omap3 evm, beagle and overo use the generic twl4030 script
[linux-ginger.git] / security / selinux / include / security.h
blob7c543003d653676f5d72a34ffd60d1f301b2d11a
1 /*
2 * Security server interface.
4 * Author : Stephen Smalley, <sds@epoch.ncsc.mil>
6 */
8 #ifndef _SELINUX_SECURITY_H_
9 #define _SELINUX_SECURITY_H_
11 #include "flask.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
26 #define POLICYDB_VERSION_AVTAB 20
27 #define POLICYDB_VERSION_RANGETRANS 21
28 #define POLICYDB_VERSION_POLCAP 22
29 #define POLICYDB_VERSION_PERMISSIVE 23
31 /* Range of policy versions we understand*/
32 #define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE
33 #ifdef CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX
34 #define POLICYDB_VERSION_MAX CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX_VALUE
35 #else
36 #define POLICYDB_VERSION_MAX POLICYDB_VERSION_PERMISSIVE
37 #endif
39 #define CONTEXT_MNT 0x01
40 #define FSCONTEXT_MNT 0x02
41 #define ROOTCONTEXT_MNT 0x04
42 #define DEFCONTEXT_MNT 0x08
44 #define CONTEXT_STR "context="
45 #define FSCONTEXT_STR "fscontext="
46 #define ROOTCONTEXT_STR "rootcontext="
47 #define DEFCONTEXT_STR "defcontext="
49 struct netlbl_lsm_secattr;
51 extern int selinux_enabled;
52 extern int selinux_mls_enabled;
54 /* Policy capabilities */
55 enum {
56 POLICYDB_CAPABILITY_NETPEER,
57 POLICYDB_CAPABILITY_OPENPERM,
58 __POLICYDB_CAPABILITY_MAX
60 #define POLICYDB_CAPABILITY_MAX (__POLICYDB_CAPABILITY_MAX - 1)
62 extern int selinux_policycap_netpeer;
63 extern int selinux_policycap_openperm;
65 int security_load_policy(void *data, size_t len);
67 int security_policycap_supported(unsigned int req_cap);
69 #define SEL_VEC_MAX 32
70 struct av_decision {
71 u32 allowed;
72 u32 decided;
73 u32 auditallow;
74 u32 auditdeny;
75 u32 seqno;
78 int security_permissive_sid(u32 sid);
80 int security_compute_av(u32 ssid, u32 tsid,
81 u16 tclass, u32 requested,
82 struct av_decision *avd);
84 int security_transition_sid(u32 ssid, u32 tsid,
85 u16 tclass, u32 *out_sid);
87 int security_member_sid(u32 ssid, u32 tsid,
88 u16 tclass, u32 *out_sid);
90 int security_change_sid(u32 ssid, u32 tsid,
91 u16 tclass, u32 *out_sid);
93 int security_sid_to_context(u32 sid, char **scontext,
94 u32 *scontext_len);
96 int security_sid_to_context_force(u32 sid, char **scontext, u32 *scontext_len);
98 int security_context_to_sid(const char *scontext, u32 scontext_len,
99 u32 *out_sid);
101 int security_context_to_sid_default(const char *scontext, u32 scontext_len,
102 u32 *out_sid, u32 def_sid, gfp_t gfp_flags);
104 int security_context_to_sid_force(const char *scontext, u32 scontext_len,
105 u32 *sid);
107 int security_get_user_sids(u32 callsid, char *username,
108 u32 **sids, u32 *nel);
110 int security_port_sid(u8 protocol, u16 port, u32 *out_sid);
112 int security_netif_sid(char *name, u32 *if_sid);
114 int security_node_sid(u16 domain, void *addr, u32 addrlen,
115 u32 *out_sid);
117 int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid,
118 u16 tclass);
120 int security_sid_mls_copy(u32 sid, u32 mls_sid, u32 *new_sid);
122 int security_net_peersid_resolve(u32 nlbl_sid, u32 nlbl_type,
123 u32 xfrm_sid,
124 u32 *peer_sid);
126 int security_get_classes(char ***classes, int *nclasses);
127 int security_get_permissions(char *class, char ***perms, int *nperms);
128 int security_get_reject_unknown(void);
129 int security_get_allow_unknown(void);
131 #define SECURITY_FS_USE_XATTR 1 /* use xattr */
132 #define SECURITY_FS_USE_TRANS 2 /* use transition SIDs, e.g. devpts/tmpfs */
133 #define SECURITY_FS_USE_TASK 3 /* use task SIDs, e.g. pipefs/sockfs */
134 #define SECURITY_FS_USE_GENFS 4 /* use the genfs support */
135 #define SECURITY_FS_USE_NONE 5 /* no labeling support */
136 #define SECURITY_FS_USE_MNTPOINT 6 /* use mountpoint labeling */
138 int security_fs_use(const char *fstype, unsigned int *behavior,
139 u32 *sid);
141 int security_genfs_sid(const char *fstype, char *name, u16 sclass,
142 u32 *sid);
144 #ifdef CONFIG_NETLABEL
145 int security_netlbl_secattr_to_sid(struct netlbl_lsm_secattr *secattr,
146 u32 *sid);
148 int security_netlbl_sid_to_secattr(u32 sid,
149 struct netlbl_lsm_secattr *secattr);
150 #else
151 static inline int security_netlbl_secattr_to_sid(
152 struct netlbl_lsm_secattr *secattr,
153 u32 *sid)
155 return -EIDRM;
158 static inline int security_netlbl_sid_to_secattr(u32 sid,
159 struct netlbl_lsm_secattr *secattr)
161 return -ENOENT;
163 #endif /* CONFIG_NETLABEL */
165 const char *security_get_initial_sid_context(u32 sid);
167 #endif /* _SELINUX_SECURITY_H_ */