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