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>
26 #include <linux/spinlock.h>
30 struct task_security_struct {
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 u32 sid; /* SID of open file description */
53 u32 fown_sid; /* SID of file owner (for SIGIO) */
54 u32 isid; /* SID of inode at the time of file open */
55 u32 pseqno; /* Policy seqno at the time of file open */
58 struct superblock_security_struct {
59 struct super_block *sb; /* back pointer to sb object */
60 struct list_head list; /* list of superblock_security_struct */
61 u32 sid; /* SID of file system superblock */
62 u32 def_sid; /* default SID for labeling */
63 u32 mntpoint_sid; /* SECURITY_FS_USE_MNTPOINT context for files */
64 unsigned int behavior; /* labeling behavior */
65 unsigned char initialized; /* initialization flag */
66 unsigned char flags; /* which mount options were specified */
67 unsigned char proc; /* proc fs */
69 struct list_head isec_head;
73 struct msg_security_struct {
74 u32 sid; /* SID of message */
77 struct ipc_security_struct {
78 u16 sclass; /* security class of this object */
79 u32 sid; /* SID of IPC resource */
82 struct bprm_security_struct {
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 int ifindex; /* device index */
95 u32 sid; /* SID for this interface */
98 struct netnode_security_struct {
100 __be32 ipv4; /* IPv4 node address */
101 struct in6_addr ipv6; /* IPv6 node address */
103 u32 sid; /* SID for this node */
104 u16 family; /* address family */
107 struct sk_security_struct {
108 u32 sid; /* SID of this object */
109 u32 peer_sid; /* SID of peer */
110 u16 sclass; /* sock security class */
111 #ifdef CONFIG_NETLABEL
112 enum { /* NetLabel state */
120 struct key_security_struct {
121 u32 sid; /* SID of key */
124 extern unsigned int selinux_checkreqprot;
126 #endif /* _SELINUX_OBJSEC_H_ */