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 #include <uapi/linux/lsm.h> 12 13 #include "common.h" 14 #include "cred.h" 15 #include "fs.h" 16 #include "net.h" 17 #include "ptrace.h" 18 #include "setup.h" 19 20 bool landlock_initialized __ro_after_init = false; 21 22 struct lsm_blob_sizes landlock_blob_sizes __ro_after_init = { 23 .lbs_cred = sizeof(struct landlock_cred_security), 24 .lbs_file = sizeof(struct landlock_file_security), 25 .lbs_inode = sizeof(struct landlock_inode_security), 26 .lbs_superblock = sizeof(struct landlock_superblock_security), 27 }; 28 29 const struct lsm_id landlock_lsmid = { 30 .name = LANDLOCK_NAME, 31 .id = LSM_ID_LANDLOCK, 32 }; 33 34 static int __init landlock_init(void) 35 { 36 landlock_add_cred_hooks(); 37 landlock_add_ptrace_hooks(); 38 landlock_add_fs_hooks(); 39 landlock_add_net_hooks(); 40 landlock_initialized = true; 41 pr_info("Up and running.\n"); 42 return 0; 43 } 44 45 DEFINE_LSM(LANDLOCK_NAME) = { 46 .name = LANDLOCK_NAME, 47 .init = landlock_init, 48 .blobs = &landlock_blob_sizes, 49 }; 50