Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Loading...
   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
/*
 *  Capabilities Linux Security Module
 *
 *  This is the default security module in case no other module is loaded.
 *
 *	This program is free software; you can redistribute it and/or modify
 *	it under the terms of the GNU General Public License as published by
 *	the Free Software Foundation; either version 2 of the License, or
 *	(at your option) any later version.
 *
 */

#include <linux/security.h>

static int cap_syslog(int type)
{
	return 0;
}

static int cap_quotactl(int cmds, int type, int id, struct super_block *sb)
{
	return 0;
}

static int cap_quota_on(struct dentry *dentry)
{
	return 0;
}

static int cap_bprm_check_security(struct linux_binprm *bprm)
{
	return 0;
}

static void cap_bprm_committing_creds(struct linux_binprm *bprm)
{
}

static void cap_bprm_committed_creds(struct linux_binprm *bprm)
{
}

static int cap_sb_alloc_security(struct super_block *sb)
{
	return 0;
}

static void cap_sb_free_security(struct super_block *sb)
{
}

static int cap_sb_copy_data(char *orig, char *copy)
{
	return 0;
}

static int cap_sb_remount(struct super_block *sb, void *data)
{
	return 0;
}

static int cap_sb_kern_mount(struct super_block *sb, int flags, void *data)
{
	return 0;
}

static int cap_sb_show_options(struct seq_file *m, struct super_block *sb)
{
	return 0;
}

static int cap_sb_statfs(struct dentry *dentry)
{
	return 0;
}

static int cap_sb_mount(const char *dev_name, struct path *path,
			const char *type, unsigned long flags, void *data)
{
	return 0;
}

static int cap_sb_umount(struct vfsmount *mnt, int flags)
{
	return 0;
}

static int cap_sb_pivotroot(struct path *old_path, struct path *new_path)
{
	return 0;
}

static int cap_sb_set_mnt_opts(struct super_block *sb,
			       struct security_mnt_opts *opts,
			       unsigned long kern_flags,
			       unsigned long *set_kern_flags)

{
	if (unlikely(opts->num_mnt_opts))
		return -EOPNOTSUPP;
	return 0;
}

static int cap_sb_clone_mnt_opts(const struct super_block *oldsb,
				  struct super_block *newsb)
{
	return 0;
}

static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
{
	return 0;
}

static int cap_dentry_init_security(struct dentry *dentry, int mode,
					struct qstr *name, void **ctx,
					u32 *ctxlen)
{
	return -EOPNOTSUPP;
}

static int cap_inode_alloc_security(struct inode *inode)
{
	return 0;
}

static void cap_inode_free_security(struct inode *inode)
{
}

static int cap_inode_init_security(struct inode *inode, struct inode *dir,
				   const struct qstr *qstr, const char **name,
				   void **value, size_t *len)
{
	return -EOPNOTSUPP;
}

static int cap_inode_create(struct inode *inode, struct dentry *dentry,
			    umode_t mask)
{
	return 0;
}

static int cap_inode_link(struct dentry *old_dentry, struct inode *inode,
			  struct dentry *new_dentry)
{
	return 0;
}

static int cap_inode_unlink(struct inode *inode, struct dentry *dentry)
{
	return 0;
}

static int cap_inode_symlink(struct inode *inode, struct dentry *dentry,
			     const char *name)
{
	return 0;
}

static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry,
			   umode_t mask)
{
	return 0;
}

static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry)
{
	return 0;
}

static int cap_inode_mknod(struct inode *inode, struct dentry *dentry,
			   umode_t mode, dev_t dev)
{
	return 0;
}

static int cap_inode_rename(struct inode *old_inode, struct dentry *old_dentry,
			    struct inode *new_inode, struct dentry *new_dentry)
{
	return 0;
}

static int cap_inode_readlink(struct dentry *dentry)
{
	return 0;
}

static int cap_inode_follow_link(struct dentry *dentry,
				 struct nameidata *nameidata)
{
	return 0;
}

static int cap_inode_permission(struct inode *inode, int mask)
{
	return 0;
}

static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr)
{
	return 0;
}

static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
{
	return 0;
}

static void cap_inode_post_setxattr(struct dentry *dentry, const char *name,
				    const void *value, size_t size, int flags)
{
}

static int cap_inode_getxattr(struct dentry *dentry, const char *name)
{
	return 0;
}

static int cap_inode_listxattr(struct dentry *dentry)
{
	return 0;
}

static int cap_inode_getsecurity(const struct inode *inode, const char *name,
				 void **buffer, bool alloc)
{
	return -EOPNOTSUPP;
}

static int cap_inode_setsecurity(struct inode *inode, const char *name,
				 const void *value, size_t size, int flags)
{
	return -EOPNOTSUPP;
}

static int cap_inode_listsecurity(struct inode *inode, char *buffer,
				  size_t buffer_size)
{
	return 0;
}

static void cap_inode_getsecid(const struct inode *inode, u32 *secid)
{
	*secid = 0;
}

#ifdef CONFIG_SECURITY_PATH
static int cap_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
			  unsigned int dev)
{
	return 0;
}

static int cap_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
{
	return 0;
}

static int cap_path_rmdir(struct path *dir, struct dentry *dentry)
{
	return 0;
}

static int cap_path_unlink(struct path *dir, struct dentry *dentry)
{
	return 0;
}

static int cap_path_symlink(struct path *dir, struct dentry *dentry,
			    const char *old_name)
{
	return 0;
}

static int cap_path_link(struct dentry *old_dentry, struct path *new_dir,
			 struct dentry *new_dentry)
{
	return 0;
}

static int cap_path_rename(struct path *old_path, struct dentry *old_dentry,
			   struct path *new_path, struct dentry *new_dentry)
{
	return 0;
}

static int cap_path_truncate(struct path *path)
{
	return 0;
}

static int cap_path_chmod(struct path *path, umode_t mode)
{
	return 0;
}

static int cap_path_chown(struct path *path, kuid_t uid, kgid_t gid)
{
	return 0;
}

static int cap_path_chroot(struct path *root)
{
	return 0;
}
#endif

static int cap_file_permission(struct file *file, int mask)
{
	return 0;
}

static int cap_file_alloc_security(struct file *file)
{
	return 0;
}

static void cap_file_free_security(struct file *file)
{
}

static int cap_file_ioctl(struct file *file, unsigned int command,
			  unsigned long arg)
{
	return 0;
}

static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
			     unsigned long prot)
{
	return 0;
}

static int cap_file_lock(struct file *file, unsigned int cmd)
{
	return 0;
}

static int cap_file_fcntl(struct file *file, unsigned int cmd,
			  unsigned long arg)
{
	return 0;
}

static void cap_file_set_fowner(struct file *file)
{
	return;
}

static int cap_file_send_sigiotask(struct task_struct *tsk,
				   struct fown_struct *fown, int sig)
{
	return 0;
}

static int cap_file_receive(struct file *file)
{
	return 0;
}

static int cap_file_open(struct file *file, const struct cred *cred)
{
	return 0;
}

static int cap_task_create(unsigned long clone_flags)
{
	return 0;
}

static void cap_task_free(struct task_struct *task)
{
}

static int cap_cred_alloc_blank(struct cred *cred, gfp_t gfp)
{
	return 0;
}

static void cap_cred_free(struct cred *cred)
{
}

static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp)
{
	return 0;
}

static void cap_cred_transfer(struct cred *new, const struct cred *old)
{
}

static int cap_kernel_act_as(struct cred *new, u32 secid)
{
	return 0;
}

static int cap_kernel_create_files_as(struct cred *new, struct inode *inode)
{
	return 0;
}

static int cap_kernel_fw_from_file(struct file *file, char *buf, size_t size)
{
	return 0;
}

static int cap_kernel_module_request(char *kmod_name)
{
	return 0;
}

static int cap_kernel_module_from_file(struct file *file)
{
	return 0;
}

static int cap_task_setpgid(struct task_struct *p, pid_t pgid)
{
	return 0;
}

static int cap_task_getpgid(struct task_struct *p)
{
	return 0;
}

static int cap_task_getsid(struct task_struct *p)
{
	return 0;
}

static void cap_task_getsecid(struct task_struct *p, u32 *secid)
{
	*secid = 0;
}

static int cap_task_getioprio(struct task_struct *p)
{
	return 0;
}

static int cap_task_setrlimit(struct task_struct *p, unsigned int resource,
		struct rlimit *new_rlim)
{
	return 0;
}

static int cap_task_getscheduler(struct task_struct *p)
{
	return 0;
}

static int cap_task_movememory(struct task_struct *p)
{
	return 0;
}

static int cap_task_wait(struct task_struct *p)
{
	return 0;
}

static int cap_task_kill(struct task_struct *p, struct siginfo *info,
			 int sig, u32 secid)
{
	return 0;
}

static void cap_task_to_inode(struct task_struct *p, struct inode *inode)
{
}

static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
{
	return 0;
}

static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
{
	*secid = 0;
}

static int cap_msg_msg_alloc_security(struct msg_msg *msg)
{
	return 0;
}

static void cap_msg_msg_free_security(struct msg_msg *msg)
{
}

static int cap_msg_queue_alloc_security(struct msg_queue *msq)
{
	return 0;
}

static void cap_msg_queue_free_security(struct msg_queue *msq)
{
}

static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg)
{
	return 0;
}

static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd)
{
	return 0;
}

static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
				int msgflg)
{
	return 0;
}

static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
				struct task_struct *target, long type, int mode)
{
	return 0;
}

static int cap_shm_alloc_security(struct shmid_kernel *shp)
{
	return 0;
}

static void cap_shm_free_security(struct shmid_kernel *shp)
{
}

static int cap_shm_associate(struct shmid_kernel *shp, int shmflg)
{
	return 0;
}

static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd)
{
	return 0;
}

static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr,
			 int shmflg)
{
	return 0;
}

static int cap_sem_alloc_security(struct sem_array *sma)
{
	return 0;
}

static void cap_sem_free_security(struct sem_array *sma)
{
}

static int cap_sem_associate(struct sem_array *sma, int semflg)
{
	return 0;
}

static int cap_sem_semctl(struct sem_array *sma, int cmd)
{
	return 0;
}

static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops,
			 unsigned nsops, int alter)
{
	return 0;
}

#ifdef CONFIG_SECURITY_NETWORK
static int cap_unix_stream_connect(struct sock *sock, struct sock *other,
				   struct sock *newsk)
{
	return 0;
}

static int cap_unix_may_send(struct socket *sock, struct socket *other)
{
	return 0;
}

static int cap_socket_create(int family, int type, int protocol, int kern)
{
	return 0;
}

static int cap_socket_post_create(struct socket *sock, int family, int type,
				  int protocol, int kern)
{
	return 0;
}

static int cap_socket_bind(struct socket *sock, struct sockaddr *address,
			   int addrlen)
{
	return 0;
}

static int cap_socket_connect(struct socket *sock, struct sockaddr *address,
			      int addrlen)
{
	return 0;
}

static int cap_socket_listen(struct socket *sock, int backlog)
{
	return 0;
}

static int cap_socket_accept(struct socket *sock, struct socket *newsock)
{
	return 0;
}

static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
{
	return 0;
}

static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg,
			      int size, int flags)
{
	return 0;
}

static int cap_socket_getsockname(struct socket *sock)
{
	return 0;
}

static int cap_socket_getpeername(struct socket *sock)
{
	return 0;
}

static int cap_socket_setsockopt(struct socket *sock, int level, int optname)
{
	return 0;
}

static int cap_socket_getsockopt(struct socket *sock, int level, int optname)
{
	return 0;
}

static int cap_socket_shutdown(struct socket *sock, int how)
{
	return 0;
}

static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
{
	return 0;
}

static int cap_socket_getpeersec_stream(struct socket *sock,
					char __user *optval,
					int __user *optlen, unsigned len)
{
	return -ENOPROTOOPT;
}

static int cap_socket_getpeersec_dgram(struct socket *sock,
				       struct sk_buff *skb, u32 *secid)
{
	return -ENOPROTOOPT;
}

static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority)
{
	return 0;
}

static void cap_sk_free_security(struct sock *sk)
{
}

static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk)
{
}

static void cap_sk_getsecid(struct sock *sk, u32 *secid)
{
}

static void cap_sock_graft(struct sock *sk, struct socket *parent)
{
}

static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb,
				 struct request_sock *req)
{
	return 0;
}

static void cap_inet_csk_clone(struct sock *newsk,
			       const struct request_sock *req)
{
}

static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb)
{
}

static int cap_secmark_relabel_packet(u32 secid)
{
	return 0;
}

static void cap_secmark_refcount_inc(void)
{
}

static void cap_secmark_refcount_dec(void)
{
}

static void cap_req_classify_flow(const struct request_sock *req,
				  struct flowi *fl)
{
}

static int cap_tun_dev_alloc_security(void **security)
{
	return 0;
}

static void cap_tun_dev_free_security(void *security)
{
}

static int cap_tun_dev_create(void)
{
	return 0;
}

static int cap_tun_dev_attach_queue(void *security)
{
	return 0;
}

static int cap_tun_dev_attach(struct sock *sk, void *security)
{
	return 0;
}

static int cap_tun_dev_open(void *security)
{
	return 0;
}

static void cap_skb_owned_by(struct sk_buff *skb, struct sock *sk)
{
}

#endif	/* CONFIG_SECURITY_NETWORK */

#ifdef CONFIG_SECURITY_NETWORK_XFRM
static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp,
					  struct xfrm_user_sec_ctx *sec_ctx,
					  gfp_t gfp)
{
	return 0;
}

static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx,
					  struct xfrm_sec_ctx **new_ctxp)
{
	return 0;
}

static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx)
{
}

static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx)
{
	return 0;
}

static int cap_xfrm_state_alloc(struct xfrm_state *x,
				struct xfrm_user_sec_ctx *sec_ctx)
{
	return 0;
}

static int cap_xfrm_state_alloc_acquire(struct xfrm_state *x,
					struct xfrm_sec_ctx *polsec,
					u32 secid)
{
	return 0;
}

static void cap_xfrm_state_free_security(struct xfrm_state *x)
{
}

static int cap_xfrm_state_delete_security(struct xfrm_state *x)
{
	return 0;
}

static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir)
{
	return 0;
}

static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x,
					 struct xfrm_policy *xp,
					 const struct flowi *fl)
{
	return 1;
}

static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall)
{
	return 0;
}

#endif /* CONFIG_SECURITY_NETWORK_XFRM */
static void cap_d_instantiate(struct dentry *dentry, struct inode *inode)
{
}

static int cap_getprocattr(struct task_struct *p, char *name, char **value)
{
	return -EINVAL;
}

static int cap_setprocattr(struct task_struct *p, char *name, void *value,
			   size_t size)
{
	return -EINVAL;
}

static int cap_ismaclabel(const char *name)
{
	return 0;
}

static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
{
	return -EOPNOTSUPP;
}

static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
{
	*secid = 0;
	return 0;
}

static void cap_release_secctx(char *secdata, u32 seclen)
{
}

static int cap_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
{
	return 0;
}

static int cap_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
{
	return 0;
}

static int cap_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
{
	return -EOPNOTSUPP;
}
#ifdef CONFIG_KEYS
static int cap_key_alloc(struct key *key, const struct cred *cred,
			 unsigned long flags)
{
	return 0;
}

static void cap_key_free(struct key *key)
{
}

static int cap_key_permission(key_ref_t key_ref, const struct cred *cred,
			      unsigned perm)
{
	return 0;
}

static int cap_key_getsecurity(struct key *key, char **_buffer)
{
	*_buffer = NULL;
	return 0;
}

#endif /* CONFIG_KEYS */

#ifdef CONFIG_AUDIT
static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
{
	return 0;
}

static int cap_audit_rule_known(struct audit_krule *krule)
{
	return 0;
}

static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
				struct audit_context *actx)
{
	return 0;
}

static void cap_audit_rule_free(void *lsmrule)
{
}
#endif /* CONFIG_AUDIT */

#define set_to_cap_if_null(ops, function)				\
	do {								\
		if (!ops->function) {					\
			ops->function = cap_##function;			\
			pr_debug("Had to override the " #function	\
				 " security operation with the default.\n");\
			}						\
	} while (0)

void __init security_fixup_ops(struct security_operations *ops)
{
	set_to_cap_if_null(ops, ptrace_access_check);
	set_to_cap_if_null(ops, ptrace_traceme);
	set_to_cap_if_null(ops, capget);
	set_to_cap_if_null(ops, capset);
	set_to_cap_if_null(ops, capable);
	set_to_cap_if_null(ops, quotactl);
	set_to_cap_if_null(ops, quota_on);
	set_to_cap_if_null(ops, syslog);
	set_to_cap_if_null(ops, settime);
	set_to_cap_if_null(ops, vm_enough_memory);
	set_to_cap_if_null(ops, bprm_set_creds);
	set_to_cap_if_null(ops, bprm_committing_creds);
	set_to_cap_if_null(ops, bprm_committed_creds);
	set_to_cap_if_null(ops, bprm_check_security);
	set_to_cap_if_null(ops, bprm_secureexec);
	set_to_cap_if_null(ops, sb_alloc_security);
	set_to_cap_if_null(ops, sb_free_security);
	set_to_cap_if_null(ops, sb_copy_data);
	set_to_cap_if_null(ops, sb_remount);
	set_to_cap_if_null(ops, sb_kern_mount);
	set_to_cap_if_null(ops, sb_show_options);
	set_to_cap_if_null(ops, sb_statfs);
	set_to_cap_if_null(ops, sb_mount);
	set_to_cap_if_null(ops, sb_umount);
	set_to_cap_if_null(ops, sb_pivotroot);
	set_to_cap_if_null(ops, sb_set_mnt_opts);
	set_to_cap_if_null(ops, sb_clone_mnt_opts);
	set_to_cap_if_null(ops, sb_parse_opts_str);
	set_to_cap_if_null(ops, dentry_init_security);
	set_to_cap_if_null(ops, inode_alloc_security);
	set_to_cap_if_null(ops, inode_free_security);
	set_to_cap_if_null(ops, inode_init_security);
	set_to_cap_if_null(ops, inode_create);
	set_to_cap_if_null(ops, inode_link);
	set_to_cap_if_null(ops, inode_unlink);
	set_to_cap_if_null(ops, inode_symlink);
	set_to_cap_if_null(ops, inode_mkdir);
	set_to_cap_if_null(ops, inode_rmdir);
	set_to_cap_if_null(ops, inode_mknod);
	set_to_cap_if_null(ops, inode_rename);
	set_to_cap_if_null(ops, inode_readlink);
	set_to_cap_if_null(ops, inode_follow_link);
	set_to_cap_if_null(ops, inode_permission);
	set_to_cap_if_null(ops, inode_setattr);
	set_to_cap_if_null(ops, inode_getattr);
	set_to_cap_if_null(ops, inode_setxattr);
	set_to_cap_if_null(ops, inode_post_setxattr);
	set_to_cap_if_null(ops, inode_getxattr);
	set_to_cap_if_null(ops, inode_listxattr);
	set_to_cap_if_null(ops, inode_removexattr);
	set_to_cap_if_null(ops, inode_need_killpriv);
	set_to_cap_if_null(ops, inode_killpriv);
	set_to_cap_if_null(ops, inode_getsecurity);
	set_to_cap_if_null(ops, inode_setsecurity);
	set_to_cap_if_null(ops, inode_listsecurity);
	set_to_cap_if_null(ops, inode_getsecid);
#ifdef CONFIG_SECURITY_PATH
	set_to_cap_if_null(ops, path_mknod);
	set_to_cap_if_null(ops, path_mkdir);
	set_to_cap_if_null(ops, path_rmdir);
	set_to_cap_if_null(ops, path_unlink);
	set_to_cap_if_null(ops, path_symlink);
	set_to_cap_if_null(ops, path_link);
	set_to_cap_if_null(ops, path_rename);
	set_to_cap_if_null(ops, path_truncate);
	set_to_cap_if_null(ops, path_chmod);
	set_to_cap_if_null(ops, path_chown);
	set_to_cap_if_null(ops, path_chroot);
#endif
	set_to_cap_if_null(ops, file_permission);
	set_to_cap_if_null(ops, file_alloc_security);
	set_to_cap_if_null(ops, file_free_security);
	set_to_cap_if_null(ops, file_ioctl);
	set_to_cap_if_null(ops, mmap_addr);
	set_to_cap_if_null(ops, mmap_file);
	set_to_cap_if_null(ops, file_mprotect);
	set_to_cap_if_null(ops, file_lock);
	set_to_cap_if_null(ops, file_fcntl);
	set_to_cap_if_null(ops, file_set_fowner);
	set_to_cap_if_null(ops, file_send_sigiotask);
	set_to_cap_if_null(ops, file_receive);
	set_to_cap_if_null(ops, file_open);
	set_to_cap_if_null(ops, task_create);
	set_to_cap_if_null(ops, task_free);
	set_to_cap_if_null(ops, cred_alloc_blank);
	set_to_cap_if_null(ops, cred_free);
	set_to_cap_if_null(ops, cred_prepare);
	set_to_cap_if_null(ops, cred_transfer);
	set_to_cap_if_null(ops, kernel_act_as);
	set_to_cap_if_null(ops, kernel_create_files_as);
	set_to_cap_if_null(ops, kernel_fw_from_file);
	set_to_cap_if_null(ops, kernel_module_request);
	set_to_cap_if_null(ops, kernel_module_from_file);
	set_to_cap_if_null(ops, task_fix_setuid);
	set_to_cap_if_null(ops, task_setpgid);
	set_to_cap_if_null(ops, task_getpgid);
	set_to_cap_if_null(ops, task_getsid);
	set_to_cap_if_null(ops, task_getsecid);
	set_to_cap_if_null(ops, task_setnice);
	set_to_cap_if_null(ops, task_setioprio);
	set_to_cap_if_null(ops, task_getioprio);
	set_to_cap_if_null(ops, task_setrlimit);
	set_to_cap_if_null(ops, task_setscheduler);
	set_to_cap_if_null(ops, task_getscheduler);
	set_to_cap_if_null(ops, task_movememory);
	set_to_cap_if_null(ops, task_wait);
	set_to_cap_if_null(ops, task_kill);
	set_to_cap_if_null(ops, task_prctl);
	set_to_cap_if_null(ops, task_to_inode);
	set_to_cap_if_null(ops, ipc_permission);
	set_to_cap_if_null(ops, ipc_getsecid);
	set_to_cap_if_null(ops, msg_msg_alloc_security);
	set_to_cap_if_null(ops, msg_msg_free_security);
	set_to_cap_if_null(ops, msg_queue_alloc_security);
	set_to_cap_if_null(ops, msg_queue_free_security);
	set_to_cap_if_null(ops, msg_queue_associate);
	set_to_cap_if_null(ops, msg_queue_msgctl);
	set_to_cap_if_null(ops, msg_queue_msgsnd);
	set_to_cap_if_null(ops, msg_queue_msgrcv);
	set_to_cap_if_null(ops, shm_alloc_security);
	set_to_cap_if_null(ops, shm_free_security);
	set_to_cap_if_null(ops, shm_associate);
	set_to_cap_if_null(ops, shm_shmctl);
	set_to_cap_if_null(ops, shm_shmat);
	set_to_cap_if_null(ops, sem_alloc_security);
	set_to_cap_if_null(ops, sem_free_security);
	set_to_cap_if_null(ops, sem_associate);
	set_to_cap_if_null(ops, sem_semctl);
	set_to_cap_if_null(ops, sem_semop);
	set_to_cap_if_null(ops, netlink_send);
	set_to_cap_if_null(ops, d_instantiate);
	set_to_cap_if_null(ops, getprocattr);
	set_to_cap_if_null(ops, setprocattr);
	set_to_cap_if_null(ops, ismaclabel);
	set_to_cap_if_null(ops, secid_to_secctx);
	set_to_cap_if_null(ops, secctx_to_secid);
	set_to_cap_if_null(ops, release_secctx);
	set_to_cap_if_null(ops, inode_notifysecctx);
	set_to_cap_if_null(ops, inode_setsecctx);
	set_to_cap_if_null(ops, inode_getsecctx);
#ifdef CONFIG_SECURITY_NETWORK
	set_to_cap_if_null(ops, unix_stream_connect);
	set_to_cap_if_null(ops, unix_may_send);
	set_to_cap_if_null(ops, socket_create);
	set_to_cap_if_null(ops, socket_post_create);
	set_to_cap_if_null(ops, socket_bind);
	set_to_cap_if_null(ops, socket_connect);
	set_to_cap_if_null(ops, socket_listen);
	set_to_cap_if_null(ops, socket_accept);
	set_to_cap_if_null(ops, socket_sendmsg);
	set_to_cap_if_null(ops, socket_recvmsg);
	set_to_cap_if_null(ops, socket_getsockname);
	set_to_cap_if_null(ops, socket_getpeername);
	set_to_cap_if_null(ops, socket_setsockopt);
	set_to_cap_if_null(ops, socket_getsockopt);
	set_to_cap_if_null(ops, socket_shutdown);
	set_to_cap_if_null(ops, socket_sock_rcv_skb);
	set_to_cap_if_null(ops, socket_getpeersec_stream);
	set_to_cap_if_null(ops, socket_getpeersec_dgram);
	set_to_cap_if_null(ops, sk_alloc_security);
	set_to_cap_if_null(ops, sk_free_security);
	set_to_cap_if_null(ops, sk_clone_security);
	set_to_cap_if_null(ops, sk_getsecid);
	set_to_cap_if_null(ops, sock_graft);
	set_to_cap_if_null(ops, inet_conn_request);
	set_to_cap_if_null(ops, inet_csk_clone);
	set_to_cap_if_null(ops, inet_conn_established);
	set_to_cap_if_null(ops, secmark_relabel_packet);
	set_to_cap_if_null(ops, secmark_refcount_inc);
	set_to_cap_if_null(ops, secmark_refcount_dec);
	set_to_cap_if_null(ops, req_classify_flow);
	set_to_cap_if_null(ops, tun_dev_alloc_security);
	set_to_cap_if_null(ops, tun_dev_free_security);
	set_to_cap_if_null(ops, tun_dev_create);
	set_to_cap_if_null(ops, tun_dev_open);
	set_to_cap_if_null(ops, tun_dev_attach_queue);
	set_to_cap_if_null(ops, tun_dev_attach);
	set_to_cap_if_null(ops, skb_owned_by);
#endif	/* CONFIG_SECURITY_NETWORK */
#ifdef CONFIG_SECURITY_NETWORK_XFRM
	set_to_cap_if_null(ops, xfrm_policy_alloc_security);
	set_to_cap_if_null(ops, xfrm_policy_clone_security);
	set_to_cap_if_null(ops, xfrm_policy_free_security);
	set_to_cap_if_null(ops, xfrm_policy_delete_security);
	set_to_cap_if_null(ops, xfrm_state_alloc);
	set_to_cap_if_null(ops, xfrm_state_alloc_acquire);
	set_to_cap_if_null(ops, xfrm_state_free_security);
	set_to_cap_if_null(ops, xfrm_state_delete_security);
	set_to_cap_if_null(ops, xfrm_policy_lookup);
	set_to_cap_if_null(ops, xfrm_state_pol_flow_match);
	set_to_cap_if_null(ops, xfrm_decode_session);
#endif	/* CONFIG_SECURITY_NETWORK_XFRM */
#ifdef CONFIG_KEYS
	set_to_cap_if_null(ops, key_alloc);
	set_to_cap_if_null(ops, key_free);
	set_to_cap_if_null(ops, key_permission);
	set_to_cap_if_null(ops, key_getsecurity);
#endif	/* CONFIG_KEYS */
#ifdef CONFIG_AUDIT
	set_to_cap_if_null(ops, audit_rule_init);
	set_to_cap_if_null(ops, audit_rule_known);
	set_to_cap_if_null(ops, audit_rule_match);
	set_to_cap_if_null(ops, audit_rule_free);
#endif
}