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_XFRM_SECRET,
131 LOCKDOWN_CONFIDENTIALITY_MAX,
134 extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
136 /* These functions are in security/commoncap.c */
137 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
138 int cap, unsigned int opts);
139 extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
140 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
141 extern int cap_ptrace_traceme(struct task_struct *parent);
142 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
143 extern int cap_capset(struct cred *new, const struct cred *old,
144 const kernel_cap_t *effective,
145 const kernel_cap_t *inheritable,
146 const kernel_cap_t *permitted);
147 extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
148 extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
149 const void *value, size_t size, int flags);
150 extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
151 extern int cap_inode_need_killpriv(struct dentry *dentry);
152 extern int cap_inode_killpriv(struct dentry *dentry);
153 extern int cap_inode_getsecurity(struct inode *inode, const char *name,
154 void **buffer, bool alloc);
155 extern int cap_mmap_addr(unsigned long addr);
156 extern int cap_mmap_file(struct file *file, unsigned long reqprot,
157 unsigned long prot, unsigned long flags);
158 extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
159 extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
160 unsigned long arg4, unsigned long arg5);
161 extern int cap_task_setscheduler(struct task_struct *p);
162 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
163 extern int cap_task_setnice(struct task_struct *p, int nice);
164 extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
173 struct xfrm_selector;
176 struct xfrm_user_sec_ctx;
178 struct sctp_endpoint;
181 extern unsigned long mmap_min_addr;
182 extern unsigned long dac_mmap_min_addr;
184 #define mmap_min_addr 0UL
185 #define dac_mmap_min_addr 0UL
189 * Values used in the task_security_ops calls
191 /* setuid or setgid, id0 == uid or gid */
192 #define LSM_SETID_ID 1
194 /* setreuid or setregid, id0 == real, id1 == eff */
195 #define LSM_SETID_RE 2
197 /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
198 #define LSM_SETID_RES 4
200 /* setfsuid or setfsgid, id0 == fsuid or fsgid */
201 #define LSM_SETID_FS 8
203 /* Flags for security_task_prlimit(). */
204 #define LSM_PRLIMIT_READ 1
205 #define LSM_PRLIMIT_WRITE 2
207 /* forward declares to avoid warnings */
211 /* bprm->unsafe reasons */
212 #define LSM_UNSAFE_SHARE 1
213 #define LSM_UNSAFE_PTRACE 2
214 #define LSM_UNSAFE_NO_NEW_PRIVS 4
217 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
218 void *buffer, size_t *lenp, loff_t *ppos);
221 /* security_inode_init_security callback function to write xattrs */
222 typedef int (*initxattrs) (struct inode *inode,
223 const struct xattr *xattr_array, void *fs_data);
226 /* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
227 #define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
228 #define __data_id_stringify(dummy, str) #str,
230 enum kernel_load_data_id {
231 __kernel_read_file_id(__data_id_enumify)
234 static const char * const kernel_load_data_str[] = {
235 __kernel_read_file_id(__data_id_stringify)
238 static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
240 if ((unsigned)id >= LOADING_MAX_ID)
241 return kernel_load_data_str[LOADING_UNKNOWN];
243 return kernel_load_data_str[id];
246 #ifdef CONFIG_SECURITY
248 int call_blocking_lsm_notifier(enum lsm_event event, void *data);
249 int register_blocking_lsm_notifier(struct notifier_block *nb);
250 int unregister_blocking_lsm_notifier(struct notifier_block *nb);
253 extern int security_init(void);
254 extern int early_security_init(void);
256 /* Security operations */
257 int security_binder_set_context_mgr(struct task_struct *mgr);
258 int security_binder_transaction(struct task_struct *from,
259 struct task_struct *to);
260 int security_binder_transfer_binder(struct task_struct *from,
261 struct task_struct *to);
262 int security_binder_transfer_file(struct task_struct *from,
263 struct task_struct *to, struct file *file);
264 int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
265 int security_ptrace_traceme(struct task_struct *parent);
266 int security_capget(struct task_struct *target,
267 kernel_cap_t *effective,
268 kernel_cap_t *inheritable,
269 kernel_cap_t *permitted);
270 int security_capset(struct cred *new, const struct cred *old,
271 const kernel_cap_t *effective,
272 const kernel_cap_t *inheritable,
273 const kernel_cap_t *permitted);
274 int security_capable(const struct cred *cred,
275 struct user_namespace *ns,
278 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
279 int security_quota_on(struct dentry *dentry);
280 int security_syslog(int type);
281 int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
282 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
283 int security_bprm_creds_for_exec(struct linux_binprm *bprm);
284 int security_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
285 int security_bprm_check(struct linux_binprm *bprm);
286 void security_bprm_committing_creds(struct linux_binprm *bprm);
287 void security_bprm_committed_creds(struct linux_binprm *bprm);
288 int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
289 int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
290 int security_sb_alloc(struct super_block *sb);
291 void security_sb_free(struct super_block *sb);
292 void security_free_mnt_opts(void **mnt_opts);
293 int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
294 int security_sb_remount(struct super_block *sb, void *mnt_opts);
295 int security_sb_kern_mount(struct super_block *sb);
296 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
297 int security_sb_statfs(struct dentry *dentry);
298 int security_sb_mount(const char *dev_name, const struct path *path,
299 const char *type, unsigned long flags, void *data);
300 int security_sb_umount(struct vfsmount *mnt, int flags);
301 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
302 int security_sb_set_mnt_opts(struct super_block *sb,
304 unsigned long kern_flags,
305 unsigned long *set_kern_flags);
306 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
307 struct super_block *newsb,
308 unsigned long kern_flags,
309 unsigned long *set_kern_flags);
310 int security_add_mnt_opt(const char *option, const char *val,
311 int len, void **mnt_opts);
312 int security_move_mount(const struct path *from_path, const struct path *to_path);
313 int security_dentry_init_security(struct dentry *dentry, int mode,
314 const struct qstr *name, void **ctx,
316 int security_dentry_create_files_as(struct dentry *dentry, int mode,
318 const struct cred *old,
320 int security_path_notify(const struct path *path, u64 mask,
321 unsigned int obj_type);
322 int security_inode_alloc(struct inode *inode);
323 void security_inode_free(struct inode *inode);
324 int security_inode_init_security(struct inode *inode, struct inode *dir,
325 const struct qstr *qstr,
326 initxattrs initxattrs, void *fs_data);
327 int security_inode_init_security_anon(struct inode *inode,
328 const struct qstr *name,
329 const struct inode *context_inode);
330 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
331 const struct qstr *qstr, const char **name,
332 void **value, size_t *len);
333 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
334 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
335 struct dentry *new_dentry);
336 int security_inode_unlink(struct inode *dir, struct dentry *dentry);
337 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
338 const char *old_name);
339 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
340 int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
341 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
342 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
343 struct inode *new_dir, struct dentry *new_dentry,
345 int security_inode_readlink(struct dentry *dentry);
346 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
348 int security_inode_permission(struct inode *inode, int mask);
349 int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
350 int security_inode_getattr(const struct path *path);
351 int security_inode_setxattr(struct dentry *dentry, const char *name,
352 const void *value, size_t size, int flags);
353 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
354 const void *value, size_t size, int flags);
355 int security_inode_getxattr(struct dentry *dentry, const char *name);
356 int security_inode_listxattr(struct dentry *dentry);
357 int security_inode_removexattr(struct dentry *dentry, const char *name);
358 int security_inode_need_killpriv(struct dentry *dentry);
359 int security_inode_killpriv(struct dentry *dentry);
360 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
361 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
362 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
363 void security_inode_getsecid(struct inode *inode, u32 *secid);
364 int security_inode_copy_up(struct dentry *src, struct cred **new);
365 int security_inode_copy_up_xattr(const char *name);
366 int security_kernfs_init_security(struct kernfs_node *kn_dir,
367 struct kernfs_node *kn);
368 int security_file_permission(struct file *file, int mask);
369 int security_file_alloc(struct file *file);
370 void security_file_free(struct file *file);
371 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
372 int security_mmap_file(struct file *file, unsigned long prot,
373 unsigned long flags);
374 int security_mmap_addr(unsigned long addr);
375 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
377 int security_file_lock(struct file *file, unsigned int cmd);
378 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
379 void security_file_set_fowner(struct file *file);
380 int security_file_send_sigiotask(struct task_struct *tsk,
381 struct fown_struct *fown, int sig);
382 int security_file_receive(struct file *file);
383 int security_file_open(struct file *file);
384 int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
385 void security_task_free(struct task_struct *task);
386 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
387 void security_cred_free(struct cred *cred);
388 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
389 void security_transfer_creds(struct cred *new, const struct cred *old);
390 void security_cred_getsecid(const struct cred *c, u32 *secid);
391 int security_kernel_act_as(struct cred *new, u32 secid);
392 int security_kernel_create_files_as(struct cred *new, struct inode *inode);
393 int security_kernel_module_request(char *kmod_name);
394 int security_kernel_load_data(enum kernel_load_data_id id, bool contents);
395 int security_kernel_post_load_data(char *buf, loff_t size,
396 enum kernel_load_data_id id,
398 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id,
400 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
401 enum kernel_read_file_id id);
402 int security_task_fix_setuid(struct cred *new, const struct cred *old,
404 int security_task_fix_setgid(struct cred *new, const struct cred *old,
406 int security_task_setpgid(struct task_struct *p, pid_t pgid);
407 int security_task_getpgid(struct task_struct *p);
408 int security_task_getsid(struct task_struct *p);
409 void security_task_getsecid(struct task_struct *p, u32 *secid);
410 int security_task_setnice(struct task_struct *p, int nice);
411 int security_task_setioprio(struct task_struct *p, int ioprio);
412 int security_task_getioprio(struct task_struct *p);
413 int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
415 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
416 struct rlimit *new_rlim);
417 int security_task_setscheduler(struct task_struct *p);
418 int security_task_getscheduler(struct task_struct *p);
419 int security_task_movememory(struct task_struct *p);
420 int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
421 int sig, const struct cred *cred);
422 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
423 unsigned long arg4, unsigned long arg5);
424 void security_task_to_inode(struct task_struct *p, struct inode *inode);
425 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
426 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
427 int security_msg_msg_alloc(struct msg_msg *msg);
428 void security_msg_msg_free(struct msg_msg *msg);
429 int security_msg_queue_alloc(struct kern_ipc_perm *msq);
430 void security_msg_queue_free(struct kern_ipc_perm *msq);
431 int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
432 int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
433 int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
434 struct msg_msg *msg, int msqflg);
435 int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
436 struct task_struct *target, long type, int mode);
437 int security_shm_alloc(struct kern_ipc_perm *shp);
438 void security_shm_free(struct kern_ipc_perm *shp);
439 int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
440 int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
441 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
442 int security_sem_alloc(struct kern_ipc_perm *sma);
443 void security_sem_free(struct kern_ipc_perm *sma);
444 int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
445 int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
446 int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
447 unsigned nsops, int alter);
448 void security_d_instantiate(struct dentry *dentry, struct inode *inode);
449 int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
451 int security_setprocattr(const char *lsm, const char *name, void *value,
453 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
454 int security_ismaclabel(const char *name);
455 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
456 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
457 void security_release_secctx(char *secdata, u32 seclen);
458 void security_inode_invalidate_secctx(struct inode *inode);
459 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
460 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
461 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
462 int security_locked_down(enum lockdown_reason what);
463 #else /* CONFIG_SECURITY */
465 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
470 static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
475 static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
480 static inline void security_free_mnt_opts(void **mnt_opts)
485 * This is the default capabilities functionality. Most of these functions
486 * are just stubbed out, but a few must call the proper capable code.
489 static inline int security_init(void)
494 static inline int early_security_init(void)
499 static inline int security_binder_set_context_mgr(struct task_struct *mgr)
504 static inline int security_binder_transaction(struct task_struct *from,
505 struct task_struct *to)
510 static inline int security_binder_transfer_binder(struct task_struct *from,
511 struct task_struct *to)
516 static inline int security_binder_transfer_file(struct task_struct *from,
517 struct task_struct *to,
523 static inline int security_ptrace_access_check(struct task_struct *child,
526 return cap_ptrace_access_check(child, mode);
529 static inline int security_ptrace_traceme(struct task_struct *parent)
531 return cap_ptrace_traceme(parent);
534 static inline int security_capget(struct task_struct *target,
535 kernel_cap_t *effective,
536 kernel_cap_t *inheritable,
537 kernel_cap_t *permitted)
539 return cap_capget(target, effective, inheritable, permitted);
542 static inline int security_capset(struct cred *new,
543 const struct cred *old,
544 const kernel_cap_t *effective,
545 const kernel_cap_t *inheritable,
546 const kernel_cap_t *permitted)
548 return cap_capset(new, old, effective, inheritable, permitted);
551 static inline int security_capable(const struct cred *cred,
552 struct user_namespace *ns,
556 return cap_capable(cred, ns, cap, opts);
559 static inline int security_quotactl(int cmds, int type, int id,
560 struct super_block *sb)
565 static inline int security_quota_on(struct dentry *dentry)
570 static inline int security_syslog(int type)
575 static inline int security_settime64(const struct timespec64 *ts,
576 const struct timezone *tz)
578 return cap_settime(ts, tz);
581 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
583 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
586 static inline int security_bprm_creds_for_exec(struct linux_binprm *bprm)
591 static inline int security_bprm_creds_from_file(struct linux_binprm *bprm,
594 return cap_bprm_creds_from_file(bprm, file);
597 static inline int security_bprm_check(struct linux_binprm *bprm)
602 static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
606 static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
610 static inline int security_fs_context_dup(struct fs_context *fc,
611 struct fs_context *src_fc)
615 static inline int security_fs_context_parse_param(struct fs_context *fc,
616 struct fs_parameter *param)
621 static inline int security_sb_alloc(struct super_block *sb)
626 static inline void security_sb_free(struct super_block *sb)
629 static inline int security_sb_eat_lsm_opts(char *options,
635 static inline int security_sb_remount(struct super_block *sb,
641 static inline int security_sb_kern_mount(struct super_block *sb)
646 static inline int security_sb_show_options(struct seq_file *m,
647 struct super_block *sb)
652 static inline int security_sb_statfs(struct dentry *dentry)
657 static inline int security_sb_mount(const char *dev_name, const struct path *path,
658 const char *type, unsigned long flags,
664 static inline int security_sb_umount(struct vfsmount *mnt, int flags)
669 static inline int security_sb_pivotroot(const struct path *old_path,
670 const struct path *new_path)
675 static inline int security_sb_set_mnt_opts(struct super_block *sb,
677 unsigned long kern_flags,
678 unsigned long *set_kern_flags)
683 static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
684 struct super_block *newsb,
685 unsigned long kern_flags,
686 unsigned long *set_kern_flags)
691 static inline int security_add_mnt_opt(const char *option, const char *val,
692 int len, void **mnt_opts)
697 static inline int security_move_mount(const struct path *from_path,
698 const struct path *to_path)
703 static inline int security_path_notify(const struct path *path, u64 mask,
704 unsigned int obj_type)
709 static inline int security_inode_alloc(struct inode *inode)
714 static inline void security_inode_free(struct inode *inode)
717 static inline int security_dentry_init_security(struct dentry *dentry,
719 const struct qstr *name,
726 static inline int security_dentry_create_files_as(struct dentry *dentry,
727 int mode, struct qstr *name,
728 const struct cred *old,
735 static inline int security_inode_init_security(struct inode *inode,
737 const struct qstr *qstr,
738 const initxattrs xattrs,
744 static inline int security_inode_init_security_anon(struct inode *inode,
745 const struct qstr *name,
746 const struct inode *context_inode)
751 static inline int security_old_inode_init_security(struct inode *inode,
753 const struct qstr *qstr,
755 void **value, size_t *len)
760 static inline int security_inode_create(struct inode *dir,
761 struct dentry *dentry,
767 static inline int security_inode_link(struct dentry *old_dentry,
769 struct dentry *new_dentry)
774 static inline int security_inode_unlink(struct inode *dir,
775 struct dentry *dentry)
780 static inline int security_inode_symlink(struct inode *dir,
781 struct dentry *dentry,
782 const char *old_name)
787 static inline int security_inode_mkdir(struct inode *dir,
788 struct dentry *dentry,
794 static inline int security_inode_rmdir(struct inode *dir,
795 struct dentry *dentry)
800 static inline int security_inode_mknod(struct inode *dir,
801 struct dentry *dentry,
807 static inline int security_inode_rename(struct inode *old_dir,
808 struct dentry *old_dentry,
809 struct inode *new_dir,
810 struct dentry *new_dentry,
816 static inline int security_inode_readlink(struct dentry *dentry)
821 static inline int security_inode_follow_link(struct dentry *dentry,
828 static inline int security_inode_permission(struct inode *inode, int mask)
833 static inline int security_inode_setattr(struct dentry *dentry,
839 static inline int security_inode_getattr(const struct path *path)
844 static inline int security_inode_setxattr(struct dentry *dentry,
845 const char *name, const void *value, size_t size, int flags)
847 return cap_inode_setxattr(dentry, name, value, size, flags);
850 static inline void security_inode_post_setxattr(struct dentry *dentry,
851 const char *name, const void *value, size_t size, int flags)
854 static inline int security_inode_getxattr(struct dentry *dentry,
860 static inline int security_inode_listxattr(struct dentry *dentry)
865 static inline int security_inode_removexattr(struct dentry *dentry,
868 return cap_inode_removexattr(dentry, name);
871 static inline int security_inode_need_killpriv(struct dentry *dentry)
873 return cap_inode_need_killpriv(dentry);
876 static inline int security_inode_killpriv(struct dentry *dentry)
878 return cap_inode_killpriv(dentry);
881 static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
883 return cap_inode_getsecurity(inode, name, buffer, alloc);
886 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
891 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
896 static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
901 static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
906 static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
907 struct kernfs_node *kn)
912 static inline int security_inode_copy_up_xattr(const char *name)
917 static inline int security_file_permission(struct file *file, int mask)
922 static inline int security_file_alloc(struct file *file)
927 static inline void security_file_free(struct file *file)
930 static inline int security_file_ioctl(struct file *file, unsigned int cmd,
936 static inline int security_mmap_file(struct file *file, unsigned long prot,
942 static inline int security_mmap_addr(unsigned long addr)
944 return cap_mmap_addr(addr);
947 static inline int security_file_mprotect(struct vm_area_struct *vma,
948 unsigned long reqprot,
954 static inline int security_file_lock(struct file *file, unsigned int cmd)
959 static inline int security_file_fcntl(struct file *file, unsigned int cmd,
965 static inline void security_file_set_fowner(struct file *file)
970 static inline int security_file_send_sigiotask(struct task_struct *tsk,
971 struct fown_struct *fown,
977 static inline int security_file_receive(struct file *file)
982 static inline int security_file_open(struct file *file)
987 static inline int security_task_alloc(struct task_struct *task,
988 unsigned long clone_flags)
993 static inline void security_task_free(struct task_struct *task)
996 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
1001 static inline void security_cred_free(struct cred *cred)
1004 static inline int security_prepare_creds(struct cred *new,
1005 const struct cred *old,
1011 static inline void security_transfer_creds(struct cred *new,
1012 const struct cred *old)
1016 static inline int security_kernel_act_as(struct cred *cred, u32 secid)
1021 static inline int security_kernel_create_files_as(struct cred *cred,
1022 struct inode *inode)
1027 static inline int security_kernel_module_request(char *kmod_name)
1032 static inline int security_kernel_load_data(enum kernel_load_data_id id, bool contents)
1037 static inline int security_kernel_post_load_data(char *buf, loff_t size,
1038 enum kernel_load_data_id id,
1044 static inline int security_kernel_read_file(struct file *file,
1045 enum kernel_read_file_id id,
1051 static inline int security_kernel_post_read_file(struct file *file,
1052 char *buf, loff_t size,
1053 enum kernel_read_file_id id)
1058 static inline int security_task_fix_setuid(struct cred *new,
1059 const struct cred *old,
1062 return cap_task_fix_setuid(new, old, flags);
1065 static inline int security_task_fix_setgid(struct cred *new,
1066 const struct cred *old,
1072 static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1077 static inline int security_task_getpgid(struct task_struct *p)
1082 static inline int security_task_getsid(struct task_struct *p)
1087 static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
1092 static inline int security_task_setnice(struct task_struct *p, int nice)
1094 return cap_task_setnice(p, nice);
1097 static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1099 return cap_task_setioprio(p, ioprio);
1102 static inline int security_task_getioprio(struct task_struct *p)
1107 static inline int security_task_prlimit(const struct cred *cred,
1108 const struct cred *tcred,
1114 static inline int security_task_setrlimit(struct task_struct *p,
1115 unsigned int resource,
1116 struct rlimit *new_rlim)
1121 static inline int security_task_setscheduler(struct task_struct *p)
1123 return cap_task_setscheduler(p);
1126 static inline int security_task_getscheduler(struct task_struct *p)
1131 static inline int security_task_movememory(struct task_struct *p)
1136 static inline int security_task_kill(struct task_struct *p,
1137 struct kernel_siginfo *info, int sig,
1138 const struct cred *cred)
1143 static inline int security_task_prctl(int option, unsigned long arg2,
1148 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1151 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1154 static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1160 static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1165 static inline int security_msg_msg_alloc(struct msg_msg *msg)
1170 static inline void security_msg_msg_free(struct msg_msg *msg)
1173 static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1178 static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1181 static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1187 static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1192 static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1193 struct msg_msg *msg, int msqflg)
1198 static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1199 struct msg_msg *msg,
1200 struct task_struct *target,
1201 long type, int mode)
1206 static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1211 static inline void security_shm_free(struct kern_ipc_perm *shp)
1214 static inline int security_shm_associate(struct kern_ipc_perm *shp,
1220 static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1225 static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1226 char __user *shmaddr, int shmflg)
1231 static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1236 static inline void security_sem_free(struct kern_ipc_perm *sma)
1239 static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1244 static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1249 static inline int security_sem_semop(struct kern_ipc_perm *sma,
1250 struct sembuf *sops, unsigned nsops,
1256 static inline void security_d_instantiate(struct dentry *dentry,
1257 struct inode *inode)
1260 static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1261 char *name, char **value)
1266 static inline int security_setprocattr(const char *lsm, char *name,
1267 void *value, size_t size)
1272 static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1277 static inline int security_ismaclabel(const char *name)
1282 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1287 static inline int security_secctx_to_secid(const char *secdata,
1294 static inline void security_release_secctx(char *secdata, u32 seclen)
1298 static inline void security_inode_invalidate_secctx(struct inode *inode)
1302 static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1306 static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1310 static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1314 static inline int security_locked_down(enum lockdown_reason what)
1318 #endif /* CONFIG_SECURITY */
1320 #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
1321 int security_post_notification(const struct cred *w_cred,
1322 const struct cred *cred,
1323 struct watch_notification *n);
1325 static inline int security_post_notification(const struct cred *w_cred,
1326 const struct cred *cred,
1327 struct watch_notification *n)
1333 #if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
1334 int security_watch_key(struct key *key);
1336 static inline int security_watch_key(struct key *key)
1342 #ifdef CONFIG_SECURITY_NETWORK
1344 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1345 int security_unix_may_send(struct socket *sock, struct socket *other);
1346 int security_socket_create(int family, int type, int protocol, int kern);
1347 int security_socket_post_create(struct socket *sock, int family,
1348 int type, int protocol, int kern);
1349 int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1350 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1351 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1352 int security_socket_listen(struct socket *sock, int backlog);
1353 int security_socket_accept(struct socket *sock, struct socket *newsock);
1354 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1355 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1356 int size, int flags);
1357 int security_socket_getsockname(struct socket *sock);
1358 int security_socket_getpeername(struct socket *sock);
1359 int security_socket_getsockopt(struct socket *sock, int level, int optname);
1360 int security_socket_setsockopt(struct socket *sock, int level, int optname);
1361 int security_socket_shutdown(struct socket *sock, int how);
1362 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1363 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1364 int __user *optlen, unsigned len);
1365 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1366 int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1367 void security_sk_free(struct sock *sk);
1368 void security_sk_clone(const struct sock *sk, struct sock *newsk);
1369 void security_sk_classify_flow(struct sock *sk, struct flowi_common *flic);
1370 void security_req_classify_flow(const struct request_sock *req,
1371 struct flowi_common *flic);
1372 void security_sock_graft(struct sock*sk, struct socket *parent);
1373 int security_inet_conn_request(const struct sock *sk,
1374 struct sk_buff *skb, struct request_sock *req);
1375 void security_inet_csk_clone(struct sock *newsk,
1376 const struct request_sock *req);
1377 void security_inet_conn_established(struct sock *sk,
1378 struct sk_buff *skb);
1379 int security_secmark_relabel_packet(u32 secid);
1380 void security_secmark_refcount_inc(void);
1381 void security_secmark_refcount_dec(void);
1382 int security_tun_dev_alloc_security(void **security);
1383 void security_tun_dev_free_security(void *security);
1384 int security_tun_dev_create(void);
1385 int security_tun_dev_attach_queue(void *security);
1386 int security_tun_dev_attach(struct sock *sk, void *security);
1387 int security_tun_dev_open(void *security);
1388 int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb);
1389 int security_sctp_bind_connect(struct sock *sk, int optname,
1390 struct sockaddr *address, int addrlen);
1391 void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
1392 struct sock *newsk);
1394 #else /* CONFIG_SECURITY_NETWORK */
1395 static inline int security_unix_stream_connect(struct sock *sock,
1402 static inline int security_unix_may_send(struct socket *sock,
1403 struct socket *other)
1408 static inline int security_socket_create(int family, int type,
1409 int protocol, int kern)
1414 static inline int security_socket_post_create(struct socket *sock,
1417 int protocol, int kern)
1422 static inline int security_socket_socketpair(struct socket *socka,
1423 struct socket *sockb)
1428 static inline int security_socket_bind(struct socket *sock,
1429 struct sockaddr *address,
1435 static inline int security_socket_connect(struct socket *sock,
1436 struct sockaddr *address,
1442 static inline int security_socket_listen(struct socket *sock, int backlog)
1447 static inline int security_socket_accept(struct socket *sock,
1448 struct socket *newsock)
1453 static inline int security_socket_sendmsg(struct socket *sock,
1454 struct msghdr *msg, int size)
1459 static inline int security_socket_recvmsg(struct socket *sock,
1460 struct msghdr *msg, int size,
1466 static inline int security_socket_getsockname(struct socket *sock)
1471 static inline int security_socket_getpeername(struct socket *sock)
1476 static inline int security_socket_getsockopt(struct socket *sock,
1477 int level, int optname)
1482 static inline int security_socket_setsockopt(struct socket *sock,
1483 int level, int optname)
1488 static inline int security_socket_shutdown(struct socket *sock, int how)
1492 static inline int security_sock_rcv_skb(struct sock *sk,
1493 struct sk_buff *skb)
1498 static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1499 int __user *optlen, unsigned len)
1501 return -ENOPROTOOPT;
1504 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1506 return -ENOPROTOOPT;
1509 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1514 static inline void security_sk_free(struct sock *sk)
1518 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1522 static inline void security_sk_classify_flow(struct sock *sk,
1523 struct flowi_common *flic)
1527 static inline void security_req_classify_flow(const struct request_sock *req,
1528 struct flowi_common *flic)
1532 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1536 static inline int security_inet_conn_request(const struct sock *sk,
1537 struct sk_buff *skb, struct request_sock *req)
1542 static inline void security_inet_csk_clone(struct sock *newsk,
1543 const struct request_sock *req)
1547 static inline void security_inet_conn_established(struct sock *sk,
1548 struct sk_buff *skb)
1552 static inline int security_secmark_relabel_packet(u32 secid)
1557 static inline void security_secmark_refcount_inc(void)
1561 static inline void security_secmark_refcount_dec(void)
1565 static inline int security_tun_dev_alloc_security(void **security)
1570 static inline void security_tun_dev_free_security(void *security)
1574 static inline int security_tun_dev_create(void)
1579 static inline int security_tun_dev_attach_queue(void *security)
1584 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1589 static inline int security_tun_dev_open(void *security)
1594 static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
1595 struct sk_buff *skb)
1600 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1601 struct sockaddr *address,
1607 static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
1612 #endif /* CONFIG_SECURITY_NETWORK */
1614 #ifdef CONFIG_SECURITY_INFINIBAND
1615 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1616 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1617 int security_ib_alloc_security(void **sec);
1618 void security_ib_free_security(void *sec);
1619 #else /* CONFIG_SECURITY_INFINIBAND */
1620 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1625 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1630 static inline int security_ib_alloc_security(void **sec)
1635 static inline void security_ib_free_security(void *sec)
1638 #endif /* CONFIG_SECURITY_INFINIBAND */
1640 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1642 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1643 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1644 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1645 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1646 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1647 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1648 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1649 struct xfrm_sec_ctx *polsec, u32 secid);
1650 int security_xfrm_state_delete(struct xfrm_state *x);
1651 void security_xfrm_state_free(struct xfrm_state *x);
1652 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
1653 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1654 struct xfrm_policy *xp,
1655 const struct flowi_common *flic);
1656 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1657 void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic);
1659 #else /* CONFIG_SECURITY_NETWORK_XFRM */
1661 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1662 struct xfrm_user_sec_ctx *sec_ctx,
1668 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1673 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1677 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1682 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1683 struct xfrm_user_sec_ctx *sec_ctx)
1688 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1689 struct xfrm_sec_ctx *polsec, u32 secid)
1694 static inline void security_xfrm_state_free(struct xfrm_state *x)
1698 static inline int security_xfrm_state_delete(struct xfrm_state *x)
1703 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1708 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1709 struct xfrm_policy *xp,
1710 const struct flowi_common *flic)
1715 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1720 static inline void security_skb_classify_flow(struct sk_buff *skb,
1721 struct flowi_common *flic)
1725 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1727 #ifdef CONFIG_SECURITY_PATH
1728 int security_path_unlink(const struct path *dir, struct dentry *dentry);
1729 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1730 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1731 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1733 int security_path_truncate(const struct path *path);
1734 int security_path_symlink(const struct path *dir, struct dentry *dentry,
1735 const char *old_name);
1736 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1737 struct dentry *new_dentry);
1738 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1739 const struct path *new_dir, struct dentry *new_dentry,
1740 unsigned int flags);
1741 int security_path_chmod(const struct path *path, umode_t mode);
1742 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1743 int security_path_chroot(const struct path *path);
1744 #else /* CONFIG_SECURITY_PATH */
1745 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1750 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1756 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1761 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1762 umode_t mode, unsigned int dev)
1767 static inline int security_path_truncate(const struct path *path)
1772 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1773 const char *old_name)
1778 static inline int security_path_link(struct dentry *old_dentry,
1779 const struct path *new_dir,
1780 struct dentry *new_dentry)
1785 static inline int security_path_rename(const struct path *old_dir,
1786 struct dentry *old_dentry,
1787 const struct path *new_dir,
1788 struct dentry *new_dentry,
1794 static inline int security_path_chmod(const struct path *path, umode_t mode)
1799 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1804 static inline int security_path_chroot(const struct path *path)
1808 #endif /* CONFIG_SECURITY_PATH */
1811 #ifdef CONFIG_SECURITY
1813 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1814 void security_key_free(struct key *key);
1815 int security_key_permission(key_ref_t key_ref, const struct cred *cred,
1816 enum key_need_perm need_perm);
1817 int security_key_getsecurity(struct key *key, char **_buffer);
1821 static inline int security_key_alloc(struct key *key,
1822 const struct cred *cred,
1823 unsigned long flags)
1828 static inline void security_key_free(struct key *key)
1832 static inline int security_key_permission(key_ref_t key_ref,
1833 const struct cred *cred,
1834 enum key_need_perm need_perm)
1839 static inline int security_key_getsecurity(struct key *key, char **_buffer)
1846 #endif /* CONFIG_KEYS */
1849 #ifdef CONFIG_SECURITY
1850 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1851 int security_audit_rule_known(struct audit_krule *krule);
1852 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1853 void security_audit_rule_free(void *lsmrule);
1857 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1863 static inline int security_audit_rule_known(struct audit_krule *krule)
1868 static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1874 static inline void security_audit_rule_free(void *lsmrule)
1877 #endif /* CONFIG_SECURITY */
1878 #endif /* CONFIG_AUDIT */
1880 #ifdef CONFIG_SECURITYFS
1882 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1883 struct dentry *parent, void *data,
1884 const struct file_operations *fops);
1885 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1886 struct dentry *securityfs_create_symlink(const char *name,
1887 struct dentry *parent,
1889 const struct inode_operations *iops);
1890 extern void securityfs_remove(struct dentry *dentry);
1892 #else /* CONFIG_SECURITYFS */
1894 static inline struct dentry *securityfs_create_dir(const char *name,
1895 struct dentry *parent)
1897 return ERR_PTR(-ENODEV);
1900 static inline struct dentry *securityfs_create_file(const char *name,
1902 struct dentry *parent,
1904 const struct file_operations *fops)
1906 return ERR_PTR(-ENODEV);
1909 static inline struct dentry *securityfs_create_symlink(const char *name,
1910 struct dentry *parent,
1912 const struct inode_operations *iops)
1914 return ERR_PTR(-ENODEV);
1917 static inline void securityfs_remove(struct dentry *dentry)
1922 #ifdef CONFIG_BPF_SYSCALL
1926 struct bpf_prog_aux;
1927 #ifdef CONFIG_SECURITY
1928 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1929 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1930 extern int security_bpf_prog(struct bpf_prog *prog);
1931 extern int security_bpf_map_alloc(struct bpf_map *map);
1932 extern void security_bpf_map_free(struct bpf_map *map);
1933 extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1934 extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1936 static inline int security_bpf(int cmd, union bpf_attr *attr,
1942 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1947 static inline int security_bpf_prog(struct bpf_prog *prog)
1952 static inline int security_bpf_map_alloc(struct bpf_map *map)
1957 static inline void security_bpf_map_free(struct bpf_map *map)
1960 static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1965 static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
1967 #endif /* CONFIG_SECURITY */
1968 #endif /* CONFIG_BPF_SYSCALL */
1970 #ifdef CONFIG_PERF_EVENTS
1971 struct perf_event_attr;
1974 #ifdef CONFIG_SECURITY
1975 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
1976 extern int security_perf_event_alloc(struct perf_event *event);
1977 extern void security_perf_event_free(struct perf_event *event);
1978 extern int security_perf_event_read(struct perf_event *event);
1979 extern int security_perf_event_write(struct perf_event *event);
1981 static inline int security_perf_event_open(struct perf_event_attr *attr,
1987 static inline int security_perf_event_alloc(struct perf_event *event)
1992 static inline void security_perf_event_free(struct perf_event *event)
1996 static inline int security_perf_event_read(struct perf_event *event)
2001 static inline int security_perf_event_write(struct perf_event *event)
2005 #endif /* CONFIG_SECURITY */
2006 #endif /* CONFIG_PERF_EVENTS */
2008 #endif /* ! __LINUX_SECURITY_H */