linux_dsm_epyc7002/security/selinux/ss/services.h
Ondrej Mosnacek 24ed7fdae6 selinux: use separate table for initial SID lookup
This moves handling of initial SIDs into a separate table. Note that the
SIDs stored in the main table are now shifted by SECINITSID_NUM and
converted to/from the actual SIDs transparently by helper functions.

This change doesn't make much sense on its own, but it simplifies
further sidtab overhaul in a succeeding patch.

Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Reviewed-by: Stephen Smalley <sds@tycho.nsa.gov>
[PM: fixed some checkpatch warnings on line length, whitespace]
Signed-off-by: Paul Moore <paul@paul-moore.com>
2018-12-05 15:36:12 -05:00

43 lines
1.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Implementation of the security services.
*
* Author : Stephen Smalley, <sds@tycho.nsa.gov>
*/
#ifndef _SS_SERVICES_H_
#define _SS_SERVICES_H_
#include "policydb.h"
#include "sidtab.h"
/* Mapping for a single class */
struct selinux_mapping {
u16 value; /* policy value for class */
unsigned int 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_ss {
struct sidtab *sidtab;
struct policydb policydb;
rwlock_t policy_rwlock;
u32 latest_granting;
struct selinux_map map;
struct page *status_page;
struct mutex status_lock;
};
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);
#endif /* _SS_SERVICES_H_ */