root/security/selinux/ss/services.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Implementation of the security services.
 *
 * Author : Stephen Smalley, <stephen.smalley.work@gmail.com>
 */

#ifndef _SS_SERVICES_H_
#define _SS_SERVICES_H_

#include "policydb.h"

/* Mapping for a single class */
struct selinux_mapping {
        u16 value; /* policy value for class */
        u16 num_perms; /* number of permissions in class */
        u32 perms[sizeof(u32) * 8]; /* policy values for permissions */
};

/* Map for all of the classes, with array size */
struct selinux_map {
        struct selinux_mapping *mapping; /* indexed by class */
        u16 size; /* array size of mapping */
};

struct selinux_policy {
        struct sidtab *sidtab;
        struct policydb policydb;
        struct selinux_map map;
        u32 latest_granting;
} __randomize_layout;

struct convert_context_args {
        struct policydb *oldp;
        struct policydb *newp;
};

void services_compute_xperms_drivers(struct extended_perms *xperms,
                                     struct avtab_node *node);
void services_compute_xperms_decision(struct extended_perms_decision *xpermd,
                                      struct avtab_node *node);

int services_convert_context(struct convert_context_args *args,
                             struct context *oldc, struct context *newc,
                             gfp_t gfp_flags);

#endif /* _SS_SERVICES_H_ */