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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/bpf.h>
15#include <linux/capability.h>
16#include <linux/dcache.h>
17#include <linux/module.h>
18#include <linux/init.h>
19#include <linux/kernel.h>
20#include <linux/lsm_hooks.h>
21#include <linux/integrity.h>
22#include <linux/ima.h>
23#include <linux/evm.h>
24#include <linux/fsnotify.h>
25#include <linux/mman.h>
26#include <linux/mount.h>
27#include <linux/personality.h>
28#include <linux/backing-dev.h>
29#include <net/flow.h>
30
31#define MAX_LSM_EVM_XATTR 2
32
33/* Maximum number of letters for an LSM name string */
34#define SECURITY_NAME_MAX 10
35
36/* Boot-time LSM user choice */
37static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
38 CONFIG_DEFAULT_SECURITY;
39
40static void __init do_security_initcalls(void)
41{
42 initcall_t *call;
43 call = __security_initcall_start;
44 while (call < __security_initcall_end) {
45 (*call) ();
46 call++;
47 }
48}
49
50/**
51 * security_init - initializes the security framework
52 *
53 * This should be called early in the kernel initialization sequence.
54 */
55int __init security_init(void)
56{
57 pr_info("Security Framework initialized\n");
58
59 /*
60 * Load minor LSMs, with the capability module always first.
61 */
62 capability_add_hooks();
63 yama_add_hooks();
64 loadpin_add_hooks();
65
66 /*
67 * Load all the remaining security modules.
68 */
69 do_security_initcalls();
70
71 return 0;
72}
73
74/* Save user chosen LSM */
75static int __init choose_lsm(char *str)
76{
77 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
78 return 1;
79}
80__setup("security=", choose_lsm);
81
82/**
83 * security_module_enable - Load given security module on boot ?
84 * @module: the name of the module
85 *
86 * Each LSM must pass this method before registering its own operations
87 * to avoid security registration races. This method may also be used
88 * to check if your LSM is currently loaded during kernel initialization.
89 *
90 * Return true if:
91 * -The passed LSM is the one chosen by user at boot time,
92 * -or the passed LSM is configured as the default and the user did not
93 * choose an alternate LSM at boot time.
94 * Otherwise, return false.
95 */
96int __init security_module_enable(const char *module)
97{
98 return !strcmp(module, chosen_lsm);
99}
100
101/*
102 * Hook list operation macros.
103 *
104 * call_void_hook:
105 * This is a hook that does not return a value.
106 *
107 * call_int_hook:
108 * This is a hook that returns a value.
109 */
110
111#define call_void_hook(FUNC, ...) \
112 do { \
113 struct security_hook_list *P; \
114 \
115 list_for_each_entry(P, &security_hook_heads.FUNC, list) \
116 P->hook.FUNC(__VA_ARGS__); \
117 } while (0)
118
119#define call_int_hook(FUNC, IRC, ...) ({ \
120 int RC = IRC; \
121 do { \
122 struct security_hook_list *P; \
123 \
124 list_for_each_entry(P, &security_hook_heads.FUNC, list) { \
125 RC = P->hook.FUNC(__VA_ARGS__); \
126 if (RC != 0) \
127 break; \
128 } \
129 } while (0); \
130 RC; \
131})
132
133/* Security operations */
134
135int security_binder_set_context_mgr(struct task_struct *mgr)
136{
137 return call_int_hook(binder_set_context_mgr, 0, mgr);
138}
139
140int security_binder_transaction(struct task_struct *from,
141 struct task_struct *to)
142{
143 return call_int_hook(binder_transaction, 0, from, to);
144}
145
146int security_binder_transfer_binder(struct task_struct *from,
147 struct task_struct *to)
148{
149 return call_int_hook(binder_transfer_binder, 0, from, to);
150}
151
152int security_binder_transfer_file(struct task_struct *from,
153 struct task_struct *to, struct file *file)
154{
155 return call_int_hook(binder_transfer_file, 0, from, to, file);
156}
157
158int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
159{
160 return call_int_hook(ptrace_access_check, 0, child, mode);
161}
162
163int security_ptrace_traceme(struct task_struct *parent)
164{
165 return call_int_hook(ptrace_traceme, 0, parent);
166}
167
168int security_capget(struct task_struct *target,
169 kernel_cap_t *effective,
170 kernel_cap_t *inheritable,
171 kernel_cap_t *permitted)
172{
173 return call_int_hook(capget, 0, target,
174 effective, inheritable, permitted);
175}
176
177int security_capset(struct cred *new, const struct cred *old,
178 const kernel_cap_t *effective,
179 const kernel_cap_t *inheritable,
180 const kernel_cap_t *permitted)
181{
182 return call_int_hook(capset, 0, new, old,
183 effective, inheritable, permitted);
184}
185
186int security_capable(const struct cred *cred, struct user_namespace *ns,
187 int cap)
188{
189 return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT);
190}
191
192int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
193 int cap)
194{
195 return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT);
196}
197
198int security_quotactl(int cmds, int type, int id, struct super_block *sb)
199{
200 return call_int_hook(quotactl, 0, cmds, type, id, sb);
201}
202
203int security_quota_on(struct dentry *dentry)
204{
205 return call_int_hook(quota_on, 0, dentry);
206}
207
208int security_syslog(int type)
209{
210 return call_int_hook(syslog, 0, type);
211}
212
213int security_settime64(const struct timespec64 *ts, const struct timezone *tz)
214{
215 return call_int_hook(settime, 0, ts, tz);
216}
217
218int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
219{
220 struct security_hook_list *hp;
221 int cap_sys_admin = 1;
222 int rc;
223
224 /*
225 * The module will respond with a positive value if
226 * it thinks the __vm_enough_memory() call should be
227 * made with the cap_sys_admin set. If all of the modules
228 * agree that it should be set it will. If any module
229 * thinks it should not be set it won't.
230 */
231 list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) {
232 rc = hp->hook.vm_enough_memory(mm, pages);
233 if (rc <= 0) {
234 cap_sys_admin = 0;
235 break;
236 }
237 }
238 return __vm_enough_memory(mm, pages, cap_sys_admin);
239}
240
241int security_bprm_set_creds(struct linux_binprm *bprm)
242{
243 return call_int_hook(bprm_set_creds, 0, bprm);
244}
245
246int security_bprm_check(struct linux_binprm *bprm)
247{
248 int ret;
249
250 ret = call_int_hook(bprm_check_security, 0, bprm);
251 if (ret)
252 return ret;
253 return ima_bprm_check(bprm);
254}
255
256void security_bprm_committing_creds(struct linux_binprm *bprm)
257{
258 call_void_hook(bprm_committing_creds, bprm);
259}
260
261void security_bprm_committed_creds(struct linux_binprm *bprm)
262{
263 call_void_hook(bprm_committed_creds, bprm);
264}
265
266int security_bprm_secureexec(struct linux_binprm *bprm)
267{
268 return call_int_hook(bprm_secureexec, 0, bprm);
269}
270
271int security_sb_alloc(struct super_block *sb)
272{
273 return call_int_hook(sb_alloc_security, 0, sb);
274}
275
276void security_sb_free(struct super_block *sb)
277{
278 call_void_hook(sb_free_security, sb);
279}
280
281int security_sb_copy_data(char *orig, char *copy)
282{
283 return call_int_hook(sb_copy_data, 0, orig, copy);
284}
285EXPORT_SYMBOL(security_sb_copy_data);
286
287int security_sb_remount(struct super_block *sb, void *data)
288{
289 return call_int_hook(sb_remount, 0, sb, data);
290}
291
292int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
293{
294 return call_int_hook(sb_kern_mount, 0, sb, flags, data);
295}
296
297int security_sb_show_options(struct seq_file *m, struct super_block *sb)
298{
299 return call_int_hook(sb_show_options, 0, m, sb);
300}
301
302int security_sb_statfs(struct dentry *dentry)
303{
304 return call_int_hook(sb_statfs, 0, dentry);
305}
306
307int security_sb_mount(const char *dev_name, const struct path *path,
308 const char *type, unsigned long flags, void *data)
309{
310 return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data);
311}
312
313int security_sb_umount(struct vfsmount *mnt, int flags)
314{
315 return call_int_hook(sb_umount, 0, mnt, flags);
316}
317
318int security_sb_pivotroot(const struct path *old_path, const struct path *new_path)
319{
320 return call_int_hook(sb_pivotroot, 0, old_path, new_path);
321}
322
323int security_sb_set_mnt_opts(struct super_block *sb,
324 struct security_mnt_opts *opts,
325 unsigned long kern_flags,
326 unsigned long *set_kern_flags)
327{
328 return call_int_hook(sb_set_mnt_opts,
329 opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb,
330 opts, kern_flags, set_kern_flags);
331}
332EXPORT_SYMBOL(security_sb_set_mnt_opts);
333
334int security_sb_clone_mnt_opts(const struct super_block *oldsb,
335 struct super_block *newsb)
336{
337 return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb);
338}
339EXPORT_SYMBOL(security_sb_clone_mnt_opts);
340
341int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
342{
343 return call_int_hook(sb_parse_opts_str, 0, options, opts);
344}
345EXPORT_SYMBOL(security_sb_parse_opts_str);
346
347int security_inode_alloc(struct inode *inode)
348{
349 inode->i_security = NULL;
350 return call_int_hook(inode_alloc_security, 0, inode);
351}
352
353void security_inode_free(struct inode *inode)
354{
355 integrity_inode_free(inode);
356 call_void_hook(inode_free_security, inode);
357}
358
359int security_dentry_init_security(struct dentry *dentry, int mode,
360 const struct qstr *name, void **ctx,
361 u32 *ctxlen)
362{
363 return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode,
364 name, ctx, ctxlen);
365}
366EXPORT_SYMBOL(security_dentry_init_security);
367
368int security_dentry_create_files_as(struct dentry *dentry, int mode,
369 struct qstr *name,
370 const struct cred *old, struct cred *new)
371{
372 return call_int_hook(dentry_create_files_as, 0, dentry, mode,
373 name, old, new);
374}
375EXPORT_SYMBOL(security_dentry_create_files_as);
376
377int security_inode_init_security(struct inode *inode, struct inode *dir,
378 const struct qstr *qstr,
379 const initxattrs initxattrs, void *fs_data)
380{
381 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
382 struct xattr *lsm_xattr, *evm_xattr, *xattr;
383 int ret;
384
385 if (unlikely(IS_PRIVATE(inode)))
386 return 0;
387
388 if (!initxattrs)
389 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode,
390 dir, qstr, NULL, NULL, NULL);
391 memset(new_xattrs, 0, sizeof(new_xattrs));
392 lsm_xattr = new_xattrs;
393 ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr,
394 &lsm_xattr->name,
395 &lsm_xattr->value,
396 &lsm_xattr->value_len);
397 if (ret)
398 goto out;
399
400 evm_xattr = lsm_xattr + 1;
401 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
402 if (ret)
403 goto out;
404 ret = initxattrs(inode, new_xattrs, fs_data);
405out:
406 for (xattr = new_xattrs; xattr->value != NULL; xattr++)
407 kfree(xattr->value);
408 return (ret == -EOPNOTSUPP) ? 0 : ret;
409}
410EXPORT_SYMBOL(security_inode_init_security);
411
412int security_old_inode_init_security(struct inode *inode, struct inode *dir,
413 const struct qstr *qstr, const char **name,
414 void **value, size_t *len)
415{
416 if (unlikely(IS_PRIVATE(inode)))
417 return -EOPNOTSUPP;
418 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir,
419 qstr, name, value, len);
420}
421EXPORT_SYMBOL(security_old_inode_init_security);
422
423#ifdef CONFIG_SECURITY_PATH
424int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
425 unsigned int dev)
426{
427 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
428 return 0;
429 return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
430}
431EXPORT_SYMBOL(security_path_mknod);
432
433int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode)
434{
435 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
436 return 0;
437 return call_int_hook(path_mkdir, 0, dir, dentry, mode);
438}
439EXPORT_SYMBOL(security_path_mkdir);
440
441int security_path_rmdir(const struct path *dir, struct dentry *dentry)
442{
443 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
444 return 0;
445 return call_int_hook(path_rmdir, 0, dir, dentry);
446}
447
448int security_path_unlink(const struct path *dir, struct dentry *dentry)
449{
450 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
451 return 0;
452 return call_int_hook(path_unlink, 0, dir, dentry);
453}
454EXPORT_SYMBOL(security_path_unlink);
455
456int security_path_symlink(const struct path *dir, struct dentry *dentry,
457 const char *old_name)
458{
459 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
460 return 0;
461 return call_int_hook(path_symlink, 0, dir, dentry, old_name);
462}
463
464int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
465 struct dentry *new_dentry)
466{
467 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
468 return 0;
469 return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
470}
471
472int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
473 const struct path *new_dir, struct dentry *new_dentry,
474 unsigned int flags)
475{
476 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
477 (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
478 return 0;
479
480 if (flags & RENAME_EXCHANGE) {
481 int err = call_int_hook(path_rename, 0, new_dir, new_dentry,
482 old_dir, old_dentry);
483 if (err)
484 return err;
485 }
486
487 return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
488 new_dentry);
489}
490EXPORT_SYMBOL(security_path_rename);
491
492int security_path_truncate(const struct path *path)
493{
494 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
495 return 0;
496 return call_int_hook(path_truncate, 0, path);
497}
498
499int security_path_chmod(const struct path *path, umode_t mode)
500{
501 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
502 return 0;
503 return call_int_hook(path_chmod, 0, path, mode);
504}
505
506int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
507{
508 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
509 return 0;
510 return call_int_hook(path_chown, 0, path, uid, gid);
511}
512EXPORT_SYMBOL(security_path_chown);
513
514int security_path_chroot(const struct path *path)
515{
516 return call_int_hook(path_chroot, 0, path);
517}
518#endif
519
520int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
521{
522 if (unlikely(IS_PRIVATE(dir)))
523 return 0;
524 return call_int_hook(inode_create, 0, dir, dentry, mode);
525}
526EXPORT_SYMBOL_GPL(security_inode_create);
527
528int security_inode_link(struct dentry *old_dentry, struct inode *dir,
529 struct dentry *new_dentry)
530{
531 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
532 return 0;
533 return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
534}
535
536int security_inode_unlink(struct inode *dir, struct dentry *dentry)
537{
538 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
539 return 0;
540 return call_int_hook(inode_unlink, 0, dir, dentry);
541}
542
543int security_inode_symlink(struct inode *dir, struct dentry *dentry,
544 const char *old_name)
545{
546 if (unlikely(IS_PRIVATE(dir)))
547 return 0;
548 return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
549}
550
551int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
552{
553 if (unlikely(IS_PRIVATE(dir)))
554 return 0;
555 return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
556}
557EXPORT_SYMBOL_GPL(security_inode_mkdir);
558
559int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
560{
561 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
562 return 0;
563 return call_int_hook(inode_rmdir, 0, dir, dentry);
564}
565
566int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
567{
568 if (unlikely(IS_PRIVATE(dir)))
569 return 0;
570 return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
571}
572
573int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
574 struct inode *new_dir, struct dentry *new_dentry,
575 unsigned int flags)
576{
577 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
578 (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
579 return 0;
580
581 if (flags & RENAME_EXCHANGE) {
582 int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
583 old_dir, old_dentry);
584 if (err)
585 return err;
586 }
587
588 return call_int_hook(inode_rename, 0, old_dir, old_dentry,
589 new_dir, new_dentry);
590}
591
592int security_inode_readlink(struct dentry *dentry)
593{
594 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
595 return 0;
596 return call_int_hook(inode_readlink, 0, dentry);
597}
598
599int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
600 bool rcu)
601{
602 if (unlikely(IS_PRIVATE(inode)))
603 return 0;
604 return call_int_hook(inode_follow_link, 0, dentry, inode, rcu);
605}
606
607int security_inode_permission(struct inode *inode, int mask)
608{
609 if (unlikely(IS_PRIVATE(inode)))
610 return 0;
611 return call_int_hook(inode_permission, 0, inode, mask);
612}
613
614int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
615{
616 int ret;
617
618 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
619 return 0;
620 ret = call_int_hook(inode_setattr, 0, dentry, attr);
621 if (ret)
622 return ret;
623 return evm_inode_setattr(dentry, attr);
624}
625EXPORT_SYMBOL_GPL(security_inode_setattr);
626
627int security_inode_getattr(const struct path *path)
628{
629 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
630 return 0;
631 return call_int_hook(inode_getattr, 0, path);
632}
633
634int security_inode_setxattr(struct dentry *dentry, const char *name,
635 const void *value, size_t size, int flags)
636{
637 int ret;
638
639 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
640 return 0;
641 /*
642 * SELinux and Smack integrate the cap call,
643 * so assume that all LSMs supplying this call do so.
644 */
645 ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size,
646 flags);
647
648 if (ret == 1)
649 ret = cap_inode_setxattr(dentry, name, value, size, flags);
650 if (ret)
651 return ret;
652 ret = ima_inode_setxattr(dentry, name, value, size);
653 if (ret)
654 return ret;
655 return evm_inode_setxattr(dentry, name, value, size);
656}
657
658void security_inode_post_setxattr(struct dentry *dentry, const char *name,
659 const void *value, size_t size, int flags)
660{
661 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
662 return;
663 call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
664 evm_inode_post_setxattr(dentry, name, value, size);
665}
666
667int security_inode_getxattr(struct dentry *dentry, const char *name)
668{
669 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
670 return 0;
671 return call_int_hook(inode_getxattr, 0, dentry, name);
672}
673
674int security_inode_listxattr(struct dentry *dentry)
675{
676 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
677 return 0;
678 return call_int_hook(inode_listxattr, 0, dentry);
679}
680
681int security_inode_removexattr(struct dentry *dentry, const char *name)
682{
683 int ret;
684
685 if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
686 return 0;
687 /*
688 * SELinux and Smack integrate the cap call,
689 * so assume that all LSMs supplying this call do so.
690 */
691 ret = call_int_hook(inode_removexattr, 1, dentry, name);
692 if (ret == 1)
693 ret = cap_inode_removexattr(dentry, name);
694 if (ret)
695 return ret;
696 ret = ima_inode_removexattr(dentry, name);
697 if (ret)
698 return ret;
699 return evm_inode_removexattr(dentry, name);
700}
701
702int security_inode_need_killpriv(struct dentry *dentry)
703{
704 return call_int_hook(inode_need_killpriv, 0, dentry);
705}
706
707int security_inode_killpriv(struct dentry *dentry)
708{
709 return call_int_hook(inode_killpriv, 0, dentry);
710}
711
712int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
713{
714 struct security_hook_list *hp;
715 int rc;
716
717 if (unlikely(IS_PRIVATE(inode)))
718 return -EOPNOTSUPP;
719 /*
720 * Only one module will provide an attribute with a given name.
721 */
722 list_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) {
723 rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc);
724 if (rc != -EOPNOTSUPP)
725 return rc;
726 }
727 return -EOPNOTSUPP;
728}
729
730int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
731{
732 struct security_hook_list *hp;
733 int rc;
734
735 if (unlikely(IS_PRIVATE(inode)))
736 return -EOPNOTSUPP;
737 /*
738 * Only one module will provide an attribute with a given name.
739 */
740 list_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) {
741 rc = hp->hook.inode_setsecurity(inode, name, value, size,
742 flags);
743 if (rc != -EOPNOTSUPP)
744 return rc;
745 }
746 return -EOPNOTSUPP;
747}
748
749int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
750{
751 if (unlikely(IS_PRIVATE(inode)))
752 return 0;
753 return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
754}
755EXPORT_SYMBOL(security_inode_listsecurity);
756
757void security_inode_getsecid(struct inode *inode, u32 *secid)
758{
759 call_void_hook(inode_getsecid, inode, secid);
760}
761
762int security_inode_copy_up(struct dentry *src, struct cred **new)
763{
764 return call_int_hook(inode_copy_up, 0, src, new);
765}
766EXPORT_SYMBOL(security_inode_copy_up);
767
768int security_inode_copy_up_xattr(const char *name)
769{
770 return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name);
771}
772EXPORT_SYMBOL(security_inode_copy_up_xattr);
773
774int security_file_permission(struct file *file, int mask)
775{
776 int ret;
777
778 ret = call_int_hook(file_permission, 0, file, mask);
779 if (ret)
780 return ret;
781
782 return fsnotify_perm(file, mask);
783}
784
785int security_file_alloc(struct file *file)
786{
787 return call_int_hook(file_alloc_security, 0, file);
788}
789
790void security_file_free(struct file *file)
791{
792 call_void_hook(file_free_security, file);
793}
794
795int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
796{
797 return call_int_hook(file_ioctl, 0, file, cmd, arg);
798}
799
800static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
801{
802 /*
803 * Does we have PROT_READ and does the application expect
804 * it to imply PROT_EXEC? If not, nothing to talk about...
805 */
806 if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ)
807 return prot;
808 if (!(current->personality & READ_IMPLIES_EXEC))
809 return prot;
810 /*
811 * if that's an anonymous mapping, let it.
812 */
813 if (!file)
814 return prot | PROT_EXEC;
815 /*
816 * ditto if it's not on noexec mount, except that on !MMU we need
817 * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
818 */
819 if (!path_noexec(&file->f_path)) {
820#ifndef CONFIG_MMU
821 if (file->f_op->mmap_capabilities) {
822 unsigned caps = file->f_op->mmap_capabilities(file);
823 if (!(caps & NOMMU_MAP_EXEC))
824 return prot;
825 }
826#endif
827 return prot | PROT_EXEC;
828 }
829 /* anything on noexec mount won't get PROT_EXEC */
830 return prot;
831}
832
833int security_mmap_file(struct file *file, unsigned long prot,
834 unsigned long flags)
835{
836 int ret;
837 ret = call_int_hook(mmap_file, 0, file, prot,
838 mmap_prot(file, prot), flags);
839 if (ret)
840 return ret;
841 return ima_file_mmap(file, prot);
842}
843
844int security_mmap_addr(unsigned long addr)
845{
846 return call_int_hook(mmap_addr, 0, addr);
847}
848
849int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
850 unsigned long prot)
851{
852 return call_int_hook(file_mprotect, 0, vma, reqprot, prot);
853}
854
855int security_file_lock(struct file *file, unsigned int cmd)
856{
857 return call_int_hook(file_lock, 0, file, cmd);
858}
859
860int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
861{
862 return call_int_hook(file_fcntl, 0, file, cmd, arg);
863}
864
865void security_file_set_fowner(struct file *file)
866{
867 call_void_hook(file_set_fowner, file);
868}
869
870int security_file_send_sigiotask(struct task_struct *tsk,
871 struct fown_struct *fown, int sig)
872{
873 return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
874}
875
876int security_file_receive(struct file *file)
877{
878 return call_int_hook(file_receive, 0, file);
879}
880
881int security_file_open(struct file *file, const struct cred *cred)
882{
883 int ret;
884
885 ret = call_int_hook(file_open, 0, file, cred);
886 if (ret)
887 return ret;
888
889 return fsnotify_perm(file, MAY_OPEN);
890}
891
892int security_task_create(unsigned long clone_flags)
893{
894 return call_int_hook(task_create, 0, clone_flags);
895}
896
897void security_task_free(struct task_struct *task)
898{
899 call_void_hook(task_free, task);
900}
901
902int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
903{
904 return call_int_hook(cred_alloc_blank, 0, cred, gfp);
905}
906
907void security_cred_free(struct cred *cred)
908{
909 /*
910 * There is a failure case in prepare_creds() that
911 * may result in a call here with ->security being NULL.
912 */
913 if (unlikely(cred->security == NULL))
914 return;
915
916 call_void_hook(cred_free, cred);
917}
918
919int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
920{
921 return call_int_hook(cred_prepare, 0, new, old, gfp);
922}
923
924void security_transfer_creds(struct cred *new, const struct cred *old)
925{
926 call_void_hook(cred_transfer, new, old);
927}
928
929int security_kernel_act_as(struct cred *new, u32 secid)
930{
931 return call_int_hook(kernel_act_as, 0, new, secid);
932}
933
934int security_kernel_create_files_as(struct cred *new, struct inode *inode)
935{
936 return call_int_hook(kernel_create_files_as, 0, new, inode);
937}
938
939int security_kernel_module_request(char *kmod_name)
940{
941 return call_int_hook(kernel_module_request, 0, kmod_name);
942}
943
944int security_kernel_read_file(struct file *file, enum kernel_read_file_id id)
945{
946 int ret;
947
948 ret = call_int_hook(kernel_read_file, 0, file, id);
949 if (ret)
950 return ret;
951 return ima_read_file(file, id);
952}
953EXPORT_SYMBOL_GPL(security_kernel_read_file);
954
955int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
956 enum kernel_read_file_id id)
957{
958 int ret;
959
960 ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id);
961 if (ret)
962 return ret;
963 return ima_post_read_file(file, buf, size, id);
964}
965EXPORT_SYMBOL_GPL(security_kernel_post_read_file);
966
967int security_task_fix_setuid(struct cred *new, const struct cred *old,
968 int flags)
969{
970 return call_int_hook(task_fix_setuid, 0, new, old, flags);
971}
972
973int security_task_setpgid(struct task_struct *p, pid_t pgid)
974{
975 return call_int_hook(task_setpgid, 0, p, pgid);
976}
977
978int security_task_getpgid(struct task_struct *p)
979{
980 return call_int_hook(task_getpgid, 0, p);
981}
982
983int security_task_getsid(struct task_struct *p)
984{
985 return call_int_hook(task_getsid, 0, p);
986}
987
988void security_task_getsecid(struct task_struct *p, u32 *secid)
989{
990 *secid = 0;
991 call_void_hook(task_getsecid, p, secid);
992}
993EXPORT_SYMBOL(security_task_getsecid);
994
995int security_task_setnice(struct task_struct *p, int nice)
996{
997 return call_int_hook(task_setnice, 0, p, nice);
998}
999
1000int security_task_setioprio(struct task_struct *p, int ioprio)
1001{
1002 return call_int_hook(task_setioprio, 0, p, ioprio);
1003}
1004
1005int security_task_getioprio(struct task_struct *p)
1006{
1007 return call_int_hook(task_getioprio, 0, p);
1008}
1009
1010int security_task_setrlimit(struct task_struct *p, unsigned int resource,
1011 struct rlimit *new_rlim)
1012{
1013 return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
1014}
1015
1016int security_task_setscheduler(struct task_struct *p)
1017{
1018 return call_int_hook(task_setscheduler, 0, p);
1019}
1020
1021int security_task_getscheduler(struct task_struct *p)
1022{
1023 return call_int_hook(task_getscheduler, 0, p);
1024}
1025
1026int security_task_movememory(struct task_struct *p)
1027{
1028 return call_int_hook(task_movememory, 0, p);
1029}
1030
1031int security_task_kill(struct task_struct *p, struct siginfo *info,
1032 int sig, u32 secid)
1033{
1034 return call_int_hook(task_kill, 0, p, info, sig, secid);
1035}
1036
1037int security_task_wait(struct task_struct *p)
1038{
1039 return call_int_hook(task_wait, 0, p);
1040}
1041
1042int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
1043 unsigned long arg4, unsigned long arg5)
1044{
1045 int thisrc;
1046 int rc = -ENOSYS;
1047 struct security_hook_list *hp;
1048
1049 list_for_each_entry(hp, &security_hook_heads.task_prctl, list) {
1050 thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5);
1051 if (thisrc != -ENOSYS) {
1052 rc = thisrc;
1053 if (thisrc != 0)
1054 break;
1055 }
1056 }
1057 return rc;
1058}
1059
1060void security_task_to_inode(struct task_struct *p, struct inode *inode)
1061{
1062 call_void_hook(task_to_inode, p, inode);
1063}
1064
1065int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
1066{
1067 return call_int_hook(ipc_permission, 0, ipcp, flag);
1068}
1069
1070void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1071{
1072 *secid = 0;
1073 call_void_hook(ipc_getsecid, ipcp, secid);
1074}
1075
1076int security_msg_msg_alloc(struct msg_msg *msg)
1077{
1078 return call_int_hook(msg_msg_alloc_security, 0, msg);
1079}
1080
1081void security_msg_msg_free(struct msg_msg *msg)
1082{
1083 call_void_hook(msg_msg_free_security, msg);
1084}
1085
1086int security_msg_queue_alloc(struct msg_queue *msq)
1087{
1088 return call_int_hook(msg_queue_alloc_security, 0, msq);
1089}
1090
1091void security_msg_queue_free(struct msg_queue *msq)
1092{
1093 call_void_hook(msg_queue_free_security, msq);
1094}
1095
1096int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
1097{
1098 return call_int_hook(msg_queue_associate, 0, msq, msqflg);
1099}
1100
1101int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
1102{
1103 return call_int_hook(msg_queue_msgctl, 0, msq, cmd);
1104}
1105
1106int security_msg_queue_msgsnd(struct msg_queue *msq,
1107 struct msg_msg *msg, int msqflg)
1108{
1109 return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg);
1110}
1111
1112int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
1113 struct task_struct *target, long type, int mode)
1114{
1115 return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
1116}
1117
1118int security_shm_alloc(struct shmid_kernel *shp)
1119{
1120 return call_int_hook(shm_alloc_security, 0, shp);
1121}
1122
1123void security_shm_free(struct shmid_kernel *shp)
1124{
1125 call_void_hook(shm_free_security, shp);
1126}
1127
1128int security_shm_associate(struct shmid_kernel *shp, int shmflg)
1129{
1130 return call_int_hook(shm_associate, 0, shp, shmflg);
1131}
1132
1133int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
1134{
1135 return call_int_hook(shm_shmctl, 0, shp, cmd);
1136}
1137
1138int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
1139{
1140 return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
1141}
1142
1143int security_sem_alloc(struct sem_array *sma)
1144{
1145 return call_int_hook(sem_alloc_security, 0, sma);
1146}
1147
1148void security_sem_free(struct sem_array *sma)
1149{
1150 call_void_hook(sem_free_security, sma);
1151}
1152
1153int security_sem_associate(struct sem_array *sma, int semflg)
1154{
1155 return call_int_hook(sem_associate, 0, sma, semflg);
1156}
1157
1158int security_sem_semctl(struct sem_array *sma, int cmd)
1159{
1160 return call_int_hook(sem_semctl, 0, sma, cmd);
1161}
1162
1163int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
1164 unsigned nsops, int alter)
1165{
1166 return call_int_hook(sem_semop, 0, sma, sops, nsops, alter);
1167}
1168
1169void security_d_instantiate(struct dentry *dentry, struct inode *inode)
1170{
1171 if (unlikely(inode && IS_PRIVATE(inode)))
1172 return;
1173 call_void_hook(d_instantiate, dentry, inode);
1174}
1175EXPORT_SYMBOL(security_d_instantiate);
1176
1177int security_getprocattr(struct task_struct *p, char *name, char **value)
1178{
1179 return call_int_hook(getprocattr, -EINVAL, p, name, value);
1180}
1181
1182int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
1183{
1184 return call_int_hook(setprocattr, -EINVAL, p, name, value, size);
1185}
1186
1187int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1188{
1189 return call_int_hook(netlink_send, 0, sk, skb);
1190}
1191
1192int security_ismaclabel(const char *name)
1193{
1194 return call_int_hook(ismaclabel, 0, name);
1195}
1196EXPORT_SYMBOL(security_ismaclabel);
1197
1198int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1199{
1200 return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
1201 seclen);
1202}
1203EXPORT_SYMBOL(security_secid_to_secctx);
1204
1205int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1206{
1207 *secid = 0;
1208 return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
1209}
1210EXPORT_SYMBOL(security_secctx_to_secid);
1211
1212void security_release_secctx(char *secdata, u32 seclen)
1213{
1214 call_void_hook(release_secctx, secdata, seclen);
1215}
1216EXPORT_SYMBOL(security_release_secctx);
1217
1218void security_inode_invalidate_secctx(struct inode *inode)
1219{
1220 call_void_hook(inode_invalidate_secctx, inode);
1221}
1222EXPORT_SYMBOL(security_inode_invalidate_secctx);
1223
1224int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1225{
1226 return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
1227}
1228EXPORT_SYMBOL(security_inode_notifysecctx);
1229
1230int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1231{
1232 return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
1233}
1234EXPORT_SYMBOL(security_inode_setsecctx);
1235
1236int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1237{
1238 return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
1239}
1240EXPORT_SYMBOL(security_inode_getsecctx);
1241
1242#ifdef CONFIG_SECURITY_NETWORK
1243
1244int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
1245{
1246 return call_int_hook(unix_stream_connect, 0, sock, other, newsk);
1247}
1248EXPORT_SYMBOL(security_unix_stream_connect);
1249
1250int security_unix_may_send(struct socket *sock, struct socket *other)
1251{
1252 return call_int_hook(unix_may_send, 0, sock, other);
1253}
1254EXPORT_SYMBOL(security_unix_may_send);
1255
1256int security_socket_create(int family, int type, int protocol, int kern)
1257{
1258 return call_int_hook(socket_create, 0, family, type, protocol, kern);
1259}
1260
1261int security_socket_post_create(struct socket *sock, int family,
1262 int type, int protocol, int kern)
1263{
1264 return call_int_hook(socket_post_create, 0, sock, family, type,
1265 protocol, kern);
1266}
1267
1268int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1269{
1270 return call_int_hook(socket_bind, 0, sock, address, addrlen);
1271}
1272
1273int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1274{
1275 return call_int_hook(socket_connect, 0, sock, address, addrlen);
1276}
1277
1278int security_socket_listen(struct socket *sock, int backlog)
1279{
1280 return call_int_hook(socket_listen, 0, sock, backlog);
1281}
1282
1283int security_socket_accept(struct socket *sock, struct socket *newsock)
1284{
1285 return call_int_hook(socket_accept, 0, sock, newsock);
1286}
1287
1288int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1289{
1290 return call_int_hook(socket_sendmsg, 0, sock, msg, size);
1291}
1292
1293int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1294 int size, int flags)
1295{
1296 return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
1297}
1298
1299int security_socket_getsockname(struct socket *sock)
1300{
1301 return call_int_hook(socket_getsockname, 0, sock);
1302}
1303
1304int security_socket_getpeername(struct socket *sock)
1305{
1306 return call_int_hook(socket_getpeername, 0, sock);
1307}
1308
1309int security_socket_getsockopt(struct socket *sock, int level, int optname)
1310{
1311 return call_int_hook(socket_getsockopt, 0, sock, level, optname);
1312}
1313
1314int security_socket_setsockopt(struct socket *sock, int level, int optname)
1315{
1316 return call_int_hook(socket_setsockopt, 0, sock, level, optname);
1317}
1318
1319int security_socket_shutdown(struct socket *sock, int how)
1320{
1321 return call_int_hook(socket_shutdown, 0, sock, how);
1322}
1323
1324int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1325{
1326 return call_int_hook(socket_sock_rcv_skb, 0, sk, skb);
1327}
1328EXPORT_SYMBOL(security_sock_rcv_skb);
1329
1330int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1331 int __user *optlen, unsigned len)
1332{
1333 return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock,
1334 optval, optlen, len);
1335}
1336
1337int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1338{
1339 return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock,
1340 skb, secid);
1341}
1342EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1343
1344int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1345{
1346 return call_int_hook(sk_alloc_security, 0, sk, family, priority);
1347}
1348
1349void security_sk_free(struct sock *sk)
1350{
1351 call_void_hook(sk_free_security, sk);
1352}
1353
1354void security_sk_clone(const struct sock *sk, struct sock *newsk)
1355{
1356 call_void_hook(sk_clone_security, sk, newsk);
1357}
1358EXPORT_SYMBOL(security_sk_clone);
1359
1360void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1361{
1362 call_void_hook(sk_getsecid, sk, &fl->flowi_secid);
1363}
1364EXPORT_SYMBOL(security_sk_classify_flow);
1365
1366void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1367{
1368 call_void_hook(req_classify_flow, req, fl);
1369}
1370EXPORT_SYMBOL(security_req_classify_flow);
1371
1372void security_sock_graft(struct sock *sk, struct socket *parent)
1373{
1374 call_void_hook(sock_graft, sk, parent);
1375}
1376EXPORT_SYMBOL(security_sock_graft);
1377
1378int security_inet_conn_request(struct sock *sk,
1379 struct sk_buff *skb, struct request_sock *req)
1380{
1381 return call_int_hook(inet_conn_request, 0, sk, skb, req);
1382}
1383EXPORT_SYMBOL(security_inet_conn_request);
1384
1385void security_inet_csk_clone(struct sock *newsk,
1386 const struct request_sock *req)
1387{
1388 call_void_hook(inet_csk_clone, newsk, req);
1389}
1390
1391void security_inet_conn_established(struct sock *sk,
1392 struct sk_buff *skb)
1393{
1394 call_void_hook(inet_conn_established, sk, skb);
1395}
1396
1397int security_secmark_relabel_packet(u32 secid)
1398{
1399 return call_int_hook(secmark_relabel_packet, 0, secid);
1400}
1401EXPORT_SYMBOL(security_secmark_relabel_packet);
1402
1403void security_secmark_refcount_inc(void)
1404{
1405 call_void_hook(secmark_refcount_inc);
1406}
1407EXPORT_SYMBOL(security_secmark_refcount_inc);
1408
1409void security_secmark_refcount_dec(void)
1410{
1411 call_void_hook(secmark_refcount_dec);
1412}
1413EXPORT_SYMBOL(security_secmark_refcount_dec);
1414
1415int security_tun_dev_alloc_security(void **security)
1416{
1417 return call_int_hook(tun_dev_alloc_security, 0, security);
1418}
1419EXPORT_SYMBOL(security_tun_dev_alloc_security);
1420
1421void security_tun_dev_free_security(void *security)
1422{
1423 call_void_hook(tun_dev_free_security, security);
1424}
1425EXPORT_SYMBOL(security_tun_dev_free_security);
1426
1427int security_tun_dev_create(void)
1428{
1429 return call_int_hook(tun_dev_create, 0);
1430}
1431EXPORT_SYMBOL(security_tun_dev_create);
1432
1433int security_tun_dev_attach_queue(void *security)
1434{
1435 return call_int_hook(tun_dev_attach_queue, 0, security);
1436}
1437EXPORT_SYMBOL(security_tun_dev_attach_queue);
1438
1439int security_tun_dev_attach(struct sock *sk, void *security)
1440{
1441 return call_int_hook(tun_dev_attach, 0, sk, security);
1442}
1443EXPORT_SYMBOL(security_tun_dev_attach);
1444
1445int security_tun_dev_open(void *security)
1446{
1447 return call_int_hook(tun_dev_open, 0, security);
1448}
1449EXPORT_SYMBOL(security_tun_dev_open);
1450
1451#endif /* CONFIG_SECURITY_NETWORK */
1452
1453#ifdef CONFIG_SECURITY_NETWORK_XFRM
1454
1455int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1456 struct xfrm_user_sec_ctx *sec_ctx,
1457 gfp_t gfp)
1458{
1459 return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
1460}
1461EXPORT_SYMBOL(security_xfrm_policy_alloc);
1462
1463int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1464 struct xfrm_sec_ctx **new_ctxp)
1465{
1466 return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
1467}
1468
1469void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1470{
1471 call_void_hook(xfrm_policy_free_security, ctx);
1472}
1473EXPORT_SYMBOL(security_xfrm_policy_free);
1474
1475int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1476{
1477 return call_int_hook(xfrm_policy_delete_security, 0, ctx);
1478}
1479
1480int security_xfrm_state_alloc(struct xfrm_state *x,
1481 struct xfrm_user_sec_ctx *sec_ctx)
1482{
1483 return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
1484}
1485EXPORT_SYMBOL(security_xfrm_state_alloc);
1486
1487int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1488 struct xfrm_sec_ctx *polsec, u32 secid)
1489{
1490 return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
1491}
1492
1493int security_xfrm_state_delete(struct xfrm_state *x)
1494{
1495 return call_int_hook(xfrm_state_delete_security, 0, x);
1496}
1497EXPORT_SYMBOL(security_xfrm_state_delete);
1498
1499void security_xfrm_state_free(struct xfrm_state *x)
1500{
1501 call_void_hook(xfrm_state_free_security, x);
1502}
1503
1504int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1505{
1506 return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
1507}
1508
1509int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1510 struct xfrm_policy *xp,
1511 const struct flowi *fl)
1512{
1513 struct security_hook_list *hp;
1514 int rc = 1;
1515
1516 /*
1517 * Since this function is expected to return 0 or 1, the judgment
1518 * becomes difficult if multiple LSMs supply this call. Fortunately,
1519 * we can use the first LSM's judgment because currently only SELinux
1520 * supplies this call.
1521 *
1522 * For speed optimization, we explicitly break the loop rather than
1523 * using the macro
1524 */
1525 list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match,
1526 list) {
1527 rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl);
1528 break;
1529 }
1530 return rc;
1531}
1532
1533int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1534{
1535 return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
1536}
1537
1538void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1539{
1540 int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid,
1541 0);
1542
1543 BUG_ON(rc);
1544}
1545EXPORT_SYMBOL(security_skb_classify_flow);
1546
1547#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1548
1549#ifdef CONFIG_KEYS
1550
1551int security_key_alloc(struct key *key, const struct cred *cred,
1552 unsigned long flags)
1553{
1554 return call_int_hook(key_alloc, 0, key, cred, flags);
1555}
1556
1557void security_key_free(struct key *key)
1558{
1559 call_void_hook(key_free, key);
1560}
1561
1562int security_key_permission(key_ref_t key_ref,
1563 const struct cred *cred, unsigned perm)
1564{
1565 return call_int_hook(key_permission, 0, key_ref, cred, perm);
1566}
1567
1568int security_key_getsecurity(struct key *key, char **_buffer)
1569{
1570 *_buffer = NULL;
1571 return call_int_hook(key_getsecurity, 0, key, _buffer);
1572}
1573
1574#endif /* CONFIG_KEYS */
1575
1576#ifdef CONFIG_AUDIT
1577
1578int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1579{
1580 return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
1581}
1582
1583int security_audit_rule_known(struct audit_krule *krule)
1584{
1585 return call_int_hook(audit_rule_known, 0, krule);
1586}
1587
1588void security_audit_rule_free(void *lsmrule)
1589{
1590 call_void_hook(audit_rule_free, lsmrule);
1591}
1592
1593int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1594 struct audit_context *actx)
1595{
1596 return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule,
1597 actx);
1598}
1599#endif /* CONFIG_AUDIT */
1600
1601#ifdef CONFIG_BPF_SYSCALL
1602int security_bpf(int cmd, union bpf_attr *attr, unsigned int size)
1603{
1604 return call_int_hook(bpf, 0, cmd, attr, size);
1605}
1606int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1607{
1608 return call_int_hook(bpf_map, 0, map, fmode);
1609}
1610int security_bpf_prog(struct bpf_prog *prog)
1611{
1612 return call_int_hook(bpf_prog, 0, prog);
1613}
1614int security_bpf_map_alloc(struct bpf_map *map)
1615{
1616 return call_int_hook(bpf_map_alloc_security, 0, map);
1617}
1618int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1619{
1620 return call_int_hook(bpf_prog_alloc_security, 0, aux);
1621}
1622void security_bpf_map_free(struct bpf_map *map)
1623{
1624 call_void_hook(bpf_map_free_security, map);
1625}
1626void security_bpf_prog_free(struct bpf_prog_aux *aux)
1627{
1628 call_void_hook(bpf_prog_free_security, aux);
1629}
1630#endif /* CONFIG_BPF_SYSCALL */
1631
1632struct security_hook_heads security_hook_heads = {
1633 .binder_set_context_mgr =
1634 LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr),
1635 .binder_transaction =
1636 LIST_HEAD_INIT(security_hook_heads.binder_transaction),
1637 .binder_transfer_binder =
1638 LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder),
1639 .binder_transfer_file =
1640 LIST_HEAD_INIT(security_hook_heads.binder_transfer_file),
1641
1642 .ptrace_access_check =
1643 LIST_HEAD_INIT(security_hook_heads.ptrace_access_check),
1644 .ptrace_traceme =
1645 LIST_HEAD_INIT(security_hook_heads.ptrace_traceme),
1646 .capget = LIST_HEAD_INIT(security_hook_heads.capget),
1647 .capset = LIST_HEAD_INIT(security_hook_heads.capset),
1648 .capable = LIST_HEAD_INIT(security_hook_heads.capable),
1649 .quotactl = LIST_HEAD_INIT(security_hook_heads.quotactl),
1650 .quota_on = LIST_HEAD_INIT(security_hook_heads.quota_on),
1651 .syslog = LIST_HEAD_INIT(security_hook_heads.syslog),
1652 .settime = LIST_HEAD_INIT(security_hook_heads.settime),
1653 .vm_enough_memory =
1654 LIST_HEAD_INIT(security_hook_heads.vm_enough_memory),
1655 .bprm_set_creds =
1656 LIST_HEAD_INIT(security_hook_heads.bprm_set_creds),
1657 .bprm_check_security =
1658 LIST_HEAD_INIT(security_hook_heads.bprm_check_security),
1659 .bprm_secureexec =
1660 LIST_HEAD_INIT(security_hook_heads.bprm_secureexec),
1661 .bprm_committing_creds =
1662 LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds),
1663 .bprm_committed_creds =
1664 LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds),
1665 .sb_alloc_security =
1666 LIST_HEAD_INIT(security_hook_heads.sb_alloc_security),
1667 .sb_free_security =
1668 LIST_HEAD_INIT(security_hook_heads.sb_free_security),
1669 .sb_copy_data = LIST_HEAD_INIT(security_hook_heads.sb_copy_data),
1670 .sb_remount = LIST_HEAD_INIT(security_hook_heads.sb_remount),
1671 .sb_kern_mount =
1672 LIST_HEAD_INIT(security_hook_heads.sb_kern_mount),
1673 .sb_show_options =
1674 LIST_HEAD_INIT(security_hook_heads.sb_show_options),
1675 .sb_statfs = LIST_HEAD_INIT(security_hook_heads.sb_statfs),
1676 .sb_mount = LIST_HEAD_INIT(security_hook_heads.sb_mount),
1677 .sb_umount = LIST_HEAD_INIT(security_hook_heads.sb_umount),
1678 .sb_pivotroot = LIST_HEAD_INIT(security_hook_heads.sb_pivotroot),
1679 .sb_set_mnt_opts =
1680 LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts),
1681 .sb_clone_mnt_opts =
1682 LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts),
1683 .sb_parse_opts_str =
1684 LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str),
1685 .dentry_init_security =
1686 LIST_HEAD_INIT(security_hook_heads.dentry_init_security),
1687 .dentry_create_files_as =
1688 LIST_HEAD_INIT(security_hook_heads.dentry_create_files_as),
1689#ifdef CONFIG_SECURITY_PATH
1690 .path_unlink = LIST_HEAD_INIT(security_hook_heads.path_unlink),
1691 .path_mkdir = LIST_HEAD_INIT(security_hook_heads.path_mkdir),
1692 .path_rmdir = LIST_HEAD_INIT(security_hook_heads.path_rmdir),
1693 .path_mknod = LIST_HEAD_INIT(security_hook_heads.path_mknod),
1694 .path_truncate =
1695 LIST_HEAD_INIT(security_hook_heads.path_truncate),
1696 .path_symlink = LIST_HEAD_INIT(security_hook_heads.path_symlink),
1697 .path_link = LIST_HEAD_INIT(security_hook_heads.path_link),
1698 .path_rename = LIST_HEAD_INIT(security_hook_heads.path_rename),
1699 .path_chmod = LIST_HEAD_INIT(security_hook_heads.path_chmod),
1700 .path_chown = LIST_HEAD_INIT(security_hook_heads.path_chown),
1701 .path_chroot = LIST_HEAD_INIT(security_hook_heads.path_chroot),
1702#endif
1703 .inode_alloc_security =
1704 LIST_HEAD_INIT(security_hook_heads.inode_alloc_security),
1705 .inode_free_security =
1706 LIST_HEAD_INIT(security_hook_heads.inode_free_security),
1707 .inode_init_security =
1708 LIST_HEAD_INIT(security_hook_heads.inode_init_security),
1709 .inode_create = LIST_HEAD_INIT(security_hook_heads.inode_create),
1710 .inode_link = LIST_HEAD_INIT(security_hook_heads.inode_link),
1711 .inode_unlink = LIST_HEAD_INIT(security_hook_heads.inode_unlink),
1712 .inode_symlink =
1713 LIST_HEAD_INIT(security_hook_heads.inode_symlink),
1714 .inode_mkdir = LIST_HEAD_INIT(security_hook_heads.inode_mkdir),
1715 .inode_rmdir = LIST_HEAD_INIT(security_hook_heads.inode_rmdir),
1716 .inode_mknod = LIST_HEAD_INIT(security_hook_heads.inode_mknod),
1717 .inode_rename = LIST_HEAD_INIT(security_hook_heads.inode_rename),
1718 .inode_readlink =
1719 LIST_HEAD_INIT(security_hook_heads.inode_readlink),
1720 .inode_follow_link =
1721 LIST_HEAD_INIT(security_hook_heads.inode_follow_link),
1722 .inode_permission =
1723 LIST_HEAD_INIT(security_hook_heads.inode_permission),
1724 .inode_setattr =
1725 LIST_HEAD_INIT(security_hook_heads.inode_setattr),
1726 .inode_getattr =
1727 LIST_HEAD_INIT(security_hook_heads.inode_getattr),
1728 .inode_setxattr =
1729 LIST_HEAD_INIT(security_hook_heads.inode_setxattr),
1730 .inode_post_setxattr =
1731 LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr),
1732 .inode_getxattr =
1733 LIST_HEAD_INIT(security_hook_heads.inode_getxattr),
1734 .inode_listxattr =
1735 LIST_HEAD_INIT(security_hook_heads.inode_listxattr),
1736 .inode_removexattr =
1737 LIST_HEAD_INIT(security_hook_heads.inode_removexattr),
1738 .inode_need_killpriv =
1739 LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv),
1740 .inode_killpriv =
1741 LIST_HEAD_INIT(security_hook_heads.inode_killpriv),
1742 .inode_getsecurity =
1743 LIST_HEAD_INIT(security_hook_heads.inode_getsecurity),
1744 .inode_setsecurity =
1745 LIST_HEAD_INIT(security_hook_heads.inode_setsecurity),
1746 .inode_listsecurity =
1747 LIST_HEAD_INIT(security_hook_heads.inode_listsecurity),
1748 .inode_getsecid =
1749 LIST_HEAD_INIT(security_hook_heads.inode_getsecid),
1750 .inode_copy_up =
1751 LIST_HEAD_INIT(security_hook_heads.inode_copy_up),
1752 .inode_copy_up_xattr =
1753 LIST_HEAD_INIT(security_hook_heads.inode_copy_up_xattr),
1754 .file_permission =
1755 LIST_HEAD_INIT(security_hook_heads.file_permission),
1756 .file_alloc_security =
1757 LIST_HEAD_INIT(security_hook_heads.file_alloc_security),
1758 .file_free_security =
1759 LIST_HEAD_INIT(security_hook_heads.file_free_security),
1760 .file_ioctl = LIST_HEAD_INIT(security_hook_heads.file_ioctl),
1761 .mmap_addr = LIST_HEAD_INIT(security_hook_heads.mmap_addr),
1762 .mmap_file = LIST_HEAD_INIT(security_hook_heads.mmap_file),
1763 .file_mprotect =
1764 LIST_HEAD_INIT(security_hook_heads.file_mprotect),
1765 .file_lock = LIST_HEAD_INIT(security_hook_heads.file_lock),
1766 .file_fcntl = LIST_HEAD_INIT(security_hook_heads.file_fcntl),
1767 .file_set_fowner =
1768 LIST_HEAD_INIT(security_hook_heads.file_set_fowner),
1769 .file_send_sigiotask =
1770 LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask),
1771 .file_receive = LIST_HEAD_INIT(security_hook_heads.file_receive),
1772 .file_open = LIST_HEAD_INIT(security_hook_heads.file_open),
1773 .task_create = LIST_HEAD_INIT(security_hook_heads.task_create),
1774 .task_free = LIST_HEAD_INIT(security_hook_heads.task_free),
1775 .cred_alloc_blank =
1776 LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank),
1777 .cred_free = LIST_HEAD_INIT(security_hook_heads.cred_free),
1778 .cred_prepare = LIST_HEAD_INIT(security_hook_heads.cred_prepare),
1779 .cred_transfer =
1780 LIST_HEAD_INIT(security_hook_heads.cred_transfer),
1781 .kernel_act_as =
1782 LIST_HEAD_INIT(security_hook_heads.kernel_act_as),
1783 .kernel_create_files_as =
1784 LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as),
1785 .kernel_module_request =
1786 LIST_HEAD_INIT(security_hook_heads.kernel_module_request),
1787 .kernel_read_file =
1788 LIST_HEAD_INIT(security_hook_heads.kernel_read_file),
1789 .kernel_post_read_file =
1790 LIST_HEAD_INIT(security_hook_heads.kernel_post_read_file),
1791 .task_fix_setuid =
1792 LIST_HEAD_INIT(security_hook_heads.task_fix_setuid),
1793 .task_setpgid = LIST_HEAD_INIT(security_hook_heads.task_setpgid),
1794 .task_getpgid = LIST_HEAD_INIT(security_hook_heads.task_getpgid),
1795 .task_getsid = LIST_HEAD_INIT(security_hook_heads.task_getsid),
1796 .task_getsecid =
1797 LIST_HEAD_INIT(security_hook_heads.task_getsecid),
1798 .task_setnice = LIST_HEAD_INIT(security_hook_heads.task_setnice),
1799 .task_setioprio =
1800 LIST_HEAD_INIT(security_hook_heads.task_setioprio),
1801 .task_getioprio =
1802 LIST_HEAD_INIT(security_hook_heads.task_getioprio),
1803 .task_setrlimit =
1804 LIST_HEAD_INIT(security_hook_heads.task_setrlimit),
1805 .task_setscheduler =
1806 LIST_HEAD_INIT(security_hook_heads.task_setscheduler),
1807 .task_getscheduler =
1808 LIST_HEAD_INIT(security_hook_heads.task_getscheduler),
1809 .task_movememory =
1810 LIST_HEAD_INIT(security_hook_heads.task_movememory),
1811 .task_kill = LIST_HEAD_INIT(security_hook_heads.task_kill),
1812 .task_wait = LIST_HEAD_INIT(security_hook_heads.task_wait),
1813 .task_prctl = LIST_HEAD_INIT(security_hook_heads.task_prctl),
1814 .task_to_inode =
1815 LIST_HEAD_INIT(security_hook_heads.task_to_inode),
1816 .ipc_permission =
1817 LIST_HEAD_INIT(security_hook_heads.ipc_permission),
1818 .ipc_getsecid = LIST_HEAD_INIT(security_hook_heads.ipc_getsecid),
1819 .msg_msg_alloc_security =
1820 LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security),
1821 .msg_msg_free_security =
1822 LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security),
1823 .msg_queue_alloc_security =
1824 LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security),
1825 .msg_queue_free_security =
1826 LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security),
1827 .msg_queue_associate =
1828 LIST_HEAD_INIT(security_hook_heads.msg_queue_associate),
1829 .msg_queue_msgctl =
1830 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl),
1831 .msg_queue_msgsnd =
1832 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd),
1833 .msg_queue_msgrcv =
1834 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv),
1835 .shm_alloc_security =
1836 LIST_HEAD_INIT(security_hook_heads.shm_alloc_security),
1837 .shm_free_security =
1838 LIST_HEAD_INIT(security_hook_heads.shm_free_security),
1839 .shm_associate =
1840 LIST_HEAD_INIT(security_hook_heads.shm_associate),
1841 .shm_shmctl = LIST_HEAD_INIT(security_hook_heads.shm_shmctl),
1842 .shm_shmat = LIST_HEAD_INIT(security_hook_heads.shm_shmat),
1843 .sem_alloc_security =
1844 LIST_HEAD_INIT(security_hook_heads.sem_alloc_security),
1845 .sem_free_security =
1846 LIST_HEAD_INIT(security_hook_heads.sem_free_security),
1847 .sem_associate =
1848 LIST_HEAD_INIT(security_hook_heads.sem_associate),
1849 .sem_semctl = LIST_HEAD_INIT(security_hook_heads.sem_semctl),
1850 .sem_semop = LIST_HEAD_INIT(security_hook_heads.sem_semop),
1851 .netlink_send = LIST_HEAD_INIT(security_hook_heads.netlink_send),
1852 .d_instantiate =
1853 LIST_HEAD_INIT(security_hook_heads.d_instantiate),
1854 .getprocattr = LIST_HEAD_INIT(security_hook_heads.getprocattr),
1855 .setprocattr = LIST_HEAD_INIT(security_hook_heads.setprocattr),
1856 .ismaclabel = LIST_HEAD_INIT(security_hook_heads.ismaclabel),
1857 .secid_to_secctx =
1858 LIST_HEAD_INIT(security_hook_heads.secid_to_secctx),
1859 .secctx_to_secid =
1860 LIST_HEAD_INIT(security_hook_heads.secctx_to_secid),
1861 .release_secctx =
1862 LIST_HEAD_INIT(security_hook_heads.release_secctx),
1863 .inode_invalidate_secctx =
1864 LIST_HEAD_INIT(security_hook_heads.inode_invalidate_secctx),
1865 .inode_notifysecctx =
1866 LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx),
1867 .inode_setsecctx =
1868 LIST_HEAD_INIT(security_hook_heads.inode_setsecctx),
1869 .inode_getsecctx =
1870 LIST_HEAD_INIT(security_hook_heads.inode_getsecctx),
1871#ifdef CONFIG_SECURITY_NETWORK
1872 .unix_stream_connect =
1873 LIST_HEAD_INIT(security_hook_heads.unix_stream_connect),
1874 .unix_may_send =
1875 LIST_HEAD_INIT(security_hook_heads.unix_may_send),
1876 .socket_create =
1877 LIST_HEAD_INIT(security_hook_heads.socket_create),
1878 .socket_post_create =
1879 LIST_HEAD_INIT(security_hook_heads.socket_post_create),
1880 .socket_bind = LIST_HEAD_INIT(security_hook_heads.socket_bind),
1881 .socket_connect =
1882 LIST_HEAD_INIT(security_hook_heads.socket_connect),
1883 .socket_listen =
1884 LIST_HEAD_INIT(security_hook_heads.socket_listen),
1885 .socket_accept =
1886 LIST_HEAD_INIT(security_hook_heads.socket_accept),
1887 .socket_sendmsg =
1888 LIST_HEAD_INIT(security_hook_heads.socket_sendmsg),
1889 .socket_recvmsg =
1890 LIST_HEAD_INIT(security_hook_heads.socket_recvmsg),
1891 .socket_getsockname =
1892 LIST_HEAD_INIT(security_hook_heads.socket_getsockname),
1893 .socket_getpeername =
1894 LIST_HEAD_INIT(security_hook_heads.socket_getpeername),
1895 .socket_getsockopt =
1896 LIST_HEAD_INIT(security_hook_heads.socket_getsockopt),
1897 .socket_setsockopt =
1898 LIST_HEAD_INIT(security_hook_heads.socket_setsockopt),
1899 .socket_shutdown =
1900 LIST_HEAD_INIT(security_hook_heads.socket_shutdown),
1901 .socket_sock_rcv_skb =
1902 LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb),
1903 .socket_getpeersec_stream =
1904 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream),
1905 .socket_getpeersec_dgram =
1906 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram),
1907 .sk_alloc_security =
1908 LIST_HEAD_INIT(security_hook_heads.sk_alloc_security),
1909 .sk_free_security =
1910 LIST_HEAD_INIT(security_hook_heads.sk_free_security),
1911 .sk_clone_security =
1912 LIST_HEAD_INIT(security_hook_heads.sk_clone_security),
1913 .sk_getsecid = LIST_HEAD_INIT(security_hook_heads.sk_getsecid),
1914 .sock_graft = LIST_HEAD_INIT(security_hook_heads.sock_graft),
1915 .inet_conn_request =
1916 LIST_HEAD_INIT(security_hook_heads.inet_conn_request),
1917 .inet_csk_clone =
1918 LIST_HEAD_INIT(security_hook_heads.inet_csk_clone),
1919 .inet_conn_established =
1920 LIST_HEAD_INIT(security_hook_heads.inet_conn_established),
1921 .secmark_relabel_packet =
1922 LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet),
1923 .secmark_refcount_inc =
1924 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc),
1925 .secmark_refcount_dec =
1926 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec),
1927 .req_classify_flow =
1928 LIST_HEAD_INIT(security_hook_heads.req_classify_flow),
1929 .tun_dev_alloc_security =
1930 LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security),
1931 .tun_dev_free_security =
1932 LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security),
1933 .tun_dev_create =
1934 LIST_HEAD_INIT(security_hook_heads.tun_dev_create),
1935 .tun_dev_attach_queue =
1936 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue),
1937 .tun_dev_attach =
1938 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach),
1939 .tun_dev_open = LIST_HEAD_INIT(security_hook_heads.tun_dev_open),
1940#endif /* CONFIG_SECURITY_NETWORK */
1941#ifdef CONFIG_SECURITY_NETWORK_XFRM
1942 .xfrm_policy_alloc_security =
1943 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security),
1944 .xfrm_policy_clone_security =
1945 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security),
1946 .xfrm_policy_free_security =
1947 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security),
1948 .xfrm_policy_delete_security =
1949 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security),
1950 .xfrm_state_alloc =
1951 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc),
1952 .xfrm_state_alloc_acquire =
1953 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire),
1954 .xfrm_state_free_security =
1955 LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security),
1956 .xfrm_state_delete_security =
1957 LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security),
1958 .xfrm_policy_lookup =
1959 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup),
1960 .xfrm_state_pol_flow_match =
1961 LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match),
1962 .xfrm_decode_session =
1963 LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session),
1964#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1965#ifdef CONFIG_KEYS
1966 .key_alloc = LIST_HEAD_INIT(security_hook_heads.key_alloc),
1967 .key_free = LIST_HEAD_INIT(security_hook_heads.key_free),
1968 .key_permission =
1969 LIST_HEAD_INIT(security_hook_heads.key_permission),
1970 .key_getsecurity =
1971 LIST_HEAD_INIT(security_hook_heads.key_getsecurity),
1972#endif /* CONFIG_KEYS */
1973#ifdef CONFIG_AUDIT
1974 .audit_rule_init =
1975 LIST_HEAD_INIT(security_hook_heads.audit_rule_init),
1976 .audit_rule_known =
1977 LIST_HEAD_INIT(security_hook_heads.audit_rule_known),
1978 .audit_rule_match =
1979 LIST_HEAD_INIT(security_hook_heads.audit_rule_match),
1980 .audit_rule_free =
1981 LIST_HEAD_INIT(security_hook_heads.audit_rule_free),
1982#endif /* CONFIG_AUDIT */
1983#ifdef CONFIG_BPF_SYSCALL
1984 .bpf =
1985 LIST_HEAD_INIT(security_hook_heads.bpf),
1986 .bpf_map =
1987 LIST_HEAD_INIT(security_hook_heads.bpf_map),
1988 .bpf_prog =
1989 LIST_HEAD_INIT(security_hook_heads.bpf_prog),
1990 .bpf_map_alloc_security =
1991 LIST_HEAD_INIT(security_hook_heads.bpf_map_alloc_security),
1992 .bpf_map_free_security =
1993 LIST_HEAD_INIT(security_hook_heads.bpf_map_free_security),
1994 .bpf_prog_alloc_security =
1995 LIST_HEAD_INIT(security_hook_heads.bpf_prog_alloc_security),
1996 .bpf_prog_free_security =
1997 LIST_HEAD_INIT(security_hook_heads.bpf_prog_free_security),
1998#endif /* CONFIG_BPF_SYSCALL */
1999};
2000