LXR linux/security/selinux/ss/services.h

   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 */
  13struct 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 */
  20struct selinux_map {
  21        struct selinux_mapping *mapping; /* indexed by class */
  22        u16 size; /* array size of mapping */
  23};
  24
  25struct selinux_policy {
  26        struct sidtab *sidtab;
  27        struct policydb policydb;
  28        struct selinux_map map;
  29        u32 latest_granting;
  30} __randomize_layout;
  31
  32void services_compute_xperms_drivers(struct extended_perms *xperms,
  33                                struct avtab_node *node);
  34
  35void services_compute_xperms_decision(struct extended_perms_decision *xpermd,
  36                                        struct avtab_node *node);
  37
  38#endif  /* _SS_SERVICES_H_ */
  39