Commit | Line | Data |
---|---|---|
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 | ||
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 | ||
27 | /* Range of policy versions we understand*/ | |
28 | #define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE | |
29 | #define POLICYDB_VERSION_MAX POLICYDB_VERSION_MLS | |
30 | ||
31 | #ifdef CONFIG_SECURITY_SELINUX_BOOTPARAM | |
32 | extern int selinux_enabled; | |
33 | #else | |
34 | #define selinux_enabled 1 | |
35 | #endif | |
36 | ||
37 | extern int selinux_mls_enabled; | |
38 | ||
39 | int security_load_policy(void * data, size_t len); | |
40 | ||
41 | struct av_decision { | |
42 | u32 allowed; | |
43 | u32 decided; | |
44 | u32 auditallow; | |
45 | u32 auditdeny; | |
46 | u32 seqno; | |
47 | }; | |
48 | ||
49 | int security_compute_av(u32 ssid, u32 tsid, | |
50 | u16 tclass, u32 requested, | |
51 | struct av_decision *avd); | |
52 | ||
53 | int security_transition_sid(u32 ssid, u32 tsid, | |
54 | u16 tclass, u32 *out_sid); | |
55 | ||
56 | int security_member_sid(u32 ssid, u32 tsid, | |
57 | u16 tclass, u32 *out_sid); | |
58 | ||
59 | int security_change_sid(u32 ssid, u32 tsid, | |
60 | u16 tclass, u32 *out_sid); | |
61 | ||
62 | int security_sid_to_context(u32 sid, char **scontext, | |
63 | u32 *scontext_len); | |
64 | ||
65 | int security_context_to_sid(char *scontext, u32 scontext_len, | |
66 | u32 *out_sid); | |
67 | ||
68 | int security_get_user_sids(u32 callsid, char *username, | |
69 | u32 **sids, u32 *nel); | |
70 | ||
71 | int security_port_sid(u16 domain, u16 type, u8 protocol, u16 port, | |
72 | u32 *out_sid); | |
73 | ||
74 | int security_netif_sid(char *name, u32 *if_sid, | |
75 | u32 *msg_sid); | |
76 | ||
77 | int security_node_sid(u16 domain, void *addr, u32 addrlen, | |
78 | u32 *out_sid); | |
79 | ||
80 | int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid, | |
81 | u16 tclass); | |
82 | ||
83 | #define SECURITY_FS_USE_XATTR 1 /* use xattr */ | |
84 | #define SECURITY_FS_USE_TRANS 2 /* use transition SIDs, e.g. devpts/tmpfs */ | |
85 | #define SECURITY_FS_USE_TASK 3 /* use task SIDs, e.g. pipefs/sockfs */ | |
86 | #define SECURITY_FS_USE_GENFS 4 /* use the genfs support */ | |
87 | #define SECURITY_FS_USE_NONE 5 /* no labeling support */ | |
88 | #define SECURITY_FS_USE_MNTPOINT 6 /* use mountpoint labeling */ | |
89 | ||
90 | int security_fs_use(const char *fstype, unsigned int *behavior, | |
91 | u32 *sid); | |
92 | ||
93 | int security_genfs_sid(const char *fstype, char *name, u16 sclass, | |
94 | u32 *sid); | |
95 | ||
96 | #endif /* _SELINUX_SECURITY_H_ */ | |
97 |