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_BPF_WRITE_USER,
124 LOCKDOWN_INTEGRITY_MAX,
127 LOCKDOWN_BPF_READ_KERNEL,
131 LOCKDOWN_XFRM_SECRET,
132 LOCKDOWN_CONFIDENTIALITY_MAX,
135 extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
137 /* These functions are in security/commoncap.c */
138 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
139 int cap, unsigned int opts);
140 extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
141 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
142 extern int cap_ptrace_traceme(struct task_struct *parent);
143 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
144 extern int cap_capset(struct cred *new, const struct cred *old,
145 const kernel_cap_t *effective,
146 const kernel_cap_t *inheritable,
147 const kernel_cap_t *permitted);
148 extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
149 int cap_inode_setxattr(struct dentry *dentry, const char *name,
150 const void *value, size_t size, int flags);
151 int cap_inode_removexattr(struct user_namespace *mnt_userns,
152 struct dentry *dentry, const char *name);
153 int cap_inode_need_killpriv(struct dentry *dentry);
154 int cap_inode_killpriv(struct user_namespace *mnt_userns,
155 struct dentry *dentry);
156 int cap_inode_getsecurity(struct user_namespace *mnt_userns,
157 struct inode *inode, const char *name, void **buffer,
159 extern int cap_mmap_addr(unsigned long addr);
160 extern int cap_mmap_file(struct file *file, unsigned long reqprot,
161 unsigned long prot, unsigned long flags);
162 extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
163 extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
164 unsigned long arg4, unsigned long arg5);
165 extern int cap_task_setscheduler(struct task_struct *p);
166 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
167 extern int cap_task_setnice(struct task_struct *p, int nice);
168 extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
177 struct xfrm_selector;
180 struct xfrm_user_sec_ctx;
182 struct sctp_association;
185 extern unsigned long mmap_min_addr;
186 extern unsigned long dac_mmap_min_addr;
188 #define mmap_min_addr 0UL
189 #define dac_mmap_min_addr 0UL
193 * Values used in the task_security_ops calls
195 /* setuid or setgid, id0 == uid or gid */
196 #define LSM_SETID_ID 1
198 /* setreuid or setregid, id0 == real, id1 == eff */
199 #define LSM_SETID_RE 2
201 /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
202 #define LSM_SETID_RES 4
204 /* setfsuid or setfsgid, id0 == fsuid or fsgid */
205 #define LSM_SETID_FS 8
207 /* Flags for security_task_prlimit(). */
208 #define LSM_PRLIMIT_READ 1
209 #define LSM_PRLIMIT_WRITE 2
211 /* forward declares to avoid warnings */
215 /* bprm->unsafe reasons */
216 #define LSM_UNSAFE_SHARE 1
217 #define LSM_UNSAFE_PTRACE 2
218 #define LSM_UNSAFE_NO_NEW_PRIVS 4
221 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
222 void *buffer, size_t *lenp, loff_t *ppos);
225 /* security_inode_init_security callback function to write xattrs */
226 typedef int (*initxattrs) (struct inode *inode,
227 const struct xattr *xattr_array, void *fs_data);
230 /* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
231 #define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
232 #define __data_id_stringify(dummy, str) #str,
234 enum kernel_load_data_id {
235 __kernel_read_file_id(__data_id_enumify)
238 static const char * const kernel_load_data_str[] = {
239 __kernel_read_file_id(__data_id_stringify)
242 static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
244 if ((unsigned)id >= LOADING_MAX_ID)
245 return kernel_load_data_str[LOADING_UNKNOWN];
247 return kernel_load_data_str[id];
250 #ifdef CONFIG_SECURITY
252 int call_blocking_lsm_notifier(enum lsm_event event, void *data);
253 int register_blocking_lsm_notifier(struct notifier_block *nb);
254 int unregister_blocking_lsm_notifier(struct notifier_block *nb);
257 extern int security_init(void);
258 extern int early_security_init(void);
260 /* Security operations */
261 int security_binder_set_context_mgr(const struct cred *mgr);
262 int security_binder_transaction(const struct cred *from,
263 const struct cred *to);
264 int security_binder_transfer_binder(const struct cred *from,
265 const struct cred *to);
266 int security_binder_transfer_file(const struct cred *from,
267 const struct cred *to, struct file *file);
268 int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
269 int security_ptrace_traceme(struct task_struct *parent);
270 int security_capget(struct task_struct *target,
271 kernel_cap_t *effective,
272 kernel_cap_t *inheritable,
273 kernel_cap_t *permitted);
274 int security_capset(struct cred *new, const struct cred *old,
275 const kernel_cap_t *effective,
276 const kernel_cap_t *inheritable,
277 const kernel_cap_t *permitted);
278 int security_capable(const struct cred *cred,
279 struct user_namespace *ns,
282 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
283 int security_quota_on(struct dentry *dentry);
284 int security_syslog(int type);
285 int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
286 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
287 int security_bprm_creds_for_exec(struct linux_binprm *bprm);
288 int security_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
289 int security_bprm_check(struct linux_binprm *bprm);
290 void security_bprm_committing_creds(struct linux_binprm *bprm);
291 void security_bprm_committed_creds(struct linux_binprm *bprm);
292 int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
293 int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
294 int security_sb_alloc(struct super_block *sb);
295 void security_sb_delete(struct super_block *sb);
296 void security_sb_free(struct super_block *sb);
297 void security_free_mnt_opts(void **mnt_opts);
298 int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
299 int security_sb_mnt_opts_compat(struct super_block *sb, void *mnt_opts);
300 int security_sb_remount(struct super_block *sb, void *mnt_opts);
301 int security_sb_kern_mount(struct super_block *sb);
302 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
303 int security_sb_statfs(struct dentry *dentry);
304 int security_sb_mount(const char *dev_name, const struct path *path,
305 const char *type, unsigned long flags, void *data);
306 int security_sb_umount(struct vfsmount *mnt, int flags);
307 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
308 int security_sb_set_mnt_opts(struct super_block *sb,
310 unsigned long kern_flags,
311 unsigned long *set_kern_flags);
312 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
313 struct super_block *newsb,
314 unsigned long kern_flags,
315 unsigned long *set_kern_flags);
316 int security_move_mount(const struct path *from_path, const struct path *to_path);
317 int security_dentry_init_security(struct dentry *dentry, int mode,
318 const struct qstr *name,
319 const char **xattr_name, void **ctx,
321 int security_dentry_create_files_as(struct dentry *dentry, int mode,
323 const struct cred *old,
325 int security_path_notify(const struct path *path, u64 mask,
326 unsigned int obj_type);
327 int security_inode_alloc(struct inode *inode);
328 void security_inode_free(struct inode *inode);
329 int security_inode_init_security(struct inode *inode, struct inode *dir,
330 const struct qstr *qstr,
331 initxattrs initxattrs, void *fs_data);
332 int security_inode_init_security_anon(struct inode *inode,
333 const struct qstr *name,
334 const struct inode *context_inode);
335 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
336 const struct qstr *qstr, const char **name,
337 void **value, size_t *len);
338 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
339 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
340 struct dentry *new_dentry);
341 int security_inode_unlink(struct inode *dir, struct dentry *dentry);
342 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
343 const char *old_name);
344 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
345 int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
346 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
347 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
348 struct inode *new_dir, struct dentry *new_dentry,
350 int security_inode_readlink(struct dentry *dentry);
351 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
353 int security_inode_permission(struct inode *inode, int mask);
354 int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
355 int security_inode_getattr(const struct path *path);
356 int security_inode_setxattr(struct user_namespace *mnt_userns,
357 struct dentry *dentry, const char *name,
358 const void *value, size_t size, int flags);
359 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
360 const void *value, size_t size, int flags);
361 int security_inode_getxattr(struct dentry *dentry, const char *name);
362 int security_inode_listxattr(struct dentry *dentry);
363 int security_inode_removexattr(struct user_namespace *mnt_userns,
364 struct dentry *dentry, const char *name);
365 int security_inode_need_killpriv(struct dentry *dentry);
366 int security_inode_killpriv(struct user_namespace *mnt_userns,
367 struct dentry *dentry);
368 int security_inode_getsecurity(struct user_namespace *mnt_userns,
369 struct inode *inode, const char *name,
370 void **buffer, bool alloc);
371 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
372 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
373 void security_inode_getsecid(struct inode *inode, u32 *secid);
374 int security_inode_copy_up(struct dentry *src, struct cred **new);
375 int security_inode_copy_up_xattr(const char *name);
376 int security_kernfs_init_security(struct kernfs_node *kn_dir,
377 struct kernfs_node *kn);
378 int security_file_permission(struct file *file, int mask);
379 int security_file_alloc(struct file *file);
380 void security_file_free(struct file *file);
381 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
382 int security_mmap_file(struct file *file, unsigned long prot,
383 unsigned long flags);
384 int security_mmap_addr(unsigned long addr);
385 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
387 int security_file_lock(struct file *file, unsigned int cmd);
388 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
389 void security_file_set_fowner(struct file *file);
390 int security_file_send_sigiotask(struct task_struct *tsk,
391 struct fown_struct *fown, int sig);
392 int security_file_receive(struct file *file);
393 int security_file_open(struct file *file);
394 int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
395 void security_task_free(struct task_struct *task);
396 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
397 void security_cred_free(struct cred *cred);
398 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
399 void security_transfer_creds(struct cred *new, const struct cred *old);
400 void security_cred_getsecid(const struct cred *c, u32 *secid);
401 int security_kernel_act_as(struct cred *new, u32 secid);
402 int security_kernel_create_files_as(struct cred *new, struct inode *inode);
403 int security_kernel_module_request(char *kmod_name);
404 int security_kernel_load_data(enum kernel_load_data_id id, bool contents);
405 int security_kernel_post_load_data(char *buf, loff_t size,
406 enum kernel_load_data_id id,
408 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id,
410 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
411 enum kernel_read_file_id id);
412 int security_task_fix_setuid(struct cred *new, const struct cred *old,
414 int security_task_fix_setgid(struct cred *new, const struct cred *old,
416 int security_task_setpgid(struct task_struct *p, pid_t pgid);
417 int security_task_getpgid(struct task_struct *p);
418 int security_task_getsid(struct task_struct *p);
419 void security_current_getsecid_subj(u32 *secid);
420 void security_task_getsecid_obj(struct task_struct *p, u32 *secid);
421 int security_task_setnice(struct task_struct *p, int nice);
422 int security_task_setioprio(struct task_struct *p, int ioprio);
423 int security_task_getioprio(struct task_struct *p);
424 int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
426 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
427 struct rlimit *new_rlim);
428 int security_task_setscheduler(struct task_struct *p);
429 int security_task_getscheduler(struct task_struct *p);
430 int security_task_movememory(struct task_struct *p);
431 int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
432 int sig, const struct cred *cred);
433 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
434 unsigned long arg4, unsigned long arg5);
435 void security_task_to_inode(struct task_struct *p, struct inode *inode);
436 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
437 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
438 int security_msg_msg_alloc(struct msg_msg *msg);
439 void security_msg_msg_free(struct msg_msg *msg);
440 int security_msg_queue_alloc(struct kern_ipc_perm *msq);
441 void security_msg_queue_free(struct kern_ipc_perm *msq);
442 int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
443 int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
444 int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
445 struct msg_msg *msg, int msqflg);
446 int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
447 struct task_struct *target, long type, int mode);
448 int security_shm_alloc(struct kern_ipc_perm *shp);
449 void security_shm_free(struct kern_ipc_perm *shp);
450 int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
451 int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
452 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
453 int security_sem_alloc(struct kern_ipc_perm *sma);
454 void security_sem_free(struct kern_ipc_perm *sma);
455 int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
456 int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
457 int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
458 unsigned nsops, int alter);
459 void security_d_instantiate(struct dentry *dentry, struct inode *inode);
460 int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
462 int security_setprocattr(const char *lsm, const char *name, void *value,
464 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
465 int security_ismaclabel(const char *name);
466 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
467 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
468 void security_release_secctx(char *secdata, u32 seclen);
469 void security_inode_invalidate_secctx(struct inode *inode);
470 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
471 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
472 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
473 int security_locked_down(enum lockdown_reason what);
474 #else /* CONFIG_SECURITY */
476 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
481 static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
486 static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
491 static inline void security_free_mnt_opts(void **mnt_opts)
496 * This is the default capabilities functionality. Most of these functions
497 * are just stubbed out, but a few must call the proper capable code.
500 static inline int security_init(void)
505 static inline int early_security_init(void)
510 static inline int security_binder_set_context_mgr(const struct cred *mgr)
515 static inline int security_binder_transaction(const struct cred *from,
516 const struct cred *to)
521 static inline int security_binder_transfer_binder(const struct cred *from,
522 const struct cred *to)
527 static inline int security_binder_transfer_file(const struct cred *from,
528 const struct cred *to,
534 static inline int security_ptrace_access_check(struct task_struct *child,
537 return cap_ptrace_access_check(child, mode);
540 static inline int security_ptrace_traceme(struct task_struct *parent)
542 return cap_ptrace_traceme(parent);
545 static inline int security_capget(struct task_struct *target,
546 kernel_cap_t *effective,
547 kernel_cap_t *inheritable,
548 kernel_cap_t *permitted)
550 return cap_capget(target, effective, inheritable, permitted);
553 static inline int security_capset(struct cred *new,
554 const struct cred *old,
555 const kernel_cap_t *effective,
556 const kernel_cap_t *inheritable,
557 const kernel_cap_t *permitted)
559 return cap_capset(new, old, effective, inheritable, permitted);
562 static inline int security_capable(const struct cred *cred,
563 struct user_namespace *ns,
567 return cap_capable(cred, ns, cap, opts);
570 static inline int security_quotactl(int cmds, int type, int id,
571 struct super_block *sb)
576 static inline int security_quota_on(struct dentry *dentry)
581 static inline int security_syslog(int type)
586 static inline int security_settime64(const struct timespec64 *ts,
587 const struct timezone *tz)
589 return cap_settime(ts, tz);
592 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
594 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
597 static inline int security_bprm_creds_for_exec(struct linux_binprm *bprm)
602 static inline int security_bprm_creds_from_file(struct linux_binprm *bprm,
605 return cap_bprm_creds_from_file(bprm, file);
608 static inline int security_bprm_check(struct linux_binprm *bprm)
613 static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
617 static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
621 static inline int security_fs_context_dup(struct fs_context *fc,
622 struct fs_context *src_fc)
626 static inline int security_fs_context_parse_param(struct fs_context *fc,
627 struct fs_parameter *param)
632 static inline int security_sb_alloc(struct super_block *sb)
637 static inline void security_sb_delete(struct super_block *sb)
640 static inline void security_sb_free(struct super_block *sb)
643 static inline int security_sb_eat_lsm_opts(char *options,
649 static inline int security_sb_remount(struct super_block *sb,
655 static inline int security_sb_mnt_opts_compat(struct super_block *sb,
662 static inline int security_sb_kern_mount(struct super_block *sb)
667 static inline int security_sb_show_options(struct seq_file *m,
668 struct super_block *sb)
673 static inline int security_sb_statfs(struct dentry *dentry)
678 static inline int security_sb_mount(const char *dev_name, const struct path *path,
679 const char *type, unsigned long flags,
685 static inline int security_sb_umount(struct vfsmount *mnt, int flags)
690 static inline int security_sb_pivotroot(const struct path *old_path,
691 const struct path *new_path)
696 static inline int security_sb_set_mnt_opts(struct super_block *sb,
698 unsigned long kern_flags,
699 unsigned long *set_kern_flags)
704 static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
705 struct super_block *newsb,
706 unsigned long kern_flags,
707 unsigned long *set_kern_flags)
712 static inline int security_move_mount(const struct path *from_path,
713 const struct path *to_path)
718 static inline int security_path_notify(const struct path *path, u64 mask,
719 unsigned int obj_type)
724 static inline int security_inode_alloc(struct inode *inode)
729 static inline void security_inode_free(struct inode *inode)
732 static inline int security_dentry_init_security(struct dentry *dentry,
734 const struct qstr *name,
735 const char **xattr_name,
742 static inline int security_dentry_create_files_as(struct dentry *dentry,
743 int mode, struct qstr *name,
744 const struct cred *old,
751 static inline int security_inode_init_security(struct inode *inode,
753 const struct qstr *qstr,
754 const initxattrs xattrs,
760 static inline int security_inode_init_security_anon(struct inode *inode,
761 const struct qstr *name,
762 const struct inode *context_inode)
767 static inline int security_old_inode_init_security(struct inode *inode,
769 const struct qstr *qstr,
771 void **value, size_t *len)
776 static inline int security_inode_create(struct inode *dir,
777 struct dentry *dentry,
783 static inline int security_inode_link(struct dentry *old_dentry,
785 struct dentry *new_dentry)
790 static inline int security_inode_unlink(struct inode *dir,
791 struct dentry *dentry)
796 static inline int security_inode_symlink(struct inode *dir,
797 struct dentry *dentry,
798 const char *old_name)
803 static inline int security_inode_mkdir(struct inode *dir,
804 struct dentry *dentry,
810 static inline int security_inode_rmdir(struct inode *dir,
811 struct dentry *dentry)
816 static inline int security_inode_mknod(struct inode *dir,
817 struct dentry *dentry,
823 static inline int security_inode_rename(struct inode *old_dir,
824 struct dentry *old_dentry,
825 struct inode *new_dir,
826 struct dentry *new_dentry,
832 static inline int security_inode_readlink(struct dentry *dentry)
837 static inline int security_inode_follow_link(struct dentry *dentry,
844 static inline int security_inode_permission(struct inode *inode, int mask)
849 static inline int security_inode_setattr(struct dentry *dentry,
855 static inline int security_inode_getattr(const struct path *path)
860 static inline int security_inode_setxattr(struct user_namespace *mnt_userns,
861 struct dentry *dentry, const char *name, const void *value,
862 size_t size, int flags)
864 return cap_inode_setxattr(dentry, name, value, size, flags);
867 static inline void security_inode_post_setxattr(struct dentry *dentry,
868 const char *name, const void *value, size_t size, int flags)
871 static inline int security_inode_getxattr(struct dentry *dentry,
877 static inline int security_inode_listxattr(struct dentry *dentry)
882 static inline int security_inode_removexattr(struct user_namespace *mnt_userns,
883 struct dentry *dentry,
886 return cap_inode_removexattr(mnt_userns, dentry, name);
889 static inline int security_inode_need_killpriv(struct dentry *dentry)
891 return cap_inode_need_killpriv(dentry);
894 static inline int security_inode_killpriv(struct user_namespace *mnt_userns,
895 struct dentry *dentry)
897 return cap_inode_killpriv(mnt_userns, dentry);
900 static inline int security_inode_getsecurity(struct user_namespace *mnt_userns,
902 const char *name, void **buffer,
905 return cap_inode_getsecurity(mnt_userns, inode, name, buffer, alloc);
908 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
913 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
918 static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
923 static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
928 static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
929 struct kernfs_node *kn)
934 static inline int security_inode_copy_up_xattr(const char *name)
939 static inline int security_file_permission(struct file *file, int mask)
944 static inline int security_file_alloc(struct file *file)
949 static inline void security_file_free(struct file *file)
952 static inline int security_file_ioctl(struct file *file, unsigned int cmd,
958 static inline int security_mmap_file(struct file *file, unsigned long prot,
964 static inline int security_mmap_addr(unsigned long addr)
966 return cap_mmap_addr(addr);
969 static inline int security_file_mprotect(struct vm_area_struct *vma,
970 unsigned long reqprot,
976 static inline int security_file_lock(struct file *file, unsigned int cmd)
981 static inline int security_file_fcntl(struct file *file, unsigned int cmd,
987 static inline void security_file_set_fowner(struct file *file)
992 static inline int security_file_send_sigiotask(struct task_struct *tsk,
993 struct fown_struct *fown,
999 static inline int security_file_receive(struct file *file)
1004 static inline int security_file_open(struct file *file)
1009 static inline int security_task_alloc(struct task_struct *task,
1010 unsigned long clone_flags)
1015 static inline void security_task_free(struct task_struct *task)
1018 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
1023 static inline void security_cred_free(struct cred *cred)
1026 static inline int security_prepare_creds(struct cred *new,
1027 const struct cred *old,
1033 static inline void security_transfer_creds(struct cred *new,
1034 const struct cred *old)
1038 static inline void security_cred_getsecid(const struct cred *c, u32 *secid)
1043 static inline int security_kernel_act_as(struct cred *cred, u32 secid)
1048 static inline int security_kernel_create_files_as(struct cred *cred,
1049 struct inode *inode)
1054 static inline int security_kernel_module_request(char *kmod_name)
1059 static inline int security_kernel_load_data(enum kernel_load_data_id id, bool contents)
1064 static inline int security_kernel_post_load_data(char *buf, loff_t size,
1065 enum kernel_load_data_id id,
1071 static inline int security_kernel_read_file(struct file *file,
1072 enum kernel_read_file_id id,
1078 static inline int security_kernel_post_read_file(struct file *file,
1079 char *buf, loff_t size,
1080 enum kernel_read_file_id id)
1085 static inline int security_task_fix_setuid(struct cred *new,
1086 const struct cred *old,
1089 return cap_task_fix_setuid(new, old, flags);
1092 static inline int security_task_fix_setgid(struct cred *new,
1093 const struct cred *old,
1099 static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1104 static inline int security_task_getpgid(struct task_struct *p)
1109 static inline int security_task_getsid(struct task_struct *p)
1114 static inline void security_current_getsecid_subj(u32 *secid)
1119 static inline void security_task_getsecid_obj(struct task_struct *p, u32 *secid)
1124 static inline int security_task_setnice(struct task_struct *p, int nice)
1126 return cap_task_setnice(p, nice);
1129 static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1131 return cap_task_setioprio(p, ioprio);
1134 static inline int security_task_getioprio(struct task_struct *p)
1139 static inline int security_task_prlimit(const struct cred *cred,
1140 const struct cred *tcred,
1146 static inline int security_task_setrlimit(struct task_struct *p,
1147 unsigned int resource,
1148 struct rlimit *new_rlim)
1153 static inline int security_task_setscheduler(struct task_struct *p)
1155 return cap_task_setscheduler(p);
1158 static inline int security_task_getscheduler(struct task_struct *p)
1163 static inline int security_task_movememory(struct task_struct *p)
1168 static inline int security_task_kill(struct task_struct *p,
1169 struct kernel_siginfo *info, int sig,
1170 const struct cred *cred)
1175 static inline int security_task_prctl(int option, unsigned long arg2,
1180 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1183 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1186 static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1192 static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1197 static inline int security_msg_msg_alloc(struct msg_msg *msg)
1202 static inline void security_msg_msg_free(struct msg_msg *msg)
1205 static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1210 static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1213 static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1219 static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1224 static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1225 struct msg_msg *msg, int msqflg)
1230 static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1231 struct msg_msg *msg,
1232 struct task_struct *target,
1233 long type, int mode)
1238 static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1243 static inline void security_shm_free(struct kern_ipc_perm *shp)
1246 static inline int security_shm_associate(struct kern_ipc_perm *shp,
1252 static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1257 static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1258 char __user *shmaddr, int shmflg)
1263 static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1268 static inline void security_sem_free(struct kern_ipc_perm *sma)
1271 static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1276 static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1281 static inline int security_sem_semop(struct kern_ipc_perm *sma,
1282 struct sembuf *sops, unsigned nsops,
1288 static inline void security_d_instantiate(struct dentry *dentry,
1289 struct inode *inode)
1292 static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1293 char *name, char **value)
1298 static inline int security_setprocattr(const char *lsm, char *name,
1299 void *value, size_t size)
1304 static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1309 static inline int security_ismaclabel(const char *name)
1314 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1319 static inline int security_secctx_to_secid(const char *secdata,
1326 static inline void security_release_secctx(char *secdata, u32 seclen)
1330 static inline void security_inode_invalidate_secctx(struct inode *inode)
1334 static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1338 static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1342 static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1346 static inline int security_locked_down(enum lockdown_reason what)
1350 #endif /* CONFIG_SECURITY */
1352 #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
1353 int security_post_notification(const struct cred *w_cred,
1354 const struct cred *cred,
1355 struct watch_notification *n);
1357 static inline int security_post_notification(const struct cred *w_cred,
1358 const struct cred *cred,
1359 struct watch_notification *n)
1365 #if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
1366 int security_watch_key(struct key *key);
1368 static inline int security_watch_key(struct key *key)
1374 #ifdef CONFIG_SECURITY_NETWORK
1376 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1377 int security_unix_may_send(struct socket *sock, struct socket *other);
1378 int security_socket_create(int family, int type, int protocol, int kern);
1379 int security_socket_post_create(struct socket *sock, int family,
1380 int type, int protocol, int kern);
1381 int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1382 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1383 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1384 int security_socket_listen(struct socket *sock, int backlog);
1385 int security_socket_accept(struct socket *sock, struct socket *newsock);
1386 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1387 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1388 int size, int flags);
1389 int security_socket_getsockname(struct socket *sock);
1390 int security_socket_getpeername(struct socket *sock);
1391 int security_socket_getsockopt(struct socket *sock, int level, int optname);
1392 int security_socket_setsockopt(struct socket *sock, int level, int optname);
1393 int security_socket_shutdown(struct socket *sock, int how);
1394 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1395 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1396 int __user *optlen, unsigned len);
1397 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1398 int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1399 void security_sk_free(struct sock *sk);
1400 void security_sk_clone(const struct sock *sk, struct sock *newsk);
1401 void security_sk_classify_flow(struct sock *sk, struct flowi_common *flic);
1402 void security_req_classify_flow(const struct request_sock *req,
1403 struct flowi_common *flic);
1404 void security_sock_graft(struct sock*sk, struct socket *parent);
1405 int security_inet_conn_request(const struct sock *sk,
1406 struct sk_buff *skb, struct request_sock *req);
1407 void security_inet_csk_clone(struct sock *newsk,
1408 const struct request_sock *req);
1409 void security_inet_conn_established(struct sock *sk,
1410 struct sk_buff *skb);
1411 int security_secmark_relabel_packet(u32 secid);
1412 void security_secmark_refcount_inc(void);
1413 void security_secmark_refcount_dec(void);
1414 int security_tun_dev_alloc_security(void **security);
1415 void security_tun_dev_free_security(void *security);
1416 int security_tun_dev_create(void);
1417 int security_tun_dev_attach_queue(void *security);
1418 int security_tun_dev_attach(struct sock *sk, void *security);
1419 int security_tun_dev_open(void *security);
1420 int security_sctp_assoc_request(struct sctp_association *asoc, struct sk_buff *skb);
1421 int security_sctp_bind_connect(struct sock *sk, int optname,
1422 struct sockaddr *address, int addrlen);
1423 void security_sctp_sk_clone(struct sctp_association *asoc, struct sock *sk,
1424 struct sock *newsk);
1425 int security_sctp_assoc_established(struct sctp_association *asoc,
1426 struct sk_buff *skb);
1428 #else /* CONFIG_SECURITY_NETWORK */
1429 static inline int security_unix_stream_connect(struct sock *sock,
1436 static inline int security_unix_may_send(struct socket *sock,
1437 struct socket *other)
1442 static inline int security_socket_create(int family, int type,
1443 int protocol, int kern)
1448 static inline int security_socket_post_create(struct socket *sock,
1451 int protocol, int kern)
1456 static inline int security_socket_socketpair(struct socket *socka,
1457 struct socket *sockb)
1462 static inline int security_socket_bind(struct socket *sock,
1463 struct sockaddr *address,
1469 static inline int security_socket_connect(struct socket *sock,
1470 struct sockaddr *address,
1476 static inline int security_socket_listen(struct socket *sock, int backlog)
1481 static inline int security_socket_accept(struct socket *sock,
1482 struct socket *newsock)
1487 static inline int security_socket_sendmsg(struct socket *sock,
1488 struct msghdr *msg, int size)
1493 static inline int security_socket_recvmsg(struct socket *sock,
1494 struct msghdr *msg, int size,
1500 static inline int security_socket_getsockname(struct socket *sock)
1505 static inline int security_socket_getpeername(struct socket *sock)
1510 static inline int security_socket_getsockopt(struct socket *sock,
1511 int level, int optname)
1516 static inline int security_socket_setsockopt(struct socket *sock,
1517 int level, int optname)
1522 static inline int security_socket_shutdown(struct socket *sock, int how)
1526 static inline int security_sock_rcv_skb(struct sock *sk,
1527 struct sk_buff *skb)
1532 static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1533 int __user *optlen, unsigned len)
1535 return -ENOPROTOOPT;
1538 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1540 return -ENOPROTOOPT;
1543 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1548 static inline void security_sk_free(struct sock *sk)
1552 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1556 static inline void security_sk_classify_flow(struct sock *sk,
1557 struct flowi_common *flic)
1561 static inline void security_req_classify_flow(const struct request_sock *req,
1562 struct flowi_common *flic)
1566 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1570 static inline int security_inet_conn_request(const struct sock *sk,
1571 struct sk_buff *skb, struct request_sock *req)
1576 static inline void security_inet_csk_clone(struct sock *newsk,
1577 const struct request_sock *req)
1581 static inline void security_inet_conn_established(struct sock *sk,
1582 struct sk_buff *skb)
1586 static inline int security_secmark_relabel_packet(u32 secid)
1591 static inline void security_secmark_refcount_inc(void)
1595 static inline void security_secmark_refcount_dec(void)
1599 static inline int security_tun_dev_alloc_security(void **security)
1604 static inline void security_tun_dev_free_security(void *security)
1608 static inline int security_tun_dev_create(void)
1613 static inline int security_tun_dev_attach_queue(void *security)
1618 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1623 static inline int security_tun_dev_open(void *security)
1628 static inline int security_sctp_assoc_request(struct sctp_association *asoc,
1629 struct sk_buff *skb)
1634 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1635 struct sockaddr *address,
1641 static inline void security_sctp_sk_clone(struct sctp_association *asoc,
1647 static inline int security_sctp_assoc_established(struct sctp_association *asoc,
1648 struct sk_buff *skb)
1652 #endif /* CONFIG_SECURITY_NETWORK */
1654 #ifdef CONFIG_SECURITY_INFINIBAND
1655 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1656 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1657 int security_ib_alloc_security(void **sec);
1658 void security_ib_free_security(void *sec);
1659 #else /* CONFIG_SECURITY_INFINIBAND */
1660 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1665 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1670 static inline int security_ib_alloc_security(void **sec)
1675 static inline void security_ib_free_security(void *sec)
1678 #endif /* CONFIG_SECURITY_INFINIBAND */
1680 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1682 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1683 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1684 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1685 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1686 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1687 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1688 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1689 struct xfrm_sec_ctx *polsec, u32 secid);
1690 int security_xfrm_state_delete(struct xfrm_state *x);
1691 void security_xfrm_state_free(struct xfrm_state *x);
1692 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid);
1693 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1694 struct xfrm_policy *xp,
1695 const struct flowi_common *flic);
1696 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1697 void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic);
1699 #else /* CONFIG_SECURITY_NETWORK_XFRM */
1701 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1702 struct xfrm_user_sec_ctx *sec_ctx,
1708 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1713 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1717 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1722 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1723 struct xfrm_user_sec_ctx *sec_ctx)
1728 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1729 struct xfrm_sec_ctx *polsec, u32 secid)
1734 static inline void security_xfrm_state_free(struct xfrm_state *x)
1738 static inline int security_xfrm_state_delete(struct xfrm_state *x)
1743 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid)
1748 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1749 struct xfrm_policy *xp,
1750 const struct flowi_common *flic)
1755 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1760 static inline void security_skb_classify_flow(struct sk_buff *skb,
1761 struct flowi_common *flic)
1765 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1767 #ifdef CONFIG_SECURITY_PATH
1768 int security_path_unlink(const struct path *dir, struct dentry *dentry);
1769 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1770 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1771 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1773 int security_path_truncate(const struct path *path);
1774 int security_path_symlink(const struct path *dir, struct dentry *dentry,
1775 const char *old_name);
1776 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1777 struct dentry *new_dentry);
1778 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1779 const struct path *new_dir, struct dentry *new_dentry,
1780 unsigned int flags);
1781 int security_path_chmod(const struct path *path, umode_t mode);
1782 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1783 int security_path_chroot(const struct path *path);
1784 #else /* CONFIG_SECURITY_PATH */
1785 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1790 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1796 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1801 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1802 umode_t mode, unsigned int dev)
1807 static inline int security_path_truncate(const struct path *path)
1812 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1813 const char *old_name)
1818 static inline int security_path_link(struct dentry *old_dentry,
1819 const struct path *new_dir,
1820 struct dentry *new_dentry)
1825 static inline int security_path_rename(const struct path *old_dir,
1826 struct dentry *old_dentry,
1827 const struct path *new_dir,
1828 struct dentry *new_dentry,
1834 static inline int security_path_chmod(const struct path *path, umode_t mode)
1839 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1844 static inline int security_path_chroot(const struct path *path)
1848 #endif /* CONFIG_SECURITY_PATH */
1851 #ifdef CONFIG_SECURITY
1853 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1854 void security_key_free(struct key *key);
1855 int security_key_permission(key_ref_t key_ref, const struct cred *cred,
1856 enum key_need_perm need_perm);
1857 int security_key_getsecurity(struct key *key, char **_buffer);
1861 static inline int security_key_alloc(struct key *key,
1862 const struct cred *cred,
1863 unsigned long flags)
1868 static inline void security_key_free(struct key *key)
1872 static inline int security_key_permission(key_ref_t key_ref,
1873 const struct cred *cred,
1874 enum key_need_perm need_perm)
1879 static inline int security_key_getsecurity(struct key *key, char **_buffer)
1886 #endif /* CONFIG_KEYS */
1889 #ifdef CONFIG_SECURITY
1890 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1891 int security_audit_rule_known(struct audit_krule *krule);
1892 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1893 void security_audit_rule_free(void *lsmrule);
1897 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1903 static inline int security_audit_rule_known(struct audit_krule *krule)
1908 static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1914 static inline void security_audit_rule_free(void *lsmrule)
1917 #endif /* CONFIG_SECURITY */
1918 #endif /* CONFIG_AUDIT */
1920 #ifdef CONFIG_SECURITYFS
1922 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1923 struct dentry *parent, void *data,
1924 const struct file_operations *fops);
1925 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1926 struct dentry *securityfs_create_symlink(const char *name,
1927 struct dentry *parent,
1929 const struct inode_operations *iops);
1930 extern void securityfs_remove(struct dentry *dentry);
1932 #else /* CONFIG_SECURITYFS */
1934 static inline struct dentry *securityfs_create_dir(const char *name,
1935 struct dentry *parent)
1937 return ERR_PTR(-ENODEV);
1940 static inline struct dentry *securityfs_create_file(const char *name,
1942 struct dentry *parent,
1944 const struct file_operations *fops)
1946 return ERR_PTR(-ENODEV);
1949 static inline struct dentry *securityfs_create_symlink(const char *name,
1950 struct dentry *parent,
1952 const struct inode_operations *iops)
1954 return ERR_PTR(-ENODEV);
1957 static inline void securityfs_remove(struct dentry *dentry)
1962 #ifdef CONFIG_BPF_SYSCALL
1966 struct bpf_prog_aux;
1967 #ifdef CONFIG_SECURITY
1968 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1969 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1970 extern int security_bpf_prog(struct bpf_prog *prog);
1971 extern int security_bpf_map_alloc(struct bpf_map *map);
1972 extern void security_bpf_map_free(struct bpf_map *map);
1973 extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1974 extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1976 static inline int security_bpf(int cmd, union bpf_attr *attr,
1982 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1987 static inline int security_bpf_prog(struct bpf_prog *prog)
1992 static inline int security_bpf_map_alloc(struct bpf_map *map)
1997 static inline void security_bpf_map_free(struct bpf_map *map)
2000 static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
2005 static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
2007 #endif /* CONFIG_SECURITY */
2008 #endif /* CONFIG_BPF_SYSCALL */
2010 #ifdef CONFIG_PERF_EVENTS
2011 struct perf_event_attr;
2014 #ifdef CONFIG_SECURITY
2015 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
2016 extern int security_perf_event_alloc(struct perf_event *event);
2017 extern void security_perf_event_free(struct perf_event *event);
2018 extern int security_perf_event_read(struct perf_event *event);
2019 extern int security_perf_event_write(struct perf_event *event);
2021 static inline int security_perf_event_open(struct perf_event_attr *attr,
2027 static inline int security_perf_event_alloc(struct perf_event *event)
2032 static inline void security_perf_event_free(struct perf_event *event)
2036 static inline int security_perf_event_read(struct perf_event *event)
2041 static inline int security_perf_event_write(struct perf_event *event)
2045 #endif /* CONFIG_SECURITY */
2046 #endif /* CONFIG_PERF_EVENTS */
2048 #ifdef CONFIG_IO_URING
2049 #ifdef CONFIG_SECURITY
2050 extern int security_uring_override_creds(const struct cred *new);
2051 extern int security_uring_sqpoll(void);
2053 static inline int security_uring_override_creds(const struct cred *new)
2057 static inline int security_uring_sqpoll(void)
2061 #endif /* CONFIG_SECURITY */
2062 #endif /* CONFIG_IO_URING */
2064 #endif /* ! __LINUX_SECURITY_H */