2 * Copyright (c) 2023 Omar Polo <op@omarpolo.com>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <linux/landlock.h>
18 #include <sys/prctl.h>
20 #include <sys/syscall.h>
22 #ifndef landlock_create_ruleset
24 landlock_create_ruleset(const struct landlock_ruleset_attr *attr, size_t size,
27 return syscall(__NR_landlock_create_ruleset, attr, size, flags);
35 const struct landlock_ruleset_attr rsattr = {
36 .handled_access_fs = LANDLOCK_ACCESS_FS_READ_FILE |
37 LANDLOCK_ACCESS_FS_READ_DIR
40 rfd = landlock_create_ruleset(&rsattr, sizeof(rsattr), 0);