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                                unsigned long kern_flags,
  96                                unsigned long *set_kern_flags)
  97
  98 {
  99         if (unlikely(opts->num_mnt_opts))
 100                 return -EOPNOTSUPP;
 101         return 0;
 102 }
 103
 104 static int cap_sb_clone_mnt_opts(const struct super_block *oldsb,
 105                                   struct super_block *newsb)
 106 {
 107         return 0;
 108 }
 109
 110 static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
 111 {
 112         return 0;
 113 }
 114
 115 static int cap_dentry_init_security(struct dentry *dentry, int mode,
 116                                         struct qstr *name, void **ctx,
 117                                         u32 *ctxlen)
 118 {
 119         return 0;
 120 }
 121
 122 static int cap_inode_alloc_security(struct inode *inode)
 123 {
 124         return 0;
 125 }
 126
 127 static void cap_inode_free_security(struct inode *inode)
 128 {
 129 }
 130
 131 static int cap_inode_init_security(struct inode *inode, struct inode *dir,
 132                                    const struct qstr *qstr, const char **name,
 133                                    void **value, size_t *len)
 134 {
 135         return -EOPNOTSUPP;
 136 }
 137
 138 static int cap_inode_create(struct inode *inode, struct dentry *dentry,
 139                             umode_t mask)
 140 {
 141         return 0;
 142 }
 143
 144 static int cap_inode_link(struct dentry *old_dentry, struct inode *inode,
 145                           struct dentry *new_dentry)
 146 {
 147         return 0;
 148 }
 149
 150 static int cap_inode_unlink(struct inode *inode, struct dentry *dentry)
 151 {
 152         return 0;
 153 }
 154
 155 static int cap_inode_symlink(struct inode *inode, struct dentry *dentry,
 156                              const char *name)
 157 {
 158         return 0;
 159 }
 160
 161 static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry,
 162                            umode_t mask)
 163 {
 164         return 0;
 165 }
 166
 167 static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry)
 168 {
 169         return 0;
 170 }
 171
 172 static int cap_inode_mknod(struct inode *inode, struct dentry *dentry,
 173                            umode_t mode, dev_t dev)
 174 {
 175         return 0;
 176 }
 177
 178 static int cap_inode_rename(struct inode *old_inode, struct dentry *old_dentry,
 179                             struct inode *new_inode, struct dentry *new_dentry)
 180 {
 181         return 0;
 182 }
 183
 184 static int cap_inode_readlink(struct dentry *dentry)
 185 {
 186         return 0;
 187 }
 188
 189 static int cap_inode_follow_link(struct dentry *dentry,
 190                                  struct nameidata *nameidata)
 191 {
 192         return 0;
 193 }
 194
 195 static int cap_inode_permission(struct inode *inode, int mask)
 196 {
 197         return 0;
 198 }
 199
 200 static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr)
 201 {
 202         return 0;
 203 }
 204
 205 static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
 206 {
 207         return 0;
 208 }
 209
 210 static void cap_inode_post_setxattr(struct dentry *dentry, const char *name,
 211                                     const void *value, size_t size, int flags)
 212 {
 213 }
 214
 215 static int cap_inode_getxattr(struct dentry *dentry, const char *name)
 216 {
 217         return 0;
 218 }
 219
 220 static int cap_inode_listxattr(struct dentry *dentry)
 221 {
 222         return 0;
 223 }
 224
 225 static int cap_inode_getsecurity(const struct inode *inode, const char *name,
 226                                  void **buffer, bool alloc)
 227 {
 228         return -EOPNOTSUPP;
 229 }
 230
 231 static int cap_inode_setsecurity(struct inode *inode, const char *name,
 232                                  const void *value, size_t size, int flags)
 233 {
 234         return -EOPNOTSUPP;
 235 }
 236
 237 static int cap_inode_listsecurity(struct inode *inode, char *buffer,
 238                                   size_t buffer_size)
 239 {
 240         return 0;
 241 }
 242
 243 static void cap_inode_getsecid(const struct inode *inode, u32 *secid)
 244 {
 245         *secid = 0;
 246 }
 247
 248 #ifdef CONFIG_SECURITY_PATH
 249 static int cap_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
 250                           unsigned int dev)
 251 {
 252         return 0;
 253 }
 254
 255 static int cap_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
 256 {
 257         return 0;
 258 }
 259
 260 static int cap_path_rmdir(struct path *dir, struct dentry *dentry)
 261 {
 262         return 0;
 263 }
 264
 265 static int cap_path_unlink(struct path *dir, struct dentry *dentry)
 266 {
 267         return 0;
 268 }
 269
 270 static int cap_path_symlink(struct path *dir, struct dentry *dentry,
 271                             const char *old_name)
 272 {
 273         return 0;
 274 }
 275
 276 static int cap_path_link(struct dentry *old_dentry, struct path *new_dir,
 277                          struct dentry *new_dentry)
 278 {
 279         return 0;
 280 }
 281
 282 static int cap_path_rename(struct path *old_path, struct dentry *old_dentry,
 283                            struct path *new_path, struct dentry *new_dentry)
 284 {
 285         return 0;
 286 }
 287
 288 static int cap_path_truncate(struct path *path)
 289 {
 290         return 0;
 291 }
 292
 293 static int cap_path_chmod(struct path *path, umode_t mode)
 294 {
 295         return 0;
 296 }
 297
 298 static int cap_path_chown(struct path *path, kuid_t uid, kgid_t gid)
 299 {
 300         return 0;
 301 }
 302
 303 static int cap_path_chroot(struct path *root)
 304 {
 305         return 0;
 306 }
 307 #endif
 308
 309 static int cap_file_permission(struct file *file, int mask)
 310 {
 311         return 0;
 312 }
 313
 314 static int cap_file_alloc_security(struct file *file)
 315 {
 316         return 0;
 317 }
 318
 319 static void cap_file_free_security(struct file *file)
 320 {
 321 }
 322
 323 static int cap_file_ioctl(struct file *file, unsigned int command,
 324                           unsigned long arg)
 325 {
 326         return 0;
 327 }
 328
 329 static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
 330                              unsigned long prot)
 331 {
 332         return 0;
 333 }
 334
 335 static int cap_file_lock(struct file *file, unsigned int cmd)
 336 {
 337         return 0;
 338 }
 339
 340 static int cap_file_fcntl(struct file *file, unsigned int cmd,
 341                           unsigned long arg)
 342 {
 343         return 0;
 344 }
 345
 346 static int cap_file_set_fowner(struct file *file)
 347 {
 348         return 0;
 349 }
 350
 351 static int cap_file_send_sigiotask(struct task_struct *tsk,
 352                                    struct fown_struct *fown, int sig)
 353 {
 354         return 0;
 355 }
 356
 357 static int cap_file_receive(struct file *file)
 358 {
 359         return 0;
 360 }
 361
 362 static int cap_file_open(struct file *file, const struct cred *cred)
 363 {
 364         return 0;
 365 }
 366
 367 static int cap_task_create(unsigned long clone_flags)
 368 {
 369         return 0;
 370 }
 371
 372 static void cap_task_free(struct task_struct *task)
 373 {
 374 }
 375
 376 static int cap_cred_alloc_blank(struct cred *cred, gfp_t gfp)
 377 {
 378         return 0;
 379 }
 380
 381 static void cap_cred_free(struct cred *cred)
 382 {
 383 }
 384
 385 static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp)
 386 {
 387         return 0;
 388 }
 389
 390 static void cap_cred_transfer(struct cred *new, const struct cred *old)
 391 {
 392 }
 393
 394 static int cap_kernel_act_as(struct cred *new, u32 secid)
 395 {
 396         return 0;
 397 }
 398
 399 static int cap_kernel_create_files_as(struct cred *new, struct inode *inode)
 400 {
 401         return 0;
 402 }
 403
 404 static int cap_kernel_module_request(char *kmod_name)
 405 {
 406         return 0;
 407 }
 408
 409 static int cap_kernel_module_from_file(struct file *file)
 410 {
 411         return 0;
 412 }
 413
 414 static int cap_task_setpgid(struct task_struct *p, pid_t pgid)
 415 {
 416         return 0;
 417 }
 418
 419 static int cap_task_getpgid(struct task_struct *p)
 420 {
 421         return 0;
 422 }
 423
 424 static int cap_task_getsid(struct task_struct *p)
 425 {
 426         return 0;
 427 }
 428
 429 static void cap_task_getsecid(struct task_struct *p, u32 *secid)
 430 {
 431         *secid = 0;
 432 }
 433
 434 static int cap_task_getioprio(struct task_struct *p)
 435 {
 436         return 0;
 437 }
 438
 439 static int cap_task_setrlimit(struct task_struct *p, unsigned int resource,
 440                 struct rlimit *new_rlim)
 441 {
 442         return 0;
 443 }
 444
 445 static int cap_task_getscheduler(struct task_struct *p)
 446 {
 447         return 0;
 448 }
 449
 450 static int cap_task_movememory(struct task_struct *p)
 451 {
 452         return 0;
 453 }
 454
 455 static int cap_task_wait(struct task_struct *p)
 456 {
 457         return 0;
 458 }
 459
 460 static int cap_task_kill(struct task_struct *p, struct siginfo *info,
 461                          int sig, u32 secid)
 462 {
 463         return 0;
 464 }
 465
 466 static void cap_task_to_inode(struct task_struct *p, struct inode *inode)
 467 {
 468 }
 469
 470 static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
 471 {
 472         return 0;
 473 }
 474
 475 static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
 476 {
 477         *secid = 0;
 478 }
 479
 480 static int cap_msg_msg_alloc_security(struct msg_msg *msg)
 481 {
 482         return 0;
 483 }
 484
 485 static void cap_msg_msg_free_security(struct msg_msg *msg)
 486 {
 487 }
 488
 489 static int cap_msg_queue_alloc_security(struct msg_queue *msq)
 490 {
 491         return 0;
 492 }
 493
 494 static void cap_msg_queue_free_security(struct msg_queue *msq)
 495 {
 496 }
 497
 498 static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg)
 499 {
 500         return 0;
 501 }
 502
 503 static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd)
 504 {
 505         return 0;
 506 }
 507
 508 static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
 509                                 int msgflg)
 510 {
 511         return 0;
 512 }
 513
 514 static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
 515                                 struct task_struct *target, long type, int mode)
 516 {
 517         return 0;
 518 }
 519
 520 static int cap_shm_alloc_security(struct shmid_kernel *shp)
 521 {
 522         return 0;
 523 }
 524
 525 static void cap_shm_free_security(struct shmid_kernel *shp)
 526 {
 527 }
 528
 529 static int cap_shm_associate(struct shmid_kernel *shp, int shmflg)
 530 {
 531         return 0;
 532 }
 533
 534 static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd)
 535 {
 536         return 0;
 537 }
 538
 539 static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr,
 540                          int shmflg)
 541 {
 542         return 0;
 543 }
 544
 545 static int cap_sem_alloc_security(struct sem_array *sma)
 546 {
 547         return 0;
 548 }
 549
 550 static void cap_sem_free_security(struct sem_array *sma)
 551 {
 552 }
 553
 554 static int cap_sem_associate(struct sem_array *sma, int semflg)
 555 {
 556         return 0;
 557 }
 558
 559 static int cap_sem_semctl(struct sem_array *sma, int cmd)
 560 {
 561         return 0;
 562 }
 563
 564 static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops,
 565                          unsigned nsops, int alter)
 566 {
 567         return 0;
 568 }
 569
 570 #ifdef CONFIG_SECURITY_NETWORK
 571 static int cap_unix_stream_connect(struct sock *sock, struct sock *other,
 572                                    struct sock *newsk)
 573 {
 574         return 0;
 575 }
 576
 577 static int cap_unix_may_send(struct socket *sock, struct socket *other)
 578 {
 579         return 0;
 580 }
 581
 582 static int cap_socket_create(int family, int type, int protocol, int kern)
 583 {
 584         return 0;
 585 }
 586
 587 static int cap_socket_post_create(struct socket *sock, int family, int type,
 588                                   int protocol, int kern)
 589 {
 590         return 0;
 591 }
 592
 593 static int cap_socket_bind(struct socket *sock, struct sockaddr *address,
 594                            int addrlen)
 595 {
 596         return 0;
 597 }
 598
 599 static int cap_socket_connect(struct socket *sock, struct sockaddr *address,
 600                               int addrlen)
 601 {
 602         return 0;
 603 }
 604
 605 static int cap_socket_listen(struct socket *sock, int backlog)
 606 {
 607         return 0;
 608 }
 609
 610 static int cap_socket_accept(struct socket *sock, struct socket *newsock)
 611 {
 612         return 0;
 613 }
 614
 615 static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
 616 {
 617         return 0;
 618 }
 619
 620 static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg,
 621                               int size, int flags)
 622 {
 623         return 0;
 624 }
 625
 626 static int cap_socket_getsockname(struct socket *sock)
 627 {
 628         return 0;
 629 }
 630
 631 static int cap_socket_getpeername(struct socket *sock)
 632 {
 633         return 0;
 634 }
 635
 636 static int cap_socket_setsockopt(struct socket *sock, int level, int optname)
 637 {
 638         return 0;
 639 }
 640
 641 static int cap_socket_getsockopt(struct socket *sock, int level, int optname)
 642 {
 643         return 0;
 644 }
 645
 646 static int cap_socket_shutdown(struct socket *sock, int how)
 647 {
 648         return 0;
 649 }
 650
 651 static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
 652 {
 653         return 0;
 654 }
 655
 656 static int cap_socket_getpeersec_stream(struct socket *sock,
 657                                         char __user *optval,
 658                                         int __user *optlen, unsigned len)
 659 {
 660         return -ENOPROTOOPT;
 661 }
 662
 663 static int cap_socket_getpeersec_dgram(struct socket *sock,
 664                                        struct sk_buff *skb, u32 *secid)
 665 {
 666         return -ENOPROTOOPT;
 667 }
 668
 669 static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority)
 670 {
 671         return 0;
 672 }
 673
 674 static void cap_sk_free_security(struct sock *sk)
 675 {
 676 }
 677
 678 static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk)
 679 {
 680 }
 681
 682 static void cap_sk_getsecid(struct sock *sk, u32 *secid)
 683 {
 684 }
 685
 686 static void cap_sock_graft(struct sock *sk, struct socket *parent)
 687 {
 688 }
 689
 690 static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb,
 691                                  struct request_sock *req)
 692 {
 693         return 0;
 694 }
 695
 696 static void cap_inet_csk_clone(struct sock *newsk,
 697                                const struct request_sock *req)
 698 {
 699 }
 700
 701 static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb)
 702 {
 703 }
 704
 705 static int cap_secmark_relabel_packet(u32 secid)
 706 {
 707         return 0;
 708 }
 709
 710 static void cap_secmark_refcount_inc(void)
 711 {
 712 }
 713
 714 static void cap_secmark_refcount_dec(void)
 715 {
 716 }
 717
 718 static void cap_req_classify_flow(const struct request_sock *req,
 719                                   struct flowi *fl)
 720 {
 721 }
 722
 723 static int cap_tun_dev_alloc_security(void **security)
 724 {
 725         return 0;
 726 }
 727
 728 static void cap_tun_dev_free_security(void *security)
 729 {
 730 }
 731
 732 static int cap_tun_dev_create(void)
 733 {
 734         return 0;
 735 }
 736
 737 static int cap_tun_dev_attach_queue(void *security)
 738 {
 739         return 0;
 740 }
 741
 742 static int cap_tun_dev_attach(struct sock *sk, void *security)
 743 {
 744         return 0;
 745 }
 746
 747 static int cap_tun_dev_open(void *security)
 748 {
 749         return 0;
 750 }
 751
 752 static void cap_skb_owned_by(struct sk_buff *skb, struct sock *sk)
 753 {
 754 }
 755
 756 #endif  /* CONFIG_SECURITY_NETWORK */
 757
 758 #ifdef CONFIG_SECURITY_NETWORK_XFRM
 759 static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp,
 760                                           struct xfrm_user_sec_ctx *sec_ctx,
 761                                           gfp_t gfp)
 762 {
 763         return 0;
 764 }
 765
 766 static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx,
 767                                           struct xfrm_sec_ctx **new_ctxp)
 768 {
 769         return 0;
 770 }
 771
 772 static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx)
 773 {
 774 }
 775
 776 static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx)
 777 {
 778         return 0;
 779 }
 780
 781 static int cap_xfrm_state_alloc(struct xfrm_state *x,
 782                                 struct xfrm_user_sec_ctx *sec_ctx)
 783 {
 784         return 0;
 785 }
 786
 787 static int cap_xfrm_state_alloc_acquire(struct xfrm_state *x,
 788                                         struct xfrm_sec_ctx *polsec,
 789                                         u32 secid)
 790 {
 791         return 0;
 792 }
 793
 794 static void cap_xfrm_state_free_security(struct xfrm_state *x)
 795 {
 796 }
 797
 798 static int cap_xfrm_state_delete_security(struct xfrm_state *x)
 799 {
 800         return 0;
 801 }
 802
 803 static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir)
 804 {
 805         return 0;
 806 }
 807
 808 static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x,
 809                                          struct xfrm_policy *xp,
 810                                          const struct flowi *fl)
 811 {
 812         return 1;
 813 }
 814
 815 static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall)
 816 {
 817         return 0;
 818 }
 819
 820 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
 821 static void cap_d_instantiate(struct dentry *dentry, struct inode *inode)
 822 {
 823 }
 824
 825 static int cap_getprocattr(struct task_struct *p, char *name, char **value)
 826 {
 827         return -EINVAL;
 828 }
 829
 830 static int cap_setprocattr(struct task_struct *p, char *name, void *value,
 831                            size_t size)
 832 {
 833         return -EINVAL;
 834 }
 835
 836 static int cap_ismaclabel(const char *name)
 837 {
 838         return 0;
 839 }
 840
 841 static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
 842 {
 843         return -EOPNOTSUPP;
 844 }
 845
 846 static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
 847 {
 848         *secid = 0;
 849         return 0;
 850 }
 851
 852 static void cap_release_secctx(char *secdata, u32 seclen)
 853 {
 854 }
 855
 856 static int cap_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
 857 {
 858         return 0;
 859 }
 860
 861 static int cap_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
 862 {
 863         return 0;
 864 }
 865
 866 static int cap_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
 867 {
 868         return -EOPNOTSUPP;
 869 }
 870 #ifdef CONFIG_KEYS
 871 static int cap_key_alloc(struct key *key, const struct cred *cred,
 872                          unsigned long flags)
 873 {
 874         return 0;
 875 }
 876
 877 static void cap_key_free(struct key *key)
 878 {
 879 }
 880
 881 static int cap_key_permission(key_ref_t key_ref, const struct cred *cred,
 882                               key_perm_t perm)
 883 {
 884         return 0;
 885 }
 886
 887 static int cap_key_getsecurity(struct key *key, char **_buffer)
 888 {
 889         *_buffer = NULL;
 890         return 0;
 891 }
 892
 893 #endif /* CONFIG_KEYS */
 894
 895 #ifdef CONFIG_AUDIT
 896 static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
 897 {
 898         return 0;
 899 }
 900
 901 static int cap_audit_rule_known(struct audit_krule *krule)
 902 {
 903         return 0;
 904 }
 905
 906 static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
 907                                 struct audit_context *actx)
 908 {
 909         return 0;
 910 }
 911
 912 static void cap_audit_rule_free(void *lsmrule)
 913 {
 914 }
 915 #endif /* CONFIG_AUDIT */
 916
 917 #define set_to_cap_if_null(ops, function)                               \
 918         do {                                                            \
 919                 if (!ops->function) {                                   \
 920                         ops->function = cap_##function;                 \
 921                         pr_debug("Had to override the " #function       \
 922                                  " security operation with the default.\n");\
 923                         }                                               \
 924         } while (0)
 925
 926 void __init security_fixup_ops(struct security_operations *ops)
 927 {
 928         set_to_cap_if_null(ops, ptrace_access_check);
 929         set_to_cap_if_null(ops, ptrace_traceme);
 930         set_to_cap_if_null(ops, capget);
 931         set_to_cap_if_null(ops, capset);
 932         set_to_cap_if_null(ops, capable);
 933         set_to_cap_if_null(ops, quotactl);
 934         set_to_cap_if_null(ops, quota_on);
 935         set_to_cap_if_null(ops, syslog);
 936         set_to_cap_if_null(ops, settime);
 937         set_to_cap_if_null(ops, vm_enough_memory);
 938         set_to_cap_if_null(ops, bprm_set_creds);
 939         set_to_cap_if_null(ops, bprm_committing_creds);
 940         set_to_cap_if_null(ops, bprm_committed_creds);
 941         set_to_cap_if_null(ops, bprm_check_security);
 942         set_to_cap_if_null(ops, bprm_secureexec);
 943         set_to_cap_if_null(ops, sb_alloc_security);
 944         set_to_cap_if_null(ops, sb_free_security);
 945         set_to_cap_if_null(ops, sb_copy_data);
 946         set_to_cap_if_null(ops, sb_remount);
 947         set_to_cap_if_null(ops, sb_kern_mount);
 948         set_to_cap_if_null(ops, sb_show_options);
 949         set_to_cap_if_null(ops, sb_statfs);
 950         set_to_cap_if_null(ops, sb_mount);
 951         set_to_cap_if_null(ops, sb_umount);
 952         set_to_cap_if_null(ops, sb_pivotroot);
 953         set_to_cap_if_null(ops, sb_set_mnt_opts);
 954         set_to_cap_if_null(ops, sb_clone_mnt_opts);
 955         set_to_cap_if_null(ops, sb_parse_opts_str);
 956         set_to_cap_if_null(ops, dentry_init_security);
 957         set_to_cap_if_null(ops, inode_alloc_security);
 958         set_to_cap_if_null(ops, inode_free_security);
 959         set_to_cap_if_null(ops, inode_init_security);
 960         set_to_cap_if_null(ops, inode_create);
 961         set_to_cap_if_null(ops, inode_link);
 962         set_to_cap_if_null(ops, inode_unlink);
 963         set_to_cap_if_null(ops, inode_symlink);
 964         set_to_cap_if_null(ops, inode_mkdir);
 965         set_to_cap_if_null(ops, inode_rmdir);
 966         set_to_cap_if_null(ops, inode_mknod);
 967         set_to_cap_if_null(ops, inode_rename);
 968         set_to_cap_if_null(ops, inode_readlink);
 969         set_to_cap_if_null(ops, inode_follow_link);
 970         set_to_cap_if_null(ops, inode_permission);
 971         set_to_cap_if_null(ops, inode_setattr);
 972         set_to_cap_if_null(ops, inode_getattr);
 973         set_to_cap_if_null(ops, inode_setxattr);
 974         set_to_cap_if_null(ops, inode_post_setxattr);
 975         set_to_cap_if_null(ops, inode_getxattr);
 976         set_to_cap_if_null(ops, inode_listxattr);
 977         set_to_cap_if_null(ops, inode_removexattr);
 978         set_to_cap_if_null(ops, inode_need_killpriv);
 979         set_to_cap_if_null(ops, inode_killpriv);
 980         set_to_cap_if_null(ops, inode_getsecurity);
 981         set_to_cap_if_null(ops, inode_setsecurity);
 982         set_to_cap_if_null(ops, inode_listsecurity);
 983         set_to_cap_if_null(ops, inode_getsecid);
 984 #ifdef CONFIG_SECURITY_PATH
 985         set_to_cap_if_null(ops, path_mknod);
 986         set_to_cap_if_null(ops, path_mkdir);
 987         set_to_cap_if_null(ops, path_rmdir);
 988         set_to_cap_if_null(ops, path_unlink);
 989         set_to_cap_if_null(ops, path_symlink);
 990         set_to_cap_if_null(ops, path_link);
 991         set_to_cap_if_null(ops, path_rename);
 992         set_to_cap_if_null(ops, path_truncate);
 993         set_to_cap_if_null(ops, path_chmod);
 994         set_to_cap_if_null(ops, path_chown);
 995         set_to_cap_if_null(ops, path_chroot);
 996 #endif
 997         set_to_cap_if_null(ops, file_permission);
 998         set_to_cap_if_null(ops, file_alloc_security);
 999         set_to_cap_if_null(ops, file_free_security);
1000         set_to_cap_if_null(ops, file_ioctl);
1001         set_to_cap_if_null(ops, mmap_addr);
1002         set_to_cap_if_null(ops, mmap_file);
1003         set_to_cap_if_null(ops, file_mprotect);
1004         set_to_cap_if_null(ops, file_lock);
1005         set_to_cap_if_null(ops, file_fcntl);
1006         set_to_cap_if_null(ops, file_set_fowner);
1007         set_to_cap_if_null(ops, file_send_sigiotask);
1008         set_to_cap_if_null(ops, file_receive);
1009         set_to_cap_if_null(ops, file_open);
1010         set_to_cap_if_null(ops, task_create);
1011         set_to_cap_if_null(ops, task_free);
1012         set_to_cap_if_null(ops, cred_alloc_blank);
1013         set_to_cap_if_null(ops, cred_free);
1014         set_to_cap_if_null(ops, cred_prepare);
1015         set_to_cap_if_null(ops, cred_transfer);
1016         set_to_cap_if_null(ops, kernel_act_as);
1017         set_to_cap_if_null(ops, kernel_create_files_as);
1018         set_to_cap_if_null(ops, kernel_module_request);
1019         set_to_cap_if_null(ops, kernel_module_from_file);
1020         set_to_cap_if_null(ops, task_fix_setuid);
1021         set_to_cap_if_null(ops, task_setpgid);
1022         set_to_cap_if_null(ops, task_getpgid);
1023         set_to_cap_if_null(ops, task_getsid);
1024         set_to_cap_if_null(ops, task_getsecid);
1025         set_to_cap_if_null(ops, task_setnice);
1026         set_to_cap_if_null(ops, task_setioprio);
1027         set_to_cap_if_null(ops, task_getioprio);
1028         set_to_cap_if_null(ops, task_setrlimit);
1029         set_to_cap_if_null(ops, task_setscheduler);
1030         set_to_cap_if_null(ops, task_getscheduler);
1031         set_to_cap_if_null(ops, task_movememory);
1032         set_to_cap_if_null(ops, task_wait);
1033         set_to_cap_if_null(ops, task_kill);
1034         set_to_cap_if_null(ops, task_prctl);
1035         set_to_cap_if_null(ops, task_to_inode);
1036         set_to_cap_if_null(ops, ipc_permission);
1037         set_to_cap_if_null(ops, ipc_getsecid);
1038         set_to_cap_if_null(ops, msg_msg_alloc_security);
1039         set_to_cap_if_null(ops, msg_msg_free_security);
1040         set_to_cap_if_null(ops, msg_queue_alloc_security);
1041         set_to_cap_if_null(ops, msg_queue_free_security);
1042         set_to_cap_if_null(ops, msg_queue_associate);
1043         set_to_cap_if_null(ops, msg_queue_msgctl);
1044         set_to_cap_if_null(ops, msg_queue_msgsnd);
1045         set_to_cap_if_null(ops, msg_queue_msgrcv);
1046         set_to_cap_if_null(ops, shm_alloc_security);
1047         set_to_cap_if_null(ops, shm_free_security);
1048         set_to_cap_if_null(ops, shm_associate);
1049         set_to_cap_if_null(ops, shm_shmctl);
1050         set_to_cap_if_null(ops, shm_shmat);
1051         set_to_cap_if_null(ops, sem_alloc_security);
1052         set_to_cap_if_null(ops, sem_free_security);
1053         set_to_cap_if_null(ops, sem_associate);
1054         set_to_cap_if_null(ops, sem_semctl);
1055         set_to_cap_if_null(ops, sem_semop);
1056         set_to_cap_if_null(ops, netlink_send);
1057         set_to_cap_if_null(ops, d_instantiate);
1058         set_to_cap_if_null(ops, getprocattr);
1059         set_to_cap_if_null(ops, setprocattr);
1060         set_to_cap_if_null(ops, ismaclabel);
1061         set_to_cap_if_null(ops, secid_to_secctx);
1062         set_to_cap_if_null(ops, secctx_to_secid);
1063         set_to_cap_if_null(ops, release_secctx);
1064         set_to_cap_if_null(ops, inode_notifysecctx);
1065         set_to_cap_if_null(ops, inode_setsecctx);
1066         set_to_cap_if_null(ops, inode_getsecctx);
1067 #ifdef CONFIG_SECURITY_NETWORK
1068         set_to_cap_if_null(ops, unix_stream_connect);
1069         set_to_cap_if_null(ops, unix_may_send);
1070         set_to_cap_if_null(ops, socket_create);
1071         set_to_cap_if_null(ops, socket_post_create);
1072         set_to_cap_if_null(ops, socket_bind);
1073         set_to_cap_if_null(ops, socket_connect);
1074         set_to_cap_if_null(ops, socket_listen);
1075         set_to_cap_if_null(ops, socket_accept);
1076         set_to_cap_if_null(ops, socket_sendmsg);
1077         set_to_cap_if_null(ops, socket_recvmsg);
1078         set_to_cap_if_null(ops, socket_getsockname);
1079         set_to_cap_if_null(ops, socket_getpeername);
1080         set_to_cap_if_null(ops, socket_setsockopt);
1081         set_to_cap_if_null(ops, socket_getsockopt);
1082         set_to_cap_if_null(ops, socket_shutdown);
1083         set_to_cap_if_null(ops, socket_sock_rcv_skb);
1084         set_to_cap_if_null(ops, socket_getpeersec_stream);
1085         set_to_cap_if_null(ops, socket_getpeersec_dgram);
1086         set_to_cap_if_null(ops, sk_alloc_security);
1087         set_to_cap_if_null(ops, sk_free_security);
1088         set_to_cap_if_null(ops, sk_clone_security);
1089         set_to_cap_if_null(ops, sk_getsecid);
1090         set_to_cap_if_null(ops, sock_graft);
1091         set_to_cap_if_null(ops, inet_conn_request);
1092         set_to_cap_if_null(ops, inet_csk_clone);
1093         set_to_cap_if_null(ops, inet_conn_established);
1094         set_to_cap_if_null(ops, secmark_relabel_packet);
1095         set_to_cap_if_null(ops, secmark_refcount_inc);
1096         set_to_cap_if_null(ops, secmark_refcount_dec);
1097         set_to_cap_if_null(ops, req_classify_flow);
1098         set_to_cap_if_null(ops, tun_dev_alloc_security);
1099         set_to_cap_if_null(ops, tun_dev_free_security);
1100         set_to_cap_if_null(ops, tun_dev_create);
1101         set_to_cap_if_null(ops, tun_dev_open);
1102         set_to_cap_if_null(ops, tun_dev_attach_queue);
1103         set_to_cap_if_null(ops, tun_dev_attach);
1104         set_to_cap_if_null(ops, skb_owned_by);
1105 #endif  /* CONFIG_SECURITY_NETWORK */
1106 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1107         set_to_cap_if_null(ops, xfrm_policy_alloc_security);
1108         set_to_cap_if_null(ops, xfrm_policy_clone_security);
1109         set_to_cap_if_null(ops, xfrm_policy_free_security);
1110         set_to_cap_if_null(ops, xfrm_policy_delete_security);
1111         set_to_cap_if_null(ops, xfrm_state_alloc);
1112         set_to_cap_if_null(ops, xfrm_state_alloc_acquire);
1113         set_to_cap_if_null(ops, xfrm_state_free_security);
1114         set_to_cap_if_null(ops, xfrm_state_delete_security);
1115         set_to_cap_if_null(ops, xfrm_policy_lookup);
1116         set_to_cap_if_null(ops, xfrm_state_pol_flow_match);
1117         set_to_cap_if_null(ops, xfrm_decode_session);
1118 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1119 #ifdef CONFIG_KEYS
1120         set_to_cap_if_null(ops, key_alloc);
1121         set_to_cap_if_null(ops, key_free);
1122         set_to_cap_if_null(ops, key_permission);
1123         set_to_cap_if_null(ops, key_getsecurity);
1124 #endif  /* CONFIG_KEYS */
1125 #ifdef CONFIG_AUDIT
1126         set_to_cap_if_null(ops, audit_rule_init);
1127         set_to_cap_if_null(ops, audit_rule_known);
1128         set_to_cap_if_null(ops, audit_rule_match);
1129         set_to_cap_if_null(ops, audit_rule_free);
1130 #endif
1131 }