xref: /linux/security/security.c (revision 2bc46b3ad3c15165f91459b07ff8682478683194)
1 /*
2  * Security plug functions
3  *
4  * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
5  * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com>
6  * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
7  *
8  *	This program is free software; you can redistribute it and/or modify
9  *	it under the terms of the GNU General Public License as published by
10  *	the Free Software Foundation; either version 2 of the License, or
11  *	(at your option) any later version.
12  */
13 
14 #include <linux/capability.h>
15 #include <linux/dcache.h>
16 #include <linux/module.h>
17 #include <linux/init.h>
18 #include <linux/kernel.h>
19 #include <linux/lsm_hooks.h>
20 #include <linux/integrity.h>
21 #include <linux/ima.h>
22 #include <linux/evm.h>
23 #include <linux/fsnotify.h>
24 #include <linux/mman.h>
25 #include <linux/mount.h>
26 #include <linux/personality.h>
27 #include <linux/backing-dev.h>
28 #include <net/flow.h>
29 
30 #define MAX_LSM_EVM_XATTR	2
31 
32 /* Maximum number of letters for an LSM name string */
33 #define SECURITY_NAME_MAX	10
34 
35 /* Boot-time LSM user choice */
36 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
37 	CONFIG_DEFAULT_SECURITY;
38 
39 static void __init do_security_initcalls(void)
40 {
41 	initcall_t *call;
42 	call = __security_initcall_start;
43 	while (call < __security_initcall_end) {
44 		(*call) ();
45 		call++;
46 	}
47 }
48 
49 /**
50  * security_init - initializes the security framework
51  *
52  * This should be called early in the kernel initialization sequence.
53  */
54 int __init security_init(void)
55 {
56 	pr_info("Security Framework initialized\n");
57 
58 	/*
59 	 * Load minor LSMs, with the capability module always first.
60 	 */
61 	capability_add_hooks();
62 	yama_add_hooks();
63 	loadpin_add_hooks();
64 
65 	/*
66 	 * Load all the remaining security modules.
67 	 */
68 	do_security_initcalls();
69 
70 	return 0;
71 }
72 
73 /* Save user chosen LSM */
74 static int __init choose_lsm(char *str)
75 {
76 	strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
77 	return 1;
78 }
79 __setup("security=", choose_lsm);
80 
81 /**
82  * security_module_enable - Load given security module on boot ?
83  * @module: the name of the module
84  *
85  * Each LSM must pass this method before registering its own operations
86  * to avoid security registration races. This method may also be used
87  * to check if your LSM is currently loaded during kernel initialization.
88  *
89  * Return true if:
90  *	-The passed LSM is the one chosen by user at boot time,
91  *	-or the passed LSM is configured as the default and the user did not
92  *	 choose an alternate LSM at boot time.
93  * Otherwise, return false.
94  */
95 int __init security_module_enable(const char *module)
96 {
97 	return !strcmp(module, chosen_lsm);
98 }
99 
100 /*
101  * Hook list operation macros.
102  *
103  * call_void_hook:
104  *	This is a hook that does not return a value.
105  *
106  * call_int_hook:
107  *	This is a hook that returns a value.
108  */
109 
110 #define call_void_hook(FUNC, ...)				\
111 	do {							\
112 		struct security_hook_list *P;			\
113 								\
114 		list_for_each_entry(P, &security_hook_heads.FUNC, list)	\
115 			P->hook.FUNC(__VA_ARGS__);		\
116 	} while (0)
117 
118 #define call_int_hook(FUNC, IRC, ...) ({			\
119 	int RC = IRC;						\
120 	do {							\
121 		struct security_hook_list *P;			\
122 								\
123 		list_for_each_entry(P, &security_hook_heads.FUNC, list) { \
124 			RC = P->hook.FUNC(__VA_ARGS__);		\
125 			if (RC != 0)				\
126 				break;				\
127 		}						\
128 	} while (0);						\
129 	RC;							\
130 })
131 
132 /* Security operations */
133 
134 int security_binder_set_context_mgr(struct task_struct *mgr)
135 {
136 	return call_int_hook(binder_set_context_mgr, 0, mgr);
137 }
138 
139 int security_binder_transaction(struct task_struct *from,
140 				struct task_struct *to)
141 {
142 	return call_int_hook(binder_transaction, 0, from, to);
143 }
144 
145 int security_binder_transfer_binder(struct task_struct *from,
146 				    struct task_struct *to)
147 {
148 	return call_int_hook(binder_transfer_binder, 0, from, to);
149 }
150 
151 int security_binder_transfer_file(struct task_struct *from,
152 				  struct task_struct *to, struct file *file)
153 {
154 	return call_int_hook(binder_transfer_file, 0, from, to, file);
155 }
156 
157 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
158 {
159 	return call_int_hook(ptrace_access_check, 0, child, mode);
160 }
161 
162 int security_ptrace_traceme(struct task_struct *parent)
163 {
164 	return call_int_hook(ptrace_traceme, 0, parent);
165 }
166 
167 int security_capget(struct task_struct *target,
168 		     kernel_cap_t *effective,
169 		     kernel_cap_t *inheritable,
170 		     kernel_cap_t *permitted)
171 {
172 	return call_int_hook(capget, 0, target,
173 				effective, inheritable, permitted);
174 }
175 
176 int security_capset(struct cred *new, const struct cred *old,
177 		    const kernel_cap_t *effective,
178 		    const kernel_cap_t *inheritable,
179 		    const kernel_cap_t *permitted)
180 {
181 	return call_int_hook(capset, 0, new, old,
182 				effective, inheritable, permitted);
183 }
184 
185 int security_capable(const struct cred *cred, struct user_namespace *ns,
186 		     int cap)
187 {
188 	return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT);
189 }
190 
191 int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
192 			     int cap)
193 {
194 	return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT);
195 }
196 
197 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
198 {
199 	return call_int_hook(quotactl, 0, cmds, type, id, sb);
200 }
201 
202 int security_quota_on(struct dentry *dentry)
203 {
204 	return call_int_hook(quota_on, 0, dentry);
205 }
206 
207 int security_syslog(int type)
208 {
209 	return call_int_hook(syslog, 0, type);
210 }
211 
212 int security_settime64(const struct timespec64 *ts, const struct timezone *tz)
213 {
214 	return call_int_hook(settime, 0, ts, tz);
215 }
216 
217 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
218 {
219 	struct security_hook_list *hp;
220 	int cap_sys_admin = 1;
221 	int rc;
222 
223 	/*
224 	 * The module will respond with a positive value if
225 	 * it thinks the __vm_enough_memory() call should be
226 	 * made with the cap_sys_admin set. If all of the modules
227 	 * agree that it should be set it will. If any module
228 	 * thinks it should not be set it won't.
229 	 */
230 	list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) {
231 		rc = hp->hook.vm_enough_memory(mm, pages);
232 		if (rc <= 0) {
233 			cap_sys_admin = 0;
234 			break;
235 		}
236 	}
237 	return __vm_enough_memory(mm, pages, cap_sys_admin);
238 }
239 
240 int security_bprm_set_creds(struct linux_binprm *bprm)
241 {
242 	return call_int_hook(bprm_set_creds, 0, bprm);
243 }
244 
245 int security_bprm_check(struct linux_binprm *bprm)
246 {
247 	int ret;
248 
249 	ret = call_int_hook(bprm_check_security, 0, bprm);
250 	if (ret)
251 		return ret;
252 	return ima_bprm_check(bprm);
253 }
254 
255 void security_bprm_committing_creds(struct linux_binprm *bprm)
256 {
257 	call_void_hook(bprm_committing_creds, bprm);
258 }
259 
260 void security_bprm_committed_creds(struct linux_binprm *bprm)
261 {
262 	call_void_hook(bprm_committed_creds, bprm);
263 }
264 
265 int security_bprm_secureexec(struct linux_binprm *bprm)
266 {
267 	return call_int_hook(bprm_secureexec, 0, bprm);
268 }
269 
270 int security_sb_alloc(struct super_block *sb)
271 {
272 	return call_int_hook(sb_alloc_security, 0, sb);
273 }
274 
275 void security_sb_free(struct super_block *sb)
276 {
277 	call_void_hook(sb_free_security, sb);
278 }
279 
280 int security_sb_copy_data(char *orig, char *copy)
281 {
282 	return call_int_hook(sb_copy_data, 0, orig, copy);
283 }
284 EXPORT_SYMBOL(security_sb_copy_data);
285 
286 int security_sb_remount(struct super_block *sb, void *data)
287 {
288 	return call_int_hook(sb_remount, 0, sb, data);
289 }
290 
291 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
292 {
293 	return call_int_hook(sb_kern_mount, 0, sb, flags, data);
294 }
295 
296 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
297 {
298 	return call_int_hook(sb_show_options, 0, m, sb);
299 }
300 
301 int security_sb_statfs(struct dentry *dentry)
302 {
303 	return call_int_hook(sb_statfs, 0, dentry);
304 }
305 
306 int security_sb_mount(const char *dev_name, const struct path *path,
307                        const char *type, unsigned long flags, void *data)
308 {
309 	return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data);
310 }
311 
312 int security_sb_umount(struct vfsmount *mnt, int flags)
313 {
314 	return call_int_hook(sb_umount, 0, mnt, flags);
315 }
316 
317 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path)
318 {
319 	return call_int_hook(sb_pivotroot, 0, old_path, new_path);
320 }
321 
322 int security_sb_set_mnt_opts(struct super_block *sb,
323 				struct security_mnt_opts *opts,
324 				unsigned long kern_flags,
325 				unsigned long *set_kern_flags)
326 {
327 	return call_int_hook(sb_set_mnt_opts,
328 				opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb,
329 				opts, kern_flags, set_kern_flags);
330 }
331 EXPORT_SYMBOL(security_sb_set_mnt_opts);
332 
333 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
334 				struct super_block *newsb)
335 {
336 	return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb);
337 }
338 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
339 
340 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
341 {
342 	return call_int_hook(sb_parse_opts_str, 0, options, opts);
343 }
344 EXPORT_SYMBOL(security_sb_parse_opts_str);
345 
346 int security_inode_alloc(struct inode *inode)
347 {
348 	inode->i_security = NULL;
349 	return call_int_hook(inode_alloc_security, 0, inode);
350 }
351 
352 void security_inode_free(struct inode *inode)
353 {
354 	integrity_inode_free(inode);
355 	call_void_hook(inode_free_security, inode);
356 }
357 
358 int security_dentry_init_security(struct dentry *dentry, int mode,
359 					struct qstr *name, void **ctx,
360 					u32 *ctxlen)
361 {
362 	return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode,
363 				name, ctx, ctxlen);
364 }
365 EXPORT_SYMBOL(security_dentry_init_security);
366 
367 int security_inode_init_security(struct inode *inode, struct inode *dir,
368 				 const struct qstr *qstr,
369 				 const initxattrs initxattrs, void *fs_data)
370 {
371 	struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
372 	struct xattr *lsm_xattr, *evm_xattr, *xattr;
373 	int ret;
374 
375 	if (unlikely(IS_PRIVATE(inode)))
376 		return 0;
377 
378 	if (!initxattrs)
379 		return call_int_hook(inode_init_security, -EOPNOTSUPP, inode,
380 				     dir, qstr, NULL, NULL, NULL);
381 	memset(new_xattrs, 0, sizeof(new_xattrs));
382 	lsm_xattr = new_xattrs;
383 	ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr,
384 						&lsm_xattr->name,
385 						&lsm_xattr->value,
386 						&lsm_xattr->value_len);
387 	if (ret)
388 		goto out;
389 
390 	evm_xattr = lsm_xattr + 1;
391 	ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
392 	if (ret)
393 		goto out;
394 	ret = initxattrs(inode, new_xattrs, fs_data);
395 out:
396 	for (xattr = new_xattrs; xattr->value != NULL; xattr++)
397 		kfree(xattr->value);
398 	return (ret == -EOPNOTSUPP) ? 0 : ret;
399 }
400 EXPORT_SYMBOL(security_inode_init_security);
401 
402 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
403 				     const struct qstr *qstr, const char **name,
404 				     void **value, size_t *len)
405 {
406 	if (unlikely(IS_PRIVATE(inode)))
407 		return -EOPNOTSUPP;
408 	return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir,
409 			     qstr, name, value, len);
410 }
411 EXPORT_SYMBOL(security_old_inode_init_security);
412 
413 #ifdef CONFIG_SECURITY_PATH
414 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
415 			unsigned int dev)
416 {
417 	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
418 		return 0;
419 	return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
420 }
421 EXPORT_SYMBOL(security_path_mknod);
422 
423 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode)
424 {
425 	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
426 		return 0;
427 	return call_int_hook(path_mkdir, 0, dir, dentry, mode);
428 }
429 EXPORT_SYMBOL(security_path_mkdir);
430 
431 int security_path_rmdir(const struct path *dir, struct dentry *dentry)
432 {
433 	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
434 		return 0;
435 	return call_int_hook(path_rmdir, 0, dir, dentry);
436 }
437 
438 int security_path_unlink(const struct path *dir, struct dentry *dentry)
439 {
440 	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
441 		return 0;
442 	return call_int_hook(path_unlink, 0, dir, dentry);
443 }
444 EXPORT_SYMBOL(security_path_unlink);
445 
446 int security_path_symlink(const struct path *dir, struct dentry *dentry,
447 			  const char *old_name)
448 {
449 	if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
450 		return 0;
451 	return call_int_hook(path_symlink, 0, dir, dentry, old_name);
452 }
453 
454 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
455 		       struct dentry *new_dentry)
456 {
457 	if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
458 		return 0;
459 	return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
460 }
461 
462 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
463 			 const struct path *new_dir, struct dentry *new_dentry,
464 			 unsigned int flags)
465 {
466 	if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
467 		     (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
468 		return 0;
469 
470 	if (flags & RENAME_EXCHANGE) {
471 		int err = call_int_hook(path_rename, 0, new_dir, new_dentry,
472 					old_dir, old_dentry);
473 		if (err)
474 			return err;
475 	}
476 
477 	return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
478 				new_dentry);
479 }
480 EXPORT_SYMBOL(security_path_rename);
481 
482 int security_path_truncate(const struct path *path)
483 {
484 	if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
485 		return 0;
486 	return call_int_hook(path_truncate, 0, path);
487 }
488 
489 int security_path_chmod(const struct path *path, umode_t mode)
490 {
491 	if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
492 		return 0;
493 	return call_int_hook(path_chmod, 0, path, mode);
494 }
495 
496 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
497 {
498 	if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
499 		return 0;
500 	return call_int_hook(path_chown, 0, path, uid, gid);
501 }
502 
503 int security_path_chroot(const struct path *path)
504 {
505 	return call_int_hook(path_chroot, 0, path);
506 }
507 #endif
508 
509 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
510 {
511 	if (unlikely(IS_PRIVATE(dir)))
512 		return 0;
513 	return call_int_hook(inode_create, 0, dir, dentry, mode);
514 }
515 EXPORT_SYMBOL_GPL(security_inode_create);
516 
517 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
518 			 struct dentry *new_dentry)
519 {
520 	if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
521 		return 0;
522 	return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
523 }
524 
525 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
526 {
527 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
528 		return 0;
529 	return call_int_hook(inode_unlink, 0, dir, dentry);
530 }
531 
532 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
533 			    const char *old_name)
534 {
535 	if (unlikely(IS_PRIVATE(dir)))
536 		return 0;
537 	return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
538 }
539 
540 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
541 {
542 	if (unlikely(IS_PRIVATE(dir)))
543 		return 0;
544 	return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
545 }
546 EXPORT_SYMBOL_GPL(security_inode_mkdir);
547 
548 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
549 {
550 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
551 		return 0;
552 	return call_int_hook(inode_rmdir, 0, dir, dentry);
553 }
554 
555 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
556 {
557 	if (unlikely(IS_PRIVATE(dir)))
558 		return 0;
559 	return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
560 }
561 
562 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
563 			   struct inode *new_dir, struct dentry *new_dentry,
564 			   unsigned int flags)
565 {
566         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
567             (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
568 		return 0;
569 
570 	if (flags & RENAME_EXCHANGE) {
571 		int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
572 						     old_dir, old_dentry);
573 		if (err)
574 			return err;
575 	}
576 
577 	return call_int_hook(inode_rename, 0, old_dir, old_dentry,
578 					   new_dir, new_dentry);
579 }
580 
581 int security_inode_readlink(struct dentry *dentry)
582 {
583 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
584 		return 0;
585 	return call_int_hook(inode_readlink, 0, dentry);
586 }
587 
588 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
589 			       bool rcu)
590 {
591 	if (unlikely(IS_PRIVATE(inode)))
592 		return 0;
593 	return call_int_hook(inode_follow_link, 0, dentry, inode, rcu);
594 }
595 
596 int security_inode_permission(struct inode *inode, int mask)
597 {
598 	if (unlikely(IS_PRIVATE(inode)))
599 		return 0;
600 	return call_int_hook(inode_permission, 0, inode, mask);
601 }
602 
603 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
604 {
605 	int ret;
606 
607 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
608 		return 0;
609 	ret = call_int_hook(inode_setattr, 0, dentry, attr);
610 	if (ret)
611 		return ret;
612 	return evm_inode_setattr(dentry, attr);
613 }
614 EXPORT_SYMBOL_GPL(security_inode_setattr);
615 
616 int security_inode_getattr(const struct path *path)
617 {
618 	if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
619 		return 0;
620 	return call_int_hook(inode_getattr, 0, path);
621 }
622 
623 int security_inode_setxattr(struct dentry *dentry, const char *name,
624 			    const void *value, size_t size, int flags)
625 {
626 	int ret;
627 
628 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
629 		return 0;
630 	/*
631 	 * SELinux and Smack integrate the cap call,
632 	 * so assume that all LSMs supplying this call do so.
633 	 */
634 	ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size,
635 				flags);
636 
637 	if (ret == 1)
638 		ret = cap_inode_setxattr(dentry, name, value, size, flags);
639 	if (ret)
640 		return ret;
641 	ret = ima_inode_setxattr(dentry, name, value, size);
642 	if (ret)
643 		return ret;
644 	return evm_inode_setxattr(dentry, name, value, size);
645 }
646 
647 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
648 				  const void *value, size_t size, int flags)
649 {
650 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
651 		return;
652 	call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
653 	evm_inode_post_setxattr(dentry, name, value, size);
654 }
655 
656 int security_inode_getxattr(struct dentry *dentry, const char *name)
657 {
658 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
659 		return 0;
660 	return call_int_hook(inode_getxattr, 0, dentry, name);
661 }
662 
663 int security_inode_listxattr(struct dentry *dentry)
664 {
665 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
666 		return 0;
667 	return call_int_hook(inode_listxattr, 0, dentry);
668 }
669 
670 int security_inode_removexattr(struct dentry *dentry, const char *name)
671 {
672 	int ret;
673 
674 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
675 		return 0;
676 	/*
677 	 * SELinux and Smack integrate the cap call,
678 	 * so assume that all LSMs supplying this call do so.
679 	 */
680 	ret = call_int_hook(inode_removexattr, 1, dentry, name);
681 	if (ret == 1)
682 		ret = cap_inode_removexattr(dentry, name);
683 	if (ret)
684 		return ret;
685 	ret = ima_inode_removexattr(dentry, name);
686 	if (ret)
687 		return ret;
688 	return evm_inode_removexattr(dentry, name);
689 }
690 
691 int security_inode_need_killpriv(struct dentry *dentry)
692 {
693 	return call_int_hook(inode_need_killpriv, 0, dentry);
694 }
695 
696 int security_inode_killpriv(struct dentry *dentry)
697 {
698 	return call_int_hook(inode_killpriv, 0, dentry);
699 }
700 
701 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
702 {
703 	if (unlikely(IS_PRIVATE(inode)))
704 		return -EOPNOTSUPP;
705 	return call_int_hook(inode_getsecurity, -EOPNOTSUPP, inode, name,
706 				buffer, alloc);
707 }
708 
709 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
710 {
711 	if (unlikely(IS_PRIVATE(inode)))
712 		return -EOPNOTSUPP;
713 	return call_int_hook(inode_setsecurity, -EOPNOTSUPP, inode, name,
714 				value, size, flags);
715 }
716 
717 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
718 {
719 	if (unlikely(IS_PRIVATE(inode)))
720 		return 0;
721 	return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
722 }
723 EXPORT_SYMBOL(security_inode_listsecurity);
724 
725 void security_inode_getsecid(struct inode *inode, u32 *secid)
726 {
727 	call_void_hook(inode_getsecid, inode, secid);
728 }
729 
730 int security_file_permission(struct file *file, int mask)
731 {
732 	int ret;
733 
734 	ret = call_int_hook(file_permission, 0, file, mask);
735 	if (ret)
736 		return ret;
737 
738 	return fsnotify_perm(file, mask);
739 }
740 
741 int security_file_alloc(struct file *file)
742 {
743 	return call_int_hook(file_alloc_security, 0, file);
744 }
745 
746 void security_file_free(struct file *file)
747 {
748 	call_void_hook(file_free_security, file);
749 }
750 
751 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
752 {
753 	return call_int_hook(file_ioctl, 0, file, cmd, arg);
754 }
755 
756 static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
757 {
758 	/*
759 	 * Does we have PROT_READ and does the application expect
760 	 * it to imply PROT_EXEC?  If not, nothing to talk about...
761 	 */
762 	if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ)
763 		return prot;
764 	if (!(current->personality & READ_IMPLIES_EXEC))
765 		return prot;
766 	/*
767 	 * if that's an anonymous mapping, let it.
768 	 */
769 	if (!file)
770 		return prot | PROT_EXEC;
771 	/*
772 	 * ditto if it's not on noexec mount, except that on !MMU we need
773 	 * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
774 	 */
775 	if (!path_noexec(&file->f_path)) {
776 #ifndef CONFIG_MMU
777 		if (file->f_op->mmap_capabilities) {
778 			unsigned caps = file->f_op->mmap_capabilities(file);
779 			if (!(caps & NOMMU_MAP_EXEC))
780 				return prot;
781 		}
782 #endif
783 		return prot | PROT_EXEC;
784 	}
785 	/* anything on noexec mount won't get PROT_EXEC */
786 	return prot;
787 }
788 
789 int security_mmap_file(struct file *file, unsigned long prot,
790 			unsigned long flags)
791 {
792 	int ret;
793 	ret = call_int_hook(mmap_file, 0, file, prot,
794 					mmap_prot(file, prot), flags);
795 	if (ret)
796 		return ret;
797 	return ima_file_mmap(file, prot);
798 }
799 
800 int security_mmap_addr(unsigned long addr)
801 {
802 	return call_int_hook(mmap_addr, 0, addr);
803 }
804 
805 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
806 			    unsigned long prot)
807 {
808 	return call_int_hook(file_mprotect, 0, vma, reqprot, prot);
809 }
810 
811 int security_file_lock(struct file *file, unsigned int cmd)
812 {
813 	return call_int_hook(file_lock, 0, file, cmd);
814 }
815 
816 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
817 {
818 	return call_int_hook(file_fcntl, 0, file, cmd, arg);
819 }
820 
821 void security_file_set_fowner(struct file *file)
822 {
823 	call_void_hook(file_set_fowner, file);
824 }
825 
826 int security_file_send_sigiotask(struct task_struct *tsk,
827 				  struct fown_struct *fown, int sig)
828 {
829 	return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
830 }
831 
832 int security_file_receive(struct file *file)
833 {
834 	return call_int_hook(file_receive, 0, file);
835 }
836 
837 int security_file_open(struct file *file, const struct cred *cred)
838 {
839 	int ret;
840 
841 	ret = call_int_hook(file_open, 0, file, cred);
842 	if (ret)
843 		return ret;
844 
845 	return fsnotify_perm(file, MAY_OPEN);
846 }
847 
848 int security_task_create(unsigned long clone_flags)
849 {
850 	return call_int_hook(task_create, 0, clone_flags);
851 }
852 
853 void security_task_free(struct task_struct *task)
854 {
855 	call_void_hook(task_free, task);
856 }
857 
858 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
859 {
860 	return call_int_hook(cred_alloc_blank, 0, cred, gfp);
861 }
862 
863 void security_cred_free(struct cred *cred)
864 {
865 	call_void_hook(cred_free, cred);
866 }
867 
868 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
869 {
870 	return call_int_hook(cred_prepare, 0, new, old, gfp);
871 }
872 
873 void security_transfer_creds(struct cred *new, const struct cred *old)
874 {
875 	call_void_hook(cred_transfer, new, old);
876 }
877 
878 int security_kernel_act_as(struct cred *new, u32 secid)
879 {
880 	return call_int_hook(kernel_act_as, 0, new, secid);
881 }
882 
883 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
884 {
885 	return call_int_hook(kernel_create_files_as, 0, new, inode);
886 }
887 
888 int security_kernel_module_request(char *kmod_name)
889 {
890 	return call_int_hook(kernel_module_request, 0, kmod_name);
891 }
892 
893 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id)
894 {
895 	int ret;
896 
897 	ret = call_int_hook(kernel_read_file, 0, file, id);
898 	if (ret)
899 		return ret;
900 	return ima_read_file(file, id);
901 }
902 EXPORT_SYMBOL_GPL(security_kernel_read_file);
903 
904 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
905 				   enum kernel_read_file_id id)
906 {
907 	int ret;
908 
909 	ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id);
910 	if (ret)
911 		return ret;
912 	return ima_post_read_file(file, buf, size, id);
913 }
914 EXPORT_SYMBOL_GPL(security_kernel_post_read_file);
915 
916 int security_task_fix_setuid(struct cred *new, const struct cred *old,
917 			     int flags)
918 {
919 	return call_int_hook(task_fix_setuid, 0, new, old, flags);
920 }
921 
922 int security_task_setpgid(struct task_struct *p, pid_t pgid)
923 {
924 	return call_int_hook(task_setpgid, 0, p, pgid);
925 }
926 
927 int security_task_getpgid(struct task_struct *p)
928 {
929 	return call_int_hook(task_getpgid, 0, p);
930 }
931 
932 int security_task_getsid(struct task_struct *p)
933 {
934 	return call_int_hook(task_getsid, 0, p);
935 }
936 
937 void security_task_getsecid(struct task_struct *p, u32 *secid)
938 {
939 	*secid = 0;
940 	call_void_hook(task_getsecid, p, secid);
941 }
942 EXPORT_SYMBOL(security_task_getsecid);
943 
944 int security_task_setnice(struct task_struct *p, int nice)
945 {
946 	return call_int_hook(task_setnice, 0, p, nice);
947 }
948 
949 int security_task_setioprio(struct task_struct *p, int ioprio)
950 {
951 	return call_int_hook(task_setioprio, 0, p, ioprio);
952 }
953 
954 int security_task_getioprio(struct task_struct *p)
955 {
956 	return call_int_hook(task_getioprio, 0, p);
957 }
958 
959 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
960 		struct rlimit *new_rlim)
961 {
962 	return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
963 }
964 
965 int security_task_setscheduler(struct task_struct *p)
966 {
967 	return call_int_hook(task_setscheduler, 0, p);
968 }
969 
970 int security_task_getscheduler(struct task_struct *p)
971 {
972 	return call_int_hook(task_getscheduler, 0, p);
973 }
974 
975 int security_task_movememory(struct task_struct *p)
976 {
977 	return call_int_hook(task_movememory, 0, p);
978 }
979 
980 int security_task_kill(struct task_struct *p, struct siginfo *info,
981 			int sig, u32 secid)
982 {
983 	return call_int_hook(task_kill, 0, p, info, sig, secid);
984 }
985 
986 int security_task_wait(struct task_struct *p)
987 {
988 	return call_int_hook(task_wait, 0, p);
989 }
990 
991 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
992 			 unsigned long arg4, unsigned long arg5)
993 {
994 	int thisrc;
995 	int rc = -ENOSYS;
996 	struct security_hook_list *hp;
997 
998 	list_for_each_entry(hp, &security_hook_heads.task_prctl, list) {
999 		thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5);
1000 		if (thisrc != -ENOSYS) {
1001 			rc = thisrc;
1002 			if (thisrc != 0)
1003 				break;
1004 		}
1005 	}
1006 	return rc;
1007 }
1008 
1009 void security_task_to_inode(struct task_struct *p, struct inode *inode)
1010 {
1011 	call_void_hook(task_to_inode, p, inode);
1012 }
1013 
1014 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
1015 {
1016 	return call_int_hook(ipc_permission, 0, ipcp, flag);
1017 }
1018 
1019 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1020 {
1021 	*secid = 0;
1022 	call_void_hook(ipc_getsecid, ipcp, secid);
1023 }
1024 
1025 int security_msg_msg_alloc(struct msg_msg *msg)
1026 {
1027 	return call_int_hook(msg_msg_alloc_security, 0, msg);
1028 }
1029 
1030 void security_msg_msg_free(struct msg_msg *msg)
1031 {
1032 	call_void_hook(msg_msg_free_security, msg);
1033 }
1034 
1035 int security_msg_queue_alloc(struct msg_queue *msq)
1036 {
1037 	return call_int_hook(msg_queue_alloc_security, 0, msq);
1038 }
1039 
1040 void security_msg_queue_free(struct msg_queue *msq)
1041 {
1042 	call_void_hook(msg_queue_free_security, msq);
1043 }
1044 
1045 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
1046 {
1047 	return call_int_hook(msg_queue_associate, 0, msq, msqflg);
1048 }
1049 
1050 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
1051 {
1052 	return call_int_hook(msg_queue_msgctl, 0, msq, cmd);
1053 }
1054 
1055 int security_msg_queue_msgsnd(struct msg_queue *msq,
1056 			       struct msg_msg *msg, int msqflg)
1057 {
1058 	return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg);
1059 }
1060 
1061 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
1062 			       struct task_struct *target, long type, int mode)
1063 {
1064 	return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
1065 }
1066 
1067 int security_shm_alloc(struct shmid_kernel *shp)
1068 {
1069 	return call_int_hook(shm_alloc_security, 0, shp);
1070 }
1071 
1072 void security_shm_free(struct shmid_kernel *shp)
1073 {
1074 	call_void_hook(shm_free_security, shp);
1075 }
1076 
1077 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
1078 {
1079 	return call_int_hook(shm_associate, 0, shp, shmflg);
1080 }
1081 
1082 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
1083 {
1084 	return call_int_hook(shm_shmctl, 0, shp, cmd);
1085 }
1086 
1087 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
1088 {
1089 	return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
1090 }
1091 
1092 int security_sem_alloc(struct sem_array *sma)
1093 {
1094 	return call_int_hook(sem_alloc_security, 0, sma);
1095 }
1096 
1097 void security_sem_free(struct sem_array *sma)
1098 {
1099 	call_void_hook(sem_free_security, sma);
1100 }
1101 
1102 int security_sem_associate(struct sem_array *sma, int semflg)
1103 {
1104 	return call_int_hook(sem_associate, 0, sma, semflg);
1105 }
1106 
1107 int security_sem_semctl(struct sem_array *sma, int cmd)
1108 {
1109 	return call_int_hook(sem_semctl, 0, sma, cmd);
1110 }
1111 
1112 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
1113 			unsigned nsops, int alter)
1114 {
1115 	return call_int_hook(sem_semop, 0, sma, sops, nsops, alter);
1116 }
1117 
1118 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
1119 {
1120 	if (unlikely(inode && IS_PRIVATE(inode)))
1121 		return;
1122 	call_void_hook(d_instantiate, dentry, inode);
1123 }
1124 EXPORT_SYMBOL(security_d_instantiate);
1125 
1126 int security_getprocattr(struct task_struct *p, char *name, char **value)
1127 {
1128 	return call_int_hook(getprocattr, -EINVAL, p, name, value);
1129 }
1130 
1131 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
1132 {
1133 	return call_int_hook(setprocattr, -EINVAL, p, name, value, size);
1134 }
1135 
1136 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1137 {
1138 	return call_int_hook(netlink_send, 0, sk, skb);
1139 }
1140 
1141 int security_ismaclabel(const char *name)
1142 {
1143 	return call_int_hook(ismaclabel, 0, name);
1144 }
1145 EXPORT_SYMBOL(security_ismaclabel);
1146 
1147 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1148 {
1149 	return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
1150 				seclen);
1151 }
1152 EXPORT_SYMBOL(security_secid_to_secctx);
1153 
1154 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1155 {
1156 	*secid = 0;
1157 	return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
1158 }
1159 EXPORT_SYMBOL(security_secctx_to_secid);
1160 
1161 void security_release_secctx(char *secdata, u32 seclen)
1162 {
1163 	call_void_hook(release_secctx, secdata, seclen);
1164 }
1165 EXPORT_SYMBOL(security_release_secctx);
1166 
1167 void security_inode_invalidate_secctx(struct inode *inode)
1168 {
1169 	call_void_hook(inode_invalidate_secctx, inode);
1170 }
1171 EXPORT_SYMBOL(security_inode_invalidate_secctx);
1172 
1173 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1174 {
1175 	return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
1176 }
1177 EXPORT_SYMBOL(security_inode_notifysecctx);
1178 
1179 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1180 {
1181 	return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
1182 }
1183 EXPORT_SYMBOL(security_inode_setsecctx);
1184 
1185 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1186 {
1187 	return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
1188 }
1189 EXPORT_SYMBOL(security_inode_getsecctx);
1190 
1191 #ifdef CONFIG_SECURITY_NETWORK
1192 
1193 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
1194 {
1195 	return call_int_hook(unix_stream_connect, 0, sock, other, newsk);
1196 }
1197 EXPORT_SYMBOL(security_unix_stream_connect);
1198 
1199 int security_unix_may_send(struct socket *sock,  struct socket *other)
1200 {
1201 	return call_int_hook(unix_may_send, 0, sock, other);
1202 }
1203 EXPORT_SYMBOL(security_unix_may_send);
1204 
1205 int security_socket_create(int family, int type, int protocol, int kern)
1206 {
1207 	return call_int_hook(socket_create, 0, family, type, protocol, kern);
1208 }
1209 
1210 int security_socket_post_create(struct socket *sock, int family,
1211 				int type, int protocol, int kern)
1212 {
1213 	return call_int_hook(socket_post_create, 0, sock, family, type,
1214 						protocol, kern);
1215 }
1216 
1217 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1218 {
1219 	return call_int_hook(socket_bind, 0, sock, address, addrlen);
1220 }
1221 
1222 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1223 {
1224 	return call_int_hook(socket_connect, 0, sock, address, addrlen);
1225 }
1226 
1227 int security_socket_listen(struct socket *sock, int backlog)
1228 {
1229 	return call_int_hook(socket_listen, 0, sock, backlog);
1230 }
1231 
1232 int security_socket_accept(struct socket *sock, struct socket *newsock)
1233 {
1234 	return call_int_hook(socket_accept, 0, sock, newsock);
1235 }
1236 
1237 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1238 {
1239 	return call_int_hook(socket_sendmsg, 0, sock, msg, size);
1240 }
1241 
1242 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1243 			    int size, int flags)
1244 {
1245 	return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
1246 }
1247 
1248 int security_socket_getsockname(struct socket *sock)
1249 {
1250 	return call_int_hook(socket_getsockname, 0, sock);
1251 }
1252 
1253 int security_socket_getpeername(struct socket *sock)
1254 {
1255 	return call_int_hook(socket_getpeername, 0, sock);
1256 }
1257 
1258 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1259 {
1260 	return call_int_hook(socket_getsockopt, 0, sock, level, optname);
1261 }
1262 
1263 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1264 {
1265 	return call_int_hook(socket_setsockopt, 0, sock, level, optname);
1266 }
1267 
1268 int security_socket_shutdown(struct socket *sock, int how)
1269 {
1270 	return call_int_hook(socket_shutdown, 0, sock, how);
1271 }
1272 
1273 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1274 {
1275 	return call_int_hook(socket_sock_rcv_skb, 0, sk, skb);
1276 }
1277 EXPORT_SYMBOL(security_sock_rcv_skb);
1278 
1279 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1280 				      int __user *optlen, unsigned len)
1281 {
1282 	return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock,
1283 				optval, optlen, len);
1284 }
1285 
1286 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1287 {
1288 	return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock,
1289 			     skb, secid);
1290 }
1291 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1292 
1293 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1294 {
1295 	return call_int_hook(sk_alloc_security, 0, sk, family, priority);
1296 }
1297 
1298 void security_sk_free(struct sock *sk)
1299 {
1300 	call_void_hook(sk_free_security, sk);
1301 }
1302 
1303 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1304 {
1305 	call_void_hook(sk_clone_security, sk, newsk);
1306 }
1307 EXPORT_SYMBOL(security_sk_clone);
1308 
1309 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1310 {
1311 	call_void_hook(sk_getsecid, sk, &fl->flowi_secid);
1312 }
1313 EXPORT_SYMBOL(security_sk_classify_flow);
1314 
1315 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1316 {
1317 	call_void_hook(req_classify_flow, req, fl);
1318 }
1319 EXPORT_SYMBOL(security_req_classify_flow);
1320 
1321 void security_sock_graft(struct sock *sk, struct socket *parent)
1322 {
1323 	call_void_hook(sock_graft, sk, parent);
1324 }
1325 EXPORT_SYMBOL(security_sock_graft);
1326 
1327 int security_inet_conn_request(struct sock *sk,
1328 			struct sk_buff *skb, struct request_sock *req)
1329 {
1330 	return call_int_hook(inet_conn_request, 0, sk, skb, req);
1331 }
1332 EXPORT_SYMBOL(security_inet_conn_request);
1333 
1334 void security_inet_csk_clone(struct sock *newsk,
1335 			const struct request_sock *req)
1336 {
1337 	call_void_hook(inet_csk_clone, newsk, req);
1338 }
1339 
1340 void security_inet_conn_established(struct sock *sk,
1341 			struct sk_buff *skb)
1342 {
1343 	call_void_hook(inet_conn_established, sk, skb);
1344 }
1345 
1346 int security_secmark_relabel_packet(u32 secid)
1347 {
1348 	return call_int_hook(secmark_relabel_packet, 0, secid);
1349 }
1350 EXPORT_SYMBOL(security_secmark_relabel_packet);
1351 
1352 void security_secmark_refcount_inc(void)
1353 {
1354 	call_void_hook(secmark_refcount_inc);
1355 }
1356 EXPORT_SYMBOL(security_secmark_refcount_inc);
1357 
1358 void security_secmark_refcount_dec(void)
1359 {
1360 	call_void_hook(secmark_refcount_dec);
1361 }
1362 EXPORT_SYMBOL(security_secmark_refcount_dec);
1363 
1364 int security_tun_dev_alloc_security(void **security)
1365 {
1366 	return call_int_hook(tun_dev_alloc_security, 0, security);
1367 }
1368 EXPORT_SYMBOL(security_tun_dev_alloc_security);
1369 
1370 void security_tun_dev_free_security(void *security)
1371 {
1372 	call_void_hook(tun_dev_free_security, security);
1373 }
1374 EXPORT_SYMBOL(security_tun_dev_free_security);
1375 
1376 int security_tun_dev_create(void)
1377 {
1378 	return call_int_hook(tun_dev_create, 0);
1379 }
1380 EXPORT_SYMBOL(security_tun_dev_create);
1381 
1382 int security_tun_dev_attach_queue(void *security)
1383 {
1384 	return call_int_hook(tun_dev_attach_queue, 0, security);
1385 }
1386 EXPORT_SYMBOL(security_tun_dev_attach_queue);
1387 
1388 int security_tun_dev_attach(struct sock *sk, void *security)
1389 {
1390 	return call_int_hook(tun_dev_attach, 0, sk, security);
1391 }
1392 EXPORT_SYMBOL(security_tun_dev_attach);
1393 
1394 int security_tun_dev_open(void *security)
1395 {
1396 	return call_int_hook(tun_dev_open, 0, security);
1397 }
1398 EXPORT_SYMBOL(security_tun_dev_open);
1399 
1400 #endif	/* CONFIG_SECURITY_NETWORK */
1401 
1402 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1403 
1404 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1405 			       struct xfrm_user_sec_ctx *sec_ctx,
1406 			       gfp_t gfp)
1407 {
1408 	return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
1409 }
1410 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1411 
1412 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1413 			      struct xfrm_sec_ctx **new_ctxp)
1414 {
1415 	return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
1416 }
1417 
1418 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1419 {
1420 	call_void_hook(xfrm_policy_free_security, ctx);
1421 }
1422 EXPORT_SYMBOL(security_xfrm_policy_free);
1423 
1424 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1425 {
1426 	return call_int_hook(xfrm_policy_delete_security, 0, ctx);
1427 }
1428 
1429 int security_xfrm_state_alloc(struct xfrm_state *x,
1430 			      struct xfrm_user_sec_ctx *sec_ctx)
1431 {
1432 	return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
1433 }
1434 EXPORT_SYMBOL(security_xfrm_state_alloc);
1435 
1436 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1437 				      struct xfrm_sec_ctx *polsec, u32 secid)
1438 {
1439 	return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
1440 }
1441 
1442 int security_xfrm_state_delete(struct xfrm_state *x)
1443 {
1444 	return call_int_hook(xfrm_state_delete_security, 0, x);
1445 }
1446 EXPORT_SYMBOL(security_xfrm_state_delete);
1447 
1448 void security_xfrm_state_free(struct xfrm_state *x)
1449 {
1450 	call_void_hook(xfrm_state_free_security, x);
1451 }
1452 
1453 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1454 {
1455 	return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
1456 }
1457 
1458 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1459 				       struct xfrm_policy *xp,
1460 				       const struct flowi *fl)
1461 {
1462 	struct security_hook_list *hp;
1463 	int rc = 1;
1464 
1465 	/*
1466 	 * Since this function is expected to return 0 or 1, the judgment
1467 	 * becomes difficult if multiple LSMs supply this call. Fortunately,
1468 	 * we can use the first LSM's judgment because currently only SELinux
1469 	 * supplies this call.
1470 	 *
1471 	 * For speed optimization, we explicitly break the loop rather than
1472 	 * using the macro
1473 	 */
1474 	list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match,
1475 				list) {
1476 		rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl);
1477 		break;
1478 	}
1479 	return rc;
1480 }
1481 
1482 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1483 {
1484 	return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
1485 }
1486 
1487 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1488 {
1489 	int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid,
1490 				0);
1491 
1492 	BUG_ON(rc);
1493 }
1494 EXPORT_SYMBOL(security_skb_classify_flow);
1495 
1496 #endif	/* CONFIG_SECURITY_NETWORK_XFRM */
1497 
1498 #ifdef CONFIG_KEYS
1499 
1500 int security_key_alloc(struct key *key, const struct cred *cred,
1501 		       unsigned long flags)
1502 {
1503 	return call_int_hook(key_alloc, 0, key, cred, flags);
1504 }
1505 
1506 void security_key_free(struct key *key)
1507 {
1508 	call_void_hook(key_free, key);
1509 }
1510 
1511 int security_key_permission(key_ref_t key_ref,
1512 			    const struct cred *cred, unsigned perm)
1513 {
1514 	return call_int_hook(key_permission, 0, key_ref, cred, perm);
1515 }
1516 
1517 int security_key_getsecurity(struct key *key, char **_buffer)
1518 {
1519 	*_buffer = NULL;
1520 	return call_int_hook(key_getsecurity, 0, key, _buffer);
1521 }
1522 
1523 #endif	/* CONFIG_KEYS */
1524 
1525 #ifdef CONFIG_AUDIT
1526 
1527 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1528 {
1529 	return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
1530 }
1531 
1532 int security_audit_rule_known(struct audit_krule *krule)
1533 {
1534 	return call_int_hook(audit_rule_known, 0, krule);
1535 }
1536 
1537 void security_audit_rule_free(void *lsmrule)
1538 {
1539 	call_void_hook(audit_rule_free, lsmrule);
1540 }
1541 
1542 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1543 			      struct audit_context *actx)
1544 {
1545 	return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule,
1546 				actx);
1547 }
1548 #endif /* CONFIG_AUDIT */
1549 
1550 struct security_hook_heads security_hook_heads = {
1551 	.binder_set_context_mgr =
1552 		LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr),
1553 	.binder_transaction =
1554 		LIST_HEAD_INIT(security_hook_heads.binder_transaction),
1555 	.binder_transfer_binder =
1556 		LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder),
1557 	.binder_transfer_file =
1558 		LIST_HEAD_INIT(security_hook_heads.binder_transfer_file),
1559 
1560 	.ptrace_access_check =
1561 		LIST_HEAD_INIT(security_hook_heads.ptrace_access_check),
1562 	.ptrace_traceme =
1563 		LIST_HEAD_INIT(security_hook_heads.ptrace_traceme),
1564 	.capget =	LIST_HEAD_INIT(security_hook_heads.capget),
1565 	.capset =	LIST_HEAD_INIT(security_hook_heads.capset),
1566 	.capable =	LIST_HEAD_INIT(security_hook_heads.capable),
1567 	.quotactl =	LIST_HEAD_INIT(security_hook_heads.quotactl),
1568 	.quota_on =	LIST_HEAD_INIT(security_hook_heads.quota_on),
1569 	.syslog =	LIST_HEAD_INIT(security_hook_heads.syslog),
1570 	.settime =	LIST_HEAD_INIT(security_hook_heads.settime),
1571 	.vm_enough_memory =
1572 		LIST_HEAD_INIT(security_hook_heads.vm_enough_memory),
1573 	.bprm_set_creds =
1574 		LIST_HEAD_INIT(security_hook_heads.bprm_set_creds),
1575 	.bprm_check_security =
1576 		LIST_HEAD_INIT(security_hook_heads.bprm_check_security),
1577 	.bprm_secureexec =
1578 		LIST_HEAD_INIT(security_hook_heads.bprm_secureexec),
1579 	.bprm_committing_creds =
1580 		LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds),
1581 	.bprm_committed_creds =
1582 		LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds),
1583 	.sb_alloc_security =
1584 		LIST_HEAD_INIT(security_hook_heads.sb_alloc_security),
1585 	.sb_free_security =
1586 		LIST_HEAD_INIT(security_hook_heads.sb_free_security),
1587 	.sb_copy_data =	LIST_HEAD_INIT(security_hook_heads.sb_copy_data),
1588 	.sb_remount =	LIST_HEAD_INIT(security_hook_heads.sb_remount),
1589 	.sb_kern_mount =
1590 		LIST_HEAD_INIT(security_hook_heads.sb_kern_mount),
1591 	.sb_show_options =
1592 		LIST_HEAD_INIT(security_hook_heads.sb_show_options),
1593 	.sb_statfs =	LIST_HEAD_INIT(security_hook_heads.sb_statfs),
1594 	.sb_mount =	LIST_HEAD_INIT(security_hook_heads.sb_mount),
1595 	.sb_umount =	LIST_HEAD_INIT(security_hook_heads.sb_umount),
1596 	.sb_pivotroot =	LIST_HEAD_INIT(security_hook_heads.sb_pivotroot),
1597 	.sb_set_mnt_opts =
1598 		LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts),
1599 	.sb_clone_mnt_opts =
1600 		LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts),
1601 	.sb_parse_opts_str =
1602 		LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str),
1603 	.dentry_init_security =
1604 		LIST_HEAD_INIT(security_hook_heads.dentry_init_security),
1605 #ifdef CONFIG_SECURITY_PATH
1606 	.path_unlink =	LIST_HEAD_INIT(security_hook_heads.path_unlink),
1607 	.path_mkdir =	LIST_HEAD_INIT(security_hook_heads.path_mkdir),
1608 	.path_rmdir =	LIST_HEAD_INIT(security_hook_heads.path_rmdir),
1609 	.path_mknod =	LIST_HEAD_INIT(security_hook_heads.path_mknod),
1610 	.path_truncate =
1611 		LIST_HEAD_INIT(security_hook_heads.path_truncate),
1612 	.path_symlink =	LIST_HEAD_INIT(security_hook_heads.path_symlink),
1613 	.path_link =	LIST_HEAD_INIT(security_hook_heads.path_link),
1614 	.path_rename =	LIST_HEAD_INIT(security_hook_heads.path_rename),
1615 	.path_chmod =	LIST_HEAD_INIT(security_hook_heads.path_chmod),
1616 	.path_chown =	LIST_HEAD_INIT(security_hook_heads.path_chown),
1617 	.path_chroot =	LIST_HEAD_INIT(security_hook_heads.path_chroot),
1618 #endif
1619 	.inode_alloc_security =
1620 		LIST_HEAD_INIT(security_hook_heads.inode_alloc_security),
1621 	.inode_free_security =
1622 		LIST_HEAD_INIT(security_hook_heads.inode_free_security),
1623 	.inode_init_security =
1624 		LIST_HEAD_INIT(security_hook_heads.inode_init_security),
1625 	.inode_create =	LIST_HEAD_INIT(security_hook_heads.inode_create),
1626 	.inode_link =	LIST_HEAD_INIT(security_hook_heads.inode_link),
1627 	.inode_unlink =	LIST_HEAD_INIT(security_hook_heads.inode_unlink),
1628 	.inode_symlink =
1629 		LIST_HEAD_INIT(security_hook_heads.inode_symlink),
1630 	.inode_mkdir =	LIST_HEAD_INIT(security_hook_heads.inode_mkdir),
1631 	.inode_rmdir =	LIST_HEAD_INIT(security_hook_heads.inode_rmdir),
1632 	.inode_mknod =	LIST_HEAD_INIT(security_hook_heads.inode_mknod),
1633 	.inode_rename =	LIST_HEAD_INIT(security_hook_heads.inode_rename),
1634 	.inode_readlink =
1635 		LIST_HEAD_INIT(security_hook_heads.inode_readlink),
1636 	.inode_follow_link =
1637 		LIST_HEAD_INIT(security_hook_heads.inode_follow_link),
1638 	.inode_permission =
1639 		LIST_HEAD_INIT(security_hook_heads.inode_permission),
1640 	.inode_setattr =
1641 		LIST_HEAD_INIT(security_hook_heads.inode_setattr),
1642 	.inode_getattr =
1643 		LIST_HEAD_INIT(security_hook_heads.inode_getattr),
1644 	.inode_setxattr =
1645 		LIST_HEAD_INIT(security_hook_heads.inode_setxattr),
1646 	.inode_post_setxattr =
1647 		LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr),
1648 	.inode_getxattr =
1649 		LIST_HEAD_INIT(security_hook_heads.inode_getxattr),
1650 	.inode_listxattr =
1651 		LIST_HEAD_INIT(security_hook_heads.inode_listxattr),
1652 	.inode_removexattr =
1653 		LIST_HEAD_INIT(security_hook_heads.inode_removexattr),
1654 	.inode_need_killpriv =
1655 		LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv),
1656 	.inode_killpriv =
1657 		LIST_HEAD_INIT(security_hook_heads.inode_killpriv),
1658 	.inode_getsecurity =
1659 		LIST_HEAD_INIT(security_hook_heads.inode_getsecurity),
1660 	.inode_setsecurity =
1661 		LIST_HEAD_INIT(security_hook_heads.inode_setsecurity),
1662 	.inode_listsecurity =
1663 		LIST_HEAD_INIT(security_hook_heads.inode_listsecurity),
1664 	.inode_getsecid =
1665 		LIST_HEAD_INIT(security_hook_heads.inode_getsecid),
1666 	.file_permission =
1667 		LIST_HEAD_INIT(security_hook_heads.file_permission),
1668 	.file_alloc_security =
1669 		LIST_HEAD_INIT(security_hook_heads.file_alloc_security),
1670 	.file_free_security =
1671 		LIST_HEAD_INIT(security_hook_heads.file_free_security),
1672 	.file_ioctl =	LIST_HEAD_INIT(security_hook_heads.file_ioctl),
1673 	.mmap_addr =	LIST_HEAD_INIT(security_hook_heads.mmap_addr),
1674 	.mmap_file =	LIST_HEAD_INIT(security_hook_heads.mmap_file),
1675 	.file_mprotect =
1676 		LIST_HEAD_INIT(security_hook_heads.file_mprotect),
1677 	.file_lock =	LIST_HEAD_INIT(security_hook_heads.file_lock),
1678 	.file_fcntl =	LIST_HEAD_INIT(security_hook_heads.file_fcntl),
1679 	.file_set_fowner =
1680 		LIST_HEAD_INIT(security_hook_heads.file_set_fowner),
1681 	.file_send_sigiotask =
1682 		LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask),
1683 	.file_receive =	LIST_HEAD_INIT(security_hook_heads.file_receive),
1684 	.file_open =	LIST_HEAD_INIT(security_hook_heads.file_open),
1685 	.task_create =	LIST_HEAD_INIT(security_hook_heads.task_create),
1686 	.task_free =	LIST_HEAD_INIT(security_hook_heads.task_free),
1687 	.cred_alloc_blank =
1688 		LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank),
1689 	.cred_free =	LIST_HEAD_INIT(security_hook_heads.cred_free),
1690 	.cred_prepare =	LIST_HEAD_INIT(security_hook_heads.cred_prepare),
1691 	.cred_transfer =
1692 		LIST_HEAD_INIT(security_hook_heads.cred_transfer),
1693 	.kernel_act_as =
1694 		LIST_HEAD_INIT(security_hook_heads.kernel_act_as),
1695 	.kernel_create_files_as =
1696 		LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as),
1697 	.kernel_module_request =
1698 		LIST_HEAD_INIT(security_hook_heads.kernel_module_request),
1699 	.kernel_read_file =
1700 		LIST_HEAD_INIT(security_hook_heads.kernel_read_file),
1701 	.kernel_post_read_file =
1702 		LIST_HEAD_INIT(security_hook_heads.kernel_post_read_file),
1703 	.task_fix_setuid =
1704 		LIST_HEAD_INIT(security_hook_heads.task_fix_setuid),
1705 	.task_setpgid =	LIST_HEAD_INIT(security_hook_heads.task_setpgid),
1706 	.task_getpgid =	LIST_HEAD_INIT(security_hook_heads.task_getpgid),
1707 	.task_getsid =	LIST_HEAD_INIT(security_hook_heads.task_getsid),
1708 	.task_getsecid =
1709 		LIST_HEAD_INIT(security_hook_heads.task_getsecid),
1710 	.task_setnice =	LIST_HEAD_INIT(security_hook_heads.task_setnice),
1711 	.task_setioprio =
1712 		LIST_HEAD_INIT(security_hook_heads.task_setioprio),
1713 	.task_getioprio =
1714 		LIST_HEAD_INIT(security_hook_heads.task_getioprio),
1715 	.task_setrlimit =
1716 		LIST_HEAD_INIT(security_hook_heads.task_setrlimit),
1717 	.task_setscheduler =
1718 		LIST_HEAD_INIT(security_hook_heads.task_setscheduler),
1719 	.task_getscheduler =
1720 		LIST_HEAD_INIT(security_hook_heads.task_getscheduler),
1721 	.task_movememory =
1722 		LIST_HEAD_INIT(security_hook_heads.task_movememory),
1723 	.task_kill =	LIST_HEAD_INIT(security_hook_heads.task_kill),
1724 	.task_wait =	LIST_HEAD_INIT(security_hook_heads.task_wait),
1725 	.task_prctl =	LIST_HEAD_INIT(security_hook_heads.task_prctl),
1726 	.task_to_inode =
1727 		LIST_HEAD_INIT(security_hook_heads.task_to_inode),
1728 	.ipc_permission =
1729 		LIST_HEAD_INIT(security_hook_heads.ipc_permission),
1730 	.ipc_getsecid =	LIST_HEAD_INIT(security_hook_heads.ipc_getsecid),
1731 	.msg_msg_alloc_security =
1732 		LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security),
1733 	.msg_msg_free_security =
1734 		LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security),
1735 	.msg_queue_alloc_security =
1736 		LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security),
1737 	.msg_queue_free_security =
1738 		LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security),
1739 	.msg_queue_associate =
1740 		LIST_HEAD_INIT(security_hook_heads.msg_queue_associate),
1741 	.msg_queue_msgctl =
1742 		LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl),
1743 	.msg_queue_msgsnd =
1744 		LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd),
1745 	.msg_queue_msgrcv =
1746 		LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv),
1747 	.shm_alloc_security =
1748 		LIST_HEAD_INIT(security_hook_heads.shm_alloc_security),
1749 	.shm_free_security =
1750 		LIST_HEAD_INIT(security_hook_heads.shm_free_security),
1751 	.shm_associate =
1752 		LIST_HEAD_INIT(security_hook_heads.shm_associate),
1753 	.shm_shmctl =	LIST_HEAD_INIT(security_hook_heads.shm_shmctl),
1754 	.shm_shmat =	LIST_HEAD_INIT(security_hook_heads.shm_shmat),
1755 	.sem_alloc_security =
1756 		LIST_HEAD_INIT(security_hook_heads.sem_alloc_security),
1757 	.sem_free_security =
1758 		LIST_HEAD_INIT(security_hook_heads.sem_free_security),
1759 	.sem_associate =
1760 		LIST_HEAD_INIT(security_hook_heads.sem_associate),
1761 	.sem_semctl =	LIST_HEAD_INIT(security_hook_heads.sem_semctl),
1762 	.sem_semop =	LIST_HEAD_INIT(security_hook_heads.sem_semop),
1763 	.netlink_send =	LIST_HEAD_INIT(security_hook_heads.netlink_send),
1764 	.d_instantiate =
1765 		LIST_HEAD_INIT(security_hook_heads.d_instantiate),
1766 	.getprocattr =	LIST_HEAD_INIT(security_hook_heads.getprocattr),
1767 	.setprocattr =	LIST_HEAD_INIT(security_hook_heads.setprocattr),
1768 	.ismaclabel =	LIST_HEAD_INIT(security_hook_heads.ismaclabel),
1769 	.secid_to_secctx =
1770 		LIST_HEAD_INIT(security_hook_heads.secid_to_secctx),
1771 	.secctx_to_secid =
1772 		LIST_HEAD_INIT(security_hook_heads.secctx_to_secid),
1773 	.release_secctx =
1774 		LIST_HEAD_INIT(security_hook_heads.release_secctx),
1775 	.inode_invalidate_secctx =
1776 		LIST_HEAD_INIT(security_hook_heads.inode_invalidate_secctx),
1777 	.inode_notifysecctx =
1778 		LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx),
1779 	.inode_setsecctx =
1780 		LIST_HEAD_INIT(security_hook_heads.inode_setsecctx),
1781 	.inode_getsecctx =
1782 		LIST_HEAD_INIT(security_hook_heads.inode_getsecctx),
1783 #ifdef CONFIG_SECURITY_NETWORK
1784 	.unix_stream_connect =
1785 		LIST_HEAD_INIT(security_hook_heads.unix_stream_connect),
1786 	.unix_may_send =
1787 		LIST_HEAD_INIT(security_hook_heads.unix_may_send),
1788 	.socket_create =
1789 		LIST_HEAD_INIT(security_hook_heads.socket_create),
1790 	.socket_post_create =
1791 		LIST_HEAD_INIT(security_hook_heads.socket_post_create),
1792 	.socket_bind =	LIST_HEAD_INIT(security_hook_heads.socket_bind),
1793 	.socket_connect =
1794 		LIST_HEAD_INIT(security_hook_heads.socket_connect),
1795 	.socket_listen =
1796 		LIST_HEAD_INIT(security_hook_heads.socket_listen),
1797 	.socket_accept =
1798 		LIST_HEAD_INIT(security_hook_heads.socket_accept),
1799 	.socket_sendmsg =
1800 		LIST_HEAD_INIT(security_hook_heads.socket_sendmsg),
1801 	.socket_recvmsg =
1802 		LIST_HEAD_INIT(security_hook_heads.socket_recvmsg),
1803 	.socket_getsockname =
1804 		LIST_HEAD_INIT(security_hook_heads.socket_getsockname),
1805 	.socket_getpeername =
1806 		LIST_HEAD_INIT(security_hook_heads.socket_getpeername),
1807 	.socket_getsockopt =
1808 		LIST_HEAD_INIT(security_hook_heads.socket_getsockopt),
1809 	.socket_setsockopt =
1810 		LIST_HEAD_INIT(security_hook_heads.socket_setsockopt),
1811 	.socket_shutdown =
1812 		LIST_HEAD_INIT(security_hook_heads.socket_shutdown),
1813 	.socket_sock_rcv_skb =
1814 		LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb),
1815 	.socket_getpeersec_stream =
1816 		LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream),
1817 	.socket_getpeersec_dgram =
1818 		LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram),
1819 	.sk_alloc_security =
1820 		LIST_HEAD_INIT(security_hook_heads.sk_alloc_security),
1821 	.sk_free_security =
1822 		LIST_HEAD_INIT(security_hook_heads.sk_free_security),
1823 	.sk_clone_security =
1824 		LIST_HEAD_INIT(security_hook_heads.sk_clone_security),
1825 	.sk_getsecid =	LIST_HEAD_INIT(security_hook_heads.sk_getsecid),
1826 	.sock_graft =	LIST_HEAD_INIT(security_hook_heads.sock_graft),
1827 	.inet_conn_request =
1828 		LIST_HEAD_INIT(security_hook_heads.inet_conn_request),
1829 	.inet_csk_clone =
1830 		LIST_HEAD_INIT(security_hook_heads.inet_csk_clone),
1831 	.inet_conn_established =
1832 		LIST_HEAD_INIT(security_hook_heads.inet_conn_established),
1833 	.secmark_relabel_packet =
1834 		LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet),
1835 	.secmark_refcount_inc =
1836 		LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc),
1837 	.secmark_refcount_dec =
1838 		LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec),
1839 	.req_classify_flow =
1840 		LIST_HEAD_INIT(security_hook_heads.req_classify_flow),
1841 	.tun_dev_alloc_security =
1842 		LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security),
1843 	.tun_dev_free_security =
1844 		LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security),
1845 	.tun_dev_create =
1846 		LIST_HEAD_INIT(security_hook_heads.tun_dev_create),
1847 	.tun_dev_attach_queue =
1848 		LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue),
1849 	.tun_dev_attach =
1850 		LIST_HEAD_INIT(security_hook_heads.tun_dev_attach),
1851 	.tun_dev_open =	LIST_HEAD_INIT(security_hook_heads.tun_dev_open),
1852 #endif	/* CONFIG_SECURITY_NETWORK */
1853 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1854 	.xfrm_policy_alloc_security =
1855 		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security),
1856 	.xfrm_policy_clone_security =
1857 		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security),
1858 	.xfrm_policy_free_security =
1859 		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security),
1860 	.xfrm_policy_delete_security =
1861 		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security),
1862 	.xfrm_state_alloc =
1863 		LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc),
1864 	.xfrm_state_alloc_acquire =
1865 		LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire),
1866 	.xfrm_state_free_security =
1867 		LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security),
1868 	.xfrm_state_delete_security =
1869 		LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security),
1870 	.xfrm_policy_lookup =
1871 		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup),
1872 	.xfrm_state_pol_flow_match =
1873 		LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match),
1874 	.xfrm_decode_session =
1875 		LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session),
1876 #endif	/* CONFIG_SECURITY_NETWORK_XFRM */
1877 #ifdef CONFIG_KEYS
1878 	.key_alloc =	LIST_HEAD_INIT(security_hook_heads.key_alloc),
1879 	.key_free =	LIST_HEAD_INIT(security_hook_heads.key_free),
1880 	.key_permission =
1881 		LIST_HEAD_INIT(security_hook_heads.key_permission),
1882 	.key_getsecurity =
1883 		LIST_HEAD_INIT(security_hook_heads.key_getsecurity),
1884 #endif	/* CONFIG_KEYS */
1885 #ifdef CONFIG_AUDIT
1886 	.audit_rule_init =
1887 		LIST_HEAD_INIT(security_hook_heads.audit_rule_init),
1888 	.audit_rule_known =
1889 		LIST_HEAD_INIT(security_hook_heads.audit_rule_known),
1890 	.audit_rule_match =
1891 		LIST_HEAD_INIT(security_hook_heads.audit_rule_match),
1892 	.audit_rule_free =
1893 		LIST_HEAD_INIT(security_hook_heads.audit_rule_free),
1894 #endif /* CONFIG_AUDIT */
1895 };
1896