Version:  2.0.40 2.2.26 2.4.37 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7

Linux/security/security.c

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

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