xref: /openbmc/linux/security/landlock/setup.c (revision 276e552e)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Landlock LSM - Security framework setup
4  *
5  * Copyright © 2016-2020 Mickaël Salaün <mic@digikod.net>
6  * Copyright © 2018-2020 ANSSI
7  */
8 
9 #include <linux/init.h>
10 #include <linux/lsm_hooks.h>
11 
12 #include "common.h"
13 #include "cred.h"
14 #include "fs.h"
15 #include "ptrace.h"
16 #include "setup.h"
17 
18 bool landlock_initialized __lsm_ro_after_init = false;
19 
20 struct lsm_blob_sizes landlock_blob_sizes __lsm_ro_after_init = {
21 	.lbs_cred = sizeof(struct landlock_cred_security),
22 	.lbs_inode = sizeof(struct landlock_inode_security),
23 	.lbs_superblock = sizeof(struct landlock_superblock_security),
24 };
25 
26 static int __init landlock_init(void)
27 {
28 	landlock_add_cred_hooks();
29 	landlock_add_ptrace_hooks();
30 	landlock_add_fs_hooks();
31 	landlock_initialized = true;
32 	pr_info("Up and running.\n");
33 	return 0;
34 }
35 
36 DEFINE_LSM(LANDLOCK_NAME) = {
37 	.name = LANDLOCK_NAME,
38 	.init = landlock_init,
39 	.blobs = &landlock_blob_sizes,
40 };
41