[WATCHDOG] Makefile-probe_order-patch
[linux-2.6] / security / dummy.c
1 /*
2  * Stub functions for the default security function pointers in case no
3  * security model is loaded.
4  *
5  * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
6  * Copyright (C) 2001-2002  Greg Kroah-Hartman <greg@kroah.com>
7  * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
8  *
9  *      This program is free software; you can redistribute it and/or modify
10  *      it under the terms of the GNU General Public License as published by
11  *      the Free Software Foundation; either version 2 of the License, or
12  *      (at your option) any later version.
13  */
14
15 #undef DEBUG
16
17 #include <linux/config.h>
18 #include <linux/module.h>
19 #include <linux/kernel.h>
20 #include <linux/mman.h>
21 #include <linux/pagemap.h>
22 #include <linux/swap.h>
23 #include <linux/security.h>
24 #include <linux/skbuff.h>
25 #include <linux/netlink.h>
26 #include <net/sock.h>
27 #include <linux/xattr.h>
28 #include <linux/hugetlb.h>
29 #include <linux/ptrace.h>
30 #include <linux/file.h>
31
32 static int dummy_ptrace (struct task_struct *parent, struct task_struct *child)
33 {
34         return 0;
35 }
36
37 static int dummy_capget (struct task_struct *target, kernel_cap_t * effective,
38                          kernel_cap_t * inheritable, kernel_cap_t * permitted)
39 {
40         *effective = *inheritable = *permitted = 0;
41         if (!issecure(SECURE_NOROOT)) {
42                 if (target->euid == 0) {
43                         *permitted |= (~0 & ~CAP_FS_MASK);
44                         *effective |= (~0 & ~CAP_TO_MASK(CAP_SETPCAP) & ~CAP_FS_MASK);
45                 }
46                 if (target->fsuid == 0) {
47                         *permitted |= CAP_FS_MASK;
48                         *effective |= CAP_FS_MASK;
49                 }
50         }
51         return 0;
52 }
53
54 static int dummy_capset_check (struct task_struct *target,
55                                kernel_cap_t * effective,
56                                kernel_cap_t * inheritable,
57                                kernel_cap_t * permitted)
58 {
59         return -EPERM;
60 }
61
62 static void dummy_capset_set (struct task_struct *target,
63                               kernel_cap_t * effective,
64                               kernel_cap_t * inheritable,
65                               kernel_cap_t * permitted)
66 {
67         return;
68 }
69
70 static int dummy_acct (struct file *file)
71 {
72         return 0;
73 }
74
75 static int dummy_capable (struct task_struct *tsk, int cap)
76 {
77         if (cap_raised (tsk->cap_effective, cap))
78                 return 0;
79         return -EPERM;
80 }
81
82 static int dummy_sysctl (ctl_table * table, int op)
83 {
84         return 0;
85 }
86
87 static int dummy_quotactl (int cmds, int type, int id, struct super_block *sb)
88 {
89         return 0;
90 }
91
92 static int dummy_quota_on (struct dentry *dentry)
93 {
94         return 0;
95 }
96
97 static int dummy_syslog (int type)
98 {
99         if ((type != 3 && type != 10) && current->euid)
100                 return -EPERM;
101         return 0;
102 }
103
104 static int dummy_settime(struct timespec *ts, struct timezone *tz)
105 {
106         if (!capable(CAP_SYS_TIME))
107                 return -EPERM;
108         return 0;
109 }
110
111 static int dummy_vm_enough_memory(long pages)
112 {
113         int cap_sys_admin = 0;
114
115         if (dummy_capable(current, CAP_SYS_ADMIN) == 0)
116                 cap_sys_admin = 1;
117         return __vm_enough_memory(pages, cap_sys_admin);
118 }
119
120 static int dummy_bprm_alloc_security (struct linux_binprm *bprm)
121 {
122         return 0;
123 }
124
125 static void dummy_bprm_free_security (struct linux_binprm *bprm)
126 {
127         return;
128 }
129
130 static void dummy_bprm_apply_creds (struct linux_binprm *bprm, int unsafe)
131 {
132         if (bprm->e_uid != current->uid || bprm->e_gid != current->gid) {
133                 current->mm->dumpable = suid_dumpable;
134
135                 if ((unsafe & ~LSM_UNSAFE_PTRACE_CAP) && !capable(CAP_SETUID)) {
136                         bprm->e_uid = current->uid;
137                         bprm->e_gid = current->gid;
138                 }
139         }
140
141         current->suid = current->euid = current->fsuid = bprm->e_uid;
142         current->sgid = current->egid = current->fsgid = bprm->e_gid;
143
144         dummy_capget(current, &current->cap_effective, &current->cap_inheritable, &current->cap_permitted);
145 }
146
147 static void dummy_bprm_post_apply_creds (struct linux_binprm *bprm)
148 {
149         return;
150 }
151
152 static int dummy_bprm_set_security (struct linux_binprm *bprm)
153 {
154         return 0;
155 }
156
157 static int dummy_bprm_check_security (struct linux_binprm *bprm)
158 {
159         return 0;
160 }
161
162 static int dummy_bprm_secureexec (struct linux_binprm *bprm)
163 {
164         /* The new userland will simply use the value provided
165            in the AT_SECURE field to decide whether secure mode
166            is required.  Hence, this logic is required to preserve
167            the legacy decision algorithm used by the old userland. */
168         return (current->euid != current->uid ||
169                 current->egid != current->gid);
170 }
171
172 static int dummy_sb_alloc_security (struct super_block *sb)
173 {
174         return 0;
175 }
176
177 static void dummy_sb_free_security (struct super_block *sb)
178 {
179         return;
180 }
181
182 static int dummy_sb_copy_data (struct file_system_type *type,
183                                void *orig, void *copy)
184 {
185         return 0;
186 }
187
188 static int dummy_sb_kern_mount (struct super_block *sb, void *data)
189 {
190         return 0;
191 }
192
193 static int dummy_sb_statfs (struct super_block *sb)
194 {
195         return 0;
196 }
197
198 static int dummy_sb_mount (char *dev_name, struct nameidata *nd, char *type,
199                            unsigned long flags, void *data)
200 {
201         return 0;
202 }
203
204 static int dummy_sb_check_sb (struct vfsmount *mnt, struct nameidata *nd)
205 {
206         return 0;
207 }
208
209 static int dummy_sb_umount (struct vfsmount *mnt, int flags)
210 {
211         return 0;
212 }
213
214 static void dummy_sb_umount_close (struct vfsmount *mnt)
215 {
216         return;
217 }
218
219 static void dummy_sb_umount_busy (struct vfsmount *mnt)
220 {
221         return;
222 }
223
224 static void dummy_sb_post_remount (struct vfsmount *mnt, unsigned long flags,
225                                    void *data)
226 {
227         return;
228 }
229
230
231 static void dummy_sb_post_mountroot (void)
232 {
233         return;
234 }
235
236 static void dummy_sb_post_addmount (struct vfsmount *mnt, struct nameidata *nd)
237 {
238         return;
239 }
240
241 static int dummy_sb_pivotroot (struct nameidata *old_nd, struct nameidata *new_nd)
242 {
243         return 0;
244 }
245
246 static void dummy_sb_post_pivotroot (struct nameidata *old_nd, struct nameidata *new_nd)
247 {
248         return;
249 }
250
251 static int dummy_inode_alloc_security (struct inode *inode)
252 {
253         return 0;
254 }
255
256 static void dummy_inode_free_security (struct inode *inode)
257 {
258         return;
259 }
260
261 static int dummy_inode_create (struct inode *inode, struct dentry *dentry,
262                                int mask)
263 {
264         return 0;
265 }
266
267 static void dummy_inode_post_create (struct inode *inode, struct dentry *dentry,
268                                      int mask)
269 {
270         return;
271 }
272
273 static int dummy_inode_link (struct dentry *old_dentry, struct inode *inode,
274                              struct dentry *new_dentry)
275 {
276         return 0;
277 }
278
279 static void dummy_inode_post_link (struct dentry *old_dentry,
280                                    struct inode *inode,
281                                    struct dentry *new_dentry)
282 {
283         return;
284 }
285
286 static int dummy_inode_unlink (struct inode *inode, struct dentry *dentry)
287 {
288         return 0;
289 }
290
291 static int dummy_inode_symlink (struct inode *inode, struct dentry *dentry,
292                                 const char *name)
293 {
294         return 0;
295 }
296
297 static void dummy_inode_post_symlink (struct inode *inode,
298                                       struct dentry *dentry, const char *name)
299 {
300         return;
301 }
302
303 static int dummy_inode_mkdir (struct inode *inode, struct dentry *dentry,
304                               int mask)
305 {
306         return 0;
307 }
308
309 static void dummy_inode_post_mkdir (struct inode *inode, struct dentry *dentry,
310                                     int mask)
311 {
312         return;
313 }
314
315 static int dummy_inode_rmdir (struct inode *inode, struct dentry *dentry)
316 {
317         return 0;
318 }
319
320 static int dummy_inode_mknod (struct inode *inode, struct dentry *dentry,
321                               int mode, dev_t dev)
322 {
323         return 0;
324 }
325
326 static void dummy_inode_post_mknod (struct inode *inode, struct dentry *dentry,
327                                     int mode, dev_t dev)
328 {
329         return;
330 }
331
332 static int dummy_inode_rename (struct inode *old_inode,
333                                struct dentry *old_dentry,
334                                struct inode *new_inode,
335                                struct dentry *new_dentry)
336 {
337         return 0;
338 }
339
340 static void dummy_inode_post_rename (struct inode *old_inode,
341                                      struct dentry *old_dentry,
342                                      struct inode *new_inode,
343                                      struct dentry *new_dentry)
344 {
345         return;
346 }
347
348 static int dummy_inode_readlink (struct dentry *dentry)
349 {
350         return 0;
351 }
352
353 static int dummy_inode_follow_link (struct dentry *dentry,
354                                     struct nameidata *nameidata)
355 {
356         return 0;
357 }
358
359 static int dummy_inode_permission (struct inode *inode, int mask, struct nameidata *nd)
360 {
361         return 0;
362 }
363
364 static int dummy_inode_setattr (struct dentry *dentry, struct iattr *iattr)
365 {
366         return 0;
367 }
368
369 static int dummy_inode_getattr (struct vfsmount *mnt, struct dentry *dentry)
370 {
371         return 0;
372 }
373
374 static void dummy_inode_delete (struct inode *ino)
375 {
376         return;
377 }
378
379 static int dummy_inode_setxattr (struct dentry *dentry, char *name, void *value,
380                                 size_t size, int flags)
381 {
382         if (!strncmp(name, XATTR_SECURITY_PREFIX,
383                      sizeof(XATTR_SECURITY_PREFIX) - 1) &&
384             !capable(CAP_SYS_ADMIN))
385                 return -EPERM;
386         return 0;
387 }
388
389 static void dummy_inode_post_setxattr (struct dentry *dentry, char *name, void *value,
390                                        size_t size, int flags)
391 {
392 }
393
394 static int dummy_inode_getxattr (struct dentry *dentry, char *name)
395 {
396         return 0;
397 }
398
399 static int dummy_inode_listxattr (struct dentry *dentry)
400 {
401         return 0;
402 }
403
404 static int dummy_inode_removexattr (struct dentry *dentry, char *name)
405 {
406         if (!strncmp(name, XATTR_SECURITY_PREFIX,
407                      sizeof(XATTR_SECURITY_PREFIX) - 1) &&
408             !capable(CAP_SYS_ADMIN))
409                 return -EPERM;
410         return 0;
411 }
412
413 static int dummy_inode_getsecurity(struct inode *inode, const char *name, void *buffer, size_t size)
414 {
415         return -EOPNOTSUPP;
416 }
417
418 static int dummy_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
419 {
420         return -EOPNOTSUPP;
421 }
422
423 static int dummy_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
424 {
425         return 0;
426 }
427
428 static int dummy_file_permission (struct file *file, int mask)
429 {
430         return 0;
431 }
432
433 static int dummy_file_alloc_security (struct file *file)
434 {
435         return 0;
436 }
437
438 static void dummy_file_free_security (struct file *file)
439 {
440         return;
441 }
442
443 static int dummy_file_ioctl (struct file *file, unsigned int command,
444                              unsigned long arg)
445 {
446         return 0;
447 }
448
449 static int dummy_file_mmap (struct file *file, unsigned long reqprot,
450                             unsigned long prot,
451                             unsigned long flags)
452 {
453         return 0;
454 }
455
456 static int dummy_file_mprotect (struct vm_area_struct *vma,
457                                 unsigned long reqprot,
458                                 unsigned long prot)
459 {
460         return 0;
461 }
462
463 static int dummy_file_lock (struct file *file, unsigned int cmd)
464 {
465         return 0;
466 }
467
468 static int dummy_file_fcntl (struct file *file, unsigned int cmd,
469                              unsigned long arg)
470 {
471         return 0;
472 }
473
474 static int dummy_file_set_fowner (struct file *file)
475 {
476         return 0;
477 }
478
479 static int dummy_file_send_sigiotask (struct task_struct *tsk,
480                                       struct fown_struct *fown, int sig)
481 {
482         return 0;
483 }
484
485 static int dummy_file_receive (struct file *file)
486 {
487         return 0;
488 }
489
490 static int dummy_task_create (unsigned long clone_flags)
491 {
492         return 0;
493 }
494
495 static int dummy_task_alloc_security (struct task_struct *p)
496 {
497         return 0;
498 }
499
500 static void dummy_task_free_security (struct task_struct *p)
501 {
502         return;
503 }
504
505 static int dummy_task_setuid (uid_t id0, uid_t id1, uid_t id2, int flags)
506 {
507         return 0;
508 }
509
510 static int dummy_task_post_setuid (uid_t id0, uid_t id1, uid_t id2, int flags)
511 {
512         dummy_capget(current, &current->cap_effective, &current->cap_inheritable, &current->cap_permitted);
513         return 0;
514 }
515
516 static int dummy_task_setgid (gid_t id0, gid_t id1, gid_t id2, int flags)
517 {
518         return 0;
519 }
520
521 static int dummy_task_setpgid (struct task_struct *p, pid_t pgid)
522 {
523         return 0;
524 }
525
526 static int dummy_task_getpgid (struct task_struct *p)
527 {
528         return 0;
529 }
530
531 static int dummy_task_getsid (struct task_struct *p)
532 {
533         return 0;
534 }
535
536 static int dummy_task_setgroups (struct group_info *group_info)
537 {
538         return 0;
539 }
540
541 static int dummy_task_setnice (struct task_struct *p, int nice)
542 {
543         return 0;
544 }
545
546 static int dummy_task_setrlimit (unsigned int resource, struct rlimit *new_rlim)
547 {
548         return 0;
549 }
550
551 static int dummy_task_setscheduler (struct task_struct *p, int policy,
552                                     struct sched_param *lp)
553 {
554         return 0;
555 }
556
557 static int dummy_task_getscheduler (struct task_struct *p)
558 {
559         return 0;
560 }
561
562 static int dummy_task_wait (struct task_struct *p)
563 {
564         return 0;
565 }
566
567 static int dummy_task_kill (struct task_struct *p, struct siginfo *info,
568                             int sig)
569 {
570         return 0;
571 }
572
573 static int dummy_task_prctl (int option, unsigned long arg2, unsigned long arg3,
574                              unsigned long arg4, unsigned long arg5)
575 {
576         return 0;
577 }
578
579 static void dummy_task_reparent_to_init (struct task_struct *p)
580 {
581         p->euid = p->fsuid = 0;
582         return;
583 }
584
585 static void dummy_task_to_inode(struct task_struct *p, struct inode *inode)
586 { }
587
588 static int dummy_ipc_permission (struct kern_ipc_perm *ipcp, short flag)
589 {
590         return 0;
591 }
592
593 static int dummy_msg_msg_alloc_security (struct msg_msg *msg)
594 {
595         return 0;
596 }
597
598 static void dummy_msg_msg_free_security (struct msg_msg *msg)
599 {
600         return;
601 }
602
603 static int dummy_msg_queue_alloc_security (struct msg_queue *msq)
604 {
605         return 0;
606 }
607
608 static void dummy_msg_queue_free_security (struct msg_queue *msq)
609 {
610         return;
611 }
612
613 static int dummy_msg_queue_associate (struct msg_queue *msq, 
614                                       int msqflg)
615 {
616         return 0;
617 }
618
619 static int dummy_msg_queue_msgctl (struct msg_queue *msq, int cmd)
620 {
621         return 0;
622 }
623
624 static int dummy_msg_queue_msgsnd (struct msg_queue *msq, struct msg_msg *msg,
625                                    int msgflg)
626 {
627         return 0;
628 }
629
630 static int dummy_msg_queue_msgrcv (struct msg_queue *msq, struct msg_msg *msg,
631                                    struct task_struct *target, long type,
632                                    int mode)
633 {
634         return 0;
635 }
636
637 static int dummy_shm_alloc_security (struct shmid_kernel *shp)
638 {
639         return 0;
640 }
641
642 static void dummy_shm_free_security (struct shmid_kernel *shp)
643 {
644         return;
645 }
646
647 static int dummy_shm_associate (struct shmid_kernel *shp, int shmflg)
648 {
649         return 0;
650 }
651
652 static int dummy_shm_shmctl (struct shmid_kernel *shp, int cmd)
653 {
654         return 0;
655 }
656
657 static int dummy_shm_shmat (struct shmid_kernel *shp, char __user *shmaddr,
658                             int shmflg)
659 {
660         return 0;
661 }
662
663 static int dummy_sem_alloc_security (struct sem_array *sma)
664 {
665         return 0;
666 }
667
668 static void dummy_sem_free_security (struct sem_array *sma)
669 {
670         return;
671 }
672
673 static int dummy_sem_associate (struct sem_array *sma, int semflg)
674 {
675         return 0;
676 }
677
678 static int dummy_sem_semctl (struct sem_array *sma, int cmd)
679 {
680         return 0;
681 }
682
683 static int dummy_sem_semop (struct sem_array *sma, 
684                             struct sembuf *sops, unsigned nsops, int alter)
685 {
686         return 0;
687 }
688
689 static int dummy_netlink_send (struct sock *sk, struct sk_buff *skb)
690 {
691         NETLINK_CB(skb).eff_cap = current->cap_effective;
692         return 0;
693 }
694
695 static int dummy_netlink_recv (struct sk_buff *skb)
696 {
697         if (!cap_raised (NETLINK_CB (skb).eff_cap, CAP_NET_ADMIN))
698                 return -EPERM;
699         return 0;
700 }
701
702 #ifdef CONFIG_SECURITY_NETWORK
703 static int dummy_unix_stream_connect (struct socket *sock,
704                                       struct socket *other,
705                                       struct sock *newsk)
706 {
707         return 0;
708 }
709
710 static int dummy_unix_may_send (struct socket *sock,
711                                 struct socket *other)
712 {
713         return 0;
714 }
715
716 static int dummy_socket_create (int family, int type,
717                                 int protocol, int kern)
718 {
719         return 0;
720 }
721
722 static void dummy_socket_post_create (struct socket *sock, int family, int type,
723                                       int protocol, int kern)
724 {
725         return;
726 }
727
728 static int dummy_socket_bind (struct socket *sock, struct sockaddr *address,
729                               int addrlen)
730 {
731         return 0;
732 }
733
734 static int dummy_socket_connect (struct socket *sock, struct sockaddr *address,
735                                  int addrlen)
736 {
737         return 0;
738 }
739
740 static int dummy_socket_listen (struct socket *sock, int backlog)
741 {
742         return 0;
743 }
744
745 static int dummy_socket_accept (struct socket *sock, struct socket *newsock)
746 {
747         return 0;
748 }
749
750 static void dummy_socket_post_accept (struct socket *sock, 
751                                       struct socket *newsock)
752 {
753         return;
754 }
755
756 static int dummy_socket_sendmsg (struct socket *sock, struct msghdr *msg,
757                                  int size)
758 {
759         return 0;
760 }
761
762 static int dummy_socket_recvmsg (struct socket *sock, struct msghdr *msg,
763                                  int size, int flags)
764 {
765         return 0;
766 }
767
768 static int dummy_socket_getsockname (struct socket *sock)
769 {
770         return 0;
771 }
772
773 static int dummy_socket_getpeername (struct socket *sock)
774 {
775         return 0;
776 }
777
778 static int dummy_socket_setsockopt (struct socket *sock, int level, int optname)
779 {
780         return 0;
781 }
782
783 static int dummy_socket_getsockopt (struct socket *sock, int level, int optname)
784 {
785         return 0;
786 }
787
788 static int dummy_socket_shutdown (struct socket *sock, int how)
789 {
790         return 0;
791 }
792
793 static int dummy_socket_sock_rcv_skb (struct sock *sk, struct sk_buff *skb)
794 {
795         return 0;
796 }
797
798 static int dummy_socket_getpeersec(struct socket *sock, char __user *optval,
799                                    int __user *optlen, unsigned len)
800 {
801         return -ENOPROTOOPT;
802 }
803
804 static inline int dummy_sk_alloc_security (struct sock *sk, int family, int priority)
805 {
806         return 0;
807 }
808
809 static inline void dummy_sk_free_security (struct sock *sk)
810 {
811 }
812 #endif  /* CONFIG_SECURITY_NETWORK */
813
814 static int dummy_register_security (const char *name, struct security_operations *ops)
815 {
816         return -EINVAL;
817 }
818
819 static int dummy_unregister_security (const char *name, struct security_operations *ops)
820 {
821         return -EINVAL;
822 }
823
824 static void dummy_d_instantiate (struct dentry *dentry, struct inode *inode)
825 {
826         return;
827 }
828
829 static int dummy_getprocattr(struct task_struct *p, char *name, void *value, size_t size)
830 {
831         return -EINVAL;
832 }
833
834 static int dummy_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
835 {
836         return -EINVAL;
837 }
838
839
840 struct security_operations dummy_security_ops;
841
842 #define set_to_dummy_if_null(ops, function)                             \
843         do {                                                            \
844                 if (!ops->function) {                                   \
845                         ops->function = dummy_##function;               \
846                         pr_debug("Had to override the " #function       \
847                                  " security operation with the dummy one.\n");\
848                         }                                               \
849         } while (0)
850
851 void security_fixup_ops (struct security_operations *ops)
852 {
853         set_to_dummy_if_null(ops, ptrace);
854         set_to_dummy_if_null(ops, capget);
855         set_to_dummy_if_null(ops, capset_check);
856         set_to_dummy_if_null(ops, capset_set);
857         set_to_dummy_if_null(ops, acct);
858         set_to_dummy_if_null(ops, capable);
859         set_to_dummy_if_null(ops, quotactl);
860         set_to_dummy_if_null(ops, quota_on);
861         set_to_dummy_if_null(ops, sysctl);
862         set_to_dummy_if_null(ops, syslog);
863         set_to_dummy_if_null(ops, settime);
864         set_to_dummy_if_null(ops, vm_enough_memory);
865         set_to_dummy_if_null(ops, bprm_alloc_security);
866         set_to_dummy_if_null(ops, bprm_free_security);
867         set_to_dummy_if_null(ops, bprm_apply_creds);
868         set_to_dummy_if_null(ops, bprm_post_apply_creds);
869         set_to_dummy_if_null(ops, bprm_set_security);
870         set_to_dummy_if_null(ops, bprm_check_security);
871         set_to_dummy_if_null(ops, bprm_secureexec);
872         set_to_dummy_if_null(ops, sb_alloc_security);
873         set_to_dummy_if_null(ops, sb_free_security);
874         set_to_dummy_if_null(ops, sb_copy_data);
875         set_to_dummy_if_null(ops, sb_kern_mount);
876         set_to_dummy_if_null(ops, sb_statfs);
877         set_to_dummy_if_null(ops, sb_mount);
878         set_to_dummy_if_null(ops, sb_check_sb);
879         set_to_dummy_if_null(ops, sb_umount);
880         set_to_dummy_if_null(ops, sb_umount_close);
881         set_to_dummy_if_null(ops, sb_umount_busy);
882         set_to_dummy_if_null(ops, sb_post_remount);
883         set_to_dummy_if_null(ops, sb_post_mountroot);
884         set_to_dummy_if_null(ops, sb_post_addmount);
885         set_to_dummy_if_null(ops, sb_pivotroot);
886         set_to_dummy_if_null(ops, sb_post_pivotroot);
887         set_to_dummy_if_null(ops, inode_alloc_security);
888         set_to_dummy_if_null(ops, inode_free_security);
889         set_to_dummy_if_null(ops, inode_create);
890         set_to_dummy_if_null(ops, inode_post_create);
891         set_to_dummy_if_null(ops, inode_link);
892         set_to_dummy_if_null(ops, inode_post_link);
893         set_to_dummy_if_null(ops, inode_unlink);
894         set_to_dummy_if_null(ops, inode_symlink);
895         set_to_dummy_if_null(ops, inode_post_symlink);
896         set_to_dummy_if_null(ops, inode_mkdir);
897         set_to_dummy_if_null(ops, inode_post_mkdir);
898         set_to_dummy_if_null(ops, inode_rmdir);
899         set_to_dummy_if_null(ops, inode_mknod);
900         set_to_dummy_if_null(ops, inode_post_mknod);
901         set_to_dummy_if_null(ops, inode_rename);
902         set_to_dummy_if_null(ops, inode_post_rename);
903         set_to_dummy_if_null(ops, inode_readlink);
904         set_to_dummy_if_null(ops, inode_follow_link);
905         set_to_dummy_if_null(ops, inode_permission);
906         set_to_dummy_if_null(ops, inode_setattr);
907         set_to_dummy_if_null(ops, inode_getattr);
908         set_to_dummy_if_null(ops, inode_delete);
909         set_to_dummy_if_null(ops, inode_setxattr);
910         set_to_dummy_if_null(ops, inode_post_setxattr);
911         set_to_dummy_if_null(ops, inode_getxattr);
912         set_to_dummy_if_null(ops, inode_listxattr);
913         set_to_dummy_if_null(ops, inode_removexattr);
914         set_to_dummy_if_null(ops, inode_getsecurity);
915         set_to_dummy_if_null(ops, inode_setsecurity);
916         set_to_dummy_if_null(ops, inode_listsecurity);
917         set_to_dummy_if_null(ops, file_permission);
918         set_to_dummy_if_null(ops, file_alloc_security);
919         set_to_dummy_if_null(ops, file_free_security);
920         set_to_dummy_if_null(ops, file_ioctl);
921         set_to_dummy_if_null(ops, file_mmap);
922         set_to_dummy_if_null(ops, file_mprotect);
923         set_to_dummy_if_null(ops, file_lock);
924         set_to_dummy_if_null(ops, file_fcntl);
925         set_to_dummy_if_null(ops, file_set_fowner);
926         set_to_dummy_if_null(ops, file_send_sigiotask);
927         set_to_dummy_if_null(ops, file_receive);
928         set_to_dummy_if_null(ops, task_create);
929         set_to_dummy_if_null(ops, task_alloc_security);
930         set_to_dummy_if_null(ops, task_free_security);
931         set_to_dummy_if_null(ops, task_setuid);
932         set_to_dummy_if_null(ops, task_post_setuid);
933         set_to_dummy_if_null(ops, task_setgid);
934         set_to_dummy_if_null(ops, task_setpgid);
935         set_to_dummy_if_null(ops, task_getpgid);
936         set_to_dummy_if_null(ops, task_getsid);
937         set_to_dummy_if_null(ops, task_setgroups);
938         set_to_dummy_if_null(ops, task_setnice);
939         set_to_dummy_if_null(ops, task_setrlimit);
940         set_to_dummy_if_null(ops, task_setscheduler);
941         set_to_dummy_if_null(ops, task_getscheduler);
942         set_to_dummy_if_null(ops, task_wait);
943         set_to_dummy_if_null(ops, task_kill);
944         set_to_dummy_if_null(ops, task_prctl);
945         set_to_dummy_if_null(ops, task_reparent_to_init);
946         set_to_dummy_if_null(ops, task_to_inode);
947         set_to_dummy_if_null(ops, ipc_permission);
948         set_to_dummy_if_null(ops, msg_msg_alloc_security);
949         set_to_dummy_if_null(ops, msg_msg_free_security);
950         set_to_dummy_if_null(ops, msg_queue_alloc_security);
951         set_to_dummy_if_null(ops, msg_queue_free_security);
952         set_to_dummy_if_null(ops, msg_queue_associate);
953         set_to_dummy_if_null(ops, msg_queue_msgctl);
954         set_to_dummy_if_null(ops, msg_queue_msgsnd);
955         set_to_dummy_if_null(ops, msg_queue_msgrcv);
956         set_to_dummy_if_null(ops, shm_alloc_security);
957         set_to_dummy_if_null(ops, shm_free_security);
958         set_to_dummy_if_null(ops, shm_associate);
959         set_to_dummy_if_null(ops, shm_shmctl);
960         set_to_dummy_if_null(ops, shm_shmat);
961         set_to_dummy_if_null(ops, sem_alloc_security);
962         set_to_dummy_if_null(ops, sem_free_security);
963         set_to_dummy_if_null(ops, sem_associate);
964         set_to_dummy_if_null(ops, sem_semctl);
965         set_to_dummy_if_null(ops, sem_semop);
966         set_to_dummy_if_null(ops, netlink_send);
967         set_to_dummy_if_null(ops, netlink_recv);
968         set_to_dummy_if_null(ops, register_security);
969         set_to_dummy_if_null(ops, unregister_security);
970         set_to_dummy_if_null(ops, d_instantiate);
971         set_to_dummy_if_null(ops, getprocattr);
972         set_to_dummy_if_null(ops, setprocattr);
973 #ifdef CONFIG_SECURITY_NETWORK
974         set_to_dummy_if_null(ops, unix_stream_connect);
975         set_to_dummy_if_null(ops, unix_may_send);
976         set_to_dummy_if_null(ops, socket_create);
977         set_to_dummy_if_null(ops, socket_post_create);
978         set_to_dummy_if_null(ops, socket_bind);
979         set_to_dummy_if_null(ops, socket_connect);
980         set_to_dummy_if_null(ops, socket_listen);
981         set_to_dummy_if_null(ops, socket_accept);
982         set_to_dummy_if_null(ops, socket_post_accept);
983         set_to_dummy_if_null(ops, socket_sendmsg);
984         set_to_dummy_if_null(ops, socket_recvmsg);
985         set_to_dummy_if_null(ops, socket_getsockname);
986         set_to_dummy_if_null(ops, socket_getpeername);
987         set_to_dummy_if_null(ops, socket_setsockopt);
988         set_to_dummy_if_null(ops, socket_getsockopt);
989         set_to_dummy_if_null(ops, socket_shutdown);
990         set_to_dummy_if_null(ops, socket_sock_rcv_skb);
991         set_to_dummy_if_null(ops, socket_getpeersec);
992         set_to_dummy_if_null(ops, sk_alloc_security);
993         set_to_dummy_if_null(ops, sk_free_security);
994 #endif  /* CONFIG_SECURITY_NETWORK */
995 }
996