1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * LSM functions 4 */ 5 6 #ifndef _LSM_H_ 7 #define _LSM_H_ 8 9 #include <linux/printk.h> 10 #include <linux/lsm_hooks.h> 11 #include <linux/lsm_count.h> 12 13 /* LSM debugging */ 14 extern bool lsm_debug; 15 #define lsm_pr(...) pr_info(__VA_ARGS__) 16 #define lsm_pr_cont(...) pr_cont(__VA_ARGS__) 17 #define lsm_pr_dbg(...) \ 18 do { \ 19 if (lsm_debug) \ 20 pr_info(__VA_ARGS__); \ 21 } while (0) 22 23 /* List of configured LSMs */ 24 extern unsigned int lsm_active_cnt; 25 extern const struct lsm_id *lsm_idlist[]; 26 27 /* LSM blob configuration */ 28 extern struct lsm_blob_sizes blob_sizes; 29 30 /* LSM blob caches */ 31 extern struct kmem_cache *lsm_file_cache; 32 extern struct kmem_cache *lsm_inode_cache; 33 34 /* LSM blob allocators */ 35 int lsm_cred_alloc(struct cred *cred, gfp_t gfp); 36 int lsm_task_alloc(struct task_struct *task); 37 38 /* LSM framework initializers */ 39 40 #ifdef CONFIG_MMU 41 int min_addr_init(void); 42 #else 43 static inline int min_addr_init(void) 44 { 45 return 0; 46 } 47 #endif /* CONFIG_MMU */ 48 49 #ifdef CONFIG_SECURITYFS 50 int securityfs_init(void); 51 #else 52 static inline int securityfs_init(void) 53 { 54 return 0; 55 } 56 #endif /* CONFIG_SECURITYFS */ 57 58 #endif /* _LSM_H_ */ 59