1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Implementation of the security services.
4 *
5 * Author : Stephen Smalley, <stephen.smalley.work@gmail.com>
6 */
7
8 #ifndef _SS_SERVICES_H_
9 #define _SS_SERVICES_H_
10
11 #include "policydb.h"
12
13 /* Mapping for a single class */
14 struct selinux_mapping {
15 u16 value; /* policy value for class */
16 u16 num_perms; /* number of permissions in class */
17 u32 perms[sizeof(u32) * 8]; /* policy values for permissions */
18 };
19
20 /* Map for all of the classes, with array size */
21 struct selinux_map {
22 struct selinux_mapping *mapping; /* indexed by class */
23 u16 size; /* array size of mapping */
24 };
25
26 struct selinux_policy {
27 struct sidtab *sidtab;
28 struct policydb policydb;
29 struct selinux_map map;
30 u32 latest_granting;
31 } __randomize_layout;
32
33 struct convert_context_args {
34 struct policydb *oldp;
35 struct policydb *newp;
36 };
37
38 void services_compute_xperms_drivers(struct extended_perms *xperms,
39 struct avtab_node *node);
40 void services_compute_xperms_decision(struct extended_perms_decision *xpermd,
41 struct avtab_node *node);
42
43 int services_convert_context(struct convert_context_args *args,
44 struct context *oldc, struct context *newc,
45 gfp_t gfp_flags);
46
47 #endif /* _SS_SERVICES_H_ */
48
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