2 * Security server interface.
4 * Author : Stephen Smalley, <sds@epoch.ncsc.mil>
8 #ifndef _SELINUX_SECURITY_H_
9 #define _SELINUX_SECURITY_H_
13 #define SECSID_NULL 0x00000000 /* unspecified SID */
14 #define SECSID_WILD 0xffffffff /* wildcard SID */
15 #define SECCLASS_NULL 0x0000 /* no class */
17 #define SELINUX_MAGIC 0xf97cff8c
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
27 /* Range of policy versions we understand*/
28 #define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE
29 #define POLICYDB_VERSION_MAX POLICYDB_VERSION_MLS
31 #ifdef CONFIG_SECURITY_SELINUX_BOOTPARAM
32 extern int selinux_enabled;
34 #define selinux_enabled 1
37 extern int selinux_mls_enabled;
39 int security_load_policy(void * data, size_t len);
49 int security_compute_av(u32 ssid, u32 tsid,
50 u16 tclass, u32 requested,
51 struct av_decision *avd);
53 int security_transition_sid(u32 ssid, u32 tsid,
54 u16 tclass, u32 *out_sid);
56 int security_member_sid(u32 ssid, u32 tsid,
57 u16 tclass, u32 *out_sid);
59 int security_change_sid(u32 ssid, u32 tsid,
60 u16 tclass, u32 *out_sid);
62 int security_sid_to_context(u32 sid, char **scontext,
65 int security_context_to_sid(char *scontext, u32 scontext_len,
68 int security_get_user_sids(u32 callsid, char *username,
69 u32 **sids, u32 *nel);
71 int security_port_sid(u16 domain, u16 type, u8 protocol, u16 port,
74 int security_netif_sid(char *name, u32 *if_sid,
77 int security_node_sid(u16 domain, void *addr, u32 addrlen,
80 int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid,
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 */
90 int security_fs_use(const char *fstype, unsigned int *behavior,
93 int security_genfs_sid(const char *fstype, char *name, u16 sclass,
96 #endif /* _SELINUX_SECURITY_H_ */