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_sysctl(ctl_table *table, int op)
  16 {
  17         return 0;
  18 }
  19
  20 static int cap_quotactl(int cmds, int type, int id, struct super_block *sb)
  21 {
  22         return 0;
  23 }
  24
  25 static int cap_quota_on(struct dentry *dentry)
  26 {
  27         return 0;
  28 }
  29
  30 static int cap_bprm_check_security(struct linux_binprm *bprm)
  31 {
  32         return 0;
  33 }
  34
  35 static void cap_bprm_committing_creds(struct linux_binprm *bprm)
  36 {
  37 }
  38
  39 static void cap_bprm_committed_creds(struct linux_binprm *bprm)
  40 {
  41 }
  42
  43 static int cap_sb_alloc_security(struct super_block *sb)
  44 {
  45         return 0;
  46 }
  47
  48 static void cap_sb_free_security(struct super_block *sb)
  49 {
  50 }
  51
  52 static int cap_sb_copy_data(char *orig, char *copy)
  53 {
  54         return 0;
  55 }
  56
  57 static int cap_sb_kern_mount(struct super_block *sb, int flags, void *data)
  58 {
  59         return 0;
  60 }
  61
  62 static int cap_sb_show_options(struct seq_file *m, struct super_block *sb)
  63 {
  64         return 0;
  65 }
  66
  67 static int cap_sb_statfs(struct dentry *dentry)
  68 {
  69         return 0;
  70 }
  71
  72 static int cap_sb_mount(char *dev_name, struct path *path, char *type,
  73                         unsigned long flags, void *data)
  74 {
  75         return 0;
  76 }
  77
  78 static int cap_sb_umount(struct vfsmount *mnt, int flags)
  79 {
  80         return 0;
  81 }
  82
  83 static int cap_sb_pivotroot(struct path *old_path, struct path *new_path)
  84 {
  85         return 0;
  86 }
  87
  88 static int cap_sb_set_mnt_opts(struct super_block *sb,
  89                                struct security_mnt_opts *opts)
  90 {
  91         if (unlikely(opts->num_mnt_opts))
  92                 return -EOPNOTSUPP;
  93         return 0;
  94 }
  95
  96 static void cap_sb_clone_mnt_opts(const struct super_block *oldsb,
  97                                   struct super_block *newsb)
  98 {
  99 }
 100
 101 static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
 102 {
 103         return 0;
 104 }
 105
 106 static int cap_inode_alloc_security(struct inode *inode)
 107 {
 108         return 0;
 109 }
 110
 111 static void cap_inode_free_security(struct inode *inode)
 112 {
 113 }
 114
 115 static int cap_inode_init_security(struct inode *inode, struct inode *dir,
 116                                    char **name, void **value, size_t *len)
 117 {
 118         return -EOPNOTSUPP;
 119 }
 120
 121 static int cap_inode_create(struct inode *inode, struct dentry *dentry,
 122                             int mask)
 123 {
 124         return 0;
 125 }
 126
 127 static int cap_inode_link(struct dentry *old_dentry, struct inode *inode,
 128                           struct dentry *new_dentry)
 129 {
 130         return 0;
 131 }
 132
 133 static int cap_inode_unlink(struct inode *inode, struct dentry *dentry)
 134 {
 135         return 0;
 136 }
 137
 138 static int cap_inode_symlink(struct inode *inode, struct dentry *dentry,
 139                              const char *name)
 140 {
 141         return 0;
 142 }
 143
 144 static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry,
 145                            int mask)
 146 {
 147         return 0;
 148 }
 149
 150 static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry)
 151 {
 152         return 0;
 153 }
 154
 155 static int cap_inode_mknod(struct inode *inode, struct dentry *dentry,
 156                            int mode, dev_t dev)
 157 {
 158         return 0;
 159 }
 160
 161 static int cap_inode_rename(struct inode *old_inode, struct dentry *old_dentry,
 162                             struct inode *new_inode, struct dentry *new_dentry)
 163 {
 164         return 0;
 165 }
 166
 167 static int cap_inode_readlink(struct dentry *dentry)
 168 {
 169         return 0;
 170 }
 171
 172 static int cap_inode_follow_link(struct dentry *dentry,
 173                                  struct nameidata *nameidata)
 174 {
 175         return 0;
 176 }
 177
 178 static int cap_inode_permission(struct inode *inode, int mask)
 179 {
 180         return 0;
 181 }
 182
 183 static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr)
 184 {
 185         return 0;
 186 }
 187
 188 static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
 189 {
 190         return 0;
 191 }
 192
 193 static void cap_inode_post_setxattr(struct dentry *dentry, const char *name,
 194                                     const void *value, size_t size, int flags)
 195 {
 196 }
 197
 198 static int cap_inode_getxattr(struct dentry *dentry, const char *name)
 199 {
 200         return 0;
 201 }
 202
 203 static int cap_inode_listxattr(struct dentry *dentry)
 204 {
 205         return 0;
 206 }
 207
 208 static int cap_inode_getsecurity(const struct inode *inode, const char *name,
 209                                  void **buffer, bool alloc)
 210 {
 211         return -EOPNOTSUPP;
 212 }
 213
 214 static int cap_inode_setsecurity(struct inode *inode, const char *name,
 215                                  const void *value, size_t size, int flags)
 216 {
 217         return -EOPNOTSUPP;
 218 }
 219
 220 static int cap_inode_listsecurity(struct inode *inode, char *buffer,
 221                                   size_t buffer_size)
 222 {
 223         return 0;
 224 }
 225
 226 static void cap_inode_getsecid(const struct inode *inode, u32 *secid)
 227 {
 228         *secid = 0;
 229 }
 230
 231 #ifdef CONFIG_SECURITY_PATH
 232 static int cap_path_mknod(struct path *dir, struct dentry *dentry, int mode,
 233                           unsigned int dev)
 234 {
 235         return 0;
 236 }
 237
 238 static int cap_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
 239 {
 240         return 0;
 241 }
 242
 243 static int cap_path_rmdir(struct path *dir, struct dentry *dentry)
 244 {
 245         return 0;
 246 }
 247
 248 static int cap_path_unlink(struct path *dir, struct dentry *dentry)
 249 {
 250         return 0;
 251 }
 252
 253 static int cap_path_symlink(struct path *dir, struct dentry *dentry,
 254                             const char *old_name)
 255 {
 256         return 0;
 257 }
 258
 259 static int cap_path_link(struct dentry *old_dentry, struct path *new_dir,
 260                          struct dentry *new_dentry)
 261 {
 262         return 0;
 263 }
 264
 265 static int cap_path_rename(struct path *old_path, struct dentry *old_dentry,
 266                            struct path *new_path, struct dentry *new_dentry)
 267 {
 268         return 0;
 269 }
 270
 271 static int cap_path_truncate(struct path *path)
 272 {
 273         return 0;
 274 }
 275
 276 static int cap_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
 277                           mode_t mode)
 278 {
 279         return 0;
 280 }
 281
 282 static int cap_path_chown(struct path *path, uid_t uid, gid_t gid)
 283 {
 284         return 0;
 285 }
 286
 287 static int cap_path_chroot(struct path *root)
 288 {
 289         return 0;
 290 }
 291 #endif
 292
 293 static int cap_file_permission(struct file *file, int mask)
 294 {
 295         return 0;
 296 }
 297
 298 static int cap_file_alloc_security(struct file *file)
 299 {
 300         return 0;
 301 }
 302
 303 static void cap_file_free_security(struct file *file)
 304 {
 305 }
 306
 307 static int cap_file_ioctl(struct file *file, unsigned int command,
 308                           unsigned long arg)
 309 {
 310         return 0;
 311 }
 312
 313 static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
 314                              unsigned long prot)
 315 {
 316         return 0;
 317 }
 318
 319 static int cap_file_lock(struct file *file, unsigned int cmd)
 320 {
 321         return 0;
 322 }
 323
 324 static int cap_file_fcntl(struct file *file, unsigned int cmd,
 325                           unsigned long arg)
 326 {
 327         return 0;
 328 }
 329
 330 static int cap_file_set_fowner(struct file *file)
 331 {
 332         return 0;
 333 }
 334
 335 static int cap_file_send_sigiotask(struct task_struct *tsk,
 336                                    struct fown_struct *fown, int sig)
 337 {
 338         return 0;
 339 }
 340
 341 static int cap_file_receive(struct file *file)
 342 {
 343         return 0;
 344 }
 345
 346 static int cap_dentry_open(struct file *file, const struct cred *cred)
 347 {
 348         return 0;
 349 }
 350
 351 static int cap_task_create(unsigned long clone_flags)
 352 {
 353         return 0;
 354 }
 355
 356 static int cap_cred_alloc_blank(struct cred *cred, gfp_t gfp)
 357 {
 358         return 0;
 359 }
 360
 361 static void cap_cred_free(struct cred *cred)
 362 {
 363 }
 364
 365 static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp)
 366 {
 367         return 0;
 368 }
 369
 370 static void cap_cred_transfer(struct cred *new, const struct cred *old)
 371 {
 372 }
 373
 374 static int cap_kernel_act_as(struct cred *new, u32 secid)
 375 {
 376         return 0;
 377 }
 378
 379 static int cap_kernel_create_files_as(struct cred *new, struct inode *inode)
 380 {
 381         return 0;
 382 }
 383
 384 static int cap_kernel_module_request(char *kmod_name)
 385 {
 386         return 0;
 387 }
 388
 389 static int cap_task_setpgid(struct task_struct *p, pid_t pgid)
 390 {
 391         return 0;
 392 }
 393
 394 static int cap_task_getpgid(struct task_struct *p)
 395 {
 396         return 0;
 397 }
 398
 399 static int cap_task_getsid(struct task_struct *p)
 400 {
 401         return 0;
 402 }
 403
 404 static void cap_task_getsecid(struct task_struct *p, u32 *secid)
 405 {
 406         *secid = 0;
 407 }
 408
 409 static int cap_task_getioprio(struct task_struct *p)
 410 {
 411         return 0;
 412 }
 413
 414 static int cap_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
 415 {
 416         return 0;
 417 }
 418
 419 static int cap_task_getscheduler(struct task_struct *p)
 420 {
 421         return 0;
 422 }
 423
 424 static int cap_task_movememory(struct task_struct *p)
 425 {
 426         return 0;
 427 }
 428
 429 static int cap_task_wait(struct task_struct *p)
 430 {
 431         return 0;
 432 }
 433
 434 static int cap_task_kill(struct task_struct *p, struct siginfo *info,
 435                          int sig, u32 secid)
 436 {
 437         return 0;
 438 }
 439
 440 static void cap_task_to_inode(struct task_struct *p, struct inode *inode)
 441 {
 442 }
 443
 444 static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
 445 {
 446         return 0;
 447 }
 448
 449 static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
 450 {
 451         *secid = 0;
 452 }
 453
 454 static int cap_msg_msg_alloc_security(struct msg_msg *msg)
 455 {
 456         return 0;
 457 }
 458
 459 static void cap_msg_msg_free_security(struct msg_msg *msg)
 460 {
 461 }
 462
 463 static int cap_msg_queue_alloc_security(struct msg_queue *msq)
 464 {
 465         return 0;
 466 }
 467
 468 static void cap_msg_queue_free_security(struct msg_queue *msq)
 469 {
 470 }
 471
 472 static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg)
 473 {
 474         return 0;
 475 }
 476
 477 static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd)
 478 {
 479         return 0;
 480 }
 481
 482 static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
 483                                 int msgflg)
 484 {
 485         return 0;
 486 }
 487
 488 static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
 489                                 struct task_struct *target, long type, int mode)
 490 {
 491         return 0;
 492 }
 493
 494 static int cap_shm_alloc_security(struct shmid_kernel *shp)
 495 {
 496         return 0;
 497 }
 498
 499 static void cap_shm_free_security(struct shmid_kernel *shp)
 500 {
 501 }
 502
 503 static int cap_shm_associate(struct shmid_kernel *shp, int shmflg)
 504 {
 505         return 0;
 506 }
 507
 508 static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd)
 509 {
 510         return 0;
 511 }
 512
 513 static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr,
 514                          int shmflg)
 515 {
 516         return 0;
 517 }
 518
 519 static int cap_sem_alloc_security(struct sem_array *sma)
 520 {
 521         return 0;
 522 }
 523
 524 static void cap_sem_free_security(struct sem_array *sma)
 525 {
 526 }
 527
 528 static int cap_sem_associate(struct sem_array *sma, int semflg)
 529 {
 530         return 0;
 531 }
 532
 533 static int cap_sem_semctl(struct sem_array *sma, int cmd)
 534 {
 535         return 0;
 536 }
 537
 538 static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops,
 539                          unsigned nsops, int alter)
 540 {
 541         return 0;
 542 }
 543
 544 #ifdef CONFIG_SECURITY_NETWORK
 545 static int cap_unix_stream_connect(struct socket *sock, struct socket *other,
 546                                    struct sock *newsk)
 547 {
 548         return 0;
 549 }
 550
 551 static int cap_unix_may_send(struct socket *sock, struct socket *other)
 552 {
 553         return 0;
 554 }
 555
 556 static int cap_socket_create(int family, int type, int protocol, int kern)
 557 {
 558         return 0;
 559 }
 560
 561 static int cap_socket_post_create(struct socket *sock, int family, int type,
 562                                   int protocol, int kern)
 563 {
 564         return 0;
 565 }
 566
 567 static int cap_socket_bind(struct socket *sock, struct sockaddr *address,
 568                            int addrlen)
 569 {
 570         return 0;
 571 }
 572
 573 static int cap_socket_connect(struct socket *sock, struct sockaddr *address,
 574                               int addrlen)
 575 {
 576         return 0;
 577 }
 578
 579 static int cap_socket_listen(struct socket *sock, int backlog)
 580 {
 581         return 0;
 582 }
 583
 584 static int cap_socket_accept(struct socket *sock, struct socket *newsock)
 585 {
 586         return 0;
 587 }
 588
 589 static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
 590 {
 591         return 0;
 592 }
 593
 594 static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg,
 595                               int size, int flags)
 596 {
 597         return 0;
 598 }
 599
 600 static int cap_socket_getsockname(struct socket *sock)
 601 {
 602         return 0;
 603 }
 604
 605 static int cap_socket_getpeername(struct socket *sock)
 606 {
 607         return 0;
 608 }
 609
 610 static int cap_socket_setsockopt(struct socket *sock, int level, int optname)
 611 {
 612         return 0;
 613 }
 614
 615 static int cap_socket_getsockopt(struct socket *sock, int level, int optname)
 616 {
 617         return 0;
 618 }
 619
 620 static int cap_socket_shutdown(struct socket *sock, int how)
 621 {
 622         return 0;
 623 }
 624
 625 static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
 626 {
 627         return 0;
 628 }
 629
 630 static int cap_socket_getpeersec_stream(struct socket *sock,
 631                                         char __user *optval,
 632                                         int __user *optlen, unsigned len)
 633 {
 634         return -ENOPROTOOPT;
 635 }
 636
 637 static int cap_socket_getpeersec_dgram(struct socket *sock,
 638                                        struct sk_buff *skb, u32 *secid)
 639 {
 640         return -ENOPROTOOPT;
 641 }
 642
 643 static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority)
 644 {
 645         return 0;
 646 }
 647
 648 static void cap_sk_free_security(struct sock *sk)
 649 {
 650 }
 651
 652 static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk)
 653 {
 654 }
 655
 656 static void cap_sk_getsecid(struct sock *sk, u32 *secid)
 657 {
 658 }
 659
 660 static void cap_sock_graft(struct sock *sk, struct socket *parent)
 661 {
 662 }
 663
 664 static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb,
 665                                  struct request_sock *req)
 666 {
 667         return 0;
 668 }
 669
 670 static void cap_inet_csk_clone(struct sock *newsk,
 671                                const struct request_sock *req)
 672 {
 673 }
 674
 675 static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb)
 676 {
 677 }
 678
 679
 680
 681 static void cap_req_classify_flow(const struct request_sock *req,
 682                                   struct flowi *fl)
 683 {
 684 }
 685
 686 static int cap_tun_dev_create(void)
 687 {
 688         return 0;
 689 }
 690
 691 static void cap_tun_dev_post_create(struct sock *sk)
 692 {
 693 }
 694
 695 static int cap_tun_dev_attach(struct sock *sk)
 696 {
 697         return 0;
 698 }
 699 #endif  /* CONFIG_SECURITY_NETWORK */
 700
 701 #ifdef CONFIG_SECURITY_NETWORK_XFRM
 702 static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp,
 703                                           struct xfrm_user_sec_ctx *sec_ctx)
 704 {
 705         return 0;
 706 }
 707
 708 static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx,
 709                                           struct xfrm_sec_ctx **new_ctxp)
 710 {
 711         return 0;
 712 }
 713
 714 static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx)
 715 {
 716 }
 717
 718 static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx)
 719 {
 720         return 0;
 721 }
 722
 723 static int cap_xfrm_state_alloc_security(struct xfrm_state *x,
 724                                          struct xfrm_user_sec_ctx *sec_ctx,
 725                                          u32 secid)
 726 {
 727         return 0;
 728 }
 729
 730 static void cap_xfrm_state_free_security(struct xfrm_state *x)
 731 {
 732 }
 733
 734 static int cap_xfrm_state_delete_security(struct xfrm_state *x)
 735 {
 736         return 0;
 737 }
 738
 739 static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir)
 740 {
 741         return 0;
 742 }
 743
 744 static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x,
 745                                          struct xfrm_policy *xp,
 746                                          struct flowi *fl)
 747 {
 748         return 1;
 749 }
 750
 751 static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall)
 752 {
 753         return 0;
 754 }
 755
 756 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
 757 static void cap_d_instantiate(struct dentry *dentry, struct inode *inode)
 758 {
 759 }
 760
 761 static int cap_getprocattr(struct task_struct *p, char *name, char **value)
 762 {
 763         return -EINVAL;
 764 }
 765
 766 static int cap_setprocattr(struct task_struct *p, char *name, void *value,
 767                            size_t size)
 768 {
 769         return -EINVAL;
 770 }
 771
 772 static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
 773 {
 774         return -EOPNOTSUPP;
 775 }
 776
 777 static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
 778 {
 779         return -EOPNOTSUPP;
 780 }
 781
 782 static void cap_release_secctx(char *secdata, u32 seclen)
 783 {
 784 }
 785
 786 static int cap_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
 787 {
 788         return 0;
 789 }
 790
 791 static int cap_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
 792 {
 793         return 0;
 794 }
 795
 796 static int cap_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
 797 {
 798         return 0;
 799 }
 800 #ifdef CONFIG_KEYS
 801 static int cap_key_alloc(struct key *key, const struct cred *cred,
 802                          unsigned long flags)
 803 {
 804         return 0;
 805 }
 806
 807 static void cap_key_free(struct key *key)
 808 {
 809 }
 810
 811 static int cap_key_permission(key_ref_t key_ref, const struct cred *cred,
 812                               key_perm_t perm)
 813 {
 814         return 0;
 815 }
 816
 817 static int cap_key_getsecurity(struct key *key, char **_buffer)
 818 {
 819         *_buffer = NULL;
 820         return 0;
 821 }
 822
 823 #endif /* CONFIG_KEYS */
 824
 825 #ifdef CONFIG_AUDIT
 826 static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
 827 {
 828         return 0;
 829 }
 830
 831 static int cap_audit_rule_known(struct audit_krule *krule)
 832 {
 833         return 0;
 834 }
 835
 836 static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
 837                                 struct audit_context *actx)
 838 {
 839         return 0;
 840 }
 841
 842 static void cap_audit_rule_free(void *lsmrule)
 843 {
 844 }
 845 #endif /* CONFIG_AUDIT */
 846
 847 #define set_to_cap_if_null(ops, function)                               \
 848         do {                                                            \
 849                 if (!ops->function) {                                   \
 850                         ops->function = cap_##function;                 \
 851                         pr_debug("Had to override the " #function       \
 852                                  " security operation with the default.\n");\
 853                         }                                               \
 854         } while (0)
 855
 856 void __init security_fixup_ops(struct security_operations *ops)
 857 {
 858         set_to_cap_if_null(ops, ptrace_access_check);
 859         set_to_cap_if_null(ops, ptrace_traceme);
 860         set_to_cap_if_null(ops, capget);
 861         set_to_cap_if_null(ops, capset);
 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_umount);
 882         set_to_cap_if_null(ops, sb_pivotroot);
 883         set_to_cap_if_null(ops, sb_set_mnt_opts);
 884         set_to_cap_if_null(ops, sb_clone_mnt_opts);
 885         set_to_cap_if_null(ops, sb_parse_opts_str);
 886         set_to_cap_if_null(ops, inode_alloc_security);
 887         set_to_cap_if_null(ops, inode_free_security);
 888         set_to_cap_if_null(ops, inode_init_security);
 889         set_to_cap_if_null(ops, inode_create);
 890         set_to_cap_if_null(ops, inode_link);
 891         set_to_cap_if_null(ops, inode_unlink);
 892         set_to_cap_if_null(ops, inode_symlink);
 893         set_to_cap_if_null(ops, inode_mkdir);
 894         set_to_cap_if_null(ops, inode_rmdir);
 895         set_to_cap_if_null(ops, inode_mknod);
 896         set_to_cap_if_null(ops, inode_rename);
 897         set_to_cap_if_null(ops, inode_readlink);
 898         set_to_cap_if_null(ops, inode_follow_link);
 899         set_to_cap_if_null(ops, inode_permission);
 900         set_to_cap_if_null(ops, inode_setattr);
 901         set_to_cap_if_null(ops, inode_getattr);
 902         set_to_cap_if_null(ops, inode_setxattr);
 903         set_to_cap_if_null(ops, inode_post_setxattr);
 904         set_to_cap_if_null(ops, inode_getxattr);
 905         set_to_cap_if_null(ops, inode_listxattr);
 906         set_to_cap_if_null(ops, inode_removexattr);
 907         set_to_cap_if_null(ops, inode_need_killpriv);
 908         set_to_cap_if_null(ops, inode_killpriv);
 909         set_to_cap_if_null(ops, inode_getsecurity);
 910         set_to_cap_if_null(ops, inode_setsecurity);
 911         set_to_cap_if_null(ops, inode_listsecurity);
 912         set_to_cap_if_null(ops, inode_getsecid);
 913 #ifdef CONFIG_SECURITY_PATH
 914         set_to_cap_if_null(ops, path_mknod);
 915         set_to_cap_if_null(ops, path_mkdir);
 916         set_to_cap_if_null(ops, path_rmdir);
 917         set_to_cap_if_null(ops, path_unlink);
 918         set_to_cap_if_null(ops, path_symlink);
 919         set_to_cap_if_null(ops, path_link);
 920         set_to_cap_if_null(ops, path_rename);
 921         set_to_cap_if_null(ops, path_truncate);
 922         set_to_cap_if_null(ops, path_chmod);
 923         set_to_cap_if_null(ops, path_chown);
 924         set_to_cap_if_null(ops, path_chroot);
 925 #endif
 926         set_to_cap_if_null(ops, file_permission);
 927         set_to_cap_if_null(ops, file_alloc_security);
 928         set_to_cap_if_null(ops, file_free_security);
 929         set_to_cap_if_null(ops, file_ioctl);
 930         set_to_cap_if_null(ops, file_mmap);
 931         set_to_cap_if_null(ops, file_mprotect);
 932         set_to_cap_if_null(ops, file_lock);
 933         set_to_cap_if_null(ops, file_fcntl);
 934         set_to_cap_if_null(ops, file_set_fowner);
 935         set_to_cap_if_null(ops, file_send_sigiotask);
 936         set_to_cap_if_null(ops, file_receive);
 937         set_to_cap_if_null(ops, dentry_open);
 938         set_to_cap_if_null(ops, task_create);
 939         set_to_cap_if_null(ops, cred_alloc_blank);
 940         set_to_cap_if_null(ops, cred_free);
 941         set_to_cap_if_null(ops, cred_prepare);
 942         set_to_cap_if_null(ops, cred_transfer);
 943         set_to_cap_if_null(ops, kernel_act_as);
 944         set_to_cap_if_null(ops, kernel_create_files_as);
 945         set_to_cap_if_null(ops, kernel_module_request);
 946         set_to_cap_if_null(ops, task_fix_setuid);
 947         set_to_cap_if_null(ops, task_setpgid);
 948         set_to_cap_if_null(ops, task_getpgid);
 949         set_to_cap_if_null(ops, task_getsid);
 950         set_to_cap_if_null(ops, task_getsecid);
 951         set_to_cap_if_null(ops, task_setnice);
 952         set_to_cap_if_null(ops, task_setioprio);
 953         set_to_cap_if_null(ops, task_getioprio);
 954         set_to_cap_if_null(ops, task_setrlimit);
 955         set_to_cap_if_null(ops, task_setscheduler);
 956         set_to_cap_if_null(ops, task_getscheduler);
 957         set_to_cap_if_null(ops, task_movememory);
 958         set_to_cap_if_null(ops, task_wait);
 959         set_to_cap_if_null(ops, task_kill);
 960         set_to_cap_if_null(ops, task_prctl);
 961         set_to_cap_if_null(ops, task_to_inode);
 962         set_to_cap_if_null(ops, ipc_permission);
 963         set_to_cap_if_null(ops, ipc_getsecid);
 964         set_to_cap_if_null(ops, msg_msg_alloc_security);
 965         set_to_cap_if_null(ops, msg_msg_free_security);
 966         set_to_cap_if_null(ops, msg_queue_alloc_security);
 967         set_to_cap_if_null(ops, msg_queue_free_security);
 968         set_to_cap_if_null(ops, msg_queue_associate);
 969         set_to_cap_if_null(ops, msg_queue_msgctl);
 970         set_to_cap_if_null(ops, msg_queue_msgsnd);
 971         set_to_cap_if_null(ops, msg_queue_msgrcv);
 972         set_to_cap_if_null(ops, shm_alloc_security);
 973         set_to_cap_if_null(ops, shm_free_security);
 974         set_to_cap_if_null(ops, shm_associate);
 975         set_to_cap_if_null(ops, shm_shmctl);
 976         set_to_cap_if_null(ops, shm_shmat);
 977         set_to_cap_if_null(ops, sem_alloc_security);
 978         set_to_cap_if_null(ops, sem_free_security);
 979         set_to_cap_if_null(ops, sem_associate);
 980         set_to_cap_if_null(ops, sem_semctl);
 981         set_to_cap_if_null(ops, sem_semop);
 982         set_to_cap_if_null(ops, netlink_send);
 983         set_to_cap_if_null(ops, netlink_recv);
 984         set_to_cap_if_null(ops, d_instantiate);
 985         set_to_cap_if_null(ops, getprocattr);
 986         set_to_cap_if_null(ops, setprocattr);
 987         set_to_cap_if_null(ops, secid_to_secctx);
 988         set_to_cap_if_null(ops, secctx_to_secid);
 989         set_to_cap_if_null(ops, release_secctx);
 990         set_to_cap_if_null(ops, inode_notifysecctx);
 991         set_to_cap_if_null(ops, inode_setsecctx);
 992         set_to_cap_if_null(ops, inode_getsecctx);
 993 #ifdef CONFIG_SECURITY_NETWORK
 994         set_to_cap_if_null(ops, unix_stream_connect);
 995         set_to_cap_if_null(ops, unix_may_send);
 996         set_to_cap_if_null(ops, socket_create);
 997         set_to_cap_if_null(ops, socket_post_create);
 998         set_to_cap_if_null(ops, socket_bind);
 999         set_to_cap_if_null(ops, socket_connect);
1000         set_to_cap_if_null(ops, socket_listen);
1001         set_to_cap_if_null(ops, socket_accept);
1002         set_to_cap_if_null(ops, socket_sendmsg);
1003         set_to_cap_if_null(ops, socket_recvmsg);
1004         set_to_cap_if_null(ops, socket_getsockname);
1005         set_to_cap_if_null(ops, socket_getpeername);
1006         set_to_cap_if_null(ops, socket_setsockopt);
1007         set_to_cap_if_null(ops, socket_getsockopt);
1008         set_to_cap_if_null(ops, socket_shutdown);
1009         set_to_cap_if_null(ops, socket_sock_rcv_skb);
1010         set_to_cap_if_null(ops, socket_getpeersec_stream);
1011         set_to_cap_if_null(ops, socket_getpeersec_dgram);
1012         set_to_cap_if_null(ops, sk_alloc_security);
1013         set_to_cap_if_null(ops, sk_free_security);
1014         set_to_cap_if_null(ops, sk_clone_security);
1015         set_to_cap_if_null(ops, sk_getsecid);
1016         set_to_cap_if_null(ops, sock_graft);
1017         set_to_cap_if_null(ops, inet_conn_request);
1018         set_to_cap_if_null(ops, inet_csk_clone);
1019         set_to_cap_if_null(ops, inet_conn_established);
1020         set_to_cap_if_null(ops, req_classify_flow);
1021         set_to_cap_if_null(ops, tun_dev_create);
1022         set_to_cap_if_null(ops, tun_dev_post_create);
1023         set_to_cap_if_null(ops, tun_dev_attach);
1024 #endif  /* CONFIG_SECURITY_NETWORK */
1025 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1026         set_to_cap_if_null(ops, xfrm_policy_alloc_security);
1027         set_to_cap_if_null(ops, xfrm_policy_clone_security);
1028         set_to_cap_if_null(ops, xfrm_policy_free_security);
1029         set_to_cap_if_null(ops, xfrm_policy_delete_security);
1030         set_to_cap_if_null(ops, xfrm_state_alloc_security);
1031         set_to_cap_if_null(ops, xfrm_state_free_security);
1032         set_to_cap_if_null(ops, xfrm_state_delete_security);
1033         set_to_cap_if_null(ops, xfrm_policy_lookup);
1034         set_to_cap_if_null(ops, xfrm_state_pol_flow_match);
1035         set_to_cap_if_null(ops, xfrm_decode_session);
1036 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1037 #ifdef CONFIG_KEYS
1038         set_to_cap_if_null(ops, key_alloc);
1039         set_to_cap_if_null(ops, key_free);
1040         set_to_cap_if_null(ops, key_permission);
1041         set_to_cap_if_null(ops, key_getsecurity);
1042 #endif  /* CONFIG_KEYS */
1043 #ifdef CONFIG_AUDIT
1044         set_to_cap_if_null(ops, audit_rule_init);
1045         set_to_cap_if_null(ops, audit_rule_known);
1046         set_to_cap_if_null(ops, audit_rule_match);
1047         set_to_cap_if_null(ops, audit_rule_free);
1048 #endif
1049 }