8 * Copyright (C) 2001 Silicon Graphics, Inc. (Trust Technology Group)
9 * Copyright (C) 2016 Mellanox Techonologies
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * Due to this file being licensed under the GPL there is controversy over
17 * whether this permits you to write a module that #includes this file
18 * without placing your module under the GPL. Please consult a lawyer for
19 * advice before doing this.
23 #ifndef __LINUX_SECURITY_H
24 #define __LINUX_SECURITY_H
26 #include <linux/key.h>
27 #include <linux/capability.h>
29 #include <linux/slab.h>
30 #include <linux/err.h>
31 #include <linux/string.h>
38 struct kernel_siginfo;
51 struct file_operations;
61 /* Default (no) options for the capable function */
62 #define CAP_OPT_NONE 0x0
63 /* If capable should audit the security request */
64 #define CAP_OPT_NOAUDIT BIT(1)
65 /* If capable is being called by a setid function */
66 #define CAP_OPT_INSETID BIT(2)
68 /* LSM Agnostic defines for fs_context::lsm_flags */
69 #define SECURITY_LSM_NATIVE_LABELS 1
73 struct user_namespace;
81 * These are reasons that can be passed to the security_locked_down()
82 * LSM hook. Lockdown reasons that protect kernel integrity (ie, the
83 * ability for userland to modify kernel code) are placed before
84 * LOCKDOWN_INTEGRITY_MAX. Lockdown reasons that protect kernel
85 * confidentiality (ie, the ability for userland to extract
86 * information from the running kernel that would otherwise be
87 * restricted) are placed before LOCKDOWN_CONFIDENTIALITY_MAX.
89 * LSM authors should note that the semantics of any given lockdown
90 * reason are not guaranteed to be stable - the same reason may block
91 * one set of features in one kernel release, and a slightly different
92 * set of features in a later kernel release. LSMs that seek to expose
93 * lockdown policy at any level of granularity other than "none",
94 * "integrity" or "confidentiality" are responsible for either
95 * ensuring that they expose a consistent level of functionality to
96 * userland, or ensuring that userland is aware that this is
97 * potentially a moving target. It is easy to misuse this information
98 * in a way that could break userspace. Please be careful not to do
101 * If you add to this, remember to extend lockdown_reasons in
102 * security/lockdown/lockdown.c.
104 enum lockdown_reason {
106 LOCKDOWN_MODULE_SIGNATURE,
109 LOCKDOWN_HIBERNATION,
113 LOCKDOWN_ACPI_TABLES,
115 LOCKDOWN_TIOCSSERIAL,
116 LOCKDOWN_MODULE_PARAMETERS,
119 LOCKDOWN_INTEGRITY_MAX,
125 LOCKDOWN_CONFIDENTIALITY_MAX,
128 /* These functions are in security/commoncap.c */
129 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
130 int cap, unsigned int opts);
131 extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
132 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
133 extern int cap_ptrace_traceme(struct task_struct *parent);
134 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
135 extern int cap_capset(struct cred *new, const struct cred *old,
136 const kernel_cap_t *effective,
137 const kernel_cap_t *inheritable,
138 const kernel_cap_t *permitted);
139 extern int cap_bprm_set_creds(struct linux_binprm *bprm);
140 extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
141 const void *value, size_t size, int flags);
142 extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
143 extern int cap_inode_need_killpriv(struct dentry *dentry);
144 extern int cap_inode_killpriv(struct dentry *dentry);
145 extern int cap_inode_getsecurity(struct inode *inode, const char *name,
146 void **buffer, bool alloc);
147 extern int cap_mmap_addr(unsigned long addr);
148 extern int cap_mmap_file(struct file *file, unsigned long reqprot,
149 unsigned long prot, unsigned long flags);
150 extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
151 extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
152 unsigned long arg4, unsigned long arg5);
153 extern int cap_task_setscheduler(struct task_struct *p);
154 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
155 extern int cap_task_setnice(struct task_struct *p, int nice);
156 extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
165 struct xfrm_selector;
168 struct xfrm_user_sec_ctx;
170 struct sctp_endpoint;
173 extern unsigned long mmap_min_addr;
174 extern unsigned long dac_mmap_min_addr;
176 #define mmap_min_addr 0UL
177 #define dac_mmap_min_addr 0UL
181 * Values used in the task_security_ops calls
183 /* setuid or setgid, id0 == uid or gid */
184 #define LSM_SETID_ID 1
186 /* setreuid or setregid, id0 == real, id1 == eff */
187 #define LSM_SETID_RE 2
189 /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
190 #define LSM_SETID_RES 4
192 /* setfsuid or setfsgid, id0 == fsuid or fsgid */
193 #define LSM_SETID_FS 8
195 /* Flags for security_task_prlimit(). */
196 #define LSM_PRLIMIT_READ 1
197 #define LSM_PRLIMIT_WRITE 2
199 /* forward declares to avoid warnings */
203 /* bprm->unsafe reasons */
204 #define LSM_UNSAFE_SHARE 1
205 #define LSM_UNSAFE_PTRACE 2
206 #define LSM_UNSAFE_NO_NEW_PRIVS 4
209 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
210 void __user *buffer, size_t *lenp, loff_t *ppos);
213 /* security_inode_init_security callback function to write xattrs */
214 typedef int (*initxattrs) (struct inode *inode,
215 const struct xattr *xattr_array, void *fs_data);
218 /* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
219 #define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
220 #define __data_id_stringify(dummy, str) #str,
222 enum kernel_load_data_id {
223 __kernel_read_file_id(__data_id_enumify)
226 static const char * const kernel_load_data_str[] = {
227 __kernel_read_file_id(__data_id_stringify)
230 static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
232 if ((unsigned)id >= LOADING_MAX_ID)
233 return kernel_load_data_str[LOADING_UNKNOWN];
235 return kernel_load_data_str[id];
238 #ifdef CONFIG_SECURITY
240 int call_blocking_lsm_notifier(enum lsm_event event, void *data);
241 int register_blocking_lsm_notifier(struct notifier_block *nb);
242 int unregister_blocking_lsm_notifier(struct notifier_block *nb);
245 extern int security_init(void);
246 extern int early_security_init(void);
248 /* Security operations */
249 int security_binder_set_context_mgr(struct task_struct *mgr);
250 int security_binder_transaction(struct task_struct *from,
251 struct task_struct *to);
252 int security_binder_transfer_binder(struct task_struct *from,
253 struct task_struct *to);
254 int security_binder_transfer_file(struct task_struct *from,
255 struct task_struct *to, struct file *file);
256 int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
257 int security_ptrace_traceme(struct task_struct *parent);
258 int security_capget(struct task_struct *target,
259 kernel_cap_t *effective,
260 kernel_cap_t *inheritable,
261 kernel_cap_t *permitted);
262 int security_capset(struct cred *new, const struct cred *old,
263 const kernel_cap_t *effective,
264 const kernel_cap_t *inheritable,
265 const kernel_cap_t *permitted);
266 int security_capable(const struct cred *cred,
267 struct user_namespace *ns,
270 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
271 int security_quota_on(struct dentry *dentry);
272 int security_syslog(int type);
273 int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
274 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
275 int security_bprm_set_creds(struct linux_binprm *bprm);
276 int security_bprm_check(struct linux_binprm *bprm);
277 void security_bprm_committing_creds(struct linux_binprm *bprm);
278 void security_bprm_committed_creds(struct linux_binprm *bprm);
279 int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
280 int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
281 int security_sb_alloc(struct super_block *sb);
282 void security_sb_free(struct super_block *sb);
283 void security_free_mnt_opts(void **mnt_opts);
284 int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
285 int security_sb_remount(struct super_block *sb, void *mnt_opts);
286 int security_sb_kern_mount(struct super_block *sb);
287 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
288 int security_sb_statfs(struct dentry *dentry);
289 int security_sb_mount(const char *dev_name, const struct path *path,
290 const char *type, unsigned long flags, void *data);
291 int security_sb_umount(struct vfsmount *mnt, int flags);
292 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
293 int security_sb_set_mnt_opts(struct super_block *sb,
295 unsigned long kern_flags,
296 unsigned long *set_kern_flags);
297 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
298 struct super_block *newsb,
299 unsigned long kern_flags,
300 unsigned long *set_kern_flags);
301 int security_add_mnt_opt(const char *option, const char *val,
302 int len, void **mnt_opts);
303 int security_move_mount(const struct path *from_path, const struct path *to_path);
304 int security_dentry_init_security(struct dentry *dentry, int mode,
305 const struct qstr *name, void **ctx,
307 int security_dentry_create_files_as(struct dentry *dentry, int mode,
309 const struct cred *old,
311 int security_path_notify(const struct path *path, u64 mask,
312 unsigned int obj_type);
313 int security_inode_alloc(struct inode *inode);
314 void security_inode_free(struct inode *inode);
315 int security_inode_init_security(struct inode *inode, struct inode *dir,
316 const struct qstr *qstr,
317 initxattrs initxattrs, void *fs_data);
318 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
319 const struct qstr *qstr, const char **name,
320 void **value, size_t *len);
321 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
322 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
323 struct dentry *new_dentry);
324 int security_inode_unlink(struct inode *dir, struct dentry *dentry);
325 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
326 const char *old_name);
327 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
328 int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
329 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
330 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
331 struct inode *new_dir, struct dentry *new_dentry,
333 int security_inode_readlink(struct dentry *dentry);
334 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
336 int security_inode_permission(struct inode *inode, int mask);
337 int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
338 int security_inode_getattr(const struct path *path);
339 int security_inode_setxattr(struct dentry *dentry, const char *name,
340 const void *value, size_t size, int flags);
341 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
342 const void *value, size_t size, int flags);
343 int security_inode_getxattr(struct dentry *dentry, const char *name);
344 int security_inode_listxattr(struct dentry *dentry);
345 int security_inode_removexattr(struct dentry *dentry, const char *name);
346 int security_inode_need_killpriv(struct dentry *dentry);
347 int security_inode_killpriv(struct dentry *dentry);
348 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
349 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
350 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
351 void security_inode_getsecid(struct inode *inode, u32 *secid);
352 int security_inode_copy_up(struct dentry *src, struct cred **new);
353 int security_inode_copy_up_xattr(const char *name);
354 int security_kernfs_init_security(struct kernfs_node *kn_dir,
355 struct kernfs_node *kn);
356 int security_file_permission(struct file *file, int mask);
357 int security_file_alloc(struct file *file);
358 void security_file_free(struct file *file);
359 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
360 int security_mmap_file(struct file *file, unsigned long prot,
361 unsigned long flags);
362 int security_mmap_addr(unsigned long addr);
363 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
365 int security_file_lock(struct file *file, unsigned int cmd);
366 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
367 void security_file_set_fowner(struct file *file);
368 int security_file_send_sigiotask(struct task_struct *tsk,
369 struct fown_struct *fown, int sig);
370 int security_file_receive(struct file *file);
371 int security_file_open(struct file *file);
372 int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
373 void security_task_free(struct task_struct *task);
374 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
375 void security_cred_free(struct cred *cred);
376 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
377 void security_transfer_creds(struct cred *new, const struct cred *old);
378 void security_cred_getsecid(const struct cred *c, u32 *secid);
379 int security_kernel_act_as(struct cred *new, u32 secid);
380 int security_kernel_create_files_as(struct cred *new, struct inode *inode);
381 int security_kernel_module_request(char *kmod_name);
382 int security_kernel_load_data(enum kernel_load_data_id id);
383 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
384 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
385 enum kernel_read_file_id id);
386 int security_task_fix_setuid(struct cred *new, const struct cred *old,
388 int security_task_setpgid(struct task_struct *p, pid_t pgid);
389 int security_task_getpgid(struct task_struct *p);
390 int security_task_getsid(struct task_struct *p);
391 void security_task_getsecid(struct task_struct *p, u32 *secid);
392 int security_task_setnice(struct task_struct *p, int nice);
393 int security_task_setioprio(struct task_struct *p, int ioprio);
394 int security_task_getioprio(struct task_struct *p);
395 int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
397 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
398 struct rlimit *new_rlim);
399 int security_task_setscheduler(struct task_struct *p);
400 int security_task_getscheduler(struct task_struct *p);
401 int security_task_movememory(struct task_struct *p);
402 int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
403 int sig, const struct cred *cred);
404 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
405 unsigned long arg4, unsigned long arg5);
406 void security_task_to_inode(struct task_struct *p, struct inode *inode);
407 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
408 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
409 int security_msg_msg_alloc(struct msg_msg *msg);
410 void security_msg_msg_free(struct msg_msg *msg);
411 int security_msg_queue_alloc(struct kern_ipc_perm *msq);
412 void security_msg_queue_free(struct kern_ipc_perm *msq);
413 int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
414 int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
415 int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
416 struct msg_msg *msg, int msqflg);
417 int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
418 struct task_struct *target, long type, int mode);
419 int security_shm_alloc(struct kern_ipc_perm *shp);
420 void security_shm_free(struct kern_ipc_perm *shp);
421 int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
422 int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
423 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
424 int security_sem_alloc(struct kern_ipc_perm *sma);
425 void security_sem_free(struct kern_ipc_perm *sma);
426 int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
427 int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
428 int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
429 unsigned nsops, int alter);
430 void security_d_instantiate(struct dentry *dentry, struct inode *inode);
431 int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
433 int security_setprocattr(const char *lsm, const char *name, void *value,
435 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
436 int security_ismaclabel(const char *name);
437 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
438 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
439 void security_release_secctx(char *secdata, u32 seclen);
440 void security_inode_invalidate_secctx(struct inode *inode);
441 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
442 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
443 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
444 int security_locked_down(enum lockdown_reason what);
445 #else /* CONFIG_SECURITY */
447 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
452 static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
457 static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
462 static inline void security_free_mnt_opts(void **mnt_opts)
467 * This is the default capabilities functionality. Most of these functions
468 * are just stubbed out, but a few must call the proper capable code.
471 static inline int security_init(void)
476 static inline int early_security_init(void)
481 static inline int security_binder_set_context_mgr(struct task_struct *mgr)
486 static inline int security_binder_transaction(struct task_struct *from,
487 struct task_struct *to)
492 static inline int security_binder_transfer_binder(struct task_struct *from,
493 struct task_struct *to)
498 static inline int security_binder_transfer_file(struct task_struct *from,
499 struct task_struct *to,
505 static inline int security_ptrace_access_check(struct task_struct *child,
508 return cap_ptrace_access_check(child, mode);
511 static inline int security_ptrace_traceme(struct task_struct *parent)
513 return cap_ptrace_traceme(parent);
516 static inline int security_capget(struct task_struct *target,
517 kernel_cap_t *effective,
518 kernel_cap_t *inheritable,
519 kernel_cap_t *permitted)
521 return cap_capget(target, effective, inheritable, permitted);
524 static inline int security_capset(struct cred *new,
525 const struct cred *old,
526 const kernel_cap_t *effective,
527 const kernel_cap_t *inheritable,
528 const kernel_cap_t *permitted)
530 return cap_capset(new, old, effective, inheritable, permitted);
533 static inline int security_capable(const struct cred *cred,
534 struct user_namespace *ns,
538 return cap_capable(cred, ns, cap, opts);
541 static inline int security_quotactl(int cmds, int type, int id,
542 struct super_block *sb)
547 static inline int security_quota_on(struct dentry *dentry)
552 static inline int security_syslog(int type)
557 static inline int security_settime64(const struct timespec64 *ts,
558 const struct timezone *tz)
560 return cap_settime(ts, tz);
563 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
565 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
568 static inline int security_bprm_set_creds(struct linux_binprm *bprm)
570 return cap_bprm_set_creds(bprm);
573 static inline int security_bprm_check(struct linux_binprm *bprm)
578 static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
582 static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
586 static inline int security_fs_context_dup(struct fs_context *fc,
587 struct fs_context *src_fc)
591 static inline int security_fs_context_parse_param(struct fs_context *fc,
592 struct fs_parameter *param)
597 static inline int security_sb_alloc(struct super_block *sb)
602 static inline void security_sb_free(struct super_block *sb)
605 static inline int security_sb_eat_lsm_opts(char *options,
611 static inline int security_sb_remount(struct super_block *sb,
617 static inline int security_sb_kern_mount(struct super_block *sb)
622 static inline int security_sb_show_options(struct seq_file *m,
623 struct super_block *sb)
628 static inline int security_sb_statfs(struct dentry *dentry)
633 static inline int security_sb_mount(const char *dev_name, const struct path *path,
634 const char *type, unsigned long flags,
640 static inline int security_sb_umount(struct vfsmount *mnt, int flags)
645 static inline int security_sb_pivotroot(const struct path *old_path,
646 const struct path *new_path)
651 static inline int security_sb_set_mnt_opts(struct super_block *sb,
653 unsigned long kern_flags,
654 unsigned long *set_kern_flags)
659 static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
660 struct super_block *newsb,
661 unsigned long kern_flags,
662 unsigned long *set_kern_flags)
667 static inline int security_add_mnt_opt(const char *option, const char *val,
668 int len, void **mnt_opts)
673 static inline int security_move_mount(const struct path *from_path,
674 const struct path *to_path)
679 static inline int security_path_notify(const struct path *path, u64 mask,
680 unsigned int obj_type)
685 static inline int security_inode_alloc(struct inode *inode)
690 static inline void security_inode_free(struct inode *inode)
693 static inline int security_dentry_init_security(struct dentry *dentry,
695 const struct qstr *name,
702 static inline int security_dentry_create_files_as(struct dentry *dentry,
703 int mode, struct qstr *name,
704 const struct cred *old,
711 static inline int security_inode_init_security(struct inode *inode,
713 const struct qstr *qstr,
714 const initxattrs xattrs,
720 static inline int security_old_inode_init_security(struct inode *inode,
722 const struct qstr *qstr,
724 void **value, size_t *len)
729 static inline int security_inode_create(struct inode *dir,
730 struct dentry *dentry,
736 static inline int security_inode_link(struct dentry *old_dentry,
738 struct dentry *new_dentry)
743 static inline int security_inode_unlink(struct inode *dir,
744 struct dentry *dentry)
749 static inline int security_inode_symlink(struct inode *dir,
750 struct dentry *dentry,
751 const char *old_name)
756 static inline int security_inode_mkdir(struct inode *dir,
757 struct dentry *dentry,
763 static inline int security_inode_rmdir(struct inode *dir,
764 struct dentry *dentry)
769 static inline int security_inode_mknod(struct inode *dir,
770 struct dentry *dentry,
776 static inline int security_inode_rename(struct inode *old_dir,
777 struct dentry *old_dentry,
778 struct inode *new_dir,
779 struct dentry *new_dentry,
785 static inline int security_inode_readlink(struct dentry *dentry)
790 static inline int security_inode_follow_link(struct dentry *dentry,
797 static inline int security_inode_permission(struct inode *inode, int mask)
802 static inline int security_inode_setattr(struct dentry *dentry,
808 static inline int security_inode_getattr(const struct path *path)
813 static inline int security_inode_setxattr(struct dentry *dentry,
814 const char *name, const void *value, size_t size, int flags)
816 return cap_inode_setxattr(dentry, name, value, size, flags);
819 static inline void security_inode_post_setxattr(struct dentry *dentry,
820 const char *name, const void *value, size_t size, int flags)
823 static inline int security_inode_getxattr(struct dentry *dentry,
829 static inline int security_inode_listxattr(struct dentry *dentry)
834 static inline int security_inode_removexattr(struct dentry *dentry,
837 return cap_inode_removexattr(dentry, name);
840 static inline int security_inode_need_killpriv(struct dentry *dentry)
842 return cap_inode_need_killpriv(dentry);
845 static inline int security_inode_killpriv(struct dentry *dentry)
847 return cap_inode_killpriv(dentry);
850 static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
855 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
860 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
865 static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
870 static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
875 static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
876 struct kernfs_node *kn)
881 static inline int security_inode_copy_up_xattr(const char *name)
886 static inline int security_file_permission(struct file *file, int mask)
891 static inline int security_file_alloc(struct file *file)
896 static inline void security_file_free(struct file *file)
899 static inline int security_file_ioctl(struct file *file, unsigned int cmd,
905 static inline int security_mmap_file(struct file *file, unsigned long prot,
911 static inline int security_mmap_addr(unsigned long addr)
913 return cap_mmap_addr(addr);
916 static inline int security_file_mprotect(struct vm_area_struct *vma,
917 unsigned long reqprot,
923 static inline int security_file_lock(struct file *file, unsigned int cmd)
928 static inline int security_file_fcntl(struct file *file, unsigned int cmd,
934 static inline void security_file_set_fowner(struct file *file)
939 static inline int security_file_send_sigiotask(struct task_struct *tsk,
940 struct fown_struct *fown,
946 static inline int security_file_receive(struct file *file)
951 static inline int security_file_open(struct file *file)
956 static inline int security_task_alloc(struct task_struct *task,
957 unsigned long clone_flags)
962 static inline void security_task_free(struct task_struct *task)
965 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
970 static inline void security_cred_free(struct cred *cred)
973 static inline int security_prepare_creds(struct cred *new,
974 const struct cred *old,
980 static inline void security_transfer_creds(struct cred *new,
981 const struct cred *old)
985 static inline int security_kernel_act_as(struct cred *cred, u32 secid)
990 static inline int security_kernel_create_files_as(struct cred *cred,
996 static inline int security_kernel_module_request(char *kmod_name)
1001 static inline int security_kernel_load_data(enum kernel_load_data_id id)
1006 static inline int security_kernel_read_file(struct file *file,
1007 enum kernel_read_file_id id)
1012 static inline int security_kernel_post_read_file(struct file *file,
1013 char *buf, loff_t size,
1014 enum kernel_read_file_id id)
1019 static inline int security_task_fix_setuid(struct cred *new,
1020 const struct cred *old,
1023 return cap_task_fix_setuid(new, old, flags);
1026 static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1031 static inline int security_task_getpgid(struct task_struct *p)
1036 static inline int security_task_getsid(struct task_struct *p)
1041 static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
1046 static inline int security_task_setnice(struct task_struct *p, int nice)
1048 return cap_task_setnice(p, nice);
1051 static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1053 return cap_task_setioprio(p, ioprio);
1056 static inline int security_task_getioprio(struct task_struct *p)
1061 static inline int security_task_prlimit(const struct cred *cred,
1062 const struct cred *tcred,
1068 static inline int security_task_setrlimit(struct task_struct *p,
1069 unsigned int resource,
1070 struct rlimit *new_rlim)
1075 static inline int security_task_setscheduler(struct task_struct *p)
1077 return cap_task_setscheduler(p);
1080 static inline int security_task_getscheduler(struct task_struct *p)
1085 static inline int security_task_movememory(struct task_struct *p)
1090 static inline int security_task_kill(struct task_struct *p,
1091 struct kernel_siginfo *info, int sig,
1092 const struct cred *cred)
1097 static inline int security_task_prctl(int option, unsigned long arg2,
1102 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1105 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1108 static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1114 static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1119 static inline int security_msg_msg_alloc(struct msg_msg *msg)
1124 static inline void security_msg_msg_free(struct msg_msg *msg)
1127 static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1132 static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1135 static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1141 static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1146 static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1147 struct msg_msg *msg, int msqflg)
1152 static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1153 struct msg_msg *msg,
1154 struct task_struct *target,
1155 long type, int mode)
1160 static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1165 static inline void security_shm_free(struct kern_ipc_perm *shp)
1168 static inline int security_shm_associate(struct kern_ipc_perm *shp,
1174 static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1179 static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1180 char __user *shmaddr, int shmflg)
1185 static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1190 static inline void security_sem_free(struct kern_ipc_perm *sma)
1193 static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1198 static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1203 static inline int security_sem_semop(struct kern_ipc_perm *sma,
1204 struct sembuf *sops, unsigned nsops,
1210 static inline void security_d_instantiate(struct dentry *dentry,
1211 struct inode *inode)
1214 static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1215 char *name, char **value)
1220 static inline int security_setprocattr(const char *lsm, char *name,
1221 void *value, size_t size)
1226 static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1231 static inline int security_ismaclabel(const char *name)
1236 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1241 static inline int security_secctx_to_secid(const char *secdata,
1248 static inline void security_release_secctx(char *secdata, u32 seclen)
1252 static inline void security_inode_invalidate_secctx(struct inode *inode)
1256 static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1260 static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1264 static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1268 static inline int security_locked_down(enum lockdown_reason what)
1272 #endif /* CONFIG_SECURITY */
1274 #ifdef CONFIG_SECURITY_NETWORK
1276 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1277 int security_unix_may_send(struct socket *sock, struct socket *other);
1278 int security_socket_create(int family, int type, int protocol, int kern);
1279 int security_socket_post_create(struct socket *sock, int family,
1280 int type, int protocol, int kern);
1281 int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1282 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1283 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1284 int security_socket_listen(struct socket *sock, int backlog);
1285 int security_socket_accept(struct socket *sock, struct socket *newsock);
1286 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1287 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1288 int size, int flags);
1289 int security_socket_getsockname(struct socket *sock);
1290 int security_socket_getpeername(struct socket *sock);
1291 int security_socket_getsockopt(struct socket *sock, int level, int optname);
1292 int security_socket_setsockopt(struct socket *sock, int level, int optname);
1293 int security_socket_shutdown(struct socket *sock, int how);
1294 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1295 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1296 int __user *optlen, unsigned len);
1297 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1298 int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1299 void security_sk_free(struct sock *sk);
1300 void security_sk_clone(const struct sock *sk, struct sock *newsk);
1301 void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
1302 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
1303 void security_sock_graft(struct sock*sk, struct socket *parent);
1304 int security_inet_conn_request(struct sock *sk,
1305 struct sk_buff *skb, struct request_sock *req);
1306 void security_inet_csk_clone(struct sock *newsk,
1307 const struct request_sock *req);
1308 void security_inet_conn_established(struct sock *sk,
1309 struct sk_buff *skb);
1310 int security_secmark_relabel_packet(u32 secid);
1311 void security_secmark_refcount_inc(void);
1312 void security_secmark_refcount_dec(void);
1313 int security_tun_dev_alloc_security(void **security);
1314 void security_tun_dev_free_security(void *security);
1315 int security_tun_dev_create(void);
1316 int security_tun_dev_attach_queue(void *security);
1317 int security_tun_dev_attach(struct sock *sk, void *security);
1318 int security_tun_dev_open(void *security);
1319 int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb);
1320 int security_sctp_bind_connect(struct sock *sk, int optname,
1321 struct sockaddr *address, int addrlen);
1322 void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
1323 struct sock *newsk);
1325 #else /* CONFIG_SECURITY_NETWORK */
1326 static inline int security_unix_stream_connect(struct sock *sock,
1333 static inline int security_unix_may_send(struct socket *sock,
1334 struct socket *other)
1339 static inline int security_socket_create(int family, int type,
1340 int protocol, int kern)
1345 static inline int security_socket_post_create(struct socket *sock,
1348 int protocol, int kern)
1353 static inline int security_socket_socketpair(struct socket *socka,
1354 struct socket *sockb)
1359 static inline int security_socket_bind(struct socket *sock,
1360 struct sockaddr *address,
1366 static inline int security_socket_connect(struct socket *sock,
1367 struct sockaddr *address,
1373 static inline int security_socket_listen(struct socket *sock, int backlog)
1378 static inline int security_socket_accept(struct socket *sock,
1379 struct socket *newsock)
1384 static inline int security_socket_sendmsg(struct socket *sock,
1385 struct msghdr *msg, int size)
1390 static inline int security_socket_recvmsg(struct socket *sock,
1391 struct msghdr *msg, int size,
1397 static inline int security_socket_getsockname(struct socket *sock)
1402 static inline int security_socket_getpeername(struct socket *sock)
1407 static inline int security_socket_getsockopt(struct socket *sock,
1408 int level, int optname)
1413 static inline int security_socket_setsockopt(struct socket *sock,
1414 int level, int optname)
1419 static inline int security_socket_shutdown(struct socket *sock, int how)
1423 static inline int security_sock_rcv_skb(struct sock *sk,
1424 struct sk_buff *skb)
1429 static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1430 int __user *optlen, unsigned len)
1432 return -ENOPROTOOPT;
1435 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1437 return -ENOPROTOOPT;
1440 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1445 static inline void security_sk_free(struct sock *sk)
1449 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1453 static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1457 static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1461 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1465 static inline int security_inet_conn_request(struct sock *sk,
1466 struct sk_buff *skb, struct request_sock *req)
1471 static inline void security_inet_csk_clone(struct sock *newsk,
1472 const struct request_sock *req)
1476 static inline void security_inet_conn_established(struct sock *sk,
1477 struct sk_buff *skb)
1481 static inline int security_secmark_relabel_packet(u32 secid)
1486 static inline void security_secmark_refcount_inc(void)
1490 static inline void security_secmark_refcount_dec(void)
1494 static inline int security_tun_dev_alloc_security(void **security)
1499 static inline void security_tun_dev_free_security(void *security)
1503 static inline int security_tun_dev_create(void)
1508 static inline int security_tun_dev_attach_queue(void *security)
1513 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1518 static inline int security_tun_dev_open(void *security)
1523 static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
1524 struct sk_buff *skb)
1529 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1530 struct sockaddr *address,
1536 static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
1541 #endif /* CONFIG_SECURITY_NETWORK */
1543 #ifdef CONFIG_SECURITY_INFINIBAND
1544 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1545 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1546 int security_ib_alloc_security(void **sec);
1547 void security_ib_free_security(void *sec);
1548 #else /* CONFIG_SECURITY_INFINIBAND */
1549 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1554 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1559 static inline int security_ib_alloc_security(void **sec)
1564 static inline void security_ib_free_security(void *sec)
1567 #endif /* CONFIG_SECURITY_INFINIBAND */
1569 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1571 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1572 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1573 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1574 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1575 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1576 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1577 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1578 struct xfrm_sec_ctx *polsec, u32 secid);
1579 int security_xfrm_state_delete(struct xfrm_state *x);
1580 void security_xfrm_state_free(struct xfrm_state *x);
1581 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
1582 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1583 struct xfrm_policy *xp,
1584 const struct flowi *fl);
1585 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1586 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
1588 #else /* CONFIG_SECURITY_NETWORK_XFRM */
1590 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1591 struct xfrm_user_sec_ctx *sec_ctx,
1597 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1602 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1606 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1611 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1612 struct xfrm_user_sec_ctx *sec_ctx)
1617 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1618 struct xfrm_sec_ctx *polsec, u32 secid)
1623 static inline void security_xfrm_state_free(struct xfrm_state *x)
1627 static inline int security_xfrm_state_delete(struct xfrm_state *x)
1632 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1637 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1638 struct xfrm_policy *xp, const struct flowi *fl)
1643 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1648 static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1652 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1654 #ifdef CONFIG_SECURITY_PATH
1655 int security_path_unlink(const struct path *dir, struct dentry *dentry);
1656 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1657 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1658 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1660 int security_path_truncate(const struct path *path);
1661 int security_path_symlink(const struct path *dir, struct dentry *dentry,
1662 const char *old_name);
1663 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1664 struct dentry *new_dentry);
1665 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1666 const struct path *new_dir, struct dentry *new_dentry,
1667 unsigned int flags);
1668 int security_path_chmod(const struct path *path, umode_t mode);
1669 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1670 int security_path_chroot(const struct path *path);
1671 #else /* CONFIG_SECURITY_PATH */
1672 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1677 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1683 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1688 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1689 umode_t mode, unsigned int dev)
1694 static inline int security_path_truncate(const struct path *path)
1699 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1700 const char *old_name)
1705 static inline int security_path_link(struct dentry *old_dentry,
1706 const struct path *new_dir,
1707 struct dentry *new_dentry)
1712 static inline int security_path_rename(const struct path *old_dir,
1713 struct dentry *old_dentry,
1714 const struct path *new_dir,
1715 struct dentry *new_dentry,
1721 static inline int security_path_chmod(const struct path *path, umode_t mode)
1726 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1731 static inline int security_path_chroot(const struct path *path)
1735 #endif /* CONFIG_SECURITY_PATH */
1738 #ifdef CONFIG_SECURITY
1740 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1741 void security_key_free(struct key *key);
1742 int security_key_permission(key_ref_t key_ref,
1743 const struct cred *cred, unsigned perm);
1744 int security_key_getsecurity(struct key *key, char **_buffer);
1748 static inline int security_key_alloc(struct key *key,
1749 const struct cred *cred,
1750 unsigned long flags)
1755 static inline void security_key_free(struct key *key)
1759 static inline int security_key_permission(key_ref_t key_ref,
1760 const struct cred *cred,
1766 static inline int security_key_getsecurity(struct key *key, char **_buffer)
1773 #endif /* CONFIG_KEYS */
1776 #ifdef CONFIG_SECURITY
1777 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1778 int security_audit_rule_known(struct audit_krule *krule);
1779 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1780 void security_audit_rule_free(void *lsmrule);
1784 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1790 static inline int security_audit_rule_known(struct audit_krule *krule)
1795 static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1801 static inline void security_audit_rule_free(void *lsmrule)
1804 #endif /* CONFIG_SECURITY */
1805 #endif /* CONFIG_AUDIT */
1807 #ifdef CONFIG_SECURITYFS
1809 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1810 struct dentry *parent, void *data,
1811 const struct file_operations *fops);
1812 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1813 struct dentry *securityfs_create_symlink(const char *name,
1814 struct dentry *parent,
1816 const struct inode_operations *iops);
1817 extern void securityfs_remove(struct dentry *dentry);
1819 #else /* CONFIG_SECURITYFS */
1821 static inline struct dentry *securityfs_create_dir(const char *name,
1822 struct dentry *parent)
1824 return ERR_PTR(-ENODEV);
1827 static inline struct dentry *securityfs_create_file(const char *name,
1829 struct dentry *parent,
1831 const struct file_operations *fops)
1833 return ERR_PTR(-ENODEV);
1836 static inline struct dentry *securityfs_create_symlink(const char *name,
1837 struct dentry *parent,
1839 const struct inode_operations *iops)
1841 return ERR_PTR(-ENODEV);
1844 static inline void securityfs_remove(struct dentry *dentry)
1849 #ifdef CONFIG_BPF_SYSCALL
1853 struct bpf_prog_aux;
1854 #ifdef CONFIG_SECURITY
1855 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1856 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1857 extern int security_bpf_prog(struct bpf_prog *prog);
1858 extern int security_bpf_map_alloc(struct bpf_map *map);
1859 extern void security_bpf_map_free(struct bpf_map *map);
1860 extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1861 extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1863 static inline int security_bpf(int cmd, union bpf_attr *attr,
1869 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1874 static inline int security_bpf_prog(struct bpf_prog *prog)
1879 static inline int security_bpf_map_alloc(struct bpf_map *map)
1884 static inline void security_bpf_map_free(struct bpf_map *map)
1887 static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1892 static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
1894 #endif /* CONFIG_SECURITY */
1895 #endif /* CONFIG_BPF_SYSCALL */
1897 #ifdef CONFIG_PERF_EVENTS
1898 struct perf_event_attr;
1901 #ifdef CONFIG_SECURITY
1902 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
1903 extern int security_perf_event_alloc(struct perf_event *event);
1904 extern void security_perf_event_free(struct perf_event *event);
1905 extern int security_perf_event_read(struct perf_event *event);
1906 extern int security_perf_event_write(struct perf_event *event);
1908 static inline int security_perf_event_open(struct perf_event_attr *attr,
1914 static inline int security_perf_event_alloc(struct perf_event *event)
1919 static inline void security_perf_event_free(struct perf_event *event)
1923 static inline int security_perf_event_read(struct perf_event *event)
1928 static inline int security_perf_event_write(struct perf_event *event)
1932 #endif /* CONFIG_SECURITY */
1933 #endif /* CONFIG_PERF_EVENTS */
1935 #endif /* ! __LINUX_SECURITY_H */