summaryrefslogtreecommitdiff
path: root/security/selinux/include/objsec.h
blob: 957b10d0f76fd64f5f9b26f62ca2deb608132959 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
/*
 *  NSA Security-Enhanced Linux (SELinux) security module
 *
 *  This file contains the SELinux security data structures for kernel objects.
 *
 *  Author(s):  Stephen Smalley, <sds@epoch.ncsc.mil>
 *              Chris Vance, <cvance@nai.com>
 *              Wayne Salamon, <wsalamon@nai.com>
 *              James Morris <jmorris@redhat.com>
 *
 *  Copyright (C) 2001,2002 Networks Associates Technology, Inc.
 *  Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com>
 *
 *	This program is free software; you can redistribute it and/or modify
 *	it under the terms of the GNU General Public License version 2,
 *      as published by the Free Software Foundation.
 */
#ifndef _SELINUX_OBJSEC_H_
#define _SELINUX_OBJSEC_H_

#include <linux/list.h>
#include <linux/sched.h>
#include <linux/fs.h>
#include <linux/binfmts.h>
#include <linux/in.h>
#include <linux/spinlock.h>
#include "flask.h"
#include "avc.h"

struct task_security_struct {
	u32 osid;            /* SID prior to last execve */
	u32 sid;             /* current SID */
	u32 exec_sid;        /* exec SID */
	u32 create_sid;      /* fscreate SID */
	u32 keycreate_sid;   /* keycreate SID */
	u32 sockcreate_sid;  /* fscreate SID */
};

struct inode_security_struct {
        struct inode *inode;           /* back pointer to inode object */
	struct list_head list;         /* list of inode_security_struct */
	u32 task_sid;        /* SID of creating task */
	u32 sid;             /* SID of this object */
	u16 sclass;       /* security class of this object */
	unsigned char initialized;     /* initialization flag */
	struct mutex lock;
	unsigned char inherit;         /* inherit SID from parent entry */
};

struct file_security_struct {
	u32 sid;              /* SID of open file description */
	u32 fown_sid;         /* SID of file owner (for SIGIO) */
	u32 isid;             /* SID of inode at the time of file open */
	u32 pseqno;           /* Policy seqno at the time of file open */
};

struct superblock_security_struct {
	struct super_block *sb;         /* back pointer to sb object */
	struct list_head list;          /* list of superblock_security_struct */
	u32 sid;			/* SID of file system superblock */
	u32 def_sid;			/* default SID for labeling */
	u32 mntpoint_sid;		/* SECURITY_FS_USE_MNTPOINT context for files */
	unsigned int behavior;          /* labeling behavior */
	unsigned char initialized;      /* initialization flag */
	unsigned char flags;		/* which mount options were specified */
	unsigned char proc;             /* proc fs */
	struct mutex lock;
	struct list_head isec_head;
	spinlock_t isec_lock;
};

struct msg_security_struct {
	u32 sid;              /* SID of message */
};

struct ipc_security_struct {
	u16 sclass;	/* security class of this object */
	u32 sid;              /* SID of IPC resource */
};

struct bprm_security_struct {
	u32 sid;                       /* SID for transformed process */
	unsigned char set;

	/*
	 * unsafe is used to share failure information from bprm_apply_creds()
	 * to bprm_post_apply_creds().
	 */
	char unsafe;
};

struct netif_security_struct {
	int ifindex;			/* device index */
	u32 sid;			/* SID for this interface */
};

struct netnode_security_struct {
	union {
		__be32 ipv4;		/* IPv4 node address */
		struct in6_addr ipv6;	/* IPv6 node address */
	} addr;
	u32 sid;			/* SID for this node */
	u16 family;			/* address family */
};

struct sk_security_struct {
	u32 sid;			/* SID of this object */
	u32 peer_sid;			/* SID of peer */
	u16 sclass;			/* sock security class */
#ifdef CONFIG_NETLABEL
	enum {				/* NetLabel state */
		NLBL_UNSET = 0,
		NLBL_REQUIRE,
		NLBL_LABELED,
	} nlbl_state;
#endif
};

struct key_security_struct {
	u32 sid;         /* SID of key */
};

extern unsigned int selinux_checkreqprot;

#endif /* _SELINUX_OBJSEC_H_ */