cap.h

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#pragma once
/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
/** Functions to deal with Linux capabilities
 *
 * @file src/lib/util/cap.c
 *
 * @author Arran Cudbard-Bell (a.cudbardb@freeradius.org)
 * @copyright 2020 Arran Cudbard-Bell (a.cudbardb@freeradius.org)
 * @copyright 2020 The FreeRADIUS Server Project.
 */
RCSIDH(cap_h, "$Id: 9ccc7ebf62717779fb76335cae412a18127490e8 $")
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifdef HAVE_CAPABILITY_H
#  include <sys/capability.h>
#  include <stdbool.h>
#  include <freeradius-devel/util/talloc.h>
 
bool    fr_cap_is_enabled(cap_value_t cap, cap_flag_t set);
 
int     fr_cap_enable(cap_value_t cap, cap_flag_t set);
 
int     fr_cap_disable(cap_value_t cap, cap_flag_t set);
 
ssize_t fr_cap_set_to_str(TALLOC_CTX *ctx, char **out);
 
#else
/*
 *      So we don't have ifdef's throughout the rest of the code.
 */
#  define CAP_EFFECTIVE         (0)
#  define CAP_INHERITABLE       (0)
#  define CAP_PERMITTED         (0)
 
#  define CAP_SETUID            (0)
#  define CAP_SETGID            (0)
#  define CAP_CHOWN             (0)
 
#  define fr_cap_disable(_x, _y) (0)
 
#endif
 
#ifdef __cplusplus
}
#endif