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_DBG_WRITE_KERNEL,
125 LOCKDOWN_INTEGRITY_MAX,
128 LOCKDOWN_BPF_READ_KERNEL,
129 LOCKDOWN_DBG_READ_KERNEL,
133 LOCKDOWN_XFRM_SECRET,
134 LOCKDOWN_CONFIDENTIALITY_MAX,
137 extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
139 /* These functions are in security/commoncap.c */
140 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
141 int cap, unsigned int opts);
142 extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
143 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
144 extern int cap_ptrace_traceme(struct task_struct *parent);
145 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
146 extern int cap_capset(struct cred *new, const struct cred *old,
147 const kernel_cap_t *effective,
148 const kernel_cap_t *inheritable,
149 const kernel_cap_t *permitted);
150 extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
151 int cap_inode_setxattr(struct dentry *dentry, const char *name,
152 const void *value, size_t size, int flags);
153 int cap_inode_removexattr(struct user_namespace *mnt_userns,
154 struct dentry *dentry, const char *name);
155 int cap_inode_need_killpriv(struct dentry *dentry);
156 int cap_inode_killpriv(struct user_namespace *mnt_userns,
157 struct dentry *dentry);
158 int cap_inode_getsecurity(struct user_namespace *mnt_userns,
159 struct inode *inode, const char *name, void **buffer,
161 extern int cap_mmap_addr(unsigned long addr);
162 extern int cap_mmap_file(struct file *file, unsigned long reqprot,
163 unsigned long prot, unsigned long flags);
164 extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
165 extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
166 unsigned long arg4, unsigned long arg5);
167 extern int cap_task_setscheduler(struct task_struct *p);
168 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
169 extern int cap_task_setnice(struct task_struct *p, int nice);
170 extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
179 struct xfrm_selector;
182 struct xfrm_user_sec_ctx;
184 struct sctp_association;
187 extern unsigned long mmap_min_addr;
188 extern unsigned long dac_mmap_min_addr;
190 #define mmap_min_addr 0UL
191 #define dac_mmap_min_addr 0UL
195 * Values used in the task_security_ops calls
197 /* setuid or setgid, id0 == uid or gid */
198 #define LSM_SETID_ID 1
200 /* setreuid or setregid, id0 == real, id1 == eff */
201 #define LSM_SETID_RE 2
203 /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
204 #define LSM_SETID_RES 4
206 /* setfsuid or setfsgid, id0 == fsuid or fsgid */
207 #define LSM_SETID_FS 8
209 /* Flags for security_task_prlimit(). */
210 #define LSM_PRLIMIT_READ 1
211 #define LSM_PRLIMIT_WRITE 2
213 /* forward declares to avoid warnings */
217 /* bprm->unsafe reasons */
218 #define LSM_UNSAFE_SHARE 1
219 #define LSM_UNSAFE_PTRACE 2
220 #define LSM_UNSAFE_NO_NEW_PRIVS 4
223 extern int mmap_min_addr_handler(struct ctl_table *table, int write,
224 void *buffer, size_t *lenp, loff_t *ppos);
227 /* security_inode_init_security callback function to write xattrs */
228 typedef int (*initxattrs) (struct inode *inode,
229 const struct xattr *xattr_array, void *fs_data);
232 /* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
233 #define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
234 #define __data_id_stringify(dummy, str) #str,
236 enum kernel_load_data_id {
237 __kernel_read_file_id(__data_id_enumify)
240 static const char * const kernel_load_data_str[] = {
241 __kernel_read_file_id(__data_id_stringify)
244 static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
246 if ((unsigned)id >= LOADING_MAX_ID)
247 return kernel_load_data_str[LOADING_UNKNOWN];
249 return kernel_load_data_str[id];
252 #ifdef CONFIG_SECURITY
254 int call_blocking_lsm_notifier(enum lsm_event event, void *data);
255 int register_blocking_lsm_notifier(struct notifier_block *nb);
256 int unregister_blocking_lsm_notifier(struct notifier_block *nb);
259 extern int security_init(void);
260 extern int early_security_init(void);
262 /* Security operations */
263 int security_binder_set_context_mgr(const struct cred *mgr);
264 int security_binder_transaction(const struct cred *from,
265 const struct cred *to);
266 int security_binder_transfer_binder(const struct cred *from,
267 const struct cred *to);
268 int security_binder_transfer_file(const struct cred *from,
269 const struct cred *to, struct file *file);
270 int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
271 int security_ptrace_traceme(struct task_struct *parent);
272 int security_capget(struct task_struct *target,
273 kernel_cap_t *effective,
274 kernel_cap_t *inheritable,
275 kernel_cap_t *permitted);
276 int security_capset(struct cred *new, const struct cred *old,
277 const kernel_cap_t *effective,
278 const kernel_cap_t *inheritable,
279 const kernel_cap_t *permitted);
280 int security_capable(const struct cred *cred,
281 struct user_namespace *ns,
284 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
285 int security_quota_on(struct dentry *dentry);
286 int security_syslog(int type);
287 int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
288 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
289 int security_bprm_creds_for_exec(struct linux_binprm *bprm);
290 int security_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
291 int security_bprm_check(struct linux_binprm *bprm);
292 void security_bprm_committing_creds(struct linux_binprm *bprm);
293 void security_bprm_committed_creds(struct linux_binprm *bprm);
294 int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
295 int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
296 int security_sb_alloc(struct super_block *sb);
297 void security_sb_delete(struct super_block *sb);
298 void security_sb_free(struct super_block *sb);
299 void security_free_mnt_opts(void **mnt_opts);
300 int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
301 int security_sb_mnt_opts_compat(struct super_block *sb, void *mnt_opts);
302 int security_sb_remount(struct super_block *sb, void *mnt_opts);
303 int security_sb_kern_mount(struct super_block *sb);
304 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
305 int security_sb_statfs(struct dentry *dentry);
306 int security_sb_mount(const char *dev_name, const struct path *path,
307 const char *type, unsigned long flags, void *data);
308 int security_sb_umount(struct vfsmount *mnt, int flags);
309 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
310 int security_sb_set_mnt_opts(struct super_block *sb,
312 unsigned long kern_flags,
313 unsigned long *set_kern_flags);
314 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
315 struct super_block *newsb,
316 unsigned long kern_flags,
317 unsigned long *set_kern_flags);
318 int security_move_mount(const struct path *from_path, const struct path *to_path);
319 int security_dentry_init_security(struct dentry *dentry, int mode,
320 const struct qstr *name,
321 const char **xattr_name, void **ctx,
323 int security_dentry_create_files_as(struct dentry *dentry, int mode,
325 const struct cred *old,
327 int security_path_notify(const struct path *path, u64 mask,
328 unsigned int obj_type);
329 int security_inode_alloc(struct inode *inode);
330 void security_inode_free(struct inode *inode);
331 int security_inode_init_security(struct inode *inode, struct inode *dir,
332 const struct qstr *qstr,
333 initxattrs initxattrs, void *fs_data);
334 int security_inode_init_security_anon(struct inode *inode,
335 const struct qstr *name,
336 const struct inode *context_inode);
337 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
338 const struct qstr *qstr, const char **name,
339 void **value, size_t *len);
340 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
341 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
342 struct dentry *new_dentry);
343 int security_inode_unlink(struct inode *dir, struct dentry *dentry);
344 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
345 const char *old_name);
346 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
347 int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
348 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
349 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
350 struct inode *new_dir, struct dentry *new_dentry,
352 int security_inode_readlink(struct dentry *dentry);
353 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
355 int security_inode_permission(struct inode *inode, int mask);
356 int security_inode_setattr(struct user_namespace *mnt_userns,
357 struct dentry *dentry, struct iattr *attr);
358 int security_inode_getattr(const struct path *path);
359 int security_inode_setxattr(struct user_namespace *mnt_userns,
360 struct dentry *dentry, const char *name,
361 const void *value, size_t size, int flags);
362 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
363 const void *value, size_t size, int flags);
364 int security_inode_getxattr(struct dentry *dentry, const char *name);
365 int security_inode_listxattr(struct dentry *dentry);
366 int security_inode_removexattr(struct user_namespace *mnt_userns,
367 struct dentry *dentry, const char *name);
368 int security_inode_need_killpriv(struct dentry *dentry);
369 int security_inode_killpriv(struct user_namespace *mnt_userns,
370 struct dentry *dentry);
371 int security_inode_getsecurity(struct user_namespace *mnt_userns,
372 struct inode *inode, const char *name,
373 void **buffer, bool alloc);
374 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
375 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
376 void security_inode_getsecid(struct inode *inode, u32 *secid);
377 int security_inode_copy_up(struct dentry *src, struct cred **new);
378 int security_inode_copy_up_xattr(const char *name);
379 int security_kernfs_init_security(struct kernfs_node *kn_dir,
380 struct kernfs_node *kn);
381 int security_file_permission(struct file *file, int mask);
382 int security_file_alloc(struct file *file);
383 void security_file_free(struct file *file);
384 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
385 int security_mmap_file(struct file *file, unsigned long prot,
386 unsigned long flags);
387 int security_mmap_addr(unsigned long addr);
388 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
390 int security_file_lock(struct file *file, unsigned int cmd);
391 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
392 void security_file_set_fowner(struct file *file);
393 int security_file_send_sigiotask(struct task_struct *tsk,
394 struct fown_struct *fown, int sig);
395 int security_file_receive(struct file *file);
396 int security_file_open(struct file *file);
397 int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
398 void security_task_free(struct task_struct *task);
399 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
400 void security_cred_free(struct cred *cred);
401 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
402 void security_transfer_creds(struct cred *new, const struct cred *old);
403 void security_cred_getsecid(const struct cred *c, u32 *secid);
404 int security_kernel_act_as(struct cred *new, u32 secid);
405 int security_kernel_create_files_as(struct cred *new, struct inode *inode);
406 int security_kernel_module_request(char *kmod_name);
407 int security_kernel_load_data(enum kernel_load_data_id id, bool contents);
408 int security_kernel_post_load_data(char *buf, loff_t size,
409 enum kernel_load_data_id id,
411 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id,
413 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
414 enum kernel_read_file_id id);
415 int security_task_fix_setuid(struct cred *new, const struct cred *old,
417 int security_task_fix_setgid(struct cred *new, const struct cred *old,
419 int security_task_fix_setgroups(struct cred *new, const struct cred *old);
420 int security_task_setpgid(struct task_struct *p, pid_t pgid);
421 int security_task_getpgid(struct task_struct *p);
422 int security_task_getsid(struct task_struct *p);
423 void security_current_getsecid_subj(u32 *secid);
424 void security_task_getsecid_obj(struct task_struct *p, u32 *secid);
425 int security_task_setnice(struct task_struct *p, int nice);
426 int security_task_setioprio(struct task_struct *p, int ioprio);
427 int security_task_getioprio(struct task_struct *p);
428 int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
430 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
431 struct rlimit *new_rlim);
432 int security_task_setscheduler(struct task_struct *p);
433 int security_task_getscheduler(struct task_struct *p);
434 int security_task_movememory(struct task_struct *p);
435 int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
436 int sig, const struct cred *cred);
437 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
438 unsigned long arg4, unsigned long arg5);
439 void security_task_to_inode(struct task_struct *p, struct inode *inode);
440 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
441 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
442 int security_msg_msg_alloc(struct msg_msg *msg);
443 void security_msg_msg_free(struct msg_msg *msg);
444 int security_msg_queue_alloc(struct kern_ipc_perm *msq);
445 void security_msg_queue_free(struct kern_ipc_perm *msq);
446 int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
447 int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
448 int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
449 struct msg_msg *msg, int msqflg);
450 int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
451 struct task_struct *target, long type, int mode);
452 int security_shm_alloc(struct kern_ipc_perm *shp);
453 void security_shm_free(struct kern_ipc_perm *shp);
454 int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
455 int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
456 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
457 int security_sem_alloc(struct kern_ipc_perm *sma);
458 void security_sem_free(struct kern_ipc_perm *sma);
459 int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
460 int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
461 int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
462 unsigned nsops, int alter);
463 void security_d_instantiate(struct dentry *dentry, struct inode *inode);
464 int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
466 int security_setprocattr(const char *lsm, const char *name, void *value,
468 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
469 int security_ismaclabel(const char *name);
470 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
471 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
472 void security_release_secctx(char *secdata, u32 seclen);
473 void security_inode_invalidate_secctx(struct inode *inode);
474 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
475 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
476 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
477 int security_locked_down(enum lockdown_reason what);
478 #else /* CONFIG_SECURITY */
480 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
485 static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
490 static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
495 static inline void security_free_mnt_opts(void **mnt_opts)
500 * This is the default capabilities functionality. Most of these functions
501 * are just stubbed out, but a few must call the proper capable code.
504 static inline int security_init(void)
509 static inline int early_security_init(void)
514 static inline int security_binder_set_context_mgr(const struct cred *mgr)
519 static inline int security_binder_transaction(const struct cred *from,
520 const struct cred *to)
525 static inline int security_binder_transfer_binder(const struct cred *from,
526 const struct cred *to)
531 static inline int security_binder_transfer_file(const struct cred *from,
532 const struct cred *to,
538 static inline int security_ptrace_access_check(struct task_struct *child,
541 return cap_ptrace_access_check(child, mode);
544 static inline int security_ptrace_traceme(struct task_struct *parent)
546 return cap_ptrace_traceme(parent);
549 static inline int security_capget(struct task_struct *target,
550 kernel_cap_t *effective,
551 kernel_cap_t *inheritable,
552 kernel_cap_t *permitted)
554 return cap_capget(target, effective, inheritable, permitted);
557 static inline int security_capset(struct cred *new,
558 const struct cred *old,
559 const kernel_cap_t *effective,
560 const kernel_cap_t *inheritable,
561 const kernel_cap_t *permitted)
563 return cap_capset(new, old, effective, inheritable, permitted);
566 static inline int security_capable(const struct cred *cred,
567 struct user_namespace *ns,
571 return cap_capable(cred, ns, cap, opts);
574 static inline int security_quotactl(int cmds, int type, int id,
575 struct super_block *sb)
580 static inline int security_quota_on(struct dentry *dentry)
585 static inline int security_syslog(int type)
590 static inline int security_settime64(const struct timespec64 *ts,
591 const struct timezone *tz)
593 return cap_settime(ts, tz);
596 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
598 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
601 static inline int security_bprm_creds_for_exec(struct linux_binprm *bprm)
606 static inline int security_bprm_creds_from_file(struct linux_binprm *bprm,
609 return cap_bprm_creds_from_file(bprm, file);
612 static inline int security_bprm_check(struct linux_binprm *bprm)
617 static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
621 static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
625 static inline int security_fs_context_dup(struct fs_context *fc,
626 struct fs_context *src_fc)
630 static inline int security_fs_context_parse_param(struct fs_context *fc,
631 struct fs_parameter *param)
636 static inline int security_sb_alloc(struct super_block *sb)
641 static inline void security_sb_delete(struct super_block *sb)
644 static inline void security_sb_free(struct super_block *sb)
647 static inline int security_sb_eat_lsm_opts(char *options,
653 static inline int security_sb_remount(struct super_block *sb,
659 static inline int security_sb_mnt_opts_compat(struct super_block *sb,
666 static inline int security_sb_kern_mount(struct super_block *sb)
671 static inline int security_sb_show_options(struct seq_file *m,
672 struct super_block *sb)
677 static inline int security_sb_statfs(struct dentry *dentry)
682 static inline int security_sb_mount(const char *dev_name, const struct path *path,
683 const char *type, unsigned long flags,
689 static inline int security_sb_umount(struct vfsmount *mnt, int flags)
694 static inline int security_sb_pivotroot(const struct path *old_path,
695 const struct path *new_path)
700 static inline int security_sb_set_mnt_opts(struct super_block *sb,
702 unsigned long kern_flags,
703 unsigned long *set_kern_flags)
708 static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
709 struct super_block *newsb,
710 unsigned long kern_flags,
711 unsigned long *set_kern_flags)
716 static inline int security_move_mount(const struct path *from_path,
717 const struct path *to_path)
722 static inline int security_path_notify(const struct path *path, u64 mask,
723 unsigned int obj_type)
728 static inline int security_inode_alloc(struct inode *inode)
733 static inline void security_inode_free(struct inode *inode)
736 static inline int security_dentry_init_security(struct dentry *dentry,
738 const struct qstr *name,
739 const char **xattr_name,
746 static inline int security_dentry_create_files_as(struct dentry *dentry,
747 int mode, struct qstr *name,
748 const struct cred *old,
755 static inline int security_inode_init_security(struct inode *inode,
757 const struct qstr *qstr,
758 const initxattrs xattrs,
764 static inline int security_inode_init_security_anon(struct inode *inode,
765 const struct qstr *name,
766 const struct inode *context_inode)
771 static inline int security_old_inode_init_security(struct inode *inode,
773 const struct qstr *qstr,
775 void **value, size_t *len)
780 static inline int security_inode_create(struct inode *dir,
781 struct dentry *dentry,
787 static inline int security_inode_link(struct dentry *old_dentry,
789 struct dentry *new_dentry)
794 static inline int security_inode_unlink(struct inode *dir,
795 struct dentry *dentry)
800 static inline int security_inode_symlink(struct inode *dir,
801 struct dentry *dentry,
802 const char *old_name)
807 static inline int security_inode_mkdir(struct inode *dir,
808 struct dentry *dentry,
814 static inline int security_inode_rmdir(struct inode *dir,
815 struct dentry *dentry)
820 static inline int security_inode_mknod(struct inode *dir,
821 struct dentry *dentry,
827 static inline int security_inode_rename(struct inode *old_dir,
828 struct dentry *old_dentry,
829 struct inode *new_dir,
830 struct dentry *new_dentry,
836 static inline int security_inode_readlink(struct dentry *dentry)
841 static inline int security_inode_follow_link(struct dentry *dentry,
848 static inline int security_inode_permission(struct inode *inode, int mask)
853 static inline int security_inode_setattr(struct user_namespace *mnt_userns,
854 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 void security_cred_getsecid(const struct cred *c, u32 *secid)
1048 static inline int security_kernel_act_as(struct cred *cred, u32 secid)
1053 static inline int security_kernel_create_files_as(struct cred *cred,
1054 struct inode *inode)
1059 static inline int security_kernel_module_request(char *kmod_name)
1064 static inline int security_kernel_load_data(enum kernel_load_data_id id, bool contents)
1069 static inline int security_kernel_post_load_data(char *buf, loff_t size,
1070 enum kernel_load_data_id id,
1076 static inline int security_kernel_read_file(struct file *file,
1077 enum kernel_read_file_id id,
1083 static inline int security_kernel_post_read_file(struct file *file,
1084 char *buf, loff_t size,
1085 enum kernel_read_file_id id)
1090 static inline int security_task_fix_setuid(struct cred *new,
1091 const struct cred *old,
1094 return cap_task_fix_setuid(new, old, flags);
1097 static inline int security_task_fix_setgid(struct cred *new,
1098 const struct cred *old,
1104 static inline int security_task_fix_setgroups(struct cred *new,
1105 const struct cred *old)
1110 static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1115 static inline int security_task_getpgid(struct task_struct *p)
1120 static inline int security_task_getsid(struct task_struct *p)
1125 static inline void security_current_getsecid_subj(u32 *secid)
1130 static inline void security_task_getsecid_obj(struct task_struct *p, u32 *secid)
1135 static inline int security_task_setnice(struct task_struct *p, int nice)
1137 return cap_task_setnice(p, nice);
1140 static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1142 return cap_task_setioprio(p, ioprio);
1145 static inline int security_task_getioprio(struct task_struct *p)
1150 static inline int security_task_prlimit(const struct cred *cred,
1151 const struct cred *tcred,
1157 static inline int security_task_setrlimit(struct task_struct *p,
1158 unsigned int resource,
1159 struct rlimit *new_rlim)
1164 static inline int security_task_setscheduler(struct task_struct *p)
1166 return cap_task_setscheduler(p);
1169 static inline int security_task_getscheduler(struct task_struct *p)
1174 static inline int security_task_movememory(struct task_struct *p)
1179 static inline int security_task_kill(struct task_struct *p,
1180 struct kernel_siginfo *info, int sig,
1181 const struct cred *cred)
1186 static inline int security_task_prctl(int option, unsigned long arg2,
1191 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1194 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1197 static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1203 static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1208 static inline int security_msg_msg_alloc(struct msg_msg *msg)
1213 static inline void security_msg_msg_free(struct msg_msg *msg)
1216 static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1221 static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1224 static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1230 static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1235 static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1236 struct msg_msg *msg, int msqflg)
1241 static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1242 struct msg_msg *msg,
1243 struct task_struct *target,
1244 long type, int mode)
1249 static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1254 static inline void security_shm_free(struct kern_ipc_perm *shp)
1257 static inline int security_shm_associate(struct kern_ipc_perm *shp,
1263 static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1268 static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1269 char __user *shmaddr, int shmflg)
1274 static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1279 static inline void security_sem_free(struct kern_ipc_perm *sma)
1282 static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1287 static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1292 static inline int security_sem_semop(struct kern_ipc_perm *sma,
1293 struct sembuf *sops, unsigned nsops,
1299 static inline void security_d_instantiate(struct dentry *dentry,
1300 struct inode *inode)
1303 static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1304 char *name, char **value)
1309 static inline int security_setprocattr(const char *lsm, char *name,
1310 void *value, size_t size)
1315 static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1320 static inline int security_ismaclabel(const char *name)
1325 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1330 static inline int security_secctx_to_secid(const char *secdata,
1337 static inline void security_release_secctx(char *secdata, u32 seclen)
1341 static inline void security_inode_invalidate_secctx(struct inode *inode)
1345 static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1349 static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1353 static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1357 static inline int security_locked_down(enum lockdown_reason what)
1361 #endif /* CONFIG_SECURITY */
1363 #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
1364 int security_post_notification(const struct cred *w_cred,
1365 const struct cred *cred,
1366 struct watch_notification *n);
1368 static inline int security_post_notification(const struct cred *w_cred,
1369 const struct cred *cred,
1370 struct watch_notification *n)
1376 #if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
1377 int security_watch_key(struct key *key);
1379 static inline int security_watch_key(struct key *key)
1385 #ifdef CONFIG_SECURITY_NETWORK
1387 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1388 int security_unix_may_send(struct socket *sock, struct socket *other);
1389 int security_socket_create(int family, int type, int protocol, int kern);
1390 int security_socket_post_create(struct socket *sock, int family,
1391 int type, int protocol, int kern);
1392 int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1393 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1394 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1395 int security_socket_listen(struct socket *sock, int backlog);
1396 int security_socket_accept(struct socket *sock, struct socket *newsock);
1397 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1398 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1399 int size, int flags);
1400 int security_socket_getsockname(struct socket *sock);
1401 int security_socket_getpeername(struct socket *sock);
1402 int security_socket_getsockopt(struct socket *sock, int level, int optname);
1403 int security_socket_setsockopt(struct socket *sock, int level, int optname);
1404 int security_socket_shutdown(struct socket *sock, int how);
1405 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1406 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1407 int __user *optlen, unsigned len);
1408 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1409 int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1410 void security_sk_free(struct sock *sk);
1411 void security_sk_clone(const struct sock *sk, struct sock *newsk);
1412 void security_sk_classify_flow(struct sock *sk, struct flowi_common *flic);
1413 void security_req_classify_flow(const struct request_sock *req,
1414 struct flowi_common *flic);
1415 void security_sock_graft(struct sock*sk, struct socket *parent);
1416 int security_inet_conn_request(const struct sock *sk,
1417 struct sk_buff *skb, struct request_sock *req);
1418 void security_inet_csk_clone(struct sock *newsk,
1419 const struct request_sock *req);
1420 void security_inet_conn_established(struct sock *sk,
1421 struct sk_buff *skb);
1422 int security_secmark_relabel_packet(u32 secid);
1423 void security_secmark_refcount_inc(void);
1424 void security_secmark_refcount_dec(void);
1425 int security_tun_dev_alloc_security(void **security);
1426 void security_tun_dev_free_security(void *security);
1427 int security_tun_dev_create(void);
1428 int security_tun_dev_attach_queue(void *security);
1429 int security_tun_dev_attach(struct sock *sk, void *security);
1430 int security_tun_dev_open(void *security);
1431 int security_sctp_assoc_request(struct sctp_association *asoc, struct sk_buff *skb);
1432 int security_sctp_bind_connect(struct sock *sk, int optname,
1433 struct sockaddr *address, int addrlen);
1434 void security_sctp_sk_clone(struct sctp_association *asoc, struct sock *sk,
1435 struct sock *newsk);
1436 int security_sctp_assoc_established(struct sctp_association *asoc,
1437 struct sk_buff *skb);
1439 #else /* CONFIG_SECURITY_NETWORK */
1440 static inline int security_unix_stream_connect(struct sock *sock,
1447 static inline int security_unix_may_send(struct socket *sock,
1448 struct socket *other)
1453 static inline int security_socket_create(int family, int type,
1454 int protocol, int kern)
1459 static inline int security_socket_post_create(struct socket *sock,
1462 int protocol, int kern)
1467 static inline int security_socket_socketpair(struct socket *socka,
1468 struct socket *sockb)
1473 static inline int security_socket_bind(struct socket *sock,
1474 struct sockaddr *address,
1480 static inline int security_socket_connect(struct socket *sock,
1481 struct sockaddr *address,
1487 static inline int security_socket_listen(struct socket *sock, int backlog)
1492 static inline int security_socket_accept(struct socket *sock,
1493 struct socket *newsock)
1498 static inline int security_socket_sendmsg(struct socket *sock,
1499 struct msghdr *msg, int size)
1504 static inline int security_socket_recvmsg(struct socket *sock,
1505 struct msghdr *msg, int size,
1511 static inline int security_socket_getsockname(struct socket *sock)
1516 static inline int security_socket_getpeername(struct socket *sock)
1521 static inline int security_socket_getsockopt(struct socket *sock,
1522 int level, int optname)
1527 static inline int security_socket_setsockopt(struct socket *sock,
1528 int level, int optname)
1533 static inline int security_socket_shutdown(struct socket *sock, int how)
1537 static inline int security_sock_rcv_skb(struct sock *sk,
1538 struct sk_buff *skb)
1543 static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1544 int __user *optlen, unsigned len)
1546 return -ENOPROTOOPT;
1549 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1551 return -ENOPROTOOPT;
1554 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1559 static inline void security_sk_free(struct sock *sk)
1563 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1567 static inline void security_sk_classify_flow(struct sock *sk,
1568 struct flowi_common *flic)
1572 static inline void security_req_classify_flow(const struct request_sock *req,
1573 struct flowi_common *flic)
1577 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1581 static inline int security_inet_conn_request(const struct sock *sk,
1582 struct sk_buff *skb, struct request_sock *req)
1587 static inline void security_inet_csk_clone(struct sock *newsk,
1588 const struct request_sock *req)
1592 static inline void security_inet_conn_established(struct sock *sk,
1593 struct sk_buff *skb)
1597 static inline int security_secmark_relabel_packet(u32 secid)
1602 static inline void security_secmark_refcount_inc(void)
1606 static inline void security_secmark_refcount_dec(void)
1610 static inline int security_tun_dev_alloc_security(void **security)
1615 static inline void security_tun_dev_free_security(void *security)
1619 static inline int security_tun_dev_create(void)
1624 static inline int security_tun_dev_attach_queue(void *security)
1629 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1634 static inline int security_tun_dev_open(void *security)
1639 static inline int security_sctp_assoc_request(struct sctp_association *asoc,
1640 struct sk_buff *skb)
1645 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1646 struct sockaddr *address,
1652 static inline void security_sctp_sk_clone(struct sctp_association *asoc,
1658 static inline int security_sctp_assoc_established(struct sctp_association *asoc,
1659 struct sk_buff *skb)
1663 #endif /* CONFIG_SECURITY_NETWORK */
1665 #ifdef CONFIG_SECURITY_INFINIBAND
1666 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1667 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1668 int security_ib_alloc_security(void **sec);
1669 void security_ib_free_security(void *sec);
1670 #else /* CONFIG_SECURITY_INFINIBAND */
1671 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1676 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1681 static inline int security_ib_alloc_security(void **sec)
1686 static inline void security_ib_free_security(void *sec)
1689 #endif /* CONFIG_SECURITY_INFINIBAND */
1691 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1693 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1694 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1695 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1696 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1697 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1698 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1699 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1700 struct xfrm_sec_ctx *polsec, u32 secid);
1701 int security_xfrm_state_delete(struct xfrm_state *x);
1702 void security_xfrm_state_free(struct xfrm_state *x);
1703 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid);
1704 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1705 struct xfrm_policy *xp,
1706 const struct flowi_common *flic);
1707 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1708 void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic);
1710 #else /* CONFIG_SECURITY_NETWORK_XFRM */
1712 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1713 struct xfrm_user_sec_ctx *sec_ctx,
1719 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1724 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1728 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1733 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1734 struct xfrm_user_sec_ctx *sec_ctx)
1739 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1740 struct xfrm_sec_ctx *polsec, u32 secid)
1745 static inline void security_xfrm_state_free(struct xfrm_state *x)
1749 static inline int security_xfrm_state_delete(struct xfrm_state *x)
1754 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid)
1759 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1760 struct xfrm_policy *xp,
1761 const struct flowi_common *flic)
1766 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1771 static inline void security_skb_classify_flow(struct sk_buff *skb,
1772 struct flowi_common *flic)
1776 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1778 #ifdef CONFIG_SECURITY_PATH
1779 int security_path_unlink(const struct path *dir, struct dentry *dentry);
1780 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1781 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1782 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1784 int security_path_truncate(const struct path *path);
1785 int security_path_symlink(const struct path *dir, struct dentry *dentry,
1786 const char *old_name);
1787 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1788 struct dentry *new_dentry);
1789 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1790 const struct path *new_dir, struct dentry *new_dentry,
1791 unsigned int flags);
1792 int security_path_chmod(const struct path *path, umode_t mode);
1793 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1794 int security_path_chroot(const struct path *path);
1795 #else /* CONFIG_SECURITY_PATH */
1796 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1801 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1807 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1812 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1813 umode_t mode, unsigned int dev)
1818 static inline int security_path_truncate(const struct path *path)
1823 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1824 const char *old_name)
1829 static inline int security_path_link(struct dentry *old_dentry,
1830 const struct path *new_dir,
1831 struct dentry *new_dentry)
1836 static inline int security_path_rename(const struct path *old_dir,
1837 struct dentry *old_dentry,
1838 const struct path *new_dir,
1839 struct dentry *new_dentry,
1845 static inline int security_path_chmod(const struct path *path, umode_t mode)
1850 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1855 static inline int security_path_chroot(const struct path *path)
1859 #endif /* CONFIG_SECURITY_PATH */
1862 #ifdef CONFIG_SECURITY
1864 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1865 void security_key_free(struct key *key);
1866 int security_key_permission(key_ref_t key_ref, const struct cred *cred,
1867 enum key_need_perm need_perm);
1868 int security_key_getsecurity(struct key *key, char **_buffer);
1872 static inline int security_key_alloc(struct key *key,
1873 const struct cred *cred,
1874 unsigned long flags)
1879 static inline void security_key_free(struct key *key)
1883 static inline int security_key_permission(key_ref_t key_ref,
1884 const struct cred *cred,
1885 enum key_need_perm need_perm)
1890 static inline int security_key_getsecurity(struct key *key, char **_buffer)
1897 #endif /* CONFIG_KEYS */
1900 #ifdef CONFIG_SECURITY
1901 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1902 int security_audit_rule_known(struct audit_krule *krule);
1903 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1904 void security_audit_rule_free(void *lsmrule);
1908 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1914 static inline int security_audit_rule_known(struct audit_krule *krule)
1919 static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1925 static inline void security_audit_rule_free(void *lsmrule)
1928 #endif /* CONFIG_SECURITY */
1929 #endif /* CONFIG_AUDIT */
1931 #ifdef CONFIG_SECURITYFS
1933 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1934 struct dentry *parent, void *data,
1935 const struct file_operations *fops);
1936 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1937 struct dentry *securityfs_create_symlink(const char *name,
1938 struct dentry *parent,
1940 const struct inode_operations *iops);
1941 extern void securityfs_remove(struct dentry *dentry);
1943 #else /* CONFIG_SECURITYFS */
1945 static inline struct dentry *securityfs_create_dir(const char *name,
1946 struct dentry *parent)
1948 return ERR_PTR(-ENODEV);
1951 static inline struct dentry *securityfs_create_file(const char *name,
1953 struct dentry *parent,
1955 const struct file_operations *fops)
1957 return ERR_PTR(-ENODEV);
1960 static inline struct dentry *securityfs_create_symlink(const char *name,
1961 struct dentry *parent,
1963 const struct inode_operations *iops)
1965 return ERR_PTR(-ENODEV);
1968 static inline void securityfs_remove(struct dentry *dentry)
1973 #ifdef CONFIG_BPF_SYSCALL
1977 struct bpf_prog_aux;
1978 #ifdef CONFIG_SECURITY
1979 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1980 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1981 extern int security_bpf_prog(struct bpf_prog *prog);
1982 extern int security_bpf_map_alloc(struct bpf_map *map);
1983 extern void security_bpf_map_free(struct bpf_map *map);
1984 extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1985 extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1987 static inline int security_bpf(int cmd, union bpf_attr *attr,
1993 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1998 static inline int security_bpf_prog(struct bpf_prog *prog)
2003 static inline int security_bpf_map_alloc(struct bpf_map *map)
2008 static inline void security_bpf_map_free(struct bpf_map *map)
2011 static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
2016 static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
2018 #endif /* CONFIG_SECURITY */
2019 #endif /* CONFIG_BPF_SYSCALL */
2021 #ifdef CONFIG_PERF_EVENTS
2022 struct perf_event_attr;
2025 #ifdef CONFIG_SECURITY
2026 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
2027 extern int security_perf_event_alloc(struct perf_event *event);
2028 extern void security_perf_event_free(struct perf_event *event);
2029 extern int security_perf_event_read(struct perf_event *event);
2030 extern int security_perf_event_write(struct perf_event *event);
2032 static inline int security_perf_event_open(struct perf_event_attr *attr,
2038 static inline int security_perf_event_alloc(struct perf_event *event)
2043 static inline void security_perf_event_free(struct perf_event *event)
2047 static inline int security_perf_event_read(struct perf_event *event)
2052 static inline int security_perf_event_write(struct perf_event *event)
2056 #endif /* CONFIG_SECURITY */
2057 #endif /* CONFIG_PERF_EVENTS */
2059 #ifdef CONFIG_IO_URING
2060 #ifdef CONFIG_SECURITY
2061 extern int security_uring_override_creds(const struct cred *new);
2062 extern int security_uring_sqpoll(void);
2064 static inline int security_uring_override_creds(const struct cred *new)
2068 static inline int security_uring_sqpoll(void)
2072 #endif /* CONFIG_SECURITY */
2073 #endif /* CONFIG_IO_URING */
2075 #endif /* ! __LINUX_SECURITY_H */