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/kernel_read_file.h>
27 #include <linux/key.h>
28 #include <linux/capability.h>
30 #include <linux/slab.h>
31 #include <linux/err.h>
32 #include <linux/string.h>
38 struct kernel_siginfo;
51 struct file_operations;
61 struct watch_notification;
63 /* Default (no) options for the capable function */
64 #define CAP_OPT_NONE 0x0
65 /* If capable should audit the security request */
66 #define CAP_OPT_NOAUDIT BIT(1)
67 /* If capable is being called by a setid function */
68 #define CAP_OPT_INSETID BIT(2)
70 /* LSM Agnostic defines for fs_context::lsm_flags */
71 #define SECURITY_LSM_NATIVE_LABELS 1
75 struct user_namespace;
83 * These are reasons that can be passed to the security_locked_down()
84 * LSM hook. Lockdown reasons that protect kernel integrity (ie, the
85 * ability for userland to modify kernel code) are placed before
86 * LOCKDOWN_INTEGRITY_MAX. Lockdown reasons that protect kernel
87 * confidentiality (ie, the ability for userland to extract
88 * information from the running kernel that would otherwise be
89 * restricted) are placed before LOCKDOWN_CONFIDENTIALITY_MAX.
91 * LSM authors should note that the semantics of any given lockdown
92 * reason are not guaranteed to be stable - the same reason may block
93 * one set of features in one kernel release, and a slightly different
94 * set of features in a later kernel release. LSMs that seek to expose
95 * lockdown policy at any level of granularity other than "none",
96 * "integrity" or "confidentiality" are responsible for either
97 * ensuring that they expose a consistent level of functionality to
98 * userland, or ensuring that userland is aware that this is
99 * potentially a moving target. It is easy to misuse this information
100 * in a way that could break userspace. Please be careful not to do
103 * If you add to this, remember to extend lockdown_reasons in
104 * security/lockdown/lockdown.c.
106 enum lockdown_reason {
108 LOCKDOWN_MODULE_SIGNATURE,
112 LOCKDOWN_HIBERNATION,
116 LOCKDOWN_ACPI_TABLES,
118 LOCKDOWN_TIOCSSERIAL,
119 LOCKDOWN_MODULE_PARAMETERS,
123 LOCKDOWN_INTEGRITY_MAX,
130 LOCKDOWN_CONFIDENTIALITY_MAX,
133 extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
135 /* These functions are in security/commoncap.c */
136 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
137 int cap, unsigned int opts);
138 extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
139 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
140 extern int cap_ptrace_traceme(struct task_struct *parent);
141 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
142 extern int cap_capset(struct cred *new, const struct cred *old,
143 const kernel_cap_t *effective,
144 const kernel_cap_t *inheritable,
145 const kernel_cap_t *permitted);
146 extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
147 extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
148 const void *value, size_t size, int flags);
149 extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
150 extern int cap_inode_need_killpriv(struct dentry *dentry);
151 extern int cap_inode_killpriv(struct dentry *dentry);
152 extern int cap_inode_getsecurity(struct inode *inode, const char *name,
153 void **buffer, bool alloc);
154 extern int cap_mmap_addr(unsigned long addr);
155 extern int cap_mmap_file(struct file *file, unsigned long reqprot,
156 unsigned long prot, unsigned long flags);
157 extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
158 extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
159 unsigned long arg4, unsigned long arg5);
160 extern int cap_task_setscheduler(struct task_struct *p);
161 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
162 extern int cap_task_setnice(struct task_struct *p, int nice);
163 extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
172 struct xfrm_selector;
175 struct xfrm_user_sec_ctx;
177 struct sctp_endpoint;
180 extern unsigned long mmap_min_addr;
181 extern unsigned long dac_mmap_min_addr;
183 #define mmap_min_addr 0UL
184 #define dac_mmap_min_addr 0UL
188 * Values used in the task_security_ops calls
190 /* setuid or setgid, id0 == uid or gid */
191 #define LSM_SETID_ID 1
193 /* setreuid or setregid, id0 == real, id1 == eff */
194 #define LSM_SETID_RE 2
196 /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
197 #define LSM_SETID_RES 4
199 /* setfsuid or setfsgid, id0 == fsuid or fsgid */
200 #define LSM_SETID_FS 8
202 /* Flags for security_task_prlimit(). */
203 #define LSM_PRLIMIT_READ 1
204 #define LSM_PRLIMIT_WRITE 2
206 /* forward declares to avoid warnings */
210 /* bprm->unsafe reasons */
211 #define LSM_UNSAFE_SHARE 1
212 #define LSM_UNSAFE_PTRACE 2
213 #define LSM_UNSAFE_NO_NEW_PRIVS 4
216 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
217 void *buffer, size_t *lenp, loff_t *ppos);
220 /* security_inode_init_security callback function to write xattrs */
221 typedef int (*initxattrs) (struct inode *inode,
222 const struct xattr *xattr_array, void *fs_data);
225 /* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
226 #define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
227 #define __data_id_stringify(dummy, str) #str,
229 enum kernel_load_data_id {
230 __kernel_read_file_id(__data_id_enumify)
233 static const char * const kernel_load_data_str[] = {
234 __kernel_read_file_id(__data_id_stringify)
237 static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
239 if ((unsigned)id >= LOADING_MAX_ID)
240 return kernel_load_data_str[LOADING_UNKNOWN];
242 return kernel_load_data_str[id];
245 #ifdef CONFIG_SECURITY
247 int call_blocking_lsm_notifier(enum lsm_event event, void *data);
248 int register_blocking_lsm_notifier(struct notifier_block *nb);
249 int unregister_blocking_lsm_notifier(struct notifier_block *nb);
252 extern int security_init(void);
253 extern int early_security_init(void);
255 /* Security operations */
256 int security_binder_set_context_mgr(struct task_struct *mgr);
257 int security_binder_transaction(struct task_struct *from,
258 struct task_struct *to);
259 int security_binder_transfer_binder(struct task_struct *from,
260 struct task_struct *to);
261 int security_binder_transfer_file(struct task_struct *from,
262 struct task_struct *to, struct file *file);
263 int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
264 int security_ptrace_traceme(struct task_struct *parent);
265 int security_capget(struct task_struct *target,
266 kernel_cap_t *effective,
267 kernel_cap_t *inheritable,
268 kernel_cap_t *permitted);
269 int security_capset(struct cred *new, const struct cred *old,
270 const kernel_cap_t *effective,
271 const kernel_cap_t *inheritable,
272 const kernel_cap_t *permitted);
273 int security_capable(const struct cred *cred,
274 struct user_namespace *ns,
277 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
278 int security_quota_on(struct dentry *dentry);
279 int security_syslog(int type);
280 int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
281 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
282 int security_bprm_creds_for_exec(struct linux_binprm *bprm);
283 int security_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
284 int security_bprm_check(struct linux_binprm *bprm);
285 void security_bprm_committing_creds(struct linux_binprm *bprm);
286 void security_bprm_committed_creds(struct linux_binprm *bprm);
287 int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
288 int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
289 int security_sb_alloc(struct super_block *sb);
290 void security_sb_free(struct super_block *sb);
291 void security_free_mnt_opts(void **mnt_opts);
292 int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
293 int security_sb_remount(struct super_block *sb, void *mnt_opts);
294 int security_sb_kern_mount(struct super_block *sb);
295 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
296 int security_sb_statfs(struct dentry *dentry);
297 int security_sb_mount(const char *dev_name, const struct path *path,
298 const char *type, unsigned long flags, void *data);
299 int security_sb_umount(struct vfsmount *mnt, int flags);
300 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
301 int security_sb_set_mnt_opts(struct super_block *sb,
303 unsigned long kern_flags,
304 unsigned long *set_kern_flags);
305 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
306 struct super_block *newsb,
307 unsigned long kern_flags,
308 unsigned long *set_kern_flags);
309 int security_add_mnt_opt(const char *option, const char *val,
310 int len, void **mnt_opts);
311 int security_move_mount(const struct path *from_path, const struct path *to_path);
312 int security_dentry_init_security(struct dentry *dentry, int mode,
313 const struct qstr *name, void **ctx,
315 int security_dentry_create_files_as(struct dentry *dentry, int mode,
317 const struct cred *old,
319 int security_path_notify(const struct path *path, u64 mask,
320 unsigned int obj_type);
321 int security_inode_alloc(struct inode *inode);
322 void security_inode_free(struct inode *inode);
323 int security_inode_init_security(struct inode *inode, struct inode *dir,
324 const struct qstr *qstr,
325 initxattrs initxattrs, void *fs_data);
326 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
327 const struct qstr *qstr, const char **name,
328 void **value, size_t *len);
329 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
330 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
331 struct dentry *new_dentry);
332 int security_inode_unlink(struct inode *dir, struct dentry *dentry);
333 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
334 const char *old_name);
335 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
336 int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
337 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
338 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
339 struct inode *new_dir, struct dentry *new_dentry,
341 int security_inode_readlink(struct dentry *dentry);
342 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
344 int security_inode_permission(struct inode *inode, int mask);
345 int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
346 int security_inode_getattr(const struct path *path);
347 int security_inode_setxattr(struct dentry *dentry, const char *name,
348 const void *value, size_t size, int flags);
349 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
350 const void *value, size_t size, int flags);
351 int security_inode_getxattr(struct dentry *dentry, const char *name);
352 int security_inode_listxattr(struct dentry *dentry);
353 int security_inode_removexattr(struct dentry *dentry, const char *name);
354 int security_inode_need_killpriv(struct dentry *dentry);
355 int security_inode_killpriv(struct dentry *dentry);
356 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
357 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
358 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
359 void security_inode_getsecid(struct inode *inode, u32 *secid);
360 int security_inode_copy_up(struct dentry *src, struct cred **new);
361 int security_inode_copy_up_xattr(const char *name);
362 int security_kernfs_init_security(struct kernfs_node *kn_dir,
363 struct kernfs_node *kn);
364 int security_file_permission(struct file *file, int mask);
365 int security_file_alloc(struct file *file);
366 void security_file_free(struct file *file);
367 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
368 int security_mmap_file(struct file *file, unsigned long prot,
369 unsigned long flags);
370 int security_mmap_addr(unsigned long addr);
371 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
373 int security_file_lock(struct file *file, unsigned int cmd);
374 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
375 void security_file_set_fowner(struct file *file);
376 int security_file_send_sigiotask(struct task_struct *tsk,
377 struct fown_struct *fown, int sig);
378 int security_file_receive(struct file *file);
379 int security_file_open(struct file *file);
380 int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
381 void security_task_free(struct task_struct *task);
382 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
383 void security_cred_free(struct cred *cred);
384 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
385 void security_transfer_creds(struct cred *new, const struct cred *old);
386 void security_cred_getsecid(const struct cred *c, u32 *secid);
387 int security_kernel_act_as(struct cred *new, u32 secid);
388 int security_kernel_create_files_as(struct cred *new, struct inode *inode);
389 int security_kernel_module_request(char *kmod_name);
390 int security_kernel_load_data(enum kernel_load_data_id id, bool contents);
391 int security_kernel_post_load_data(char *buf, loff_t size,
392 enum kernel_load_data_id id,
394 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id,
396 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
397 enum kernel_read_file_id id);
398 int security_task_fix_setuid(struct cred *new, const struct cred *old,
400 int security_task_fix_setgid(struct cred *new, const struct cred *old,
402 int security_task_setpgid(struct task_struct *p, pid_t pgid);
403 int security_task_getpgid(struct task_struct *p);
404 int security_task_getsid(struct task_struct *p);
405 void security_task_getsecid(struct task_struct *p, u32 *secid);
406 int security_task_setnice(struct task_struct *p, int nice);
407 int security_task_setioprio(struct task_struct *p, int ioprio);
408 int security_task_getioprio(struct task_struct *p);
409 int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
411 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
412 struct rlimit *new_rlim);
413 int security_task_setscheduler(struct task_struct *p);
414 int security_task_getscheduler(struct task_struct *p);
415 int security_task_movememory(struct task_struct *p);
416 int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
417 int sig, const struct cred *cred);
418 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
419 unsigned long arg4, unsigned long arg5);
420 void security_task_to_inode(struct task_struct *p, struct inode *inode);
421 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
422 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
423 int security_msg_msg_alloc(struct msg_msg *msg);
424 void security_msg_msg_free(struct msg_msg *msg);
425 int security_msg_queue_alloc(struct kern_ipc_perm *msq);
426 void security_msg_queue_free(struct kern_ipc_perm *msq);
427 int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
428 int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
429 int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
430 struct msg_msg *msg, int msqflg);
431 int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
432 struct task_struct *target, long type, int mode);
433 int security_shm_alloc(struct kern_ipc_perm *shp);
434 void security_shm_free(struct kern_ipc_perm *shp);
435 int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
436 int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
437 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
438 int security_sem_alloc(struct kern_ipc_perm *sma);
439 void security_sem_free(struct kern_ipc_perm *sma);
440 int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
441 int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
442 int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
443 unsigned nsops, int alter);
444 void security_d_instantiate(struct dentry *dentry, struct inode *inode);
445 int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
447 int security_setprocattr(const char *lsm, const char *name, void *value,
449 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
450 int security_ismaclabel(const char *name);
451 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
452 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
453 void security_release_secctx(char *secdata, u32 seclen);
454 void security_inode_invalidate_secctx(struct inode *inode);
455 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
456 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
457 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
458 int security_locked_down(enum lockdown_reason what);
459 #else /* CONFIG_SECURITY */
461 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
466 static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
471 static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
476 static inline void security_free_mnt_opts(void **mnt_opts)
481 * This is the default capabilities functionality. Most of these functions
482 * are just stubbed out, but a few must call the proper capable code.
485 static inline int security_init(void)
490 static inline int early_security_init(void)
495 static inline int security_binder_set_context_mgr(struct task_struct *mgr)
500 static inline int security_binder_transaction(struct task_struct *from,
501 struct task_struct *to)
506 static inline int security_binder_transfer_binder(struct task_struct *from,
507 struct task_struct *to)
512 static inline int security_binder_transfer_file(struct task_struct *from,
513 struct task_struct *to,
519 static inline int security_ptrace_access_check(struct task_struct *child,
522 return cap_ptrace_access_check(child, mode);
525 static inline int security_ptrace_traceme(struct task_struct *parent)
527 return cap_ptrace_traceme(parent);
530 static inline int security_capget(struct task_struct *target,
531 kernel_cap_t *effective,
532 kernel_cap_t *inheritable,
533 kernel_cap_t *permitted)
535 return cap_capget(target, effective, inheritable, permitted);
538 static inline int security_capset(struct cred *new,
539 const struct cred *old,
540 const kernel_cap_t *effective,
541 const kernel_cap_t *inheritable,
542 const kernel_cap_t *permitted)
544 return cap_capset(new, old, effective, inheritable, permitted);
547 static inline int security_capable(const struct cred *cred,
548 struct user_namespace *ns,
552 return cap_capable(cred, ns, cap, opts);
555 static inline int security_quotactl(int cmds, int type, int id,
556 struct super_block *sb)
561 static inline int security_quota_on(struct dentry *dentry)
566 static inline int security_syslog(int type)
571 static inline int security_settime64(const struct timespec64 *ts,
572 const struct timezone *tz)
574 return cap_settime(ts, tz);
577 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
579 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
582 static inline int security_bprm_creds_for_exec(struct linux_binprm *bprm)
587 static inline int security_bprm_creds_from_file(struct linux_binprm *bprm,
590 return cap_bprm_creds_from_file(bprm, file);
593 static inline int security_bprm_check(struct linux_binprm *bprm)
598 static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
602 static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
606 static inline int security_fs_context_dup(struct fs_context *fc,
607 struct fs_context *src_fc)
611 static inline int security_fs_context_parse_param(struct fs_context *fc,
612 struct fs_parameter *param)
617 static inline int security_sb_alloc(struct super_block *sb)
622 static inline void security_sb_free(struct super_block *sb)
625 static inline int security_sb_eat_lsm_opts(char *options,
631 static inline int security_sb_remount(struct super_block *sb,
637 static inline int security_sb_kern_mount(struct super_block *sb)
642 static inline int security_sb_show_options(struct seq_file *m,
643 struct super_block *sb)
648 static inline int security_sb_statfs(struct dentry *dentry)
653 static inline int security_sb_mount(const char *dev_name, const struct path *path,
654 const char *type, unsigned long flags,
660 static inline int security_sb_umount(struct vfsmount *mnt, int flags)
665 static inline int security_sb_pivotroot(const struct path *old_path,
666 const struct path *new_path)
671 static inline int security_sb_set_mnt_opts(struct super_block *sb,
673 unsigned long kern_flags,
674 unsigned long *set_kern_flags)
679 static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
680 struct super_block *newsb,
681 unsigned long kern_flags,
682 unsigned long *set_kern_flags)
687 static inline int security_add_mnt_opt(const char *option, const char *val,
688 int len, void **mnt_opts)
693 static inline int security_move_mount(const struct path *from_path,
694 const struct path *to_path)
699 static inline int security_path_notify(const struct path *path, u64 mask,
700 unsigned int obj_type)
705 static inline int security_inode_alloc(struct inode *inode)
710 static inline void security_inode_free(struct inode *inode)
713 static inline int security_dentry_init_security(struct dentry *dentry,
715 const struct qstr *name,
722 static inline int security_dentry_create_files_as(struct dentry *dentry,
723 int mode, struct qstr *name,
724 const struct cred *old,
731 static inline int security_inode_init_security(struct inode *inode,
733 const struct qstr *qstr,
734 const initxattrs xattrs,
740 static inline int security_old_inode_init_security(struct inode *inode,
742 const struct qstr *qstr,
744 void **value, size_t *len)
749 static inline int security_inode_create(struct inode *dir,
750 struct dentry *dentry,
756 static inline int security_inode_link(struct dentry *old_dentry,
758 struct dentry *new_dentry)
763 static inline int security_inode_unlink(struct inode *dir,
764 struct dentry *dentry)
769 static inline int security_inode_symlink(struct inode *dir,
770 struct dentry *dentry,
771 const char *old_name)
776 static inline int security_inode_mkdir(struct inode *dir,
777 struct dentry *dentry,
783 static inline int security_inode_rmdir(struct inode *dir,
784 struct dentry *dentry)
789 static inline int security_inode_mknod(struct inode *dir,
790 struct dentry *dentry,
796 static inline int security_inode_rename(struct inode *old_dir,
797 struct dentry *old_dentry,
798 struct inode *new_dir,
799 struct dentry *new_dentry,
805 static inline int security_inode_readlink(struct dentry *dentry)
810 static inline int security_inode_follow_link(struct dentry *dentry,
817 static inline int security_inode_permission(struct inode *inode, int mask)
822 static inline int security_inode_setattr(struct dentry *dentry,
828 static inline int security_inode_getattr(const struct path *path)
833 static inline int security_inode_setxattr(struct dentry *dentry,
834 const char *name, const void *value, size_t size, int flags)
836 return cap_inode_setxattr(dentry, name, value, size, flags);
839 static inline void security_inode_post_setxattr(struct dentry *dentry,
840 const char *name, const void *value, size_t size, int flags)
843 static inline int security_inode_getxattr(struct dentry *dentry,
849 static inline int security_inode_listxattr(struct dentry *dentry)
854 static inline int security_inode_removexattr(struct dentry *dentry,
857 return cap_inode_removexattr(dentry, name);
860 static inline int security_inode_need_killpriv(struct dentry *dentry)
862 return cap_inode_need_killpriv(dentry);
865 static inline int security_inode_killpriv(struct dentry *dentry)
867 return cap_inode_killpriv(dentry);
870 static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
875 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
880 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
885 static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
890 static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
895 static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
896 struct kernfs_node *kn)
901 static inline int security_inode_copy_up_xattr(const char *name)
906 static inline int security_file_permission(struct file *file, int mask)
911 static inline int security_file_alloc(struct file *file)
916 static inline void security_file_free(struct file *file)
919 static inline int security_file_ioctl(struct file *file, unsigned int cmd,
925 static inline int security_mmap_file(struct file *file, unsigned long prot,
931 static inline int security_mmap_addr(unsigned long addr)
933 return cap_mmap_addr(addr);
936 static inline int security_file_mprotect(struct vm_area_struct *vma,
937 unsigned long reqprot,
943 static inline int security_file_lock(struct file *file, unsigned int cmd)
948 static inline int security_file_fcntl(struct file *file, unsigned int cmd,
954 static inline void security_file_set_fowner(struct file *file)
959 static inline int security_file_send_sigiotask(struct task_struct *tsk,
960 struct fown_struct *fown,
966 static inline int security_file_receive(struct file *file)
971 static inline int security_file_open(struct file *file)
976 static inline int security_task_alloc(struct task_struct *task,
977 unsigned long clone_flags)
982 static inline void security_task_free(struct task_struct *task)
985 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
990 static inline void security_cred_free(struct cred *cred)
993 static inline int security_prepare_creds(struct cred *new,
994 const struct cred *old,
1000 static inline void security_transfer_creds(struct cred *new,
1001 const struct cred *old)
1005 static inline int security_kernel_act_as(struct cred *cred, u32 secid)
1010 static inline int security_kernel_create_files_as(struct cred *cred,
1011 struct inode *inode)
1016 static inline int security_kernel_module_request(char *kmod_name)
1021 static inline int security_kernel_load_data(enum kernel_load_data_id id, bool contents)
1026 static inline int security_kernel_post_load_data(char *buf, loff_t size,
1027 enum kernel_load_data_id id,
1033 static inline int security_kernel_read_file(struct file *file,
1034 enum kernel_read_file_id id,
1040 static inline int security_kernel_post_read_file(struct file *file,
1041 char *buf, loff_t size,
1042 enum kernel_read_file_id id)
1047 static inline int security_task_fix_setuid(struct cred *new,
1048 const struct cred *old,
1051 return cap_task_fix_setuid(new, old, flags);
1054 static inline int security_task_fix_setgid(struct cred *new,
1055 const struct cred *old,
1061 static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1066 static inline int security_task_getpgid(struct task_struct *p)
1071 static inline int security_task_getsid(struct task_struct *p)
1076 static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
1081 static inline int security_task_setnice(struct task_struct *p, int nice)
1083 return cap_task_setnice(p, nice);
1086 static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1088 return cap_task_setioprio(p, ioprio);
1091 static inline int security_task_getioprio(struct task_struct *p)
1096 static inline int security_task_prlimit(const struct cred *cred,
1097 const struct cred *tcred,
1103 static inline int security_task_setrlimit(struct task_struct *p,
1104 unsigned int resource,
1105 struct rlimit *new_rlim)
1110 static inline int security_task_setscheduler(struct task_struct *p)
1112 return cap_task_setscheduler(p);
1115 static inline int security_task_getscheduler(struct task_struct *p)
1120 static inline int security_task_movememory(struct task_struct *p)
1125 static inline int security_task_kill(struct task_struct *p,
1126 struct kernel_siginfo *info, int sig,
1127 const struct cred *cred)
1132 static inline int security_task_prctl(int option, unsigned long arg2,
1137 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1140 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1143 static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1149 static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1154 static inline int security_msg_msg_alloc(struct msg_msg *msg)
1159 static inline void security_msg_msg_free(struct msg_msg *msg)
1162 static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1167 static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1170 static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1176 static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1181 static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1182 struct msg_msg *msg, int msqflg)
1187 static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1188 struct msg_msg *msg,
1189 struct task_struct *target,
1190 long type, int mode)
1195 static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1200 static inline void security_shm_free(struct kern_ipc_perm *shp)
1203 static inline int security_shm_associate(struct kern_ipc_perm *shp,
1209 static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1214 static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1215 char __user *shmaddr, int shmflg)
1220 static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1225 static inline void security_sem_free(struct kern_ipc_perm *sma)
1228 static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1233 static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1238 static inline int security_sem_semop(struct kern_ipc_perm *sma,
1239 struct sembuf *sops, unsigned nsops,
1245 static inline void security_d_instantiate(struct dentry *dentry,
1246 struct inode *inode)
1249 static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1250 char *name, char **value)
1255 static inline int security_setprocattr(const char *lsm, char *name,
1256 void *value, size_t size)
1261 static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1266 static inline int security_ismaclabel(const char *name)
1271 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1276 static inline int security_secctx_to_secid(const char *secdata,
1283 static inline void security_release_secctx(char *secdata, u32 seclen)
1287 static inline void security_inode_invalidate_secctx(struct inode *inode)
1291 static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1295 static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1299 static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1303 static inline int security_locked_down(enum lockdown_reason what)
1307 #endif /* CONFIG_SECURITY */
1309 #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
1310 int security_post_notification(const struct cred *w_cred,
1311 const struct cred *cred,
1312 struct watch_notification *n);
1314 static inline int security_post_notification(const struct cred *w_cred,
1315 const struct cred *cred,
1316 struct watch_notification *n)
1322 #if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
1323 int security_watch_key(struct key *key);
1325 static inline int security_watch_key(struct key *key)
1331 #ifdef CONFIG_SECURITY_NETWORK
1333 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1334 int security_unix_may_send(struct socket *sock, struct socket *other);
1335 int security_socket_create(int family, int type, int protocol, int kern);
1336 int security_socket_post_create(struct socket *sock, int family,
1337 int type, int protocol, int kern);
1338 int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1339 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1340 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1341 int security_socket_listen(struct socket *sock, int backlog);
1342 int security_socket_accept(struct socket *sock, struct socket *newsock);
1343 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1344 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1345 int size, int flags);
1346 int security_socket_getsockname(struct socket *sock);
1347 int security_socket_getpeername(struct socket *sock);
1348 int security_socket_getsockopt(struct socket *sock, int level, int optname);
1349 int security_socket_setsockopt(struct socket *sock, int level, int optname);
1350 int security_socket_shutdown(struct socket *sock, int how);
1351 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1352 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1353 int __user *optlen, unsigned len);
1354 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1355 int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1356 void security_sk_free(struct sock *sk);
1357 void security_sk_clone(const struct sock *sk, struct sock *newsk);
1358 void security_sk_classify_flow(struct sock *sk, struct flowi_common *flic);
1359 void security_req_classify_flow(const struct request_sock *req,
1360 struct flowi_common *flic);
1361 void security_sock_graft(struct sock*sk, struct socket *parent);
1362 int security_inet_conn_request(struct sock *sk,
1363 struct sk_buff *skb, struct request_sock *req);
1364 void security_inet_csk_clone(struct sock *newsk,
1365 const struct request_sock *req);
1366 void security_inet_conn_established(struct sock *sk,
1367 struct sk_buff *skb);
1368 int security_secmark_relabel_packet(u32 secid);
1369 void security_secmark_refcount_inc(void);
1370 void security_secmark_refcount_dec(void);
1371 int security_tun_dev_alloc_security(void **security);
1372 void security_tun_dev_free_security(void *security);
1373 int security_tun_dev_create(void);
1374 int security_tun_dev_attach_queue(void *security);
1375 int security_tun_dev_attach(struct sock *sk, void *security);
1376 int security_tun_dev_open(void *security);
1377 int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb);
1378 int security_sctp_bind_connect(struct sock *sk, int optname,
1379 struct sockaddr *address, int addrlen);
1380 void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
1381 struct sock *newsk);
1383 #else /* CONFIG_SECURITY_NETWORK */
1384 static inline int security_unix_stream_connect(struct sock *sock,
1391 static inline int security_unix_may_send(struct socket *sock,
1392 struct socket *other)
1397 static inline int security_socket_create(int family, int type,
1398 int protocol, int kern)
1403 static inline int security_socket_post_create(struct socket *sock,
1406 int protocol, int kern)
1411 static inline int security_socket_socketpair(struct socket *socka,
1412 struct socket *sockb)
1417 static inline int security_socket_bind(struct socket *sock,
1418 struct sockaddr *address,
1424 static inline int security_socket_connect(struct socket *sock,
1425 struct sockaddr *address,
1431 static inline int security_socket_listen(struct socket *sock, int backlog)
1436 static inline int security_socket_accept(struct socket *sock,
1437 struct socket *newsock)
1442 static inline int security_socket_sendmsg(struct socket *sock,
1443 struct msghdr *msg, int size)
1448 static inline int security_socket_recvmsg(struct socket *sock,
1449 struct msghdr *msg, int size,
1455 static inline int security_socket_getsockname(struct socket *sock)
1460 static inline int security_socket_getpeername(struct socket *sock)
1465 static inline int security_socket_getsockopt(struct socket *sock,
1466 int level, int optname)
1471 static inline int security_socket_setsockopt(struct socket *sock,
1472 int level, int optname)
1477 static inline int security_socket_shutdown(struct socket *sock, int how)
1481 static inline int security_sock_rcv_skb(struct sock *sk,
1482 struct sk_buff *skb)
1487 static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1488 int __user *optlen, unsigned len)
1490 return -ENOPROTOOPT;
1493 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1495 return -ENOPROTOOPT;
1498 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1503 static inline void security_sk_free(struct sock *sk)
1507 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1511 static inline void security_sk_classify_flow(struct sock *sk,
1512 struct flowi_common *flic)
1516 static inline void security_req_classify_flow(const struct request_sock *req,
1517 struct flowi_common *flic)
1521 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1525 static inline int security_inet_conn_request(struct sock *sk,
1526 struct sk_buff *skb, struct request_sock *req)
1531 static inline void security_inet_csk_clone(struct sock *newsk,
1532 const struct request_sock *req)
1536 static inline void security_inet_conn_established(struct sock *sk,
1537 struct sk_buff *skb)
1541 static inline int security_secmark_relabel_packet(u32 secid)
1546 static inline void security_secmark_refcount_inc(void)
1550 static inline void security_secmark_refcount_dec(void)
1554 static inline int security_tun_dev_alloc_security(void **security)
1559 static inline void security_tun_dev_free_security(void *security)
1563 static inline int security_tun_dev_create(void)
1568 static inline int security_tun_dev_attach_queue(void *security)
1573 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1578 static inline int security_tun_dev_open(void *security)
1583 static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
1584 struct sk_buff *skb)
1589 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1590 struct sockaddr *address,
1596 static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
1601 #endif /* CONFIG_SECURITY_NETWORK */
1603 #ifdef CONFIG_SECURITY_INFINIBAND
1604 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1605 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1606 int security_ib_alloc_security(void **sec);
1607 void security_ib_free_security(void *sec);
1608 #else /* CONFIG_SECURITY_INFINIBAND */
1609 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1614 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1619 static inline int security_ib_alloc_security(void **sec)
1624 static inline void security_ib_free_security(void *sec)
1627 #endif /* CONFIG_SECURITY_INFINIBAND */
1629 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1631 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1632 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1633 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1634 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1635 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1636 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1637 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1638 struct xfrm_sec_ctx *polsec, u32 secid);
1639 int security_xfrm_state_delete(struct xfrm_state *x);
1640 void security_xfrm_state_free(struct xfrm_state *x);
1641 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
1642 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1643 struct xfrm_policy *xp,
1644 const struct flowi_common *flic);
1645 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1646 void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic);
1648 #else /* CONFIG_SECURITY_NETWORK_XFRM */
1650 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1651 struct xfrm_user_sec_ctx *sec_ctx,
1657 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1662 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1666 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1671 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1672 struct xfrm_user_sec_ctx *sec_ctx)
1677 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1678 struct xfrm_sec_ctx *polsec, u32 secid)
1683 static inline void security_xfrm_state_free(struct xfrm_state *x)
1687 static inline int security_xfrm_state_delete(struct xfrm_state *x)
1692 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1697 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1698 struct xfrm_policy *xp,
1699 const struct flowi_common *flic)
1704 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1709 static inline void security_skb_classify_flow(struct sk_buff *skb,
1710 struct flowi_common *flic)
1714 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1716 #ifdef CONFIG_SECURITY_PATH
1717 int security_path_unlink(const struct path *dir, struct dentry *dentry);
1718 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1719 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1720 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1722 int security_path_truncate(const struct path *path);
1723 int security_path_symlink(const struct path *dir, struct dentry *dentry,
1724 const char *old_name);
1725 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1726 struct dentry *new_dentry);
1727 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1728 const struct path *new_dir, struct dentry *new_dentry,
1729 unsigned int flags);
1730 int security_path_chmod(const struct path *path, umode_t mode);
1731 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1732 int security_path_chroot(const struct path *path);
1733 #else /* CONFIG_SECURITY_PATH */
1734 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1739 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1745 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1750 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1751 umode_t mode, unsigned int dev)
1756 static inline int security_path_truncate(const struct path *path)
1761 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1762 const char *old_name)
1767 static inline int security_path_link(struct dentry *old_dentry,
1768 const struct path *new_dir,
1769 struct dentry *new_dentry)
1774 static inline int security_path_rename(const struct path *old_dir,
1775 struct dentry *old_dentry,
1776 const struct path *new_dir,
1777 struct dentry *new_dentry,
1783 static inline int security_path_chmod(const struct path *path, umode_t mode)
1788 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1793 static inline int security_path_chroot(const struct path *path)
1797 #endif /* CONFIG_SECURITY_PATH */
1800 #ifdef CONFIG_SECURITY
1802 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1803 void security_key_free(struct key *key);
1804 int security_key_permission(key_ref_t key_ref, const struct cred *cred,
1805 enum key_need_perm need_perm);
1806 int security_key_getsecurity(struct key *key, char **_buffer);
1810 static inline int security_key_alloc(struct key *key,
1811 const struct cred *cred,
1812 unsigned long flags)
1817 static inline void security_key_free(struct key *key)
1821 static inline int security_key_permission(key_ref_t key_ref,
1822 const struct cred *cred,
1823 enum key_need_perm need_perm)
1828 static inline int security_key_getsecurity(struct key *key, char **_buffer)
1835 #endif /* CONFIG_KEYS */
1838 #ifdef CONFIG_SECURITY
1839 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1840 int security_audit_rule_known(struct audit_krule *krule);
1841 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1842 void security_audit_rule_free(void *lsmrule);
1846 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1852 static inline int security_audit_rule_known(struct audit_krule *krule)
1857 static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1863 static inline void security_audit_rule_free(void *lsmrule)
1866 #endif /* CONFIG_SECURITY */
1867 #endif /* CONFIG_AUDIT */
1869 #ifdef CONFIG_SECURITYFS
1871 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1872 struct dentry *parent, void *data,
1873 const struct file_operations *fops);
1874 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1875 struct dentry *securityfs_create_symlink(const char *name,
1876 struct dentry *parent,
1878 const struct inode_operations *iops);
1879 extern void securityfs_remove(struct dentry *dentry);
1881 #else /* CONFIG_SECURITYFS */
1883 static inline struct dentry *securityfs_create_dir(const char *name,
1884 struct dentry *parent)
1886 return ERR_PTR(-ENODEV);
1889 static inline struct dentry *securityfs_create_file(const char *name,
1891 struct dentry *parent,
1893 const struct file_operations *fops)
1895 return ERR_PTR(-ENODEV);
1898 static inline struct dentry *securityfs_create_symlink(const char *name,
1899 struct dentry *parent,
1901 const struct inode_operations *iops)
1903 return ERR_PTR(-ENODEV);
1906 static inline void securityfs_remove(struct dentry *dentry)
1911 #ifdef CONFIG_BPF_SYSCALL
1915 struct bpf_prog_aux;
1916 #ifdef CONFIG_SECURITY
1917 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1918 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1919 extern int security_bpf_prog(struct bpf_prog *prog);
1920 extern int security_bpf_map_alloc(struct bpf_map *map);
1921 extern void security_bpf_map_free(struct bpf_map *map);
1922 extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1923 extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1925 static inline int security_bpf(int cmd, union bpf_attr *attr,
1931 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1936 static inline int security_bpf_prog(struct bpf_prog *prog)
1941 static inline int security_bpf_map_alloc(struct bpf_map *map)
1946 static inline void security_bpf_map_free(struct bpf_map *map)
1949 static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1954 static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
1956 #endif /* CONFIG_SECURITY */
1957 #endif /* CONFIG_BPF_SYSCALL */
1959 #ifdef CONFIG_PERF_EVENTS
1960 struct perf_event_attr;
1963 #ifdef CONFIG_SECURITY
1964 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
1965 extern int security_perf_event_alloc(struct perf_event *event);
1966 extern void security_perf_event_free(struct perf_event *event);
1967 extern int security_perf_event_read(struct perf_event *event);
1968 extern int security_perf_event_write(struct perf_event *event);
1970 static inline int security_perf_event_open(struct perf_event_attr *attr,
1976 static inline int security_perf_event_alloc(struct perf_event *event)
1981 static inline void security_perf_event_free(struct perf_event *event)
1985 static inline int security_perf_event_read(struct perf_event *event)
1990 static inline int security_perf_event_write(struct perf_event *event)
1994 #endif /* CONFIG_SECURITY */
1995 #endif /* CONFIG_PERF_EVENTS */
1997 #endif /* ! __LINUX_SECURITY_H */