Version:  2.0.40 2.2.26 2.4.37 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 4.8 4.9

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                                         const struct qstr *name, void **ctx,
360                                         u32 *ctxlen)
361 {
362         return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode,
363                                 name, ctx, ctxlen);
364 }
365 EXPORT_SYMBOL(security_dentry_init_security);
366 
367 int security_dentry_create_files_as(struct dentry *dentry, int mode,
368                                     struct qstr *name,
369                                     const struct cred *old, struct cred *new)
370 {
371         return call_int_hook(dentry_create_files_as, 0, dentry, mode,
372                                 name, old, new);
373 }
374 EXPORT_SYMBOL(security_dentry_create_files_as);
375 
376 int security_inode_init_security(struct inode *inode, struct inode *dir,
377                                  const struct qstr *qstr,
378                                  const initxattrs initxattrs, void *fs_data)
379 {
380         struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
381         struct xattr *lsm_xattr, *evm_xattr, *xattr;
382         int ret;
383 
384         if (unlikely(IS_PRIVATE(inode)))
385                 return 0;
386 
387         if (!initxattrs)
388                 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode,
389                                      dir, qstr, NULL, NULL, NULL);
390         memset(new_xattrs, 0, sizeof(new_xattrs));
391         lsm_xattr = new_xattrs;
392         ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr,
393                                                 &lsm_xattr->name,
394                                                 &lsm_xattr->value,
395                                                 &lsm_xattr->value_len);
396         if (ret)
397                 goto out;
398 
399         evm_xattr = lsm_xattr + 1;
400         ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
401         if (ret)
402                 goto out;
403         ret = initxattrs(inode, new_xattrs, fs_data);
404 out:
405         for (xattr = new_xattrs; xattr->value != NULL; xattr++)
406                 kfree(xattr->value);
407         return (ret == -EOPNOTSUPP) ? 0 : ret;
408 }
409 EXPORT_SYMBOL(security_inode_init_security);
410 
411 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
412                                      const struct qstr *qstr, const char **name,
413                                      void **value, size_t *len)
414 {
415         if (unlikely(IS_PRIVATE(inode)))
416                 return -EOPNOTSUPP;
417         return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir,
418                              qstr, name, value, len);
419 }
420 EXPORT_SYMBOL(security_old_inode_init_security);
421 
422 #ifdef CONFIG_SECURITY_PATH
423 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
424                         unsigned int dev)
425 {
426         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
427                 return 0;
428         return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
429 }
430 EXPORT_SYMBOL(security_path_mknod);
431 
432 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode)
433 {
434         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
435                 return 0;
436         return call_int_hook(path_mkdir, 0, dir, dentry, mode);
437 }
438 EXPORT_SYMBOL(security_path_mkdir);
439 
440 int security_path_rmdir(const struct path *dir, struct dentry *dentry)
441 {
442         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
443                 return 0;
444         return call_int_hook(path_rmdir, 0, dir, dentry);
445 }
446 
447 int security_path_unlink(const struct path *dir, struct dentry *dentry)
448 {
449         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
450                 return 0;
451         return call_int_hook(path_unlink, 0, dir, dentry);
452 }
453 EXPORT_SYMBOL(security_path_unlink);
454 
455 int security_path_symlink(const struct path *dir, struct dentry *dentry,
456                           const char *old_name)
457 {
458         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
459                 return 0;
460         return call_int_hook(path_symlink, 0, dir, dentry, old_name);
461 }
462 
463 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
464                        struct dentry *new_dentry)
465 {
466         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
467                 return 0;
468         return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
469 }
470 
471 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
472                          const struct path *new_dir, struct dentry *new_dentry,
473                          unsigned int flags)
474 {
475         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
476                      (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
477                 return 0;
478 
479         if (flags & RENAME_EXCHANGE) {
480                 int err = call_int_hook(path_rename, 0, new_dir, new_dentry,
481                                         old_dir, old_dentry);
482                 if (err)
483                         return err;
484         }
485 
486         return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
487                                 new_dentry);
488 }
489 EXPORT_SYMBOL(security_path_rename);
490 
491 int security_path_truncate(const struct path *path)
492 {
493         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
494                 return 0;
495         return call_int_hook(path_truncate, 0, path);
496 }
497 
498 int security_path_chmod(const struct path *path, umode_t mode)
499 {
500         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
501                 return 0;
502         return call_int_hook(path_chmod, 0, path, mode);
503 }
504 
505 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
506 {
507         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
508                 return 0;
509         return call_int_hook(path_chown, 0, path, uid, gid);
510 }
511 
512 int security_path_chroot(const struct path *path)
513 {
514         return call_int_hook(path_chroot, 0, path);
515 }
516 #endif
517 
518 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
519 {
520         if (unlikely(IS_PRIVATE(dir)))
521                 return 0;
522         return call_int_hook(inode_create, 0, dir, dentry, mode);
523 }
524 EXPORT_SYMBOL_GPL(security_inode_create);
525 
526 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
527                          struct dentry *new_dentry)
528 {
529         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
530                 return 0;
531         return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
532 }
533 
534 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
535 {
536         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
537                 return 0;
538         return call_int_hook(inode_unlink, 0, dir, dentry);
539 }
540 
541 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
542                             const char *old_name)
543 {
544         if (unlikely(IS_PRIVATE(dir)))
545                 return 0;
546         return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
547 }
548 
549 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
550 {
551         if (unlikely(IS_PRIVATE(dir)))
552                 return 0;
553         return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
554 }
555 EXPORT_SYMBOL_GPL(security_inode_mkdir);
556 
557 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
558 {
559         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
560                 return 0;
561         return call_int_hook(inode_rmdir, 0, dir, dentry);
562 }
563 
564 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
565 {
566         if (unlikely(IS_PRIVATE(dir)))
567                 return 0;
568         return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
569 }
570 
571 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
572                            struct inode *new_dir, struct dentry *new_dentry,
573                            unsigned int flags)
574 {
575         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
576             (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
577                 return 0;
578 
579         if (flags & RENAME_EXCHANGE) {
580                 int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
581                                                      old_dir, old_dentry);
582                 if (err)
583                         return err;
584         }
585 
586         return call_int_hook(inode_rename, 0, old_dir, old_dentry,
587                                            new_dir, new_dentry);
588 }
589 
590 int security_inode_readlink(struct dentry *dentry)
591 {
592         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
593                 return 0;
594         return call_int_hook(inode_readlink, 0, dentry);
595 }
596 
597 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
598                                bool rcu)
599 {
600         if (unlikely(IS_PRIVATE(inode)))
601                 return 0;
602         return call_int_hook(inode_follow_link, 0, dentry, inode, rcu);
603 }
604 
605 int security_inode_permission(struct inode *inode, int mask)
606 {
607         if (unlikely(IS_PRIVATE(inode)))
608                 return 0;
609         return call_int_hook(inode_permission, 0, inode, mask);
610 }
611 
612 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
613 {
614         int ret;
615 
616         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
617                 return 0;
618         ret = call_int_hook(inode_setattr, 0, dentry, attr);
619         if (ret)
620                 return ret;
621         return evm_inode_setattr(dentry, attr);
622 }
623 EXPORT_SYMBOL_GPL(security_inode_setattr);
624 
625 int security_inode_getattr(const struct path *path)
626 {
627         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
628                 return 0;
629         return call_int_hook(inode_getattr, 0, path);
630 }
631 
632 int security_inode_setxattr(struct dentry *dentry, const char *name,
633                             const void *value, size_t size, int flags)
634 {
635         int ret;
636 
637         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
638                 return 0;
639         /*
640          * SELinux and Smack integrate the cap call,
641          * so assume that all LSMs supplying this call do so.
642          */
643         ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size,
644                                 flags);
645 
646         if (ret == 1)
647                 ret = cap_inode_setxattr(dentry, name, value, size, flags);
648         if (ret)
649                 return ret;
650         ret = ima_inode_setxattr(dentry, name, value, size);
651         if (ret)
652                 return ret;
653         return evm_inode_setxattr(dentry, name, value, size);
654 }
655 
656 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
657                                   const void *value, size_t size, int flags)
658 {
659         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
660                 return;
661         call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
662         evm_inode_post_setxattr(dentry, name, value, size);
663 }
664 
665 int security_inode_getxattr(struct dentry *dentry, const char *name)
666 {
667         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
668                 return 0;
669         return call_int_hook(inode_getxattr, 0, dentry, name);
670 }
671 
672 int security_inode_listxattr(struct dentry *dentry)
673 {
674         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
675                 return 0;
676         return call_int_hook(inode_listxattr, 0, dentry);
677 }
678 
679 int security_inode_removexattr(struct dentry *dentry, const char *name)
680 {
681         int ret;
682 
683         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
684                 return 0;
685         /*
686          * SELinux and Smack integrate the cap call,
687          * so assume that all LSMs supplying this call do so.
688          */
689         ret = call_int_hook(inode_removexattr, 1, dentry, name);
690         if (ret == 1)
691                 ret = cap_inode_removexattr(dentry, name);
692         if (ret)
693                 return ret;
694         ret = ima_inode_removexattr(dentry, name);
695         if (ret)
696                 return ret;
697         return evm_inode_removexattr(dentry, name);
698 }
699 
700 int security_inode_need_killpriv(struct dentry *dentry)
701 {
702         return call_int_hook(inode_need_killpriv, 0, dentry);
703 }
704 
705 int security_inode_killpriv(struct dentry *dentry)
706 {
707         return call_int_hook(inode_killpriv, 0, dentry);
708 }
709 
710 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
711 {
712         struct security_hook_list *hp;
713         int rc;
714 
715         if (unlikely(IS_PRIVATE(inode)))
716                 return -EOPNOTSUPP;
717         /*
718          * Only one module will provide an attribute with a given name.
719          */
720         list_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) {
721                 rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc);
722                 if (rc != -EOPNOTSUPP)
723                         return rc;
724         }
725         return -EOPNOTSUPP;
726 }
727 
728 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
729 {
730         struct security_hook_list *hp;
731         int rc;
732 
733         if (unlikely(IS_PRIVATE(inode)))
734                 return -EOPNOTSUPP;
735         /*
736          * Only one module will provide an attribute with a given name.
737          */
738         list_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) {
739                 rc = hp->hook.inode_setsecurity(inode, name, value, size,
740                                                                 flags);
741                 if (rc != -EOPNOTSUPP)
742                         return rc;
743         }
744         return -EOPNOTSUPP;
745 }
746 
747 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
748 {
749         if (unlikely(IS_PRIVATE(inode)))
750                 return 0;
751         return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
752 }
753 EXPORT_SYMBOL(security_inode_listsecurity);
754 
755 void security_inode_getsecid(struct inode *inode, u32 *secid)
756 {
757         call_void_hook(inode_getsecid, inode, secid);
758 }
759 
760 int security_inode_copy_up(struct dentry *src, struct cred **new)
761 {
762         return call_int_hook(inode_copy_up, 0, src, new);
763 }
764 EXPORT_SYMBOL(security_inode_copy_up);
765 
766 int security_inode_copy_up_xattr(const char *name)
767 {
768         return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name);
769 }
770 EXPORT_SYMBOL(security_inode_copy_up_xattr);
771 
772 int security_file_permission(struct file *file, int mask)
773 {
774         int ret;
775 
776         ret = call_int_hook(file_permission, 0, file, mask);
777         if (ret)
778                 return ret;
779 
780         return fsnotify_perm(file, mask);
781 }
782 
783 int security_file_alloc(struct file *file)
784 {
785         return call_int_hook(file_alloc_security, 0, file);
786 }
787 
788 void security_file_free(struct file *file)
789 {
790         call_void_hook(file_free_security, file);
791 }
792 
793 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
794 {
795         return call_int_hook(file_ioctl, 0, file, cmd, arg);
796 }
797 
798 static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
799 {
800         /*
801          * Does we have PROT_READ and does the application expect
802          * it to imply PROT_EXEC?  If not, nothing to talk about...
803          */
804         if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ)
805                 return prot;
806         if (!(current->personality & READ_IMPLIES_EXEC))
807                 return prot;
808         /*
809          * if that's an anonymous mapping, let it.
810          */
811         if (!file)
812                 return prot | PROT_EXEC;
813         /*
814          * ditto if it's not on noexec mount, except that on !MMU we need
815          * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
816          */
817         if (!path_noexec(&file->f_path)) {
818 #ifndef CONFIG_MMU
819                 if (file->f_op->mmap_capabilities) {
820                         unsigned caps = file->f_op->mmap_capabilities(file);
821                         if (!(caps & NOMMU_MAP_EXEC))
822                                 return prot;
823                 }
824 #endif
825                 return prot | PROT_EXEC;
826         }
827         /* anything on noexec mount won't get PROT_EXEC */
828         return prot;
829 }
830 
831 int security_mmap_file(struct file *file, unsigned long prot,
832                         unsigned long flags)
833 {
834         int ret;
835         ret = call_int_hook(mmap_file, 0, file, prot,
836                                         mmap_prot(file, prot), flags);
837         if (ret)
838                 return ret;
839         return ima_file_mmap(file, prot);
840 }
841 
842 int security_mmap_addr(unsigned long addr)
843 {
844         return call_int_hook(mmap_addr, 0, addr);
845 }
846 
847 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
848                             unsigned long prot)
849 {
850         return call_int_hook(file_mprotect, 0, vma, reqprot, prot);
851 }
852 
853 int security_file_lock(struct file *file, unsigned int cmd)
854 {
855         return call_int_hook(file_lock, 0, file, cmd);
856 }
857 
858 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
859 {
860         return call_int_hook(file_fcntl, 0, file, cmd, arg);
861 }
862 
863 void security_file_set_fowner(struct file *file)
864 {
865         call_void_hook(file_set_fowner, file);
866 }
867 
868 int security_file_send_sigiotask(struct task_struct *tsk,
869                                   struct fown_struct *fown, int sig)
870 {
871         return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
872 }
873 
874 int security_file_receive(struct file *file)
875 {
876         return call_int_hook(file_receive, 0, file);
877 }
878 
879 int security_file_open(struct file *file, const struct cred *cred)
880 {
881         int ret;
882 
883         ret = call_int_hook(file_open, 0, file, cred);
884         if (ret)
885                 return ret;
886 
887         return fsnotify_perm(file, MAY_OPEN);
888 }
889 
890 int security_task_create(unsigned long clone_flags)
891 {
892         return call_int_hook(task_create, 0, clone_flags);
893 }
894 
895 void security_task_free(struct task_struct *task)
896 {
897         call_void_hook(task_free, task);
898 }
899 
900 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
901 {
902         return call_int_hook(cred_alloc_blank, 0, cred, gfp);
903 }
904 
905 void security_cred_free(struct cred *cred)
906 {
907         call_void_hook(cred_free, cred);
908 }
909 
910 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
911 {
912         return call_int_hook(cred_prepare, 0, new, old, gfp);
913 }
914 
915 void security_transfer_creds(struct cred *new, const struct cred *old)
916 {
917         call_void_hook(cred_transfer, new, old);
918 }
919 
920 int security_kernel_act_as(struct cred *new, u32 secid)
921 {
922         return call_int_hook(kernel_act_as, 0, new, secid);
923 }
924 
925 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
926 {
927         return call_int_hook(kernel_create_files_as, 0, new, inode);
928 }
929 
930 int security_kernel_module_request(char *kmod_name)
931 {
932         return call_int_hook(kernel_module_request, 0, kmod_name);
933 }
934 
935 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id)
936 {
937         int ret;
938 
939         ret = call_int_hook(kernel_read_file, 0, file, id);
940         if (ret)
941                 return ret;
942         return ima_read_file(file, id);
943 }
944 EXPORT_SYMBOL_GPL(security_kernel_read_file);
945 
946 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
947                                    enum kernel_read_file_id id)
948 {
949         int ret;
950 
951         ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id);
952         if (ret)
953                 return ret;
954         return ima_post_read_file(file, buf, size, id);
955 }
956 EXPORT_SYMBOL_GPL(security_kernel_post_read_file);
957 
958 int security_task_fix_setuid(struct cred *new, const struct cred *old,
959                              int flags)
960 {
961         return call_int_hook(task_fix_setuid, 0, new, old, flags);
962 }
963 
964 int security_task_setpgid(struct task_struct *p, pid_t pgid)
965 {
966         return call_int_hook(task_setpgid, 0, p, pgid);
967 }
968 
969 int security_task_getpgid(struct task_struct *p)
970 {
971         return call_int_hook(task_getpgid, 0, p);
972 }
973 
974 int security_task_getsid(struct task_struct *p)
975 {
976         return call_int_hook(task_getsid, 0, p);
977 }
978 
979 void security_task_getsecid(struct task_struct *p, u32 *secid)
980 {
981         *secid = 0;
982         call_void_hook(task_getsecid, p, secid);
983 }
984 EXPORT_SYMBOL(security_task_getsecid);
985 
986 int security_task_setnice(struct task_struct *p, int nice)
987 {
988         return call_int_hook(task_setnice, 0, p, nice);
989 }
990 
991 int security_task_setioprio(struct task_struct *p, int ioprio)
992 {
993         return call_int_hook(task_setioprio, 0, p, ioprio);
994 }
995 
996 int security_task_getioprio(struct task_struct *p)
997 {
998         return call_int_hook(task_getioprio, 0, p);
999 }
1000 
1001 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
1002                 struct rlimit *new_rlim)
1003 {
1004         return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
1005 }
1006 
1007 int security_task_setscheduler(struct task_struct *p)
1008 {
1009         return call_int_hook(task_setscheduler, 0, p);
1010 }
1011 
1012 int security_task_getscheduler(struct task_struct *p)
1013 {
1014         return call_int_hook(task_getscheduler, 0, p);
1015 }
1016 
1017 int security_task_movememory(struct task_struct *p)
1018 {
1019         return call_int_hook(task_movememory, 0, p);
1020 }
1021 
1022 int security_task_kill(struct task_struct *p, struct siginfo *info,
1023                         int sig, u32 secid)
1024 {
1025         return call_int_hook(task_kill, 0, p, info, sig, secid);
1026 }
1027 
1028 int security_task_wait(struct task_struct *p)
1029 {
1030         return call_int_hook(task_wait, 0, p);
1031 }
1032 
1033 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
1034                          unsigned long arg4, unsigned long arg5)
1035 {
1036         int thisrc;
1037         int rc = -ENOSYS;
1038         struct security_hook_list *hp;
1039 
1040         list_for_each_entry(hp, &security_hook_heads.task_prctl, list) {
1041                 thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5);
1042                 if (thisrc != -ENOSYS) {
1043                         rc = thisrc;
1044                         if (thisrc != 0)
1045                                 break;
1046                 }
1047         }
1048         return rc;
1049 }
1050 
1051 void security_task_to_inode(struct task_struct *p, struct inode *inode)
1052 {
1053         call_void_hook(task_to_inode, p, inode);
1054 }
1055 
1056 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
1057 {
1058         return call_int_hook(ipc_permission, 0, ipcp, flag);
1059 }
1060 
1061 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1062 {
1063         *secid = 0;
1064         call_void_hook(ipc_getsecid, ipcp, secid);
1065 }
1066 
1067 int security_msg_msg_alloc(struct msg_msg *msg)
1068 {
1069         return call_int_hook(msg_msg_alloc_security, 0, msg);
1070 }
1071 
1072 void security_msg_msg_free(struct msg_msg *msg)
1073 {
1074         call_void_hook(msg_msg_free_security, msg);
1075 }
1076 
1077 int security_msg_queue_alloc(struct msg_queue *msq)
1078 {
1079         return call_int_hook(msg_queue_alloc_security, 0, msq);
1080 }
1081 
1082 void security_msg_queue_free(struct msg_queue *msq)
1083 {
1084         call_void_hook(msg_queue_free_security, msq);
1085 }
1086 
1087 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
1088 {
1089         return call_int_hook(msg_queue_associate, 0, msq, msqflg);
1090 }
1091 
1092 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
1093 {
1094         return call_int_hook(msg_queue_msgctl, 0, msq, cmd);
1095 }
1096 
1097 int security_msg_queue_msgsnd(struct msg_queue *msq,
1098                                struct msg_msg *msg, int msqflg)
1099 {
1100         return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg);
1101 }
1102 
1103 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
1104                                struct task_struct *target, long type, int mode)
1105 {
1106         return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
1107 }
1108 
1109 int security_shm_alloc(struct shmid_kernel *shp)
1110 {
1111         return call_int_hook(shm_alloc_security, 0, shp);
1112 }
1113 
1114 void security_shm_free(struct shmid_kernel *shp)
1115 {
1116         call_void_hook(shm_free_security, shp);
1117 }
1118 
1119 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
1120 {
1121         return call_int_hook(shm_associate, 0, shp, shmflg);
1122 }
1123 
1124 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
1125 {
1126         return call_int_hook(shm_shmctl, 0, shp, cmd);
1127 }
1128 
1129 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
1130 {
1131         return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
1132 }
1133 
1134 int security_sem_alloc(struct sem_array *sma)
1135 {
1136         return call_int_hook(sem_alloc_security, 0, sma);
1137 }
1138 
1139 void security_sem_free(struct sem_array *sma)
1140 {
1141         call_void_hook(sem_free_security, sma);
1142 }
1143 
1144 int security_sem_associate(struct sem_array *sma, int semflg)
1145 {
1146         return call_int_hook(sem_associate, 0, sma, semflg);
1147 }
1148 
1149 int security_sem_semctl(struct sem_array *sma, int cmd)
1150 {
1151         return call_int_hook(sem_semctl, 0, sma, cmd);
1152 }
1153 
1154 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
1155                         unsigned nsops, int alter)
1156 {
1157         return call_int_hook(sem_semop, 0, sma, sops, nsops, alter);
1158 }
1159 
1160 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
1161 {
1162         if (unlikely(inode && IS_PRIVATE(inode)))
1163                 return;
1164         call_void_hook(d_instantiate, dentry, inode);
1165 }
1166 EXPORT_SYMBOL(security_d_instantiate);
1167 
1168 int security_getprocattr(struct task_struct *p, char *name, char **value)
1169 {
1170         return call_int_hook(getprocattr, -EINVAL, p, name, value);
1171 }
1172 
1173 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
1174 {
1175         return call_int_hook(setprocattr, -EINVAL, p, name, value, size);
1176 }
1177 
1178 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1179 {
1180         return call_int_hook(netlink_send, 0, sk, skb);
1181 }
1182 
1183 int security_ismaclabel(const char *name)
1184 {
1185         return call_int_hook(ismaclabel, 0, name);
1186 }
1187 EXPORT_SYMBOL(security_ismaclabel);
1188 
1189 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1190 {
1191         return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
1192                                 seclen);
1193 }
1194 EXPORT_SYMBOL(security_secid_to_secctx);
1195 
1196 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1197 {
1198         *secid = 0;
1199         return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
1200 }
1201 EXPORT_SYMBOL(security_secctx_to_secid);
1202 
1203 void security_release_secctx(char *secdata, u32 seclen)
1204 {
1205         call_void_hook(release_secctx, secdata, seclen);
1206 }
1207 EXPORT_SYMBOL(security_release_secctx);
1208 
1209 void security_inode_invalidate_secctx(struct inode *inode)
1210 {
1211         call_void_hook(inode_invalidate_secctx, inode);
1212 }
1213 EXPORT_SYMBOL(security_inode_invalidate_secctx);
1214 
1215 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1216 {
1217         return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
1218 }
1219 EXPORT_SYMBOL(security_inode_notifysecctx);
1220 
1221 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1222 {
1223         return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
1224 }
1225 EXPORT_SYMBOL(security_inode_setsecctx);
1226 
1227 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1228 {
1229         return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
1230 }
1231 EXPORT_SYMBOL(security_inode_getsecctx);
1232 
1233 #ifdef CONFIG_SECURITY_NETWORK
1234 
1235 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
1236 {
1237         return call_int_hook(unix_stream_connect, 0, sock, other, newsk);
1238 }
1239 EXPORT_SYMBOL(security_unix_stream_connect);
1240 
1241 int security_unix_may_send(struct socket *sock,  struct socket *other)
1242 {
1243         return call_int_hook(unix_may_send, 0, sock, other);
1244 }
1245 EXPORT_SYMBOL(security_unix_may_send);
1246 
1247 int security_socket_create(int family, int type, int protocol, int kern)
1248 {
1249         return call_int_hook(socket_create, 0, family, type, protocol, kern);
1250 }
1251 
1252 int security_socket_post_create(struct socket *sock, int family,
1253                                 int type, int protocol, int kern)
1254 {
1255         return call_int_hook(socket_post_create, 0, sock, family, type,
1256                                                 protocol, kern);
1257 }
1258 
1259 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1260 {
1261         return call_int_hook(socket_bind, 0, sock, address, addrlen);
1262 }
1263 
1264 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1265 {
1266         return call_int_hook(socket_connect, 0, sock, address, addrlen);
1267 }
1268 
1269 int security_socket_listen(struct socket *sock, int backlog)
1270 {
1271         return call_int_hook(socket_listen, 0, sock, backlog);
1272 }
1273 
1274 int security_socket_accept(struct socket *sock, struct socket *newsock)
1275 {
1276         return call_int_hook(socket_accept, 0, sock, newsock);
1277 }
1278 
1279 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1280 {
1281         return call_int_hook(socket_sendmsg, 0, sock, msg, size);
1282 }
1283 
1284 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1285                             int size, int flags)
1286 {
1287         return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
1288 }
1289 
1290 int security_socket_getsockname(struct socket *sock)
1291 {
1292         return call_int_hook(socket_getsockname, 0, sock);
1293 }
1294 
1295 int security_socket_getpeername(struct socket *sock)
1296 {
1297         return call_int_hook(socket_getpeername, 0, sock);
1298 }
1299 
1300 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1301 {
1302         return call_int_hook(socket_getsockopt, 0, sock, level, optname);
1303 }
1304 
1305 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1306 {
1307         return call_int_hook(socket_setsockopt, 0, sock, level, optname);
1308 }
1309 
1310 int security_socket_shutdown(struct socket *sock, int how)
1311 {
1312         return call_int_hook(socket_shutdown, 0, sock, how);
1313 }
1314 
1315 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1316 {
1317         return call_int_hook(socket_sock_rcv_skb, 0, sk, skb);
1318 }
1319 EXPORT_SYMBOL(security_sock_rcv_skb);
1320 
1321 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1322                                       int __user *optlen, unsigned len)
1323 {
1324         return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock,
1325                                 optval, optlen, len);
1326 }
1327 
1328 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1329 {
1330         return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock,
1331                              skb, secid);
1332 }
1333 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1334 
1335 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1336 {
1337         return call_int_hook(sk_alloc_security, 0, sk, family, priority);
1338 }
1339 
1340 void security_sk_free(struct sock *sk)
1341 {
1342         call_void_hook(sk_free_security, sk);
1343 }
1344 
1345 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1346 {
1347         call_void_hook(sk_clone_security, sk, newsk);
1348 }
1349 EXPORT_SYMBOL(security_sk_clone);
1350 
1351 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1352 {
1353         call_void_hook(sk_getsecid, sk, &fl->flowi_secid);
1354 }
1355 EXPORT_SYMBOL(security_sk_classify_flow);
1356 
1357 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1358 {
1359         call_void_hook(req_classify_flow, req, fl);
1360 }
1361 EXPORT_SYMBOL(security_req_classify_flow);
1362 
1363 void security_sock_graft(struct sock *sk, struct socket *parent)
1364 {
1365         call_void_hook(sock_graft, sk, parent);
1366 }
1367 EXPORT_SYMBOL(security_sock_graft);
1368 
1369 int security_inet_conn_request(struct sock *sk,
1370                         struct sk_buff *skb, struct request_sock *req)
1371 {
1372         return call_int_hook(inet_conn_request, 0, sk, skb, req);
1373 }
1374 EXPORT_SYMBOL(security_inet_conn_request);
1375 
1376 void security_inet_csk_clone(struct sock *newsk,
1377                         const struct request_sock *req)
1378 {
1379         call_void_hook(inet_csk_clone, newsk, req);
1380 }
1381 
1382 void security_inet_conn_established(struct sock *sk,
1383                         struct sk_buff *skb)
1384 {
1385         call_void_hook(inet_conn_established, sk, skb);
1386 }
1387 
1388 int security_secmark_relabel_packet(u32 secid)
1389 {
1390         return call_int_hook(secmark_relabel_packet, 0, secid);
1391 }
1392 EXPORT_SYMBOL(security_secmark_relabel_packet);
1393 
1394 void security_secmark_refcount_inc(void)
1395 {
1396         call_void_hook(secmark_refcount_inc);
1397 }
1398 EXPORT_SYMBOL(security_secmark_refcount_inc);
1399 
1400 void security_secmark_refcount_dec(void)
1401 {
1402         call_void_hook(secmark_refcount_dec);
1403 }
1404 EXPORT_SYMBOL(security_secmark_refcount_dec);
1405 
1406 int security_tun_dev_alloc_security(void **security)
1407 {
1408         return call_int_hook(tun_dev_alloc_security, 0, security);
1409 }
1410 EXPORT_SYMBOL(security_tun_dev_alloc_security);
1411 
1412 void security_tun_dev_free_security(void *security)
1413 {
1414         call_void_hook(tun_dev_free_security, security);
1415 }
1416 EXPORT_SYMBOL(security_tun_dev_free_security);
1417 
1418 int security_tun_dev_create(void)
1419 {
1420         return call_int_hook(tun_dev_create, 0);
1421 }
1422 EXPORT_SYMBOL(security_tun_dev_create);
1423 
1424 int security_tun_dev_attach_queue(void *security)
1425 {
1426         return call_int_hook(tun_dev_attach_queue, 0, security);
1427 }
1428 EXPORT_SYMBOL(security_tun_dev_attach_queue);
1429 
1430 int security_tun_dev_attach(struct sock *sk, void *security)
1431 {
1432         return call_int_hook(tun_dev_attach, 0, sk, security);
1433 }
1434 EXPORT_SYMBOL(security_tun_dev_attach);
1435 
1436 int security_tun_dev_open(void *security)
1437 {
1438         return call_int_hook(tun_dev_open, 0, security);
1439 }
1440 EXPORT_SYMBOL(security_tun_dev_open);
1441 
1442 #endif  /* CONFIG_SECURITY_NETWORK */
1443 
1444 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1445 
1446 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1447                                struct xfrm_user_sec_ctx *sec_ctx,
1448                                gfp_t gfp)
1449 {
1450         return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
1451 }
1452 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1453 
1454 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1455                               struct xfrm_sec_ctx **new_ctxp)
1456 {
1457         return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
1458 }
1459 
1460 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1461 {
1462         call_void_hook(xfrm_policy_free_security, ctx);
1463 }
1464 EXPORT_SYMBOL(security_xfrm_policy_free);
1465 
1466 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1467 {
1468         return call_int_hook(xfrm_policy_delete_security, 0, ctx);
1469 }
1470 
1471 int security_xfrm_state_alloc(struct xfrm_state *x,
1472                               struct xfrm_user_sec_ctx *sec_ctx)
1473 {
1474         return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
1475 }
1476 EXPORT_SYMBOL(security_xfrm_state_alloc);
1477 
1478 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1479                                       struct xfrm_sec_ctx *polsec, u32 secid)
1480 {
1481         return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
1482 }
1483 
1484 int security_xfrm_state_delete(struct xfrm_state *x)
1485 {
1486         return call_int_hook(xfrm_state_delete_security, 0, x);
1487 }
1488 EXPORT_SYMBOL(security_xfrm_state_delete);
1489 
1490 void security_xfrm_state_free(struct xfrm_state *x)
1491 {
1492         call_void_hook(xfrm_state_free_security, x);
1493 }
1494 
1495 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1496 {
1497         return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
1498 }
1499 
1500 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1501                                        struct xfrm_policy *xp,
1502                                        const struct flowi *fl)
1503 {
1504         struct security_hook_list *hp;
1505         int rc = 1;
1506 
1507         /*
1508          * Since this function is expected to return 0 or 1, the judgment
1509          * becomes difficult if multiple LSMs supply this call. Fortunately,
1510          * we can use the first LSM's judgment because currently only SELinux
1511          * supplies this call.
1512          *
1513          * For speed optimization, we explicitly break the loop rather than
1514          * using the macro
1515          */
1516         list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match,
1517                                 list) {
1518                 rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl);
1519                 break;
1520         }
1521         return rc;
1522 }
1523 
1524 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1525 {
1526         return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
1527 }
1528 
1529 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1530 {
1531         int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid,
1532                                 0);
1533 
1534         BUG_ON(rc);
1535 }
1536 EXPORT_SYMBOL(security_skb_classify_flow);
1537 
1538 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1539 
1540 #ifdef CONFIG_KEYS
1541 
1542 int security_key_alloc(struct key *key, const struct cred *cred,
1543                        unsigned long flags)
1544 {
1545         return call_int_hook(key_alloc, 0, key, cred, flags);
1546 }
1547 
1548 void security_key_free(struct key *key)
1549 {
1550         call_void_hook(key_free, key);
1551 }
1552 
1553 int security_key_permission(key_ref_t key_ref,
1554                             const struct cred *cred, unsigned perm)
1555 {
1556         return call_int_hook(key_permission, 0, key_ref, cred, perm);
1557 }
1558 
1559 int security_key_getsecurity(struct key *key, char **_buffer)
1560 {
1561         *_buffer = NULL;
1562         return call_int_hook(key_getsecurity, 0, key, _buffer);
1563 }
1564 
1565 #endif  /* CONFIG_KEYS */
1566 
1567 #ifdef CONFIG_AUDIT
1568 
1569 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1570 {
1571         return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
1572 }
1573 
1574 int security_audit_rule_known(struct audit_krule *krule)
1575 {
1576         return call_int_hook(audit_rule_known, 0, krule);
1577 }
1578 
1579 void security_audit_rule_free(void *lsmrule)
1580 {
1581         call_void_hook(audit_rule_free, lsmrule);
1582 }
1583 
1584 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1585                               struct audit_context *actx)
1586 {
1587         return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule,
1588                                 actx);
1589 }
1590 #endif /* CONFIG_AUDIT */
1591 
1592 struct security_hook_heads security_hook_heads = {
1593         .binder_set_context_mgr =
1594                 LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr),
1595         .binder_transaction =
1596                 LIST_HEAD_INIT(security_hook_heads.binder_transaction),
1597         .binder_transfer_binder =
1598                 LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder),
1599         .binder_transfer_file =
1600                 LIST_HEAD_INIT(security_hook_heads.binder_transfer_file),
1601 
1602         .ptrace_access_check =
1603                 LIST_HEAD_INIT(security_hook_heads.ptrace_access_check),
1604         .ptrace_traceme =
1605                 LIST_HEAD_INIT(security_hook_heads.ptrace_traceme),
1606         .capget =       LIST_HEAD_INIT(security_hook_heads.capget),
1607         .capset =       LIST_HEAD_INIT(security_hook_heads.capset),
1608         .capable =      LIST_HEAD_INIT(security_hook_heads.capable),
1609         .quotactl =     LIST_HEAD_INIT(security_hook_heads.quotactl),
1610         .quota_on =     LIST_HEAD_INIT(security_hook_heads.quota_on),
1611         .syslog =       LIST_HEAD_INIT(security_hook_heads.syslog),
1612         .settime =      LIST_HEAD_INIT(security_hook_heads.settime),
1613         .vm_enough_memory =
1614                 LIST_HEAD_INIT(security_hook_heads.vm_enough_memory),
1615         .bprm_set_creds =
1616                 LIST_HEAD_INIT(security_hook_heads.bprm_set_creds),
1617         .bprm_check_security =
1618                 LIST_HEAD_INIT(security_hook_heads.bprm_check_security),
1619         .bprm_secureexec =
1620                 LIST_HEAD_INIT(security_hook_heads.bprm_secureexec),
1621         .bprm_committing_creds =
1622                 LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds),
1623         .bprm_committed_creds =
1624                 LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds),
1625         .sb_alloc_security =
1626                 LIST_HEAD_INIT(security_hook_heads.sb_alloc_security),
1627         .sb_free_security =
1628                 LIST_HEAD_INIT(security_hook_heads.sb_free_security),
1629         .sb_copy_data = LIST_HEAD_INIT(security_hook_heads.sb_copy_data),
1630         .sb_remount =   LIST_HEAD_INIT(security_hook_heads.sb_remount),
1631         .sb_kern_mount =
1632                 LIST_HEAD_INIT(security_hook_heads.sb_kern_mount),
1633         .sb_show_options =
1634                 LIST_HEAD_INIT(security_hook_heads.sb_show_options),
1635         .sb_statfs =    LIST_HEAD_INIT(security_hook_heads.sb_statfs),
1636         .sb_mount =     LIST_HEAD_INIT(security_hook_heads.sb_mount),
1637         .sb_umount =    LIST_HEAD_INIT(security_hook_heads.sb_umount),
1638         .sb_pivotroot = LIST_HEAD_INIT(security_hook_heads.sb_pivotroot),
1639         .sb_set_mnt_opts =
1640                 LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts),
1641         .sb_clone_mnt_opts =
1642                 LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts),
1643         .sb_parse_opts_str =
1644                 LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str),
1645         .dentry_init_security =
1646                 LIST_HEAD_INIT(security_hook_heads.dentry_init_security),
1647         .dentry_create_files_as =
1648                 LIST_HEAD_INIT(security_hook_heads.dentry_create_files_as),
1649 #ifdef CONFIG_SECURITY_PATH
1650         .path_unlink =  LIST_HEAD_INIT(security_hook_heads.path_unlink),
1651         .path_mkdir =   LIST_HEAD_INIT(security_hook_heads.path_mkdir),
1652         .path_rmdir =   LIST_HEAD_INIT(security_hook_heads.path_rmdir),
1653         .path_mknod =   LIST_HEAD_INIT(security_hook_heads.path_mknod),
1654         .path_truncate =
1655                 LIST_HEAD_INIT(security_hook_heads.path_truncate),
1656         .path_symlink = LIST_HEAD_INIT(security_hook_heads.path_symlink),
1657         .path_link =    LIST_HEAD_INIT(security_hook_heads.path_link),
1658         .path_rename =  LIST_HEAD_INIT(security_hook_heads.path_rename),
1659         .path_chmod =   LIST_HEAD_INIT(security_hook_heads.path_chmod),
1660         .path_chown =   LIST_HEAD_INIT(security_hook_heads.path_chown),
1661         .path_chroot =  LIST_HEAD_INIT(security_hook_heads.path_chroot),
1662 #endif
1663         .inode_alloc_security =
1664                 LIST_HEAD_INIT(security_hook_heads.inode_alloc_security),
1665         .inode_free_security =
1666                 LIST_HEAD_INIT(security_hook_heads.inode_free_security),
1667         .inode_init_security =
1668                 LIST_HEAD_INIT(security_hook_heads.inode_init_security),
1669         .inode_create = LIST_HEAD_INIT(security_hook_heads.inode_create),
1670         .inode_link =   LIST_HEAD_INIT(security_hook_heads.inode_link),
1671         .inode_unlink = LIST_HEAD_INIT(security_hook_heads.inode_unlink),
1672         .inode_symlink =
1673                 LIST_HEAD_INIT(security_hook_heads.inode_symlink),
1674         .inode_mkdir =  LIST_HEAD_INIT(security_hook_heads.inode_mkdir),
1675         .inode_rmdir =  LIST_HEAD_INIT(security_hook_heads.inode_rmdir),
1676         .inode_mknod =  LIST_HEAD_INIT(security_hook_heads.inode_mknod),
1677         .inode_rename = LIST_HEAD_INIT(security_hook_heads.inode_rename),
1678         .inode_readlink =
1679                 LIST_HEAD_INIT(security_hook_heads.inode_readlink),
1680         .inode_follow_link =
1681                 LIST_HEAD_INIT(security_hook_heads.inode_follow_link),
1682         .inode_permission =
1683                 LIST_HEAD_INIT(security_hook_heads.inode_permission),
1684         .inode_setattr =
1685                 LIST_HEAD_INIT(security_hook_heads.inode_setattr),
1686         .inode_getattr =
1687                 LIST_HEAD_INIT(security_hook_heads.inode_getattr),
1688         .inode_setxattr =
1689                 LIST_HEAD_INIT(security_hook_heads.inode_setxattr),
1690         .inode_post_setxattr =
1691                 LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr),
1692         .inode_getxattr =
1693                 LIST_HEAD_INIT(security_hook_heads.inode_getxattr),
1694         .inode_listxattr =
1695                 LIST_HEAD_INIT(security_hook_heads.inode_listxattr),
1696         .inode_removexattr =
1697                 LIST_HEAD_INIT(security_hook_heads.inode_removexattr),
1698         .inode_need_killpriv =
1699                 LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv),
1700         .inode_killpriv =
1701                 LIST_HEAD_INIT(security_hook_heads.inode_killpriv),
1702         .inode_getsecurity =
1703                 LIST_HEAD_INIT(security_hook_heads.inode_getsecurity),
1704         .inode_setsecurity =
1705                 LIST_HEAD_INIT(security_hook_heads.inode_setsecurity),
1706         .inode_listsecurity =
1707                 LIST_HEAD_INIT(security_hook_heads.inode_listsecurity),
1708         .inode_getsecid =
1709                 LIST_HEAD_INIT(security_hook_heads.inode_getsecid),
1710         .inode_copy_up =
1711                 LIST_HEAD_INIT(security_hook_heads.inode_copy_up),
1712         .inode_copy_up_xattr =
1713                 LIST_HEAD_INIT(security_hook_heads.inode_copy_up_xattr),
1714         .file_permission =
1715                 LIST_HEAD_INIT(security_hook_heads.file_permission),
1716         .file_alloc_security =
1717                 LIST_HEAD_INIT(security_hook_heads.file_alloc_security),
1718         .file_free_security =
1719                 LIST_HEAD_INIT(security_hook_heads.file_free_security),
1720         .file_ioctl =   LIST_HEAD_INIT(security_hook_heads.file_ioctl),
1721         .mmap_addr =    LIST_HEAD_INIT(security_hook_heads.mmap_addr),
1722         .mmap_file =    LIST_HEAD_INIT(security_hook_heads.mmap_file),
1723         .file_mprotect =
1724                 LIST_HEAD_INIT(security_hook_heads.file_mprotect),
1725         .file_lock =    LIST_HEAD_INIT(security_hook_heads.file_lock),
1726         .file_fcntl =   LIST_HEAD_INIT(security_hook_heads.file_fcntl),
1727         .file_set_fowner =
1728                 LIST_HEAD_INIT(security_hook_heads.file_set_fowner),
1729         .file_send_sigiotask =
1730                 LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask),
1731         .file_receive = LIST_HEAD_INIT(security_hook_heads.file_receive),
1732         .file_open =    LIST_HEAD_INIT(security_hook_heads.file_open),
1733         .task_create =  LIST_HEAD_INIT(security_hook_heads.task_create),
1734         .task_free =    LIST_HEAD_INIT(security_hook_heads.task_free),
1735         .cred_alloc_blank =
1736                 LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank),
1737         .cred_free =    LIST_HEAD_INIT(security_hook_heads.cred_free),
1738         .cred_prepare = LIST_HEAD_INIT(security_hook_heads.cred_prepare),
1739         .cred_transfer =
1740                 LIST_HEAD_INIT(security_hook_heads.cred_transfer),
1741         .kernel_act_as =
1742                 LIST_HEAD_INIT(security_hook_heads.kernel_act_as),
1743         .kernel_create_files_as =
1744                 LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as),
1745         .kernel_module_request =
1746                 LIST_HEAD_INIT(security_hook_heads.kernel_module_request),
1747         .kernel_read_file =
1748                 LIST_HEAD_INIT(security_hook_heads.kernel_read_file),
1749         .kernel_post_read_file =
1750                 LIST_HEAD_INIT(security_hook_heads.kernel_post_read_file),
1751         .task_fix_setuid =
1752                 LIST_HEAD_INIT(security_hook_heads.task_fix_setuid),
1753         .task_setpgid = LIST_HEAD_INIT(security_hook_heads.task_setpgid),
1754         .task_getpgid = LIST_HEAD_INIT(security_hook_heads.task_getpgid),
1755         .task_getsid =  LIST_HEAD_INIT(security_hook_heads.task_getsid),
1756         .task_getsecid =
1757                 LIST_HEAD_INIT(security_hook_heads.task_getsecid),
1758         .task_setnice = LIST_HEAD_INIT(security_hook_heads.task_setnice),
1759         .task_setioprio =
1760                 LIST_HEAD_INIT(security_hook_heads.task_setioprio),
1761         .task_getioprio =
1762                 LIST_HEAD_INIT(security_hook_heads.task_getioprio),
1763         .task_setrlimit =
1764                 LIST_HEAD_INIT(security_hook_heads.task_setrlimit),
1765         .task_setscheduler =
1766                 LIST_HEAD_INIT(security_hook_heads.task_setscheduler),
1767         .task_getscheduler =
1768                 LIST_HEAD_INIT(security_hook_heads.task_getscheduler),
1769         .task_movememory =
1770                 LIST_HEAD_INIT(security_hook_heads.task_movememory),
1771         .task_kill =    LIST_HEAD_INIT(security_hook_heads.task_kill),
1772         .task_wait =    LIST_HEAD_INIT(security_hook_heads.task_wait),
1773         .task_prctl =   LIST_HEAD_INIT(security_hook_heads.task_prctl),
1774         .task_to_inode =
1775                 LIST_HEAD_INIT(security_hook_heads.task_to_inode),
1776         .ipc_permission =
1777                 LIST_HEAD_INIT(security_hook_heads.ipc_permission),
1778         .ipc_getsecid = LIST_HEAD_INIT(security_hook_heads.ipc_getsecid),
1779         .msg_msg_alloc_security =
1780                 LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security),
1781         .msg_msg_free_security =
1782                 LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security),
1783         .msg_queue_alloc_security =
1784                 LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security),
1785         .msg_queue_free_security =
1786                 LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security),
1787         .msg_queue_associate =
1788                 LIST_HEAD_INIT(security_hook_heads.msg_queue_associate),
1789         .msg_queue_msgctl =
1790                 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl),
1791         .msg_queue_msgsnd =
1792                 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd),
1793         .msg_queue_msgrcv =
1794                 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv),
1795         .shm_alloc_security =
1796                 LIST_HEAD_INIT(security_hook_heads.shm_alloc_security),
1797         .shm_free_security =
1798                 LIST_HEAD_INIT(security_hook_heads.shm_free_security),
1799         .shm_associate =
1800                 LIST_HEAD_INIT(security_hook_heads.shm_associate),
1801         .shm_shmctl =   LIST_HEAD_INIT(security_hook_heads.shm_shmctl),
1802         .shm_shmat =    LIST_HEAD_INIT(security_hook_heads.shm_shmat),
1803         .sem_alloc_security =
1804                 LIST_HEAD_INIT(security_hook_heads.sem_alloc_security),
1805         .sem_free_security =
1806                 LIST_HEAD_INIT(security_hook_heads.sem_free_security),
1807         .sem_associate =
1808                 LIST_HEAD_INIT(security_hook_heads.sem_associate),
1809         .sem_semctl =   LIST_HEAD_INIT(security_hook_heads.sem_semctl),
1810         .sem_semop =    LIST_HEAD_INIT(security_hook_heads.sem_semop),
1811         .netlink_send = LIST_HEAD_INIT(security_hook_heads.netlink_send),
1812         .d_instantiate =
1813                 LIST_HEAD_INIT(security_hook_heads.d_instantiate),
1814         .getprocattr =  LIST_HEAD_INIT(security_hook_heads.getprocattr),
1815         .setprocattr =  LIST_HEAD_INIT(security_hook_heads.setprocattr),
1816         .ismaclabel =   LIST_HEAD_INIT(security_hook_heads.ismaclabel),
1817         .secid_to_secctx =
1818                 LIST_HEAD_INIT(security_hook_heads.secid_to_secctx),
1819         .secctx_to_secid =
1820                 LIST_HEAD_INIT(security_hook_heads.secctx_to_secid),
1821         .release_secctx =
1822                 LIST_HEAD_INIT(security_hook_heads.release_secctx),
1823         .inode_invalidate_secctx =
1824                 LIST_HEAD_INIT(security_hook_heads.inode_invalidate_secctx),
1825         .inode_notifysecctx =
1826                 LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx),
1827         .inode_setsecctx =
1828                 LIST_HEAD_INIT(security_hook_heads.inode_setsecctx),
1829         .inode_getsecctx =
1830                 LIST_HEAD_INIT(security_hook_heads.inode_getsecctx),
1831 #ifdef CONFIG_SECURITY_NETWORK
1832         .unix_stream_connect =
1833                 LIST_HEAD_INIT(security_hook_heads.unix_stream_connect),
1834         .unix_may_send =
1835                 LIST_HEAD_INIT(security_hook_heads.unix_may_send),
1836         .socket_create =
1837                 LIST_HEAD_INIT(security_hook_heads.socket_create),
1838         .socket_post_create =
1839                 LIST_HEAD_INIT(security_hook_heads.socket_post_create),
1840         .socket_bind =  LIST_HEAD_INIT(security_hook_heads.socket_bind),
1841         .socket_connect =
1842                 LIST_HEAD_INIT(security_hook_heads.socket_connect),
1843         .socket_listen =
1844                 LIST_HEAD_INIT(security_hook_heads.socket_listen),
1845         .socket_accept =
1846                 LIST_HEAD_INIT(security_hook_heads.socket_accept),
1847         .socket_sendmsg =
1848                 LIST_HEAD_INIT(security_hook_heads.socket_sendmsg),
1849         .socket_recvmsg =
1850                 LIST_HEAD_INIT(security_hook_heads.socket_recvmsg),
1851         .socket_getsockname =
1852                 LIST_HEAD_INIT(security_hook_heads.socket_getsockname),
1853         .socket_getpeername =
1854                 LIST_HEAD_INIT(security_hook_heads.socket_getpeername),
1855         .socket_getsockopt =
1856                 LIST_HEAD_INIT(security_hook_heads.socket_getsockopt),
1857         .socket_setsockopt =
1858                 LIST_HEAD_INIT(security_hook_heads.socket_setsockopt),
1859         .socket_shutdown =
1860                 LIST_HEAD_INIT(security_hook_heads.socket_shutdown),
1861         .socket_sock_rcv_skb =
1862                 LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb),
1863         .socket_getpeersec_stream =
1864                 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream),
1865         .socket_getpeersec_dgram =
1866                 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram),
1867         .sk_alloc_security =
1868                 LIST_HEAD_INIT(security_hook_heads.sk_alloc_security),
1869         .sk_free_security =
1870                 LIST_HEAD_INIT(security_hook_heads.sk_free_security),
1871         .sk_clone_security =
1872                 LIST_HEAD_INIT(security_hook_heads.sk_clone_security),
1873         .sk_getsecid =  LIST_HEAD_INIT(security_hook_heads.sk_getsecid),
1874         .sock_graft =   LIST_HEAD_INIT(security_hook_heads.sock_graft),
1875         .inet_conn_request =
1876                 LIST_HEAD_INIT(security_hook_heads.inet_conn_request),
1877         .inet_csk_clone =
1878                 LIST_HEAD_INIT(security_hook_heads.inet_csk_clone),
1879         .inet_conn_established =
1880                 LIST_HEAD_INIT(security_hook_heads.inet_conn_established),
1881         .secmark_relabel_packet =
1882                 LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet),
1883         .secmark_refcount_inc =
1884                 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc),
1885         .secmark_refcount_dec =
1886                 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec),
1887         .req_classify_flow =
1888                 LIST_HEAD_INIT(security_hook_heads.req_classify_flow),
1889         .tun_dev_alloc_security =
1890                 LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security),
1891         .tun_dev_free_security =
1892                 LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security),
1893         .tun_dev_create =
1894                 LIST_HEAD_INIT(security_hook_heads.tun_dev_create),
1895         .tun_dev_attach_queue =
1896                 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue),
1897         .tun_dev_attach =
1898                 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach),
1899         .tun_dev_open = LIST_HEAD_INIT(security_hook_heads.tun_dev_open),
1900 #endif  /* CONFIG_SECURITY_NETWORK */
1901 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1902         .xfrm_policy_alloc_security =
1903                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security),
1904         .xfrm_policy_clone_security =
1905                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security),
1906         .xfrm_policy_free_security =
1907                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security),
1908         .xfrm_policy_delete_security =
1909                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security),
1910         .xfrm_state_alloc =
1911                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc),
1912         .xfrm_state_alloc_acquire =
1913                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire),
1914         .xfrm_state_free_security =
1915                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security),
1916         .xfrm_state_delete_security =
1917                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security),
1918         .xfrm_policy_lookup =
1919                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup),
1920         .xfrm_state_pol_flow_match =
1921                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match),
1922         .xfrm_decode_session =
1923                 LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session),
1924 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1925 #ifdef CONFIG_KEYS
1926         .key_alloc =    LIST_HEAD_INIT(security_hook_heads.key_alloc),
1927         .key_free =     LIST_HEAD_INIT(security_hook_heads.key_free),
1928         .key_permission =
1929                 LIST_HEAD_INIT(security_hook_heads.key_permission),
1930         .key_getsecurity =
1931                 LIST_HEAD_INIT(security_hook_heads.key_getsecurity),
1932 #endif  /* CONFIG_KEYS */
1933 #ifdef CONFIG_AUDIT
1934         .audit_rule_init =
1935                 LIST_HEAD_INIT(security_hook_heads.audit_rule_init),
1936         .audit_rule_known =
1937                 LIST_HEAD_INIT(security_hook_heads.audit_rule_known),
1938         .audit_rule_match =
1939                 LIST_HEAD_INIT(security_hook_heads.audit_rule_match),
1940         .audit_rule_free =
1941                 LIST_HEAD_INIT(security_hook_heads.audit_rule_free),
1942 #endif /* CONFIG_AUDIT */
1943 };
1944 

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