1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Implementation of the security services.
4  *
5  * Author : Stephen Smalley, <sds@tycho.nsa.gov>
6  */
7 #ifndef _SS_SERVICES_H_
8 #define _SS_SERVICES_H_
9 
10 #include "policydb.h"
11 
12 /* Mapping for a single class */
13 struct selinux_mapping {
14 	u16 value; /* policy value for class */
15 	unsigned int num_perms; /* number of permissions in class */
16 	u32 perms[sizeof(u32) * 8]; /* policy values for permissions */
17 };
18 
19 /* Map for all of the classes, with array size */
20 struct selinux_map {
21 	struct selinux_mapping *mapping; /* indexed by class */
22 	u16 size; /* array size of mapping */
23 };
24 
25 struct selinux_policy {
26 	struct sidtab *sidtab;
27 	struct policydb policydb;
28 	struct selinux_map map;
29 	u32 latest_granting;
30 } __randomize_layout;
31 
32 void services_compute_xperms_drivers(struct extended_perms *xperms,
33 				struct avtab_node *node);
34 
35 void services_compute_xperms_decision(struct extended_perms_decision *xpermd,
36 					struct avtab_node *node);
37 
38 #endif	/* _SS_SERVICES_H_ */
39