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_delete(struct super_block *sb);
295 void security_sb_free(struct super_block *sb);
296 void security_free_mnt_opts(void **mnt_opts);
297 int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
298 int security_sb_mnt_opts_compat(struct super_block *sb, void *mnt_opts);
299 int security_sb_remount(struct super_block *sb, void *mnt_opts);
300 int security_sb_kern_mount(struct super_block *sb);
301 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
302 int security_sb_statfs(struct dentry *dentry);
303 int security_sb_mount(const char *dev_name, const struct path *path,
304 const char *type, unsigned long flags, void *data);
305 int security_sb_umount(struct vfsmount *mnt, int flags);
306 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
307 int security_sb_set_mnt_opts(struct super_block *sb,
309 unsigned long kern_flags,
310 unsigned long *set_kern_flags);
311 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
312 struct super_block *newsb,
313 unsigned long kern_flags,
314 unsigned long *set_kern_flags);
315 int security_add_mnt_opt(const char *option, const char *val,
316 int len, void **mnt_opts);
317 int security_move_mount(const struct path *from_path, const struct path *to_path);
318 int security_dentry_init_security(struct dentry *dentry, int mode,
319 const struct qstr *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_task_getsecid_subj(struct task_struct *p, 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(struct task_struct *mgr)
515 static inline int security_binder_transaction(struct task_struct *from,
516 struct task_struct *to)
521 static inline int security_binder_transfer_binder(struct task_struct *from,
522 struct task_struct *to)
527 static inline int security_binder_transfer_file(struct task_struct *from,
528 struct task_struct *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_add_mnt_opt(const char *option, const char *val,
713 int len, void **mnt_opts)
718 static inline int security_move_mount(const struct path *from_path,
719 const struct path *to_path)
724 static inline int security_path_notify(const struct path *path, u64 mask,
725 unsigned int obj_type)
730 static inline int security_inode_alloc(struct inode *inode)
735 static inline void security_inode_free(struct inode *inode)
738 static inline int security_dentry_init_security(struct dentry *dentry,
740 const struct qstr *name,
747 static inline int security_dentry_create_files_as(struct dentry *dentry,
748 int mode, struct qstr *name,
749 const struct cred *old,
756 static inline int security_inode_init_security(struct inode *inode,
758 const struct qstr *qstr,
759 const initxattrs xattrs,
765 static inline int security_inode_init_security_anon(struct inode *inode,
766 const struct qstr *name,
767 const struct inode *context_inode)
772 static inline int security_old_inode_init_security(struct inode *inode,
774 const struct qstr *qstr,
776 void **value, size_t *len)
781 static inline int security_inode_create(struct inode *dir,
782 struct dentry *dentry,
788 static inline int security_inode_link(struct dentry *old_dentry,
790 struct dentry *new_dentry)
795 static inline int security_inode_unlink(struct inode *dir,
796 struct dentry *dentry)
801 static inline int security_inode_symlink(struct inode *dir,
802 struct dentry *dentry,
803 const char *old_name)
808 static inline int security_inode_mkdir(struct inode *dir,
809 struct dentry *dentry,
815 static inline int security_inode_rmdir(struct inode *dir,
816 struct dentry *dentry)
821 static inline int security_inode_mknod(struct inode *dir,
822 struct dentry *dentry,
828 static inline int security_inode_rename(struct inode *old_dir,
829 struct dentry *old_dentry,
830 struct inode *new_dir,
831 struct dentry *new_dentry,
837 static inline int security_inode_readlink(struct dentry *dentry)
842 static inline int security_inode_follow_link(struct dentry *dentry,
849 static inline int security_inode_permission(struct inode *inode, int mask)
854 static inline int security_inode_setattr(struct dentry *dentry,
860 static inline int security_inode_getattr(const struct path *path)
865 static inline int security_inode_setxattr(struct user_namespace *mnt_userns,
866 struct dentry *dentry, const char *name, const void *value,
867 size_t size, int flags)
869 return cap_inode_setxattr(dentry, name, value, size, flags);
872 static inline void security_inode_post_setxattr(struct dentry *dentry,
873 const char *name, const void *value, size_t size, int flags)
876 static inline int security_inode_getxattr(struct dentry *dentry,
882 static inline int security_inode_listxattr(struct dentry *dentry)
887 static inline int security_inode_removexattr(struct user_namespace *mnt_userns,
888 struct dentry *dentry,
891 return cap_inode_removexattr(mnt_userns, dentry, name);
894 static inline int security_inode_need_killpriv(struct dentry *dentry)
896 return cap_inode_need_killpriv(dentry);
899 static inline int security_inode_killpriv(struct user_namespace *mnt_userns,
900 struct dentry *dentry)
902 return cap_inode_killpriv(mnt_userns, dentry);
905 static inline int security_inode_getsecurity(struct user_namespace *mnt_userns,
907 const char *name, void **buffer,
910 return cap_inode_getsecurity(mnt_userns, inode, name, buffer, alloc);
913 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
918 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
923 static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
928 static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
933 static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
934 struct kernfs_node *kn)
939 static inline int security_inode_copy_up_xattr(const char *name)
944 static inline int security_file_permission(struct file *file, int mask)
949 static inline int security_file_alloc(struct file *file)
954 static inline void security_file_free(struct file *file)
957 static inline int security_file_ioctl(struct file *file, unsigned int cmd,
963 static inline int security_mmap_file(struct file *file, unsigned long prot,
969 static inline int security_mmap_addr(unsigned long addr)
971 return cap_mmap_addr(addr);
974 static inline int security_file_mprotect(struct vm_area_struct *vma,
975 unsigned long reqprot,
981 static inline int security_file_lock(struct file *file, unsigned int cmd)
986 static inline int security_file_fcntl(struct file *file, unsigned int cmd,
992 static inline void security_file_set_fowner(struct file *file)
997 static inline int security_file_send_sigiotask(struct task_struct *tsk,
998 struct fown_struct *fown,
1004 static inline int security_file_receive(struct file *file)
1009 static inline int security_file_open(struct file *file)
1014 static inline int security_task_alloc(struct task_struct *task,
1015 unsigned long clone_flags)
1020 static inline void security_task_free(struct task_struct *task)
1023 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
1028 static inline void security_cred_free(struct cred *cred)
1031 static inline int security_prepare_creds(struct cred *new,
1032 const struct cred *old,
1038 static inline void security_transfer_creds(struct cred *new,
1039 const struct cred *old)
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_task_getsecid_subj(struct task_struct *p, 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_endpoint *ep, 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_endpoint *ep, struct sock *sk,
1424 struct sock *newsk);
1426 #else /* CONFIG_SECURITY_NETWORK */
1427 static inline int security_unix_stream_connect(struct sock *sock,
1434 static inline int security_unix_may_send(struct socket *sock,
1435 struct socket *other)
1440 static inline int security_socket_create(int family, int type,
1441 int protocol, int kern)
1446 static inline int security_socket_post_create(struct socket *sock,
1449 int protocol, int kern)
1454 static inline int security_socket_socketpair(struct socket *socka,
1455 struct socket *sockb)
1460 static inline int security_socket_bind(struct socket *sock,
1461 struct sockaddr *address,
1467 static inline int security_socket_connect(struct socket *sock,
1468 struct sockaddr *address,
1474 static inline int security_socket_listen(struct socket *sock, int backlog)
1479 static inline int security_socket_accept(struct socket *sock,
1480 struct socket *newsock)
1485 static inline int security_socket_sendmsg(struct socket *sock,
1486 struct msghdr *msg, int size)
1491 static inline int security_socket_recvmsg(struct socket *sock,
1492 struct msghdr *msg, int size,
1498 static inline int security_socket_getsockname(struct socket *sock)
1503 static inline int security_socket_getpeername(struct socket *sock)
1508 static inline int security_socket_getsockopt(struct socket *sock,
1509 int level, int optname)
1514 static inline int security_socket_setsockopt(struct socket *sock,
1515 int level, int optname)
1520 static inline int security_socket_shutdown(struct socket *sock, int how)
1524 static inline int security_sock_rcv_skb(struct sock *sk,
1525 struct sk_buff *skb)
1530 static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1531 int __user *optlen, unsigned len)
1533 return -ENOPROTOOPT;
1536 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1538 return -ENOPROTOOPT;
1541 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1546 static inline void security_sk_free(struct sock *sk)
1550 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1554 static inline void security_sk_classify_flow(struct sock *sk,
1555 struct flowi_common *flic)
1559 static inline void security_req_classify_flow(const struct request_sock *req,
1560 struct flowi_common *flic)
1564 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1568 static inline int security_inet_conn_request(const struct sock *sk,
1569 struct sk_buff *skb, struct request_sock *req)
1574 static inline void security_inet_csk_clone(struct sock *newsk,
1575 const struct request_sock *req)
1579 static inline void security_inet_conn_established(struct sock *sk,
1580 struct sk_buff *skb)
1584 static inline int security_secmark_relabel_packet(u32 secid)
1589 static inline void security_secmark_refcount_inc(void)
1593 static inline void security_secmark_refcount_dec(void)
1597 static inline int security_tun_dev_alloc_security(void **security)
1602 static inline void security_tun_dev_free_security(void *security)
1606 static inline int security_tun_dev_create(void)
1611 static inline int security_tun_dev_attach_queue(void *security)
1616 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1621 static inline int security_tun_dev_open(void *security)
1626 static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
1627 struct sk_buff *skb)
1632 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1633 struct sockaddr *address,
1639 static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
1644 #endif /* CONFIG_SECURITY_NETWORK */
1646 #ifdef CONFIG_SECURITY_INFINIBAND
1647 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1648 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1649 int security_ib_alloc_security(void **sec);
1650 void security_ib_free_security(void *sec);
1651 #else /* CONFIG_SECURITY_INFINIBAND */
1652 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1657 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1662 static inline int security_ib_alloc_security(void **sec)
1667 static inline void security_ib_free_security(void *sec)
1670 #endif /* CONFIG_SECURITY_INFINIBAND */
1672 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1674 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1675 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1676 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1677 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1678 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1679 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1680 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1681 struct xfrm_sec_ctx *polsec, u32 secid);
1682 int security_xfrm_state_delete(struct xfrm_state *x);
1683 void security_xfrm_state_free(struct xfrm_state *x);
1684 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
1685 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1686 struct xfrm_policy *xp,
1687 const struct flowi_common *flic);
1688 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1689 void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic);
1691 #else /* CONFIG_SECURITY_NETWORK_XFRM */
1693 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1694 struct xfrm_user_sec_ctx *sec_ctx,
1700 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1705 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1709 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1714 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1715 struct xfrm_user_sec_ctx *sec_ctx)
1720 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1721 struct xfrm_sec_ctx *polsec, u32 secid)
1726 static inline void security_xfrm_state_free(struct xfrm_state *x)
1730 static inline int security_xfrm_state_delete(struct xfrm_state *x)
1735 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1740 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1741 struct xfrm_policy *xp,
1742 const struct flowi_common *flic)
1747 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1752 static inline void security_skb_classify_flow(struct sk_buff *skb,
1753 struct flowi_common *flic)
1757 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1759 #ifdef CONFIG_SECURITY_PATH
1760 int security_path_unlink(const struct path *dir, struct dentry *dentry);
1761 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1762 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1763 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1765 int security_path_truncate(const struct path *path);
1766 int security_path_symlink(const struct path *dir, struct dentry *dentry,
1767 const char *old_name);
1768 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1769 struct dentry *new_dentry);
1770 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1771 const struct path *new_dir, struct dentry *new_dentry,
1772 unsigned int flags);
1773 int security_path_chmod(const struct path *path, umode_t mode);
1774 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1775 int security_path_chroot(const struct path *path);
1776 #else /* CONFIG_SECURITY_PATH */
1777 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1782 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1788 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1793 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1794 umode_t mode, unsigned int dev)
1799 static inline int security_path_truncate(const struct path *path)
1804 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1805 const char *old_name)
1810 static inline int security_path_link(struct dentry *old_dentry,
1811 const struct path *new_dir,
1812 struct dentry *new_dentry)
1817 static inline int security_path_rename(const struct path *old_dir,
1818 struct dentry *old_dentry,
1819 const struct path *new_dir,
1820 struct dentry *new_dentry,
1826 static inline int security_path_chmod(const struct path *path, umode_t mode)
1831 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1836 static inline int security_path_chroot(const struct path *path)
1840 #endif /* CONFIG_SECURITY_PATH */
1843 #ifdef CONFIG_SECURITY
1845 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1846 void security_key_free(struct key *key);
1847 int security_key_permission(key_ref_t key_ref, const struct cred *cred,
1848 enum key_need_perm need_perm);
1849 int security_key_getsecurity(struct key *key, char **_buffer);
1853 static inline int security_key_alloc(struct key *key,
1854 const struct cred *cred,
1855 unsigned long flags)
1860 static inline void security_key_free(struct key *key)
1864 static inline int security_key_permission(key_ref_t key_ref,
1865 const struct cred *cred,
1866 enum key_need_perm need_perm)
1871 static inline int security_key_getsecurity(struct key *key, char **_buffer)
1878 #endif /* CONFIG_KEYS */
1881 #ifdef CONFIG_SECURITY
1882 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1883 int security_audit_rule_known(struct audit_krule *krule);
1884 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1885 void security_audit_rule_free(void *lsmrule);
1889 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1895 static inline int security_audit_rule_known(struct audit_krule *krule)
1900 static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1906 static inline void security_audit_rule_free(void *lsmrule)
1909 #endif /* CONFIG_SECURITY */
1910 #endif /* CONFIG_AUDIT */
1912 #ifdef CONFIG_SECURITYFS
1914 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1915 struct dentry *parent, void *data,
1916 const struct file_operations *fops);
1917 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1918 struct dentry *securityfs_create_symlink(const char *name,
1919 struct dentry *parent,
1921 const struct inode_operations *iops);
1922 extern void securityfs_remove(struct dentry *dentry);
1924 #else /* CONFIG_SECURITYFS */
1926 static inline struct dentry *securityfs_create_dir(const char *name,
1927 struct dentry *parent)
1929 return ERR_PTR(-ENODEV);
1932 static inline struct dentry *securityfs_create_file(const char *name,
1934 struct dentry *parent,
1936 const struct file_operations *fops)
1938 return ERR_PTR(-ENODEV);
1941 static inline struct dentry *securityfs_create_symlink(const char *name,
1942 struct dentry *parent,
1944 const struct inode_operations *iops)
1946 return ERR_PTR(-ENODEV);
1949 static inline void securityfs_remove(struct dentry *dentry)
1954 #ifdef CONFIG_BPF_SYSCALL
1958 struct bpf_prog_aux;
1959 #ifdef CONFIG_SECURITY
1960 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1961 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1962 extern int security_bpf_prog(struct bpf_prog *prog);
1963 extern int security_bpf_map_alloc(struct bpf_map *map);
1964 extern void security_bpf_map_free(struct bpf_map *map);
1965 extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1966 extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1968 static inline int security_bpf(int cmd, union bpf_attr *attr,
1974 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1979 static inline int security_bpf_prog(struct bpf_prog *prog)
1984 static inline int security_bpf_map_alloc(struct bpf_map *map)
1989 static inline void security_bpf_map_free(struct bpf_map *map)
1992 static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1997 static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
1999 #endif /* CONFIG_SECURITY */
2000 #endif /* CONFIG_BPF_SYSCALL */
2002 #ifdef CONFIG_PERF_EVENTS
2003 struct perf_event_attr;
2006 #ifdef CONFIG_SECURITY
2007 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
2008 extern int security_perf_event_alloc(struct perf_event *event);
2009 extern void security_perf_event_free(struct perf_event *event);
2010 extern int security_perf_event_read(struct perf_event *event);
2011 extern int security_perf_event_write(struct perf_event *event);
2013 static inline int security_perf_event_open(struct perf_event_attr *attr,
2019 static inline int security_perf_event_alloc(struct perf_event *event)
2024 static inline void security_perf_event_free(struct perf_event *event)
2028 static inline int security_perf_event_read(struct perf_event *event)
2033 static inline int security_perf_event_write(struct perf_event *event)
2037 #endif /* CONFIG_SECURITY */
2038 #endif /* CONFIG_PERF_EVENTS */
2040 #endif /* ! __LINUX_SECURITY_H */