4 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
5 * Copyright (C) 2001 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
7 * Copyright (C) 2001 James Morris <jmorris@intercode.com.au>
8 * Copyright (C) 2001 Silicon Graphics, Inc. (Trust Technology Group)
9 * Copyright (C) 2016 Mellanox Techonologies
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * Due to this file being licensed under the GPL there is controversy over
17 * whether this permits you to write a module that #includes this file
18 * without placing your module under the GPL. Please consult a lawyer for
19 * advice before doing this.
23 #ifndef __LINUX_SECURITY_H
24 #define __LINUX_SECURITY_H
26 #include <linux/kernel_read_file.h>
27 #include <linux/key.h>
28 #include <linux/capability.h>
30 #include <linux/slab.h>
31 #include <linux/err.h>
32 #include <linux/string.h>
38 struct kernel_siginfo;
51 struct file_operations;
61 struct watch_notification;
63 /* Default (no) options for the capable function */
64 #define CAP_OPT_NONE 0x0
65 /* If capable should audit the security request */
66 #define CAP_OPT_NOAUDIT BIT(1)
67 /* If capable is being called by a setid function */
68 #define CAP_OPT_INSETID BIT(2)
70 /* LSM Agnostic defines for fs_context::lsm_flags */
71 #define SECURITY_LSM_NATIVE_LABELS 1
75 struct user_namespace;
83 * These are reasons that can be passed to the security_locked_down()
84 * LSM hook. Lockdown reasons that protect kernel integrity (ie, the
85 * ability for userland to modify kernel code) are placed before
86 * LOCKDOWN_INTEGRITY_MAX. Lockdown reasons that protect kernel
87 * confidentiality (ie, the ability for userland to extract
88 * information from the running kernel that would otherwise be
89 * restricted) are placed before LOCKDOWN_CONFIDENTIALITY_MAX.
91 * LSM authors should note that the semantics of any given lockdown
92 * reason are not guaranteed to be stable - the same reason may block
93 * one set of features in one kernel release, and a slightly different
94 * set of features in a later kernel release. LSMs that seek to expose
95 * lockdown policy at any level of granularity other than "none",
96 * "integrity" or "confidentiality" are responsible for either
97 * ensuring that they expose a consistent level of functionality to
98 * userland, or ensuring that userland is aware that this is
99 * potentially a moving target. It is easy to misuse this information
100 * in a way that could break userspace. Please be careful not to do
103 * If you add to this, remember to extend lockdown_reasons in
104 * security/lockdown/lockdown.c.
106 enum lockdown_reason {
108 LOCKDOWN_MODULE_SIGNATURE,
112 LOCKDOWN_HIBERNATION,
116 LOCKDOWN_ACPI_TABLES,
118 LOCKDOWN_TIOCSSERIAL,
119 LOCKDOWN_MODULE_PARAMETERS,
123 LOCKDOWN_INTEGRITY_MAX,
130 LOCKDOWN_XFRM_SECRET,
131 LOCKDOWN_CONFIDENTIALITY_MAX,
134 extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
136 /* These functions are in security/commoncap.c */
137 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
138 int cap, unsigned int opts);
139 extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
140 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
141 extern int cap_ptrace_traceme(struct task_struct *parent);
142 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
143 extern int cap_capset(struct cred *new, const struct cred *old,
144 const kernel_cap_t *effective,
145 const kernel_cap_t *inheritable,
146 const kernel_cap_t *permitted);
147 extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
148 int cap_inode_setxattr(struct dentry *dentry, const char *name,
149 const void *value, size_t size, int flags);
150 int cap_inode_removexattr(struct user_namespace *mnt_userns,
151 struct dentry *dentry, const char *name);
152 int cap_inode_need_killpriv(struct dentry *dentry);
153 int cap_inode_killpriv(struct user_namespace *mnt_userns,
154 struct dentry *dentry);
155 int cap_inode_getsecurity(struct user_namespace *mnt_userns,
156 struct inode *inode, const char *name, void **buffer,
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(struct task_struct *mgr);
261 int security_binder_transaction(struct task_struct *from,
262 struct task_struct *to);
263 int security_binder_transfer_binder(struct task_struct *from,
264 struct task_struct *to);
265 int security_binder_transfer_file(struct task_struct *from,
266 struct task_struct *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_inode_init_security_anon(struct inode *inode,
331 const struct qstr *name,
332 const struct inode *context_inode);
333 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
334 const struct qstr *qstr, const char **name,
335 void **value, size_t *len);
336 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
337 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
338 struct dentry *new_dentry);
339 int security_inode_unlink(struct inode *dir, struct dentry *dentry);
340 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
341 const char *old_name);
342 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
343 int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
344 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
345 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
346 struct inode *new_dir, struct dentry *new_dentry,
348 int security_inode_readlink(struct dentry *dentry);
349 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
351 int security_inode_permission(struct inode *inode, int mask);
352 int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
353 int security_inode_getattr(const struct path *path);
354 int security_inode_setxattr(struct user_namespace *mnt_userns,
355 struct dentry *dentry, const char *name,
356 const void *value, size_t size, int flags);
357 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
358 const void *value, size_t size, int flags);
359 int security_inode_getxattr(struct dentry *dentry, const char *name);
360 int security_inode_listxattr(struct dentry *dentry);
361 int security_inode_removexattr(struct user_namespace *mnt_userns,
362 struct dentry *dentry, const char *name);
363 int security_inode_need_killpriv(struct dentry *dentry);
364 int security_inode_killpriv(struct user_namespace *mnt_userns,
365 struct dentry *dentry);
366 int security_inode_getsecurity(struct user_namespace *mnt_userns,
367 struct inode *inode, const char *name,
368 void **buffer, bool alloc);
369 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
370 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
371 void security_inode_getsecid(struct inode *inode, u32 *secid);
372 int security_inode_copy_up(struct dentry *src, struct cred **new);
373 int security_inode_copy_up_xattr(const char *name);
374 int security_kernfs_init_security(struct kernfs_node *kn_dir,
375 struct kernfs_node *kn);
376 int security_file_permission(struct file *file, int mask);
377 int security_file_alloc(struct file *file);
378 void security_file_free(struct file *file);
379 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
380 int security_mmap_file(struct file *file, unsigned long prot,
381 unsigned long flags);
382 int security_mmap_addr(unsigned long addr);
383 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
385 int security_file_lock(struct file *file, unsigned int cmd);
386 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
387 void security_file_set_fowner(struct file *file);
388 int security_file_send_sigiotask(struct task_struct *tsk,
389 struct fown_struct *fown, int sig);
390 int security_file_receive(struct file *file);
391 int security_file_open(struct file *file);
392 int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
393 void security_task_free(struct task_struct *task);
394 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
395 void security_cred_free(struct cred *cred);
396 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
397 void security_transfer_creds(struct cred *new, const struct cred *old);
398 void security_cred_getsecid(const struct cred *c, u32 *secid);
399 int security_kernel_act_as(struct cred *new, u32 secid);
400 int security_kernel_create_files_as(struct cred *new, struct inode *inode);
401 int security_kernel_module_request(char *kmod_name);
402 int security_kernel_load_data(enum kernel_load_data_id id, bool contents);
403 int security_kernel_post_load_data(char *buf, loff_t size,
404 enum kernel_load_data_id id,
406 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id,
408 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
409 enum kernel_read_file_id id);
410 int security_task_fix_setuid(struct cred *new, const struct cred *old,
412 int security_task_fix_setgid(struct cred *new, const struct cred *old,
414 int security_task_setpgid(struct task_struct *p, pid_t pgid);
415 int security_task_getpgid(struct task_struct *p);
416 int security_task_getsid(struct task_struct *p);
417 void security_task_getsecid(struct task_struct *p, u32 *secid);
418 int security_task_setnice(struct task_struct *p, int nice);
419 int security_task_setioprio(struct task_struct *p, int ioprio);
420 int security_task_getioprio(struct task_struct *p);
421 int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
423 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
424 struct rlimit *new_rlim);
425 int security_task_setscheduler(struct task_struct *p);
426 int security_task_getscheduler(struct task_struct *p);
427 int security_task_movememory(struct task_struct *p);
428 int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
429 int sig, const struct cred *cred);
430 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
431 unsigned long arg4, unsigned long arg5);
432 void security_task_to_inode(struct task_struct *p, struct inode *inode);
433 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
434 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
435 int security_msg_msg_alloc(struct msg_msg *msg);
436 void security_msg_msg_free(struct msg_msg *msg);
437 int security_msg_queue_alloc(struct kern_ipc_perm *msq);
438 void security_msg_queue_free(struct kern_ipc_perm *msq);
439 int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
440 int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
441 int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
442 struct msg_msg *msg, int msqflg);
443 int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
444 struct task_struct *target, long type, int mode);
445 int security_shm_alloc(struct kern_ipc_perm *shp);
446 void security_shm_free(struct kern_ipc_perm *shp);
447 int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
448 int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
449 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
450 int security_sem_alloc(struct kern_ipc_perm *sma);
451 void security_sem_free(struct kern_ipc_perm *sma);
452 int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
453 int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
454 int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
455 unsigned nsops, int alter);
456 void security_d_instantiate(struct dentry *dentry, struct inode *inode);
457 int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
459 int security_setprocattr(const char *lsm, const char *name, void *value,
461 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
462 int security_ismaclabel(const char *name);
463 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
464 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
465 void security_release_secctx(char *secdata, u32 seclen);
466 void security_inode_invalidate_secctx(struct inode *inode);
467 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
468 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
469 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
470 int security_locked_down(enum lockdown_reason what);
471 #else /* CONFIG_SECURITY */
473 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
478 static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
483 static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
488 static inline void security_free_mnt_opts(void **mnt_opts)
493 * This is the default capabilities functionality. Most of these functions
494 * are just stubbed out, but a few must call the proper capable code.
497 static inline int security_init(void)
502 static inline int early_security_init(void)
507 static inline int security_binder_set_context_mgr(struct task_struct *mgr)
512 static inline int security_binder_transaction(struct task_struct *from,
513 struct task_struct *to)
518 static inline int security_binder_transfer_binder(struct task_struct *from,
519 struct task_struct *to)
524 static inline int security_binder_transfer_file(struct task_struct *from,
525 struct task_struct *to,
531 static inline int security_ptrace_access_check(struct task_struct *child,
534 return cap_ptrace_access_check(child, mode);
537 static inline int security_ptrace_traceme(struct task_struct *parent)
539 return cap_ptrace_traceme(parent);
542 static inline int security_capget(struct task_struct *target,
543 kernel_cap_t *effective,
544 kernel_cap_t *inheritable,
545 kernel_cap_t *permitted)
547 return cap_capget(target, effective, inheritable, permitted);
550 static inline int security_capset(struct cred *new,
551 const struct cred *old,
552 const kernel_cap_t *effective,
553 const kernel_cap_t *inheritable,
554 const kernel_cap_t *permitted)
556 return cap_capset(new, old, effective, inheritable, permitted);
559 static inline int security_capable(const struct cred *cred,
560 struct user_namespace *ns,
564 return cap_capable(cred, ns, cap, opts);
567 static inline int security_quotactl(int cmds, int type, int id,
568 struct super_block *sb)
573 static inline int security_quota_on(struct dentry *dentry)
578 static inline int security_syslog(int type)
583 static inline int security_settime64(const struct timespec64 *ts,
584 const struct timezone *tz)
586 return cap_settime(ts, tz);
589 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
591 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
594 static inline int security_bprm_creds_for_exec(struct linux_binprm *bprm)
599 static inline int security_bprm_creds_from_file(struct linux_binprm *bprm,
602 return cap_bprm_creds_from_file(bprm, file);
605 static inline int security_bprm_check(struct linux_binprm *bprm)
610 static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
614 static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
618 static inline int security_fs_context_dup(struct fs_context *fc,
619 struct fs_context *src_fc)
623 static inline int security_fs_context_parse_param(struct fs_context *fc,
624 struct fs_parameter *param)
629 static inline int security_sb_alloc(struct super_block *sb)
634 static inline void security_sb_free(struct super_block *sb)
637 static inline int security_sb_eat_lsm_opts(char *options,
643 static inline int security_sb_remount(struct super_block *sb,
649 static inline int security_sb_kern_mount(struct super_block *sb)
654 static inline int security_sb_show_options(struct seq_file *m,
655 struct super_block *sb)
660 static inline int security_sb_statfs(struct dentry *dentry)
665 static inline int security_sb_mount(const char *dev_name, const struct path *path,
666 const char *type, unsigned long flags,
672 static inline int security_sb_umount(struct vfsmount *mnt, int flags)
677 static inline int security_sb_pivotroot(const struct path *old_path,
678 const struct path *new_path)
683 static inline int security_sb_set_mnt_opts(struct super_block *sb,
685 unsigned long kern_flags,
686 unsigned long *set_kern_flags)
691 static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
692 struct super_block *newsb,
693 unsigned long kern_flags,
694 unsigned long *set_kern_flags)
699 static inline int security_add_mnt_opt(const char *option, const char *val,
700 int len, void **mnt_opts)
705 static inline int security_move_mount(const struct path *from_path,
706 const struct path *to_path)
711 static inline int security_path_notify(const struct path *path, u64 mask,
712 unsigned int obj_type)
717 static inline int security_inode_alloc(struct inode *inode)
722 static inline void security_inode_free(struct inode *inode)
725 static inline int security_dentry_init_security(struct dentry *dentry,
727 const struct qstr *name,
734 static inline int security_dentry_create_files_as(struct dentry *dentry,
735 int mode, struct qstr *name,
736 const struct cred *old,
743 static inline int security_inode_init_security(struct inode *inode,
745 const struct qstr *qstr,
746 const initxattrs xattrs,
752 static inline int security_inode_init_security_anon(struct inode *inode,
753 const struct qstr *name,
754 const struct inode *context_inode)
759 static inline int security_old_inode_init_security(struct inode *inode,
761 const struct qstr *qstr,
763 void **value, size_t *len)
768 static inline int security_inode_create(struct inode *dir,
769 struct dentry *dentry,
775 static inline int security_inode_link(struct dentry *old_dentry,
777 struct dentry *new_dentry)
782 static inline int security_inode_unlink(struct inode *dir,
783 struct dentry *dentry)
788 static inline int security_inode_symlink(struct inode *dir,
789 struct dentry *dentry,
790 const char *old_name)
795 static inline int security_inode_mkdir(struct inode *dir,
796 struct dentry *dentry,
802 static inline int security_inode_rmdir(struct inode *dir,
803 struct dentry *dentry)
808 static inline int security_inode_mknod(struct inode *dir,
809 struct dentry *dentry,
815 static inline int security_inode_rename(struct inode *old_dir,
816 struct dentry *old_dentry,
817 struct inode *new_dir,
818 struct dentry *new_dentry,
824 static inline int security_inode_readlink(struct dentry *dentry)
829 static inline int security_inode_follow_link(struct dentry *dentry,
836 static inline int security_inode_permission(struct inode *inode, int mask)
841 static inline int security_inode_setattr(struct dentry *dentry,
847 static inline int security_inode_getattr(const struct path *path)
852 static inline int security_inode_setxattr(struct user_namespace *mnt_userns,
853 struct dentry *dentry, const char *name, const void *value,
854 size_t size, int flags)
856 return cap_inode_setxattr(dentry, name, value, size, flags);
859 static inline void security_inode_post_setxattr(struct dentry *dentry,
860 const char *name, const void *value, size_t size, int flags)
863 static inline int security_inode_getxattr(struct dentry *dentry,
869 static inline int security_inode_listxattr(struct dentry *dentry)
874 static inline int security_inode_removexattr(struct user_namespace *mnt_userns,
875 struct dentry *dentry,
878 return cap_inode_removexattr(mnt_userns, dentry, name);
881 static inline int security_inode_need_killpriv(struct dentry *dentry)
883 return cap_inode_need_killpriv(dentry);
886 static inline int security_inode_killpriv(struct user_namespace *mnt_userns,
887 struct dentry *dentry)
889 return cap_inode_killpriv(mnt_userns, dentry);
892 static inline int security_inode_getsecurity(struct user_namespace *mnt_userns,
894 const char *name, void **buffer,
897 return cap_inode_getsecurity(mnt_userns, inode, name, buffer, alloc);
900 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
905 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
910 static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
915 static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
920 static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
921 struct kernfs_node *kn)
926 static inline int security_inode_copy_up_xattr(const char *name)
931 static inline int security_file_permission(struct file *file, int mask)
936 static inline int security_file_alloc(struct file *file)
941 static inline void security_file_free(struct file *file)
944 static inline int security_file_ioctl(struct file *file, unsigned int cmd,
950 static inline int security_mmap_file(struct file *file, unsigned long prot,
956 static inline int security_mmap_addr(unsigned long addr)
958 return cap_mmap_addr(addr);
961 static inline int security_file_mprotect(struct vm_area_struct *vma,
962 unsigned long reqprot,
968 static inline int security_file_lock(struct file *file, unsigned int cmd)
973 static inline int security_file_fcntl(struct file *file, unsigned int cmd,
979 static inline void security_file_set_fowner(struct file *file)
984 static inline int security_file_send_sigiotask(struct task_struct *tsk,
985 struct fown_struct *fown,
991 static inline int security_file_receive(struct file *file)
996 static inline int security_file_open(struct file *file)
1001 static inline int security_task_alloc(struct task_struct *task,
1002 unsigned long clone_flags)
1007 static inline void security_task_free(struct task_struct *task)
1010 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
1015 static inline void security_cred_free(struct cred *cred)
1018 static inline int security_prepare_creds(struct cred *new,
1019 const struct cred *old,
1025 static inline void security_transfer_creds(struct cred *new,
1026 const struct cred *old)
1030 static inline int security_kernel_act_as(struct cred *cred, u32 secid)
1035 static inline int security_kernel_create_files_as(struct cred *cred,
1036 struct inode *inode)
1041 static inline int security_kernel_module_request(char *kmod_name)
1046 static inline int security_kernel_load_data(enum kernel_load_data_id id, bool contents)
1051 static inline int security_kernel_post_load_data(char *buf, loff_t size,
1052 enum kernel_load_data_id id,
1058 static inline int security_kernel_read_file(struct file *file,
1059 enum kernel_read_file_id id,
1065 static inline int security_kernel_post_read_file(struct file *file,
1066 char *buf, loff_t size,
1067 enum kernel_read_file_id id)
1072 static inline int security_task_fix_setuid(struct cred *new,
1073 const struct cred *old,
1076 return cap_task_fix_setuid(new, old, flags);
1079 static inline int security_task_fix_setgid(struct cred *new,
1080 const struct cred *old,
1086 static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1091 static inline int security_task_getpgid(struct task_struct *p)
1096 static inline int security_task_getsid(struct task_struct *p)
1101 static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
1106 static inline int security_task_setnice(struct task_struct *p, int nice)
1108 return cap_task_setnice(p, nice);
1111 static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1113 return cap_task_setioprio(p, ioprio);
1116 static inline int security_task_getioprio(struct task_struct *p)
1121 static inline int security_task_prlimit(const struct cred *cred,
1122 const struct cred *tcred,
1128 static inline int security_task_setrlimit(struct task_struct *p,
1129 unsigned int resource,
1130 struct rlimit *new_rlim)
1135 static inline int security_task_setscheduler(struct task_struct *p)
1137 return cap_task_setscheduler(p);
1140 static inline int security_task_getscheduler(struct task_struct *p)
1145 static inline int security_task_movememory(struct task_struct *p)
1150 static inline int security_task_kill(struct task_struct *p,
1151 struct kernel_siginfo *info, int sig,
1152 const struct cred *cred)
1157 static inline int security_task_prctl(int option, unsigned long arg2,
1162 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1165 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1168 static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1174 static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1179 static inline int security_msg_msg_alloc(struct msg_msg *msg)
1184 static inline void security_msg_msg_free(struct msg_msg *msg)
1187 static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1192 static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1195 static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1201 static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1206 static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1207 struct msg_msg *msg, int msqflg)
1212 static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1213 struct msg_msg *msg,
1214 struct task_struct *target,
1215 long type, int mode)
1220 static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1225 static inline void security_shm_free(struct kern_ipc_perm *shp)
1228 static inline int security_shm_associate(struct kern_ipc_perm *shp,
1234 static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1239 static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1240 char __user *shmaddr, int shmflg)
1245 static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1250 static inline void security_sem_free(struct kern_ipc_perm *sma)
1253 static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1258 static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1263 static inline int security_sem_semop(struct kern_ipc_perm *sma,
1264 struct sembuf *sops, unsigned nsops,
1270 static inline void security_d_instantiate(struct dentry *dentry,
1271 struct inode *inode)
1274 static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1275 char *name, char **value)
1280 static inline int security_setprocattr(const char *lsm, char *name,
1281 void *value, size_t size)
1286 static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1291 static inline int security_ismaclabel(const char *name)
1296 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1301 static inline int security_secctx_to_secid(const char *secdata,
1308 static inline void security_release_secctx(char *secdata, u32 seclen)
1312 static inline void security_inode_invalidate_secctx(struct inode *inode)
1316 static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1320 static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1324 static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1328 static inline int security_locked_down(enum lockdown_reason what)
1332 #endif /* CONFIG_SECURITY */
1334 #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
1335 int security_post_notification(const struct cred *w_cred,
1336 const struct cred *cred,
1337 struct watch_notification *n);
1339 static inline int security_post_notification(const struct cred *w_cred,
1340 const struct cred *cred,
1341 struct watch_notification *n)
1347 #if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
1348 int security_watch_key(struct key *key);
1350 static inline int security_watch_key(struct key *key)
1356 #ifdef CONFIG_SECURITY_NETWORK
1358 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1359 int security_unix_may_send(struct socket *sock, struct socket *other);
1360 int security_socket_create(int family, int type, int protocol, int kern);
1361 int security_socket_post_create(struct socket *sock, int family,
1362 int type, int protocol, int kern);
1363 int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1364 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1365 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1366 int security_socket_listen(struct socket *sock, int backlog);
1367 int security_socket_accept(struct socket *sock, struct socket *newsock);
1368 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1369 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1370 int size, int flags);
1371 int security_socket_getsockname(struct socket *sock);
1372 int security_socket_getpeername(struct socket *sock);
1373 int security_socket_getsockopt(struct socket *sock, int level, int optname);
1374 int security_socket_setsockopt(struct socket *sock, int level, int optname);
1375 int security_socket_shutdown(struct socket *sock, int how);
1376 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1377 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1378 int __user *optlen, unsigned len);
1379 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1380 int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1381 void security_sk_free(struct sock *sk);
1382 void security_sk_clone(const struct sock *sk, struct sock *newsk);
1383 void security_sk_classify_flow(struct sock *sk, struct flowi_common *flic);
1384 void security_req_classify_flow(const struct request_sock *req,
1385 struct flowi_common *flic);
1386 void security_sock_graft(struct sock*sk, struct socket *parent);
1387 int security_inet_conn_request(const struct sock *sk,
1388 struct sk_buff *skb, struct request_sock *req);
1389 void security_inet_csk_clone(struct sock *newsk,
1390 const struct request_sock *req);
1391 void security_inet_conn_established(struct sock *sk,
1392 struct sk_buff *skb);
1393 int security_secmark_relabel_packet(u32 secid);
1394 void security_secmark_refcount_inc(void);
1395 void security_secmark_refcount_dec(void);
1396 int security_tun_dev_alloc_security(void **security);
1397 void security_tun_dev_free_security(void *security);
1398 int security_tun_dev_create(void);
1399 int security_tun_dev_attach_queue(void *security);
1400 int security_tun_dev_attach(struct sock *sk, void *security);
1401 int security_tun_dev_open(void *security);
1402 int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb);
1403 int security_sctp_bind_connect(struct sock *sk, int optname,
1404 struct sockaddr *address, int addrlen);
1405 void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
1406 struct sock *newsk);
1408 #else /* CONFIG_SECURITY_NETWORK */
1409 static inline int security_unix_stream_connect(struct sock *sock,
1416 static inline int security_unix_may_send(struct socket *sock,
1417 struct socket *other)
1422 static inline int security_socket_create(int family, int type,
1423 int protocol, int kern)
1428 static inline int security_socket_post_create(struct socket *sock,
1431 int protocol, int kern)
1436 static inline int security_socket_socketpair(struct socket *socka,
1437 struct socket *sockb)
1442 static inline int security_socket_bind(struct socket *sock,
1443 struct sockaddr *address,
1449 static inline int security_socket_connect(struct socket *sock,
1450 struct sockaddr *address,
1456 static inline int security_socket_listen(struct socket *sock, int backlog)
1461 static inline int security_socket_accept(struct socket *sock,
1462 struct socket *newsock)
1467 static inline int security_socket_sendmsg(struct socket *sock,
1468 struct msghdr *msg, int size)
1473 static inline int security_socket_recvmsg(struct socket *sock,
1474 struct msghdr *msg, int size,
1480 static inline int security_socket_getsockname(struct socket *sock)
1485 static inline int security_socket_getpeername(struct socket *sock)
1490 static inline int security_socket_getsockopt(struct socket *sock,
1491 int level, int optname)
1496 static inline int security_socket_setsockopt(struct socket *sock,
1497 int level, int optname)
1502 static inline int security_socket_shutdown(struct socket *sock, int how)
1506 static inline int security_sock_rcv_skb(struct sock *sk,
1507 struct sk_buff *skb)
1512 static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1513 int __user *optlen, unsigned len)
1515 return -ENOPROTOOPT;
1518 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1520 return -ENOPROTOOPT;
1523 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1528 static inline void security_sk_free(struct sock *sk)
1532 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1536 static inline void security_sk_classify_flow(struct sock *sk,
1537 struct flowi_common *flic)
1541 static inline void security_req_classify_flow(const struct request_sock *req,
1542 struct flowi_common *flic)
1546 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1550 static inline int security_inet_conn_request(const struct sock *sk,
1551 struct sk_buff *skb, struct request_sock *req)
1556 static inline void security_inet_csk_clone(struct sock *newsk,
1557 const struct request_sock *req)
1561 static inline void security_inet_conn_established(struct sock *sk,
1562 struct sk_buff *skb)
1566 static inline int security_secmark_relabel_packet(u32 secid)
1571 static inline void security_secmark_refcount_inc(void)
1575 static inline void security_secmark_refcount_dec(void)
1579 static inline int security_tun_dev_alloc_security(void **security)
1584 static inline void security_tun_dev_free_security(void *security)
1588 static inline int security_tun_dev_create(void)
1593 static inline int security_tun_dev_attach_queue(void *security)
1598 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1603 static inline int security_tun_dev_open(void *security)
1608 static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
1609 struct sk_buff *skb)
1614 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1615 struct sockaddr *address,
1621 static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
1626 #endif /* CONFIG_SECURITY_NETWORK */
1628 #ifdef CONFIG_SECURITY_INFINIBAND
1629 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1630 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1631 int security_ib_alloc_security(void **sec);
1632 void security_ib_free_security(void *sec);
1633 #else /* CONFIG_SECURITY_INFINIBAND */
1634 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1639 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1644 static inline int security_ib_alloc_security(void **sec)
1649 static inline void security_ib_free_security(void *sec)
1652 #endif /* CONFIG_SECURITY_INFINIBAND */
1654 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1656 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1657 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1658 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1659 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1660 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1661 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1662 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1663 struct xfrm_sec_ctx *polsec, u32 secid);
1664 int security_xfrm_state_delete(struct xfrm_state *x);
1665 void security_xfrm_state_free(struct xfrm_state *x);
1666 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
1667 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1668 struct xfrm_policy *xp,
1669 const struct flowi_common *flic);
1670 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1671 void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic);
1673 #else /* CONFIG_SECURITY_NETWORK_XFRM */
1675 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1676 struct xfrm_user_sec_ctx *sec_ctx,
1682 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1687 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1691 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1696 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1697 struct xfrm_user_sec_ctx *sec_ctx)
1702 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1703 struct xfrm_sec_ctx *polsec, u32 secid)
1708 static inline void security_xfrm_state_free(struct xfrm_state *x)
1712 static inline int security_xfrm_state_delete(struct xfrm_state *x)
1717 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1722 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1723 struct xfrm_policy *xp,
1724 const struct flowi_common *flic)
1729 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1734 static inline void security_skb_classify_flow(struct sk_buff *skb,
1735 struct flowi_common *flic)
1739 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1741 #ifdef CONFIG_SECURITY_PATH
1742 int security_path_unlink(const struct path *dir, struct dentry *dentry);
1743 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1744 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1745 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1747 int security_path_truncate(const struct path *path);
1748 int security_path_symlink(const struct path *dir, struct dentry *dentry,
1749 const char *old_name);
1750 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1751 struct dentry *new_dentry);
1752 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1753 const struct path *new_dir, struct dentry *new_dentry,
1754 unsigned int flags);
1755 int security_path_chmod(const struct path *path, umode_t mode);
1756 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1757 int security_path_chroot(const struct path *path);
1758 #else /* CONFIG_SECURITY_PATH */
1759 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1764 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1770 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1775 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1776 umode_t mode, unsigned int dev)
1781 static inline int security_path_truncate(const struct path *path)
1786 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1787 const char *old_name)
1792 static inline int security_path_link(struct dentry *old_dentry,
1793 const struct path *new_dir,
1794 struct dentry *new_dentry)
1799 static inline int security_path_rename(const struct path *old_dir,
1800 struct dentry *old_dentry,
1801 const struct path *new_dir,
1802 struct dentry *new_dentry,
1808 static inline int security_path_chmod(const struct path *path, umode_t mode)
1813 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1818 static inline int security_path_chroot(const struct path *path)
1822 #endif /* CONFIG_SECURITY_PATH */
1825 #ifdef CONFIG_SECURITY
1827 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1828 void security_key_free(struct key *key);
1829 int security_key_permission(key_ref_t key_ref, const struct cred *cred,
1830 enum key_need_perm need_perm);
1831 int security_key_getsecurity(struct key *key, char **_buffer);
1835 static inline int security_key_alloc(struct key *key,
1836 const struct cred *cred,
1837 unsigned long flags)
1842 static inline void security_key_free(struct key *key)
1846 static inline int security_key_permission(key_ref_t key_ref,
1847 const struct cred *cred,
1848 enum key_need_perm need_perm)
1853 static inline int security_key_getsecurity(struct key *key, char **_buffer)
1860 #endif /* CONFIG_KEYS */
1863 #ifdef CONFIG_SECURITY
1864 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1865 int security_audit_rule_known(struct audit_krule *krule);
1866 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1867 void security_audit_rule_free(void *lsmrule);
1871 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1877 static inline int security_audit_rule_known(struct audit_krule *krule)
1882 static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1888 static inline void security_audit_rule_free(void *lsmrule)
1891 #endif /* CONFIG_SECURITY */
1892 #endif /* CONFIG_AUDIT */
1894 #ifdef CONFIG_SECURITYFS
1896 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1897 struct dentry *parent, void *data,
1898 const struct file_operations *fops);
1899 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1900 struct dentry *securityfs_create_symlink(const char *name,
1901 struct dentry *parent,
1903 const struct inode_operations *iops);
1904 extern void securityfs_remove(struct dentry *dentry);
1906 #else /* CONFIG_SECURITYFS */
1908 static inline struct dentry *securityfs_create_dir(const char *name,
1909 struct dentry *parent)
1911 return ERR_PTR(-ENODEV);
1914 static inline struct dentry *securityfs_create_file(const char *name,
1916 struct dentry *parent,
1918 const struct file_operations *fops)
1920 return ERR_PTR(-ENODEV);
1923 static inline struct dentry *securityfs_create_symlink(const char *name,
1924 struct dentry *parent,
1926 const struct inode_operations *iops)
1928 return ERR_PTR(-ENODEV);
1931 static inline void securityfs_remove(struct dentry *dentry)
1936 #ifdef CONFIG_BPF_SYSCALL
1940 struct bpf_prog_aux;
1941 #ifdef CONFIG_SECURITY
1942 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1943 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1944 extern int security_bpf_prog(struct bpf_prog *prog);
1945 extern int security_bpf_map_alloc(struct bpf_map *map);
1946 extern void security_bpf_map_free(struct bpf_map *map);
1947 extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1948 extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1950 static inline int security_bpf(int cmd, union bpf_attr *attr,
1956 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1961 static inline int security_bpf_prog(struct bpf_prog *prog)
1966 static inline int security_bpf_map_alloc(struct bpf_map *map)
1971 static inline void security_bpf_map_free(struct bpf_map *map)
1974 static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1979 static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
1981 #endif /* CONFIG_SECURITY */
1982 #endif /* CONFIG_BPF_SYSCALL */
1984 #ifdef CONFIG_PERF_EVENTS
1985 struct perf_event_attr;
1988 #ifdef CONFIG_SECURITY
1989 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
1990 extern int security_perf_event_alloc(struct perf_event *event);
1991 extern void security_perf_event_free(struct perf_event *event);
1992 extern int security_perf_event_read(struct perf_event *event);
1993 extern int security_perf_event_write(struct perf_event *event);
1995 static inline int security_perf_event_open(struct perf_event_attr *attr,
2001 static inline int security_perf_event_alloc(struct perf_event *event)
2006 static inline void security_perf_event_free(struct perf_event *event)
2010 static inline int security_perf_event_read(struct perf_event *event)
2015 static inline int security_perf_event_write(struct perf_event *event)
2019 #endif /* CONFIG_SECURITY */
2020 #endif /* CONFIG_PERF_EVENTS */
2022 #endif /* ! __LINUX_SECURITY_H */