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>
37 struct kernel_siginfo;
50 struct file_operations;
60 /* Default (no) options for the capable function */
61 #define CAP_OPT_NONE 0x0
62 /* If capable should audit the security request */
63 #define CAP_OPT_NOAUDIT BIT(1)
64 /* If capable is being called by a setid function */
65 #define CAP_OPT_INSETID BIT(2)
67 /* LSM Agnostic defines for fs_context::lsm_flags */
68 #define SECURITY_LSM_NATIVE_LABELS 1
72 struct user_namespace;
80 * These are reasons that can be passed to the security_locked_down()
81 * LSM hook. Lockdown reasons that protect kernel integrity (ie, the
82 * ability for userland to modify kernel code) are placed before
83 * LOCKDOWN_INTEGRITY_MAX. Lockdown reasons that protect kernel
84 * confidentiality (ie, the ability for userland to extract
85 * information from the running kernel that would otherwise be
86 * restricted) are placed before LOCKDOWN_CONFIDENTIALITY_MAX.
88 * LSM authors should note that the semantics of any given lockdown
89 * reason are not guaranteed to be stable - the same reason may block
90 * one set of features in one kernel release, and a slightly different
91 * set of features in a later kernel release. LSMs that seek to expose
92 * lockdown policy at any level of granularity other than "none",
93 * "integrity" or "confidentiality" are responsible for either
94 * ensuring that they expose a consistent level of functionality to
95 * userland, or ensuring that userland is aware that this is
96 * potentially a moving target. It is easy to misuse this information
97 * in a way that could break userspace. Please be careful not to do
100 * If you add to this, remember to extend lockdown_reasons in
101 * security/lockdown/lockdown.c.
103 enum lockdown_reason {
105 LOCKDOWN_MODULE_SIGNATURE,
109 LOCKDOWN_HIBERNATION,
113 LOCKDOWN_ACPI_TABLES,
115 LOCKDOWN_TIOCSSERIAL,
116 LOCKDOWN_MODULE_PARAMETERS,
120 LOCKDOWN_INTEGRITY_MAX,
127 LOCKDOWN_CONFIDENTIALITY_MAX,
130 extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
132 /* These functions are in security/commoncap.c */
133 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
134 int cap, unsigned int opts);
135 extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
136 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
137 extern int cap_ptrace_traceme(struct task_struct *parent);
138 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
139 extern int cap_capset(struct cred *new, const struct cred *old,
140 const kernel_cap_t *effective,
141 const kernel_cap_t *inheritable,
142 const kernel_cap_t *permitted);
143 extern int cap_bprm_set_creds(struct linux_binprm *bprm);
144 extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
145 const void *value, size_t size, int flags);
146 extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
147 extern int cap_inode_need_killpriv(struct dentry *dentry);
148 extern int cap_inode_killpriv(struct dentry *dentry);
149 extern int cap_inode_getsecurity(struct inode *inode, const char *name,
150 void **buffer, bool alloc);
151 extern int cap_mmap_addr(unsigned long addr);
152 extern int cap_mmap_file(struct file *file, unsigned long reqprot,
153 unsigned long prot, unsigned long flags);
154 extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
155 extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
156 unsigned long arg4, unsigned long arg5);
157 extern int cap_task_setscheduler(struct task_struct *p);
158 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
159 extern int cap_task_setnice(struct task_struct *p, int nice);
160 extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
169 struct xfrm_selector;
172 struct xfrm_user_sec_ctx;
174 struct sctp_endpoint;
177 extern unsigned long mmap_min_addr;
178 extern unsigned long dac_mmap_min_addr;
180 #define mmap_min_addr 0UL
181 #define dac_mmap_min_addr 0UL
185 * Values used in the task_security_ops calls
187 /* setuid or setgid, id0 == uid or gid */
188 #define LSM_SETID_ID 1
190 /* setreuid or setregid, id0 == real, id1 == eff */
191 #define LSM_SETID_RE 2
193 /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
194 #define LSM_SETID_RES 4
196 /* setfsuid or setfsgid, id0 == fsuid or fsgid */
197 #define LSM_SETID_FS 8
199 /* Flags for security_task_prlimit(). */
200 #define LSM_PRLIMIT_READ 1
201 #define LSM_PRLIMIT_WRITE 2
203 /* forward declares to avoid warnings */
207 /* bprm->unsafe reasons */
208 #define LSM_UNSAFE_SHARE 1
209 #define LSM_UNSAFE_PTRACE 2
210 #define LSM_UNSAFE_NO_NEW_PRIVS 4
213 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
214 void __user *buffer, size_t *lenp, loff_t *ppos);
217 /* security_inode_init_security callback function to write xattrs */
218 typedef int (*initxattrs) (struct inode *inode,
219 const struct xattr *xattr_array, void *fs_data);
222 /* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
223 #define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
224 #define __data_id_stringify(dummy, str) #str,
226 enum kernel_load_data_id {
227 __kernel_read_file_id(__data_id_enumify)
230 static const char * const kernel_load_data_str[] = {
231 __kernel_read_file_id(__data_id_stringify)
234 static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
236 if ((unsigned)id >= LOADING_MAX_ID)
237 return kernel_load_data_str[LOADING_UNKNOWN];
239 return kernel_load_data_str[id];
242 #ifdef CONFIG_SECURITY
244 int call_blocking_lsm_notifier(enum lsm_event event, void *data);
245 int register_blocking_lsm_notifier(struct notifier_block *nb);
246 int unregister_blocking_lsm_notifier(struct notifier_block *nb);
249 extern int security_init(void);
250 extern int early_security_init(void);
252 /* Security operations */
253 int security_binder_set_context_mgr(struct task_struct *mgr);
254 int security_binder_transaction(struct task_struct *from,
255 struct task_struct *to);
256 int security_binder_transfer_binder(struct task_struct *from,
257 struct task_struct *to);
258 int security_binder_transfer_file(struct task_struct *from,
259 struct task_struct *to, struct file *file);
260 int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
261 int security_ptrace_traceme(struct task_struct *parent);
262 int security_capget(struct task_struct *target,
263 kernel_cap_t *effective,
264 kernel_cap_t *inheritable,
265 kernel_cap_t *permitted);
266 int security_capset(struct cred *new, const struct cred *old,
267 const kernel_cap_t *effective,
268 const kernel_cap_t *inheritable,
269 const kernel_cap_t *permitted);
270 int security_capable(const struct cred *cred,
271 struct user_namespace *ns,
274 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
275 int security_quota_on(struct dentry *dentry);
276 int security_syslog(int type);
277 int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
278 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
279 int security_bprm_set_creds(struct linux_binprm *bprm);
280 int security_bprm_check(struct linux_binprm *bprm);
281 void security_bprm_committing_creds(struct linux_binprm *bprm);
282 void security_bprm_committed_creds(struct linux_binprm *bprm);
283 int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
284 int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
285 int security_sb_alloc(struct super_block *sb);
286 void security_sb_free(struct super_block *sb);
287 void security_free_mnt_opts(void **mnt_opts);
288 int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
289 int security_sb_remount(struct super_block *sb, void *mnt_opts);
290 int security_sb_kern_mount(struct super_block *sb);
291 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
292 int security_sb_statfs(struct dentry *dentry);
293 int security_sb_mount(const char *dev_name, const struct path *path,
294 const char *type, unsigned long flags, void *data);
295 int security_sb_umount(struct vfsmount *mnt, int flags);
296 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
297 int security_sb_set_mnt_opts(struct super_block *sb,
299 unsigned long kern_flags,
300 unsigned long *set_kern_flags);
301 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
302 struct super_block *newsb,
303 unsigned long kern_flags,
304 unsigned long *set_kern_flags);
305 int security_add_mnt_opt(const char *option, const char *val,
306 int len, void **mnt_opts);
307 int security_move_mount(const struct path *from_path, const struct path *to_path);
308 int security_dentry_init_security(struct dentry *dentry, int mode,
309 const struct qstr *name, void **ctx,
311 int security_dentry_create_files_as(struct dentry *dentry, int mode,
313 const struct cred *old,
315 int security_path_notify(const struct path *path, u64 mask,
316 unsigned int obj_type);
317 int security_inode_alloc(struct inode *inode);
318 void security_inode_free(struct inode *inode);
319 int security_inode_init_security(struct inode *inode, struct inode *dir,
320 const struct qstr *qstr,
321 initxattrs initxattrs, void *fs_data);
322 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
323 const struct qstr *qstr, const char **name,
324 void **value, size_t *len);
325 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
326 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
327 struct dentry *new_dentry);
328 int security_inode_unlink(struct inode *dir, struct dentry *dentry);
329 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
330 const char *old_name);
331 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
332 int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
333 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
334 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
335 struct inode *new_dir, struct dentry *new_dentry,
337 int security_inode_readlink(struct dentry *dentry);
338 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
340 int security_inode_permission(struct inode *inode, int mask);
341 int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
342 int security_inode_getattr(const struct path *path);
343 int security_inode_setxattr(struct dentry *dentry, const char *name,
344 const void *value, size_t size, int flags);
345 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
346 const void *value, size_t size, int flags);
347 int security_inode_getxattr(struct dentry *dentry, const char *name);
348 int security_inode_listxattr(struct dentry *dentry);
349 int security_inode_removexattr(struct dentry *dentry, const char *name);
350 int security_inode_need_killpriv(struct dentry *dentry);
351 int security_inode_killpriv(struct dentry *dentry);
352 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
353 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
354 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
355 void security_inode_getsecid(struct inode *inode, u32 *secid);
356 int security_inode_copy_up(struct dentry *src, struct cred **new);
357 int security_inode_copy_up_xattr(const char *name);
358 int security_kernfs_init_security(struct kernfs_node *kn_dir,
359 struct kernfs_node *kn);
360 int security_file_permission(struct file *file, int mask);
361 int security_file_alloc(struct file *file);
362 void security_file_free(struct file *file);
363 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
364 int security_mmap_file(struct file *file, unsigned long prot,
365 unsigned long flags);
366 int security_mmap_addr(unsigned long addr);
367 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
369 int security_file_lock(struct file *file, unsigned int cmd);
370 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
371 void security_file_set_fowner(struct file *file);
372 int security_file_send_sigiotask(struct task_struct *tsk,
373 struct fown_struct *fown, int sig);
374 int security_file_receive(struct file *file);
375 int security_file_open(struct file *file);
376 int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
377 void security_task_free(struct task_struct *task);
378 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
379 void security_cred_free(struct cred *cred);
380 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
381 void security_transfer_creds(struct cred *new, const struct cred *old);
382 void security_cred_getsecid(const struct cred *c, u32 *secid);
383 int security_kernel_act_as(struct cred *new, u32 secid);
384 int security_kernel_create_files_as(struct cred *new, struct inode *inode);
385 int security_kernel_module_request(char *kmod_name);
386 int security_kernel_load_data(enum kernel_load_data_id id);
387 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
388 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
389 enum kernel_read_file_id id);
390 int security_task_fix_setuid(struct cred *new, const struct cred *old,
392 int security_task_setpgid(struct task_struct *p, pid_t pgid);
393 int security_task_getpgid(struct task_struct *p);
394 int security_task_getsid(struct task_struct *p);
395 void security_task_getsecid(struct task_struct *p, u32 *secid);
396 int security_task_setnice(struct task_struct *p, int nice);
397 int security_task_setioprio(struct task_struct *p, int ioprio);
398 int security_task_getioprio(struct task_struct *p);
399 int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
401 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
402 struct rlimit *new_rlim);
403 int security_task_setscheduler(struct task_struct *p);
404 int security_task_getscheduler(struct task_struct *p);
405 int security_task_movememory(struct task_struct *p);
406 int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
407 int sig, const struct cred *cred);
408 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
409 unsigned long arg4, unsigned long arg5);
410 void security_task_to_inode(struct task_struct *p, struct inode *inode);
411 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
412 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
413 int security_msg_msg_alloc(struct msg_msg *msg);
414 void security_msg_msg_free(struct msg_msg *msg);
415 int security_msg_queue_alloc(struct kern_ipc_perm *msq);
416 void security_msg_queue_free(struct kern_ipc_perm *msq);
417 int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
418 int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
419 int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
420 struct msg_msg *msg, int msqflg);
421 int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
422 struct task_struct *target, long type, int mode);
423 int security_shm_alloc(struct kern_ipc_perm *shp);
424 void security_shm_free(struct kern_ipc_perm *shp);
425 int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
426 int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
427 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
428 int security_sem_alloc(struct kern_ipc_perm *sma);
429 void security_sem_free(struct kern_ipc_perm *sma);
430 int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
431 int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
432 int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
433 unsigned nsops, int alter);
434 void security_d_instantiate(struct dentry *dentry, struct inode *inode);
435 int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
437 int security_setprocattr(const char *lsm, const char *name, void *value,
439 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
440 int security_ismaclabel(const char *name);
441 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
442 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
443 void security_release_secctx(char *secdata, u32 seclen);
444 void security_inode_invalidate_secctx(struct inode *inode);
445 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
446 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
447 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
448 int security_locked_down(enum lockdown_reason what);
449 #else /* CONFIG_SECURITY */
451 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
456 static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
461 static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
466 static inline void security_free_mnt_opts(void **mnt_opts)
471 * This is the default capabilities functionality. Most of these functions
472 * are just stubbed out, but a few must call the proper capable code.
475 static inline int security_init(void)
480 static inline int early_security_init(void)
485 static inline int security_binder_set_context_mgr(struct task_struct *mgr)
490 static inline int security_binder_transaction(struct task_struct *from,
491 struct task_struct *to)
496 static inline int security_binder_transfer_binder(struct task_struct *from,
497 struct task_struct *to)
502 static inline int security_binder_transfer_file(struct task_struct *from,
503 struct task_struct *to,
509 static inline int security_ptrace_access_check(struct task_struct *child,
512 return cap_ptrace_access_check(child, mode);
515 static inline int security_ptrace_traceme(struct task_struct *parent)
517 return cap_ptrace_traceme(parent);
520 static inline int security_capget(struct task_struct *target,
521 kernel_cap_t *effective,
522 kernel_cap_t *inheritable,
523 kernel_cap_t *permitted)
525 return cap_capget(target, effective, inheritable, permitted);
528 static inline int security_capset(struct cred *new,
529 const struct cred *old,
530 const kernel_cap_t *effective,
531 const kernel_cap_t *inheritable,
532 const kernel_cap_t *permitted)
534 return cap_capset(new, old, effective, inheritable, permitted);
537 static inline int security_capable(const struct cred *cred,
538 struct user_namespace *ns,
542 return cap_capable(cred, ns, cap, opts);
545 static inline int security_quotactl(int cmds, int type, int id,
546 struct super_block *sb)
551 static inline int security_quota_on(struct dentry *dentry)
556 static inline int security_syslog(int type)
561 static inline int security_settime64(const struct timespec64 *ts,
562 const struct timezone *tz)
564 return cap_settime(ts, tz);
567 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
569 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
572 static inline int security_bprm_set_creds(struct linux_binprm *bprm)
574 return cap_bprm_set_creds(bprm);
577 static inline int security_bprm_check(struct linux_binprm *bprm)
582 static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
586 static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
590 static inline int security_fs_context_dup(struct fs_context *fc,
591 struct fs_context *src_fc)
595 static inline int security_fs_context_parse_param(struct fs_context *fc,
596 struct fs_parameter *param)
601 static inline int security_sb_alloc(struct super_block *sb)
606 static inline void security_sb_free(struct super_block *sb)
609 static inline int security_sb_eat_lsm_opts(char *options,
615 static inline int security_sb_remount(struct super_block *sb,
621 static inline int security_sb_kern_mount(struct super_block *sb)
626 static inline int security_sb_show_options(struct seq_file *m,
627 struct super_block *sb)
632 static inline int security_sb_statfs(struct dentry *dentry)
637 static inline int security_sb_mount(const char *dev_name, const struct path *path,
638 const char *type, unsigned long flags,
644 static inline int security_sb_umount(struct vfsmount *mnt, int flags)
649 static inline int security_sb_pivotroot(const struct path *old_path,
650 const struct path *new_path)
655 static inline int security_sb_set_mnt_opts(struct super_block *sb,
657 unsigned long kern_flags,
658 unsigned long *set_kern_flags)
663 static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
664 struct super_block *newsb,
665 unsigned long kern_flags,
666 unsigned long *set_kern_flags)
671 static inline int security_add_mnt_opt(const char *option, const char *val,
672 int len, void **mnt_opts)
677 static inline int security_move_mount(const struct path *from_path,
678 const struct path *to_path)
683 static inline int security_path_notify(const struct path *path, u64 mask,
684 unsigned int obj_type)
689 static inline int security_inode_alloc(struct inode *inode)
694 static inline void security_inode_free(struct inode *inode)
697 static inline int security_dentry_init_security(struct dentry *dentry,
699 const struct qstr *name,
706 static inline int security_dentry_create_files_as(struct dentry *dentry,
707 int mode, struct qstr *name,
708 const struct cred *old,
715 static inline int security_inode_init_security(struct inode *inode,
717 const struct qstr *qstr,
718 const initxattrs xattrs,
724 static inline int security_old_inode_init_security(struct inode *inode,
726 const struct qstr *qstr,
728 void **value, size_t *len)
733 static inline int security_inode_create(struct inode *dir,
734 struct dentry *dentry,
740 static inline int security_inode_link(struct dentry *old_dentry,
742 struct dentry *new_dentry)
747 static inline int security_inode_unlink(struct inode *dir,
748 struct dentry *dentry)
753 static inline int security_inode_symlink(struct inode *dir,
754 struct dentry *dentry,
755 const char *old_name)
760 static inline int security_inode_mkdir(struct inode *dir,
761 struct dentry *dentry,
767 static inline int security_inode_rmdir(struct inode *dir,
768 struct dentry *dentry)
773 static inline int security_inode_mknod(struct inode *dir,
774 struct dentry *dentry,
780 static inline int security_inode_rename(struct inode *old_dir,
781 struct dentry *old_dentry,
782 struct inode *new_dir,
783 struct dentry *new_dentry,
789 static inline int security_inode_readlink(struct dentry *dentry)
794 static inline int security_inode_follow_link(struct dentry *dentry,
801 static inline int security_inode_permission(struct inode *inode, int mask)
806 static inline int security_inode_setattr(struct dentry *dentry,
812 static inline int security_inode_getattr(const struct path *path)
817 static inline int security_inode_setxattr(struct dentry *dentry,
818 const char *name, const void *value, size_t size, int flags)
820 return cap_inode_setxattr(dentry, name, value, size, flags);
823 static inline void security_inode_post_setxattr(struct dentry *dentry,
824 const char *name, const void *value, size_t size, int flags)
827 static inline int security_inode_getxattr(struct dentry *dentry,
833 static inline int security_inode_listxattr(struct dentry *dentry)
838 static inline int security_inode_removexattr(struct dentry *dentry,
841 return cap_inode_removexattr(dentry, name);
844 static inline int security_inode_need_killpriv(struct dentry *dentry)
846 return cap_inode_need_killpriv(dentry);
849 static inline int security_inode_killpriv(struct dentry *dentry)
851 return cap_inode_killpriv(dentry);
854 static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
859 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
864 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
869 static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
874 static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
879 static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
880 struct kernfs_node *kn)
885 static inline int security_inode_copy_up_xattr(const char *name)
890 static inline int security_file_permission(struct file *file, int mask)
895 static inline int security_file_alloc(struct file *file)
900 static inline void security_file_free(struct file *file)
903 static inline int security_file_ioctl(struct file *file, unsigned int cmd,
909 static inline int security_mmap_file(struct file *file, unsigned long prot,
915 static inline int security_mmap_addr(unsigned long addr)
917 return cap_mmap_addr(addr);
920 static inline int security_file_mprotect(struct vm_area_struct *vma,
921 unsigned long reqprot,
927 static inline int security_file_lock(struct file *file, unsigned int cmd)
932 static inline int security_file_fcntl(struct file *file, unsigned int cmd,
938 static inline void security_file_set_fowner(struct file *file)
943 static inline int security_file_send_sigiotask(struct task_struct *tsk,
944 struct fown_struct *fown,
950 static inline int security_file_receive(struct file *file)
955 static inline int security_file_open(struct file *file)
960 static inline int security_task_alloc(struct task_struct *task,
961 unsigned long clone_flags)
966 static inline void security_task_free(struct task_struct *task)
969 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
974 static inline void security_cred_free(struct cred *cred)
977 static inline int security_prepare_creds(struct cred *new,
978 const struct cred *old,
984 static inline void security_transfer_creds(struct cred *new,
985 const struct cred *old)
989 static inline int security_kernel_act_as(struct cred *cred, u32 secid)
994 static inline int security_kernel_create_files_as(struct cred *cred,
1000 static inline int security_kernel_module_request(char *kmod_name)
1005 static inline int security_kernel_load_data(enum kernel_load_data_id id)
1010 static inline int security_kernel_read_file(struct file *file,
1011 enum kernel_read_file_id id)
1016 static inline int security_kernel_post_read_file(struct file *file,
1017 char *buf, loff_t size,
1018 enum kernel_read_file_id id)
1023 static inline int security_task_fix_setuid(struct cred *new,
1024 const struct cred *old,
1027 return cap_task_fix_setuid(new, old, flags);
1030 static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1035 static inline int security_task_getpgid(struct task_struct *p)
1040 static inline int security_task_getsid(struct task_struct *p)
1045 static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
1050 static inline int security_task_setnice(struct task_struct *p, int nice)
1052 return cap_task_setnice(p, nice);
1055 static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1057 return cap_task_setioprio(p, ioprio);
1060 static inline int security_task_getioprio(struct task_struct *p)
1065 static inline int security_task_prlimit(const struct cred *cred,
1066 const struct cred *tcred,
1072 static inline int security_task_setrlimit(struct task_struct *p,
1073 unsigned int resource,
1074 struct rlimit *new_rlim)
1079 static inline int security_task_setscheduler(struct task_struct *p)
1081 return cap_task_setscheduler(p);
1084 static inline int security_task_getscheduler(struct task_struct *p)
1089 static inline int security_task_movememory(struct task_struct *p)
1094 static inline int security_task_kill(struct task_struct *p,
1095 struct kernel_siginfo *info, int sig,
1096 const struct cred *cred)
1101 static inline int security_task_prctl(int option, unsigned long arg2,
1106 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1109 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1112 static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1118 static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1123 static inline int security_msg_msg_alloc(struct msg_msg *msg)
1128 static inline void security_msg_msg_free(struct msg_msg *msg)
1131 static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1136 static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1139 static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1145 static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1150 static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1151 struct msg_msg *msg, int msqflg)
1156 static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1157 struct msg_msg *msg,
1158 struct task_struct *target,
1159 long type, int mode)
1164 static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1169 static inline void security_shm_free(struct kern_ipc_perm *shp)
1172 static inline int security_shm_associate(struct kern_ipc_perm *shp,
1178 static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1183 static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1184 char __user *shmaddr, int shmflg)
1189 static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1194 static inline void security_sem_free(struct kern_ipc_perm *sma)
1197 static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1202 static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1207 static inline int security_sem_semop(struct kern_ipc_perm *sma,
1208 struct sembuf *sops, unsigned nsops,
1214 static inline void security_d_instantiate(struct dentry *dentry,
1215 struct inode *inode)
1218 static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1219 char *name, char **value)
1224 static inline int security_setprocattr(const char *lsm, char *name,
1225 void *value, size_t size)
1230 static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1235 static inline int security_ismaclabel(const char *name)
1240 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1245 static inline int security_secctx_to_secid(const char *secdata,
1252 static inline void security_release_secctx(char *secdata, u32 seclen)
1256 static inline void security_inode_invalidate_secctx(struct inode *inode)
1260 static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1264 static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1268 static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1272 static inline int security_locked_down(enum lockdown_reason what)
1276 #endif /* CONFIG_SECURITY */
1278 #ifdef CONFIG_SECURITY_NETWORK
1280 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1281 int security_unix_may_send(struct socket *sock, struct socket *other);
1282 int security_socket_create(int family, int type, int protocol, int kern);
1283 int security_socket_post_create(struct socket *sock, int family,
1284 int type, int protocol, int kern);
1285 int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1286 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1287 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1288 int security_socket_listen(struct socket *sock, int backlog);
1289 int security_socket_accept(struct socket *sock, struct socket *newsock);
1290 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1291 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1292 int size, int flags);
1293 int security_socket_getsockname(struct socket *sock);
1294 int security_socket_getpeername(struct socket *sock);
1295 int security_socket_getsockopt(struct socket *sock, int level, int optname);
1296 int security_socket_setsockopt(struct socket *sock, int level, int optname);
1297 int security_socket_shutdown(struct socket *sock, int how);
1298 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1299 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1300 int __user *optlen, unsigned len);
1301 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1302 int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1303 void security_sk_free(struct sock *sk);
1304 void security_sk_clone(const struct sock *sk, struct sock *newsk);
1305 void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
1306 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
1307 void security_sock_graft(struct sock*sk, struct socket *parent);
1308 int security_inet_conn_request(struct sock *sk,
1309 struct sk_buff *skb, struct request_sock *req);
1310 void security_inet_csk_clone(struct sock *newsk,
1311 const struct request_sock *req);
1312 void security_inet_conn_established(struct sock *sk,
1313 struct sk_buff *skb);
1314 int security_secmark_relabel_packet(u32 secid);
1315 void security_secmark_refcount_inc(void);
1316 void security_secmark_refcount_dec(void);
1317 int security_tun_dev_alloc_security(void **security);
1318 void security_tun_dev_free_security(void *security);
1319 int security_tun_dev_create(void);
1320 int security_tun_dev_attach_queue(void *security);
1321 int security_tun_dev_attach(struct sock *sk, void *security);
1322 int security_tun_dev_open(void *security);
1323 int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb);
1324 int security_sctp_bind_connect(struct sock *sk, int optname,
1325 struct sockaddr *address, int addrlen);
1326 void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
1327 struct sock *newsk);
1329 #else /* CONFIG_SECURITY_NETWORK */
1330 static inline int security_unix_stream_connect(struct sock *sock,
1337 static inline int security_unix_may_send(struct socket *sock,
1338 struct socket *other)
1343 static inline int security_socket_create(int family, int type,
1344 int protocol, int kern)
1349 static inline int security_socket_post_create(struct socket *sock,
1352 int protocol, int kern)
1357 static inline int security_socket_socketpair(struct socket *socka,
1358 struct socket *sockb)
1363 static inline int security_socket_bind(struct socket *sock,
1364 struct sockaddr *address,
1370 static inline int security_socket_connect(struct socket *sock,
1371 struct sockaddr *address,
1377 static inline int security_socket_listen(struct socket *sock, int backlog)
1382 static inline int security_socket_accept(struct socket *sock,
1383 struct socket *newsock)
1388 static inline int security_socket_sendmsg(struct socket *sock,
1389 struct msghdr *msg, int size)
1394 static inline int security_socket_recvmsg(struct socket *sock,
1395 struct msghdr *msg, int size,
1401 static inline int security_socket_getsockname(struct socket *sock)
1406 static inline int security_socket_getpeername(struct socket *sock)
1411 static inline int security_socket_getsockopt(struct socket *sock,
1412 int level, int optname)
1417 static inline int security_socket_setsockopt(struct socket *sock,
1418 int level, int optname)
1423 static inline int security_socket_shutdown(struct socket *sock, int how)
1427 static inline int security_sock_rcv_skb(struct sock *sk,
1428 struct sk_buff *skb)
1433 static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1434 int __user *optlen, unsigned len)
1436 return -ENOPROTOOPT;
1439 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1441 return -ENOPROTOOPT;
1444 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1449 static inline void security_sk_free(struct sock *sk)
1453 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1457 static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1461 static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1465 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1469 static inline int security_inet_conn_request(struct sock *sk,
1470 struct sk_buff *skb, struct request_sock *req)
1475 static inline void security_inet_csk_clone(struct sock *newsk,
1476 const struct request_sock *req)
1480 static inline void security_inet_conn_established(struct sock *sk,
1481 struct sk_buff *skb)
1485 static inline int security_secmark_relabel_packet(u32 secid)
1490 static inline void security_secmark_refcount_inc(void)
1494 static inline void security_secmark_refcount_dec(void)
1498 static inline int security_tun_dev_alloc_security(void **security)
1503 static inline void security_tun_dev_free_security(void *security)
1507 static inline int security_tun_dev_create(void)
1512 static inline int security_tun_dev_attach_queue(void *security)
1517 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1522 static inline int security_tun_dev_open(void *security)
1527 static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
1528 struct sk_buff *skb)
1533 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1534 struct sockaddr *address,
1540 static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
1545 #endif /* CONFIG_SECURITY_NETWORK */
1547 #ifdef CONFIG_SECURITY_INFINIBAND
1548 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1549 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1550 int security_ib_alloc_security(void **sec);
1551 void security_ib_free_security(void *sec);
1552 #else /* CONFIG_SECURITY_INFINIBAND */
1553 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1558 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1563 static inline int security_ib_alloc_security(void **sec)
1568 static inline void security_ib_free_security(void *sec)
1571 #endif /* CONFIG_SECURITY_INFINIBAND */
1573 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1575 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1576 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1577 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1578 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1579 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1580 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1581 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1582 struct xfrm_sec_ctx *polsec, u32 secid);
1583 int security_xfrm_state_delete(struct xfrm_state *x);
1584 void security_xfrm_state_free(struct xfrm_state *x);
1585 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
1586 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1587 struct xfrm_policy *xp,
1588 const struct flowi *fl);
1589 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1590 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
1592 #else /* CONFIG_SECURITY_NETWORK_XFRM */
1594 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1595 struct xfrm_user_sec_ctx *sec_ctx,
1601 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1606 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1610 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1615 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1616 struct xfrm_user_sec_ctx *sec_ctx)
1621 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1622 struct xfrm_sec_ctx *polsec, u32 secid)
1627 static inline void security_xfrm_state_free(struct xfrm_state *x)
1631 static inline int security_xfrm_state_delete(struct xfrm_state *x)
1636 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1641 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1642 struct xfrm_policy *xp, const struct flowi *fl)
1647 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1652 static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1656 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1658 #ifdef CONFIG_SECURITY_PATH
1659 int security_path_unlink(const struct path *dir, struct dentry *dentry);
1660 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1661 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1662 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1664 int security_path_truncate(const struct path *path);
1665 int security_path_symlink(const struct path *dir, struct dentry *dentry,
1666 const char *old_name);
1667 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1668 struct dentry *new_dentry);
1669 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1670 const struct path *new_dir, struct dentry *new_dentry,
1671 unsigned int flags);
1672 int security_path_chmod(const struct path *path, umode_t mode);
1673 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1674 int security_path_chroot(const struct path *path);
1675 #else /* CONFIG_SECURITY_PATH */
1676 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1681 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1687 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1692 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1693 umode_t mode, unsigned int dev)
1698 static inline int security_path_truncate(const struct path *path)
1703 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1704 const char *old_name)
1709 static inline int security_path_link(struct dentry *old_dentry,
1710 const struct path *new_dir,
1711 struct dentry *new_dentry)
1716 static inline int security_path_rename(const struct path *old_dir,
1717 struct dentry *old_dentry,
1718 const struct path *new_dir,
1719 struct dentry *new_dentry,
1725 static inline int security_path_chmod(const struct path *path, umode_t mode)
1730 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1735 static inline int security_path_chroot(const struct path *path)
1739 #endif /* CONFIG_SECURITY_PATH */
1742 #ifdef CONFIG_SECURITY
1744 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1745 void security_key_free(struct key *key);
1746 int security_key_permission(key_ref_t key_ref,
1747 const struct cred *cred, unsigned perm);
1748 int security_key_getsecurity(struct key *key, char **_buffer);
1752 static inline int security_key_alloc(struct key *key,
1753 const struct cred *cred,
1754 unsigned long flags)
1759 static inline void security_key_free(struct key *key)
1763 static inline int security_key_permission(key_ref_t key_ref,
1764 const struct cred *cred,
1770 static inline int security_key_getsecurity(struct key *key, char **_buffer)
1777 #endif /* CONFIG_KEYS */
1780 #ifdef CONFIG_SECURITY
1781 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1782 int security_audit_rule_known(struct audit_krule *krule);
1783 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1784 void security_audit_rule_free(void *lsmrule);
1788 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1794 static inline int security_audit_rule_known(struct audit_krule *krule)
1799 static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1805 static inline void security_audit_rule_free(void *lsmrule)
1808 #endif /* CONFIG_SECURITY */
1809 #endif /* CONFIG_AUDIT */
1811 #ifdef CONFIG_SECURITYFS
1813 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1814 struct dentry *parent, void *data,
1815 const struct file_operations *fops);
1816 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1817 struct dentry *securityfs_create_symlink(const char *name,
1818 struct dentry *parent,
1820 const struct inode_operations *iops);
1821 extern void securityfs_remove(struct dentry *dentry);
1823 #else /* CONFIG_SECURITYFS */
1825 static inline struct dentry *securityfs_create_dir(const char *name,
1826 struct dentry *parent)
1828 return ERR_PTR(-ENODEV);
1831 static inline struct dentry *securityfs_create_file(const char *name,
1833 struct dentry *parent,
1835 const struct file_operations *fops)
1837 return ERR_PTR(-ENODEV);
1840 static inline struct dentry *securityfs_create_symlink(const char *name,
1841 struct dentry *parent,
1843 const struct inode_operations *iops)
1845 return ERR_PTR(-ENODEV);
1848 static inline void securityfs_remove(struct dentry *dentry)
1853 #ifdef CONFIG_BPF_SYSCALL
1857 struct bpf_prog_aux;
1858 #ifdef CONFIG_SECURITY
1859 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1860 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1861 extern int security_bpf_prog(struct bpf_prog *prog);
1862 extern int security_bpf_map_alloc(struct bpf_map *map);
1863 extern void security_bpf_map_free(struct bpf_map *map);
1864 extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1865 extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1867 static inline int security_bpf(int cmd, union bpf_attr *attr,
1873 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1878 static inline int security_bpf_prog(struct bpf_prog *prog)
1883 static inline int security_bpf_map_alloc(struct bpf_map *map)
1888 static inline void security_bpf_map_free(struct bpf_map *map)
1891 static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1896 static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
1898 #endif /* CONFIG_SECURITY */
1899 #endif /* CONFIG_BPF_SYSCALL */
1901 #ifdef CONFIG_PERF_EVENTS
1902 struct perf_event_attr;
1905 #ifdef CONFIG_SECURITY
1906 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
1907 extern int security_perf_event_alloc(struct perf_event *event);
1908 extern void security_perf_event_free(struct perf_event *event);
1909 extern int security_perf_event_read(struct perf_event *event);
1910 extern int security_perf_event_write(struct perf_event *event);
1912 static inline int security_perf_event_open(struct perf_event_attr *attr,
1918 static inline int security_perf_event_alloc(struct perf_event *event)
1923 static inline void security_perf_event_free(struct perf_event *event)
1927 static inline int security_perf_event_read(struct perf_event *event)
1932 static inline int security_perf_event_write(struct perf_event *event)
1936 #endif /* CONFIG_SECURITY */
1937 #endif /* CONFIG_PERF_EVENTS */
1939 #endif /* ! __LINUX_SECURITY_H */