security/capability.c

   1 /*
   2  *  Capabilities Linux Security Module
   3  *
   4  *  This is the default security module in case no other module is loaded.
   5  *
   6  *      This program is free software; you can redistribute it and/or modify
   7  *      it under the terms of the GNU General Public License as published by
   8  *      the Free Software Foundation; either version 2 of the License, or
   9  *      (at your option) any later version.
  10  *
  11  */
  12
  13 #include <linux/security.h>
  14
  15 static int cap_acct(struct file *file)
  16 {
  17         return 0;
  18 }
  19
  20 static int cap_sysctl(ctl_table *table, int op)
  21 {
  22         return 0;
  23 }
  24
  25 static int cap_quotactl(int cmds, int type, int id, struct super_block *sb)
  26 {
  27         return 0;
  28 }
  29
  30 static int cap_quota_on(struct dentry *dentry)
  31 {
  32         return 0;
  33 }
  34
  35 static int cap_bprm_check_security (struct linux_binprm *bprm)
  36 {
  37         return 0;
  38 }
  39
  40 static void cap_bprm_committing_creds(struct linux_binprm *bprm)
  41 {
  42 }
  43
  44 static void cap_bprm_committed_creds(struct linux_binprm *bprm)
  45 {
  46 }
  47
  48 static int cap_sb_alloc_security(struct super_block *sb)
  49 {
  50         return 0;
  51 }
  52
  53 static void cap_sb_free_security(struct super_block *sb)
  54 {
  55 }
  56
  57 static int cap_sb_copy_data(char *orig, char *copy)
  58 {
  59         return 0;
  60 }
  61
  62 static int cap_sb_kern_mount(struct super_block *sb, int flags, void *data)
  63 {
  64         return 0;
  65 }
  66
  67 static int cap_sb_show_options(struct seq_file *m, struct super_block *sb)
  68 {
  69         return 0;
  70 }
  71
  72 static int cap_sb_statfs(struct dentry *dentry)
  73 {
  74         return 0;
  75 }
  76
  77 static int cap_sb_mount(char *dev_name, struct path *path, char *type,
  78                         unsigned long flags, void *data)
  79 {
  80         return 0;
  81 }
  82
  83 static int cap_sb_check_sb(struct vfsmount *mnt, struct path *path)
  84 {
  85         return 0;
  86 }
  87
  88 static int cap_sb_umount(struct vfsmount *mnt, int flags)
  89 {
  90         return 0;
  91 }
  92
  93 static void cap_sb_umount_close(struct vfsmount *mnt)
  94 {
  95 }
  96
  97 static void cap_sb_umount_busy(struct vfsmount *mnt)
  98 {
  99 }
 100
 101 static void cap_sb_post_remount(struct vfsmount *mnt, unsigned long flags,
 102                                 void *data)
 103 {
 104 }
 105
 106 static void cap_sb_post_addmount(struct vfsmount *mnt, struct path *path)
 107 {
 108 }
 109
 110 static int cap_sb_pivotroot(struct path *old_path, struct path *new_path)
 111 {
 112         return 0;
 113 }
 114
 115 static void cap_sb_post_pivotroot(struct path *old_path, struct path *new_path)
 116 {
 117 }
 118
 119 static int cap_sb_set_mnt_opts(struct super_block *sb,
 120                                struct security_mnt_opts *opts)
 121 {
 122         if (unlikely(opts->num_mnt_opts))
 123                 return -EOPNOTSUPP;
 124         return 0;
 125 }
 126
 127 static void cap_sb_clone_mnt_opts(const struct super_block *oldsb,
 128                                   struct super_block *newsb)
 129 {
 130 }
 131
 132 static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
 133 {
 134         return 0;
 135 }
 136
 137 static int cap_inode_alloc_security(struct inode *inode)
 138 {
 139         return 0;
 140 }
 141
 142 static void cap_inode_free_security(struct inode *inode)
 143 {
 144 }
 145
 146 static int cap_inode_init_security(struct inode *inode, struct inode *dir,
 147                                    char **name, void **value, size_t *len)
 148 {
 149         return -EOPNOTSUPP;
 150 }
 151
 152 static int cap_inode_create(struct inode *inode, struct dentry *dentry,
 153                             int mask)
 154 {
 155         return 0;
 156 }
 157
 158 static int cap_inode_link(struct dentry *old_dentry, struct inode *inode,
 159                           struct dentry *new_dentry)
 160 {
 161         return 0;
 162 }
 163
 164 static int cap_inode_unlink(struct inode *inode, struct dentry *dentry)
 165 {
 166         return 0;
 167 }
 168
 169 static int cap_inode_symlink(struct inode *inode, struct dentry *dentry,
 170                              const char *name)
 171 {
 172         return 0;
 173 }
 174
 175 static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry,
 176                            int mask)
 177 {
 178         return 0;
 179 }
 180
 181 static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry)
 182 {
 183         return 0;
 184 }
 185
 186 static int cap_inode_mknod(struct inode *inode, struct dentry *dentry,
 187                            int mode, dev_t dev)
 188 {
 189         return 0;
 190 }
 191
 192 static int cap_inode_rename(struct inode *old_inode, struct dentry *old_dentry,
 193                             struct inode *new_inode, struct dentry *new_dentry)
 194 {
 195         return 0;
 196 }
 197
 198 static int cap_inode_readlink(struct dentry *dentry)
 199 {
 200         return 0;
 201 }
 202
 203 static int cap_inode_follow_link(struct dentry *dentry,
 204                                  struct nameidata *nameidata)
 205 {
 206         return 0;
 207 }
 208
 209 static int cap_inode_permission(struct inode *inode, int mask)
 210 {
 211         return 0;
 212 }
 213
 214 static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr)
 215 {
 216         return 0;
 217 }
 218
 219 static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
 220 {
 221         return 0;
 222 }
 223
 224 static void cap_inode_delete(struct inode *ino)
 225 {
 226 }
 227
 228 static void cap_inode_post_setxattr(struct dentry *dentry, const char *name,
 229                                     const void *value, size_t size, int flags)
 230 {
 231 }
 232
 233 static int cap_inode_getxattr(struct dentry *dentry, const char *name)
 234 {
 235         return 0;
 236 }
 237
 238 static int cap_inode_listxattr(struct dentry *dentry)
 239 {
 240         return 0;
 241 }
 242
 243 static int cap_inode_getsecurity(const struct inode *inode, const char *name,
 244                                  void **buffer, bool alloc)
 245 {
 246         return -EOPNOTSUPP;
 247 }
 248
 249 static int cap_inode_setsecurity(struct inode *inode, const char *name,
 250                                  const void *value, size_t size, int flags)
 251 {
 252         return -EOPNOTSUPP;
 253 }
 254
 255 static int cap_inode_listsecurity(struct inode *inode, char *buffer,
 256                                   size_t buffer_size)
 257 {
 258         return 0;
 259 }
 260
 261 static void cap_inode_getsecid(const struct inode *inode, u32 *secid)
 262 {
 263         *secid = 0;
 264 }
 265
 266 #ifdef CONFIG_SECURITY_PATH
 267 static int cap_path_mknod(struct path *dir, struct dentry *dentry, int mode,
 268                           unsigned int dev)
 269 {
 270         return 0;
 271 }
 272
 273 static int cap_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
 274 {
 275         return 0;
 276 }
 277
 278 static int cap_path_rmdir(struct path *dir, struct dentry *dentry)
 279 {
 280         return 0;
 281 }
 282
 283 static int cap_path_unlink(struct path *dir, struct dentry *dentry)
 284 {
 285         return 0;
 286 }
 287
 288 static int cap_path_symlink(struct path *dir, struct dentry *dentry,
 289                             const char *old_name)
 290 {
 291         return 0;
 292 }
 293
 294 static int cap_path_link(struct dentry *old_dentry, struct path *new_dir,
 295                          struct dentry *new_dentry)
 296 {
 297         return 0;
 298 }
 299
 300 static int cap_path_rename(struct path *old_path, struct dentry *old_dentry,
 301                            struct path *new_path, struct dentry *new_dentry)
 302 {
 303         return 0;
 304 }
 305
 306 static int cap_path_truncate(struct path *path, loff_t length,
 307                              unsigned int time_attrs)
 308 {
 309         return 0;
 310 }
 311 #endif
 312
 313 static int cap_file_permission(struct file *file, int mask)
 314 {
 315         return 0;
 316 }
 317
 318 static int cap_file_alloc_security(struct file *file)
 319 {
 320         return 0;
 321 }
 322
 323 static void cap_file_free_security(struct file *file)
 324 {
 325 }
 326
 327 static int cap_file_ioctl(struct file *file, unsigned int command,
 328                           unsigned long arg)
 329 {
 330         return 0;
 331 }
 332
 333 static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
 334                              unsigned long prot)
 335 {
 336         return 0;
 337 }
 338
 339 static int cap_file_lock(struct file *file, unsigned int cmd)
 340 {
 341         return 0;
 342 }
 343
 344 static int cap_file_fcntl(struct file *file, unsigned int cmd,
 345                           unsigned long arg)
 346 {
 347         return 0;
 348 }
 349
 350 static int cap_file_set_fowner(struct file *file)
 351 {
 352         return 0;
 353 }
 354
 355 static int cap_file_send_sigiotask(struct task_struct *tsk,
 356                                    struct fown_struct *fown, int sig)
 357 {
 358         return 0;
 359 }
 360
 361 static int cap_file_receive(struct file *file)
 362 {
 363         return 0;
 364 }
 365
 366 static int cap_dentry_open(struct file *file, const struct cred *cred)
 367 {
 368         return 0;
 369 }
 370
 371 static int cap_task_create(unsigned long clone_flags)
 372 {
 373         return 0;
 374 }
 375
 376 static void cap_cred_free(struct cred *cred)
 377 {
 378 }
 379
 380 static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp)
 381 {
 382         return 0;
 383 }
 384
 385 static void cap_cred_commit(struct cred *new, const struct cred *old)
 386 {
 387 }
 388
 389 static int cap_kernel_act_as(struct cred *new, u32 secid)
 390 {
 391         return 0;
 392 }
 393
 394 static int cap_kernel_create_files_as(struct cred *new, struct inode *inode)
 395 {
 396         return 0;
 397 }
 398
 399 static int cap_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
 400 {
 401         return 0;
 402 }
 403
 404 static int cap_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
 405 {
 406         return 0;
 407 }
 408
 409 static int cap_task_setpgid(struct task_struct *p, pid_t pgid)
 410 {
 411         return 0;
 412 }
 413
 414 static int cap_task_getpgid(struct task_struct *p)
 415 {
 416         return 0;
 417 }
 418
 419 static int cap_task_getsid(struct task_struct *p)
 420 {
 421         return 0;
 422 }
 423
 424 static void cap_task_getsecid(struct task_struct *p, u32 *secid)
 425 {
 426         *secid = 0;
 427 }
 428
 429 static int cap_task_setgroups(struct group_info *group_info)
 430 {
 431         return 0;
 432 }
 433
 434 static int cap_task_getioprio(struct task_struct *p)
 435 {
 436         return 0;
 437 }
 438
 439 static int cap_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
 440 {
 441         return 0;
 442 }
 443
 444 static int cap_task_getscheduler(struct task_struct *p)
 445 {
 446         return 0;
 447 }
 448
 449 static int cap_task_movememory(struct task_struct *p)
 450 {
 451         return 0;
 452 }
 453
 454 static int cap_task_wait(struct task_struct *p)
 455 {
 456         return 0;
 457 }
 458
 459 static int cap_task_kill(struct task_struct *p, struct siginfo *info,
 460                          int sig, u32 secid)
 461 {
 462         return 0;
 463 }
 464
 465 static void cap_task_to_inode(struct task_struct *p, struct inode *inode)
 466 {
 467 }
 468
 469 static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
 470 {
 471         return 0;
 472 }
 473
 474 static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
 475 {
 476         *secid = 0;
 477 }
 478
 479 static int cap_msg_msg_alloc_security(struct msg_msg *msg)
 480 {
 481         return 0;
 482 }
 483
 484 static void cap_msg_msg_free_security(struct msg_msg *msg)
 485 {
 486 }
 487
 488 static int cap_msg_queue_alloc_security(struct msg_queue *msq)
 489 {
 490         return 0;
 491 }
 492
 493 static void cap_msg_queue_free_security(struct msg_queue *msq)
 494 {
 495 }
 496
 497 static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg)
 498 {
 499         return 0;
 500 }
 501
 502 static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd)
 503 {
 504         return 0;
 505 }
 506
 507 static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
 508                                 int msgflg)
 509 {
 510         return 0;
 511 }
 512
 513 static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
 514                                 struct task_struct *target, long type, int mode)
 515 {
 516         return 0;
 517 }
 518
 519 static int cap_shm_alloc_security(struct shmid_kernel *shp)
 520 {
 521         return 0;
 522 }
 523
 524 static void cap_shm_free_security(struct shmid_kernel *shp)
 525 {
 526 }
 527
 528 static int cap_shm_associate(struct shmid_kernel *shp, int shmflg)
 529 {
 530         return 0;
 531 }
 532
 533 static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd)
 534 {
 535         return 0;
 536 }
 537
 538 static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr,
 539                          int shmflg)
 540 {
 541         return 0;
 542 }
 543
 544 static int cap_sem_alloc_security(struct sem_array *sma)
 545 {
 546         return 0;
 547 }
 548
 549 static void cap_sem_free_security(struct sem_array *sma)
 550 {
 551 }
 552
 553 static int cap_sem_associate(struct sem_array *sma, int semflg)
 554 {
 555         return 0;
 556 }
 557
 558 static int cap_sem_semctl(struct sem_array *sma, int cmd)
 559 {
 560         return 0;
 561 }
 562
 563 static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops,
 564                          unsigned nsops, int alter)
 565 {
 566         return 0;
 567 }
 568
 569 #ifdef CONFIG_SECURITY_NETWORK
 570 static int cap_unix_stream_connect(struct socket *sock, struct socket *other,
 571                                    struct sock *newsk)
 572 {
 573         return 0;
 574 }
 575
 576 static int cap_unix_may_send(struct socket *sock, struct socket *other)
 577 {
 578         return 0;
 579 }
 580
 581 static int cap_socket_create(int family, int type, int protocol, int kern)
 582 {
 583         return 0;
 584 }
 585
 586 static int cap_socket_post_create(struct socket *sock, int family, int type,
 587                                   int protocol, int kern)
 588 {
 589         return 0;
 590 }
 591
 592 static int cap_socket_bind(struct socket *sock, struct sockaddr *address,
 593                            int addrlen)
 594 {
 595         return 0;
 596 }
 597
 598 static int cap_socket_connect(struct socket *sock, struct sockaddr *address,
 599                               int addrlen)
 600 {
 601         return 0;
 602 }
 603
 604 static int cap_socket_listen(struct socket *sock, int backlog)
 605 {
 606         return 0;
 607 }
 608
 609 static int cap_socket_accept(struct socket *sock, struct socket *newsock)
 610 {
 611         return 0;
 612 }
 613
 614 static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
 615 {
 616         return 0;
 617 }
 618
 619 static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg,
 620                               int size, int flags)
 621 {
 622         return 0;
 623 }
 624
 625 static int cap_socket_getsockname(struct socket *sock)
 626 {
 627         return 0;
 628 }
 629
 630 static int cap_socket_getpeername(struct socket *sock)
 631 {
 632         return 0;
 633 }
 634
 635 static int cap_socket_setsockopt(struct socket *sock, int level, int optname)
 636 {
 637         return 0;
 638 }
 639
 640 static int cap_socket_getsockopt(struct socket *sock, int level, int optname)
 641 {
 642         return 0;
 643 }
 644
 645 static int cap_socket_shutdown(struct socket *sock, int how)
 646 {
 647         return 0;
 648 }
 649
 650 static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
 651 {
 652         return 0;
 653 }
 654
 655 static int cap_socket_getpeersec_stream(struct socket *sock,
 656                                         char __user *optval,
 657                                         int __user *optlen, unsigned len)
 658 {
 659         return -ENOPROTOOPT;
 660 }
 661
 662 static int cap_socket_getpeersec_dgram(struct socket *sock,
 663                                        struct sk_buff *skb, u32 *secid)
 664 {
 665         return -ENOPROTOOPT;
 666 }
 667
 668 static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority)
 669 {
 670         return 0;
 671 }
 672
 673 static void cap_sk_free_security(struct sock *sk)
 674 {
 675 }
 676
 677 static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk)
 678 {
 679 }
 680
 681 static void cap_sk_getsecid(struct sock *sk, u32 *secid)
 682 {
 683 }
 684
 685 static void cap_sock_graft(struct sock *sk, struct socket *parent)
 686 {
 687 }
 688
 689 static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb,
 690                                  struct request_sock *req)
 691 {
 692         return 0;
 693 }
 694
 695 static void cap_inet_csk_clone(struct sock *newsk,
 696                                const struct request_sock *req)
 697 {
 698 }
 699
 700 static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb)
 701 {
 702 }
 703
 704 static void cap_req_classify_flow(const struct request_sock *req,
 705                                   struct flowi *fl)
 706 {
 707 }
 708 #endif  /* CONFIG_SECURITY_NETWORK */
 709
 710 #ifdef CONFIG_SECURITY_NETWORK_XFRM
 711 static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp,
 712                                           struct xfrm_user_sec_ctx *sec_ctx)
 713 {
 714         return 0;
 715 }
 716
 717 static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx,
 718                                           struct xfrm_sec_ctx **new_ctxp)
 719 {
 720         return 0;
 721 }
 722
 723 static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx)
 724 {
 725 }
 726
 727 static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx)
 728 {
 729         return 0;
 730 }
 731
 732 static int cap_xfrm_state_alloc_security(struct xfrm_state *x,
 733                                          struct xfrm_user_sec_ctx *sec_ctx,
 734                                          u32 secid)
 735 {
 736         return 0;
 737 }
 738
 739 static void cap_xfrm_state_free_security(struct xfrm_state *x)
 740 {
 741 }
 742
 743 static int cap_xfrm_state_delete_security(struct xfrm_state *x)
 744 {
 745         return 0;
 746 }
 747
 748 static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir)
 749 {
 750         return 0;
 751 }
 752
 753 static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x,
 754                                          struct xfrm_policy *xp,
 755                                          struct flowi *fl)
 756 {
 757         return 1;
 758 }
 759
 760 static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall)
 761 {
 762         return 0;
 763 }
 764
 765 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
 766 static void cap_d_instantiate(struct dentry *dentry, struct inode *inode)
 767 {
 768 }
 769
 770 static int cap_getprocattr(struct task_struct *p, char *name, char **value)
 771 {
 772         return -EINVAL;
 773 }
 774
 775 static int cap_setprocattr(struct task_struct *p, char *name, void *value,
 776                            size_t size)
 777 {
 778         return -EINVAL;
 779 }
 780
 781 static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
 782 {
 783         return -EOPNOTSUPP;
 784 }
 785
 786 static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
 787 {
 788         return -EOPNOTSUPP;
 789 }
 790
 791 static void cap_release_secctx(char *secdata, u32 seclen)
 792 {
 793 }
 794
 795 #ifdef CONFIG_KEYS
 796 static int cap_key_alloc(struct key *key, const struct cred *cred,
 797                          unsigned long flags)
 798 {
 799         return 0;
 800 }
 801
 802 static void cap_key_free(struct key *key)
 803 {
 804 }
 805
 806 static int cap_key_permission(key_ref_t key_ref, const struct cred *cred,
 807                               key_perm_t perm)
 808 {
 809         return 0;
 810 }
 811
 812 static int cap_key_getsecurity(struct key *key, char **_buffer)
 813 {
 814         *_buffer = NULL;
 815         return 0;
 816 }
 817
 818 #endif /* CONFIG_KEYS */
 819
 820 #ifdef CONFIG_AUDIT
 821 static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
 822 {
 823         return 0;
 824 }
 825
 826 static int cap_audit_rule_known(struct audit_krule *krule)
 827 {
 828         return 0;
 829 }
 830
 831 static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
 832                                 struct audit_context *actx)
 833 {
 834         return 0;
 835 }
 836
 837 static void cap_audit_rule_free(void *lsmrule)
 838 {
 839 }
 840 #endif /* CONFIG_AUDIT */
 841
 842 struct security_operations default_security_ops = {
 843         .name   = "default",
 844 };
 845
 846 #define set_to_cap_if_null(ops, function)                               \
 847         do {                                                            \
 848                 if (!ops->function) {                                   \
 849                         ops->function = cap_##function;                 \
 850                         pr_debug("Had to override the " #function       \
 851                                  " security operation with the default.\n");\
 852                         }                                               \
 853         } while (0)
 854
 855 void security_fixup_ops(struct security_operations *ops)
 856 {
 857         set_to_cap_if_null(ops, ptrace_may_access);
 858         set_to_cap_if_null(ops, ptrace_traceme);
 859         set_to_cap_if_null(ops, capget);
 860         set_to_cap_if_null(ops, capset);
 861         set_to_cap_if_null(ops, acct);
 862         set_to_cap_if_null(ops, capable);
 863         set_to_cap_if_null(ops, quotactl);
 864         set_to_cap_if_null(ops, quota_on);
 865         set_to_cap_if_null(ops, sysctl);
 866         set_to_cap_if_null(ops, syslog);
 867         set_to_cap_if_null(ops, settime);
 868         set_to_cap_if_null(ops, vm_enough_memory);
 869         set_to_cap_if_null(ops, bprm_set_creds);
 870         set_to_cap_if_null(ops, bprm_committing_creds);
 871         set_to_cap_if_null(ops, bprm_committed_creds);
 872         set_to_cap_if_null(ops, bprm_check_security);
 873         set_to_cap_if_null(ops, bprm_secureexec);
 874         set_to_cap_if_null(ops, sb_alloc_security);
 875         set_to_cap_if_null(ops, sb_free_security);
 876         set_to_cap_if_null(ops, sb_copy_data);
 877         set_to_cap_if_null(ops, sb_kern_mount);
 878         set_to_cap_if_null(ops, sb_show_options);
 879         set_to_cap_if_null(ops, sb_statfs);
 880         set_to_cap_if_null(ops, sb_mount);
 881         set_to_cap_if_null(ops, sb_check_sb);
 882         set_to_cap_if_null(ops, sb_umount);
 883         set_to_cap_if_null(ops, sb_umount_close);
 884         set_to_cap_if_null(ops, sb_umount_busy);
 885         set_to_cap_if_null(ops, sb_post_remount);
 886         set_to_cap_if_null(ops, sb_post_addmount);
 887         set_to_cap_if_null(ops, sb_pivotroot);
 888         set_to_cap_if_null(ops, sb_post_pivotroot);
 889         set_to_cap_if_null(ops, sb_set_mnt_opts);
 890         set_to_cap_if_null(ops, sb_clone_mnt_opts);
 891         set_to_cap_if_null(ops, sb_parse_opts_str);
 892         set_to_cap_if_null(ops, inode_alloc_security);
 893         set_to_cap_if_null(ops, inode_free_security);
 894         set_to_cap_if_null(ops, inode_init_security);
 895         set_to_cap_if_null(ops, inode_create);
 896         set_to_cap_if_null(ops, inode_link);
 897         set_to_cap_if_null(ops, inode_unlink);
 898         set_to_cap_if_null(ops, inode_symlink);
 899         set_to_cap_if_null(ops, inode_mkdir);
 900         set_to_cap_if_null(ops, inode_rmdir);
 901         set_to_cap_if_null(ops, inode_mknod);
 902         set_to_cap_if_null(ops, inode_rename);
 903         set_to_cap_if_null(ops, inode_readlink);
 904         set_to_cap_if_null(ops, inode_follow_link);
 905         set_to_cap_if_null(ops, inode_permission);
 906         set_to_cap_if_null(ops, inode_setattr);
 907         set_to_cap_if_null(ops, inode_getattr);
 908         set_to_cap_if_null(ops, inode_delete);
 909         set_to_cap_if_null(ops, inode_setxattr);
 910         set_to_cap_if_null(ops, inode_post_setxattr);
 911         set_to_cap_if_null(ops, inode_getxattr);
 912         set_to_cap_if_null(ops, inode_listxattr);
 913         set_to_cap_if_null(ops, inode_removexattr);
 914         set_to_cap_if_null(ops, inode_need_killpriv);
 915         set_to_cap_if_null(ops, inode_killpriv);
 916         set_to_cap_if_null(ops, inode_getsecurity);
 917         set_to_cap_if_null(ops, inode_setsecurity);
 918         set_to_cap_if_null(ops, inode_listsecurity);
 919         set_to_cap_if_null(ops, inode_getsecid);
 920 #ifdef CONFIG_SECURITY_PATH
 921         set_to_cap_if_null(ops, path_mknod);
 922         set_to_cap_if_null(ops, path_mkdir);
 923         set_to_cap_if_null(ops, path_rmdir);
 924         set_to_cap_if_null(ops, path_unlink);
 925         set_to_cap_if_null(ops, path_symlink);
 926         set_to_cap_if_null(ops, path_link);
 927         set_to_cap_if_null(ops, path_rename);
 928         set_to_cap_if_null(ops, path_truncate);
 929 #endif
 930         set_to_cap_if_null(ops, file_permission);
 931         set_to_cap_if_null(ops, file_alloc_security);
 932         set_to_cap_if_null(ops, file_free_security);
 933         set_to_cap_if_null(ops, file_ioctl);
 934         set_to_cap_if_null(ops, file_mmap);
 935         set_to_cap_if_null(ops, file_mprotect);
 936         set_to_cap_if_null(ops, file_lock);
 937         set_to_cap_if_null(ops, file_fcntl);
 938         set_to_cap_if_null(ops, file_set_fowner);
 939         set_to_cap_if_null(ops, file_send_sigiotask);
 940         set_to_cap_if_null(ops, file_receive);
 941         set_to_cap_if_null(ops, dentry_open);
 942         set_to_cap_if_null(ops, task_create);
 943         set_to_cap_if_null(ops, cred_free);
 944         set_to_cap_if_null(ops, cred_prepare);
 945         set_to_cap_if_null(ops, cred_commit);
 946         set_to_cap_if_null(ops, kernel_act_as);
 947         set_to_cap_if_null(ops, kernel_create_files_as);
 948         set_to_cap_if_null(ops, task_setuid);
 949         set_to_cap_if_null(ops, task_fix_setuid);
 950         set_to_cap_if_null(ops, task_setgid);
 951         set_to_cap_if_null(ops, task_setpgid);
 952         set_to_cap_if_null(ops, task_getpgid);
 953         set_to_cap_if_null(ops, task_getsid);
 954         set_to_cap_if_null(ops, task_getsecid);
 955         set_to_cap_if_null(ops, task_setgroups);
 956         set_to_cap_if_null(ops, task_setnice);
 957         set_to_cap_if_null(ops, task_setioprio);
 958         set_to_cap_if_null(ops, task_getioprio);
 959         set_to_cap_if_null(ops, task_setrlimit);
 960         set_to_cap_if_null(ops, task_setscheduler);
 961         set_to_cap_if_null(ops, task_getscheduler);
 962         set_to_cap_if_null(ops, task_movememory);
 963         set_to_cap_if_null(ops, task_wait);
 964         set_to_cap_if_null(ops, task_kill);
 965         set_to_cap_if_null(ops, task_prctl);
 966         set_to_cap_if_null(ops, task_to_inode);
 967         set_to_cap_if_null(ops, ipc_permission);
 968         set_to_cap_if_null(ops, ipc_getsecid);
 969         set_to_cap_if_null(ops, msg_msg_alloc_security);
 970         set_to_cap_if_null(ops, msg_msg_free_security);
 971         set_to_cap_if_null(ops, msg_queue_alloc_security);
 972         set_to_cap_if_null(ops, msg_queue_free_security);
 973         set_to_cap_if_null(ops, msg_queue_associate);
 974         set_to_cap_if_null(ops, msg_queue_msgctl);
 975         set_to_cap_if_null(ops, msg_queue_msgsnd);
 976         set_to_cap_if_null(ops, msg_queue_msgrcv);
 977         set_to_cap_if_null(ops, shm_alloc_security);
 978         set_to_cap_if_null(ops, shm_free_security);
 979         set_to_cap_if_null(ops, shm_associate);
 980         set_to_cap_if_null(ops, shm_shmctl);
 981         set_to_cap_if_null(ops, shm_shmat);
 982         set_to_cap_if_null(ops, sem_alloc_security);
 983         set_to_cap_if_null(ops, sem_free_security);
 984         set_to_cap_if_null(ops, sem_associate);
 985         set_to_cap_if_null(ops, sem_semctl);
 986         set_to_cap_if_null(ops, sem_semop);
 987         set_to_cap_if_null(ops, netlink_send);
 988         set_to_cap_if_null(ops, netlink_recv);
 989         set_to_cap_if_null(ops, d_instantiate);
 990         set_to_cap_if_null(ops, getprocattr);
 991         set_to_cap_if_null(ops, setprocattr);
 992         set_to_cap_if_null(ops, secid_to_secctx);
 993         set_to_cap_if_null(ops, secctx_to_secid);
 994         set_to_cap_if_null(ops, release_secctx);
 995 #ifdef CONFIG_SECURITY_NETWORK
 996         set_to_cap_if_null(ops, unix_stream_connect);
 997         set_to_cap_if_null(ops, unix_may_send);
 998         set_to_cap_if_null(ops, socket_create);
 999         set_to_cap_if_null(ops, socket_post_create);
1000         set_to_cap_if_null(ops, socket_bind);
1001         set_to_cap_if_null(ops, socket_connect);
1002         set_to_cap_if_null(ops, socket_listen);
1003         set_to_cap_if_null(ops, socket_accept);
1004         set_to_cap_if_null(ops, socket_sendmsg);
1005         set_to_cap_if_null(ops, socket_recvmsg);
1006         set_to_cap_if_null(ops, socket_getsockname);
1007         set_to_cap_if_null(ops, socket_getpeername);
1008         set_to_cap_if_null(ops, socket_setsockopt);
1009         set_to_cap_if_null(ops, socket_getsockopt);
1010         set_to_cap_if_null(ops, socket_shutdown);
1011         set_to_cap_if_null(ops, socket_sock_rcv_skb);
1012         set_to_cap_if_null(ops, socket_getpeersec_stream);
1013         set_to_cap_if_null(ops, socket_getpeersec_dgram);
1014         set_to_cap_if_null(ops, sk_alloc_security);
1015         set_to_cap_if_null(ops, sk_free_security);
1016         set_to_cap_if_null(ops, sk_clone_security);
1017         set_to_cap_if_null(ops, sk_getsecid);
1018         set_to_cap_if_null(ops, sock_graft);
1019         set_to_cap_if_null(ops, inet_conn_request);
1020         set_to_cap_if_null(ops, inet_csk_clone);
1021         set_to_cap_if_null(ops, inet_conn_established);
1022         set_to_cap_if_null(ops, req_classify_flow);
1023 #endif  /* CONFIG_SECURITY_NETWORK */
1024 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1025         set_to_cap_if_null(ops, xfrm_policy_alloc_security);
1026         set_to_cap_if_null(ops, xfrm_policy_clone_security);
1027         set_to_cap_if_null(ops, xfrm_policy_free_security);
1028         set_to_cap_if_null(ops, xfrm_policy_delete_security);
1029         set_to_cap_if_null(ops, xfrm_state_alloc_security);
1030         set_to_cap_if_null(ops, xfrm_state_free_security);
1031         set_to_cap_if_null(ops, xfrm_state_delete_security);
1032         set_to_cap_if_null(ops, xfrm_policy_lookup);
1033         set_to_cap_if_null(ops, xfrm_state_pol_flow_match);
1034         set_to_cap_if_null(ops, xfrm_decode_session);
1035 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1036 #ifdef CONFIG_KEYS
1037         set_to_cap_if_null(ops, key_alloc);
1038         set_to_cap_if_null(ops, key_free);
1039         set_to_cap_if_null(ops, key_permission);
1040         set_to_cap_if_null(ops, key_getsecurity);
1041 #endif  /* CONFIG_KEYS */
1042 #ifdef CONFIG_AUDIT
1043         set_to_cap_if_null(ops, audit_rule_init);
1044         set_to_cap_if_null(ops, audit_rule_known);
1045         set_to_cap_if_null(ops, audit_rule_match);
1046         set_to_cap_if_null(ops, audit_rule_free);
1047 #endif
1048 }