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,
110 LOCKDOWN_HIBERNATION,
114 LOCKDOWN_ACPI_TABLES,
116 LOCKDOWN_TIOCSSERIAL,
117 LOCKDOWN_MODULE_PARAMETERS,
121 LOCKDOWN_INTEGRITY_MAX,
128 LOCKDOWN_CONFIDENTIALITY_MAX,
131 /* These functions are in security/commoncap.c */
132 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
133 int cap, unsigned int opts);
134 extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
135 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
136 extern int cap_ptrace_traceme(struct task_struct *parent);
137 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
138 extern int cap_capset(struct cred *new, const struct cred *old,
139 const kernel_cap_t *effective,
140 const kernel_cap_t *inheritable,
141 const kernel_cap_t *permitted);
142 extern int cap_bprm_set_creds(struct linux_binprm *bprm);
143 extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
144 const void *value, size_t size, int flags);
145 extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
146 extern int cap_inode_need_killpriv(struct dentry *dentry);
147 extern int cap_inode_killpriv(struct dentry *dentry);
148 extern int cap_inode_getsecurity(struct inode *inode, const char *name,
149 void **buffer, bool alloc);
150 extern int cap_mmap_addr(unsigned long addr);
151 extern int cap_mmap_file(struct file *file, unsigned long reqprot,
152 unsigned long prot, unsigned long flags);
153 extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
154 extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
155 unsigned long arg4, unsigned long arg5);
156 extern int cap_task_setscheduler(struct task_struct *p);
157 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
158 extern int cap_task_setnice(struct task_struct *p, int nice);
159 extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
168 struct xfrm_selector;
171 struct xfrm_user_sec_ctx;
173 struct sctp_endpoint;
176 extern unsigned long mmap_min_addr;
177 extern unsigned long dac_mmap_min_addr;
179 #define mmap_min_addr 0UL
180 #define dac_mmap_min_addr 0UL
184 * Values used in the task_security_ops calls
186 /* setuid or setgid, id0 == uid or gid */
187 #define LSM_SETID_ID 1
189 /* setreuid or setregid, id0 == real, id1 == eff */
190 #define LSM_SETID_RE 2
192 /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
193 #define LSM_SETID_RES 4
195 /* setfsuid or setfsgid, id0 == fsuid or fsgid */
196 #define LSM_SETID_FS 8
198 /* Flags for security_task_prlimit(). */
199 #define LSM_PRLIMIT_READ 1
200 #define LSM_PRLIMIT_WRITE 2
202 /* forward declares to avoid warnings */
206 /* bprm->unsafe reasons */
207 #define LSM_UNSAFE_SHARE 1
208 #define LSM_UNSAFE_PTRACE 2
209 #define LSM_UNSAFE_NO_NEW_PRIVS 4
212 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
213 void __user *buffer, size_t *lenp, loff_t *ppos);
216 /* security_inode_init_security callback function to write xattrs */
217 typedef int (*initxattrs) (struct inode *inode,
218 const struct xattr *xattr_array, void *fs_data);
221 /* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
222 #define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
223 #define __data_id_stringify(dummy, str) #str,
225 enum kernel_load_data_id {
226 __kernel_read_file_id(__data_id_enumify)
229 static const char * const kernel_load_data_str[] = {
230 __kernel_read_file_id(__data_id_stringify)
233 static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
235 if ((unsigned)id >= LOADING_MAX_ID)
236 return kernel_load_data_str[LOADING_UNKNOWN];
238 return kernel_load_data_str[id];
241 #ifdef CONFIG_SECURITY
243 int call_blocking_lsm_notifier(enum lsm_event event, void *data);
244 int register_blocking_lsm_notifier(struct notifier_block *nb);
245 int unregister_blocking_lsm_notifier(struct notifier_block *nb);
248 extern int security_init(void);
249 extern int early_security_init(void);
251 /* Security operations */
252 int security_binder_set_context_mgr(struct task_struct *mgr);
253 int security_binder_transaction(struct task_struct *from,
254 struct task_struct *to);
255 int security_binder_transfer_binder(struct task_struct *from,
256 struct task_struct *to);
257 int security_binder_transfer_file(struct task_struct *from,
258 struct task_struct *to, struct file *file);
259 int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
260 int security_ptrace_traceme(struct task_struct *parent);
261 int security_capget(struct task_struct *target,
262 kernel_cap_t *effective,
263 kernel_cap_t *inheritable,
264 kernel_cap_t *permitted);
265 int security_capset(struct cred *new, const struct cred *old,
266 const kernel_cap_t *effective,
267 const kernel_cap_t *inheritable,
268 const kernel_cap_t *permitted);
269 int security_capable(const struct cred *cred,
270 struct user_namespace *ns,
273 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
274 int security_quota_on(struct dentry *dentry);
275 int security_syslog(int type);
276 int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
277 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
278 int security_bprm_set_creds(struct linux_binprm *bprm);
279 int security_bprm_check(struct linux_binprm *bprm);
280 void security_bprm_committing_creds(struct linux_binprm *bprm);
281 void security_bprm_committed_creds(struct linux_binprm *bprm);
282 int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
283 int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
284 int security_sb_alloc(struct super_block *sb);
285 void security_sb_free(struct super_block *sb);
286 void security_free_mnt_opts(void **mnt_opts);
287 int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
288 int security_sb_remount(struct super_block *sb, void *mnt_opts);
289 int security_sb_kern_mount(struct super_block *sb);
290 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
291 int security_sb_statfs(struct dentry *dentry);
292 int security_sb_mount(const char *dev_name, const struct path *path,
293 const char *type, unsigned long flags, void *data);
294 int security_sb_umount(struct vfsmount *mnt, int flags);
295 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
296 int security_sb_set_mnt_opts(struct super_block *sb,
298 unsigned long kern_flags,
299 unsigned long *set_kern_flags);
300 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
301 struct super_block *newsb,
302 unsigned long kern_flags,
303 unsigned long *set_kern_flags);
304 int security_add_mnt_opt(const char *option, const char *val,
305 int len, void **mnt_opts);
306 int security_move_mount(const struct path *from_path, const struct path *to_path);
307 int security_dentry_init_security(struct dentry *dentry, int mode,
308 const struct qstr *name, void **ctx,
310 int security_dentry_create_files_as(struct dentry *dentry, int mode,
312 const struct cred *old,
314 int security_path_notify(const struct path *path, u64 mask,
315 unsigned int obj_type);
316 int security_inode_alloc(struct inode *inode);
317 void security_inode_free(struct inode *inode);
318 int security_inode_init_security(struct inode *inode, struct inode *dir,
319 const struct qstr *qstr,
320 initxattrs initxattrs, void *fs_data);
321 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
322 const struct qstr *qstr, const char **name,
323 void **value, size_t *len);
324 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
325 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
326 struct dentry *new_dentry);
327 int security_inode_unlink(struct inode *dir, struct dentry *dentry);
328 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
329 const char *old_name);
330 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
331 int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
332 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
333 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
334 struct inode *new_dir, struct dentry *new_dentry,
336 int security_inode_readlink(struct dentry *dentry);
337 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
339 int security_inode_permission(struct inode *inode, int mask);
340 int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
341 int security_inode_getattr(const struct path *path);
342 int security_inode_setxattr(struct dentry *dentry, const char *name,
343 const void *value, size_t size, int flags);
344 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
345 const void *value, size_t size, int flags);
346 int security_inode_getxattr(struct dentry *dentry, const char *name);
347 int security_inode_listxattr(struct dentry *dentry);
348 int security_inode_removexattr(struct dentry *dentry, const char *name);
349 int security_inode_need_killpriv(struct dentry *dentry);
350 int security_inode_killpriv(struct dentry *dentry);
351 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
352 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
353 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
354 void security_inode_getsecid(struct inode *inode, u32 *secid);
355 int security_inode_copy_up(struct dentry *src, struct cred **new);
356 int security_inode_copy_up_xattr(const char *name);
357 int security_kernfs_init_security(struct kernfs_node *kn_dir,
358 struct kernfs_node *kn);
359 int security_file_permission(struct file *file, int mask);
360 int security_file_alloc(struct file *file);
361 void security_file_free(struct file *file);
362 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
363 int security_mmap_file(struct file *file, unsigned long prot,
364 unsigned long flags);
365 int security_mmap_addr(unsigned long addr);
366 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
368 int security_file_lock(struct file *file, unsigned int cmd);
369 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
370 void security_file_set_fowner(struct file *file);
371 int security_file_send_sigiotask(struct task_struct *tsk,
372 struct fown_struct *fown, int sig);
373 int security_file_receive(struct file *file);
374 int security_file_open(struct file *file);
375 int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
376 void security_task_free(struct task_struct *task);
377 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
378 void security_cred_free(struct cred *cred);
379 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
380 void security_transfer_creds(struct cred *new, const struct cred *old);
381 void security_cred_getsecid(const struct cred *c, u32 *secid);
382 int security_kernel_act_as(struct cred *new, u32 secid);
383 int security_kernel_create_files_as(struct cred *new, struct inode *inode);
384 int security_kernel_module_request(char *kmod_name);
385 int security_kernel_load_data(enum kernel_load_data_id id);
386 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
387 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
388 enum kernel_read_file_id id);
389 int security_task_fix_setuid(struct cred *new, const struct cred *old,
391 int security_task_setpgid(struct task_struct *p, pid_t pgid);
392 int security_task_getpgid(struct task_struct *p);
393 int security_task_getsid(struct task_struct *p);
394 void security_task_getsecid(struct task_struct *p, u32 *secid);
395 int security_task_setnice(struct task_struct *p, int nice);
396 int security_task_setioprio(struct task_struct *p, int ioprio);
397 int security_task_getioprio(struct task_struct *p);
398 int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
400 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
401 struct rlimit *new_rlim);
402 int security_task_setscheduler(struct task_struct *p);
403 int security_task_getscheduler(struct task_struct *p);
404 int security_task_movememory(struct task_struct *p);
405 int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
406 int sig, const struct cred *cred);
407 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
408 unsigned long arg4, unsigned long arg5);
409 void security_task_to_inode(struct task_struct *p, struct inode *inode);
410 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
411 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
412 int security_msg_msg_alloc(struct msg_msg *msg);
413 void security_msg_msg_free(struct msg_msg *msg);
414 int security_msg_queue_alloc(struct kern_ipc_perm *msq);
415 void security_msg_queue_free(struct kern_ipc_perm *msq);
416 int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
417 int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
418 int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
419 struct msg_msg *msg, int msqflg);
420 int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
421 struct task_struct *target, long type, int mode);
422 int security_shm_alloc(struct kern_ipc_perm *shp);
423 void security_shm_free(struct kern_ipc_perm *shp);
424 int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
425 int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
426 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
427 int security_sem_alloc(struct kern_ipc_perm *sma);
428 void security_sem_free(struct kern_ipc_perm *sma);
429 int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
430 int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
431 int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
432 unsigned nsops, int alter);
433 void security_d_instantiate(struct dentry *dentry, struct inode *inode);
434 int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
436 int security_setprocattr(const char *lsm, const char *name, void *value,
438 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
439 int security_ismaclabel(const char *name);
440 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
441 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
442 void security_release_secctx(char *secdata, u32 seclen);
443 void security_inode_invalidate_secctx(struct inode *inode);
444 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
445 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
446 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
447 int security_locked_down(enum lockdown_reason what);
448 #else /* CONFIG_SECURITY */
450 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
455 static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
460 static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
465 static inline void security_free_mnt_opts(void **mnt_opts)
470 * This is the default capabilities functionality. Most of these functions
471 * are just stubbed out, but a few must call the proper capable code.
474 static inline int security_init(void)
479 static inline int early_security_init(void)
484 static inline int security_binder_set_context_mgr(struct task_struct *mgr)
489 static inline int security_binder_transaction(struct task_struct *from,
490 struct task_struct *to)
495 static inline int security_binder_transfer_binder(struct task_struct *from,
496 struct task_struct *to)
501 static inline int security_binder_transfer_file(struct task_struct *from,
502 struct task_struct *to,
508 static inline int security_ptrace_access_check(struct task_struct *child,
511 return cap_ptrace_access_check(child, mode);
514 static inline int security_ptrace_traceme(struct task_struct *parent)
516 return cap_ptrace_traceme(parent);
519 static inline int security_capget(struct task_struct *target,
520 kernel_cap_t *effective,
521 kernel_cap_t *inheritable,
522 kernel_cap_t *permitted)
524 return cap_capget(target, effective, inheritable, permitted);
527 static inline int security_capset(struct cred *new,
528 const struct cred *old,
529 const kernel_cap_t *effective,
530 const kernel_cap_t *inheritable,
531 const kernel_cap_t *permitted)
533 return cap_capset(new, old, effective, inheritable, permitted);
536 static inline int security_capable(const struct cred *cred,
537 struct user_namespace *ns,
541 return cap_capable(cred, ns, cap, opts);
544 static inline int security_quotactl(int cmds, int type, int id,
545 struct super_block *sb)
550 static inline int security_quota_on(struct dentry *dentry)
555 static inline int security_syslog(int type)
560 static inline int security_settime64(const struct timespec64 *ts,
561 const struct timezone *tz)
563 return cap_settime(ts, tz);
566 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
568 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
571 static inline int security_bprm_set_creds(struct linux_binprm *bprm)
573 return cap_bprm_set_creds(bprm);
576 static inline int security_bprm_check(struct linux_binprm *bprm)
581 static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
585 static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
589 static inline int security_fs_context_dup(struct fs_context *fc,
590 struct fs_context *src_fc)
594 static inline int security_fs_context_parse_param(struct fs_context *fc,
595 struct fs_parameter *param)
600 static inline int security_sb_alloc(struct super_block *sb)
605 static inline void security_sb_free(struct super_block *sb)
608 static inline int security_sb_eat_lsm_opts(char *options,
614 static inline int security_sb_remount(struct super_block *sb,
620 static inline int security_sb_kern_mount(struct super_block *sb)
625 static inline int security_sb_show_options(struct seq_file *m,
626 struct super_block *sb)
631 static inline int security_sb_statfs(struct dentry *dentry)
636 static inline int security_sb_mount(const char *dev_name, const struct path *path,
637 const char *type, unsigned long flags,
643 static inline int security_sb_umount(struct vfsmount *mnt, int flags)
648 static inline int security_sb_pivotroot(const struct path *old_path,
649 const struct path *new_path)
654 static inline int security_sb_set_mnt_opts(struct super_block *sb,
656 unsigned long kern_flags,
657 unsigned long *set_kern_flags)
662 static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
663 struct super_block *newsb,
664 unsigned long kern_flags,
665 unsigned long *set_kern_flags)
670 static inline int security_add_mnt_opt(const char *option, const char *val,
671 int len, void **mnt_opts)
676 static inline int security_move_mount(const struct path *from_path,
677 const struct path *to_path)
682 static inline int security_path_notify(const struct path *path, u64 mask,
683 unsigned int obj_type)
688 static inline int security_inode_alloc(struct inode *inode)
693 static inline void security_inode_free(struct inode *inode)
696 static inline int security_dentry_init_security(struct dentry *dentry,
698 const struct qstr *name,
705 static inline int security_dentry_create_files_as(struct dentry *dentry,
706 int mode, struct qstr *name,
707 const struct cred *old,
714 static inline int security_inode_init_security(struct inode *inode,
716 const struct qstr *qstr,
717 const initxattrs xattrs,
723 static inline int security_old_inode_init_security(struct inode *inode,
725 const struct qstr *qstr,
727 void **value, size_t *len)
732 static inline int security_inode_create(struct inode *dir,
733 struct dentry *dentry,
739 static inline int security_inode_link(struct dentry *old_dentry,
741 struct dentry *new_dentry)
746 static inline int security_inode_unlink(struct inode *dir,
747 struct dentry *dentry)
752 static inline int security_inode_symlink(struct inode *dir,
753 struct dentry *dentry,
754 const char *old_name)
759 static inline int security_inode_mkdir(struct inode *dir,
760 struct dentry *dentry,
766 static inline int security_inode_rmdir(struct inode *dir,
767 struct dentry *dentry)
772 static inline int security_inode_mknod(struct inode *dir,
773 struct dentry *dentry,
779 static inline int security_inode_rename(struct inode *old_dir,
780 struct dentry *old_dentry,
781 struct inode *new_dir,
782 struct dentry *new_dentry,
788 static inline int security_inode_readlink(struct dentry *dentry)
793 static inline int security_inode_follow_link(struct dentry *dentry,
800 static inline int security_inode_permission(struct inode *inode, int mask)
805 static inline int security_inode_setattr(struct dentry *dentry,
811 static inline int security_inode_getattr(const struct path *path)
816 static inline int security_inode_setxattr(struct dentry *dentry,
817 const char *name, const void *value, size_t size, int flags)
819 return cap_inode_setxattr(dentry, name, value, size, flags);
822 static inline void security_inode_post_setxattr(struct dentry *dentry,
823 const char *name, const void *value, size_t size, int flags)
826 static inline int security_inode_getxattr(struct dentry *dentry,
832 static inline int security_inode_listxattr(struct dentry *dentry)
837 static inline int security_inode_removexattr(struct dentry *dentry,
840 return cap_inode_removexattr(dentry, name);
843 static inline int security_inode_need_killpriv(struct dentry *dentry)
845 return cap_inode_need_killpriv(dentry);
848 static inline int security_inode_killpriv(struct dentry *dentry)
850 return cap_inode_killpriv(dentry);
853 static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
858 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
863 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
868 static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
873 static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
878 static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
879 struct kernfs_node *kn)
884 static inline int security_inode_copy_up_xattr(const char *name)
889 static inline int security_file_permission(struct file *file, int mask)
894 static inline int security_file_alloc(struct file *file)
899 static inline void security_file_free(struct file *file)
902 static inline int security_file_ioctl(struct file *file, unsigned int cmd,
908 static inline int security_mmap_file(struct file *file, unsigned long prot,
914 static inline int security_mmap_addr(unsigned long addr)
916 return cap_mmap_addr(addr);
919 static inline int security_file_mprotect(struct vm_area_struct *vma,
920 unsigned long reqprot,
926 static inline int security_file_lock(struct file *file, unsigned int cmd)
931 static inline int security_file_fcntl(struct file *file, unsigned int cmd,
937 static inline void security_file_set_fowner(struct file *file)
942 static inline int security_file_send_sigiotask(struct task_struct *tsk,
943 struct fown_struct *fown,
949 static inline int security_file_receive(struct file *file)
954 static inline int security_file_open(struct file *file)
959 static inline int security_task_alloc(struct task_struct *task,
960 unsigned long clone_flags)
965 static inline void security_task_free(struct task_struct *task)
968 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
973 static inline void security_cred_free(struct cred *cred)
976 static inline int security_prepare_creds(struct cred *new,
977 const struct cred *old,
983 static inline void security_transfer_creds(struct cred *new,
984 const struct cred *old)
988 static inline int security_kernel_act_as(struct cred *cred, u32 secid)
993 static inline int security_kernel_create_files_as(struct cred *cred,
999 static inline int security_kernel_module_request(char *kmod_name)
1004 static inline int security_kernel_load_data(enum kernel_load_data_id id)
1009 static inline int security_kernel_read_file(struct file *file,
1010 enum kernel_read_file_id id)
1015 static inline int security_kernel_post_read_file(struct file *file,
1016 char *buf, loff_t size,
1017 enum kernel_read_file_id id)
1022 static inline int security_task_fix_setuid(struct cred *new,
1023 const struct cred *old,
1026 return cap_task_fix_setuid(new, old, flags);
1029 static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1034 static inline int security_task_getpgid(struct task_struct *p)
1039 static inline int security_task_getsid(struct task_struct *p)
1044 static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
1049 static inline int security_task_setnice(struct task_struct *p, int nice)
1051 return cap_task_setnice(p, nice);
1054 static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1056 return cap_task_setioprio(p, ioprio);
1059 static inline int security_task_getioprio(struct task_struct *p)
1064 static inline int security_task_prlimit(const struct cred *cred,
1065 const struct cred *tcred,
1071 static inline int security_task_setrlimit(struct task_struct *p,
1072 unsigned int resource,
1073 struct rlimit *new_rlim)
1078 static inline int security_task_setscheduler(struct task_struct *p)
1080 return cap_task_setscheduler(p);
1083 static inline int security_task_getscheduler(struct task_struct *p)
1088 static inline int security_task_movememory(struct task_struct *p)
1093 static inline int security_task_kill(struct task_struct *p,
1094 struct kernel_siginfo *info, int sig,
1095 const struct cred *cred)
1100 static inline int security_task_prctl(int option, unsigned long arg2,
1105 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1108 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1111 static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1117 static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1122 static inline int security_msg_msg_alloc(struct msg_msg *msg)
1127 static inline void security_msg_msg_free(struct msg_msg *msg)
1130 static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1135 static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1138 static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1144 static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1149 static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1150 struct msg_msg *msg, int msqflg)
1155 static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1156 struct msg_msg *msg,
1157 struct task_struct *target,
1158 long type, int mode)
1163 static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1168 static inline void security_shm_free(struct kern_ipc_perm *shp)
1171 static inline int security_shm_associate(struct kern_ipc_perm *shp,
1177 static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1182 static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1183 char __user *shmaddr, int shmflg)
1188 static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1193 static inline void security_sem_free(struct kern_ipc_perm *sma)
1196 static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1201 static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1206 static inline int security_sem_semop(struct kern_ipc_perm *sma,
1207 struct sembuf *sops, unsigned nsops,
1213 static inline void security_d_instantiate(struct dentry *dentry,
1214 struct inode *inode)
1217 static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1218 char *name, char **value)
1223 static inline int security_setprocattr(const char *lsm, char *name,
1224 void *value, size_t size)
1229 static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1234 static inline int security_ismaclabel(const char *name)
1239 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1244 static inline int security_secctx_to_secid(const char *secdata,
1251 static inline void security_release_secctx(char *secdata, u32 seclen)
1255 static inline void security_inode_invalidate_secctx(struct inode *inode)
1259 static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1263 static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1267 static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1271 static inline int security_locked_down(enum lockdown_reason what)
1275 #endif /* CONFIG_SECURITY */
1277 #ifdef CONFIG_SECURITY_NETWORK
1279 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1280 int security_unix_may_send(struct socket *sock, struct socket *other);
1281 int security_socket_create(int family, int type, int protocol, int kern);
1282 int security_socket_post_create(struct socket *sock, int family,
1283 int type, int protocol, int kern);
1284 int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1285 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1286 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1287 int security_socket_listen(struct socket *sock, int backlog);
1288 int security_socket_accept(struct socket *sock, struct socket *newsock);
1289 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1290 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1291 int size, int flags);
1292 int security_socket_getsockname(struct socket *sock);
1293 int security_socket_getpeername(struct socket *sock);
1294 int security_socket_getsockopt(struct socket *sock, int level, int optname);
1295 int security_socket_setsockopt(struct socket *sock, int level, int optname);
1296 int security_socket_shutdown(struct socket *sock, int how);
1297 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1298 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1299 int __user *optlen, unsigned len);
1300 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1301 int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1302 void security_sk_free(struct sock *sk);
1303 void security_sk_clone(const struct sock *sk, struct sock *newsk);
1304 void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
1305 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
1306 void security_sock_graft(struct sock*sk, struct socket *parent);
1307 int security_inet_conn_request(struct sock *sk,
1308 struct sk_buff *skb, struct request_sock *req);
1309 void security_inet_csk_clone(struct sock *newsk,
1310 const struct request_sock *req);
1311 void security_inet_conn_established(struct sock *sk,
1312 struct sk_buff *skb);
1313 int security_secmark_relabel_packet(u32 secid);
1314 void security_secmark_refcount_inc(void);
1315 void security_secmark_refcount_dec(void);
1316 int security_tun_dev_alloc_security(void **security);
1317 void security_tun_dev_free_security(void *security);
1318 int security_tun_dev_create(void);
1319 int security_tun_dev_attach_queue(void *security);
1320 int security_tun_dev_attach(struct sock *sk, void *security);
1321 int security_tun_dev_open(void *security);
1322 int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb);
1323 int security_sctp_bind_connect(struct sock *sk, int optname,
1324 struct sockaddr *address, int addrlen);
1325 void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
1326 struct sock *newsk);
1328 #else /* CONFIG_SECURITY_NETWORK */
1329 static inline int security_unix_stream_connect(struct sock *sock,
1336 static inline int security_unix_may_send(struct socket *sock,
1337 struct socket *other)
1342 static inline int security_socket_create(int family, int type,
1343 int protocol, int kern)
1348 static inline int security_socket_post_create(struct socket *sock,
1351 int protocol, int kern)
1356 static inline int security_socket_socketpair(struct socket *socka,
1357 struct socket *sockb)
1362 static inline int security_socket_bind(struct socket *sock,
1363 struct sockaddr *address,
1369 static inline int security_socket_connect(struct socket *sock,
1370 struct sockaddr *address,
1376 static inline int security_socket_listen(struct socket *sock, int backlog)
1381 static inline int security_socket_accept(struct socket *sock,
1382 struct socket *newsock)
1387 static inline int security_socket_sendmsg(struct socket *sock,
1388 struct msghdr *msg, int size)
1393 static inline int security_socket_recvmsg(struct socket *sock,
1394 struct msghdr *msg, int size,
1400 static inline int security_socket_getsockname(struct socket *sock)
1405 static inline int security_socket_getpeername(struct socket *sock)
1410 static inline int security_socket_getsockopt(struct socket *sock,
1411 int level, int optname)
1416 static inline int security_socket_setsockopt(struct socket *sock,
1417 int level, int optname)
1422 static inline int security_socket_shutdown(struct socket *sock, int how)
1426 static inline int security_sock_rcv_skb(struct sock *sk,
1427 struct sk_buff *skb)
1432 static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1433 int __user *optlen, unsigned len)
1435 return -ENOPROTOOPT;
1438 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1440 return -ENOPROTOOPT;
1443 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1448 static inline void security_sk_free(struct sock *sk)
1452 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1456 static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1460 static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1464 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1468 static inline int security_inet_conn_request(struct sock *sk,
1469 struct sk_buff *skb, struct request_sock *req)
1474 static inline void security_inet_csk_clone(struct sock *newsk,
1475 const struct request_sock *req)
1479 static inline void security_inet_conn_established(struct sock *sk,
1480 struct sk_buff *skb)
1484 static inline int security_secmark_relabel_packet(u32 secid)
1489 static inline void security_secmark_refcount_inc(void)
1493 static inline void security_secmark_refcount_dec(void)
1497 static inline int security_tun_dev_alloc_security(void **security)
1502 static inline void security_tun_dev_free_security(void *security)
1506 static inline int security_tun_dev_create(void)
1511 static inline int security_tun_dev_attach_queue(void *security)
1516 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1521 static inline int security_tun_dev_open(void *security)
1526 static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
1527 struct sk_buff *skb)
1532 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1533 struct sockaddr *address,
1539 static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
1544 #endif /* CONFIG_SECURITY_NETWORK */
1546 #ifdef CONFIG_SECURITY_INFINIBAND
1547 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1548 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1549 int security_ib_alloc_security(void **sec);
1550 void security_ib_free_security(void *sec);
1551 #else /* CONFIG_SECURITY_INFINIBAND */
1552 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1557 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1562 static inline int security_ib_alloc_security(void **sec)
1567 static inline void security_ib_free_security(void *sec)
1570 #endif /* CONFIG_SECURITY_INFINIBAND */
1572 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1574 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1575 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1576 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1577 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1578 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1579 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1580 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1581 struct xfrm_sec_ctx *polsec, u32 secid);
1582 int security_xfrm_state_delete(struct xfrm_state *x);
1583 void security_xfrm_state_free(struct xfrm_state *x);
1584 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
1585 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1586 struct xfrm_policy *xp,
1587 const struct flowi *fl);
1588 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1589 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
1591 #else /* CONFIG_SECURITY_NETWORK_XFRM */
1593 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1594 struct xfrm_user_sec_ctx *sec_ctx,
1600 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1605 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1609 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1614 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1615 struct xfrm_user_sec_ctx *sec_ctx)
1620 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1621 struct xfrm_sec_ctx *polsec, u32 secid)
1626 static inline void security_xfrm_state_free(struct xfrm_state *x)
1630 static inline int security_xfrm_state_delete(struct xfrm_state *x)
1635 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1640 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1641 struct xfrm_policy *xp, const struct flowi *fl)
1646 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1651 static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1655 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1657 #ifdef CONFIG_SECURITY_PATH
1658 int security_path_unlink(const struct path *dir, struct dentry *dentry);
1659 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1660 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1661 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1663 int security_path_truncate(const struct path *path);
1664 int security_path_symlink(const struct path *dir, struct dentry *dentry,
1665 const char *old_name);
1666 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1667 struct dentry *new_dentry);
1668 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1669 const struct path *new_dir, struct dentry *new_dentry,
1670 unsigned int flags);
1671 int security_path_chmod(const struct path *path, umode_t mode);
1672 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1673 int security_path_chroot(const struct path *path);
1674 #else /* CONFIG_SECURITY_PATH */
1675 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1680 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1686 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1691 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1692 umode_t mode, unsigned int dev)
1697 static inline int security_path_truncate(const struct path *path)
1702 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1703 const char *old_name)
1708 static inline int security_path_link(struct dentry *old_dentry,
1709 const struct path *new_dir,
1710 struct dentry *new_dentry)
1715 static inline int security_path_rename(const struct path *old_dir,
1716 struct dentry *old_dentry,
1717 const struct path *new_dir,
1718 struct dentry *new_dentry,
1724 static inline int security_path_chmod(const struct path *path, umode_t mode)
1729 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1734 static inline int security_path_chroot(const struct path *path)
1738 #endif /* CONFIG_SECURITY_PATH */
1741 #ifdef CONFIG_SECURITY
1743 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1744 void security_key_free(struct key *key);
1745 int security_key_permission(key_ref_t key_ref,
1746 const struct cred *cred, unsigned perm);
1747 int security_key_getsecurity(struct key *key, char **_buffer);
1751 static inline int security_key_alloc(struct key *key,
1752 const struct cred *cred,
1753 unsigned long flags)
1758 static inline void security_key_free(struct key *key)
1762 static inline int security_key_permission(key_ref_t key_ref,
1763 const struct cred *cred,
1769 static inline int security_key_getsecurity(struct key *key, char **_buffer)
1776 #endif /* CONFIG_KEYS */
1779 #ifdef CONFIG_SECURITY
1780 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1781 int security_audit_rule_known(struct audit_krule *krule);
1782 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1783 void security_audit_rule_free(void *lsmrule);
1787 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1793 static inline int security_audit_rule_known(struct audit_krule *krule)
1798 static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1804 static inline void security_audit_rule_free(void *lsmrule)
1807 #endif /* CONFIG_SECURITY */
1808 #endif /* CONFIG_AUDIT */
1810 #ifdef CONFIG_SECURITYFS
1812 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1813 struct dentry *parent, void *data,
1814 const struct file_operations *fops);
1815 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1816 struct dentry *securityfs_create_symlink(const char *name,
1817 struct dentry *parent,
1819 const struct inode_operations *iops);
1820 extern void securityfs_remove(struct dentry *dentry);
1822 #else /* CONFIG_SECURITYFS */
1824 static inline struct dentry *securityfs_create_dir(const char *name,
1825 struct dentry *parent)
1827 return ERR_PTR(-ENODEV);
1830 static inline struct dentry *securityfs_create_file(const char *name,
1832 struct dentry *parent,
1834 const struct file_operations *fops)
1836 return ERR_PTR(-ENODEV);
1839 static inline struct dentry *securityfs_create_symlink(const char *name,
1840 struct dentry *parent,
1842 const struct inode_operations *iops)
1844 return ERR_PTR(-ENODEV);
1847 static inline void securityfs_remove(struct dentry *dentry)
1852 #ifdef CONFIG_BPF_SYSCALL
1856 struct bpf_prog_aux;
1857 #ifdef CONFIG_SECURITY
1858 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1859 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1860 extern int security_bpf_prog(struct bpf_prog *prog);
1861 extern int security_bpf_map_alloc(struct bpf_map *map);
1862 extern void security_bpf_map_free(struct bpf_map *map);
1863 extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1864 extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1866 static inline int security_bpf(int cmd, union bpf_attr *attr,
1872 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1877 static inline int security_bpf_prog(struct bpf_prog *prog)
1882 static inline int security_bpf_map_alloc(struct bpf_map *map)
1887 static inline void security_bpf_map_free(struct bpf_map *map)
1890 static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1895 static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
1897 #endif /* CONFIG_SECURITY */
1898 #endif /* CONFIG_BPF_SYSCALL */
1900 #ifdef CONFIG_PERF_EVENTS
1901 struct perf_event_attr;
1904 #ifdef CONFIG_SECURITY
1905 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
1906 extern int security_perf_event_alloc(struct perf_event *event);
1907 extern void security_perf_event_free(struct perf_event *event);
1908 extern int security_perf_event_read(struct perf_event *event);
1909 extern int security_perf_event_write(struct perf_event *event);
1911 static inline int security_perf_event_open(struct perf_event_attr *attr,
1917 static inline int security_perf_event_alloc(struct perf_event *event)
1922 static inline void security_perf_event_free(struct perf_event *event)
1926 static inline int security_perf_event_read(struct perf_event *event)
1931 static inline int security_perf_event_write(struct perf_event *event)
1935 #endif /* CONFIG_SECURITY */
1936 #endif /* CONFIG_PERF_EVENTS */
1938 #endif /* ! __LINUX_SECURITY_H */