1/* Header for nscd SELinux access controls.
2 Copyright (C) 2004-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#ifndef _SELINUX_H
20#define _SELINUX_H 1
21
22#include "nscd.h"
23#ifdef HAVE_LIBCAP
24# include <sys/capability.h>
25#endif
26
27#ifdef HAVE_SELINUX
28/* Global variable to tell if the kernel has SELinux support. */
29extern int selinux_enabled;
30
31/* Define this for AVC stat usage. */
32struct avc_cache_stats;
33
34/* Initialize the userspace AVC. */
35extern void nscd_avc_init (void);
36/* Determine if we are running on an SELinux kernel. */
37extern void nscd_selinux_enabled (int *selinux_enabled);
38/* Check if the client has permission for the request type. */
39extern int nscd_request_avc_has_perm (int fd, request_type req);
40/* Initialize AVC statistic information. */
41extern void nscd_avc_cache_stats (struct avc_cache_stats *cstats);
42/* Display statistics on AVC usage. */
43extern void nscd_avc_print_stats (struct avc_cache_stats *cstats);
44
45# ifdef HAVE_LIBCAP
46/* Preserve capabilities to connect to the audit daemon. */
47extern cap_t preserve_capabilities (void);
48/* Install final capabilities. */
49extern void install_real_capabilities (cap_t new_caps);
50# endif
51#else
52# define selinux_enabled 0
53# define nscd_avc_init() (void) 0
54# define nscd_selinux_enabled(selinux_enabled) (void) 0
55# define nscd_request_avc_has_perm(fd, req) 0
56# define nscd_avc_cache_stats(cstats) (void) 0
57# define nscd_avc_print_stats(cstats) (void) 0
58#endif /* HAVE_SELINUX */
59
60#endif /* _SELINUX_H */
61

source code of glibc/nscd/selinux.h