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 keycreate_sid; /* keycreate SID */
36 u32 sockcreate_sid; /* fscreate SID */
37 u32 ptrace_sid; /* SID of ptrace parent */
40 struct inode_security_struct {
41 struct inode *inode; /* back pointer to inode object */
42 struct list_head list; /* list of inode_security_struct */
43 u32 task_sid; /* SID of creating task */
44 u32 sid; /* SID of this object */
45 u16 sclass; /* security class of this object */
46 unsigned char initialized; /* initialization flag */
48 unsigned char inherit; /* inherit SID from parent entry */
51 struct file_security_struct {
52 struct file *file; /* back pointer to file object */
53 u32 sid; /* SID of open file description */
54 u32 fown_sid; /* SID of file owner (for SIGIO) */
57 struct superblock_security_struct {
58 struct super_block *sb; /* back pointer to sb object */
59 struct list_head list; /* list of superblock_security_struct */
60 u32 sid; /* SID of file system */
61 u32 def_sid; /* default SID for labeling */
62 unsigned int behavior; /* labeling behavior */
63 unsigned char initialized; /* initialization flag */
64 unsigned char proc; /* proc fs */
66 struct list_head isec_head;
70 struct msg_security_struct {
71 struct msg_msg *msg; /* back pointer */
72 u32 sid; /* SID of message */
75 struct ipc_security_struct {
76 struct kern_ipc_perm *ipc_perm; /* back pointer */
77 u16 sclass; /* security class of this object */
78 u32 sid; /* SID of IPC resource */
81 struct bprm_security_struct {
82 struct linux_binprm *bprm; /* back pointer to bprm object */
83 u32 sid; /* SID for transformed process */
87 * unsafe is used to share failure information from bprm_apply_creds()
88 * to bprm_post_apply_creds().
93 struct netif_security_struct {
94 struct net_device *dev; /* back pointer */
95 u32 if_sid; /* SID for this interface */
96 u32 msg_sid; /* default SID for messages received on this interface */
99 struct sk_security_struct {
100 struct sock *sk; /* back pointer to sk object */
101 u32 peer_sid; /* SID of peer */
104 struct key_security_struct {
105 struct key *obj; /* back pointer */
106 u32 sid; /* SID of key */
109 extern unsigned int selinux_checkreqprot;
111 #endif /* _SELINUX_OBJSEC_H_ */