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_syslog(int type)
  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_remount(struct super_block *sb, void *data)
  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(const char *dev_name, struct path *path,
  78                         const char *type, unsigned long flags, void *data)
  79 {
  80         return 0;
  81 }
  82
  83 static int cap_sb_umount(struct vfsmount *mnt, int flags)
  84 {
  85         return 0;
  86 }
  87
  88 static int cap_sb_pivotroot(struct path *old_path, struct path *new_path)
  89 {
  90         return 0;
  91 }
  92
  93 static int cap_sb_set_mnt_opts(struct super_block *sb,
  94                                struct security_mnt_opts *opts)
  95 {
  96         if (unlikely(opts->num_mnt_opts))
  97                 return -EOPNOTSUPP;
  98         return 0;
  99 }
 100
 101 static void cap_sb_clone_mnt_opts(const struct super_block *oldsb,
 102                                   struct super_block *newsb)
 103 {
 104 }
 105
 106 static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
 107 {
 108         return 0;
 109 }
 110
 111 static int cap_inode_alloc_security(struct inode *inode)
 112 {
 113         return 0;
 114 }
 115
 116 static void cap_inode_free_security(struct inode *inode)
 117 {
 118 }
 119
 120 static int cap_inode_init_security(struct inode *inode, struct inode *dir,
 121                                    const struct qstr *qstr, char **name,
 122                                    void **value, size_t *len)
 123 {
 124         return -EOPNOTSUPP;
 125 }
 126
 127 static int cap_inode_create(struct inode *inode, struct dentry *dentry,
 128                             umode_t mask)
 129 {
 130         return 0;
 131 }
 132
 133 static int cap_inode_link(struct dentry *old_dentry, struct inode *inode,
 134                           struct dentry *new_dentry)
 135 {
 136         return 0;
 137 }
 138
 139 static int cap_inode_unlink(struct inode *inode, struct dentry *dentry)
 140 {
 141         return 0;
 142 }
 143
 144 static int cap_inode_symlink(struct inode *inode, struct dentry *dentry,
 145                              const char *name)
 146 {
 147         return 0;
 148 }
 149
 150 static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry,
 151                            umode_t mask)
 152 {
 153         return 0;
 154 }
 155
 156 static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry)
 157 {
 158         return 0;
 159 }
 160
 161 static int cap_inode_mknod(struct inode *inode, struct dentry *dentry,
 162                            umode_t mode, dev_t dev)
 163 {
 164         return 0;
 165 }
 166
 167 static int cap_inode_rename(struct inode *old_inode, struct dentry *old_dentry,
 168                             struct inode *new_inode, struct dentry *new_dentry)
 169 {
 170         return 0;
 171 }
 172
 173 static int cap_inode_readlink(struct dentry *dentry)
 174 {
 175         return 0;
 176 }
 177
 178 static int cap_inode_follow_link(struct dentry *dentry,
 179                                  struct nameidata *nameidata)
 180 {
 181         return 0;
 182 }
 183
 184 static int cap_inode_permission(struct inode *inode, int mask)
 185 {
 186         return 0;
 187 }
 188
 189 static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr)
 190 {
 191         return 0;
 192 }
 193
 194 static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
 195 {
 196         return 0;
 197 }
 198
 199 static void cap_inode_post_setxattr(struct dentry *dentry, const char *name,
 200                                     const void *value, size_t size, int flags)
 201 {
 202 }
 203
 204 static int cap_inode_getxattr(struct dentry *dentry, const char *name)
 205 {
 206         return 0;
 207 }
 208
 209 static int cap_inode_listxattr(struct dentry *dentry)
 210 {
 211         return 0;
 212 }
 213
 214 static int cap_inode_getsecurity(const struct inode *inode, const char *name,
 215                                  void **buffer, bool alloc)
 216 {
 217         return -EOPNOTSUPP;
 218 }
 219
 220 static int cap_inode_setsecurity(struct inode *inode, const char *name,
 221                                  const void *value, size_t size, int flags)
 222 {
 223         return -EOPNOTSUPP;
 224 }
 225
 226 static int cap_inode_listsecurity(struct inode *inode, char *buffer,
 227                                   size_t buffer_size)
 228 {
 229         return 0;
 230 }
 231
 232 static void cap_inode_getsecid(const struct inode *inode, u32 *secid)
 233 {
 234         *secid = 0;
 235 }
 236
 237 #ifdef CONFIG_SECURITY_PATH
 238 static int cap_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
 239                           unsigned int dev)
 240 {
 241         return 0;
 242 }
 243
 244 static int cap_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
 245 {
 246         return 0;
 247 }
 248
 249 static int cap_path_rmdir(struct path *dir, struct dentry *dentry)
 250 {
 251         return 0;
 252 }
 253
 254 static int cap_path_unlink(struct path *dir, struct dentry *dentry)
 255 {
 256         return 0;
 257 }
 258
 259 static int cap_path_symlink(struct path *dir, struct dentry *dentry,
 260                             const char *old_name)
 261 {
 262         return 0;
 263 }
 264
 265 static int cap_path_link(struct dentry *old_dentry, struct path *new_dir,
 266                          struct dentry *new_dentry)
 267 {
 268         return 0;
 269 }
 270
 271 static int cap_path_rename(struct path *old_path, struct dentry *old_dentry,
 272                            struct path *new_path, struct dentry *new_dentry)
 273 {
 274         return 0;
 275 }
 276
 277 static int cap_path_truncate(struct path *path)
 278 {
 279         return 0;
 280 }
 281
 282 static int cap_path_chmod(struct path *path, umode_t mode)
 283 {
 284         return 0;
 285 }
 286
 287 static int cap_path_chown(struct path *path, kuid_t uid, kgid_t gid)
 288 {
 289         return 0;
 290 }
 291
 292 static int cap_path_chroot(struct path *root)
 293 {
 294         return 0;
 295 }
 296 #endif
 297
 298 static int cap_file_permission(struct file *file, int mask)
 299 {
 300         return 0;
 301 }
 302
 303 static int cap_file_alloc_security(struct file *file)
 304 {
 305         return 0;
 306 }
 307
 308 static void cap_file_free_security(struct file *file)
 309 {
 310 }
 311
 312 static int cap_file_ioctl(struct file *file, unsigned int command,
 313                           unsigned long arg)
 314 {
 315         return 0;
 316 }
 317
 318 static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
 319                              unsigned long prot)
 320 {
 321         return 0;
 322 }
 323
 324 static int cap_file_lock(struct file *file, unsigned int cmd)
 325 {
 326         return 0;
 327 }
 328
 329 static int cap_file_fcntl(struct file *file, unsigned int cmd,
 330                           unsigned long arg)
 331 {
 332         return 0;
 333 }
 334
 335 static int cap_file_set_fowner(struct file *file)
 336 {
 337         return 0;
 338 }
 339
 340 static int cap_file_send_sigiotask(struct task_struct *tsk,
 341                                    struct fown_struct *fown, int sig)
 342 {
 343         return 0;
 344 }
 345
 346 static int cap_file_receive(struct file *file)
 347 {
 348         return 0;
 349 }
 350
 351 static int cap_file_open(struct file *file, const struct cred *cred)
 352 {
 353         return 0;
 354 }
 355
 356 static int cap_task_create(unsigned long clone_flags)
 357 {
 358         return 0;
 359 }
 360
 361 static void cap_task_free(struct task_struct *task)
 362 {
 363 }
 364
 365 static int cap_cred_alloc_blank(struct cred *cred, gfp_t gfp)
 366 {
 367         return 0;
 368 }
 369
 370 static void cap_cred_free(struct cred *cred)
 371 {
 372 }
 373
 374 static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp)
 375 {
 376         return 0;
 377 }
 378
 379 static void cap_cred_transfer(struct cred *new, const struct cred *old)
 380 {
 381 }
 382
 383 static int cap_kernel_act_as(struct cred *new, u32 secid)
 384 {
 385         return 0;
 386 }
 387
 388 static int cap_kernel_create_files_as(struct cred *new, struct inode *inode)
 389 {
 390         return 0;
 391 }
 392
 393 static int cap_kernel_module_request(char *kmod_name)
 394 {
 395         return 0;
 396 }
 397
 398 static int cap_kernel_module_from_file(struct file *file)
 399 {
 400         return 0;
 401 }
 402
 403 static int cap_task_setpgid(struct task_struct *p, pid_t pgid)
 404 {
 405         return 0;
 406 }
 407
 408 static int cap_task_getpgid(struct task_struct *p)
 409 {
 410         return 0;
 411 }
 412
 413 static int cap_task_getsid(struct task_struct *p)
 414 {
 415         return 0;
 416 }
 417
 418 static void cap_task_getsecid(struct task_struct *p, u32 *secid)
 419 {
 420         *secid = 0;
 421 }
 422
 423 static int cap_task_getioprio(struct task_struct *p)
 424 {
 425         return 0;
 426 }
 427
 428 static int cap_task_setrlimit(struct task_struct *p, unsigned int resource,
 429                 struct rlimit *new_rlim)
 430 {
 431         return 0;
 432 }
 433
 434 static int cap_task_getscheduler(struct task_struct *p)
 435 {
 436         return 0;
 437 }
 438
 439 static int cap_task_movememory(struct task_struct *p)
 440 {
 441         return 0;
 442 }
 443
 444 static int cap_task_wait(struct task_struct *p)
 445 {
 446         return 0;
 447 }
 448
 449 static int cap_task_kill(struct task_struct *p, struct siginfo *info,
 450                          int sig, u32 secid)
 451 {
 452         return 0;
 453 }
 454
 455 static void cap_task_to_inode(struct task_struct *p, struct inode *inode)
 456 {
 457 }
 458
 459 static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
 460 {
 461         return 0;
 462 }
 463
 464 static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
 465 {
 466         *secid = 0;
 467 }
 468
 469 static int cap_msg_msg_alloc_security(struct msg_msg *msg)
 470 {
 471         return 0;
 472 }
 473
 474 static void cap_msg_msg_free_security(struct msg_msg *msg)
 475 {
 476 }
 477
 478 static int cap_msg_queue_alloc_security(struct msg_queue *msq)
 479 {
 480         return 0;
 481 }
 482
 483 static void cap_msg_queue_free_security(struct msg_queue *msq)
 484 {
 485 }
 486
 487 static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg)
 488 {
 489         return 0;
 490 }
 491
 492 static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd)
 493 {
 494         return 0;
 495 }
 496
 497 static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
 498                                 int msgflg)
 499 {
 500         return 0;
 501 }
 502
 503 static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
 504                                 struct task_struct *target, long type, int mode)
 505 {
 506         return 0;
 507 }
 508
 509 static int cap_shm_alloc_security(struct shmid_kernel *shp)
 510 {
 511         return 0;
 512 }
 513
 514 static void cap_shm_free_security(struct shmid_kernel *shp)
 515 {
 516 }
 517
 518 static int cap_shm_associate(struct shmid_kernel *shp, int shmflg)
 519 {
 520         return 0;
 521 }
 522
 523 static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd)
 524 {
 525         return 0;
 526 }
 527
 528 static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr,
 529                          int shmflg)
 530 {
 531         return 0;
 532 }
 533
 534 static int cap_sem_alloc_security(struct sem_array *sma)
 535 {
 536         return 0;
 537 }
 538
 539 static void cap_sem_free_security(struct sem_array *sma)
 540 {
 541 }
 542
 543 static int cap_sem_associate(struct sem_array *sma, int semflg)
 544 {
 545         return 0;
 546 }
 547
 548 static int cap_sem_semctl(struct sem_array *sma, int cmd)
 549 {
 550         return 0;
 551 }
 552
 553 static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops,
 554                          unsigned nsops, int alter)
 555 {
 556         return 0;
 557 }
 558
 559 #ifdef CONFIG_SECURITY_NETWORK
 560 static int cap_unix_stream_connect(struct sock *sock, struct sock *other,
 561                                    struct sock *newsk)
 562 {
 563         return 0;
 564 }
 565
 566 static int cap_unix_may_send(struct socket *sock, struct socket *other)
 567 {
 568         return 0;
 569 }
 570
 571 static int cap_socket_create(int family, int type, int protocol, int kern)
 572 {
 573         return 0;
 574 }
 575
 576 static int cap_socket_post_create(struct socket *sock, int family, int type,
 577                                   int protocol, int kern)
 578 {
 579         return 0;
 580 }
 581
 582 static int cap_socket_bind(struct socket *sock, struct sockaddr *address,
 583                            int addrlen)
 584 {
 585         return 0;
 586 }
 587
 588 static int cap_socket_connect(struct socket *sock, struct sockaddr *address,
 589                               int addrlen)
 590 {
 591         return 0;
 592 }
 593
 594 static int cap_socket_listen(struct socket *sock, int backlog)
 595 {
 596         return 0;
 597 }
 598
 599 static int cap_socket_accept(struct socket *sock, struct socket *newsock)
 600 {
 601         return 0;
 602 }
 603
 604 static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
 605 {
 606         return 0;
 607 }
 608
 609 static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg,
 610                               int size, int flags)
 611 {
 612         return 0;
 613 }
 614
 615 static int cap_socket_getsockname(struct socket *sock)
 616 {
 617         return 0;
 618 }
 619
 620 static int cap_socket_getpeername(struct socket *sock)
 621 {
 622         return 0;
 623 }
 624
 625 static int cap_socket_setsockopt(struct socket *sock, int level, int optname)
 626 {
 627         return 0;
 628 }
 629
 630 static int cap_socket_getsockopt(struct socket *sock, int level, int optname)
 631 {
 632         return 0;
 633 }
 634
 635 static int cap_socket_shutdown(struct socket *sock, int how)
 636 {
 637         return 0;
 638 }
 639
 640 static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
 641 {
 642         return 0;
 643 }
 644
 645 static int cap_socket_getpeersec_stream(struct socket *sock,
 646                                         char __user *optval,
 647                                         int __user *optlen, unsigned len)
 648 {
 649         return -ENOPROTOOPT;
 650 }
 651
 652 static int cap_socket_getpeersec_dgram(struct socket *sock,
 653                                        struct sk_buff *skb, u32 *secid)
 654 {
 655         return -ENOPROTOOPT;
 656 }
 657
 658 static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority)
 659 {
 660         return 0;
 661 }
 662
 663 static void cap_sk_free_security(struct sock *sk)
 664 {
 665 }
 666
 667 static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk)
 668 {
 669 }
 670
 671 static void cap_sk_getsecid(struct sock *sk, u32 *secid)
 672 {
 673 }
 674
 675 static void cap_sock_graft(struct sock *sk, struct socket *parent)
 676 {
 677 }
 678
 679 static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb,
 680                                  struct request_sock *req)
 681 {
 682         return 0;
 683 }
 684
 685 static void cap_inet_csk_clone(struct sock *newsk,
 686                                const struct request_sock *req)
 687 {
 688 }
 689
 690 static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb)
 691 {
 692 }
 693
 694 static int cap_secmark_relabel_packet(u32 secid)
 695 {
 696         return 0;
 697 }
 698
 699 static void cap_secmark_refcount_inc(void)
 700 {
 701 }
 702
 703 static void cap_secmark_refcount_dec(void)
 704 {
 705 }
 706
 707 static void cap_req_classify_flow(const struct request_sock *req,
 708                                   struct flowi *fl)
 709 {
 710 }
 711
 712 static int cap_tun_dev_create(void)
 713 {
 714         return 0;
 715 }
 716
 717 static void cap_tun_dev_post_create(struct sock *sk)
 718 {
 719 }
 720
 721 static int cap_tun_dev_attach(struct sock *sk)
 722 {
 723         return 0;
 724 }
 725 #endif  /* CONFIG_SECURITY_NETWORK */
 726
 727 #ifdef CONFIG_SECURITY_NETWORK_XFRM
 728 static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp,
 729                                           struct xfrm_user_sec_ctx *sec_ctx)
 730 {
 731         return 0;
 732 }
 733
 734 static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx,
 735                                           struct xfrm_sec_ctx **new_ctxp)
 736 {
 737         return 0;
 738 }
 739
 740 static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx)
 741 {
 742 }
 743
 744 static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx)
 745 {
 746         return 0;
 747 }
 748
 749 static int cap_xfrm_state_alloc_security(struct xfrm_state *x,
 750                                          struct xfrm_user_sec_ctx *sec_ctx,
 751                                          u32 secid)
 752 {
 753         return 0;
 754 }
 755
 756 static void cap_xfrm_state_free_security(struct xfrm_state *x)
 757 {
 758 }
 759
 760 static int cap_xfrm_state_delete_security(struct xfrm_state *x)
 761 {
 762         return 0;
 763 }
 764
 765 static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir)
 766 {
 767         return 0;
 768 }
 769
 770 static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x,
 771                                          struct xfrm_policy *xp,
 772                                          const struct flowi *fl)
 773 {
 774         return 1;
 775 }
 776
 777 static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall)
 778 {
 779         return 0;
 780 }
 781
 782 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
 783 static void cap_d_instantiate(struct dentry *dentry, struct inode *inode)
 784 {
 785 }
 786
 787 static int cap_getprocattr(struct task_struct *p, char *name, char **value)
 788 {
 789         return -EINVAL;
 790 }
 791
 792 static int cap_setprocattr(struct task_struct *p, char *name, void *value,
 793                            size_t size)
 794 {
 795         return -EINVAL;
 796 }
 797
 798 static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
 799 {
 800         return -EOPNOTSUPP;
 801 }
 802
 803 static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
 804 {
 805         *secid = 0;
 806         return 0;
 807 }
 808
 809 static void cap_release_secctx(char *secdata, u32 seclen)
 810 {
 811 }
 812
 813 static int cap_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
 814 {
 815         return 0;
 816 }
 817
 818 static int cap_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
 819 {
 820         return 0;
 821 }
 822
 823 static int cap_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
 824 {
 825         return 0;
 826 }
 827 #ifdef CONFIG_KEYS
 828 static int cap_key_alloc(struct key *key, const struct cred *cred,
 829                          unsigned long flags)
 830 {
 831         return 0;
 832 }
 833
 834 static void cap_key_free(struct key *key)
 835 {
 836 }
 837
 838 static int cap_key_permission(key_ref_t key_ref, const struct cred *cred,
 839                               key_perm_t perm)
 840 {
 841         return 0;
 842 }
 843
 844 static int cap_key_getsecurity(struct key *key, char **_buffer)
 845 {
 846         *_buffer = NULL;
 847         return 0;
 848 }
 849
 850 #endif /* CONFIG_KEYS */
 851
 852 #ifdef CONFIG_AUDIT
 853 static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
 854 {
 855         return 0;
 856 }
 857
 858 static int cap_audit_rule_known(struct audit_krule *krule)
 859 {
 860         return 0;
 861 }
 862
 863 static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
 864                                 struct audit_context *actx)
 865 {
 866         return 0;
 867 }
 868
 869 static void cap_audit_rule_free(void *lsmrule)
 870 {
 871 }
 872 #endif /* CONFIG_AUDIT */
 873
 874 #define set_to_cap_if_null(ops, function)                               \
 875         do {                                                            \
 876                 if (!ops->function) {                                   \
 877                         ops->function = cap_##function;                 \
 878                         pr_debug("Had to override the " #function       \
 879                                  " security operation with the default.\n");\
 880                         }                                               \
 881         } while (0)
 882
 883 void __init security_fixup_ops(struct security_operations *ops)
 884 {
 885         set_to_cap_if_null(ops, ptrace_access_check);
 886         set_to_cap_if_null(ops, ptrace_traceme);
 887         set_to_cap_if_null(ops, capget);
 888         set_to_cap_if_null(ops, capset);
 889         set_to_cap_if_null(ops, capable);
 890         set_to_cap_if_null(ops, quotactl);
 891         set_to_cap_if_null(ops, quota_on);
 892         set_to_cap_if_null(ops, syslog);
 893         set_to_cap_if_null(ops, settime);
 894         set_to_cap_if_null(ops, vm_enough_memory);
 895         set_to_cap_if_null(ops, bprm_set_creds);
 896         set_to_cap_if_null(ops, bprm_committing_creds);
 897         set_to_cap_if_null(ops, bprm_committed_creds);
 898         set_to_cap_if_null(ops, bprm_check_security);
 899         set_to_cap_if_null(ops, bprm_secureexec);
 900         set_to_cap_if_null(ops, sb_alloc_security);
 901         set_to_cap_if_null(ops, sb_free_security);
 902         set_to_cap_if_null(ops, sb_copy_data);
 903         set_to_cap_if_null(ops, sb_remount);
 904         set_to_cap_if_null(ops, sb_kern_mount);
 905         set_to_cap_if_null(ops, sb_show_options);
 906         set_to_cap_if_null(ops, sb_statfs);
 907         set_to_cap_if_null(ops, sb_mount);
 908         set_to_cap_if_null(ops, sb_umount);
 909         set_to_cap_if_null(ops, sb_pivotroot);
 910         set_to_cap_if_null(ops, sb_set_mnt_opts);
 911         set_to_cap_if_null(ops, sb_clone_mnt_opts);
 912         set_to_cap_if_null(ops, sb_parse_opts_str);
 913         set_to_cap_if_null(ops, inode_alloc_security);
 914         set_to_cap_if_null(ops, inode_free_security);
 915         set_to_cap_if_null(ops, inode_init_security);
 916         set_to_cap_if_null(ops, inode_create);
 917         set_to_cap_if_null(ops, inode_link);
 918         set_to_cap_if_null(ops, inode_unlink);
 919         set_to_cap_if_null(ops, inode_symlink);
 920         set_to_cap_if_null(ops, inode_mkdir);
 921         set_to_cap_if_null(ops, inode_rmdir);
 922         set_to_cap_if_null(ops, inode_mknod);
 923         set_to_cap_if_null(ops, inode_rename);
 924         set_to_cap_if_null(ops, inode_readlink);
 925         set_to_cap_if_null(ops, inode_follow_link);
 926         set_to_cap_if_null(ops, inode_permission);
 927         set_to_cap_if_null(ops, inode_setattr);
 928         set_to_cap_if_null(ops, inode_getattr);
 929         set_to_cap_if_null(ops, inode_setxattr);
 930         set_to_cap_if_null(ops, inode_post_setxattr);
 931         set_to_cap_if_null(ops, inode_getxattr);
 932         set_to_cap_if_null(ops, inode_listxattr);
 933         set_to_cap_if_null(ops, inode_removexattr);
 934         set_to_cap_if_null(ops, inode_need_killpriv);
 935         set_to_cap_if_null(ops, inode_killpriv);
 936         set_to_cap_if_null(ops, inode_getsecurity);
 937         set_to_cap_if_null(ops, inode_setsecurity);
 938         set_to_cap_if_null(ops, inode_listsecurity);
 939         set_to_cap_if_null(ops, inode_getsecid);
 940 #ifdef CONFIG_SECURITY_PATH
 941         set_to_cap_if_null(ops, path_mknod);
 942         set_to_cap_if_null(ops, path_mkdir);
 943         set_to_cap_if_null(ops, path_rmdir);
 944         set_to_cap_if_null(ops, path_unlink);
 945         set_to_cap_if_null(ops, path_symlink);
 946         set_to_cap_if_null(ops, path_link);
 947         set_to_cap_if_null(ops, path_rename);
 948         set_to_cap_if_null(ops, path_truncate);
 949         set_to_cap_if_null(ops, path_chmod);
 950         set_to_cap_if_null(ops, path_chown);
 951         set_to_cap_if_null(ops, path_chroot);
 952 #endif
 953         set_to_cap_if_null(ops, file_permission);
 954         set_to_cap_if_null(ops, file_alloc_security);
 955         set_to_cap_if_null(ops, file_free_security);
 956         set_to_cap_if_null(ops, file_ioctl);
 957         set_to_cap_if_null(ops, mmap_addr);
 958         set_to_cap_if_null(ops, mmap_file);
 959         set_to_cap_if_null(ops, file_mprotect);
 960         set_to_cap_if_null(ops, file_lock);
 961         set_to_cap_if_null(ops, file_fcntl);
 962         set_to_cap_if_null(ops, file_set_fowner);
 963         set_to_cap_if_null(ops, file_send_sigiotask);
 964         set_to_cap_if_null(ops, file_receive);
 965         set_to_cap_if_null(ops, file_open);
 966         set_to_cap_if_null(ops, task_create);
 967         set_to_cap_if_null(ops, task_free);
 968         set_to_cap_if_null(ops, cred_alloc_blank);
 969         set_to_cap_if_null(ops, cred_free);
 970         set_to_cap_if_null(ops, cred_prepare);
 971         set_to_cap_if_null(ops, cred_transfer);
 972         set_to_cap_if_null(ops, kernel_act_as);
 973         set_to_cap_if_null(ops, kernel_create_files_as);
 974         set_to_cap_if_null(ops, kernel_module_request);
 975         set_to_cap_if_null(ops, kernel_module_from_file);
 976         set_to_cap_if_null(ops, task_fix_setuid);
 977         set_to_cap_if_null(ops, task_setpgid);
 978         set_to_cap_if_null(ops, task_getpgid);
 979         set_to_cap_if_null(ops, task_getsid);
 980         set_to_cap_if_null(ops, task_getsecid);
 981         set_to_cap_if_null(ops, task_setnice);
 982         set_to_cap_if_null(ops, task_setioprio);
 983         set_to_cap_if_null(ops, task_getioprio);
 984         set_to_cap_if_null(ops, task_setrlimit);
 985         set_to_cap_if_null(ops, task_setscheduler);
 986         set_to_cap_if_null(ops, task_getscheduler);
 987         set_to_cap_if_null(ops, task_movememory);
 988         set_to_cap_if_null(ops, task_wait);
 989         set_to_cap_if_null(ops, task_kill);
 990         set_to_cap_if_null(ops, task_prctl);
 991         set_to_cap_if_null(ops, task_to_inode);
 992         set_to_cap_if_null(ops, ipc_permission);
 993         set_to_cap_if_null(ops, ipc_getsecid);
 994         set_to_cap_if_null(ops, msg_msg_alloc_security);
 995         set_to_cap_if_null(ops, msg_msg_free_security);
 996         set_to_cap_if_null(ops, msg_queue_alloc_security);
 997         set_to_cap_if_null(ops, msg_queue_free_security);
 998         set_to_cap_if_null(ops, msg_queue_associate);
 999         set_to_cap_if_null(ops, msg_queue_msgctl);
1000         set_to_cap_if_null(ops, msg_queue_msgsnd);
1001         set_to_cap_if_null(ops, msg_queue_msgrcv);
1002         set_to_cap_if_null(ops, shm_alloc_security);
1003         set_to_cap_if_null(ops, shm_free_security);
1004         set_to_cap_if_null(ops, shm_associate);
1005         set_to_cap_if_null(ops, shm_shmctl);
1006         set_to_cap_if_null(ops, shm_shmat);
1007         set_to_cap_if_null(ops, sem_alloc_security);
1008         set_to_cap_if_null(ops, sem_free_security);
1009         set_to_cap_if_null(ops, sem_associate);
1010         set_to_cap_if_null(ops, sem_semctl);
1011         set_to_cap_if_null(ops, sem_semop);
1012         set_to_cap_if_null(ops, netlink_send);
1013         set_to_cap_if_null(ops, d_instantiate);
1014         set_to_cap_if_null(ops, getprocattr);
1015         set_to_cap_if_null(ops, setprocattr);
1016         set_to_cap_if_null(ops, secid_to_secctx);
1017         set_to_cap_if_null(ops, secctx_to_secid);
1018         set_to_cap_if_null(ops, release_secctx);
1019         set_to_cap_if_null(ops, inode_notifysecctx);
1020         set_to_cap_if_null(ops, inode_setsecctx);
1021         set_to_cap_if_null(ops, inode_getsecctx);
1022 #ifdef CONFIG_SECURITY_NETWORK
1023         set_to_cap_if_null(ops, unix_stream_connect);
1024         set_to_cap_if_null(ops, unix_may_send);
1025         set_to_cap_if_null(ops, socket_create);
1026         set_to_cap_if_null(ops, socket_post_create);
1027         set_to_cap_if_null(ops, socket_bind);
1028         set_to_cap_if_null(ops, socket_connect);
1029         set_to_cap_if_null(ops, socket_listen);
1030         set_to_cap_if_null(ops, socket_accept);
1031         set_to_cap_if_null(ops, socket_sendmsg);
1032         set_to_cap_if_null(ops, socket_recvmsg);
1033         set_to_cap_if_null(ops, socket_getsockname);
1034         set_to_cap_if_null(ops, socket_getpeername);
1035         set_to_cap_if_null(ops, socket_setsockopt);
1036         set_to_cap_if_null(ops, socket_getsockopt);
1037         set_to_cap_if_null(ops, socket_shutdown);
1038         set_to_cap_if_null(ops, socket_sock_rcv_skb);
1039         set_to_cap_if_null(ops, socket_getpeersec_stream);
1040         set_to_cap_if_null(ops, socket_getpeersec_dgram);
1041         set_to_cap_if_null(ops, sk_alloc_security);
1042         set_to_cap_if_null(ops, sk_free_security);
1043         set_to_cap_if_null(ops, sk_clone_security);
1044         set_to_cap_if_null(ops, sk_getsecid);
1045         set_to_cap_if_null(ops, sock_graft);
1046         set_to_cap_if_null(ops, inet_conn_request);
1047         set_to_cap_if_null(ops, inet_csk_clone);
1048         set_to_cap_if_null(ops, inet_conn_established);
1049         set_to_cap_if_null(ops, secmark_relabel_packet);
1050         set_to_cap_if_null(ops, secmark_refcount_inc);
1051         set_to_cap_if_null(ops, secmark_refcount_dec);
1052         set_to_cap_if_null(ops, req_classify_flow);
1053         set_to_cap_if_null(ops, tun_dev_create);
1054         set_to_cap_if_null(ops, tun_dev_post_create);
1055         set_to_cap_if_null(ops, tun_dev_attach);
1056 #endif  /* CONFIG_SECURITY_NETWORK */
1057 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1058         set_to_cap_if_null(ops, xfrm_policy_alloc_security);
1059         set_to_cap_if_null(ops, xfrm_policy_clone_security);
1060         set_to_cap_if_null(ops, xfrm_policy_free_security);
1061         set_to_cap_if_null(ops, xfrm_policy_delete_security);
1062         set_to_cap_if_null(ops, xfrm_state_alloc_security);
1063         set_to_cap_if_null(ops, xfrm_state_free_security);
1064         set_to_cap_if_null(ops, xfrm_state_delete_security);
1065         set_to_cap_if_null(ops, xfrm_policy_lookup);
1066         set_to_cap_if_null(ops, xfrm_state_pol_flow_match);
1067         set_to_cap_if_null(ops, xfrm_decode_session);
1068 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1069 #ifdef CONFIG_KEYS
1070         set_to_cap_if_null(ops, key_alloc);
1071         set_to_cap_if_null(ops, key_free);
1072         set_to_cap_if_null(ops, key_permission);
1073         set_to_cap_if_null(ops, key_getsecurity);
1074 #endif  /* CONFIG_KEYS */
1075 #ifdef CONFIG_AUDIT
1076         set_to_cap_if_null(ops, audit_rule_init);
1077         set_to_cap_if_null(ops, audit_rule_known);
1078         set_to_cap_if_null(ops, audit_rule_match);
1079         set_to_cap_if_null(ops, audit_rule_free);
1080 #endif
1081 }