4 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
5 * Copyright (C) 2001 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
7 * Copyright (C) 2001 James Morris <jmorris@intercode.com.au>
8 * Copyright (C) 2001 Silicon Graphics, Inc. (Trust Technology Group)
9 * Copyright (C) 2016 Mellanox Techonologies
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * Due to this file being licensed under the GPL there is controversy over
17 * whether this permits you to write a module that #includes this file
18 * without placing your module under the GPL. Please consult a lawyer for
19 * advice before doing this.
23 #ifndef __LINUX_SECURITY_H
24 #define __LINUX_SECURITY_H
26 #include <linux/key.h>
27 #include <linux/capability.h>
29 #include <linux/slab.h>
30 #include <linux/err.h>
31 #include <linux/string.h>
37 struct kernel_siginfo;
50 struct file_operations;
60 struct watch_notification;
62 /* Default (no) options for the capable function */
63 #define CAP_OPT_NONE 0x0
64 /* If capable should audit the security request */
65 #define CAP_OPT_NOAUDIT BIT(1)
66 /* If capable is being called by a setid function */
67 #define CAP_OPT_INSETID BIT(2)
69 /* LSM Agnostic defines for fs_context::lsm_flags */
70 #define SECURITY_LSM_NATIVE_LABELS 1
74 struct user_namespace;
82 * These are reasons that can be passed to the security_locked_down()
83 * LSM hook. Lockdown reasons that protect kernel integrity (ie, the
84 * ability for userland to modify kernel code) are placed before
85 * LOCKDOWN_INTEGRITY_MAX. Lockdown reasons that protect kernel
86 * confidentiality (ie, the ability for userland to extract
87 * information from the running kernel that would otherwise be
88 * restricted) are placed before LOCKDOWN_CONFIDENTIALITY_MAX.
90 * LSM authors should note that the semantics of any given lockdown
91 * reason are not guaranteed to be stable - the same reason may block
92 * one set of features in one kernel release, and a slightly different
93 * set of features in a later kernel release. LSMs that seek to expose
94 * lockdown policy at any level of granularity other than "none",
95 * "integrity" or "confidentiality" are responsible for either
96 * ensuring that they expose a consistent level of functionality to
97 * userland, or ensuring that userland is aware that this is
98 * potentially a moving target. It is easy to misuse this information
99 * in a way that could break userspace. Please be careful not to do
102 * If you add to this, remember to extend lockdown_reasons in
103 * security/lockdown/lockdown.c.
105 enum lockdown_reason {
107 LOCKDOWN_MODULE_SIGNATURE,
111 LOCKDOWN_HIBERNATION,
115 LOCKDOWN_ACPI_TABLES,
117 LOCKDOWN_TIOCSSERIAL,
118 LOCKDOWN_MODULE_PARAMETERS,
122 LOCKDOWN_INTEGRITY_MAX,
129 LOCKDOWN_CONFIDENTIALITY_MAX,
132 extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
134 /* These functions are in security/commoncap.c */
135 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
136 int cap, unsigned int opts);
137 extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
138 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
139 extern int cap_ptrace_traceme(struct task_struct *parent);
140 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
141 extern int cap_capset(struct cred *new, const struct cred *old,
142 const kernel_cap_t *effective,
143 const kernel_cap_t *inheritable,
144 const kernel_cap_t *permitted);
145 extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
146 extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
147 const void *value, size_t size, int flags);
148 extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
149 extern int cap_inode_need_killpriv(struct dentry *dentry);
150 extern int cap_inode_killpriv(struct dentry *dentry);
151 extern int cap_inode_getsecurity(struct inode *inode, const char *name,
152 void **buffer, bool alloc);
153 extern int cap_mmap_addr(unsigned long addr);
154 extern int cap_mmap_file(struct file *file, unsigned long reqprot,
155 unsigned long prot, unsigned long flags);
156 extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
157 extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
158 unsigned long arg4, unsigned long arg5);
159 extern int cap_task_setscheduler(struct task_struct *p);
160 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
161 extern int cap_task_setnice(struct task_struct *p, int nice);
162 extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
171 struct xfrm_selector;
174 struct xfrm_user_sec_ctx;
176 struct sctp_endpoint;
179 extern unsigned long mmap_min_addr;
180 extern unsigned long dac_mmap_min_addr;
182 #define mmap_min_addr 0UL
183 #define dac_mmap_min_addr 0UL
187 * Values used in the task_security_ops calls
189 /* setuid or setgid, id0 == uid or gid */
190 #define LSM_SETID_ID 1
192 /* setreuid or setregid, id0 == real, id1 == eff */
193 #define LSM_SETID_RE 2
195 /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
196 #define LSM_SETID_RES 4
198 /* setfsuid or setfsgid, id0 == fsuid or fsgid */
199 #define LSM_SETID_FS 8
201 /* Flags for security_task_prlimit(). */
202 #define LSM_PRLIMIT_READ 1
203 #define LSM_PRLIMIT_WRITE 2
205 /* forward declares to avoid warnings */
209 /* bprm->unsafe reasons */
210 #define LSM_UNSAFE_SHARE 1
211 #define LSM_UNSAFE_PTRACE 2
212 #define LSM_UNSAFE_NO_NEW_PRIVS 4
215 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
216 void *buffer, size_t *lenp, loff_t *ppos);
219 /* security_inode_init_security callback function to write xattrs */
220 typedef int (*initxattrs) (struct inode *inode,
221 const struct xattr *xattr_array, void *fs_data);
224 /* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
225 #define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
226 #define __data_id_stringify(dummy, str) #str,
228 enum kernel_load_data_id {
229 __kernel_read_file_id(__data_id_enumify)
232 static const char * const kernel_load_data_str[] = {
233 __kernel_read_file_id(__data_id_stringify)
236 static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
238 if ((unsigned)id >= LOADING_MAX_ID)
239 return kernel_load_data_str[LOADING_UNKNOWN];
241 return kernel_load_data_str[id];
244 #ifdef CONFIG_SECURITY
246 int call_blocking_lsm_notifier(enum lsm_event event, void *data);
247 int register_blocking_lsm_notifier(struct notifier_block *nb);
248 int unregister_blocking_lsm_notifier(struct notifier_block *nb);
251 extern int security_init(void);
252 extern int early_security_init(void);
254 /* Security operations */
255 int security_binder_set_context_mgr(struct task_struct *mgr);
256 int security_binder_transaction(struct task_struct *from,
257 struct task_struct *to);
258 int security_binder_transfer_binder(struct task_struct *from,
259 struct task_struct *to);
260 int security_binder_transfer_file(struct task_struct *from,
261 struct task_struct *to, struct file *file);
262 int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
263 int security_ptrace_traceme(struct task_struct *parent);
264 int security_capget(struct task_struct *target,
265 kernel_cap_t *effective,
266 kernel_cap_t *inheritable,
267 kernel_cap_t *permitted);
268 int security_capset(struct cred *new, const struct cred *old,
269 const kernel_cap_t *effective,
270 const kernel_cap_t *inheritable,
271 const kernel_cap_t *permitted);
272 int security_capable(const struct cred *cred,
273 struct user_namespace *ns,
276 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
277 int security_quota_on(struct dentry *dentry);
278 int security_syslog(int type);
279 int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
280 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
281 int security_bprm_creds_for_exec(struct linux_binprm *bprm);
282 int security_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
283 int security_bprm_check(struct linux_binprm *bprm);
284 void security_bprm_committing_creds(struct linux_binprm *bprm);
285 void security_bprm_committed_creds(struct linux_binprm *bprm);
286 int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
287 int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
288 int security_sb_alloc(struct super_block *sb);
289 void security_sb_free(struct super_block *sb);
290 void security_free_mnt_opts(void **mnt_opts);
291 int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
292 int security_sb_remount(struct super_block *sb, void *mnt_opts);
293 int security_sb_kern_mount(struct super_block *sb);
294 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
295 int security_sb_statfs(struct dentry *dentry);
296 int security_sb_mount(const char *dev_name, const struct path *path,
297 const char *type, unsigned long flags, void *data);
298 int security_sb_umount(struct vfsmount *mnt, int flags);
299 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
300 int security_sb_set_mnt_opts(struct super_block *sb,
302 unsigned long kern_flags,
303 unsigned long *set_kern_flags);
304 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
305 struct super_block *newsb,
306 unsigned long kern_flags,
307 unsigned long *set_kern_flags);
308 int security_add_mnt_opt(const char *option, const char *val,
309 int len, void **mnt_opts);
310 int security_move_mount(const struct path *from_path, const struct path *to_path);
311 int security_dentry_init_security(struct dentry *dentry, int mode,
312 const struct qstr *name, void **ctx,
314 int security_dentry_create_files_as(struct dentry *dentry, int mode,
316 const struct cred *old,
318 int security_path_notify(const struct path *path, u64 mask,
319 unsigned int obj_type);
320 int security_inode_alloc(struct inode *inode);
321 void security_inode_free(struct inode *inode);
322 int security_inode_init_security(struct inode *inode, struct inode *dir,
323 const struct qstr *qstr,
324 initxattrs initxattrs, void *fs_data);
325 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
326 const struct qstr *qstr, const char **name,
327 void **value, size_t *len);
328 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
329 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
330 struct dentry *new_dentry);
331 int security_inode_unlink(struct inode *dir, struct dentry *dentry);
332 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
333 const char *old_name);
334 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
335 int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
336 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
337 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
338 struct inode *new_dir, struct dentry *new_dentry,
340 int security_inode_readlink(struct dentry *dentry);
341 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
343 int security_inode_permission(struct inode *inode, int mask);
344 int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
345 int security_inode_getattr(const struct path *path);
346 int security_inode_setxattr(struct dentry *dentry, const char *name,
347 const void *value, size_t size, int flags);
348 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
349 const void *value, size_t size, int flags);
350 int security_inode_getxattr(struct dentry *dentry, const char *name);
351 int security_inode_listxattr(struct dentry *dentry);
352 int security_inode_removexattr(struct dentry *dentry, const char *name);
353 int security_inode_need_killpriv(struct dentry *dentry);
354 int security_inode_killpriv(struct dentry *dentry);
355 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
356 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
357 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
358 void security_inode_getsecid(struct inode *inode, u32 *secid);
359 int security_inode_copy_up(struct dentry *src, struct cred **new);
360 int security_inode_copy_up_xattr(const char *name);
361 int security_kernfs_init_security(struct kernfs_node *kn_dir,
362 struct kernfs_node *kn);
363 int security_file_permission(struct file *file, int mask);
364 int security_file_alloc(struct file *file);
365 void security_file_free(struct file *file);
366 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
367 int security_mmap_file(struct file *file, unsigned long prot,
368 unsigned long flags);
369 int security_mmap_addr(unsigned long addr);
370 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
372 int security_file_lock(struct file *file, unsigned int cmd);
373 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
374 void security_file_set_fowner(struct file *file);
375 int security_file_send_sigiotask(struct task_struct *tsk,
376 struct fown_struct *fown, int sig);
377 int security_file_receive(struct file *file);
378 int security_file_open(struct file *file);
379 int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
380 void security_task_free(struct task_struct *task);
381 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
382 void security_cred_free(struct cred *cred);
383 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
384 void security_transfer_creds(struct cred *new, const struct cred *old);
385 void security_cred_getsecid(const struct cred *c, u32 *secid);
386 int security_kernel_act_as(struct cred *new, u32 secid);
387 int security_kernel_create_files_as(struct cred *new, struct inode *inode);
388 int security_kernel_module_request(char *kmod_name);
389 int security_kernel_load_data(enum kernel_load_data_id id);
390 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
391 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
392 enum kernel_read_file_id id);
393 int security_task_fix_setuid(struct cred *new, const struct cred *old,
395 int security_task_setpgid(struct task_struct *p, pid_t pgid);
396 int security_task_getpgid(struct task_struct *p);
397 int security_task_getsid(struct task_struct *p);
398 void security_task_getsecid(struct task_struct *p, u32 *secid);
399 int security_task_setnice(struct task_struct *p, int nice);
400 int security_task_setioprio(struct task_struct *p, int ioprio);
401 int security_task_getioprio(struct task_struct *p);
402 int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
404 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
405 struct rlimit *new_rlim);
406 int security_task_setscheduler(struct task_struct *p);
407 int security_task_getscheduler(struct task_struct *p);
408 int security_task_movememory(struct task_struct *p);
409 int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
410 int sig, const struct cred *cred);
411 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
412 unsigned long arg4, unsigned long arg5);
413 void security_task_to_inode(struct task_struct *p, struct inode *inode);
414 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
415 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
416 int security_msg_msg_alloc(struct msg_msg *msg);
417 void security_msg_msg_free(struct msg_msg *msg);
418 int security_msg_queue_alloc(struct kern_ipc_perm *msq);
419 void security_msg_queue_free(struct kern_ipc_perm *msq);
420 int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
421 int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
422 int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
423 struct msg_msg *msg, int msqflg);
424 int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
425 struct task_struct *target, long type, int mode);
426 int security_shm_alloc(struct kern_ipc_perm *shp);
427 void security_shm_free(struct kern_ipc_perm *shp);
428 int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
429 int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
430 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
431 int security_sem_alloc(struct kern_ipc_perm *sma);
432 void security_sem_free(struct kern_ipc_perm *sma);
433 int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
434 int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
435 int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
436 unsigned nsops, int alter);
437 void security_d_instantiate(struct dentry *dentry, struct inode *inode);
438 int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
440 int security_setprocattr(const char *lsm, const char *name, void *value,
442 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
443 int security_ismaclabel(const char *name);
444 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
445 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
446 void security_release_secctx(char *secdata, u32 seclen);
447 void security_inode_invalidate_secctx(struct inode *inode);
448 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
449 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
450 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
451 int security_locked_down(enum lockdown_reason what);
452 #else /* CONFIG_SECURITY */
454 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
459 static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
464 static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
469 static inline void security_free_mnt_opts(void **mnt_opts)
474 * This is the default capabilities functionality. Most of these functions
475 * are just stubbed out, but a few must call the proper capable code.
478 static inline int security_init(void)
483 static inline int early_security_init(void)
488 static inline int security_binder_set_context_mgr(struct task_struct *mgr)
493 static inline int security_binder_transaction(struct task_struct *from,
494 struct task_struct *to)
499 static inline int security_binder_transfer_binder(struct task_struct *from,
500 struct task_struct *to)
505 static inline int security_binder_transfer_file(struct task_struct *from,
506 struct task_struct *to,
512 static inline int security_ptrace_access_check(struct task_struct *child,
515 return cap_ptrace_access_check(child, mode);
518 static inline int security_ptrace_traceme(struct task_struct *parent)
520 return cap_ptrace_traceme(parent);
523 static inline int security_capget(struct task_struct *target,
524 kernel_cap_t *effective,
525 kernel_cap_t *inheritable,
526 kernel_cap_t *permitted)
528 return cap_capget(target, effective, inheritable, permitted);
531 static inline int security_capset(struct cred *new,
532 const struct cred *old,
533 const kernel_cap_t *effective,
534 const kernel_cap_t *inheritable,
535 const kernel_cap_t *permitted)
537 return cap_capset(new, old, effective, inheritable, permitted);
540 static inline int security_capable(const struct cred *cred,
541 struct user_namespace *ns,
545 return cap_capable(cred, ns, cap, opts);
548 static inline int security_quotactl(int cmds, int type, int id,
549 struct super_block *sb)
554 static inline int security_quota_on(struct dentry *dentry)
559 static inline int security_syslog(int type)
564 static inline int security_settime64(const struct timespec64 *ts,
565 const struct timezone *tz)
567 return cap_settime(ts, tz);
570 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
572 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
575 static inline int security_bprm_creds_for_exec(struct linux_binprm *bprm)
580 static inline int security_bprm_creds_from_file(struct linux_binprm *bprm,
583 return cap_bprm_creds_from_file(bprm, file);
586 static inline int security_bprm_check(struct linux_binprm *bprm)
591 static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
595 static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
599 static inline int security_fs_context_dup(struct fs_context *fc,
600 struct fs_context *src_fc)
604 static inline int security_fs_context_parse_param(struct fs_context *fc,
605 struct fs_parameter *param)
610 static inline int security_sb_alloc(struct super_block *sb)
615 static inline void security_sb_free(struct super_block *sb)
618 static inline int security_sb_eat_lsm_opts(char *options,
624 static inline int security_sb_remount(struct super_block *sb,
630 static inline int security_sb_kern_mount(struct super_block *sb)
635 static inline int security_sb_show_options(struct seq_file *m,
636 struct super_block *sb)
641 static inline int security_sb_statfs(struct dentry *dentry)
646 static inline int security_sb_mount(const char *dev_name, const struct path *path,
647 const char *type, unsigned long flags,
653 static inline int security_sb_umount(struct vfsmount *mnt, int flags)
658 static inline int security_sb_pivotroot(const struct path *old_path,
659 const struct path *new_path)
664 static inline int security_sb_set_mnt_opts(struct super_block *sb,
666 unsigned long kern_flags,
667 unsigned long *set_kern_flags)
672 static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
673 struct super_block *newsb,
674 unsigned long kern_flags,
675 unsigned long *set_kern_flags)
680 static inline int security_add_mnt_opt(const char *option, const char *val,
681 int len, void **mnt_opts)
686 static inline int security_move_mount(const struct path *from_path,
687 const struct path *to_path)
692 static inline int security_path_notify(const struct path *path, u64 mask,
693 unsigned int obj_type)
698 static inline int security_inode_alloc(struct inode *inode)
703 static inline void security_inode_free(struct inode *inode)
706 static inline int security_dentry_init_security(struct dentry *dentry,
708 const struct qstr *name,
715 static inline int security_dentry_create_files_as(struct dentry *dentry,
716 int mode, struct qstr *name,
717 const struct cred *old,
724 static inline int security_inode_init_security(struct inode *inode,
726 const struct qstr *qstr,
727 const initxattrs xattrs,
733 static inline int security_old_inode_init_security(struct inode *inode,
735 const struct qstr *qstr,
737 void **value, size_t *len)
742 static inline int security_inode_create(struct inode *dir,
743 struct dentry *dentry,
749 static inline int security_inode_link(struct dentry *old_dentry,
751 struct dentry *new_dentry)
756 static inline int security_inode_unlink(struct inode *dir,
757 struct dentry *dentry)
762 static inline int security_inode_symlink(struct inode *dir,
763 struct dentry *dentry,
764 const char *old_name)
769 static inline int security_inode_mkdir(struct inode *dir,
770 struct dentry *dentry,
776 static inline int security_inode_rmdir(struct inode *dir,
777 struct dentry *dentry)
782 static inline int security_inode_mknod(struct inode *dir,
783 struct dentry *dentry,
789 static inline int security_inode_rename(struct inode *old_dir,
790 struct dentry *old_dentry,
791 struct inode *new_dir,
792 struct dentry *new_dentry,
798 static inline int security_inode_readlink(struct dentry *dentry)
803 static inline int security_inode_follow_link(struct dentry *dentry,
810 static inline int security_inode_permission(struct inode *inode, int mask)
815 static inline int security_inode_setattr(struct dentry *dentry,
821 static inline int security_inode_getattr(const struct path *path)
826 static inline int security_inode_setxattr(struct dentry *dentry,
827 const char *name, const void *value, size_t size, int flags)
829 return cap_inode_setxattr(dentry, name, value, size, flags);
832 static inline void security_inode_post_setxattr(struct dentry *dentry,
833 const char *name, const void *value, size_t size, int flags)
836 static inline int security_inode_getxattr(struct dentry *dentry,
842 static inline int security_inode_listxattr(struct dentry *dentry)
847 static inline int security_inode_removexattr(struct dentry *dentry,
850 return cap_inode_removexattr(dentry, name);
853 static inline int security_inode_need_killpriv(struct dentry *dentry)
855 return cap_inode_need_killpriv(dentry);
858 static inline int security_inode_killpriv(struct dentry *dentry)
860 return cap_inode_killpriv(dentry);
863 static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
868 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
873 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
878 static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
883 static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
888 static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
889 struct kernfs_node *kn)
894 static inline int security_inode_copy_up_xattr(const char *name)
899 static inline int security_file_permission(struct file *file, int mask)
904 static inline int security_file_alloc(struct file *file)
909 static inline void security_file_free(struct file *file)
912 static inline int security_file_ioctl(struct file *file, unsigned int cmd,
918 static inline int security_mmap_file(struct file *file, unsigned long prot,
924 static inline int security_mmap_addr(unsigned long addr)
926 return cap_mmap_addr(addr);
929 static inline int security_file_mprotect(struct vm_area_struct *vma,
930 unsigned long reqprot,
936 static inline int security_file_lock(struct file *file, unsigned int cmd)
941 static inline int security_file_fcntl(struct file *file, unsigned int cmd,
947 static inline void security_file_set_fowner(struct file *file)
952 static inline int security_file_send_sigiotask(struct task_struct *tsk,
953 struct fown_struct *fown,
959 static inline int security_file_receive(struct file *file)
964 static inline int security_file_open(struct file *file)
969 static inline int security_task_alloc(struct task_struct *task,
970 unsigned long clone_flags)
975 static inline void security_task_free(struct task_struct *task)
978 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
983 static inline void security_cred_free(struct cred *cred)
986 static inline int security_prepare_creds(struct cred *new,
987 const struct cred *old,
993 static inline void security_transfer_creds(struct cred *new,
994 const struct cred *old)
998 static inline int security_kernel_act_as(struct cred *cred, u32 secid)
1003 static inline int security_kernel_create_files_as(struct cred *cred,
1004 struct inode *inode)
1009 static inline int security_kernel_module_request(char *kmod_name)
1014 static inline int security_kernel_load_data(enum kernel_load_data_id id)
1019 static inline int security_kernel_read_file(struct file *file,
1020 enum kernel_read_file_id id)
1025 static inline int security_kernel_post_read_file(struct file *file,
1026 char *buf, loff_t size,
1027 enum kernel_read_file_id id)
1032 static inline int security_task_fix_setuid(struct cred *new,
1033 const struct cred *old,
1036 return cap_task_fix_setuid(new, old, flags);
1039 static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1044 static inline int security_task_getpgid(struct task_struct *p)
1049 static inline int security_task_getsid(struct task_struct *p)
1054 static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
1059 static inline int security_task_setnice(struct task_struct *p, int nice)
1061 return cap_task_setnice(p, nice);
1064 static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1066 return cap_task_setioprio(p, ioprio);
1069 static inline int security_task_getioprio(struct task_struct *p)
1074 static inline int security_task_prlimit(const struct cred *cred,
1075 const struct cred *tcred,
1081 static inline int security_task_setrlimit(struct task_struct *p,
1082 unsigned int resource,
1083 struct rlimit *new_rlim)
1088 static inline int security_task_setscheduler(struct task_struct *p)
1090 return cap_task_setscheduler(p);
1093 static inline int security_task_getscheduler(struct task_struct *p)
1098 static inline int security_task_movememory(struct task_struct *p)
1103 static inline int security_task_kill(struct task_struct *p,
1104 struct kernel_siginfo *info, int sig,
1105 const struct cred *cred)
1110 static inline int security_task_prctl(int option, unsigned long arg2,
1115 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1118 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1121 static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1127 static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1132 static inline int security_msg_msg_alloc(struct msg_msg *msg)
1137 static inline void security_msg_msg_free(struct msg_msg *msg)
1140 static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1145 static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1148 static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1154 static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1159 static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1160 struct msg_msg *msg, int msqflg)
1165 static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1166 struct msg_msg *msg,
1167 struct task_struct *target,
1168 long type, int mode)
1173 static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1178 static inline void security_shm_free(struct kern_ipc_perm *shp)
1181 static inline int security_shm_associate(struct kern_ipc_perm *shp,
1187 static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1192 static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1193 char __user *shmaddr, int shmflg)
1198 static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1203 static inline void security_sem_free(struct kern_ipc_perm *sma)
1206 static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1211 static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1216 static inline int security_sem_semop(struct kern_ipc_perm *sma,
1217 struct sembuf *sops, unsigned nsops,
1223 static inline void security_d_instantiate(struct dentry *dentry,
1224 struct inode *inode)
1227 static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1228 char *name, char **value)
1233 static inline int security_setprocattr(const char *lsm, char *name,
1234 void *value, size_t size)
1239 static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1244 static inline int security_ismaclabel(const char *name)
1249 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1254 static inline int security_secctx_to_secid(const char *secdata,
1261 static inline void security_release_secctx(char *secdata, u32 seclen)
1265 static inline void security_inode_invalidate_secctx(struct inode *inode)
1269 static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1273 static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1277 static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1281 static inline int security_locked_down(enum lockdown_reason what)
1285 #endif /* CONFIG_SECURITY */
1287 #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
1288 int security_post_notification(const struct cred *w_cred,
1289 const struct cred *cred,
1290 struct watch_notification *n);
1292 static inline int security_post_notification(const struct cred *w_cred,
1293 const struct cred *cred,
1294 struct watch_notification *n)
1300 #if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
1301 int security_watch_key(struct key *key);
1303 static inline int security_watch_key(struct key *key)
1309 #ifdef CONFIG_SECURITY_NETWORK
1311 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1312 int security_unix_may_send(struct socket *sock, struct socket *other);
1313 int security_socket_create(int family, int type, int protocol, int kern);
1314 int security_socket_post_create(struct socket *sock, int family,
1315 int type, int protocol, int kern);
1316 int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1317 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1318 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1319 int security_socket_listen(struct socket *sock, int backlog);
1320 int security_socket_accept(struct socket *sock, struct socket *newsock);
1321 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1322 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1323 int size, int flags);
1324 int security_socket_getsockname(struct socket *sock);
1325 int security_socket_getpeername(struct socket *sock);
1326 int security_socket_getsockopt(struct socket *sock, int level, int optname);
1327 int security_socket_setsockopt(struct socket *sock, int level, int optname);
1328 int security_socket_shutdown(struct socket *sock, int how);
1329 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1330 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1331 int __user *optlen, unsigned len);
1332 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1333 int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1334 void security_sk_free(struct sock *sk);
1335 void security_sk_clone(const struct sock *sk, struct sock *newsk);
1336 void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
1337 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
1338 void security_sock_graft(struct sock*sk, struct socket *parent);
1339 int security_inet_conn_request(struct sock *sk,
1340 struct sk_buff *skb, struct request_sock *req);
1341 void security_inet_csk_clone(struct sock *newsk,
1342 const struct request_sock *req);
1343 void security_inet_conn_established(struct sock *sk,
1344 struct sk_buff *skb);
1345 int security_secmark_relabel_packet(u32 secid);
1346 void security_secmark_refcount_inc(void);
1347 void security_secmark_refcount_dec(void);
1348 int security_tun_dev_alloc_security(void **security);
1349 void security_tun_dev_free_security(void *security);
1350 int security_tun_dev_create(void);
1351 int security_tun_dev_attach_queue(void *security);
1352 int security_tun_dev_attach(struct sock *sk, void *security);
1353 int security_tun_dev_open(void *security);
1354 int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb);
1355 int security_sctp_bind_connect(struct sock *sk, int optname,
1356 struct sockaddr *address, int addrlen);
1357 void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
1358 struct sock *newsk);
1360 #else /* CONFIG_SECURITY_NETWORK */
1361 static inline int security_unix_stream_connect(struct sock *sock,
1368 static inline int security_unix_may_send(struct socket *sock,
1369 struct socket *other)
1374 static inline int security_socket_create(int family, int type,
1375 int protocol, int kern)
1380 static inline int security_socket_post_create(struct socket *sock,
1383 int protocol, int kern)
1388 static inline int security_socket_socketpair(struct socket *socka,
1389 struct socket *sockb)
1394 static inline int security_socket_bind(struct socket *sock,
1395 struct sockaddr *address,
1401 static inline int security_socket_connect(struct socket *sock,
1402 struct sockaddr *address,
1408 static inline int security_socket_listen(struct socket *sock, int backlog)
1413 static inline int security_socket_accept(struct socket *sock,
1414 struct socket *newsock)
1419 static inline int security_socket_sendmsg(struct socket *sock,
1420 struct msghdr *msg, int size)
1425 static inline int security_socket_recvmsg(struct socket *sock,
1426 struct msghdr *msg, int size,
1432 static inline int security_socket_getsockname(struct socket *sock)
1437 static inline int security_socket_getpeername(struct socket *sock)
1442 static inline int security_socket_getsockopt(struct socket *sock,
1443 int level, int optname)
1448 static inline int security_socket_setsockopt(struct socket *sock,
1449 int level, int optname)
1454 static inline int security_socket_shutdown(struct socket *sock, int how)
1458 static inline int security_sock_rcv_skb(struct sock *sk,
1459 struct sk_buff *skb)
1464 static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1465 int __user *optlen, unsigned len)
1467 return -ENOPROTOOPT;
1470 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1472 return -ENOPROTOOPT;
1475 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1480 static inline void security_sk_free(struct sock *sk)
1484 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1488 static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1492 static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1496 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1500 static inline int security_inet_conn_request(struct sock *sk,
1501 struct sk_buff *skb, struct request_sock *req)
1506 static inline void security_inet_csk_clone(struct sock *newsk,
1507 const struct request_sock *req)
1511 static inline void security_inet_conn_established(struct sock *sk,
1512 struct sk_buff *skb)
1516 static inline int security_secmark_relabel_packet(u32 secid)
1521 static inline void security_secmark_refcount_inc(void)
1525 static inline void security_secmark_refcount_dec(void)
1529 static inline int security_tun_dev_alloc_security(void **security)
1534 static inline void security_tun_dev_free_security(void *security)
1538 static inline int security_tun_dev_create(void)
1543 static inline int security_tun_dev_attach_queue(void *security)
1548 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1553 static inline int security_tun_dev_open(void *security)
1558 static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
1559 struct sk_buff *skb)
1564 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1565 struct sockaddr *address,
1571 static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
1576 #endif /* CONFIG_SECURITY_NETWORK */
1578 #ifdef CONFIG_SECURITY_INFINIBAND
1579 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1580 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1581 int security_ib_alloc_security(void **sec);
1582 void security_ib_free_security(void *sec);
1583 #else /* CONFIG_SECURITY_INFINIBAND */
1584 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1589 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1594 static inline int security_ib_alloc_security(void **sec)
1599 static inline void security_ib_free_security(void *sec)
1602 #endif /* CONFIG_SECURITY_INFINIBAND */
1604 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1606 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1607 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1608 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1609 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1610 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1611 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1612 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1613 struct xfrm_sec_ctx *polsec, u32 secid);
1614 int security_xfrm_state_delete(struct xfrm_state *x);
1615 void security_xfrm_state_free(struct xfrm_state *x);
1616 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
1617 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1618 struct xfrm_policy *xp,
1619 const struct flowi *fl);
1620 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1621 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
1623 #else /* CONFIG_SECURITY_NETWORK_XFRM */
1625 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1626 struct xfrm_user_sec_ctx *sec_ctx,
1632 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1637 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1641 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1646 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1647 struct xfrm_user_sec_ctx *sec_ctx)
1652 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1653 struct xfrm_sec_ctx *polsec, u32 secid)
1658 static inline void security_xfrm_state_free(struct xfrm_state *x)
1662 static inline int security_xfrm_state_delete(struct xfrm_state *x)
1667 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1672 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1673 struct xfrm_policy *xp, const struct flowi *fl)
1678 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1683 static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1687 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1689 #ifdef CONFIG_SECURITY_PATH
1690 int security_path_unlink(const struct path *dir, struct dentry *dentry);
1691 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1692 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1693 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1695 int security_path_truncate(const struct path *path);
1696 int security_path_symlink(const struct path *dir, struct dentry *dentry,
1697 const char *old_name);
1698 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1699 struct dentry *new_dentry);
1700 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1701 const struct path *new_dir, struct dentry *new_dentry,
1702 unsigned int flags);
1703 int security_path_chmod(const struct path *path, umode_t mode);
1704 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1705 int security_path_chroot(const struct path *path);
1706 #else /* CONFIG_SECURITY_PATH */
1707 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1712 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1718 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1723 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1724 umode_t mode, unsigned int dev)
1729 static inline int security_path_truncate(const struct path *path)
1734 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1735 const char *old_name)
1740 static inline int security_path_link(struct dentry *old_dentry,
1741 const struct path *new_dir,
1742 struct dentry *new_dentry)
1747 static inline int security_path_rename(const struct path *old_dir,
1748 struct dentry *old_dentry,
1749 const struct path *new_dir,
1750 struct dentry *new_dentry,
1756 static inline int security_path_chmod(const struct path *path, umode_t mode)
1761 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1766 static inline int security_path_chroot(const struct path *path)
1770 #endif /* CONFIG_SECURITY_PATH */
1773 #ifdef CONFIG_SECURITY
1775 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1776 void security_key_free(struct key *key);
1777 int security_key_permission(key_ref_t key_ref, const struct cred *cred,
1778 enum key_need_perm need_perm);
1779 int security_key_getsecurity(struct key *key, char **_buffer);
1783 static inline int security_key_alloc(struct key *key,
1784 const struct cred *cred,
1785 unsigned long flags)
1790 static inline void security_key_free(struct key *key)
1794 static inline int security_key_permission(key_ref_t key_ref,
1795 const struct cred *cred,
1796 enum key_need_perm need_perm)
1801 static inline int security_key_getsecurity(struct key *key, char **_buffer)
1808 #endif /* CONFIG_KEYS */
1811 #ifdef CONFIG_SECURITY
1812 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1813 int security_audit_rule_known(struct audit_krule *krule);
1814 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1815 void security_audit_rule_free(void *lsmrule);
1819 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1825 static inline int security_audit_rule_known(struct audit_krule *krule)
1830 static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1836 static inline void security_audit_rule_free(void *lsmrule)
1839 #endif /* CONFIG_SECURITY */
1840 #endif /* CONFIG_AUDIT */
1842 #ifdef CONFIG_SECURITYFS
1844 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1845 struct dentry *parent, void *data,
1846 const struct file_operations *fops);
1847 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1848 struct dentry *securityfs_create_symlink(const char *name,
1849 struct dentry *parent,
1851 const struct inode_operations *iops);
1852 extern void securityfs_remove(struct dentry *dentry);
1854 #else /* CONFIG_SECURITYFS */
1856 static inline struct dentry *securityfs_create_dir(const char *name,
1857 struct dentry *parent)
1859 return ERR_PTR(-ENODEV);
1862 static inline struct dentry *securityfs_create_file(const char *name,
1864 struct dentry *parent,
1866 const struct file_operations *fops)
1868 return ERR_PTR(-ENODEV);
1871 static inline struct dentry *securityfs_create_symlink(const char *name,
1872 struct dentry *parent,
1874 const struct inode_operations *iops)
1876 return ERR_PTR(-ENODEV);
1879 static inline void securityfs_remove(struct dentry *dentry)
1884 #ifdef CONFIG_BPF_SYSCALL
1888 struct bpf_prog_aux;
1889 #ifdef CONFIG_SECURITY
1890 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1891 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1892 extern int security_bpf_prog(struct bpf_prog *prog);
1893 extern int security_bpf_map_alloc(struct bpf_map *map);
1894 extern void security_bpf_map_free(struct bpf_map *map);
1895 extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1896 extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1898 static inline int security_bpf(int cmd, union bpf_attr *attr,
1904 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1909 static inline int security_bpf_prog(struct bpf_prog *prog)
1914 static inline int security_bpf_map_alloc(struct bpf_map *map)
1919 static inline void security_bpf_map_free(struct bpf_map *map)
1922 static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1927 static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
1929 #endif /* CONFIG_SECURITY */
1930 #endif /* CONFIG_BPF_SYSCALL */
1932 #ifdef CONFIG_PERF_EVENTS
1933 struct perf_event_attr;
1936 #ifdef CONFIG_SECURITY
1937 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
1938 extern int security_perf_event_alloc(struct perf_event *event);
1939 extern void security_perf_event_free(struct perf_event *event);
1940 extern int security_perf_event_read(struct perf_event *event);
1941 extern int security_perf_event_write(struct perf_event *event);
1943 static inline int security_perf_event_open(struct perf_event_attr *attr,
1949 static inline int security_perf_event_alloc(struct perf_event *event)
1954 static inline void security_perf_event_free(struct perf_event *event)
1958 static inline int security_perf_event_read(struct perf_event *event)
1963 static inline int security_perf_event_write(struct perf_event *event)
1967 #endif /* CONFIG_SECURITY */
1968 #endif /* CONFIG_PERF_EVENTS */
1970 #endif /* ! __LINUX_SECURITY_H */