security/security.c

   1 /*
   2  * Security plug functions
   3  *
   4  * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
   5  * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com>
   6  * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
   7  *
   8  *      This program is free software; you can redistribute it and/or modify
   9  *      it under the terms of the GNU General Public License as published by
  10  *      the Free Software Foundation; either version 2 of the License, or
  11  *      (at your option) any later version.
  12  */
  13
  14 #include <linux/capability.h>
  15 #include <linux/dcache.h>
  16 #include <linux/module.h>
  17 #include <linux/init.h>
  18 #include <linux/kernel.h>
  19 #include <linux/lsm_hooks.h>
  20 #include <linux/integrity.h>
  21 #include <linux/ima.h>
  22 #include <linux/evm.h>
  23 #include <linux/fsnotify.h>
  24 #include <linux/mman.h>
  25 #include <linux/mount.h>
  26 #include <linux/personality.h>
  27 #include <linux/backing-dev.h>
  28 #include <net/flow.h>
  29
  30 #define MAX_LSM_EVM_XATTR       2
  31
  32 /* Maximum number of letters for an LSM name string */
  33 #define SECURITY_NAME_MAX       10
  34
  35 /* Boot-time LSM user choice */
  36 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
  37         CONFIG_DEFAULT_SECURITY;
  38
  39 static void __init do_security_initcalls(void)
  40 {
  41         initcall_t *call;
  42         call = __security_initcall_start;
  43         while (call < __security_initcall_end) {
  44                 (*call) ();
  45                 call++;
  46         }
  47 }
  48
  49 /**
  50  * security_init - initializes the security framework
  51  *
  52  * This should be called early in the kernel initialization sequence.
  53  */
  54 int __init security_init(void)
  55 {
  56         pr_info("Security Framework initialized\n");
  57
  58         /*
  59          * Always load the capability module.
  60          */
  61         capability_add_hooks();
  62 #ifdef CONFIG_SECURITY_YAMA_STACKED
  63         /*
  64          * If Yama is configured for stacking load it next.
  65          */
  66         yama_add_hooks();
  67 #endif
  68         /*
  69          * Load the chosen module if there is one.
  70          * This will also find yama if it is stacking
  71          */
  72         do_security_initcalls();
  73
  74         return 0;
  75 }
  76
  77 /* Save user chosen LSM */
  78 static int __init choose_lsm(char *str)
  79 {
  80         strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
  81         return 1;
  82 }
  83 __setup("security=", choose_lsm);
  84
  85 /**
  86  * security_module_enable - Load given security module on boot ?
  87  * @module: the name of the module
  88  *
  89  * Each LSM must pass this method before registering its own operations
  90  * to avoid security registration races. This method may also be used
  91  * to check if your LSM is currently loaded during kernel initialization.
  92  *
  93  * Return true if:
  94  *      -The passed LSM is the one chosen by user at boot time,
  95  *      -or the passed LSM is configured as the default and the user did not
  96  *       choose an alternate LSM at boot time.
  97  * Otherwise, return false.
  98  */
  99 int __init security_module_enable(const char *module)
 100 {
 101         return !strcmp(module, chosen_lsm);
 102 }
 103
 104 /*
 105  * Hook list operation macros.
 106  *
 107  * call_void_hook:
 108  *      This is a hook that does not return a value.
 109  *
 110  * call_int_hook:
 111  *      This is a hook that returns a value.
 112  */
 113
 114 #define call_void_hook(FUNC, ...)                               \
 115         do {                                                    \
 116                 struct security_hook_list *P;                   \
 117                                                                 \
 118                 list_for_each_entry(P, &security_hook_heads.FUNC, list) \
 119                         P->hook.FUNC(__VA_ARGS__);              \
 120         } while (0)
 121
 122 #define call_int_hook(FUNC, IRC, ...) ({                        \
 123         int RC = IRC;                                           \
 124         do {                                                    \
 125                 struct security_hook_list *P;                   \
 126                                                                 \
 127                 list_for_each_entry(P, &security_hook_heads.FUNC, list) { \
 128                         RC = P->hook.FUNC(__VA_ARGS__);         \
 129                         if (RC != 0)                            \
 130                                 break;                          \
 131                 }                                               \
 132         } while (0);                                            \
 133         RC;                                                     \
 134 })
 135
 136 /* Security operations */
 137
 138 int security_binder_set_context_mgr(struct task_struct *mgr)
 139 {
 140         return call_int_hook(binder_set_context_mgr, 0, mgr);
 141 }
 142
 143 int security_binder_transaction(struct task_struct *from,
 144                                 struct task_struct *to)
 145 {
 146         return call_int_hook(binder_transaction, 0, from, to);
 147 }
 148
 149 int security_binder_transfer_binder(struct task_struct *from,
 150                                     struct task_struct *to)
 151 {
 152         return call_int_hook(binder_transfer_binder, 0, from, to);
 153 }
 154
 155 int security_binder_transfer_file(struct task_struct *from,
 156                                   struct task_struct *to, struct file *file)
 157 {
 158         return call_int_hook(binder_transfer_file, 0, from, to, file);
 159 }
 160
 161 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
 162 {
 163         return call_int_hook(ptrace_access_check, 0, child, mode);
 164 }
 165
 166 int security_ptrace_traceme(struct task_struct *parent)
 167 {
 168         return call_int_hook(ptrace_traceme, 0, parent);
 169 }
 170
 171 int security_capget(struct task_struct *target,
 172                      kernel_cap_t *effective,
 173                      kernel_cap_t *inheritable,
 174                      kernel_cap_t *permitted)
 175 {
 176         return call_int_hook(capget, 0, target,
 177                                 effective, inheritable, permitted);
 178 }
 179
 180 int security_capset(struct cred *new, const struct cred *old,
 181                     const kernel_cap_t *effective,
 182                     const kernel_cap_t *inheritable,
 183                     const kernel_cap_t *permitted)
 184 {
 185         return call_int_hook(capset, 0, new, old,
 186                                 effective, inheritable, permitted);
 187 }
 188
 189 int security_capable(const struct cred *cred, struct user_namespace *ns,
 190                      int cap)
 191 {
 192         return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT);
 193 }
 194
 195 int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
 196                              int cap)
 197 {
 198         return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT);
 199 }
 200
 201 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
 202 {
 203         return call_int_hook(quotactl, 0, cmds, type, id, sb);
 204 }
 205
 206 int security_quota_on(struct dentry *dentry)
 207 {
 208         return call_int_hook(quota_on, 0, dentry);
 209 }
 210
 211 int security_syslog(int type)
 212 {
 213         return call_int_hook(syslog, 0, type);
 214 }
 215
 216 int security_settime(const struct timespec *ts, const struct timezone *tz)
 217 {
 218         return call_int_hook(settime, 0, ts, tz);
 219 }
 220
 221 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
 222 {
 223         struct security_hook_list *hp;
 224         int cap_sys_admin = 1;
 225         int rc;
 226
 227         /*
 228          * The module will respond with a positive value if
 229          * it thinks the __vm_enough_memory() call should be
 230          * made with the cap_sys_admin set. If all of the modules
 231          * agree that it should be set it will. If any module
 232          * thinks it should not be set it won't.
 233          */
 234         list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) {
 235                 rc = hp->hook.vm_enough_memory(mm, pages);
 236                 if (rc <= 0) {
 237                         cap_sys_admin = 0;
 238                         break;
 239                 }
 240         }
 241         return __vm_enough_memory(mm, pages, cap_sys_admin);
 242 }
 243
 244 int security_bprm_set_creds(struct linux_binprm *bprm)
 245 {
 246         return call_int_hook(bprm_set_creds, 0, bprm);
 247 }
 248
 249 int security_bprm_check(struct linux_binprm *bprm)
 250 {
 251         int ret;
 252
 253         ret = call_int_hook(bprm_check_security, 0, bprm);
 254         if (ret)
 255                 return ret;
 256         return ima_bprm_check(bprm);
 257 }
 258
 259 void security_bprm_committing_creds(struct linux_binprm *bprm)
 260 {
 261         call_void_hook(bprm_committing_creds, bprm);
 262 }
 263
 264 void security_bprm_committed_creds(struct linux_binprm *bprm)
 265 {
 266         call_void_hook(bprm_committed_creds, bprm);
 267 }
 268
 269 int security_bprm_secureexec(struct linux_binprm *bprm)
 270 {
 271         return call_int_hook(bprm_secureexec, 0, bprm);
 272 }
 273
 274 int security_sb_alloc(struct super_block *sb)
 275 {
 276         return call_int_hook(sb_alloc_security, 0, sb);
 277 }
 278
 279 void security_sb_free(struct super_block *sb)
 280 {
 281         call_void_hook(sb_free_security, sb);
 282 }
 283
 284 int security_sb_copy_data(char *orig, char *copy)
 285 {
 286         return call_int_hook(sb_copy_data, 0, orig, copy);
 287 }
 288 EXPORT_SYMBOL(security_sb_copy_data);
 289
 290 int security_sb_remount(struct super_block *sb, void *data)
 291 {
 292         return call_int_hook(sb_remount, 0, sb, data);
 293 }
 294
 295 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
 296 {
 297         return call_int_hook(sb_kern_mount, 0, sb, flags, data);
 298 }
 299
 300 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
 301 {
 302         return call_int_hook(sb_show_options, 0, m, sb);
 303 }
 304
 305 int security_sb_statfs(struct dentry *dentry)
 306 {
 307         return call_int_hook(sb_statfs, 0, dentry);
 308 }
 309
 310 int security_sb_mount(const char *dev_name, struct path *path,
 311                        const char *type, unsigned long flags, void *data)
 312 {
 313         return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data);
 314 }
 315
 316 int security_sb_umount(struct vfsmount *mnt, int flags)
 317 {
 318         return call_int_hook(sb_umount, 0, mnt, flags);
 319 }
 320
 321 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
 322 {
 323         return call_int_hook(sb_pivotroot, 0, old_path, new_path);
 324 }
 325
 326 int security_sb_set_mnt_opts(struct super_block *sb,
 327                                 struct security_mnt_opts *opts,
 328                                 unsigned long kern_flags,
 329                                 unsigned long *set_kern_flags)
 330 {
 331         return call_int_hook(sb_set_mnt_opts,
 332                                 opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb,
 333                                 opts, kern_flags, set_kern_flags);
 334 }
 335 EXPORT_SYMBOL(security_sb_set_mnt_opts);
 336
 337 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
 338                                 struct super_block *newsb)
 339 {
 340         return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb);
 341 }
 342 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
 343
 344 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
 345 {
 346         return call_int_hook(sb_parse_opts_str, 0, options, opts);
 347 }
 348 EXPORT_SYMBOL(security_sb_parse_opts_str);
 349
 350 int security_inode_alloc(struct inode *inode)
 351 {
 352         inode->i_security = NULL;
 353         return call_int_hook(inode_alloc_security, 0, inode);
 354 }
 355
 356 void security_inode_free(struct inode *inode)
 357 {
 358         integrity_inode_free(inode);
 359         call_void_hook(inode_free_security, inode);
 360 }
 361
 362 int security_dentry_init_security(struct dentry *dentry, int mode,
 363                                         struct qstr *name, void **ctx,
 364                                         u32 *ctxlen)
 365 {
 366         return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode,
 367                                 name, ctx, ctxlen);
 368 }
 369 EXPORT_SYMBOL(security_dentry_init_security);
 370
 371 int security_inode_init_security(struct inode *inode, struct inode *dir,
 372                                  const struct qstr *qstr,
 373                                  const initxattrs initxattrs, void *fs_data)
 374 {
 375         struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
 376         struct xattr *lsm_xattr, *evm_xattr, *xattr;
 377         int ret;
 378
 379         if (unlikely(IS_PRIVATE(inode)))
 380                 return 0;
 381
 382         if (!initxattrs)
 383                 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode,
 384                                      dir, qstr, NULL, NULL, NULL);
 385         memset(new_xattrs, 0, sizeof(new_xattrs));
 386         lsm_xattr = new_xattrs;
 387         ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr,
 388                                                 &lsm_xattr->name,
 389                                                 &lsm_xattr->value,
 390                                                 &lsm_xattr->value_len);
 391         if (ret)
 392                 goto out;
 393
 394         evm_xattr = lsm_xattr + 1;
 395         ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
 396         if (ret)
 397                 goto out;
 398         ret = initxattrs(inode, new_xattrs, fs_data);
 399 out:
 400         for (xattr = new_xattrs; xattr->value != NULL; xattr++)
 401                 kfree(xattr->value);
 402         return (ret == -EOPNOTSUPP) ? 0 : ret;
 403 }
 404 EXPORT_SYMBOL(security_inode_init_security);
 405
 406 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
 407                                      const struct qstr *qstr, const char **name,
 408                                      void **value, size_t *len)
 409 {
 410         if (unlikely(IS_PRIVATE(inode)))
 411                 return -EOPNOTSUPP;
 412         return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir,
 413                              qstr, name, value, len);
 414 }
 415 EXPORT_SYMBOL(security_old_inode_init_security);
 416
 417 #ifdef CONFIG_SECURITY_PATH
 418 int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
 419                         unsigned int dev)
 420 {
 421         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 422                 return 0;
 423         return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
 424 }
 425 EXPORT_SYMBOL(security_path_mknod);
 426
 427 int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
 428 {
 429         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 430                 return 0;
 431         return call_int_hook(path_mkdir, 0, dir, dentry, mode);
 432 }
 433 EXPORT_SYMBOL(security_path_mkdir);
 434
 435 int security_path_rmdir(struct path *dir, struct dentry *dentry)
 436 {
 437         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 438                 return 0;
 439         return call_int_hook(path_rmdir, 0, dir, dentry);
 440 }
 441
 442 int security_path_unlink(struct path *dir, struct dentry *dentry)
 443 {
 444         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 445                 return 0;
 446         return call_int_hook(path_unlink, 0, dir, dentry);
 447 }
 448 EXPORT_SYMBOL(security_path_unlink);
 449
 450 int security_path_symlink(struct path *dir, struct dentry *dentry,
 451                           const char *old_name)
 452 {
 453         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 454                 return 0;
 455         return call_int_hook(path_symlink, 0, dir, dentry, old_name);
 456 }
 457
 458 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
 459                        struct dentry *new_dentry)
 460 {
 461         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
 462                 return 0;
 463         return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
 464 }
 465
 466 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
 467                          struct path *new_dir, struct dentry *new_dentry,
 468                          unsigned int flags)
 469 {
 470         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
 471                      (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
 472                 return 0;
 473
 474         if (flags & RENAME_EXCHANGE) {
 475                 int err = call_int_hook(path_rename, 0, new_dir, new_dentry,
 476                                         old_dir, old_dentry);
 477                 if (err)
 478                         return err;
 479         }
 480
 481         return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
 482                                 new_dentry);
 483 }
 484 EXPORT_SYMBOL(security_path_rename);
 485
 486 int security_path_truncate(struct path *path)
 487 {
 488         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
 489                 return 0;
 490         return call_int_hook(path_truncate, 0, path);
 491 }
 492
 493 int security_path_chmod(struct path *path, umode_t mode)
 494 {
 495         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
 496                 return 0;
 497         return call_int_hook(path_chmod, 0, path, mode);
 498 }
 499
 500 int security_path_chown(struct path *path, kuid_t uid, kgid_t gid)
 501 {
 502         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
 503                 return 0;
 504         return call_int_hook(path_chown, 0, path, uid, gid);
 505 }
 506
 507 int security_path_chroot(struct path *path)
 508 {
 509         return call_int_hook(path_chroot, 0, path);
 510 }
 511 #endif
 512
 513 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
 514 {
 515         if (unlikely(IS_PRIVATE(dir)))
 516                 return 0;
 517         return call_int_hook(inode_create, 0, dir, dentry, mode);
 518 }
 519 EXPORT_SYMBOL_GPL(security_inode_create);
 520
 521 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
 522                          struct dentry *new_dentry)
 523 {
 524         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
 525                 return 0;
 526         return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
 527 }
 528
 529 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
 530 {
 531         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 532                 return 0;
 533         return call_int_hook(inode_unlink, 0, dir, dentry);
 534 }
 535
 536 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
 537                             const char *old_name)
 538 {
 539         if (unlikely(IS_PRIVATE(dir)))
 540                 return 0;
 541         return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
 542 }
 543
 544 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 545 {
 546         if (unlikely(IS_PRIVATE(dir)))
 547                 return 0;
 548         return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
 549 }
 550 EXPORT_SYMBOL_GPL(security_inode_mkdir);
 551
 552 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
 553 {
 554         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 555                 return 0;
 556         return call_int_hook(inode_rmdir, 0, dir, dentry);
 557 }
 558
 559 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
 560 {
 561         if (unlikely(IS_PRIVATE(dir)))
 562                 return 0;
 563         return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
 564 }
 565
 566 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
 567                            struct inode *new_dir, struct dentry *new_dentry,
 568                            unsigned int flags)
 569 {
 570         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
 571             (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
 572                 return 0;
 573
 574         if (flags & RENAME_EXCHANGE) {
 575                 int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
 576                                                      old_dir, old_dentry);
 577                 if (err)
 578                         return err;
 579         }
 580
 581         return call_int_hook(inode_rename, 0, old_dir, old_dentry,
 582                                            new_dir, new_dentry);
 583 }
 584
 585 int security_inode_readlink(struct dentry *dentry)
 586 {
 587         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 588                 return 0;
 589         return call_int_hook(inode_readlink, 0, dentry);
 590 }
 591
 592 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
 593                                bool rcu)
 594 {
 595         if (unlikely(IS_PRIVATE(inode)))
 596                 return 0;
 597         return call_int_hook(inode_follow_link, 0, dentry, inode, rcu);
 598 }
 599
 600 int security_inode_permission(struct inode *inode, int mask)
 601 {
 602         if (unlikely(IS_PRIVATE(inode)))
 603                 return 0;
 604         return call_int_hook(inode_permission, 0, inode, mask);
 605 }
 606
 607 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
 608 {
 609         int ret;
 610
 611         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 612                 return 0;
 613         ret = call_int_hook(inode_setattr, 0, dentry, attr);
 614         if (ret)
 615                 return ret;
 616         return evm_inode_setattr(dentry, attr);
 617 }
 618 EXPORT_SYMBOL_GPL(security_inode_setattr);
 619
 620 int security_inode_getattr(const struct path *path)
 621 {
 622         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
 623                 return 0;
 624         return call_int_hook(inode_getattr, 0, path);
 625 }
 626
 627 int security_inode_setxattr(struct dentry *dentry, const char *name,
 628                             const void *value, size_t size, int flags)
 629 {
 630         int ret;
 631
 632         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 633                 return 0;
 634         /*
 635          * SELinux and Smack integrate the cap call,
 636          * so assume that all LSMs supplying this call do so.
 637          */
 638         ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size,
 639                                 flags);
 640
 641         if (ret == 1)
 642                 ret = cap_inode_setxattr(dentry, name, value, size, flags);
 643         if (ret)
 644                 return ret;
 645         ret = ima_inode_setxattr(dentry, name, value, size);
 646         if (ret)
 647                 return ret;
 648         return evm_inode_setxattr(dentry, name, value, size);
 649 }
 650
 651 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
 652                                   const void *value, size_t size, int flags)
 653 {
 654         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 655                 return;
 656         call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
 657         evm_inode_post_setxattr(dentry, name, value, size);
 658 }
 659
 660 int security_inode_getxattr(struct dentry *dentry, const char *name)
 661 {
 662         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 663                 return 0;
 664         return call_int_hook(inode_getxattr, 0, dentry, name);
 665 }
 666
 667 int security_inode_listxattr(struct dentry *dentry)
 668 {
 669         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 670                 return 0;
 671         return call_int_hook(inode_listxattr, 0, dentry);
 672 }
 673
 674 int security_inode_removexattr(struct dentry *dentry, const char *name)
 675 {
 676         int ret;
 677
 678         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 679                 return 0;
 680         /*
 681          * SELinux and Smack integrate the cap call,
 682          * so assume that all LSMs supplying this call do so.
 683          */
 684         ret = call_int_hook(inode_removexattr, 1, dentry, name);
 685         if (ret == 1)
 686                 ret = cap_inode_removexattr(dentry, name);
 687         if (ret)
 688                 return ret;
 689         ret = ima_inode_removexattr(dentry, name);
 690         if (ret)
 691                 return ret;
 692         return evm_inode_removexattr(dentry, name);
 693 }
 694
 695 int security_inode_need_killpriv(struct dentry *dentry)
 696 {
 697         return call_int_hook(inode_need_killpriv, 0, dentry);
 698 }
 699
 700 int security_inode_killpriv(struct dentry *dentry)
 701 {
 702         return call_int_hook(inode_killpriv, 0, dentry);
 703 }
 704
 705 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
 706 {
 707         if (unlikely(IS_PRIVATE(inode)))
 708                 return -EOPNOTSUPP;
 709         return call_int_hook(inode_getsecurity, -EOPNOTSUPP, inode, name,
 710                                 buffer, alloc);
 711 }
 712
 713 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
 714 {
 715         if (unlikely(IS_PRIVATE(inode)))
 716                 return -EOPNOTSUPP;
 717         return call_int_hook(inode_setsecurity, -EOPNOTSUPP, inode, name,
 718                                 value, size, flags);
 719 }
 720
 721 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
 722 {
 723         if (unlikely(IS_PRIVATE(inode)))
 724                 return 0;
 725         return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
 726 }
 727 EXPORT_SYMBOL(security_inode_listsecurity);
 728
 729 void security_inode_getsecid(const struct inode *inode, u32 *secid)
 730 {
 731         call_void_hook(inode_getsecid, inode, secid);
 732 }
 733
 734 int security_file_permission(struct file *file, int mask)
 735 {
 736         int ret;
 737
 738         ret = call_int_hook(file_permission, 0, file, mask);
 739         if (ret)
 740                 return ret;
 741
 742         return fsnotify_perm(file, mask);
 743 }
 744
 745 int security_file_alloc(struct file *file)
 746 {
 747         return call_int_hook(file_alloc_security, 0, file);
 748 }
 749
 750 void security_file_free(struct file *file)
 751 {
 752         call_void_hook(file_free_security, file);
 753 }
 754
 755 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 756 {
 757         return call_int_hook(file_ioctl, 0, file, cmd, arg);
 758 }
 759
 760 static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
 761 {
 762         /*
 763          * Does we have PROT_READ and does the application expect
 764          * it to imply PROT_EXEC?  If not, nothing to talk about...
 765          */
 766         if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ)
 767                 return prot;
 768         if (!(current->personality & READ_IMPLIES_EXEC))
 769                 return prot;
 770         /*
 771          * if that's an anonymous mapping, let it.
 772          */
 773         if (!file)
 774                 return prot | PROT_EXEC;
 775         /*
 776          * ditto if it's not on noexec mount, except that on !MMU we need
 777          * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
 778          */
 779         if (!path_noexec(&file->f_path)) {
 780 #ifndef CONFIG_MMU
 781                 if (file->f_op->mmap_capabilities) {
 782                         unsigned caps = file->f_op->mmap_capabilities(file);
 783                         if (!(caps & NOMMU_MAP_EXEC))
 784                                 return prot;
 785                 }
 786 #endif
 787                 return prot | PROT_EXEC;
 788         }
 789         /* anything on noexec mount won't get PROT_EXEC */
 790         return prot;
 791 }
 792
 793 int security_mmap_file(struct file *file, unsigned long prot,
 794                         unsigned long flags)
 795 {
 796         int ret;
 797         ret = call_int_hook(mmap_file, 0, file, prot,
 798                                         mmap_prot(file, prot), flags);
 799         if (ret)
 800                 return ret;
 801         return ima_file_mmap(file, prot);
 802 }
 803
 804 int security_mmap_addr(unsigned long addr)
 805 {
 806         return call_int_hook(mmap_addr, 0, addr);
 807 }
 808
 809 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
 810                             unsigned long prot)
 811 {
 812         return call_int_hook(file_mprotect, 0, vma, reqprot, prot);
 813 }
 814
 815 int security_file_lock(struct file *file, unsigned int cmd)
 816 {
 817         return call_int_hook(file_lock, 0, file, cmd);
 818 }
 819
 820 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
 821 {
 822         return call_int_hook(file_fcntl, 0, file, cmd, arg);
 823 }
 824
 825 void security_file_set_fowner(struct file *file)
 826 {
 827         call_void_hook(file_set_fowner, file);
 828 }
 829
 830 int security_file_send_sigiotask(struct task_struct *tsk,
 831                                   struct fown_struct *fown, int sig)
 832 {
 833         return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
 834 }
 835
 836 int security_file_receive(struct file *file)
 837 {
 838         return call_int_hook(file_receive, 0, file);
 839 }
 840
 841 int security_file_open(struct file *file, const struct cred *cred)
 842 {
 843         int ret;
 844
 845         ret = call_int_hook(file_open, 0, file, cred);
 846         if (ret)
 847                 return ret;
 848
 849         return fsnotify_perm(file, MAY_OPEN);
 850 }
 851
 852 int security_task_create(unsigned long clone_flags)
 853 {
 854         return call_int_hook(task_create, 0, clone_flags);
 855 }
 856
 857 void security_task_free(struct task_struct *task)
 858 {
 859         call_void_hook(task_free, task);
 860 }
 861
 862 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
 863 {
 864         return call_int_hook(cred_alloc_blank, 0, cred, gfp);
 865 }
 866
 867 void security_cred_free(struct cred *cred)
 868 {
 869         call_void_hook(cred_free, cred);
 870 }
 871
 872 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
 873 {
 874         return call_int_hook(cred_prepare, 0, new, old, gfp);
 875 }
 876
 877 void security_transfer_creds(struct cred *new, const struct cred *old)
 878 {
 879         call_void_hook(cred_transfer, new, old);
 880 }
 881
 882 int security_kernel_act_as(struct cred *new, u32 secid)
 883 {
 884         return call_int_hook(kernel_act_as, 0, new, secid);
 885 }
 886
 887 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
 888 {
 889         return call_int_hook(kernel_create_files_as, 0, new, inode);
 890 }
 891
 892 int security_kernel_fw_from_file(struct file *file, char *buf, size_t size)
 893 {
 894         int ret;
 895
 896         ret = call_int_hook(kernel_fw_from_file, 0, file, buf, size);
 897         if (ret)
 898                 return ret;
 899         return ima_fw_from_file(file, buf, size);
 900 }
 901 EXPORT_SYMBOL_GPL(security_kernel_fw_from_file);
 902
 903 int security_kernel_module_request(char *kmod_name)
 904 {
 905         return call_int_hook(kernel_module_request, 0, kmod_name);
 906 }
 907
 908 int security_kernel_module_from_file(struct file *file)
 909 {
 910         int ret;
 911
 912         ret = call_int_hook(kernel_module_from_file, 0, file);
 913         if (ret)
 914                 return ret;
 915         return ima_module_check(file);
 916 }
 917
 918 int security_task_fix_setuid(struct cred *new, const struct cred *old,
 919                              int flags)
 920 {
 921         return call_int_hook(task_fix_setuid, 0, new, old, flags);
 922 }
 923
 924 int security_task_setpgid(struct task_struct *p, pid_t pgid)
 925 {
 926         return call_int_hook(task_setpgid, 0, p, pgid);
 927 }
 928
 929 int security_task_getpgid(struct task_struct *p)
 930 {
 931         return call_int_hook(task_getpgid, 0, p);
 932 }
 933
 934 int security_task_getsid(struct task_struct *p)
 935 {
 936         return call_int_hook(task_getsid, 0, p);
 937 }
 938
 939 void security_task_getsecid(struct task_struct *p, u32 *secid)
 940 {
 941         *secid = 0;
 942         call_void_hook(task_getsecid, p, secid);
 943 }
 944 EXPORT_SYMBOL(security_task_getsecid);
 945
 946 int security_task_setnice(struct task_struct *p, int nice)
 947 {
 948         return call_int_hook(task_setnice, 0, p, nice);
 949 }
 950
 951 int security_task_setioprio(struct task_struct *p, int ioprio)
 952 {
 953         return call_int_hook(task_setioprio, 0, p, ioprio);
 954 }
 955
 956 int security_task_getioprio(struct task_struct *p)
 957 {
 958         return call_int_hook(task_getioprio, 0, p);
 959 }
 960
 961 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
 962                 struct rlimit *new_rlim)
 963 {
 964         return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
 965 }
 966
 967 int security_task_setscheduler(struct task_struct *p)
 968 {
 969         return call_int_hook(task_setscheduler, 0, p);
 970 }
 971
 972 int security_task_getscheduler(struct task_struct *p)
 973 {
 974         return call_int_hook(task_getscheduler, 0, p);
 975 }
 976
 977 int security_task_movememory(struct task_struct *p)
 978 {
 979         return call_int_hook(task_movememory, 0, p);
 980 }
 981
 982 int security_task_kill(struct task_struct *p, struct siginfo *info,
 983                         int sig, u32 secid)
 984 {
 985         return call_int_hook(task_kill, 0, p, info, sig, secid);
 986 }
 987
 988 int security_task_wait(struct task_struct *p)
 989 {
 990         return call_int_hook(task_wait, 0, p);
 991 }
 992
 993 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
 994                          unsigned long arg4, unsigned long arg5)
 995 {
 996         int thisrc;
 997         int rc = -ENOSYS;
 998         struct security_hook_list *hp;
 999
1000         list_for_each_entry(hp, &security_hook_heads.task_prctl, list) {
1001                 thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5);
1002                 if (thisrc != -ENOSYS) {
1003                         rc = thisrc;
1004                         if (thisrc != 0)
1005                                 break;
1006                 }
1007         }
1008         return rc;
1009 }
1010
1011 void security_task_to_inode(struct task_struct *p, struct inode *inode)
1012 {
1013         call_void_hook(task_to_inode, p, inode);
1014 }
1015
1016 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
1017 {
1018         return call_int_hook(ipc_permission, 0, ipcp, flag);
1019 }
1020
1021 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1022 {
1023         *secid = 0;
1024         call_void_hook(ipc_getsecid, ipcp, secid);
1025 }
1026
1027 int security_msg_msg_alloc(struct msg_msg *msg)
1028 {
1029         return call_int_hook(msg_msg_alloc_security, 0, msg);
1030 }
1031
1032 void security_msg_msg_free(struct msg_msg *msg)
1033 {
1034         call_void_hook(msg_msg_free_security, msg);
1035 }
1036
1037 int security_msg_queue_alloc(struct msg_queue *msq)
1038 {
1039         return call_int_hook(msg_queue_alloc_security, 0, msq);
1040 }
1041
1042 void security_msg_queue_free(struct msg_queue *msq)
1043 {
1044         call_void_hook(msg_queue_free_security, msq);
1045 }
1046
1047 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
1048 {
1049         return call_int_hook(msg_queue_associate, 0, msq, msqflg);
1050 }
1051
1052 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
1053 {
1054         return call_int_hook(msg_queue_msgctl, 0, msq, cmd);
1055 }
1056
1057 int security_msg_queue_msgsnd(struct msg_queue *msq,
1058                                struct msg_msg *msg, int msqflg)
1059 {
1060         return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg);
1061 }
1062
1063 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
1064                                struct task_struct *target, long type, int mode)
1065 {
1066         return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
1067 }
1068
1069 int security_shm_alloc(struct shmid_kernel *shp)
1070 {
1071         return call_int_hook(shm_alloc_security, 0, shp);
1072 }
1073
1074 void security_shm_free(struct shmid_kernel *shp)
1075 {
1076         call_void_hook(shm_free_security, shp);
1077 }
1078
1079 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
1080 {
1081         return call_int_hook(shm_associate, 0, shp, shmflg);
1082 }
1083
1084 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
1085 {
1086         return call_int_hook(shm_shmctl, 0, shp, cmd);
1087 }
1088
1089 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
1090 {
1091         return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
1092 }
1093
1094 int security_sem_alloc(struct sem_array *sma)
1095 {
1096         return call_int_hook(sem_alloc_security, 0, sma);
1097 }
1098
1099 void security_sem_free(struct sem_array *sma)
1100 {
1101         call_void_hook(sem_free_security, sma);
1102 }
1103
1104 int security_sem_associate(struct sem_array *sma, int semflg)
1105 {
1106         return call_int_hook(sem_associate, 0, sma, semflg);
1107 }
1108
1109 int security_sem_semctl(struct sem_array *sma, int cmd)
1110 {
1111         return call_int_hook(sem_semctl, 0, sma, cmd);
1112 }
1113
1114 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
1115                         unsigned nsops, int alter)
1116 {
1117         return call_int_hook(sem_semop, 0, sma, sops, nsops, alter);
1118 }
1119
1120 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
1121 {
1122         if (unlikely(inode && IS_PRIVATE(inode)))
1123                 return;
1124         call_void_hook(d_instantiate, dentry, inode);
1125 }
1126 EXPORT_SYMBOL(security_d_instantiate);
1127
1128 int security_getprocattr(struct task_struct *p, char *name, char **value)
1129 {
1130         return call_int_hook(getprocattr, -EINVAL, p, name, value);
1131 }
1132
1133 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
1134 {
1135         return call_int_hook(setprocattr, -EINVAL, p, name, value, size);
1136 }
1137
1138 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1139 {
1140         return call_int_hook(netlink_send, 0, sk, skb);
1141 }
1142
1143 int security_ismaclabel(const char *name)
1144 {
1145         return call_int_hook(ismaclabel, 0, name);
1146 }
1147 EXPORT_SYMBOL(security_ismaclabel);
1148
1149 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1150 {
1151         return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
1152                                 seclen);
1153 }
1154 EXPORT_SYMBOL(security_secid_to_secctx);
1155
1156 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1157 {
1158         *secid = 0;
1159         return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
1160 }
1161 EXPORT_SYMBOL(security_secctx_to_secid);
1162
1163 void security_release_secctx(char *secdata, u32 seclen)
1164 {
1165         call_void_hook(release_secctx, secdata, seclen);
1166 }
1167 EXPORT_SYMBOL(security_release_secctx);
1168
1169 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1170 {
1171         return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
1172 }
1173 EXPORT_SYMBOL(security_inode_notifysecctx);
1174
1175 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1176 {
1177         return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
1178 }
1179 EXPORT_SYMBOL(security_inode_setsecctx);
1180
1181 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1182 {
1183         return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
1184 }
1185 EXPORT_SYMBOL(security_inode_getsecctx);
1186
1187 #ifdef CONFIG_SECURITY_NETWORK
1188
1189 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
1190 {
1191         return call_int_hook(unix_stream_connect, 0, sock, other, newsk);
1192 }
1193 EXPORT_SYMBOL(security_unix_stream_connect);
1194
1195 int security_unix_may_send(struct socket *sock,  struct socket *other)
1196 {
1197         return call_int_hook(unix_may_send, 0, sock, other);
1198 }
1199 EXPORT_SYMBOL(security_unix_may_send);
1200
1201 int security_socket_create(int family, int type, int protocol, int kern)
1202 {
1203         return call_int_hook(socket_create, 0, family, type, protocol, kern);
1204 }
1205
1206 int security_socket_post_create(struct socket *sock, int family,
1207                                 int type, int protocol, int kern)
1208 {
1209         return call_int_hook(socket_post_create, 0, sock, family, type,
1210                                                 protocol, kern);
1211 }
1212
1213 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1214 {
1215         return call_int_hook(socket_bind, 0, sock, address, addrlen);
1216 }
1217
1218 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1219 {
1220         return call_int_hook(socket_connect, 0, sock, address, addrlen);
1221 }
1222
1223 int security_socket_listen(struct socket *sock, int backlog)
1224 {
1225         return call_int_hook(socket_listen, 0, sock, backlog);
1226 }
1227
1228 int security_socket_accept(struct socket *sock, struct socket *newsock)
1229 {
1230         return call_int_hook(socket_accept, 0, sock, newsock);
1231 }
1232
1233 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1234 {
1235         return call_int_hook(socket_sendmsg, 0, sock, msg, size);
1236 }
1237
1238 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1239                             int size, int flags)
1240 {
1241         return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
1242 }
1243
1244 int security_socket_getsockname(struct socket *sock)
1245 {
1246         return call_int_hook(socket_getsockname, 0, sock);
1247 }
1248
1249 int security_socket_getpeername(struct socket *sock)
1250 {
1251         return call_int_hook(socket_getpeername, 0, sock);
1252 }
1253
1254 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1255 {
1256         return call_int_hook(socket_getsockopt, 0, sock, level, optname);
1257 }
1258
1259 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1260 {
1261         return call_int_hook(socket_setsockopt, 0, sock, level, optname);
1262 }
1263
1264 int security_socket_shutdown(struct socket *sock, int how)
1265 {
1266         return call_int_hook(socket_shutdown, 0, sock, how);
1267 }
1268
1269 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1270 {
1271         return call_int_hook(socket_sock_rcv_skb, 0, sk, skb);
1272 }
1273 EXPORT_SYMBOL(security_sock_rcv_skb);
1274
1275 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1276                                       int __user *optlen, unsigned len)
1277 {
1278         return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock,
1279                                 optval, optlen, len);
1280 }
1281
1282 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1283 {
1284         return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock,
1285                              skb, secid);
1286 }
1287 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1288
1289 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1290 {
1291         return call_int_hook(sk_alloc_security, 0, sk, family, priority);
1292 }
1293
1294 void security_sk_free(struct sock *sk)
1295 {
1296         call_void_hook(sk_free_security, sk);
1297 }
1298
1299 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1300 {
1301         call_void_hook(sk_clone_security, sk, newsk);
1302 }
1303 EXPORT_SYMBOL(security_sk_clone);
1304
1305 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1306 {
1307         call_void_hook(sk_getsecid, sk, &fl->flowi_secid);
1308 }
1309 EXPORT_SYMBOL(security_sk_classify_flow);
1310
1311 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1312 {
1313         call_void_hook(req_classify_flow, req, fl);
1314 }
1315 EXPORT_SYMBOL(security_req_classify_flow);
1316
1317 void security_sock_graft(struct sock *sk, struct socket *parent)
1318 {
1319         call_void_hook(sock_graft, sk, parent);
1320 }
1321 EXPORT_SYMBOL(security_sock_graft);
1322
1323 int security_inet_conn_request(struct sock *sk,
1324                         struct sk_buff *skb, struct request_sock *req)
1325 {
1326         return call_int_hook(inet_conn_request, 0, sk, skb, req);
1327 }
1328 EXPORT_SYMBOL(security_inet_conn_request);
1329
1330 void security_inet_csk_clone(struct sock *newsk,
1331                         const struct request_sock *req)
1332 {
1333         call_void_hook(inet_csk_clone, newsk, req);
1334 }
1335
1336 void security_inet_conn_established(struct sock *sk,
1337                         struct sk_buff *skb)
1338 {
1339         call_void_hook(inet_conn_established, sk, skb);
1340 }
1341
1342 int security_secmark_relabel_packet(u32 secid)
1343 {
1344         return call_int_hook(secmark_relabel_packet, 0, secid);
1345 }
1346 EXPORT_SYMBOL(security_secmark_relabel_packet);
1347
1348 void security_secmark_refcount_inc(void)
1349 {
1350         call_void_hook(secmark_refcount_inc);
1351 }
1352 EXPORT_SYMBOL(security_secmark_refcount_inc);
1353
1354 void security_secmark_refcount_dec(void)
1355 {
1356         call_void_hook(secmark_refcount_dec);
1357 }
1358 EXPORT_SYMBOL(security_secmark_refcount_dec);
1359
1360 int security_tun_dev_alloc_security(void **security)
1361 {
1362         return call_int_hook(tun_dev_alloc_security, 0, security);
1363 }
1364 EXPORT_SYMBOL(security_tun_dev_alloc_security);
1365
1366 void security_tun_dev_free_security(void *security)
1367 {
1368         call_void_hook(tun_dev_free_security, security);
1369 }
1370 EXPORT_SYMBOL(security_tun_dev_free_security);
1371
1372 int security_tun_dev_create(void)
1373 {
1374         return call_int_hook(tun_dev_create, 0);
1375 }
1376 EXPORT_SYMBOL(security_tun_dev_create);
1377
1378 int security_tun_dev_attach_queue(void *security)
1379 {
1380         return call_int_hook(tun_dev_attach_queue, 0, security);
1381 }
1382 EXPORT_SYMBOL(security_tun_dev_attach_queue);
1383
1384 int security_tun_dev_attach(struct sock *sk, void *security)
1385 {
1386         return call_int_hook(tun_dev_attach, 0, sk, security);
1387 }
1388 EXPORT_SYMBOL(security_tun_dev_attach);
1389
1390 int security_tun_dev_open(void *security)
1391 {
1392         return call_int_hook(tun_dev_open, 0, security);
1393 }
1394 EXPORT_SYMBOL(security_tun_dev_open);
1395
1396 #endif  /* CONFIG_SECURITY_NETWORK */
1397
1398 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1399
1400 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1401                                struct xfrm_user_sec_ctx *sec_ctx,
1402                                gfp_t gfp)
1403 {
1404         return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
1405 }
1406 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1407
1408 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1409                               struct xfrm_sec_ctx **new_ctxp)
1410 {
1411         return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
1412 }
1413
1414 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1415 {
1416         call_void_hook(xfrm_policy_free_security, ctx);
1417 }
1418 EXPORT_SYMBOL(security_xfrm_policy_free);
1419
1420 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1421 {
1422         return call_int_hook(xfrm_policy_delete_security, 0, ctx);
1423 }
1424
1425 int security_xfrm_state_alloc(struct xfrm_state *x,
1426                               struct xfrm_user_sec_ctx *sec_ctx)
1427 {
1428         return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
1429 }
1430 EXPORT_SYMBOL(security_xfrm_state_alloc);
1431
1432 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1433                                       struct xfrm_sec_ctx *polsec, u32 secid)
1434 {
1435         return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
1436 }
1437
1438 int security_xfrm_state_delete(struct xfrm_state *x)
1439 {
1440         return call_int_hook(xfrm_state_delete_security, 0, x);
1441 }
1442 EXPORT_SYMBOL(security_xfrm_state_delete);
1443
1444 void security_xfrm_state_free(struct xfrm_state *x)
1445 {
1446         call_void_hook(xfrm_state_free_security, x);
1447 }
1448
1449 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1450 {
1451         return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
1452 }
1453
1454 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1455                                        struct xfrm_policy *xp,
1456                                        const struct flowi *fl)
1457 {
1458         struct security_hook_list *hp;
1459         int rc = 1;
1460
1461         /*
1462          * Since this function is expected to return 0 or 1, the judgment
1463          * becomes difficult if multiple LSMs supply this call. Fortunately,
1464          * we can use the first LSM's judgment because currently only SELinux
1465          * supplies this call.
1466          *
1467          * For speed optimization, we explicitly break the loop rather than
1468          * using the macro
1469          */
1470         list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match,
1471                                 list) {
1472                 rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl);
1473                 break;
1474         }
1475         return rc;
1476 }
1477
1478 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1479 {
1480         return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
1481 }
1482
1483 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1484 {
1485         int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid,
1486                                 0);
1487
1488         BUG_ON(rc);
1489 }
1490 EXPORT_SYMBOL(security_skb_classify_flow);
1491
1492 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1493
1494 #ifdef CONFIG_KEYS
1495
1496 int security_key_alloc(struct key *key, const struct cred *cred,
1497                        unsigned long flags)
1498 {
1499         return call_int_hook(key_alloc, 0, key, cred, flags);
1500 }
1501
1502 void security_key_free(struct key *key)
1503 {
1504         call_void_hook(key_free, key);
1505 }
1506
1507 int security_key_permission(key_ref_t key_ref,
1508                             const struct cred *cred, unsigned perm)
1509 {
1510         return call_int_hook(key_permission, 0, key_ref, cred, perm);
1511 }
1512
1513 int security_key_getsecurity(struct key *key, char **_buffer)
1514 {
1515         *_buffer = NULL;
1516         return call_int_hook(key_getsecurity, 0, key, _buffer);
1517 }
1518
1519 #endif  /* CONFIG_KEYS */
1520
1521 #ifdef CONFIG_AUDIT
1522
1523 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1524 {
1525         return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
1526 }
1527
1528 int security_audit_rule_known(struct audit_krule *krule)
1529 {
1530         return call_int_hook(audit_rule_known, 0, krule);
1531 }
1532
1533 void security_audit_rule_free(void *lsmrule)
1534 {
1535         call_void_hook(audit_rule_free, lsmrule);
1536 }
1537
1538 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1539                               struct audit_context *actx)
1540 {
1541         return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule,
1542                                 actx);
1543 }
1544 #endif /* CONFIG_AUDIT */
1545
1546 struct security_hook_heads security_hook_heads = {
1547         .binder_set_context_mgr =
1548                 LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr),
1549         .binder_transaction =
1550                 LIST_HEAD_INIT(security_hook_heads.binder_transaction),
1551         .binder_transfer_binder =
1552                 LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder),
1553         .binder_transfer_file =
1554                 LIST_HEAD_INIT(security_hook_heads.binder_transfer_file),
1555
1556         .ptrace_access_check =
1557                 LIST_HEAD_INIT(security_hook_heads.ptrace_access_check),
1558         .ptrace_traceme =
1559                 LIST_HEAD_INIT(security_hook_heads.ptrace_traceme),
1560         .capget =       LIST_HEAD_INIT(security_hook_heads.capget),
1561         .capset =       LIST_HEAD_INIT(security_hook_heads.capset),
1562         .capable =      LIST_HEAD_INIT(security_hook_heads.capable),
1563         .quotactl =     LIST_HEAD_INIT(security_hook_heads.quotactl),
1564         .quota_on =     LIST_HEAD_INIT(security_hook_heads.quota_on),
1565         .syslog =       LIST_HEAD_INIT(security_hook_heads.syslog),
1566         .settime =      LIST_HEAD_INIT(security_hook_heads.settime),
1567         .vm_enough_memory =
1568                 LIST_HEAD_INIT(security_hook_heads.vm_enough_memory),
1569         .bprm_set_creds =
1570                 LIST_HEAD_INIT(security_hook_heads.bprm_set_creds),
1571         .bprm_check_security =
1572                 LIST_HEAD_INIT(security_hook_heads.bprm_check_security),
1573         .bprm_secureexec =
1574                 LIST_HEAD_INIT(security_hook_heads.bprm_secureexec),
1575         .bprm_committing_creds =
1576                 LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds),
1577         .bprm_committed_creds =
1578                 LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds),
1579         .sb_alloc_security =
1580                 LIST_HEAD_INIT(security_hook_heads.sb_alloc_security),
1581         .sb_free_security =
1582                 LIST_HEAD_INIT(security_hook_heads.sb_free_security),
1583         .sb_copy_data = LIST_HEAD_INIT(security_hook_heads.sb_copy_data),
1584         .sb_remount =   LIST_HEAD_INIT(security_hook_heads.sb_remount),
1585         .sb_kern_mount =
1586                 LIST_HEAD_INIT(security_hook_heads.sb_kern_mount),
1587         .sb_show_options =
1588                 LIST_HEAD_INIT(security_hook_heads.sb_show_options),
1589         .sb_statfs =    LIST_HEAD_INIT(security_hook_heads.sb_statfs),
1590         .sb_mount =     LIST_HEAD_INIT(security_hook_heads.sb_mount),
1591         .sb_umount =    LIST_HEAD_INIT(security_hook_heads.sb_umount),
1592         .sb_pivotroot = LIST_HEAD_INIT(security_hook_heads.sb_pivotroot),
1593         .sb_set_mnt_opts =
1594                 LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts),
1595         .sb_clone_mnt_opts =
1596                 LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts),
1597         .sb_parse_opts_str =
1598                 LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str),
1599         .dentry_init_security =
1600                 LIST_HEAD_INIT(security_hook_heads.dentry_init_security),
1601 #ifdef CONFIG_SECURITY_PATH
1602         .path_unlink =  LIST_HEAD_INIT(security_hook_heads.path_unlink),
1603         .path_mkdir =   LIST_HEAD_INIT(security_hook_heads.path_mkdir),
1604         .path_rmdir =   LIST_HEAD_INIT(security_hook_heads.path_rmdir),
1605         .path_mknod =   LIST_HEAD_INIT(security_hook_heads.path_mknod),
1606         .path_truncate =
1607                 LIST_HEAD_INIT(security_hook_heads.path_truncate),
1608         .path_symlink = LIST_HEAD_INIT(security_hook_heads.path_symlink),
1609         .path_link =    LIST_HEAD_INIT(security_hook_heads.path_link),
1610         .path_rename =  LIST_HEAD_INIT(security_hook_heads.path_rename),
1611         .path_chmod =   LIST_HEAD_INIT(security_hook_heads.path_chmod),
1612         .path_chown =   LIST_HEAD_INIT(security_hook_heads.path_chown),
1613         .path_chroot =  LIST_HEAD_INIT(security_hook_heads.path_chroot),
1614 #endif
1615         .inode_alloc_security =
1616                 LIST_HEAD_INIT(security_hook_heads.inode_alloc_security),
1617         .inode_free_security =
1618                 LIST_HEAD_INIT(security_hook_heads.inode_free_security),
1619         .inode_init_security =
1620                 LIST_HEAD_INIT(security_hook_heads.inode_init_security),
1621         .inode_create = LIST_HEAD_INIT(security_hook_heads.inode_create),
1622         .inode_link =   LIST_HEAD_INIT(security_hook_heads.inode_link),
1623         .inode_unlink = LIST_HEAD_INIT(security_hook_heads.inode_unlink),
1624         .inode_symlink =
1625                 LIST_HEAD_INIT(security_hook_heads.inode_symlink),
1626         .inode_mkdir =  LIST_HEAD_INIT(security_hook_heads.inode_mkdir),
1627         .inode_rmdir =  LIST_HEAD_INIT(security_hook_heads.inode_rmdir),
1628         .inode_mknod =  LIST_HEAD_INIT(security_hook_heads.inode_mknod),
1629         .inode_rename = LIST_HEAD_INIT(security_hook_heads.inode_rename),
1630         .inode_readlink =
1631                 LIST_HEAD_INIT(security_hook_heads.inode_readlink),
1632         .inode_follow_link =
1633                 LIST_HEAD_INIT(security_hook_heads.inode_follow_link),
1634         .inode_permission =
1635                 LIST_HEAD_INIT(security_hook_heads.inode_permission),
1636         .inode_setattr =
1637                 LIST_HEAD_INIT(security_hook_heads.inode_setattr),
1638         .inode_getattr =
1639                 LIST_HEAD_INIT(security_hook_heads.inode_getattr),
1640         .inode_setxattr =
1641                 LIST_HEAD_INIT(security_hook_heads.inode_setxattr),
1642         .inode_post_setxattr =
1643                 LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr),
1644         .inode_getxattr =
1645                 LIST_HEAD_INIT(security_hook_heads.inode_getxattr),
1646         .inode_listxattr =
1647                 LIST_HEAD_INIT(security_hook_heads.inode_listxattr),
1648         .inode_removexattr =
1649                 LIST_HEAD_INIT(security_hook_heads.inode_removexattr),
1650         .inode_need_killpriv =
1651                 LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv),
1652         .inode_killpriv =
1653                 LIST_HEAD_INIT(security_hook_heads.inode_killpriv),
1654         .inode_getsecurity =
1655                 LIST_HEAD_INIT(security_hook_heads.inode_getsecurity),
1656         .inode_setsecurity =
1657                 LIST_HEAD_INIT(security_hook_heads.inode_setsecurity),
1658         .inode_listsecurity =
1659                 LIST_HEAD_INIT(security_hook_heads.inode_listsecurity),
1660         .inode_getsecid =
1661                 LIST_HEAD_INIT(security_hook_heads.inode_getsecid),
1662         .file_permission =
1663                 LIST_HEAD_INIT(security_hook_heads.file_permission),
1664         .file_alloc_security =
1665                 LIST_HEAD_INIT(security_hook_heads.file_alloc_security),
1666         .file_free_security =
1667                 LIST_HEAD_INIT(security_hook_heads.file_free_security),
1668         .file_ioctl =   LIST_HEAD_INIT(security_hook_heads.file_ioctl),
1669         .mmap_addr =    LIST_HEAD_INIT(security_hook_heads.mmap_addr),
1670         .mmap_file =    LIST_HEAD_INIT(security_hook_heads.mmap_file),
1671         .file_mprotect =
1672                 LIST_HEAD_INIT(security_hook_heads.file_mprotect),
1673         .file_lock =    LIST_HEAD_INIT(security_hook_heads.file_lock),
1674         .file_fcntl =   LIST_HEAD_INIT(security_hook_heads.file_fcntl),
1675         .file_set_fowner =
1676                 LIST_HEAD_INIT(security_hook_heads.file_set_fowner),
1677         .file_send_sigiotask =
1678                 LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask),
1679         .file_receive = LIST_HEAD_INIT(security_hook_heads.file_receive),
1680         .file_open =    LIST_HEAD_INIT(security_hook_heads.file_open),
1681         .task_create =  LIST_HEAD_INIT(security_hook_heads.task_create),
1682         .task_free =    LIST_HEAD_INIT(security_hook_heads.task_free),
1683         .cred_alloc_blank =
1684                 LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank),
1685         .cred_free =    LIST_HEAD_INIT(security_hook_heads.cred_free),
1686         .cred_prepare = LIST_HEAD_INIT(security_hook_heads.cred_prepare),
1687         .cred_transfer =
1688                 LIST_HEAD_INIT(security_hook_heads.cred_transfer),
1689         .kernel_act_as =
1690                 LIST_HEAD_INIT(security_hook_heads.kernel_act_as),
1691         .kernel_create_files_as =
1692                 LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as),
1693         .kernel_fw_from_file =
1694                 LIST_HEAD_INIT(security_hook_heads.kernel_fw_from_file),
1695         .kernel_module_request =
1696                 LIST_HEAD_INIT(security_hook_heads.kernel_module_request),
1697         .kernel_module_from_file =
1698                 LIST_HEAD_INIT(security_hook_heads.kernel_module_from_file),
1699         .task_fix_setuid =
1700                 LIST_HEAD_INIT(security_hook_heads.task_fix_setuid),
1701         .task_setpgid = LIST_HEAD_INIT(security_hook_heads.task_setpgid),
1702         .task_getpgid = LIST_HEAD_INIT(security_hook_heads.task_getpgid),
1703         .task_getsid =  LIST_HEAD_INIT(security_hook_heads.task_getsid),
1704         .task_getsecid =
1705                 LIST_HEAD_INIT(security_hook_heads.task_getsecid),
1706         .task_setnice = LIST_HEAD_INIT(security_hook_heads.task_setnice),
1707         .task_setioprio =
1708                 LIST_HEAD_INIT(security_hook_heads.task_setioprio),
1709         .task_getioprio =
1710                 LIST_HEAD_INIT(security_hook_heads.task_getioprio),
1711         .task_setrlimit =
1712                 LIST_HEAD_INIT(security_hook_heads.task_setrlimit),
1713         .task_setscheduler =
1714                 LIST_HEAD_INIT(security_hook_heads.task_setscheduler),
1715         .task_getscheduler =
1716                 LIST_HEAD_INIT(security_hook_heads.task_getscheduler),
1717         .task_movememory =
1718                 LIST_HEAD_INIT(security_hook_heads.task_movememory),
1719         .task_kill =    LIST_HEAD_INIT(security_hook_heads.task_kill),
1720         .task_wait =    LIST_HEAD_INIT(security_hook_heads.task_wait),
1721         .task_prctl =   LIST_HEAD_INIT(security_hook_heads.task_prctl),
1722         .task_to_inode =
1723                 LIST_HEAD_INIT(security_hook_heads.task_to_inode),
1724         .ipc_permission =
1725                 LIST_HEAD_INIT(security_hook_heads.ipc_permission),
1726         .ipc_getsecid = LIST_HEAD_INIT(security_hook_heads.ipc_getsecid),
1727         .msg_msg_alloc_security =
1728                 LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security),
1729         .msg_msg_free_security =
1730                 LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security),
1731         .msg_queue_alloc_security =
1732                 LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security),
1733         .msg_queue_free_security =
1734                 LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security),
1735         .msg_queue_associate =
1736                 LIST_HEAD_INIT(security_hook_heads.msg_queue_associate),
1737         .msg_queue_msgctl =
1738                 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl),
1739         .msg_queue_msgsnd =
1740                 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd),
1741         .msg_queue_msgrcv =
1742                 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv),
1743         .shm_alloc_security =
1744                 LIST_HEAD_INIT(security_hook_heads.shm_alloc_security),
1745         .shm_free_security =
1746                 LIST_HEAD_INIT(security_hook_heads.shm_free_security),
1747         .shm_associate =
1748                 LIST_HEAD_INIT(security_hook_heads.shm_associate),
1749         .shm_shmctl =   LIST_HEAD_INIT(security_hook_heads.shm_shmctl),
1750         .shm_shmat =    LIST_HEAD_INIT(security_hook_heads.shm_shmat),
1751         .sem_alloc_security =
1752                 LIST_HEAD_INIT(security_hook_heads.sem_alloc_security),
1753         .sem_free_security =
1754                 LIST_HEAD_INIT(security_hook_heads.sem_free_security),
1755         .sem_associate =
1756                 LIST_HEAD_INIT(security_hook_heads.sem_associate),
1757         .sem_semctl =   LIST_HEAD_INIT(security_hook_heads.sem_semctl),
1758         .sem_semop =    LIST_HEAD_INIT(security_hook_heads.sem_semop),
1759         .netlink_send = LIST_HEAD_INIT(security_hook_heads.netlink_send),
1760         .d_instantiate =
1761                 LIST_HEAD_INIT(security_hook_heads.d_instantiate),
1762         .getprocattr =  LIST_HEAD_INIT(security_hook_heads.getprocattr),
1763         .setprocattr =  LIST_HEAD_INIT(security_hook_heads.setprocattr),
1764         .ismaclabel =   LIST_HEAD_INIT(security_hook_heads.ismaclabel),
1765         .secid_to_secctx =
1766                 LIST_HEAD_INIT(security_hook_heads.secid_to_secctx),
1767         .secctx_to_secid =
1768                 LIST_HEAD_INIT(security_hook_heads.secctx_to_secid),
1769         .release_secctx =
1770                 LIST_HEAD_INIT(security_hook_heads.release_secctx),
1771         .inode_notifysecctx =
1772                 LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx),
1773         .inode_setsecctx =
1774                 LIST_HEAD_INIT(security_hook_heads.inode_setsecctx),
1775         .inode_getsecctx =
1776                 LIST_HEAD_INIT(security_hook_heads.inode_getsecctx),
1777 #ifdef CONFIG_SECURITY_NETWORK
1778         .unix_stream_connect =
1779                 LIST_HEAD_INIT(security_hook_heads.unix_stream_connect),
1780         .unix_may_send =
1781                 LIST_HEAD_INIT(security_hook_heads.unix_may_send),
1782         .socket_create =
1783                 LIST_HEAD_INIT(security_hook_heads.socket_create),
1784         .socket_post_create =
1785                 LIST_HEAD_INIT(security_hook_heads.socket_post_create),
1786         .socket_bind =  LIST_HEAD_INIT(security_hook_heads.socket_bind),
1787         .socket_connect =
1788                 LIST_HEAD_INIT(security_hook_heads.socket_connect),
1789         .socket_listen =
1790                 LIST_HEAD_INIT(security_hook_heads.socket_listen),
1791         .socket_accept =
1792                 LIST_HEAD_INIT(security_hook_heads.socket_accept),
1793         .socket_sendmsg =
1794                 LIST_HEAD_INIT(security_hook_heads.socket_sendmsg),
1795         .socket_recvmsg =
1796                 LIST_HEAD_INIT(security_hook_heads.socket_recvmsg),
1797         .socket_getsockname =
1798                 LIST_HEAD_INIT(security_hook_heads.socket_getsockname),
1799         .socket_getpeername =
1800                 LIST_HEAD_INIT(security_hook_heads.socket_getpeername),
1801         .socket_getsockopt =
1802                 LIST_HEAD_INIT(security_hook_heads.socket_getsockopt),
1803         .socket_setsockopt =
1804                 LIST_HEAD_INIT(security_hook_heads.socket_setsockopt),
1805         .socket_shutdown =
1806                 LIST_HEAD_INIT(security_hook_heads.socket_shutdown),
1807         .socket_sock_rcv_skb =
1808                 LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb),
1809         .socket_getpeersec_stream =
1810                 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream),
1811         .socket_getpeersec_dgram =
1812                 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram),
1813         .sk_alloc_security =
1814                 LIST_HEAD_INIT(security_hook_heads.sk_alloc_security),
1815         .sk_free_security =
1816                 LIST_HEAD_INIT(security_hook_heads.sk_free_security),
1817         .sk_clone_security =
1818                 LIST_HEAD_INIT(security_hook_heads.sk_clone_security),
1819         .sk_getsecid =  LIST_HEAD_INIT(security_hook_heads.sk_getsecid),
1820         .sock_graft =   LIST_HEAD_INIT(security_hook_heads.sock_graft),
1821         .inet_conn_request =
1822                 LIST_HEAD_INIT(security_hook_heads.inet_conn_request),
1823         .inet_csk_clone =
1824                 LIST_HEAD_INIT(security_hook_heads.inet_csk_clone),
1825         .inet_conn_established =
1826                 LIST_HEAD_INIT(security_hook_heads.inet_conn_established),
1827         .secmark_relabel_packet =
1828                 LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet),
1829         .secmark_refcount_inc =
1830                 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc),
1831         .secmark_refcount_dec =
1832                 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec),
1833         .req_classify_flow =
1834                 LIST_HEAD_INIT(security_hook_heads.req_classify_flow),
1835         .tun_dev_alloc_security =
1836                 LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security),
1837         .tun_dev_free_security =
1838                 LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security),
1839         .tun_dev_create =
1840                 LIST_HEAD_INIT(security_hook_heads.tun_dev_create),
1841         .tun_dev_attach_queue =
1842                 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue),
1843         .tun_dev_attach =
1844                 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach),
1845         .tun_dev_open = LIST_HEAD_INIT(security_hook_heads.tun_dev_open),
1846         .skb_owned_by = LIST_HEAD_INIT(security_hook_heads.skb_owned_by),
1847 #endif  /* CONFIG_SECURITY_NETWORK */
1848 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1849         .xfrm_policy_alloc_security =
1850                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security),
1851         .xfrm_policy_clone_security =
1852                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security),
1853         .xfrm_policy_free_security =
1854                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security),
1855         .xfrm_policy_delete_security =
1856                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security),
1857         .xfrm_state_alloc =
1858                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc),
1859         .xfrm_state_alloc_acquire =
1860                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire),
1861         .xfrm_state_free_security =
1862                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security),
1863         .xfrm_state_delete_security =
1864                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security),
1865         .xfrm_policy_lookup =
1866                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup),
1867         .xfrm_state_pol_flow_match =
1868                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match),
1869         .xfrm_decode_session =
1870                 LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session),
1871 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1872 #ifdef CONFIG_KEYS
1873         .key_alloc =    LIST_HEAD_INIT(security_hook_heads.key_alloc),
1874         .key_free =     LIST_HEAD_INIT(security_hook_heads.key_free),
1875         .key_permission =
1876                 LIST_HEAD_INIT(security_hook_heads.key_permission),
1877         .key_getsecurity =
1878                 LIST_HEAD_INIT(security_hook_heads.key_getsecurity),
1879 #endif  /* CONFIG_KEYS */
1880 #ifdef CONFIG_AUDIT
1881         .audit_rule_init =
1882                 LIST_HEAD_INIT(security_hook_heads.audit_rule_init),
1883         .audit_rule_known =
1884                 LIST_HEAD_INIT(security_hook_heads.audit_rule_known),
1885         .audit_rule_match =
1886                 LIST_HEAD_INIT(security_hook_heads.audit_rule_match),
1887         .audit_rule_free =
1888                 LIST_HEAD_INIT(security_hook_heads.audit_rule_free),
1889 #endif /* CONFIG_AUDIT */
1890 };