[LSM-IPSec]: Security association restriction.
[linux-2.6.git] / 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_init_security (struct inode *inode, struct inode *dir,
262                                       char **name, void **value, size_t *len)
263 {
264         return -EOPNOTSUPP;
265 }
266
267 static int dummy_inode_create (struct inode *inode, struct dentry *dentry,
268                                int mask)
269 {
270         return 0;
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 int dummy_inode_unlink (struct inode *inode, struct dentry *dentry)
280 {
281         return 0;
282 }
283
284 static int dummy_inode_symlink (struct inode *inode, struct dentry *dentry,
285                                 const char *name)
286 {
287         return 0;
288 }
289
290 static int dummy_inode_mkdir (struct inode *inode, struct dentry *dentry,
291                               int mask)
292 {
293         return 0;
294 }
295
296 static int dummy_inode_rmdir (struct inode *inode, struct dentry *dentry)
297 {
298         return 0;
299 }
300
301 static int dummy_inode_mknod (struct inode *inode, struct dentry *dentry,
302                               int mode, dev_t dev)
303 {
304         return 0;
305 }
306
307 static int dummy_inode_rename (struct inode *old_inode,
308                                struct dentry *old_dentry,
309                                struct inode *new_inode,
310                                struct dentry *new_dentry)
311 {
312         return 0;
313 }
314
315 static int dummy_inode_readlink (struct dentry *dentry)
316 {
317         return 0;
318 }
319
320 static int dummy_inode_follow_link (struct dentry *dentry,
321                                     struct nameidata *nameidata)
322 {
323         return 0;
324 }
325
326 static int dummy_inode_permission (struct inode *inode, int mask, struct nameidata *nd)
327 {
328         return 0;
329 }
330
331 static int dummy_inode_setattr (struct dentry *dentry, struct iattr *iattr)
332 {
333         return 0;
334 }
335
336 static int dummy_inode_getattr (struct vfsmount *mnt, struct dentry *dentry)
337 {
338         return 0;
339 }
340
341 static void dummy_inode_delete (struct inode *ino)
342 {
343         return;
344 }
345
346 static int dummy_inode_setxattr (struct dentry *dentry, char *name, void *value,
347                                 size_t size, int flags)
348 {
349         if (!strncmp(name, XATTR_SECURITY_PREFIX,
350                      sizeof(XATTR_SECURITY_PREFIX) - 1) &&
351             !capable(CAP_SYS_ADMIN))
352                 return -EPERM;
353         return 0;
354 }
355
356 static void dummy_inode_post_setxattr (struct dentry *dentry, char *name, void *value,
357                                        size_t size, int flags)
358 {
359 }
360
361 static int dummy_inode_getxattr (struct dentry *dentry, char *name)
362 {
363         return 0;
364 }
365
366 static int dummy_inode_listxattr (struct dentry *dentry)
367 {
368         return 0;
369 }
370
371 static int dummy_inode_removexattr (struct dentry *dentry, char *name)
372 {
373         if (!strncmp(name, XATTR_SECURITY_PREFIX,
374                      sizeof(XATTR_SECURITY_PREFIX) - 1) &&
375             !capable(CAP_SYS_ADMIN))
376                 return -EPERM;
377         return 0;
378 }
379
380 static int dummy_inode_getsecurity(struct inode *inode, const char *name, void *buffer, size_t size, int err)
381 {
382         return -EOPNOTSUPP;
383 }
384
385 static int dummy_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
386 {
387         return -EOPNOTSUPP;
388 }
389
390 static int dummy_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
391 {
392         return 0;
393 }
394
395 static int dummy_file_permission (struct file *file, int mask)
396 {
397         return 0;
398 }
399
400 static int dummy_file_alloc_security (struct file *file)
401 {
402         return 0;
403 }
404
405 static void dummy_file_free_security (struct file *file)
406 {
407         return;
408 }
409
410 static int dummy_file_ioctl (struct file *file, unsigned int command,
411                              unsigned long arg)
412 {
413         return 0;
414 }
415
416 static int dummy_file_mmap (struct file *file, unsigned long reqprot,
417                             unsigned long prot,
418                             unsigned long flags)
419 {
420         return 0;
421 }
422
423 static int dummy_file_mprotect (struct vm_area_struct *vma,
424                                 unsigned long reqprot,
425                                 unsigned long prot)
426 {
427         return 0;
428 }
429
430 static int dummy_file_lock (struct file *file, unsigned int cmd)
431 {
432         return 0;
433 }
434
435 static int dummy_file_fcntl (struct file *file, unsigned int cmd,
436                              unsigned long arg)
437 {
438         return 0;
439 }
440
441 static int dummy_file_set_fowner (struct file *file)
442 {
443         return 0;
444 }
445
446 static int dummy_file_send_sigiotask (struct task_struct *tsk,
447                                       struct fown_struct *fown, int sig)
448 {
449         return 0;
450 }
451
452 static int dummy_file_receive (struct file *file)
453 {
454         return 0;
455 }
456
457 static int dummy_task_create (unsigned long clone_flags)
458 {
459         return 0;
460 }
461
462 static int dummy_task_alloc_security (struct task_struct *p)
463 {
464         return 0;
465 }
466
467 static void dummy_task_free_security (struct task_struct *p)
468 {
469         return;
470 }
471
472 static int dummy_task_setuid (uid_t id0, uid_t id1, uid_t id2, int flags)
473 {
474         return 0;
475 }
476
477 static int dummy_task_post_setuid (uid_t id0, uid_t id1, uid_t id2, int flags)
478 {
479         dummy_capget(current, &current->cap_effective, &current->cap_inheritable, &current->cap_permitted);
480         return 0;
481 }
482
483 static int dummy_task_setgid (gid_t id0, gid_t id1, gid_t id2, int flags)
484 {
485         return 0;
486 }
487
488 static int dummy_task_setpgid (struct task_struct *p, pid_t pgid)
489 {
490         return 0;
491 }
492
493 static int dummy_task_getpgid (struct task_struct *p)
494 {
495         return 0;
496 }
497
498 static int dummy_task_getsid (struct task_struct *p)
499 {
500         return 0;
501 }
502
503 static int dummy_task_setgroups (struct group_info *group_info)
504 {
505         return 0;
506 }
507
508 static int dummy_task_setnice (struct task_struct *p, int nice)
509 {
510         return 0;
511 }
512
513 static int dummy_task_setrlimit (unsigned int resource, struct rlimit *new_rlim)
514 {
515         return 0;
516 }
517
518 static int dummy_task_setscheduler (struct task_struct *p, int policy,
519                                     struct sched_param *lp)
520 {
521         return 0;
522 }
523
524 static int dummy_task_getscheduler (struct task_struct *p)
525 {
526         return 0;
527 }
528
529 static int dummy_task_wait (struct task_struct *p)
530 {
531         return 0;
532 }
533
534 static int dummy_task_kill (struct task_struct *p, struct siginfo *info,
535                             int sig)
536 {
537         return 0;
538 }
539
540 static int dummy_task_prctl (int option, unsigned long arg2, unsigned long arg3,
541                              unsigned long arg4, unsigned long arg5)
542 {
543         return 0;
544 }
545
546 static void dummy_task_reparent_to_init (struct task_struct *p)
547 {
548         p->euid = p->fsuid = 0;
549         return;
550 }
551
552 static void dummy_task_to_inode(struct task_struct *p, struct inode *inode)
553 { }
554
555 static int dummy_ipc_permission (struct kern_ipc_perm *ipcp, short flag)
556 {
557         return 0;
558 }
559
560 static int dummy_msg_msg_alloc_security (struct msg_msg *msg)
561 {
562         return 0;
563 }
564
565 static void dummy_msg_msg_free_security (struct msg_msg *msg)
566 {
567         return;
568 }
569
570 static int dummy_msg_queue_alloc_security (struct msg_queue *msq)
571 {
572         return 0;
573 }
574
575 static void dummy_msg_queue_free_security (struct msg_queue *msq)
576 {
577         return;
578 }
579
580 static int dummy_msg_queue_associate (struct msg_queue *msq, 
581                                       int msqflg)
582 {
583         return 0;
584 }
585
586 static int dummy_msg_queue_msgctl (struct msg_queue *msq, int cmd)
587 {
588         return 0;
589 }
590
591 static int dummy_msg_queue_msgsnd (struct msg_queue *msq, struct msg_msg *msg,
592                                    int msgflg)
593 {
594         return 0;
595 }
596
597 static int dummy_msg_queue_msgrcv (struct msg_queue *msq, struct msg_msg *msg,
598                                    struct task_struct *target, long type,
599                                    int mode)
600 {
601         return 0;
602 }
603
604 static int dummy_shm_alloc_security (struct shmid_kernel *shp)
605 {
606         return 0;
607 }
608
609 static void dummy_shm_free_security (struct shmid_kernel *shp)
610 {
611         return;
612 }
613
614 static int dummy_shm_associate (struct shmid_kernel *shp, int shmflg)
615 {
616         return 0;
617 }
618
619 static int dummy_shm_shmctl (struct shmid_kernel *shp, int cmd)
620 {
621         return 0;
622 }
623
624 static int dummy_shm_shmat (struct shmid_kernel *shp, char __user *shmaddr,
625                             int shmflg)
626 {
627         return 0;
628 }
629
630 static int dummy_sem_alloc_security (struct sem_array *sma)
631 {
632         return 0;
633 }
634
635 static void dummy_sem_free_security (struct sem_array *sma)
636 {
637         return;
638 }
639
640 static int dummy_sem_associate (struct sem_array *sma, int semflg)
641 {
642         return 0;
643 }
644
645 static int dummy_sem_semctl (struct sem_array *sma, int cmd)
646 {
647         return 0;
648 }
649
650 static int dummy_sem_semop (struct sem_array *sma, 
651                             struct sembuf *sops, unsigned nsops, int alter)
652 {
653         return 0;
654 }
655
656 static int dummy_netlink_send (struct sock *sk, struct sk_buff *skb)
657 {
658         NETLINK_CB(skb).eff_cap = current->cap_effective;
659         return 0;
660 }
661
662 static int dummy_netlink_recv (struct sk_buff *skb)
663 {
664         if (!cap_raised (NETLINK_CB (skb).eff_cap, CAP_NET_ADMIN))
665                 return -EPERM;
666         return 0;
667 }
668
669 #ifdef CONFIG_SECURITY_NETWORK
670 static int dummy_unix_stream_connect (struct socket *sock,
671                                       struct socket *other,
672                                       struct sock *newsk)
673 {
674         return 0;
675 }
676
677 static int dummy_unix_may_send (struct socket *sock,
678                                 struct socket *other)
679 {
680         return 0;
681 }
682
683 static int dummy_socket_create (int family, int type,
684                                 int protocol, int kern)
685 {
686         return 0;
687 }
688
689 static void dummy_socket_post_create (struct socket *sock, int family, int type,
690                                       int protocol, int kern)
691 {
692         return;
693 }
694
695 static int dummy_socket_bind (struct socket *sock, struct sockaddr *address,
696                               int addrlen)
697 {
698         return 0;
699 }
700
701 static int dummy_socket_connect (struct socket *sock, struct sockaddr *address,
702                                  int addrlen)
703 {
704         return 0;
705 }
706
707 static int dummy_socket_listen (struct socket *sock, int backlog)
708 {
709         return 0;
710 }
711
712 static int dummy_socket_accept (struct socket *sock, struct socket *newsock)
713 {
714         return 0;
715 }
716
717 static void dummy_socket_post_accept (struct socket *sock, 
718                                       struct socket *newsock)
719 {
720         return;
721 }
722
723 static int dummy_socket_sendmsg (struct socket *sock, struct msghdr *msg,
724                                  int size)
725 {
726         return 0;
727 }
728
729 static int dummy_socket_recvmsg (struct socket *sock, struct msghdr *msg,
730                                  int size, int flags)
731 {
732         return 0;
733 }
734
735 static int dummy_socket_getsockname (struct socket *sock)
736 {
737         return 0;
738 }
739
740 static int dummy_socket_getpeername (struct socket *sock)
741 {
742         return 0;
743 }
744
745 static int dummy_socket_setsockopt (struct socket *sock, int level, int optname)
746 {
747         return 0;
748 }
749
750 static int dummy_socket_getsockopt (struct socket *sock, int level, int optname)
751 {
752         return 0;
753 }
754
755 static int dummy_socket_shutdown (struct socket *sock, int how)
756 {
757         return 0;
758 }
759
760 static int dummy_socket_sock_rcv_skb (struct sock *sk, struct sk_buff *skb)
761 {
762         return 0;
763 }
764
765 static int dummy_socket_getpeersec(struct socket *sock, char __user *optval,
766                                    int __user *optlen, unsigned len)
767 {
768         return -ENOPROTOOPT;
769 }
770
771 static inline int dummy_sk_alloc_security (struct sock *sk, int family, gfp_t priority)
772 {
773         return 0;
774 }
775
776 static inline void dummy_sk_free_security (struct sock *sk)
777 {
778 }
779
780 static unsigned int dummy_sk_getsid(struct sock *sk, struct flowi *fl, u8 dir)
781 {
782         return 0;
783 }
784 #endif  /* CONFIG_SECURITY_NETWORK */
785
786 #ifdef CONFIG_SECURITY_NETWORK_XFRM
787 static int dummy_xfrm_policy_alloc_security(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx)
788 {
789         return 0;
790 }
791
792 static inline int dummy_xfrm_policy_clone_security(struct xfrm_policy *old, struct xfrm_policy *new)
793 {
794         return 0;
795 }
796
797 static void dummy_xfrm_policy_free_security(struct xfrm_policy *xp)
798 {
799 }
800
801 static int dummy_xfrm_state_alloc_security(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
802 {
803         return 0;
804 }
805
806 static void dummy_xfrm_state_free_security(struct xfrm_state *x)
807 {
808 }
809
810 static int dummy_xfrm_policy_lookup(struct xfrm_policy *xp, u32 sk_sid, u8 dir)
811 {
812         return 0;
813 }
814 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
815 static int dummy_register_security (const char *name, struct security_operations *ops)
816 {
817         return -EINVAL;
818 }
819
820 static int dummy_unregister_security (const char *name, struct security_operations *ops)
821 {
822         return -EINVAL;
823 }
824
825 static void dummy_d_instantiate (struct dentry *dentry, struct inode *inode)
826 {
827         return;
828 }
829
830 static int dummy_getprocattr(struct task_struct *p, char *name, void *value, size_t size)
831 {
832         return -EINVAL;
833 }
834
835 static int dummy_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
836 {
837         return -EINVAL;
838 }
839
840 #ifdef CONFIG_KEYS
841 static inline int dummy_key_alloc(struct key *key)
842 {
843         return 0;
844 }
845
846 static inline void dummy_key_free(struct key *key)
847 {
848 }
849
850 static inline int dummy_key_permission(key_ref_t key_ref,
851                                        struct task_struct *context,
852                                        key_perm_t perm)
853 {
854         return 0;
855 }
856 #endif /* CONFIG_KEYS */
857
858 struct security_operations dummy_security_ops;
859
860 #define set_to_dummy_if_null(ops, function)                             \
861         do {                                                            \
862                 if (!ops->function) {                                   \
863                         ops->function = dummy_##function;               \
864                         pr_debug("Had to override the " #function       \
865                                  " security operation with the dummy one.\n");\
866                         }                                               \
867         } while (0)
868
869 void security_fixup_ops (struct security_operations *ops)
870 {
871         set_to_dummy_if_null(ops, ptrace);
872         set_to_dummy_if_null(ops, capget);
873         set_to_dummy_if_null(ops, capset_check);
874         set_to_dummy_if_null(ops, capset_set);
875         set_to_dummy_if_null(ops, acct);
876         set_to_dummy_if_null(ops, capable);
877         set_to_dummy_if_null(ops, quotactl);
878         set_to_dummy_if_null(ops, quota_on);
879         set_to_dummy_if_null(ops, sysctl);
880         set_to_dummy_if_null(ops, syslog);
881         set_to_dummy_if_null(ops, settime);
882         set_to_dummy_if_null(ops, vm_enough_memory);
883         set_to_dummy_if_null(ops, bprm_alloc_security);
884         set_to_dummy_if_null(ops, bprm_free_security);
885         set_to_dummy_if_null(ops, bprm_apply_creds);
886         set_to_dummy_if_null(ops, bprm_post_apply_creds);
887         set_to_dummy_if_null(ops, bprm_set_security);
888         set_to_dummy_if_null(ops, bprm_check_security);
889         set_to_dummy_if_null(ops, bprm_secureexec);
890         set_to_dummy_if_null(ops, sb_alloc_security);
891         set_to_dummy_if_null(ops, sb_free_security);
892         set_to_dummy_if_null(ops, sb_copy_data);
893         set_to_dummy_if_null(ops, sb_kern_mount);
894         set_to_dummy_if_null(ops, sb_statfs);
895         set_to_dummy_if_null(ops, sb_mount);
896         set_to_dummy_if_null(ops, sb_check_sb);
897         set_to_dummy_if_null(ops, sb_umount);
898         set_to_dummy_if_null(ops, sb_umount_close);
899         set_to_dummy_if_null(ops, sb_umount_busy);
900         set_to_dummy_if_null(ops, sb_post_remount);
901         set_to_dummy_if_null(ops, sb_post_mountroot);
902         set_to_dummy_if_null(ops, sb_post_addmount);
903         set_to_dummy_if_null(ops, sb_pivotroot);
904         set_to_dummy_if_null(ops, sb_post_pivotroot);
905         set_to_dummy_if_null(ops, inode_alloc_security);
906         set_to_dummy_if_null(ops, inode_free_security);
907         set_to_dummy_if_null(ops, inode_init_security);
908         set_to_dummy_if_null(ops, inode_create);
909         set_to_dummy_if_null(ops, inode_link);
910         set_to_dummy_if_null(ops, inode_unlink);
911         set_to_dummy_if_null(ops, inode_symlink);
912         set_to_dummy_if_null(ops, inode_mkdir);
913         set_to_dummy_if_null(ops, inode_rmdir);
914         set_to_dummy_if_null(ops, inode_mknod);
915         set_to_dummy_if_null(ops, inode_rename);
916         set_to_dummy_if_null(ops, inode_readlink);
917         set_to_dummy_if_null(ops, inode_follow_link);
918         set_to_dummy_if_null(ops, inode_permission);
919         set_to_dummy_if_null(ops, inode_setattr);
920         set_to_dummy_if_null(ops, inode_getattr);
921         set_to_dummy_if_null(ops, inode_delete);
922         set_to_dummy_if_null(ops, inode_setxattr);
923         set_to_dummy_if_null(ops, inode_post_setxattr);
924         set_to_dummy_if_null(ops, inode_getxattr);
925         set_to_dummy_if_null(ops, inode_listxattr);
926         set_to_dummy_if_null(ops, inode_removexattr);
927         set_to_dummy_if_null(ops, inode_getsecurity);
928         set_to_dummy_if_null(ops, inode_setsecurity);
929         set_to_dummy_if_null(ops, inode_listsecurity);
930         set_to_dummy_if_null(ops, file_permission);
931         set_to_dummy_if_null(ops, file_alloc_security);
932         set_to_dummy_if_null(ops, file_free_security);
933         set_to_dummy_if_null(ops, file_ioctl);
934         set_to_dummy_if_null(ops, file_mmap);
935         set_to_dummy_if_null(ops, file_mprotect);
936         set_to_dummy_if_null(ops, file_lock);
937         set_to_dummy_if_null(ops, file_fcntl);
938         set_to_dummy_if_null(ops, file_set_fowner);
939         set_to_dummy_if_null(ops, file_send_sigiotask);
940         set_to_dummy_if_null(ops, file_receive);
941         set_to_dummy_if_null(ops, task_create);
942         set_to_dummy_if_null(ops, task_alloc_security);
943         set_to_dummy_if_null(ops, task_free_security);
944         set_to_dummy_if_null(ops, task_setuid);
945         set_to_dummy_if_null(ops, task_post_setuid);
946         set_to_dummy_if_null(ops, task_setgid);
947         set_to_dummy_if_null(ops, task_setpgid);
948         set_to_dummy_if_null(ops, task_getpgid);
949         set_to_dummy_if_null(ops, task_getsid);
950         set_to_dummy_if_null(ops, task_setgroups);
951         set_to_dummy_if_null(ops, task_setnice);
952         set_to_dummy_if_null(ops, task_setrlimit);
953         set_to_dummy_if_null(ops, task_setscheduler);
954         set_to_dummy_if_null(ops, task_getscheduler);
955         set_to_dummy_if_null(ops, task_wait);
956         set_to_dummy_if_null(ops, task_kill);
957         set_to_dummy_if_null(ops, task_prctl);
958         set_to_dummy_if_null(ops, task_reparent_to_init);
959         set_to_dummy_if_null(ops, task_to_inode);
960         set_to_dummy_if_null(ops, ipc_permission);
961         set_to_dummy_if_null(ops, msg_msg_alloc_security);
962         set_to_dummy_if_null(ops, msg_msg_free_security);
963         set_to_dummy_if_null(ops, msg_queue_alloc_security);
964         set_to_dummy_if_null(ops, msg_queue_free_security);
965         set_to_dummy_if_null(ops, msg_queue_associate);
966         set_to_dummy_if_null(ops, msg_queue_msgctl);
967         set_to_dummy_if_null(ops, msg_queue_msgsnd);
968         set_to_dummy_if_null(ops, msg_queue_msgrcv);
969         set_to_dummy_if_null(ops, shm_alloc_security);
970         set_to_dummy_if_null(ops, shm_free_security);
971         set_to_dummy_if_null(ops, shm_associate);
972         set_to_dummy_if_null(ops, shm_shmctl);
973         set_to_dummy_if_null(ops, shm_shmat);
974         set_to_dummy_if_null(ops, sem_alloc_security);
975         set_to_dummy_if_null(ops, sem_free_security);
976         set_to_dummy_if_null(ops, sem_associate);
977         set_to_dummy_if_null(ops, sem_semctl);
978         set_to_dummy_if_null(ops, sem_semop);
979         set_to_dummy_if_null(ops, netlink_send);
980         set_to_dummy_if_null(ops, netlink_recv);
981         set_to_dummy_if_null(ops, register_security);
982         set_to_dummy_if_null(ops, unregister_security);
983         set_to_dummy_if_null(ops, d_instantiate);
984         set_to_dummy_if_null(ops, getprocattr);
985         set_to_dummy_if_null(ops, setprocattr);
986 #ifdef CONFIG_SECURITY_NETWORK
987         set_to_dummy_if_null(ops, unix_stream_connect);
988         set_to_dummy_if_null(ops, unix_may_send);
989         set_to_dummy_if_null(ops, socket_create);
990         set_to_dummy_if_null(ops, socket_post_create);
991         set_to_dummy_if_null(ops, socket_bind);
992         set_to_dummy_if_null(ops, socket_connect);
993         set_to_dummy_if_null(ops, socket_listen);
994         set_to_dummy_if_null(ops, socket_accept);
995         set_to_dummy_if_null(ops, socket_post_accept);
996         set_to_dummy_if_null(ops, socket_sendmsg);
997         set_to_dummy_if_null(ops, socket_recvmsg);
998         set_to_dummy_if_null(ops, socket_getsockname);
999         set_to_dummy_if_null(ops, socket_getpeername);
1000         set_to_dummy_if_null(ops, socket_setsockopt);
1001         set_to_dummy_if_null(ops, socket_getsockopt);
1002         set_to_dummy_if_null(ops, socket_shutdown);
1003         set_to_dummy_if_null(ops, socket_sock_rcv_skb);
1004         set_to_dummy_if_null(ops, socket_getpeersec);
1005         set_to_dummy_if_null(ops, sk_alloc_security);
1006         set_to_dummy_if_null(ops, sk_free_security);
1007         set_to_dummy_if_null(ops, sk_getsid);
1008  #endif /* CONFIG_SECURITY_NETWORK */
1009 #ifdef  CONFIG_SECURITY_NETWORK_XFRM
1010         set_to_dummy_if_null(ops, xfrm_policy_alloc_security);
1011         set_to_dummy_if_null(ops, xfrm_policy_clone_security);
1012         set_to_dummy_if_null(ops, xfrm_policy_free_security);
1013         set_to_dummy_if_null(ops, xfrm_state_alloc_security);
1014         set_to_dummy_if_null(ops, xfrm_state_free_security);
1015         set_to_dummy_if_null(ops, xfrm_policy_lookup);
1016 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1017 #ifdef CONFIG_KEYS
1018         set_to_dummy_if_null(ops, key_alloc);
1019         set_to_dummy_if_null(ops, key_free);
1020         set_to_dummy_if_null(ops, key_permission);
1021 #endif  /* CONFIG_KEYS */
1022
1023 }
1024