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>
34 #include <linux/sockptr.h>
39 struct kernel_siginfo;
52 struct file_operations;
62 struct watch_notification;
64 /* Default (no) options for the capable function */
65 #define CAP_OPT_NONE 0x0
66 /* If capable should audit the security request */
67 #define CAP_OPT_NOAUDIT BIT(1)
68 /* If capable is being called by a setid function */
69 #define CAP_OPT_INSETID BIT(2)
71 /* LSM Agnostic defines for fs_context::lsm_flags */
72 #define SECURITY_LSM_NATIVE_LABELS 1
76 struct user_namespace;
84 * These are reasons that can be passed to the security_locked_down()
85 * LSM hook. Lockdown reasons that protect kernel integrity (ie, the
86 * ability for userland to modify kernel code) are placed before
87 * LOCKDOWN_INTEGRITY_MAX. Lockdown reasons that protect kernel
88 * confidentiality (ie, the ability for userland to extract
89 * information from the running kernel that would otherwise be
90 * restricted) are placed before LOCKDOWN_CONFIDENTIALITY_MAX.
92 * LSM authors should note that the semantics of any given lockdown
93 * reason are not guaranteed to be stable - the same reason may block
94 * one set of features in one kernel release, and a slightly different
95 * set of features in a later kernel release. LSMs that seek to expose
96 * lockdown policy at any level of granularity other than "none",
97 * "integrity" or "confidentiality" are responsible for either
98 * ensuring that they expose a consistent level of functionality to
99 * userland, or ensuring that userland is aware that this is
100 * potentially a moving target. It is easy to misuse this information
101 * in a way that could break userspace. Please be careful not to do
104 * If you add to this, remember to extend lockdown_reasons in
105 * security/lockdown/lockdown.c.
107 enum lockdown_reason {
109 LOCKDOWN_MODULE_SIGNATURE,
113 LOCKDOWN_HIBERNATION,
117 LOCKDOWN_ACPI_TABLES,
119 LOCKDOWN_TIOCSSERIAL,
120 LOCKDOWN_MODULE_PARAMETERS,
124 LOCKDOWN_BPF_WRITE_USER,
125 LOCKDOWN_DBG_WRITE_KERNEL,
126 LOCKDOWN_INTEGRITY_MAX,
130 LOCKDOWN_DBG_READ_KERNEL,
134 LOCKDOWN_CONFIDENTIALITY_MAX,
137 extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
139 /* These functions are in security/commoncap.c */
140 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
141 int cap, unsigned int opts);
142 extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
143 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
144 extern int cap_ptrace_traceme(struct task_struct *parent);
145 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
146 extern int cap_capset(struct cred *new, const struct cred *old,
147 const kernel_cap_t *effective,
148 const kernel_cap_t *inheritable,
149 const kernel_cap_t *permitted);
150 extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
151 extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
152 const void *value, size_t size, int flags);
153 extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
154 extern int cap_inode_need_killpriv(struct dentry *dentry);
155 extern int cap_inode_killpriv(struct dentry *dentry);
156 extern int cap_inode_getsecurity(struct inode *inode, const char *name,
157 void **buffer, bool alloc);
158 extern int cap_mmap_addr(unsigned long addr);
159 extern int cap_mmap_file(struct file *file, unsigned long reqprot,
160 unsigned long prot, unsigned long flags);
161 extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
162 extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
163 unsigned long arg4, unsigned long arg5);
164 extern int cap_task_setscheduler(struct task_struct *p);
165 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
166 extern int cap_task_setnice(struct task_struct *p, int nice);
167 extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
176 struct xfrm_selector;
179 struct xfrm_user_sec_ctx;
181 struct sctp_endpoint;
184 extern unsigned long mmap_min_addr;
185 extern unsigned long dac_mmap_min_addr;
187 #define mmap_min_addr 0UL
188 #define dac_mmap_min_addr 0UL
192 * Values used in the task_security_ops calls
194 /* setuid or setgid, id0 == uid or gid */
195 #define LSM_SETID_ID 1
197 /* setreuid or setregid, id0 == real, id1 == eff */
198 #define LSM_SETID_RE 2
200 /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
201 #define LSM_SETID_RES 4
203 /* setfsuid or setfsgid, id0 == fsuid or fsgid */
204 #define LSM_SETID_FS 8
206 /* Flags for security_task_prlimit(). */
207 #define LSM_PRLIMIT_READ 1
208 #define LSM_PRLIMIT_WRITE 2
210 /* forward declares to avoid warnings */
214 /* bprm->unsafe reasons */
215 #define LSM_UNSAFE_SHARE 1
216 #define LSM_UNSAFE_PTRACE 2
217 #define LSM_UNSAFE_NO_NEW_PRIVS 4
220 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
221 void *buffer, size_t *lenp, loff_t *ppos);
224 /* security_inode_init_security callback function to write xattrs */
225 typedef int (*initxattrs) (struct inode *inode,
226 const struct xattr *xattr_array, void *fs_data);
229 /* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
230 #define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
231 #define __data_id_stringify(dummy, str) #str,
233 enum kernel_load_data_id {
234 __kernel_read_file_id(__data_id_enumify)
237 static const char * const kernel_load_data_str[] = {
238 __kernel_read_file_id(__data_id_stringify)
241 static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
243 if ((unsigned)id >= LOADING_MAX_ID)
244 return kernel_load_data_str[LOADING_UNKNOWN];
246 return kernel_load_data_str[id];
249 #ifdef CONFIG_SECURITY
251 int call_blocking_lsm_notifier(enum lsm_event event, void *data);
252 int register_blocking_lsm_notifier(struct notifier_block *nb);
253 int unregister_blocking_lsm_notifier(struct notifier_block *nb);
256 extern int security_init(void);
257 extern int early_security_init(void);
259 /* Security operations */
260 int security_binder_set_context_mgr(const struct cred *mgr);
261 int security_binder_transaction(const struct cred *from,
262 const struct cred *to);
263 int security_binder_transfer_binder(const struct cred *from,
264 const struct cred *to);
265 int security_binder_transfer_file(const struct cred *from,
266 const struct cred *to, struct file *file);
267 int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
268 int security_ptrace_traceme(struct task_struct *parent);
269 int security_capget(struct task_struct *target,
270 kernel_cap_t *effective,
271 kernel_cap_t *inheritable,
272 kernel_cap_t *permitted);
273 int security_capset(struct cred *new, const struct cred *old,
274 const kernel_cap_t *effective,
275 const kernel_cap_t *inheritable,
276 const kernel_cap_t *permitted);
277 int security_capable(const struct cred *cred,
278 struct user_namespace *ns,
281 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
282 int security_quota_on(struct dentry *dentry);
283 int security_syslog(int type);
284 int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
285 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
286 int security_bprm_creds_for_exec(struct linux_binprm *bprm);
287 int security_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
288 int security_bprm_check(struct linux_binprm *bprm);
289 void security_bprm_committing_creds(struct linux_binprm *bprm);
290 void security_bprm_committed_creds(struct linux_binprm *bprm);
291 int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
292 int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
293 int security_sb_alloc(struct super_block *sb);
294 void security_sb_free(struct super_block *sb);
295 void security_free_mnt_opts(void **mnt_opts);
296 int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
297 int security_sb_remount(struct super_block *sb, void *mnt_opts);
298 int security_sb_kern_mount(struct super_block *sb);
299 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
300 int security_sb_statfs(struct dentry *dentry);
301 int security_sb_mount(const char *dev_name, const struct path *path,
302 const char *type, unsigned long flags, void *data);
303 int security_sb_umount(struct vfsmount *mnt, int flags);
304 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
305 int security_sb_set_mnt_opts(struct super_block *sb,
307 unsigned long kern_flags,
308 unsigned long *set_kern_flags);
309 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
310 struct super_block *newsb,
311 unsigned long kern_flags,
312 unsigned long *set_kern_flags);
313 int security_add_mnt_opt(const char *option, const char *val,
314 int len, void **mnt_opts);
315 int security_move_mount(const struct path *from_path, const struct path *to_path);
316 int security_dentry_init_security(struct dentry *dentry, int mode,
317 const struct qstr *name, void **ctx,
319 int security_dentry_create_files_as(struct dentry *dentry, int mode,
321 const struct cred *old,
323 int security_path_notify(const struct path *path, u64 mask,
324 unsigned int obj_type);
325 int security_inode_alloc(struct inode *inode);
326 void security_inode_free(struct inode *inode);
327 int security_inode_init_security(struct inode *inode, struct inode *dir,
328 const struct qstr *qstr,
329 initxattrs initxattrs, void *fs_data);
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_file_ioctl_compat(struct file *file, unsigned int cmd,
374 int security_mmap_file(struct file *file, unsigned long prot,
375 unsigned long flags);
376 int security_mmap_addr(unsigned long addr);
377 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
379 int security_file_lock(struct file *file, unsigned int cmd);
380 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
381 void security_file_set_fowner(struct file *file);
382 int security_file_send_sigiotask(struct task_struct *tsk,
383 struct fown_struct *fown, int sig);
384 int security_file_receive(struct file *file);
385 int security_file_open(struct file *file);
386 int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
387 void security_task_free(struct task_struct *task);
388 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
389 void security_cred_free(struct cred *cred);
390 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
391 void security_transfer_creds(struct cred *new, const struct cred *old);
392 void security_cred_getsecid(const struct cred *c, u32 *secid);
393 int security_kernel_act_as(struct cred *new, u32 secid);
394 int security_kernel_create_files_as(struct cred *new, struct inode *inode);
395 int security_kernel_module_request(char *kmod_name);
396 int security_kernel_load_data(enum kernel_load_data_id id, bool contents);
397 int security_kernel_post_load_data(char *buf, loff_t size,
398 enum kernel_load_data_id id,
400 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id,
402 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
403 enum kernel_read_file_id id);
404 int security_task_fix_setuid(struct cred *new, const struct cred *old,
406 int security_task_fix_setgid(struct cred *new, const struct cred *old,
408 int security_task_setpgid(struct task_struct *p, pid_t pgid);
409 int security_task_getpgid(struct task_struct *p);
410 int security_task_getsid(struct task_struct *p);
411 void security_task_getsecid(struct task_struct *p, u32 *secid);
412 int security_task_setnice(struct task_struct *p, int nice);
413 int security_task_setioprio(struct task_struct *p, int ioprio);
414 int security_task_getioprio(struct task_struct *p);
415 int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
417 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
418 struct rlimit *new_rlim);
419 int security_task_setscheduler(struct task_struct *p);
420 int security_task_getscheduler(struct task_struct *p);
421 int security_task_movememory(struct task_struct *p);
422 int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
423 int sig, const struct cred *cred);
424 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
425 unsigned long arg4, unsigned long arg5);
426 void security_task_to_inode(struct task_struct *p, struct inode *inode);
427 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
428 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
429 int security_msg_msg_alloc(struct msg_msg *msg);
430 void security_msg_msg_free(struct msg_msg *msg);
431 int security_msg_queue_alloc(struct kern_ipc_perm *msq);
432 void security_msg_queue_free(struct kern_ipc_perm *msq);
433 int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
434 int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
435 int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
436 struct msg_msg *msg, int msqflg);
437 int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
438 struct task_struct *target, long type, int mode);
439 int security_shm_alloc(struct kern_ipc_perm *shp);
440 void security_shm_free(struct kern_ipc_perm *shp);
441 int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
442 int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
443 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
444 int security_sem_alloc(struct kern_ipc_perm *sma);
445 void security_sem_free(struct kern_ipc_perm *sma);
446 int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
447 int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
448 int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
449 unsigned nsops, int alter);
450 void security_d_instantiate(struct dentry *dentry, struct inode *inode);
451 int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
453 int security_setprocattr(const char *lsm, const char *name, void *value,
455 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
456 int security_ismaclabel(const char *name);
457 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
458 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
459 void security_release_secctx(char *secdata, u32 seclen);
460 void security_inode_invalidate_secctx(struct inode *inode);
461 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
462 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
463 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
464 int security_locked_down(enum lockdown_reason what);
465 #else /* CONFIG_SECURITY */
467 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
472 static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
477 static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
482 static inline void security_free_mnt_opts(void **mnt_opts)
487 * This is the default capabilities functionality. Most of these functions
488 * are just stubbed out, but a few must call the proper capable code.
491 static inline int security_init(void)
496 static inline int early_security_init(void)
501 static inline int security_binder_set_context_mgr(const struct cred *mgr)
506 static inline int security_binder_transaction(const struct cred *from,
507 const struct cred *to)
512 static inline int security_binder_transfer_binder(const struct cred *from,
513 const struct cred *to)
518 static inline int security_binder_transfer_file(const struct cred *from,
519 const struct cred *to,
525 static inline int security_ptrace_access_check(struct task_struct *child,
528 return cap_ptrace_access_check(child, mode);
531 static inline int security_ptrace_traceme(struct task_struct *parent)
533 return cap_ptrace_traceme(parent);
536 static inline int security_capget(struct task_struct *target,
537 kernel_cap_t *effective,
538 kernel_cap_t *inheritable,
539 kernel_cap_t *permitted)
541 return cap_capget(target, effective, inheritable, permitted);
544 static inline int security_capset(struct cred *new,
545 const struct cred *old,
546 const kernel_cap_t *effective,
547 const kernel_cap_t *inheritable,
548 const kernel_cap_t *permitted)
550 return cap_capset(new, old, effective, inheritable, permitted);
553 static inline int security_capable(const struct cred *cred,
554 struct user_namespace *ns,
558 return cap_capable(cred, ns, cap, opts);
561 static inline int security_quotactl(int cmds, int type, int id,
562 struct super_block *sb)
567 static inline int security_quota_on(struct dentry *dentry)
572 static inline int security_syslog(int type)
577 static inline int security_settime64(const struct timespec64 *ts,
578 const struct timezone *tz)
580 return cap_settime(ts, tz);
583 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
585 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
588 static inline int security_bprm_creds_for_exec(struct linux_binprm *bprm)
593 static inline int security_bprm_creds_from_file(struct linux_binprm *bprm,
596 return cap_bprm_creds_from_file(bprm, file);
599 static inline int security_bprm_check(struct linux_binprm *bprm)
604 static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
608 static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
612 static inline int security_fs_context_dup(struct fs_context *fc,
613 struct fs_context *src_fc)
617 static inline int security_fs_context_parse_param(struct fs_context *fc,
618 struct fs_parameter *param)
623 static inline int security_sb_alloc(struct super_block *sb)
628 static inline void security_sb_free(struct super_block *sb)
631 static inline int security_sb_eat_lsm_opts(char *options,
637 static inline int security_sb_remount(struct super_block *sb,
643 static inline int security_sb_kern_mount(struct super_block *sb)
648 static inline int security_sb_show_options(struct seq_file *m,
649 struct super_block *sb)
654 static inline int security_sb_statfs(struct dentry *dentry)
659 static inline int security_sb_mount(const char *dev_name, const struct path *path,
660 const char *type, unsigned long flags,
666 static inline int security_sb_umount(struct vfsmount *mnt, int flags)
671 static inline int security_sb_pivotroot(const struct path *old_path,
672 const struct path *new_path)
677 static inline int security_sb_set_mnt_opts(struct super_block *sb,
679 unsigned long kern_flags,
680 unsigned long *set_kern_flags)
685 static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
686 struct super_block *newsb,
687 unsigned long kern_flags,
688 unsigned long *set_kern_flags)
693 static inline int security_add_mnt_opt(const char *option, const char *val,
694 int len, void **mnt_opts)
699 static inline int security_move_mount(const struct path *from_path,
700 const struct path *to_path)
705 static inline int security_path_notify(const struct path *path, u64 mask,
706 unsigned int obj_type)
711 static inline int security_inode_alloc(struct inode *inode)
716 static inline void security_inode_free(struct inode *inode)
719 static inline int security_dentry_init_security(struct dentry *dentry,
721 const struct qstr *name,
728 static inline int security_dentry_create_files_as(struct dentry *dentry,
729 int mode, struct qstr *name,
730 const struct cred *old,
737 static inline int security_inode_init_security(struct inode *inode,
739 const struct qstr *qstr,
740 const initxattrs xattrs,
746 static inline int security_old_inode_init_security(struct inode *inode,
748 const struct qstr *qstr,
750 void **value, size_t *len)
755 static inline int security_inode_create(struct inode *dir,
756 struct dentry *dentry,
762 static inline int security_inode_link(struct dentry *old_dentry,
764 struct dentry *new_dentry)
769 static inline int security_inode_unlink(struct inode *dir,
770 struct dentry *dentry)
775 static inline int security_inode_symlink(struct inode *dir,
776 struct dentry *dentry,
777 const char *old_name)
782 static inline int security_inode_mkdir(struct inode *dir,
783 struct dentry *dentry,
789 static inline int security_inode_rmdir(struct inode *dir,
790 struct dentry *dentry)
795 static inline int security_inode_mknod(struct inode *dir,
796 struct dentry *dentry,
802 static inline int security_inode_rename(struct inode *old_dir,
803 struct dentry *old_dentry,
804 struct inode *new_dir,
805 struct dentry *new_dentry,
811 static inline int security_inode_readlink(struct dentry *dentry)
816 static inline int security_inode_follow_link(struct dentry *dentry,
823 static inline int security_inode_permission(struct inode *inode, int mask)
828 static inline int security_inode_setattr(struct dentry *dentry,
834 static inline int security_inode_getattr(const struct path *path)
839 static inline int security_inode_setxattr(struct dentry *dentry,
840 const char *name, const void *value, size_t size, int flags)
842 return cap_inode_setxattr(dentry, name, value, size, flags);
845 static inline void security_inode_post_setxattr(struct dentry *dentry,
846 const char *name, const void *value, size_t size, int flags)
849 static inline int security_inode_getxattr(struct dentry *dentry,
855 static inline int security_inode_listxattr(struct dentry *dentry)
860 static inline int security_inode_removexattr(struct dentry *dentry,
863 return cap_inode_removexattr(dentry, name);
866 static inline int security_inode_need_killpriv(struct dentry *dentry)
868 return cap_inode_need_killpriv(dentry);
871 static inline int security_inode_killpriv(struct dentry *dentry)
873 return cap_inode_killpriv(dentry);
876 static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
878 return cap_inode_getsecurity(inode, name, buffer, alloc);
881 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
886 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
891 static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
896 static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
901 static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
902 struct kernfs_node *kn)
907 static inline int security_inode_copy_up_xattr(const char *name)
912 static inline int security_file_permission(struct file *file, int mask)
917 static inline int security_file_alloc(struct file *file)
922 static inline void security_file_free(struct file *file)
925 static inline int security_file_ioctl(struct file *file, unsigned int cmd,
931 static inline int security_file_ioctl_compat(struct file *file,
938 static inline int security_mmap_file(struct file *file, unsigned long prot,
944 static inline int security_mmap_addr(unsigned long addr)
946 return cap_mmap_addr(addr);
949 static inline int security_file_mprotect(struct vm_area_struct *vma,
950 unsigned long reqprot,
956 static inline int security_file_lock(struct file *file, unsigned int cmd)
961 static inline int security_file_fcntl(struct file *file, unsigned int cmd,
967 static inline void security_file_set_fowner(struct file *file)
972 static inline int security_file_send_sigiotask(struct task_struct *tsk,
973 struct fown_struct *fown,
979 static inline int security_file_receive(struct file *file)
984 static inline int security_file_open(struct file *file)
989 static inline int security_task_alloc(struct task_struct *task,
990 unsigned long clone_flags)
995 static inline void security_task_free(struct task_struct *task)
998 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
1003 static inline void security_cred_free(struct cred *cred)
1006 static inline int security_prepare_creds(struct cred *new,
1007 const struct cred *old,
1013 static inline void security_transfer_creds(struct cred *new,
1014 const struct cred *old)
1018 static inline void security_cred_getsecid(const struct cred *c, u32 *secid)
1023 static inline int security_kernel_act_as(struct cred *cred, u32 secid)
1028 static inline int security_kernel_create_files_as(struct cred *cred,
1029 struct inode *inode)
1034 static inline int security_kernel_module_request(char *kmod_name)
1039 static inline int security_kernel_load_data(enum kernel_load_data_id id, bool contents)
1044 static inline int security_kernel_post_load_data(char *buf, loff_t size,
1045 enum kernel_load_data_id id,
1051 static inline int security_kernel_read_file(struct file *file,
1052 enum kernel_read_file_id id,
1058 static inline int security_kernel_post_read_file(struct file *file,
1059 char *buf, loff_t size,
1060 enum kernel_read_file_id id)
1065 static inline int security_task_fix_setuid(struct cred *new,
1066 const struct cred *old,
1069 return cap_task_fix_setuid(new, old, flags);
1072 static inline int security_task_fix_setgid(struct cred *new,
1073 const struct cred *old,
1079 static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1084 static inline int security_task_getpgid(struct task_struct *p)
1089 static inline int security_task_getsid(struct task_struct *p)
1094 static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
1099 static inline int security_task_setnice(struct task_struct *p, int nice)
1101 return cap_task_setnice(p, nice);
1104 static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1106 return cap_task_setioprio(p, ioprio);
1109 static inline int security_task_getioprio(struct task_struct *p)
1114 static inline int security_task_prlimit(const struct cred *cred,
1115 const struct cred *tcred,
1121 static inline int security_task_setrlimit(struct task_struct *p,
1122 unsigned int resource,
1123 struct rlimit *new_rlim)
1128 static inline int security_task_setscheduler(struct task_struct *p)
1130 return cap_task_setscheduler(p);
1133 static inline int security_task_getscheduler(struct task_struct *p)
1138 static inline int security_task_movememory(struct task_struct *p)
1143 static inline int security_task_kill(struct task_struct *p,
1144 struct kernel_siginfo *info, int sig,
1145 const struct cred *cred)
1150 static inline int security_task_prctl(int option, unsigned long arg2,
1155 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1158 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1161 static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1167 static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1172 static inline int security_msg_msg_alloc(struct msg_msg *msg)
1177 static inline void security_msg_msg_free(struct msg_msg *msg)
1180 static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1185 static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1188 static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1194 static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1199 static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1200 struct msg_msg *msg, int msqflg)
1205 static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1206 struct msg_msg *msg,
1207 struct task_struct *target,
1208 long type, int mode)
1213 static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1218 static inline void security_shm_free(struct kern_ipc_perm *shp)
1221 static inline int security_shm_associate(struct kern_ipc_perm *shp,
1227 static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1232 static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1233 char __user *shmaddr, int shmflg)
1238 static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1243 static inline void security_sem_free(struct kern_ipc_perm *sma)
1246 static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1251 static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1256 static inline int security_sem_semop(struct kern_ipc_perm *sma,
1257 struct sembuf *sops, unsigned nsops,
1263 static inline void security_d_instantiate(struct dentry *dentry,
1264 struct inode *inode)
1267 static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1268 char *name, char **value)
1273 static inline int security_setprocattr(const char *lsm, char *name,
1274 void *value, size_t size)
1279 static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1284 static inline int security_ismaclabel(const char *name)
1289 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1294 static inline int security_secctx_to_secid(const char *secdata,
1301 static inline void security_release_secctx(char *secdata, u32 seclen)
1305 static inline void security_inode_invalidate_secctx(struct inode *inode)
1309 static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1313 static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1317 static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1321 static inline int security_locked_down(enum lockdown_reason what)
1325 #endif /* CONFIG_SECURITY */
1327 #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
1328 int security_post_notification(const struct cred *w_cred,
1329 const struct cred *cred,
1330 struct watch_notification *n);
1332 static inline int security_post_notification(const struct cred *w_cred,
1333 const struct cred *cred,
1334 struct watch_notification *n)
1340 #if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
1341 int security_watch_key(struct key *key);
1343 static inline int security_watch_key(struct key *key)
1349 #ifdef CONFIG_SECURITY_NETWORK
1351 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1352 int security_unix_may_send(struct socket *sock, struct socket *other);
1353 int security_socket_create(int family, int type, int protocol, int kern);
1354 int security_socket_post_create(struct socket *sock, int family,
1355 int type, int protocol, int kern);
1356 int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1357 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1358 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1359 int security_socket_listen(struct socket *sock, int backlog);
1360 int security_socket_accept(struct socket *sock, struct socket *newsock);
1361 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1362 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1363 int size, int flags);
1364 int security_socket_getsockname(struct socket *sock);
1365 int security_socket_getpeername(struct socket *sock);
1366 int security_socket_getsockopt(struct socket *sock, int level, int optname);
1367 int security_socket_setsockopt(struct socket *sock, int level, int optname);
1368 int security_socket_shutdown(struct socket *sock, int how);
1369 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1370 int security_socket_getpeersec_stream(struct socket *sock, sockptr_t optval,
1371 sockptr_t optlen, unsigned int len);
1372 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1373 int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1374 void security_sk_free(struct sock *sk);
1375 void security_sk_clone(const struct sock *sk, struct sock *newsk);
1376 void security_sk_classify_flow(struct sock *sk, struct flowi_common *flic);
1377 void security_req_classify_flow(const struct request_sock *req,
1378 struct flowi_common *flic);
1379 void security_sock_graft(struct sock*sk, struct socket *parent);
1380 int security_inet_conn_request(struct sock *sk,
1381 struct sk_buff *skb, struct request_sock *req);
1382 void security_inet_csk_clone(struct sock *newsk,
1383 const struct request_sock *req);
1384 void security_inet_conn_established(struct sock *sk,
1385 struct sk_buff *skb);
1386 int security_secmark_relabel_packet(u32 secid);
1387 void security_secmark_refcount_inc(void);
1388 void security_secmark_refcount_dec(void);
1389 int security_tun_dev_alloc_security(void **security);
1390 void security_tun_dev_free_security(void *security);
1391 int security_tun_dev_create(void);
1392 int security_tun_dev_attach_queue(void *security);
1393 int security_tun_dev_attach(struct sock *sk, void *security);
1394 int security_tun_dev_open(void *security);
1395 int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb);
1396 int security_sctp_bind_connect(struct sock *sk, int optname,
1397 struct sockaddr *address, int addrlen);
1398 void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
1399 struct sock *newsk);
1401 #else /* CONFIG_SECURITY_NETWORK */
1402 static inline int security_unix_stream_connect(struct sock *sock,
1409 static inline int security_unix_may_send(struct socket *sock,
1410 struct socket *other)
1415 static inline int security_socket_create(int family, int type,
1416 int protocol, int kern)
1421 static inline int security_socket_post_create(struct socket *sock,
1424 int protocol, int kern)
1429 static inline int security_socket_socketpair(struct socket *socka,
1430 struct socket *sockb)
1435 static inline int security_socket_bind(struct socket *sock,
1436 struct sockaddr *address,
1442 static inline int security_socket_connect(struct socket *sock,
1443 struct sockaddr *address,
1449 static inline int security_socket_listen(struct socket *sock, int backlog)
1454 static inline int security_socket_accept(struct socket *sock,
1455 struct socket *newsock)
1460 static inline int security_socket_sendmsg(struct socket *sock,
1461 struct msghdr *msg, int size)
1466 static inline int security_socket_recvmsg(struct socket *sock,
1467 struct msghdr *msg, int size,
1473 static inline int security_socket_getsockname(struct socket *sock)
1478 static inline int security_socket_getpeername(struct socket *sock)
1483 static inline int security_socket_getsockopt(struct socket *sock,
1484 int level, int optname)
1489 static inline int security_socket_setsockopt(struct socket *sock,
1490 int level, int optname)
1495 static inline int security_socket_shutdown(struct socket *sock, int how)
1499 static inline int security_sock_rcv_skb(struct sock *sk,
1500 struct sk_buff *skb)
1505 static inline int security_socket_getpeersec_stream(struct socket *sock,
1510 return -ENOPROTOOPT;
1513 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1515 return -ENOPROTOOPT;
1518 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1523 static inline void security_sk_free(struct sock *sk)
1527 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1531 static inline void security_sk_classify_flow(struct sock *sk,
1532 struct flowi_common *flic)
1536 static inline void security_req_classify_flow(const struct request_sock *req,
1537 struct flowi_common *flic)
1541 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1545 static inline int security_inet_conn_request(struct sock *sk,
1546 struct sk_buff *skb, struct request_sock *req)
1551 static inline void security_inet_csk_clone(struct sock *newsk,
1552 const struct request_sock *req)
1556 static inline void security_inet_conn_established(struct sock *sk,
1557 struct sk_buff *skb)
1561 static inline int security_secmark_relabel_packet(u32 secid)
1566 static inline void security_secmark_refcount_inc(void)
1570 static inline void security_secmark_refcount_dec(void)
1574 static inline int security_tun_dev_alloc_security(void **security)
1579 static inline void security_tun_dev_free_security(void *security)
1583 static inline int security_tun_dev_create(void)
1588 static inline int security_tun_dev_attach_queue(void *security)
1593 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1598 static inline int security_tun_dev_open(void *security)
1603 static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
1604 struct sk_buff *skb)
1609 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1610 struct sockaddr *address,
1616 static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
1621 #endif /* CONFIG_SECURITY_NETWORK */
1623 #ifdef CONFIG_SECURITY_INFINIBAND
1624 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1625 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1626 int security_ib_alloc_security(void **sec);
1627 void security_ib_free_security(void *sec);
1628 #else /* CONFIG_SECURITY_INFINIBAND */
1629 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1634 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1639 static inline int security_ib_alloc_security(void **sec)
1644 static inline void security_ib_free_security(void *sec)
1647 #endif /* CONFIG_SECURITY_INFINIBAND */
1649 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1651 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1652 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1653 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1654 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1655 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1656 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1657 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1658 struct xfrm_sec_ctx *polsec, u32 secid);
1659 int security_xfrm_state_delete(struct xfrm_state *x);
1660 void security_xfrm_state_free(struct xfrm_state *x);
1661 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
1662 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1663 struct xfrm_policy *xp,
1664 const struct flowi_common *flic);
1665 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1666 void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic);
1668 #else /* CONFIG_SECURITY_NETWORK_XFRM */
1670 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1671 struct xfrm_user_sec_ctx *sec_ctx,
1677 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1682 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1686 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1691 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1692 struct xfrm_user_sec_ctx *sec_ctx)
1697 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1698 struct xfrm_sec_ctx *polsec, u32 secid)
1703 static inline void security_xfrm_state_free(struct xfrm_state *x)
1707 static inline int security_xfrm_state_delete(struct xfrm_state *x)
1712 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1717 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1718 struct xfrm_policy *xp,
1719 const struct flowi_common *flic)
1724 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1729 static inline void security_skb_classify_flow(struct sk_buff *skb,
1730 struct flowi_common *flic)
1734 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1736 #ifdef CONFIG_SECURITY_PATH
1737 int security_path_unlink(const struct path *dir, struct dentry *dentry);
1738 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1739 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1740 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1742 int security_path_truncate(const struct path *path);
1743 int security_path_symlink(const struct path *dir, struct dentry *dentry,
1744 const char *old_name);
1745 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1746 struct dentry *new_dentry);
1747 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1748 const struct path *new_dir, struct dentry *new_dentry,
1749 unsigned int flags);
1750 int security_path_chmod(const struct path *path, umode_t mode);
1751 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1752 int security_path_chroot(const struct path *path);
1753 #else /* CONFIG_SECURITY_PATH */
1754 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1759 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1765 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1770 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1771 umode_t mode, unsigned int dev)
1776 static inline int security_path_truncate(const struct path *path)
1781 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1782 const char *old_name)
1787 static inline int security_path_link(struct dentry *old_dentry,
1788 const struct path *new_dir,
1789 struct dentry *new_dentry)
1794 static inline int security_path_rename(const struct path *old_dir,
1795 struct dentry *old_dentry,
1796 const struct path *new_dir,
1797 struct dentry *new_dentry,
1803 static inline int security_path_chmod(const struct path *path, umode_t mode)
1808 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1813 static inline int security_path_chroot(const struct path *path)
1817 #endif /* CONFIG_SECURITY_PATH */
1820 #ifdef CONFIG_SECURITY
1822 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1823 void security_key_free(struct key *key);
1824 int security_key_permission(key_ref_t key_ref, const struct cred *cred,
1825 enum key_need_perm need_perm);
1826 int security_key_getsecurity(struct key *key, char **_buffer);
1830 static inline int security_key_alloc(struct key *key,
1831 const struct cred *cred,
1832 unsigned long flags)
1837 static inline void security_key_free(struct key *key)
1841 static inline int security_key_permission(key_ref_t key_ref,
1842 const struct cred *cred,
1843 enum key_need_perm need_perm)
1848 static inline int security_key_getsecurity(struct key *key, char **_buffer)
1855 #endif /* CONFIG_KEYS */
1858 #ifdef CONFIG_SECURITY
1859 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1860 int security_audit_rule_known(struct audit_krule *krule);
1861 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1862 void security_audit_rule_free(void *lsmrule);
1866 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1872 static inline int security_audit_rule_known(struct audit_krule *krule)
1877 static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1883 static inline void security_audit_rule_free(void *lsmrule)
1886 #endif /* CONFIG_SECURITY */
1887 #endif /* CONFIG_AUDIT */
1889 #ifdef CONFIG_SECURITYFS
1891 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1892 struct dentry *parent, void *data,
1893 const struct file_operations *fops);
1894 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1895 struct dentry *securityfs_create_symlink(const char *name,
1896 struct dentry *parent,
1898 const struct inode_operations *iops);
1899 extern void securityfs_remove(struct dentry *dentry);
1901 #else /* CONFIG_SECURITYFS */
1903 static inline struct dentry *securityfs_create_dir(const char *name,
1904 struct dentry *parent)
1906 return ERR_PTR(-ENODEV);
1909 static inline struct dentry *securityfs_create_file(const char *name,
1911 struct dentry *parent,
1913 const struct file_operations *fops)
1915 return ERR_PTR(-ENODEV);
1918 static inline struct dentry *securityfs_create_symlink(const char *name,
1919 struct dentry *parent,
1921 const struct inode_operations *iops)
1923 return ERR_PTR(-ENODEV);
1926 static inline void securityfs_remove(struct dentry *dentry)
1931 #ifdef CONFIG_BPF_SYSCALL
1935 struct bpf_prog_aux;
1936 #ifdef CONFIG_SECURITY
1937 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1938 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1939 extern int security_bpf_prog(struct bpf_prog *prog);
1940 extern int security_bpf_map_alloc(struct bpf_map *map);
1941 extern void security_bpf_map_free(struct bpf_map *map);
1942 extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1943 extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1945 static inline int security_bpf(int cmd, union bpf_attr *attr,
1951 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1956 static inline int security_bpf_prog(struct bpf_prog *prog)
1961 static inline int security_bpf_map_alloc(struct bpf_map *map)
1966 static inline void security_bpf_map_free(struct bpf_map *map)
1969 static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1974 static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
1976 #endif /* CONFIG_SECURITY */
1977 #endif /* CONFIG_BPF_SYSCALL */
1979 #ifdef CONFIG_PERF_EVENTS
1980 struct perf_event_attr;
1983 #ifdef CONFIG_SECURITY
1984 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
1985 extern int security_perf_event_alloc(struct perf_event *event);
1986 extern void security_perf_event_free(struct perf_event *event);
1987 extern int security_perf_event_read(struct perf_event *event);
1988 extern int security_perf_event_write(struct perf_event *event);
1990 static inline int security_perf_event_open(struct perf_event_attr *attr,
1996 static inline int security_perf_event_alloc(struct perf_event *event)
2001 static inline void security_perf_event_free(struct perf_event *event)
2005 static inline int security_perf_event_read(struct perf_event *event)
2010 static inline int security_perf_event_write(struct perf_event *event)
2014 #endif /* CONFIG_SECURITY */
2015 #endif /* CONFIG_PERF_EVENTS */
2017 #endif /* ! __LINUX_SECURITY_H */