC resource */
79 struct bprm_security_struct
{
80 struct linux_binprm
*bprm
; /* back pointer to bprm object */
81 u32 sid
; /* SID for transformed process */
85 * unsafe is used to share failure information from bprm_apply_creds()
86 * to bprm_post_apply_creds().
91 struct netif_security_struct
{
92 struct net_device
*dev
; /* back pointer */
93 u32 if_sid
; /* SID for this interface */
94 u32 msg_sid
; /* default SID for messages received on this interface */
97 struct sk_security_struct
{
98 struct sock
*sk
; /* back pointer to sk object */
99 u32 peer_sid
; /* SID of peer */
102 struct key_security_struct
{
103 struct key
*obj
; /* back pointer */
104 u32 sid
; /* SID of key */
107 extern unsigned int selinux_checkreqprot
;
109 #endif /* _SELINUX_OBJSEC_H_ */