Version:  2.0.40 2.2.26 2.4.37 3.6 3.7 3.8 3.9 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

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

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