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−/* Prototypes for openat-style fd-relative SELinux functions
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−   Copyright (C) 2007, 2009-2013 Free Software Foundation, Inc.
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−
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−   This program is free software: you can redistribute it and/or modify
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−   it under the terms of the GNU General Public License as published by
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−   the Free Software Foundation, either version 3 of the License, or
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−   (at your option) any later version.
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−
+
−   This program 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
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−   GNU General Public License for more details.
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−
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−   You should have received a copy of the GNU General Public License
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−   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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−
+
−#include <selinux/selinux.h>
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−#include <selinux/context.h>
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−
+
−/* These are the dir-fd-relative variants of the functions without the
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−   "at" suffix.  For example, getfileconat (AT_FDCWD, file, &c) is usually
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−   equivalent to getfilecon (file, &c).  The emulation is accomplished
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−   by first attempting getfilecon ("/proc/self/fd/DIR_FD/FILE", &c).
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−   Failing that, simulate it via save_cwd/fchdir/getfilecon/restore_cwd.
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−   If either the save_cwd or the restore_cwd fails (relatively unlikely),
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−   then give a diagnostic and exit nonzero.  */
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−
+
−/* dir-fd-relative getfilecon.  Set *CON to the SELinux security context
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−   of the file specified by DIR_FD and FILE and return the length of *CON.
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−   DIR_FD and FILE are interpreted as for fstatat[*].  A non-NULL *CON
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−   must be freed with freecon.  Upon error, set *CON to NULL, set errno
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−   and return -1.
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−   [*] with flags=0 here, with flags=AT_SYMLINK_NOFOLLOW for lgetfileconat  */
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−int  getfileconat (int dir_fd, char const *file, security_context_t *con);
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−
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−/* dir-fd-relative lgetfilecon.  This function is just like getfileconat,
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−   except when DIR_FD and FILE specify a symlink:  lgetfileconat operates on
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−   the symlink, while getfileconat operates on the referent of the symlink.  */
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−int lgetfileconat (int dir_fd, char const *file, security_context_t *con);
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−
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−/* dir-fd-relative setfilecon.  Set the SELinux security context of
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−   the file specified by DIR_FD and FILE to CON.  DIR_FD and FILE are
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−   interpreted as for fstatat[*].  Upon success, return 0.
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−   Otherwise, return -1 and set errno.  */
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−int  setfileconat (int dir_fd, char const *file, security_context_t con);
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−
+
−/* dir-fd-relative lsetfilecon.  This function is just like setfileconat,
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−   except that rather than dereferencing a symlink, this function affects it. */
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−/* dir-fd-relative lsetfilecon.  This function is just like setfileconat,
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−   except when DIR_FD and FILE specify a symlink:  lsetfileconat operates on
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−   the symlink, while setfileconat operates on the referent of the symlink.  */
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−int lsetfileconat (int dir_fd, char const *file, security_context_t con);