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>
27 #include <net/net_namespace.h>
31 struct task_security_struct {
32 u32 osid; /* SID prior to last execve */
33 u32 sid; /* current SID */
34 u32 exec_sid; /* exec SID */
35 u32 create_sid; /* fscreate SID */
36 u32 keycreate_sid; /* keycreate SID */
37 u32 sockcreate_sid; /* fscreate SID */
40 enum label_initialized {
41 LABEL_INVALID, /* invalid or not initialized */
42 LABEL_INITIALIZED, /* initialized */
46 struct inode_security_struct {
47 struct inode *inode; /* back pointer to inode object */
49 struct list_head list; /* list of inode_security_struct */
50 struct rcu_head rcu; /* for freeing the inode_security_struct */
52 u32 task_sid; /* SID of creating task */
53 u32 sid; /* SID of this object */
54 u16 sclass; /* security class of this object */
55 unsigned char initialized; /* initialization flag */
59 struct file_security_struct {
60 u32 sid; /* SID of open file description */
61 u32 fown_sid; /* SID of file owner (for SIGIO) */
62 u32 isid; /* SID of inode at the time of file open */
63 u32 pseqno; /* Policy seqno at the time of file open */
66 struct superblock_security_struct {
67 struct super_block *sb; /* back pointer to sb object */
68 u32 sid; /* SID of file system superblock */
69 u32 def_sid; /* default SID for labeling */
70 u32 mntpoint_sid; /* SECURITY_FS_USE_MNTPOINT context for files */
71 unsigned short behavior; /* labeling behavior */
72 unsigned short flags; /* which mount options were specified */
74 struct list_head isec_head;
78 struct msg_security_struct {
79 u32 sid; /* SID of message */
82 struct ipc_security_struct {
83 u16 sclass; /* security class of this object */
84 u32 sid; /* SID of IPC resource */
87 struct netif_security_struct {
88 struct net *ns; /* network namespace */
89 int ifindex; /* device index */
90 u32 sid; /* SID for this interface */
93 struct netnode_security_struct {
95 __be32 ipv4; /* IPv4 node address */
96 struct in6_addr ipv6; /* IPv6 node address */
98 u32 sid; /* SID for this node */
99 u16 family; /* address family */
102 struct netport_security_struct {
103 u32 sid; /* SID for this node */
104 u16 port; /* port number */
105 u8 protocol; /* transport protocol */
108 struct sk_security_struct {
109 #ifdef CONFIG_NETLABEL
110 enum { /* NetLabel state */
117 struct netlbl_lsm_secattr *nlbl_secattr; /* NetLabel sec attributes */
119 u32 sid; /* SID of this object */
120 u32 peer_sid; /* SID of peer */
121 u16 sclass; /* sock security class */
124 struct tun_security_struct {
125 u32 sid; /* SID for the tun device sockets */
128 struct key_security_struct {
129 u32 sid; /* SID of key */
132 extern unsigned int selinux_checkreqprot;
134 #endif /* _SELINUX_OBJSEC_H_ */