Commit | Line | Data |
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1da177e4 LT |
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 | ||
3de4bab5 | 11 | #include <linux/skbuff.h> |
1da177e4 LT |
12 | #include "flask.h" |
13 | ||
14 | #define SECSID_NULL 0x00000000 /* unspecified SID */ | |
15 | #define SECSID_WILD 0xffffffff /* wildcard SID */ | |
16 | #define SECCLASS_NULL 0x0000 /* no class */ | |
17 | ||
18 | #define SELINUX_MAGIC 0xf97cff8c | |
19 | ||
20 | /* Identify specific policy version changes */ | |
21 | #define POLICYDB_VERSION_BASE 15 | |
22 | #define POLICYDB_VERSION_BOOL 16 | |
23 | #define POLICYDB_VERSION_IPV6 17 | |
24 | #define POLICYDB_VERSION_NLCLASS 18 | |
25 | #define POLICYDB_VERSION_VALIDATETRANS 19 | |
26 | #define POLICYDB_VERSION_MLS 19 | |
782ebb99 | 27 | #define POLICYDB_VERSION_AVTAB 20 |
f3f87714 | 28 | #define POLICYDB_VERSION_RANGETRANS 21 |
1da177e4 LT |
29 | |
30 | /* Range of policy versions we understand*/ | |
31 | #define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE | |
016b9bdb SS |
32 | #ifdef CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX |
33 | #define POLICYDB_VERSION_MAX CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX_VALUE | |
34 | #else | |
f3f87714 | 35 | #define POLICYDB_VERSION_MAX POLICYDB_VERSION_RANGETRANS |
016b9bdb | 36 | #endif |
1da177e4 | 37 | |
1da177e4 | 38 | extern int selinux_enabled; |
1da177e4 LT |
39 | extern int selinux_mls_enabled; |
40 | ||
41 | int security_load_policy(void * data, size_t len); | |
42 | ||
43 | struct av_decision { | |
44 | u32 allowed; | |
45 | u32 decided; | |
46 | u32 auditallow; | |
47 | u32 auditdeny; | |
48 | u32 seqno; | |
49 | }; | |
50 | ||
51 | int security_compute_av(u32 ssid, u32 tsid, | |
52 | u16 tclass, u32 requested, | |
53 | struct av_decision *avd); | |
54 | ||
55 | int security_transition_sid(u32 ssid, u32 tsid, | |
56 | u16 tclass, u32 *out_sid); | |
57 | ||
58 | int security_member_sid(u32 ssid, u32 tsid, | |
59 | u16 tclass, u32 *out_sid); | |
60 | ||
61 | int security_change_sid(u32 ssid, u32 tsid, | |
62 | u16 tclass, u32 *out_sid); | |
63 | ||
64 | int security_sid_to_context(u32 sid, char **scontext, | |
65 | u32 *scontext_len); | |
66 | ||
67 | int security_context_to_sid(char *scontext, u32 scontext_len, | |
68 | u32 *out_sid); | |
69 | ||
f5c1d5b2 JM |
70 | int security_context_to_sid_default(char *scontext, u32 scontext_len, u32 *out_sid, u32 def_sid); |
71 | ||
1da177e4 LT |
72 | int security_get_user_sids(u32 callsid, char *username, |
73 | u32 **sids, u32 *nel); | |
74 | ||
75 | int security_port_sid(u16 domain, u16 type, u8 protocol, u16 port, | |
76 | u32 *out_sid); | |
77 | ||
78 | int security_netif_sid(char *name, u32 *if_sid, | |
79 | u32 *msg_sid); | |
80 | ||
81 | int security_node_sid(u16 domain, void *addr, u32 addrlen, | |
82 | u32 *out_sid); | |
83 | ||
3de4bab5 PM |
84 | void security_skb_extlbl_sid(struct sk_buff *skb, u32 base_sid, u32 *sid); |
85 | ||
1da177e4 LT |
86 | int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid, |
87 | u16 tclass); | |
88 | ||
08554d6b VY |
89 | int security_sid_mls_copy(u32 sid, u32 mls_sid, u32 *new_sid); |
90 | ||
1da177e4 LT |
91 | #define SECURITY_FS_USE_XATTR 1 /* use xattr */ |
92 | #define SECURITY_FS_USE_TRANS 2 /* use transition SIDs, e.g. devpts/tmpfs */ | |
93 | #define SECURITY_FS_USE_TASK 3 /* use task SIDs, e.g. pipefs/sockfs */ | |
94 | #define SECURITY_FS_USE_GENFS 4 /* use the genfs support */ | |
95 | #define SECURITY_FS_USE_NONE 5 /* no labeling support */ | |
96 | #define SECURITY_FS_USE_MNTPOINT 6 /* use mountpoint labeling */ | |
97 | ||
98 | int security_fs_use(const char *fstype, unsigned int *behavior, | |
99 | u32 *sid); | |
100 | ||
101 | int security_genfs_sid(const char *fstype, char *name, u16 sclass, | |
102 | u32 *sid); | |
103 | ||
104 | #endif /* _SELINUX_SECURITY_H_ */ | |
105 |