xref: /linux/security/landlock/setup.c (revision 69bfec7548f4c1595bac0e3ddfc0458a5af31f4c)
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_file = sizeof(struct landlock_file_security),
23 	.lbs_inode = sizeof(struct landlock_inode_security),
24 	.lbs_superblock = sizeof(struct landlock_superblock_security),
25 };
26 
27 static int __init landlock_init(void)
28 {
29 	landlock_add_cred_hooks();
30 	landlock_add_ptrace_hooks();
31 	landlock_add_fs_hooks();
32 	landlock_initialized = true;
33 	pr_info("Up and running.\n");
34 	return 0;
35 }
36 
37 DEFINE_LSM(LANDLOCK_NAME) = {
38 	.name = LANDLOCK_NAME,
39 	.init = landlock_init,
40 	.blobs = &landlock_blob_sizes,
41 };
42