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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 const 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_dentry_create_files_as(struct dentry *dentry, int mode,
368 struct qstr *name,
369 const struct cred *old, struct cred *new)
370 {
371 return call_int_hook(dentry_create_files_as, 0, dentry, mode,
372 name, old, new);
373 }
374 EXPORT_SYMBOL(security_dentry_create_files_as);
375
376 int security_inode_init_security(struct inode *inode, struct inode *dir,
377 const struct qstr *qstr,
378 const initxattrs initxattrs, void *fs_data)
379 {
380 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
381 struct xattr *lsm_xattr, *evm_xattr, *xattr;
382 int ret;
383
384 if (unlikely(IS_PRIVATE(inode)))
385 return 0;
386
387 if (!initxattrs)
388 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode,
389 dir, qstr, NULL, NULL, NULL);
390 memset(new_xattrs, 0, sizeof(new_xattrs));
391 lsm_xattr = new_xattrs;
392 ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr,
393 &lsm_xattr->name,
394 &lsm_xattr->value,
395 &lsm_xattr->value_len);
396 if (ret)
397 goto out;
398
399 evm_xattr = lsm_xattr + 1;
400 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
401 if (ret)
402 goto out;
403 ret = initxattrs(inode, new_xattrs, fs_data);
404 out:
405 for (xattr = new_xattrs; xattr->value != NULL; xattr++)
406 kfree(xattr->value);
407 return (ret == -EOPNOTSUPP) ? 0 : ret;
408 }
409 EXPORT_SYMBOL(security_inode_init_security);
410
411 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
412 const struct qstr *qstr, const char **name,
413 void **value, size_t *len)
414 {
415 if (unlikely(IS_PRIVATE(inode)))
416 return -EOPNOTSUPP;
417 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir,
418 qstr, name, value, len);
419 }
420 EXPORT_SYMBOL(security_old_inode_init_security);
421
422 #ifdef CONFIG_SECURITY_PATH
423 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
424 unsigned int dev)
425 {
426 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
427 return 0;
428 return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
429 }
430 EXPORT_SYMBOL(security_path_mknod);
431
432 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode)
433 {
434 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
435 return 0;
436 return call_int_hook(path_mkdir, 0, dir, dentry, mode);
437 }
438 EXPORT_SYMBOL(security_path_mkdir);
439
440 int security_path_rmdir(const struct path *dir, struct dentry *dentry)
441 {
442 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
443 return 0;
444 return call_int_hook(path_rmdir, 0, dir, dentry);
445 }
446
447 int security_path_unlink(const struct path *dir, struct dentry *dentry)
448 {
449 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
450 return 0;
451 return call_int_hook(path_unlink, 0, dir, dentry);
452 }
453 EXPORT_SYMBOL(security_path_unlink);
454
455 int security_path_symlink(const struct path *dir, struct dentry *dentry,
456 const char *old_name)
457 {
458 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
459 return 0;
460 return call_int_hook(path_symlink, 0, dir, dentry, old_name);
461 }
462
463 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
464 struct dentry *new_dentry)
465 {
466 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
467 return 0;
468 return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
469 }
470
471 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
472 const struct path *new_dir, struct dentry *new_dentry,
473 unsigned int flags)
474 {
475 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
476 (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
477 return 0;
478
479 if (flags & RENAME_EXCHANGE) {
480 int err = call_int_hook(path_rename, 0, new_dir, new_dentry,
481 old_dir, old_dentry);
482 if (err)
483 return err;
484 }
485
486 return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
487 new_dentry);
488 }
489 EXPORT_SYMBOL(security_path_rename);
490
491 int security_path_truncate(const struct path *path)
492 {
493 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
494 return 0;
495 return call_int_hook(path_truncate, 0, path);
496 }
497
498 int security_path_chmod(const struct path *path, umode_t mode)
499 {
500 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
501 return 0;
502 return call_int_hook(path_chmod, 0, path, mode);
503 }
504
505 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
506 {
507 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
508 return 0;
509 return call_int_hook(path_chown, 0, path, uid, gid);
510 }
511
512 int security_path_chroot(const struct path *path)
513 {
514 return call_int_hook(path_chroot, 0, path);
515 }
516 #endif
517
518 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
519 {
520 if (unlikely(IS_PRIVATE(dir)))
521 return 0;
522 return call_int_hook(inode_create, 0, dir, dentry, mode);
523 }
524 EXPORT_SYMBOL_GPL(security_inode_create);
525
526 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
527 struct dentry *new_dentry)
528 {
529 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
530 return 0;
531 return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
532 }
533
534 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
535 {
536 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
537 return 0;
538 return call_int_hook(inode_unlink, 0, dir, dentry);
539 }
540
541 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
542 const char *old_name)
543 {
544 if (unlikely(IS_PRIVATE(dir)))
545 return 0;
546 return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
547 }
548
549 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
550 {
551 if (unlikely(IS_PRIVATE(dir)))
552 return 0;
553 return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
554 }
555 EXPORT_SYMBOL_GPL(security_inode_mkdir);
556
557 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
558 {
559 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
560 return 0;
561 return call_int_hook(inode_rmdir, 0, dir, dentry);
562 }
563
564 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
565 {
566 if (unlikely(IS_PRIVATE(dir)))
567 return 0;
568 return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
569 }
570
571 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
572 struct inode *new_dir, struct dentry *new_dentry,
573 unsigned int flags)
574 {
575 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
576 (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
577 return 0;
578
579 if (flags & RENAME_EXCHANGE) {
580 int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
581 old_dir, old_dentry);
582 if (err)
583 return err;
584 }
585
586 return call_int_hook(inode_rename, 0, old_dir, old_dentry,
587 new_dir, new_dentry);
588 }
589
590 int security_inode_readlink(struct dentry *dentry)
591 {
592 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
593 return 0;
594 return call_int_hook(inode_readlink, 0, dentry);
595 }
596
597 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
598 bool rcu)
599 {
600 if (unlikely(IS_PRIVATE(inode)))
601 return 0;
602 return call_int_hook(inode_follow_link, 0, dentry, inode, rcu);
603 }
604
605 int security_inode_permission(struct inode *inode, int mask)
606 {
607 if (unlikely(IS_PRIVATE(inode)))
608 return 0;
609 return call_int_hook(inode_permission, 0, inode, mask);
610 }
611
612 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
613 {
614 int ret;
615
616 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
617 return 0;
618 ret = call_int_hook(inode_setattr, 0, dentry, attr);
619 if (ret)
620 return ret;
621 return evm_inode_setattr(dentry, attr);
622 }
623 EXPORT_SYMBOL_GPL(security_inode_setattr);
624
625 int security_inode_getattr(const struct path *path)
626 {
627 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
628 return 0;
629 return call_int_hook(inode_getattr, 0, path);
630 }
631
632 int security_inode_setxattr(struct dentry *dentry, const char *name,
633 const void *value, size_t size, int flags)
634 {
635 int ret;
636
637 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
638 return 0;
639 /*
640 * SELinux and Smack integrate the cap call,
641 * so assume that all LSMs supplying this call do so.
642 */
643 ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size,
644 flags);
645
646 if (ret == 1)
647 ret = cap_inode_setxattr(dentry, name, value, size, flags);
648 if (ret)
649 return ret;
650 ret = ima_inode_setxattr(dentry, name, value, size);
651 if (ret)
652 return ret;
653 return evm_inode_setxattr(dentry, name, value, size);
654 }
655
656 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
657 const void *value, size_t size, int flags)
658 {
659 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
660 return;
661 call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
662 evm_inode_post_setxattr(dentry, name, value, size);
663 }
664
665 int security_inode_getxattr(struct dentry *dentry, const char *name)
666 {
667 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
668 return 0;
669 return call_int_hook(inode_getxattr, 0, dentry, name);
670 }
671
672 int security_inode_listxattr(struct dentry *dentry)
673 {
674 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
675 return 0;
676 return call_int_hook(inode_listxattr, 0, dentry);
677 }
678
679 int security_inode_removexattr(struct dentry *dentry, const char *name)
680 {
681 int ret;
682
683 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
684 return 0;
685 /*
686 * SELinux and Smack integrate the cap call,
687 * so assume that all LSMs supplying this call do so.
688 */
689 ret = call_int_hook(inode_removexattr, 1, dentry, name);
690 if (ret == 1)
691 ret = cap_inode_removexattr(dentry, name);
692 if (ret)
693 return ret;
694 ret = ima_inode_removexattr(dentry, name);
695 if (ret)
696 return ret;
697 return evm_inode_removexattr(dentry, name);
698 }
699
700 int security_inode_need_killpriv(struct dentry *dentry)
701 {
702 return call_int_hook(inode_need_killpriv, 0, dentry);
703 }
704
705 int security_inode_killpriv(struct dentry *dentry)
706 {
707 return call_int_hook(inode_killpriv, 0, dentry);
708 }
709
710 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
711 {
712 struct security_hook_list *hp;
713 int rc;
714
715 if (unlikely(IS_PRIVATE(inode)))
716 return -EOPNOTSUPP;
717 /*
718 * Only one module will provide an attribute with a given name.
719 */
720 list_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) {
721 rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc);
722 if (rc != -EOPNOTSUPP)
723 return rc;
724 }
725 return -EOPNOTSUPP;
726 }
727
728 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
729 {
730 struct security_hook_list *hp;
731 int rc;
732
733 if (unlikely(IS_PRIVATE(inode)))
734 return -EOPNOTSUPP;
735 /*
736 * Only one module will provide an attribute with a given name.
737 */
738 list_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) {
739 rc = hp->hook.inode_setsecurity(inode, name, value, size,
740 flags);
741 if (rc != -EOPNOTSUPP)
742 return rc;
743 }
744 return -EOPNOTSUPP;
745 }
746
747 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
748 {
749 if (unlikely(IS_PRIVATE(inode)))
750 return 0;
751 return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
752 }
753 EXPORT_SYMBOL(security_inode_listsecurity);
754
755 void security_inode_getsecid(struct inode *inode, u32 *secid)
756 {
757 call_void_hook(inode_getsecid, inode, secid);
758 }
759
760 int security_inode_copy_up(struct dentry *src, struct cred **new)
761 {
762 return call_int_hook(inode_copy_up, 0, src, new);
763 }
764 EXPORT_SYMBOL(security_inode_copy_up);
765
766 int security_inode_copy_up_xattr(const char *name)
767 {
768 return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name);
769 }
770 EXPORT_SYMBOL(security_inode_copy_up_xattr);
771
772 int security_file_permission(struct file *file, int mask)
773 {
774 int ret;
775
776 ret = call_int_hook(file_permission, 0, file, mask);
777 if (ret)
778 return ret;
779
780 return fsnotify_perm(file, mask);
781 }
782
783 int security_file_alloc(struct file *file)
784 {
785 return call_int_hook(file_alloc_security, 0, file);
786 }
787
788 void security_file_free(struct file *file)
789 {
790 call_void_hook(file_free_security, file);
791 }
792
793 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
794 {
795 return call_int_hook(file_ioctl, 0, file, cmd, arg);
796 }
797
798 static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
799 {
800 /*
801 * Does we have PROT_READ and does the application expect
802 * it to imply PROT_EXEC? If not, nothing to talk about...
803 */
804 if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ)
805 return prot;
806 if (!(current->personality & READ_IMPLIES_EXEC))
807 return prot;
808 /*
809 * if that's an anonymous mapping, let it.
810 */
811 if (!file)
812 return prot | PROT_EXEC;
813 /*
814 * ditto if it's not on noexec mount, except that on !MMU we need
815 * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
816 */
817 if (!path_noexec(&file->f_path)) {
818 #ifndef CONFIG_MMU
819 if (file->f_op->mmap_capabilities) {
820 unsigned caps = file->f_op->mmap_capabilities(file);
821 if (!(caps & NOMMU_MAP_EXEC))
822 return prot;
823 }
824 #endif
825 return prot | PROT_EXEC;
826 }
827 /* anything on noexec mount won't get PROT_EXEC */
828 return prot;
829 }
830
831 int security_mmap_file(struct file *file, unsigned long prot,
832 unsigned long flags)
833 {
834 int ret;
835 ret = call_int_hook(mmap_file, 0, file, prot,
836 mmap_prot(file, prot), flags);
837 if (ret)
838 return ret;
839 return ima_file_mmap(file, prot);
840 }
841
842 int security_mmap_addr(unsigned long addr)
843 {
844 return call_int_hook(mmap_addr, 0, addr);
845 }
846
847 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
848 unsigned long prot)
849 {
850 return call_int_hook(file_mprotect, 0, vma, reqprot, prot);
851 }
852
853 int security_file_lock(struct file *file, unsigned int cmd)
854 {
855 return call_int_hook(file_lock, 0, file, cmd);
856 }
857
858 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
859 {
860 return call_int_hook(file_fcntl, 0, file, cmd, arg);
861 }
862
863 void security_file_set_fowner(struct file *file)
864 {
865 call_void_hook(file_set_fowner, file);
866 }
867
868 int security_file_send_sigiotask(struct task_struct *tsk,
869 struct fown_struct *fown, int sig)
870 {
871 return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
872 }
873
874 int security_file_receive(struct file *file)
875 {
876 return call_int_hook(file_receive, 0, file);
877 }
878
879 int security_file_open(struct file *file, const struct cred *cred)
880 {
881 int ret;
882
883 ret = call_int_hook(file_open, 0, file, cred);
884 if (ret)
885 return ret;
886
887 return fsnotify_perm(file, MAY_OPEN);
888 }
889
890 int security_task_create(unsigned long clone_flags)
891 {
892 return call_int_hook(task_create, 0, clone_flags);
893 }
894
895 void security_task_free(struct task_struct *task)
896 {
897 call_void_hook(task_free, task);
898 }
899
900 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
901 {
902 return call_int_hook(cred_alloc_blank, 0, cred, gfp);
903 }
904
905 void security_cred_free(struct cred *cred)
906 {
907 call_void_hook(cred_free, cred);
908 }
909
910 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
911 {
912 return call_int_hook(cred_prepare, 0, new, old, gfp);
913 }
914
915 void security_transfer_creds(struct cred *new, const struct cred *old)
916 {
917 call_void_hook(cred_transfer, new, old);
918 }
919
920 int security_kernel_act_as(struct cred *new, u32 secid)
921 {
922 return call_int_hook(kernel_act_as, 0, new, secid);
923 }
924
925 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
926 {
927 return call_int_hook(kernel_create_files_as, 0, new, inode);
928 }
929
930 int security_kernel_module_request(char *kmod_name)
931 {
932 return call_int_hook(kernel_module_request, 0, kmod_name);
933 }
934
935 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id)
936 {
937 int ret;
938
939 ret = call_int_hook(kernel_read_file, 0, file, id);
940 if (ret)
941 return ret;
942 return ima_read_file(file, id);
943 }
944 EXPORT_SYMBOL_GPL(security_kernel_read_file);
945
946 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
947 enum kernel_read_file_id id)
948 {
949 int ret;
950
951 ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id);
952 if (ret)
953 return ret;
954 return ima_post_read_file(file, buf, size, id);
955 }
956 EXPORT_SYMBOL_GPL(security_kernel_post_read_file);
957
958 int security_task_fix_setuid(struct cred *new, const struct cred *old,
959 int flags)
960 {
961 return call_int_hook(task_fix_setuid, 0, new, old, flags);
962 }
963
964 int security_task_setpgid(struct task_struct *p, pid_t pgid)
965 {
966 return call_int_hook(task_setpgid, 0, p, pgid);
967 }
968
969 int security_task_getpgid(struct task_struct *p)
970 {
971 return call_int_hook(task_getpgid, 0, p);
972 }
973
974 int security_task_getsid(struct task_struct *p)
975 {
976 return call_int_hook(task_getsid, 0, p);
977 }
978
979 void security_task_getsecid(struct task_struct *p, u32 *secid)
980 {
981 *secid = 0;
982 call_void_hook(task_getsecid, p, secid);
983 }
984 EXPORT_SYMBOL(security_task_getsecid);
985
986 int security_task_setnice(struct task_struct *p, int nice)
987 {
988 return call_int_hook(task_setnice, 0, p, nice);
989 }
990
991 int security_task_setioprio(struct task_struct *p, int ioprio)
992 {
993 return call_int_hook(task_setioprio, 0, p, ioprio);
994 }
995
996 int security_task_getioprio(struct task_struct *p)
997 {
998 return call_int_hook(task_getioprio, 0, p);
999 }
1000
1001 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
1002 struct rlimit *new_rlim)
1003 {
1004 return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
1005 }
1006
1007 int security_task_setscheduler(struct task_struct *p)
1008 {
1009 return call_int_hook(task_setscheduler, 0, p);
1010 }
1011
1012 int security_task_getscheduler(struct task_struct *p)
1013 {
1014 return call_int_hook(task_getscheduler, 0, p);
1015 }
1016
1017 int security_task_movememory(struct task_struct *p)
1018 {
1019 return call_int_hook(task_movememory, 0, p);
1020 }
1021
1022 int security_task_kill(struct task_struct *p, struct siginfo *info,
1023 int sig, u32 secid)
1024 {
1025 return call_int_hook(task_kill, 0, p, info, sig, secid);
1026 }
1027
1028 int security_task_wait(struct task_struct *p)
1029 {
1030 return call_int_hook(task_wait, 0, p);
1031 }
1032
1033 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
1034 unsigned long arg4, unsigned long arg5)
1035 {
1036 int thisrc;
1037 int rc = -ENOSYS;
1038 struct security_hook_list *hp;
1039
1040 list_for_each_entry(hp, &security_hook_heads.task_prctl, list) {
1041 thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5);
1042 if (thisrc != -ENOSYS) {
1043 rc = thisrc;
1044 if (thisrc != 0)
1045 break;
1046 }
1047 }
1048 return rc;
1049 }
1050
1051 void security_task_to_inode(struct task_struct *p, struct inode *inode)
1052 {
1053 call_void_hook(task_to_inode, p, inode);
1054 }
1055
1056 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
1057 {
1058 return call_int_hook(ipc_permission, 0, ipcp, flag);
1059 }
1060
1061 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1062 {
1063 *secid = 0;
1064 call_void_hook(ipc_getsecid, ipcp, secid);
1065 }
1066
1067 int security_msg_msg_alloc(struct msg_msg *msg)
1068 {
1069 return call_int_hook(msg_msg_alloc_security, 0, msg);
1070 }
1071
1072 void security_msg_msg_free(struct msg_msg *msg)
1073 {
1074 call_void_hook(msg_msg_free_security, msg);
1075 }
1076
1077 int security_msg_queue_alloc(struct msg_queue *msq)
1078 {
1079 return call_int_hook(msg_queue_alloc_security, 0, msq);
1080 }
1081
1082 void security_msg_queue_free(struct msg_queue *msq)
1083 {
1084 call_void_hook(msg_queue_free_security, msq);
1085 }
1086
1087 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
1088 {
1089 return call_int_hook(msg_queue_associate, 0, msq, msqflg);
1090 }
1091
1092 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
1093 {
1094 return call_int_hook(msg_queue_msgctl, 0, msq, cmd);
1095 }
1096
1097 int security_msg_queue_msgsnd(struct msg_queue *msq,
1098 struct msg_msg *msg, int msqflg)
1099 {
1100 return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg);
1101 }
1102
1103 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
1104 struct task_struct *target, long type, int mode)
1105 {
1106 return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
1107 }
1108
1109 int security_shm_alloc(struct shmid_kernel *shp)
1110 {
1111 return call_int_hook(shm_alloc_security, 0, shp);
1112 }
1113
1114 void security_shm_free(struct shmid_kernel *shp)
1115 {
1116 call_void_hook(shm_free_security, shp);
1117 }
1118
1119 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
1120 {
1121 return call_int_hook(shm_associate, 0, shp, shmflg);
1122 }
1123
1124 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
1125 {
1126 return call_int_hook(shm_shmctl, 0, shp, cmd);
1127 }
1128
1129 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
1130 {
1131 return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
1132 }
1133
1134 int security_sem_alloc(struct sem_array *sma)
1135 {
1136 return call_int_hook(sem_alloc_security, 0, sma);
1137 }
1138
1139 void security_sem_free(struct sem_array *sma)
1140 {
1141 call_void_hook(sem_free_security, sma);
1142 }
1143
1144 int security_sem_associate(struct sem_array *sma, int semflg)
1145 {
1146 return call_int_hook(sem_associate, 0, sma, semflg);
1147 }
1148
1149 int security_sem_semctl(struct sem_array *sma, int cmd)
1150 {
1151 return call_int_hook(sem_semctl, 0, sma, cmd);
1152 }
1153
1154 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
1155 unsigned nsops, int alter)
1156 {
1157 return call_int_hook(sem_semop, 0, sma, sops, nsops, alter);
1158 }
1159
1160 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
1161 {
1162 if (unlikely(inode && IS_PRIVATE(inode)))
1163 return;
1164 call_void_hook(d_instantiate, dentry, inode);
1165 }
1166 EXPORT_SYMBOL(security_d_instantiate);
1167
1168 int security_getprocattr(struct task_struct *p, char *name, char **value)
1169 {
1170 return call_int_hook(getprocattr, -EINVAL, p, name, value);
1171 }
1172
1173 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
1174 {
1175 return call_int_hook(setprocattr, -EINVAL, p, name, value, size);
1176 }
1177
1178 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1179 {
1180 return call_int_hook(netlink_send, 0, sk, skb);
1181 }
1182
1183 int security_ismaclabel(const char *name)
1184 {
1185 return call_int_hook(ismaclabel, 0, name);
1186 }
1187 EXPORT_SYMBOL(security_ismaclabel);
1188
1189 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1190 {
1191 return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
1192 seclen);
1193 }
1194 EXPORT_SYMBOL(security_secid_to_secctx);
1195
1196 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1197 {
1198 *secid = 0;
1199 return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
1200 }
1201 EXPORT_SYMBOL(security_secctx_to_secid);
1202
1203 void security_release_secctx(char *secdata, u32 seclen)
1204 {
1205 call_void_hook(release_secctx, secdata, seclen);
1206 }
1207 EXPORT_SYMBOL(security_release_secctx);
1208
1209 void security_inode_invalidate_secctx(struct inode *inode)
1210 {
1211 call_void_hook(inode_invalidate_secctx, inode);
1212 }
1213 EXPORT_SYMBOL(security_inode_invalidate_secctx);
1214
1215 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1216 {
1217 return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
1218 }
1219 EXPORT_SYMBOL(security_inode_notifysecctx);
1220
1221 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1222 {
1223 return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
1224 }
1225 EXPORT_SYMBOL(security_inode_setsecctx);
1226
1227 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1228 {
1229 return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
1230 }
1231 EXPORT_SYMBOL(security_inode_getsecctx);
1232
1233 #ifdef CONFIG_SECURITY_NETWORK
1234
1235 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
1236 {
1237 return call_int_hook(unix_stream_connect, 0, sock, other, newsk);
1238 }
1239 EXPORT_SYMBOL(security_unix_stream_connect);
1240
1241 int security_unix_may_send(struct socket *sock, struct socket *other)
1242 {
1243 return call_int_hook(unix_may_send, 0, sock, other);
1244 }
1245 EXPORT_SYMBOL(security_unix_may_send);
1246
1247 int security_socket_create(int family, int type, int protocol, int kern)
1248 {
1249 return call_int_hook(socket_create, 0, family, type, protocol, kern);
1250 }
1251
1252 int security_socket_post_create(struct socket *sock, int family,
1253 int type, int protocol, int kern)
1254 {
1255 return call_int_hook(socket_post_create, 0, sock, family, type,
1256 protocol, kern);
1257 }
1258
1259 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1260 {
1261 return call_int_hook(socket_bind, 0, sock, address, addrlen);
1262 }
1263
1264 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1265 {
1266 return call_int_hook(socket_connect, 0, sock, address, addrlen);
1267 }
1268
1269 int security_socket_listen(struct socket *sock, int backlog)
1270 {
1271 return call_int_hook(socket_listen, 0, sock, backlog);
1272 }
1273
1274 int security_socket_accept(struct socket *sock, struct socket *newsock)
1275 {
1276 return call_int_hook(socket_accept, 0, sock, newsock);
1277 }
1278
1279 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1280 {
1281 return call_int_hook(socket_sendmsg, 0, sock, msg, size);
1282 }
1283
1284 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1285 int size, int flags)
1286 {
1287 return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
1288 }
1289
1290 int security_socket_getsockname(struct socket *sock)
1291 {
1292 return call_int_hook(socket_getsockname, 0, sock);
1293 }
1294
1295 int security_socket_getpeername(struct socket *sock)
1296 {
1297 return call_int_hook(socket_getpeername, 0, sock);
1298 }
1299
1300 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1301 {
1302 return call_int_hook(socket_getsockopt, 0, sock, level, optname);
1303 }
1304
1305 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1306 {
1307 return call_int_hook(socket_setsockopt, 0, sock, level, optname);
1308 }
1309
1310 int security_socket_shutdown(struct socket *sock, int how)
1311 {
1312 return call_int_hook(socket_shutdown, 0, sock, how);
1313 }
1314
1315 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1316 {
1317 return call_int_hook(socket_sock_rcv_skb, 0, sk, skb);
1318 }
1319 EXPORT_SYMBOL(security_sock_rcv_skb);
1320
1321 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1322 int __user *optlen, unsigned len)
1323 {
1324 return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock,
1325 optval, optlen, len);
1326 }
1327
1328 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1329 {
1330 return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock,
1331 skb, secid);
1332 }
1333 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1334
1335 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1336 {
1337 return call_int_hook(sk_alloc_security, 0, sk, family, priority);
1338 }
1339
1340 void security_sk_free(struct sock *sk)
1341 {
1342 call_void_hook(sk_free_security, sk);
1343 }
1344
1345 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1346 {
1347 call_void_hook(sk_clone_security, sk, newsk);
1348 }
1349 EXPORT_SYMBOL(security_sk_clone);
1350
1351 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1352 {
1353 call_void_hook(sk_getsecid, sk, &fl->flowi_secid);
1354 }
1355 EXPORT_SYMBOL(security_sk_classify_flow);
1356
1357 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1358 {
1359 call_void_hook(req_classify_flow, req, fl);
1360 }
1361 EXPORT_SYMBOL(security_req_classify_flow);
1362
1363 void security_sock_graft(struct sock *sk, struct socket *parent)
1364 {
1365 call_void_hook(sock_graft, sk, parent);
1366 }
1367 EXPORT_SYMBOL(security_sock_graft);
1368
1369 int security_inet_conn_request(struct sock *sk,
1370 struct sk_buff *skb, struct request_sock *req)
1371 {
1372 return call_int_hook(inet_conn_request, 0, sk, skb, req);
1373 }
1374 EXPORT_SYMBOL(security_inet_conn_request);
1375
1376 void security_inet_csk_clone(struct sock *newsk,
1377 const struct request_sock *req)
1378 {
1379 call_void_hook(inet_csk_clone, newsk, req);
1380 }
1381
1382 void security_inet_conn_established(struct sock *sk,
1383 struct sk_buff *skb)
1384 {
1385 call_void_hook(inet_conn_established, sk, skb);
1386 }
1387
1388 int security_secmark_relabel_packet(u32 secid)
1389 {
1390 return call_int_hook(secmark_relabel_packet, 0, secid);
1391 }
1392 EXPORT_SYMBOL(security_secmark_relabel_packet);
1393
1394 void security_secmark_refcount_inc(void)
1395 {
1396 call_void_hook(secmark_refcount_inc);
1397 }
1398 EXPORT_SYMBOL(security_secmark_refcount_inc);
1399
1400 void security_secmark_refcount_dec(void)
1401 {
1402 call_void_hook(secmark_refcount_dec);
1403 }
1404 EXPORT_SYMBOL(security_secmark_refcount_dec);
1405
1406 int security_tun_dev_alloc_security(void **security)
1407 {
1408 return call_int_hook(tun_dev_alloc_security, 0, security);
1409 }
1410 EXPORT_SYMBOL(security_tun_dev_alloc_security);
1411
1412 void security_tun_dev_free_security(void *security)
1413 {
1414 call_void_hook(tun_dev_free_security, security);
1415 }
1416 EXPORT_SYMBOL(security_tun_dev_free_security);
1417
1418 int security_tun_dev_create(void)
1419 {
1420 return call_int_hook(tun_dev_create, 0);
1421 }
1422 EXPORT_SYMBOL(security_tun_dev_create);
1423
1424 int security_tun_dev_attach_queue(void *security)
1425 {
1426 return call_int_hook(tun_dev_attach_queue, 0, security);
1427 }
1428 EXPORT_SYMBOL(security_tun_dev_attach_queue);
1429
1430 int security_tun_dev_attach(struct sock *sk, void *security)
1431 {
1432 return call_int_hook(tun_dev_attach, 0, sk, security);
1433 }
1434 EXPORT_SYMBOL(security_tun_dev_attach);
1435
1436 int security_tun_dev_open(void *security)
1437 {
1438 return call_int_hook(tun_dev_open, 0, security);
1439 }
1440 EXPORT_SYMBOL(security_tun_dev_open);
1441
1442 #endif /* CONFIG_SECURITY_NETWORK */
1443
1444 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1445
1446 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1447 struct xfrm_user_sec_ctx *sec_ctx,
1448 gfp_t gfp)
1449 {
1450 return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
1451 }
1452 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1453
1454 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1455 struct xfrm_sec_ctx **new_ctxp)
1456 {
1457 return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
1458 }
1459
1460 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1461 {
1462 call_void_hook(xfrm_policy_free_security, ctx);
1463 }
1464 EXPORT_SYMBOL(security_xfrm_policy_free);
1465
1466 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1467 {
1468 return call_int_hook(xfrm_policy_delete_security, 0, ctx);
1469 }
1470
1471 int security_xfrm_state_alloc(struct xfrm_state *x,
1472 struct xfrm_user_sec_ctx *sec_ctx)
1473 {
1474 return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
1475 }
1476 EXPORT_SYMBOL(security_xfrm_state_alloc);
1477
1478 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1479 struct xfrm_sec_ctx *polsec, u32 secid)
1480 {
1481 return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
1482 }
1483
1484 int security_xfrm_state_delete(struct xfrm_state *x)
1485 {
1486 return call_int_hook(xfrm_state_delete_security, 0, x);
1487 }
1488 EXPORT_SYMBOL(security_xfrm_state_delete);
1489
1490 void security_xfrm_state_free(struct xfrm_state *x)
1491 {
1492 call_void_hook(xfrm_state_free_security, x);
1493 }
1494
1495 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1496 {
1497 return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
1498 }
1499
1500 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1501 struct xfrm_policy *xp,
1502 const struct flowi *fl)
1503 {
1504 struct security_hook_list *hp;
1505 int rc = 1;
1506
1507 /*
1508 * Since this function is expected to return 0 or 1, the judgment
1509 * becomes difficult if multiple LSMs supply this call. Fortunately,
1510 * we can use the first LSM's judgment because currently only SELinux
1511 * supplies this call.
1512 *
1513 * For speed optimization, we explicitly break the loop rather than
1514 * using the macro
1515 */
1516 list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match,
1517 list) {
1518 rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl);
1519 break;
1520 }
1521 return rc;
1522 }
1523
1524 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1525 {
1526 return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
1527 }
1528
1529 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1530 {
1531 int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid,
1532 0);
1533
1534 BUG_ON(rc);
1535 }
1536 EXPORT_SYMBOL(security_skb_classify_flow);
1537
1538 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1539
1540 #ifdef CONFIG_KEYS
1541
1542 int security_key_alloc(struct key *key, const struct cred *cred,
1543 unsigned long flags)
1544 {
1545 return call_int_hook(key_alloc, 0, key, cred, flags);
1546 }
1547
1548 void security_key_free(struct key *key)
1549 {
1550 call_void_hook(key_free, key);
1551 }
1552
1553 int security_key_permission(key_ref_t key_ref,
1554 const struct cred *cred, unsigned perm)
1555 {
1556 return call_int_hook(key_permission, 0, key_ref, cred, perm);
1557 }
1558
1559 int security_key_getsecurity(struct key *key, char **_buffer)
1560 {
1561 *_buffer = NULL;
1562 return call_int_hook(key_getsecurity, 0, key, _buffer);
1563 }
1564
1565 #endif /* CONFIG_KEYS */
1566
1567 #ifdef CONFIG_AUDIT
1568
1569 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1570 {
1571 return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
1572 }
1573
1574 int security_audit_rule_known(struct audit_krule *krule)
1575 {
1576 return call_int_hook(audit_rule_known, 0, krule);
1577 }
1578
1579 void security_audit_rule_free(void *lsmrule)
1580 {
1581 call_void_hook(audit_rule_free, lsmrule);
1582 }
1583
1584 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1585 struct audit_context *actx)
1586 {
1587 return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule,
1588 actx);
1589 }
1590 #endif /* CONFIG_AUDIT */
1591
1592 struct security_hook_heads security_hook_heads = {
1593 .binder_set_context_mgr =
1594 LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr),
1595 .binder_transaction =
1596 LIST_HEAD_INIT(security_hook_heads.binder_transaction),
1597 .binder_transfer_binder =
1598 LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder),
1599 .binder_transfer_file =
1600 LIST_HEAD_INIT(security_hook_heads.binder_transfer_file),
1601
1602 .ptrace_access_check =
1603 LIST_HEAD_INIT(security_hook_heads.ptrace_access_check),
1604 .ptrace_traceme =
1605 LIST_HEAD_INIT(security_hook_heads.ptrace_traceme),
1606 .capget = LIST_HEAD_INIT(security_hook_heads.capget),
1607 .capset = LIST_HEAD_INIT(security_hook_heads.capset),
1608 .capable = LIST_HEAD_INIT(security_hook_heads.capable),
1609 .quotactl = LIST_HEAD_INIT(security_hook_heads.quotactl),
1610 .quota_on = LIST_HEAD_INIT(security_hook_heads.quota_on),
1611 .syslog = LIST_HEAD_INIT(security_hook_heads.syslog),
1612 .settime = LIST_HEAD_INIT(security_hook_heads.settime),
1613 .vm_enough_memory =
1614 LIST_HEAD_INIT(security_hook_heads.vm_enough_memory),
1615 .bprm_set_creds =
1616 LIST_HEAD_INIT(security_hook_heads.bprm_set_creds),
1617 .bprm_check_security =
1618 LIST_HEAD_INIT(security_hook_heads.bprm_check_security),
1619 .bprm_secureexec =
1620 LIST_HEAD_INIT(security_hook_heads.bprm_secureexec),
1621 .bprm_committing_creds =
1622 LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds),
1623 .bprm_committed_creds =
1624 LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds),
1625 .sb_alloc_security =
1626 LIST_HEAD_INIT(security_hook_heads.sb_alloc_security),
1627 .sb_free_security =
1628 LIST_HEAD_INIT(security_hook_heads.sb_free_security),
1629 .sb_copy_data = LIST_HEAD_INIT(security_hook_heads.sb_copy_data),
1630 .sb_remount = LIST_HEAD_INIT(security_hook_heads.sb_remount),
1631 .sb_kern_mount =
1632 LIST_HEAD_INIT(security_hook_heads.sb_kern_mount),
1633 .sb_show_options =
1634 LIST_HEAD_INIT(security_hook_heads.sb_show_options),
1635 .sb_statfs = LIST_HEAD_INIT(security_hook_heads.sb_statfs),
1636 .sb_mount = LIST_HEAD_INIT(security_hook_heads.sb_mount),
1637 .sb_umount = LIST_HEAD_INIT(security_hook_heads.sb_umount),
1638 .sb_pivotroot = LIST_HEAD_INIT(security_hook_heads.sb_pivotroot),
1639 .sb_set_mnt_opts =
1640 LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts),
1641 .sb_clone_mnt_opts =
1642 LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts),
1643 .sb_parse_opts_str =
1644 LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str),
1645 .dentry_init_security =
1646 LIST_HEAD_INIT(security_hook_heads.dentry_init_security),
1647 .dentry_create_files_as =
1648 LIST_HEAD_INIT(security_hook_heads.dentry_create_files_as),
1649 #ifdef CONFIG_SECURITY_PATH
1650 .path_unlink = LIST_HEAD_INIT(security_hook_heads.path_unlink),
1651 .path_mkdir = LIST_HEAD_INIT(security_hook_heads.path_mkdir),
1652 .path_rmdir = LIST_HEAD_INIT(security_hook_heads.path_rmdir),
1653 .path_mknod = LIST_HEAD_INIT(security_hook_heads.path_mknod),
1654 .path_truncate =
1655 LIST_HEAD_INIT(security_hook_heads.path_truncate),
1656 .path_symlink = LIST_HEAD_INIT(security_hook_heads.path_symlink),
1657 .path_link = LIST_HEAD_INIT(security_hook_heads.path_link),
1658 .path_rename = LIST_HEAD_INIT(security_hook_heads.path_rename),
1659 .path_chmod = LIST_HEAD_INIT(security_hook_heads.path_chmod),
1660 .path_chown = LIST_HEAD_INIT(security_hook_heads.path_chown),
1661 .path_chroot = LIST_HEAD_INIT(security_hook_heads.path_chroot),
1662 #endif
1663 .inode_alloc_security =
1664 LIST_HEAD_INIT(security_hook_heads.inode_alloc_security),
1665 .inode_free_security =
1666 LIST_HEAD_INIT(security_hook_heads.inode_free_security),
1667 .inode_init_security =
1668 LIST_HEAD_INIT(security_hook_heads.inode_init_security),
1669 .inode_create = LIST_HEAD_INIT(security_hook_heads.inode_create),
1670 .inode_link = LIST_HEAD_INIT(security_hook_heads.inode_link),
1671 .inode_unlink = LIST_HEAD_INIT(security_hook_heads.inode_unlink),
1672 .inode_symlink =
1673 LIST_HEAD_INIT(security_hook_heads.inode_symlink),
1674 .inode_mkdir = LIST_HEAD_INIT(security_hook_heads.inode_mkdir),
1675 .inode_rmdir = LIST_HEAD_INIT(security_hook_heads.inode_rmdir),
1676 .inode_mknod = LIST_HEAD_INIT(security_hook_heads.inode_mknod),
1677 .inode_rename = LIST_HEAD_INIT(security_hook_heads.inode_rename),
1678 .inode_readlink =
1679 LIST_HEAD_INIT(security_hook_heads.inode_readlink),
1680 .inode_follow_link =
1681 LIST_HEAD_INIT(security_hook_heads.inode_follow_link),
1682 .inode_permission =
1683 LIST_HEAD_INIT(security_hook_heads.inode_permission),
1684 .inode_setattr =
1685 LIST_HEAD_INIT(security_hook_heads.inode_setattr),
1686 .inode_getattr =
1687 LIST_HEAD_INIT(security_hook_heads.inode_getattr),
1688 .inode_setxattr =
1689 LIST_HEAD_INIT(security_hook_heads.inode_setxattr),
1690 .inode_post_setxattr =
1691 LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr),
1692 .inode_getxattr =
1693 LIST_HEAD_INIT(security_hook_heads.inode_getxattr),
1694 .inode_listxattr =
1695 LIST_HEAD_INIT(security_hook_heads.inode_listxattr),
1696 .inode_removexattr =
1697 LIST_HEAD_INIT(security_hook_heads.inode_removexattr),
1698 .inode_need_killpriv =
1699 LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv),
1700 .inode_killpriv =
1701 LIST_HEAD_INIT(security_hook_heads.inode_killpriv),
1702 .inode_getsecurity =
1703 LIST_HEAD_INIT(security_hook_heads.inode_getsecurity),
1704 .inode_setsecurity =
1705 LIST_HEAD_INIT(security_hook_heads.inode_setsecurity),
1706 .inode_listsecurity =
1707 LIST_HEAD_INIT(security_hook_heads.inode_listsecurity),
1708 .inode_getsecid =
1709 LIST_HEAD_INIT(security_hook_heads.inode_getsecid),
1710 .inode_copy_up =
1711 LIST_HEAD_INIT(security_hook_heads.inode_copy_up),
1712 .inode_copy_up_xattr =
1713 LIST_HEAD_INIT(security_hook_heads.inode_copy_up_xattr),
1714 .file_permission =
1715 LIST_HEAD_INIT(security_hook_heads.file_permission),
1716 .file_alloc_security =
1717 LIST_HEAD_INIT(security_hook_heads.file_alloc_security),
1718 .file_free_security =
1719 LIST_HEAD_INIT(security_hook_heads.file_free_security),
1720 .file_ioctl = LIST_HEAD_INIT(security_hook_heads.file_ioctl),
1721 .mmap_addr = LIST_HEAD_INIT(security_hook_heads.mmap_addr),
1722 .mmap_file = LIST_HEAD_INIT(security_hook_heads.mmap_file),
1723 .file_mprotect =
1724 LIST_HEAD_INIT(security_hook_heads.file_mprotect),
1725 .file_lock = LIST_HEAD_INIT(security_hook_heads.file_lock),
1726 .file_fcntl = LIST_HEAD_INIT(security_hook_heads.file_fcntl),
1727 .file_set_fowner =
1728 LIST_HEAD_INIT(security_hook_heads.file_set_fowner),
1729 .file_send_sigiotask =
1730 LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask),
1731 .file_receive = LIST_HEAD_INIT(security_hook_heads.file_receive),
1732 .file_open = LIST_HEAD_INIT(security_hook_heads.file_open),
1733 .task_create = LIST_HEAD_INIT(security_hook_heads.task_create),
1734 .task_free = LIST_HEAD_INIT(security_hook_heads.task_free),
1735 .cred_alloc_blank =
1736 LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank),
1737 .cred_free = LIST_HEAD_INIT(security_hook_heads.cred_free),
1738 .cred_prepare = LIST_HEAD_INIT(security_hook_heads.cred_prepare),
1739 .cred_transfer =
1740 LIST_HEAD_INIT(security_hook_heads.cred_transfer),
1741 .kernel_act_as =
1742 LIST_HEAD_INIT(security_hook_heads.kernel_act_as),
1743 .kernel_create_files_as =
1744 LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as),
1745 .kernel_module_request =
1746 LIST_HEAD_INIT(security_hook_heads.kernel_module_request),
1747 .kernel_read_file =
1748 LIST_HEAD_INIT(security_hook_heads.kernel_read_file),
1749 .kernel_post_read_file =
1750 LIST_HEAD_INIT(security_hook_heads.kernel_post_read_file),
1751 .task_fix_setuid =
1752 LIST_HEAD_INIT(security_hook_heads.task_fix_setuid),
1753 .task_setpgid = LIST_HEAD_INIT(security_hook_heads.task_setpgid),
1754 .task_getpgid = LIST_HEAD_INIT(security_hook_heads.task_getpgid),
1755 .task_getsid = LIST_HEAD_INIT(security_hook_heads.task_getsid),
1756 .task_getsecid =
1757 LIST_HEAD_INIT(security_hook_heads.task_getsecid),
1758 .task_setnice = LIST_HEAD_INIT(security_hook_heads.task_setnice),
1759 .task_setioprio =
1760 LIST_HEAD_INIT(security_hook_heads.task_setioprio),
1761 .task_getioprio =
1762 LIST_HEAD_INIT(security_hook_heads.task_getioprio),
1763 .task_setrlimit =
1764 LIST_HEAD_INIT(security_hook_heads.task_setrlimit),
1765 .task_setscheduler =
1766 LIST_HEAD_INIT(security_hook_heads.task_setscheduler),
1767 .task_getscheduler =
1768 LIST_HEAD_INIT(security_hook_heads.task_getscheduler),
1769 .task_movememory =
1770 LIST_HEAD_INIT(security_hook_heads.task_movememory),
1771 .task_kill = LIST_HEAD_INIT(security_hook_heads.task_kill),
1772 .task_wait = LIST_HEAD_INIT(security_hook_heads.task_wait),
1773 .task_prctl = LIST_HEAD_INIT(security_hook_heads.task_prctl),
1774 .task_to_inode =
1775 LIST_HEAD_INIT(security_hook_heads.task_to_inode),
1776 .ipc_permission =
1777 LIST_HEAD_INIT(security_hook_heads.ipc_permission),
1778 .ipc_getsecid = LIST_HEAD_INIT(security_hook_heads.ipc_getsecid),
1779 .msg_msg_alloc_security =
1780 LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security),
1781 .msg_msg_free_security =
1782 LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security),
1783 .msg_queue_alloc_security =
1784 LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security),
1785 .msg_queue_free_security =
1786 LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security),
1787 .msg_queue_associate =
1788 LIST_HEAD_INIT(security_hook_heads.msg_queue_associate),
1789 .msg_queue_msgctl =
1790 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl),
1791 .msg_queue_msgsnd =
1792 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd),
1793 .msg_queue_msgrcv =
1794 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv),
1795 .shm_alloc_security =
1796 LIST_HEAD_INIT(security_hook_heads.shm_alloc_security),
1797 .shm_free_security =
1798 LIST_HEAD_INIT(security_hook_heads.shm_free_security),
1799 .shm_associate =
1800 LIST_HEAD_INIT(security_hook_heads.shm_associate),
1801 .shm_shmctl = LIST_HEAD_INIT(security_hook_heads.shm_shmctl),
1802 .shm_shmat = LIST_HEAD_INIT(security_hook_heads.shm_shmat),
1803 .sem_alloc_security =
1804 LIST_HEAD_INIT(security_hook_heads.sem_alloc_security),
1805 .sem_free_security =
1806 LIST_HEAD_INIT(security_hook_heads.sem_free_security),
1807 .sem_associate =
1808 LIST_HEAD_INIT(security_hook_heads.sem_associate),
1809 .sem_semctl = LIST_HEAD_INIT(security_hook_heads.sem_semctl),
1810 .sem_semop = LIST_HEAD_INIT(security_hook_heads.sem_semop),
1811 .netlink_send = LIST_HEAD_INIT(security_hook_heads.netlink_send),
1812 .d_instantiate =
1813 LIST_HEAD_INIT(security_hook_heads.d_instantiate),
1814 .getprocattr = LIST_HEAD_INIT(security_hook_heads.getprocattr),
1815 .setprocattr = LIST_HEAD_INIT(security_hook_heads.setprocattr),
1816 .ismaclabel = LIST_HEAD_INIT(security_hook_heads.ismaclabel),
1817 .secid_to_secctx =
1818 LIST_HEAD_INIT(security_hook_heads.secid_to_secctx),
1819 .secctx_to_secid =
1820 LIST_HEAD_INIT(security_hook_heads.secctx_to_secid),
1821 .release_secctx =
1822 LIST_HEAD_INIT(security_hook_heads.release_secctx),
1823 .inode_invalidate_secctx =
1824 LIST_HEAD_INIT(security_hook_heads.inode_invalidate_secctx),
1825 .inode_notifysecctx =
1826 LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx),
1827 .inode_setsecctx =
1828 LIST_HEAD_INIT(security_hook_heads.inode_setsecctx),
1829 .inode_getsecctx =
1830 LIST_HEAD_INIT(security_hook_heads.inode_getsecctx),
1831 #ifdef CONFIG_SECURITY_NETWORK
1832 .unix_stream_connect =
1833 LIST_HEAD_INIT(security_hook_heads.unix_stream_connect),
1834 .unix_may_send =
1835 LIST_HEAD_INIT(security_hook_heads.unix_may_send),
1836 .socket_create =
1837 LIST_HEAD_INIT(security_hook_heads.socket_create),
1838 .socket_post_create =
1839 LIST_HEAD_INIT(security_hook_heads.socket_post_create),
1840 .socket_bind = LIST_HEAD_INIT(security_hook_heads.socket_bind),
1841 .socket_connect =
1842 LIST_HEAD_INIT(security_hook_heads.socket_connect),
1843 .socket_listen =
1844 LIST_HEAD_INIT(security_hook_heads.socket_listen),
1845 .socket_accept =
1846 LIST_HEAD_INIT(security_hook_heads.socket_accept),
1847 .socket_sendmsg =
1848 LIST_HEAD_INIT(security_hook_heads.socket_sendmsg),
1849 .socket_recvmsg =
1850 LIST_HEAD_INIT(security_hook_heads.socket_recvmsg),
1851 .socket_getsockname =
1852 LIST_HEAD_INIT(security_hook_heads.socket_getsockname),
1853 .socket_getpeername =
1854 LIST_HEAD_INIT(security_hook_heads.socket_getpeername),
1855 .socket_getsockopt =
1856 LIST_HEAD_INIT(security_hook_heads.socket_getsockopt),
1857 .socket_setsockopt =
1858 LIST_HEAD_INIT(security_hook_heads.socket_setsockopt),
1859 .socket_shutdown =
1860 LIST_HEAD_INIT(security_hook_heads.socket_shutdown),
1861 .socket_sock_rcv_skb =
1862 LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb),
1863 .socket_getpeersec_stream =
1864 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream),
1865 .socket_getpeersec_dgram =
1866 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram),
1867 .sk_alloc_security =
1868 LIST_HEAD_INIT(security_hook_heads.sk_alloc_security),
1869 .sk_free_security =
1870 LIST_HEAD_INIT(security_hook_heads.sk_free_security),
1871 .sk_clone_security =
1872 LIST_HEAD_INIT(security_hook_heads.sk_clone_security),
1873 .sk_getsecid = LIST_HEAD_INIT(security_hook_heads.sk_getsecid),
1874 .sock_graft = LIST_HEAD_INIT(security_hook_heads.sock_graft),
1875 .inet_conn_request =
1876 LIST_HEAD_INIT(security_hook_heads.inet_conn_request),
1877 .inet_csk_clone =
1878 LIST_HEAD_INIT(security_hook_heads.inet_csk_clone),
1879 .inet_conn_established =
1880 LIST_HEAD_INIT(security_hook_heads.inet_conn_established),
1881 .secmark_relabel_packet =
1882 LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet),
1883 .secmark_refcount_inc =
1884 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc),
1885 .secmark_refcount_dec =
1886 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec),
1887 .req_classify_flow =
1888 LIST_HEAD_INIT(security_hook_heads.req_classify_flow),
1889 .tun_dev_alloc_security =
1890 LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security),
1891 .tun_dev_free_security =
1892 LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security),
1893 .tun_dev_create =
1894 LIST_HEAD_INIT(security_hook_heads.tun_dev_create),
1895 .tun_dev_attach_queue =
1896 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue),
1897 .tun_dev_attach =
1898 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach),
1899 .tun_dev_open = LIST_HEAD_INIT(security_hook_heads.tun_dev_open),
1900 #endif /* CONFIG_SECURITY_NETWORK */
1901 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1902 .xfrm_policy_alloc_security =
1903 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security),
1904 .xfrm_policy_clone_security =
1905 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security),
1906 .xfrm_policy_free_security =
1907 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security),
1908 .xfrm_policy_delete_security =
1909 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security),
1910 .xfrm_state_alloc =
1911 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc),
1912 .xfrm_state_alloc_acquire =
1913 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire),
1914 .xfrm_state_free_security =
1915 LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security),
1916 .xfrm_state_delete_security =
1917 LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security),
1918 .xfrm_policy_lookup =
1919 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup),
1920 .xfrm_state_pol_flow_match =
1921 LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match),
1922 .xfrm_decode_session =
1923 LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session),
1924 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1925 #ifdef CONFIG_KEYS
1926 .key_alloc = LIST_HEAD_INIT(security_hook_heads.key_alloc),
1927 .key_free = LIST_HEAD_INIT(security_hook_heads.key_free),
1928 .key_permission =
1929 LIST_HEAD_INIT(security_hook_heads.key_permission),
1930 .key_getsecurity =
1931 LIST_HEAD_INIT(security_hook_heads.key_getsecurity),
1932 #endif /* CONFIG_KEYS */
1933 #ifdef CONFIG_AUDIT
1934 .audit_rule_init =
1935 LIST_HEAD_INIT(security_hook_heads.audit_rule_init),
1936 .audit_rule_known =
1937 LIST_HEAD_INIT(security_hook_heads.audit_rule_known),
1938 .audit_rule_match =
1939 LIST_HEAD_INIT(security_hook_heads.audit_rule_match),
1940 .audit_rule_free =
1941 LIST_HEAD_INIT(security_hook_heads.audit_rule_free),
1942 #endif /* CONFIG_AUDIT */
1943 };