4 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
5 * Copyright (C) 2001 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
7 * Copyright (C) 2001 James Morris <jmorris@intercode.com.au>
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 struct watch_notification;
62 /* Default (no) options for the capable function */
63 #define CAP_OPT_NONE 0x0
64 /* If capable should audit the security request */
65 #define CAP_OPT_NOAUDIT BIT(1)
66 /* If capable is being called by a setid function */
67 #define CAP_OPT_INSETID BIT(2)
69 /* LSM Agnostic defines for fs_context::lsm_flags */
70 #define SECURITY_LSM_NATIVE_LABELS 1
74 struct user_namespace;
82 * These are reasons that can be passed to the security_locked_down()
83 * LSM hook. Lockdown reasons that protect kernel integrity (ie, the
84 * ability for userland to modify kernel code) are placed before
85 * LOCKDOWN_INTEGRITY_MAX. Lockdown reasons that protect kernel
86 * confidentiality (ie, the ability for userland to extract
87 * information from the running kernel that would otherwise be
88 * restricted) are placed before LOCKDOWN_CONFIDENTIALITY_MAX.
90 * LSM authors should note that the semantics of any given lockdown
91 * reason are not guaranteed to be stable - the same reason may block
92 * one set of features in one kernel release, and a slightly different
93 * set of features in a later kernel release. LSMs that seek to expose
94 * lockdown policy at any level of granularity other than "none",
95 * "integrity" or "confidentiality" are responsible for either
96 * ensuring that they expose a consistent level of functionality to
97 * userland, or ensuring that userland is aware that this is
98 * potentially a moving target. It is easy to misuse this information
99 * in a way that could break userspace. Please be careful not to do
102 * If you add to this, remember to extend lockdown_reasons in
103 * security/lockdown/lockdown.c.
105 enum lockdown_reason {
107 LOCKDOWN_MODULE_SIGNATURE,
111 LOCKDOWN_HIBERNATION,
115 LOCKDOWN_ACPI_TABLES,
117 LOCKDOWN_TIOCSSERIAL,
118 LOCKDOWN_MODULE_PARAMETERS,
122 LOCKDOWN_INTEGRITY_MAX,
129 LOCKDOWN_CONFIDENTIALITY_MAX,
132 extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
134 /* These functions are in security/commoncap.c */
135 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
136 int cap, unsigned int opts);
137 extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
138 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
139 extern int cap_ptrace_traceme(struct task_struct *parent);
140 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
141 extern int cap_capset(struct cred *new, const struct cred *old,
142 const kernel_cap_t *effective,
143 const kernel_cap_t *inheritable,
144 const kernel_cap_t *permitted);
145 extern int cap_bprm_set_creds(struct linux_binprm *bprm);
146 extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
147 const void *value, size_t size, int flags);
148 extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
149 extern int cap_inode_need_killpriv(struct dentry *dentry);
150 extern int cap_inode_killpriv(struct dentry *dentry);
151 extern int cap_inode_getsecurity(struct inode *inode, const char *name,
152 void **buffer, bool alloc);
153 extern int cap_mmap_addr(unsigned long addr);
154 extern int cap_mmap_file(struct file *file, unsigned long reqprot,
155 unsigned long prot, unsigned long flags);
156 extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
157 extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
158 unsigned long arg4, unsigned long arg5);
159 extern int cap_task_setscheduler(struct task_struct *p);
160 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
161 extern int cap_task_setnice(struct task_struct *p, int nice);
162 extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
171 struct xfrm_selector;
174 struct xfrm_user_sec_ctx;
176 struct sctp_endpoint;
179 extern unsigned long mmap_min_addr;
180 extern unsigned long dac_mmap_min_addr;
182 #define mmap_min_addr 0UL
183 #define dac_mmap_min_addr 0UL
187 * Values used in the task_security_ops calls
189 /* setuid or setgid, id0 == uid or gid */
190 #define LSM_SETID_ID 1
192 /* setreuid or setregid, id0 == real, id1 == eff */
193 #define LSM_SETID_RE 2
195 /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
196 #define LSM_SETID_RES 4
198 /* setfsuid or setfsgid, id0 == fsuid or fsgid */
199 #define LSM_SETID_FS 8
201 /* Flags for security_task_prlimit(). */
202 #define LSM_PRLIMIT_READ 1
203 #define LSM_PRLIMIT_WRITE 2
205 /* forward declares to avoid warnings */
209 /* bprm->unsafe reasons */
210 #define LSM_UNSAFE_SHARE 1
211 #define LSM_UNSAFE_PTRACE 2
212 #define LSM_UNSAFE_NO_NEW_PRIVS 4
215 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
216 void __user *buffer, size_t *lenp, loff_t *ppos);
219 /* security_inode_init_security callback function to write xattrs */
220 typedef int (*initxattrs) (struct inode *inode,
221 const struct xattr *xattr_array, void *fs_data);
224 /* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
225 #define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
226 #define __data_id_stringify(dummy, str) #str,
228 enum kernel_load_data_id {
229 __kernel_read_file_id(__data_id_enumify)
232 static const char * const kernel_load_data_str[] = {
233 __kernel_read_file_id(__data_id_stringify)
236 static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
238 if ((unsigned)id >= LOADING_MAX_ID)
239 return kernel_load_data_str[LOADING_UNKNOWN];
241 return kernel_load_data_str[id];
244 #ifdef CONFIG_SECURITY
246 int call_blocking_lsm_notifier(enum lsm_event event, void *data);
247 int register_blocking_lsm_notifier(struct notifier_block *nb);
248 int unregister_blocking_lsm_notifier(struct notifier_block *nb);
251 extern int security_init(void);
252 extern int early_security_init(void);
254 /* Security operations */
255 int security_binder_set_context_mgr(struct task_struct *mgr);
256 int security_binder_transaction(struct task_struct *from,
257 struct task_struct *to);
258 int security_binder_transfer_binder(struct task_struct *from,
259 struct task_struct *to);
260 int security_binder_transfer_file(struct task_struct *from,
261 struct task_struct *to, struct file *file);
262 int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
263 int security_ptrace_traceme(struct task_struct *parent);
264 int security_capget(struct task_struct *target,
265 kernel_cap_t *effective,
266 kernel_cap_t *inheritable,
267 kernel_cap_t *permitted);
268 int security_capset(struct cred *new, const struct cred *old,
269 const kernel_cap_t *effective,
270 const kernel_cap_t *inheritable,
271 const kernel_cap_t *permitted);
272 int security_capable(const struct cred *cred,
273 struct user_namespace *ns,
276 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
277 int security_quota_on(struct dentry *dentry);
278 int security_syslog(int type);
279 int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
280 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
281 int security_bprm_set_creds(struct linux_binprm *bprm);
282 int security_bprm_check(struct linux_binprm *bprm);
283 void security_bprm_committing_creds(struct linux_binprm *bprm);
284 void security_bprm_committed_creds(struct linux_binprm *bprm);
285 int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
286 int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
287 int security_sb_alloc(struct super_block *sb);
288 void security_sb_free(struct super_block *sb);
289 void security_free_mnt_opts(void **mnt_opts);
290 int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
291 int security_sb_remount(struct super_block *sb, void *mnt_opts);
292 int security_sb_kern_mount(struct super_block *sb);
293 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
294 int security_sb_statfs(struct dentry *dentry);
295 int security_sb_mount(const char *dev_name, const struct path *path,
296 const char *type, unsigned long flags, void *data);
297 int security_sb_umount(struct vfsmount *mnt, int flags);
298 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
299 int security_sb_set_mnt_opts(struct super_block *sb,
301 unsigned long kern_flags,
302 unsigned long *set_kern_flags);
303 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
304 struct super_block *newsb,
305 unsigned long kern_flags,
306 unsigned long *set_kern_flags);
307 int security_add_mnt_opt(const char *option, const char *val,
308 int len, void **mnt_opts);
309 int security_move_mount(const struct path *from_path, const struct path *to_path);
310 int security_dentry_init_security(struct dentry *dentry, int mode,
311 const struct qstr *name, void **ctx,
313 int security_dentry_create_files_as(struct dentry *dentry, int mode,
315 const struct cred *old,
317 int security_path_notify(const struct path *path, u64 mask,
318 unsigned int obj_type);
319 int security_inode_alloc(struct inode *inode);
320 void security_inode_free(struct inode *inode);
321 int security_inode_init_security(struct inode *inode, struct inode *dir,
322 const struct qstr *qstr,
323 initxattrs initxattrs, void *fs_data);
324 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
325 const struct qstr *qstr, const char **name,
326 void **value, size_t *len);
327 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
328 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
329 struct dentry *new_dentry);
330 int security_inode_unlink(struct inode *dir, struct dentry *dentry);
331 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
332 const char *old_name);
333 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
334 int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
335 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
336 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
337 struct inode *new_dir, struct dentry *new_dentry,
339 int security_inode_readlink(struct dentry *dentry);
340 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
342 int security_inode_permission(struct inode *inode, int mask);
343 int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
344 int security_inode_getattr(const struct path *path);
345 int security_inode_setxattr(struct dentry *dentry, const char *name,
346 const void *value, size_t size, int flags);
347 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
348 const void *value, size_t size, int flags);
349 int security_inode_getxattr(struct dentry *dentry, const char *name);
350 int security_inode_listxattr(struct dentry *dentry);
351 int security_inode_removexattr(struct dentry *dentry, const char *name);
352 int security_inode_need_killpriv(struct dentry *dentry);
353 int security_inode_killpriv(struct dentry *dentry);
354 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
355 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
356 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
357 void security_inode_getsecid(struct inode *inode, u32 *secid);
358 int security_inode_copy_up(struct dentry *src, struct cred **new);
359 int security_inode_copy_up_xattr(const char *name);
360 int security_kernfs_init_security(struct kernfs_node *kn_dir,
361 struct kernfs_node *kn);
362 int security_file_permission(struct file *file, int mask);
363 int security_file_alloc(struct file *file);
364 void security_file_free(struct file *file);
365 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
366 int security_mmap_file(struct file *file, unsigned long prot,
367 unsigned long flags);
368 int security_mmap_addr(unsigned long addr);
369 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
371 int security_file_lock(struct file *file, unsigned int cmd);
372 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
373 void security_file_set_fowner(struct file *file);
374 int security_file_send_sigiotask(struct task_struct *tsk,
375 struct fown_struct *fown, int sig);
376 int security_file_receive(struct file *file);
377 int security_file_open(struct file *file);
378 int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
379 void security_task_free(struct task_struct *task);
380 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
381 void security_cred_free(struct cred *cred);
382 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
383 void security_transfer_creds(struct cred *new, const struct cred *old);
384 void security_cred_getsecid(const struct cred *c, u32 *secid);
385 int security_kernel_act_as(struct cred *new, u32 secid);
386 int security_kernel_create_files_as(struct cred *new, struct inode *inode);
387 int security_kernel_module_request(char *kmod_name);
388 int security_kernel_load_data(enum kernel_load_data_id id);
389 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
390 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
391 enum kernel_read_file_id id);
392 int security_task_fix_setuid(struct cred *new, const struct cred *old,
394 int security_task_setpgid(struct task_struct *p, pid_t pgid);
395 int security_task_getpgid(struct task_struct *p);
396 int security_task_getsid(struct task_struct *p);
397 void security_task_getsecid(struct task_struct *p, u32 *secid);
398 int security_task_setnice(struct task_struct *p, int nice);
399 int security_task_setioprio(struct task_struct *p, int ioprio);
400 int security_task_getioprio(struct task_struct *p);
401 int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
403 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
404 struct rlimit *new_rlim);
405 int security_task_setscheduler(struct task_struct *p);
406 int security_task_getscheduler(struct task_struct *p);
407 int security_task_movememory(struct task_struct *p);
408 int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
409 int sig, const struct cred *cred);
410 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
411 unsigned long arg4, unsigned long arg5);
412 void security_task_to_inode(struct task_struct *p, struct inode *inode);
413 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
414 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
415 int security_msg_msg_alloc(struct msg_msg *msg);
416 void security_msg_msg_free(struct msg_msg *msg);
417 int security_msg_queue_alloc(struct kern_ipc_perm *msq);
418 void security_msg_queue_free(struct kern_ipc_perm *msq);
419 int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
420 int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
421 int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
422 struct msg_msg *msg, int msqflg);
423 int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
424 struct task_struct *target, long type, int mode);
425 int security_shm_alloc(struct kern_ipc_perm *shp);
426 void security_shm_free(struct kern_ipc_perm *shp);
427 int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
428 int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
429 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
430 int security_sem_alloc(struct kern_ipc_perm *sma);
431 void security_sem_free(struct kern_ipc_perm *sma);
432 int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
433 int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
434 int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
435 unsigned nsops, int alter);
436 void security_d_instantiate(struct dentry *dentry, struct inode *inode);
437 int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
439 int security_setprocattr(const char *lsm, const char *name, void *value,
441 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
442 int security_ismaclabel(const char *name);
443 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
444 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
445 void security_release_secctx(char *secdata, u32 seclen);
446 void security_inode_invalidate_secctx(struct inode *inode);
447 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
448 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
449 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
450 int security_locked_down(enum lockdown_reason what);
451 #else /* CONFIG_SECURITY */
453 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
458 static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
463 static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
468 static inline void security_free_mnt_opts(void **mnt_opts)
473 * This is the default capabilities functionality. Most of these functions
474 * are just stubbed out, but a few must call the proper capable code.
477 static inline int security_init(void)
482 static inline int early_security_init(void)
487 static inline int security_binder_set_context_mgr(struct task_struct *mgr)
492 static inline int security_binder_transaction(struct task_struct *from,
493 struct task_struct *to)
498 static inline int security_binder_transfer_binder(struct task_struct *from,
499 struct task_struct *to)
504 static inline int security_binder_transfer_file(struct task_struct *from,
505 struct task_struct *to,
511 static inline int security_ptrace_access_check(struct task_struct *child,
514 return cap_ptrace_access_check(child, mode);
517 static inline int security_ptrace_traceme(struct task_struct *parent)
519 return cap_ptrace_traceme(parent);
522 static inline int security_capget(struct task_struct *target,
523 kernel_cap_t *effective,
524 kernel_cap_t *inheritable,
525 kernel_cap_t *permitted)
527 return cap_capget(target, effective, inheritable, permitted);
530 static inline int security_capset(struct cred *new,
531 const struct cred *old,
532 const kernel_cap_t *effective,
533 const kernel_cap_t *inheritable,
534 const kernel_cap_t *permitted)
536 return cap_capset(new, old, effective, inheritable, permitted);
539 static inline int security_capable(const struct cred *cred,
540 struct user_namespace *ns,
544 return cap_capable(cred, ns, cap, opts);
547 static inline int security_quotactl(int cmds, int type, int id,
548 struct super_block *sb)
553 static inline int security_quota_on(struct dentry *dentry)
558 static inline int security_syslog(int type)
563 static inline int security_settime64(const struct timespec64 *ts,
564 const struct timezone *tz)
566 return cap_settime(ts, tz);
569 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
571 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
574 static inline int security_bprm_set_creds(struct linux_binprm *bprm)
576 return cap_bprm_set_creds(bprm);
579 static inline int security_bprm_check(struct linux_binprm *bprm)
584 static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
588 static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
592 static inline int security_fs_context_dup(struct fs_context *fc,
593 struct fs_context *src_fc)
597 static inline int security_fs_context_parse_param(struct fs_context *fc,
598 struct fs_parameter *param)
603 static inline int security_sb_alloc(struct super_block *sb)
608 static inline void security_sb_free(struct super_block *sb)
611 static inline int security_sb_eat_lsm_opts(char *options,
617 static inline int security_sb_remount(struct super_block *sb,
623 static inline int security_sb_kern_mount(struct super_block *sb)
628 static inline int security_sb_show_options(struct seq_file *m,
629 struct super_block *sb)
634 static inline int security_sb_statfs(struct dentry *dentry)
639 static inline int security_sb_mount(const char *dev_name, const struct path *path,
640 const char *type, unsigned long flags,
646 static inline int security_sb_umount(struct vfsmount *mnt, int flags)
651 static inline int security_sb_pivotroot(const struct path *old_path,
652 const struct path *new_path)
657 static inline int security_sb_set_mnt_opts(struct super_block *sb,
659 unsigned long kern_flags,
660 unsigned long *set_kern_flags)
665 static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
666 struct super_block *newsb,
667 unsigned long kern_flags,
668 unsigned long *set_kern_flags)
673 static inline int security_add_mnt_opt(const char *option, const char *val,
674 int len, void **mnt_opts)
679 static inline int security_move_mount(const struct path *from_path,
680 const struct path *to_path)
685 static inline int security_path_notify(const struct path *path, u64 mask,
686 unsigned int obj_type)
691 static inline int security_inode_alloc(struct inode *inode)
696 static inline void security_inode_free(struct inode *inode)
699 static inline int security_dentry_init_security(struct dentry *dentry,
701 const struct qstr *name,
708 static inline int security_dentry_create_files_as(struct dentry *dentry,
709 int mode, struct qstr *name,
710 const struct cred *old,
717 static inline int security_inode_init_security(struct inode *inode,
719 const struct qstr *qstr,
720 const initxattrs xattrs,
726 static inline int security_old_inode_init_security(struct inode *inode,
728 const struct qstr *qstr,
730 void **value, size_t *len)
735 static inline int security_inode_create(struct inode *dir,
736 struct dentry *dentry,
742 static inline int security_inode_link(struct dentry *old_dentry,
744 struct dentry *new_dentry)
749 static inline int security_inode_unlink(struct inode *dir,
750 struct dentry *dentry)
755 static inline int security_inode_symlink(struct inode *dir,
756 struct dentry *dentry,
757 const char *old_name)
762 static inline int security_inode_mkdir(struct inode *dir,
763 struct dentry *dentry,
769 static inline int security_inode_rmdir(struct inode *dir,
770 struct dentry *dentry)
775 static inline int security_inode_mknod(struct inode *dir,
776 struct dentry *dentry,
782 static inline int security_inode_rename(struct inode *old_dir,
783 struct dentry *old_dentry,
784 struct inode *new_dir,
785 struct dentry *new_dentry,
791 static inline int security_inode_readlink(struct dentry *dentry)
796 static inline int security_inode_follow_link(struct dentry *dentry,
803 static inline int security_inode_permission(struct inode *inode, int mask)
808 static inline int security_inode_setattr(struct dentry *dentry,
814 static inline int security_inode_getattr(const struct path *path)
819 static inline int security_inode_setxattr(struct dentry *dentry,
820 const char *name, const void *value, size_t size, int flags)
822 return cap_inode_setxattr(dentry, name, value, size, flags);
825 static inline void security_inode_post_setxattr(struct dentry *dentry,
826 const char *name, const void *value, size_t size, int flags)
829 static inline int security_inode_getxattr(struct dentry *dentry,
835 static inline int security_inode_listxattr(struct dentry *dentry)
840 static inline int security_inode_removexattr(struct dentry *dentry,
843 return cap_inode_removexattr(dentry, name);
846 static inline int security_inode_need_killpriv(struct dentry *dentry)
848 return cap_inode_need_killpriv(dentry);
851 static inline int security_inode_killpriv(struct dentry *dentry)
853 return cap_inode_killpriv(dentry);
856 static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
861 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
866 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
871 static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
876 static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
881 static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
882 struct kernfs_node *kn)
887 static inline int security_inode_copy_up_xattr(const char *name)
892 static inline int security_file_permission(struct file *file, int mask)
897 static inline int security_file_alloc(struct file *file)
902 static inline void security_file_free(struct file *file)
905 static inline int security_file_ioctl(struct file *file, unsigned int cmd,
911 static inline int security_mmap_file(struct file *file, unsigned long prot,
917 static inline int security_mmap_addr(unsigned long addr)
919 return cap_mmap_addr(addr);
922 static inline int security_file_mprotect(struct vm_area_struct *vma,
923 unsigned long reqprot,
929 static inline int security_file_lock(struct file *file, unsigned int cmd)
934 static inline int security_file_fcntl(struct file *file, unsigned int cmd,
940 static inline void security_file_set_fowner(struct file *file)
945 static inline int security_file_send_sigiotask(struct task_struct *tsk,
946 struct fown_struct *fown,
952 static inline int security_file_receive(struct file *file)
957 static inline int security_file_open(struct file *file)
962 static inline int security_task_alloc(struct task_struct *task,
963 unsigned long clone_flags)
968 static inline void security_task_free(struct task_struct *task)
971 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
976 static inline void security_cred_free(struct cred *cred)
979 static inline int security_prepare_creds(struct cred *new,
980 const struct cred *old,
986 static inline void security_transfer_creds(struct cred *new,
987 const struct cred *old)
991 static inline int security_kernel_act_as(struct cred *cred, u32 secid)
996 static inline int security_kernel_create_files_as(struct cred *cred,
1002 static inline int security_kernel_module_request(char *kmod_name)
1007 static inline int security_kernel_load_data(enum kernel_load_data_id id)
1012 static inline int security_kernel_read_file(struct file *file,
1013 enum kernel_read_file_id id)
1018 static inline int security_kernel_post_read_file(struct file *file,
1019 char *buf, loff_t size,
1020 enum kernel_read_file_id id)
1025 static inline int security_task_fix_setuid(struct cred *new,
1026 const struct cred *old,
1029 return cap_task_fix_setuid(new, old, flags);
1032 static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1037 static inline int security_task_getpgid(struct task_struct *p)
1042 static inline int security_task_getsid(struct task_struct *p)
1047 static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
1052 static inline int security_task_setnice(struct task_struct *p, int nice)
1054 return cap_task_setnice(p, nice);
1057 static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1059 return cap_task_setioprio(p, ioprio);
1062 static inline int security_task_getioprio(struct task_struct *p)
1067 static inline int security_task_prlimit(const struct cred *cred,
1068 const struct cred *tcred,
1074 static inline int security_task_setrlimit(struct task_struct *p,
1075 unsigned int resource,
1076 struct rlimit *new_rlim)
1081 static inline int security_task_setscheduler(struct task_struct *p)
1083 return cap_task_setscheduler(p);
1086 static inline int security_task_getscheduler(struct task_struct *p)
1091 static inline int security_task_movememory(struct task_struct *p)
1096 static inline int security_task_kill(struct task_struct *p,
1097 struct kernel_siginfo *info, int sig,
1098 const struct cred *cred)
1103 static inline int security_task_prctl(int option, unsigned long arg2,
1108 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1111 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1114 static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1120 static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1125 static inline int security_msg_msg_alloc(struct msg_msg *msg)
1130 static inline void security_msg_msg_free(struct msg_msg *msg)
1133 static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1138 static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1141 static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1147 static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1152 static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1153 struct msg_msg *msg, int msqflg)
1158 static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1159 struct msg_msg *msg,
1160 struct task_struct *target,
1161 long type, int mode)
1166 static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1171 static inline void security_shm_free(struct kern_ipc_perm *shp)
1174 static inline int security_shm_associate(struct kern_ipc_perm *shp,
1180 static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1185 static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1186 char __user *shmaddr, int shmflg)
1191 static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1196 static inline void security_sem_free(struct kern_ipc_perm *sma)
1199 static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1204 static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1209 static inline int security_sem_semop(struct kern_ipc_perm *sma,
1210 struct sembuf *sops, unsigned nsops,
1216 static inline void security_d_instantiate(struct dentry *dentry,
1217 struct inode *inode)
1220 static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1221 char *name, char **value)
1226 static inline int security_setprocattr(const char *lsm, char *name,
1227 void *value, size_t size)
1232 static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1237 static inline int security_ismaclabel(const char *name)
1242 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1247 static inline int security_secctx_to_secid(const char *secdata,
1254 static inline void security_release_secctx(char *secdata, u32 seclen)
1258 static inline void security_inode_invalidate_secctx(struct inode *inode)
1262 static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1266 static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1270 static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1274 static inline int security_locked_down(enum lockdown_reason what)
1278 #endif /* CONFIG_SECURITY */
1280 #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
1281 int security_post_notification(const struct cred *w_cred,
1282 const struct cred *cred,
1283 struct watch_notification *n);
1285 static inline int security_post_notification(const struct cred *w_cred,
1286 const struct cred *cred,
1287 struct watch_notification *n)
1293 #if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
1294 int security_watch_key(struct key *key);
1296 static inline int security_watch_key(struct key *key)
1302 #ifdef CONFIG_SECURITY_NETWORK
1304 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1305 int security_unix_may_send(struct socket *sock, struct socket *other);
1306 int security_socket_create(int family, int type, int protocol, int kern);
1307 int security_socket_post_create(struct socket *sock, int family,
1308 int type, int protocol, int kern);
1309 int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1310 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1311 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1312 int security_socket_listen(struct socket *sock, int backlog);
1313 int security_socket_accept(struct socket *sock, struct socket *newsock);
1314 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1315 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1316 int size, int flags);
1317 int security_socket_getsockname(struct socket *sock);
1318 int security_socket_getpeername(struct socket *sock);
1319 int security_socket_getsockopt(struct socket *sock, int level, int optname);
1320 int security_socket_setsockopt(struct socket *sock, int level, int optname);
1321 int security_socket_shutdown(struct socket *sock, int how);
1322 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1323 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1324 int __user *optlen, unsigned len);
1325 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1326 int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1327 void security_sk_free(struct sock *sk);
1328 void security_sk_clone(const struct sock *sk, struct sock *newsk);
1329 void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
1330 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
1331 void security_sock_graft(struct sock*sk, struct socket *parent);
1332 int security_inet_conn_request(struct sock *sk,
1333 struct sk_buff *skb, struct request_sock *req);
1334 void security_inet_csk_clone(struct sock *newsk,
1335 const struct request_sock *req);
1336 void security_inet_conn_established(struct sock *sk,
1337 struct sk_buff *skb);
1338 int security_secmark_relabel_packet(u32 secid);
1339 void security_secmark_refcount_inc(void);
1340 void security_secmark_refcount_dec(void);
1341 int security_tun_dev_alloc_security(void **security);
1342 void security_tun_dev_free_security(void *security);
1343 int security_tun_dev_create(void);
1344 int security_tun_dev_attach_queue(void *security);
1345 int security_tun_dev_attach(struct sock *sk, void *security);
1346 int security_tun_dev_open(void *security);
1347 int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb);
1348 int security_sctp_bind_connect(struct sock *sk, int optname,
1349 struct sockaddr *address, int addrlen);
1350 void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
1351 struct sock *newsk);
1353 #else /* CONFIG_SECURITY_NETWORK */
1354 static inline int security_unix_stream_connect(struct sock *sock,
1361 static inline int security_unix_may_send(struct socket *sock,
1362 struct socket *other)
1367 static inline int security_socket_create(int family, int type,
1368 int protocol, int kern)
1373 static inline int security_socket_post_create(struct socket *sock,
1376 int protocol, int kern)
1381 static inline int security_socket_socketpair(struct socket *socka,
1382 struct socket *sockb)
1387 static inline int security_socket_bind(struct socket *sock,
1388 struct sockaddr *address,
1394 static inline int security_socket_connect(struct socket *sock,
1395 struct sockaddr *address,
1401 static inline int security_socket_listen(struct socket *sock, int backlog)
1406 static inline int security_socket_accept(struct socket *sock,
1407 struct socket *newsock)
1412 static inline int security_socket_sendmsg(struct socket *sock,
1413 struct msghdr *msg, int size)
1418 static inline int security_socket_recvmsg(struct socket *sock,
1419 struct msghdr *msg, int size,
1425 static inline int security_socket_getsockname(struct socket *sock)
1430 static inline int security_socket_getpeername(struct socket *sock)
1435 static inline int security_socket_getsockopt(struct socket *sock,
1436 int level, int optname)
1441 static inline int security_socket_setsockopt(struct socket *sock,
1442 int level, int optname)
1447 static inline int security_socket_shutdown(struct socket *sock, int how)
1451 static inline int security_sock_rcv_skb(struct sock *sk,
1452 struct sk_buff *skb)
1457 static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1458 int __user *optlen, unsigned len)
1460 return -ENOPROTOOPT;
1463 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1465 return -ENOPROTOOPT;
1468 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1473 static inline void security_sk_free(struct sock *sk)
1477 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1481 static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1485 static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1489 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1493 static inline int security_inet_conn_request(struct sock *sk,
1494 struct sk_buff *skb, struct request_sock *req)
1499 static inline void security_inet_csk_clone(struct sock *newsk,
1500 const struct request_sock *req)
1504 static inline void security_inet_conn_established(struct sock *sk,
1505 struct sk_buff *skb)
1509 static inline int security_secmark_relabel_packet(u32 secid)
1514 static inline void security_secmark_refcount_inc(void)
1518 static inline void security_secmark_refcount_dec(void)
1522 static inline int security_tun_dev_alloc_security(void **security)
1527 static inline void security_tun_dev_free_security(void *security)
1531 static inline int security_tun_dev_create(void)
1536 static inline int security_tun_dev_attach_queue(void *security)
1541 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1546 static inline int security_tun_dev_open(void *security)
1551 static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
1552 struct sk_buff *skb)
1557 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1558 struct sockaddr *address,
1564 static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
1569 #endif /* CONFIG_SECURITY_NETWORK */
1571 #ifdef CONFIG_SECURITY_INFINIBAND
1572 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1573 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1574 int security_ib_alloc_security(void **sec);
1575 void security_ib_free_security(void *sec);
1576 #else /* CONFIG_SECURITY_INFINIBAND */
1577 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1582 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1587 static inline int security_ib_alloc_security(void **sec)
1592 static inline void security_ib_free_security(void *sec)
1595 #endif /* CONFIG_SECURITY_INFINIBAND */
1597 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1599 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1600 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1601 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1602 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1603 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1604 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1605 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1606 struct xfrm_sec_ctx *polsec, u32 secid);
1607 int security_xfrm_state_delete(struct xfrm_state *x);
1608 void security_xfrm_state_free(struct xfrm_state *x);
1609 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
1610 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1611 struct xfrm_policy *xp,
1612 const struct flowi *fl);
1613 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1614 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
1616 #else /* CONFIG_SECURITY_NETWORK_XFRM */
1618 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1619 struct xfrm_user_sec_ctx *sec_ctx,
1625 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1630 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1634 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1639 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1640 struct xfrm_user_sec_ctx *sec_ctx)
1645 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1646 struct xfrm_sec_ctx *polsec, u32 secid)
1651 static inline void security_xfrm_state_free(struct xfrm_state *x)
1655 static inline int security_xfrm_state_delete(struct xfrm_state *x)
1660 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1665 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1666 struct xfrm_policy *xp, const struct flowi *fl)
1671 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1676 static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1680 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1682 #ifdef CONFIG_SECURITY_PATH
1683 int security_path_unlink(const struct path *dir, struct dentry *dentry);
1684 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1685 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1686 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1688 int security_path_truncate(const struct path *path);
1689 int security_path_symlink(const struct path *dir, struct dentry *dentry,
1690 const char *old_name);
1691 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1692 struct dentry *new_dentry);
1693 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1694 const struct path *new_dir, struct dentry *new_dentry,
1695 unsigned int flags);
1696 int security_path_chmod(const struct path *path, umode_t mode);
1697 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1698 int security_path_chroot(const struct path *path);
1699 #else /* CONFIG_SECURITY_PATH */
1700 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1705 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1711 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1716 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1717 umode_t mode, unsigned int dev)
1722 static inline int security_path_truncate(const struct path *path)
1727 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1728 const char *old_name)
1733 static inline int security_path_link(struct dentry *old_dentry,
1734 const struct path *new_dir,
1735 struct dentry *new_dentry)
1740 static inline int security_path_rename(const struct path *old_dir,
1741 struct dentry *old_dentry,
1742 const struct path *new_dir,
1743 struct dentry *new_dentry,
1749 static inline int security_path_chmod(const struct path *path, umode_t mode)
1754 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1759 static inline int security_path_chroot(const struct path *path)
1763 #endif /* CONFIG_SECURITY_PATH */
1766 #ifdef CONFIG_SECURITY
1768 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1769 void security_key_free(struct key *key);
1770 int security_key_permission(key_ref_t key_ref,
1771 const struct cred *cred, unsigned perm);
1772 int security_key_getsecurity(struct key *key, char **_buffer);
1776 static inline int security_key_alloc(struct key *key,
1777 const struct cred *cred,
1778 unsigned long flags)
1783 static inline void security_key_free(struct key *key)
1787 static inline int security_key_permission(key_ref_t key_ref,
1788 const struct cred *cred,
1794 static inline int security_key_getsecurity(struct key *key, char **_buffer)
1801 #endif /* CONFIG_KEYS */
1804 #ifdef CONFIG_SECURITY
1805 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1806 int security_audit_rule_known(struct audit_krule *krule);
1807 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1808 void security_audit_rule_free(void *lsmrule);
1812 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1818 static inline int security_audit_rule_known(struct audit_krule *krule)
1823 static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1829 static inline void security_audit_rule_free(void *lsmrule)
1832 #endif /* CONFIG_SECURITY */
1833 #endif /* CONFIG_AUDIT */
1835 #ifdef CONFIG_SECURITYFS
1837 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1838 struct dentry *parent, void *data,
1839 const struct file_operations *fops);
1840 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1841 struct dentry *securityfs_create_symlink(const char *name,
1842 struct dentry *parent,
1844 const struct inode_operations *iops);
1845 extern void securityfs_remove(struct dentry *dentry);
1847 #else /* CONFIG_SECURITYFS */
1849 static inline struct dentry *securityfs_create_dir(const char *name,
1850 struct dentry *parent)
1852 return ERR_PTR(-ENODEV);
1855 static inline struct dentry *securityfs_create_file(const char *name,
1857 struct dentry *parent,
1859 const struct file_operations *fops)
1861 return ERR_PTR(-ENODEV);
1864 static inline struct dentry *securityfs_create_symlink(const char *name,
1865 struct dentry *parent,
1867 const struct inode_operations *iops)
1869 return ERR_PTR(-ENODEV);
1872 static inline void securityfs_remove(struct dentry *dentry)
1877 #ifdef CONFIG_BPF_SYSCALL
1881 struct bpf_prog_aux;
1882 #ifdef CONFIG_SECURITY
1883 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1884 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1885 extern int security_bpf_prog(struct bpf_prog *prog);
1886 extern int security_bpf_map_alloc(struct bpf_map *map);
1887 extern void security_bpf_map_free(struct bpf_map *map);
1888 extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1889 extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1891 static inline int security_bpf(int cmd, union bpf_attr *attr,
1897 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1902 static inline int security_bpf_prog(struct bpf_prog *prog)
1907 static inline int security_bpf_map_alloc(struct bpf_map *map)
1912 static inline void security_bpf_map_free(struct bpf_map *map)
1915 static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1920 static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
1922 #endif /* CONFIG_SECURITY */
1923 #endif /* CONFIG_BPF_SYSCALL */
1925 #ifdef CONFIG_PERF_EVENTS
1926 struct perf_event_attr;
1929 #ifdef CONFIG_SECURITY
1930 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
1931 extern int security_perf_event_alloc(struct perf_event *event);
1932 extern void security_perf_event_free(struct perf_event *event);
1933 extern int security_perf_event_read(struct perf_event *event);
1934 extern int security_perf_event_write(struct perf_event *event);
1936 static inline int security_perf_event_open(struct perf_event_attr *attr,
1942 static inline int security_perf_event_alloc(struct perf_event *event)
1947 static inline void security_perf_event_free(struct perf_event *event)
1951 static inline int security_perf_event_read(struct perf_event *event)
1956 static inline int security_perf_event_write(struct perf_event *event)
1960 #endif /* CONFIG_SECURITY */
1961 #endif /* CONFIG_PERF_EVENTS */
1963 #endif /* ! __LINUX_SECURITY_H */