1f063dcadb
Ulrich Drepper <drepper@redhat.com> * config.make.in: Add have-libcap. * configure.in: Check for libcap. * nscd/Makefile (selinux-LIBS): Add -lcap if possible. * nscd/connections.c (finish_drop_privileges): When libcap is available call preserve_capabilities and install_real_capabilities. * nscd/selinux.c: Define preserve_capabilities and install_real_capabilities. * nscd/selinux.h: Declare preserve_capabilities and install_real_capabilities.
66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
/* Header for nscd SELinux access controls.
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Copyright (C) 2004, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Matthew Rickard <mjricka@epoch.ncsc.mil>, 2004.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _SELINUX_H
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#define _SELINUX_H 1
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#include "nscd.h"
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#ifdef HAVE_LIBCAP
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# include <sys/capabilities.h>
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#endif
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#ifdef HAVE_SELINUX
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/* Global variable to tell if the kernel has SELinux support. */
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extern int selinux_enabled;
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/* Define this for AVC stat usage. */
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struct avc_cache_stats;
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/* Initialize the userspace AVC. */
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extern void nscd_avc_init (void);
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/* Destroy the userspace AVC. */
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extern void nscd_avc_destroy (void);
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/* Determine if we are running on an SELinux kernel. */
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extern void nscd_selinux_enabled (int *selinux_enabled);
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/* Check if the client has permission for the request type. */
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extern int nscd_request_avc_has_perm (int fd, request_type req);
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/* Initialize AVC statistic information. */
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extern void nscd_avc_cache_stats (struct avc_cache_stats *cstats);
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/* Display statistics on AVC usage. */
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extern void nscd_avc_print_stats (struct avc_cache_stats *cstats);
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# ifdef HAVE_LIBCAP
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/* Preserve capabilities to connect to connnect to the audit daemon. */
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extern cap_t preserve_capabilities (void);
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/* Install final capabilities. */
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extern void install_real_capabilities (cap_t new_caps);
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# endif
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#else
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# define selinux_enabled 0
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# define nscd_avc_init() (void) 0
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# define nscd_avc_destroy() (void) 0
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# define nscd_selinux_enabled(selinux_enabled) (void) 0
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# define nscd_request_avc_has_perm(fd, req) 0
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# define nscd_avc_cache_stats(cstats) (void) 0
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# define nscd_avc_print_stats(cstats) (void) 0
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#endif /* HAVE_SELINUX */
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#endif /* _SELINUX_H */
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