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
|
/*
* Security server interface.
*
* Author : Stephen Smalley, <sds@epoch.ncsc.mil>
*
*/
#ifndef _SELINUX_SECURITY_H_
#define _SELINUX_SECURITY_H_
#include "flask.h"
#define SECSID_NULL 0x00000000 /* unspecified SID */
#define SECSID_WILD 0xffffffff /* wildcard SID */
#define SECCLASS_NULL 0x0000 /* no class */
#define SELINUX_MAGIC 0xf97cff8c
/* Identify specific policy version changes */
#define POLICYDB_VERSION_BASE 15
#define POLICYDB_VERSION_BOOL 16
#define POLICYDB_VERSION_IPV6 17
#define POLICYDB_VERSION_NLCLASS 18
#define POLICYDB_VERSION_VALIDATETRANS 19
#define POLICYDB_VERSION_MLS 19
#define POLICYDB_VERSION_AVTAB 20
/* Range of policy versions we understand*/
#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE
#define POLICYDB_VERSION_MAX POLICYDB_VERSION_AVTAB
#ifdef CONFIG_SECURITY_SELINUX_BOOTPARAM
extern int selinux_enabled;
#else
#define selinux_enabled 1
#endif
extern int selinux_mls_enabled;
int security_load_policy(void * data, size_t len);
struct av_decision {
u32 allowed;
u32 decided;
u32 auditallow;
u32 auditdeny;
u32 seqno;
};
int security_compute_av(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct av_decision *avd);
int security_transition_sid(u32 ssid, u32 tsid,
u16 tclass, u32 *out_sid);
int security_member_sid(u32 ssid, u32 tsid,
u16 tclass, u32 *out_sid);
int security_change_sid(u32 ssid, u32 tsid,
u16 tclass, u32 *out_sid);
int security_sid_to_context(u32 sid, char **scontext,
u32 *scontext_len);
int security_context_to_sid(char *scontext, u32 scontext_len,
u32 *out_sid);
int security_context_to_sid_default(char *scontext, u32 scontext_len, u32 *out_sid, u32 def_sid);
int security_get_user_sids(u32 callsid, char *username,
u32 **sids, u32 *nel);
int security_port_sid(u16 domain, u16 type, u8 protocol, u16 port,
u32 *out_sid);
int security_netif_sid(char *name, u32 *if_sid,
u32 *msg_sid);
int security_node_sid(u16 domain, void *addr, u32 addrlen,
u32 *out_sid);
int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid,
u16 tclass);
#define SECURITY_FS_USE_XATTR 1 /* use xattr */
#define SECURITY_FS_USE_TRANS 2 /* use transition SIDs, e.g. devpts/tmpfs */
#define SECURITY_FS_USE_TASK 3 /* use task SIDs, e.g. pipefs/sockfs */
#define SECURITY_FS_USE_GENFS 4 /* use the genfs support */
#define SECURITY_FS_USE_NONE 5 /* no labeling support */
#define SECURITY_FS_USE_MNTPOINT 6 /* use mountpoint labeling */
int security_fs_use(const char *fstype, unsigned int *behavior,
u32 *sid);
int security_genfs_sid(const char *fstype, char *name, u16 sclass,
u32 *sid);
#endif /* _SELINUX_SECURITY_H_ */
|
