Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * Security server interface.
3 *
4 * Author : Stephen Smalley, <sds@epoch.ncsc.mil>
5 *
6 */
7
8#ifndef _SELINUX_SECURITY_H_
9#define _SELINUX_SECURITY_H_
10
11#include "flask.h"
12
13#define SECSID_NULL 0x00000000 /* unspecified SID */
14#define SECSID_WILD 0xffffffff /* wildcard SID */
15#define SECCLASS_NULL 0x0000 /* no class */
16
17#define SELINUX_MAGIC 0xf97cff8c
18
19/* Identify specific policy version changes */
20#define POLICYDB_VERSION_BASE 15
21#define POLICYDB_VERSION_BOOL 16
22#define POLICYDB_VERSION_IPV6 17
23#define POLICYDB_VERSION_NLCLASS 18
24#define POLICYDB_VERSION_VALIDATETRANS 19
25#define POLICYDB_VERSION_MLS 19
26#define POLICYDB_VERSION_AVTAB 20
27#define POLICYDB_VERSION_RANGETRANS 21
28
29/* Range of policy versions we understand*/
30#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE
31#ifdef CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX
32#define POLICYDB_VERSION_MAX CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX_VALUE
33#else
34#define POLICYDB_VERSION_MAX POLICYDB_VERSION_RANGETRANS
35#endif
36
37struct sk_buff;
38
39extern int selinux_enabled;
40extern int selinux_mls_enabled;
41
42int security_load_policy(void * data, size_t len);
43
44struct av_decision {
45 u32 allowed;
46 u32 decided;
47 u32 auditallow;
48 u32 auditdeny;
49 u32 seqno;
50};
51
52int security_compute_av(u32 ssid, u32 tsid,
53 u16 tclass, u32 requested,
54 struct av_decision *avd);
55
56int security_transition_sid(u32 ssid, u32 tsid,
57 u16 tclass, u32 *out_sid);
58
59int security_member_sid(u32 ssid, u32 tsid,
60 u16 tclass, u32 *out_sid);
61
62int security_change_sid(u32 ssid, u32 tsid,
63 u16 tclass, u32 *out_sid);
64
65int security_sid_to_context(u32 sid, char **scontext,
66 u32 *scontext_len);
67
68int security_context_to_sid(char *scontext, u32 scontext_len,
69 u32 *out_sid);
70
71int security_context_to_sid_default(char *scontext, u32 scontext_len, u32 *out_sid, u32 def_sid);
72
73int security_get_user_sids(u32 callsid, char *username,
74 u32 **sids, u32 *nel);
75
76int security_port_sid(u16 domain, u16 type, u8 protocol, u16 port,
77 u32 *out_sid);
78
79int security_netif_sid(char *name, u32 *if_sid,
80 u32 *msg_sid);
81
82int security_node_sid(u16 domain, void *addr, u32 addrlen,
83 u32 *out_sid);
84
85void security_skb_extlbl_sid(struct sk_buff *skb, u32 base_sid, u32 *sid);
86
87int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid,
88 u16 tclass);
89
90int security_sid_mls_copy(u32 sid, u32 mls_sid, u32 *new_sid);
91
92#define SECURITY_FS_USE_XATTR 1 /* use xattr */
93#define SECURITY_FS_USE_TRANS 2 /* use transition SIDs, e.g. devpts/tmpfs */
94#define SECURITY_FS_USE_TASK 3 /* use task SIDs, e.g. pipefs/sockfs */
95#define SECURITY_FS_USE_GENFS 4 /* use the genfs support */
96#define SECURITY_FS_USE_NONE 5 /* no labeling support */
97#define SECURITY_FS_USE_MNTPOINT 6 /* use mountpoint labeling */
98
99int security_fs_use(const char *fstype, unsigned int *behavior,
100 u32 *sid);
101
102int security_genfs_sid(const char *fstype, char *name, u16 sclass,
103 u32 *sid);
104
105#endif /* _SELINUX_SECURITY_H_ */
106